Safety helmet with heat dissipation function
The design of the quick-release mechanism and the limiting mechanism simplifies the disassembly and installation process of the helmet's cooling fan, solves the problem of cumbersome operation in the existing technology, realizes efficient and convenient cooling fan maintenance, and improves the convenience and safety of use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-22
- Publication Date
- 2026-03-27
AI Technical Summary
The disassembly and installation process of the cooling fan in existing safety helmets is cumbersome, resulting in a large amount of maintenance time and affecting work efficiency.
It adopts a quick-installation mechanism and a limiting mechanism, including components such as insertion rod, fixing sleeve, inclined slot, locking block, sliding groove, push ring and limiting sleeve. Through the design of reserved holes and reset spring, the installation and disassembly process of the cooling fan is simplified.
It improves the efficiency of installing and removing cooling fans, enhances the convenience and safety of use, ensures the stability and accurate installation of cooling fans, and reduces damage caused by improper operation.
Smart Images

Figure CN224038550U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of safety helmet, more specifically, it relates to a safety helmet with heat dissipation function. BACKGROUND
[0002] In some high-strength, high-temperature environments, workers need to wear safety helmets for a long time. In order to cope with the discomfort and overheating caused by long-term wearing, many safety helmets have built-in cooling fans to help dissipate heat and improve comfort. This cooling function can effectively reduce the temperature inside the hat and reduce heat accumulation, thereby enhancing the user's comfort and work efficiency.
[0003] However, with long-term use, the cooling fan may be affected by dust, dirt accumulation or frequent use, which may cause failure. At this time, the cooling fan needs to be repaired or replaced. However, in the prior art, the disassembly and installation process of the cooling fan is not convenient, the operation is complicated and time-consuming, which causes many difficulties for users in the maintenance process.
[0004] Therefore, in view of this need, there is a need to improve the convenience of disassembling and installing the cooling fan. The existing design usually needs to use complex tools or disassembly steps to replace or repair the cooling fan, and lacks a simple and quick operation method. Especially in the environment that needs frequent maintenance, the installation method of the traditional design of the cooling fan will cause a lot of time waste for the workers, affecting the overall work efficiency. UTILITY MODEL CONTENT
[0005] (I) Technical problem solved
[0006] In view of the problems existing in the prior art, the utility model provides a safety helmet with heat dissipation function to solve the technical problems mentioned in the background art.
[0007] (II) Technical scheme
[0008] To achieve the above object, the utility model provides following technical scheme: A safety helmet with heat dissipation function, including the hat body, the heat dissipation mechanism is provided on the hat body, the heat dissipation mechanism includes fixed frame, heat dissipation fan, through -hole and air hole, fixed frame is installed in the both sides of hat body through the quick -wearing mechanism of setting, heat dissipation fan is installed in a plurality of fixed frames, through -hole is set up in the both sides of hat body, air hole is provided with a plurality of distribution in the top surface of hat body, the quick -wearing mechanism includes plug rod, fixed sleeve, inclined slot, inclined sliding block, clamping block, clamping groove, sliding slot, sliding sleeve, push ring and limiting mechanism, plug rod is inserted in the hat body and fixed frame, fixed sleeve is inserted in the top end of plug rod, inclined slot is provided with a plurality of distribution in the inboard of fixed sleeve, inclined sliding block slides in a plurality of inclined slots, clamping block is fixed in the inboard of a plurality of inclined sliding blocks, clamping groove is provided with a plurality of distribution in the outer wall of plug rod, sliding slot is provided with a plurality of distribution in the outer wall of fixed sleeve, sliding sleeve slides in a plurality of sliding slots, and push ring is fixed in the inboard of sliding sleeve and abuts in the top surface of a plurality of clamping blocks.
[0009] The utility model further sets up, the limiting mechanism includes the limit sleeve, the limit slot, the rotating sleeve, the support rod, the limit block and the let -go hole, and the limit sleeve is fixed in the bottom surface of sliding sleeve, and the limit slot is provided with a plurality of distribution on the limit sleeve, and the rotating sleeve is rotatably installed on the outer wall of fixed sleeve, and the support rod is provided with a plurality of distribution on the top surface of rotating sleeve, and the let -go hole is provided with a plurality of respectively in one end of a plurality of limit slots.
