CN214304910U - Direct-connected variable-speed cross shaft transmission shaft - Google Patents
Direct-connected variable-speed cross shaft transmission shaft Download PDFInfo
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- CN214304910U CN214304910U CN202120219452.4U CN202120219452U CN214304910U CN 214304910 U CN214304910 U CN 214304910U CN 202120219452 U CN202120219452 U CN 202120219452U CN 214304910 U CN214304910 U CN 214304910U
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- universal joint
- fork
- spline
- joint assembly
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Abstract
The utility model relates to a transmission shaft technical field discloses direct-connected type cross axle transmission shaft that varies, including anterior segment central siphon, back end central siphon and intermediate support assembly, the one end of back end central siphon is connected with back universal joint assembly, and the other end of back end central siphon is connected with the back integral key shaft, the one end of anterior segment central siphon is connected with preceding universal joint assembly, back universal joint assembly is the cross axle form, the rear axle of universal joint assembly and car is connected. The utility model discloses can make the connected mode between transmission shaft and the rear axle simple more swift.
Description
Technical Field
The utility model relates to a transmission shaft technical field, concretely relates to direct-connected type cross axle transmission shaft that varies speed.
Background
Automobile transmission shaft is used for transmitting power, at present in order to improve the car performance, wherein the requirement to the lightweight of transmission shaft is higher and higher, current transmission shaft sets up the back universal joint assembly on the back end central siphon usually when being connected with the car rear axle, through connect the flange fork on the back universal joint assembly, then the mode of rethread flange joint is connected rear axle and this flange fork, this kind of connected mode is complicated, and the part of connecting is more, is unfavorable for realizing the lightweight requirement of transmission shaft.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the intention is providing the unequal-speed cross axle transmission shaft of direct-connected type to make the simple more swift of connected mode between transmission shaft and the rear axle.
In order to achieve the above purpose, the utility model adopts the following technical scheme: direct-connected is fast cross transmission shaft not waiting, including anterior segment central siphon, back end central siphon and intermediate support assembly, the one end of back end central siphon is connected with back universal joint assembly, and the other end of back end central siphon is connected with back integral key shaft, the one end of anterior segment central siphon is connected with preceding universal joint assembly, back universal joint assembly is the cross, the rear axle connection of universal joint assembly and car.
The principle and the advantages of the scheme are as follows: during the in-service use, this scheme rear axle adopts the rear universal joint assembly that is the cross axle form to connect, compare in prior art need through connecting flange fork on the cross axle, then be connected rear axle and flange fork, connected mode in this scheme, a flange fork part has been reduced, make the more lightweight of whole transmission shaft, and connected mode is simpler, in the in-service use process, only need produce on the rear axle one be similar to the fork class shape of flange fork can, when connecting transmission shaft and rear axle, it can to connect on fork class part on the rear axle and the rear universal joint assembly.
The scheme enables the connection mode between the transmission shaft and the rear axle to be simpler and faster, reduces the connection steps of the rear axle and the flange fork as well as the flange fork and the rear universal joint assembly, reduces a flange fork part, and better meets the requirement on light weight of the transmission shaft.
Preferably, as an improvement, a spline shaft yoke is connected to the front universal joint assembly, and an external spline is arranged on the outer side of the spline shaft yoke.
The outside of spline shaft fork is equipped with the external splines in this scheme, when assembling, the output shaft and the external splines of the gearbox on the car cooperate and be connected, such setting can make the connected mode of gearbox and transmission shaft simpler, and because the spline of spline shaft fork in this scheme is the external splines, such setting can make spline shaft fork and the output shaft of gearbox produce and slide to can adapt to the concertina movement of car at the operation in-process transmission shaft.
Preferably, as an improvement, the spline shaft fork and the outer side of the rear spline shaft are respectively provided with a dustproof sleeve.
So set up, the setting of dirt proof boot can be to playing dustproof and the effect of transmission lubricating oil.
Preferably, as an improvement, the dirt proof boot adopts the plastics material to make, all be equipped with the collar on the dirt proof boot, the collar can produce elastic deformation, just the collar is with the dirt proof boot chucking respectively on spline shaft fork and back integral key shaft.
