CN217481903U

CN217481903U - Speed reducer sprocket

Info

Publication number: CN217481903U
Application number: CN202220629946.4U
Authority: CN
Inventors: 王温克
Original assignee: Qingdao Zhonggen Industrial Co ltd
Current assignee: Qingdao Zhonggen Industrial Co ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-09-23
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a speed reducer sprocket, which comprises a sprocket body, wherein the sprocket body is provided with a mounting groove, and the groove wall of the mounting groove is uniformly provided with a plurality of key grooves; a plurality of fan-shaped through holes are uniformly formed in the wheel body; a plurality of chain wheel teeth are uniformly distributed on the wheel body. The utility model discloses the structure is ingenious, and reasonable in design effectively guarantees the synchronism of motion between sprocket and the pivot, effectively alleviates the jam of sprocket and chain drive in-process, and simultaneously, wearing layer and corrosion-resistant layer mutually support the life that can effectively prolong the sprocket.

Description

Speed reducer sprocket

Technical Field

The utility model relates to a sprocket technical field especially relates to a speed reducer sprocket.

Background

The speed reducer is a power transmission mechanism that obtains a large torque by reducing the number of revolutions of a motor to a desired number of revolutions using a speed converter of a gear. In the current mechanisms for transmitting power and motion, the application range of the speed reducer is quite wide. The trace of the transmission system is almost seen in the transmission systems of various machines, from ships, automobiles and locomotives of vehicles, heavy equipment for buildings, processing equipment and automatic production equipment used in the mechanical industry, common household appliances in daily life, clocks and watches, and the like. The application of the speed reducer can be seen from the transmission work of large power, to the transmission of small load and accurate angle, and in industrial application, the speed reducer has the functions of reducing speed and increasing torque, so the speed reducer is widely applied to speed and torque conversion equipment.

The internal part of a part of speed reducers adopts chain transmission for power transmission, and the chain transmission is a transmission mode of transmitting the motion and the power of a driving chain wheel with a special tooth form to a driven chain wheel with the special tooth form through a chain. The chain transmission has many advantages, compared with the belt transmission, the chain transmission has no elastic sliding and slipping phenomena, the average transmission ratio is accurate, the work is reliable, and the efficiency is high; the transmission power is large, the overload capacity is strong, and the transmission size under the same working condition is small; the required tension is small, and the pressure acting on the shaft is small; can work in adverse circumstances such as high temperature, humidity, dustiness, have pollution, but the sprocket among the prior art can appear conveying the phenomenon that asynchronous causes the bite, leads to the transmission to become invalid or the untimely condition.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem in the background art and providing a speed reducer sprocket.

In order to realize the purpose, the utility model adopts the following technical scheme:

a chain wheel of a speed reducer comprises a wheel body, wherein a mounting groove is formed in the wheel body, and a plurality of key grooves are uniformly formed in the wall of the mounting groove;

a plurality of fan-shaped through holes are uniformly formed in the wheel body;

a plurality of chain wheel teeth are uniformly distributed on the wheel body.

Preferably, the surface of the wheel body is provided with an outer ring groove.

Preferably, the surface of the wheel body is provided with an inner ring groove.

Preferably, the wheel body is divided into an abrasion-resistant layer, a flexible elastic layer and a corrosion-resistant layer from top to bottom.

Preferably, the wear-resistant layer is composed of chromium aluminum nitride and tungsten disulfide materials alternately.

Preferably, the flexible elastic layer is made of a high polymer rubber alloy.

Preferably, the surface of the corrosion-resistant layer is provided with a diamond-like coating

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

1. through setting up a plurality of keyways in different positions, guarantee can select in the installation according to the demand to select a plurality of keyway mounting keys in different positions, the multiple key in different positions can be effectual the synchronism of assurance sprocket and pivot motion, and the key failure leads to moving between sprocket and the pivot not synchronous when avoiding single key-type connection.

2. The arrangement of the fan-shaped through holes, the inner ring grooves and the outer ring grooves can effectively save manufacturing materials of the chain wheel, and meanwhile, the rigidity and the strength of the chain wheel can meet the use requirements.

3. The wear-resistant layer is formed by alternately adopting chromium aluminum nitride and tungsten disulfide materials, so that the wear resistance of the chain wheel is effectively improved; the flexible elastic layer is arranged to ensure that when jamming exists in the meshing process of the chain wheel and the chain, the jamming can be effectively reduced and the noise can be correspondingly reduced through the deformation of the flexible elastic layer; the diamond-like coating coated on the surface of the corrosion-resistant layer ensures that the wear-resistant chain wheel has the characteristics of low friction and high wear resistance under the condition of a thin hard wear-resistant layer, effectively reduces the wear of the chain wheel and reduces the friction power loss.

