阅读说明：本技术 一种通轴柱塞高压油泵 (Through-shaft plunger high-pressure oil pump ) 是由 楼夙训 于 2020-05-01 设计创作，主要内容包括：本发明公开了一种通轴柱塞高压油泵,涉及高压油泵技术领域,针对现有通轴柱塞油泵的柱塞伸出泵内进行往复活动时,其柱塞上容易粘附灰尘,这样会造成柱塞与泵的磨损严重,不利于泵的密封性和安全性的问题,现提出如下方案,包括设有柱塞的油泵主体,所述油泵主体的柱塞末端固定连接有活动板,所述油泵主体的顶部设有导向装置,所述油泵主体的柱塞外部活动套设有第一齿轮,所述第一齿轮的内部活动套设有两个清洁机构,所述清洁机构的下方设有驱动机构,所述驱动机构的下方设有与活动板铰接的连接杆。本发明方便柱塞在往复活动时带动清洁机构旋转,从而方便对柱塞进行清洁,减低柱塞与泵体之间的磨损,提高泵体的密封性和安全性。(The invention discloses a through-shaft plunger high-pressure oil pump, which relates to the technical field of high-pressure oil pumps and aims to solve the problems that when a plunger of the conventional through-shaft plunger oil pump extends out of the pump to perform reciprocating motion, dust is easily adhered to the plunger, so that the abrasion between the plunger and the pump is serious, and the sealing performance and the safety of the pump are not facilitated. The invention facilitates the plunger to drive the cleaning mechanism to rotate when the plunger reciprocates, thereby facilitating the cleaning of the plunger, reducing the abrasion between the plunger and the pump body and improving the sealing property and the safety of the pump body.)

1. The utility model provides a logical axle plunger high pressure oil pump, is including oil pump main part (1) that is equipped with the plunger, its characterized in that, the terminal fixedly connected with fly leaf (5) of plunger of oil pump main part (1), the top of oil pump main part (1) is equipped with guider, the outside movable sleeve of plunger of oil pump main part (1) is equipped with first gear (6), the inside movable sleeve of first gear (6) is equipped with two clean mechanisms, the below of clean mechanism is equipped with actuating mechanism, actuating mechanism's below is equipped with connecting rod (14) articulated with fly leaf (5), the one end that fly leaf (5) were kept away from in connecting rod (14) is rotated and is connected with toothed disc (15), the top of toothed disc (15) is equipped with rotates second gear (16) that set up with the bottom of oil pump main part (1), and second gear (16) and toothed disc (15) meshing transmission, the front surface of the second gear (16) is fixedly provided with a first bevel gear (17), and the first bevel gear (17) and the first gear (6) are connected and driven through a driving mechanism.

2. The through-shaft plunger high-pressure oil pump as claimed in claim 1, wherein the cleaning mechanism comprises three sleeves (9), springs (10), a movable rod (11) and a brush plate (12), a mounting hole (13) is formed in the first gear (6), the sleeves (9) are welded with the mounting hole (13), the springs (10) are sleeved in the sleeves (9), the movable rod (11) is connected to one end, close to the center of a circle, of each spring (10), and the brush plate (12) is welded to one end, far away from the springs (10), of each movable rod (11).

3. The through-shaft plunger high-pressure oil pump as claimed in claim 1, wherein a sliding groove (7) is formed in one side, away from the movable plate (5), of the first gear (6) along the circumferential direction of the first gear, two sliding blocks are slidably mounted inside the sliding groove (7), a fixing rod (8) is welded between the sliding blocks and the oil pump main body (1), and the vertical sections of the sliding groove (7) and the sliding blocks are both of a T-shaped structure.

4. The through-shaft plunger high-pressure oil pump as claimed in claim 1, wherein the driving mechanism comprises a rotating shaft (18), a second bevel gear (19), a third gear (20) and a bearing, the rotating shaft (18) is fixedly sleeved on an inner ring of the bearing, one end of the rotating shaft (18) is fixedly connected with the second bevel gear (19), the second bevel gear (19) is in meshing transmission with the first bevel gear (17), the right end of the rotating shaft (18) is fixedly connected with the third gear (20), and the third gear (20) is in meshing transmission with the first gear (6).

