CN212548003U - Helmet cover for protecting novel coronavirus - Google Patents

Abstract

The utility model discloses a helmet cover capable of protecting novel coronavirus, which comprises a helmet and a goggle lens rotationally connected with the helmet, wherein a filtering face mask connected with the helmet through a silica gel rope is arranged inside the helmet, the filtering face mask comprises a filter cotton receiving seat and a filter disc, the filter cotton receiving seat comprises a silica gel cover with a cross section of a nearly triangular structure and a filter disc cover, and corners and three sides of the silica gel cover are all set into arcs and can be matched with the radian of a human face; the filter disc is arranged between the silica gel cover and the filter disc cover. The bottom end of the silica gel cover and the filter sheet cover are both provided with meshes, and the outer side of the helmet is also provided with a silica gel rope adjusting device. Compared with the prior art, the utility model discloses an at the inside filtering face guard that increases removable filter element of helmet, combine the goggles lens on the helmet to realize the novel coronavirus of separation and propagate, and the filter element is removable, realizes helmet cover resource reuse, plays certain guard action to ordinary people.

Description

Helmet cover for protecting novel coronavirus

Technical Field

The utility model relates to a helmet, in particular to a helmet cover capable of protecting novel coronavirus.

Background

The diseases caused by the novel coronavirus infection are collectively called novel coronavirus diseases, mainly manifested by pneumonia, and are called novel coronavirus pneumonia.

The novel coronavirus is mainly transmitted through the following 3 routes. Direct propagation: the patient sneezes, coughs and speaks droplets, and the exhaled air is directly inhaled by contacting with the patient in a close distance; aerosol transmission: the patient's spray mixes in the air, forming an aerosol, which causes infection after inhalation; contact propagation: the spray is deposited on the surface of the article, and after contacting the polluted hand, the spray contacts the mucous membrane of the oral cavity, the nasal cavity and the eyes to cause infection.

Because of the high infectivity of the novel coronavirus, medical personnel are required to adopt two-level or more protection when engaging in diagnosis and treatment activities, wear disposable working caps, goggles or protective face screens, medical protective masks (N95), protective clothing and the like. For the common people, the mask is mainly worn to prevent virus, the protection effect is still urgently needed to be improved, and in addition, the vast majority of door masks cannot be repeatedly used, so that the medical mask on the market is short of materials, and the common people cannot obtain safety guarantee.

Disclosure of Invention

The purpose of the invention is as follows: to the problem that exists among the prior art, the utility model provides a can protect helmet shield of novel coronavirus through the filtering face mask that increases removable filter disc inside the helmet, combines the goggles lens on the helmet to realize the novel coronavirus of separation and propagates, and the filter disc is removable, realizes helmet shield resource reuse, plays certain guard action to ordinary people.

The technical scheme is as follows: the utility model provides a novel coronavirus of protection helmet cover, connect the goggles piece on the helmet including helmet and rotation, its characterized in that, helmet inside is provided with a filtering face guard of connecting through the silica gel rope, filtering face guard includes that the filter pulp accepts seat and removable filter element, the filter pulp accepts the seat and includes that the cross-section is the silica gel cover and the filter element lid of nearly triangle-shaped structure, three angles and trilateral of silica gel cover all set the arc to, can match with people's face radian and all be provided with the mesh on its bottom and the filter element lid, the filter element lid with the silica gel cover bottom passes through the buckle lock, the filter element sets up between silica gel cover bottom and filter element lid.

Furthermore, a silica gel rope adjusting device is further arranged on the outer side of the helmet.

Furthermore, the adjusting device comprises a knob which is rotatably connected to the helmet, a support post which is fixed in the knob and used for winding a silica gel rope, a blocking piece which is fixed at one end of the support post and a return spring which is connected between the knob and the blocking piece, wherein the lower end of the knob is inwards sunken to form a concave ring, and external threads are arranged on the outer side of the knob at the upper end of the concave ring; a through hole is formed in the helmet corresponding to the knob, the knob can be inserted into the through hole, a blocking piece of the knob is positioned on the inner side of the helmet, a limiting ring is arranged on the inner wall of the through hole, and an internal thread is arranged on one side, close to the knob, of the limiting ring and can be in threaded connection with an external thread on the outer side of the knob; the knob at the lower end of the concave ring is also provided with a bulge which can be clamped with the limiting ring, and when the reset spring resets, the bulge is clamped with the limiting ring.