To sum up, the utility model discloses the structure is ingenious, and reasonable in design effectively guarantees the synchronism of motion between sprocket and the pivot, effectively alleviates the jam of sprocket and chain drive in-process, and simultaneously, wearing layer and corrosion-resistant layer mutually support can effectively prolong the life of sprocket.

Drawings

Fig. 1 is a schematic structural view of a speed reducer sprocket according to the present invention;

fig. 2 is the utility model provides a layered structure schematic diagram in speed reducer sprocket.

In the figure: the wheel comprises a wheel body 1, an outer ring groove 2, a fan-shaped through hole 3, an inner ring groove 4, a mounting groove 5, a key groove 6, a sprocket tooth 7, an anti-corrosion layer 8, a flexible elastic layer 9 and a wear-resistant layer 10.

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.

Referring to fig. 1-2, a speed reducer sprocket comprises a sprocket body 1, wherein a mounting groove 5 is formed in the sprocket body 1, and a plurality of key grooves 6 are uniformly formed in the wall of the mounting groove 5;

a plurality of fan-shaped through holes 3 are uniformly formed in the wheel body 1, an outer annular groove 2 is formed in the surface of the wheel body 1, and an outer annular groove 2 is formed in the surface of the wheel body 1;

a plurality of chain wheel teeth 7 are uniformly distributed on the wheel body 1;

the wheel body 1 is divided into a wear-resistant layer 10, a flexible elastic layer 9 and a corrosion-resistant layer 8 from top to bottom in sequence, the wear-resistant layer 10 is formed by adopting chromium aluminum nitride and tungsten disulfide materials alternately, the flexible elastic layer 9 is made of high polymer rubber alloy, and the surface of the corrosion-resistant layer 8 is provided with a diamond-like coating.

When the utility model is installed, the rotating shaft is installed in the installation groove 5, and the rotating shaft and the chain wheel are installed through a plurality of keys during installation; it is worth noting that a plurality of key grooves 6 in different directions can be selected to install keys according to requirements in the installation process, and a plurality of keys in different directions can effectively ensure the movement synchronism of the chain wheel and the rotating shaft, so that the problem that the movement is not synchronous between the chain wheel and the rotating shaft due to the failure of the keys in the connection of a single key is avoided;

the arrangement of the fan-shaped through holes 4, the inner ring groove 4 and the outer ring groove 2 can effectively save the manufacturing materials of the chain wheel, and simultaneously ensure that the rigidity and the strength of the chain wheel can meet the use requirements;

the wear-resistant layer 10 is formed by alternately forming chromium aluminum nitride and tungsten disulfide materials, so that the wear resistance of the chain wheel is effectively improved; the flexible elastic layer 9 ensures that when jamming exists in the meshing process of the chain wheel and the chain, the jamming can be effectively reduced and the noise can be correspondingly reduced through the deformation of the flexible elastic layer 9; the diamond-like coating coated on the surface of the corrosion-resistant layer 8 ensures that the wear-resistant chain wheel has the characteristics of low friction and high wear resistance under the condition of a thin hard wear-resistant layer, effectively reduces the wear of the chain wheel and reduces the friction power loss.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a speed reducer sprocket, includes wheel body (1), its characterized in that: the wheel body (1) is provided with a mounting groove (5), and the wall of the mounting groove (5) is uniformly provided with a plurality of key grooves (6);

a plurality of fan-shaped through holes (3) are uniformly formed in the wheel body (1);

a plurality of chain wheel teeth (7) are uniformly distributed on the wheel body (1).

2. The reducer sprocket of claim 1, wherein: the surface of the wheel body (1) is provided with an outer ring groove (2).

3. The reducer sprocket of claim 1, wherein: an inner ring groove (4) is formed in the surface of the wheel body (1).

4. The reducer sprocket of claim 1, wherein: the wheel body (1) is sequentially divided into a wear-resistant layer (10), a flexible elastic layer (9) and a corrosion-resistant layer (8) from top to bottom.

5. The reducer sprocket of claim 4, wherein: the wear-resistant layer (10) is formed by alternately adopting chromium aluminum nitride and tungsten disulfide materials.

6. The reducer sprocket of claim 4, wherein: the flexible elastic layer (9) is made of high polymer rubber alloy.

7. The reducer sprocket of claim 4, wherein: the surface of the corrosion-resistant layer (8) is provided with a diamond-like coating.