Construction site safety helmet with anti-falling function

Abstract

The construction site safety helmet with the anti-falling function comprises a safety helmet body, fixing shells are fixedly connected to the two sides of the safety helmet body respectively, fixing openings are formed in the front sides and the rear sides of the fixing shells respectively, push blocks are arranged on the opposite sides of the two fixing openings respectively, sliding rods are arranged at the tops and the bottoms of the push blocks respectively, and the sliding rods are connected with the safety helmet body. Two sliding rods are arranged in the fixing shell, the opposite sides of the two sliding rods are fixedly connected with the fixing shell, sliding sleeves are arranged on the surfaces of the sliding rods in a sleeving mode, the opposite sides of the two sliding sleeves are fixedly connected with a pushing block, a fixing block is arranged at the bottom of the fixing shell, and the top of the fixing block extends to an inner cavity of the fixing shell. And through cooperation of a push block and an insertion block, the fixing block is pulled out of the fixing shell, and the lower cheek belt is detached.

Description

Technical Field

[0001] The utility model belongs to the technical field of safety helmets, in particular to a construction site safety helmet with an anti-falling function. Background Art

[0002] A safety helmet is a personal protective equipment used to protect the head. It is usually used in industries such as industry, construction, mining, electricity and transportation. The main function of a safety helmet is to reduce or avoid injuries to the head such as impact, cutting, puncture and electric shock.

[0003] When used at work, the lower chin strap is prone to contamination or damage after long-term use. In the prior art, the lower chin strap of the construction site safety helmet is often cleaned together with the helmet body, which is inconvenient to disassemble and wastes time. In addition, the heat dissipation efficiency of the general construction site safety helmet is poor, which is very stuffy and can seriously cause heatstroke to the workers. Therefore, a construction site safety helmet with an anti-falling function is needed. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model provides a construction site safety helmet with an anti-falling function, which can quickly disassemble the lower cheek strap of the construction site safety helmet, saving time, and can enhance the heat dissipation efficiency of the construction site safety helmet to prevent workers from heatstroke.

[0005] The utility model is realized in this way. A construction site safety helmet with an anti-falling function comprises a safety helmet body, both sides of the safety helmet body are fixedly connected with a fixing shell, the front side and the rear side of the fixing shell are provided with fixing openings, the opposite sides of the two fixing openings are provided with push blocks, the top and the bottom of the push blocks are provided with sliding rods, the opposite sides of the two sliding rods are fixedly connected to the fixing shell, the surface of the sliding rod is provided with a sliding sleeve, the opposite sides of the two sliding sleeves are fixedly connected to the push blocks, the bottom of the fixing shell is provided with a fixing block, the top of the fixing block extends to the inner cavity of the fixing shell, the top and bottom of the inner cavity of the fixing block are fixedly connected to the fixing shell, and the fixing block is fixedly connected to the fixing shell. A telescopic rod is provided, and a stretch spring is sleeved on the surface of the telescopic rod. The front and rear sides of the telescopic rod are fixedly connected with plug blocks, and the opposite sides of the two plug blocks penetrate into the inner cavity of the fixed port, and the bottom of the fixed block is fixedly connected with a lower cheek strap. An air inlet is provided on the front side of the safety helmet body, and an air inlet shell is fixedly connected to the inner wall of the air inlet. The front side of the air inlet shell penetrates the safety helmet body, and a motor is provided in the inner cavity of the air inlet shell, and a fan blade is fixedly connected to the output end on the rear side of the motor. Fixed rods are fixedly connected on both sides of the motor, and the side of the fixed rod away from the motor is fixedly connected to the inner wall of the air inlet shell.

[0006] As a preferred embodiment of the utility model, the two opposite sides of the two slide bars are fixedly connected to the limiting sleeves, and the bottoms of the two lower cheek straps are connected by buckles.

[0007] As a preferred embodiment of the utility model, the top and bottom of the inner cavity of the fixed block are provided with sliding grooves, the top and bottom of the plug block are fixedly connected with sliders, and the slider extends from one side away from the plug block to the inner cavity of the sliding groove.

[0008] As a preferred embodiment of the utility model, both sides of the insert block are fixedly connected to limit blocks, and the front side and the rear side of the fixed block are both provided with openings.

[0009] As a preferred embodiment of the utility model, solar panels are fixedly connected to both sides of the air inlet shell, and the rear side of the solar panel is fixedly connected to the helmet body.

[0010] As a preferred embodiment of the present invention, a filter is fixedly connected to the bottom of the inner cavity of the air inlet shell, and an air inlet hole is opened on the front side of the air inlet shell.

[0011] As a preferred embodiment of the utility model, the surface of the air inlet shell is covered with a fixing sleeve, and the rear side of the fixing sleeve is fixedly connected to the helmet body.

