阅读说明：本技术 一种开门自动断电的防爆隔离开关箱 (Explosion-proof isolating switch box capable of automatically cutting off power when door is opened ) 是由 张译文 于 2021-10-28 设计创作，主要内容包括：本发明涉及防爆隔离箱技术领域,且公开了一种开门自动断电的防爆隔离开关箱,包括壳体,所述壳体的左侧转动连接有箱门,所述箱门前端的左侧滑动连接有卡块,所述箱门的前端开设有槽洞,所述槽洞的内部固定安装有固定块,所述固定块的前端固定安装有拉簧,所述壳体内壁的左侧固定安装有槽体,所述槽体的内部滑动连接有连接块,该开门自动断电的防爆隔离开关箱,通过打开箱门时,控制开关自动接通电源连接,使得壳体的内部的灯泡呈现打开状态,便于操作者在黑暗环境中观察壳体的内部,当箱门关闭时灯泡自动断开电源连接,进而达到有效的节约电能的目的,当关闭箱门时自动锁死,防止由于误触导致箱门被打开而导致安全隐患出现。(The invention relates to the technical field of explosion-proof isolation boxes, and discloses an explosion-proof isolation switch box capable of automatically powering off when a door is opened, which comprises a shell, wherein the left side of the shell is rotatably connected with a box door, the left side of the front end of the box door is slidably connected with a clamping block, the front end of the box door is provided with a groove hole, a fixed block is fixedly arranged inside the groove hole, the front end of the fixed block is fixedly provided with a tension spring, the left side of the inner wall of the shell is fixedly provided with a groove body, the inside of the groove body is slidably connected with a connecting block, and the explosion-proof isolation switch box capable of automatically powering off when the door is opened is automatically connected with a power supply to enable a bulb inside the shell to be in an open state, so that an operator can observe the inside of the shell in a dark environment, the bulb can automatically disconnect the power supply when the box door is closed, further achieve the purpose of effectively saving electric energy, and can be automatically locked when the box door is closed, the potential safety hazard caused by the fact that the box door is opened due to mistaken touch is prevented from occurring.)

1. The utility model provides an explosion-proof isolator case of auto-power-off opens door, includes casing (1), its characterized in that: a box door (2) is rotatably connected to the left side of the shell (1), a clamping block (3) is slidably connected to the left side of the front end of the box door (2), a groove hole (4) is formed in the front end of the box door (2), a fixing block (5) is fixedly installed inside the groove hole (4), and a tension spring (6) is fixedly installed at the front end of the fixing block (5); a groove body (7) is fixedly installed on the left side of the inner wall of the shell (1), a connecting block (8) is slidably connected inside the groove body (7), a telescopic rod (9) is fixedly installed at the bottom end of the connecting block (8), a lever (10) is rotatably connected to the middle of the telescopic rod (9), a sliding block (11) is fixedly installed at the bottom end of the telescopic rod (9), a supporting rod (12) is fixedly installed on the left side of the bottom end of the inner wall of the shell (1), a fixing rod (13) is fixedly installed in the middle of the top end of the inner wall of the shell (1), and a fixing disk (14) is fixedly installed at the bottom end of the fixing rod (13); the left side and the right side of the inside of the fixed disc (14) are connected with sliding plates (15) in a sliding mode, one ends, close to each other, of the sliding plates (15) are fixedly provided with control switches (16), the left side and the right side, far away from each other, of the sliding plates (15) are fixedly provided with spring rods (17), the middle part, far away from each other, of the sliding plates (15) is fixedly provided with a push rod (18), the upper end and the lower end of the fixed disc (14) are movably connected with connecting pins (19), and the surfaces of the connecting pins (19) are rotatably connected with connecting rods (20); the bottom fixed mounting of casing (1) has gasbag (21), the top fixed mounting of gasbag (21) has trachea (22), the inside fixed mounting of casing (1) has air chamber (23), the equal sliding connection in the left and right sides of air chamber (23) has ejector pad (24), the one end fixed mounting that ejector pad (24) kept away from each other has locating lever (25).

2. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: the middle part of chamber door (2) is provided with the viewing aperture, the one end that fixture block (3) are close to chamber door (2) passes through spring and chamber door (2) swing joint, the opening has been seted up on the right side of casing (1) front end, and opening and fixture block (3) are in same vertical height.

3. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: one end of the tension spring (6) far away from the fixing block (5) is fixedly connected with the connecting block (8).

4. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: the bottom of the groove body (7) is provided with a groove, the telescopic rod (9) penetrates through the groove at the bottom of the groove body (7), and the groove body (7) and the groove hole (4) are located at the same horizontal height.

5. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: one end of the lever (10) far away from the telescopic rod (9) is fixedly connected to the left end of the inner wall of the shell (1).

6. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: slider (11) sliding connection is on the surface of branch (12), slider (11) keep away from the one end and fixed disk (14) fixed connection of casing (1) inner wall.

7. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: the middle part on the top end of the inner wall of the shell (1) is fixedly provided with a bulb, and the control switch (16) is electrically connected with the bulb.

8. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: one end of the connecting rod (20) far away from the connecting pin (19) is rotatably connected with the sliding block (11).

9. The explosion-proof isolating switch box capable of automatically powering off after opening the door of claim 1, characterized in that: an air valve is fixedly mounted inside the air bag (21), a switch electrically connected with the air valve is arranged outside the shell (1), grooves are formed in the left side and the right side of the clamping block (3), the cross section of each groove is larger than that of the corresponding positioning rod (25), and springs are fixedly mounted between the push blocks (24).

Technical Field

The invention relates to the technical field of explosion-proof isolation boxes, in particular to an explosion-proof isolation switch box capable of automatically cutting off power when a door is opened.

Background

Explosion-proof isolator case is a distribution equipment who installs isolator, when carrying out electric power operation in mine and weaving factory etc. ground such as the potential safety hazard of easily appearing, needs prevent dangers such as combustible gas and dust explosion, and then has higher to the power equipment safety requirement in these places, needs guarantee the security that power distribution cabinet used in this place.

Current explosion-proof switch box of electric power does not increase the safeties when dangerous place uses, and explosion-proof switch box does not in time cut off the power supply when opening the chamber door when using or overhauing, if the potential safety hazard easily appears in the inside contact inflammable gas or dust of casing, and does not lock the chamber door at explosion-proof switch box normal use in-process and can lead to the chamber door to be touched by the mistake and open, and then causes the potential safety hazard.

This explosion-proof isolator case of auto-power-off opens door, when opening the chamber door, the automatic switch-on power of control switch connects for the bulb of the inside of casing presents the open mode, and the operator of being convenient for observes the inside of casing in the dark surrounds, and bulb automatic disconnection power is connected when the chamber door is closed, and then reaches the purpose of effectual saving electric energy, and auto-lock dies when closing the chamber door, prevents to lead to the case door to be opened and lead to the potential safety hazard to appear owing to the mistake is touched.

Disclosure of Invention

In order to achieve the purposes of preventing potential safety hazards caused by opening the box door and preventing the box door from being opened due to mistaken touch, the invention provides the following technical scheme: the utility model provides an explosion-proof isolator case of auto-power-off opens door, includes the casing, the left side of casing is rotated and is connected with the chamber door, the left side sliding connection of case door front end has the fixture block, the slot hole has been seted up to the front end of chamber door, the inside fixed mounting of slot hole has the fixed block, the front end fixed mounting of fixed block has the extension spring.

