CN213235847U

CN213235847U - Transmission shaft

Info

Publication number: CN213235847U
Application number: CN202021049381.XU
Authority: CN
Inventors: 叶华伟
Original assignee: Suzhou Biye Precision Machinery Co ltd
Current assignee: Suzhou Biye Precision Machinery Co ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2021-05-18
Anticipated expiration: 2030-06-10

Abstract

The utility model discloses a transmission shaft, including transmission shaft main part and universal joint fork, the fixed ball that is equipped with of one end of transmission shaft main part, spherical groove has been seted up to the one end of universal joint fork, changes the ball and inlays with spherical groove and establish and be connected, and the oil filler point that communicates with spherical groove is seted up to one side on universal joint fork top, and the inside of oil filler point is inlayed and is equipped with the sealing plug, inlays between the universal joint fork and is equipped with the connecting axle. The utility model discloses inlay through changeing ball and spherical groove between transmission shaft main part and the universal joint fork and establish, be convenient for adjust the angle of universal joint fork, simultaneously through the oil filler point of seting up, be convenient for regularly pour into lubricated liquid into to spherical inslot portion, reduce the frictional force between commentaries on classics ball and the spherical groove, the life of extension axis of rotation, the swivel through the connecting axle middle part rotates the rotation that drives positive and negative lead screw, rotation through positive and negative lead screw drives the flexible of two T type posts, through the flexible of T type post, be convenient for installation and dismantlement between connecting axle and the universal joint fork, conveniently change the connecting axle.

Description

Transmission shaft

Technical Field

The utility model relates to a transmission shaft technical field, in particular to transmission shaft.

Background

The transmission shaft is a high-speed, low-bearing rotating body, so that the dynamic balance of the transmission shaft is crucial. The dynamic balance test is carried out on a general transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the transmission is arranged to transmit the rotation of the transmission to the shaft of the final drive, and the transmission can be provided with a plurality of joints, and the joints can be connected through universal joints.

Current transmission shaft is in the use, and general threaded connection between transmission shaft main part and the universal joint fork is not convenient for universal joint fork angle regulation, influences the availability factor of transmission shaft, and the present transmission shaft is not convenient for lubricate simultaneously, has increased the friction between transmission shaft and the universal joint fork, influences the life of transmission shaft, consequently needs design a transmission shaft.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transmission shaft to the preceding transmission shaft that proposes in solving above-mentioned background art is not convenient for lubricate, has increased the friction between transmission shaft and the universal joint fork, influences the life problem of transmission shaft.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a transmission shaft, includes transmission shaft main part and universal joint fork, the fixed ball that changes that is equipped with of one end of transmission shaft main part, spherical groove has been seted up to the one end of universal joint fork, it establishes the connection with spherical groove to change the ball to inlay, the oil filler point with spherical groove intercommunication is seted up to one side on universal joint fork top, the inside of oil filler point is inlayed and is equipped with the sealing plug, it is equipped with the connecting axle to inlay between the universal joint fork.

Preferably, the limiting grooves are formed in the two sides of the sealing plug, two limiting springs are fixedly mounted on the wall of one side of each limiting groove, two limiting columns are fixedly mounted on one ends of the limiting springs, clamping grooves are formed in the two sides of the oil filling hole, and the limiting columns are connected with the clamping grooves in a clamped mode.

Preferably, the sliding grooves communicated with the limiting grooves are formed in two sides of the top end of the sealing plug, sliding blocks are connected to the inner portions of the sliding grooves in a sliding mode, and the bottom ends of the sliding blocks are fixedly connected with one side of the top end of the corresponding limiting column.

Preferably, T type groove has all been seted up at the both ends of connecting axle, two T type post is all inlayed and is equipped with in the inside in T type groove, two positive and negative lead screw, two alternate between the T type groove and be connected with positive and negative lead screw, two the both ends of positive and negative lead screw and the both ends threaded connection who corresponds T type post.

Preferably, the middle part of the connecting shaft is rotatably connected with a rotating ring, and the inner ring of the rotating ring is fixedly connected with the middle parts of the positive and negative screw rods.

Preferably, the transmission shaft main body and the universal joint fork are made of carbon steel.

The utility model discloses a technological effect and advantage:

(1) the transmission shaft main body and the universal joint fork are embedded through the rotating ball and the spherical groove, so that the angle of the universal joint fork can be conveniently adjusted, meanwhile, through the arranged oil injection hole, lubricating liquid can be conveniently and periodically injected into the spherical groove, the friction force between the rotating ball and the spherical groove is reduced, and the service life of the rotating shaft is prolonged;

(2) the rotating ring at the middle part of the connecting shaft rotates to drive the positive and negative screw rods to rotate, the positive and negative screw rods rotate to drive the two T-shaped columns to stretch, and the T-shaped columns stretch so as to facilitate the installation and the disassembly between the connecting shaft and the universal joint fork and facilitate the replacement of the connecting shaft.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the universal joint yoke of the present invention.

Fig. 3 is a schematic view of the connection structure between the transmission shaft main body and the universal joint fork of the present invention.

Fig. 4 is a schematic view of the cross-sectional structure of the connecting shaft of the present invention.

Fig. 5 is an enlarged view of fig. 3A according to the present invention.

Fig. 6 is a schematic view of the structure of the rotary ring and the positive and negative lead screws of the present invention.