So set up, the setting of binder ring can improve the fixed limiting displacement to the dirt proof boot, and the connected mode between binder ring and the dirt proof boot is also simple, only needs to overlap the binder ring in the dirt proof boot outside, because binder ring can produce elastic deformation, therefore binder ring can with the dirt proof boot chucking on spline shaft fork and back integral key shaft.
Preferably, as an improvement, the intermediate support assembly is rotatably connected with a front spline shaft, one end of the front spline shaft is connected with the front section shaft tube, the other end of the front spline shaft is connected with a spline sleeve fork, the rear spline shaft is coaxially matched with a sliding fork in a sliding manner, and a universal joint assembly is connected between the sliding fork and the spline sleeve fork.
So set up, the connection cooperation of intermediate support assembly and preceding integral key shaft and slip fork can play the effect of connecting and supporting with anterior segment central siphon and back end central siphon.
Preferably, as an improvement, the intermediate support assembly is made of an aluminum alloy.
With this arrangement, the intermediate support assembly can be further reduced in weight.
Drawings
Fig. 1 is a partial cross-sectional view of a first embodiment of a direct-coupled variable-speed universal joint pin transmission shaft according to the present invention.
Fig. 2 is a schematic structural diagram of direction K in fig. 1.
Fig. 3 is a schematic view of the structure in the direction P in fig. 1.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the rear universal joint comprises a rear universal joint assembly 1, a rear universal joint fork 2, a rear section shaft tube 3, a rear spline shaft 4, a dustproof sleeve 5, a sliding fork 7, a spline sleeve fork 9, an intermediate support assembly 10, a front spline shaft tube 11, a front section shaft tube 12, a front universal joint fork 15, a front universal joint assembly 16 and a spline shaft fork 20.
The embodiment is basically as shown in the attached figure 1: a direct-connected unequal-speed universal joint transmission shaft comprises a front section shaft tube 12, a rear section shaft tube 3 and an intermediate support assembly 10, wherein the right end of the rear section shaft tube 3 is connected with a rear universal joint assembly 1, the other end of the rear section shaft tube 3 is coaxially welded and fixed with a rear spline shaft 4, the left end of the front section shaft tube 12 is connected with a front universal joint assembly 16, as shown in figure 2, the rear universal joint assembly 1 is in a cross shape, and then is combined with figure 1, a rear universal joint fork 2 is fixedly connected onto the rear universal joint assembly 1, the rear universal joint fork 2 is inserted into the rear universal joint assembly 1 in the cross shape and is welded and fixed with the rear universal joint assembly 1, the rear universal joint assembly 1 is connected with a rear axle of an automobile, a fork part similar to a flange fork is arranged on the rear axle in the actual use process, the fork part on the rear axle is inserted into two opposite end parts of the rear universal joint assembly 1 and is fixed with the rear universal joint assembly 1, like this can avoid like the process that needs to be connected through the flange fork between rear universal joint assembly 1 and the rear axle among the prior art, reduce this part of flange fork simultaneously, realize the lightweight requirement of transmission shaft, and make the direct and rear universal joint assembly 1's of rear axle connected mode simpler in this scheme, save flange fork and rear universal joint assembly 1's connection process to and the connection process of flange fork and rear axle.
In this embodiment, the intermediate support assembly 10 is rotatably connected with a front spline shaft 11 through a bearing, one end of the front spline shaft 11 is welded and fixed with a front section shaft tube 12, the other end of the front spline shaft 11 is welded and fixed with a spline sleeve fork 9, the rear spline shaft 4 is coaxially and slidably fitted with a sliding fork 7, and a universal joint assembly is connected between the sliding fork 7 and the spline sleeve fork 9. The intermediate support assembly 10 in this embodiment is made of an aluminum alloy, which makes the intermediate support assembly 10 more lightweight.
