阅读说明：本技术 一种便携式co2注入控制装置 (Portable CO2Injection control device ) 是由 孙致学 于 2021-07-23 设计创作，主要内容包括：本发明涉及一种便携式CO-(2)注入控制装置,包括管体、流量控制机构和注入机构；管体下端为下端开口的圆台形结构；流量控制机构设于管体内,流量控制机构包括第一防护框、第一电机、螺纹杆、螺纹块、连接板、圆板和第一支撑板,通过第一电机的转动,螺纹杆、螺纹块、连接板的传动,从而带动圆板的上下移动,实现二氧化碳注入速度的变化；注入机构包括固定板、气泵、气管和进气管,气泵通过气管将二氧化碳抽出,然后通过进气管排至管体内；本发明通过简单的装置使得可调控的对二氧化碳的进行注入。(The invention relates to a portable CO 2 The injection control device comprises a pipe body, a flow control mechanism and an injection mechanism; the lower end of the tube body is of a round table-shaped structure with an opening at the lower end; the flow control mechanism is arranged in the tube body and comprises a first protective frame, a first motor, a threaded rod, a threaded block, a connecting plate, a circular plate and a first supporting plate, and the threaded rod, the threaded block and the connecting plate are driven to move up and down through the rotation of the first motor so as to realize the change of the injection speed of the carbon dioxide; the injection mechanism comprises a fixed plate, an air pump, an air pipe and an air inlet pipe, wherein the air pump pumps out carbon dioxide through the air pipe and then discharges the carbon dioxide into the pipe body through the air inlet pipe; the invention can inject the carbon dioxide in an adjustable way through a simple device.)

1. Portable CO₂An injection control device, characterized by: comprises a pipe body (1), a flow control mechanism and an injection mechanism;

the part, close to the lower end, of the pipe body (1) is of a truncated cone-shaped structure, and the lower end of the truncated cone-shaped structure is provided with an opening;

the flow control mechanism is arranged in the pipe body (1) and comprises a first protective frame (26), a first motor (2), a threaded rod (3), a threaded block (4), a connecting plate (5), a circular plate (6) and a first supporting plate (7);

one side of the first protective frame (26) is fixedly connected with the pipe body (1);

a first motor (2) is fixedly arranged in the first protective frame (26);

the threaded rod (3) is vertically arranged, the upper end of the threaded rod (3) penetrates through the lower end of the first protection frame (26), and the upper end of the threaded rod (3) is rotatably connected with the first protection frame (26);

a first supporting plate (7) is arranged below the threaded rod (3), the threaded rod (3) is rotatably connected with the first supporting plate (7), and the first supporting plate (7) is fixedly connected with the pipe body (1);

the threaded block (4) is sleeved on the threaded rod (3), and the threaded block (4) is in threaded connection with the threaded rod (3);

a connecting plate (5) is fixedly arranged on one side of the thread block (4), and the connecting plate (5) is of an inverted L-shaped structure;

a circular plate (6) is arranged at the lower end of the connecting plate (5), the circular plate (6) is fixedly connected with the connecting plate (5), the circular plate (6) is arranged in the truncated cone-shaped structure of the pipe body (1), and the outer side surface of the circular plate (6) is in contact with the inner wall of the pipe body (1);

the injection mechanism comprises a fixing plate (39), an air pump (40), an air pipe (41) and an air inlet pipe (42);

the fixing plate (39) is arranged on the upper end face of the pipe body (1), and the fixing plate (39) is fixedly connected with the pipe body (1);

the air pump (40) is arranged on the upper end face of the fixing plate (39);

one end of the air pipe (41) is communicated with an air inlet of the air pump (40);

one end of the air inlet pipe (42) is communicated with an air outlet of the air pump (40), and the other end of the air pipe (41) penetrates through the fixing plate (39) and is communicated with the pipe body (1).

2. The portable CO of claim 1₂An injection control device, characterized by: still include diaphragm (8), all seted up on body (1) inner chamber both sides wall and erected the groove, connecting plate (5) external fixation is equipped with diaphragm (8), diaphragm (8) both sides extend into two respectively and erect the inslot, diaphragm (8) sliding connection about erecting inslot and body (1), plectane (6) top is located in diaphragm (8), and diaphragm (8) and plectane (6) parallel arrangement.

3. The portable CO of claim 1₂An injection control device, characterized by: the air pump also comprises two clamping structures with the same structure, and the two clamping devices are symmetrically arranged on two sides of the air pump (40);

each clamping structure comprises a fixed block (43), a clamping block (44), a clamping block (45), a clamping rod (46), a spring (47) and a knob (48);

the fixing blocks (43) are arranged at the edge positions of the left side and the right side above the fixing plate (39), and the fixing blocks (43) are fixedly connected with the fixing plate (39);

the clamping block (44) is arranged between the fixed block (43) and the air pump (40), and the clamping block (44) is connected with the fixed plate (39) in a left-right sliding manner;

one end of the clamping rod (46) penetrates through the fixing block (43), the clamping rod (46) is in threaded connection with the fixing block (43), the clamping rod (46) is perpendicular to the fixing block (43), one end of the clamping rod (46) is rotatably connected with the clamping block (44), and the other end of the clamping rod (46) is fixedly connected with the knob (48);

the spring (47) is sleeved on the clamping rod (46), and the spring (47) is positioned between the fixing block (43) and the clamping block (44);

the clamping block (45) is arranged between the clamping block (44) and the air pump (40), the clamping block (45) is fixedly connected with the clamping block (44), clamping grooves are formed in the left side and the right side of the air pump (40), and the clamping grooves are matched with the clamping block (45).

