Synchronous cog belt of special cog structure

Abstract

The utility model relates to the technical field of tooth-shaped belts, in particular to a synchronous tooth-shaped belt with a special tooth-shaped structure, which comprises a tooth-shaped belt body, and a protection mechanism is arranged on the outer wall of the tooth-shaped belt body. The protection mechanism comprises a pin shaft slidably connected to the interior of the tooth surface of the cog belt body, a roller is rotatably connected to the outer wall of the pin shaft and located in the cog belt body, a compression spring is fixedly connected to the end, away from the roller, of the outer wall of the pin shaft, and rotating shafts are fixedly connected to the positions, above and below the pin shaft, in the cog belt body. The synchronous cog belt of a special cog structure is designed, sliding friction force of a cog belt body is reduced through a protection mechanism in the device, and the problems that large sliding friction force exists between the tooth face of an existing synchronous cog belt and a supporting cushion rail, abrasion to the tooth face of the synchronous cog belt is large, and the service life of the synchronous cog belt is prolonged are solved. The service life is shortened, and the use cost is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of toothed belts, in particular to a synchronous toothed belt with a special tooth structure. Background Art

[0002] Synchronous toothed belts, also known as synchronous belts, are similar to common belt transmission methods such as V-belts and flat belts. They are a flexible transmission form, but existing synchronous toothed belts still have shortcomings. Specifically, there is a large sliding friction between the tooth surface of the existing synchronous toothed belt and the supporting pad rail, which causes great wear on the tooth surface of the synchronous toothed belt, resulting in a reduced service life and an increase in the cost of use.

[0003] Therefore, a synchronous toothed belt with a special toothed structure is needed to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to provide a synchronous toothed belt with a special toothed structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A synchronous toothed belt with a special toothed structure comprises a toothed belt body, wherein the outer wall of the toothed belt body is provided with a protection mechanism;

[0007] The protection mechanism includes a pin shaft slidably connected to the tooth surface of the toothed belt body, the outer wall of the pin shaft is rotatably connected to a roller in the toothed belt body, the outer wall of the pin shaft is fixedly connected to a compression spring at an end away from the roller, the interior of the toothed belt body and above and below the pin shaft are fixedly connected to a rotating shaft, the outer wall of the rotating shaft is rotatably connected to an adjusting piece, the outer wall of the pin shaft is fixedly connected to a clamping block at a position corresponding to the adjusting piece, the outer wall of the adjusting piece is slidably connected to an extrusion block at a position away from the clamping block, the outer wall of the extrusion block is fixedly connected to a connecting strip, and the interior of the adjusting piece and a spiral spring are fixedly connected to the corresponding position of the rotating shaft.

[0008] As a preferred solution of the utility model, the protection mechanism is provided in multiple groups, and the multiple groups of protection mechanisms are evenly distributed on the tooth surface of the toothed belt body.

[0009] As a preferred solution of the utility model, the pin shaft, the adjusting plate, the clamping block, the extrusion block and the connecting strip are all made of ABS plastic, and the connection mode between the roller and the toothed belt body is a rotational connection.

[0010] As a preferred solution of the utility model, the roller is made of PE plastic, the adjusting plate is obliquely installed on the outer wall of the rotating shaft, and the connection between the adjusting plate and the toothed belt body, the extrusion block and the toothed belt body, and the clamping block and the extrusion block are all sliding connections.

[0011] As a preferred solution of the utility model, the extrusion block is designed as a T-shaped structure, and the connection between the compression spring and the toothed belt body and the scroll spring and the rotating shaft are all fixed connections.

