Hydraulic pump cover convenient to mount and dismount

Abstract

The utility model discloses a hydraulic pump cover convenient to mount and demount, which relates to the technical field of hydraulic pumps and comprises a hydraulic pump shell body, a connecting seat is fixedly connected to the bottom of the hydraulic pump shell body, a plurality of positioning rods are fixedly connected to one end of the hydraulic pump shell body, and the positioning rods are fixedly connected to the other end of the hydraulic pump shell body. A rear cover is arranged at one end of the hydraulic pump shell body, a plurality of racks are engaged with a plurality of gears correspondingly, the gears drive a plurality of threaded sleeves to rotate, the threaded sleeves are in threaded connection with a plurality of second threaded rods correspondingly, and the second threaded rods drive a plurality of rollers to unfold through a plurality of mounting bases correspondingly. And at the moment, a plurality of T-shaped rods slide in a plurality of T-shaped grooves correspondingly, a plurality of rollers move into a plurality of mounting grooves correspondingly, and the rollers extrude a plurality of extrusion blocks, so that the rear cover can be tightly fixed to the hydraulic pump shell body, mounting of the rear cover can be achieved, meanwhile, quick dismounting can be conducted, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pumps, in particular to a hydraulic pump cover which is easy to install and disassemble. Background Art

[0002] A hydraulic pump is a hydraulic system power element driven by an engine or electric motor, converting mechanical energy into hydraulic energy. It draws fluid from the hydraulic tank, creates pressure, and discharges it to the actuators. Hydraulic pumps are categorized by structure into gear pumps, plunger pumps, vane pumps, and screw pumps. A hydraulic pump consists of several components, including a housing and a rear cover.

[0003] The disclosure number CN219159178U is a rear cover structure of a hydraulic pump, comprising a hydraulic pump housing body, one end of which is provided with a rear cover body; an installation assembly, which is provided at one end of the hydraulic pump housing body and is used to install the rear cover body, and the rear cover body, the installation box, the hydraulic pump housing body and the positioning hole cooperate with each other so that the installation box enters the interior of the positioning hole, and the nut, the threaded rod, the first spring, the movable ring, the adjustment plate, the clamping plate, the clamping block and the clamping groove cooperate with each other so that the clamping plate moves to the outside of the clamping groove on the clamping block.

[0004] Although there are many benefits in the above scheme, there are also the following disadvantages: each time the rear cover body is installed, it is necessary to adjust the snap-in plate and snap it into the snap-in groove to limit the snap-in block so that the installation box can pass through the positioning hole. This operation must be performed each time the installation is performed, which is troublesome and cannot achieve the effect of quick installation, thereby reducing the practicality of the device. Utility Model Content

[0005] The purpose of the utility model is to provide a hydraulic pump cover that is easy to install and disassemble, so as to solve the problem in the prior art that each time the rear cover body is installed, it is necessary to adjust the clamping plate to fit into the clamping groove to limit the clamping block so that the installation box can pass through the positioning hole. Each time the cover body is installed, it needs to be operated, which is relatively troublesome and cannot achieve the effect of quick installation.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a hydraulic pump cover that is easy to install and disassemble, comprising a hydraulic pump housing body, a connecting seat fixedly connected to the bottom of the hydraulic pump housing body, a plurality of positioning rods fixedly connected to one end of the hydraulic pump housing body, a rear cover provided at one end of the hydraulic pump housing body, a plurality of positioning holes opened on one side of the rear cover, one end of the positioning rod passing through the positioning hole, an extrusion block provided inside the positioning rod, a plurality of threaded sleeves provided on one side of the rear cover, a second threaded rod threadedly connected to the inside of the threaded sleeve, and a mounting seat fixedly connected to the top of the second threaded rod. A roller is installed inside the mounting seat, and a T-shaped rod is fixedly connected to the outside of the second threaded rod. A plurality of T-slots are opened on one side of the back cover, and the T-shaped rod is arranged inside the T-slot and is slidably connected to the back cover. A cross frame is provided between the plurality of threaded sleeves, and the cross frame is fixedly connected to one side of the back cover. One end of the plurality of threaded sleeves passes through the outside of the cross frame and extends to the inside of the cross frame. The plurality of threaded sleeves are rotatably connected to the cross frame, and the outside of the bottom end of the threaded sleeve is fixedly connected to a gear, and the outside of the gear is meshed with a rack, and an adjustment structure is provided between the plurality of racks.

