CN114733096B - Filtering face-piece respirator dispenser - Google Patents
Filtering face-piece respirator dispenser Download PDFInfo
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- CN114733096B CN114733096B CN202210534028.8A CN202210534028A CN114733096B CN 114733096 B CN114733096 B CN 114733096B CN 202210534028 A CN202210534028 A CN 202210534028A CN 114733096 B CN114733096 B CN 114733096B
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- breathing
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B23/00—Filters for breathing-protection purposes
- A62B23/02—Filters for breathing-protection purposes for respirators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a filter type face mask respirator distributor, which relates to the field of face mask protection and comprises a main body, wherein a front end shell is arranged on the front surface of the main body, a plurality of fixing blocks are arranged on the surface of the main body, wearing ropes are arranged on the surfaces of the left fixing block and the right fixing block, the same elastic rope is arranged on the surfaces of the left wearing rope and the right wearing rope, and breathing and ventilating boxes are arranged on the left side and the right side of the main body. According to the invention, the wearing rope and the elastic rope are arranged, so that the main body can be conveniently worn on the head, the breathing air exchange box is arranged to provide an installation space for the disinfection and filtration mechanism, the silica gel sealing ring is arranged to be better attached to the skin of a human body for sealing, the disinfection and filtration mechanism is arranged to disinfect and filter air entering the main body, and by means of the structure, the inhaled air is disinfected after the main body is worn, so that the protection effect is enhanced.
Description
Technical Field
The present invention relates to the field of face-piece protection, and in particular to a filtering face-piece respirator dispenser.
Background
The product performance structure and the composition of the breathing mask are as follows: the nose mask consists of a main body, a brow support, an elbow, a curved head cover, a soft cushion, a rubber plug, a snap ring, a buckle, a forehead cushion and a head band. The product is not sterilized and is only used by a single patient.
When the existing face mask is used, dust in the air can only be filtered generally, the air cannot be disinfected and sterilized, harmful bacteria enter a human body from the face mask through the air inlet hole, the protective effect of the face mask can be lost, and therefore the existing face mask has certain limitation.
Disclosure of Invention
It is an object of the present application to provide a filtering face-piece respirator dispenser that addresses the problems set forth in the background above.
In order to achieve the above purpose, the present application provides the following technical solutions: filtration formula face guard respirator distributor, comprising a main body, the front of main part is provided with the front end shell, the surface of main part is provided with a plurality of fixed blocks, the left the surface of fixed block with right-hand the surface of fixed block all is provided with wears the rope, controls two the surface of wearing the rope is provided with same bungee cord, the left and right sides of main part all is provided with breathes the draught box, controls two the face of breathing the draught box mutually all is provided with the closing plate, the inner wall of main part is provided with the silica gel sealing washer, the upper surface of breathing the draught box is provided with disinfection filtering mechanism.
Borrow by above-mentioned structure, wear rope, elasticity rope through the setting, be convenient for wear the main part at the head, breathe the ventilation box through setting up, give the space of disinfection filtering mechanism installation, through setting up the silica gel sealing washer, make its better human skin of laminating seal, through setting up disinfection filtering mechanism, will get into the inside air of main part and disinfect filtration treatment.
Preferably, the disinfecting and filtering mechanism comprises a fixing plate arranged on the upper surface of the breathing and ventilating box, a positioning plate is arranged on the upper surface of the sealing plate, the same threaded hole is formed in the surfaces of the fixing plate and the positioning plate, a fixing screw is connected to the inner wall of the threaded hole in a threaded manner, and an air inlet hole is formed in the inner wall of the breathing and ventilating box.
Furthermore, through setting up fixed plate, locating plate, be convenient for fix the set screw, through setting up the fresh air inlet, take a breath the operation.
Preferably, the inner wall of the breathing and ventilating box is provided with an air guide plate, the upper surface of the air guide plate is provided with an installation partition plate, the inner wall of the installation partition plate is provided with an air inlet pipe, one end of the air inlet pipe is provided with an expansion plate, and the surface of the air inlet pipe is provided with a first one-way valve.
Furthermore, the incoming air is guided by arranging the air guide plate, the air inlet pipe is convenient to install and fix by arranging the installation partition plate, and the air is prevented from flowing reversely by arranging the first one-way valve.
Preferably, the inner wall of the respiratory ventilation box is provided with a mounting plate, the upper surface of the mounting plate is provided with a micro motor, the output end of the micro motor is provided with a rotating shaft, the surface of the rotating shaft is provided with a special-shaped plate, one end of the rotating shaft is provided with a first bevel gear, the inner top wall of the respiratory ventilation box is provided with a rotating shaft, the low end of the rotating shaft is provided with a second bevel gear, the second bevel gear is meshed with the first bevel gear, and the surface of the rotating shaft is provided with rotating fan blades.
