Quickly assembled and disassembled sealing flange of hydraulic pump body

By designing a combined structure such as large gears, pinion gears, threaded rods on the hydraulic pump body, and using worm gear and worm transmission to achieve rapid installation and disassembly of the hydraulic pump flange, the problem of inconvenient operation in the existing technology is solved and the operation efficiency is improved.

CN223257771UActive Publication Date: 2025-08-22XIANJU YUANZHONG HYDRAULIC MASCH CO LTD
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Patent Information

Application Number
CN202422862259.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-23
Publication Date
2025-08-22
Estimated Expiration
2034-11-23

AI Technical Summary

Technical Problem

In the prior art, the disassembly process of hydraulic pump flange requires the operation of multiple fixed blocks, which leads to inconvenient operation.

Method used

A quick disassembly and sealing flange of hydraulic pump body is designed, and a combination of large gears, pinion gears, threaded rods, racks, limit rods, transmission gears and pressing blocks is used to quickly install and disassemble the flange through worm gear and worm transmission.

Benefits of technology

The flange is quickly installed and disassembled, improving the convenience of operation and the practicality of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223257771U_ABST
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Abstract

The utility model discloses a quick disassembly and assembly sealing flange of a hydraulic pump body, which relates to the technical field of hydraulic pumps and comprises a pump body, a fixing pipe is mounted at the end of the pump body, a first flange plate is fixedly connected to the outer side of one end of the fixing pipe, a second flange plate is arranged on one side of the first flange plate, and a pipeline is fixedly connected to the inner side of the second flange plate. A plurality of hollow positioning columns are arranged on one side of the first flange plate, one ends of the hollow positioning columns penetrate through the first flange plate and are fixedly connected with the first flange plate, a large gear is arranged on one side of the first flange plate, an operation structure is arranged on one side of the large gear, and a plurality of small gears are connected to the outer side of the large gear in a meshed mode. According to the device, the multiple abutting blocks are collected into the multiple hollow positioning columns through the multiple communicating grooves correspondingly, the second flange plate is taken down from the multiple hollow positioning columns, through the structural design, the second flange plate can be rapidly mounted, meanwhile, dismounting is convenient, and the practicability of the device is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of hydraulic pumps, in particular to a quick-disassembly and assembly sealing flange of a hydraulic pump body. Background Art

[0002] A hydraulic pump is the power element of a hydraulic system. Driven by an engine or electric motor, it draws fluid from the hydraulic tank, creates pressure, and discharges it to the actuators. Hydraulic pumps are categorized by structure as gear pumps, plunger pumps, vane pumps, and screw pumps. The hydraulic pump flange is a component on the hydraulic pump that primarily connects the pump body to the pipeline.

[0003] The current publication number is CN221792421U, which is a hydraulic pump flange quick clamping device, including a pump body and a second flange plate. The end of the pump body is fixedly connected to a fixing tube, the end of the fixing tube is fixedly connected to the first flange plate, a sleeve is slidably connected to the fixing tube, and four fixing mechanisms for fixing the second flange plate are provided on the side wall of the sleeve. The fixing mechanism includes an L-shaped plate fixedly connected to the side wall of the sleeve, a sliding rod is slidably connected through the L-shaped plate, and the lower end of the sliding rod is fixedly connected to a trapezoidal block.

[0004] Although there are many benefits in the above scheme, there are also the following disadvantages: although the first flange and the second flange can be quickly connected, when the second flange needs to be disassembled, personnel are required to operate multiple fixing blocks to move the multiple trapezoidal blocks away from the second flange and separate and remove the second flange from the first flange, which is not convenient enough. Utility Model Content

