Cooling structure of air compressor
By introducing a combination structure of heat dissipation holes, a semiconductor cooling plate, and a reflux assembly into the air compressor, the problem of poor heat dissipation of the air compressor is solved, multi-level heat dissipation is achieved, and the heat dissipation efficiency and service life of the equipment are improved.
Patent Information
- Application Number
- CN202520313472.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-02-26
AI Technical Summary
Existing air compressors have poor heat dissipation, causing them to operate at high temperatures and reducing their lifespan.
The system employs a combination of heat dissipation holes, a semiconductor cooling plate, a fan assembly, and a recirculation assembly within the frame. It achieves multi-level heat dissipation by initially dissipating heat through airflow, further dissipating heat by generating cold air from the semiconductor cooling plate, and then recooling the air again through the recirculation assembly before it enters the frame.
It significantly improves the heat dissipation of the air compressor, extends its service life, and reduces the amount of cold air diffusion.
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Figure CN223908350U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to air compressor technical field more specifically, relate to a kind of cooling structure of air compressor. BACKGROUND
[0002] Air compressor is a kind of equipment to compress gas, air compressor is similar to water pump structure, most air compressors are reciprocating piston, rotating vane or rotating screw, centrifugal compressor is very large application program, air compressor generates excessive heat when long time use, the heat dissipation effect of air compressor is poor and can reduce its service life, so it needs to use heat dissipation device to air compressor heat dissipation.
[0003] Some air compressors of prior art are cooled and radiated by single air cooling, and the heat dissipation effect is poor, and the service life of air compressor will be reduced when it is operated in high temperature for a long time. Therefore, in order to solve the above problems, we propose a kind of cooling structure of air compressor. UTILITY MODEL CONTENT
[0004] In order to solve the above problems, the utility model provides a kind of cooling structure of air compressor, adopt following technical scheme:
[0005] A kind of cooling structure of air compressor, including frame, compressor body is equipped in frame, multiple rectangular array distribution heat dissipation holes are set in the both sides of frame, assembly hole is set in the both sides of frame, the top of frame is equipped with sealing plate, and first bolt is fixed between sealing plate and frame;
[0006] Two installation holes are set in the both sides of frame, filter screen and mounting frame are respectively arranged in two installation holes, heat dissipation frame is slidably installed in mounting frame, fixed assembly is arranged between heat dissipation frame and mounting frame, air blowing assembly is arranged in heat dissipation frame, two groups of first semiconductor refrigeration plate are arranged in frame and are symmetrically distributed, the opposite end of two groups of first semiconductor refrigeration plate is all penetrated through frame, and backflow assembly is arranged between sealing plate and frame.
[0007] By adopting the above technical scheme, when the device is used, the staff places the compressor body in the frame body, then places the sealing plate on the top of the frame body and fixes it through the first bolt, the both sides of the frame body are provided with mounting holes, the two mounting holes are respectively provided with a filter screen and a mounting frame, the staff slides the heat dissipation frame into the mounting frame, the mounting frame and the heat dissipation frame are provided with a fixing assembly therebetween, which plays a role in fixing the heat dissipation frame, the heat dissipation frame is provided with a wind blowing assembly, wind power is generated through the wind blowing assembly, the wind power acts on the compressor body, which can play a role in preliminary heat dissipation, and the frame body is provided with a first semiconductor refrigeration plate, the refrigeration end of the first semiconductor refrigeration plate is located in the frame body, and the heating end is located outside the frame body, cold air is generated in the frame body through the first semiconductor refrigeration plate, which plays a role in further heat dissipation for the compressor body, and the cold air is blown on the surface of the compressor body through the wind power, which is beneficial to improve the heat dissipation effect of the compressor body, part of the cold air and heat is discharged through the heat dissipation holes formed in the side wall of the frame body, and the remaining heat and cold air is returned to the frame body after being cooled again through the return assembly, which plays a role in further heat dissipation, which is not only beneficial to improve the heat dissipation effect of the device, but also beneficial to improve the utilization rate of part of the cold air.