[0012] The beneficial effects of the utility model are as follows:

[0013] The utility model starts a motor to drive the fan blades to rotate, so that cool air is sucked into the inner cavity of the helmet body through the air inlet hole and the air inlet shell, so that heat can be blown out, the heat dissipation efficiency is enhanced, and the staff is prevented from getting heatstroke. The fixing block is pulled out of the fixing shell through the cooperation of the pushing block and the inserting block, so that the lower cheek strap is disassembled.

[0014] The utility model can limit the movement range of the sliding sleeve by providing a limit sleeve, can facilitate the connection of two lower cheek straps by providing a buckle, can limit the movement range of the plug block by providing a slide groove and a slider, can prevent the plug block from being separated from the fixed block by providing a limit block, can facilitate the use of the plug block by providing an opening, can provide power to the motor by providing a solar cell panel, can prevent hair from entering the air inlet shell by providing a filter, can facilitate air intake by providing an air inlet hole, and can strengthen the connection between the air inlet shell and the helmet body by providing a fixed sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the fixed shell and the fixed block of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the fixed shell of the utility model;

[0018] Figure 4 It is a left sectional view of the fixing block of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the safety helmet body of the utility model;

[0020] Figure 6 It is a front sectional view of the air inlet housing of the utility model.

[0021] In the figure: 1. Helmet body; 2. Fixed shell; 3. Fixed port; 4. Push block; 5. Slide rod; 6. Slide sleeve; 7. Fixed block; 8. Telescopic rod; 9. Extension spring; 10. Insert block; 11. Lower cheek strap; 12. Air inlet; 13. Air inlet shell; 14. Motor; 15. Fan blade; 16. Fixed rod; 17. Slide groove; 18. Slider; 19. Solar panel; 20. Filter. DETAILED DESCRIPTION

[0022] like Figures 1 to 6 As shown, the construction site safety helmet with anti-falling function provided by the embodiment of the utility model comprises a safety helmet body 1, both sides of the safety helmet body 1 are fixedly connected with a fixing shell 2, the front and rear sides of the fixing shell 2 are provided with fixing openings 3, the opposite sides of the two fixing openings 3 are provided with push blocks 4, the top and bottom of the push blocks 4 are provided with slide bars 5, the opposite sides of the two slide bars 5 are fixedly connected to the fixing shell 2, the surface of the slide bar 5 is provided with a sliding sleeve 6, the opposite sides of the two sliding sleeves 6 are fixedly connected to the push blocks 4, the bottom of the fixing shell 2 is provided with a fixing block 7, the top of the fixing block 7 extends to the inner cavity of the fixing shell 2, and the top and bottom of the inner cavity of the fixing block 7 are provided with telescopic Rod 8, the surface of the telescopic rod 8 is sleeved with an extension spring 9, the front and rear sides of the telescopic rod 8 are fixedly connected with plug blocks 10, the opposite sides of the two plug blocks 10 are both penetrated into the inner cavity of the fixing port 3, the bottom of the fixing block 7 is fixedly connected with a lower cheek strap 11, the front side of the safety helmet body 1 is provided with an air inlet 12, the inner wall of the air inlet 12 is fixedly connected with an air inlet shell 13, the front side of the air inlet shell 13 penetrates the safety helmet body 1, the inner cavity of the air inlet shell 13 is provided with a motor 14, the output end of the rear side of the motor 14 is fixedly connected with a fan blade 15, both sides of the motor 14 are fixedly connected with fixing rods 16, and the side of the fixing rod 16 away from the motor 14 is fixedly connected to the inner wall of the air inlet shell 13.

[0023] refer to Figure 1 , Figure 2 and Figure 3 The two opposite sides of the two slide bars 5 are fixedly connected to the limiting sleeves, the bottoms of the two lower cheek straps 11 are connected by buckles, the top and bottom of the inner cavity of the fixed block 7 are provided with slide grooves 17, the top and bottom of the plug block 10 are fixedly connected with sliders 18, the slider 18 extends to the inner cavity of the slide groove 17 away from the side of the plug block 10, both sides of the plug block 10 are fixedly connected to the limiting blocks, and the front and rear sides of the fixed block 7 are provided with openings.

[0024] By adopting the above scheme: by setting a limit sleeve, the movement range of the sliding sleeve 6 can be limited, by setting a buckle, the connection of the two lower cheek straps 11 can be facilitated, by setting a slide groove 17 and a slider 18, the movement range of the insertion block 10 can be limited, by setting a limit block, the insertion block 10 can be prevented from being separated from the fixed block 7, and by setting an opening, the use of the insertion block 10 can be facilitated.

[0025] refer to Figure 1 , Figure 4 and Figure 6 Solar panels 19 are fixedly connected to both sides of the air inlet shell 13, the rear side of the solar panel 19 is fixedly connected to the helmet body 1, the bottom of the inner cavity of the air inlet shell 13 is fixedly connected to the filter screen 20, an air inlet hole is opened on the front side of the air inlet shell 13, and a fixed sleeve is covered on the surface of the air inlet shell 13, and the rear side of the fixed sleeve is fixedly connected to the helmet body 1.

