Synchronous belt pulley with high matching strength
By using positioning sleeves, snap teeth, strong magnets and other structures in the synchronous pulley, the problem of existing pulleys needing to be replaced as a whole when the gear teeth are damaged is solved, and the effect of high-strength coordination and convenient disassembly and assembly is achieved.
Patent Information
- Application Number
- CN202420997953.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-10
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-05-10
AI Technical Summary
The existing pulley needs to be replaced when the gear teeth are damaged, resulting in increased material expenditure and the fixed installation is inconvenient for disassembly and replacement.
A high-strength fit synchronous pulley is designed. Through the structures of positioning sleeves, snap teeth, strong magnets, limiting grooves and plug blocks, the snap teeth are kept stable and unable to be disengaged. The fixed connection between the positioning sleeve and the wheel body is achieved through the connecting block and the threaded hole.
It realizes high-strength combined use, facilitates the disassembly and assembly and replacement of pulleys, and reduces material losses.
Smart Images

Figure CN222798079U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of synchronous belt pulleys, in particular to a high-strength matched synchronous belt pulley. Background Art
[0002] Pulleys belong to the hub type parts. Pulleys are mainly used in situations where power is transmitted over long distances, such as the output of power from small diesel engines, agricultural vehicles, tractors, automobiles, mining machinery, mechanical processing equipment, textile machinery, packaging machinery, lathes, forging machines, some small horsepower motorcycle power transmission, agricultural machinery power transmission, air compressors, reducers, speed reducers, generators, cotton gins, etc.
[0003] The pulley is a commonly used transmission device, which is usually connected to the transmission belt. In the process of driving the transmission belt to rotate, the pulley will be fixed and limited in order to fit more closely.
[0004] However, most of the existing pulleys are fixed, and when a tooth is damaged, the entire pulley can only be replaced, which greatly increases the material expenditure.
[0005] Based on this, the utility model designs a high-strength matching synchronous pulley to solve the above problems. Utility Model Content
[0006] The utility model aims to provide a high-strength matching synchronous pulley to solve the above technical problems.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: it includes a wheel body, a positioning sleeve is sleeved on the side of the wheel body, a positioning groove is provided on the end of the positioning sleeve close to the wheel body, a connecting block is fixedly installed on the side of the positioning sleeve, a latch is fixedly installed on the end of the positioning sleeve close to the wheel body, a plug-in groove is provided on the end of the latch away from the positioning sleeve, a strong magnet is fixedly installed inside the plug-in groove, a positioning block is fixedly installed on the inner wall of the plug-in groove, a plug-in block is fixedly installed on the side of the latch, and a limiting groove is provided on the end of the plug-in block close to the positioning block.
[0008] Preferably, the side area of the positioning groove is larger than the side area of the wheel body, and the positioning sleeves are symmetrically installed at both ends of the wheel body. There are four connecting blocks, and the four connecting blocks are evenly arranged and installed on the sides of the positioning sleeves. Threaded holes are opened on the sides of the four connecting blocks.
[0009] Preferably, the plug-in slot is arranged in a trapezoidal shape, and the plug-in block is arranged in a trapezoidal shape, the plug-in block is installed in parallel with the strong magnet, and the side area of the plug-in block is smaller than the side area of the plug-in slot.
[0010] Preferably, the positioning block is installed symmetrically with respect to the center of the plug-in slot, and the side area of the positioning block is smaller than the side area of the limiting slot, and the positioning block is parallel to the limiting slot.
[0011] Preferably, the plug-in block is made of iron, and the plug-in block can completely enter the interior of the plug-in slot.
