CN218207691U

CN218207691U - High-torque chain wheel

Info

Publication number: CN218207691U
Application number: CN202222807402.5U
Authority: CN
Inventors: 罗晓辉; 李正红
Original assignee: Shandong Minghao Metal Products Co ltd
Current assignee: Shandong Minghao Metal Products Co ltd
Priority date: 2022-10-25
Filing date: 2022-10-25
Publication date: 2023-01-03
Anticipated expiration: 2032-10-25

Abstract

The utility model relates to the technical field of chain wheels, and discloses a high-torque chain wheel, which comprises a chain wheel body, wherein outer fixing mechanisms are arranged on the front and back surfaces of the chain wheel body; the outer solid mechanism includes solid fixed ring, fixed ring fixed mounting is positive at the sprocket body, gu set up the screw thread on the fixed ring and lead to the groove, threaded connection has the jackscrew in the screw thread leads to the groove, jackscrew bottom fixed mounting has the top pad, gu set up the gag lever post hole on the fixed ring, it has the gag lever post to run through in the gag lever post hole, gag lever post bottom fixed mounting has splint, the winding of gag lever post outer wall has the spring, spring one end fixed mounting is at solid fixed ring inner wall, through setting up outer solid mechanism, can increase the fixed lifting surface area of sprocket body in the pivot to improve the rotation torque of sprocket body, avoid sprocket body and pivot to produce mutual slip when using, influence the normal use of sprocket body, simple structure, the practicality is strong.

Description

High-torque chain wheel

Technical Field

The utility model relates to a sprocket technical field specifically is a high moment of torsion sprocket.

Background

The combination of a chain and a sprocket has been widely adopted as a transmission member in automobiles, motorcycles, bicycles, and various mechanical devices;

the sprocket is generally installed in the pivot, and at driven in-process, the sprocket is changeed epaxial moment of torsion and is not enough, can lead to sprocket and pivot to produce the relative slip to can influence the normal transmission of sprocket and chain, and the sprocket produces the heat easily, makes the sprocket take place deformation, thereby makes the sprocket mechanical failure, shortens the life of sprocket, for this reason, we propose a high moment of torsion sprocket.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high moment of torsion sprocket has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a high-torque chain wheel comprises a chain wheel body, wherein outer fixing mechanisms are arranged on the front and back surfaces of the chain wheel body;

the outer solid mechanism comprises a fixing ring, the fixing ring is fixedly mounted on the front side of the chain wheel body, a thread through groove is formed in the fixing ring, a jackscrew is connected to the thread through groove in a threaded mode, a jacking pad is fixedly mounted at the bottom end of the jackscrew, a limiting rod hole is formed in the fixing ring, a limiting rod penetrates through the limiting rod hole, a clamping plate is fixedly mounted at the bottom end of the limiting rod, a spring is wound on the outer wall of the limiting rod, one end of the spring is fixedly mounted on the inner wall of the fixing ring, and the other end of the spring is fixedly mounted at the top end of the clamping plate.

Preferably, the gag lever post and gag lever post hole looks adaptation can carry on spacingly to the splint through setting up gag lever post and gag lever post hole, improve the stability in use of splint.

Preferably, splint are made by friction material, the top pad is made by wear-resisting rubber, through making splint by friction material, can increase the friction on splint and pivot outer wall surface to improve the tight stability of clamp of splint, through setting up the top pad, avoid the jackscrew when the splint is moved on the top, cause the damage to the splint, improve the life of splint.

Preferably, the chain wheel body is provided with four heat dissipation holes and four mounting holes, and the inner walls of the heat dissipation holes are provided with heat dissipation grooves.

Preferably, the quantity of radiating groove is a plurality of, just the shape of radiating groove is the wave type, through setting up the radiating groove, makes the air flow in the radiating groove, increases the contact between air and the sprocket body, improves the radiating effect of radiating hole to the sprocket body.

Preferably, the inside material composition of sprocket body includes the basic unit, basic unit top fixed mounting has the enhancement layer, enhancement layer top fixed mounting has the wearing layer.

