CN216518971U

CN216518971U - Enhanced cycloid hydraulic motor

Info

Publication number: CN216518971U
Application number: CN202220026015.5U
Authority: CN
Inventors: 徐威
Original assignee: Boca Hydraulic Shenzhen Co ltd
Current assignee: Boca Hydraulic Shenzhen Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-05-13
Anticipated expiration: 2032-01-06

Abstract

The utility model relates to the technical field of cycloid hydraulic motors, in particular to an enhanced cycloid hydraulic motor, which comprises a cycloid hydraulic motor main body, wherein one end of the cycloid hydraulic motor main body is provided with a transmission shaft, the outer side of the end part of the transmission shaft is provided with a key groove, the cycloid hydraulic motor main body is provided with an oil inlet pipe and an oil outlet pipe, the inner parts of the oil inlet pipe and the oil outlet pipe are both connected with an oil delivery pipe, the outer wall of the oil delivery pipe, which is close to one end of the oil inlet pipe and the oil outlet pipe, is annularly provided with a limiting clamping groove, a fixing ring is fixedly arranged in the limiting clamping groove, clamping blocks are symmetrically arranged on two sides of the outer wall of the fixing ring, clamping grooves for clamping the clamping blocks are arranged at the top ends of the inner walls of the oil inlet pipe and the oil outlet pipe, heat is rapidly dissipated through a plurality of groups of radiating fins, the radiating effect is improved, and the enhanced cycloid hydraulic motor enables the installation and the disassembly of the oil pipe to be rapid and convenient, the convenience is improved.

Description

Enhanced cycloid hydraulic motor

Technical Field

The utility model relates to the technical field of cycloid hydraulic motors, in particular to an enhanced cycloid hydraulic motor.

Background

A gerotor hydraulic motor is a device that converts hydraulic energy into mechanical energy. The motor has the characteristics of simple structure, wide rotating speed range and large torque, so the motor is widely applied to the fields of engineering machinery, agricultural machinery, fishery machinery and the like.

The existing cycloid hydraulic motor needs to be connected with an oil delivery pipe for delivering hydraulic oil into a cavity of the cycloid hydraulic motor, the existing oil delivery pipe is inconvenient to install and disassemble, a large amount of time needs to be wasted during replacement, time and labor are wasted, the sealing effect of pipeline connection is poor, oil leakage risks easily occur, and therefore an enhanced cycloid hydraulic motor is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an enhanced gerotor hydraulic motor that solves the problems set forth above in the background.

In order to achieve the purpose, the utility model provides the following technical scheme:

an enhanced cycloid hydraulic motor comprises a cycloid hydraulic motor main body, wherein one end of the cycloid hydraulic motor main body is provided with a transmission shaft, the outer side of the end part of the transmission shaft is provided with a key groove, the cycloid hydraulic motor main body is provided with an oil inlet pipe and an oil outlet pipe, the inner parts of the oil inlet pipe and the oil outlet pipe are both connected with an oil delivery pipe, the outer wall of one end, close to the oil inlet pipe and the oil outlet pipe, of the oil delivery pipe is annularly provided with a limiting clamping groove, a fixing ring is fixedly installed in the limiting clamping groove, clamping blocks are symmetrically installed on two sides of the outer wall of the fixing ring, clamping grooves for clamping the clamping blocks are formed in the top ends of the inner walls of the oil inlet pipe and the oil outlet pipe, a first sealing structure is arranged below the clamping grooves on the inner walls of the oil inlet pipe and the oil outlet pipe, and a fixing plate is fixedly connected below the first sealing structure on the inner walls of the oil inlet pipe and the oil outlet pipe, an extrusion plate is movably arranged between the fixed plate and the first sealing structure, a second sealing structure is arranged at the top of the extrusion plate, and a resisting spring is arranged between the extrusion plate and the fixed plate.

Preferably, the symmetry of joint groove is provided with two on advancing the inner wall of oil pipe and play oil pipe, the joint groove includes the insertion groove, slides groove and fixed slot, the insertion groove is vertical to be seted up on advancing the inner wall of oil pipe and play oil pipe, the top of insertion groove extends to the port department that advances oil pipe and play oil pipe, the bottom of insertion groove transversely is provided with slides the groove, the top that insertion groove one end was kept away from to the groove that slides is provided with the fixed slot, insertion groove, slide groove and fixed slot are linked together.

Preferably, the first sealing structure comprises a first sealing groove annularly formed in the inner wall of the oil inlet pipe and the inner wall of the oil outlet pipe, a first sealing ring is connected in the first sealing groove in a clamping mode, and the thickness of the first sealing ring is larger than the depth of the first sealing groove.