[0010] The utility model further sets up, and the hat body outer wall and fixed frame all are provided with the reserved hole. Through setting up the reserved hole on the hat body outer wall and fixed frame, can more conveniently install and disassemble heat dissipation fan, has promoted the convenience of using, has provided more space for the air circulation of heat dissipation fan simultaneously, has strengthened the heat dissipation effect.
[0011] The utility model further sets up, and the top surface of a plurality of clamping blocks and the inner wall of fixed sleeve are all connected with reset spring. The setting of reset spring makes clamping block in the disassembly process can automatically reset, ensures that clamping block can stably return to the original position, accurately butts joint with clamping groove when installing, strengthens the smoothness and stability of installation and disassembly.
[0012] The utility model further sets up, and one end of a plurality of clamping grooves all is provided with let -go slot. The design of let -go slot makes clamping block can more easily separate from clamping groove, avoids the jamming phenomenon between clamping block and clamping groove, thereby simplifies the disassembly operation of heat dissipation fan, improves the convenience of using.
[0013] The utility model further sets up, and the bottom end of a plurality of plug rods all is fixed with fixed block. The setting of fixed block ensures that the connection of plug rod and fixed sleeve is more stable, avoids that plug rod loosens or falls off in the use process, thereby strengthens the safety and stability of heat dissipation fan in use.
[0014] The utility model further sets up, the limit sleeve bottom surface is equipped with push spring, push ring and rotating cover between connection are equipped with thrust bearing. The setting of push spring can provide the pushing force for the limit sleeve in the process of dismounting or installing, ensure the accurate cooperation of limit sleeve and other parts, the friction between rotating cover and push ring is reduced, the smoothness of operation is improved, and the incoherent operation or damage caused by excessive friction is prevented.
[0015] The utility model further sets up, a plurality of groups limit groove all set up arc and respectively with a plurality of groups support rod sliding connection. The design of arc limit groove makes support rod can slide smoothly in the operation process, so as to ensure that each component can be accurately docked, and the stability and precision of the installation and dismounting process are enhanced.
[0016] (Three) beneficial effects
[0017] Compared with the prior art, the utility model provides a safety helmet with heat dissipation function has the following beneficial effects:
[0018] 1, the heat dissipation mechanism is through setting up heat dissipation fan on the safety helmet body and is equipped with fixed frame, through -hole and air hole, can effectively improve the ventilation and heat dissipation effect of safety helmet inside, heat dissipation fan is installed in fixed frame, and a plurality of groups heat dissipation fan can be more evenly distributed in the both sides of cap body, increase air circulation, effectively reduce the temperature in the cap, improve the comfort and safety of wearing, the design of through -hole and air hole promotes the air flow in and out of the cap body, so that the head of the wearer is not easy to overheat under high temperature environment, thereby reducing the discomfort caused by long time wearing, ensure the work efficiency of the wearer.
[0019] 2, the design of quick -wearing mechanism significantly improves the dismounting and installation efficiency of heat dissipation fan, through the structural design of plug rod and fixed sleeve, heat dissipation fan can be quickly connected or dismounted through simple operation, avoids the complicated dismounting step in traditional design, the cooperation of plug rod and fixed frame makes the installation process more stable, reduces the risk of looseness or insecurity, simultaneously, the collocation of sliding sleeve, clamping block, inclined groove and other components makes heat dissipation fan can smoothly separate when dismounting, and is clamped and fastened when installing, ensure the firm installation of heat dissipation fan, enhance the convenience and safety of use, the setting of reset spring makes clamping block automatically reset when dismounting, provides accurate positioning when installing, and through the design of push ring and thrust bearing, the operation is more smooth, reduces the damage caused by improper human operation.
[0020] 3、The limiting mechanism ensures the safety and accuracy of the installation and disassembly process. Through the cooperation of the limiting sleeve and the limiting groove, it ensures that all parts can be accurately connected during the installation or disassembly of the cooling fan, avoiding damage caused by misoperation. The design of the rotating sleeve and the supporting rod allows the limiting block to accurately release contact with the limiting sleeve, providing smoother operation during disassembly. The use of push springs and thrust bearings enhances the stability of the pushing force during installation, ensuring that the clamping block can be smoothly clamped into the clamping groove, preventing parts from loosening and ensuring reliable installation of the cooling fan. In summary, the limiting mechanism ensures the stability of the cooling fan while providing efficient and safe operation. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of a safety helmet with a cooling function in the utility model.
