CN216951550U

CN216951550U - Novel internal star wheel of double-clamp structure

Info

Publication number: CN216951550U
Application number: CN202220709077.6U
Authority: CN
Inventors: 刘大江; 王耀
Original assignee: SHANGHAI HUAYONG PRECISION MACHINERY CO Ltd
Current assignee: SHANGHAI HUAYONG PRECISION MACHINERY CO Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-12
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a novel inner star wheel with a double-clamp structure in the technical field of inner star wheels, which comprises an inner star wheel body and a convex block, wherein the convex block is arranged on one side of the inner star wheel body, an installation block is arranged on one side of the convex block, an installation groove is arranged on one side of the inner star wheel body, the installation block and the installation groove are fixedly inserted, a threaded hole is formed in the top of the installation block, the threaded hole is embedded in the surface of the top of the installation block, a groove is formed in the top of the inner star wheel body, a screw is arranged in the groove, the screw is connected with the threaded hole through threads, when the convex block of the inner star wheel body is damaged, the screw is required to be unscrewed, the installation block is pulled out from the inside of the installation groove, a new convex block is replaced, and the new convex block is fixed through the screw, the operation is simple and quick, the use is convenient, and the convenience is provided for the installation of the convex block through the installation groove, because lug and interior star gear body have the dismantlement function to this interior star gear's use cost has been reduced.

Description

Novel internal star wheel of double-clamp structure

Technical Field

The utility model belongs to the technical field of internal star wheels, and particularly relates to a novel internal star wheel with a double-clamp structure.

Background

The internal star wheel is also called constant velocity universal joint, is an important part in a car transmission system, and has the function of transmitting the power of an engine from a transmission to a driving wheel to drive a car to run at high speed. Constant velocity joints for cars are of many types, and among the most used are the rzeppa type and the tripod type, which mainly consist of main parts of a sliding sleeve, a three-way shaft, a transmission shaft, an inner race, a cage and an outer race. Because the constant velocity universal joint transmits heavy driving torque, is subjected to heavy load, has high transmission precision and large demand, and is a safety part, the main parts of the constant velocity universal joint are machined by precision forging parts. The constant velocity universal joint for car production and car maintenance in China originally mainly depends on import, and a large amount of foreign exchange is needed each year. In order to develop the automobile industry in China, the precision forging technology and the production technology of the main part blank of the constant velocity universal joint of the automobile are researched and developed for more than ten years.

The novel interior star gear of current two calliper structures still has some defects, and most formula as an organic whole if appear damaging, need change whole interior star gear, cause the wasting of resources, and most can not maintain, can only directly change, has improved use cost, has brought very big vexation for the user, for this we propose the novel interior star gear of two calliper structures.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel inner star wheel with a double-caliper structure, and aims to solve the problems that the existing novel inner star wheel with the double-caliper structure in the background technology has partial defects, is mostly integrated, and if the novel inner star wheel is damaged, the whole inner star wheel needs to be replaced, so that resource waste is caused, most of the novel inner star wheel cannot be maintained and can only be directly replaced, the use cost is increased, and great troubles are brought to users.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel interior star gear of double cassette pincers structure, includes interior star gear body and lug, one side of interior star gear body is equipped with the lug, the lug is equipped with a plurality ofly, lug and interior star gear body fixed connection, one side of lug is equipped with the installation piece, installation piece and lug fixed connection, one side of interior star gear body is equipped with the mounting groove, installation piece and mounting groove are fixed through alternating, the top of installation piece is equipped with the screw hole, the screw hole inlays the top surface of establishing at the installation piece, the top of interior star gear body is equipped with the recess, the inside of recess is equipped with the screw, screw and screw hole pass through threaded connection.

Preferably, one side of the lug is provided with a limiting block, the limiting block is fixedly connected with the lug, one side of the limiting block is provided with a reinforcing pad, and the reinforcing pad is fixedly connected with the limiting block.

