CN218935070U

CN218935070U - Adjustable universal joint

Info

Publication number: CN218935070U
Application number: CN202320157226.7U
Authority: CN
Inventors: 徐锡水
Original assignee: Hangzhou Zhanyi Auto Parts Co ltd
Current assignee: Hangzhou Zhanyi Auto Parts Co ltd
Priority date: 2023-02-08
Filing date: 2023-02-08
Publication date: 2023-04-28
Anticipated expiration: 2033-02-08

Abstract

The utility model discloses an adjustable universal joint, which relates to the technical field of universal joints and comprises a universal shaft, wherein a main shaft is fixedly arranged on the universal shaft, an inner shaft is connected inside the main shaft in a sliding manner, a limiting block is fixedly arranged on the surface of the inner shaft, the limiting block is connected inside the main shaft in a sliding manner, a bolt is connected inside the inner shaft in a threaded manner, a baffle is fixedly arranged at one end of the bolt extending to the inner part of the inner shaft, the adjustable universal joint enables two extrusion blocks to drive two movable plates to slide on the surfaces of two square rods, two springs are extruded, and further two clamping blocks are clamped into the other clamping grooves, so that the inner shaft is fixed, the length of the inner shaft is convenient to adjust, the convenience of adjusting the length of the inner shaft is improved, the length of the main shaft and the length of the inner shaft is convenient to adjust according to the use requirement, the condition that the length of the main shaft is insufficient is prevented, the installation failure is caused, and the convenience of installation of a user is ensured.

Description

Adjustable universal joint

Technical Field

The utility model relates to the technical field of universal joints, in particular to an adjustable universal joint.

Background

The structure and function of the universal joint is somewhat like a joint on a human limb, which allows the angle between the connected parts to be varied within a certain range. In order to meet the requirements of power transmission, adaptation to the angle change caused by up-and-down jumping generated during steering and running of an automobile, a drive axle of the automobile is driven in front, and a half axle is connected with a wheel axle through a common universal joint. However, because the required deflection angle is relatively large due to the limitation of the axial dimension, the instantaneous angular velocity of the output shaft and the input shaft cannot be equal by a single universal joint, the vibration is easy to cause, the damage of parts is aggravated, and great noise is generated, so various constant velocity universal joints are widely adopted.

When carrying out the transmission, need use the universal joint, however present some universal joints are when using, and the length of main shaft is mostly fixed length, and then can not adjust the length of main shaft at the in-process of using, and then causes the universal joint when connecting easily, because the length of main shaft is not enough, and then can't adapt with the device, the length of main shaft is adjusted according to the demand of using to the while can not be fine.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides an adjustable universal joint which can solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a universal joint with adjustable, includes the cardan shaft, fixed mounting has the main shaft on the cardan shaft, and the inside sliding connection of main shaft has the interior axle, and the fixed mounting limiting block on the surface of interior axle, limiting block at the inside sliding connection of main shaft, the inside threaded connection of interior axle has the bolt, and the bolt extends to the inside one end fixed mounting of interior axle has the baffle, and the one end fixed mounting that the bolt was kept away from to the baffle has the push rod, and the shape of push rod lower extreme is conical.

Preferably, the inner part of the inner shaft is slidably connected with two moving blocks, and one side of each moving block opposite to the other side of each moving block is slidably penetrated through the inner shaft and is compressed and extended to the outer part of the inner shaft.

Preferably, two sides of the moving block opposite to each other are fixedly provided with clamping blocks, clamping grooves are formed in two sides of the inside of the main shaft, and the clamping blocks are matched with the clamping grooves.

Preferably, two opposite sides of the moving block are fixedly provided with extrusion blocks, and the two extrusion blocks are in sliding connection with the surface of the push rod.

Preferably, the bottoms of the two extrusion blocks are fixedly provided with moving plates, the inner part of the inner shaft is fixedly provided with two square rods, the two moving plates are respectively connected with the surfaces of the two square rods in a sliding manner, and one ends of the two square rods, which are opposite, are fixedly provided with limiting plates.

Preferably, the two square rods are movably sleeved with springs on the surfaces, one ends of the two springs opposite to each other are fixedly connected with the two movable plates respectively, and one ends of the two springs opposite to each other are fixedly connected with the inner part of the inner shaft.

