CN219159178U - Rear cover structure of hydraulic pump - Google Patents

Abstract

The utility model discloses a rear cover structure of a hydraulic pump, which has the technical scheme that: the hydraulic pump comprises a hydraulic pump shell body, wherein a rear cover body is arranged at one end of the hydraulic pump shell body; the installation component, the installation component sets up the one end of hydraulic pump housing body is in, is used for the installation the back lid body, through the back lid body that sets up, install bin, hydraulic pump housing body and locating hole mutually support for the installation bin gets into the inside of locating hole, through the nut that sets up, the threaded rod, first spring, the expansion ring, the regulating plate, the joint board, joint piece and joint groove mutually support, make the joint board remove the outside of joint groove on the joint piece, through the second spring that sets up, the installation piece, the bracing piece, the joint piece, the movable hole, back lid body and carriage mutually support, make the joint piece get into the inside of carriage on the back lid body, thereby with the one end of back lid body restriction at hydraulic pump housing body, reach the installation effect to the back lid body.

Description

Rear cover structure of hydraulic pump

Technical Field

The utility model relates to the technical field of rear covers of hydraulic pumps, in particular to a rear cover structure of a hydraulic pump.

Background

The hydraulic pump is a component of a hydraulic system driven by an engine or an electric motor to convert mechanical energy into hydraulic energy, and sucks oil from a hydraulic oil tank to form pressure oil, which is discharged and sent to an executing component. The hydraulic pump is structurally divided into a gear pump, a plunger pump, a vane pump and a screw pump, and consists of a shell, a rear cover and the like.

At present, when the hydraulic pump on the market is in use, the staff can overhaul the inside of the hydraulic pump, after overhaul, the staff needs to install the back lid on the hydraulic pump shell, because the back lid is installed fixedly through a plurality of bolts, the staff need screw up a plurality of bolts in proper order with the spanner corresponding to the bolt and accomplish the installation to the back lid, and the mounting means is comparatively complicated, influences the staff and installs the back lid.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a rear cover structure of a hydraulic pump, which solves the problems that as the rear cover is installed and fixed through a plurality of bolts, a worker needs to screw down the bolts in sequence by adopting a spanner corresponding to the bolts to finish the installation of the rear cover, the installation mode is complex, and the installation of the rear cover of the worker is influenced.

The technical aim of the utility model is realized by the following technical scheme:

a rear cover structure of a hydraulic pump, comprising: the hydraulic pump comprises a hydraulic pump housing body, wherein a rear cover body is arranged at one end of the hydraulic pump housing body; the installation component, the installation component sets up the one end of hydraulic pump housing body is used for the installation the back lid body, the installation component includes: the two mounting boxes are fixedly mounted at one end of the hydraulic pump shell body, two positioning holes are formed in one end of the rear cover body, the mounting boxes are movably sleeved with the positioning holes, two mounting plates are arranged in one side of each mounting plate, clamping blocks are fixedly mounted at one side of each mounting plate, movable holes are formed in two sides of each mounting box, the clamping blocks are movably sleeved with the movable holes, a plurality of supporting frames are fixedly mounted at one end of the rear cover body, the clamping blocks are movably sleeved with the supporting frames, fixing blocks are fixedly mounted at one side of the inside of each mounting box, supporting rods are fixedly mounted at two sides of each fixing block, one end of each supporting rod is fixedly connected with one side of the inside of each mounting box, a circular through hole is formed in one side of each mounting plate, the inner circular wall surface of each circular through hole is movably sleeved with one side of each supporting rod, a second spring is movably mounted at one side of each supporting rod, one end of each second spring is fixedly connected with one side of each mounting plate, the other is fixedly mounted with one side of each clamping block, one side of the two adjusting plates are movably sleeved with one side of each adjusting plate, one side of the adjusting plates are movably sleeved with one side of the adjusting plates are movably mounted on one side of each adjusting plate, the adjusting plates are sleeved with one side of the threaded rods, and the threaded rods are fixedly connected with one side of the adjusting plates, the outer circular wall surface of the threaded rod is movably sleeved with a first spring, one end of the first spring is fixedly connected with one side of the installation box, the other end of the first spring is fixedly connected with one end of the movable ring, and the outer circular wall surface of the threaded rod is in threaded connection with a nut.

