Oil pump cover convenient to disassemble and assemble

Abstract

The utility model discloses an oil pump cover convenient to disassemble and assemble, relates to the technical field of pump covers, and aims to solve the problems that in the prior art, the pump cover of an oil pump is fixed in a screw mode when being installed, so that the pump cover of the oil pump needs to be disassembled and assembled by using an additional tool, the disassembling and assembling process is tedious, and the assembling and disassembling efficiency is high. And the pump cover of the oil pump is inconvenient to disassemble and assemble. The oil pump comprises an oil pump body, a cover groove is formed in the front end of the oil pump body, a pump cover body is arranged in the cover groove, four fixing grooves are formed in the outer side of the front end face of the pump cover body, and the four fixing grooves are distributed in the four directions of the pump cover body correspondingly. Four sealing plates are arranged at the front end of the oil pump body along the outer side of the pump cover body, and the four sealing plates correspond to the four fixing grooves in position.

Description

Technical Field

[0001] The utility model relates to the technical field of pump covers, in particular to an oil pump cover which is easy to disassemble and assemble. Background Art

[0002] The oil pump is a key component in the automobile lubrication system. Its function is to increase the oil pressure to a certain level and force it to the moving surfaces of the engine parts to ensure the lubrication of the engine. The oil pump is usually installed at the bottom of the engine cylinder block, extracts the oil from the oil pan, and discharges it to the lubrication oil circuit after pressurization. In the lubrication system, the oil pump is the power source for the circulation of the oil, which is essential for the normal operation of the engine. The pump cover of the oil pump is used to seal the cover of the oil pump;

[0003] For example, the patent with announcement number CN218207044U (an oil pump cover): comprises a cover body, a plurality of mounting holes are formed on the cover body, a cavity is formed on the rear side of the cover body, an axial hole is formed on the inner wall of the front side of the cavity, an oil seal is fixedly connected to the inner wall of the axial hole, a sealing ring is fixedly connected to the rear side of the cover body, and a pressure relief mechanism is provided on the front side of the cover body;

[0004] Although the above-mentioned prior art can relieve the pressure inside the oil pump to prevent damage to the oil circuit and internal components of the oil pump caused by excessive oil pressure, the oil pump cover is fixed by screws during installation, so that additional tools are required for disassembly and assembly of the oil pump cover. The disassembly and assembly process is cumbersome and inconvenient for the convenience of disassembly and assembly of the oil pump cover. Therefore, the market urgently needs to develop an oil pump cover that is easy to disassemble and assemble to help people solve the existing problems. Utility Model Content

[0005] The purpose of the utility model is to provide an oil pump cover that is easy to disassemble and assemble, so as to solve the problem proposed in the above background technology that the oil pump cover is fixed by means of screws during installation, so that additional tools are needed for disassembly and assembly of the oil pump cover, the disassembly and assembly process is cumbersome, and it is not convenient to disassemble and assemble the oil pump cover.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an oil pump cover that is easy to disassemble and assemble, comprising an oil pump body, a cover groove is provided at the front end of the oil pump body, a pump cover body is provided inside the cover groove, a fixing groove is provided on the outer side of the front end surface of the pump cover body, and four fixing grooves are provided, and the four fixing grooves are respectively distributed at four positions of the pump cover body, a sealing plate is provided at the front end of the oil pump body along the outer side of the pump cover body, and four sealing plates are provided, and the four sealing plates respectively correspond to the positions of the four fixing grooves, a gasket is fixedly installed on the side of the sealing plate facing the oil pump body, a turntable is provided on the other side of the sealing plate, a fixing screw is fixedly installed on the side of the turntable facing the sealing plate, the fixing screw passes through the sealing plate and the gasket and is threadedly connected to the oil pump body, and a pressure plate is fixedly installed on the outer side of the fixing screw along one side of the sealing plate.

[0007] Preferably, a pump hole is provided inside the oil pump body along one side of the cover groove, and the pump hole is communicated with the cover groove, and an annular groove is provided along the outer side of the pump hole on one side of the cover groove, and the annular groove is communicated with the cover groove.

[0008] Preferably, a sealing ring is provided inside the annular groove, the sealing ring is fixedly connected to the pump cover body, a second ring gasket is fixedly installed on the inner side of the sealing ring, and a first ring gasket is provided on the side of the pump cover body facing the oil pump body.

[0009] Preferably, a pressure relief cylinder is fixedly mounted on the front end of the pump cover body, a pressure relief hole is arranged inside the pump cover body along one side of the pressure relief cylinder, and the pressure relief hole is communicated with the pressure relief cylinder.

[0010] Preferably, a compression spring is fixedly mounted on one side of the pressure relief cylinder, a mounting plate is fixedly mounted on one side of the compression spring, a sealing piston is fixedly mounted on one side of the mounting plate, and an oil blocking plate is fixedly mounted on one side of the sealing piston.

