CN213881953U - Wrapping type anti-fogging Bluetooth helmet - Google Patents

Wrapping type anti-fogging Bluetooth helmet Download PDF

Info

Publication number
CN213881953U
CN213881953U CN202023305085.4U CN202023305085U CN213881953U CN 213881953 U CN213881953 U CN 213881953U CN 202023305085 U CN202023305085 U CN 202023305085U CN 213881953 U CN213881953 U CN 213881953U
Authority
CN
China
Prior art keywords
main
liner
helmet
bluetooth
headgear
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202023305085.4U
Other languages
Chinese (zh)
Inventor
张汉荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Hanqiang Auto Parts Co ltd
Original Assignee
Shanghai Hanqiang Auto Parts Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Hanqiang Auto Parts Co ltd filed Critical Shanghai Hanqiang Auto Parts Co ltd
Priority to CN202023305085.4U priority Critical patent/CN213881953U/en
Application granted granted Critical
Publication of CN213881953U publication Critical patent/CN213881953U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Helmets And Other Head Coverings (AREA)

Abstract

The utility model provides a fog bluetooth helmet is prevented to parcel formula belongs to motorcycle protective equipment technical field for solve the problem that most current bluetooth helmet easily hazed, the security is poor. The headset comprises a main body assembly and a headset body assembly, wherein the headset body assembly is arranged inside the main body assembly, the main body assembly comprises a main shell, the main shell is provided with a vent, two sides of the main shell are provided with mounting seats, transparent masks are arranged on the mounting seats, the headset body comprises a headset main body, a filter cover is arranged on the headset main body, the filter cover is of a four-layer composite structure and sequentially comprises a filter cloth layer, an activated carbon layer, a water absorption cotton layer and a filter cloth layer from outside to inside, and a Bluetooth assembly is arranged on the rear side of the main shell; the utility model discloses can wrap up user's neck portion, improve thermal insulation performance, guarantee the interior drying of helmet simultaneously, prevent the fog to reduce the inspiratory harmful substance of user through filtration and absorption, adaptable different air condition, the bluetooth merit modularization of helmet is installed in the helmet, guarantees the wholeness and the security of helmet.