5. The through-shaft plunger high-pressure oil pump as claimed in claim 1, characterized in that a first clamping plate is connected to the back of the gear plate (15) in a rotating manner, a bottom plate (22) is welded to the bottom of the first clamping plate, a second clamping plate is connected to the back of the second gear (16) in a rotating manner, and the top of the second clamping plate is welded to the oil pump main body (1).

6. The through-shaft plunger high-pressure oil pump as claimed in claim 5, wherein two support plates (21) are welded between the bottom plate (22) and the oil pump main body (1), a connecting hole is formed in the right side of the support plate (21) in the height direction of the support plate, the connecting rod (14) penetrates through the connecting hole, and the bearing is fixedly connected with one support plate (21).

7. The through-shaft plunger high-pressure oil pump as claimed in claim 5, wherein the guide device comprises a fixed block (2), a guide rod (3) and a sleeve (4), the fixed block (2) is welded with the top of the oil pump main body (1), the guide rod (3) is welded on the right side of the fixed block (2), the sleeve (4) is sleeved on the outer portion of the guide rod (3), and the right end of the sleeve (4) is fixedly connected with the movable plate (5).

Technical Field

The invention relates to the technical field of high-pressure oil pumps, in particular to a through-shaft plunger high-pressure oil pump.

Background

The oil pump is a light and compact pump, and has three major types, i.e., an in-line type, a distribution type and a single type. The oil pump can be operated only by a power source, and a camshaft at the lower part of the oil pump is driven by a crankshaft gear of the engine. Oil pump and movable moulding that sets up in this outer cover, wherein, this movable moulding is made of a sinterable material, contain at least a ferrous alloy of austenite partially at least, and wherein this moulding made of a sinterable material has a thermal expansion coefficient of at least 60% of the thermal expansion coefficient of this outer cover. The through-shaft pump is a radial piston pump in which a drive shaft is supported on two single shafts via a cylinder block and a swash plate.

When the through-shaft plunger oil pump works, a plunger of the through-shaft plunger oil pump performs reciprocating motion, however, dust adheres to the surface of the plunger in the motion process, so that when the plunger extends into the pump, the abrasion of the port parts of the plunger and the pump is serious, the tightness and the safety of the pump are not facilitated, and therefore the through-shaft plunger high-pressure oil pump is provided.

Disclosure of Invention

The invention provides a through-shaft plunger high-pressure oil pump which solves the problems that when a plunger of the conventional through-shaft plunger oil pump extends out of a pump to reciprocate, dust is easily adhered to the plunger, so that the abrasion between the plunger and the pump is serious, and the sealing performance and the safety of the pump are not facilitated.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a logical axle plunger high pressure oil pump, is including the oil pump main part that is equipped with the plunger, the terminal fixedly connected with fly leaf of plunger of oil pump main part, the top of oil pump main part is equipped with guider, the outside movable sleeve of plunger of oil pump main part is equipped with first gear, the inside movable sleeve of first gear is equipped with two clean mechanisms, the below of clean mechanism is equipped with actuating mechanism, actuating mechanism's below is equipped with and activity board articulated connecting rod, the one end rotation that the fly leaf was kept away from to the connecting rod is connected with the toothed disc, the top of toothed disc is equipped with rotates the second gear that sets up with the bottom of oil pump main part, and second gear and toothed disc meshing transmission, the fixed first bevel gear that is equipped with in front of second gear, and is connected the drive through actuating mechanism between first bevel gear and.

Preferably, clean mechanism includes three sleeve, spring, movable rod and brush board, the mounting hole has been seted up to the inside of first gear, the internal weld of sleeve and mounting hole, telescopic inside cover is equipped with the spring, the one end that the spring is close to centre of a circle department is connected with the movable rod, the one end welding that the spring was kept away from to the movable rod has the brush board.

