Powder metallurgy belt pulley with heat insulation structure

Abstract

The powder metallurgy belt pulley with the heat insulation structure comprises a heat insulation cover, a belt pulley body, fan blades and a rotating shaft, the belt pulley body is movably arranged in the heat insulation cover, and the belt pulley body is fixedly connected to the shaft wall of the end, movably penetrating through the heat insulation cover, of the rotating shaft in a sleeved mode. The fan blades are fixedly connected to the end, penetrating through the belt wheel body, of the rotating shaft. A heat insulation groove is formed in the side, away from the fan blades, of the heat insulation cover, and a cover plate is arranged at the end, provided with the heat insulation groove, of the heat insulation cover. The belt pulley body is arranged in the heat insulation cover with the vacuum heat insulation groove, external heat is effectively prevented from being transmitted to the belt pulley body, the fan blades connected to the rotating shaft can rotate in the heat conduction sleeve, and therefore air circulation in the heat insulation cover is accelerated, and the heat insulation effect is improved. And the heat dissipation effect of the belt pulley body is improved.

Description

Technical Field

[0001] This utility model relates to the field of belt pulley technology, specifically to a powder metallurgy belt pulley with a heat insulation structure. Background Technology

[0002] Powder metallurgy pulleys are pulleys made by pressing metal powder with binder and then sintering it. This type of pulley is generally used in belt drive systems.

[0003] However, most existing powder metallurgy pulleys have a simple structure and do not have heat insulation effect, which causes the powder metallurgy pulleys to heat up during use and affects their service life. Utility Model Content

[0004] The purpose of this utility model is to provide a powder metallurgy pulley with a heat insulation structure to solve the technical problem that the existing powder metallurgy pulleys have a simple structure and lack heat insulation, which affects their service life.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a powder metallurgy pulley with a heat insulation structure, comprising a heat insulation cover, a pulley body, a fan blade, and a rotating shaft. The pulley body is movably disposed inside the heat insulation cover, the pulley body is fixedly sleeved on the shaft wall at one end of the rotating shaft that movably passes through the heat insulation cover, and the fan blade is fixedly connected to one end of the rotating shaft that passes through the pulley body.

[0006] The heat insulation cover has a heat insulation groove on the side away from the fan blades, and a cover plate is provided at the end of the heat insulation cover where the heat insulation groove is located.

[0007] As a preferred embodiment of this utility model, a number of second bolts are inserted at equal intervals on the inner wall of the heat insulation cover.

[0008] As a preferred embodiment of this utility model, an outer cover ring is provided on the side of the heat insulation cover away from the cover plate, and a heat-conducting sleeve is fixedly connected to the outer cover ring, with the fan blades disposed inside the heat-conducting sleeve.

[0009] As a preferred embodiment of this utility model, a number of first bolts are equally spaced on the side of the outer cover ring away from the heat insulation cover, and the first bolts pass through one end of the outer cover ring and are threadedly connected to the heat insulation cover.

[0010] Compared with the prior art, the advantages of the powder metallurgy pulley with heat insulation structure of this utility model are: This utility model is easy to use. By setting the pulley body inside the heat insulation cover with a vacuum heat insulation groove, it can effectively prevent external heat from being transferred to the pulley body. Furthermore, the fan blades connected to the rotating shaft can rotate inside the heat-conducting sleeve, thereby accelerating the air circulation inside the heat insulation cover and improving the heat dissipation effect of the pulley body. Attached Figure Description

[0011] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only examples of embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a schematic diagram of the structure of an embodiment of the present utility model. Figure 1 ;

[0013] Figure 2 This is a schematic diagram of the disassembled structure of an embodiment of the present utility model;

[0014] Figure 3 This is a schematic diagram of the structure of an embodiment of the present utility model. Figure 2 ;

[0015] Figure 4 This is a cross-sectional structural diagram of an embodiment of the present utility model.

[0016] Reference numerals in the attached drawings: 1. Heat insulation cover; 2. Pulley body; 3. Heat dissipation groove; 4. Fan blade; 5. Outer cover ring; 6. Heat-conducting sleeve; 7. First bolt; 8. Second bolt; 9. Heat insulation groove; 10. Cover plate; 11. Rotating shaft. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0018] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of 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, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention.

[0019] In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation", "connection" and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, an integral connection, or a detachable connection; they can refer to the internal connection of two components; they can refer to a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present invention can be understood according to the specific circumstances.

