Automobile hydraulic pump valve seat assembly structure

Abstract

The utility model discloses an automobile hydraulic pump valve seat assembly structure which comprises a valve seat, a valve plate and a filter screen plate, a first through hole is formed in the top face of the valve seat, a second through hole is formed in the bottom face of the valve seat, the valve plate makes contact with the inner top face of the second through hole, the bottom face of the valve plate is fixedly connected with one end of a spring, and the other end of the spring is fixedly connected with a round block. The two sides of the circular block are fixedly connected with one sides of fixing blocks correspondingly, and the other sides of the fixing blocks are fixedly connected with the inner wall of the second through hole. According to the utility model, the valve plate, the spring, the sliding rod, the circular block, the sliding hole and the like are arranged in the valve seat assembly, so that the beneficial effects that the oil inlet volume is increased, the return speed is accelerated, and the oil loss is reduced can be achieved, and the supporting annular plate, the filter screen plate, the positioning rod, the positioning hole, the fixing plate, the rotating shaft, the handle, the mounting rod, the threaded rod and the like are arranged; the filter screen plate is arranged at the oil inlet, so that the inlet oil can be filtered, the filter screen plate is convenient to disassemble and clean, the filter efficiency is prevented from being influenced by long-term use, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile hydraulic pump valve seat assemblies, in particular to an automobile hydraulic pump valve seat assembly structure. Background Art

[0002] Hydraulic pump valve seats are widely used in various hydraulic systems, such as: construction machinery, agricultural machinery, automobiles, aircraft, ships, machine tools, etc. Their application is mainly to control parameters such as hydraulic flow, pressure and direction to ensure the safe and stable operation of the system. The hydraulic pump valve seat is composed of a solid metal base and a valve. The valve can be divided into different forms such as spherical, conical and plate, depending on the type of pump and application.

[0003] For example, the Chinese utility model patent with the authorization announcement number CN202301013U discloses a valve seat assembly with a filter screen for a flow control valve of an automobile power steering pump, which is composed of a slide valve and a valve seat assembly arranged on the slide valve, a pressure regulating gasket is arranged between the slide valve and the valve seat, a slide valve valve hole and a slide valve oil hole are arranged in the slide valve, the slide valve valve hole is connected to the valve seat oil hole in the valve seat assembly, a cone valve is arranged in the slide valve hole, the valve seat assembly includes a valve seat and a valve seat oil hole arranged on the valve seat, an oil inlet is arranged at the end of the valve seat oil hole, a filter screen is arranged on the oil inlet, and the filter screen is fixed on the valve seat by a sealing ring. The utility model is suitable for automobiles.

[0004] However, the existing hydraulic pump valve seat assembly structure filters the incoming oil by providing a filter screen on the oil inlet. The filter screen is not easy to disassemble and clean, and long-term use is likely to affect the filtering efficiency.

[0005] For this reason, we propose an automobile hydraulic pump valve seat assembly structure for solving the above problems. Utility Model Content

[0006] The utility model aims to provide a vehicle hydraulic pump valve seat assembly structure to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automobile hydraulic pump valve seat assembly structure, comprising a valve seat, a valve plate, and a filter plate, wherein the top surface of the valve seat is provided with a through hole 1, the bottom surface of the valve seat is provided with a through hole 2, the valve plate contacts the inner top surface of the through hole 2, the bottom surface of the valve plate is fixedly connected to one end of a spring, the other end of the spring is fixedly connected to a circular block, the two sides of the circular block are respectively fixedly connected to one side of a fixed block, the other side of the fixed block is fixedly connected to the inner wall of the through hole 2, the bottom surface of the valve plate is fixedly connected to a sliding rod, the top surface of the circular block is provided with a sliding hole, and the sliding rod is slidably connected to the sliding hole;

[0008] The inner wall of the through hole one is fixedly connected to the supporting annular plate, and the two ends of the top surface of the supporting annular plate are respectively fixedly connected to positioning rods, and positioning holes are respectively provided at the two ends of the top surface of the filter plate, and the positioning holes are slidably connected to the positioning rods. The top surface of the filter plate is fixedly connected to multiple fixed plates, and a rotating shaft is fixedly connected between the sides of each two fixed plates close to each other. The outer surface of the rotating shaft is rotatably connected to a handle, and a through hole four is provided on the top surface of the handle. A through hole three is provided on the top surface of the filter plate, and a threaded groove is provided on the top surface of the supporting annular plate. The through holes three and four are slidably connected to the mounting rod, and the end of the mounting rod is fixedly connected to the threaded rod, and the threaded rod is threadedly connected to the threaded groove.

[0009] Preferably, a plurality of support plates are fixedly connected to the outer side of the valve plate, and the support plates are slidably connected to the second through hole.