[0008] As a further optimization, the fixing assembly comprises a mounting block fixedly installed at the top end of the mounting frame, the heat dissipation frame is fixedly installed with a clamping block at the top end, the side wall of the mounting frame is provided with a clamping groove matched with the clamping block, the top end of the mounting frame is provided with a moving groove matched with the clamping block, the side wall of the clamping groove is provided with a movable slot, the movable slot is slidably installed with a fixing block, the side wall of the clamping block is provided with a fixing slot matched with the fixing block, the fixing block is fixedly connected with a spring between the side wall opposite to the clamping block, the side wall of the fixing block away from the frame body is fixedly installed with a pulling rod, and the side wall of the pulling rod away from the fixing block slidably penetrates the mounting block.
[0009] By adopting the above technical scheme, the staff places the heat dissipation frame in the mounting frame, and then the clamping block installed at the top end of the heat dissipation frame is clamped with the clamping groove formed in the side wall of the mounting block, and when the clamping block moves into the clamping groove, the clamping block pushes the fixing block to slide into the movable slot, the fixing block pushes the spring to contract, and when the clamping block and the clamping groove are clamped, the fixing block returns to the original position under the elastic force of the spring, and the fixing block is clamped with the fixing slot formed in the side wall of the clamping block, which can play a role in fixing the clamping block, and then play a role in fixing the heat dissipation frame, when the heat dissipation frame needs to be disassembled, the fixing block is pulled into the movable slot through the pulling rod, and then the fixing block is disengaged from the clamping with the fixing slot formed in the side wall of the clamping block, and then the heat dissipation frame can be pulled out from the mounting frame.
[0010] As a further optimization, the top and bottom of the end of the fixing block close to the spring are fixedly installed with sliding blocks, and the top end inner wall and the bottom end inner wall of the movable slot are provided with sliding grooves matched with the sliding blocks on the same side.
[0011] By adopting the technical scheme, when the fixed block slides in the movable groove, the fixed block slides in the same side sliding groove with the sliding block, the cooperation of the sliding block and the sliding groove is beneficial to keeping the stability of the sliding of the fixed block, and helps to avoid the fixed block from separating from the movable groove.
[0012] As a further optimization, the side wall of the heat dissipation frame is provided with a rubber sleeve, and the top end and the bottom end of the heat dissipation frame are fixedly installed with positioning blocks, and the inner wall of the mounting frame is provided with a positioning groove matched with the same side positioning block.
[0013] By adopting the technical scheme, the side wall of the heat dissipation frame is provided with a rubber sleeve, which is beneficial to increase the sealing of the clamping between the heat dissipation frame and the mounting frame, and when the heat dissipation frame is placed in the mounting frame, the positioning block installed on the side wall of the heat dissipation frame is clamped with the positioning groove opened on the side wall of the mounting frame, and the clamping of the positioning block and the positioning groove is beneficial to keep the accuracy of the clamping of the heat dissipation frame and the mounting frame.
[0014] As a further optimization, the wind blowing assembly includes an installation plate fixedly installed in the heat dissipation frame, the installation plate is provided with a speed reducer motor on one side, the speed reducer motor output shaft side wall is fixedly provided with a fan blade, the heat dissipation frame is provided with a plurality of rectangular array distributed air inlet holes on the side away from the frame body, and the heat dissipation frame is fixedly installed with a frame on the side away from the frame body, the frame is slidably installed with dustproof cotton, the dustproof cotton is fixedly installed with a limiting block on both sides, and the inner wall of the frame is provided with a limiting groove matched with the same side limiting block.
[0015] By adopting the technical scheme, the fan blade is driven to rotate by the speed reducer motor to generate wind power, the external cold air enters the heat dissipation frame through the air inlet hole, and then the wind power acts on the surface of the compressor body, so that the heat dissipation effect is achieved, the dustproof cotton is arranged on the outside of the heat dissipation frame to filter the dust in the air, so that the dustproof effect is achieved, and the dustproof cotton is clamped and fixed with the limiting groove opened on the inner wall of the frame through the limiting block, which is convenient for subsequent disassembly and cleaning of the staff, and is beneficial to keep the dustproof effect of the equipment.