4. The portable CO of claim 1₂An injection control device, characterized by: the device also comprises a detection structure which is arranged inside the tube body (1);

the detection structure comprises a box body (9), a bottom plate (13), a second protective frame (33), an auxiliary frame (31), a second motor (14), a rotating rod (15), a first bevel gear (36), a second bevel gear (23), a second reciprocating screw rod (22), a second bearing seat (24), a long plate (37), an expansion rod (38) and a camera body (25);

the box body (9) is fixedly connected with the inner side wall of the pipe body (1);

the bottom plate (13) is fixedly arranged in the box body (9), and the bottom plate (13) is arranged in parallel with the bottom surface in the box body (9);

the second protective frame (33) is fixedly arranged on the upper side surface of the bottom plate (13);

the auxiliary frame (31) is fixedly arranged on the upper side face of the second protective frame (33), and the auxiliary frame (31) is fixed with the side face of the box body (9);

the second motor (14) is arranged in the second protective frame (33), a shell of the second motor (14) is fixedly connected with the auxiliary frame (31), and an output shaft of the second motor (14) is fixedly connected with the rotating rod (15);

the rotating rod (15) is vertically arranged, the lower end of the rotating rod (15) penetrates through the upper end of the second protective frame (33) and the lower end of the auxiliary frame (31), the upper end of the rotating rod (15) penetrates through the upper end of the auxiliary frame (31), and the rotating rod (15) is rotatably connected with the second protective frame (33) and the auxiliary frame (31) respectively;

the first bevel gear (36) and the second bevel gear (23) are arranged in the auxiliary frame (31), the first bevel gear (36) is fixedly arranged on the rotating rod (15), and the first bevel gear (36) is meshed with the second bevel gear (23);

the second reciprocating screw rod (22) is arranged on the left and right, the left end of the second reciprocating screw rod (22) penetrates through the auxiliary frame (31), the second reciprocating screw rod (22) is rotatably connected with the auxiliary frame (31), the left end of the second reciprocating screw rod (22) is connected with the second bevel gear (23) through a one-way bearing, and the right end of the second reciprocating screw rod (22) is rotatably connected with the inner side surface of the pipe body (1);

the second bearing seat (24) is sleeved on the second reciprocating screw rod (22), and the second bearing seat (24) is connected with the second reciprocating screw rod (22) through a ball nut pair;

a long plate (37) is fixedly arranged at the bottom of the second bearing block (24), an auxiliary groove is formed in the bottom plate (13), the long plate (37) extends into the auxiliary groove, a sliding groove is formed in the bottom of the inner side of the box body (9), the bottom of the long plate (37) extends into the sliding groove, and the long plate (37) is connected with the box body (9) in a left-right sliding mode;

the telescopic rod (38) is arranged on the left and right, the left end of the telescopic rod (38) is fixedly connected with the box body (9), the right end of the telescopic rod (38) is fixedly connected with the camera body (25), a camera shooting hole is formed in the pipe body (1) at the right end of the camera body (25), the camera shooting hole is matched with the camera body (25), and the camera body (25) is in sliding connection with the pipe body (1);

the long plate (37) penetrates through the right end of the telescopic rod (38) and is fixedly connected with the telescopic rod (38).

5. As claimed in claim 4The portable CO₂An injection control device, characterized by: the device also comprises a protection structure positioned on the outer side of the pipe body (1);

the protection structure comprises two limiting rods (11) and a baffle (10);

the upper end and the lower end of each limiting rod (11) are fixedly connected with the outer side wall of the pipe body (1), and the two limiting rods (11) are arranged on two sides of the camera hole in parallel in the vertical direction;

the two limiting rods (11) penetrate through the upper side and the lower side of the baffle (10), and the two limiting rods (11) are respectively connected with the baffle (10) in a sliding mode.

6. A portable CO as claimed in claim 5₂An injection control device, characterized by: the device also comprises a transmission structure;

the transmission structure comprises a first reciprocating screw rod (16), a first bearing seat (17), a connecting plate (28), a first moving plate (29), an L-shaped limiting plate (32), a first rack plate (18), a round rod (35), a gear (21), a second rack (34), a second rack plate (20), an L-shaped moving plate (19) and a strip-shaped plate (12);

the lower end of the first reciprocating screw rod (16) is connected with the rotating rod (15) through a one-way bearing, and the upper end of the first reciprocating screw rod (16) is rotatably connected with the box body (9);

a first bearing seat (17) is sleeved outside the first reciprocating screw rod (16), and the first bearing seat (17) is connected with the first reciprocating screw rod (16) through a ball nut pair;

a connecting plate (28) is fixedly arranged on the right side of the first bearing seat (17);

a first moving plate (29) is fixedly arranged on the right side of the connecting plate (28);

a first rack plate (18) is fixedly arranged on the right side of the first moving plate (29);

a first rack (30) is fixedly arranged on the right side of the first rack plate (18);

the right side of the auxiliary frame (31) is fixedly connected with the left end of the horizontal part of the L-shaped limiting plate (32), the L-shaped limiting plate (32) penetrates through the first moving plate (29) and is connected with the first moving plate (29) in a vertically sliding mode, and the top end of the vertical part of the L-shaped limiting plate (32) is fixedly connected with the top of the box body (9);

the second rack (34) is arranged in parallel with the first rack (30);

the right side of the second rack (34) is fixedly connected with the second rack plate (20);

a vertical moving groove is formed in the right side wall in the pipe body (1), the right end of the horizontal part of the L-shaped movable plate (19) extends into the moving groove, the L-shaped movable plate (19) is connected with the pipe body (1) in a vertical sliding mode, and the right side of the second rack plate (20) is fixedly connected with the L-shaped movable plate (19);

the right side of the L-shaped movable plate (19) is fixedly connected with the left end of the strip-shaped plate (12);

the strip-shaped plate (12) is transversely arranged, a vertical movable groove is formed in the pipe body (1), the strip-shaped plate (12) penetrates through the movable groove, the strip-shaped plate (12) is connected with the pipe body (1) in a vertical sliding mode, and the right end of the strip-shaped plate (12) is fixedly connected with the left side of the baffle (10);

the round rod (35) is arranged in the front and back, the round rod (35) is arranged between the first rack (30) and the second rack (34), and the front side and the back side of the round rod (35) are respectively rotatably connected with the box body (9);

the gear (21) is arranged on the round rod (35), the gear (21) is fixedly connected with the round rod (35), and the first rack (30) and the second rack (34) are respectively meshed with the gear (21).

7. A portable CO as claimed in claim 6₂An injection control device, characterized by: still include riser (27), in riser (27) are vertical locates the activity inslot, just riser (27) run through in strip shaped plate (12), sliding connection about riser (27) and strip shaped plate (12), both ends respectively with body (1) fixed connection about riser (27).

Technical Field

The invention relates to CO₂The technical field of injection, in particular to portable CO₂Injection control device

Background

Carbon dioxide is a carbon oxide, is a common compound in air, is colorless, tasteless, non-combustion-supporting and non-combustible at normal pressure. Slightly soluble in water to form carbonic acid, which is a weak acid, carbon dioxide can be generally prepared by high-temperature calcination of limestone or by reaction of limestone with dilute hydrochloric acid, and is mainly used for refrigeration of perishable foods (solid state), as a refrigerant (liquid state), for production of carbonated soft drinks (gas state), as a solvent for homogeneous reaction (supercritical state), etc., and studies have shown that: low concentrations of carbon dioxide are not toxic and high concentrations of carbon dioxide can poison animals.

