Anti-deviation synchronizing wheel

Abstract

The utility model belongs to the technical field of synchronizing wheels, and particularly relates to an anti-deviation synchronizing wheel which comprises a supporting plate and a limiting device, the side wall of the supporting plate is rotationally connected with a main wheel and an auxiliary wheel, and the surface of the main wheel and the surface of the auxiliary wheel are sleeved with a belt. A limiting device is arranged on the surface of the supporting plate and comprises a supporting frame, the supporting frame is located on the side wall of the supporting plate, the inner surface of the supporting frame is rotationally connected with a threaded rod, the surface of the threaded rod is in threaded connection with two moving blocks, and cleaning devices are arranged on the surfaces of the moving blocks and comprise containing blocks. The side wall of the placing block is fixedly connected with the side wall of the moving block, two sliding blocks are slidably connected to the surface of the placing block, and cleaning brushes are fixedly connected to the ends, close to each other, of the two sliding blocks. By arranging the limiting block, the position of the belt can be limited, meanwhile, the situation that the belt deviates and falls off is reduced, the guide wheel can reduce abrasion when the belt moves, and the threaded rod can enable the limiting block to be adjusted according to the position of the belt.

Description

Technical Field

[0001] The utility model relates to the technical field of synchronous wheels, in particular to an anti-deviation synchronous wheel. Background Art

[0002] Synchronous pulleys are generally made of steel, aluminum alloy, cast iron, brass and other materials, and their inner holes are round holes, D-shaped holes, tapered holes, etc. Synchronous pulley transmission consists of a closed ring belt with equally spaced teeth on the inner surface and a corresponding pulley.

[0003] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: in many transmission mechanisms, synchronous wheels and belts are used, and most transmission mechanisms lack anti-deviation structures for the synchronous wheels and belts. In actual use, the rotation of the synchronous wheels is likely to cause the belts to deviate and fall off; therefore, an anti-deviation synchronous wheel is proposed to address the above-mentioned problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background technology is solved.

[0005] The technical solution adopted by the utility model to solve its technical problems is: the anti-deviation synchronous wheel described in the utility model comprises a support plate and a limit device, the side wall of the support plate is rotatably connected with a main wheel and a secondary wheel, and the surfaces of the main wheel and the secondary wheel are covered with belts; the surface of the support plate is provided with a limit device, and the limit device comprises a support frame, the support frame is located at the side wall of the support plate, the inner surface of the support frame is rotatably connected with a threaded rod, the surface of the threaded rod is threadedly connected with two moving blocks, the surface of the moving block is rotatably connected with a limit block, the limit block is covered on the surface of the belt, the moving block drives the limit block to slide, the limit block fits the belt, and the limit block rotates on the surface of the moving block when fitting, and the belt position can be limited by setting the limit block, thereby reducing the deviation of the belt.

[0006] Preferably, a limiting groove is provided on the surface of the limiting block, and the inner surface of the limiting groove of the limiting block is rotatably connected to a plurality of guide wheels, the guide wheels are located on the surface of the belt, and the belt will also drive the guide wheels to rotate on the inner surface of the limiting block. By setting the guide wheels, the resistance of the belt during movement can be reduced.

[0007] Preferably, two connecting blocks are fixedly connected to the surface of the support frame, and two positioning pins are threadedly connected to the inner walls of the connecting blocks and the support plate. After the support frame is attached to the support plate, the positioning pins are rotated to the inner walls of the connecting blocks and the support plate, and the positioning pins can limit the position of the connecting blocks and the support plate.

[0008] Preferably, a knob is fixedly connected to the bottom end of the threaded rod, and the knob is located at the bottom end of the support frame. When the threaded rod needs to be rotated, the knob is turned to allow the knob to drive the threaded rod to rotate. The threaded rod can be easily rotated by setting the knob.

[0009] Preferably, the surface of the threaded rod is provided with opposite threads at both ends, and the threads on the surface of the threaded rod are threadedly connected to the inner wall of the moving block. By providing two opposite threads on the surface of the threaded rod, two moving blocks can be conveniently moved simultaneously.