Description

Wrapping type anti-fogging Bluetooth helmet
Technical Field
The utility model belongs to the technical field of the motorcycle protective equipment, a bluetooth helmet, especially a fog bluetooth helmet is prevented to parcel formula is related to.
Background
The motorcycle helmet is a kind of head protective equipment used for driver and passenger of motorcycle, the main function of the equipment is to protect the head of passenger when it is impacted, prevent or reduce the hurt or even save the life of passenger; the Bluetooth helmet meets the requirement that a user safely uses the mobile phone communication function in the riding process; in winter, the temperature is low, the temperature difference between the interior of the helmet and the outside air is large, hot air exhaled by a user in the helmet is easy to attach to a helmet mask or an eyepiece, and then water mist is generated to shield the sight of the user, so that huge potential safety hazards are caused; the traditional solution is to apply antifogging oil, but the antifogging oil has short duration and needs to be applied repeatedly; the existing anti-fogging helmet mostly uses a fan to draw out water vapor in the helmet or uses an electric heating mechanism to heat a mask or an eyepiece, and the technical scheme can greatly increase the complexity of the helmet structure, improve the manufacturing cost, destroy the integrity of the helmet structure and reduce the safety of the helmet;
through retrieval, as disclosed in chinese patent literature, an anti-fogging helmet [ application No.: CN 201520917449.4; publication No.: CN205093658U ]. An air pump is arranged between a shell and a protective pad of the anti-fogging helmet, an air outlet device is arranged on the inner wall of the shell of the helmet, a power supply end of the air pump is connected to a battery on the shell of the helmet through a normally open contact of a relay, and temperature sensors are arranged on the outer surface of the shell of the helmet and the protective pad; although this anti-fogging helmet can prevent fogging of the helmet windshield, the structure itself is too complicated, and structural integrity as a head protector is lost, and safety is poor.
Based on this, we propose a wrapped anti-fogging bluetooth helmet that is structurally sound.
SUMMERY OF THE UTILITY MODEL
The utility model aims at having the above-mentioned problem to current technique, provided a fog bluetooth helmet is prevented to parcel formula, the technical problem that the device will solve is: how to prevent to produce the water smoke in the bluetooth helmet, guarantee the security.
The purpose of the utility model can be realized by the following technical proposal:
the utility model provides a fog bluetooth helmet is prevented to parcel formula, including main part subassembly and headgear subassembly, headgear subassembly detachably sets up the inside at main part subassembly, main part subassembly includes the main casing body, main casing body both sides are equipped with the vent of two symmetries, main casing body both sides are rotated and are provided with the mount pad of two symmetries, the joint has transparent face guard between two mount pads, main casing internal portion is provided with inside lining subassembly, headgear subassembly includes the headgear main part, headgear main part front side is seted up the window, headgear main part front side is equipped with the filter mantle, the filter mantle is located the window downside, the filter mantle is four layers composite construction, from outer to interior filter cloth layer that is in proper order, activated carbon layer, cotton layer and filter cloth layer absorb water, main casing internal portion rear side.
The utility model discloses a theory of operation is: the user opens the Bluetooth component, the mobile phone is connected with the Bluetooth component through Bluetooth, the user wears the headgear component on the head, the headgear component wraps the head of the user from the top to the neck completely after wearing, the window is positioned on the front side of the eyes of the user, the filter cover is positioned on the front side of the nose part of the user, the user wears the main body component, the main body component is connected and fixed with the headgear component, in the riding process, the user can receive the phone call and other operations through the Bluetooth component, the riding safety is ensured, the transparent mask plays the role of wind and dust prevention, the realization of the user is prevented from being influenced by the external environment, the riding safety is ensured, the filter cloth layer in the filter cover filters and blocks tiny impurities such as dust and the like in the air, the active carbon layer adsorbs harmful ingredients in the air, the water absorption cotton layer absorbs the moisture in the humid hot gas exhaled by the user, and the moisture in the gas exhaled by the user is prevented from contacting the transparent mask to generate water mist, thereby influence the user sight, the user wears the headgear subassembly for a long time and can lead to temperature and humidity higher in the main part subassembly, and the vent can be put through main casing body and outside air circumstance, under the prerequisite that does not influence the heat preservation condition, guarantees to ride in-process main casing body inside air continuous circulation to prevent that main casing body inside air humidity is too big, and then prevent to produce water smoke on the transparent face guard.
The inside lining subassembly includes the top liner, and the top liner is established in main casing internal portion upper end, and top liner lower extreme is equipped with the magic and pastes the matte, and headgear main part upper end is equipped with the magic and pastes the hook face, and the magic is pasted the matte and is pasted the hook face with the magic and bond, and headgear main part lower extreme is equipped with elastic band limit, and main casing inboard front end slides and is provided with the goggles, and the goggles lower extreme is equipped with the silver that absorbs water.
Structure more than adopting, main casing body and headgear main part paste the matte through the magic and paste the hook face with the magic and realize detachable fixed connection, guarantee wearing the stability of in-process main part subassembly and headgear subassembly, user's wearing stability has been ensured, elastic binding limit tightens up the port under the headgear main part after the user wears the headgear main part, guarantee the warmth retention, the goggles provides extra eye protection for the user at the in-process of riding, the washing water silver can absorb the moisture of production such as sweat that the user face produced, guarantee the inside drying of main casing body, prevent the fog.
