110 results about "Gas mask" patented technology

The utility model discloses a filter material and a device for filtering or purifying gas and liquid. The utility model relates to a filter material for filtering or purifying gas and liquid. The filter material consists of a felt-like fibrofelt formed by micron-scale polymer fibers, glass fibers, ceramic fibers or metal fibers and an adsorption material positioned in gaps of the fibrofelt or on the fiber surface of the fibrofelt. The filter material disclosed by the utility model can resist impact of high temperature, high pressure and high flow, has good flexibility, can optimize the filtering and purifying effects, can be cut into any required shape and folded into a wave-shaped wrinkle structure or stacked together, and can be used for filtering and purifying. The device has a wide application prospect in the fields of purification of various radioactive gases in gas masks and closed spaces and the like.

The invention provides a gas purification mask and a purification device.The gas purification mask is used for covering at least one part of the mouth and the nose of a wearer and comprises a mask body forming an inner cavity, and the inner cavity is configured to cover at least one part of the mouth and the nose of the wearer; the mask body comprises a front wall located in front of the mouth and the nose and a bottom end side wall located below the mouth and the nose. The soft mask is arranged on the edge, close to one side of the face of the wearer, of the mask body; the air supply part is arranged in the inner cavity of the mask body and introduces external air into the inner cavity; the air supply part is provided with a purified air channel communicating an inner cavity of the mask body with the outside, and an air inlet of the purified air channel is located in the inner cavity of the mask body and faces the front wall of the mask body.

The application provides a gas mask breathing nozzle injection molding equipment and relates to the technical field of gas mask production. The equipment comprises an auxiliary cooling mechanism, a movable material collecting mechanism, a breathing nozzle temporary storage mechanism and an intermittent blocking mechanism. The movable material collecting mechanism is installed on the auxiliary cooling mechanism. The breathing nozzle temporary storage mechanism is installed on the right side of the auxiliary cooling mechanism. The intermittent blocking mechanism is installed on the auxiliary cooling mechanism, the movable material collecting mechanism and the breathing nozzle temporary storage mechanism. A control panel is installed on the front side of the auxiliary cooling mechanism, and the control panel is used for controlling the auxiliary cooling mechanism and the movable material collecting mechanism. The U-shaped mounting seat drives the movable material collecting hopper to move to the front of the injection mold, so that the gas mask breathing nozzle after injection molding can naturally fall into the movable material collecting hopper. The problem that the molded gas mask breathing nozzle cannot be automatically moved to the cooling belt by cooperating with an additional mechanical hand is solved.

The invention discloses a dustproof and anti-poison series labor protection appliance, and particularly relates to a valve cavity isolation anti-return exhaust valve structure. The mask comprises a mask shell, a double-valve-box assembly, an inter-valve isolation cavity, a valve plate positioning nail, an outer valve plate, an outer sealing opening, an inner sealing opening, an inner valve plate, a filter box clamping position and an air filter box. The double-valve-box air exhaust valve is mainly characterized in that a traditional one-way air exhaust valve is replaced with a double-valve-box assembly, an inter-valve isolation cavity is formed between an outer valve plate and an inner valve plate, and dust is blocked through the Venturi effect and the trapping effect of a low-pressure vortex area; even if dust is clamped between the outer valve plate and the outer sealing opening, the dust can be removed during next expiration, and it is guaranteed that no dust is accumulated on the edge of the inner valve plate. The problems that an existing dustproof mask, an existing gas mask and an existing mask with a valve are not tightly closed, exhaust is not smooth, and closing of a valve plate is delayed due to the fact that dust is stuck to a sealing opening are solved, and the protection performance and the wearing comfort are improved.

1. Name of the designed product: half-face respirator. 2. Use of the designed product: for dust and toxic gas protection. 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.

