A circular toothed belt
By designing the toothed belt structure of circular belt body and disc-toothed belt, the problems of high temperature and poor wear resistance caused by the large contact area of traditional toothed belts are solved, and efficient power transmission and fracture resistance are improved.
Patent Information
- Application Number
- CN202311301300.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-10-10
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2043-10-10
AI Technical Summary
The cross-section of the belt body of a traditional toothed belt is rectangular or trapezoidal, and the contact area with the toothed groove is large during operation, resulting in high temperature, poor wear resistance and easy breakage, especially in large equipment.
A toothed belt with a circular cross-section of the belt body, the toothed belt is in the shape of a disc toothed belt, and is fixedly arranged in the length direction of the belt body. The belt body is composed of a multi-layer structure, and the toothed belt is composed of a toothed core, spherical fibers, ribs and tie nets to reduce the contact area with the toothed grooves and enhance wear resistance.
Effectively avoid high temperatures, improve the wear resistance and power transmission ability of the tooth belt, and reduce the risk of fracture.
Smart Images

Figure CN117072618B_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of synchronous belts, in particular to a circular toothed belt. Background Art
[0002] A toothed belt is a transmission device that transmits power through the engagement of teeth and tooth grooves. It is widely used in various mechanical equipment, such as automobiles, construction machinery, and textile machinery. The cross-section of a traditional toothed belt is generally rectangular or trapezoidal. During operation, the belt has a large contact area with the tooth grooves, is not wear-resistant, and is prone to high temperatures. Especially in large-scale equipment applications, the power and torque transmitted are significantly insufficient, and breakage often occurs.
[0003] Therefore, how to reduce the contact area, avoid high temperature, improve the transmission power and wear resistance, and make the toothed belt not prone to breakage becomes the key technical problem to be solved in this application. Summary of the Invention
[0004] In response to at least one of the above technical problems, the present invention proposes a circular toothed belt with a small contact surface with the tooth groove, effectively avoiding high temperature, improving wear resistance, strong transmission force and not easy to break.
[0005] In order to achieve the above-mentioned object of the invention, the present invention adopts the following technical solutions:
[0006] A circular toothed belt comprises a belt body and belt teeth;
[0007] The cross section of the belt body is circular, and the belt teeth are disc-shaped;
[0008] The belt teeth are fixedly arranged at the lower end of the belt body and arranged along the length direction of the belt body.
[0009] Preferably, the belt body includes a belt core, an inner rubber ring, an inner fabric net, a middle rubber ring, an outer fabric net, an outer rubber ring and attached ribs.
[0010] Preferably, the belt teeth include a tooth core, spherical fibers, ribs, an inner tie net and an outer tie net.
[0011] Compared with the prior art, the present invention has the following beneficial technical effects:
[0012] A circular toothed belt of the present invention comprises a belt body and belt teeth; the cross-section of the belt body is circular, and the belt teeth are disc-shaped; the belt teeth are fixedly arranged at the lower end of the belt body and arranged along the length direction of the belt body; the belt body comprises a belt core, an inner rubber ring, an inner fabric net, a middle rubber ring, an outer fabric net, an outer rubber ring, and attached reinforcements; the belt teeth comprise a tooth core, spherical fibers, ribs, an inner tie net, and an outer tie net; with such an arrangement, the circular belt teeth of the present invention have a small contact area with the tooth grooves, are not prone to high temperature, have good wear resistance, transmit strong power, and are not prone to breakage. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a front view plan rendering of an excerpt from the present invention.
[0014] Figure 2 This is a schematic diagram of a three-dimensional effect selected from the present invention.
[0015] Figure 3 for Figure 2 A local enlarged structural diagram.
[0016] In the figure: 1-belt body, 2-inner rubber ring, 3-inner fabric net, 4-middle rubber ring, 5-outer fabric net, 6-outer rubber ring, 7-attached reinforcement, 8-belt core, 9-tooth core, 10-spherical fiber, 11-ribs, 12-inner knotted net, 13-outer knotted net. DETAILED DESCRIPTION
[0017] Exemplary embodiments will be described in detail herein, with examples illustrated in the accompanying drawings. In the following description, when referring to the drawings, identical numerals in different figures represent identical or similar elements, unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Rather, they are merely examples of apparatuses or methods consistent with certain aspects of the present application, as detailed in the appended claims.
[0018] like Figure 1 、 Figure 2 As shown, a circular toothed belt comprises a belt body 1 and belt teeth, wherein the belt body 1 has a circular cross section and the belt teeth are disc-shaped;
[0019] The belt teeth are fixedly arranged at the lower end of the belt body 1 and arranged along the length direction of the belt body 1.
[0020] Specifically, the circular belt teeth of the present invention are composed of two parts, namely the circular belt body 1 of the upper part and the butterfly-shaped belt teeth of the lower part. The cross section of the circular belt teeth 1 is a perfect circle, and the whole is a cylindrical or cylindrical belt loop; the belt teeth are preferably disc-shaped, and can also be trapezoidal teeth; the belt teeth are evenly distributed at the lower end of the belt body 1 and are arranged along the length direction of the belt body 1;
[0021] The diameter of the belt teeth is ≤ the diameter of the belt body 1. The upper part of the belt teeth is provided with an arc-shaped cover top, and the arc-shaped cover top is fixedly connected to the belt body 1. The middle part of the belt teeth is provided with a cover edge to reduce the contact area between the belt teeth and the tooth grooves; the cover edge is provided with a fiber mesh or a metal wire woven mesh to increase the wear resistance of the belt teeth and the tooth grooves.