Preferably, the second seal structure includes that the annular is seted up at the second seal groove at stripper plate top, the joint has the second sealing washer in the second seal groove, the width of second seal groove is greater than the pipeline wall thickness of defeated oil pipe, the degree of depth of second seal groove is greater than the thickness of second sealing washer, the tip of defeated oil pipe is arranged in the second seal groove.

Preferably, the opposite surfaces of the fixed plate and the extrusion plate are respectively provided with a first spring clamping groove and a second spring clamping groove, the diameters of the first spring clamping groove and the second spring clamping groove are larger than the diameter of the abutting spring, and the two ends of the abutting spring are respectively clamped into the first spring clamping groove and the second spring clamping groove.

Preferably, four sliding grooves are formed in the fixed plate and the first sealing structure at equal intervals along the axis direction, four sliding blocks are arranged on the periphery of the outer wall of the extrusion plate at equal intervals, and the extrusion plate is connected with the oil inlet pipe and the oil outlet pipe in a sliding mode through the sliding blocks and the sliding grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the oil pipe connecting structure, when a pipeline is connected, an oil pipe is inserted into an oil inlet pipe and an oil outlet pipe, two clamping blocks on the oil pipe correspond to clamping grooves in position, the clamping blocks are inserted into the inserting grooves, the end portions of the oil pipe are in contact with the extrusion plate and press the extrusion plate to the direction of the fixing plate to extrude the abutting springs, when the clamping blocks reach the bottom ends of the inserting grooves, the oil pipe is rotated, the clamping blocks move in the sliding grooves to reach the fixing grooves, then the oil pipe is loosened, the extrusion plate and the oil pipe are pushed upwards under the elastic action of the abutting springs, the clamping blocks are clamped into the fixing grooves, the oil pipe is connected and fixed, the oil pipe is mounted and dismounted rapidly and conveniently, and convenience is improved.

2. According to the oil pipeline sealing structure, when an oil pipeline is connected, the end part of the oil pipeline is arranged in the second sealing groove, so that the end part of the oil pipeline is tightly attached to the end part of the oil pipeline to form a first seal, the first sealing ring is tightly attached to the outer wall of the oil pipeline to form a second seal, the sealing performance of pipeline connection is improved, and the risk of oil leakage is avoided.

Drawings

Fig. 1 is a schematic view of the overall structure of an enhanced cycloid hydraulic motor according to the present invention;

FIG. 2 is a schematic view of a connection structure of an oil delivery pipe, an oil inlet pipe and an oil outlet pipe of the enhanced cycloid hydraulic motor of the present invention;

fig. 3 is a sectional view of an oil inlet pipe and an oil outlet pipe of an enhanced cycloid hydraulic motor of the present invention.

In the figure: 1. a gerotor hydraulic motor body; 2. a drive shaft; 3. a keyway; 4. an oil inlet pipe; 401. a chute; 5. an oil outlet pipe; 6. an oil delivery pipe; 601. a limiting clamping groove; 602. a fixing ring; 603. a clamping block; 7. a clamping groove; 701. inserting the groove; 702. a sliding groove; 703. fixing grooves; 8. a first seal groove; 801. a first seal ring; 9. a fixing plate; 901. a first spring catch; 10. a pressing plate; 1001. a second spring catch; 1002. a second seal groove; 1003. a second seal ring; 1004. a slider; 11. the spring is pressed tightly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, the present invention provides a technical solution:

an enhanced cycloid hydraulic motor comprises a cycloid hydraulic motor main body 1, one end of the cycloid hydraulic motor main body 1 is provided with a transmission shaft 2, the outer side of the end part of the transmission shaft 2 is provided with a key groove 3, the cycloid hydraulic motor main body 1 is provided with an oil inlet pipe 4 and an oil outlet pipe 5, the inner parts of the oil inlet pipe 4 and the oil outlet pipe 5 are both connected with an oil delivery pipe 6, the outer wall of the oil delivery pipe 6 close to one end of the oil inlet pipe 4 and the oil outlet pipe 5 is annularly provided with a limiting clamping groove 601, a fixing ring 602 is fixedly installed in the limiting clamping groove 601, clamping blocks 603 are symmetrically installed on two sides of the outer wall of the fixing ring 602, clamping grooves 7 for the clamping blocks 603 to be clamped in are formed in the top ends of the inner walls of the oil inlet pipe 4 and the oil outlet pipe 5, a first sealing structure is arranged below the clamping grooves 7 on the inner walls of the oil inlet pipe 4 and the oil outlet pipe 5, a fixing plate 9 is fixedly connected below the first sealing structure, an extrusion plate 10 is movably arranged between a fixed plate 9 and a first sealing structure, a second sealing structure is arranged at the top of the extrusion plate 10, a resisting spring 11 is arranged between the extrusion plate 10 and the fixed plate 9, two clamping grooves 7 are symmetrically arranged on the inner walls of an oil inlet pipe 4 and an oil outlet pipe 5, each clamping groove 7 comprises an insertion groove 701, a sliding groove 702 and a fixing groove 703, the insertion groove 701 is vertically arranged on the inner walls of the oil inlet pipe 4 and the oil outlet pipe 5, the top end of the insertion groove 701 extends to the port of the oil inlet pipe 4 and the oil outlet pipe 5, the bottom end of the insertion groove 701 is transversely provided with the sliding groove 702, the top of one end, away from the insertion groove 701, of the sliding groove 702 is provided with the fixing groove 703, the insertion groove 701, the sliding groove 702 and the fixing groove 703 are communicated, when in connection, an oil conveying pipe 6 is firstly inserted into the oil inlet pipe 4 and the oil outlet pipe 5, then two clamping blocks 603 on the oil conveying pipe 6 correspond to the positions of the clamping grooves 7, insert fixture block 603 from insertion groove 701, the tip contact stripper plate 10 of defeated oil pipe 6 this moment and press extrusion to fixed plate 9 orientation with stripper plate 10 and support tight spring 11, when fixture block 603 reachs the insertion groove 701 bottom, rotate defeated oil pipe 6, make fixture block 603 remove in sliding groove 702 and reach fixed slot 703 department, then loosen defeated oil pipe 6, can upwards promote stripper plate 10 and defeated oil pipe 6 under the elastic action that supports tight spring 11, thereby make fixture block 603 card go into in the fixed slot 703, it is fixed to connect defeated oil pipe 6, make oil pipe's installation and dismantlement all comparatively convenient fast, improve the convenience.