In the figure: 1. a drive shaft body; 2. a universal joint yoke; 3. a sealing plug; 4. rotating the ball; 5. a connecting shaft; 6. rotating the ring; 7. a T-shaped groove; 8. a T-shaped column; 9. a positive and negative screw rod; 10. a limiting groove; 11. a limiting spring; 12. a slider; 13. a limiting column; 14. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a transmission shaft as shown in figures 1-6, including transmission shaft main part 1 and universal joint fork 2, the fixed ball 4 that is equipped with in one end of transmission shaft main part 1, the spherical groove has been seted up to the one end of universal joint fork 2, ball 4 and spherical groove are inlayed and are established and be connected, the oil filler point that communicates with the spherical groove is seted up to one side of universal joint fork 2 top, the inside of oil filler point is inlayed and is equipped with sealing plug 3, it is inlayed and is equipped with connecting axle 5 to inlay between the universal joint fork 2, transmission shaft main part 1 and universal joint fork 2 are carbon steel material, inlay through ball 4 and spherical groove between transmission shaft main part 1 and the universal joint fork 2 and establish, be convenient for adjust the direction of universal joint;

spacing groove 10 has all been seted up to sealing plug 3's both sides, the equal fixed mounting of one side cell wall of two spacing grooves 10 has spacing spring 11, the equal fixed mounting of one end of two spacing spring 11 has spacing post 13, draw-in groove 14 is all seted up to the both sides of oil filler point, two spacing posts 13 are connected with draw-in groove 14 block, the spout with spacing groove 10 intercommunication is all seted up to the top both sides of sealing plug 3, the equal sliding connection in inside of two spouts has slider 12, the bottom of two slider 12 and the one side fixed connection who corresponds spacing post 13 top, slider 12 through sliding connection drives spacing post 13's removal, thereby make spacing post 13 and draw-in groove 14 separation, be convenient for extract of sealing plug 3, pour into lubricating oil into to spherical inslot portion through the oil filler point, reduce the frictional force between ball 4 and the spherical groove.

T type groove 7 has all been seted up at the both ends of connecting axle 5, T type post 8 has all been inlayed in the inside of two T type grooves 7, it is connected with positive and negative lead screw 9 to alternate between two T type grooves 7, the both ends of two positive and negative lead screw 9 and the both ends threaded connection who corresponds T type post 8, the middle part of connecting axle 5 is rotated and is connected with swivel 6, the inner circle of swivel 6 and the middle part fixed connection of positive and negative lead screw 9, the rotation through swivel 6 drives the rotation of positive and negative lead screw 9, the rotation through positive and negative lead screw 9 drives the removal of two T type posts 8, through the removal of T type post 8, be convenient for the installation and the dismantlement of connecting.

The utility model discloses the theory of operation: when the connecting part of the transmission shaft main body 1 and the universal joint fork 2 needs to be lubricated, firstly, two artificial sliding blocks 12 are used, two limiting columns 13 are driven to move through the movement of the two sliding blocks 12, the limiting columns 13 are separated from the clamping grooves 14 through the movement of the limiting columns 13, then the sealing plug 3 is artificially pulled out, then lubricating oil is injected into the spherical groove from the oil injection hole, the friction force between the transmission shaft main body 1 and the universal joint fork 2 is reduced, the service life of the transmission shaft is prolonged, when the connecting shaft 5 needs to be replaced, the rotary ring 6 is artificially rotated, the rotary ring 6 is rotated to drive the positive and negative screw rod 9 to rotate, the two T-shaped columns 8 are driven to move towards the inside of the T-shaped groove 7 through the rotation of the positive and negative screw rod 9, so that the connecting shaft 5 is separated from the universal joint fork 2, and the disassembly of the.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard parts that use all can purchase from the market, and dysmorphism piece all can be customized according to the record of the description with the drawing.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a transmission shaft, includes transmission shaft main part (1) and universal joint fork (2), its characterized in that, the fixed ball (4) that is equipped with of one end of transmission shaft main part (1), spherical groove has been seted up to the one end of universal joint fork (2), ball (4) are inlayed with spherical groove and are established and be connected, the oil filler point with spherical groove intercommunication is seted up to one side on universal joint fork (2) top, the inside of oil filler point is inlayed and is equipped with sealing plug (3), it is equipped with connecting axle (5) to inlay between universal joint fork (2).

2. A transmission shaft according to claim 1, wherein both sides of the sealing plug (3) are provided with a limiting groove (10), one side groove wall of each of the two limiting grooves (10) is fixedly provided with a limiting spring (11), one end of each of the two limiting springs (11) is fixedly provided with a limiting column (13), both sides of the oil injection hole are provided with clamping grooves (14), and the two limiting columns (13) are connected with the clamping grooves (14) in a clamping manner.

3. A transmission shaft according to claim 1, wherein sliding grooves communicated with the limiting groove (10) are formed in both sides of the top end of the sealing plug (3), sliding blocks (12) are slidably connected inside the two sliding grooves, and the bottom ends of the two sliding blocks (12) are fixedly connected with one side of the top end of the corresponding limiting column (13).

4. A transmission shaft according to claim 1, wherein T-shaped grooves (7) are formed at both ends of the connecting shaft (5), T-shaped columns (8) are embedded in both T-shaped grooves (7), a positive and negative lead screw (9) is inserted and connected between both T-shaped grooves (7), and both ends of both positive and negative lead screws (9) are in threaded connection with both ends of corresponding T-shaped columns (8).

5. A transmission shaft according to claim 1, wherein the middle of the connecting shaft (5) is rotatably connected with a rotating ring (6), and the inner ring of the rotating ring (6) is fixedly connected with the middle of the positive and negative screw rod (9).

6. A propeller shaft as claimed in claim 1, wherein the main body (1) and the yoke (2) are both of carbon steel.