[0010] Preferably, a cleaning device is provided on the surface of the moving block, and the cleaning device includes a placing block, the side wall of the placing block is fixedly connected to the side wall of the moving block, and the surface of the placing block is slidably connected to two sliders, and one end of the two sliders close to each other is fixedly connected to a cleaning brush, and the cleaning brush is located on the surface of the belt, and the slider drives the cleaning brush to slide, and the cleaning brush fits the belt. When the belt moves, it will move on the surface of the cleaning brush, and the cleaning brush can clean the belt.

[0011] Preferably, the slider and the surface of the placement block are fixedly connected with a spring, the cross-section of the slider forms an "L"-shaped structure, the spring will rebound when the slider is released, and the spring drives the slider to move, and the spring can be set to make the slider close to the belt.

[0012] Preferably, a sliding hole is provided on the surface of the slider, and the inner wall of the sliding hole of the slider is slidably connected to the surface of the placement block. When the slider slides, the slider slides on the surface of the placement block through the sliding hole. The opening of the sliding hole can facilitate the sliding of the slider on the surface of the placement block.

[0013] The utility model is beneficial in that:

[0014] 1. When the belt needs to be used, the utility model fits the support frame into the support plate, then rotates the positioning pin to the inner wall of the connecting block and the support plate, and then rotates the knob to drive the threaded rod to rotate. The threaded rod rotates on the inner surface of the support frame and the inner wall of the moving block, and the moving block drives the limit block to move. The limit block is sleeved on the surface of the belt through the limit groove, and the guide wheel will also be close to the belt. When the belt is active, the belt will move on the inner wall of the limit groove, and the belt will also move on the surface of the guide wheel. The guide wheel rotates on the inner surface of the limit block. By setting the limit block, the position of the belt can be limited, and at the same time, the deviation and falling off of the belt can be reduced. The guide wheel can reduce the wear of the belt when it moves, and the threaded rod can allow the limit block to be adjusted according to the position of the belt.

[0015] 2. In the utility model, when the belt moves, the belt will move on the surface of the cleaning brush. When the cleaning brush is worn, the spring will rebound, and the spring drives the slider to slide. The slider slides on the surface of the placement block through the sliding hole. The slider drives the cleaning brush to slide, and the cleaning brush fits the belt. By setting the cleaning brush, the belt can be cleaned, and the spring can make the cleaning brush close to the belt. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be 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 paying creative labor.

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a main wheel in an anti-deviation synchronous wheel;

[0018] Figure 2 A kind of anti-runaway synchronous wheel Figure 1 A schematic diagram of the structure at A;

[0019] Figure 3 A schematic diagram of the side structure of a main wheel in an anti-deviation synchronous wheel;

[0020] Figure 4 A kind of anti-runaway synchronous wheel Figure 3 Schematic diagram of the structure at point B.

[0021] In the figure: 1. support plate; 2. main wheel; 3. secondary wheel; 4. belt; 5. limit device; 51. support frame; 52. threaded rod; 53. moving block; 54. limit block; 55. limit groove; 56. guide wheel; 57. connecting block; 58. positioning pin; 59. knob; 6. cleaning device; 61. placement block; 62. slider; 63. cleaning brush; 64. spring; 65. sliding hole. 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 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.

