CN211951375U

CN211951375U - Chain wheel set mechanism

Info

Publication number: CN211951375U
Application number: CN202020413517.4U
Authority: CN
Inventors: 裘冰儿
Original assignee: Shengzhou Non Standard Sprocket Co ltd
Current assignee: Shengzhou Non Standard Sprocket Co ltd
Priority date: 2020-03-26
Filing date: 2020-03-26
Publication date: 2020-11-17
Anticipated expiration: 2030-03-26

Abstract

The utility model relates to a sprocket field, aim at provides a sprocket group mechanism, and this mechanism has and changes the sprocket convenient, simple structure, advantage that the practicality is strong. The technical scheme is as follows: the mechanism comprises a chain wheel shaft and a plurality of chain wheel bodies arranged on the chain wheel shaft, wherein each chain wheel body comprises a left half wheel and a right half wheel, a first bulge is arranged at the middle upper part of the right side wall of the left half wheel and close to the edge of the front surface of the left half wheel, a first groove matched with the first bulge is arranged on the side wall of the front surface of the right half wheel, and the first bulge is clamped and fixed in the first groove; the middle lower part of right half wheel left side wall just is close to right half wheel front border department and is equipped with the second arch, be equipped with the second recess with the protruding looks adaptation of second on the half wheel front lateral wall of a left side, the protruding joint of second is fixed in first recess.

Description

Chain wheel set mechanism

Technical Field

The utility model relates to a sprocket field, concretely relates to sprocket group mechanism.

Background

The sprocket is a wheel with cogged sprocket teeth for meshing with precisely pitched blocks on a chain link or cable. The chain wheel has the advantages of simple structure, stable transmission, convenient installation and maintenance, reliable work and the like, and is widely applied to mechanical transmission in various industries. The chain wheel is worn due to friction between the chain and the wheel body in the working process, and equipment cannot work normally after the chain wheel is worn, so that the chain and the wheel body need to be replaced regularly; when the chain wheels are replaced, if a plurality of chain wheels are installed on the same chain wheel shaft and the chain wheel on the inner side needs to be replaced, the chain wheel on the outer side needs to be disassembled, so that the disassembly is complicated; therefore, the above-mentioned sprocket has a drawback of inconvenient replacement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sprocket group mechanism, and this mechanism has and changes the sprocket convenient, simple structure, advantage that the practicality is strong.

In order to realize the purpose of the utility model, the utility model adopts the technical proposal that: a chain wheel set mechanism comprises a chain wheel shaft and a plurality of chain wheel bodies arranged on the chain wheel shaft, wherein each chain wheel body comprises a left half wheel and a right half wheel, a first bulge is arranged at the middle upper part of the right side wall of the left half wheel and close to the edge of the front face of the left half wheel, a first groove matched with the first bulge is arranged on the front side wall of the right half wheel, and the first bulge is clamped and fixed in the first groove;

the middle lower part of right half wheel left side wall just is close to right half wheel front border department and is equipped with the second arch, be equipped with the second recess with the protruding looks adaptation of second on the half wheel front lateral wall of a left side, the protruding joint of second is fixed in first recess.

Preferably, the sprocket shaft overcoat is equipped with a plurality of fixed covers, the middle part of fixed cover is equipped with the annular mounting groove, the sprocket wheel body cover is established in the mounting groove, it is protruding to be equipped with a set of third along fixed cover axis symmetry in the mounting groove to be equipped with a set of third recess corresponding with the third arch on sprocket wheel body and the relative wall in mounting groove bottom, the protruding card of third is established in the third recess.

Preferably, the outer wall of the chain wheel shaft is provided with a spline, the inner wall of the fixing sleeve is provided with a key groove matched with the spline, and the fixing sleeve is fixed on the chain wheel shaft through a bolt.

Preferably, the first protrusion and the first groove, and the second protrusion and the second groove are fixed by screws.

The beneficial effects of the utility model are concentrated and are embodied in: the utility model discloses when changing the epaxial sprocket of connecting, only need dismantle the sprocket that appears wearing and tearing, need not to dismantle other sprockets, easy operation, convenient, this sprocket group has simple structure, advantage that the practicality is strong. Specifically, the sprocket body is divided into a left half wheel and a right half wheel, the left half wheel and the right half wheel are matched and spliced together through a first bulge and a first groove, and a second bulge and a second groove and are fixed, so that the left half wheel and the right half wheel can be combined into the sprocket body; when the chain wheel is installed, the wheel bodies of the chain wheels are separated, sleeved on the chain wheel shaft and then spliced together; when needs are dismantled, half wheel on the left side and half wheel on the right side part can be accomplished and the sprocket wheel body is dismantled, dismantle easy operation, it is convenient, other sprockets can not receive the influence when dismantling.