[0010] Preferably, one side of each of the two fixing plates is fixedly connected to a limiting plate, and the handle contacts the limiting plate.

[0011] Preferably, the handle contacts the fixed plate.

[0012] Preferably, the spring is sleeved on the sliding rod, and the through hole 1 and the through hole 2 are internally connected.

[0013] Preferably, the top surface of the supporting annular plate contacts the filter plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model can achieve the beneficial effects of increasing the oil inlet volume, accelerating the return speed and reducing the oil loss by arranging the valve plate, spring, sliding rod, circular block, sliding hole and the like in the valve seat assembly; by arranging the supporting annular plate, filter plate, positioning rod, positioning hole, fixing plate, rotating shaft, handle, mounting rod, threaded rod and the like, the filter plate is arranged at the oil inlet to filter the incoming oil; and the filter plate is easy to disassemble, and the filter plate can be removed for cleaning to prevent long-term use from affecting the filtering efficiency, which is convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the front cross-sectional structure of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the utility model from another perspective;

[0019] Figure 4 This is a schematic diagram of the split structure of the utility model;

[0020] Figure 5 This is a schematic diagram of the split structure of the utility model;

[0021] Figure 6 This is a schematic diagram of the partial structure split structure of the utility model;

[0022] Figure 7 It is a schematic diagram of a front view cross-sectional structure of a local structure of the utility model.

[0023] In the figure: 1. valve seat; 2. through hole one; 3. through hole two; 4. valve plate; 5. support plate; 6. circular block; 61. fixed block; 62. sliding hole; 7. spring; 8. sliding rod; 9. supporting annular plate; 91. positioning rod; 92. threaded groove; 10. filter plate; 101. positioning hole; 102. through hole three; 11. fixed plate; 12. rotating shaft; 13. handle; 131. through hole four; 14. limit plate; 15. mounting rod; 151. threaded rod. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Embodiment 1:

[0026] See also Figure 1-7 , which is the first embodiment of the utility model. The utility model provides a technical solution: an automobile hydraulic pump valve seat assembly structure, including a valve seat 1, a valve plate 4, and a filter plate 10. The top surface of the valve seat 1 is provided with a through hole 1 2, and the bottom surface of the valve seat 1 is provided with a through hole 2 3. The valve plate 4 contacts the inner top surface of the through hole 2 3. The bottom surface of the valve plate 4 is fixedly connected to one end of a spring 7, and the other end of the spring 7 is fixedly connected to a circular block 6. Both sides of the circular block 6 are respectively fixedly connected to one side of a fixed block 61, and the other side of the fixed block 61 is fixedly connected to the inner wall of the through hole 2 3, so as to support and fix the circular block 6. The bottom surface of the valve plate 4 is fixedly connected to a sliding rod 8, and a sliding hole 62 is provided on the top surface of the circular block 6. The sliding rod 8 is slidably connected to the sliding hole 62, so as to improve the stability of the movement of the valve plate 4.

[0027] The inner wall of the through hole 12 is fixedly connected to the supporting annular plate 9, which can support the filter plate 10. The two ends of the top surface of the supporting annular plate 9 are respectively fixed to the positioning rods 91. The two ends of the top surface of the filter plate 10 are respectively provided with positioning holes 101. The positioning holes 101 are slidably connected to the positioning rods 91, and the filter plate 10 can be positioned and limited. The top surface of the filter plate 10 is fixedly connected to multiple fixed plates 11. The rotating shaft 12 is fixedly connected between the sides of each two fixed plates 11 that are close to each other. The outer surface of the rotating shaft 12 is rotatably connected to the handle 13. The handle 1 A through hole 4 131 is provided on the top surface of the filter plate 10, a through hole 3 102 is provided on the top surface of the support annular plate 9, a threaded groove 92 is provided on the top surface of the support annular plate 9, the through hole 3 102 and the through hole 4 131 are slidably connected to the mounting rod 15, the end of the mounting rod 15 is fixedly connected to the threaded rod 151, and the threaded rod 151 is threadedly connected to the threaded groove 92, the filter plate 10 can be fixed on the support annular plate 9 by the mounting rod 15 and the threaded rod 151, and after installation, the bottom surface of the rotating handle of the mounting rod 15 contacts the handle 13, which can be limited.

[0028] Embodiment 2:

[0029] See also Figure 1-7 , which is the second embodiment of the utility model. This embodiment is based on the previous embodiment. A plurality of support plates 5 are fixedly connected to the outer side of the valve plate 4. The support plates 5 are slidably connected to the through hole 2 3 to improve the stability of the movement of the valve plate 4 and increase the contact area with the top surface of the through hole 2 3.

