CN112460227A

CN112460227A - Precision gear convenient to change internal diameter

Info

Publication number: CN112460227A
Application number: CN202011369054.7A
Authority: CN
Inventors: 潘刚
Original assignee: Yancheng Lihuan Machinery Co ltd
Current assignee: Yancheng Lihuan Machinery Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-03-09

Abstract

The invention discloses a precision gear convenient for changing the inner diameter, which comprises a gear body, wherein an adjusting ring is arranged inside the gear body, limiting rings are arranged on the front surface and the back surface of the gear body, a bolt is arranged on the front surface of each limiting ring, the rear end of each bolt sequentially penetrates through the limiting rings and the gear body and extends to the back surface of each limiting ring, nuts positioned on the back surfaces of the limiting rings are connected to the surfaces of the bolts through threads, and the bolts and the nuts are four in number and are uniformly arranged in a surrounding manner. According to the invention, the adjusting ring with the inner diameter size needing to be adjusted is placed in the gear body, and then the two limiting rings are connected with the gear body through the bolts and the nuts, so that the effect of adjusting the inner diameter size of the gear body can be achieved, and the problems that most of existing gears are designed integrally, the effect of adjusting the inner diameter width is not achieved, and the universality and the application range of the gear are reduced are solved.

Description

Precision gear convenient to change internal diameter

Technical Field

The invention relates to the technical field of gears, in particular to a precision gear convenient for changing the inner diameter.

Background

The gear is a mechanical element with a gear on a wheel rim for continuously meshing and transmitting motion and power, the gear can be divided into a gear tooth, a tooth groove, an end face, a normal face, an addendum circle, a dedendum circle, a base circle, a reference circle and the like according to the structure, and common steel for manufacturing the gear comprises quenched and tempered steel, quenched steel, carburized and quenched steel and nitriding steel.

Current gear mostly is the integral type design, does not possess the effect of adjusting the internal diameter width, has reduced the commonality and the application scope of gear, and the user of not being convenient for uses.

Disclosure of Invention

In order to solve the problems in the background art, an object of the present invention is to provide a precision gear with an inner diameter that can be easily changed, which has an advantage of being easily changed, and solves the problems that most of the existing gears are designed in an integrated manner, do not have an effect of adjusting the width of the inner diameter, and reduce the versatility and the application range of the gear.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an accurate gear convenient to change internal diameter, includes the gear body, the inside of gear body is provided with the adjustable ring, the front and the back of gear body all are provided with the spacing ring, the front of spacing ring is provided with the bolt, the rear end of bolt runs through spacing ring and gear body in proper order and extends to the back of spacing ring, the surperficial threaded connection of bolt has the nut that is located the spacing ring back, the quantity of bolt and nut is four and evenly encircles the range.

Preferably, the adjusting ring is provided with grooves on both the front and back sides, the grooves are trapezoidal, and the number of the grooves is four.

Preferably, the inner side of the limiting ring is fixedly connected with a limiting block positioned in the groove, and the outer surface of the limiting block is in contact with the inner wall of the groove.

Preferably, the inner surface of the gear body is fixedly connected with a damping ring, the inner surface of the damping ring is in contact with the surface of the adjusting ring, and the damping ring is made of damping materials.

Preferably, a reinforcing ring is fixedly connected to the inside of the adjusting ring, and the reinforcing ring is made of hard alloy.

Preferably, the front side and the rear side of the surface of the bolt are both sleeved with a gasket, the inner side of the gasket is in contact with the surface of the limiting ring, and the gasket is composed of a spring gasket and a rubber gasket.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, the adjusting ring with the inner diameter size needing to be adjusted is placed in the gear body, and then the two limiting rings are connected with the gear body through the bolts and the nuts, so that the effect of adjusting the inner diameter size of the gear body can be achieved, and the problems that most of existing gears are designed integrally, the effect of adjusting the inner diameter width is not achieved, and the universality and the application range of the gear are reduced are solved.

2. According to the invention, the groove is arranged, so that the strength of the adjusting ring can be improved, and the bending deformation of the adjusting ring after long-time use is avoided.

3. According to the invention, the gear body can be connected with the adjusting ring by arranging the limiting block, so that the gear body can conveniently transmit the torque force.

4. According to the invention, the damping ring is arranged, so that the adjusting ring and the gear body can be protected, and the influence of vibration on the gear body and the adjusting ring is reduced.

5. According to the invention, the reinforcing ring is arranged, so that the strength of the adjusting ring can be improved, the adjusting ring is prevented from being broken after being used for a long time, and the wear-resisting effect of the adjusting ring is improved.

6. According to the invention, the gasket is arranged, so that the tightness of the bolt and the nut can be improved, and the bolt is prevented from loosening due to vibration.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a front view structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the right-side view structure of the present invention.

In the figure: 1. a gear body; 2. an adjusting ring; 3. a limiting ring; 4. a bolt; 5. a nut; 6. a groove; 7. a limiting block; 8. a shock-absorbing ring; 9. a reinforcement ring; 10. and (7) a gasket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention.