1. Name of the product in this design: Gas mask (double canister half mask - HF820). 2. Purpose of this design: a gas mask for human respiratory protection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model relates to a paint spraying operation frame for supporting a paint spraying gun to spray paint. The paint spraying operation frame comprises a first supporting structure (1); the second supporting structure (2) is supported on one side of the top of the first supporting structure (1) and used for supporting a paint spraying gun; the third supporting structure (3) is supported on the other side of the top of the first supporting structure (1), and the third supporting structure (3) and the second supporting structure (2) are arranged at intervals; the gas mask structure (4) is supported on the third supporting structure (3) and used for being worn for paint mist isolation during paint spraying construction. According to the scheme of the utility model, the operating space for accommodating an operator to perform paint spraying operation can be formed between the second supporting structure and the third supporting structure, and the operator can perform paint spraying operation by holding a paint spraying gun after wearing the gas mask structure in the operating space; therefore, paint mist toxic gas can be effectively prevented from being inhaled to affect body health.

The utility model discloses an anti-poison filter box capable of being freely combined and mounted. The anti-poison filter box comprises a main shell, a filter assembly and a limiting assembly, the main shell is provided with a first end and a second end which are opposite; the outer periphery of the first end and the inner periphery of the second end are provided with matched connecting structures; the filter assemblies are arranged in the main shell, and different filter assemblies in the main shell are used for protecting the same or different harmful gases; the limiting assemblies are fixedly arranged in the main shell and distributed on the side, close to the first end, of the filtering assembly and the side, close to the second end, of the filtering assembly. The anti-poison filter cartridge disclosed by the utility model can be combined in a targeted manner in different use environments, is flexible to use and good in protection effect, and ensures the life safety of a user.

The utility model relates to a three-jaw screwing efficient low-resistance dust and poison filtering element, and belongs to the technical field of improvement of filtering elements of gas masks. The mask is composed of a bottom box assembly and a top box assembly, a grating cavity is formed through a bottom cover grating and a top cover grating of the bottom box assembly and the top box assembly, meanwhile, air enters the grating cavity, is filtered through a filter material and then is gathered in a middle air channel, and then the air enters a mask body through a connector. Under the condition that the size of the filter element is not changed, the air inlet area is doubled, the air suction resistance is reduced by half, and air suction is smoother. The weight and the volume of the filter material bodies of the bottom box assembly and the top box assembly of the filtering device of the filtering element are the same, so that the consumption of the filter material bodies of the bottom box and the top box is almost equal, and the problem that the filter material layers are firstly penetrated by harmful substances to fail due to less filter material on one side and thinned filter material layers is avoided; and the problems that a common filter box only has a cover plate grating for air intake, the air intake area is small, the air suction resistance is large, only the filter box needs to be enlarged if the air intake area needs to be enlarged, and a user feels uncomfortable to wear are solved.

A loudspeaker for a gas mask is composed of a main body, a pickup and a magnetically controlled switch group, is installed on a 40mm standard interface of the gas mask, and does not affect the installation of a gas filter tank. The main body is composed of an upper shell, a lower shell, a loudspeaker, a battery, a circuit board, a heart-shaped microphone, a magnetically controlled switch group and a radio receiving port, a magnetic induction slot group, a radio installation interface, a wire arrangement clamp and a mode control button are arranged outside the shell. A circuit board is installed in the shell and connected with an external wireless power receiving port, and a battery interface is reserved in the circuit board. According to the invention, when the gas mask is only provided with one standard gas defense filter tank interface and is not provided with a special interphone of the model, the gas mask has sound amplification and infinite communication capabilities.

This product is a mask that is worn around the nose of a pet when the pet inhales gases containing hydrogen, oxygen, etc.

The invention relates to a product matched with a police gas mask for special tasks such as special duty and law enforcement, group disturbance and violence and terrorism events and high-risk occasions, in particular to a police anti-riot radial efficient low-resistance canister. The invention relates to a dust filter which comprises a tank body, a filter body, dust filter cloth a, a middle air passage, a base, an upper fixing plate, an annular radial smoke filter layer, a filter layer partition plate, dust filter cloth b and a lower fixing plate, during air suction, air enters from an air inlet hole of the base, is upwards and annularly distributed on the inner wall of the tank body through an interlayer formed by the lower fixing plate and the base, and then radially enters through the annular radial smoke filter layer; after smoke and dust particles in the gas are filtered out, the gas enters the filtering body to filter out toxic and harmful gas, and then the gas enters the mask through the middle gas channel. The structure is compact, wearing is comfortable, and the canister is convenient to store and use. The problems that in the prior art, no special comprehensive gas defense filter tank for police exists, and only an industrial comprehensive gas filter tank is used, so that the service time is short, and the protection effect is poor are solved.