[0022] In a preferred embodiment of the present invention, the belt body 1 includes a belt core 8, an inner rubber ring 2, an inner fabric mesh 3, a middle rubber ring 4, an outer fabric mesh 5, an outer rubber ring 6, and additional reinforcement 7.
[0023] Such arrangement can tighten the structure of the belt body 1 layer by layer from the inside to the outside to reduce the possibility of the belt body 1 breaking, and the belt core 8 is arranged along the central axis of the belt body 1; the main transmission force is concentrated on the belt core 8.
[0024] according to Figure 3 It can be seen that the structural layer of the belt body 1 has a total of 7 layers; the belt core 8 is arranged at the center of the belt body 1, and the belt core 8 is preferably made of steel wire or aramid. An inner rubber ring 2 is arranged on the outside of the belt core 8, and the belt core 8 is fixedly bonded to the inner rubber ring 2; an inner fabric mesh 3 is arranged on the outside of the inner rubber ring 2, and the inner fabric mesh 3 is preferably a metal wire fabric mesh, and the metal wire fabric mesh is fixedly bonded to the inner rubber ring 2; a middle rubber ring 4 is arranged on the outside of the inner fabric mesh 3, and the middle rubber ring 4 is fixedly bonded to the inner fabric mesh 3; An outer fabric mesh 5 is provided on the outside of the ring 4, and the outer fabric mesh 5 is preferably a fiber fabric mesh, and the fiber fabric mesh is fixedly bonded to the middle rubber ring 4; the outer rubber ring 6 is provided on the outside of the outer fabric mesh 5, and the outer rubber ring 6 is fixedly bonded to the outer fabric mesh 5; an additional rib 7 is provided on the surface of the outer rubber ring 6, and the additional rib 7 is arranged along the surface circumference of the outer rubber ring 6, and the additional rib 7 is arranged in the same direction as the belt body 1, and is fixedly bonded to the outer rubber ring 6; the inner rubber ring 2, the middle rubber ring 4 and the outer rubber ring 6 are preferably rubber products.
[0025] In another preferred embodiment of the present invention, the belt teeth include a tooth core 9 , spherical fibers 10 , ribs 11 , an inner knotted mesh 12 , and an outer knotted mesh 13 .
[0026] With such arrangement, the internal structure of the belt teeth is solid as a whole, and the internal structure of the belt teeth and the structure of the belt body 1 together form a flexible grid structure; the belt teeth and the belt body 1 structure are tied and fixedly connected.
[0027] Specifically, if Figure 3As shown, the tooth core 9 is arranged at the lower end of the belt core 8, the tooth core 9 has the same diameter as the belt core 8, and the tooth core 9 is fixedly connected to the belt core 8; the spherical fiber 10 is arranged at the lower end of the tooth core 9, and the tooth core 9 is fixedly connected to the spherical fiber 10; a certain number of fiber strips are reserved around the circumference of the spherical fiber 10, and the fiber strips are arranged inside the belt teeth to form the inner knotting net 12, and the fiber strips are arranged outside the belt teeth to form the outer knotting net 13; the ribs 11 are arranged between the belt core 8, the inner fabric net 3, the outer fabric net 5 and the spherical fiber 10, and the ribs 11 and the tooth core 9 are arranged in a triangular or trapezoidal shape, and the ribs 11 are preferably two, respectively arranged on both sides of the tooth core 9; the internal structure of the belt teeth is preferably fixed and bonded with rubber products.
[0028] In the present invention, the term "upper end" should be understood to include the upper part or top end, and the term "lower end" should be understood to include the lower part or bottom end, and the terms "upper end" and "lower end" only represent relative settings relative to the drawings.
[0029] The specific embodiments of the present invention are described in detail above, but they are only examples, and the present invention is not limited to the specific embodiments described above.
[0030] For those skilled in the art, any equivalent modifications and substitutions made to the practical are also within the scope of the present invention; therefore, equivalent changes and modifications made without departing from the spirit and scope of the present invention should be included in the scope of the present invention.
Claims
1. A circular toothed belt comprising a belt body (1) and belt teeth, characterized in that: The cross section of the belt body (1) is circular, and the belt teeth are disc-shaped; The belt teeth are fixedly arranged at the lower end of the belt body (1) and are arranged along the length direction of the belt body (1); The belt body (1) comprises a belt core (8), an inner rubber ring (2), an inner fabric mesh (3), a middle rubber ring (4), an outer fabric mesh (5), an outer rubber ring (6) and attached reinforcement (7); The belt teeth include a tooth core (9), spherical fibers (10), ribs (11), an inner tie net (12) and an outer tie net (13); The upper half of the toothed belt is provided with an arc-shaped cover top, the arc-shaped cover top is fixedly connected to the belt body (1), and the middle part of the toothed belt is provided with a cover edge; The tooth core (9) is arranged at the lower end of the belt core (8), and the tooth core (9) is fixedly connected to the belt core (8); the spherical fiber (10) is arranged at the lower end of the tooth core (9), and the tooth core (9) is fixedly connected to the spherical fiber (10); a certain number of fiber strips are reserved around the circumference of the spherical fiber (10), and the fiber strips are arranged inside the belt teeth to form the inner tie net (12), and the fiber strips are arranged outside the belt teeth to form the outer tie net (13); The ribs (11) are provided between the belt core (8), the inner fabric mesh (3), the outer fabric mesh (5) and the spherical fibers (10).
Citation Information
Patent Citations
Round toothed belt
CN221145168U