In order to achieve the limiting effect on the adjusting plate, as the rear cover structure of the hydraulic pump, preferably, two supporting holes are formed in one side of the adjusting plate, limiting columns are movably sleeved in the supporting holes, and one side of each limiting column is fixedly connected with one side of the mounting box.

In order to improve the tightness of the hydraulic pump housing body, as the rear cover structure of the hydraulic pump, preferably, one end of the hydraulic pump housing body is fixedly provided with a sealing backing ring, one end of the sealing backing ring is provided with two connecting holes, and the mounting box is fixedly sleeved with the connecting holes.

In order to determine the position of the rear cover body, as a rear cover structure of the hydraulic pump, preferably, one end of the sealing gasket ring is fixedly provided with two threaded columns, one end of the rear cover body is provided with a mounting hole, and the outer circular wall surface of the threaded column is movably sleeved with the inner circular wall surface of the mounting hole.

In order to prevent oil in the hydraulic pump shell body from leaking out through a gap between the threaded column and the positioning hole, the rear cover structure of the hydraulic pump is better in that the sealing cover is connected with the outer circular wall surface of the threaded column in a threaded manner.

In order to support the hydraulic pump housing body and the rear cover body, as the rear cover structure of the hydraulic pump, preferably, the bottom surface of the hydraulic pump housing body is fixedly provided with a supporting block, and the bottom surface of the supporting block is fixedly provided with two rubber plates.

In order to fix the supporting block, as a rear cover structure of the hydraulic pump, preferably, two connecting blocks are fixedly installed on two sides of the supporting block, and a fixing hole is formed in the top surface of the fixing block.

In summary, the utility model has the following advantages:

through the back lid body, the mounting box that sets up, hydraulic pump shell body and locating hole mutually support for the inside that the mounting box got into the locating hole, nut, threaded rod, first spring, go-between, the regulating plate, the joint board, joint piece and joint groove mutually support through setting up, make the joint board remove the outside of joint groove on the joint piece, through the second spring that sets up, the mounting block, the bracing piece, the joint piece, the movable hole, back lid body and braced frame mutually support, make the inside that the joint piece got into braced frame on the back lid body, thereby restrict the one end at hydraulic pump shell body with the back lid body, reach the installation effect to the back lid body, the staff of being convenient for uses back lid body.

Through the regulating plate that sets up, the regulating plate backward movement is along restriction post backward movement, and the restriction post can restrict the regulating plate, reaches the restriction effect to the regulating plate.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of the structure of the connecting hole of the present utility model;

FIG. 3 is a schematic left-hand view of the seal cap structure of the present utility model;

FIG. 4 is a schematic view of the mounting box structure of the present utility model;

FIG. 5 is a schematic view of a snap block according to the present utility model;

fig. 6 is a schematic view of a structure of a clamping groove according to the present utility model.