[0005] The purpose of the utility model is to provide a quick-disassembly and assembly sealing flange of a hydraulic pump body, so as to solve the problem in the prior art that when the second flange plate needs to be disassembled, personnel need to operate multiple fixing blocks to realize that multiple trapezoidal blocks are separated from the second flange plate and the second flange plate is separated and removed, and the operation is not convenient enough.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a quick-disassembly and assembly sealing flange of a hydraulic pump body, comprising a pump body, a fixed pipe installed at the end of the pump body, a first flange fixedly connected to the outside of one end of the fixed pipe, a second flange provided on one side of the first flange, a pipeline fixedly connected to the inside of the second flange, a plurality of hollow positioning columns provided on one side of the first flange, one end of the plurality of hollow positioning columns all pass through the first flange and are fixedly connected to the first flange, a large gear provided on one side of the first flange, an operating structure provided on one side of the large gear, The outer side of the large gear is meshed with multiple small gears, and one side of the small gear is fixedly connected to a threaded rod, one end of the threaded rod passes through a hollow positioning column and is rotatably connected to the hollow positioning column, the outer side of the threaded rod is threadedly connected to a rack, and the rack is arranged inside the hollow positioning column, and the inner side of the rack is slidably connected to a limit rod, and the limit rod is fixedly connected to the inside of the hollow positioning column, the bottom of the rack is meshed with a transmission gear, and the inner side of the transmission gear is fixedly connected to a rotating rod, both ends of the rotating rod are rotatably connected to the hollow positioning column, and the outer side of the rotating rod is fixedly connected to a pressure block.

[0007] Preferably, a sealing gasket is installed on one side of the first flange and the second flange, and the two sealing gaskets are in contact with each other. The provision of the sealing gasket can seal the connection between the first flange and the second flange.

[0008] Preferably, a plurality of circular holes are opened on one side of the second flange, and the other ends of the plurality of hollow positioning columns respectively pass through the plurality of circular holes, and the plurality of hollow positioning columns are all in contact with the second flange. The plurality of circular holes are opened so that the second flange can be placed on the plurality of hollow positioning columns.

[0009] Preferably, the operating structure includes a rotating ring, which is fixedly connected to the inner side of the large gear and rotatably connected to the outer side of the fixed tube. A worm gear is fixedly connected to the outer side of one end of the rotating ring, and a worm is meshedly connected to the outer side of the worm gear.

[0010] Preferably, support plates are rotatably connected to the outer sides of both ends of the worm, and the two support plates are fixedly connected to the first flange. A turning handle is installed at one end of the worm, and the arrangement of the two support plates provides rotational support for the worm.

[0011] Preferably, a mounting groove is provided on the outer side of one end of the rotating rod, and the transmission gear is arranged inside the mounting groove.

[0012] Preferably, a connecting groove is provided on the outside of the hollow positioning column, and the length of the connecting groove is greater than the length of the pressure block. The connecting groove is provided to facilitate the pressure block to be moved out from the inside of the hollow positioning column, and also to facilitate the pressure block to be retracted into the hollow positioning column.

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

[0014] 1. In the present application, the plurality of pressing blocks are respectively received into the plurality of hollow positioning columns through the plurality of connecting grooves, and the second flange is removed from the plurality of hollow positioning columns. This structural design not only allows the second flange to be installed quickly, but also allows for convenient 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 a quick-disassembly and assembly sealing flange of a hydraulic pump body according to the present invention;

[0016] Figure 2 This is a front view of a quick-disassembly sealing flange of a hydraulic pump body according to the present invention;

[0017] Figure 3 This is a cross-sectional view of a hollow positioning column of a quick-disassembly sealing flange of a hydraulic pump body according to the present invention;

[0018] Figure 4 This utility model is a quick disassembly and assembly sealing flange of a hydraulic pump body Figure 3 A magnified view of the structure of part A.

[0019] Numbers in the figure: 1. Pump body; 2. Fixed pipe; 3. First flange; 4. Second flange; 5. Hollow positioning column; 6. Pipe; 7. Rotating ring; 8. Worm gear; 9. Worm; 10. Support plate; 11. Large gear; 12. Small gear; 13. Threaded rod; 14. Rack; 15. Limit rod; 16. Connecting groove; 17. Transmission gear; 18. Rotating rod; 19. Pressure block. DETAILED DESCRIPTION

[0020] 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.