The utility model relates to the technical field of fire-fighting masks, and discloses a fire-fighting escape gas mask which comprises a mask body, a transparent visual window, an inspiration port and an expiration nozzle are sequentially arranged on the front side wall from top to bottom, a sounding nozzle is further arranged at the position, close to the expiration nozzle, of the front side wall, an illuminating lamp is detachably arranged above the mask body, and a fixing belt is detachably arranged on the rear side of the mask body. A storage box is detachably arranged below the mask; the canister is detachably arranged at the air suction port and comprises a canister body, a canister bottom sealing cover and a canister opening sealing cover, the canister bottom sealing cover and the canister opening sealing cover are detachably arranged at the canister bottom and the canister opening of the canister body respectively, and a smoke filtering layer, a first filtering net plate, a first filtering cotton cushion, a medicament layer, a second filtering net plate and a second filtering cotton cushion are sequentially arranged in the canister body from the canister bottom end to the canister opening end. The multi-layer canister has the advantages that the head is comfortable to wear, the canister has a multi-layer canister filtering effect, and the lighting function is achieved.

The invention relates to the technical field of gas mask testing, in particular to a gas mask protection time testing device which comprises a testing box and a testing mechanism. The testing mechanism comprises a first chamber, a switching chamber and a second chamber. The first chamber is connected with the switching chamber through a first piston rod. And the second chamber is connected with the switching chamber through a second piston rod. The first cavity and the second cavity are each provided with a filtering piece and a detecting piece. The detection part is used for detecting whether the gas filtered by the filtering part is toxic or not. According to the gas mask protection time testing device, the first piston rod and the second piston rod are matched, the first cavity and the second cavity are linked, two filtering pieces can be tested at the same time, the testing efficiency is improved, the dynamic process of inspiration and expiration when a human body wears a gas mask can be simulated, and the testing efficiency is improved. And the authenticity and reliability of the test are improved.

The invention discloses a modular combined type gas mask which comprises a mask body (1) used for being attached to the face of a user and forming a closed breathing cavity. The window (2) is fixedly arranged at the front part of the cover body (1) and is used for providing a visual field; the head fixing device (3) is connected to the mask body (1) and used for fixing the mask body (1) to the face of a user; the conversation and breathing module is detachably arranged on the mask body (1) through a standardized interface; the conversation and breathing module is provided with an expiration unit, an inspiration unit and a conversation unit; the expiration unit is used for unidirectionally flowing air in the breathing chamber to the outside; the inspiration unit is used for being connected with external respiration guarantee equipment; the gas mask solves the technical problems that in the prior art, a gas mask cannot be flexibly adapted to multiple scenes, the equipment universality is low and the maintenance and purchase cost is high due to the fact that the gas mask is single in mode, the compatibility of a canister interface is poor and core components cannot be replaced.

The utility model relates to the technical field of safety protection, in particular to a gas mask capable of assisting in breathing, which comprises a mask body, a first breathing port, a filter component and an adjusting component, and the first breathing port is fixedly connected to one side of the mask body; the filtering assembly is arranged in the first breathing opening and used for filtering air entering from the outside, and therefore the gas defense function of the mask is guaranteed; and the adjusting assembly is arranged in the first breathing opening and used for being matched with the filtering assembly for use, and the filtering efficiency of the mask is adjusted according to the use working condition. Compared with the prior art, the problem that the filtering strength cannot be adjusted according to the pollution degree in the air in the prior art is solved.

