CN215920341U

CN215920341U - Assembling tool for connecting structure of transmission shaft and input shaft

Info

Publication number: CN215920341U
Application number: CN202122318779.XU
Authority: CN
Inventors: 姚刚; 韩丽雅
Original assignee: Tianjin Chenggang Machinery Manufacturing Co ltd
Current assignee: Tianjin Chenggang Machinery Manufacturing Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-03-01
Anticipated expiration: 2031-09-24

Abstract

The utility model relates to the technical field of transmission shafts, in particular to an assembling tool for a connecting structure of a transmission shaft and an input shaft. The connecting device comprises a connecting sleeve, a limiting device and a sealing device, wherein a first shaft body is inserted into one end of the connecting sleeve, a second shaft body is sleeved on the other end of the connecting sleeve, the limiting device is arranged on the surface of the connecting sleeve and comprises a pin hole, a positioning pin is arranged in the pin hole in a sliding mode and is arranged in an installation barrel in a sliding mode, a fixing rod is fixedly arranged on the surface of the installation barrel, a first threaded sleeve is fixedly arranged in the fixing rod, a screw rod is connected to the inner threads of the first threaded sleeve in a threaded mode, a C-shaped clamping jaw is rotatably arranged at one end, close to the first shaft body, of the screw rod, and the C-shaped clamping jaw is arranged on the surface of the first shaft body. The problem of can not pinpoint during the assembly, and the atress is uneven makes the assembly waste time and energy is solved.

Description

Assembling tool for connecting structure of transmission shaft and input shaft

Technical Field

The utility model relates to the technical field of transmission shafts, in particular to an assembling tool for a connecting structure of a transmission shaft and an input shaft.

Background

At present, a connecting structure of a transmission shaft and a rear axle input shaft on an automobile is connected by adopting a flange and a bolt-nut assembly, a plurality of groups of bolt-nut assemblies are used for connecting a transmission shaft output flange with a flange on the rear axle input shaft, and a square flange can be pressed into a corresponding flange positioning hole by utilizing the pulling force in the bolt tightening process.

The existing connecting structure of the transmission shaft and the rear axle input shaft is complex, the production process is difficult, the cost is high, the positioning cannot be accurately carried out during the assembly, the assembly is time-consuming and labor-consuming due to uneven stress, and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects that in the prior art, the connecting structure is complex, the production process is difficult, the cost is high, and the positioning cannot be accurately carried out during assembly, so that the assembly is time-consuming and labor-consuming.

In order to achieve the purpose, the utility model adopts the following technical scheme: an assembling tool of a connecting structure of a transmission shaft and an input shaft comprises a connecting sleeve, a limiting device and a sealing device, wherein a first shaft body is inserted into one end of the connecting sleeve, a second shaft body is sleeved on the other end of the connecting sleeve, the limiting device is arranged on the surface of the connecting sleeve and comprises a pin hole, the pin hole is formed in the surface of the connecting sleeve, a positioning pin is slidably installed in the pin hole and is slidably installed in an installing cylinder, a fixing rod is fixedly installed on the surface of the installing cylinder, a first threaded sleeve is fixedly installed in the fixing rod, a screw rod is connected to the inner thread of the first threaded sleeve in a threaded mode, a C-shaped clamping jaw is rotatably installed at one end, close to the first shaft body, of the screw rod, and the C-shaped clamping jaw is arranged on the surface of the first shaft body; the locating pin slides in installation section of thick bamboo inside to compression spring places the installation section of thick bamboo in the pinhole department on adapter sleeve surface, loosens the handle, and the elasticity effect of spring this moment can move the locating pin towards the pinhole, and with the pinhole cooperation, fix a position.

Preferably, a handle is fixedly arranged on the surface of the positioning pin, which is far away from the connecting sleeve, and a spring is fixedly arranged between the handle and the positioning pin; through the elasticity effect of spring, can move the locating pin towards the pinhole to with pinhole cooperation, fix a position.

Preferably, a first sliding rod is slidably mounted inside the C-shaped clamping jaw, and a screw is connected to the surface of the C-shaped clamping jaw in a threaded manner; the first sliding rod is locked through a screw, so that the first shaft body can be clamped.

Preferably, a second thread sleeve is sleeved on the surface of the screw rod close to the connecting sleeve in a threaded manner, a connecting rod is fixedly mounted on the surface of the second thread sleeve, two clamping plates are rotatably mounted at the free ends of the connecting rod, and bolts are movably mounted at the free ends of the two clamping plates; the screw rod can be kept horizontal, and the phenomenon that the assembly precision is influenced due to deviation in the subsequent rotation process is avoided.