[0021] Example: Figure 1 - Figure 4As shown, the utility model provides a technical solution for the quick disassembly and assembly of the sealing flange of a hydraulic pump body, including a pump body 1, a fixed pipe 2 is installed at the end of the pump body 1, a first flange 3 is fixedly connected to the outside of one end of the fixed pipe 2, a second flange 4 is provided on one side of the first flange 3, a pipe 6 is fixedly connected to the inside of the second flange 4, a sealing gasket is installed on one side of the first flange 3 and the second flange 4, the two sealing gaskets are in contact, a plurality of hollow positioning columns 5 are provided on one side of the first flange 3, one end of the plurality of hollow positioning columns 5 all pass through the first flange 3 and are fixedly connected to the first flange 3, a plurality of circular holes are opened on one side of the second flange 4, the other ends of the plurality of hollow positioning columns 5 respectively pass through the plurality of circular holes, and the plurality of hollow positioning columns 5 are in contact with the second flange 4, a large gear 11 is provided on one side of the first flange 3, and an operating structure is provided on one side of the large gear 11. A plurality of pinions 12 are meshedly connected to the outside of the gear 11, and a threaded rod 13 is fixedly connected to one side of the pinion 12. One end of the threaded rod 13 passes through the hollow positioning column 5 and is rotatably connected to the hollow positioning column 5. A rack 14 is threadedly connected to the outside of the threaded rod 13, and the rack 14 is arranged inside the hollow positioning column 5. The inside of the rack 14 is slidably connected to the limit rod 15, and the limit rod 15 is fixedly connected to the inside of the hollow positioning column 5. The bottom of the rack 14 is meshed with a transmission gear 17, and the inside of the transmission gear 17 is fixedly connected to a rotating rod 18. Both ends of the rotating rod 18 are rotatably connected to the hollow positioning column 5. A mounting groove is provided on the outside of one end of the rotating rod 18, and the transmission gear 17 is arranged inside the mounting groove. A pressure block 19 is fixedly connected to the outside of the rotating rod 18, and a connecting groove 16 is provided on the outside of the hollow positioning column 5. The length of the connecting groove 16 is greater than the length of the pressure block 19.

[0022] The operating structure includes a rotating ring 7, which is fixedly connected to the inner side of the large gear 11, and the rotating ring 7 is rotatably connected to the outer side of the fixed tube 2. A worm gear 8 is fixedly connected to the outer side of one end of the rotating ring 7, and a worm 9 is meshedly connected to the outer side of the worm gear 8. Support plates 10 are rotatably connected to the outer sides of both ends of the worm 9. Both support plates 10 are fixedly connected to the first flange 3, and a turning handle is installed at one end of the worm 9.

[0023] Specifically, align the multiple circular holes with the multiple hollow positioning columns 5, place the second flange 4 on the multiple hollow positioning columns 5, and after the two sealing gaskets are in contact, rotate the handle in the forward direction, the worm 9 is engaged with the worm wheel 8, and the worm wheel 8 drives the large gear 11 to rotate through the rotating ring 7, and the large gear 11 is engaged with the multiple small gears 12, and the multiple small gears 12 respectively drive the multiple threaded rods 13 to rotate, and the multiple threaded rods 13 are respectively threadedly connected with the multiple racks 14, and the multiple racks 14 slide on the multiple limit rods 15, and the multiple racks 14 are respectively engaged with the multiple transmission gears 17, and the multiple transmission gears 17 are respectively engaged with the multiple The rotating rod 18 drives the multiple pressing blocks 19 to rotate, and the multiple pressing blocks 19 are respectively moved out from the multiple hollow positioning columns 5 through the multiple communicating grooves 16, and the multiple pressing blocks 19 can press the second flange 4 tightly. When the second flange 4 needs to be disassembled, the handle is rotated in the opposite direction. The principle is the same as above, and the multiple pressing blocks 19 can be respectively retracted into the multiple hollow positioning columns 5 through the multiple communicating grooves 16, and the second flange 4 can be removed from the multiple hollow positioning columns 5. This structural design not only allows the second flange 4 to be quickly installed, but also makes disassembly more convenient, thereby improving the practicality of the device.

