CN215488361U

CN215488361U - Sprocket assembly convenient to change sprocket body

Info

Publication number: CN215488361U
Application number: CN202121878939.XU
Authority: CN
Inventors: 张志国
Original assignee: Jiaozuo Jiachuang Machinery Equipment Co ltd
Current assignee: Jiaozuo Jiachuang Machinery Equipment Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-01-11
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a chain wheel assembly convenient for replacing a chain wheel body, which comprises a chain wheel shaft and a chain wheel body, wherein a bearing is fixedly connected to the middle section of the outer wall of the chain wheel shaft, an integrally formed boss is arranged at one end of the outer wall of the bearing, the chain wheel body is arranged on the outer wall of the bearing, the chain wheel body comprises an upper wheel body and a lower wheel body, the upper wheel body and the lower wheel body are fixedly connected with the boss through fastening bolts, and one end, far away from the boss, of the outer wall of the bearing is in threaded connection with a locking ring. According to the utility model, the sprocket body is of a two-half structure and is fixed on the boss arranged on the bearing through the fastening bolt, so that when the sprocket body is damaged, the sprocket body can be replaced by directly disassembling the fastening bolt without disassembling the sprocket shaft and the bearing, and the convenience of replacement is improved.

Description

Sprocket assembly convenient to change sprocket body

Technical Field

The utility model relates to the technical field of chain wheels, in particular to a chain wheel assembly convenient for replacing a chain wheel body.

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 is widely applied to mechanical transmission and the like in the industries of chemical engineering, textile machinery, escalators, wood processing, three-dimensional parking garages, agricultural machinery, food processing, instruments, petroleum and the like, and the chain wheel is arranged on a shaft and does not swing or tilt. The end surfaces of two chain wheels in the same transmission component are positioned in the same plane, and the deviation can be 1 mm when the center distance of the chain wheels is below 0.5 m; when the center distance of the chain wheel is more than 0.5 m, the deviation can be 2 mm. But the phenomenon of rubbing the tooth flank of the chain wheel is not allowed, and chain dropping and accelerated abrasion are easy to generate if the two wheels are deviated too much. Care must be taken to check and adjust the offset when changing sprockets.

Current sprocket assembly, sprocket are fixed on the sprocket shaft for integrated configuration, dismantle inconveniently, generally need dismantle the sprocket shaft is whole, and is comparatively troublesome, so can not satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chain wheel assembly convenient for replacing a chain wheel body, wherein the chain wheel body is of a two-half structure and is fixed on a boss arranged on a bearing through a fastening bolt, so that the chain wheel body can be replaced by directly disassembling the fastening bolt when damaged, a chain wheel shaft and the bearing do not need to be disassembled, the replacement convenience is improved, a locking ring is further arranged to be matched with the boss for use, the chain wheel body arranged on the bearing can be used for auxiliary supporting and limiting, the strength and the use stability are improved, and finally, the chain wheel body of the two-half structure is mutually clamped and limited through a convex block and a clamping groove, so that the assembly and the limiting are facilitated, and the mounting and fixing stability of the chain wheel body matched with the fastening bolt is improved.

In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a sprocket assembly convenient to change sprocket body, includes sprocket shaft and the sprocket body, sprocket shaft outer wall middle section position department rigid coupling has the bearing, bearing outer wall one end is provided with integrated into one piece's boss, be provided with the sprocket body on the bearing outer wall, the sprocket body includes wheel body and lower wheel body, and goes up the wheel body and all pass through fastening bolt and boss fixed connection with lower wheel body, the one end threaded connection that the boss was kept away from to the bearing outer wall has the locking ring.

As a further description of the above technical solution:

and an annular groove matched with the fastening bolt for use is formed in one side wall of the locking ring, which is close to the chain wheel body.

As a further description of the above technical solution:

a clamping groove is formed in the upper wheel body, and a protruding block matched with the clamping groove for use is arranged on the lower wheel body.

As a further description of the above technical solution:

and second bolt holes matched with fastening bolts are formed in the upper wheel body and the lower wheel body.

As a further description of the above technical solution:

a first bolt hole matched with the fastening bolt is formed in the boss.

As a further description of the above technical solution:

the outer diameter of the boss is equal to the outer diameter of the locking ring, and the outer diameters of the boss and the locking ring are smaller than the outer diameter of the sprocket body.

The utility model provides a chain wheel assembly convenient for replacing a chain wheel body. The method has the following beneficial effects:

this kind of sprocket assembly convenient to change sprocket body, the sprocket body is two half structures, fix on the boss that sets up on the bearing through fastening bolt, when making the sprocket body damage, can be directly through dismantling down fastening bolt, alright change with regard to, need not to dismantle sprocket shaft and bearing, improve its convenience of changing, further be provided with locking ring cooperation boss and use, the sprocket body that can set up on the bearing carries out auxiliary stay and spacing, improve its intensity and the stability of use, at last, still block each other with draw-in groove and spacing through the lug between the sprocket body of two half structures, it assembles spacing improvement its cooperation fastening bolt and installs fixed stability to be convenient for.

