CN218542907U

CN218542907U - Threaded transmission shaft

Info

Publication number: CN218542907U
Application number: CN202223049401.5U
Authority: CN
Inventors: 朱厚清; 朱庙顺; 朱厚方; 朱庙德; 朱厚德; 凡振新; 张滨沅; 陈国滨; 李腾飞
Original assignee: Wenling Shunshifa Machinery Co ltd
Current assignee: Wenling Shunshifa Machinery Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-02-28
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a threaded transmission shaft belongs to transmission shaft technical field, including first transmission shaft subassembly and second transmission shaft subassembly, be connected through fixed subassembly between first transmission shaft subassembly and the second transmission shaft subassembly, fixed subassembly includes secondary drive axle, length adjustment part and third transmission shaft, is connected through length adjustment part between secondary drive axle and the third transmission shaft. Through the setting of length adjustment part, can adjust the length of transmission shaft according to user's demand.

Description

Threaded transmission shaft

Technical Field

The utility model relates to a transmission shaft technical field specifically is a threaded 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.

Through search, the chinese patent No. CN202022192906.1 makes the threaded transmission shaft have better adaptability and more convenient assembly and disassembly, but the length of the conventional transmission shaft is fixed and cannot be adjusted according to the requirement of a user, and therefore, we provide a threaded transmission shaft.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a threaded transmission shaft to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a threaded transmission shaft, includes first transmission shaft subassembly and second transmission shaft subassembly, its characterized in that: the first transmission shaft assembly is connected with the second transmission shaft assembly through a fixing assembly, the fixing assembly comprises a second transmission shaft, a length adjusting component and a third transmission shaft, and the second transmission shaft is connected with the third transmission shaft through the length adjusting component.

Preferably, the first drive shaft assembly includes a first drive shaft mounted on a first shoulder mounted on the second drive shaft and a first shoulder.

Preferably, the second transmission shaft assembly comprises a second shaft shoulder, a fourth transmission shaft and a threaded shaft, the threaded shaft is fixedly sleeved on the side wall of the fourth transmission shaft, the fourth transmission shaft is installed on the second shaft shoulder, and the second shaft shoulder is installed on the third transmission shaft.

Preferably, the length adjusting part comprises a first straight rod and a sleeve ring arranged on the first straight rod, one side, away from the first shaft shoulder, of the second transmission shaft is connected with the first straight rod, a first limiting groove and a second limiting groove are formed in the first straight rod, the first limiting groove and the second limiting groove are communicated with each other, the inner wall of the first limiting groove is connected with the second straight rod, a first limiting block is arranged on the side wall of the second straight rod, the sleeve ring is sleeved on the side wall of the first straight rod, a bolt is arranged on the side wall of the sleeve ring, a third straight rod is arranged in the first limiting groove, one side, away from the first straight rod, of the third straight rod is connected with the third transmission shaft, a second limiting block is arranged on the side wall of the third straight rod, the second limiting block is arranged in the second limiting groove, a threaded groove is formed in the second limiting block, a third limiting groove and a fourth limiting groove are formed in the third straight rod, the third limiting groove and the fourth limiting groove are sequentially communicated with one end of the straight rod, and the threaded groove and the first limiting block and the threaded groove are sequentially connected with the bolt.

Preferably, the second limiting groove is rectangular and long.

Preferably, the first limiting block is in a triangular prism shape.

Preferably, the fourth limiting groove is in a triangular prism shape.

Preferably, the number of the second limiting blocks is multiple, and the second limiting blocks are uniformly distributed on the side wall of the third straight rod.

Preferably, the number of the thread grooves is multiple, and the multiple thread grooves are uniformly distributed on the second limiting block.

Compared with the prior art, the beneficial effects of the utility model are that: through the setting of length adjustment part, can adjust the length of transmission shaft according to user's demand, through first straight-bar, first spacing groove, the second spacing groove, the setting of third straight-bar and second stopper, can insert the inside of first spacing groove with the third straight-bar, the third straight-bar drives the inside that the second stopper enters into the second spacing groove, through the second straight-bar, first stopper, the setting of third spacing groove and fourth spacing groove, when the third straight-bar moves to the inside of first spacing groove, the inside of third spacing groove can be inserted to the second straight-bar, the inside of fourth spacing groove can be inserted to first stopper, through the thread groove, the setting of lantern ring and bolt, after the position that the third straight-bar is located the inside of first spacing groove is confirmed, twist the bolt through the screwdriver, make the bolt run through the lantern ring and first straight-bar and with thread groove threaded connection, first straight-bar and third straight-bar accomplish fixedly this moment.