[0011] Preferably, an outflow hole is provided at the lower end of the pressure relief cylinder, an output pipe is fixedly installed below the pressure relief cylinder, and the output pipe is communicated with the outflow hole.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model arranges four fixing grooves on the front end surface of the pump cover body, and arranges four sealing plates corresponding to the positions of the fixing grooves along the outer side of the pump cover body at the front end of the oil pump body. When the pump cover body is installed on the oil pump body, the pump cover body is placed in the cover groove and then the sealing plate is rotated so that the sealing plate is placed in the fixing groove of the pump cover body. This can restrict and fix the pump cover body, increase the convenience of installation and disassembly of the pump cover body, and facilitate the disassembly and assembly of the oil pump cover.

[0014] The utility model provides a sealing ring and a second ring gasket on the inner side of the sealing ring, so that the sealing performance between the pump cover body and the oil pump body can be increased, thereby improving the practicality.

[0015] The utility model has a pressure relief cylinder, wherein a compression spring, a mounting plate, a sealing piston and an oil baffle are arranged inside the pressure relief cylinder, so that when the oil pressure inside the oil pump is too high, compression can be performed by pressing the compression spring, thereby causing the sealing piston to move to open the outflow hole for pressure relief, thereby increasing the ability of the oil pump to automatically relieve pressure when the internal oil pressure is too high, which is beneficial to the stability of the oil pump operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a front view of an oil pump cover that is easy to disassemble and assemble according to the utility model;

[0017] Figure 2 This is the formal diagram of the pump cover body of the utility model;

[0018] Figure 3 It is a side view of the sealing plate of the utility model;

[0019] Figure 4 It is a right side sectional view of the pump cover body of the utility model;

[0020] Figure 5 It is an enlarged schematic diagram of the A part of the utility model;

[0021] Figure 6 It is a side sectional view of the connection portion between the oil pump body and the pump cover body of the utility model.

[0022] In the figure: 1. oil pump body; 101. pump hole; 102. cover groove; 103. ring groove; 2. pump cover body; 201. fixing groove; 202. pressure relief hole; 3. sealing plate; 4. pressure relief cylinder; 401. outflow hole; 5. cushion block; 6. fixing screw; 7. turntable; 8. pressure plate; 9. compression spring; 10. mounting plate; 11. sealing piston; 12. oil baffle; 13. output pipe; 14. sealing ring; 15. first ring gasket; 16. second ring gasket. DETAILED DESCRIPTION

[0023] 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 of the embodiments.

[0024] See also Figure 1-6The utility model provides an embodiment of an oil pump cover that is easy to disassemble and assemble, comprising an oil pump body 1, a cover groove 102 is provided at the front end of the oil pump body 1, a pump cover body 2 is provided inside the cover groove 102, a fixing groove 201 is provided on the outer side of the front end surface of the pump cover body 2, and four fixing grooves 201 are provided, and the four fixing grooves 201 are respectively distributed at four positions of the pump cover body 2, a sealing plate 3 is provided at the front end of the oil pump body 1 along the outer side of the pump cover body 2, and four sealing plates 3 are provided, and the four sealing plates 3 correspond to the positions of the four fixing grooves 201 respectively, a cushion block 5 is fixedly installed on the sealing plate 3 facing the side of the oil pump body 1, a turntable 7 is provided on the other side of the sealing plate 3, a fixing screw 6 is fixedly installed on the turntable 7 facing the side of the sealing plate 3, the fixing screw 6 penetrates the sealing plate 3 and the cushion block 5 and is threadedly connected with the oil pump body 1, and a pressure plate 8 is fixedly installed on the outer side of the fixing screw 6 along one side of the sealing plate 3.

[0025] During use, when the pump cover body 2 is installed on the oil pump body 1, the pump cover body 2 is placed in the cover groove 102, and then the sealing plate 3 is rotated so that the sealing plate 3 is placed into the fixing groove 201 of the pump cover body 2. This can restrict and fix the pump cover body 2, increase the convenience of installation and disassembly of the pump cover body 2, and facilitate the convenience of disassembly and assembly of the oil pump cover.

[0026] Furthermore, a pump hole 101 is provided inside the oil pump body 1 along one side of the cover groove 102, and the pump hole 101 is communicated with the cover groove 102, a ring groove 103 is provided on one side of the cover groove 102 along the outer side of the pump hole 101, and the ring groove 103 is communicated with the cover groove 102, a sealing ring 14 is provided inside the ring groove 103, the sealing ring 14 is fixedly connected to the pump cover body 2, a second ring gasket 16 is fixedly installed on the inner side of the sealing ring 14, and a first ring gasket 15 is provided on the side of the pump cover body 2 facing the oil pump body 1, and the provision of the first ring gasket 15 and the second ring gasket 16 can increase the sealing between the pump cover body 2 and the oil pump body 1, thereby improving the practicality.

