Noise-reduction breathable explosion-proof helmet

Abstract

The utility model discloses a noise-reduction breathable type explosion-proof helmet which comprises a helmet body, a mask, a bridle, a neck guard, a median spine, a breathable mechanism and a noise-reduction mechanism. According to the anti-explosion helmet, the middle ridge arranged at the top end of the helmet body and the ventilation mechanisms arranged at the left end and the right end of the middle ridge are matched with one another, ventilation and heat dissipation of the helmet body can be achieved, and the situation that when the anti-explosion helmet is worn for a long time, heat and sweat are accumulated and cannot be discharged in time, and consequently the wearing comfort is reduced is avoided; the noise reduction mechanism comprises an opening and closing opening, a turnover mechanism, a limiting mechanism and other assemblies, the ears of the wearer can be wrapped under mutual cooperation, the noise reduction effect can be improved, and high practicability is achieved.

Description

Technical Field

[0001] The utility model relates to the relevant field of explosion-proof helmets, in particular to a noise-reducing and breathable explosion-proof helmet. Background Art

[0002] An explosion-proof helmet is a piece of police equipment that protects police officers from head and facial injuries or other potential injuries while performing their duties.

[0003] In order to improve the protective effect, some existing explosion-proof helmets have a relatively closed overall structure. If worn for a long time, it may cause heat and sweat accumulation on the head, reducing wearing comfort. Most of them only have a simple protective effect and a relatively poor noise reduction effect. They may be affected by external noise and cannot receive commands in time, which has certain limitations. Utility Model Content

[0004] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a noise-reducing and breathable explosion-proof helmet.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a noise-reducing and breathable explosion-proof helmet, comprising a protective helmet body, an inner lining is provided on the inner side of the helmet body, a transparent mask is provided on the front end, a fixable strap is provided on the front bottom end, a neck guard is provided on the rear end of the strap to protect the neck, and also includes a central ridge arranged at the middle end of the top of the helmet body, a plurality of groups of ventilation grooves are arranged at equal intervals in the central ridge, and no less than two groups of ventilation mechanisms are provided on the left and right ends of the central ridge, and a group of noise reduction mechanisms for noise reduction are provided on the left and right ends of the helmet body.

[0006] Preferably, the ventilation mechanism comprises a groove, a ventilation port and a slide plate, the outer side of the helmet body is provided with a groove, one end of the groove is provided with a ventilation port connected to the inside of the helmet body, a slot is provided on one side of the groove close to the ventilation port, and the other end of the groove is provided with a slide plate;

[0007] The middle end of the top surface of the slide plate is provided with no less than two groups of ventilation grooves, and one end of the top surface close to the slot is provided with a convex strip.

[0008] Preferably, the noise reduction mechanism includes an opening and closing opening, a flipping mechanism and a limiting mechanism, a group of openings and closing openings are provided at the positions corresponding to the ears at the left and right ends of the helmet body, a group of flipping mechanisms are hinged at the top of the openings and closing openings, and a group of limiting mechanisms are provided at the outer bottom of the openings and closing openings;

[0009] The flipping mechanism includes a flipping plate, a convex cylinder, a turntable, a threaded rod, a connecting disk and noise reduction cotton. The top of the opening and closing mouth is hinged with a flipping plate, a group of convex cylinders are provided at the outer middle end of the flipping plate, a group of turntables are provided in the convex cylinders, a group of threaded rods are provided on the inner side of the turntable, and the other ends of the threaded rods all pass through the flipping plate and are connected to a group of connecting disks, and noise reduction cotton is provided on the inner side of the connecting disks.

[0010] Preferably, the limiting mechanism includes a fixed seat, a limiting plate, a spring sheet, a paddle and a toggle groove, a group of fixed seats are provided at the outer bottom end of the opening and closing mouth, a cavity is provided in the fixed seat, a group of limiting plates are provided at the top end of the cavity, the bottom end of the limiting plate is connected to the bottom end of the cavity through a spring sheet, and a group of paddles are provided at the outer middle end of the limiting plate, and the middle end of the fixed seat is provided at the toggle groove corresponding to the paddle.