As shown in fig. 1 to 3, the precision gear convenient for changing the inner diameter provided by the invention comprises a gear body 1, an adjusting ring 2 is arranged inside the gear body 1, both the front surface and the back surface of the gear body 1 are provided with limiting rings 3, the front surface of the limiting ring 3 is provided with a bolt 4, the rear end of the bolt 4 sequentially penetrates through the limiting rings 3 and the gear body 1 and extends to the back surface of the limiting ring 3, the surface of the bolt 4 is in threaded connection with a nut 5 positioned on the back surface of the limiting ring 3, and the number of the bolt 4 and the nut 5 is four and are uniformly arranged in a surrounding manner.

Referring to fig. 2, the adjusting ring 2 starts with grooves 6 on both the front and back sides, the grooves 6 are trapezoidal in shape, and the number of the grooves 6 is four.

As a technical optimization scheme of the invention, the groove 6 is arranged, so that the strength of the adjusting ring 2 can be improved, and the bending deformation of the adjusting ring 2 after long-time use is avoided.

Referring to fig. 3, the inner side of the limiting ring 3 is fixedly connected with a limiting block 7 located inside the groove 6, and the outer surface of the limiting block 7 contacts with the inner wall of the groove 6.

As a technical optimization scheme of the invention, the gear body 1 and the adjusting ring 2 can be connected by arranging the limiting block 7, so that the gear body 1 can transmit torque conveniently.

Referring to fig. 2, a damping ring 8 is fixedly connected to the inner surface of the gear body 1, the inner surface of the damping ring 8 is in contact with the surface of the adjusting ring 2, and the damping ring 8 is made of a damping material.

As a technical optimization scheme of the invention, the damping ring 8 is arranged, so that the adjusting ring 2 and the gear body 1 can be protected, and the influence of vibration on the gear body 1 and the adjusting ring 2 is reduced.

Referring to fig. 1, a reinforcing ring 9 is fixedly connected to the inside of the adjusting ring 2, and the material of the reinforcing ring 9 is hard alloy.

As a technical optimization scheme of the invention, the strength of the adjusting ring 2 can be improved by arranging the reinforcing ring 9, the adjusting ring 2 is prevented from being broken after being used for a long time, and the wear-resisting effect of the adjusting ring 2 is improved.

Referring to fig. 3, the front side and the rear side of the surface of the bolt 4 are both sleeved with a gasket 10, the inner side of the gasket 10 is in contact with the surface of the limiting ring 3, and the gasket 10 is composed of a spring pad and a rubber pad.

As a technical optimization scheme of the invention, the gasket 10 is arranged, so that the tightness of the bolt 4 and the nut 5 can be improved, and the bolt 4 is prevented from loosening due to vibration.

According to the invention, the adjusting ring 2 with the inner diameter size needing to be adjusted is placed in the gear body 1, then the two limiting rings 3 are moved to two sides of the gear body 1, and when the limiting blocks 7 on the inner sides of the limiting rings 3 are positioned in the grooves 6, a user connects the two limiting rings 3 with the gear body 1 through the bolts 4 and the nuts 5, so that the effect of adjusting the inner diameter size of the gear body 1 is achieved. The invention solves the problems that the existing gear is mostly designed in an integrated manner, does not have the effect of adjusting the inner diameter width, and reduces the universality and the application range of the gear.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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. The utility model provides a precision gear convenient to change internal diameter, includes gear body (1), its characterized in that: the gear comprises a gear body (1), wherein an adjusting ring (2) is arranged inside the gear body (1), limiting rings (3) are arranged on the front side and the back side of the gear body (1), bolts (4) are arranged on the front side of the limiting rings (3), the rear ends of the bolts (4) sequentially penetrate through the limiting rings (3) and the gear body (1) and extend to the back side of the limiting rings (3), nuts (5) located on the back side of the limiting rings (3) are connected to the surfaces of the bolts (4) in a threaded mode, and the number of the bolts (4) and the number of the nuts (5) are four and are uniformly arranged in a surrounding mode; grooves (6) are formed in the front and the back of the adjusting ring (2), the grooves (6) are trapezoidal, and the number of the grooves (6) is four; the inner side of the limiting ring (3) is fixedly connected with a limiting block (7) positioned in the groove (6), and the outer surface of the limiting block (7) is in contact with the inner wall of the groove (6); the inner surface of the gear body (1) is fixedly connected with a damping ring (8), the inner surface of the damping ring (8) is in contact with the surface of the adjusting ring (2), and the damping ring (8) is made of damping materials; a reinforcing ring (9) is fixedly connected to the inner part of the adjusting ring (2), and the reinforcing ring (9) is made of hard alloy; the front side and the rear side on the surface of the bolt (4) are both provided with a gasket (10), the inner side of the gasket (10) is in surface contact with the limiting ring (3), and the gasket (10) is composed of a spring pad and a rubber pad.