Pump body with impurity filtering function

Abstract

The utility model discloses a pump body with an impurity filtering function, which is applied to the technical field of automobile parts, and is characterized in that a fixing rod is retracted into a connecting block by moving a fixing block, a first spring is compressed, and then a filter screen is moved to clamp the connecting block into a connecting groove; a sealing ring is mounted in a mounting groove, an arc-shaped block is extruded to compress a second spring, when the sealing ring moves to the bottom of the mounting groove, the arc-shaped block is automatically clamped into the arc-shaped groove, the arc-shaped block is automatically clamped into the arc-shaped groove, the arc-shaped block is automatically clamped into the arc-shaped groove, the arc-shaped block is automatically clamped into the arc-shaped groove, and the arc-shaped block is automatically clamped into the arc-shaped groove when the arc-shaped block moves to the bottom of the arc-shaped groove; the sealing performance between the filter screen and the liquid inlet end can be improved through the sealing ring, and impurities are prevented from entering the pump body.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts, and particularly relates to a pump body with an impurity filtering function. Background Art

[0002] Hydraulic pumps are essential in automotive powertrains, primarily used for fluid transport and energy conversion within the hydraulic system. Through mechanical motion, a hydraulic pump draws liquid (usually oil) from a low-pressure area, compresses it through a working chamber in a high-pressure area, and ultimately delivers the compressed liquid to a high-pressure area, thereby achieving fluid transport and conversion.

[0003] At present, the Chinese utility model with the announcement number CN210258544U discloses a multi-stage dust-proof automobile power steering oil pump, which relates to the field of automobile parts technology. The liquid inlet end of the device lacks the function of filtering the oil. The oil enters the pump body directly from the liquid inlet end. The impurity particles in the oil filter clog the oil filter in the pump, causing cavitation in the pump body or causing multiple concurrent failures. Utility Model Content

[0004] In order to overcome the problem that the oil filter in the existing pump is blocked by foreign matter particles, the utility model provides a pump body with a foreign matter filtering function.

[0005] The technical solution of the utility model to solve the technical problem is: a pump body with impurity filtering function, including a hydraulic pump body, a liquid inlet end is opened on one side of the hydraulic pump body, a filter is set on the inner wall of the liquid inlet end, a connecting block is fixedly connected to one side of the filter, a connecting groove is opened on one side of the inner wall of the hydraulic pump body, an installation groove is opened on the other side of the inner wall of the hydraulic pump body, and a sealing ring is set on the inner wall of the installation groove.

[0006] Adopt the above technical solution: move the filter screen to insert the connecting block into the connecting groove, thereby installing the filter screen in the liquid inlet end, and filtering impurities in the oil through the filter screen: install the sealing ring into the installation groove, and the sealing ring can improve the sealing between the filter screen and the liquid inlet end, preventing impurities from entering the pump body.

[0007] The utility model is further configured as follows: the hydraulic pump body comprises a base, a positioning block and a positioning hole; the bottom of the hydraulic pump body is fixedly connected with the base and the positioning block respectively; the inner wall of the positioning block is provided with a positioning hole.

[0008] Adopting the above technical solution makes it easy to fix the hydraulic pump body.

[0009] The utility model is further configured as follows: the connecting block includes a fixing rod, a fixing block, a first spring, a fixing hole and a slider; the inner wall of the connecting block is slidably connected to the fixing rod; one end of the fixing rod is fixedly connected to the fixing block; there are two fixing blocks; and one side of the fixing block is fixedly connected to the first spring.

[0010] The present invention is further configured such that an inner wall of the hydraulic pump body is provided with a fixing hole used in conjunction with a fixing rod.

[0011] Adopting the above technical solution: it is convenient to fix the filter screen in the liquid inlet end.

[0012] The utility model is further configured such that a sliding block is fixedly connected to one side of the fixed block, and a sliding groove used in conjunction with the sliding block is provided on the inner wall of the hydraulic pump body.

[0013] By adopting the above technical solution, the fixed block can maintain stable movement.

[0014] The utility model is further configured as follows: the sealing ring includes an arc groove, an arc block, a guide rod, a second spring and a guide groove; the inner wall of the sealing ring is provided with an arc groove; the inner wall of the hydraulic pump body is slidably connected with an arc block; one end of the arc block is fixedly connected with the guide rod; and a second spring is provided on the outer side of the guide rod.

[0015] Adopting the above technical solution makes it easy to fix the sealing ring in the liquid inlet end.

[0016] The utility model is further configured such that a guide groove is provided on the inner wall of the hydraulic pump body, and the inner wall of the guide groove is slidably connected to the outer side of the guide rod.