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

this universal joint with adjustable makes two extrusion pieces drive two movable plates and slides on the surface of two square poles, extrudees two springs, and then makes two fixture blocks card advance the inside of another draw-in groove in addition, and then accomplishes the fixed to the interior axle, is convenient for adjust the length of interior axle, improves the convenience of adjusting interior axle length, is convenient for adjust the length of main shaft and interior axle according to the demand of using, and then prevents that the length of main shaft from being insufficient, causes unable installation, has guaranteed the convenience of user's installation.

This universal joint with adjustable, through the setting of baffle, be convenient for restrict the distance that the push rod removed, and then prevent when the push rod is at the downwardly moving, break away from with two extrusion pieces, be convenient for restrict the distance that push rod and bolt removed.

The adjustable universal joint is convenient for limiting the inner shaft through the arrangement of the limiting block, so that the inner shaft can only slide in the main shaft, and the inner shaft is prevented from rotating in the main shaft.

Drawings

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a schematic view of an adjustable universal joint according to the present utility model;

FIG. 2 is an enlarged schematic view of the utility model at A in FIG. 1;

FIG. 3 is an internal schematic view of the spindle of the present utility model;

FIG. 4 is a schematic view of a putter in accordance with the present utility model.

Reference numerals: 1. a universal shaft; 2. a main shaft; 3. a limiting block; 4. an inner shaft; 5. a bolt; 6. a clamping groove; 7. a moving block; 8. a clamping block; 9. a spring; 10. extruding a block; 11. a baffle; 12. a push rod; 13. a moving plate; 14. a limiting plate; 15. square bar.

Description of the embodiments

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an adjustable universal joint, includes cardan shaft 1, and fixed mounting has main shaft 2 on the cardan shaft 1, and the inside sliding connection of main shaft 2 has interior axle 4, and fixed mounting has restriction piece 3 on the surface of interior axle 4, restriction piece 3 at the inside sliding connection of main shaft 2.

The inner shaft 4 is conveniently limited by the limiting block 3, so that the inner shaft 4 can only slide in the main shaft 2, and the inner shaft 4 is prevented from rotating in the main shaft 2.

The inside threaded connection of interior axle 4 has bolt 5, and the bolt 5 extends to the inside one end fixed mounting of interior axle 4 and has baffle 11, and the one end fixed mounting that baffle 11 kept away from bolt 5 has push rod 12, and the shape of push rod 12 lower extreme is conical.

The inside sliding connection of interior axle 4 has two movable blocks 7, the one side that two movable blocks 7 are opposite all slides and runs through interior axle 4 and compress and extend to the outside of interior axle 4, the fixture block 8 is all fixed mounting in one side that two movable blocks 7 are opposite, draw-in groove 6 has all been seted up to the both sides of main shaft 2 inside, fixture block 8 coincide with draw-in groove 6, the one side that two movable blocks 7 are opposite all fixed mounting has extrusion piece 10, the surface sliding connection of two extrusion piece 10 and push rod 12, the bottom of two extrusion piece 10 is all fixed mounting has movable plate 13, the inside fixed mounting of interior axle 4 has two square poles 15, two movable plate 13 are respectively on the surface sliding connection of two square poles 15, the equal fixed mounting limiting plate 14 of one end that two square poles 15 are opposite, all movable sleeve has spring 9 on the surface of two square poles 15, the one end that two springs 9 are opposite respectively with two movable plate 13 fixed connection, the one end that two springs 9 are opposite all with the inside fixed connection of interior axle 4.

When adjusting the length of interior axle 4, rotate bolt 5, and then make the outside removal of the inwards axle 4 of bolt 5, and then make baffle 11 and push rod 12 outwards remove, and then make push rod 12 not extrude two extrusion pieces 10, and then make two extrusion pieces 10 and two movable plates 13 through the elasticity of two springs 9 move in opposite directions, and then make two movable plates 13 remove on the surface of two square poles 15, and then make two movable plates 13 and two limiting plate 14 contact, when two movable plates 13 remove, can make two extrusion pieces 10 and two movable blocks 7 remove, and then make two fixture blocks 8 outside the inside of card in two draw-in grooves 6, make interior axle 4 slide in main shaft 2, and then after interior axle 4 removes suitable distance, reverse rotation bolt 5 makes the inside removal of bolt 5 to interior axle 4, and then make baffle 11 and the inside removal of push rod 12 to interior axle 4, and then extrude two extrusion pieces 10 in opposite directions, and then make two extrusion pieces 10 remove two movable plates 13 and two limiting plates 14 contact, can make two extrusion pieces 10 and two movable blocks 7 remove, and then make two fixture blocks 8 outside the inside of card slot 6, and the inside of inner shaft 2 slide in main shaft 2, and then the length of inner shaft 4 is convenient for the length of two, and further length adjustment is adjusted to the length of two extrusion pieces 4 is convenient, and the length of the inside of the axle 4 is adjusted, and the length of the inside axle 4 is convenient to be adjusted.

