An improved high-pressure oil pump for automobiles

Abstract

The present invention discloses an improved high-pressure oil pump for automobiles, comprising an oil pump body, an oil inlet pipe is arranged above the oil pump body, a plug pipe connected to the oil inlet pipe is welded at the bottom of the oil inlet pipe, an oil receiving pipe welded to the oil pump body is movably sleeved at the bottom end of the plug pipe, a sealing plate fixedly sleeved on the outer ring of the plug pipe is arranged above the oil receiving pipe, two extrusion rods are slidably arranged at the top of the sealing plate, a fixed rod welded to the oil pump body is arranged on the side away from each other of the two sealing plates, a pressure plate is hinged at the top of the fixed rod, the pressure plate can abut and apply pressure to the extrusion rod, a movable plate is arranged above the pressure plate, four connecting rods are fixedly connected to the top of the movable plate, a lifting plate is welded to the top of the connecting rod, and an extrusion device is arranged on the outer sleeve of the lifting plate. It is convenient to fix and disassemble multiple oil inlet pipes at the same time, reduce the maintenance time of the oil pump, and improve the efficiency of assembly and disassembly.

Description

Technical Field

[0001] The invention relates to the technical field of high-pressure oil pumps, and in particular to an improved high-pressure oil pump for automobiles. Background Art

[0002] The oil pump is a light and compact pump, which is classified into three categories: in-line type, distributed type and single-body type. The oil pump needs a power source to operate, and the camshaft at the bottom of the oil pump is driven by the engine crankshaft gear. An oil pump having a housing made of aluminum-containing material and a movable molded part arranged in the housing, wherein the movable molded part is at least partially made of a sinterable iron-based alloy material containing at least one austenite, and wherein the molded part made of a sinterable material has a thermal expansion coefficient of at least 60% of the thermal expansion coefficient of the housing. For a high-pressure oil pump for an automobile, a plurality of oil inlet pipes are generally provided, and the plurality of oil inlet pipes are installed and fixed in an independent installation manner. However, such installation and removal are time-consuming and labor-intensive, and it is impossible to install and remove a plurality of oil pipes at the same time, which brings inconvenience to the maintenance of the oil pump. For this reason, we propose an improved high-pressure oil pump for an automobile. Summary of the invention

[0003] The improved high-pressure oil pump for automobiles proposed by the present invention solves the problem that the existing high-pressure oil pump for automobiles needs to be independently disassembled and assembled when connected to an oil inlet pipe, which brings inconvenience to the installation and maintenance of the oil pump.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions:

[0005] An improved high-pressure oil pump for automobiles comprises an oil pump body, an oil inlet pipe is arranged above the oil pump body, a plug pipe connected to the oil inlet pipe is welded to the bottom of the oil inlet pipe, an oil connecting pipe welded to the oil pump body is movably sleeved on the bottom end of the plug pipe, a sealing plate is arranged on the outer ring of the plug pipe on the top of the oil connecting pipe, two extrusion rods are slidably arranged on the top of the sealing plate, a fixing rod welded to the oil pump body is arranged on the side away from each other of the two sealing plates, a pressure plate is hinged on the top of the fixing rod, a movable plate is arranged above the pressure plate, four connecting rods are fixedly connected to the top of the movable plate, a lifting plate is welded to the top of the connecting rod, and an extrusion device is arranged on the outer sleeve of the lifting plate.

[0006] Preferably, the extrusion device includes a mounting plate, a mounting hole, a screw and a handle, the top of the lifting plate is rotatably connected to the screw, and the screw is threadedly sleeved with the mounting plate, and a handle is welded to the top of the screw.

[0007] Preferably, a mounting hole is opened in the mounting plate along its height direction, and the lifting plate is movably sleeved in the mounting hole, a bearing is fixedly connected to the top of the lifting plate, and a screw is fixedly sleeved in the inner ring of the bearing.

[0008] Preferably, a disc is welded to the bottom of the mounting plate, a through hole is opened inside the disc, and the oil inlet pipe passes through the through hole, a support rod is welded to the bottom of the disc, and the bottom end of the support rod is welded to the oil pump body.

[0009] Preferably, a slide groove is provided on the top of the sealing plate along its circumference, two sliders are slidably installed inside the slide groove, and the tops of the sliders are welded to the extrusion rods, and the vertical sections of the slide groove and the sliders are both T-shaped structures.

[0010] Preferably, a U-shaped groove is provided on the pressure plate, plug holes penetrating the pressure plate are provided on both sides of the U-shaped groove, a limit rod is provided in the internal movable sleeve of the plug hole, and the top end of the limit rod is welded to the movable plate.

