Belt pulley and heat dissipation structure thereof

Abstract

The utility model discloses a belt pulley and a heat dissipation structure thereof, and particularly relates to the technical field of belt pulleys. An adjusting piece used for conducting limiting adjustment according to different belt widths is arranged outside the wheel body. And the adjusting part comprises a threaded ring, the thread directions of threads outside the front end and the rear end of the threaded ring are opposite, moving rings are in threaded connection with the exteriors of the front end and the rear end of the threaded ring correspondingly, the moving rings are sleeved with limiting rings, and a plurality of connecting plates used for being connected with the limiting rings are installed outside the moving rings. The movable ring is in threaded connection with the threaded ring, so that the threaded ring rotates to drive the movable ring limited by the positioning column, the connecting plate and the limiting rings to move front and back, the effect of adjusting the distance between the two limiting rings can be achieved, adjustment can be conveniently carried out according to different belt widths, and the practicability is high. And the operation convenience and the adjusting efficiency of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of belt pulley more specifically, a kind of belt pulley and its heat dissipation structure. BACKGROUND

[0002] In the field of modern industrial machinery, as a kind of vital basic transmission component, belt pulley plays an indispensable role. It is widely used in the power transmission system of various mechanical equipment, from traditional manufacturing production line to emerging automation equipment, and its figure can be seen. Among them, temperature change will affect the tension of the belt. If the temperature of the belt pulley is too high and the heat dissipation is poor, it may cause the belt to relax or expand, affect the friction between the belt and the belt pulley, and thus reduce the transmission efficiency. Reasonable heat dissipation structure can control the temperature of the belt pulley, maintain the stability of the belt tension, and ensure the efficient transmission.

[0003] As shown in the prior art with publication number CN221145217U, although the prior art can change the width of the belt groove by rotating two rotating plates simultaneously, the two rotating plates drive two threaded rods to rotate, the two threaded rods in turn make two sliders move in the shell, and the two sliders in turn drive the adjusting ring to move on the belt groove through two connecting rods, so that the belt groove can adapt to belts of different widths. However, the steps of adjusting the ring in the prior art are relatively complicated, and the threaded rods need to be operated synchronously with both hands, while the two rings need to be operated multiple times, which will affect the adjustment efficiency. SUMMARY

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a belt pulley and its heat dissipation structure, by the threaded connection of moving ring and threaded ring, the rotation of threaded ring can drive the moving ring, connecting plate and limiting ring positioned by positioning column to displace forward and backward, thereby achieving the effect of adjusting the distance between the two limiting rings, so as to facilitate adjustment according to different belt widths, improve the operation convenience and adjustment efficiency of the utility model, to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a belt pulley, comprising a wheel body;

[0006] The wheel body is provided with an adjusting member outside for limiting adjustment according to different belt widths;

[0007] The adjusting member comprises a threaded ring, and the threads on the outer part of the front and rear ends of the threaded ring are opposite in direction, the threaded ring is threadedly connected with a moving ring on the outer part of the front and rear ends, the moving ring is externally sleeved with a limiting ring, and a plurality of connecting plates for connecting the limiting ring are installed on the outer part of the moving ring.

[0008] In a preferred embodiment, positioning columns are arranged between the two corresponding connecting plates, and the two connecting plates are respectively sleeved on the outer sides of the two ends of the positioning columns.

[0009] In a preferred embodiment, the wheel body comprises an outer wheel sleeved on the outer side of the inner wheel, and a support is arranged on the outer side of one end of the inner wheel for supporting the outer wheel.

[0010] The support comprises a plurality of support plates arranged on the outer side of one end of the inner wheel, and one end of the support plates away from the inner wheel is fixed to the inner side of the outer wheel, the support plates correspond to the positions of the connecting plates, and one end of the positioning column close to the connecting plate is fixed to the support plate, the threaded ring is movably sleeved on the outer side of the inner wheel through the bearing, and the limiting ring is sleeved on the outer side of the outer wheel.

[0011] In a preferred embodiment, a positioning hole is arranged on one side of the connecting plate corresponding to one end of the outer wheel, and the connecting plate is arranged in the positioning hole.

[0012] The utility model also includes a kind of heat dissipation structure, including two groups of heat dissipation pieces for directional guiding air circulation, and two groups of heat dissipation pieces are respectively installed in the outer side of the two ends of outer wheel;

[0013] Each group of heat dissipation pieces comprises a plurality of fixed plates, and the plurality of fixed plates are arranged in annular array on the outer side of one end of the outer wheel, and each fixed plate is provided with an air guide frame with L-shaped cross section on the side away from the outer wheel, the air guide frame is provided with an inner air inlet on the side close to the outer wheel, and the air guide frame is provided with an outer air inlet on the side away from the outer wheel.

