Ventilation type safety helmet for coal mine

Abstract

The utility model relates to the technical field of coal mine equipment, in particular to a coal mine ventilation type safety helmet which comprises a helmet body, an air flow channel is formed in the helmet body, a ventilation mechanism is arranged at the rear end of the outer side of the helmet body, a ventilation bin is formed in the ventilation mechanism, and the ventilation bin is communicated with the air flow channel. A ventilation motor is arranged in the ventilation bin, the output end of the ventilation bin is connected with a ventilation fan, and a storage battery is arranged on one side of the ventilation motor and located in the ventilation mechanism. The air flow channel is designed in the helmet body, so that the helmet structure is lighter, air enters from the air inlet holes, the activated carbon filter membranes attached to the air inlet holes in the two sides of the helmet are attached through hook-and-loop fasteners, dust entering is reduced, the air flows through the ventilation holes in the rear end and is finally exhausted by the ventilation mechanism, and the ventilation efficiency is efficient and stable; and the whole design is ingenious, the practicability of the safety helmet is greatly improved, the manufacturing cost is low, and the safety helmet is more suitable for batch production.

Description

Technical Field

[0001] The utility model relates to a safety helmet, in particular to a ventilation safety helmet for coal mines, belonging to the technical field of equipment for coal mines. Background Art

[0002] Among the wearable equipment in coal mines, the most important one is the safety helmet. The air humidity in the mine is relatively high, which also causes a lot of sweat on the heads of workers when wearing safety helmets. For this reason, people often use breathable safety helmets.

[0003] However, the use of traditional breathable helmets is based on external ventilation. However, the air flow in mines is poor, which leads to the lack of effective ventilation in the helmets. This also increases the amount of sweat for mine workers when working, and in severe cases, dehydration may occur. In addition, the existing ventilation helmets are complex and bulky in structure, difficult to operate, and not conducive to the operation of underground workers. For example, Chinese invention patent publication number CN 208658049 U discloses "a mining helmet with ventilation and air permeability functions". The helmet shell is made of steel, and the ventilation duct is welded on the top to connect the ventilation box. The structure is relatively complex, which will cause inconvenience to the workers. In addition, it is a blowing ventilation. Due to the large amount of dust underground, the ventilation duct will be blocked and dust will accumulate in the helmet, which is difficult to clean and has high manufacturing costs, which is easy to cause waste of resources.

[0004] Therefore, it is urgent to improve the ventilation device of the helmet to solve the above-mentioned problems. Utility Model Content

[0005] The utility model aims to provide a helmet body with an air flow channel designed inside, so that the helmet structure is lighter, the safety helmet adopts suction ventilation, air enters from the air inlet holes, the activated carbon filter membranes attached to the air inlet holes on both sides of the helmet are attached with Velcro, which reduces the entry of dust, the air passes through the air flow channel, flows through the rear end ventilation holes and is finally discharged by the ventilation mechanism, the ventilation efficiency is efficient and stable, hot air and moisture are discharged, and it is also beneficial to the evaporation of sweat, the evaporation of sweat absorbs heat to achieve the effect of ventilation and cooling, the overall design is ingenious, the practicability of the safety helmet is greatly increased, the manufacturing cost is low, and it is more suitable for mass production.

[0006] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include:

[0007] A ventilation safety helmet for coal mines comprises a helmet body, an air flow channel is provided inside the helmet body, a ventilation mechanism is arranged at the rear end outside the helmet body, a ventilation chamber is provided inside the ventilation mechanism, and the ventilation chamber is connected with the air flow channel through a ventilation hole.

[0008] A ventilation motor is arranged inside the ventilation chamber, and a ventilation fan is connected to the output end of the ventilation motor. A battery is fixedly arranged inside the ventilation mechanism on one side of the ventilation motor, and the battery is electrically connected to the ventilation motor.

[0009] Preferably, a motor switch electrically connected to the ventilation motor is provided on the outer side of the ventilation mechanism.

[0010] Preferably, air inlet holes are provided on both the left and right sides of the helmet body, and the air inlet holes are connected to the air flow channel.

[0011] Preferably, an activated carbon filter membrane is attached to the outside of the air inlet.

[0012] Preferably, the activated carbon filter membrane is fixed to the helmet body by Velcro.

[0013] Preferably, lighting devices are provided on both sides of the front end of the helmet body, and the lighting devices are electrically connected to the battery.

[0014] Preferably, a lamp switch is provided on the lower side of the front side of the helmet body, and the lamp switch is electrically connected to the lighting device.

[0015] Preferably, a protective net is fixedly provided at the port of the ventilation chamber.

[0016] Preferably, an assembly hole corresponding to the ventilation mechanism is provided on the helmet body, and the ventilation mechanism is fixedly connected to the assembly hole by bolts.