The inside lining subassembly still includes rear portion liner and anterior liner, rear portion liner tip is established at main casing inside rear end, anterior liner tip detachably fixes at main casing inboard front end, connect through the top liner between anterior liner and the rear portion liner, the inside both sides of main casing are equipped with the lateral part liner of two symmetries, the lateral part liner is the L type, the inside both sides of main casing are fixed with the extension liner of two symmetries, be equipped with the bandage on the extension liner, be equipped with the letter buckle on the bandage, a bandage tip is equipped with buckle male end, another bandage tip is equipped with the buckle female end.
Structure more than adopting, when wearing, anterior liner cladding user's head forehead, rear portion liner cladding user head rear side, two lateral part liners are contradicted in user's cheek both sides, and the L type makes the lateral part liner can not oppress user's ears, has guaranteed when improving wearing stability and has used the travelling comfort, and the user is through the length that two bandages were adjusted to the letter buckle, fixes main part assembly at the head through the joint of buckle public end and buckle female end.
The headgear main part adopts to prevent wind to grab fine hair material and makes, and the inside sponge that adopts of lateral part liner makes, and lateral part liner outside surface adopts the sandwich screen cloth to make, and the bluetooth subassembly includes speaker and microphone, and the speaker is located main casing inside rear end, and the microphone is located main casing inboard side, and main casing internal portion is fixed with the buffering casing, and the buffering casing is located between main casing and the inside lining subassembly.
Structure more than adopting, prevent wind and grab the fine hair material and have better windbreak nature, prevent wind in addition and grab the fine hair material light wear-resisting, and be difficult for absorbing water, be applied to the headgear main part and be the performance that can effectively improve the headgear subassembly, it is dirty to make the headgear main part be resistant, easily manage, and possess splendid cold-proof effect, the design that the speaker is located main casing body rear end is compared and can be guaranteed the user in earphone and to the receipt of outside sound, the security is high, when bumping, the impact is transmitted to buffering casing via main casing body, buffering casing just can be used in user's head to the impact after absorbing.
Compared with the prior art, this antifogging bluetooth helmet of parcel formula has following advantage:
1. through main part subassembly and headgear subassembly cooperation, with user's neck portion parcel, improved thermal insulation performance under the prerequisite that does not influence the user and realize and helmet security performance, guarantee the drying in the helmet through vent and absorbent cotton simultaneously, effectively prevent to haze.
2. Through the cooperation of filter mantle and headgear main part, reduce the harmful substance of user's inhalation through filtration and absorption, can effectively adapt to different air conditions.
3. Through main part subassembly and the cooperation of bluetooth subassembly, bluetooth function passes through the modularization and installs on the helmet, has guaranteed the wholeness of the main casing body, and then has guaranteed whole security.
Drawings
Fig. 1 is a schematic side view of the present invention;
fig. 2 is a schematic side view of the middle head cover assembly of the present invention;
FIG. 3 is a schematic bottom view of the middle subassembly of the present invention;
in the figure: 1-body component, 101-main shell, 102-vent, 103-goggle, 104-tampon, 105-mount, 106-transparent face mask, 2-liner component, 201-side liner, 202-rear liner, 203-front liner, 204-extension liner, 205-strap, 206-herringbone buckle, 207-buckle male end, 208-buckle female end, 209-magic suede, 3-headgear component, 301-headgear body, 302-elastic binding edge, 303-filter cover, 304-magic hook face, 4-bluetooth component.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Referring to fig. 1-3, the present embodiment provides a wraparound anti-fogging bluetooth helmet, including a main body assembly 1 and a headgear assembly 3, the headgear assembly 3 is detachably disposed inside the main body assembly 1, the main body assembly 1 includes a main housing 101, two symmetrical ventilation openings 102 are disposed on two sides of the main housing 101, two symmetrical mounting seats 105 are rotatably disposed on two sides of the main housing 101, a transparent mask 106 is clamped between the two mounting seats 105, a lining assembly 2 is disposed inside the main housing 101, the headgear assembly 3 includes a headgear main body 301, a window is disposed on a front side of the headgear main body 301, a filter cover 303 is disposed on a front side of the headgear main body 301, the filter cover 303 is located on a lower side of the window, the filter cover 303 is a four-layer composite structure, a filter cloth layer, an activated carbon layer, a water absorption cotton layer and a filter cloth layer are sequentially disposed from outside to inside, and a bluetooth assembly 4 is disposed on a rear side inside the main housing 101;
the user opens the Bluetooth component 4, connects the mobile phone with the Bluetooth component 4 through Bluetooth, the user wears the headgear component 3 on the head, wears the rear headgear component 3 to completely wrap the head to the neck of the user, the window is positioned on the front side of the eyes of the user, the filter cover 303 is positioned on the front side of the nose and mouth of the user, the user wears the main body component 1, the main body component 1 is fixedly connected with the headgear component 3, in the riding process, the user can answer the phone call and the like through the Bluetooth component 4, the riding safety is ensured, the transparent mask 106 plays the role of wind prevention and dust prevention, the realization of the user is prevented from being influenced by the external environment, the riding safety is ensured, the filter cloth layer in the filter cover 303 filters and blocks tiny sundries such as dust in the air, the active carbon layer adsorbs harmful ingredients in the air, the water absorption cotton layer absorbs the moisture in the humid hot air exhaled by the user, the moisture in the water mist exhaled air of the user is prevented from contacting the transparent mask, thereby influence the user's sight, the user wears headgear assembly 3 for a long time and can lead to temperature and humidity higher in the main part subassembly 1, and vent 102 can be with main casing body 101 and outside air circumstance switch-on, under the prerequisite that does not influence the heat preservation condition, guarantees to ride in-process main casing body 101 inside air and continuously circulates to prevent that main casing body 101 inside air humidity is too big, and then prevent to produce water smoke on the transparent face guard 106.