[0023] See also Figure 1-4As shown, an anti-deviation synchronous wheel comprises a support plate 1 and a limiting device 5, wherein the side wall of the support plate 1 is rotatably connected with a main wheel 2 and a secondary wheel 3, and the surfaces of the main wheel 2 and the secondary wheel 3 are sleeved with a belt 4; a limiting device 5 is provided on the surface of the support plate 1, and the limiting device 5 comprises a support frame 51, wherein the support frame 51 is located on the side wall of the support plate 1, and the inner surface of the support frame 51 is rotatably connected with a threaded rod 52, and the surface of the threaded rod 52 is threadedly connected with two moving blocks 53, and the surface of the moving block 53 is rotatably connected with a limiting block 54, and the limiting block 54 is sleeved on the surface of the belt 4; when working, the support frame 51 is attached to the support plate 1, and then the threaded rod 52 is rotated to allow the threaded rod 52 to rotate on the inner surface of the support frame 51 and the inner wall of the moving block 53, and the moving block 53 drives the limiting block 54 to slide, and the limiting block 54 is attached to the belt 4. When attached, the limiting block 54 will rotate on the surface of the moving block 53, and the position of the belt 4 can be limited by setting the limiting block 54, thereby reducing the deviation of the belt 4.

[0024] A limiting groove 55 is provided on the surface of the limiting block 54, and the inner surface of the limiting groove 55 of the limiting block 54 is rotatably connected to a plurality of guide wheels 56, and the guide wheels 56 are located on the surface of the belt 4; when working, the belt 4 will move on the inner wall of the limiting groove 55 of the limiting block 54, and at the same time, the belt 4 will also drive the guide wheels 56 to rotate on the inner surface of the limiting block 54, and by setting the guide wheels 56, the resistance of the belt 4 during movement can be reduced.

[0025] The surface of the support frame 51 is fixedly connected to two connecting blocks 57, and the connecting blocks 57 and the inner wall of the support plate 1 are threadedly connected to two positioning pins 58; when working, the positioning pins 58 are rotated to the inner walls of the connecting blocks 57 and the support plate 1, and the positioning pins 58 can limit the position of the connecting blocks 57 and the support plate.

[0026] The bottom end of the threaded rod 52 is fixedly connected with a knob 59, and the knob 59 is located at the bottom end of the support frame 51; when working, the knob 59 is turned to allow the knob 59 to drive the threaded rod 52 to rotate. The setting of the knob 59 can facilitate the rotation of the threaded rod 52.

[0027] The surface of the threaded rod 52 is provided with opposite threads at both ends, and the threads on the surface of the threaded rod 52 are threadedly connected to the inner wall of the moving block 53; when working, the two moving blocks 53 can be easily moved simultaneously by providing two opposite threads on the surface of the threaded rod 52.

[0028] The surface of the moving block 53 is provided with a cleaning device 6, and the cleaning device 6 includes a placing block 61, and the side wall of the placing block 61 is fixedly connected to the side wall of the moving block 53, and the surface of the placing block 61 is slidably connected to two sliders 62, and the ends of the two sliders 62 close to each other are fixedly connected with a cleaning brush 63, and the cleaning brush 63 is located on the surface of the belt 4; when working, the slider 62 is pushed to slide on the surface of the placing block 61, and the slider 62 drives the cleaning brush 63 to slide, and the cleaning brush 63 is in contact with the belt 4. When the belt 4 moves, it will move on the surface of the cleaning brush 63, and the cleaning brush 63 can clean the belt 4.

[0029] The surfaces of the slider 62 and the placement block 61 are fixedly connected with a spring 64, and the cross-section of the slider 62 forms an "L"-shaped structure; when working, the slider 62 will drive the spring 64 to contract, and when the slider 62 is released, the spring 64 will rebound, and the spring 64 drives the slider 62 to move. By setting the spring 64, the slider 62 can be close to the belt 4.

[0030] A sliding hole 65 is provided on the surface of the slider 62, and the inner wall of the sliding hole 65 of the slider 62 is slidably connected to the surface of the placement block 61; when working, the slider 62 slides on the surface of the placement block 61 through the sliding hole 65, and the opening of the sliding hole 65 can facilitate the sliding of the slider 62 on the surface of the placement block 61.