Reference numerals: 1. a hydraulic pump housing body; 2. a rear cover body; 3. a seal grommet; 4. a support block; 5. a rubber plate; 6. a connecting block; 7. a fixing hole; 8. a mounting box; 9. a connection hole; 10. a threaded column; 11. a mounting hole; 12. sealing cover; 13. a movable hole; 14. a clamping block; 15. a support frame; 16. a threaded rod; 17. a movable ring; 18. a first spring; 19. a support hole; 20. a restraining post; 21. placing the hole; 22. a clamping plate; 23. limiting the aperture; 24. a fixed block; 25. a support rod; 26. a second spring; 27. a mounting plate; 28. a clamping groove; 29. an adjusting plate; 30. and positioning holes.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, fig. 2, fig. 4, fig. 5 and fig. 6, a rear cover structure of a hydraulic pump comprises a hydraulic pump housing body 1, one end of the hydraulic pump housing body 1 is provided with a rear cover body 2, one end of the hydraulic pump housing body 1 is provided with a mounting component for mounting the rear cover body 2, the mounting component comprises two mounting boxes 8, the two mounting boxes 8 are fixedly mounted at one end of the hydraulic pump housing body 1, one end of the rear cover body 2 is provided with two positioning holes 30, the mounting boxes 8 are movably sleeved with the positioning holes 30, two mounting plates 27 are arranged in the mounting boxes 8, one side of each mounting plate 27 is fixedly provided with a clamping block 14, both sides of each mounting box 8 are provided with a movable hole 13, each clamping block 14 is movably sleeved with the movable hole 13, one end of the rear cover body 2 is fixedly provided with a plurality of supporting frames 15, each clamping block 14 is movably sleeved with the supporting frames 15, a fixed block 24 is fixedly arranged on one side of the inside of the installation box 8, supporting rods 25 are fixedly arranged on two sides of the fixed block 24, one end of each supporting rod 25 is fixedly connected with one side of the inside of the installation box 8, a circular through hole is formed in one side of each installation plate 27, the inner circular wall surface of each circular through hole is movably sleeved with the outer circular wall surface of each supporting rod 25, a second spring 26 is movably sleeved on the outer circular wall surface of each supporting rod 25, one end of each second spring 26 is fixedly connected with one side of each installation plate 27, the other end of each second spring 26 is fixedly connected with one side of each fixed block 24, a clamping groove 28 is formed in one side of each clamping block 14, two placing holes 21 are formed in one side of the installation box 8, a threaded rod 16 is fixedly arranged on one side of each installation box 8, a regulating plate 29 is arranged on one side of each regulating plate 29, the outer circular wall surface of each threaded rod 16 is movably sleeved with the outer circular wall surface of each regulating hole 23, the clamping plates 22 are fixedly arranged on two sides of the adjusting plate 29, the clamping plates 22 are movably sleeved with the placing holes 21, the clamping plates 22 are movably sleeved with the clamping grooves 28, the outer circular wall surface of the threaded rod 16 is movably sleeved with the movable ring 17, the outer circular wall surface of the threaded rod 16 is movably sleeved with the first spring 18, one end of the first spring 18 is fixedly connected with one side of the mounting box 8, the other end of the first spring 18 is fixedly connected with one end of the movable ring 17, the outer circular wall surface of the threaded rod 16 is in threaded connection with a nut, a worker places the rear cover body 2 at one end of the hydraulic pump housing body 1 through the arranged rear cover body 2, the worker rotates the nut to enable the nut to move backwards on the threaded rod 16, the acting force of the first spring 18 drives the movable ring 17 to move forwards on the threaded rod 16 through the arranged rear cover body 2, the movable ring 17 moves forwards to drive the adjusting plate 29 to move outwards, the adjusting plate 29 moves outwards to drive the clamping plate 22 to move outwards, a worker rotates the nut to enable the clamping plate 22 to move to the outside of the clamping groove 28 on the clamping block 14 under the action force of the first spring 18, the limit of the clamping plate 22 is lost, the acting force of the second spring 26 enables the mounting plate 27 to move outwards along the supporting rod 25, the mounting plate 27 moves outwards to drive the clamping block 14 to move outwards through the movable hole 13, the clamping block 14 moves outwards to enter the inside of the supporting frame 15 on the rear cover body 2, thereby limiting the rear cover body 2 at one end of the hydraulic pump housing body 1, achieving the installation effect on the rear cover body 2, reducing bolts used by the worker in the process of installing the rear cover body 2, facilitating the subsequent disassembly of the rear cover body 2, the rear cover body 2 is convenient for the staff to use.