[0017] By adopting the above technical solution, the arc-shaped block can maintain stable movement.

[0018] The present invention is further configured such that one end of the second spring is fixedly connected to one side of the arc block, and the other end of the second spring is fixedly connected to the inner wall of the hydraulic pump body.

[0019] By adopting the above technical solution, the arc block can be automatically reset and snapped into the arc groove.

[0020] When the utility model is in use, the sealing ring is installed in the installation groove. After the sealing ring enters the installation groove, it squeezes the arc block and makes it move toward the inside of the hydraulic pump body, and at the same time drives the guide rod to move it into the guide groove, and compresses the second spring. When the sealing ring moves to the bottom of the installation groove, the arc block can be automatically stuck in the arc groove through the first spring, and then the sealing ring is installed in the liquid inlet end. The sealing ring can improve the sealing between the filter screen and the liquid inlet end, and prevent impurities from entering the pump body.

[0021] The beneficial effects of the present utility model are as follows: 1. The fixing block is moved to retract the fixing rod into the connecting block and compress the first spring. The filter is then moved to snap the connecting block into the connecting groove. The fixing block is then released to automatically reset the fixing rod and insert it into the fixing hole, thereby installing the filter into the liquid inlet. The filter filters impurities in the oil and effectively filters impurities in the pump body. 2. The sealing ring is installed into the installation groove and the arc block is squeezed to compress the second spring. When the sealing ring moves to the bottom of the installation groove, the arc block automatically snaps into the arc groove. The sealing ring can improve the sealing between the filter and the liquid inlet, preventing impurities from entering the pump body. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a structural schematic diagram of the filter screen of the present utility model;

[0024] Figure 3 It is a structural diagram of the liquid inlet end and the mounting groove of the utility model;

[0025] Figure 4 This is a structural diagram of the sealing ring and the arc groove of the utility model;

[0026] Figure 5 This utility model Figure 2 A schematic diagram of the structure at center A;

[0027] Figure 6 This utility model Figure 3 A magnified schematic diagram of the structure at point B in the middle. DETAILED DESCRIPTION

[0028] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0029] Example 1

[0030] Combined with attachment Figure 2 、 Figure 3 and Figure 5 A pump body with impurity filtering function includes a hydraulic pump body 1, a liquid inlet end 2 is opened on one side of the hydraulic pump body 1, a filter screen 3 is set on the inner wall of the liquid inlet end 2, a connecting block 4 is fixedly connected to one side of the filter screen 3, and a connecting groove 5 is opened on one side of the inner wall of the hydraulic pump body 1.

[0031] Combine Figure 1 、 Figure 2 and Figure 3 The hydraulic pump body 1 includes a base 101, a positioning block 102 and a positioning hole 103. The bottom of the hydraulic pump body 1 is fixedly connected to the base 101 and the positioning block 102 respectively, and the inner wall of the positioning block 102 is provided with a positioning hole 103.

[0032] Combine Figure 2 and Figure 5 The connecting block 4 includes a fixed rod 401, a fixed block 402, a first spring 403, a fixed hole 404 and a slider 405. The inner wall of the connecting block 4 is slidably connected to the fixed rod 401, one end of the fixed rod 401 is fixedly connected to the fixed block 402, there are two fixed blocks 402, and one side of the fixed block 402 is fixedly connected to the first spring 403.

[0033] The inner wall of the hydraulic pump body 1 is provided with a fixing hole 404 for use with the fixing rod 401 .

[0034] A slider 405 is fixedly connected to one side of the fixed block 402, and a slide groove for use with the slider 405 is provided on the inner wall of the hydraulic pump body 1. The use of the slider 405 and the slide groove can improve the stability of the fixed block 402 during movement.

[0035] When the utility model is in use, the two fixing blocks 402 are moved to retract the fixing rod 401 into the connecting block 4. At this time, the first spring 403 is in a compressed state. Then the filter screen 3 is moved to make the connecting block 4 snap into the connecting groove 5. Then the fixing block 402 is released. The rebound force of the first spring 403 automatically resets the fixing rod 401 and inserts it into the fixing hole 404. Thus, the filter screen 3 is installed in the liquid inlet end 2, and impurities in the oil are filtered through the filter screen 3.

[0036] Example 2

[0037] Combine Figure 2 、 Figure 3 、 Figure 4 and Figure 6 A pump body with impurity filtering function includes a hydraulic pump body 1, an inner wall of the hydraulic pump body 1 is provided with a mounting groove 6, and an inner wall of the mounting groove 6 is provided with a sealing ring 7.