Preferably, a sealing device is arranged between the connecting sleeve and the first shaft body, the sealing device comprises a first fixing ring, the first fixing ring is fixedly installed on the inner wall of the connecting sleeve, a second fixing ring is fixedly installed on the surface, close to the inner wall of the connecting sleeve, of the first shaft body, grooves are formed in the surfaces, close to each other, of the first fixing ring and the second fixing ring, a first rubber ring is fixedly installed in the groove in the first fixing ring, and a second rubber ring is slidably installed in the groove in the second fixing ring; be connected through second rubber circle and first rubber circle to make and seal between first axis body and the adapter sleeve, leakproofness is poor when avoiding the transmission shaft to use, makes gas leakage, thereby causes environmental pollution.

Preferably, the number of the second rubber rings is two, and an arc-shaped rod is connected between the interiors of the two second rubber rings in a sliding manner; so that the second rubber ring can move and can be magnetically connected with the first rubber ring.

Preferably, a gasket is arranged between the first shaft body and the connecting sleeve, and the gasket is an annular sealing ring; the sealing performance between the first shaft body and the connecting sleeve is prevented from being reduced due to abrasion.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. when the C-shaped clamping rod is used, the two clamping plates are arranged on the surface of the connecting sleeve through the bolts, so that the screw rod can be kept horizontal, the phenomenon that the screw rod deviates during subsequent rotation and the assembly precision is influenced is avoided, the C-shaped clamping rod is arranged on the surface of the first shaft body, the first sliding rod is locked through the sliding of the first sliding rod and the screw, so that the first shaft body can be clamped, the C-shaped clamping rod is driven to move through rotating the screw rod, the C-shaped clamping rod drives the first shaft body to move, so that the first shaft body and the connecting sleeve can be installed, the two handles are pulled, the positioning pin slides in the installation barrel at the moment, the spring is compressed, the installation barrel is arranged at the pin hole on the surface of the connecting sleeve, the handles are loosened, the positioning pin can move towards the pin hole and is matched with the pin hole to perform positioning under the elastic action of the spring, but the positioning pin does not penetrate through the inner wall of the connecting sleeve, the screw rod rotates and drives the first threaded sleeve to rotate, and the first threaded sleeve rotates and is installed at one end of the fixing rod, so that the stress on two sides is uniform when the screw rod drives the first shaft body to move, the assembly is simpler, and the efficiency is higher.

2. In the utility model, during assembly, the gasket is arranged between the first shaft body and the connecting sleeve, so that the sealing performance between the first shaft body and the connecting sleeve is prevented from being reduced due to abrasion during assembly, when the assembly is completed, the second fixing ring is positioned on the surface of the first fixing ring, the first rubber ring is fixedly arranged in the first fixing ring, the second rubber ring is arranged in the second fixing ring, and is contacted with the first rubber ring through the second rubber ring, so that the first shaft body and the connecting sleeve are sealed, the problem of poor sealing performance when the transmission shaft is used is avoided, gas leakage is caused, and environmental pollution is caused.

Drawings

Fig. 1 is a schematic perspective view of an assembling tool for a connecting structure of a transmission shaft and an input shaft according to the present invention;

FIG. 2 is a schematic structural view of an assembly tool limiting device of the connection structure of the transmission shaft and the input shaft in FIG. 1 according to the present invention;

FIG. 3 is a partial structural view of an assembling tool for the connecting structure of the transmission shaft and the input shaft in FIG. 1 according to the present invention;

FIG. 4 is a schematic structural view of an assembling tool sealing device of a connecting structure of a transmission shaft and an input shaft according to the present invention;

FIG. 5 is a schematic structural view of an auxiliary device of an assembling tool for a connecting structure of a transmission shaft and an input shaft according to the present invention;

fig. 6 is a schematic view of the internal structure of the assembling tool of fig. 5 showing a connecting structure of a transmission shaft and an input shaft according to the present invention.

Illustration of the drawings: 1. a first shaft body; 2. a limiting device; 201. a screw; 202. a C-shaped jaw; 203. a first slide bar; 204. a first threaded sleeve; 205. fixing the rod; 206. mounting the cylinder; 207. a handle; 208. a spring; 209. positioning pins; 210. a pin hole; 211. a second threaded sleeve; 212. a connecting rod; 213. a splint; 214. a bolt; 3. connecting sleeves; 4. a sealing device; 41. a first retaining ring; 42. a first rubber ring; 43. an arcuate bar; 44. a second rubber ring; 45. a second retaining ring; 46. a groove; 47. a gasket; 5. a second shaft body.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

Referring to fig. 1-6, the present invention provides a technical solution: an assembling tool of a connecting structure of a transmission shaft and an input shaft comprises a connecting sleeve 3, a limiting device 2 and a sealing device 4, wherein a first shaft body 1 is inserted into one end of the connecting sleeve 3, a second shaft body 5 is sleeved on the other end of the connecting sleeve 3, and the limiting device 2 is arranged on the surface of the connecting sleeve 3.