In this embodiment, referring to fig. 3, the second sealing structure includes a second sealing groove 1002 annularly formed in the top of the extrusion plate 10, a second sealing ring 1003 is clamped in the second sealing groove 1002, the width of the second sealing groove 1002 is greater than the wall thickness of the oil delivery pipe 6, the depth of the second sealing groove 1002 is greater than the thickness of the second sealing ring 1003, the end of the oil delivery pipe 6 is disposed in the second sealing groove 1002, when the oil delivery pipe 6 is connected, the end of the oil delivery pipe 6 is disposed in the second sealing groove 1002, so that the end of the oil delivery pipe 6 is tightly attached to the end of the oil delivery pipe 6, and the sealing performance of the pipe connection is improved.

In this embodiment, referring to fig. 2 and fig. 3, the first sealing structure includes a first sealing groove 8 annularly disposed on the inner walls of the oil inlet pipe 4 and the oil outlet pipe 5, a first sealing ring 801 is clamped in the first sealing groove 8, the thickness of the first sealing ring 801 is greater than the depth of the first sealing groove 8, after the oil delivery pipe 6 is connected, the first sealing ring 801 can be tightly attached to the outer wall of the oil delivery pipe 6, so as to form a second sealing, and improve the sealing effect.

In this embodiment, please refer to fig. 3, a first spring clamping groove 901 and a second spring clamping groove 1001 are respectively formed in opposite surfaces of the fixing plate 9 and the extrusion plate 10, diameters of the first spring clamping groove 901 and the second spring clamping groove 1001 are larger than a diameter of the abutting spring 11, two ends of the abutting spring 11 are respectively clamped into the first spring clamping groove 901 and the second spring clamping groove 1001, the position of the abutting spring 11 can be limited and fixed through the first spring clamping groove 901 and the second spring clamping groove 1001, and the abutting spring 11 is prevented from generating displacement, so that the use performance of the spring is affected.

In this embodiment, referring to fig. 3, four sliding grooves 401 are formed between the fixing plate 9 and the first sealing structure at equal intervals along the axis direction, four sliding blocks 1004 are arranged around the outer wall of the extrusion plate 10 at equal intervals, the extrusion plate 10 is connected with the oil inlet pipe 4 and the oil outlet pipe 5 through the sliding blocks 1004 and the sliding grooves 401 in a sliding manner, and the sliding blocks 1004 and the sliding grooves 401 are arranged to improve the moving stability of the extrusion plate 10, so that the position deviation of the extrusion plate 10 is avoided, and the sealing effect is not affected.