[0017] The utility model has at least the following beneficial effects:

[0018] 1. An air flow channel is designed inside the helmet body to make the helmet structure lighter. The helmet adopts suction ventilation. The air enters from the air inlet. The activated carbon filter membrane attached to the air inlet on both sides of the helmet is attached with Velcro to reduce the entry of dust. The air passes through the air flow channel, flows through the rear ventilation hole and is finally discharged by the ventilation mechanism. The ventilation efficiency is efficient and stable, which discharges hot air and moisture, and is also conducive to the evaporation of sweat. The evaporation of sweat absorbs heat to achieve the effect of ventilation and cooling. The overall design is ingenious, which greatly increases the practicality of the helmet, has low manufacturing cost, and is more suitable for mass production.

[0019] 2. Two LED energy-saving bulbs are installed on both sides of the helmet, which can effectively increase the visual range of the staff and reduce the blind spots of vision, which is conducive to improving the efficiency of the staff's underground operations and reducing the occurrence of safety accidents. The touch switch is set under the brim, which can effectively prevent the entry of dust, effectively reduce the probability of malfunctions, and increase the overall service life of the helmet. It is both convenient and environmentally friendly.

[0020] 3. The activated carbon filter membrane attached to the air inlet holes on both sides of the helmet is attached with Velcro, which is convenient for workers to replace when the air inlet holes are blocked by dust. Just tear it off and replace it with a new one, which can keep the exhaust system of the safety helmet in a high-efficiency state for a long time and further improve the service life of the mining helmet. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 It is a cross-sectional view of the utility model;

[0023] Figure 2 It is a bottom-up stereogram of the present utility model;

[0024] Figure 3 It is a bottom view of the utility model;

[0025] Figure 4 This is a rendering of the activated carbon filter membrane of the utility model;

[0026] Figure 5 It is a schematic diagram of the Velcro of the utility model;

[0027] In the figure, 1-helmet body, 101-air inlet, 102-air flow channel, 103-ventilation hole, 104-assembly hole, 2-lighting device, 201-lamp body switch, 3-ventilation motor, 301-motor switch, 4-ventilation mechanism, 401-ventilation chamber, 402-ventilation fan, battery, 6-activated carbon filter membrane, 7-protective net, 8-Velcro. DETAILED DESCRIPTION

[0028] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0029] like Figure 1-Figure 5 As shown, the ventilation safety helmet for coal mines provided in this embodiment includes an air flow channel 102 opened inside the helmet body 1, which makes the helmet structure lighter and increases the area of ​​air flow. A ventilation mechanism 4 is provided at the rear end of the outer side of the helmet body 1, and a ventilation chamber 401 is opened inside the ventilation mechanism 4. The ventilation chamber 401 is connected to the air flow channel 102 through the ventilation hole 103.

[0030] A ventilation motor 3 is provided inside the ventilation chamber 401, and a ventilation fan 402 is connected to the output end of the ventilation motor 3. A battery 5 is fixedly provided inside the ventilation mechanism 4 on one side of the ventilation motor 3, and the battery 5 is electrically connected to the ventilation motor 3. The safety helmet adopts suction ventilation, and air enters from the air inlet 101. The activated carbon filter membrane 6 attached to the air inlet on both sides of the helmet is attached with Velcro 8 to reduce the entry of dust. The air passes through the air flow channel 101, flows through the rear end ventilation hole 103 and is finally discharged by the ventilation mechanism 4. The ventilation efficiency is efficient and stable, so that hot air and moisture are discharged, and it is also beneficial to the evaporation of sweat. The evaporation of sweat absorbs heat to achieve the effect of ventilation and cooling. The overall design is ingenious, which greatly increases the practicability of the safety helmet, has low manufacturing cost, and is more suitable for mass production.

[0031] In this embodiment, if Figure 2 As shown, the outer side of the ventilation mechanism 4 is provided with a motor switch 301 electrically connected to the ventilation motor 3. The motor switch 301 can directly control the heat dissipation on and off, thereby improving the convenience of use.

[0032] In this embodiment, if Figure 3 As shown, air inlet holes 101 are provided on both sides of the helmet body 1, and the air inlet holes 101 are connected to the air flow channel 102, which improves the air intake efficiency and thus improves the ventilation efficiency.

[0033] In this embodiment, if Figure 5 As shown, an activated carbon filter membrane 6 is attached to the outside of the air inlet 101, which can effectively prevent dust from entering and achieve the purpose of dust prevention.

[0034] In this embodiment, if Figure 4 As shown, the activated carbon filter membrane 6 is fixed to the helmet body 1 by Velcro 8, which is convenient for workers to replace. They can directly tear it off and replace it with a new one, which can keep the exhaust system of the safety helmet in a high-efficiency state for a long time and further improve the service life of the mining helmet.