The utility model discloses a cell body, including shells inner wall, cell body, bottom fixed mounting, telescopic link, the bottom fixed mounting of connecting block has the cell body, the inside sliding connection of cell body has the connecting block, the bottom fixed mounting of connecting block has the telescopic link, the middle part of telescopic link is rotated and is connected with the lever, the bottom fixed mounting of telescopic link has the slider, the left side fixed mounting of shells inner wall bottom has branch, the middle part fixed mounting on shells inner wall top has the dead lever, the bottom fixed mounting of dead lever has the fixed disk.

The fixed disk is characterized in that sliding plates are connected to the left side and the right side of the inner portion of the fixed disk in a sliding mode, a control switch is fixedly mounted at one end, close to each other, of each sliding plate, spring rods are fixedly mounted at the left side and the right side of one end, far away from each other, of each sliding plate, push rods are fixedly mounted at the middle of one end, far away from each other, of each sliding plate, connecting pins are movably connected to the upper end and the lower end of the fixed disk, and connecting rods are connected to the surfaces of the connecting pins in a rotating mode.

The bottom fixed mounting of casing has the gasbag, the top fixed mounting of gasbag has the trachea, the inside fixed mounting of casing has the air cavity, the equal sliding connection in the left and right sides of air cavity has the slider, the one end fixed mounting that the slider kept away from each other has the locating lever.

As optimization, the middle part of chamber door is provided with the viewing aperture, observes the inside components and parts of casing through the viewing aperture, the fixture block passes through spring and chamber door swing joint near the one end of chamber door, the opening has been seted up on the right side of casing front end, and opening and fixture block are in same vertical height, and the fixture block removes to the inside of opening and carries on spacingly to the chamber door when the chamber door is closed.

As an optimization, the end, far away from the fixed block, of the tension spring is fixedly connected with the connecting block, and when the box door is opened, the tension spring is pulled to further pull the connecting block to move towards the direction of the box door.

As optimization, the bottom end of the groove body is provided with a groove, the telescopic rod penetrates through the groove at the bottom end of the groove body, and the groove body and the groove hole are located at the same horizontal height.

As optimization, one end of the lever, which is far away from the telescopic rod, is fixedly connected to the left end of the inner wall of the shell, and when the connecting block is pulled, the telescopic rod rotates by taking a connecting point with the lever as a circle center.

As optimization, slider sliding connection is on the surface of branch, the one end and the fixed disk fixed connection of shells inner wall are kept away from to the slider, and the telescopic link drives swing joint's slider and slides on the surface of branch when rotating.

As an optimization, the middle part of the top end of the inner wall of the shell is fixedly provided with a bulb, the control switch is electrically connected with the bulb, and the on and off of the control switch controls whether the bulb inside the shell is electrified or not.

Preferably, one end, far away from the connecting pin, of the connecting rod is rotatably connected with the sliding block, and the sliding block drives the rotatably connected connecting rod to rotate when rotating.

As an optimization, an air valve is fixedly installed inside the air bag, grooves are formed in the left side and the right side of the clamping block, a switch electrically connected with the air valve is arranged outside the shell and used for controlling the air valve to control the air flow inside the air bag and the air chamber, grooves are formed in the left side and the right side of the clamping block, the cross section of each groove is larger than that of the positioning rod, a spring is fixedly installed between the pushing blocks, and the positioning rod penetrates through the clamping block and limits the clamping block.

The invention has the beneficial effects that: this explosion-proof isolator case of auto-power-off opens door, when opening the chamber door, the automatic switch-on power of control switch connects for the bulb of the inside of casing presents the open mode, and the operator of being convenient for observes the inside of casing in the dark surrounds, and bulb automatic disconnection power is connected when the chamber door is closed, and then reaches the purpose of effectual saving electric energy, and auto-lock dies when closing the chamber door, prevents to lead to the case door to be opened and lead to the potential safety hazard to appear owing to the mistake is touched.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the structure of the present invention;

FIG. 3 is a schematic view of the interior of the structure of the present invention;

FIG. 4 is a schematic view of the telescopic rod structure of the present invention;

FIG. 5 is a schematic top view of a fixing plate according to the present invention;

FIG. 6 is a schematic illustration of the FIG. 5 operating configuration of the present invention;

FIG. 7 is a schematic view of the internal structure of the fixing plate according to the present invention;

FIG. 8 is a side cross-sectional view of the structure of FIG. 3 according to the present invention.