[0020] See Figure 1-4 As shown, an embodiment of the present invention provides a powder metallurgy pulley with a heat insulation structure, including a heat insulation cover 1, a pulley body 2, a fan blade 4, and a rotating shaft 11. The pulley body 2 is movably disposed inside the heat insulation cover 1. The pulley body 2 is fixedly sleeved on the shaft wall of the rotating shaft 11 that movably passes through one end of the heat insulation cover 1, and the fan blade 4 is fixedly connected to one end of the rotating shaft 11 that passes through the pulley body 2.

[0021] A heat insulation groove 9 is provided on the side of the heat insulation cover 1 away from the fan blade 4, and a cover plate 10 is provided at the end of the heat insulation cover 1 where the heat insulation groove 9 is provided.

[0022] Several second bolts 8 are inserted at equal intervals on the inner wall of the heat insulation cover 1. After the second bolts 8 pass through the heat insulation cover 1 and the cover plate 10 in sequence, the heat insulation cover 1 can be connected and installed.

[0023] An outer cover ring 5 is provided on the side of the heat insulation cover 1 away from the cover plate 10. A heat-conducting sleeve 6 is fixedly connected to the outer cover ring 5, and the fan blade 4 is located inside the heat-conducting sleeve 6. The outer cover ring 5 can prevent the pulley body 2 from detaching, and the arrangement of the heat-conducting sleeve 6 and the outer cover ring 5 can enable the fan blade 4 to better dissipate the heat inside the heat insulation cover 1. Several first bolts 7 are evenly spaced on the side of the outer cover ring 5 away from the heat insulation cover 1. The first bolts 7 pass through one end of the outer cover ring 5 and are threaded to the heat insulation cover 1. The first bolts 7 can connect the outer cover ring 5 to the heat insulation cover 1, which facilitates the disassembly and assembly of the outer cover ring 5.

[0024] When using this embodiment of the utility model, the heat insulation cover 1 is installed by the second bolt 8, and its rotating shaft 11 is connected to the output end of the external drive motor. When the rotating shaft 11 rotates, it can drive the pulley body 2 and the fan blade 4 to rotate synchronously. When the fan blade 4 rotates inside the heat-conducting sleeve 6, it can accelerate the air circulation inside the heat insulation cover 1. When the air passes through the heat dissipation groove 3 on the pulley body 2, it can carry away the heat, thereby improving the heat dissipation effect of the pulley body 2. Furthermore, the pulley body 2 is set inside the heat insulation cover 1 with the vacuum heat insulation groove 9, which can effectively prevent the external heat from being transferred to the pulley body 2, and can effectively improve the service life of the pulley.

[0025] The above description illustrates the basic principles of the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The above embodiments and descriptions in the specification are only for illustrating the principles of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention without departing from the scope of the present invention should be included within the protection scope of the present invention.

Claims

1. A powder metallurgy pulley with a heat shield structure, comprising a heat shield cover (1), a pulley body (2), a fan blade (4) and a rotating shaft (11), characterized in that: The pulley body (2) is movably arranged inside the heat shield (1), the pulley body (2) is fixedly sleeved on the shaft wall of the rotating shaft (11) movably penetrating one end of the heat shield (1), and the fan blade (4) is fixedly connected to the end of the rotating shaft (11) penetrating the pulley body (2). The heat shield (1) is provided with a heat insulation groove (9) on the side away from the fan blade (4), and the heat shield (1) is provided with a cover plate (10) on the end provided with the heat insulation groove (9).

2. The powder metallurgy pulley with a thermal barrier structure according to claim 1, characterized in that: The inner wall of the heat shield (1) is inserted with a plurality of second bolts (8) at equal intervals.

3. The powder metallurgy pulley with a thermal barrier structure according to claim 1, characterized in that: The heat shield (1) is provided with an outer cover ring (5) on the side away from the cover plate (10), the outer cover ring (5) is fixedly connected with a heat conduction sleeve (6), and the fan blade (4) is arranged inside the heat conduction sleeve (6).

4. The powder metallurgy pulley with a thermal barrier structure according to claim 3, characterized in that: A plurality of first bolts (7) are arranged on the side of the outer cover ring (5) away from the heat shield (1) at equal intervals, and the first bolts (7) are threadedly connected to the heat shield (1) through one end of the outer cover ring (5).

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