The carbon dioxide flooding technology is a technology for injecting carbon dioxide into an oil layer to improve the oil recovery rate of an oil field; the carbon dioxide does not form a miscible front when it first contacts the formation crude oil, but under the appropriate conditions of pressure, temperature and crude oil composition, the carbon dioxide can form a miscible front. The supercritical fluid will extract heavier hydrocarbons from the crude oil and continually condense the gas displacing the front.

The general structure of current carbon dioxide's injection device is comparatively complicated, and it is comparatively inconvenient to use, and when needs are injected into the complex environment that needs extend into inside such as ground simultaneously, the user hardly in time observes the inside circumstances of infusing to can't adjust and control injection volume and injection speed according to actual conditions well, thereby influence the injection quality.

Disclosure of Invention

Aiming at the problems in the prior art, the technical problems to be solved by the invention are as follows: the existing carbon dioxide injection device is generally complex in structure, and the injection speed of the carbon dioxide is not easy to control during injection.

In order to solve the technical problems, the invention adopts the following technical scheme: portable CO₂The injection control device comprises a pipe body, a flow control mechanism and an injection mechanism; the part of the pipe body close to the lower end is of a circular truncated cone-shaped structure, and the lower end of the circular truncated cone-shaped structure is provided with an opening.

The flow control mechanism is arranged in the pipe body and comprises a first protective frame, a first motor, a threaded rod, a threaded block, a connecting plate, a circular plate and a first supporting plate; one side of the first protective frame is fixedly connected with the pipe body; a first motor is fixedly arranged in the first protection frame; the threaded rod is vertically arranged, the upper end of the threaded rod penetrates through the lower end of the first protection frame, and the upper end of the threaded rod is rotatably connected with the first protection frame; a first supporting plate is arranged below the threaded rod, the threaded rod is rotatably connected with the first supporting plate, and the first supporting plate is fixedly connected with the pipe body; the thread block is sleeved on the threaded rod and is in threaded connection with the threaded rod; a connecting plate is fixedly arranged on one side of the thread block, and the connecting plate is of an inverted L-shaped structure; the lower end of the connecting plate is provided with a circular plate, the circular plate is fixedly connected with the connecting plate, the circular plate is arranged in the circular truncated cone-shaped structure of the pipe body, and the outer side surface of the circular plate is in contact with the inner wall of the pipe body;

the injection mechanism comprises a fixing plate, an air pump, an air pipe and an air inlet pipe; the fixed plate is arranged on the upper end surface of the pipe body and is fixedly connected with the pipe body; the air pump is arranged on the upper end surface of the fixing plate; one end of the air pipe is communicated with an air inlet of the air pump; one end of the air inlet pipe is communicated with an air outlet of the air pump, and the other end of the air pipe is communicated with the pipe body;

according to the invention, carbon dioxide is pumped out by the air pump through the air pipe and then discharged into the pipe body through the air inlet pipe, so that the action of the first motor is controlled, the first motor drives the threaded rod fixedly connected with the output shaft of the first motor to rotate, the threaded rod drives the threaded block fixedly connected with the threaded rod to move up and down, the threaded block further drives the connecting plate fixedly connected with the threaded block to move up and down, and the connecting plate drives the circular plate fixedly connected with the connecting plate to move up and down; when the circular plate moves upwards, the injection speed is improved, and when the circular plate moves downwards, the gap between the circular plate and the bottom of the inner cavity of the tube body is reduced, so that the injection speed is reduced.

Preferably, the connecting plate further comprises a transverse plate, vertical grooves are formed in two side walls of the inner cavity of the tube body, the transverse plate is fixedly arranged outside the connecting plate, two sides of the transverse plate extend into the two vertical grooves respectively, the transverse plate is connected with the tube body in the vertical grooves in a vertical mode, the transverse plate is arranged above the circular plate, and the transverse plate and the circular plate are arranged in parallel. The diaphragm can further provide spacingly for the connecting plate, has effectually prevented to lead to the connecting plate to rock about because of the connecting plate overlength, leads to the plectane to rock about, the space grow between plectane and the body inner chamber bottom.

Preferably, the air pump further comprises two clamping structures with the same structure, and the two clamping devices are symmetrically arranged on two sides of the air pump; each clamping structure comprises a fixed block, a clamping rod, a spring and a knob; the fixed block is arranged at the edge position above the fixed plate and is fixedly connected with the fixed plate; the clamping block is arranged between the fixed block and the air pump and is connected with the fixed plate in a left-right sliding manner; one end of the clamping rod penetrates through the fixed block, the clamping rod is in threaded connection with the fixed block and is perpendicular to the fixed block, one end of the clamping rod is rotatably connected with the clamping block, and the other end of the clamping rod is fixedly connected with the knob; the spring is sleeved on the clamping rod and is positioned between the fixed block and the clamping block; the fixture block is arranged between the clamping block and the air pump, the fixture block is fixedly connected with the clamping block, clamping grooves are formed in the left side and the right side of the air pump, and the clamping grooves are matched with the fixture block.

The knob rotates, the knob drives the clamping rod fixedly connected with the knob to rotate, the clamping rod acts on the fixing block connected with the knob through threads, the clamping rod rotates in the circumferential direction and moves left and right on the axis, the clamping rod drives the clamping block which is connected with the knob to move left and right, when the clamping blocks on two sides of the air pump act on the air pump, the clamping blocks apply a relative clamping force to the left and right sides of the air pump, the air pump is clamped, meanwhile, the clamping blocks are embedded into the clamping grooves, the freedom degrees of the air pump up and down are limited, the spring plays a role of assisting in clamping, when the air pump is clamped, the force of the threads between the clamping rod and the fixing block can be reduced, and the service life of the threads is effectively prolonged.