[0027] Furthermore, a pressure relief cylinder 4 is fixedly installed at the front end of the pump cover body 2, a pressure relief hole 202 is provided inside the pump cover body 2 along one side of the pressure relief cylinder 4, and the pressure relief hole 202 is connected to the pressure relief cylinder 4, a compression spring 9 is fixedly installed on one side of the inside of the pressure relief cylinder 4, a mounting plate 10 is fixedly installed on one side of the compression spring 9, a sealing piston 11 is fixedly installed on one side of the mounting plate 10, and an oil blocking plate 12 is fixedly installed on one side of the sealing piston 11, so that during the operation of the oil pump, if the internal oil pressure of the oil pump is too high, the compression spring 9 can be pressed to compress it, so that the sealing piston 11 moves to open the outflow hole 401 for pressure relief, thereby increasing the ability of the oil pump to automatically relieve pressure when the internal oil pressure is too high, which is beneficial to the stability of the oil pump operation.

[0028] Furthermore, an outflow hole 401 is provided at the lower end of the pressure relief cylinder 4, and an output pipe 13 is fixedly installed below the pressure relief cylinder 4. The output pipe 13 is externally connected to an oil collection box for convenient storage of discharged oil, and the output pipe 13 is connected to the outflow hole 401, which is beneficial to the discharge of the oil flowing out of the oil pump when the oil is relieved, thereby increasing practicality.

[0029] Working principle: During use, when the pump cover body 2 is installed, the pump cover body 2 is placed in the cover groove 102, and the four fixed grooves 201 on the pump cover body 2 correspond to the positions of the four sealing plates 3 respectively, and then the sealing plate 3 is rotated to make the sealing plate 3 face the fixed groove 201, and then the fixing screw 6 is tightened by the turntable 7 to make the pressure plate 8 press the sealing plate 3 tightly, so that the sealing plate 3 is placed in the fixed groove 201 of the pump cover body 2, and the pump cover body 2 is restricted and fixed, which increases the convenience of installation of the pump cover body and is beneficial to the convenience of disassembly and assembly of the oil pump cover. At the same time, during the operation of the oil pump, if the internal oil pressure of the oil pump is too high, the compression spring 9 can be pressed to compress it, so that the sealing piston 11 moves to open the outflow hole 401 for pressure relief, thereby increasing the ability of the oil pump to automatically relieve pressure when the internal oil pressure is too high, which is beneficial to the stability of the oil pump operation.

[0030] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. An oil pump cover that is easy to disassemble and assemble, comprising an oil pump body (1), characterized in that: The front end of the oil pump body (1) is provided with a cover groove (102), a pump cover body (2) is provided inside the cover groove (102), a fixing groove (201) is provided on the outer side of the front end surface of the pump cover body (2), and four fixing grooves (201) are provided, and the four fixing grooves (201) are respectively distributed at four positions of the pump cover body (2), and a sealing plate (3) is provided at the front end of the oil pump body (1) along the outer side of the pump cover body (2), and four sealing plates (3) are provided, and the four sealing plates (201) are respectively distributed at four positions of the pump cover body (2). The plate (3) corresponds to the positions of the four fixing grooves (201) respectively; a cushion block (5) is fixedly mounted on the side of the sealing plate (3) facing the oil pump body (1); a turntable (7) is arranged on the other side of the sealing plate (3); a fixing screw (6) is fixedly mounted on the side of the turntable (7) facing the sealing plate (3); the fixing screw (6) passes through the sealing plate (3) and the cushion block (5) and is threadedly connected to the oil pump body (1); a pressure plate (8) is fixedly mounted on the outer side of the fixing screw (6) along one side of the sealing plate (3).

2. The oil pump cover that is easy to disassemble and assemble according to claim 1 is characterized in that: A pump hole (101) is provided inside the oil pump body (1) along one side of the cover groove (102), and the pump hole (101) is communicated with the cover groove (102); an annular groove (103) is provided on one side of the cover groove (102) along the outer side of the pump hole (101), and the annular groove (103) is communicated with the cover groove (102).

3. The oil pump cover that is easy to disassemble and assemble according to claim 2, characterized in that: A sealing ring (14) is arranged inside the annular groove (103), the sealing ring (14) is fixedly connected to the pump cover body (2), a second ring gasket (16) is fixedly mounted on the inner side of the sealing ring (14), and a first ring gasket (15) is arranged on the side of the pump cover body (2) facing the oil pump body (1).

4. The oil pump cover that is easy to disassemble and assemble according to claim 1 is characterized in that: A pressure relief cylinder (4) is fixedly mounted on the front end of the pump cover body (2), a pressure relief hole (202) is provided inside the pump cover body (2) along one side of the pressure relief cylinder (4), and the pressure relief hole (202) is communicated with the pressure relief cylinder (4).

5. The oil pump cover that is easy to disassemble and assemble according to claim 4, characterized in that: A compression spring (9) is fixedly mounted on one side of the pressure relief cylinder (4), a mounting plate (10) is fixedly mounted on one side of the compression spring (9), a sealing piston (11) is fixedly mounted on one side of the mounting plate (10), and an oil blocking plate (12) is fixedly mounted on one side of the sealing piston (11).

6. The oil pump cover that is easy to disassemble and assemble according to claim 5, characterized in that: An outflow hole (401) is provided at the lower end of the pressure relief cylinder (4), and an output pipe (13) is fixedly installed below the pressure relief cylinder (4), and the output pipe (13) is in communication with the outflow hole (401).

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