Preferably, the first gear is kept away from one side of fly leaf and has been seted up the spout along its circumference, the inside slidable mounting of spout has two sliders, the welding has the dead lever between slider and the oil pump main part, the perpendicular cross-section of spout and slider is T type structure.

Preferably, the driving mechanism comprises a rotating shaft, a second bevel gear, a third gear and a bearing, the rotating shaft is fixedly sleeved on an inner ring of the bearing, the second bevel gear is fixedly connected to one end of the rotating shaft and is in meshing transmission with the first bevel gear, the third gear is fixedly connected to the right end of the rotating shaft and is in meshing transmission with the first gear.

Preferably, the back of gear plate rotates and is connected with first splint, and the bottom welding of first splint has the bottom plate, the back of second gear rotates and is connected with second splint, and the top and the oil pump main part welding of second splint.

Preferably, the welding has two backup pads between bottom plate and the oil pump main part, is located the right side seted up the connecting hole along its direction of height in the backup pad, and the connecting rod runs through the connecting hole, and the bearing with one backup pad fixed connection.

Preferably, the guider includes fixed block, guide bar and sleeve pipe, the fixed block welds with the top of oil pump main part, the right side welding of fixed block has the guide bar, the outside movable sleeve of guide bar is equipped with the sleeve pipe, and sheathed tube right-hand member and fly leaf fixed connection.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the guide device is arranged to guide the movable plate conveniently, so that the movable plate is prevented from generating eccentric force on the plunger when moving, the abrasion of the plunger and the pump is reduced, and the driving mechanism is convenient to drive the first gear to rotate, so that the cleaning mechanism is convenient to adjust to rotate and clean;

2. according to the invention, by installing the connecting rod, the gear disc, the second gear and the first bevel gear, when the movable plate moves back and forth along with the plunger, the connecting rod can be driven to move back and forth, the connecting rod drives the gear disc to rotate, the gear disc drives the second gear meshed with the gear disc to rotate, the second gear drives the first bevel gear to rotate, and the first bevel gear drives the first gear to rotate through the driving mechanism, so that the plunger can be conveniently cleaned by the cleaning mechanism in the first gear in a rotating manner, and the cleaning effect is improved;

in conclusion, the device is novel in design, easy operation makes things convenient for the plunger to drive cleaning mechanism rotatory when reciprocating motion to conveniently clean the plunger, reduce the wearing and tearing between plunger and the pump body, improve the leakproofness and the security of the pump body.

Drawings

Fig. 1 is a schematic front view of a through-shaft plunger high-pressure oil pump according to the present invention;

FIG. 2 is a schematic front view of a first gear of a through-shaft plunger high-pressure oil pump according to the present invention;

fig. 3 is a schematic structural diagram of a support plate of a through-shaft plunger high-pressure oil pump according to the present invention.

In the figure: the oil pump comprises an oil pump main body 1, a fixed block 2, a guide rod 3, a sleeve 4, a movable plate 5, a first gear 6, a sliding chute 7, a fixed rod 8, a sleeve 9, a spring 10, a movable rod 11, a brush plate 12, a mounting hole 13, a connecting rod 14, a gear disc 15, a second gear 16, a first bevel gear 17, a rotating shaft 18, a second bevel gear 19, a third gear 20, a support plate 21 and a bottom plate 22.

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.

Referring to fig. 1-3, a through-shaft plunger high-pressure oil pump comprises an oil pump main body 1 provided with a plunger, a movable plate 5 is fixedly connected to the end of the plunger of the oil pump main body 1, a guide device is arranged at the top of the oil pump main body 1, a first gear 6 is movably sleeved outside the plunger of the oil pump main body 1, two cleaning mechanisms are movably sleeved inside the first gear 6, a driving mechanism is arranged below the cleaning mechanisms, a connecting rod 14 hinged with the movable plate 5 is arranged below the driving mechanism, a gear disc 15 is rotatably connected to one end of the connecting rod 14 far away from the movable plate 5, a second gear 16 rotatably arranged at the bottom of the oil pump main body 1 is arranged above the gear disc, and the second gear 16 is in meshing transmission with the gear disc 15, a first bevel gear 17 is fixedly arranged on the front surface of the second gear 16, and the first bevel gear 17 and the first gear 6 are connected and driven through a driving mechanism.