Preferably, the device further comprises a detection structure, wherein the detection structure is arranged inside the tube body; the detection structure comprises a box body, a bottom plate, a second protection frame, an auxiliary frame, a second motor, a rotating rod, a first bevel gear, a second reciprocating screw rod, a second bearing seat, a long plate, a telescopic rod and a camera body; the box body is fixedly connected with the inner side wall of the pipe body; the bottom plate is fixedly arranged in the box body and is arranged in parallel with the bottom surface in the box body; the second protective frame is fixedly arranged on the upper side surface of the bottom plate; the auxiliary frame is fixedly arranged on the upper side surface of the second protective frame and is fixed with the side surface of the box body; the second motor is arranged in the second protection frame, a shell of the second motor is fixedly connected with the auxiliary frame, and an output shaft of the second motor is fixedly connected with the rotating rod; the rotating rod is vertically arranged, the lower end of the rotating rod penetrates through the upper end of the second protective frame and the lower end of the auxiliary frame, the upper end of the rotating rod penetrates through the upper end of the auxiliary frame, and the rotating rod is rotatably connected with the second protective frame and the auxiliary frame respectively; the first bevel gear and the second bevel gear are arranged in the auxiliary frame, the first bevel gear is fixedly arranged on the rotating rod, and the first bevel gear is meshed with the second bevel gear; the second reciprocating screw rod is arranged left and right, the left end of the second reciprocating screw rod penetrates through the auxiliary frame, the second reciprocating screw rod is rotatably connected with the auxiliary frame, the left end of the second reciprocating screw rod is connected with the second bevel gear through a one-way bearing, and the right end of the second reciprocating screw rod is rotatably connected with the inner side surface of the pipe body; the second bearing seat is sleeved on the second reciprocating screw rod and is connected with the second reciprocating screw rod through a ball nut pair; a long plate is fixedly arranged at the bottom of the second bearing seat, an auxiliary groove is formed in the bottom plate, the long plate extends into the auxiliary groove, a sliding groove is formed in the bottom of the inner side of the box body, the bottom of the long plate extends into the sliding groove, and the long plate is connected with the box body in a left-right sliding mode; the camera comprises a camera body, a telescopic rod, a camera body, a camera hole, a camera body and a camera cover, wherein the telescopic rod is arranged on the left and right sides, the left end of the telescopic rod is fixedly connected with a box body, the right end of the telescopic rod is fixedly connected with the camera body, the tube body at the right end of the camera body is provided with the camera hole, the camera hole is matched with the camera body, and the camera body is in sliding connection with the tube body; the long plate penetrates through the right end of the telescopic rod and is fixedly connected with the telescopic rod. The second motor moves, the second motor drives the dwang of rather than output shaft fixed connection to rotate, the dwang drives the first bevel gear rotation rather than fixed connection, thereby drive rather than the rotation of engaged second bevel gear, second bevel gear drives rather than the reciprocal lead screw rotation of second through one-way bearing is connected, and then drive rather than the second bearing seat through ball nut pair connection and control on the reciprocal lead screw of second and move, second bearing seat drives rather than the long board of fixed connection and moves about, the long board drives the telescopic link and stretches out and draws back, make the telescopic link drive the action about the camera body.

Preferably, the device also comprises a protection structure positioned outside the pipe body; the protection structure comprises two limiting rods and a baffle; two ends of the two limiting rods are respectively fixedly connected with the outer side wall of the tube body, and the two limiting rods are arranged on two sides of the camera hole in parallel in the vertical direction; the two limiting rods penetrate through the upper side and the lower side of the baffle, and are respectively connected with the baffle in a vertical sliding mode. The baffle slides on two gag lever posts, through the up-and-down action of baffle, realizes opening and closing of making a video recording the hole, has effectually prevented that the outside solid of body or liquid from making a video recording the hole and getting into in the body, also can effectually prevent the jam in hole of making a video recording.

Preferably, the device also comprises a transmission structure; the transmission structure comprises a first reciprocating screw rod, a first bearing seat, a connecting plate, a first moving plate, an L-shaped limiting plate, a first rack plate, a round rod, a gear, a second rack plate, an L-shaped moving plate and a strip-shaped plate; the lower end of the first reciprocating screw rod is connected with the rotating rod through a one-way bearing, and the upper end of the first reciprocating screw rod is rotatably connected with the box body; a first bearing seat is sleeved outside the first reciprocating screw rod, and the first bearing seat is connected with the first reciprocating screw rod through a ball nut pair; a connecting plate is fixedly arranged on the right side of the first bearing seat; a first moving plate is fixedly arranged on the right side of the connecting plate; a first rack plate is fixedly arranged on the right side of the first moving plate; a first rack is fixedly arranged on the right side of the first rack plate; the right side of the auxiliary frame is fixedly connected with the left end of the horizontal part of the L-shaped limiting plate, the L-shaped limiting plate penetrates through the first moving plate and is connected with the first moving plate in a vertically sliding mode, and the top end of the vertical part of the L-shaped limiting plate is fixedly connected with the top of the box body; the second rack is arranged in parallel with the first rack; the right side of the second rack is fixedly connected with the second rack plate; a vertical moving groove is formed in the right side wall in the pipe body, the right end of the horizontal part of the L-shaped movable plate extends into the moving groove, the L-shaped movable plate is connected with the pipe body in a vertical sliding mode, and the right side of the second rack plate is fixedly connected with the L-shaped movable plate; the right side of the L-shaped movable plate is fixedly connected with the left end of the strip-shaped plate; the strip-shaped plate is transversely arranged, a vertical movable groove is formed in the pipe body, the strip-shaped plate penetrates through the movable groove, the strip-shaped plate is connected with the pipe body in a vertical sliding mode, and the right end of the strip-shaped plate is fixedly connected with the left side of the baffle; the round rod is arranged in the front and back, the round rod is arranged between the first rack and the second rack, and the front side and the back side of the round rod are respectively rotatably connected with the box body; the gear is arranged on the round rod and fixedly connected with the round rod, and the first rack and the second rack are respectively meshed with the gear. The dwang drives first reciprocal lead screw and rotates, first reciprocal lead screw drives and reciprocates on the first reciprocal lead screw under the first bearing frame, thereby first bearing frame drives the linkage plate and reciprocates, the linkage plate drives first movable plate and reciprocates on L shape limiting plate, first movable plate drives first rack board and reciprocates, first rack board drives gear revolve through first rack, the gear drives second rack board through the second rack and removes to the opposite direction of first rack, make second rack board drive L shape fly leaf and reciprocate, L shape fly leaf drives the bar shaped plate and reciprocates at the movable slot, the bar shaped plate drives the baffle and reciprocates.

As preferred, still include the riser, the vertical activity inslot of locating of riser, just the riser runs through in the strip shaped plate, sliding connection about riser and the strip shaped plate, both ends respectively with body fixed connection about the riser. The riser can further provide spacingly for the bar, effectually prevented that the bar from controlling rocking.