[0026] By adopting the above scheme: by setting up a solar cell panel 19, power can be provided to the motor 14, by setting up a filter 20, hair can be prevented from entering the air inlet shell 13, by setting up an air inlet hole, air intake can be facilitated, and by setting up a fixing sleeve, the connection between the air inlet shell 13 and the helmet body 1 can be strengthened.

[0027] The working principle of this utility model:

[0028] When in use, the staff will wear the helmet body 1 on the head, and the helmet body 1 can be fixed by the cooperation of the lower cheek strap 11 and the buckle to prevent the helmet body 1 from falling off. When heat dissipation is needed, the power can be transmitted to the motor 14 through the solar panel 19, and the motor 14 is turned on to drive the fan blades 15 to rotate, and the cool wind is sucked into the inner cavity of the helmet body 1 through the air inlet hole through the air inlet shell 13, which can blow out the heat, enhance the heat dissipation efficiency, and prevent the staff from heatstroke. When it is necessary to remove the lower cheek strap 11, the staff presses the push block 4 to make the two push blocks 4 approach each other, and the push block 4 moves and squeezes the two plug blocks 10 to approach each other, so that the plug block 10 is away from the inner cavity of the fixing port 3, and the restriction on the plug block 10 is released. The fixing block 7 can be pulled out from the fixing shell 2 to complete the removal of the lower cheek strap 11.

Claims

1. A construction site safety helmet with an anti-falling function, comprising a safety helmet body (1), characterized in that: Both sides of the helmet body (1) are fixedly connected to a fixed shell (2); the front and rear sides of the fixed shell (2) are provided with fixed openings (3); the opposite sides of the two fixed openings (3) are provided with push blocks (4); the top and bottom of the push blocks (4) are provided with slide bars (5); the opposite sides of the two slide bars (5) are fixedly connected to the fixed shell (2); the surface of the slide bars (5) is sleeved with a slide sleeve (6); the opposite sides of the two slide sleeves (6) are fixedly connected to the push blocks (4); the bottom of the fixed shell (2) is provided with a fixed block (7); the top of the fixed block (7) extends to the inner cavity of the fixed shell (2); the top and bottom of the inner cavity of the fixed block (7) are provided with telescopic rods (8); the surface of the telescopic rod (8) is sleeved with an extension spring (9); The front and rear sides of the telescopic rod (8) are both fixedly connected to plug blocks (10), and the opposite sides of the two plug blocks (10) are both extended through the inner cavity of the fixing port (3). The bottom of the fixing block (7) is fixedly connected to a lower cheek strap (11). The front side of the helmet body (1) is provided with an air inlet (12), and the inner wall of the air inlet (12) is fixedly connected to an air inlet shell (13). The front side of the air inlet shell (13) extends through the helmet body (1). The inner cavity of the air inlet shell (13) is provided with a motor (14), and the output end of the rear side of the motor (14) is fixedly connected to a fan blade (15). Both sides of the motor (14) are fixedly connected to fixing rods (16), and the side of the fixing rod (16) away from the motor (14) is fixedly connected to the inner wall of the air inlet shell (13).

2. The construction site safety helmet with anti-falling function as claimed in claim 1, characterized in that: The two opposite sides of the two slide bars (5) are fixedly connected to the limiting sleeves, and the bottoms of the two lower cheek straps (11) are connected by buckles.

3. The construction site safety helmet with anti-falling function as claimed in claim 1, characterized in that: The top and bottom of the inner cavity of the fixed block (7) are both provided with a slide groove (17), and the top and bottom of the plug block (10) are both fixedly connected with a slider (18), and the slider (18) extends from a side away from the plug block (10) to the inner cavity of the slide groove (17).

4. The construction site safety helmet with anti-falling function as claimed in claim 1, 2 or 3, characterized in that: Both sides of the insert block (10) are fixedly connected to limit blocks, and the front and rear sides of the fixed block (7) are provided with openings.

5. The construction site safety helmet with anti-falling function as claimed in claim 1, 2 or 3, characterized in that: Solar panels (19) are fixedly connected to both sides of the air inlet shell (13), and the rear side of the solar panel (19) is fixedly connected to the helmet body (1).

6. The construction site safety helmet with anti-falling function as claimed in claim 1, 2 or 3, characterized in that: A filter screen (20) is fixedly connected to the bottom of the inner cavity of the air inlet shell (13), and an air inlet hole is provided on the front side of the air inlet shell (13).

7. The construction site safety helmet with anti-falling function as claimed in claim 1, 2 or 3, characterized in that: The surface of the air inlet shell (13) is covered with a fixing sleeve, and the rear side of the fixing sleeve is fixedly connected to the helmet body (1).

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