[0024] 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 quick-disassembly sealing flange for a hydraulic pump body, characterized by: The invention comprises a pump body (1), wherein a fixing pipe (2) is installed at the end of the pump body (1), and a first flange (3) is fixedly connected to the outside of one end of the fixing pipe (2), a second flange (4) is provided on one side of the first flange (3), and a pipeline (6) is fixedly connected to the inside of the second flange (4), a plurality of hollow positioning columns (5) are provided on one side of the first flange (3), and one end of each of the plurality of hollow positioning columns (5) passes through the first flange (3) and is fixedly connected to the first flange (3), a large gear (11) is provided on one side of the first flange (3), an operating structure is provided on one side of the large gear (11), and a plurality of small gears (12) are meshed and connected to the outside of the large gear (11), and one side of the small gear (12) A threaded rod (13) is fixedly connected, one end of the threaded rod (13) passes through the hollow positioning column (5) and is rotatably connected to the hollow positioning column (5), the outer side of the threaded rod (13) is threadedly connected to a rack (14), the rack (14) is arranged inside the hollow positioning column (5), the inner side of the rack (14) is slidably connected to a limit rod (15), the limit rod (15) is fixedly connected to the inside of the hollow positioning column (5), the bottom of the rack (14) is meshed with a transmission gear (17), the inner side of the transmission gear (17) is fixedly connected to a rotating rod (18), both ends of the rotating rod (18) are rotatably connected to the hollow positioning column (5), and the outer side of the rotating rod (18) is fixedly connected to a pressing block (19).

2. The quick-disassembly sealing flange of a hydraulic pump body according to claim 1, characterized in that: A sealing gasket is installed on one side of the first flange (3) and the second flange (4), and the two sealing gaskets are in contact with each other.

3. The quick-disassembly sealing flange of a hydraulic pump body according to claim 1, characterized in that: A plurality of circular holes are provided on one side of the second flange (4), and the other ends of the plurality of hollow positioning columns (5) respectively pass through the plurality of circular holes, and the plurality of hollow positioning columns (5) are all in contact with the second flange (4).

4. The quick-disassembly sealing flange of a hydraulic pump body according to claim 1, characterized in that: The operating structure comprises a rotating ring (7), the rotating ring (7) being fixedly connected to the inner side of the large gear (11), the rotating ring (7) being rotatably connected to the outer side of the fixed tube (2), a worm wheel (8) being fixedly connected to the outer side of one end of the rotating ring (7), and a worm (9) being meshedly connected to the outer side of the worm wheel (8).

5. The quick-disassembly sealing flange of a hydraulic pump body according to claim 4, characterized in that: The outer sides of both ends of the worm (9) are rotatably connected to support plates (10), and the two support plates (10) are fixedly connected to the first flange (3). A turning handle is installed at one end of the worm (9).

6. The quick-disassembly sealing flange of a hydraulic pump body according to claim 1, characterized in that: A mounting groove is provided on the outer side of one end of the rotating rod (18), and the transmission gear (17) is arranged inside the mounting groove.

7. The quick-disassembly sealing flange of a hydraulic pump body according to claim 1, characterized in that: A connecting groove (16) is provided on the outside of the hollow positioning column (5), and the length of the connecting groove (16) is greater than the length of the pressing block (19).

Citation Information

Patent Citations

  • Rapid clamping device for hydraulic pump flange

    CN221792421U