The specific arrangement and function of the limiting means 2 and the sealing means 4 will be described in detail below.

In this embodiment: stop device 2 includes pinhole 210, pinhole 210 sets up on the surface of adapter sleeve 3, the inside slidable mounting in pinhole 210 has locating pin 209, locating pin 209 slidable mounting is in the inside of an installation section of thick bamboo 206, the fixed surface of an installation section of thick bamboo 206 installs dead lever 205, the inside fixed mounting of dead lever 205 has first thread bush 204, the inside threaded connection of first thread bush 204 has screw rod 201, the one end rotation that screw rod 201 is close to first axis body 1 installs C type jack catch 202, C type jack catch 202 sets up the surface at first axis body 1.

Specifically, a handle 207 is fixedly installed on the surface of the positioning pin 209 far away from the connecting sleeve 3, and a spring 208 is fixedly installed between the handle 207 and the positioning pin 209; the positioning pin 209 is moved toward the pin hole 210 by the elastic force of the spring 208 and is engaged with the pin hole 210 to perform positioning.

Specifically, a first sliding rod 203 is slidably mounted inside the C-shaped jaw 202, and a screw is threadedly connected to the surface of the C-shaped jaw 202.

In this embodiment: the first sliding rod 203 is locked by a screw, so that the first shaft body 1 can be clamped.

Specifically, a second threaded sleeve 211 is sleeved on the surface of the screw 201 close to the connecting sleeve 3 in a threaded manner, a connecting rod 212 is fixedly mounted on the surface of the second threaded sleeve 211, two clamping plates 213 are rotatably mounted at the free ends of the connecting rod 212, and bolts 214 are movably mounted at the free ends of the two clamping plates 213; the screw 201 can be kept horizontal, and the phenomenon that the assembly precision is affected due to deviation in subsequent rotation is avoided.

In this embodiment: be provided with sealing device 4 between adapter sleeve 3 and the first axis body 1, sealing device 4 includes first solid fixed ring 41, first solid fixed ring 41 fixed mounting is at the inner wall of adapter sleeve 3, first axis body 1 is close to the fixed surface mounting of 3 inner walls of adapter sleeve and is had the solid fixed ring 45 of second, first solid fixed ring 41 and the solid fixed ring 45 surface that is close to each other of second have all seted up recess 46, the inside recess 46 fixed mounting of first solid fixed ring 41 has first rubber circle 42, the inside recess 46 slidable mounting of the solid fixed ring 45 of second has second rubber circle 44.

In this embodiment: be connected with first rubber circle 42 through second rubber circle 44 to make and seal between first axis body 1 and the adapter sleeve 3, leakproofness is poor when avoiding the transmission shaft to use, makes gas leakage, thereby causes environmental pollution.

Specifically, two second rubber rings 44 are arranged, and an arc-shaped rod 43 is connected between the insides of the two second rubber rings 44 in a sliding manner; so that the second rubber ring 44 can be moved to be magnetically connected with the first rubber ring 42.

Specifically, a gasket 47 is arranged between the first shaft body 1 and the connecting sleeve 3, and the gasket 47 is an annular sealing ring.

In this embodiment: the occurrence of abrasion is avoided so that the sealability between the first shaft body 1 and the connecting sleeve 3 is reduced.

