Low-noise transmission chain wheel mechanism

Abstract

The utility model relates to the technical field of mechanical transmission, and discloses a low-noise transmission chain wheel mechanism which comprises a chain wheel body and a positioning component arranged on the inner side of the chain wheel body. A chain wheel shaft sleeve is arranged on the inner side of the chain wheel body, and chain wheel teeth are arranged on the outer side of the chain wheel body. The positioning component comprises a fixing clamping plate, the fixing clamping plate is arranged on the outer side of the chain wheel shaft sleeve, chain wheel reinforcing ribs are arranged on the inner side of the fixing clamping plate, and the chain wheel body and the chain wheel shaft sleeve are connected through the chain wheel reinforcing ribs. According to the low-noise transmission chain wheel mechanism, the shock absorption and noise reduction grooves are designed in the outer surface of the chain wheel body, the grooves are polished to be smooth, the friction noise between the chain wheel and a chain or other transmission parts in the rotating process is reduced, and meanwhile the chain wheel reinforcing ribs and the fixing clamping plates are used for fixing; the sliding groove body slides back and forth at the bottom of the chain wheel reinforcing rib, so that the chain wheel shaft sleeve is simple and rapid to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical transmission, in particular to a low-noise transmission sprocket mechanism. Background Art

[0002] The sprocket is a wheel with cog-type sprocket teeth, which is designed to mesh with the block with accurate pitch on the link chain or cable to realize the transmission movement. The design of low-noise transmission sprocket mechanism is mainly aimed at reducing the noise generated during the transmission process while maintaining or improving the smoothness and efficiency of the transmission.

[0003] However, the existing sprocket mechanism has some defects in the transmission process. The sprocket may generate loud noise when running, which not only affects the user experience, but also may cause unnecessary vibration and wear to other components of the equipment. At the same time, there are certain limitations for different adaptation situations of the sprocket drive shaft. Therefore, a low-noise transmission sprocket mechanism is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a low-noise transmission sprocket mechanism, which has the advantages of low noise reduction, easy replacement, etc., and solves the problems of high noise and poor adaptability.

[0006] (II) Technical solution

[0007] In order to achieve the above-mentioned purpose of low noise and easy replacement, the utility model provides the following technical solutions: a low noise transmission sprocket mechanism, comprising a sprocket body and a positioning component, wherein the positioning component is arranged on the inner side of the sprocket body;

[0008] A sprocket sleeve is arranged on the inner side of the sprocket body, and sprocket teeth are arranged on the outer side of the sprocket body;

[0009] The positioning component comprises a fixed clamping plate, which is arranged on the outer side of the sprocket shaft sleeve. The inner side of the fixed clamping plate is provided with a sprocket reinforcing rib, and the sprocket reinforcing rib connects the sprocket body and the sprocket shaft sleeve.

[0010] As a preferred technical solution of the utility model, the sprocket body is in a circular ring shape, and eight equidistant sprocket reinforcement ribs are fixedly installed on the inner side of the sprocket body. The inner sides of the eight sprocket reinforcement ribs are fixedly connected with a common sprocket sleeve, and the sprocket sleeve is in a circular ring shape.

[0011] The beneficial effects of the above preferred technical solution are: the design can effectively resist the stress and torque generated during the transmission process, reduce the possibility of sprocket deformation or damage, and thus improve the reliability and stability of the entire transmission system.

[0012] As a preferred technical solution of the utility model, a key groove is opened on the inner side of the sprocket sleeve, and the key groove can be connected to the sprocket drive shaft. A sliding groove body is fixedly installed at the bottom of the sprocket reinforcement rib, and the sprocket sleeve can slide back and forth at the bottom of the sprocket reinforcement rib through the sliding groove body.

[0013] As a preferred technical solution of the utility model, four groups of equally spaced fixed clamps are fixedly installed on the outer side of the sprocket sleeve, a fixed bolt is rotatably installed on the inner side of the fixed clamp, and a positioning groove is provided on the outer surface of the sprocket reinforcement rib, and the fixed bolt can be clamped on the inner side of the positioning groove.

[0014] The beneficial effects of the above-mentioned preferred technical solution are: the design of the fixed clamping plate and the fixed bolt enables a stable connection to be formed between the sprocket sleeve and the sprocket reinforcement rib. This connection method not only enhances the overall structural stability of the sprocket, but also effectively reduces the looseness or deformation that may occur under high-speed operation or high load conditions.

[0015] As a preferred technical solution of the utility model, a circle of sprocket teeth is arranged on the outer surface of the sprocket body, tooth grooves are opened on the inner sides of adjacent sprocket teeth, and arc convex racks are arranged on the tops of the sprocket teeth.

[0016] The beneficial effects of the above-mentioned preferred technical solution are: by optimizing the shape and arrangement of the sprocket teeth, the energy loss in the transmission process can be reduced and the transmission efficiency can be improved. The design of the arc convex rack can increase the contact area between the teeth and the chain, reduce the pressure per unit area, and thus reduce wear and energy consumption.