The lining component 2 comprises a top lining, the top lining is arranged at the upper end inside the main shell 101, the lower end of the top lining is provided with a magic paste suede 209, the upper end of the head sleeve main body 301 is provided with a magic paste hook face 304, the magic paste suede 209 is adhered with the magic paste hook face 304, the lower end of the head sleeve main body 301 is provided with an elastic binding edge 302, the front end of the inner side of the main shell 101 is provided with a pair of goggles 103 in a sliding mode, and the lower end of each goggle 103 is provided with a water absorption cotton sliver 104;
main casing body 101 and headgear main part 301 pass through magic tape matte 209 and magic tape hook face 304 and realize detachable fixed connection, guarantee wearing in-process main part subassembly 1 and headgear assembly 3's stability, user's wearing stability has been ensured, elastic band limit 302 tightens up headgear main part 301 port down after the user wears headgear main part 301, guarantee the warmth retention, goggles 103 provides extra eye protection for the user at the in-process of riding, the moisture that sweat etc. that the washing water silver 104 can absorb the facial production of user, guarantee the inside drying of main casing body 101, prevent fogging.
The lining assembly 2 further comprises a rear liner 202 and a front liner 203, the end part of the rear liner 202 is arranged at the rear end of the inner side of the main shell 101, the end part of the front liner 203 is detachably fixed at the front end of the inner side of the main shell 101, the front liner 203 and the rear liner 202 are connected through a top liner, two symmetrical lateral liners 201 are arranged at two sides in the main shell 101, the lateral liners 201 are L-shaped, two symmetrical extension liners 204 are fixed at two sides in the main shell 101, a binding band 205 is arranged on the extension liners 204, a Chinese character 'ri' shaped buckle 206 is arranged on the binding band 205, the end part of one binding band 205 is provided with a buckle male end 207, and the end part of the other binding band 205 is provided with a buckle female end 208;
when wearing, the forehead of the head of the user is wrapped by the front liner 203, the back of the head of the user is wrapped by the back liner 202, the two side liners 201 are abutted to two sides of the cheek of the user, the L-shaped pads 201 do not press two ears of the user, the wearing stability is improved, the use comfort is guaranteed, the user adjusts the length of the two straps 205 through the Chinese buckle 206, and the main body assembly 1 is fixed on the head through the clamping of the buckle male end 207 and the buckle female end 208.
The headset main body 301 is made of windproof fleece materials, the side liner 201 is made of sponge, the outer side surface of the side liner 201 is made of sandwich mesh cloth, the bluetooth assembly 4 comprises a loudspeaker and a microphone, the loudspeaker is located at the rear end of the inner side of the main shell 101, the microphone is located at the side end of the inner side of the main shell 101, a buffer shell is fixed inside the main shell 101 and located between the main shell 101 and the lining assembly 2;
prevent wind and grab fine hair material and have better windbreak nature, prevent wind in addition and grab the fine hair material light wear-resisting, and be difficult for absorbing water, be applied to headgear main part 301 and be the performance that can effectively improve headgear subassembly 3, make headgear main part 301 dirty resistant, easily manage, and possess splendid cold-proof effect, the design that the speaker is located main casing body 101 rear end is compared and can be guaranteed the user in the earphone and to the receipt of outside sound, the security is high, when bumping, the impact transmits to buffering casing via main casing body 101, buffering casing just can be used in user's head to the impact after absorbing.
In this embodiment, the above-mentioned fixing manners are all the simplest common fixing manners in the art, such as clamping; in this embodiment, the electrical devices such as speakers are all prior art products, and can be purchased and used directly, and detailed descriptions of specific principles are omitted.
The utility model discloses a theory of operation:
the user opens the Bluetooth component 4, connects the mobile phone with the Bluetooth component 4 through Bluetooth, the user wears the headgear component 3 on the head, wears the rear headgear component 3 to completely wrap the head to the neck of the user, the window is positioned on the front side of the eyes of the user, the filter cover 303 is positioned on the front side of the nose and mouth of the user, the user wears the main body component 1, the main body component 1 is fixedly connected with the headgear component 3, in the riding process, the user can answer the phone call and the like through the Bluetooth component 4, the riding safety is ensured, the transparent mask 106 plays the role of wind prevention and dust prevention, the realization of the user is prevented from being influenced by the external environment, the riding safety is ensured, the filter cloth layer in the filter cover 303 filters and blocks tiny sundries such as dust in the air, the active carbon layer adsorbs harmful ingredients in the air, the water absorption cotton layer absorbs the moisture in the humid hot air exhaled by the user, the moisture in the water mist exhaled air of the user is prevented from contacting the transparent mask, thereby influence the user's sight, the user wears headgear assembly 3 for a long time and can lead to temperature and humidity higher in the main part subassembly 1, and vent 102 can be with main casing body 101 and outside air circumstance switch-on, under the prerequisite that does not influence the heat preservation condition, guarantees to ride in-process main casing body 101 inside air and continuously circulates to prevent that main casing body 101 inside air humidity is too big, and then prevent to produce water smoke on the transparent face guard 106.
In conclusion, the main body component 1 is matched with the head sleeve component 3 to wrap the head and the neck of a user, so that the heat preservation performance is improved on the premise of not influencing the safety performance of the user and the helmet, and meanwhile, the ventilation opening 102 and the absorbent cotton ensure the dryness in the helmet, thereby effectively preventing fogging; by matching the filter cover 303 with the head cover main body 301, harmful substances inhaled by a user are reduced by filtering and adsorbing, and different air conditions can be effectively adapted; through main part subassembly 1 and the cooperation of bluetooth subassembly 4, bluetooth function passes through the modularization and installs on the helmet, has guaranteed main casing body 101's an organic whole nature, and then has guaranteed whole security.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims (4)