Drawings

Fig. 1 is a schematic view of a threaded transmission shaft according to the present invention;

fig. 2 is a schematic front sectional view of the threaded transmission shaft of the present invention;

fig. 3 is a right side cross-sectional view of a threaded transmission shaft according to the present invention;

fig. 4 is the utility model discloses a threaded transmission shaft left side cross-sectional view.

In the figure: 1. a first transmission shaft; 2. a first shoulder; 3. a second transmission shaft; 4. a first straight rod; 41. a first limit groove; 42. a second limit groove; 43. a second straight rod; 44. a first stopper; 5. a collar; 6. a bolt; 7. a third straight rod; 71. a third limiting groove; 72. a fourth limit groove; 8. a second limiting block; 81. a thread groove; 9. a third transmission shaft; 10. a second shoulder; 11. a fourth drive shaft; 12. a threaded shaft.

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.

Example 1:

referring to FIGS. 1-4; the transmission shaft of the invention is also composed of a first transmission shaft, a first shaft shoulder, a second transmission shaft, a third transmission shaft, a second shaft shoulder, a fourth transmission shaft and a threaded shaft.

Different from the prior art, the second transmission shaft 3 is connected with the third transmission shaft 9 through a length adjusting part, the length adjusting part comprises a first straight rod 4 and a lantern ring 5 arranged on the first straight rod 4, one side of the second transmission shaft 3 far away from the first shaft shoulder 2 is connected with the first straight rod 4, one side of the first straight rod 4 far away from the first shaft shoulder 2 is provided with a first limiting groove 41 and a second limiting groove 42, the first limiting groove 41 is communicated with the second limiting groove 42, the inner wall of the first limiting groove 41 is connected with a second straight rod 43, the side wall of the second straight rod 43 is provided with a first limiting block 44, the lantern ring 5 is sleeved on the side wall of the first straight rod 4, the lantern ring 5 is positioned at one end far away from the first shaft shoulder 2, the side wall of the lantern ring 5 is provided with a bolt 6, the inside of the first limiting groove 41 is provided with a third straight rod 7, one side of the third straight rod 7 far away from the first straight rod 4 is connected with the third transmission shaft 9, the side wall of the third straight rod 7 is provided with a second limit block 8, the second limit block 8 is located inside the second limit groove 42, when the third straight rod 7 is inserted into the first straight rod 4, the first step of insertion connection between the third straight rod 7 and the first straight rod 4 is completed through the first limit groove 41, the second limit groove 42, the third straight rod 7 and the second limit block 8, so that the third straight rod 7 can drive the first straight rod 4 to rotate, the second limit block 8 is provided with a threaded groove 81, one end of the third straight rod 7 adjacent to the first straight rod 4 is provided with a third limit groove 71 and a fourth limit groove 72, the third limit groove 71 and the fourth limit groove 72 are communicated with each other, the second straight rod 43 is located inside the third limit groove 71, the first limit block 44 is located inside the fourth limit groove 72, when the second straight rod 43 drives the first limit block 44 to be inserted into the third limit groove 71 and the fourth limit groove 72, equivalently, the second step of inserting connection of the third straight rod 7 and the first straight rod 4 is completed through the second straight rod 43, the first limiting block 44, the third limiting groove 71 and the fourth limiting groove 72, one end of the bolt 6 sequentially penetrates through the lantern ring 5 and the first straight rod 4 and is in threaded connection with the threaded groove 81, and the relative positions of the first straight rod 4 and the third straight rod 7 can be fixed through the lantern ring 5, the bolt 6 and the threaded groove 81.

In addition, the second limiting groove 42 is rectangular long, the first limiting block 44 is triangular column-shaped, the fourth limiting groove 72 is triangular column-shaped, the number of the second limiting blocks 8 is multiple, the multiple second limiting blocks 8 are uniformly distributed on the side wall of the third straight rod 7, the number of the thread grooves 81 is multiple, and the multiple thread grooves 81 are uniformly distributed on the second limiting blocks 8.

