Novel belt tensioning device

By designing a new belt tensioning device, using an adjustment system composed of rotating shaft, bearing components and springs, the existing belt tensioning device has solved the problem of complex structure and large space occupancy, and automatically adjusts the tensioning force, reduces costs and adapts to applications in smaller spaces.

CN223063073UActive Publication Date: 2025-07-04TIANJIN SERUI CHUANGXIANG TECH CO LTD
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Patent Information

Application Number
CN202422351511.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-26
Publication Date
2025-07-04
Estimated Expiration
2034-09-26

AI Technical Summary

Technical Problem

The existing belt tensioning device has a complex structure and takes up a large space, resulting in high costs, and the belt is prone to stretch and loose during transmission, affecting its performance.

Method used

A new belt tensioning device is designed, including a connecting frame, tensioning wheel assembly and adjustment tensioning device. The adjustment system consisting of a rotating shaft, bearing assembly, spring and adjustment bolt is used to automatically adjust the tensioning force, which is suitable for smaller spaces.

Benefits of technology

It achieves a simple structure, low cost and automatic adjustment of tension force, suitable for smaller spaces, and has significant advantages over traditional mechanical tensioning devices.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a novel belt tensioning device which comprises a connecting frame, a tensioning wheel assembly is installed at one end of the connecting frame, a support is arranged at the other end of the connecting frame, an adjusting tensioning device is arranged at one end of the support, and one end of the adjusting tensioning device is connected to the connecting frame. The connecting frame comprises a tensioning frame and a sleeve welded to the tensioning frame, and the sleeve is rotationally installed on the support. The tensioning wheel assembly comprises a tensioning wheel, a bearing assembly and a shaft, the two ends of the shaft are rotationally installed on the connecting frame, and the tensioning wheel is rotationally installed on the shaft through the bearing assembly; the support comprises a rotating shaft, a shaft sleeve and a tensioning plate, the shaft sleeve is installed on the inner side of one end of the connecting frame, and the rotating shaft is rotationally installed at one end of the connecting frame through the shaft sleeve; the belt tensioning device is simple in structure, low in manufacturing cost, applicable to smaller space and capable of automatically adjusting tensioning force, and has great advantages compared with traditional mechanical tensioning.
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Description

Technical Field

[0001] The utility model belongs to the technical field of belt drive, and particularly relates to a novel belt tensioning device. Background Technique

[0002] Belt drive is required in many production processes; the tensioned belt is driven by the frictional force between the belt and the pulley under the action of the transmission shaft; because the belt has the advantages of elasticity, low cost and easy maintenance, its function is irreplaceable in many cases. However, the belt is very easy to elongate and become loose during the transmission process, thus affecting the use performance. Therefore, it is necessary to adjust and tension the belt.

[0003] At present, the structure of the belt adjusting and tensioning device is complex and occupies a large space, resulting in too high cost. Therefore, it is necessary to design a novel belt tensioning device to solve the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a novel belt tensioning device to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A novel belt tensioning device, including a connecting frame, one end of the connecting frame is installed with a tensioning wheel assembly, the other end of the connecting frame is provided with a bracket, one end of the bracket is provided with an adjusting and tensioning device, and one end of the adjusting and tensioning device is connected to the connecting frame.

[0006] Preferably, the connecting frame includes a tensioning frame and a sleeve welded on the tensioning frame, and the sleeve is rotatably installed on the bracket.

[0007] Preferably, the tensioning wheel assembly includes a tensioning wheel, a bearing assembly and a shaft. The two ends of the shaft are rotatably installed on the connecting frame, and the tensioning wheel is rotatably installed on the shaft through the bearing assembly.

[0008] Preferably, the bracket includes a rotating shaft, a shaft sleeve and a tensioning plate. The shaft sleeve is installed inside one end of the connecting frame, the rotating shaft is rotatably installed at one end of the connecting frame through the shaft sleeve, and the tensioning plate is fixedly installed at one end of the rotating shaft.

[0009] Preferably, the adjusting and tensioning device includes a spring, an adjusting nut and an adjusting bolt. The adjusting bolt is fixedly installed at one end of the bracket through the adjusting nut, and the spring is installed outside one end of the adjusting bolt.

[0010] Preferably, one end of the adjusting bolt is fixed to one end of the bracket, and the other end of the adjusting bolt is fixed to the connecting frame

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The belt tensioning device of the utility model has a simple structure, low cost, can be applied to a smaller space, and can also automatically adjust the tensioning force. Compared with traditional mechanical tensioning, it has great advantages.