1. The utility model provides a parcel formula prevents hazing bluetooth helmet, including main part subassembly (1) and headgear subassembly (3), a serial communication port, headgear subassembly (3) detachably sets up the inside at main part subassembly (1), main part subassembly (1) is including main casing body (101), main casing body (101) both sides are equipped with vent (102) of two symmetries, main casing body (101) both sides are rotated and are provided with mount pad (105) of two symmetries, transparent face guard (106) have been connected to the joint between two mount pad (105), main casing body (101) inside is provided with inside lining subassembly (2), headgear subassembly (3) are including headgear main part (301), headgear main part (301) front side is opened and is equipped with the window, headgear main part (301) front side is equipped with filter mantle (303), filter mantle (303) are located the window downside, filter mantle (303) are four layers composite construction, from outside to inside in proper order for filter cloth layer, the, Activated carbon layer, cotton layer and the filter cloth layer of absorbing water, the inside rear side of main casing body (101) is equipped with bluetooth subassembly (4).
2. The wraparound anti-fogging Bluetooth helmet according to claim 1, wherein the lining assembly (2) comprises a top liner, the top liner is arranged at the upper end inside the main shell (101), a magic tape velvet surface (209) is arranged at the lower end of the top liner, a magic tape hook surface (304) is arranged at the upper end of the head cover main body (301), the magic tape velvet surface (209) is adhered to the magic tape hook surface (304), an elastic binding edge (302) is arranged at the lower end of the head cover main body (301), a visor (103) is slidably arranged at the front end inside the main shell (101), and a water absorption cotton sliver (104) is arranged at the lower end of the visor (103).
3. The wraparound anti-fogging Bluetooth helmet of claim 2, liner subassembly (2) still include rear portion liner (202) and anterior liner (203), rear portion liner (202) tip is established at main casing body (101) inboard rear end, anterior liner (203) tip detachably fixes at main casing body (101) inboard front end, connect through the top liner between anterior liner (203) and rear portion liner (202), main casing body (101) inside both sides are equipped with lateral part liner (201) of two symmetries, lateral part liner (201) are the L type, main casing body (101) inside both sides are fixed with extension liner (204) of two symmetries, be equipped with bandage (205) on extension liner (204), be equipped with japanese letter knot (206) on bandage (205), one bandage (205) tip is equipped with buckle male end (207), another bandage (205) tip is equipped with buckle female end (208).
4. The wraparound type anti-fogging Bluetooth helmet according to claim 3, wherein the headgear main body (301) is made of windproof fleece material, the side portion pad (201) is made of sponge, the outer side surface of the side portion pad (201) is made of sandwich mesh cloth, the Bluetooth module (4) comprises a speaker and a microphone, the speaker is located at the rear end of the inner side of the main shell (101), the microphone is located at the side end of the inner side of the main shell (101), a buffer shell is fixed inside the main shell (101), and the buffer shell is located between the main shell (101) and the lining module (2).
CN202023305085.4U 2020-12-31 2020-12-31 Wrapping type anti-fogging Bluetooth helmet Expired - Fee Related CN213881953U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023305085.4U CN213881953U (en) 2020-12-31 2020-12-31 Wrapping type anti-fogging Bluetooth helmet