Compared with the prior art, the invention has at least the following advantages:

1. the injection speed can be controlled and adjusted according to the observed conditions. According to the invention, through the design of the control mechanism, when the device injects carbon dioxide, aiming at some special environments, such as extending into the ground for injection and being inconvenient for observation by naked eyes, the camera can be lifted for shooting, so that workers can observe the working condition of the interior in detail, and the injection speed can be controlled and adjusted according to the condition, thereby avoiding that the injection quantity is not accurate enough and the injection quality cannot reach the expectation due to the inconvenient observation of the traditional injection device.

2. Simple structure and can reasonably control the manufacturing cost. According to the invention, through simple mechanism design, when carbon dioxide is injected into the device in a special environment, shooting can be carried out through the camera, so that a worker can more accurately adjust the injection state, and in addition, excessive parts are not added while the functions are realized, thus the device is beneficial to production and manufacturing and the manufacturing cost is reasonably controlled.

Drawings

Fig. 1 is a perspective view of an embodiment.

Fig. 2 is a schematic structural diagram of the embodiment.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a connection view of the threaded rod.

Fig. 5 is an enlarged view of fig. 2 at B.

In the figure: 1-a tube body, 2-a first motor, 3-a threaded rod, 4-a threaded block, 5-a connecting plate, 6-a circular plate, 7-a first supporting plate, 8-a horizontal plate, 9-a box body, 10-a baffle plate, 11-a limiting plate, 12-a strip plate, 13-a bottom plate, 14-a second motor, 15-a rotating rod, 16-a first reciprocating screw rod, 17-a first bearing seat, 18-a first rack plate, 19-an L-shaped movable plate, 20-a second rack plate, 21-a gear, 22-a second reciprocating screw rod, 23-a second bevel gear, 24-a second bearing seat, 25-a camera body, 26-a first protective frame, 27-a vertical plate, 28-an engaging plate, 29-a first movable plate, 30-a first rack, 31-auxiliary frame, 32-L-shaped limit plate, 33-second protective frame, 34-second rack, 35-round rod, 36-first bevel gear, 37-long plate, 38-telescopic rod, 39-fixed plate, 40-air pump, 41-air pipe, 42-air inlet pipe, 43-fixed block, 44-clamping block, 45-clamping block, 46-clamping rod, 47-spring and 48-knob.

Detailed Description

The present invention is described in further detail below.

In the present invention, 'front', 'rear', 'left', 'right', 'up', 'down' all refer to the orientation in fig. 1, wherein 'front' refers to being out with respect to the paper in fig. 1 and 'rear' refers to being in fig. 1. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, one embodiment of the present invention is provided: portable CO₂The injection control device comprises a pipe body 1, a flow control mechanism and an injection mechanism; the part of the pipe body 1 close to the lower end is of a circular truncated cone-shaped structure, and the lower end of the circular truncated cone-shaped structure is provided with an opening.

The flow control mechanism is arranged in the pipe body 1 and comprises a first protective frame 26, a first motor 2, a threaded rod 3, a threaded block 4, a connecting plate 5, a circular plate 6 and a first supporting plate 7; one side of the first protection frame 26 is fixedly connected with the pipe body 1; a first motor 2 is fixedly arranged in the first protection frame 26; the threaded rod 3 is vertically arranged, the upper end of the threaded rod 3 penetrates through the lower end of the first protection frame 26, and the upper end of the threaded rod 3 is rotatably connected with the first protection frame 26; a first supporting plate 7 is arranged below the threaded rod 3, the threaded rod 3 is rotatably connected with the first supporting plate 7, and the first supporting plate 7 is fixedly connected with the pipe body 1; the threaded block 4 is sleeved on the threaded rod 3, and the threaded block 4 is in threaded connection with the threaded rod 3; a connecting plate 5 is fixedly arranged on one side of the thread block 4, and the connecting plate 5 is of an inverted L-shaped structure; a circular plate 6 is arranged at the lower end of the connecting plate 5, the circular plate 6 is fixedly connected with the connecting plate 5, the circular plate 6 is arranged in the truncated cone-shaped structure of the pipe body 1, and the outer side surface of the circular plate 6 is in contact with the inner wall of the pipe body 1;

the injection mechanism comprises a fixing plate 39, an air pump 40, an air pipe 41 and an air inlet pipe 42; the fixing plate 39 is arranged on the upper end face of the pipe body 1, and the fixing plate 39 is fixedly connected with the pipe body 1; the air pump 40 is arranged on the upper end surface of the fixing plate 39; one end of the air pipe 41 is communicated with an air inlet of the air pump 40; one end of the air inlet pipe 42 is communicated with an air outlet of the air pump 40, and the other end of the air pipe 41 penetrates through the fixing plate 39 and is communicated with the pipe body 1; in specific implementation, the fixing plate 39 is provided with an air inlet hole, the air inlet pipe 42 is arranged in the air inlet hole, and the air inlet pipe 42 is matched with the air inlet hole.

In specific implementation, the air pump 40 pumps carbon dioxide out through the air pipe 41, and then the carbon dioxide is discharged into the pipe body 1 through the air inlet pipe 42 to control the action of the first motor 2, the first motor 2 drives the threaded rod 3 fixedly connected with the output shaft thereof to rotate, the threaded rod 3 drives the threaded block 4 in threaded connection with the threaded rod to move up and down, the threaded block 4 further drives the connecting plate 5 fixedly connected with the threaded rod to move up and down, and the connecting plate 5 drives the circular plate 6 fixedly connected with the connecting plate to move up and down; when the circular plate 6 moves upward, the injection speed is increased, and when the circular plate 6 moves downward, the gap between the circular plate 6 and the bottom of the inner cavity of the tube body 1 is reduced, and the injection speed is reduced.

Further, still include diaphragm 8, perpendicular groove has all been seted up on 1 inner chamber both sides wall of body, 5 external fixation of connecting plate is equipped with diaphragm 8, diaphragm 8 both sides extend into two perpendicular inslots respectively, diaphragm 8 is in perpendicular inslot and body 1 upper and lower sliding connection, 6 tops of plectane are located to diaphragm 8, and diaphragm 8 and 6 parallel arrangement of plectane. Diaphragm 8 can further provide spacingly for connecting plate 5, has effectually prevented to lead to connecting plate 5 to rock about because of connecting plate 5 overlength, leads to the plectane 6 to rock about, the space grow between plectane 6 and the 1 inner chamber bottom of body.