Drawings

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

FIG. 2 is a view from A-A of the structure shown in FIG. 1;

FIG. 3 is a schematic view of the structure of the sprocket body of the present invention;

fig. 4 is a structure view of the fixing sleeve of the present invention.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1 to 4, a sprocket assembly mechanism includes a sprocket shaft 1 and a plurality of sprocket bodies 2 installed on the sprocket shaft 1, in this embodiment, two sprocket bodies 2 are preferably installed, in practical application, the number of the sprocket bodies 2 may be two or more, in order to facilitate detachment of the sprocket bodies 2 on the sprocket shaft 1, each sprocket body 2 includes a left half wheel 3 and a right half wheel 4, that is, the sprocket body 2 is divided into two halves, a first protrusion 5 is disposed at a middle upper portion of a right side wall of the left half wheel 3 and near an edge of a front surface of the left half wheel 3, a first groove 6 adapted to the first protrusion 5 is disposed on a front side wall of the right half wheel 4, the first protrusion 5 is clamped in the first groove 6, screw holes are disposed on the first protrusion 5 and in the first groove, and the first protrusion 5 is fixed in the first groove 6 by screws;

a second bulge 7 is arranged at the middle lower part of the left side wall of the right half wheel 4 and close to the edge of the front side of the right half wheel 4, a second groove 8 matched with the second bulge 7 is arranged on the side wall of the front side of the left half wheel 3, the second bulge 7 is clamped in the first groove 6, screw holes are also formed in the second bulge 7 and the second groove, and the second bulge 7 is fixed in the second groove 8 through screws; when the chain wheel needs to be replaced, the screws on the chain wheel body 2 are unscrewed, so that the left half wheel 3 and the right half wheel 4 are separated, and the chain wheel body 2 can be taken down from the chain wheel shaft 1 to finish the disassembly; the mechanism has the advantages of simple structure, convenient and fast disassembly operation and strong practicability.

Further, in order to facilitate the installation of the sprocket body 2, a plurality of fixing sleeves 9 are sleeved outside the sprocket shaft 1, and the fixing sleeves 9 correspond to the sprocket body 2 in number one by one; in order to prevent the relative rotation between the chain wheel shaft 1 and the fixed sleeve 9, the chain wheel shaft 1 and the fixed sleeve 9 can be in key connection, namely, the outer wall of the chain wheel shaft 1 is provided with a spline, the inner wall of the fixed sleeve 9 is provided with a key slot matched with the spline, in order to fix the fixed sleeve 9 on the chain wheel shaft 1, the side wall of the fixed sleeve 9 is provided with a plurality of bolts, and the fixed sleeve 9 is fixed on the chain wheel shaft 1 through the bolts; and through loosening the bolt, make fixed cover 9 can slide on sprocket shaft 1, therefore still can utilize fixed cover 9 to adjust the position of sprocket wheel body 2 on sprocket shaft 1, be convenient for carry out fine adjustment after the installation sprocket. An annular mounting groove 10 is formed in the middle of the fixing sleeve 9, the sprocket body 2 is sleeved in the mounting groove 10, a group of third protrusions 11 which are symmetrical along the axis of the fixing sleeve 9 are arranged in the mounting groove 10, in the embodiment, two third protrusions 11 are preferred, a group of third grooves 12 corresponding to the third protrusions 11 are formed in the wall surface of the sprocket body 2 opposite to the bottom of the mounting groove 10, and the third protrusions 11 are clamped in the third grooves 12; the chain wheel body is installed: and inserting a third groove 12 on the sprocket body 2 into the third protrusion 11, screwing the screw to fix the sprocket body 2 in the mounting groove 10, and screwing the bolt to fix the fixing sleeve 9 to complete the mounting of the sprocket group.

It should be noted that, for simplicity of description, the above-mentioned embodiments of the method are described as a series of acts or combinations, but those skilled in the art should understand that the present application is not limited by the order of acts described, as some steps may be performed in other orders or simultaneously according to the present application. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and elements referred to are not necessarily required in this application.

Claims

1. The utility model provides a sprocket group mechanism, includes sprocket shaft (1) and installs a plurality of sprocket wheel body (2) on sprocket shaft (1), its characterized in that: the chain wheel body (2) comprises a left half wheel (3) and a right half wheel (4), a first bulge (5) is arranged at the middle upper part of the right side wall of the left half wheel (3) and close to the edge of the front side of the left half wheel (3), a first groove (6) matched with the first bulge (5) is formed in the front side wall of the right half wheel (4), and the first bulge (5) is clamped and fixed in the first groove (6);

half wheel (4) left side wall's the well lower part of right side and be close to half wheel (4) front border department on the right side and be equipped with the second arch (7), half wheel (3) on the left side is equipped with on the front lateral wall with second arch (7) looks adaptation second recess (8), protruding (7) joint of second is fixed in first recess (6).

2. A sprocket set mechanism as set forth in claim 1, wherein: sprocket shaft (1) overcoat is equipped with a plurality of fixed covers (9), the middle part of fixed cover (9) is equipped with annular mounting groove (10), sprocket wheel body (2) cover is established in mounting groove (10), be equipped with a set of protruding (11) of third along fixed cover (9) axis symmetry in mounting groove (10) to be equipped with a set of third recess (12) corresponding with protruding (11) of third on sprocket wheel body (2) and mounting groove (10) bottom relative wall, the protruding (11) card of third is established in third recess (12).

3. A sprocket set mechanism as set forth in claim 2, wherein: the outer wall of the chain wheel shaft (1) is provided with a spline, and the inner wall of the fixed sleeve (9) is provided with a key groove matched with the spline; the fixed sleeve (9) is fixed on the chain wheel shaft (1) through a bolt.

4. A sprocket set mechanism as set forth in claim 1, wherein: the first bulge (5) and the first groove (6) and the second bulge (7) and the second groove (8) are fixed through screws.