[0022] Figure 2 It is a schematic diagram of the local structure of the cooling fan in the disassembly state in the utility model.
[0023] Figure 3 It is a schematic diagram of the structure of the limiting mechanism in the utility model.
[0024] Figure 4 It is a schematic diagram of the cross-sectional structure of the fixing sleeve in the utility model.
[0025] Figure 5 It is a schematic diagram of the cross-sectional structure of the sliding sleeve in the utility model.
[0026] In the figure: 1, cap body; 2, fixed frame; 3, cooling fan; 4, through hole; 5, air hole; 6, insertion rod; 7, fixing sleeve; 8, inclined slot; 9, inclined sliding block; 10, clamping block; 11, clamping groove; 12, sliding groove; 13, sliding sleeve; 14, push ring; 15, limiting sleeve; 16, limiting groove; 17, rotating sleeve; 18, supporting rod; 19, limiting block; 20, give way hole; 21, return spring; 22, give way slot; 23, fixed block; 24, push spring; 25, thrust bearing. DETAILED DESCRIPTION
[0027] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0028] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as generally understood by those skilled in the art to which the present application belongs.
[0029] In the utility model, in the case where no opposite statement is made, the orientation such as "upper, lower" is usually for the direction shown in the drawing, or for the vertical, perpendicular or gravity direction; similarly, for the convenience of understanding and description, "left, right" is usually for the left and right shown in the drawing; "inner, outer" refers to the inner and outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model.
[0030] Please refer to Figures 1-5 A safety helmet with heat dissipation function, including cap body 1, cap body 1 is provided with heat dissipation mechanism, heat dissipation mechanism includes fixed frame 2, heat dissipation fan 3, through hole 4 and air hole 5, fixed frame 2 is installed in both sides of cap body 1 by the quick -mounting mechanism of setting, heat dissipation fan 3 is installed in multiple fixed frame 2, through hole 4 is provided in both sides of cap body 1, air hole 5 is provided with multiple groups of distribution in the top surface of cap body 1, quick -mounting mechanism includes plug rod 6, fixed sleeve 7, inclined slot 8, inclined sliding block 9, clamping block 10, clamping groove 11, sliding slot 12, sliding sleeve 13, push ring 14 and limiting mechanism, plug rod 6 is inserted in cap body 1 and fixed frame 2, fixed sleeve 7 is inserted in the top end of plug rod 6, inclined slot 8 is provided with multiple groups of distribution in the inner side of fixed sleeve 7, inclined sliding block 9 slides in multiple inclined slot 8, clamping block 10 is fixed in the inner side of multiple inclined sliding block 9, clamping groove 11 is provided with multiple groups of distribution in the outer wall of plug rod 6, sliding slot 12 is provided with multiple groups of distribution in the outer wall of fixed sleeve 7, sliding sleeve 13 slides in multiple sliding slot 12, push ring 14 is fixed in the inner side of sliding sleeve 13 and abuts in the top surface of multiple clamping block 10.
[0031] Limiting mechanism includes limiting sleeve 15, restriction groove 16, rotating sleeve 17, support rod 18, limiting block 19 and give way hole 20, limiting sleeve 15 is fixed in the bottom surface of sliding sleeve 13, restriction groove 16 is provided with multiple groups of distribution on limiting sleeve 15, rotating sleeve 17 is rotatably installed on the outer wall of fixed sleeve 7, support rod 18 is provided with multiple groups of distribution on the top surface of rotating sleeve 17, give way hole 20 is provided with multiple groups of respectively setting in one end of multiple restriction groove 16.
[0032] Cap body 1 outer wall and fixed frame 2 are all provided with reserved hole, the setting of reserved hole is convenient for the installation and disassembly of heat dissipation fan, and improves air circulation, which helps to improve the heat dissipation effect.
[0033] Multiple clamping block 10 top surface and fixed sleeve 7 inner wall are all connected with reset spring 21, reset spring 21 provides elastic force, so that clamping block 10 can be automatically reset when disassembling, ensure the accurate cooperation of clamping block and clamping groove, improve the stability of disassembly and installation.
[0034] Multiple clamping groove 11 one end is all provided with give way slot 22, the design of give way slot 22 makes clamping block 10 can smoothly separate from clamping groove 11, avoids the jamming phenomenon, simplifies the disassembly process of heat dissipation fan.