[0007] Preferably, a sealing gasket is provided between the hydraulic pump housing body and the rear cover, a plurality of circular holes are opened on one side of the sealing gasket, one end of each of the plurality of positioning rods passes through the plurality of circular holes, and both sides of the sealing gasket are in contact with the hydraulic pump housing body and the rear cover. The setting of the sealing gasket can seal the connection between the hydraulic pump housing body and the rear cover.

[0008] Preferably, a plurality of the positioning rods are provided with mounting grooves on their outer sides, a plurality of the extrusion blocks are respectively arranged inside the plurality of mounting grooves, and a plurality of the extrusion blocks are respectively fixedly connected to a plurality of the positioning rods.

[0009] Preferably, the adjustment structure includes a first threaded rod, which is rotatably connected to the center position of the back cover, one end of the first threaded rod is rotatably connected to the cross frame, an annular seat is threadedly connected to the outer side of the first threaded rod, and the annular seat is fixedly connected to a plurality of connecting columns, and the plurality of connecting columns are respectively fixedly connected to a plurality of racks.

[0010] Preferably, the adjustment structure also includes multiple connecting rods, and the multiple connecting rods are respectively slidably connected to the inner sides of the multiple racks. The two ends of the multiple connecting rods are respectively fixedly connected to the back cover and the cross frame. The setting of the multiple connecting rods plays a role of sliding limit for the multiple racks, thereby improving the stability of the movement of the multiple racks.

[0011] Preferably, a worm gear is provided on one side of the annular seat, the worm gear is fixedly connected to the outer side of the first threaded rod, and the outer side of the worm gear is meshedly connected with a worm.

[0012] Preferably, one end of the worm passes through the inner side of the cross frame and extends to the outer side of the cross frame, the worm is rotatably connected to the cross frame, and a knob is installed at one end of the worm.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] The present application uses multiple racks to mesh with multiple gears respectively, and the multiple gears drive multiple threaded sleeves to rotate. The multiple threaded sleeves are threadedly connected to the multiple second threaded rods respectively, and the multiple second threaded rods drive the multiple rollers to unfold through the multiple mounting seats. At this time, the multiple T-shaped rods slide inside the multiple T-shaped slots respectively, and the multiple rollers move into the multiple mounting slots respectively. The multiple rollers squeeze the multiple extrusion blocks, so that the rear cover can be tightly fixed on the hydraulic pump housing body, thereby realizing the installation of the rear cover and also allowing for quick disassembly, thereby improving the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall structure of the hydraulic pump cover that is easy to install and disassemble according to the utility model;

[0016] Figure 2 This is a schematic diagram of the positioning rod structure of the hydraulic pump cover that is easy to install and disassemble according to the utility model;

[0017] Figure 3 This is a cross-sectional view of the positioning rod of the hydraulic pump cover that is easy to install and disassemble according to the utility model;

[0018] Figure 4 This is a schematic diagram of the first threaded rod structure of the hydraulic pump cover that is easy to install and disassemble according to the utility model;

[0019] Figure 5 The utility model is a hydraulic pump cover that is easy to install and disassemble Figure 4 A magnified view of the structure of part A.