In this embodiment, clean mechanism includes three sleeve 9, spring 10, movable rod 11 and brush board 12, and mounting hole 13 has been seted up to the inside of first gear 6, and sleeve 9 and mounting hole 13's internal weld, the inside cover of sleeve 9 are equipped with spring 10, and the one end that spring 10 is close to centre of a circle department is connected with movable rod 11, and the one end welding that spring 10 was kept away from to movable rod 11 has brush board 12.

In this embodiment, the first gear 6 is kept away from one side of the movable plate 5 and is provided with a sliding groove 7 along the circumferential direction, the sliding groove 7 is internally provided with two sliding blocks in a sliding manner, a fixing rod 8 is welded between the sliding blocks and the oil pump main body 1, and the sliding groove 7 and the sliding blocks are both of a T-shaped structure in vertical section.

In this embodiment, the driving mechanism includes a rotating shaft 18, a second bevel gear 19, a third gear 20 and a bearing, the rotating shaft 18 is fixedly sleeved on an inner ring of the bearing, one end of the rotating shaft 18 is fixedly connected with the second bevel gear 19, the second bevel gear 19 is in meshing transmission with the first bevel gear 17, the right end of the rotating shaft 18 is fixedly connected with the third gear 20, and the third gear 20 is in meshing transmission with the first gear 6.

In this embodiment, the back rotation of the gear plate 15 is connected with a first clamping plate, the bottom of the first clamping plate is welded with a bottom plate 22, the back rotation of the second gear 16 is connected with a second clamping plate, and the top of the second clamping plate is welded with the oil pump main body 1.

In this embodiment, two support plates 21 are welded between the bottom plate 22 and the oil pump body 1, a connecting hole is formed in the right support plate 21 along the height direction thereof, the connecting rod 14 penetrates through the connecting hole, and the bearing is fixedly connected with one support plate 21.

In this embodiment, guider includes fixed block 2, guide bar 3 and sleeve pipe 4, and fixed block 2 welds with the top of oil pump main part 1, and the right side welding of fixed block 2 has guide bar 3, and the outside movable sleeve of guide bar 3 is equipped with sleeve pipe 4, and sleeve pipe 4's right-hand member and fly leaf 5 fixed connection.

The working principle is that firstly, the sleeve 4 on the guiding device can move outside the guiding rod 3, so that the movable plate 5 can be conveniently guided, eccentric force on a plunger when the movable plate 5 moves is avoided, and abrasion of the plunger and a pump is reduced, the driving mechanism can conveniently drive the first gear 6 to rotate, so that the cleaning mechanism can be conveniently adjusted to rotate and clean, the spring 10 on the cleaning mechanism can extrude the movable rod 11 and the brush plate 12 to be close to each other, so that the brush plate 12 can conveniently clamp the plunger, the movable plate 5 can drive the connecting rod 14 to reciprocate when reciprocating along with the plunger, the connecting rod 14 drives the gear disc 15 to rotate, the gear disc 15 drives the second gear 16 meshed with the gear disc to rotate, the second gear 16 drives the first bevel gear 17 to rotate, the first bevel gear 17 drives the second bevel gear 19 meshed with the driving mechanism to rotate, and the gear 19 drives the rotating shaft 18 to rotate, the third gear 20 is driven by the rotating shaft 18 to rotate, the third gear 20 drives the first gear 6 meshed with the third gear to rotate, so that the plunger is conveniently cleaned in a rotating mode by a cleaning mechanism in the first gear 6, the cleaning effect is improved, the whole device is convenient for the plunger to drive the cleaning mechanism to rotate when the plunger moves in a reciprocating mode, the plunger is conveniently cleaned, abrasion between the plunger and the pump body is reduced, and the sealing performance and the safety of the pump body are improved.

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 considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.