Drawings

FIG. 1 is a front view of a sprocket assembly for facilitating replacement of a sprocket body in accordance with the present invention;

FIG. 2 is a schematic structural view of the sprocket body of the present invention;

fig. 3 is a schematic structural view of a bearing according to the present invention.

Illustration of the drawings:

1. a sprocket shaft; 2. a bearing; 21. a boss; 22. a first bolt hole; 3. locking a ring; 4. a sprocket body; 41. an upper wheel body; 42. a lower wheel body; 43. a bump; 44. a card slot; 45. a second bolt hole; 5. and fastening the bolt.

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.

Referring to fig. 1-3, a sprocket assembly convenient to change sprocket body, includes sprocket shaft 1 and sprocket body 4, and sprocket shaft 1 outer wall middle section position department rigid coupling has bearing 2, and bearing 2 outer wall one end is provided with integrated into one piece's boss 21, is provided with sprocket body 4 on the bearing 2 outer wall, and sprocket body 4 includes wheel body 41 and lower wheel body 42, and goes up wheel body 41 and lower wheel body 42 and all pass through fastening bolt 5 and boss 21 fixed connection, and the one end threaded connection that boss 21 was kept away from to the bearing 2 outer wall has locking ring 3.

The locking ring 3 is close to and offers the ring channel that cooperation fastening bolt 5 used on 4 lateral walls of sprocket body, and the setting up of ring channel is used for the cooperation to be outstanding to the fastening bolt 5 in the sprocket body 4 outside for the outer wall of locking ring 3 can closely laminate with the outer wall of sprocket body 4, assists spacing and support sprocket body 4, has all offered the external screw thread on the inner wall of locking ring 3 and the bearing 2 outer wall.

The upper wheel body 41 is provided with a locking groove 44, the lower wheel body 42 is provided with a projection 43 matched with the locking groove 44, and the locking groove 44 and the projection 43 are arranged so that the upper wheel body 41 and the lower wheel body 42 can be mutually locked and limited.

Second bolt holes 45 matched with the fastening bolts 5 are formed in the upper wheel body 41 and the lower wheel body 42, first bolt holes 22 matched with the fastening bolts 5 are formed in the boss 21, the first bolt holes 22 and the second bolt holes 45 are used for being matched with the fastening bolts 5, and therefore the upper wheel body 41 and the lower wheel body 42 are fixed on the boss 21 through the fastening bolts 5.

The outer diameter of the boss 21 is equal to the outer diameter of the locking ring 3, and the outer diameters of the boss 21 and the locking ring 3 are both smaller than the outer diameter of the sprocket body 4.

The working principle is as follows: when the chain wheel assembly convenient for replacing the chain wheel body is used, firstly, the upper wheel body 41 and the lower wheel body 42 are respectively sleeved on the outer wall of the bearing 2, then the upper wheel body 41 and the lower wheel body 42 are clamped through the convex block 43 and the clamping groove 44, then the upper wheel body 41 and the lower wheel body 42 are fixed on the boss 21 through the fastening bolt 5, and then the locking ring 3 is in threaded connection on the outer wall of the bearing 2, so that the side wall of the locking ring 3 and the side wall of the chain wheel body 4, far away from the boss 21, are mutually attached, at the moment, the installation and fixation of the chain wheel body 4 are completed, and the chain wheel assembly can be used.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a sprocket assembly convenient to change sprocket body, includes sprocket shaft (1) and sprocket body (4), its characterized in that, sprocket shaft (1) outer wall middle section position department rigid coupling has bearing (2), bearing (2) outer wall one end is provided with integrated into one piece's boss (21), be provided with sprocket body (4) on bearing (2) outer wall, sprocket body (4) include wheel body (41) and lower wheel body (42), and go up wheel body (41) and lower wheel body (42) and all pass through fastening bolt (5) and boss (21) fixed connection, the one end threaded connection that boss (21) were kept away from to bearing (2) outer wall has locking ring (3).

2. A sprocket assembly for facilitating replacement of a sprocket body according to claim 1, wherein the locking ring (3) has an annular groove formed in a side wall thereof adjacent to the sprocket body (4) for receiving a fastening bolt (5).

3. The sprocket assembly convenient for replacing the sprocket body according to claim 1, wherein the upper sprocket body (41) is provided with a locking groove (44), and the lower sprocket body (42) is provided with a projection (43) used in cooperation with the locking groove (44).

4. A sprocket assembly facilitating replacement of a sprocket body according to claim 1, wherein the upper sprocket body (41) and the lower sprocket body (42) are provided with second bolt holes (45) for use with fastening bolts (5).

5. A sprocket assembly for facilitating replacement of a sprocket body according to claim 1, wherein the boss (21) is provided with a first bolt hole (22) for engagement with a fastening bolt (5).

6. A sprocket assembly for facilitating replacement of a sprocket body according to claim 1, wherein the boss (21) has an outer diameter equal to the outer diameter of the locking ring (3), and wherein the outer diameters of the boss (21) and the locking ring (3) are smaller than the outer diameter of the sprocket body (4).