Referring to fig. 1, 2, 3 and 6, two supporting holes 19 are formed at one side of the adjusting plate 29, a limiting column 20 is movably sleeved in the supporting holes 19, one side of the limiting column 20 is fixedly connected with one side of the mounting box 8, the adjusting plate 29 moves backwards along the limiting column 20 through the adjusting plate 29, the limiting column 20 can limit the adjusting plate 29 to achieve the limiting effect on the adjusting plate 29, a sealing backing ring 3 is fixedly mounted at one end of the hydraulic pump housing body 1, two connecting holes 9 are formed at one end of the sealing backing ring 3, the mounting box 8 is fixedly sleeved with the connecting holes 9, the sealing backing ring 3 can reduce a gap between the hydraulic pump housing body 1 and the rear cover body 2 through the sealing backing ring 3, the sealing performance of the hydraulic pump housing body 1 is improved, two threaded columns 10 are fixedly mounted at one end of the sealing backing ring 3, the installation hole 11 is formed at one end of the rear cover body 2, the outer circular wall surface of the threaded column 10 is movably sleeved with the inner circular wall surface of the installation hole 11, through the arranged rear cover body 2, a worker places the rear cover body 2 on one side of the hydraulic pump shell body 1 so that the threaded column 10 on the sealing gasket ring 3 enters the inside of the installation hole 11 on the rear cover body 2, the worker is convenient to determine the position of the rear cover body 2, the outer circular wall surface of the threaded column 10 is in threaded connection with the sealing cover 12, the supporting block 4 is fixedly arranged on the bottom surface of the hydraulic pump shell body 1, two rubber plates 5 are fixedly arranged on the bottom surface of the supporting block 4, two connecting blocks 6 are fixedly arranged on two sides of the supporting block 4, the top surface of each connecting block 6 is provided with the fixing hole 7, through the arranged connecting blocks 6, the worker places bolts into the inside of the fixing holes 7 on the connecting blocks 6, the support block 4 is convenient for the staff to fix.

Working principle: referring to fig. 1-6, through the rear cover body 2, the worker places the rear cover body 2 at one end of the hydraulic pump housing body 1 so that the mounting box 8 on the hydraulic pump housing body 1 enters the inside of the positioning hole 30, the worker rotates the nut so that the nut moves backward on the threaded rod 16, the nut moves backward on the threaded rod 16 so that the acting force of the first spring 18 drives the movable ring 17 to move forward on the threaded rod 16, the movable ring 17 moves forward to drive the adjusting plate 29 to move outward, the adjusting plate 29 moves outward to drive the clamping plate 22 to move outward, the worker loses the limitation of the clamping plate 22 by rotating the nut so that the mounting plate 27 moves outward along the supporting rod 25, the mounting plate 27 moves outward to drive the clamping block 14 to pass through the movable hole 13 and move outward so that the acting force of the first spring 18 drives the movable ring 17 to move forward on the threaded rod 16, thereby restricting the rear cover body 2 at one end of the housing body 1, the rear cover body 2 moves outward under the acting force of the first spring 18 to the clamping plate 22, the limit of the rear cover body 2 is removed by the worker, the subsequent mounting plate 2 is removed by the subsequent body 2, and the subsequent mounting of the rear cover body 2 is more convenient, and the worker can detach the rear cover 2 is more conveniently mounted.

Through the regulating plate 29 that sets up, the regulating plate 29 moves backward along restriction post 20, restriction post 20 can restrict regulating plate 29, reach the restriction effect to regulating plate 29, through the sealed backing ring 3 that sets up, sealed backing ring 3 can reduce the gap between hydraulic pump housing body 1 and the back lid body 2, promote the leakproofness of hydraulic pump housing body 1, through the back lid body 2 that sets up, the staff places back lid body 2 in the inside of the mounting hole 11 on the back lid body 2 of one side messenger sealing backing ring 3 of hydraulic pump housing body 2, the staff of being convenient for confirms the position of back lid body 2, through the sealed lid 12 of setting up, the staff places sealed lid 12 on screw thread post 10 and rotates sealed lid 12 and make screw thread post 10 get into sealed lid 12's inside, sealed lid 12 can block the gap between mounting hole 11 and screw thread post 10, avoid the inside fluid of hydraulic pump housing body 1 to spill through screw thread post 10 and the gap of mounting hole 11.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A rear cover structure of a hydraulic pump, comprising:

