CN210034279U

CN210034279U - High efficiency upset transmission shaft

Info

Publication number: CN210034279U
Application number: CN201920439127.1U
Authority: CN
Inventors: 李韶兴
Original assignee: Shaoguan Defeng Machinery Co Ltd
Current assignee: Shaoguan Defeng Machinery Co Ltd
Priority date: 2019-04-03
Filing date: 2019-04-03
Publication date: 2020-02-07
Anticipated expiration: 2029-04-03

Abstract

The utility model discloses a high efficiency upset transmission shaft, including the front axle body, front axle body front end is connected with a preceding universal joint, and the rear end of front axle body is connected with a slip integral key shaft, front axle body upper end fixed mounting has a damping device, slip integral key shaft rear end is connected with a back axis body, back axis body middle part is equipped with an oil blanket, the oil blanket rear end is equipped with an oil blanket lid, the rear end of back axis body is connected with a back universal joint. A high efficiency upset transmission shaft, through damping device of upper end fixed mounting at the front axle body, inside spring and the spacing bolt group of setting up of damping device, through the spring to the weakening of outside atress and the control of the vibrations position that outside atress caused, through damping device to the transition of outside atress to alleviate the vibration that outside atress caused the transmission shaft, make high efficiency upset transmission shaft more stable.

Description

High efficiency upset transmission shaft

Technical Field

The utility model relates to a transmission shaft field, in particular to high efficiency upset transmission shaft.

Background

With the continuous development of modern automobile technology, the influence of the dynamic characteristic of a transmission shaft on the performance of the whole automobile draws great attention, the transmission shaft is a rotating body with high rotating speed and less support, and is one of main components of an automobile transmission system, the transmission shaft plays a role in transmitting motion and torque in the automobile driving process, but because of the structure of the transmission shaft, high-efficiency turnover in work and bounce caused by uneven road surface in the automobile driving process, a vibration phenomenon inevitably exists, the vibration directly influences the economy and riding comfort of the automobile, even high-strength vibration can cause damage of original parts, accidents are caused, and how to reduce the vibration caused by external stress on the transmission shaft needs to be further improved.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a high efficiency turnover transmission shaft, which can effectively solve the problems of the background art.

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

the utility model provides a high efficiency upset transmission shaft, includes the front axle body, the front axle body front end is connected with a preceding universal joint, and the rear end of front axle body is connected with a slip integral key shaft, front axle body upper end fixed mounting has a damping device, slip integral key shaft rear end is connected with a back axis body, back axis body middle part is equipped with an oil blanket, the oil blanket rear end is equipped with an oil blanket lid, the rear end of back axis body is connected with a back universal joint.

Preferably, the upper portion of the damping device is provided with an upper connecting block, the left side and the right side of the lower end of the upper connecting block are respectively welded with a limit bolt group, the middle portion of the lower end of the upper connecting block is fixedly connected with a middle connecting block, the lower end of the middle connecting block is fixedly provided with two springs, the lower ends of the springs and the lower connecting block are fixedly arranged together, the left side and the right side of the upper end of the lower connecting block are respectively welded with a supporting block, and the lower end of the lower connecting block is welded with a.

Preferably, the limiting bolt group comprises a limiting rod, a first damping pad, a second damping pad and nuts, the limiting rod penetrates through the top end of the supporting block, the tail end of the limiting rod is connected with the two nuts, the middle of the limiting rod is inserted with the first damping pad and the second damping pad in a penetrating mode, the first damping pad is located at the upper end of the top of the supporting block, and the second damping pad is located at the lower end of the top of the supporting block.

Preferably, the curved surface block is matched with the cambered surface of the front axle body and is fixed with the front axle body through a screw.

Preferably, the upper connecting block is provided with two fixing hole sites for connection and installation.

Compared with the prior art, the utility model discloses following beneficial effect has:

in the utility model, a damping device is fixedly arranged on the front shaft body of the transmission shaft, two springs and limit bolt groups are arranged in the damping device, when the damping device is used by external force, the upper connecting block on the pressure reducing device moves downwards along with external pressure, the upper connecting block moves downwards to drive the connecting block to move downwards, so that the springs connected with the middle connecting block are extruded, the elastic action of the springs weakens the external stress to a certain extent, when the upper connecting block moves downwards and the supporting block contacts with each other, the supporting block can limit the maximum position of the upper connecting block moving downwards, the position of the spring shrinking under the external stress is controlled, when the stress disappears, the springs recover to drive the middle connecting block and the upper connecting block to move upwards, when the nut contacts with the supporting block, the supporting block can limit the nut on the limiting rod which is alternately connected, thereby controlling the maximum position of the upper connecting block moving upwards, the shock to the transmission shaft when weakening external stress and disappearing arouses, whole damping device plays a buffering and weakens the atress effect between outside atress effect and transmission shaft for high efficiency upset transmission shaft is more stable, thereby improves the car performance.

Drawings

Fig. 1 is a front view of a high efficiency reversible drive shaft of the present invention;

fig. 2 is an overall structural view of a damping device of a high-efficiency turnover transmission shaft according to the present invention;

fig. 3 is an overall structure diagram of a limit bolt set of the high-efficiency turnover transmission shaft of the present invention.

In the figure: 1. a front axle body; 2. a sliding spline shaft; 3. a rear axle body; 4. a damping device; 5. oil sealing; 6. Sealing the oil cover; 7. a front gimbal; 8. a rear universal joint; 9. an upper connecting block; 10. a middle connecting block; 11. a limit bolt group; 12. a support block; 13. a spring; 14. a lower connecting block; 15. a curved surface block; 16. a first shock pad; 17. a second shock pad; 18. a nut; 19. a limiting rod.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a high efficiency turnover transmission shaft comprises a front shaft body 1, wherein the front end of the front shaft body 1 is connected with a front universal joint 7, the rear end of the front shaft body 1 is connected with a sliding spline shaft 2, a damping device 4 is fixedly arranged at the upper end of the front shaft body 1, the rear end of the sliding spline shaft 2 is connected with a rear shaft body 3, an oil seal 5 is arranged in the middle of the rear shaft body 3, the rear end of the oil seal 5 is provided with an oil seal cover 6, and the rear end of the rear shaft body 3 is connected with a rear universal joint 8.