[0038] Combine Figure 4 and Figure 6 The sealing ring 7 includes an arc groove 701, an arc block 702, a guide rod 703, a second spring 704 and a guide groove 705. The inner wall of the sealing ring 7 is provided with an arc groove 701, and the inner wall of the hydraulic pump body 1 is slidably connected with the arc block 702. One end of the arc block 702 is fixedly connected with the guide rod 703, and a second spring 704 is provided on the outside of the guide rod 703.

[0039] Combine Figure 6 A guide groove 705 is formed on the inner wall of the hydraulic pump body 1 , and the inner wall of the guide groove 705 is slidably connected to the outer side of the guide rod 703 .

[0040] One end of the second spring 704 is fixedly connected to one side of the arc block 702 , and the other end of the second spring 704 is fixedly connected to the inner wall of the hydraulic pump body 1 .

[0041] When the utility model is in use, the sealing ring 7 is installed in the installation groove 6. After the sealing ring 7 enters the installation groove 6, it squeezes the arc block 702 and moves it toward the inside of the hydraulic pump body 1, and at the same time drives the guide rod 703 to move it into the guide groove 705, and compresses the second spring 704. When the sealing ring 7 moves to the bottom of the installation groove 6, the arc block 702 can be automatically stuck in the arc groove 701 through the first spring 704, and then the sealing ring 7 is installed in the liquid inlet end 2. The sealing ring 7 can improve the sealing between the filter screen 3 and the liquid inlet end 2, and prevent impurities from entering the pump body.

[0042] The beneficial effects of the present utility model are as follows: 1. The fixing block is moved to retract the fixing rod into the connecting block and compress the first spring. The filter is then moved to snap the connecting block into the connecting groove. The fixing block is then released to automatically reset the fixing rod and insert it into the fixing hole, thereby installing the filter into the liquid inlet. The filter filters impurities in the oil and effectively filters impurities in the pump body. 2. The sealing ring is installed into the installation groove and the arc block is squeezed to compress the second spring. When the sealing ring moves to the bottom of the installation groove, the arc block automatically snaps into the arc groove. The sealing ring can improve the sealing between the filter and the liquid inlet, preventing impurities from entering the pump body.

Claims

1. A pump body with impurity filtering function, comprising a hydraulic pump body, characterized in that: A liquid inlet end is provided on one side of the hydraulic pump body, a filter is provided on the inner wall of the liquid inlet end, a connecting block is fixedly connected to one side of the filter, a connecting groove is provided on one side of the inner wall of the hydraulic pump body, and an installation groove is provided on the other side of the inner wall of the hydraulic pump body, and a sealing ring is provided on the inner wall of the installation groove.

2. The pump body with impurity filtering function according to claim 1, characterized in that: The hydraulic pump body comprises a base, a positioning block and a positioning hole. The bottom of the hydraulic pump body is fixedly connected with the base and the positioning block respectively, and the inner wall of the positioning block is provided with a positioning hole.

3. The pump body with impurity filtering function according to claim 1, characterized in that: The connecting block includes a fixing rod, a fixing block, a first spring, a fixing hole and a slider. The inner wall of the connecting block is slidably connected to the fixing rod, one end of the fixing rod is fixedly connected to the fixing block, there are two fixing blocks, and one side of the fixing block is fixedly connected to the first spring.

4. The pump body with impurity filtering function according to claim 3, characterized in that: The inner wall of the hydraulic pump body is provided with a fixing hole used in conjunction with the fixing rod.

5. The pump body with impurity filtering function according to claim 3, characterized in that: A sliding block is fixedly connected to one side of the fixed block, and a sliding groove used in conjunction with the sliding block is provided on the inner wall of the hydraulic pump body.

6. The pump body with impurity filtering function according to claim 1, characterized in that: The sealing ring includes an arc groove, an arc block, a guide rod, a second spring and a guide groove. The inner wall of the sealing ring is provided with an arc groove. The inner wall of the hydraulic pump body is slidably connected with an arc block. One end of the arc block is fixedly connected with the guide rod. The outer side of the guide rod is provided with a second spring.

7. The pump body with impurity filtering function according to claim 6, characterized in that: A guide groove is provided on the inner wall of the hydraulic pump body, and the inner wall of the guide groove is slidably connected to the outer side of the guide rod.

8. The pump body with impurity filtering function according to claim 6, characterized in that: One end of the second spring is fixedly connected to one side of the arc block, and the other end of the second spring is fixedly connected to the inner wall of the hydraulic pump body.

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