[0014] In a preferred embodiment, a heat conduction plate is arranged between two adjacent positioning columns, and the heat conduction plate is arranged on the inner side wall of the outer wheel, and a plurality of heat dissipation strips are arranged on the side of the heat conduction plate away from the outer wheel.

[0015] The technical effects and advantages of the utility model are as follows:

[0016] 1. The threaded connection of the moving ring and the threaded ring enables the rotation of the threaded ring to drive the moving ring, the connecting plate and the limiting ring to move forward and backward, thereby adjusting the distance between the two limiting rings, and facilitating the adjustment according to different belt widths, improving the operation convenience and adjustment efficiency of the utility model.

[0017] 2. The connection of the air guide frame and the outer wheel enables the air guide frame to guide the air to flow from the outer air inlet to the inner air inlet when the outer wheel rotates and drives the air guide frame to rotate, and then the air is transported to the outside of the belt through the inner air inlet, so that the air can be directed to the belt, thereby improving the heat dissipation efficiency of the belt. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1The whole structure schematic view of the utility model;

[0019] Figure 2 The outer wheel sectional view of the utility model;

[0020] Figure 3 The screw ring front view of the utility model;

[0021] Figure 4 The inner wheel front view of the utility model;

[0022] Figure 5 The air guide frame front view of the utility model.

[0023] The figure mark is: 1, wheel body;101, inner wheel;102, outer wheel;103, support plate;

[0024] 2, screw ring;3, moving ring;4, limit ring;5, connecting plate;6, positioning column;7, positioning hole;8, fixed plate;9, air guide frame;10, inner air port;11, outer air port;12, heat conduction plate;13, heat dissipation strip. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0026] Refer to the description attached Figures 1-5 The utility model provides a belt pulley, including wheel body 1;

[0027] The wheel body 1 includes the outer wheel 102 of the sleeve setting in the inner wheel 101 outside, and the inner wheel 101 both ends outside are installed with the support piece for supporting the outer wheel 102, the support piece includes the multiple support plates 103 of installing in the inner wheel 101 one end outside, and the support plate 103 is away from the inner wheel 101 with the inner side of outer wheel 102 fixed together, the position of support plate 103 and connecting plate 5 correspond before and after, and the one end of positioning column 6 close to connecting plate 5 is fixed together with support plate 103, the screw ring 2 is set in the inner wheel 101 outside through bearing, the limit ring 4 is set in the outer wheel 102 outside.

[0028] In use, the inner wheel 101 and the outer wheel 102 are assembled and fixed together through the plurality of support plates 103 on the two groups of support members, so that the connection stability of the inner wheel 101 and the outer wheel 102 can be enhanced, and the positioning column 6 is supported by the support plates 103, so that the stability and support strength of the positioning column 6 are enhanced, and then the belt pulley is assembled through the outer wheel 102, and the inner wheel 101 is connected with the driving device.

[0029] As shown in Figures 1-3 The wheel body 1 is externally provided with an adjusting member for limiting adjustment according to different belt widths; the adjusting member comprises a threaded ring 2, the threads on the outer portions of the front and rear ends of the threaded ring 2 are opposite in screw direction, the outer portions of the front and rear ends of the threaded ring 2 are threadedly connected with moving rings 3, the outer portion of each moving ring 3 is externally sleeved with a limiting ring 4, a plurality of connecting plates 5 for connecting the limiting rings 4 are mounted on the outer portion of each moving ring 3, a positioning column 6 is arranged between the corresponding two connecting plates 5 at the front and rear, the two connecting plates 5 are respectively sleeved on the outer portions of the front and rear ends of the positioning column 6, a positioning hole 7 is formed in one side of each connecting plate 5 at the front and rear of the outer wheel 102, and the connecting plate 5 is arranged in the positioning hole 7.

[0030] In use, the staff inserts hands between the inner wheel 101 and the outer wheel 102 and makes the hands contact the threaded ring 2 on the inner wheel 101, wherein, due to the sliding connection between the connecting plate 5 and the positioning column 6, the positioning column 6 can limit the connecting plate 5, the moving ring 3 and the limiting ring 4, so that when the staff rotates the threaded ring 2, the two moving rings 3 on the threaded ring 2 can drive the limiting ring 4 to move synchronously inward or outward, achieving the effect of adjusting the distance between the two limiting rings 4, so as to facilitate adjustment according to different belt widths, improving the practicability and operability of the utility model.