Preferably, one side of the inner star wheel body is provided with a strip-shaped groove, and the strip-shaped groove is embedded in the surface of the inner star wheel body.

Preferably, the middle part of the inner star wheel body is provided with a shaft hole.

Preferably, the reinforcing pad is of a semicircular structure, and the inner wall of the reinforcing pad is smooth.

Preferably, the grooves and the screws are provided with two groups which are respectively positioned at the upper side and the lower side of the inner star wheel body.

Preferably, the surface of the mounting groove is provided with a sealing gasket, and the sealing gasket and the mounting groove are fixed through gluing.

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

1. when this interior star gear body's lug appears damaging, only need to unscrew the screw, extract the installation piece from the inside of mounting groove, change new lug from new, and fix it with the screw alright, easy operation is swift, convenient to use, through the mounting groove that is equipped with, installation for the lug facilitates, because lug and interior star gear body have the dismantlement function, thereby the use cost of this interior star gear has been reduced, the novel interior star gear of having solved current two calliper structures still has partial defect, most formula as an organic whole, if appear damaging, need change whole interior star gear, cause the wasting of resources, and most can not maintain, can directly change, use cost is improved, very big vexed problem has been brought for the user.

2. Through the stopper that is equipped with, realized strengthening the fixed of pad, installation for strengthening the pad facilitates, strengthen the pad through being equipped with, the intensity of this interior star gear has been improved, avoid the steel ball direct and interior star gear body contact, cause serious wearing and tearing to it, when strengthening the pad wearing and tearing seriously, can change it, the life of this interior star gear has been improved, because strengthen the pad to semi-circular structure, and the inner wall is comparatively smooth, thereby make the steel ball more comfortable when strengthening the inside rotation of pad, powerful this interior star gear's performance.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 2 according to the present invention.

In the figure: 1. an inner star wheel body; 2. a bump; 3. mounting blocks; 4. mounting grooves; 5. a threaded hole; 6. a groove; 7. a screw; 8. a limiting block; 9. a reinforcing pad; 10. a strip-shaped groove; 11. and the shaft hole.

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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a novel interior star gear of double cassette pincers structure, including interior star gear body 1 and lug 2, one side of interior star gear body 1 is equipped with lug 2, lug 2 is equipped with a plurality ofly,

lug

2 and 1 fixed connection of interior star gear body, one side of lug 2 is equipped with installation piece 3,

installation piece

3 and 2 fixed connection of lug, one side of interior star gear body 1 is equipped with mounting groove 4, installation piece 3 and mounting groove 4 are fixed through alternating, the top of installation piece 3 is equipped with screw hole 5, screw hole 5 inlays the top surface of establishing at installation piece 3, the top of interior star gear body 1 is equipped with recess 6, the inside of recess 6 is equipped with screw 7, screw 7 and screw hole 5 pass through threaded connection.

In this embodiment, when the damage appears in this interior star gear body 1's lug 2, only need screw 7 to be unscrewed, will install piece 3 and extract from the inside of mounting groove 4, change new lug 2 from new, and fix it with the screw alright to it, easy operation is swift, convenient to use, mounting groove 4 through being equipped with, facilitate for the installation of lug 2, because lug 2 and interior star gear body 1 have the dismantlement function, thereby the use cost of this interior star gear has been reduced, the novel interior star gear of having solved current double caliper structure still has partial defect, most formula as an organic whole, if appear damaging, need change whole interior star gear, cause the wasting of resources, and can not maintain mostly, can only directly change, use cost is improved, very big vexed problem has been brought for the user.

Specifically, one side of lug 2 is equipped with stopper 8, stopper 8 and lug 2 fixed connection, and one side of stopper 8 is equipped with strengthens pad 9, strengthens pad 9 and stopper 8 fixed connection.