[0017] As a preferred technical solution of the utility model, a shock-absorbing and sound-absorbing groove is provided on the outer surface of the sprocket body, the inner side of the shock-absorbing and sound-absorbing groove is polished to make it smooth, and sound-absorbing cotton can be fixedly installed on the inner side of the shock-absorbing and sound-absorbing groove.

[0018] The beneficial effects of the above-mentioned preferred technical solution are as follows: the presence of the shock-absorbing and silencer groove helps to improve the transmission smoothness of the sprocket. By reducing vibration and noise, the transmission error and fluctuation caused by these factors can be reduced, making the entire transmission system more stable and reliable.

[0019] (III) Beneficial effects

[0020] Compared with the prior art, the utility model provides a low-noise transmission sprocket mechanism with the following features:

[0021] Beneficial effects:

[0022] The low-noise transmission sprocket mechanism is designed with shock-absorbing and sound-absorbing grooves on the outer surface of the sprocket body. These grooves are polished to make them smooth, thereby reducing the friction noise between the sprocket and the chain or other transmission parts during rotation. In addition, sound-absorbing cotton can be fixedly installed on the inside of the shock-absorbing and sound-absorbing grooves, further enhancing the noise reduction effect. At the same time, the sprocket is fixed with the help of sprocket reinforcement ribs and fixed clamping plates, and the sliding groove body slides back and forth on the bottom of the sprocket reinforcement ribs, so that the replacement of the sprocket shaft sleeve becomes simple and quick. It is suitable for different sprocket transmission shafts and can effectively realize the application of noise reduction effect in the transmission sprocket mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 This is a schematic diagram of the key slot and its surrounding structure of the utility model;

[0025] Figure 3 It is a schematic diagram of the sprocket and its surrounding structure of the utility model.

[0026] In the figure: 1. sprocket body; 2. sprocket shaft sleeve; 3. fixed clamping plate; 4. sprocket reinforcement rib; 5. key slot; 6. sprocket teeth; 7. shock-absorbing and silencer slot; 8. fixed clamping bolt; 9. sliding slot body; 10. arc convex rack; 11. tooth groove. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] See also Figure 1-3 A low-noise transmission sprocket mechanism comprises a sprocket body 1 and a positioning component, wherein the positioning component is arranged on the inner side of the sprocket body 1.

[0031] A sprocket sleeve 2 is arranged on the inner side of the sprocket body 1 , and sprocket teeth 6 are arranged on the outer side of the sprocket body 1 .

[0032] It should be noted that the sprocket body 1 and the sprocket sleeve 2 are both made of high-strength, high-wear-resistant and low-friction coefficient materials, and specially treated high-strength alloy steel can be used. These materials can reduce friction and wear during meshing, thereby reducing noise.

[0033] The positioning component includes a fixed clamping plate 3 , which is arranged on the outside of the sprocket sleeve 2 . A sprocket reinforcement rib 4 is arranged on the inside of the fixed clamping plate 3 , and the sprocket reinforcement rib 4 connects the sprocket body 1 and the sprocket sleeve 2 .

[0034] In this embodiment, the sprocket body 1 is in a circular ring shape, and eight sprocket reinforcement ribs 4 with equal spacing are fixedly installed on the inner side of the sprocket body 1. The sprocket reinforcement ribs 4 with equal spacing can ensure that the sprocket can evenly distribute the load when subjected to force, thereby avoiding the stress concentration phenomenon caused by uneven force. The inner sides of the eight sprocket reinforcement ribs 4 are fixedly connected with a common sprocket sleeve 2, and the sprocket sleeve 2 is in a circular ring shape.

[0035] It should be noted that this design can effectively resist the stress and torque generated during the transmission process, reduce the possibility of sprocket deformation or damage, and thus improve the reliability and stability of the entire transmission system.

[0036] In this embodiment, a key groove 5 is opened on the inner side of the sprocket sleeve 2, and the key groove 5 can be connected to the sprocket drive shaft. A sliding groove body 9 is fixedly installed at the bottom of the sprocket reinforcement rib 4, and the sprocket sleeve 2 can slide back and forth at the bottom of the sprocket reinforcement rib 4 through the sliding groove body 9.

[0037] It should be noted that the design of the sliding groove body 9 allows the sprocket sleeve 2 to adapt to a certain position adjustment under certain circumstances. This adjustability enables the sprocket to better adapt to different working conditions and transmission requirements, thereby improving the adaptability and scope of use of the sprocket.

[0038] In this embodiment, four groups of equally spaced fixed clamps 3 are fixedly installed on the outside of the sprocket sleeve 2, and a fixed bolt 8 is rotatably installed on the inside of the fixed clamp 3. A positioning groove is provided on the outer surface of the sprocket reinforcement rib 4, and the fixed bolt 8 can be clamped on the inner side of the positioning groove.

[0039] It should be noted that, by means of the fixing bolt 8 being clamped on the inner side of the positioning slot, the sprocket sleeve 2 can be conveniently installed and removed.

[0040] In this embodiment, a circle of sprocket teeth 6 is provided on the outer surface of the sprocket body 1 , tooth grooves 11 are provided inside adjacent sprocket teeth 6 , and arc convex racks 10 are provided on the tops of the sprocket teeth 6 .