[0020] Numbers in the figure: 1. Hydraulic pump housing body; 2. Connecting seat; 3. Positioning rod; 4. Sealing gasket; 5. Mounting groove; 6. Extrusion block; 7. Back cover; 8. Positioning hole; 9. Cross frame; 10. T-slot; 11. First threaded rod; 12. Worm gear; 13. Worm; 14. Annular seat; 15. Connecting column; 16. Rack; 17. Connecting rod; 18. Gear; 19. Threaded sleeve; 20. Second threaded rod; 21. T-rod; 22. Mounting seat; 23. Roller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0022] Example: Figure 1 - Figure 5 As shown, the utility model provides a technical solution for a hydraulic pump cover that is easy to install and disassemble, including a hydraulic pump housing body 1, a connecting seat 2 is fixedly connected to the bottom of the hydraulic pump housing body 1, a plurality of positioning rods 3 are fixedly connected to one end of the hydraulic pump housing body 1, a back cover 7 is provided at one end of the hydraulic pump housing body 1, a sealing gasket 4 is provided between the hydraulic pump housing body 1 and the back cover 7, a plurality of circular holes are opened on one side of the sealing gasket 4, one end of the plurality of positioning rods 3 passes through the plurality of circular holes, both sides of the sealing gasket 4 are in contact with the hydraulic pump housing body 1 and the back cover 7, a plurality of positioning holes 8 are opened on one side of the back cover 7, one end of the positioning rod 3 passes through the positioning hole 8, an extrusion block 6 is provided inside the positioning rod 3, and mounting grooves 5 are opened on the outside of the plurality of positioning rods 3, a plurality of extrusion blocks 6 are respectively arranged in the plurality of mounting grooves 5, and the plurality of extrusion blocks 6 are respectively fixedly connected to the plurality of positioning rods 3 , a plurality of threaded sleeves 19 are provided on one side of the back cover 7, and a second threaded rod 20 is connected to the inside of the threaded sleeve 19 through a thread, and a mounting seat 22 is fixedly connected to the top of the second threaded rod 20, and a roller 23 is installed inside the mounting seat 22, and a T-shaped rod 21 is fixedly connected to the outside of the second threaded rod 20. A plurality of T-slots 10 are opened on one side of the back cover 7, and the T-shaped rod 21 is arranged inside the T-slot 10 and is slidably connected to the back cover 7. A cross frame 9 is provided between the plurality of threaded sleeves 19, and the cross frame 9 is fixedly connected to one side of the back cover 7. One end of the plurality of threaded sleeves 19 passes through the outside of the cross frame 9 and extends to the inside of the cross frame 9. The plurality of threaded sleeves 19 are rotatably connected to the cross frame 9, and the outside of the bottom end of the threaded sleeve 19 is fixedly connected to a gear 18, and the outside of the gear 18 is meshed with a rack 16, and an adjustment structure is provided between the plurality of racks 16.

[0023] The adjustment structure includes a first threaded rod 11, which is rotatably connected to the center position of the back cover 7, and one end of the first threaded rod 11 is rotatably connected to the cross frame 9. The outer side of the first threaded rod 11 is threadedly connected to an annular seat 14, and the annular seat 14 is fixedly connected to a plurality of connecting columns 15, and the plurality of connecting columns 15 are respectively fixedly connected to a plurality of racks 16. The adjustment structure also includes a plurality of connecting rods 17, and the plurality of connecting rods 17 are respectively slidably connected to the inner sides of the plurality of racks 16. The two ends of the plurality of connecting rods 17 are respectively fixedly connected to the back cover 7 and the cross frame 9. A worm gear 12 is provided on one side of the annular seat 14, and the worm gear 12 is fixedly connected to the outer side of the first threaded rod 11. A worm 13 is meshed with the outer side of the worm gear 12, and one end of the worm 13 passes through the inner side of the cross frame 9 and extends to the outer side of the cross frame 9. The worm 13 is rotatably connected to the cross frame 9, and a knob is installed at one end of the worm 13.

[0024] Specifically, the back cover 7 is placed on the multiple positioning rods 3 through the multiple positioning holes 8. After the back cover 7 contacts the sealing gasket 4, the handle is turned, the worm 13 is engaged with the worm gear 12, the worm gear 12 drives the first threaded rod 11 to rotate, the first threaded rod 11 is threadedly connected to the annular seat 14, the annular seat 14 drives the multiple racks 16 to move through the multiple connecting columns 15, and the multiple racks 16 slide on the multiple connecting rods 17, the multiple racks 16 are respectively engaged with the multiple gears 18, the multiple gears 18 drive the multiple threaded sleeves 19 to rotate, and the multiple The threaded sleeves 19 are respectively threadedly connected to the plurality of second threaded rods 20, and the plurality of second threaded rods 20 respectively drive the plurality of rollers 23 to unfold through the plurality of mounting seats 22. At this time, the plurality of T-shaped rods 21 respectively slide inside the plurality of T-shaped slots 10, and the plurality of rollers 23 respectively move into the plurality of mounting slots 5. The plurality of rollers 23 squeeze the plurality of extrusion blocks 6, so that the rear cover 7 can be tightly fixed on the hydraulic pump housing body 1, thereby realizing the installation of the rear cover 7 and also allowing for quick disassembly, thereby improving the practicality of the device.