[0030] One side of each of the two fixing plates 11 is fixedly connected to a limiting plate 14 , and the handle 13 contacts the limiting plate 14 . The handle 13 can be rotated when installing the filter plate 10 , and the rotation range of the handle 13 can be limited, which is convenient for installing the filter plate 10 .

[0031] The handle 13 contacts the fixing plate 11 , so that the handle 13 can be limited.

[0032] The spring 7 is sleeved on the sliding rod 8, and the through hole 1 2 and the through hole 2 3 are internally communicated.

[0033] The top surface of the supporting annular plate 9 contacts the filter plate 10 .

[0034] Embodiment 3:

[0035] See also Figure 1-7, which is the third embodiment of the utility model. This embodiment is based on the above two embodiments. When the utility model is actually used, the fluid enters through the through hole 1 2 and can flow in after being filtered by the filter plate 10, so that the valve plate 4 squeezes the spring 7, and the sliding rod 8 moves and slides in the sliding hole 62. The valve plate 4 and the support plate 5 move down and leave the top surface of the through hole 2 3. The fluid can enter the inside of the through hole 2 3 and flow out. When the work is finished, if the fluid flows back, the fluid pressure and the elastic force of the spring 7 push the valve plate 4 to the top surface of the through hole 2 3, so that the valve plate 4 is tightly It is tightly against the top surface of the through hole 2 3 to form a sealed space to prevent the fluid from flowing out of the through hole 1 2, which can increase the oil inlet volume, speed up the return speed and reduce the oil loss. When the filter plate 10 needs to be removed, the mounting rod 15 and the threaded rod 151 are rotated and unscrewed to release the limit fixation of the handle 13 and the filter plate 10. The filter plate 10 can be pulled upward by rotating the handle 13 for removal. The filter plate 10 is easy to disassemble and easy to remove for cleaning to prevent long-term use from affecting the filtering efficiency, and is convenient to use.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A valve seat assembly structure for an automobile hydraulic pump, comprising a valve seat (1), a valve plate (4), and a filter plate (10), Features: The top surface of the valve seat (1) is provided with a through hole one (2), the bottom surface of the valve seat (1) is provided with a through hole two (3), the valve plate (4) contacts the inner top surface of the through hole two (3), the bottom surface of the valve plate (4) is fixedly connected to one end of a spring (7), the other end of the spring (7) is fixedly connected to a circular block (6), both sides of the circular block (6) are respectively fixedly connected to one side of a fixed block (61), the other side of the fixed block (61) is fixedly connected to the inner wall of the through hole two (3), the bottom surface of the valve plate (4) is fixedly connected to a sliding rod (8), the top surface of the circular block (6) is provided with a sliding hole (62), and the sliding rod (8) is slidably connected to the sliding hole (62); The inner wall of the through hole 1 (2) is fixedly connected to a supporting annular plate (9), and the two ends of the top surface of the supporting annular plate (9) are respectively fixedly connected to positioning rods (91). The two ends of the top surface of the filter plate (10) are respectively provided with positioning holes (101), and the positioning holes (101) are slidably connected to the positioning rods (91). The top surface of the filter plate (10) is fixedly connected to a plurality of fixing plates (11), and a rotating shaft (12) is fixedly connected between the sides of each two fixing plates (11) that are close to each other. The rotating shaft (12) ) is rotatably connected to a handle (13) on its outer surface, the handle (13) is provided with a through hole four (131) on its top surface, the filter plate (10) is provided with a through hole three (102) on its top surface, the support annular plate (9) is provided with a threaded groove (92) on its top surface, the through hole three (102) and the through hole four (131) are slidably connected to a mounting rod (15), the end of the mounting rod (15) is fixedly connected to a threaded rod (151), and the threaded rod (151) is threadedly connected to the threaded groove (92).

2. The automotive hydraulic pump valve seat assembly structure according to claim 1, Features: A plurality of support plates (5) are fixedly connected to the outer side of the valve plate (4), and the support plates (5) are slidably connected to the second through hole (3).

3. The automotive hydraulic pump valve seat assembly structure according to claim 1, Features: One side of each of the two fixing plates (11) is fixedly connected to a limiting plate (14), and the handle (13) contacts the limiting plate (14).

4. The automotive hydraulic pump valve seat assembly structure according to claim 1, Features: The handle (13) contacts the fixing plate (11).

5. The automobile hydraulic pump valve seat assembly structure according to claim 1, Features: The spring (7) is sleeved on the sliding rod (8), and the through hole 1 (2) and the through hole 2 (3) are internally connected.

6. The automobile hydraulic pump valve seat assembly structure according to claim 1, Features: The top surface of the supporting annular plate (9) contacts the filter plate (10).

Images