In the figure: 1. a housing; 2. a box door; 3. a clamping block; 4. a groove hole; 5. a fixed block; 6. a tension spring; 7. a trough body; 8. connecting blocks; 9. a telescopic rod; 10. a lever; 11. a slider; 12. a strut; 13. fixing the rod; 14. fixing the disc; 15. a slide plate; 16. a control switch; 17. a spring lever; 18. a push rod; 19. a connecting pin; 20. a connecting rod; 21. an air bag; 22. an air tube; 23. an air cavity; 24. a push block; 25. and (5) positioning the rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows: referring to fig. 1-7, an explosion-proof isolation switch box capable of automatically cutting off power when opening a door comprises a shell 1, a box door 2 is rotatably connected to the left side of the shell 1, an observation opening is formed in the middle of the box door 2, components inside the shell 1 are observed through the observation opening, a clamping block 3 is slidably connected to the left side of the front end of the box door 2, one end, close to the box door 2, of the clamping block 3 is movably connected with the box door 2 through a spring, a notch is formed in the right side of the front end of the shell 1, the notch and the clamping block 3 are located at the same vertical height, the clamping block 3 moves into the notch when the box door 2 is closed to limit the box door 2, a slot hole 4 is formed in the front end of the box door 2, a fixing block 5 is fixedly installed inside the slot hole 4, a tension spring 6 is fixedly installed at the front end of the fixing block 5, one end, far away from the tension spring 6, is fixedly connected with a connecting block 8, when the box door 2 is opened, the tension spring 6 is pulled to pull the connecting block 8 to move towards the direction of the box door 2, a groove body 7 is fixedly arranged on the left side of the inner wall of the shell 1, a groove is formed in the bottom end of the groove body 7, a telescopic rod 9 penetrates through the groove in the bottom end of the groove body 7, the groove body 7 and a groove hole 4 are positioned at the same horizontal height, a connecting block 8 is slidably connected inside the groove body 7, the telescopic rod 9 is fixedly arranged at the bottom end of the connecting block 8, a lever 10 is rotatably connected to the middle of the telescopic rod 9, one end, away from the telescopic rod 9, of the lever 10 is fixedly connected to the left end of the inner wall of the shell 1, when the connecting block 8 is pulled, the telescopic rod 9 rotates around the connecting point of the telescopic rod 10, a sliding block 11 is fixedly arranged at the bottom end of the telescopic rod 9, the sliding block 11 is slidably connected to the surface of a supporting rod 12, one end, away from the inner wall of the shell 1, of the sliding block 11 is fixedly connected to a fixed disk 14, when the telescopic rod 9 rotates, the sliding block 11, slides on the surface of the supporting rod 12 is movably connected to the left side of the bottom end of the inner wall of the shell 1, the middle part fixed mounting on casing 1 inner wall top has dead lever 13, the bottom fixed mounting of dead lever 13 has fixed disk 14, the inside left and right sides sliding connection of fixed disk 14 has slide 15, the one end fixed mounting that slide 15 is close to each other has control switch 16, the middle part fixed mounting on casing 1 inner wall top has the bulb, control switch 16 and bulb electric connection, whether the closed of control switch 16 and the inside of disconnection control casing 1 are switched on, the equal fixed mounting in left and right sides of the one end has spring beam 17 is kept away from each other to slide 15, the middle part fixed mounting that slide 15 kept away from one end each other has push rod 18, the upper and lower both ends swing joint of fixed disk 14 has connecting pin 19, the surface rotation of connecting pin 19 is connected with connecting rod 20, connecting rod 20 and slider 11 rotation connection of connecting pin 19 are kept away from to connecting rod 20, slider 11 rotates connecting rod 20 that the rotation is connected when rotating, drive the inside control switch 16 disconnection of fixed disk 14 after door 2 is opened and make the inside of casing 1 be the outage state .