Further, the reset springs are arranged into 3 pieces and evenly distributed between the knob and the blocking piece.

Furthermore, the limiting ring is arranged to be of a right-angled triangle structure, an internal thread is arranged on a right-angled edge of the limiting ring close to the knob, and a bevel edge of the limiting ring can be clamped with one edge of the protrusion.

Furthermore, the shape of the filter cover is the same as that of the bottom of the silica gel cover, holes are formed in the positions, close to the three corners, of the filter cover, and the silica gel rope penetrates through the holes to be fixed on the filter cover.

Further, the depth of the silica gel cover is 3-6 cm.

Further, the filter disc adopts N95 protection standard filter cotton.

Has the advantages that:

1. the utility model discloses helmet cover can satisfy ordinary people's daily repeated repetitious usage, can resist pneumonia virus to a certain extent, prevents that the virus secondary from spreading. Meanwhile, the panic feeling that common people cannot buy the mask due to the lack of materials such as the mask can be relieved. Provides a certain protection effect for blocking the spread and further development of epidemic situation. The product can be used for multiple times only by purchasing one product per person, and is a necessary good product for home and outing for virus prevention.

2. The utility model discloses an increasing the filter mask inside the helmet, the filter element in the filter mask sets up to removable, can improve product utilization like this, only need to change the filter element can, save the resource.

3. The utility model discloses a set up adjustable device on the helmet cover, adjust the length of silica gel rope through adjusting device, make the helmet cover applicable in various ordinary people on the market like this, can adjust silica gel rope length according to the specific face size of user for the better attached in people's face of face guard plays better guard action.

4. The utility model discloses use silica gel cover and filter element lid as the filter pulp and accept the seat, the filter element is placed between silica gel cover and filter element lid like this, during the change, only need take off the filter element lid from the buckle, separately along the silica gel rope, after changing the filter element again with silica gel cover and filter element lid close can, conveniently change the filter element. And the silica gel cover can be laminated with the human face for use, and is safer.

5. The utility model discloses a silica gel rope has elasticity, when with the contact of people's face, is difficult to produce and reines in the trace, and is more comfortable.

Drawings

FIG. 1 is a diagram of a helmet shield for protecting against coronavirus according to the present invention;

FIG. 2 is a front view of the helmet cover for protecting against the novel coronavirus of the present invention;

FIG. 3 is a sectional view of the knob structure of the helmet cover for protecting against the novel coronavirus according to the present invention;

fig. 4 is a schematic view of a filtering face mask construction.

1-helmet, 101-spacing ring, 2-goggles, 3-filtering mask, 301-filter, 302-filter cotton bearing seat, 3021-silica gel cover, 3022-filter cover, 303-mesh, 304-hole, 4-silica gel rope, 5-knob, 501-column, 502-concave ring, 503-bulge, 504-reset spring, 505-catch.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The utility model discloses a novel coronavirus of protection helmet cover, connect and helmet 1 on the goggle lens 2 including helmet 1 and rotation, this goggle lens 2 is the same with general helmet 1 on the market on goggle lens 2, and goggle lens 2 can adopt UV400 PC space lens, and its excellent characteristic is by wide application in the aerospace industry, so called "space piece" again. The eye protection lens 2 is hinged with the helmet body part of the helmet 1, and when the eye protection lens 2 can prevent dust and spray in the air from directly entering eyes, the eyes of a user can be effectively protected from being damaged by ultraviolet rays and wind.