[0031] Working principle: when the belt 4 needs to be used, the support frame 51 is fitted to the support plate 1, and then the positioning pin 58 is rotated to the connecting block 57 and the inner wall of the support plate 1, and then the knob 59 is rotated to allow the knob 59 to drive the threaded rod 52 to rotate, and the threaded rod 52 rotates on the inner surface of the support frame 51 and the inner wall of the moving block 53, and the moving block 53 drives the limit block 54 to move, and the limit block 54 is sleeved on the surface of the belt 4 through the limit groove 55, and the guide wheel 56 will also be close to the belt 4. When the belt 4 moves, the belt 4 will move on the inner wall of the limit groove 55, and the belt 4 will also move on the surface of the guide wheel 56, and the guide wheel 56 will rotate on the inner surface of the limit block 54. By setting the limit block 5 4 can limit the position of the belt 4 and reduce the deviation and fall-off of the belt 4, while the guide wheel 56 can reduce the wear of the belt 4 when it moves, and the threaded rod 52 can allow the limit block 54 to be adjusted according to the position of the belt 4; when the belt 4 moves, the belt 4 will move on the surface of the cleaning brush 63, and when the cleaning brush 63 is worn, the spring 64 will rebound, and the spring 64 drives the slider 62 to slide, and the slider 62 slides on the surface of the placement block 61 through the sliding hole 65, and the slider 62 drives the cleaning brush 63 to slide, and the cleaning brush 63 fits the belt 4. By setting the cleaning brush 63, the belt 4 can be cleaned, and the spring 64 can make the cleaning brush 63 close to the belt 4.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An anti-deviation synchronous wheel, comprising a support plate (1) and a limit device (5), wherein the side wall of the support plate (1) is rotatably connected to a main wheel (2) and a secondary wheel (3), and the surfaces of the main wheel (2) and the secondary wheel (3) are covered with a belt (4); the characteristics are: A limiting device (5) is provided on the surface of the support plate (1), the limiting device (5) comprising a support frame (51), the support frame (51) being located on the side wall of the support plate (1), the inner surface of the support frame (51) being rotatably connected to a threaded rod (52), the surface of the threaded rod (52) being threadably connected to two moving blocks (53), the surface of the moving block (53) being rotatably connected to a limiting block (54), and the limiting block (54) being sleeved on the surface of the belt (4).

2. The anti-runaway synchronous wheel according to claim 1, characterized in that: A limiting groove (55) is provided on the surface of the limiting block (54); the inner surface of the limiting groove (55) of the limiting block (54) is rotatably connected to a plurality of guide wheels (56); the guide wheels (56) are located on the surface of the belt (4).

3. The anti-runaway synchronous wheel according to claim 2, characterized in that: Two connection blocks (57) are fixedly connected to the surface of the support frame (51), and two positioning pins (58) are threadedly connected between the connection block (57) and the inner wall of the support plate (1).

4. The anti-runaway synchronous wheel according to claim 1, characterized in that: The bottom end of the threaded rod (52) is fixedly connected to a knob (59), and the knob (59) is located at the bottom end of the support frame (51).

5. The anti-runaway synchronous wheel according to claim 1, characterized in that: The surface of the threaded rod (52) is provided with thread lines at two opposite ends, and the thread lines on the surface of the threaded rod (52) are threadedly connected to the inner wall of the moving block (53).

6. The anti-runaway synchronous wheel according to claim 1, characterized in that: A cleaning device (6) is provided on the surface of the moving block (53), the cleaning device (6) comprising a placement block (61), the side wall of the placement block (61) being fixedly connected to the side wall of the moving block (53), the surface of the placement block (61) being slidably connected to two sliders (62), the ends of the two sliders (62) being close to each other being fixedly connected to a cleaning brush (63), the cleaning brush (63) being located on the surface of the belt (4).

7. The anti-runaway synchronous wheel according to claim 6, characterized in that: The surfaces of the sliding block (62) and the placing block (61) are fixedly connected with a spring (64), and the cross section of the sliding block (62) forms an "L"-shaped structure.

8. The anti-runaway synchronous wheel according to claim 6, characterized in that: A sliding hole (65) is provided on the surface of the sliding block (62), and the inner wall of the sliding hole (65) of the sliding block (62) is slidably connected to the surface of the placement block (61).

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