The working principle is as follows: when the clamping device is used, the two clamping plates 213 are arranged on the surface of the connecting sleeve 3 through the bolts 214, so that the screw 201 can be kept horizontal, the deviation caused during subsequent rotation is avoided, the assembly precision is influenced, the C-shaped clamping rod is arranged on the surface of the first shaft body 1, the first sliding rod 203 is locked through sliding the first sliding rod 203 and the screws, so that the first shaft body 1 can be clamped, the C-shaped clamping rod is driven to move by rotating the screw 201, the C-shaped clamping rod drives the first shaft body 1 to move, so that the first shaft body 1 and the connecting sleeve 3 can be installed, the positioning pin 209 slides in the installation cylinder 206 by pulling the two handles 207, the spring 208 is compressed, the installation cylinder 206 is arranged in the pin hole 210 on the surface of the connecting sleeve 3, the handle 207 is released, and the elastic action of the spring 208 moves the positioning pin 209 towards the pin hole 210, and is matched with the pinhole 210 for positioning, but the positioning pin 209 does not penetrate through the inner wall of the connecting sleeve 3, the screw 201 rotates to drive the first thread bush 204 to rotate, because the first thread bush 204 is rotatably installed at one end of the fixing rod 205, so that the two sides are uniformly stressed when the screw 201 drives the first shaft body 1 to move, the assembly is simpler, the efficiency is higher, during the assembly, by arranging the gasket 47 between the first shaft body 1 and the connecting sleeve 3, the assembly can be prevented from being abraded to reduce the sealing performance between the first shaft body 1 and the connecting sleeve 3, when the assembly is completed, the second fixing ring 45 can be positioned on the surface of the first fixing ring 41, because the first rubber ring 42 is fixedly installed inside the first fixing ring 41, the second rubber ring 44 is installed inside the second fixing ring 45, and simultaneously, the second rubber ring 44 is contacted with the first rubber ring 42, so that the first shaft body 1 and the connecting sleeve 3 are sealed, avoid when the transmission shaft uses the leakproofness poor for gas leakage, thereby cause environmental pollution, and through slidable mounting between two second rubber circles 44 there is arc pole 43, can restrict the position of first rubber circle 42 and second rubber circle 44, make second rubber circle 44 rotate with the help of arc pole 43 simultaneously.

The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims

1. The utility model provides a connection structure's of transmission shaft and input shaft erecting tool, includes adapter sleeve (3), stop device (2) and sealing device (4), its characterized in that: a first shaft body (1) is inserted into the inner part of one end of the connecting sleeve (3), a second shaft body (5) is sleeved on the other end of the connecting sleeve (3), the surface of the connecting sleeve (3) is provided with a limiting device (2), the limiting device (2) comprises a pin hole (210), the pin hole (210) is arranged on the surface of the connecting sleeve (3), the positioning pin (209) is arranged in the pin hole (210) in a sliding way, the positioning pin (209) is slidably arranged in the installation cylinder (206), the surface of the installation cylinder (206) is fixedly provided with a fixing rod (205), a first thread bush (204) is fixedly arranged in the fixed rod (205), the internal thread of first thread bush (204) is connected with screw rod (201), the one end that screw rod (201) is close to first axis body (1) is rotated and is installed C type jack catch (202), C type jack catch (202) set up the surface at first axis body (1).

2. The assembling tool of a connecting structure of a propeller shaft and an input shaft according to claim 1, wherein: the surface of the positioning pin (209) far away from the connecting sleeve (3) is fixedly provided with a handle (207), and a spring (208) is fixedly arranged between the handle (207) and the positioning pin (209).

3. The assembling tool of a connecting structure of a propeller shaft and an input shaft according to claim 1, wherein: a first sliding rod (203) is installed inside the C-shaped clamping jaw (202) in a sliding mode, and a screw is connected to the surface of the C-shaped clamping jaw (202) in a threaded mode.

4. The assembling tool of a connecting structure of a propeller shaft and an input shaft according to claim 1, wherein: screw rod (201) are close to the surperficial thread bush of adapter sleeve (3) and are equipped with second thread bush (211), the fixed surface of second thread bush (211) installs connecting rod (212), two splint (213) are installed in the free end rotation of connecting rod (212), two the free end movable mounting of splint (213) has bolt (214).

5. The assembling tool of a connecting structure of a propeller shaft and an input shaft according to claim 1, wherein: be provided with sealing device (4) between adapter sleeve (3) and first axis body (1), sealing device (4) include first solid fixed ring (41), first solid fixed ring (41) fixed mounting is at the inner wall of adapter sleeve (3), first axis body (1) is close to the fixed surface of adapter sleeve (3) inner wall and installs solid fixed ring (45) of second, the surface that solid fixed ring (41) and solid fixed ring (45) of second are close to each other all sets up fluted (46), the inside recess (46) fixed mounting of first solid fixed ring (41) has first rubber circle (42), the inside recess (46) slidable mounting of solid fixed ring (45) of second has second rubber circle (44).

6. The assembling tool of a connecting structure of a propeller shaft and an input shaft according to claim 5, wherein: the number of the second rubber rings (44) is two, and an arc-shaped rod (43) is connected between the insides of the two second rubber rings (44) in a sliding mode.

7. The assembling tool of a connecting structure of a propeller shaft and an input shaft according to claim 5, wherein: be provided with packing ring (47) between first axis body (1) and adapter sleeve (3), packing ring (47) are ring packing.