The working principle of the utility model is as follows: when in connection, firstly, the oil delivery pipe 6 is inserted into the oil inlet pipe 4 and the oil outlet pipe 5, then the two clamping blocks 603 on the oil delivery pipe 6 correspond to the clamping grooves 7, the clamping blocks 603 are inserted from the insertion groove 701, at the moment, the end part of the oil delivery pipe 6 contacts the extrusion plate 10 and presses and extrudes the extrusion plate 10 towards the direction of the fixing plate 9 to abut against the spring 11, when the clamping blocks 603 reach the bottom end of the insertion groove 701, the oil delivery pipe 6 is rotated, so that the clamping blocks 603 move in the sliding groove 702 to reach the fixing groove 703, then the oil delivery pipe 6 is loosened, the extrusion plate 10 and the oil delivery pipe 6 are pushed upwards under the elastic action of the abutting spring 11, so that the clamping blocks 603 are clamped in the fixing groove 703, the oil delivery pipe 6 is connected and fixed, at the moment, the end part of the oil delivery pipe 6 is arranged in the second sealing groove 1002, so that the end part of the oil delivery pipe 6 is tightly attached to the end part of the oil delivery pipe 6 to form a first seal, the first sealing ring 801 is tightly attached to the outer wall of the oil delivery pipe 6, form the second and seal to improve the leakproofness of pipe connection, make oil pipe's installation and dismantlement all comparatively convenient fast, improve the convenience.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides an enhancement mode cycloid hydraulic motor, includes cycloid hydraulic motor main part (1), cycloid hydraulic motor main part (1) one end is provided with transmission shaft (2), the tip outside of transmission shaft (2) is provided with keyway (3), be provided with on cycloid hydraulic motor main part (1) and advance oil pipe (4) and go out oil pipe (5), its characterized in that: the oil feeding pipe is characterized in that an oil feeding pipe (6) is connected to the inside of the oil feeding pipe (4) and the oil discharging pipe (5), a limiting clamping groove (601) is formed in the outer wall, close to one end of the oil feeding pipe (4) and the oil discharging pipe (5), of the oil feeding pipe (6), a fixing ring (602) is fixedly installed in the limiting clamping groove (601), clamping blocks (603) are symmetrically installed on the two sides of the outer wall of the fixing ring (602), clamping grooves (7) for clamping the clamping blocks (603) are formed in the top ends of the inner walls of the oil feeding pipe (4) and the oil discharging pipe (5), a first sealing structure is arranged below the clamping grooves (7) on the inner walls of the oil feeding pipe (4) and the oil discharging pipe (5), a fixing plate (9) is fixedly connected to the lower portion of the first sealing structure on the inner walls of the oil feeding pipe (4) and the oil discharging pipe (5), and an extrusion plate (10) is movably arranged between the fixing plate (9) and the first sealing structure, the top of the extrusion plate (10) is provided with a second sealing structure, and a pressing spring (11) is arranged between the extrusion plate (10) and the fixing plate (9).

2. An enhanced gerotor hydraulic motor as set forth in claim 1, further comprising: joint groove (7) symmetry is provided with two on the inner wall of advancing oil pipe (4) and producing oil pipe (5), joint groove (7) are including insertion groove (701), groove (702) and fixed slot (703) slide, insertion groove (701) are vertical to be seted up on the inner wall of advancing oil pipe (4) and producing oil pipe (5), the top of insertion groove (701) extends to the port department of advancing oil pipe (4) and producing oil pipe (5), the bottom of insertion groove (701) transversely is provided with groove (702) slides, the top that insertion groove (701) one end was kept away from in groove (702) that slides is provided with fixed slot (703), insertion groove (701), groove (702) and fixed slot (703) that slide are linked together.

3. An enhanced gerotor hydraulic motor as set forth in claim 1, further comprising: first seal structure includes that the annular is seted up and is advanced oil pipe (4) and go out first seal groove (8) on oil pipe (5) inner wall, the joint has first sealing washer (801) in first seal groove (8), the thickness of first sealing washer (801) is greater than the degree of depth of first seal groove (8).

4. An enhanced gerotor hydraulic motor as set forth in claim 1, further comprising: the second seal structure includes that the annular is seted up in second seal groove (1002) at stripper plate (10) top, the joint has second sealing washer (1003) in second seal groove (1002), the width of second seal groove (1002) is greater than the pipeline wall thickness of defeated oil pipe (6), the degree of depth of second seal groove (1002) is greater than the thickness of second sealing washer (1003), the tip of defeated oil pipe (6) is arranged in second seal groove (1002).

5. An enhanced gerotor hydraulic motor as set forth in claim 1, further comprising: the opposite surfaces of the fixed plate (9) and the extrusion plate (10) are respectively provided with a first spring clamping groove (901) and a second spring clamping groove (1001), the diameters of the first spring clamping groove (901) and the second spring clamping groove (1001) are larger than the diameter of the abutting spring (11), and two ends of the abutting spring (11) are respectively clamped into the first spring clamping groove (901) and the second spring clamping groove (1001).

6. An enhanced gerotor hydraulic motor as set forth in claim 1, further comprising: four sliding grooves (401) are formed in the position between the fixing plate (9) and the first sealing structure at equal intervals along the axis direction, four sliding blocks (1004) are arranged on the periphery of the outer wall of the extrusion plate (10) at equal intervals, and the extrusion plate (10) is in sliding connection with the oil inlet pipe (4) and the oil outlet pipe (5) through the sliding blocks (1004) and the sliding grooves (401).