The utility model relates to the technical field of safety gas defense, in particular to a safety gas mask. Comprising a safety gas mask body, a limiting long groove is formed in the rear side of the safety gas mask body, and a tying belt body is bonded in the limiting long groove; a supporting assembly is fixedly installed on the outer side face of the safety gas mask body, a pressing and reinforcing assembly is slidably installed in the supporting assembly, a positioning assembly is slidably installed in the supporting assembly, a first protection assembly is fixedly installed on the rear side of the supporting assembly, and a second protection assembly is fixedly installed on the rear side of the safety gas mask body. A hanging assembly is movably installed on the outer side face of the safety gas mask body, a first limiting assembly is fixedly installed on the outer side face of the safety gas mask body, a first threaded groove and a second threaded groove are formed in the outer side face of the safety gas mask body, and a second limiting assembly is slidably installed on the outer side face of the safety gas mask body. The technical problems that use is inconvenient and hanging storage is inconvenient are solved.

1. The name of this design product: dust and toxic mask. 2. Purpose of this design product: This design product is intended to be worn by users to protect them from inhaling dust or other possible harmful substances in the air. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The present invention relates to the field of talker structures on gas masks, specifically a talker structure that can be converted into a protective state, comprising a talker body, a talker membrane arranged at the upper rear end of the talker body, an exhalation valve arranged at the lower rear end of the talker body, a displacement fixing frame fixedly arranged in the talker body; a talker cover is arranged at the front end cover of the talker body, and a knob is arranged on the talker cover; a displacement pusher is arranged in the displacement fixing frame; and the talker membrane includes a talker membrane seat that can be sealed with the inner wall of the talker body. The present invention can realize the forward and backward movement of the displacement pusher through the knob, and link the closing and opening between the talker membrane and the talker body, and realize the exchange of airflow inside and outside the mask through the gap between the talker membrane and the talker body, effectively reducing the breathing air resistance. When the mask is worn in a non-protective state, the breathing air resistance of the wearer can be reduced by more than 55%, effectively and quickly discharging the hot waste gas exhaled by the person out of the mask.

The utility model relates to the technical field of gas masks, in particular to a canister adapter for oxygen supplementation and a gas mask, and mainly solves the technical problem that an oxygen supplementation mode of an existing gas mask is poor in universality. The adapter comprises a barrel-shaped body, the inner wall of the barrel-shaped body is divided into an internal thread section and an unthreaded hole section in the axial direction, the diameter of the internal thread section is larger than that of the unthreaded hole section so that a first annular step face can be formed at the joint of the internal thread section and the unthreaded hole section, and the outer wall of the barrel-shaped body is divided into an unthreaded shaft section and an external thread section in the axial direction. The diameter of the optical axis section is larger than that of the external thread section so that a second annular step face can be formed at the joint of the optical axis section and the external thread section, the external thread section corresponds to the unthreaded hole section, the diameter of the internal thread section is equal to that of the external thread section, and the unthreaded hole section is provided with an oxygenating connector communicated with the outside. When in use, the adapter is connected between a canister and a mask body, is connected with an oxygen supplementation device through the oxygen supplementation interface on the adapter, can be suitable for various gas masks, and is high in universality.

1. Name of the product in this design: Packaging box for gas masks. 2. Purpose of this design: The packaging box can protect the gas mask from the influence of the external environment and prevent the mask from being damaged during transportation and storage. 3. The key design elements of this product are the combination of shape, pattern, and color. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. The design for which protection is sought includes color.

The present invention discloses a portable and efficient orchard sprayer, comprising: an air flow propulsion mechanism, a gas supply mechanism, and an electrostatic mechanism; wherein, the air flow propulsion mechanism includes a connecting plate, which forms a confluence with the spray at the outlet of the sleeve housing, thereby improving the diffusion effect of the spray, avoiding the formation of mist droplets due to high spray concentration and affecting the spray effect, making the discharged spray more delicate, and being propelled to a relatively far distance, capable of reaching the back of the leaves; the spray head can be quickly replaced according to the particle size requirements of different sprays, and it can be conveniently carried to orchards in mountains or forests, solving the problem that wheeled sprayers are not convenient to enter, improving the work efficiency of the operators, being more time-saving and labor-saving compared with traditional spray methods, and by setting up a gas supply mechanism for filtration and gas supply, it can provide sufficient air for the gas mask and can be connected to the protective clothing for ventilation, accelerating the evaporation of sweat inside the protective clothing and improving the comfort of work.

1. The name of the design product: packaging box for gas mask (L990). 2. The use of the design product: box for placing gas mask. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best shows the design points: perspective view.