Further, the device also comprises two clamping structures with the same structure, wherein the two clamping devices are symmetrically arranged at two sides of the air pump 40; each clamping structure comprises a fixed block 43, a clamping block 44, a clamping block 45, a clamping rod 46, a spring 47 and a knob 48; the fixed block 43 is arranged at the edge position above the fixed plate 39, and the fixed block 43 is fixedly connected with the fixed plate 39; the clamping block 44 is arranged between the fixed block 43 and the air pump 40, and the clamping block 44 is connected with the fixed plate 39 in a left-right sliding manner; one end of the clamping rod 46 penetrates through the fixed block 43, the clamping rod 46 is in threaded connection with the fixed block 43, the clamping rod 46 is perpendicular to the fixed block 43, one end of the clamping rod 46 is rotatably connected with the clamping block 44, and the other end of the clamping rod 46 is fixedly connected with the knob 48; the spring 47 is sleeved on the clamping rod 46, and the spring 47 is positioned between the fixed block 43 and the clamping block 44; the clamping block 45 is arranged between the clamping block 44 and the air pump 40, the clamping block 45 is fixedly connected with the clamping block 44, clamping grooves are formed in the left side and the right side of the air pump 40, and the clamping grooves are matched with the clamping block 45.

During specific implementation, the knob 48 is rotated, the knob 48 drives the clamping rod 46 fixedly connected with the knob to rotate, the clamping rod 46 acts on the fixing block 43 in threaded connection with the clamping rod 46, the clamping rod 46 rotates in the circumferential direction and moves left and right on the axis, so that the clamping rod 46 drives the clamping block 44 in rotatable connection with the clamping rod 46 to move left and right, when the clamping blocks 44 on the two sides of the air pump 40 act on the air pump 40, the clamping blocks 44 apply a relative clamping force on the left and right sides of the air pump 40 to clamp the air pump 40, meanwhile, the clamping block 45 is embedded into the clamping groove to limit the up-and-down freedom degree of the air pump 40, the spring 47 plays a role in assisting clamping, when the air pump 40 is clamped, the force of threads between the clamping rod 46 and the fixing block 43 can be reduced, and the service life of the threads is effectively prolonged.

Further, the device also comprises a detection structure, wherein the detection structure is arranged inside the pipe body 1; the detection structure comprises a box body 9, a bottom plate 13, a second protective frame 33, an auxiliary frame 31, a second motor 14, a rotating rod 15, a first bevel gear 36, a second bevel gear 23, a second reciprocating screw rod 22, a second bearing seat 24, a long plate 37, an expansion rod 38 and a camera body 25; the box body 9 is fixedly connected with the inner side wall of the pipe body 1; the bottom plate 13 is fixedly arranged in the box body 9, and the bottom plate 13 is arranged in parallel with the bottom surface in the box body 9; the second protective frame 33 is fixedly arranged on the upper side surface of the bottom plate 13; the auxiliary frame 31 is fixedly arranged on the upper side surface of the second protective frame 33, and the auxiliary frame 31 is fixed with the side surface of the box body 9; the second motor 14 is arranged in the second protective frame 33, a shell of the second motor 14 is fixedly connected with the auxiliary frame 31, and an output shaft of the second motor 14 is fixedly connected with the rotating rod 15; the rotating rod 15 is vertically arranged, the lower end of the rotating rod 15 penetrates through the upper end of the second protective frame 33 and the lower end of the auxiliary frame 31, the upper end of the rotating rod 15 penetrates through the upper end of the auxiliary frame 31, and the rotating rod 15 is rotatably connected with the second protective frame 33 and the auxiliary frame 31 respectively; the first bevel gear 36 and the second bevel gear 23 are arranged in the auxiliary frame 31, the first bevel gear 36 is fixedly arranged on the rotating rod 15, and the first bevel gear 36 is meshed with the second bevel gear 23; the second reciprocating screw rod 22 is arranged left and right, the left end of the second reciprocating screw rod 22 penetrates through the auxiliary frame 31, the second reciprocating screw rod 22 is rotatably connected with the auxiliary frame 31, the left end of the second reciprocating screw rod 22 is connected with the second bevel gear 23 through a one-way bearing, and the right end of the second reciprocating screw rod 22 is rotatably connected with the inner side surface of the pipe body 1; the second bearing seat 24 is sleeved on the second reciprocating screw rod 22, and the second bearing seat 24 is connected with the second reciprocating screw rod 22 through a ball nut pair; a long plate 37 is fixedly arranged at the bottom of the second bearing block 24, an auxiliary groove is formed in the bottom plate 13, the long plate 37 extends into the auxiliary groove, a sliding groove is formed in the bottom of the inner side of the box body 9, the bottom of the long plate 37 extends into the sliding groove, and the long plate 37 is connected with the box body 9 in a left-right sliding mode; the telescopic rod 38 is arranged left and right, the left end of the telescopic rod 38 is fixedly connected with the box body 9, the right end of the telescopic rod 38 is fixedly connected with the camera body 25, a camera hole is formed in the tube body 1 at the right end of the camera body 25, the camera hole is matched with the camera body 25, and the camera body 25 is connected with the tube body 1 in a sliding manner; the long plate 37 passes through the right end of the telescopic rod 38 and is fixedly connected with the telescopic rod 38. During specific implementation, the second motor 14 acts, the second motor 14 drives the rotating rod 15 fixedly connected with the output shaft thereof to rotate, the rotating rod 15 drives the first bevel gear 36 fixedly connected with the rotating rod 15 to rotate, so as to drive the second bevel gear 23 engaged with the rotating rod to rotate, the second bevel gear 23 drives the second reciprocating screw rod 22 connected with the second reciprocating screw rod through a one-way bearing to rotate, further, the second bearing seat 24 connected with the second reciprocating screw rod through a ball nut pair is driven to move left and right on the second reciprocating screw rod 22, the second bearing seat 24 drives the long plate 37 fixedly connected with the second reciprocating screw rod to move left and right, and the long plate 37 drives the telescopic rod 38 to stretch and retract, so that the telescopic rod 38 drives the camera body 25 to move left and right.

Further, the device also comprises a protection structure; the protection structure comprises two limiting rods 11 and a baffle 10; two ends of the two limiting rods 11 are respectively fixedly connected with the outer side wall of the tube body 1, and the two limiting rods 11 are arranged on two sides of the camera hole in parallel in the vertical direction; the two limiting rods 11 penetrate through the upper side and the lower side of the baffle 10, and the two limiting rods 11 are respectively connected with the baffle 10 in a sliding mode. Baffle 10 slides on two gag lever posts 11, through the up-and-down action of baffle 10, realizes opening and closing of the hole of making a video recording, has effectually prevented that the outside solid of body 1 or liquid from making a video recording the hole and getting into body 1 in, also can effectually prevent the jam in the hole of making a video recording.