[0013] 2. The tensioning wheel assembly of the utility model is installed on the connecting frame, and the adjusting tensioning device is installed on the bracket; the tensioning wheel assembly consists of a tensioning wheel, a bearing assembly, a shaft, etc.; the adjusting tensioning device consists of an adjusting bolt, an adjusting nut, a spring, etc.; there is a rotating shaft on the bracket, which can drive the adjusting tensioning device to swing along the rotating shaft, drive the connecting frame and the tensioning wheel to make a swinging action, and finally realize the tensioning effect of the tensioning wheel. Description of the Drawings

[0014] Figure 1 is a schematic structural diagram of the utility model;

[0015] Figure 2 is a top view structural diagram of the utility model;

[0016] In the figure: 1. Tensioning wheel assembly; 1-1. Tensioning wheel; 1-2. Bearing assembly; 1-3. Shaft; 2. Connecting frame; 2-1. Sleeve; 2-2. Tensioning frame; 3. Bracket; 3-1. Rotating shaft; 3-2. Bush; 3-3. Tensioning plate; 4. Adjusting tensioning device; 4-1. Spring; 4-2. Adjusting nut; 4-3. Adjusting bolt. Detailed Embodiments

[0017] Next, the technical solutions in the embodiments of the utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the utility model.

[0018] Embodiment 1: Please refer to Figure 1 and Figure 2 , the utility model provides a technical solution: a novel belt tensioning device, including a connecting frame 2, one end of the connecting frame 2 is installed with a tensioning wheel assembly 1, the other end of the connecting frame 2 is provided with a bracket 3, one end of the bracket 3 is provided with an adjusting tensioning device 4, and one end of the adjusting tensioning device 4 is connected to the connecting frame 2.

[0019] Further, please refer to Figure 1 and Figure 2, the connecting frame 2 includes a tensioning frame 2-2 and a sleeve 2-1 welded to the tensioning frame 2-2. The sleeve 2-1 is rotatably installed on the bracket 3; the tensioning wheel assembly 1 includes a tensioning wheel 1-1, a bearing assembly 1-2 and a shaft 1-3. Both ends of the shaft 1-3 are rotatably installed on the connecting frame 2. The tensioning wheel 1-1 is rotatably installed on the shaft 1-3 through the bearing assembly 1-2. The tensioning wheel assembly 1 is installed on the connecting frame 2 through the shaft 1-3. The connecting frame 2 is welded with the sleeve 2-1 and the tensioning frame 2-2; the bracket 3 includes a rotating shaft 3-1, a bushing 3-2 and a tensioning plate 3-3. The bushing 3-2 is installed inside one end of the connecting frame 2. The rotating shaft 3-1 is rotatably installed on one end of the connecting frame 2 through the bushing 3-2. The tensioning plate 3-3 is fixedly installed at one end of the rotating shaft 3-1. The sleeve 2-1 can rotate along the rotating shaft 3-1. The tensioning plate 3-3 is fastened to the rotating shaft 3-1 by bolts; the tensioning adjustment device 4 includes a spring 4-1, an adjusting nut 4-2 and an adjusting bolt 4-3. The adjusting bolt 4-3 is fixedly installed at one end of the bracket 3 through the adjusting nut 4-2. The spring 4-1 is installed outside one end of the adjusting bolt 4-3; one end of the adjusting bolt 4-3 is fixed to one end of the bracket 3, and the other end of the adjusting bolt 4-3 is fixed to the connecting frame 2. The adjusting nut 4-2 installs the adjusting bolt 4-3 on the tensioning plate 3-3. The end of the adjusting bolt 4-3 is inserted into the hole reserved in the tensioning frame 2-2; the spring 4-1 is installed on the adjusting bolt 4-3, and a pressing block is installed at the front end.

[0020] As can be seen from the above description, the present utility model has the following beneficial effects: The device of the present utility model has a simple structure, low cost, can be applied to a smaller space, and can also automatically adjust the tension force, which has great advantages compared with traditional mechanical tensioning.