[0011] Preferably, a rubber pad is bonded to the bottom of the sealing plate.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. The present invention installs a sealing plate, a slider, an extrusion rod, a fixing rod and a pressing plate, wherein the extrusion rod can slide circumferentially on the sealing plate, so that it is convenient to adjust the position of the extrusion rod, thereby facilitating the pressing plate to act on the extrusion rod, which is convenient for subsequent fixing;

[0014] 2. The present invention is provided with structures such as a mounting disc, a mounting plate, a screw, a lifting plate, a movable plate, a connecting rod and a handle, wherein the screw is rotated to rotate the handle, and the screw drives the lifting plate to move up and down, and the lifting plate drives the movable plate to move through the connecting rod, so that the movable plate can press the pressing plate downward, thereby sealing the sealing plate;

[0015] In summary, the device has novel design, simple operation, and is convenient for fixing and disassembling multiple oil inlet pipes at the same time, which reduces the time for oil pump maintenance and improves the efficiency of assembly and disassembly, making it suitable for market promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view structural schematic diagram of an improved high-pressure oil pump for automobiles proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of the front view structure of a mounting plate, a disc and a screw of an improved high-pressure oil pump for an automobile proposed by the present invention;

[0018] Figure 3This is a schematic diagram of the top view of the sealing plate of an improved high-pressure oil pump for an automobile proposed by the present invention;

[0019] Figure 4 This is a partial enlarged structural schematic diagram of an improved high-pressure oil pump for automobiles proposed by the present invention;

[0020] Figure 5 The present invention is a schematic diagram of a top view of a pressure plate of an improved high-pressure oil pump for an automobile.

[0021] In the figure: 1 oil pump body, 2 oil inlet pipe, 3 plug pipe, 4 oil connecting pipe, 5 sealing plate, 6 slide groove, 7 slider, 8 extrusion rod, 9 fixed rod, 10 pressure plate, 11 movable plate, 12 connecting rod, 13 lifting plate, 14 mounting plate, 15 disc, 16 support rod, 17 mounting hole, 18 screw rod, 19 handle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0023] Reference Figure 1-5 An improved high-pressure oil pump for automobiles comprises an oil pump body 1, an oil inlet pipe 2 is arranged above the oil pump body 1, a plug pipe 3 connected to the oil inlet pipe 2 is welded to the bottom of the oil inlet pipe 2, an oil receiving pipe 4 welded to the oil pump body 1 is movably sleeved at the bottom end of the plug pipe 3, a sealing plate 5 fixedly sleeved on the outer ring of the plug pipe 3 is arranged above the oil receiving pipe 4, two extrusion rods 8 are slidably arranged on the top of the sealing plate 5, a fixing rod 9 welded to the oil pump body 1 is arranged on the side of the two sealing plates 5 away from each other, a pressure plate 10 is hinged at the top of the fixing rod 9, a movable plate 11 is arranged above the pressure plate 10, four connecting rods 12 are fixedly connected to the top of the movable plate 11, a lifting plate 13 is welded to the top of the connecting rod 12, and an extrusion device is sleeved on the outer sleeve of the lifting plate 13.

[0024] In this embodiment, the extrusion device includes a mounting plate 14, a mounting hole 17, a screw 18 and a handle 19. The top of the lifting plate 13 is rotatably connected to the screw 18, and the screw 18 is threadedly connected to the mounting plate 14. The handle 19 is welded to the top of the screw 18.

[0025] In this embodiment, a mounting hole 17 is opened in the mounting plate 14 along its height direction, and the lifting plate 13 is movably sleeved in the mounting hole 17. A bearing is fixedly connected to the top of the lifting plate 13, and a screw 18 is fixedly sleeved on the inner ring of the bearing.

[0026] In this embodiment, a disc 15 is welded to the bottom of the mounting plate 14 , a through hole is opened inside the disc 15 , and the oil inlet pipe 2 passes through the through hole, a support rod 16 is welded to the bottom of the disc 15 , and the bottom end of the support rod 16 is welded to the oil pump body 1 .

[0027] In this embodiment, a slide groove 6 is provided at the top of the sealing plate 5 along its circumference, two sliders 7 are slidably installed inside the slide groove 6, and the top of the slider 7 is welded to the extrusion rod 8. The vertical sections of the slide groove 6 and the slider 7 are both T-shaped structures.