[0012] As a preferred solution of the utility model, the pins are provided in two groups, and the compression springs are provided in multiple groups.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. In the utility model, a synchronous toothed belt with a special toothed structure is designed, and a protective mechanism in the device is used to reduce the sliding friction of the toothed belt body. A roller is installed in the tooth surface of the toothed belt body. When the synchronous toothed belt is running, the roller with the protruding tooth surface rolls on the supporting pad rail. At this time, rolling friction is formed between the roller and the supporting pad rail, and the sliding friction between the original tooth surface of the toothed belt body and the supporting pad rail is converted into rolling friction between the roller and the supporting pad rail. During the operation, there is no contact between the tooth surface of the toothed belt body and the supporting pad rail, and no wear will be generated. The load on the synchronous toothed belt is reduced accordingly, which solves the problem that there is a large sliding friction between the tooth surface of the existing synchronous toothed belt and the supporting pad rail, which causes great wear on the tooth surface of the synchronous toothed belt, resulting in a reduced service life and an increased cost of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a partial front cross-sectional view of the ball of the utility model;

[0017] Figure 3 It is a partial side sectional view of the ball of the utility model.

[0018] In the figure: 1, toothed belt body; 2, protection mechanism; 201, pin; 202, roller; 203, compression spring; 204, rotating shaft; 205, adjustment plate; 206, clamping block; 207, extrusion block; 208, connecting strip; 209, scroll spring. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0020] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may also be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may also be a central element. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used in this article includes any and all combinations of one or more related listed items.

[0023] For examples, see Figure 1-3 , the utility model provides a technical solution:

[0024] A synchronous toothed belt with a special tooth structure comprises a toothed belt body 1, and a protective mechanism 2 is arranged on the outer wall of the toothed belt body 1;

[0025] There are multiple sets of protection mechanisms 2, and the multiple sets of protection mechanisms 2 are evenly distributed on the tooth surface of the toothed belt body 1;

[0026] In this embodiment, reference Figure 2 and Figure 3 The protection mechanism 2 includes a pin 201 slidably connected to the tooth surface of the toothed belt body 1, an outer wall of the pin 201 is rotatably connected to a roller 202 in the toothed belt body 1, an outer wall of the pin 201 is fixedly connected to a compression spring 203 at one end away from the roller 202, a rotating shaft 204 is fixedly connected to the inside of the toothed belt body 1 and above and below the pin 201, an outer wall of the rotating shaft 204 is rotatably connected to an adjusting piece 205, an outer wall of the pin 201 is fixedly connected to a clamping block 206 at a position corresponding to the adjusting piece 205, an outer wall of the adjusting piece 205 is slidably connected to an extrusion block 207 at a position away from the clamping block 206, an outer wall of the extrusion block 207 is fixedly connected to a connecting strip 208, and a volute spring 209 is fixedly connected to the inside of the adjusting piece 205 and at a position corresponding to the rotating shaft 204;

[0027] The pin 201, the adjusting piece 205, the clamping block 206, the extrusion block 207 and the connecting strip 208 are all made of ABS plastic. The roller 202 is connected to the toothed belt body 1 by rotation. The roller 202 is made of PE plastic. The adjusting piece 205 is tiltedly installed on the outer wall of the rotating shaft 204. The adjusting piece 205 and the toothed belt body 1, the extrusion block 207 and the toothed belt body 1, and the clamping block 206 and the extrusion block 207 are all connected by sliding. The extrusion block 207 is designed in a T-shaped structure. The compression spring 203 and the toothed belt body 1, as well as the volute spring 209 and the rotating shaft 204 are all connected by fixed connection. The pin 201 is provided with two groups, and the compression spring 203 is provided with There are multiple groups. When replacing the roller 202, press the connecting strip 208, the connecting strip 208 will drive the extrusion block 207 to move inward, and the extrusion block 207 moving inward will push the adjusting piece 205 to rotate. The rotating adjusting piece 205 drives the pin 201 to move outward through the block 206, and the pin 201 moving outward will withdraw from the roller 202. Remove the roller 202, and then put the new roller 202 into the toothed belt body 1, loosen the connecting strip 208, and the volute spring 209 drives the adjusting piece 205 to rotate in the opposite direction. The adjusting piece 205 rotating in the opposite direction no longer resists the block 206, and the clamping spring 203 drives the pin 201 to move inward, and the pin 201 moving inward will be reinserted into the roller 202.