[0016] As a further optimization, the backflow assembly includes a wind collecting hopper arranged on the side of the frame body away from the mounting frame, two symmetrical support plates are fixedly installed on both sides of the wind collecting hopper, the support plates and the frame body are fixed by second bolts, the wind collecting hopper is provided with a second semiconductor refrigeration plate, one end of the second semiconductor refrigeration plate penetrates the wind collecting hopper, the top end of the sealing plate is provided with a branch pipe, and the branch pipe and the wind collecting hopper are connected by a connecting pipe.
[0017] By adopting the technical scheme, part of the cold air and heat is discharged through the heat dissipation hole to achieve the effect of heat dissipation, part of the cold air and heat enters the wind collecting hopper, the wind collecting hopper is provided with a second semiconductor refrigeration plate, the cold air generated by the second semiconductor refrigeration plate is used to cool the heat, and the cooled gas enters the frame body through the connecting pipe to achieve the effect of further heat dissipation, which not only helps to improve the heat dissipation effect of the equipment, but also reduces the diffusion amount of the cold air.
[0018] As a further optimization, the bottom end of the sealing plate is provided with four symmetrically distributed plug blocks, and the top end of the frame body is provided with plug slots matched with the plug blocks.
[0019] By adopting the above technical scheme, the bottom of the sealing plate is provided with the plug blocks, and the plug blocks are clamped with the plug slots provided at the top of the frame body, so that the precision of the sealing plate and the frame body is improved.
[0020] Compared with the prior art, the utility model has the following beneficial technical effects:
[0021] 1. The wind blowing assembly operates to generate wind force on the compressor body, plays a role of preliminary heat dissipation, and the first semiconductor refrigeration plate is arranged in the frame body, cold air is generated through the first semiconductor refrigeration plate, and then the compressor body is blown by the wind, so that the heat dissipation effect of the equipment is improved.
[0022] 2. Part of the cold air and heat is discharged through the heat dissipation holes, the effect of heat dissipation is achieved, part of the cold air and heat enters the reflux assembly, the second semiconductor refrigeration plate is arranged in the reflux assembly, the cold air generated by the second semiconductor refrigeration plate is used for cooling heat, and the cooled gas enters the frame body through the connecting pipe, so that the effect of further heat dissipation is achieved, the heat dissipation effect of the equipment is improved, and the diffusion amount of the cold air is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is a first perspective structural schematic view of the utility model;
[0024] Figure 2 It is a second perspective structural schematic view of the utility model;
[0025] Figure 3 It is a sectional view of the utility model;
[0026] Figure 4 It is a sectional view of the mounting block of the utility model;
[0027] Figure 5 It is Figure 4 It is an enlarged view of A in the middle;
[0028] Figure 6 It is an expanded view of part of the structure of the utility model.
[0029] Explanation of reference numerals in the drawing:
[0030] 1, frame; 2, first semiconductor refrigeration plate; 3, sealing plate; 4, branch pipe; 5, connecting pipe; 6, second semiconductor refrigeration plate; 7, air collecting funnel; 8, support plate; 9, mounting frame; 10, heat dissipation frame; 11, frame; 12, dustproof cotton; 13, mounting block; 14, compressor body; 15, speed reducer motor; 16, mounting plate; 17, fan blade; 18, clamping block; 19, movable groove; 20, spring; 21, fixed block; 22, positioning block; 23, plug-in block; 24, clamping groove. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0032] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0033] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.
[0034] As Figures 1 to 6As shown, a cooling structure of an air compressor, comprising a frame body 1, the frame body 1 is provided with a compressor body 14, a plurality of rectangular array distribution of heat dissipation holes are arranged on both sides of the frame body 1, and assembly holes are arranged on both sides of the frame body 1, the frame body 1 is provided with an end plate 3, the end plate 3 and the frame body 1 are fixed by first bolts, the end plate 3 is provided with four symmetrically distributed insertion blocks 23 at the bottom end, and the frame body 1 is provided with insertion grooves matched with the insertion blocks 23 at the top end, when the equipment is used, the staff places the compressor body 14 in the frame body 1, then places the end plate 3 on the top of the frame body 1 and fixes it by the first bolts, and the end plate 3 is clamped by the insertion blocks 23 and the insertion grooves arranged at the top of the frame body 1, which is beneficial to improve the accuracy of the end plate 3 and the frame body 1.