Preferably, the basic unit is made by the steel number, the enhancement layer is made by alloy steel, the wearing layer is made by high manganese steel, through setting up enhancement layer and wearing layer, can improve the service strength of sprocket body, and reduces the wearing and tearing that the sprocket body received in the use, improves the life of sprocket body.

The utility model provides a high moment of torsion sprocket. This high moment of torsion sprocket has following beneficial effect:

(1) The high-torque chain wheel has the advantages that the fixing stress area of the chain wheel body on the rotating shaft can be increased by arranging the external fixing mechanism, so that the rotating torque of the chain wheel body is improved, the chain wheel body and the rotating shaft are prevented from sliding mutually when in use, the normal use of the chain wheel body is prevented from being influenced, the structure is simple, and the practicability is high;

(2) This high moment of torsion sprocket through setting up the radiating groove, makes the air flow in the radiating groove, increases the contact between air and the sprocket body, improves the radiating effect of radiating hole to the sprocket body, through setting up enhancement layer and wearing layer, can improve the use strength of sprocket body, and reduces the wearing and tearing that the sprocket body received in the use, improves the life of sprocket body.

Drawings

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

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

FIG. 3 is an enlarged view of the part A of FIG. 2 according to the present invention;

FIG. 4 is a side view of the present invention;

fig. 5 is a schematic view of the structure of the inner material of the sprocket body of the present invention.

In the figure: 1. the chain wheel comprises a chain wheel body 2, an external fixing mechanism 3, heat dissipation holes 4, heat dissipation grooves 5, mounting holes 201, fixing rings 202, jackscrews 203, a top pad 204, a limiting rod 205, a limiting rod hole 206, a clamping plate 207, a spring 208, a threaded through groove 101, a base layer 102, a reinforcing layer 103 and a wear-resistant layer.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1-5, the utility model provides a technical solution: a high-torque chain wheel comprises a chain wheel body 1, wherein heat dissipation holes 3 and mounting holes 5 are formed in the chain wheel body 1, the number of the heat dissipation holes 3 is four, heat dissipation grooves 4 are formed in the inner walls of the heat dissipation holes 3, the number of the heat dissipation grooves 4 is several, the heat dissipation grooves 4 are wavy, air can flow in the heat dissipation grooves 3 by arranging the heat dissipation grooves 4, contact between the air and the chain wheel body 1 is increased, the heat dissipation effect of the heat dissipation holes 3 on the chain wheel body 1 is improved, the chain wheel body 1 is made of internal materials and comprises a base layer 101, a reinforcing layer 102 is fixedly arranged at the top end of the base layer 101, a wear-resistant layer 103 is fixedly arranged at the top end of the reinforcing layer 102, the base layer 101 is made of No. 45 steel, the reinforcing layer 102 is made of alloy steel, the wear-resistant layer 103 is made of high manganese steel, the reinforcing layer 102 and the wear-resistant layer 103 are arranged, the service strength of the chain wheel body 1 can be improved, the wear-resistant property of the chain wheel body 1 in the using process is reduced, the service life of the chain wheel body 1 is prolonged, and external fixing mechanisms 2 are arranged on the front and back of the chain wheel body 1;