The upper portion of damping device 4 is equipped with a connecting block 9 on, the left and right sides of going up the connecting block 9 lower extreme respectively welds a spacing bolt group 11, connecting block 10 in the middle part fixedly connected with of going up the connecting block 9 lower extreme, the lower extreme fixed mounting of well connecting block 10 has two springs 13, the lower extreme of spring 13 and lower connecting block 14 fixed mounting together, the left and right sides of lower connecting block 14 upper end respectively welds a supporting shoe 12, the lower extreme welding of lower connecting block 14 has a curved surface piece 15. Spacing bolt group 11 contains gag lever post 19, a shock pad 16, No. two shock pads 17 and nut 18, gag lever post 19 passes the top of supporting shoe 12 to 19 end connection of gag lever post has two nuts 18, and No. one shock pad 16 and No. two shock pads 17 have been alternate in the middle part of gag lever post 19, and No. one shock pad 16 is located the upper end at supporting shoe 12 top, and No. two shock pads 17 are located the lower extreme at supporting shoe 12 top. The curved surface block 15 is matched with the curved surface of the front axle body 1 and is fixed with the front axle body 1 through screws. Two fixing hole sites for connection and installation are arranged on the upper connecting block 9.

It should be noted that, the utility model relates to a high efficiency turnover transmission shaft, the curved surface block 15 is identical with the radian of the front shaft body 1, can be more fit more stably to fix the damping device 4 and the front shaft body 1 together through the screw, the upper connecting block 9 is provided with a fixed connection hole site for fixed connection with the external equipment of the transmission shaft, when being acted by external force, the upper connecting block 9 on the damping device 4 moves downwards along with the external pressure, the upper connecting block 9 moves downwards to drive the middle connecting block 10 to move downwards, so that the spring 13 connected with the middle connecting block 10 is extruded, at this time, the elastic action of the spring 13 can weaken the external force to a certain extent, when the upper connecting block 9 moves downwards and the supporting block 12 contacts together, the supporting block 12 can limit the maximum position of the downward movement of the upper connecting block 9, and control the position of the spring 13 shrinking under the external force, when the stress disappears, the spring 13 recovers to drive the middle connecting block 10 and the upper connecting block 9 to move upwards, when the screw cap 18 is contacted with the supporting block 12, the supporting block 12 can limit the screw cap 18 on the limiting rod 19 which is inserted and connected, so that the maximum position of the upper connecting block 9 which moves upwards is controlled, the vibration caused to the transmission shaft when the external stress disappears is weakened, and the whole damping device 4 plays a role in buffering and weakening stress between the external stress and the transmission shaft, so that the damping effect is achieved; in addition, the limiting rod 19 is connected with the supporting block 12 in a penetrating mode, a first damping pad 16 is arranged between the supporting block 12 and the upper connecting block 9, the first damping pad 16 can reduce the collision between the supporting block 12 and the upper connecting block 9, a second damping pad 17 is arranged between the supporting block 12 and the nut 18, and the second damping pad 17 can reduce the collision between the supporting block 12 and the nut 18.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, but rather is described in the embodiments and descriptions herein to illustrate the principles of the invention and that various changes and modifications may be made without departing from the spirit and scope of the invention, all of which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high efficiency upset transmission shaft which characterized in that: including front axle body (1), front axle body (1) front end is connected with a preceding universal joint (7), and the rear end of front axle body (1) is connected with a slip integral key shaft (2), front axle body (1) upper end fixed mounting has a damping device (4), slip integral key shaft (2) rear end is connected with a back axle body (3), back axle body (3) middle part is equipped with an oil blanket (5), oil blanket (5) rear end is equipped with an oil blanket lid (6), the rear end of back axle body (3) is connected with a back universal joint (8).

2. A high efficiency reversible drive shaft as claimed in claim 1, wherein: the upper portion of damping device (4) is equipped with one and goes up connecting block (9), go up each welding of the left and right sides of connecting block (9) lower extreme and have a spacing bolt group (11), connecting block (10) in middle part fixedly connected with of going up connecting block (9) lower extreme, the lower extreme fixed mounting of well connecting block (10) has two springs (13), the lower extreme and lower connecting block (14) fixed mounting of spring (13) are in the same place, the left and right sides of connecting block (14) upper end respectively welds one supporting shoe (12) down, the lower extreme welding of connecting block (14) has one curved surface piece (15) down.

3. A high efficiency reversible drive shaft as claimed in claim 2, wherein: spacing bolt group (11) contain gag lever post (19), shock pad (16), No. two shock pads (17) and nut (18), gag lever post (19) pass the top of supporting shoe (12) to gag lever post (19) end-to-end connection has two nuts (18), the middle part of gag lever post (19) is alternate has one shock pad (16) and No. two shock pads (17), shock pad (16) are located the upper end at supporting shoe (12) top, No. two shock pads (17) are located the lower extreme at supporting shoe (12) top.

4. A high efficiency reversible drive shaft as claimed in claim 2, wherein: the curved surface block (15) is matched with the arc surface of the front axle body (1) and is fixed with the front axle body (1) through screws.

5. A high efficiency reversible drive shaft as claimed in claim 2, wherein: and two fixing hole sites for connection and installation are arranged on the upper connecting block (9).