[0035] The frame body 1 is provided with mounting holes on both sides, and the mounting holes are respectively provided with filter screens and mounting frames 9, the mounting frame 9 is slidably installed with a heat dissipation frame 10, and the heat dissipation frame 10 and the mounting frame 9 are provided with a fixing assembly, the fixing assembly comprises a mounting block 13 fixedly installed at the top end of the mounting frame 9, the heat dissipation frame 10 is fixedly installed with a clamping block 18 at the top end, the side wall of the mounting frame 9 is provided with a clamping groove 24 matched with the clamping block 18, the top end of the mounting frame 9 is provided with a moving groove matched with the clamping block 18, the side wall of the clamping groove 24 is provided with a movable groove 19, the movable groove 19 is slidably installed with a fixing block 21, the clamping block 18 is provided with a fixing groove matched with the fixing block 21 on one side, the spring 20 is fixedly connected between the side wall of the movable groove 19 opposite to the fixing block 21 and the side wall of the clamping block 18 away from the frame body 1, the fixing block 21 is fixedly installed with a push rod away from the frame body 1, and the push rod is slidably penetrated through the mounting block 13 away from the fixing block 21.
[0036] The staff places the heat dissipation frame 10 in the mounting frame 9, so that the clamping block 18 installed at the top end of the heat dissipation frame 10 is clamped with the clamping groove 24 arranged on the side wall of the mounting block 13, and when the clamping block 18 moves into the clamping groove 24, the clamping block 18 pushes the fixing block 21 to slide into the movable groove 19, the fixing block 21 pushes the spring 20 to contract, and when the clamping block 18 and the clamping groove 24 are clamped, the fixing block 21 restores to the original position under the elastic force of the spring 20, and the fixing block 21 is clamped with the fixing groove arranged on the side wall of the clamping block 18, so as to play a role in fixing the clamping block 18, and then play a role in fixing the heat dissipation frame 10, when it is necessary to disassemble the heat dissipation frame 10, only need to pull the fixing block 21 to slide into the movable groove 19 through the push rod, so that the fixing block 21 and the fixing groove arranged on the side wall of the clamping block 18 are disengaged, and then the heat dissipation frame 10 can be taken out from the mounting frame 9.
[0037] The fixed block 21 is fixedly installed with a sliding block at the top and the bottom near one end of the spring 20, and the inner wall of the top end and the inner wall of the bottom end of the movable slot 19 are provided with a sliding groove matched with the sliding block on the same side. When the fixed block 21 is located in the movable slot 19 and slides, the fixed block 21 with the sliding block is located in the sliding groove on the same side and slides. Through the cooperation of the sliding block and the sliding groove, the stability of the sliding of the fixed block 21 is maintained, and the fixed block 21 is prevented from being separated from the movable slot 19.
[0038] The side wall of the heat dissipation frame 10 is fixedly provided with a rubber sleeve, the top end and the bottom end of the heat dissipation frame 10 are fixedly installed with a positioning block 22, and the inner wall of the installation frame 9 is provided with a positioning groove matched with the positioning block 22 on the same side. The side wall of the heat dissipation frame 10 is provided with a rubber sleeve, which is conducive to increasing the sealing performance of the clamping between the heat dissipation frame 10 and the installation frame 9. When the heat dissipation frame 10 is placed in the installation frame 9, the positioning block 22 installed on the side wall of the heat dissipation frame 10 is clamped with the positioning groove provided on the side wall of the installation frame 9. Through the clamping of the positioning block 22 and the positioning groove, the accuracy of the clamping of the heat dissipation frame 10 and the installation frame 9 is maintained.