Example two: please refer to fig. 1, fig. 2, fig. 3 and fig. 8, an explosion-proof isolation switch box capable of automatically cutting off power supply when opening a door, comprising a housing 1, a gasbag 21 is fixedly installed at the bottom end of the housing 1, a gas pipe 22 is fixedly installed at the top end of the gasbag 21, a gas chamber 23 is fixedly installed inside the housing 1, push blocks 24 are slidably connected to the left and right sides inside the gas chamber 23, positioning rods 25 are fixedly installed at one ends of the push blocks 24 far away from each other, gas valves are fixedly installed inside the gasbag 21, switches electrically connected with the gas valves are arranged outside the housing 1, grooves are formed in the left and right sides of a clamping block 3, the cross-sectional size of each groove is larger than that of each positioning rod 25, springs are fixedly installed between the push blocks 24, and the positioning rods 25 are driven to be inserted into the clamping block 3 to fix the door 2 when closing the door 2.

Example three: referring to fig. 1-8, an explosion-proof isolation switch box capable of automatically cutting off power when opening a door comprises a shell 1, a box door 2 is rotatably connected to the left side of the shell 1, an observation opening is formed in the middle of the box door 2, components inside the shell 1 are observed through the observation opening, a clamping block 3 is slidably connected to the left side of the front end of the box door 2, one end, close to the box door 2, of the clamping block 3 is movably connected with the box door 2 through a spring, a notch is formed in the right side of the front end of the shell 1, the notch and the clamping block 3 are located at the same vertical height, the clamping block 3 moves into the notch when the box door 2 is closed to limit the box door 2, a slot hole 4 is formed in the front end of the box door 2, a fixing block 5 is fixedly installed inside the slot hole 4, a tension spring 6 is fixedly installed at the front end of the fixing block 5, one end, far away from the tension spring 6, is fixedly connected with a connecting block 8, when the box door 2 is opened, the tension spring 6 is pulled to pull the connecting block 8 to move towards the direction of the box door 2, a groove body 7 is fixedly arranged on the left side of the inner wall of the shell 1, a groove is formed in the bottom end of the groove body 7, a telescopic rod 9 penetrates through the groove in the bottom end of the groove body 7, the groove body 7 and a groove hole 4 are positioned at the same horizontal height, a connecting block 8 is slidably connected inside the groove body 7, the telescopic rod 9 is fixedly arranged at the bottom end of the connecting block 8, a lever 10 is rotatably connected to the middle of the telescopic rod 9, one end, away from the telescopic rod 9, of the lever 10 is fixedly connected to the left end of the inner wall of the shell 1, when the connecting block 8 is pulled, the telescopic rod 9 rotates around the connecting point of the telescopic rod 10, a sliding block 11 is fixedly arranged at the bottom end of the telescopic rod 9, the sliding block 11 is slidably connected to the surface of a supporting rod 12, one end, away from the inner wall of the shell 1, of the sliding block 11 is fixedly connected to a fixed disk 14, when the telescopic rod 9 rotates, the sliding block 11, slides on the surface of the supporting rod 12 is movably connected to the left side of the bottom end of the inner wall of the shell 1, the middle part of the top end of the inner wall of the shell 1 is fixedly provided with a fixed rod 13, the bottom end of the fixed rod 13 is fixedly provided with a fixed disc 14, the left side and the right side of the inner part of the fixed disc 14 are connected with sliding plates 15 in a sliding way, one end of each sliding plate 15, which is close to each other, is fixedly provided with a control switch 16, the middle part of the top end of the inner wall of the shell 1 is fixedly provided with a bulb, the control switch 16 is electrically connected with the bulb, whether the inner part of the shell 1 is electrified or not is controlled by the on-off of the control switch 16, the left side and the right side of one end of each sliding plate 15, which is far away from each other, are fixedly provided with spring rods 17, the middle part of one end of each sliding plate 15, which is far away from each other, is fixedly provided with a push rod 18, the upper end and the lower end of the fixed disc 14 are movably connected with connecting pins 19, the surfaces of the connecting pins 19 are rotatably connected with connecting rods 20, one ends of the connecting rods 20, which are far away from the connecting pins 19 are rotatably connected with the sliding blocks 11, when the sliding blocks 11 rotate, the sliding blocks 11 are fixedly provided with air bags 21, the top fixed mounting of gasbag 21 has trachea 22, the inside fixed mounting of casing 1 has air cavity 23, the equal sliding connection in the left and right sides of air cavity 23 inside has ejector pad 24, the one end fixed mounting that ejector pad 24 kept away from each other has locating lever 25, the inside fixed mounting of gasbag 21 has the pneumatic valve, casing 1's outside is provided with the switch with pneumatic valve electric connection, the recess has been seted up to the left and right sides of fixture block 3, the cross-sectional size of recess is greater than the cross-sectional size of locating lever 25, fixed mounting has the spring between the ejector pad 24.