Helmet 1 is inside to be provided with a filtering face guard 3, filtering face guard 3 passes through silica gel rope 4 and connects the inboard at helmet 1, filtering face guard 3 includes that the filter pulp accepts seat 302 and filter 301, the filter pulp accepts seat 302 and includes that the cross-section is nearly triangle-shaped structure's silica gel cover 3021 and filter lid 3022, silica gel cover 3021 bottom is equipped with mesh 303, the arc is all set to three angle and the trilateral of silica gel cover 3021, can match with people's face radian, the buckle lock is passed through with silica gel cover 3021 bottom to filter lid 3022, see fig. 4. The filter 301 is arranged between the bottom of the silica gel cover 3021 and the filter cover 3022, the shape of the filter cover 3022 is the same as the shape of the bottom of the silica gel cover 3021 (both are arranged in a nearly triangular structure), and the filter cover 3022 is also provided with meshes 303. Because the section of the silica gel cover 3021 is a nearly triangular structure, and the corners and three sides of the silica gel cover 3021 are both arc-shaped and can be matched with the radian of the face of a person, the bottom of the silica gel cover 3021 can also be triangular, and the shape of the filter cover 3022 is the same as the shape of the bottom of the silica gel cover 3021. In the present embodiment, the depth of the silicone cap 3021 is 3 to 6cm, see fig. 4. This embodiment is through buckle lock filter cover 3022 and silica gel cover 3021, and filter 301 places between filter cover 3022 and silica gel cover 3021 like this, and during the change, only need take filter cover 3022 off the buckle, parts along silica gel rope 4, change filter 301 after again with filter cover 3022 and silica gel cover 3021 together can, conveniently change filter 301. The buckle used in this embodiment is a common buckle in the market, for example, a plastic threaded ring is fixed at the bottom of the silica gel cover 3021, a threaded ring is also arranged on the inner side wall of the filter cover, and the silica gel cover 3021 and the filter cover 3022 are pressed or screwed to realize the fastening of the threaded rings.

The outer side of the helmet 1 is also provided with a silica gel rope 4 adjusting device. The adjusting devices are positioned on two sides of the helmet 1 and are arranged in pairs. Including rotatable connection in the knob 5 of helmet 1, be fixed in the pillar 501 that is used for winding the silica gel rope 4 in the knob 5, be fixed in the separation blade 505 of pillar 501 one end and connect the reset spring 504 between knob 5 and separation blade 505, knob 5 sets up to be hollow, pillar 501 one end is fixed on knob 5, the other end passes knob 5 and is fixed with a separation blade 505, separation blade 505 is located helmet 1 inboard, set up a pair of through-hole in the position that helmet 1 and knob 5 correspond, knob 5 passes the through-hole, separation blade 505 is fixed on pillar 501, therefore, knob 5 can rotate to be connected on helmet 1. The lower end (the end close to the helmet 1) of the knob 5 is inwards sunken to form a concave ring 502, and the outer side of the knob 5 at the upper end of the concave ring 502 is provided with an external thread. And a limiting ring 101 is arranged on the inner wall of the through hole of the helmet 1, and the limiting ring 101 is close to the side wall of the upper end of the through hole. The limiting ring 101 is provided with an internal thread on one side close to the knob 5, and the internal thread can be in threaded connection with an external thread on the outer side of the knob 5. The knob 5 at the lower end of the concave ring 502 is further provided with a protrusion 503 which can be clamped with the position-limiting ring 101, and when the return spring 504 is reset, the protrusion 503 is clamped with the position-limiting ring 101.

Referring to fig. 3, the knob 5 is hollow, the lower end of the knob is provided with an opening, the upright 501 passes through the opening, and a plurality of return springs 504, 3 return springs 504 in this embodiment, are uniformly distributed between the lower end of the knob 5 and the baffle 505. Located on the circumference of the knob 5, facilitates stabilizing the knob 5.

In this embodiment, the stop collar 101 may be a right triangle as shown in fig. 3, and the cross section thereof is a right triangle, and the inner thread is provided near the right-angle side of the knob 5, and the oblique side thereof may be engaged with one side of the protrusion 503.

In this embodiment, filter 501 adopts the standard filter pulp of N95 protection, is made by non-woven fabrics + heat-seal cotton + N95 filter pulp + non-woven fabrics, and multiple filtration effectively filters PM2.5, can filter most pollen dust. The filtering face mask 3 is internally provided with a replaceable filter disc. Completely accords with the GB 2626-2006 KN95 standard, can be disassembled, can be continuously used for seven days, and can be repeatedly used for a plurality of times. The filtering face mask 3 (silica gel cover 3021) of nearly triangle-shaped structure design refers to human face structure, can perfectly laminate face, satisfies all kinds of crowd's demands, uses silica gel material moreover, and is comfortable when laminating with the people's face, changes the laminating.

In this embodiment, the filter cover 3022 is provided with holes 304 near the three corners, and the silicone cord 4 is fixed to the filter cover 3022 through the holes 304, so that the silicone cord 4 is fixed to the filter cover 3022, and the filter cover 3022 is prevented from falling off from the buckle, and the filter cover 3022 is made of plastic, so that the silicone cord 4 is easily fixed and is not easy to fall off.