[0012] Preferably, the positioning sleeves can move towards each other, and the two latch teeth can fit together.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] The utility model, when in use, aligns the positioning grooves on the two positioning sleeves with the wheel body respectively, and then moves the two positioning sleeves toward each other, so that the plug-in block is inserted into the plug-in groove, and at the same time, the positioning block passes through the limiting groove and is limited by the limiting groove. When the plug-in block is completely entered into the plug-in groove, the plug-in block is attracted by the strong magnet, and the two clamping teeth fit each other. The two clamping teeth are kept stable and cannot fall out through the structures such as the strong magnet, the limiting groove, the positioning block and the plug-in groove. Then, a connecting structure such as a threaded rod is passed through the two connecting blocks, so that the positioning sleeve and the wheel body are fixedly connected, which is convenient for use, and the strength of the combined use is high enough. The overall device is convenient for disassembly, assembly and replacement, and the material loss is greatly reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0016] Figure 1 It is a side schematic diagram of the overall structure of this embodiment;
[0017] Figure 2 This is an enlarged schematic diagram of the structure at A of this embodiment;
[0018] Figure 3 This is a top view of the overall structure of this embodiment;
[0019] Figure 4 This is an enlarged schematic diagram of the structure at location B of this embodiment.
[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0021] 1. Wheel body; 2. Positioning sleeve; 3. Positioning groove; 4. Connecting block; 5. Clamping teeth; 6. Plug-in groove; 7. Strong magnet; 8. Positioning block; 9. Plug-in block; 10. Limiting groove. DETAILED DESCRIPTION
[0022] 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 of 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.
[0023] See also Figure 1-4 The utility model provides a technical solution: a high-strength matching synchronous pulley, including a wheel body 1, a positioning sleeve 2 is sleeved on the side of the wheel body 1, a positioning groove 3 is opened at the end of the positioning sleeve 2 close to the wheel body 1, a connecting block 4 is fixedly installed on the side of the positioning sleeve 2, a clamping tooth 5 is fixedly installed on the end of the positioning sleeve 2 close to the wheel body 1, a plug-in groove 6 is opened at the end of the clamping tooth 5 away from the positioning sleeve 2, a strong magnet 7 is fixedly installed inside the plug-in groove 6, a positioning block 8 is fixedly installed on the inner wall of the plug-in groove 6, a plug-in block 9 is fixedly installed on the side of the clamping tooth 5, and a limiting groove 10 is opened at the end of the plug-in block 9 close to the positioning block 8.
[0024] Preferably, the side area of the positioning groove 3 is larger than the side area of the wheel body 1, and the positioning sleeves 2 are symmetrically installed at both ends of the wheel body 1. There are four connecting blocks 4, and the four connecting blocks 4 are evenly arranged and installed on the sides of the positioning sleeve 2. Threaded holes are opened on the sides of the four connecting blocks 4. In this embodiment, the wheel body 1 can be connected to the positioning sleeve 2 through the positioning groove 3, and can be moved to a certain position to connect the two teeth 5 together, and the positioning sleeves 2 can be conveniently disassembled and assembled through the connecting block 4 through the connecting structure. The connecting structure on the connecting block 4 does not affect the meshing of other teeth 5 with the device and other connection methods.
[0025] Preferably, the plug-in slot 6 is trapezoidally arranged, and the plug-in block 9 is trapezoidally arranged, the plug-in block 9 is installed parallel to the strong magnet 7, and the side area of the plug-in block 9 is smaller than the side area of the plug-in slot 6. In this embodiment, the trapezoidal arrangement of the plug-in slot 6 and the plug-in block 9 facilitates connection and prevents the plug-in block 9 from rotating due to the force acting on it in the plug-in slot 6, thereby maintaining the stable installation of the plug-in block 9 and the plug-in slot 6.
[0026] Preferably, the positioning block 8 is installed symmetrically with respect to the center of the plug-in slot 6, and the side area of the positioning block 8 is smaller than the side area of the limiting slot 10, and the positioning block 8 is parallel to the limiting slot 10. In this embodiment, the positioning block 8 can be inserted into the limiting slot 10, and is limited by the limiting slot 10 and the plug-in block 9 to prevent the plug-in block 9 from rotating, etc., and keep the plug-in block 9 stably installed inside the plug-in slot 6.
