CN218935200U

CN218935200U - Bevel gear with changeable locking position

Info

Publication number: CN218935200U
Application number: CN202223153891.3U
Authority: CN
Inventors: 王仁方
Original assignee: Changzhou City Gleason Qianjin Gear Co ltd
Current assignee: Changzhou City Gleason Qianjin Gear Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-04-28
Anticipated expiration: 2032-11-25

Abstract

The utility model relates to the technical field of gear fixing, in particular to a bevel gear with a changeable locking position, which comprises a gear body and a fixing piece, wherein the fixing piece comprises a connecting part, a first clamping part and a second clamping part; the first clamping part is provided with a connecting hole for allowing the enclasping bolt to pass through, the tail end of the second clamping part is provided with a first fixing hole for allowing the enclasping bolt to be in threaded connection, the connecting hole is coaxial with the first fixing hole, the bevel gear is clamped and enclasped on the shaft through a fixing piece, the axial fixation of the bevel gear is realized, the size of the through hole is regulated through the enclasping bolt, and the bevel gear is convenient to install, fix and detach and maintain.

Description

Bevel gear with changeable locking position

Technical Field

The utility model relates to the technical field of gear fixing, in particular to a bevel gear with a variable locking position.

Background

Bevel gears are used to transfer motion and power between two intersecting axes, and in a typical machine, the angle of intersection between two axes of a bevel gear is equal to 90 ° (but may not be equal to 90 °). Like a cylindrical gear, bevel gears have an indexing cone, an addendum cone, a dedendum cone, and a base cone. The cone has a large end and a small end, and the circles corresponding to the large end are respectively called a reference circle (the radius of the reference circle is r), a tooth top circle, a tooth root circle and a base circle. The motion of the pair of bevel gears corresponds to the pure rolling of the pair of pitch cones. Traditional bevel gear and axle are connected through interference fit's mode, and along with live time's increase, lead to wearing and tearing and make the cooperation not hard up, performance variation, through key connection's mode transmission moment of torsion, dismantle the difficulty after the assembly, consequently the maintenance difficulty, two kinds of fixed modes make the fixed position of bevel gear unable change.

Disclosure of Invention

The utility model aims to solve the technical problems that: in order to overcome the problem that in the prior art, the bevel gear is connected with the shaft in an interference fit mode, and the use time is prolonged, the wear is caused, so that the fit is loose, the usability is poor, the torque is transmitted in a key connection mode, the bevel gear is difficult to disassemble after assembly, and therefore the bevel gear is difficult to maintain, and the bevel gear with the variable locking position is provided.

The technical scheme adopted for solving the technical problems is as follows: a bevel gear with a changeable locking position comprises a gear body and a fixing piece,

the fixing piece comprises a connecting part, a first clamping part and a second clamping part, the connecting part is fixedly connected with the gear body, the tail end of the first clamping part is connected with the head end of the connecting part, the tail end of the connecting part is connected with the head end of the second clamping part, the connecting part, the first clamping part and the second clamping part surround to form a through hole for a shaft to pass through, a gap for the shaft to get close to or get away from each other is reserved between the head end of the first clamping part and the tail end of the second clamping part,

when the head end of the first clamping part and the two ends of the tail end of the second clamping part are close to each other, the through hole is reduced so that the fixing piece holds the shaft tightly;

the first clamping part is provided with a connecting hole for allowing the enclasping bolt to pass through, the tail end of the second clamping part is provided with a first fixing hole for allowing the enclasping bolt to be in threaded connection, the connecting hole is coaxial with the first fixing hole, the bevel gear is clamped and enclasped on the shaft through a fixing piece, the axial fixation of the bevel gear is realized, the size of the through hole is regulated through the enclasping bolt, the installation and the fixation are convenient, the disassembly and the maintenance are convenient, the locking bolt is installed in the second fixing hole to prop against the shaft, and the axial fixation of the bevel gear is further enhanced.

The first clamping part is provided with a first fixing hole which extends along the radial direction, and the first fixing hole is used for the threaded connection of the locking bolt.

The fixing piece is characterized by further comprising a containing groove formed in the head end of the fixing piece, wherein the containing groove is communicated with the connecting hole, and the connecting hole is located between the containing groove and the first fixing hole.

The beneficial effects of the utility model are as follows: according to the bevel gear with the changeable locking position, the bevel gear is clamped and held on the shaft through the fixing piece, so that the axial fixation of the bevel gear is realized, the fixation of the bevel gear on the shaft can be freely adjusted, the defect of insufficient matching degree caused by errors can be avoided, the size of the through hole is adjusted through the holding bolt, the mounting, the fixing and the dismounting and the maintenance are convenient, and the axial fixation of the bevel gear is further enhanced by mounting the locking bolt in the second fixing hole to prop against the shaft.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of another perspective view of the present utility model;

FIG. 3 is a schematic elevational view of the present utility model mounted on a shaft;

FIG. 4 is a schematic cross-sectional view of the structure of FIG. 3 at A-A in accordance with the present utility model.