In this embodiment, 4 silica gel ropes 4 can be used, also can use two, if use two, then 1 silica gel rope 4 is used respectively to the left and right sides of filtering face guard 3, and after its fifty percent discount, both ends are fixed through hole 305 on filtering face guard 3, and the through-hole on helmet 1 is got into through the gap between separation blade 505 to another fifty percent discount end of silica gel rope 4, twines on stand 501.

The working principle is as follows:

taking helmet 1 overhead, according to the user's demand, adjusting the length of silica gel rope 4 through knob 5, when needs adjust the length, revolving knob 5 soon, unscrewing back with both screws, knob 5 outwards launches under reset spring 504's effect, and arch 503 and spacing ring 101 block on the knob 5 are up to, and knob 5 can not outwards launch again. At this time, the knob 5 is rotated, and the silica gel rope 4 is rotated to the upright column 501, so that the length adjustment is realized. After the regulation, press down knob 5, the external screw thread contact is the fixed that knob 5 realized knob 5 including simultaneously, accomplishes regulation work. Then the filtering face mask 3 is covered at the mouth and the nose of the human face to finish wearing.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (8)

1. A helmet cover for protecting novel coronavirus, which comprises a helmet (1) and a goggle lens (2) rotationally connected to the helmet (1), it is characterized in that a filtering face mask (3) connected with a silica gel rope (4) is arranged in the helmet (1), the filtering face mask (3) comprises a filter cotton bearing seat (302) and a replaceable filter disc (301), the filter cotton bearing seat (302) comprises a silica gel cover (3021) with a nearly triangular cross section and a filter cover (3022), three corners and three sides of the silica gel cover (3021) are all arranged into an arc shape, can be matched with the radian of the face of a person, the bottom of the face of the person and the filter cover (3022) are both provided with meshes (303), the filter cover (3022) is buckled with the bottom of the silica gel cover (3021) through a buckle, the filter disc (301) is arranged between the bottom of the silica gel cover (3021) and the filter disc cover (3022).

2. The helmet cover for protecting against the novel coronavirus according to claim 1, wherein a silicone rope adjusting device is further disposed on the outer side of the helmet (1).

3. The helmet cover for protecting against the novel coronavirus according to claim 2, wherein the adjusting device comprises a knob (5) rotatably connected to the helmet (1), a support column (501) fixed in the knob (5) and used for winding the silica gel rope (4), a blocking piece (505) fixed at one end of the support column (501), and a return spring (504) connected between the knob (5) and the blocking piece (505), wherein the lower end of the knob (5) is recessed inwards to form a concave ring (502), and an external thread is arranged on the outer side of the knob (5) at the upper end of the concave ring (502); a through hole is formed in the helmet (1) at a position corresponding to the knob (5), the knob (5) can be inserted into the through hole, a baffle sheet (505) of the knob is positioned on the inner side of the helmet (1), a limiting ring (101) is arranged on the inner wall of the through hole, and an internal thread is arranged on one side, close to the knob (5), of the limiting ring (101) and can be in threaded connection with an external thread on the outer side of the knob (5); the knob (5) at the lower end of the concave ring (502) is also provided with a bulge (503) which can be clamped with the limiting ring (101), and when the return spring (504) returns, the bulge (503) is clamped with the limiting ring (101).

4. The helmet shield against the new coronavirus according to claim 3, wherein the number of the return springs (504) is 3, and the return springs are uniformly distributed between the knob (5) and the blocking piece (505).

5. The helmet cover for protecting against the novel coronavirus according to claim 3, wherein the stop collar (101) is configured as a right-angled triangle in cross section, and an internal thread is provided at the right-angled side of the stop collar (5), and the oblique side of the stop collar can be engaged with one side of the protrusion (503).

6. The helmet cover for protecting against new coronavirus according to claim 1, wherein the shape of the filter cover (3022) is the same as the shape of the bottom of the silica gel cover (3021), holes (304) are formed in the positions near the three corners, and the silica gel rope (4) is fixed on the filter cover (3022) through the holes (304).

7. The helmet shield against new coronaviruses of claim 1, wherein said silicone cover (3021) has a depth of 3-6 cm.

8. The helmet shield against the new type of coronaviruses of claim 1, wherein said filter (301) is made of N95 standard filter cotton.

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