[0028] The working process of the utility model is as follows: when the synchronous toothed belt with the special toothed structure designed by the present invention is in operation, a roller 202 is installed in the tooth surface of the toothed belt body 1. When the toothed belt body 1 is in operation, the roller 202 with the protruding tooth surface rolls on the support rail. At this time, rolling friction is formed between the roller 202 and the support rail, and the sliding friction between the original tooth surface of the toothed belt body 1 and the support rail is converted into rolling friction between the roller 202 and the support rail. During operation, there is no contact between the tooth surface of the toothed belt body 1 and the support rail, and no wear will be generated. When replacing the roller 202, press the connecting strip 208, and the connecting strip 208 is pressed. 08 will drive the extrusion block 207 to move inward, and the extrusion block 207 moving inward will push the adjusting piece 205 to rotate. The rotating adjusting piece 205 drives the pin 201 to move outward through the block 206. The pin 201 moving outward will withdraw from the roller 202. The roller 202 is removed, and the new roller 202 is placed in the toothed belt body 1. The connecting strip 208 is loosened, and the volute spring 209 drives the adjusting piece 205 to rotate in the opposite direction. The adjusting piece 205 rotating in the opposite direction no longer resists the block 206. The compression spring 203 drives the pin 201 to move inward, and the pin 201 moving inward will be reinserted into the roller 202.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A synchronous toothed belt with a special tooth structure, comprising a toothed belt body (1), characterized in that: The outer wall of the toothed belt body (1) is provided with a protection mechanism (2); The protection mechanism (2) comprises a pin shaft (201) slidably connected to the tooth surface of the toothed belt body (1); a roller (202) is rotatably connected to the outer wall of the pin shaft (201) in the toothed belt body (1); a compression spring (203) is fixedly connected to the outer wall of the pin shaft (201) at one end away from the roller (202); a rotating shaft (204) is fixedly connected to the interior of the toothed belt body (1) above and below the pin shaft (201); and the rotating shaft (204) is The outer wall is rotatably connected to an adjusting plate (205); a clamping block (206) is fixedly connected to the outer wall of the pin shaft (201) at a position corresponding to the adjusting plate (205); an extrusion block (207) is slidably connected to the outer wall of the adjusting plate (205) at a position away from the clamping block (206); a connecting strip (208) is fixedly connected to the outer wall of the extrusion block (207); and a volute spring (209) is fixedly connected to the inside of the adjusting plate (205) at a position corresponding to the rotating shaft (204).

2. A synchronous toothed belt with a special toothed structure according to claim 1, characterized in that: The protection mechanism (2) is provided in multiple groups, and the multiple groups of protection mechanisms (2) are evenly distributed at the tooth surface positions of the toothed belt body (1).

3. The synchronous toothed belt with a special toothed structure according to claim 1, characterized in that: The pin shaft (201), the adjusting plate (205), the clamping block (206), the extruding block (207) and the connecting strip (208) are all made of ABS plastic, and the roller (202) is connected to the toothed belt body (1) in a rotational manner.

4. The synchronous toothed belt with a special toothed structure according to claim 1, characterized in that: The roller (202) is made of PE plastic, the adjustment sheet (205) is obliquely mounted on the outer wall of the rotating shaft (204), and the connection between the adjustment sheet (205) and the toothed belt body (1), the extrusion block (207) and the toothed belt body (1), and the clamping block (206) and the extrusion block (207) are all sliding connections.

5. The synchronous toothed belt with a special toothed structure according to claim 1, characterized in that: The extrusion block (207) is designed as a T-shaped structure, and the connection method between the compression spring (203) and the toothed belt body (1) and the scroll spring (209) and the rotating shaft (204) are all fixed connections.

6. The synchronous toothed belt with a special toothed structure according to claim 1, characterized in that: The pin shafts (201) are provided in two groups, and the compression springs (203) are provided in multiple groups.

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