CN211398250U

CN211398250U - Step type rotating shaft

Info

Publication number: CN211398250U
Application number: CN201922189721.2U
Authority: CN
Inventors: 司玉发
Original assignee: Suzhou Yupeng Precision Hardware Co ltd
Current assignee: Suzhou Yupeng Precision Hardware Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-01
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a step pivot relates to pivot technical field, and is lower for solving current pivot flexibility, problem of function singleness. The stepped rotating shaft comprises a shaft body, a rotor assembly is mounted outside the shaft body, a fixed limit baffle disc is mounted at one end of the shaft body, a first fixing shaft is mounted at one end of the fixed limit baffle disc, a movable limit baffle disc is mounted at one side of the outside of the shaft body, a second fixing shaft is mounted at the other end of the shaft body, a sealing gasket groove is formed between the second fixing shaft and the shaft body, a key groove is formed in the outside of the second fixing shaft, an oil groove is formed in the outside of the shaft body, and the oil groove is arranged to be of a spiral structure.

Description

Step type rotating shaft

Technical Field

The utility model relates to a pivot technical field specifically is a stepped rotating shaft.

Background

The rotating shaft, the rotating shaft of a notebook computer and the like are the shafts which are used for bearing bending moment and torque in the rotating work and are necessary to be used for connecting main parts of products as the name implies. Common rotating shafts are: a mobile phone rotating shaft (a flip phone or a rotary screen mobile phone); a notebook computer rotating shaft; a portable DVD spindle; a rotating shaft of the LED desk lamp; LCD display screen rotating shaft; GPS and the like, and the stepped rotating shaft is used for positioning mounting parts with different inner diameters, such as gears and bearings, by utilizing a stepped shaft shoulder. The stepped rotating shaft has the main function of positioning the mounted parts, and the shaft shoulders with different heights can limit the movement or the movement trend of the parts on the shaft along the axial direction, prevent the mounted parts from sliding in the work and reduce the influence of axial pressure generated by some parts in the work on other parts.

However, the existing rotating shaft has low flexibility and single function; therefore, the existing requirements are not met, and a stepped rotating shaft is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stepped rotating shaft to current pivot flexibility that proposes in solving above-mentioned background art is lower, problem of function singleness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a stepped rotating shaft, includes stepped rotating shaft, stepped rotating shaft includes the axle body, the externally mounted of axle body has the rotor subassembly, the one end of axle body is installed and is decided spacing fender dish, decide the one end of spacing fender dish and install first fixed axle, the outside one side of axle body is installed and is moved spacing fender dish, the second fixed axle is installed to the other end of axle body, be provided with sealed gasket groove between second fixed axle and the axle body, the outside of second fixed axle is provided with the keyway.

Preferably, an oil groove is arranged outside the shaft body, and the oil groove is of a spiral structure.

Preferably, move the inside last both ends of spacing fender dish and all be provided with the thread groove, the internally mounted of thread groove has the tight screw in top, the tight screw in top and move and install lock washer between the spacing fender dish.

Preferably, one end of the fixed limiting baffle disc is provided with a wave anti-skid part, and the wave anti-skid part and the fixed limiting baffle disc are of an integrally formed structure.

Preferably, the movable limiting baffle disc, the fixed limiting baffle disc, the first fixing shaft, the second fixing shaft and the shaft body are provided with chamfers on end faces.

Preferably, the shaft body and the limiting blocking disc are arranged to be of an integrally formed structure, and the limiting blocking disc and the first fixing shaft are arranged to be of an integrally formed structure.

Preferably, the shaft body and the second fixing shaft are arranged into an integrally formed structure.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a be provided with fixed limit fender dish and move limit fender dish and carry on spacingly to the axle body simultaneously, make the two fix with the rotor subassembly, guarantee that the axle body can not slide for the rotor subassembly in driven process, improve the stability in the course of the work, and move limit fender dish and can slide along the axle body, the user can adjust the position of moving limit fender dish for the axle body by oneself according to operational environment, and realize the location through tight screw locking in top, improved the installation flexibility of whole pivot;

2. the utility model discloses a first fixed axle and part threaded connection, through the keyway with second fixed axle and part key-type connection, can realize connecting the part of different connected modes, all be provided with the chamfer at the terminal surface of each part, can prevent that the user from being by the fish tail, improved the security, the accessible oil groove is lubricated and rust-resistant, whole pivot function is comprehensive.

Drawings

FIG. 1 is a connection diagram of a stepped shaft and a rotor assembly according to the present invention;

fig. 2 is a schematic structural view of the stepped rotating shaft of the present invention;

fig. 3 is a partial enlarged view of the region a of the present invention.

In the figure: 1. a stepped rotating shaft; 2. a shaft body; 3. an oil sump; 4. a limiting stop disc; 5. a first fixed shaft; 6. a movable limit baffle disc; 7. a second fixed shaft; 8. a seal gasket groove; 9. a keyway; 10. chamfering; 11. a wave anti-slip portion; 12. a thread groove; 13. jacking the screw tightly; 14. a lock washer; 15. a rotor assembly.

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.

Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a stepped rotating shaft, including stepped rotating shaft 1, stepped rotating shaft 1 includes axle body 2, the externally mounted of axle body 2 has rotor subassembly 15, the one end of axle body 2 is installed and is decided spacing fender dish 4, decide the one end of spacing fender dish 4 and install first fixed axle 5, move spacing fender dish 6 is installed to the outside one side of axle body 2, second fixed axle 7 is installed to the other end of axle body 2, be provided with sealed washer groove 8 between second fixed axle 7 and the axle body 2, the outside of second fixed axle 7 is provided with keyway 9, first fixed axle 5 passes through screw thread realization with the part and is connected, can be connected second fixed axle 7 and part through the parallel key realization through keyway 9, can realize being connected different connected modes's part.

Further, the outside of axle body 2 is provided with oil groove 3, and oil groove 3 sets up to the screw-tupe structure, and accessible oil groove 3 is lubricated and is rust-resistant to axle body 2, further improves the stability in the whole pivot working process.

Further, move the inside last both ends of spacing fender dish 6 and all be provided with thread groove 12, the internally mounted of thread groove 12 has a tight screw 13 in top, and tight screw 13 in top and move and install lock washer 14 between the spacing fender dish 6, move spacing fender dish 6 and can slide along axle body 2, the user can move spacing fender dish 6 position for axle body 2 according to operational environment self-adjustment to realize the location through tight screw 13 locking in top.

Further, the one end of deciding the spacing and keeping off dish 4 is provided with wave antiskid portion 11, and wave antiskid portion 11 sets up to the integrated into one piece structure with deciding the spacing and keeping off dish 4, and wave antiskid portion 11 has improved the contact friction power, has increased promptly and has decided the spacing and keep off the frictional force of dish 4 and rotor subassembly 15.

Furthermore, the movable limiting blocking disc 6, the fixed limiting blocking disc 4, the first fixing shaft 5, the second fixing shaft 7 and the shaft body 2 are provided with chamfers 10 on end faces, so that a user can be prevented from being scratched in the installation process, and the assembly safety of the rotating shaft is improved.

Further, axle body 2 sets up to the integrated into one piece structure with deciding that limit keeps off dish 4, decides that limit keeps off dish 4 and first fixed axle 5 and sets up to the integrated into one piece structure, has reduced the processing cost to step pivot 1, has improved the stability and the life of step pivot 1.

Further, the shaft body 2 and the second fixing shaft 7 are arranged to be of an integrally formed structure, and structural rigidity is improved.

The working principle is as follows: when the stepped rotating shaft is used, the shaft body 2 of the stepped rotating shaft 1 is assembled with the rotor assembly 15, the fixed limiting baffle disc 4 is contacted with the end face of the rotor assembly 15 to limit the stepped rotating shaft 1, the wave anti-slip part 11 improves the contact friction force, namely the friction force between the fixed limiting baffle disc 4 and the rotor assembly 15 is increased, the movable limiting baffle disc 6 can slide along the shaft body 2, a user can automatically adjust the position of the movable limiting baffle disc 6 relative to the shaft body 2 according to the working environment and realize positioning through locking of the tightening screw 13, the movable limiting baffle disc 6 is contacted with the other end face of the rotor assembly 15 to further limit the stepped rotating shaft 1, the shaft body 2 can not slide relative to the rotor assembly 15 to generate displacement in the transmission process, the stability in the working process of the whole rotating shaft is improved, the first fixing shaft 5 is connected with a part through threads, the second fixing shaft 7 can be connected with the part through a flat key through the key groove 9, can realize connecting the part of different connected modes, all be provided with chamfer 10 at the terminal surface of each part, can prevent that the user from being scratched in the installation, improved the assembly security of pivot, accessible oil groove 3 is lubricated and is rust-resistant to axle body 2, further improves the stability in the whole pivot working process.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a step pivot, includes step pivot (1), its characterized in that: step pivot (1) is including axle body (2), the externally mounted of axle body (2) has rotor subassembly (15), decide spacing fender dish (4) is installed to the one end of axle body (2), decide the one end of spacing fender dish (4) and install first fixed axle (5), outside one side of axle body (2) is installed and is moved spacing fender dish (6), second fixed axle (7) are installed to the other end of axle body (2), be provided with between second fixed axle (7) and axle body (2) and seal washer groove (8), the outside of second fixed axle (7) is provided with keyway (9).

2. A stepped spindle as claimed in claim 1, wherein: the outer portion of the shaft body (2) is provided with an oil groove (3), and the oil groove (3) is of a spiral structure.

3. A stepped spindle as claimed in claim 1, wherein: move the inside last both ends of spacing fender dish (6) and all be provided with thread groove (12), the internally mounted of thread groove (12) has tight screw in top (13), tight screw in top (13) and move and install lock washer (14) between spacing fender dish (6).

4. A stepped spindle as claimed in claim 1, wherein: one end of the fixed limit baffle disc (4) is provided with a wave anti-skid part (11), and the wave anti-skid part (11) and the fixed limit baffle disc (4) are arranged into an integrated structure.

5. A stepped spindle as claimed in claim 1, wherein: and chamfers (10) are arranged on the end surfaces of the movable limiting baffle disc (6), the fixed limiting baffle disc (4), the first fixing shaft (5), the second fixing shaft (7) and the shaft body (2).

6. A stepped spindle as claimed in claim 1, wherein: the shaft body (2) and the fixed limit baffle disc (4) are arranged to be of an integrated structure, and the fixed limit baffle disc (4) and the first fixed shaft (5) are arranged to be of an integrated structure.

7. A stepped spindle as claimed in claim 1, wherein: the shaft body (2) and the second fixed shaft (7) are arranged to be of an integrally formed structure.