1. Name of the product in this design: Gas mask. 2. Purpose of this design: a dustproof and gasproof face mask. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key features: the front view.

The application discloses a filter box production and assembling machine for gas masks, and relates to the technical field of filter box production, which comprises an electric control turntable, a plurality of workbenches which are arranged around the outer side of the electric control turntable, and a plurality of conveying mechanisms which are arranged on the top of the workbenches and are used for automatically conveying filter boxes; the top of the workbenches is further provided with a filler mechanism, a compaction mechanism and an ultrasonic welding machine; the filter box comprises a plurality of bottom clamping covers which are arranged on the top of one conveying mechanism, a plurality of top clamping covers which are arranged on the top of another conveying mechanism, two cotton filter sheets which are stacked in the interiors of the bottom clamping covers and the top clamping covers after assembly, and activated carbon which is filled between the two cotton filter sheets. The filter box production and assembling machine for gas masks has the effects of high economic benefits, low production cost and high perfection.

The invention relates to the technical field of biochemical protection, in particular to a mask connector base structure for a gas mask, which comprises a tank body, and the inner wall of the tank body is provided with threads to serve as a tank connector for being connected with a gas filter tank; a center hole penetrates through the center of the inner bottom surface of the tank body, a circle of vent holes are formed in the periphery of the center hole, a gasket limiting groove is formed in the edge of the inner bottom surface of the tank body, and a plurality of rectangular grooves are formed in the gasket limiting groove; an air suction valve piece covering the vent hole is installed on the outer side of the bottom face of the tank body through a rivet, and the rivet is fixedly connected to the center hole. The gas mask gasket is reasonable in design, the gasket can be effectively prevented from falling off, the use reliability of a gas mask is improved, the daily guarantee difficulty of the gas mask is reduced, and the gas mask gasket has good practical application value.

1. Name of the product in this design: Medical Gas Mask. 2. Purpose of this design: a gas mask for human respiratory protection. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model. 5. Other situations requiring explanation: Part A is made of transparent material.

The invention relates to the technical field of mold welding, and discloses portable mold welding backpack protection equipment which comprises a backpack body, an air inlet pipeline and an air outlet pipeline are fixed to the top of the backpack body and the top of a liquid storage tank, and the head end of the air outlet pipeline is rotationally connected with an air suction pipeline. The air suction pipeline is communicated with the air outlet pipeline through a third hose, a gas mask is fixed to the head end of the air suction pipeline, titanium alloy pipes are symmetrically fixed to the two sides of the top of the backpack body, and a folding sun shield is rotationally connected between the two titanium alloy pipes. According to the portable mold welding backpack protection equipment, the protection technical defects in the mold welding field are overcome, the health of a mold welding worker is protected to the maximum degree anytime and anywhere, high-risk occupational diseases of the mold welding worker are reduced, conventional protection facilities are broken, and the portable mold welding backpack protection equipment especially has a more obvious effect in aloft work; safety and health of a mold welding worker are guaranteed in an all-around mode, and breathing and lung diseases are reduced.

The invention relates to the technical field of personal protection equipment, in particular to a modular gas mask with high protection reliability, and mainly solves the technical problem that the reliability of a sealing frame and an expiration valve is obviously reduced in the large-amplitude action process of an existing gas mask. The gas mask comprises a mask body, a sealing frame and an expiration valve, the sealing frame is of a closed-loop structure and is arranged on the edge of the inner side of the mask body, the sealing frame is of a double-reverse-folded-edge structure, the double-reverse-folded-edge structure comprises a first folded edge close to the center side and a second folded edge close to the edge side, and the first folded edge and the second folded edge are bent oppositely; the expiration valve comprises a mounting cylinder fixed on the mask body, and the mounting cylinder is provided with an inner valve assembly and an outer valve assembly. The sealing frame of the gas mask can achieve double-sealing protection and is not prone to being separated from the face of a person. Meanwhile, the expiration valve is provided with an inner valve assembly and an outer valve assembly, and the airtight performance of the mask can be improved; through cooperation of the two aspects, the protection reliability of the mask can be maintained in the large-amplitude action process.