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023305085.4U CN213881953U (en) 2020-12-31 2020-12-31 Wrapping type anti-fogging Bluetooth helmet

Publications (1)

Publication Number Publication Date
CN213881953U true CN213881953U (en) 2021-08-06

Family

ID=77106952

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023305085.4U Expired - Fee Related CN213881953U (en) 2020-12-31 2020-12-31 Wrapping type anti-fogging Bluetooth helmet

Country Status (1)

Country Link
CN (1) CN213881953U (en)

Similar Documents

Publication Publication Date Title
US7523750B2 (en) Breathing respirator
CN210445821U (en) Eye, mouth and nose protective cap for wind stranguria
CN213881953U (en) Wrapping type anti-fogging Bluetooth helmet
CN207898588U (en) A kind of Multipurpose hand screen
CN206596711U (en) A kind of motorcycle crash helmet for being equipped with fog-proof lens
CN214432200U (en) Solar active air filtering helmet
CN214550714U (en) Breathing protection device
CN212994588U (en) Cup-shaped mouth cover
CN212814476U (en) Ear tightening-free cool mask with filtering and ventilating structure
CN211672580U (en) Integrated mask for chemical engineering experiments
CN214807985U (en) Novel dust mask
CN210813589U (en) Protective mask for spraying glass products
CN209950437U (en) Half-body integrated protection device
CN211023485U (en) Novel welding face guard
CN214103345U (en) Mask with disposable mask sheath
CN220529337U (en) Cool mask with dustproof structure
CN208552903U (en) A kind of high efficiency filter protection oxygenation mask
CN214633447U (en) Novel protective mask
CN212756877U (en) Mask convenient to breathe and provided with anti-fog structure
CN220694449U (en) Water repellent camouflage mask
CN218790711U (en) Mask capable of preventing fogging
CN212728900U (en) Novel respiratory protective mask
CN217609670U (en) Medical novel antifog gas gauze mask
CN214912808U (en) Mask used in high-temperature environment
CN213247069U (en) Medical mask with communication function based on PAPR technology

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210806

Termination date: 20211231