Through the setting of baffle 11, be convenient for restrict the distance that push rod 12 moved, and then prevent when push rod 12 is moving downwards, break away from with two extrusion pieces 10, be convenient for restrict the distance that push rod 12 and bolt 5 moved.

Working principle:

the bolt 5 is rotated, and then the bolt 5 moves outwards to the outside of the inner shaft 4, and then the baffle 11 and the push rod 12 move outwards, and then the push rod 12 does not extrude the two extrusion blocks 10, and then the two extrusion blocks 10 and the two moving plates 13 move backwards through the elasticity of the two springs 9, and then the two moving plates 13 move on the surfaces of the two square rods 15, and then the two moving plates 13 are contacted with the two limiting plates 14, when the two moving plates 13 move, the two extrusion blocks 10 and the two moving blocks 7 move, and then the two clamping blocks 8 are not clamped in the inner parts of the two clamping grooves 6, the inner shaft 4 is pulled outwards, the inner shaft 4 slides in the spindle 2, and then after the inner shaft 4 moves to a proper distance, the bolt 5 moves backwards to the inner part of the inner shaft 4, and then the baffle 11 and the push rod 12 move inwards to the inner shaft 4, and then the two extrusion blocks 10 move backwards, and then the two extrusion blocks 10 drive the two moving plates 10 to drive the two clamping plates 13 to slide on the two surfaces of the two clamping rods 15 to the two clamping grooves 6, and then the two clamping grooves 4 can be adjusted conveniently, and the length of the other clamping blocks 4 can be adjusted.

The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.

Claims

1. An adjustable universal joint comprising a universal shaft (1), characterized in that: the novel universal shaft is characterized in that a main shaft (2) is fixedly installed on the universal shaft (1), an inner shaft (4) is connected to the main shaft (2) in a sliding mode, a limiting block (3) is fixedly installed on the surface of the inner shaft (4), the limiting block (3) is connected to the main shaft (2) in a sliding mode, a bolt (5) is connected to the inner shaft (4) in an internal thread mode, a baffle (11) is fixedly installed at one end of the inner shaft (4) extending to the inner portion of the bolt (5), a push rod (12) is fixedly installed at one end of the baffle (11) away from the bolt (5), and the lower end of the push rod (12) is conical.

2. An adjustable gimbal according to claim 1, wherein: the inside of the inner shaft (4) is connected with two moving blocks (7) in a sliding way, and one side of the two moving blocks (7) opposite to each other penetrates through the inner shaft (4) in a sliding way and is compressed and extended to the outside of the inner shaft (4).

3. An adjustable gimbal according to claim 2, wherein: clamping blocks (8) are fixedly arranged on one sides of the two moving blocks (7) which are opposite to each other, clamping grooves (6) are formed in two sides of the inside of the main shaft (2), and the clamping blocks (8) are matched with the clamping grooves (6).

4. An adjustable gimbal according to claim 3, wherein: the two opposite sides of the moving blocks (7) are fixedly provided with extrusion blocks (10), and the two extrusion blocks (10) are in sliding connection with the surface of the push rod (12).

5. An adjustable gimbal according to claim 4, wherein: the bottoms of the two extrusion blocks (10) are fixedly provided with moving plates (13), the inner part of the inner shaft (4) is fixedly provided with two square rods (15), the two moving plates (13) are respectively connected on the surfaces of the two square rods (15) in a sliding mode, and one ends, opposite to the two square rods (15), of the two square rods are fixedly provided with limiting plates (14).

6. An adjustable gimbal according to claim 5, wherein: the two square rods (15) are movably sleeved with springs (9) on the surfaces, one ends of the two springs (9) opposite to each other are fixedly connected with two movable plates (13) respectively, and one ends of the two springs (9) opposite to each other are fixedly connected with the inner part of the inner shaft (4).