a hydraulic pump housing body (1), wherein a rear cover body (2) is arranged at one end of the hydraulic pump housing body (1);

the installation component, the installation component sets up the one end of hydraulic pump shell body (1) is used for the installation back lid body (2), the installation component includes: two mounting boxes (8), two mounting boxes (8) are all fixedly mounted at one end of the hydraulic pump shell body (1), two locating holes (30) are formed at one end of the rear cover body (2), the mounting boxes (8) are movably sleeved with the locating holes (30), two mounting plates (27) are arranged in the mounting boxes (8), one side of each mounting plate (27) is fixedly provided with a clamping block (14), two sides of each mounting box (8) are respectively provided with a movable hole (13), each clamping block (14) is movably sleeved with one movable hole (13), a plurality of supporting frames (15) are fixedly mounted at one end of the rear cover body (2), each clamping block (14) is movably sleeved with one supporting frame (15), one side of the inside of each mounting box (8) is fixedly provided with a fixing block (24), two sides of each fixing block (24) are fixedly provided with a supporting rod (25), one end of each supporting rod (25) is fixedly connected with one side of the inside of the mounting boxes (8), one side of each supporting rod is fixedly connected with an outer circular wall (25) of each supporting rod, one side of each supporting rod is fixedly sleeved with one circular wall (25) of each supporting rod is provided with one circular wall (25), one end of the second spring (26) is fixedly connected with one side of the mounting plate (27), the other end of the second spring (26) is fixedly connected with one side of the fixed block (24), a clamping groove (28) is formed in one side of the clamping block (14), two placing holes (21) are formed in one side of the mounting box (8), a threaded rod (16) is fixedly arranged on one side of the mounting box (8), an adjusting plate (29) is arranged on one side of the mounting box (8), a limiting hole (23) is formed in one side of the adjusting plate (29), the outer circular wall surface of the threaded rod (16) is movably sleeved with the outer circular wall surface of the limiting hole (23), clamping plates (22) are fixedly arranged on two sides of the adjusting plate (29), the clamping plates (22) are movably sleeved with the placing holes (21), the outer circular wall surface of the threaded rod (16) is movably sleeved with a movable ring (17), the outer circular wall surface of the threaded rod (22) is movably sleeved with the clamping groove (28), the first spring (18) is movably sleeved with the first end of the first spring (18), the first spring (18) is fixedly connected with one end of the first spring (18), the outer circular wall surface of the threaded rod (16) is in threaded connection with a nut.

2. The rear cover structure of a hydraulic pump according to claim 1, wherein: two supporting holes (19) are formed in one side of the adjusting plate (29), a limiting column (20) is movably sleeved in the supporting holes (19), and one side of the limiting column (20) is fixedly connected with one side of the mounting box (8).

3. The rear cover structure of a hydraulic pump according to claim 1, wherein: one end of the hydraulic pump shell body (1) is fixedly provided with a sealing backing ring (3), one end of the sealing backing ring (3) is provided with two connecting holes (9), and the mounting box (8) is fixedly sleeved with the connecting holes (9).

4. A rear cover structure of a hydraulic pump according to claim 3, wherein: two threaded columns (10) are fixedly mounted at one end of the sealing gasket ring (3), a mounting hole (11) is formed in one end of the rear cover body (2), and the outer circular wall surface of the threaded column (10) is movably sleeved with the inner circular wall surface of the mounting hole (11).

5. The rear cover structure of a hydraulic pump as recited in claim 4, wherein: the outer circular wall surface of the threaded column (10) is in threaded connection with a sealing cover (12).

6. The rear cover structure of a hydraulic pump according to claim 1, wherein: the hydraulic pump shell is characterized in that a supporting block (4) is fixedly arranged on the bottom surface of the hydraulic pump shell body (1), and two rubber plates (5) are fixedly arranged on the bottom surface of the supporting block (4).

7. The rear cover structure of a hydraulic pump as recited in claim 6, wherein: two connecting blocks (6) are fixedly arranged on two sides of the supporting block (4), and fixing holes (7) are formed in the top surfaces of the connecting blocks (6).

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