[0021] Embodiment 2: Please refer to Figure 1 and Figure 2 As shown, on the basis of Embodiment 1, the present utility model provides a technical solution: The tensioning wheel assembly 1 is composed of a tensioning wheel 1-1, a bearing assembly 1-2 and a shaft 1-3. The tensioning wheel assembly 1 is installed on the connecting frame 2 through the shaft 1-3. The connecting frame 2 is welded with the sleeve 2-1 and the tensioning frame 2-2. The sleeve 2-1 can rotate along the rotating shaft 3-1; the tensioning plate 3-3 is fastened to the rotating shaft 3-1 by bolts. The adjusting nut 4-2 installs the adjusting bolt 4-3 on the tensioning plate 3-3. The end of the adjusting bolt 4-3 is inserted into the hole reserved in the tensioning frame 2-2; the spring 4-1 is installed on the adjusting bolt 4-3, and a pressing block is installed at the front end.

[0022] With the above technical solution, the tensioner assembly is installed on the connecting frame, and the adjusting tensioning device is installed on the bracket. The tensioner assembly consists of a tensioner, a bearing assembly, a shaft, etc.; the adjusting tensioning device consists of an adjusting bolt, an adjusting nut, a spring, etc. There is a rotating shaft on the bracket, which can drive the adjusting tensioning device to swing along the rotating shaft, drive the connecting frame and the tensioner to perform a swinging action, and finally achieve the tensioning effect of the tensioner.

[0023] The working principle and usage process of the present utility model: When it is necessary to tension the belt pulley, the rotating shaft 3-1 rotates, and drives the tensioning plate 3-3 to rotate through the bolt and the pin shaft; the adjusting bolt 4-3 and the spring 4-1 are pre-installed on the tensioning plate 3-3 and adjusted to the appropriate position; the front end pressing block of the spring 4-1 presses on the end plane of the tensioning frame 2-2; under the action of the spring force, the connecting frame 2 rotates around the rotating shaft 3-1, thereby driving the tensioner assembly 1 to swing, realizing the function of pressing or loosening the belt;

[0024] The spring 4-1 has two-way adjustment ability, which can not only tension the belt, but also play a certain buffering role; the connecting frame 2 can be made into various shapes, and the installation position of the adjusting bolt 4-3 can be changed, so that the installation position of the tensioning device has differences, so as to meet the requirements of various different devices.

[0025] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "including a..." does not exclude the existence of additional identical elements in the process, method, article or device including the said element.

[0026] The above is only used to illustrate the technical solution of the present utility model and not to limit it. Any other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solution of the present utility model shall be covered within the scope of the claims of the present utility model as long as they do not depart from the spirit and scope of the technical solution of the present utility model.

Claims

1. A new type of belt tensioning device, including a connecting frame (2), characterized in that: One end of the connecting frame (2) is installed with a tensioning wheel assembly (1), the other end of the connecting frame (2) is provided with a bracket (3), one end of the bracket (3) is provided with a tensioning adjustment device (4), and one end of the tensioning adjustment device (4) is connected to the connecting frame (2).

2. A novel belt tensioning device according to claim 1, characterized in that: The connecting frame (2) includes a tensioning frame (2-2) and a sleeve (2-1) welded to the tensioning frame (2-2), and the sleeve (2-1) is rotatably installed on the bracket (3).

3. A novel belt tensioning device according to claim 1, characterized in that: The tensioning wheel assembly (1) includes a tensioning wheel (1-1), a bearing assembly (1-2) and a shaft (1-3). Both ends of the shaft (1-3) are rotatably installed on the connecting frame (2), and the tensioning wheel (1-1) is rotatably installed on the shaft (1-3) through the bearing assembly (1-2).

4. A novel belt tensioning device according to claim 1, characterized in that: The bracket (3) includes a rotating shaft (3-1), a bushing (3-2) and a tensioning plate (3-3). The bushing (3-2) is installed inside one end of the connecting frame (2), the rotating shaft (3-1) is rotatably installed at one end of the connecting frame (2) through the bushing (3-2), and the tensioning plate (3-3) is fixedly installed at one end of the rotating shaft (3-1).

5. A novel belt tensioning device according to claim 1, characterized in that: The tensioning adjustment device (4) includes a spring (4-1), an adjusting nut (4-2) and an adjusting bolt (4-3). The adjusting bolt (4-3) is fixedly installed at one end of the bracket (3) through the adjusting nut (4-2), and the spring (4-1) is installed outside one end of the adjusting bolt (4-3).

6. The novel belt tensioning device according to claim 5, characterized in that: One end of the adjusting bolt (4-3) is fixed to one end of the bracket (3), and the other end of the adjusting bolt (4-3) is fixed to the connecting frame (2).