Further, the device also comprises a transmission structure; the transmission structure comprises a first reciprocating screw rod 16, a first bearing seat 17, a connecting plate 28, a first moving plate 29, an L-shaped limiting plate 32, a first rack plate 18, a round rod 35, a gear 21, a second rack 34, a second rack plate 20, an L-shaped moving plate 19 and a strip-shaped plate 12; the lower end of the first reciprocating screw rod 16 is connected with the rotating rod 15 through a one-way bearing, and the upper end of the first reciprocating screw rod 16 is rotatably connected with the box body 9; a first bearing seat 17 is sleeved outside the first reciprocating screw rod 16, and the first bearing seat 17 is connected with the first reciprocating screw rod 16 through a ball nut pair; a connecting plate 28 is fixedly arranged on the right side of the first bearing seat 17; a first moving plate 29 is fixedly arranged at the right side of the connecting plate 28; a first rack plate 18 is fixedly arranged on the right side of the first moving plate 29; a first rack 30 is fixedly arranged on the right side of the first rack plate 18; the right side of the auxiliary frame 31 is fixedly connected with the left end of the horizontal part of the L-shaped limit plate 32, the L-shaped limit plate 32 penetrates through the first moving plate 29 and is connected with the first moving plate 29 in a vertically sliding mode, and the top end of the vertical part of the L-shaped limit plate 32 is fixedly connected with the top of the box body 9; the second rack 34 is arranged in parallel with the first rack 30; the right side of the second rack 34 is fixedly connected with the second rack plate 20; a vertical moving groove is formed in the right side wall in the pipe body 1, the right end of the horizontal part of the L-shaped movable plate 19 extends into the moving groove, the L-shaped movable plate 19 is connected with the pipe body 1 in a vertical sliding mode, and the right side of the second rack plate 20 is fixedly connected with the L-shaped movable plate 19; the right side of the L-shaped movable plate 19 is fixedly connected with the left end of the strip-shaped plate 12; the strip-shaped plate 12 is transversely arranged, a vertical movable groove is formed in the pipe body 1, the strip-shaped plate 12 penetrates through the movable groove, the strip-shaped plate 12 is connected with the pipe body 1 in a vertical sliding mode, and the right end of the strip-shaped plate 12 is fixedly connected with the left side of the baffle 10; the round rod 35 is arranged in the front and back, the round rod 35 is arranged between the first rack 30 and the second rack 34, and the front side and the back side of the round rod 35 are respectively rotatably connected with the box body 9; the gear 21 is arranged on the round rod 35, the gear 21 is fixedly connected with the round rod 35, and the first rack 30 and the second rack 34 are respectively meshed with the gear 21. During specific implementation, the rotating rod 15 drives the first reciprocating screw rod 16 to rotate, the first reciprocating screw rod 16 drives the first reciprocating screw rod 16 to move up and down under the first bearing seat 17, so that the first bearing seat 17 drives the connecting plate 28 to move up and down, the connecting plate 28 drives the first movable plate 29 to move up and down on the L-shaped limiting plate 32, the first movable plate 29 drives the first rack plate 18 to move up and down, the first rack plate 18 drives the gear 21 to rotate through the first rack 30, the gear 21 drives the second rack plate 20 to move in the direction opposite to that of the first rack 30 through the second rack 34, so that the second rack plate 20 drives the L-shaped movable plate 19 to move up and down, the L-shaped movable plate 19 drives the bar-shaped plate 12 to move up and down in the movable groove, and the bar-shaped plate 12 drives the baffle 10 to move up and down.

Furtherly, still include riser 27, the vertical activity inslot of locating of riser 27, just riser 27 runs through in strip shaped plate 12, sliding connection about riser 27 and strip shaped plate 12, both ends respectively with body 1 fixed connection about riser 27. Riser 27 can further provide spacingly for strip shaped plate 12, effectually prevents to rock about strip shaped plate 12.

The portable CO₂The working principle of the injection control device is as follows:

a flow rate control mechanism: the first motor 2 acts, the first motor 2 drives the threaded rod 3 fixedly connected with the output shaft of the first motor to rotate, the threaded rod 3 drives the threaded block 4 fixedly connected with the threaded rod to move up and down, the threaded block 4 drives the connecting plate 5 fixedly connected with the threaded block to move up and down, and the connecting plate 5 drives the circular plate 6 fixedly connected with the connecting plate to move up and down; when the circular plate 6 moves upward, the injection speed is increased, and when the circular plate 6 moves downward, the gap between the circular plate 6 and the bottom of the inner cavity of the tube body 1 is reduced, and the injection speed is reduced.

An injection mechanism: the air pump 40 pumps out carbon dioxide through the air tube 41 and then discharges the carbon dioxide into the tube body 1 through the air inlet tube 42.

The clamping structure is as follows: the knob 48 is rotated, the knob 48 drives the clamping rod 46 fixedly connected with the knob to rotate, the clamping rod 46 acts on the fixing block 43 in threaded connection with the clamping rod 46, the clamping rod 46 rotates in the circumferential direction and moves left and right on the axis, so that the clamping rod 46 drives the clamping block 44 rotatably connected with the clamping rod 46 to act left and right, when the clamping blocks 44 on the two sides of the air pump 40 act on the air pump 40, the clamping blocks 44 apply a relative clamping force on the left and right sides of the air pump 40 to clamp the air pump 40, meanwhile, the clamping block 45 is embedded into the clamping groove to limit the up and down freedom degree of the air pump 40, the spring 47 plays a role of assisting in clamping, when the air pump 40 is clamped, the force of threads between the clamping rod 46 and the fixing block 43 can be reduced, and the service life of the threads is effectively prolonged.

Detecting a structure: the second motor 14 acts, the second motor 14 drives the rotating rod 15 fixedly connected with the output shaft thereof to rotate, the rotating rod 15 drives the first bevel gear 36 fixedly connected with the rotating rod 15 to rotate, so as to drive the second bevel gear 23 meshed with the rotating rod to rotate, the second bevel gear 23 drives the second reciprocating screw rod 22 connected with the second reciprocating screw rod through a one-way bearing to rotate, so as to drive the second bearing seat 24 connected with the second reciprocating screw rod through a ball nut pair to move left and right on the second reciprocating screw rod 22, the second bearing seat 24 drives the long plate 37 fixedly connected with the second reciprocating screw rod to move left and right, and the long plate 37 drives the telescopic rod 38 to stretch and retract, so that the telescopic rod 38 drives the camera body 25 to move left and right.