In this embodiment, through the stopper 8 that is equipped with, realized strengthening the fixed of pad 9, for strengthening the installation of pad 9 and providing convenience, through the enhancement pad 9 that is equipped with, improved the intensity of this interior star gear, avoid the steel ball direct and interior star gear body 1 contact, cause serious wearing and tearing to it, when strengthening pad 9 wearing and tearing seriously, can change it, improved the life of this interior star gear.

Specifically, one side of interior star gear body 1 is equipped with bar groove 10, and bar groove 10 inlays and establishes the surface at interior star gear body 1.

In the embodiment, the strip-shaped groove 10 is arranged, so that the attractiveness of the device is improved, the device is more popular with consumers, production materials of the inner star wheel are reduced, and waste of resources is reduced.

Specifically, the middle part of the inner star wheel body 1 is provided with a shaft hole 11.

In the embodiment, the shaft hole 11 is arranged, so that the device is mounted, and convenience is brought to the use of the device.

Specifically, the reinforcing pad 9 has a semicircular structure, and the inner wall is smooth.

In this embodiment, the reinforcing pad 9 is of a semicircular structure, and the inner wall is smooth, so that the steel ball is more comfortable when rotating inside the reinforcing pad 9, and the performance of the inner star wheel is enhanced.

Specifically, two groups of grooves 6 and screws 7 are arranged and are respectively positioned on the upper side and the lower side of the inner star wheel body 1.

In this embodiment, because recess 6 and screw 7 are equipped with two sets ofly, can fix the upper and lower both ends of lug 2 respectively, the effectual stability that improves lug 2 makes it be difficult for droing at the during operation, makes its more durable.

Specifically, the surface of the mounting groove 4 is provided with a sealing gasket, and the sealing gasket and the mounting groove 4 are fixed through gluing.

In the embodiment, the sealing gasket is arranged, so that the sealing performance between the inner star wheel body 1 and the convex block 2 is improved, and the inner star wheel body has better performance during working.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel interior star gear of two callipers structures, includes interior star gear body (1) and lug (2), its characterized in that: one side of interior star gear body (1) is equipped with lug (2), lug (2) are equipped with a plurality ofly, lug (2) and interior star gear body (1) fixed connection, one side of lug (2) is equipped with installation piece (3), installation piece (3) and lug (2) fixed connection, one side of interior star gear body (1) is equipped with mounting groove (4), installation piece (3) and mounting groove (4) are fixed through alternating, the top of installation piece (3) is equipped with screw hole (5), screw hole (5) are inlayed and are established the top surface at installation piece (3), the top of interior star gear body (1) is equipped with recess (6), the inside of recess (6) is equipped with screw (7), screw (7) and screw hole (5) are through threaded connection.

2. The novel internal star wheel of double-caliper structure as claimed in claim 1, characterized in that: one side of lug (2) is equipped with stopper (8), stopper (8) and lug (2) fixed connection, one side of stopper (8) is equipped with strengthens pad (9), strengthen pad (9) and stopper (8) fixed connection.

3. The novel internal star wheel of double-caliper structure as claimed in claim 2, characterized in that: one side of the inner star wheel body (1) is provided with a strip-shaped groove (10), and the strip-shaped groove (10) is embedded in the surface of the inner star wheel body (1).

4. The novel internal star wheel of double-caliper structure as claimed in claim 1, characterized in that: and the middle part of the inner star wheel body (1) is provided with a shaft hole (11).

5. The novel internal star wheel of double-caliper structure as claimed in claim 2, characterized in that: the reinforcing pad (9) is of a semicircular structure.

6. The novel internal star wheel of double-caliper structure as claimed in claim 1, characterized in that: the two groups of the grooves (6) and the two groups of the screws (7) are respectively positioned on the upper side and the lower side of the inner star wheel body (1).

7. The novel internal star wheel of double-caliper structure as claimed in claim 1, characterized in that: the surface of mounting groove (4) is equipped with sealed the pad, sealed pad and mounting groove (4) are fixed through the veneer.