[0035] The bottom end of each group of insertion rods 6 is fixedly provided with a fixed block 23, the fixed block 23 enhances the connection stability of the insertion rod 6 and the fixing sleeve 7, prevents the insertion rod 6 from loosening or falling off during use, and thus improves the firmness of the cooling fan.
[0036] The bottom surface of the limiting sleeve 15 is connected with a push spring 24, and the push ring 14 and the rotating sleeve 17 are connected with a thrust bearing 25, the push spring 24 provides the necessary pushing force for the limiting sleeve 15, ensures the accurate cooperation with other components, the thrust bearing 25 reduces the friction between the push ring 14 and the rotating sleeve 17, improves the smoothness of operation, and avoids the incoordination of operation caused by excessive friction.
[0037] Each group of limiting grooves 16 is designed in an arc shape and is slidably connected with a group of supporting rods 18, the arc-shaped limiting groove 16 design enables the supporting rod 18 to smoothly slide, ensures that each component can be accurately connected, and enhances the accuracy and stability of installation and disassembly.
[0038] In this embodiment, when the cooling fan 3 needs to be disassembled, the rotating sleeve 17 is rotated clockwise to drive a group of supporting rods 18 to slide into the accommodation hole 20 along the limiting groove 16, so that the group of limiting blocks 19 is disengaged from the top surface of the limiting sleeve 15, then the limiting sleeve 15 is pushed by the push spring 24 to make the sliding sleeve 13 slide along the group of sliding grooves 12, at the same time, the push ring 14 is disengaged from the group of clamping blocks 10, the group of clamping blocks 10 is pulled by the group of return springs 21 to slide along the inclined groove 8 through the inclined sliding block 9, so that the group of clamping blocks 10 is separated from the clamping groove 11 along the accommodation groove 22, the clamping of the insertion rod 6 is released, then the fixing sleeve 7 and the fixed block 23 are pulled to separate the insertion rod 6 from the fixing sleeve 7 and the fixed frame 2, the disassembly of the cooling fan 3 is completed, and then the cooling fan 3 can be repaired and maintained.
[0039] More specifically, when the cooling fan 3 needs to be installed, the insertion rod 6 is inserted into the reserved hole provided on the cap body 1 and the fixed frame 2, then the fixing sleeve 7 is inserted with the insertion rod 6, the sliding sleeve 13 drives the compression ring to abut against the top surface of the group of clamping blocks 10, the group of clamping blocks 10 is pushed to slide along the inclined groove 8 through the inclined sliding block 9 and is clamped in the clamping groove 11 while stretching the group of return springs 21, the sliding sleeve 13 pushes the limiting sleeve 15 to extrude the push spring 24 while making the group of limiting blocks 19 inserted into the accommodation hole 20, then the rotating sleeve 17 is rotated counterclockwise to drive the group of supporting rods 18 to slide into the limiting groove 16, so that the group of limiting blocks 19 abuts against the top surface of the limiting sleeve 15, thereby limiting the push ring 14, and the installation of the cooling fan 3 is completed.
[0040] In summary, when the heat dissipation fan 3 needs to be disassembled, the rotating sleeve 17 is rotated clockwise to drive the plurality of supporting rods 18 to slide into the letting hole 20 along the limiting groove 16, so that the plurality of limiting blocks 19 are disengaged from the top surface of the limiting sleeve 15, then the limiting sleeve 15 is pushed by the push spring 24 to make the sliding sleeve 13 slide along the plurality of sliding grooves 12, and the push ring 14 is disengaged from the plurality of clamping blocks 10, the plurality of clamping blocks 10 are pulled by the plurality of reset springs 21 to slide along the inclined groove 8 through the inclined sliding block 9, so that the plurality of clamping blocks 10 are disengaged from the clamping groove 11 along the letting groove 22, the clamping of the insertion rod 6 is disengaged, then the insertion rod 6 is disengaged from the fixed sleeve 7 and the fixed frame 2 by pulling the fixed sleeve 7 and the fixed block 23, and the heat dissipation fan 3 is disassembled, and then the heat dissipation fan 3 can be repaired and maintained.