The working principle is as follows:

when the distance between the two shafts needs to be adjusted, the bolt 6 is screwed by the screwdriver, so that the bolt 6 is separated from the inside of the threaded groove 81, at this time, the first straight rod 4 or the third straight rod 7 can be moved, so that the third straight rod 7 moves inside the first limiting groove 41, the lantern ring 5 drives the second limiting block 8 to move inside the second limiting groove 42, meanwhile, the second straight rod 43 moves inside the third limiting groove 71, the second straight rod 43 drives the first limiting block 44 to move inside the fourth limiting groove 72, after the adjustment of the relative positions of the first straight rod 4 and the third straight rod 7 is completed, the bolt 6 is screwed by the screwdriver, so that the bolt 6 penetrates through the lantern ring 5 and the first straight rod 4 and is in threaded connection with the threaded groove 81, and at this time, the first straight rod 4 and the third straight rod 7 are fixed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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. A threaded transmission shaft is characterized in that: including first transmission shaft subassembly and second transmission shaft subassembly, first transmission shaft subassembly with connect through fixed subassembly between the second transmission shaft subassembly, fixed subassembly includes second transmission shaft (3), length adjustment part and third transmission shaft (9), second transmission shaft (3) with connect through length adjustment part between third transmission shaft (9).

2. A threaded drive shaft according to claim 1, wherein: the first transmission shaft assembly comprises a first transmission shaft (1) and a first shaft shoulder (2), the first transmission shaft (1) is installed on the first shaft shoulder (2), and the first shaft shoulder (2) is installed on the second transmission shaft (3).

3. A threaded drive shaft according to claim 2, wherein: the second transmission shaft assembly comprises a second shaft shoulder (10), a fourth transmission shaft (11) and a threaded shaft (12), the threaded shaft (12) is fixedly sleeved on the side wall of the fourth transmission shaft (11), the fourth transmission shaft (11) is installed on the second shaft shoulder (10), and the second shaft shoulder (10) is installed on the third transmission shaft (9).

4. A threaded drive shaft according to claim 3, wherein: the length adjusting part comprises a first straight rod (4) and a sleeve ring (5) arranged on the first straight rod (4), one side, far away from the first shaft shoulder (2), of the second transmission shaft (3) is connected with the first straight rod (4), a first limiting groove (41) and a second limiting groove (42) are formed in the first straight rod (4), the first limiting groove (41) and the second limiting groove (42) are communicated with each other, the inner wall of the first limiting groove (41) is connected with a second straight rod (43), a first limiting block (44) is installed on the side wall of the second straight rod (43), the sleeve ring (5) is sleeved on the side wall of the first straight rod (4), a bolt (6) is installed on the side wall of the sleeve ring (5), a third straight rod (7) is arranged inside the first limiting groove (41), one side, far away from the first straight rod (4), of the third straight rod (7) is connected with a third transmission shaft (9), a second limiting block (8) is arranged on the side wall of the third straight rod (7), the second limiting block (8) is located on the second limiting groove (81), a thread groove (71) is formed in the second limiting block (7), and a fourth limiting groove (71) is formed in the second limiting block (7), the third limiting groove (71) and the fourth limiting groove (72) are communicated with each other, the second straight rod (43) is located inside the third limiting groove (71), the first limiting block (44) is located inside the fourth limiting groove (72), and one end of the bolt (6) penetrates through the lantern ring (5) and the first straight rod (4) in sequence and is in threaded connection with the threaded groove (81).

5. A threaded drive shaft according to claim 4, wherein: the second limiting groove (42) is rectangular and long.

6. A threaded drive shaft according to claim 4, wherein: the first limiting block (44) is in a triangular prism shape.

7. A threaded drive shaft according to claim 4, wherein: the fourth limiting groove (72) is in a triangular column shape.

8. A threaded drive shaft according to claim 4 wherein: the number of the second limiting blocks (8) is multiple, and the second limiting blocks (8) are uniformly distributed on the side wall of the third straight rod (7).

9. A threaded drive shaft according to claim 8, wherein: the number of the thread grooves (81) is multiple, and the thread grooves (81) are uniformly distributed on the second limiting block (8).