[0011] Preferably, the limiting plate is in the shape of a figure "7".

[0012] Preferably, the noise reduction cotton is designed to be cylindrical, and a groove corresponding to the ear is provided at the middle end.

[0013] Preferably, the slide plate can be inserted into the slot through the convex strip.

[0014] Preferably, a guardrail is provided at the top inner side of the air vent.

[0015] Beneficial effects of the utility model:

[0016] The utility model can realize ventilation and heat dissipation of the helmet main body by means of the middle ridge arranged at the top of the helmet main body and the ventilation mechanisms at the left and right ends of the middle ridge, which cooperate with each other, so as to avoid the accumulation of heat and sweat when the explosion-proof helmet is worn for a long time, which cannot be discharged in time and thus reduces the wearing comfort. The left and right ends of the helmet main body are both provided with noise reduction mechanisms, which include components such as an opening and closing mouth, a flip mechanism and a limiting mechanism, which can wrap the ears of the wearer by cooperating with each other, so as to improve the noise reduction effect and have strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a left-side structural schematic diagram of the utility model;

[0018] Figure 2 It is a schematic diagram of the internal structure of the spine of the utility model;

[0019] Figure 3 This is a schematic diagram of the top view of the groove structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the noise reduction mechanism structure of the utility model;

[0021] Figure 5 This is a schematic diagram of the internal structure of the turning mechanism of the utility model;

[0022] Figure 6 It is a schematic diagram of the internal structure of the limiting mechanism of the utility model.

[0023] Among them: helmet body -1, lining -11, mask -2, strap -3, neck guard -4, ridge -5, ventilation mechanism -6, noise reduction mechanism -7, ventilation groove -51, groove -61, ventilation port -62, slide plate -63, slot -611, ventilation groove -631, convex strip -632, opening and closing port -71, flip mechanism -72, limit mechanism -73, flip plate -721, convex cylinder -722, turntable -723, threaded rod -724, connecting plate -725, noise reduction cotton -726, fixing seat -731, limit plate -732, spring sheet -733, paddle -734, toggle groove -735. DETAILED DESCRIPTION

[0024] In order to further explain the technical solution of the present utility model, it is described in detail through specific embodiments below.

[0025] See also Figure 1-2 The utility model provides a noise-reducing and breathable explosion-proof helmet, comprising a protective helmet body 1, an inner side of the helmet body 1 is provided with an inner lining 11 for improving wearing comfort, a front end of the helmet body 1 is provided with a transparent mask 2 for convenient observation of the environment, a front bottom end is provided with a strap 3 for fixation, a rear end of the strap 3 is provided with a neck guard 4 for protecting the neck, and also comprises a ridge 5 arranged at the middle end of the top of the helmet body 1, a plurality of groups of ventilation grooves 51 are arranged at equal intervals in the ridge 5, the ventilation grooves 51 are in a "T" shape, which is convenient for ventilation in the helmet body 1, and the inner ends of the openings of the ventilation grooves 51 are provided with protective nets to prevent impurities from entering therein, and the left and right ends of the ridge 5 are provided with no less than two groups of ventilation mechanisms 6, and the left and right ends of the helmet body 1 are provided with a group of noise reduction mechanisms 7 for noise reduction.

[0026] See also Figure 1-3 The utility model provides a noise-reducing, breathable explosion-proof helmet. The breathable mechanism 6 includes a groove 61, a breathable port 62 and a slide plate 63. The outer side of the helmet body 1 is provided with a groove 61. One end of the groove 61 is provided with a breathable port 62 connected to the inside of the helmet body 1, which can improve the breathability. A guardrail is provided at the top of the breathable port 62 to prevent impurities from entering. A slot 611 is provided on one side of the groove 61 close to the breathable port 62. A set of slide plates 63 are slidably connected to the other end of the groove 61.