Protection architecture: baffle 10 slides on two gag lever posts 11, through the up-and-down action of baffle 10, realizes opening and closing of the hole of making a video recording, has effectually prevented that the outside solid of body 1 or liquid from making a video recording the hole and getting into body 1 in, also can effectually prevent the jam in the hole of making a video recording.

The transmission structure is as follows: the rotating rod 15 drives the first reciprocating screw rod 16 to rotate, the first reciprocating screw rod 16 drives the first reciprocating screw rod 16 to move up and down under the action of the first bearing seat 17, so that the first bearing seat 17 drives the connecting plate 28 to move up and down, the connecting plate 28 drives the first movable plate 29 to move up and down on the L-shaped limiting plate 32, the first movable plate 29 drives the first rack plate 18 to move up and down, the first rack plate 18 drives the gear 21 to rotate through the first rack 30, the gear 21 drives the second rack plate 20 to move in the direction opposite to that of the first rack 30 through the second rack 34, so that the second rack plate 20 drives the L-shaped movable plate 19 to move up and down, the L-shaped movable plate 19 drives the strip-shaped plate 12 to move up and down in the movable groove, and the strip-shaped plate 12 drives the baffle 10 to move up and down.

The using process of the invention is as follows:

the air pump 40 first pumps out carbon dioxide through the air tube 41 and then discharges the carbon dioxide into the tube body 1 through the air inlet tube 42, and the carbon dioxide is discharged through the lower end opening of the tube body 1.

Since the rotating rod 15 is connected with the first reciprocating screw rod 16 through a one-way bearing, the second bevel gear 23 is connected with the second reciprocating screw rod 22 through a one-way bearing. The second motor 14 rotates positively, the rotating rod 15 drives the first reciprocating screw rod 16 to rotate, the first reciprocating screw rod 16 drives the first bearing seat 17 to move downwards, the first bearing seat 17 drives the connecting plate 28 to move downwards, the connecting plate 28 drives the first movable plate 29 to move downwards, the first movable plate 29 drives the first rack plate 18 to move downwards, the first rack plate 18 drives the gear 21 to rotate through the first rack 30, the gear 21 drives the second rack plate 20 to move upwards through the second rack 34, the second rack plate 20 drives the L-shaped movable plate 19 to move upwards, the L-shaped movable plate 19 drives the strip-shaped plate 12 to move upwards, and the strip-shaped plate 12 drives the baffle 10 to move upwards.

When the baffle 10 moves to a position where the baffle does not block the camera hole any more, the second motor 14 starts to rotate reversely, the rotating rod 15 drives the first bevel gear 36 to rotate at the moment, the first bevel gear 36 drives the second bevel gear 23 to rotate, the second bevel gear 23 drives the second reciprocating screw rod 22 to rotate, the second reciprocating screw rod 22 drives the second bearing seat 24 to move rightwards, the second bearing seat 24 drives the long plate 37 to move rightwards, the long plate 37 drives the telescopic rod 38 to extend, the telescopic rod 38 drives the camera body 25 to move towards the outside of the camera hole, when the camera body 25 moves to the outside of the tube body 1, the second motor 14 stops, and the injection condition can be shot.

The staff injects the speed according to the first motor 2 control of the circumstances of pouring into, for example first motor 2 corotation, then first motor 2 work drives 3 corotation of threaded rod, threaded rod 3 drives 4 rebound of screw block, 4 rebound of screw block drive connecting plate 5, connecting plate 5 drives 6 rebound of plectane, then the space grow between plectane 6 and the 1 inner chamber bottom of body, the injection rate improves, when first motor 2 reversal, then repeat above opposite step, the injection rate slows down, control the injection rate with this.

After the shooting is completed, the second motor 14 starts to rotate reversely, at this time, the rotating rod 15 drives the first bevel gear 36 to rotate, the first bevel gear 36 drives the second bevel gear 23 to rotate, the second bevel gear 23 drives the second reciprocating screw rod 22 to rotate, the second reciprocating screw rod 22 drives the second bearing seat 24 to move, when the second bearing seat 24 moves to the rightmost end of the second reciprocating screw rod 22, the second bearing seat 24 starts to move leftwards, the second bearing seat 24 drives the long plate 37 to move leftwards, the long plate 37 drives the telescopic rod 38 to shorten, and the telescopic rod 38 drives the camera body 25 to move towards the inside of the camera hole.

When the camera body 25 moves to the interior of the tube body 1, the second motor 14 rotates forward, the rotating rod 15 drives the first reciprocating screw rod 16 to rotate, the first reciprocating screw rod 16 drives the first bearing seat 17 to move, when the first bearing seat 17 moves to the lowest end of the first reciprocating screw rod 16, the first bearing seat 17 starts to move upwards,

the first bearing seat 17 drives the connecting plate 28 to move downwards, the connecting plate 28 drives the first moving plate 29 to move downwards, the first moving plate 29 drives the first rack plate 18 to move downwards, the first rack plate 18 drives the gear 21 to rotate through the first rack 30, the gear 21 drives the second rack plate 20 to move upwards through the second rack 34, the second rack plate 20 drives the L-shaped moving plate 19 to move upwards, the L-shaped moving plate 19 drives the strip-shaped plate 12 to move upwards, and the strip-shaped plate 12 drives the baffle plate 10 to move upwards until the baffle plate 10 shields the camera shooting hole.

Therefore, when the second motor 14 rotates forwards, the rotating rod 15 drives the first reciprocating screw rod 16 to rotate, at the moment, the second reciprocating screw rod 22 does not rotate, the baffle 10 is driven to move, and when the baffle 10 moves to the position where the baffle is not blocked from the through groove, the second motor 14 starts to rotate backwards;

when the second motor 14 rotates reversely, the second bevel gear 23 drives the second reciprocating screw rod 22 to rotate, at this time, the first reciprocating screw rod 16 does not rotate, the camera body 25 moves to the outside of the through groove, and when the camera body 25 moves to the outside of the pipe body 1, the injection condition can be shot.

After the shooting is finished, the second motor 14 continues to rotate reversely, the second bearing seat 24 moves back after reaching one end of the second reciprocating screw rod 22, and the camera body 25 moves back until the camera body 25 is completely retracted.

After the camera body 25 is completely retracted, the second motor 14 rotates forward, and the first bearing seat 17 on the first reciprocating screw rod 16 moves downward until the camera hole is completely covered by the baffle 10.

Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.