[0025] It will be apparent 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 characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A hydraulic pump cover that is easy to install and disassemble, characterized by: The invention comprises a hydraulic pump housing body (1), wherein the bottom of the hydraulic pump housing body (1) is fixedly connected to a connecting seat (2), one end of the hydraulic pump housing body (1) is fixedly connected to a plurality of positioning rods (3), one end of the hydraulic pump housing body (1) is provided with a rear cover (7), one side of the rear cover (7) is provided with a plurality of positioning holes (8), one end of the positioning rod (3) passes through the positioning hole (8), an extrusion block (6) is provided inside the positioning rod (3), one side of the rear cover (7) is provided with a plurality of threaded sleeves (19), the threaded sleeves (19) are internally threadedly connected to a second threaded rod (20), the top end of the second threaded rod (20) is fixedly connected to a mounting seat (22), a roller (23) is installed inside the mounting seat (22), and the second threaded rod ( The outer side of the rear cover (7) is fixedly connected with a T-shaped rod (21), a plurality of T-shaped grooves (10) are provided on one side of the rear cover (7), the T-shaped rod (21) is arranged inside the T-shaped groove (10) and is slidably connected to the rear cover (7), a cross frame (9) is provided between the plurality of threaded sleeves (19), the cross frame (9) is fixedly connected to one side of the rear cover (7), one end of the plurality of threaded sleeves (19) passes through the outer side of the cross frame (9) and extends to the inner side of the cross frame (9), the plurality of threaded sleeves (19) are rotatably connected to the cross frame (9), the outer side of the bottom end of the threaded sleeve (19) is fixedly connected with a gear (18), the outer side of the gear (18) is meshed with a rack (16), and an adjustment structure is provided between the plurality of racks (16).

2. The hydraulic pump cover that is easy to install and disassemble according to claim 1, characterized in that: A sealing gasket (4) is provided between the hydraulic pump housing body (1) and the rear cover (7), and a plurality of circular holes are provided on one side of the sealing gasket (4). One end of each of the plurality of positioning rods (3) passes through the plurality of circular holes, and both sides of the sealing gasket (4) are in contact with the hydraulic pump housing body (1) and the rear cover (7).

3. The hydraulic pump cover that is easy to install and disassemble according to claim 1, characterized in that: The outer sides of the plurality of positioning rods (3) are each provided with a mounting groove (5), the plurality of extrusion blocks (6) are respectively arranged inside the plurality of mounting grooves (5), and the plurality of extrusion blocks (6) are respectively fixedly connected to the plurality of positioning rods (3).

4. The hydraulic pump cover that is easy to install and disassemble according to claim 1, characterized in that: The adjustment structure comprises a first threaded rod (11), the first threaded rod (11) being rotatably connected to the center of the rear cover (7), one end of the first threaded rod (11) being rotatably connected to the cross frame (9), an annular seat (14) being threadedly connected to the outer side of the first threaded rod (11), the annular seat (14) being fixedly connected to a plurality of connecting columns (15), and the plurality of connecting columns (15) being fixedly connected to a plurality of racks (16) respectively.

5. The hydraulic pump cover that is easy to install and disassemble according to claim 4, characterized in that: The adjustment structure further comprises a plurality of connecting rods (17), wherein the plurality of connecting rods (17) are respectively slidably connected to the inner sides of the plurality of racks (16), and the ends of the plurality of connecting rods (17) are respectively fixedly connected to the rear cover (7) and the cross frame (9).

6. The hydraulic pump cover that is easy to install and remove according to claim 4, characterized in that: A worm gear (12) is provided on one side of the annular seat (14), the worm gear (12) is fixedly connected to the outside of the first threaded rod (11), and the outside of the worm gear (12) is meshedly connected to a worm (13).

7. The hydraulic pump cover that is easy to install and disassemble according to claim 6, characterized in that: One end of the worm (13) passes through the inner side of the cross frame (9) and extends to the outer side of the cross frame (9). The worm (13) is rotatably connected to the cross frame (9). A knob is installed at one end of the worm (13).

Images