[0039] The heat dissipation frame 10 is provided with a wind blowing assembly, which comprises an installation plate 16 fixedly installed in the heat dissipation frame 10. One side of the installation plate 16 is provided with a speed reducer 15, the side wall of the output shaft of the speed reducer 15 is fixedly provided with a fan blade 17, the side of the heat dissipation frame 10 away from the frame body 1 is provided with a plurality of rectangular array distributed air inlet holes, the side of the heat dissipation frame 10 away from the frame body 1 is fixedly installed with a frame 11, the frame 11 is slidably installed with dustproof cotton 12, the dustproof cotton 12 is fixedly installed with a limiting block on both sides, and the inner wall of the frame 11 is provided with a limiting groove matched with the limiting block on the same side. The fan blade 17 is driven to rotate by the speed reducer 15 to generate wind power. The external cold air enters the heat dissipation frame 10 through the air inlet hole, and then the wind power acts on the surface of the compressor body 14, so as to play a role in heat dissipation. The frame 1 is provided with a first semiconductor refrigeration plate 2, the refrigeration end of the first semiconductor refrigeration plate 2 is located in the frame 1, and the heating end is located outside the frame 1. The first semiconductor refrigeration plate 2 generates cold air in the frame 1, so as to further dissipate heat for the compressor body 14. The outer side of the heat dissipation frame 10 is provided with dustproof cotton 12, which plays a role in filtering dust in the air, so as to achieve the effect of dust prevention. The dustproof cotton 12 is clamped and fixed with the limiting groove provided in the inner wall of the frame 11 through the limiting block, which is convenient for subsequent disassembly and cleaning of the staff, and is conducive to maintaining the dustproof effect of the equipment.
[0040] Two groups of first semiconductor refrigerating plates 2 are arranged in the frame 1 in a symmetrical manner, the opposite ends of the two groups of first semiconductor refrigerating plates 2 are penetrated through the frame 1, a reflux assembly is arranged between the sealing plate 3 and the frame 1, the reflux assembly comprises a wind collecting funnel 7 arranged on the side of the frame 1 away from the mounting frame 9, two symmetrical supporting plates 8 are fixedly arranged on the two sides of the wind collecting funnel 7, the supporting plates 8 and the frame 1 are fixed through the second bolts, the second semiconductor refrigerating plate 6 is arranged in the wind collecting funnel 7, one end of the second semiconductor refrigerating plate 6 is penetrated through the wind collecting funnel 7, the branch pipe 4 is arranged at the top of the sealing plate 3, the connecting pipe 5 is connected between the branch pipe 4 and the wind collecting funnel 7, part of the cold air and heat is discharged through the heat dissipation holes, the heat dissipation effect is achieved, part of the cold air and heat enters the wind collecting funnel 7, the second semiconductor refrigerating plate 6 is arranged in the wind collecting funnel 7, the cold air generated by the second semiconductor refrigerating plate 6 is used for cooling the heat, the cooled gas enters the frame 1 through the connecting pipe 5, the further heat dissipation effect is achieved, the heat dissipation effect of the equipment is improved, and the diffusion amount of the cold air is reduced.
[0041] The working personnel places the compressor body 14 in the frame 1, then fixes the sealing plate 3 on the top of the frame 1 through the first bolts, mounting holes are arranged on the two sides of the frame 1, the filter screen and the mounting frame 9 are arranged in the two mounting holes respectively, the working personnel slides the heat dissipation frame 10 in the mounting frame 9, the fixing assembly is arranged between the mounting frame 9 and the heat dissipation frame 10, the heat dissipation frame 10 is fixed, the wind blowing assembly is arranged in the heat dissipation frame 10, the wind force is generated through the wind blowing assembly, the wind force acts on the compressor body 14, the preliminary heat dissipation effect is achieved, the first semiconductor refrigerating plate 2 is arranged in the frame 1, the refrigeration end of the first semiconductor refrigerating plate 2 is located in the frame 1, the heating end is located outside the frame 1, the cold air is generated through the first semiconductor refrigerating plate 2 located in the frame 1, the further heat dissipation effect for the compressor body 14 is achieved, the cold air is blown on the surface of the compressor body 14 through the wind force, the heat dissipation effect of the compressor body 14 is improved, part of the cold air and heat is discharged through the heat dissipation holes arranged on the side wall of the frame 1, the remaining heat and cold air are re-refrigerated through the reflux assembly and then enter the frame 1, the further heat dissipation effect is achieved, the heat dissipation effect of the equipment is improved, and the utilization rate of part of the cold air is improved.