[0035] In this embodiment, if Figure 2 As shown, lighting devices 2 are provided on both sides of the front end of the helmet body 1. The lighting device 2 is electrically connected to the battery 5, which can effectively increase the visual range of the staff and reduce the blind spots of the field of vision, which is beneficial to improving the efficiency of the staff's underground operations and is more beneficial to reducing the occurrence of safety accidents.

[0036] In this embodiment, if Figure 3 As shown, a lamp switch 201 is provided on the lower side of the front side of the helmet body 1. The lamp switch 201 is electrically connected to the lighting device 2, which can effectively prevent the entry of dust, effectively reduce the probability of malfunction, and improve the overall service life of the helmet, which is both convenient and environmentally friendly.

[0037] In this embodiment, if Figure 1As shown, a protective net 7 is fixedly provided at the port of the ventilation chamber 401, which can protect the ventilation fan 402 and extend the service life of the safety helmet.

[0038] In this embodiment, if Figure 3 As shown, the helmet body 1 is provided with an assembly hole 104 corresponding to the ventilation mechanism 4, and the ventilation mechanism 4 is fixedly connected to the assembly hole 104 by bolts, so that the overall structure of the helmet is simple and light, which brings convenience to the working activities of the staff.

[0039] like Figure 1-Figure 5 As shown, the principle of a ventilation safety helmet for coal mines provided in this embodiment is as follows:

[0040] An air flow channel 102 is designed inside the helmet body 1 to make the helmet structure lighter. The safety helmet adopts suction ventilation, and air enters from the air inlet 101. The activated carbon filter membrane 6 attached to the air inlet on both sides of the helmet is attached using Velcro 8 to reduce the entry of dust. The air passes through the air flow channel 101, flows through the rear end ventilation hole 103 and is finally discharged by the ventilation mechanism 4. The ventilation efficiency is efficient and stable, so that hot air and moisture can be discharged, and it is also beneficial to the evaporation of sweat. The evaporation of sweat absorbs heat to achieve the effect of ventilation and cooling. The overall design is ingenious, which greatly increases the practicability of the safety helmet, has low manufacturing cost, and is more suitable for mass production.

[0041] For example, certain words are used in the specification and claims to refer to specific components. Those skilled in the art should understand that hardware manufacturers may use different terms to refer to the same component. This specification and claims do not use differences in names as a way to distinguish components, but use differences in the functions of components as the criteria for distinction. For example, "including" mentioned throughout the specification and claims is an open term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve technical problems within a certain error range and basically achieve technical effects.

[0042] It should be noted that the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a product or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such product or system. In the absence of more restrictions, the elements defined by the sentence "comprises a ..." do not exclude the existence of other identical elements in the product or system including the elements.

[0043] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A ventilation safety helmet for coal mines, comprising a helmet body (1), characterized in that: An air flow channel (102) is provided inside the helmet body (1), a ventilation mechanism (4) is provided at the rear end of the outer side of the helmet body (1), a ventilation chamber (401) is provided inside the ventilation mechanism (4), and the ventilation chamber (401) is connected to the air flow channel (102) through a ventilation hole (103); A ventilation motor (3) is arranged inside the ventilation chamber (401), and the output end of the ventilation motor (3) is connected to a ventilation fan (402). A battery (5) is fixedly arranged inside the ventilation mechanism (4) on one side of the ventilation motor (3), and the battery (5) is electrically connected to the ventilation motor (3).

2. A ventilation safety helmet for coal mines according to claim 1, characterized in that: The outer side surface of the ventilation mechanism (4) is provided with a motor switch (301) electrically connected to the ventilation motor (3).

3. A ventilation safety helmet for coal mines according to claim 1, characterized in that: Air inlet holes (101) are provided on both the left and right sides of the helmet body (1), and the air inlet holes (101) are connected to the air flow channel (102).

4. A ventilation safety helmet for coal mines according to claim 3, characterized in that: An activated carbon filter membrane (6) is attached to the outside of the air inlet (101).

5. A ventilation safety helmet for coal mines according to claim 4, characterized in that: The activated carbon filter membrane (6) is fixed to the helmet body (1) via Velcro (8).

6. A ventilation safety helmet for coal mines according to claim 1, characterized in that: Lighting devices (2) are provided on both sides of the front end of the helmet body (1), and the lighting devices (2) are electrically connected to the storage battery (5).

7. A ventilation safety helmet for coal mines according to claim 6, characterized in that: A lamp switch (201) is provided on the lower side of the front side of the helmet body (1), and the lamp switch (201) is electrically connected to the lighting device (2).

8. A ventilation safety helmet for coal mines according to claim 1, characterized in that: A protective net (7) is fixedly provided at the port of the ventilation chamber (401).

9. A ventilation safety helmet for coal mines according to claim 1, characterized in that: The helmet body (1) is provided with an assembly hole (104) corresponding to the ventilation mechanism (4), and the ventilation mechanism (4) is fixedly connected to the assembly hole (104) by means of bolts.

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