When the refrigerator door 2 is in a closed state, the bulb is in an off state, when the refrigerator door 2 needs to be opened to observe internal components, the refrigerator door 2 is pulled open, the fixed block 5 pulls the tension spring 6 when the refrigerator door 2 is opened, the tension spring 6 pulls the connecting block 8 to enable the connecting block 8 to move towards the left side of the shell 1 in the groove 7, the connecting block 8 drives the telescopic rod 9 to rotate when moving, the telescopic rod 9 rotates around a connecting point with the lever 10, the telescopic rod 9 drives the sliding block 11 to move towards the right side on the surface of the supporting rod 12 when rotating, the connecting rod 20 is driven to rotate when moving, the sliding block 11 simultaneously drives the push rod 18 to move towards the direction close to the center of the fixed disk 14 when moving, the sliding plate 15 drives the sliding plate 15 to move, the control switch 16 is driven to be closed when moving, the bulb is further electrified, and the bulb is opened to observe the inside of the shell 1 after the refrigerator door 2 is opened, when the box door 2 is closed, the box door 2 pushes the air bag 21 to the inside of the shell 1, the air inside the air bag 21 enters the inside of the air cavity 23 while being pressurized, the air pushes the push block 24 in the inside of the air cavity 23, the push block 24 moves towards the edge direction of the air cavity 23 under the pushing action of the air, so that the push block 24 stretches the spring to move towards the edge direction of the air cavity 23, the push block 24 drives the positioning rod 25 to move towards the direction of the opening when moving, meanwhile, the fixture block 3 moves into the inside of the opening, the positioning rod 25 penetrates through the fixture block 3 to fix the positioning rod after moving into the inside of the opening, the potential safety hazard caused by the opening of the box door 2 due to error contact is prevented, when the box door 2 needs to be opened, the switch is opened to enable the air valve to work, the air valve guides the air inside the air bag 23 into the inside of the air bag 21, the push blocks 24 approach each other under the action of the spring, and further drives the positioning rod 25 to no longer generate a limiting effect on the fixture block 3, at this time, the door 2 can be normally opened.

To sum up, this explosion-proof isolator case of auto-power-off opens door, through opening chamber door 2, control switch 16 automatic switch-on power connects for the bulb of the inside of casing 1 presents the open mode, and the operator of being convenient for observes the inside of casing 1 in the dark surrounds, and bulb automatic disconnection power connects when chamber door 2 is closed, and then reaches the effectual mesh of practicing thrift the electric energy, and auto-lock dies when closing chamber door 2, prevents to lead to chamber door 2 to be opened and lead to the potential safety hazard to appear because the mistake touches.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.