[0041] It should be noted that the design of the sprocket teeth 6 and the arc convex rack 10 can form a good meshing with the chain links, reducing the chain slipping and tooth jumping during the transmission process. This optimized meshing helps to reduce friction and noise during the transmission process and improve the smoothness and reliability of the transmission.

[0042] In this embodiment, a shock-absorbing and noise-reducing groove 7 is provided on the outer surface of the sprocket body 1 , the inner side of the shock-absorbing and noise-reducing groove 7 is polished to make it smooth, and sound-absorbing cotton can be fixedly installed on the inner side of the shock-absorbing and noise-reducing groove 7 .

[0043] It should be noted that the design of the shock-absorbing and silencer groove 7 can effectively absorb and disperse the noise generated by the sprocket during rotation. By smoothing the inside, the friction noise caused by surface roughness is reduced. In addition, if sound-absorbing cotton is further fixedly installed on the inside of the shock-absorbing and silencer groove 7, the noise can be further absorbed, significantly reducing the noise level of the entire transmission system.

[0044] The working principle of the above embodiment is:

[0045] By clamping the sprocket drive shaft at the output end of the motor on the inner side of the sprocket shaft sleeve 2, the key groove 5 is fixed, and the sprocket body 1 is driven to rotate by rotation. The sprocket teeth 6 on the outer side of the sprocket body 1 can stably engage with the chain, and the arc convex rack 10 and the tooth groove 11 are used to reduce the meshing impact and vibration, thereby reducing the noise. The shock-absorbing and silencer groove 7 is used to make the chain force more uniform, reducing the noise caused by uneven force.

[0046] The fixing of the clamping plate 3 and the sprocket reinforcement rib 4 to each other is used to stabilize the installation and facilitate the disassembly of the connection between the sprocket sleeve 2 and the sprocket reinforcement rib 4, and the sliding groove body 9 is used to facilitate quick installation and removal.

[0047] The beneficial effects of the above embodiments are:

[0048] By designing shock-absorbing and sound-absorbing grooves 7 on the outer surface of the sprocket body 1, these grooves are polished to make them smooth, thereby reducing the friction noise between the sprocket and the chain or other transmission parts during rotation. In addition, sound-absorbing cotton can be fixedly installed on the inside of the shock-absorbing and sound-absorbing grooves 7, further enhancing the noise reduction effect. At the same time, it is fixed with the help of the sprocket reinforcement ribs 4 and the fixed clamping plate 3, and the sliding groove body slides back and forth at the bottom of the sprocket reinforcement rib 4, so that the replacement of the sprocket sleeve 2 becomes simple and quick, and it is suitable for different sprocket drive shafts, and can effectively realize the application of noise reduction effect in the transmission sprocket mechanism.

[0049] 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 low-noise transmission sprocket mechanism, comprising a sprocket body and a positioning component, wherein the positioning component is arranged on the inner side of the sprocket body; Features: A sprocket sleeve is arranged on the inner side of the sprocket body, and sprocket teeth are arranged on the outer side of the sprocket body; The positioning component comprises a fixed clamping plate, which is arranged on the outer side of the sprocket shaft sleeve. The inner side of the fixed clamping plate is provided with a sprocket reinforcing rib, and the sprocket reinforcing rib connects the sprocket body and the sprocket shaft sleeve.

2. A low-noise transmission sprocket mechanism according to claim 1, characterized in that: The sprocket body is in the shape of a circular ring, and eight sprocket reinforcing ribs with equal spacing are fixedly installed on the inner side of the sprocket body. A common sprocket shaft sleeve is fixedly connected to the inner sides of the eight sprocket reinforcing ribs, and the sprocket shaft sleeve is in the shape of a circular ring.

3. A low-noise transmission sprocket mechanism according to claim 2, characterized in that: A key slot is provided on the inner side of the sprocket shaft sleeve, and the key slot can be connected to the sprocket transmission shaft. A sliding slot body is fixedly installed at the bottom of the sprocket reinforcement rib, and the sprocket shaft sleeve can slide back and forth at the bottom of the sprocket reinforcement rib through the sliding slot body.

4. A low-noise transmission sprocket mechanism according to claim 2, characterized in that: Four groups of equally spaced fixed clamps are fixedly installed on the outer side of the sprocket sleeve, a fixed clamp is rotatably installed on the inner side of the fixed clamp, a positioning slot is opened on the outer surface of the sprocket reinforcement rib, and the fixed clamp can be clamped on the inner side of the positioning slot.

5. A low-noise transmission sprocket mechanism according to claim 1, characterized in that: A circle of sprocket teeth is arranged on the outer surface of the sprocket body, tooth grooves are arranged on the inner sides of adjacent sprocket teeth, and arc convex racks are arranged on the tops of the sprocket teeth.

6. A low-noise transmission sprocket mechanism according to claim 1, characterized in that: A shock-absorbing and sound-absorbing groove is provided on the outer surface of the sprocket body, the inner side of the shock-absorbing and sound-absorbing groove is polished to make it smooth, and sound-absorbing cotton can be fixedly installed on the inner side of the shock-absorbing and sound-absorbing groove.

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