[0027] Preferably, the plug-in block 9 is made of iron and can completely enter the interior of the plug-in slot 6. In this embodiment, since the plug-in block 9 is made of iron, the plug-in block 9 can contact the strong magnet 7, further keeping the plug-in block 9 stably inserted into the interior of the plug-in slot 6.
[0028] Preferably, the positioning sleeves 2 can move toward each other, and the two latch teeth 5 can fit together. In this embodiment, the two positioning sleeves 2 move toward each other so that the two latch teeth 5 can be combined and connected together, which facilitates the connection of other gears or pulleys.
[0029] A specific application of this embodiment is:
[0030] Align the positioning grooves 3 on the two positioning sleeves 2 with the wheel body 1 respectively, and then move the two positioning sleeves 2 toward each other so that the plug-in block 9 is inserted into the plug-in groove 6. At the same time, the positioning block 8 passes through the limiting groove 10 and is limited by the limiting groove 10. When the plug-in block 9 completely enters the plug-in groove 6, the plug-in block 9 is attracted by the strong magnet 7, and the two latch teeth 5 fit together. The two latch teeth 5 are kept stable and cannot fall out through the structures such as the strong magnet 7, the limiting groove 10, the positioning block 8 and the plug-in groove 6. Then, the connecting structure such as the threaded rod is passed through the two connecting blocks 4 to fix the connection between the positioning sleeve 2 and the wheel body 1.
[0031] In summary, through the structures such as the positioning sleeve 2, the connecting block 4, the latch 5, the strong magnet 7, the positioning block 8 and the plug-in block 9, it is possible to facilitate the coordinated use of the structures such as the latch 5, and the overall device is easy to disassemble, assemble and replace, thereby reducing material loss.
[0032] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations 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 orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.
[0034] 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 high-strength matching synchronous pulley, comprising a wheel body (1), characterized in that: The side of the wheel body (1) is sleeved with a positioning sleeve (2), and a positioning groove (3) is provided at one end of the positioning sleeve (2) close to the wheel body (1). A connecting block (4) is fixedly installed on the side of the positioning sleeve (2), and a latch (5) is fixedly installed at one end of the positioning sleeve (2) close to the wheel body (1). An inserting groove (6) is provided at one end of the latch (5) away from the positioning sleeve (2). A strong magnet (7) is fixedly installed inside the inserting groove (6), and a positioning block (8) is fixedly installed on the inner wall of the inserting groove (6). A plugging block (9) is fixedly installed on the side of the latch (5), and a limiting groove (10) is provided at one end of the plugging block (9) close to the positioning block (8).
2. A high-strength matching synchronous pulley according to claim 1, characterized in that: The side area of the positioning groove (3) is larger than the side area of the wheel body (1), and the positioning sleeve (2) is symmetrically installed at both ends of the wheel body (1). There are four connecting blocks (4), and the four connecting blocks (4) are evenly arranged and installed on the side of the positioning sleeve (2), and the side surfaces of the four connecting blocks (4) are all provided with threaded holes.
3. A high-strength matching synchronous pulley according to claim 1, characterized in that: The plug-in slot (6) is arranged in a trapezoidal shape, and the plug-in block (9) is arranged in a trapezoidal shape. The plug-in block (9) is installed in parallel with the strong magnet (7), and the side area of the plug-in block (9) is smaller than the side area of the plug-in slot (6).
4. A high-strength matching synchronous pulley according to claim 1, characterized in that: The positioning block (8) is installed symmetrically with respect to the center of the plug-in slot (6), and the side area of the positioning block (8) is smaller than the side area of the limiting slot (10), and the positioning block (8) is parallel to the limiting slot (10).
5. A high-strength matching synchronous pulley according to claim 1, characterized in that: The plug-in block (9) is made of iron, and the plug-in block (9) can completely enter the interior of the plug-in slot (6).
6. A high-strength matching synchronous pulley according to claim 1, characterized in that: The positioning sleeves (2) can move towards each other, and the two latching teeth (5) can fit together.