[0031] Referring to the drawings of the specification, Figure 1 , 2 and 5, the utility model provides a heat dissipation structure, including two groups of heat dissipation members for directional guiding air circulation, and two groups of heat dissipation members are installed at the outer portions of the front and rear of the outer wheel 102 respectively;

[0032] Each group of heat dissipation members comprises a plurality of fixed plates 8, and the plurality of fixed plates 8 are arranged in an annular array at one end of the outer wheel 102, and each fixed plate 8 is installed with an air guide frame 9 with an L-shaped cross section on the side away from the outer wheel 102, and the air guide frame 9 is provided with an inner air inlet 10 on the side close to the outer wheel 102, and the air guide frame 9 is provided with an outer air inlet 11 on the side away from the outer wheel 102.

[0033] In use, the air guide frame 9 is fixed to the outside of the outer wheel 102 by the fixing plate 8, so that in the rotation process of the outer wheel 102, the air guide frame 9 can guide the air to the inner air inlet 10 through the outer air inlet 11, and then the air is transported to the outside of the belt through the inner air inlet 10. In this way, the air can be directed to the belt, thereby improving the heat dissipation efficiency of the belt and avoiding the overheating of the belt in the transmission process, thereby affecting the transmission performance.

[0034] At the same time, in order to reduce the heat influence of the outer wheel 102 on the belt, it is necessary to improve the heat dissipation effect of the outer wheel 102, such as Figure 1 、 2 and 4, a heat conduction plate 12 is arranged between the two adjacent positioning columns 6, the heat conduction plate 12 is installed on the inner side wall of the outer wheel 102, and a plurality of heat dissipation strips 13 are arranged on the side of the heat conduction plate 12 away from the outer wheel 102.

[0035] In use, the heat conduction plate 12 is in contact with the inner side wall of the outer wheel 102, so that when the outer wheel 102 is in frictional contact with the pulley and generates heat, the outer wheel 102 can guide the heat out through the heat conduction plate 12, and then the heat is discharged through the heat dissipation strips 13, thereby achieving the effect of heat dissipation and cooling.

[0036] Finally, the above-mentioned is only the preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pulley characterized by: The wheel body (1) is provided with an adjusting part outside for limiting adjustment according to different belt widths. The adjusting part comprises a threaded ring (2), and the threads on the outer surfaces of the front and rear ends of the threaded ring (2) are opposite in screw direction, the outer surfaces of the front and rear ends of the threaded ring (2) are threadedly connected with moving rings (3), the outer surfaces of the moving rings (3) are provided with limiting rings (4), and the outer surfaces of the moving rings (3) are provided with a plurality of connecting plates (5) for connecting the limiting rings (4). Positioning columns (6) are arranged between the two connecting plates (5) corresponding in front and back, and the two connecting plates (5) are arranged on the outer surfaces of the front and rear ends of the positioning columns (6).

2. A pulley as claimed in claim 1, wherein: The wheel body (1) comprises an outer wheel (102) arranged on the outer surface of an inner wheel (101), and the outer surfaces of the front and rear ends of the inner wheel (101) are provided with supporting parts for supporting the outer wheel (102).

3. A pulley as claimed in claim 2, wherein: The supporting parts comprise a plurality of supporting plates (103) arranged on one end of the inner wheel (101), and the ends of the supporting plates (103) away from the inner wheel (101) are fixed to the inner side of the outer wheel (102), the positions of the supporting plates (103) and the connecting plates (5) correspond in front and back, one end of the positioning column (6) close to the connecting plate (5) is fixed to the supporting plate (103), the threaded ring (2) is movably arranged on the outer surface of the inner wheel (101) through a bearing, and the limiting ring (4) is arranged on the outer surface of the outer wheel (102). The outer surfaces of the front and rear ends of the outer wheel (102) corresponding to the connecting plates (5) are provided with positioning holes (7), and the connecting plates (5) are arranged in the positioning holes (7).

4. A pulley as claimed in claim 3, wherein: Each set of heat dissipation parts comprises a plurality of fixed plates (8) arranged in an annular array on one end of the outer wheel (102), one side of each fixed plate (8) away from the outer wheel (102) is provided with an air guide frame (9) with an L-shaped cross section, one side of the air guide frame (9) close to the outer wheel (102) is provided with an inner air inlet (10), and one side of the air guide frame (9) away from the outer wheel (102) is provided with an outer air inlet (11).

5. A heat dissipating structure mounted on the pulley according to claim 4, characterized by: Heat conducting plates (12) are arranged between adjacent two positioning columns (6), the heat conducting plates (12) are arranged on the inner side wall of the outer wheel (102), and a plurality of heat dissipation strips (13) are arranged on one side of the heat conducting plates (12) away from the outer wheel (102). ​ 6. The heat dissipation structure according to claim 5, characterized in that: ​

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