[0041] When the heat dissipation fan 3 needs to be installed, the insertion rod 6 is inserted into the reserved hole provided on the cap body 1 and the fixed frame 2, then the fixed sleeve 7 is inserted into the insertion rod 6, the sliding sleeve 13 is pushed to abut against the top surface of the plurality of clamping blocks 10, the plurality of clamping blocks 10 are pushed to slide along the inclined groove 8 through the inclined sliding block 9 and are clamped in the clamping groove 11 and simultaneously stretch the plurality of reset springs 21, the sliding sleeve 13 is pushed to extrude the push spring 24 when sliding, and the plurality of limiting blocks 19 are inserted into the letting hole 20, then the rotating sleeve 17 is rotated counterclockwise to drive the plurality of supporting rods 18 to slide into the limiting groove 16, so that the plurality of limiting blocks 19 abut against the top surface of the limiting sleeve 15, thereby limiting the push ring 14, and the installation of the heat dissipation fan 3 is completed.
[0042] In all the above-mentioned schemes, the connection between the two components can be selected according to the actual situation, such as welding, bolt and nut cooperation connection, bolt or screw connection or other known connection mode, which will not be repeated here. In the above, whenever there is a fixed connection, welding is preferred, although the embodiments of the utility model have been shown and described, those skilled in the art can understand that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A safety helmet with heat dissipation function, comprising a cap body (1), characterized in that: The hat body (1) is provided with a heat dissipation mechanism, the heat dissipation mechanism includes fixed frame (2), heat dissipation fan (3), through hole (4) and air hole (5), the fixed frame (2) is installed on both sides of the hat body (1) by the quick mounting mechanism, the heat dissipation fan (3) is installed in multiple fixed frames (2), the through hole (4) is provided on both sides of the hat body (1), the air hole (5) is provided with multiple groups of distribution on the top surface of the hat body (1), the quick mounting mechanism includes plug rod (6), fixed sleeve (7), inclined slot (8), inclined sliding block (9), clamping block (10), clamping groove (11), sliding groove (12), sliding sleeve (13), push ring (14) and limiting mechanism, the plug rod (6) is inserted in the hat body (1) and the fixed frame (2), the fixed sleeve (7) is inserted in the top end of the plug rod (6), the inclined slot (8) is provided with multiple groups of distribution on the inner side of the fixed sleeve (7), the inclined sliding block (9) is slid in multiple inclined slots (8), the clamping block (10) is fixed on the inner side of multiple inclined sliding blocks (9), the clamping groove (11) is provided with multiple groups of distribution on the outer wall of the plug rod (6), the sliding groove (12) is provided with multiple groups of distribution on the outer wall of the fixed sleeve (7), the sliding sleeve (13) is slid in multiple sliding grooves (12), the push ring (14) is fixed on the inner side of the sliding sleeve (13) and abuts on the top surface of multiple clamping blocks (10).
2. The safety helmet with heat dissipation function according to claim 1, characterized in that: The limiting mechanism includes limiting sleeve (15), limiting groove (16), rotating sleeve (17), support rod (18), limiting block (19) and let go of hole (20), the limiting sleeve (15) is fixed on the bottom surface of the sliding sleeve (13), the limiting groove (16) is provided with multiple groups of distribution on the limiting sleeve (15), the rotating sleeve (17) is rotatably installed on the outer wall of the fixed sleeve (7), the support rod (18) is provided with multiple groups of distribution on the top surface of the rotating sleeve (17), the let go of hole (20) is provided with multiple groups of distribution on one end of multiple limiting grooves (16) respectively.
3. The safety helmet with heat dissipation function according to claim 2, characterized in that: The outer wall of the hat body (1) and the fixed frame (2) are provided with a reserved hole.
4. The safety helmet with heat dissipation function according to claim 3, characterized in that the plurality of groups of The top surface of the clamping block (10) and the inner wall of the fixed sleeve (7) are connected with reset spring (21).
5. The safety helmet with heat dissipation function according to claim 4, characterized in that: One end of multiple clamping grooves (11) is provided with let go of slot (22).
6. The safety helmet with heat dissipation function according to claim 5, characterized in that: The bottom end of multiple plug rods (6) is fixed with fixed block (23).
7. The safety helmet with heat dissipation function according to claim 6, characterized in that: The bottom surface of the limiting sleeve (15) is connected with push spring (24), and the push ring (14) and the rotating sleeve (17) are connected with thrust bearing (25).
8. The safety helmet with heat dissipation function according to claim 7, characterized in that the plurality of groups of The limiting groove (16) is arranged in an arc shape and is slidably connected with multiple support rods (18).