In the figure: 1. gear body, 2, mounting, 21, connecting portion, 22, first clamping portion, 221, connecting hole, 222, holding groove, 23, second clamping portion, 231, first fixed hole, 232, second fixed hole, 24, through-hole, 25, clearance.

Detailed Description

The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only the structures which are relevant to the utility model.

As shown in fig. 1, which is a schematic structural view of the present utility model, a bevel gear with a changeable locking position comprises a gear body 1 and a fixing member 2, wherein the gear body 1 and the fixing member 2 are in an integrated structure, so that the position of the bevel gear can be freely moved, when the bevel gear is moved to a proper position, the bevel gear is locked and fixed by the fixing member 2, and is convenient to be released and readjusted after being fixed, thereby being convenient for maintenance,

the fixing piece 2 comprises a connecting part 21, a first clamping part 22 and a second clamping part 23, the connecting part 21, the first clamping part 22 and the second clamping part 23 are of an integrated structure, the fixing piece 2 body is elastic and can elastically deform within a certain range, the connecting part 21 is fixedly connected with the gear body 1, the tail end of the first clamping part 22 is connected with the head end of the connecting part 21, the tail end of the connecting part 21 is connected with the head end of the second clamping part 23, the connecting part 21, the first clamping part 22 and the second clamping part 23 surround a through hole 24 for a shaft to pass through, a gap 25 for the first clamping part 22 and the second clamping part 23 to be mutually close to or far from each other is reserved between the head end of the first clamping part 22 and the tail end of the second clamping part 23,

when the head end of the first clamping part 22 and the two ends of the tail end of the second clamping part 23 are close to each other, the through hole 24 is reduced so that the fixing piece 2 holds the shaft tightly;

the first clamping part 22 is provided with a connecting hole 221 for allowing the enclasping bolt to pass through at the head end, the second clamping part 23 is provided with a first fixing hole 231 for allowing the enclasping bolt to be in threaded connection at the tail end, the connecting hole 221 and the first fixing hole 231 are coaxial, the bevel gear is clamped and enclasped on the shaft through the fixing piece 2, the axial fixation of the bevel gear is realized, the size of the through hole is regulated through the enclasping bolt, and the bevel gear is convenient to install, fix, detach and maintain.

As shown in fig. 2, a second fixing hole 232 extending along a radial direction is formed at the head end of the second clamping portion 23, the second fixing hole 232 is used for the threaded connection of a locking bolt, and the locking bolt is mounted in the second fixing hole 232 to abut against the shaft, so that the axial fixation of the bevel gear is further enhanced.

As shown in fig. 2, the head end of the fixing member 2 is provided with a receiving groove 222, the receiving groove 222 is communicated with the connecting hole 221, and the connecting hole 221 is located between the receiving groove 222 and the first fixing hole 231.

As shown in fig. 3 and 4, the shaft sequentially passes through the shaft hole and the through hole 24 on the gear body 1, the holding bolt passes through the first fixing hole 231 and is in threaded connection with the first fixing hole 231, so that the head end of the first clamping part 22 and the two ends of the tail end of the second clamping part 23 are close to each other, the through hole 24 is reduced to enable the fixing piece 2 to hold the shaft tightly, and the locking bolt is installed in the second fixing hole 232 to enable the locking bolt to prop against the shaft.

With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims

1. A bevel gear with a changeable locking position is characterized by comprising a gear body (1) and a fixing piece (2),

the fixing piece (2) comprises a connecting part (21), a first clamping part (22) and a second clamping part (23), the connecting part (21) is fixedly connected with the gear body (1), the tail end of the first clamping part (22) is connected with the head end of the connecting part (21), the tail end of the connecting part (21) is connected with the head end of the second clamping part (23), the connecting part (21), the first clamping part (22) and the second clamping part (23) surround a through hole (24) for a shaft to pass through, a gap (25) for the first clamping part (22) to approach or separate from the second clamping part (23) is reserved between the head end of the first clamping part and the tail end of the second clamping part (23),

when the head end of the first clamping part (22) and the two ends of the tail end of the second clamping part (23) are close to each other, the through hole (24) is reduced so that the fixing piece (2) is tightly clamped on the shaft;

the first clamping part (22) is provided with a connecting hole (221) for allowing a enclasping bolt to pass through at the head end, the second clamping part (23) is provided with a first fixing hole (231) for allowing the enclasping bolt to be in threaded connection at the tail end, and the connecting hole (221) and the first fixing hole (231) are coaxial.

2. A bevel gear with a variable locking position as claimed in claim 1, wherein: the head end of the second clamping part (23) is provided with a second fixing hole (232) extending along the radial direction, and the second fixing hole (232) is used for the threaded connection of the locking bolt.

3. A bevel gear with a variable locking position as claimed in claim 1, wherein: the head end of the fixing piece (2) is provided with a containing groove (222), the containing groove (222) is communicated with the connecting hole (221), and the connecting hole (221) is located between the containing groove (222) and the first fixing hole (231).