[0028] In this embodiment, a U-shaped groove is provided on the pressing plate 10 , and plug holes penetrating the pressing plate 10 are provided on both sides of the U-shaped groove. A limit rod is provided inside the plug hole, and the top end of the limit rod is welded to the movable plate 11 .

[0029] In this embodiment, a rubber pad is bonded to the bottom of the sealing plate 5 .

[0030] Working principle: first, insert the plug tube 3 into the oil receiving pipe 4. At this time, the oil inlet pipe 2 is sleeved in the disc 15. Then adjust the position of the two extrusion rods 8 on the sealing plate 5. The extrusion rods 8 can slide circumferentially on the sealing plate 5 through the slider 7, which makes it convenient to adjust the position of the extrusion rods 8. When installing, adjust the two extrusion rods 8 to the same longitudinal vertical plane, that is, adjust them to the adjacent Figure 1 After the middle extrusion rod 8 is in position, it is convenient for the pressure plate 10 to act on the extrusion rod 8, which is convenient for subsequent fixation, and then the handle 19 is turned, the handle 19 drives the screw 18 to rotate, and the screw 18 drives the lifting plate 13 to move up and down, and the lifting plate 13 drives the movable plate 11 to move through the connecting rod 12, so that it is convenient for the movable plate 11 to squeeze the pressure plate 10, so that the pressure plate 10 can be pressed downward, thereby allowing the sealing plate 5 to seal the oil connecting pipe 4. Similarly, when disassembling, the screw 18 can be rotated in the opposite direction. The whole device is convenient for fixing and disassembling multiple plug-in pipes 3 at the same time, reducing the time for oil pump maintenance, improving the efficiency of assembly and disassembly, and is suitable for market promotion.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An improved high-pressure oil pump for automobiles, comprising an oil pump body (1), characterized in that: An oil inlet pipe (2) is provided above the oil pump body (1), a plug pipe (3) connected to the oil inlet pipe (2) is welded to the bottom of the oil inlet pipe (2), an oil receiving pipe (4) welded to the oil pump body (1) is movably sleeved on the bottom end of the plug pipe (3), a sealing plate (5) fixedly sleeved on the outer ring of the plug pipe (3) is provided above the oil receiving pipe (4), two extrusion rods (8) are slidably provided on the top of the sealing plate (5), a fixing rod (9) welded to the oil pump body (1) is provided on the side away from each other of the two sealing plates (5), a pressure plate (10) is hinged on the top of the fixing rod (9), the pressure plate (10) can abut and apply pressure to the extrusion rod (8), a movable plate (11) is provided above the pressure plate (10), four connecting rods (12) are fixedly connected to the top of the movable plate (11), a lifting plate (13) is welded to the top of the connecting rod (12), and an extrusion device is sleeved on the outside of the lifting plate (13); The extrusion device comprises a mounting plate (14), a mounting hole (17), a screw (18) and a handle (19); the top of the lifting plate (13) is rotatably connected with the screw (18), and the screw (18) and the mounting plate (14) are sleeved by threads; the top of the screw (18) is welded with the handle (19); The mounting plate (14) is provided with a mounting hole (17) along its height direction, and the lifting plate (13) is movably sleeved in the mounting hole (17). The top of the lifting plate (13) is fixedly connected to a bearing, and the screw (18) is fixedly sleeved on the inner ring of the bearing.

2. The improved high-pressure oil pump for automobile according to claim 1, characterized in that: A disc (15) is welded to the bottom of the mounting plate (14), a through hole is provided inside the disc (15), and the oil inlet pipe (2) passes through the through hole, a support rod (16) is welded to the bottom of the disc (15), and the bottom end of the support rod (16) is welded to the oil pump body (1).

3. The improved high-pressure oil pump for automobile according to claim 1, characterized in that: A slide groove (6) is provided at the top of the sealing plate (5) along its circumference, two sliders (7) are slidably mounted inside the slide groove (6), and the tops of the sliders (7) are welded to the extrusion rods (8), and the vertical sections of the slide groove (6) and the sliders (7) are both T-shaped structures.

4. The improved high-pressure oil pump for automobile according to claim 1, characterized in that: The pressing plate (10) is provided with a U-shaped groove, and both sides of the U-shaped groove are provided with plug holes penetrating the pressing plate (10). A limit rod is movablely sleeved inside the plug hole, and the top end of the limit rod is welded to the movable plate (11).

5. The improved high-pressure oil pump for automobile according to claim 1, characterized in that: A rubber pad is bonded to the bottom of the sealing plate (5).

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