the external fixation mechanism 2 comprises a fixation ring 201, the fixation ring 201 is fixedly arranged on the front surface of the chain wheel body 1, the fixation ring 201 is provided with a thread through groove 208, the thread through groove 208 is connected with a jackscrew 202 through a thread, the bottom end of the jackscrew 202 is fixedly provided with a top pad 203, the fixation ring 201 is provided with a limit rod hole 205, a limit rod 204 penetrates through the limit rod hole 205, the limit rod 204 is matched with the limit rod hole 205, the limit rod 204 and the limit rod hole 205 are arranged, the clamp plate 206 can be limited by arranging the limit rod 204 and the limit rod hole 205, the use stability of the clamp plate 206 is improved, the bottom end of the limit rod 204 is fixedly provided with a clamp plate 206, the clamp plate 206 is made of friction materials, the top pad 203 is made of wear-resistant rubber, the clamp plate 206 is made of friction materials, can increase splint 206 and the friction on pivot outer wall surface, thereby improve the tight stability of clamp of splint 206 clamp, through setting up the top pad 203, avoid the jackscrew when splint 206 is moved on the top, cause the damage to splint 206, improve the life of splint 206, gag lever post 204 outer wall winding has spring 207, spring 207 one end fixed mounting is at solid fixed ring 201 inner wall, spring 207 other end fixed mounting is on splint 206 top, through setting up outer solid mechanism 2, can increase sprocket body 1 and at the epaxial fixed lifting surface area of changeing, thereby improve sprocket body 1's rotation moment of torsion, avoid sprocket body 1 and pivot to produce the mutual slip when using, influence sprocket body 1's normal use, moreover, the steam generator is simple in structure, therefore, the clothes hanger is strong in practicability.

When the high-torque chain wheel is used, the chain wheel body 1 is fixedly sleeved on a rotating shaft, the jackscrew 202 can be rotated at the moment, the jackscrew 202 moves downwards when rotating, the jackscrew 202 drives the jacking pad 203 to move downwards, so that the jacking pad 203 is contacted with the clamping plate 206, the jacking clamping plate 206 moves downwards, the clamping plate 206 stretches the spring 207, and the clamping plate 206 contacts with the outer wall of the rotating shaft when moving downwards, and finally clamps the rotating shaft; through setting up heat dissipation groove 4, make the air flow in heat dissipation groove 4, increase the contact between air and the sprocket body 1, improve the radiating effect of louvre 3 to sprocket body 1, through setting up enhancement layer 102 and wearing layer 103, can improve sprocket body 1's use strength, and reduce the wearing and tearing that sprocket body 1 received in the use, improve sprocket body 1's life.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is familiar with the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered in the protection scope of the present invention.

Claims

1. A high torque sprocket, comprising a sprocket body (1), characterized in that: the front and back surfaces of the chain wheel body (1) are provided with external fixing mechanisms (2);

outer solid mechanism (2) is including solid fixed ring (201), gu fixed ring (201) fixed mounting is openly at sprocket body (1), gu set up screw thread on fixed ring (201) and lead to groove (208), threaded connection has jackscrew (202) in the groove (208) is led to the screw thread, jackscrew (202) bottom fixed mounting has apex pad (203), gu seted up stop lever hole (205) on fixed ring (201), it has gag lever post (204) to run through in stop lever hole (205), gag lever post (204) bottom fixed mounting has splint (206), gag lever post (204) outer wall winding has spring (207), spring (207) one end fixed mounting is at solid fixed ring (201) inner wall, spring (207) other end fixed mounting is on splint (206) top.

2. A high torque sprocket as set forth in claim 1, wherein: the limiting rod (204) is matched with the limiting rod hole (205).

3. A high torque sprocket as set forth in claim 1, wherein: the clamping plate (206) is made of friction material, and the top pad (203) is made of wear-resistant rubber.

4. A high torque sprocket as set forth in claim 1, wherein: the chain wheel is characterized in that the chain wheel body (1) is provided with four heat dissipation holes (3) and four mounting holes (5), and the inner walls of the heat dissipation holes (3) are provided with heat dissipation grooves (4).

5. The high torque sprocket as set forth in claim 4, wherein: the number of radiating grooves (4) is a plurality of, just the shape of radiating grooves (4) is the wave type.

6. A high torque sprocket as set forth in claim 1, wherein: the chain wheel body (1) is made of internal materials and comprises a base layer (101), a reinforcing layer (102) is fixedly mounted at the top end of the base layer (101), and a wear-resistant layer (103) is fixedly mounted at the top end of the reinforcing layer (102).

7. The high torque sprocket as set forth in claim 6, wherein: the base layer (101) is made of No. 45 steel, the reinforcing layer (102) is made of alloy steel, and the wear-resistant layer (103) is made of high manganese steel.