[0027] At least two groups of ventilation grooves 631 are provided at the middle end of the top surface of the slide plate 63, and a convex strip 632 is provided at one end of the top surface close to the slot 611. The slide plate 63 can slide in the groove 61 and cover the top of the ventilation port 62. The slide plate 63 can be inserted into the slot 611 through the convex strip 632, which is convenient for fixing the slide plate 63.

[0028] See also Figure 1-5 The utility model provides a noise-reducing and breathable explosion-proof helmet. The noise-reducing mechanism 7 includes an opening and closing opening 71, a flipping mechanism 72 and a limiting mechanism 73. The left and right ends of the helmet body 1 are both provided with a set of opening and closing openings 71 at positions corresponding to the ears. The top of the opening and closing openings 71 is hinged with a set of flipping mechanisms 72. The bottom of the opening and closing openings 71 is provided with a set of limiting mechanisms 73.

[0029] The flipping mechanism 72 includes a flipping plate 721, a convex cylinder 722, a rotating disk 723, a threaded rod 724, a connecting disk 725 and noise reduction cotton 726. The top of the opening and closing mouth 71 is hinged with a flipping plate 721, and the flipping plate 721 can be flipped to expand or cover the opening and closing mouth 71, and a damping is provided at the hinge to increase the friction force. A group of convex cylinders 722 are provided at the outer middle end of the flipping plate 721, and a group of rotating disks 723 are provided in the convex cylinders 722. The rotating disk 723 can rotate in the convex cylinders 722. A group of threaded rods 724 are provided on the inner side of the rotating disk 723. The other ends of the threaded rods 724 all penetrate the flipping plate 721 and are rotatably connected to a group of connecting disks 725. The connecting disk 725 can be moved by rotating the rotating disk 723 and the threaded rods 724. Noise reduction cotton 726 is provided on the inner side of the connecting disk 725. The noise reduction cotton 726 is set to be cylindrical, and a groove corresponding to the ear is provided at the middle end, which can wrap the ear to improve the noise reduction effect.

[0030] See also Figure 6 The utility model provides a noise-reducing and breathable explosion-proof helmet. The limiting mechanism 73 includes a fixing seat 731, a limiting plate 732, a spring sheet 733, a paddle 734 and a toggle slot 735. A group of fixing seats 731 are provided at the outer bottom end of the opening and closing mouth 71. A cavity is provided in the fixing seat 731, and a group of limiting plates 732 are slidably connected to the top of the cavity. The limiting plate 732 is in the shape of a "7" character, which can limit the flip plate 721 flipped into the opening and closing mouth 71. The bottom end of the limiting plate 732 is connected to the bottom end of the cavity through a spring sheet 733, which is convenient for resetting the limiting plate 732. A group of paddles 734 are provided at the outer middle end of the limiting plate 732, and the middle end of the fixing seat 731 is provided with a toggle slot 735 corresponding to the paddle 734, which can be moved by applying force, thereby driving the limiting plate 732 to move up and down.

[0031] Here’s how it works:

[0032] The utility model is placed in a suitable position for use. When in use, the helmet body 1 can be worn on the wearer's head and fixed by the strap 3. The air vent 62 and the air vent groove 51 can be exposed by sliding the slide plate 63 to improve the air permeability inside the helmet body 1.

[0033] And by applying force to press down the paddle 734, the limit plate 732 can be driven to move downward, thereby releasing the limit on the flip plate 721, and the convex cylinder 722 can be used to drive the flip plate 721 to flip out of the opening 71 to expose the wearer's ear, making it easier to wear the Bluetooth headset. Then the flip plate 721 can be reset, and the threaded rod 724 can be used to rotate the turntable 723 to drive the connecting plate 725 and the noise reduction cotton 726 to move inward so that they fit the outside of the ear and improve the noise reduction effect.