In this embodiment, the front universal joint assembly 16 is also in a cross shaft shape, and the front universal joint assembly 16 is fixed with the front universal joint fork 15, the right end of the front universal joint fork 15 is welded and fixed with the front section axle tube 12, and the fork part at the left end of the front universal joint fork 15 is connected with the front universal joint assembly 16, in this embodiment, the front universal joint assembly 16 is connected with the spline shaft fork 20, as shown in fig. 3, the outer side of the spline shaft fork 20 is provided with an external spline, when assembling, the output shaft of the gearbox on the automobile is connected with the external spline in a matching manner, such a setting can make the connection mode of the gearbox and the transmission shaft simpler, and because the spline of the spline shaft fork 20 in this scheme is the external spline, such a setting can make the spline shaft fork 20 slide with the output shaft of the gearbox, thereby being capable of adapting to the telescopic motion of the transmission shaft of the automobile in the operation process. Referring to fig. 1, the fork portion of the spline shaft yoke 20 is inserted into the front and rear opposite ends of the front universal joint assembly 16 and is fixedly connected to the front universal joint assembly 16.
The spline shaft fork 20 and the rear spline shaft 4 outside all are equipped with dirt proof boot 5, dirt proof boot 5 is the ripple tubular structure, and dirt proof boot 5 adopts the plastics material to make in this embodiment, the dirt proof boot 5 both ends all are equipped with the collar, the collar is cyclic annular, the collar can produce elastic deformation, and the collar can be with dirt proof boot 5 chucking respectively on spline shaft fork 20 and rear spline shaft 4, earlier overlap dirt proof boot 5 respectively behind spline shaft fork 20 and rear spline shaft 4 outside during installation, overlap the collar in the dirt proof boot 5 outside and with the dirt proof boot 5 chucking in spline shaft fork 20 and rear spline shaft 4 outside again, the dirt proof boot 5 that lies in the rear spline shaft 4 outside in this embodiment still extends to the slip fork 7, thereby play the effect of protecting and sheltering from to the clearance between rear spline shaft 4 and the slip fork 7.
The above description is only an example of the present invention, and the detailed technical solutions and/or characteristics known in the solutions are not described too much here. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (6)
1. Direct-connected is not fast cross axle transmission shaft such as waiting, including anterior segment central siphon, back end central siphon and intermediate support assembly, the one end of back end central siphon is connected with back universal joint assembly, and the other end of back end central siphon is connected with back integral key shaft, the one end of anterior segment central siphon is connected with preceding universal joint assembly, its characterized in that: the rear universal joint assembly is in a cross shaft shape and is connected with a rear axle of an automobile.
2. The direct connect differential cross drive shaft of claim 1 wherein: the front universal joint assembly is connected with a spline shaft yoke, and an external spline is arranged on the outer side of the spline shaft yoke.
3. The direct connect differential cross drive shaft of claim 2 wherein: and dustproof sleeves are arranged on the spline shaft fork and the outer side of the rear spline shaft.
4. The direct connect differential cross drive shaft of claim 3 wherein: the dustproof sleeve is made of a plastic material, the dustproof sleeve is provided with a binding ring, the binding ring can generate elastic deformation, and the binding ring clamps the dustproof sleeve on the spline shaft fork and the rear spline shaft respectively.
5. The direct connect differential cross drive shaft of claim 1 wherein: the middle supporting assembly is rotatably connected with a front spline shaft, one end of the front spline shaft is connected with the front section shaft tube, the other end of the front spline shaft is connected with a spline sleeve fork, the rear spline shaft is coaxially matched with a sliding fork in a sliding manner, and a universal joint assembly is connected between the sliding fork and the spline sleeve fork.
6. The direct connect differential speed cross drive shaft of claim 5, wherein: the middle support assembly is made of aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219452.4U CN214304910U (en) | 2021-01-26 | 2021-01-26 | Direct-connected variable-speed cross shaft transmission shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219452.4U CN214304910U (en) | 2021-01-26 | 2021-01-26 | Direct-connected variable-speed cross shaft transmission shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214304910U true CN214304910U (en) | 2021-09-28 |
Family
ID=77830508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120219452.4U Active CN214304910U (en) | 2021-01-26 | 2021-01-26 | Direct-connected variable-speed cross shaft transmission shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214304910U (en) |
-
2021
- 2021-01-26 CN CN202120219452.4U patent/CN214304910U/en active Active
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