[0042] The above are preferable embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.
Claims
1. A cooling structure of an air compressor, characterized by: Including frame (1), the compressor body (14) is equipped in the frame (1), the frame (1) both sides are equipped with a plurality of rectangular array distribution's heat dissipation hole, the frame (1) both sides are equipped with assembly hole, the frame (1) top is equipped with sealing plate (3), the sealing plate (3) and frame (1) between by first bolt fixed; The frame (1) both sides are equipped with mounting hole, two the mounting hole are equipped with filter screen and mounting frame (9) respectively, the mounting frame (9) is equipped with heat dissipation frame (10) in sliding, the heat dissipation frame (10) and mounting frame (9) between are equipped with fixed assembly, the heat dissipation frame (10) is equipped with wind blows assembly in, the frame (1) is equipped with two groups symmetry distribution's first semiconductor refrigerating plate (2), two groups the first semiconductor refrigerating plate (2) opposite end all are through frame (1), the sealing plate (3) and frame (1) between are equipped with backflow assembly.
2. The air-cooled air compressor of claim 1, wherein: The fixed assembly includes mounting block (13) fixedly installed on the top of mounting frame (9), the heat dissipation frame (10) top fixedly installed with clamping block (18), the mounting frame (9) side wall is equipped with the clamping groove (24) matched with clamping block (18), the mounting frame (9) top is equipped with the moving slot matched with clamping block (18), the clamping groove (24) one side inner wall is equipped with movable groove (19), the movable groove (19) is equipped with fixed block (21) in sliding, the clamping block (18) one side is equipped with the fixed slot matched with fixed block (21), the fixed block (21) is away from the one side of clamping block (18) and the inner wall opposite one side of movable groove (19) and is fixedly connected with spring (20), the fixed block (21) is away from the one side of frame (1) and is fixedly installed with the lever, the lever is away from the one side of fixed block (21) and is slidably through mounting block (13).
3. The air-cooled air compressor of claim 2, wherein: The fixed block (21) is fixedly installed with sliding block on the top and bottom of one end close to spring (20), the movable groove (19) top inner wall and bottom inner wall are equipped with the sliding slot matched with the sliding block on the same side.
4. The air compressor cooling structure of claim 1, wherein: The heat dissipation frame (10) side wall is fixedly provided with rubber sleeve, the heat dissipation frame (10) top and bottom are fixedly installed with positioning block (22), the mounting frame (9) inner wall is equipped with the positioning slot matched with the same side positioning block (22).
5. The air compressor cooling structure of claim 1, wherein: The wind blows assembly includes mounting plate (16) fixedly installed in the heat dissipation frame (10), one side of the mounting plate (16) is equipped with speed reducer (15), the fan blade (17) is fixedly provided on the output shaft side wall of speed reducer (15), the heat dissipation frame (10) is away from the one side of frame (1) and is equipped with a plurality of rectangular array distribution's air inlet, the heat dissipation frame (10) is away from the one side of frame (1) and is fixedly installed with frame (11), the dustproof cotton (12) is slidably installed in the frame (11), the dustproof cotton (12) both sides are fixedly installed with limit block, the frame (11) inner wall is equipped with the limit slot matched with the limit block on the same side.
6. The air compressor cooling structure of claim 1, wherein: The backflow assembly comprises a wind collecting funnel (7) arranged on the side of the frame (1) away from the mounting frame (9), two symmetrical supporting plates (8) are fixedly arranged on the two sides of the wind collecting funnel (7), the supporting plates (8) and the frame (1) are fixed through the second bolts, a second semiconductor refrigeration plate (6) is arranged in the wind collecting funnel (7), one end of the second semiconductor refrigeration plate (6) penetrates the wind collecting funnel (7), a branch pipe (4) is arranged at the top of the sealing plate (3), and a connecting pipe (5) is connected between the branch pipe (4) and the wind collecting funnel (7).
7. The air compressor cooling structure of claim 1, wherein: The bottom end of the sealing plate (3) is provided with four symmetrical plug blocks (23), and the top end of the frame (1) is provided with plug grooves matched with the plug blocks (23).