[0034] The above description is only a preferred example of the present invention and is not intended to limit the present invention. Although the present invention is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A noise-reducing, breathable explosion-proof helmet, comprising a protective helmet body (1), an inner lining (11) being provided on the inner side of the helmet body (1), a transparent mask (2) being provided at the front end, a fixing strap (3) being provided at the front bottom end, and a neck guard (4) being provided at the rear end of the strap (3) for protecting the neck; Features: The helmet body (1) further comprises a central spine (5) disposed at the middle end of the top of the helmet body (1), wherein a plurality of groups of ventilation grooves (51) are disposed at equal intervals in the central spine (5), and at least two groups of ventilation mechanisms (6) are disposed at the left and right ends of the central spine (5), and a group of noise reduction mechanisms (7) capable of reducing noise are disposed at the left and right ends of the helmet body (1).

2. A noise-reducing, breathable explosion-proof helmet according to claim 1, Features: The ventilation mechanism (6) comprises a groove (61), a ventilation port (62) and a slide plate (63); the outer side of the helmet body (1) is provided with the groove (61); one end of the groove (61) is provided with the ventilation port (62) communicating with the interior of the helmet body (1); a slot (611) is provided on one side of the groove (61) close to the ventilation port (62); and the other end of the groove (61) is provided with the slide plate (63); The middle end of the top surface of the slide plate (63) is provided with no less than two groups of ventilation grooves (631), and one end of the top surface close to the slot (611) is provided with a convex strip (632).

3. A noise-reducing, breathable explosion-proof helmet according to claim 1, Features: The noise reduction mechanism (7) comprises an opening and closing opening (71), a turning mechanism (72) and a limiting mechanism (73); a group of opening and closing openings (71) are provided at positions corresponding to the ears at the left and right ends of the helmet body (1); a group of turning mechanisms (72) are hinged at the top of the opening and closing openings (71); and a group of limiting mechanisms (73) are provided at the outer bottom end of the opening and closing openings (71); The flip mechanism (72) comprises a flip plate (721), a convex cylinder (722), a rotating disk (723), a threaded rod (724), a connecting disk (725) and noise reduction cotton (726); the top end of the opening and closing mouth (71) is hingedly connected with the flip plate (721); a group of convex cylinders (722) are provided at the outer middle end of the flip plate (721); a group of rotating disks (723) are provided inside the convex cylinders (722); a group of threaded rods (724) are provided inside the rotating disk (723); the other ends of the threaded rods (724) all penetrate the flip plate (721) and are connected to a group of connecting disks (725); and noise reduction cotton (726) is provided inside the connecting disks (725).

4. A noise-reducing, breathable explosion-proof helmet according to claim 3, Features: The limiting mechanism (73) comprises a fixed seat (731), a limiting plate (732), a spring sheet (733), a paddle (734) and a toggle slot (735); a group of fixed seats (731) are provided at the outer bottom end of the opening and closing mouth (71); a cavity is provided in the fixed seat (731); a group of limiting plates (732) are provided at the top end of the cavity; the bottom end of the limiting plate (732) is connected to the bottom end of the cavity through the spring sheet (733); a group of paddles (734) are provided at the outer middle end of the limiting plate (732); and the middle end of the fixed seat (731) is provided at the toggle slot (735) corresponding to the paddle (734).

5. A noise-reducing, breathable explosion-proof helmet according to claim 4, Features: The limiting plate (732) is in the shape of a letter "7".

6. A noise-reducing, breathable explosion-proof helmet according to claim 3, Features: The noise reduction cotton (726) is in a cylindrical shape, and a groove corresponding to the ear is provided at the middle end.

7. A noise-reducing, breathable explosion-proof helmet according to claim 2, Features: The slide plate (63) can be inserted into the slot (611) via the convex strip (632).

8. A noise-reducing, breathable explosion-proof helmet according to claim 2, Features: A guardrail is provided at the top of the air vent (62).

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