Further, through setting up the mounting panel, the installation that realizes micro motor is fixed, through setting up micro motor, start micro motor, micro motor's output drives the axis of rotation and rotates, and the axis of rotation rotates and drives the dysmorphism board, first bevel gear rotates, through setting up second bevel gear and first bevel gear meshing for first bevel gear rotates and drives second bevel gear and rotate, and second bevel gear rotates and drives rotatory flabellum through the rotation axis and rotates, is convenient for spread the disinfectant in the air.
Preferably, the inner wall of the breathing and ventilating box is provided with a supporting plate, the upper surface of the supporting plate is respectively provided with a pressure box and a disinfection box, the opposite surfaces of the pressure box and the disinfection box are provided with the same feeding pipe, and the surface of the feeding pipe is provided with a second one-way valve.
Furthermore, through setting up the backup pad, the realization is fixed to the installation of pressure tank, disinfection box, through setting up the inlet pipe, is convenient for carry the antiseptic solution in the disinfection box to the pressure tank in, through setting up the second check valve, prevents the liquid refluence.
Preferably, the through-hole has been seted up to the upper surface of pressure tank, the inner wall sliding connection of through-hole has the gangbar, the bottom of gangbar is provided with spacing clamp plate, spacing clamp plate and the inner wall looks adaptation of pressure tank, the top of gangbar is provided with the atress board, the atress board is corresponding with the position of dysmorphism board.
Furthermore, through setting up the through-hole, dodge the motion of linkage rod, through setting up the atress board, receive the pressure back that the dysmorphism board produced when the atress board upper surface for the atress board drives the gangbar decline, and the gangbar descends and drives spacing clamp plate and descend.
Preferably, the surface cover of gangbar is equipped with reset spring, reset spring's bottom and the last fixed surface of pressure tank are connected, reset spring's top and the lower fixed surface of atress board are connected, the right side of pressure tank is provided with row's material pipe, the one end of arranging the material pipe is provided with the connection shower nozzle.
Further, through setting up reset spring, drive the atress board and reset, arrange the material pipe through setting up, carry the antiseptic solution in the pressure tank to connect the blowout in the shower nozzle through arranging the material pipe.
Preferably, the inner wall of the front end shell is in threaded connection with a second filter screen, an exhaust pipe is arranged on the front face of the second filter screen, and a third one-way valve is arranged on the surface of the exhaust pipe.
Furthermore, through setting up the blast pipe, take a breath the exhaust, through setting up the third check valve, prevent that external air from getting into from the second filter screen.
Preferably, the inner wall of the main body is provided with an inner thread groove, and the inner wall of the inner thread groove is in threaded connection with a first filter screen.
Further, the first filter screen is fixed by arranging an internal thread groove.
Preferably, the left and right first filter screens are provided with knobs on the sides close to each other.
Furthermore, by arranging the knob, an operator can conveniently rotate the knob to disassemble the first filter screen.
In conclusion, the technical effects and advantages of the invention are as follows:
according to the invention, through arranging the fixing plate and the positioning plate, the fixing screw is convenient to fix, through arranging the air inlet hole, ventilation operation is carried out, through arranging the air guide plate, incoming air is guided, through arranging the installation partition plate, the air inlet pipe is convenient to install and fix, through arranging the first check valve, reverse flow of air is prevented, through arranging the installation plate, installation and fixation of the micro motor are realized, through arranging the micro motor, the micro motor is started, the output end of the micro motor drives the rotating shaft to rotate, the rotating shaft rotates to drive the special-shaped plate and the first bevel gear to rotate, through arranging the second bevel gear to be meshed with the first bevel gear, the first bevel gear rotates to drive the second bevel gear to rotate, the second bevel gear rotates to drive the rotating fan blades to rotate through the rotating shaft, and disinfectant in the air is convenient to diffuse.
According to the invention, the pressure box and the disinfection box are fixedly installed by arranging the supporting plate, disinfectant in the disinfection box is conveniently conveyed into the pressure box by arranging the feeding pipe, liquid backflow is prevented by arranging the second one-way valve, the movement of the linkage rod is avoided by arranging the through hole, the stress plate is arranged, after the upper surface of the stress plate is subjected to pressure generated by the special-shaped plate, the stress plate drives the linkage rod to descend, the linkage rod descends to drive the limiting pressing plate to descend, the stress plate is driven to reset by arranging the reset spring, and the disinfectant in the pressure box is conveyed into the connecting nozzle through the discharging pipe to be sprayed out by arranging the discharging pipe.
According to the invention, the exhaust pipe is arranged for ventilation and exhaust, the third check valve is arranged for preventing outside air from entering the second filter screen, the first filter screen is fixed by arranging the internal thread groove, and the knob is arranged for facilitating an operator to rotate the knob to disassemble the first filter screen.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present application;
FIG. 2 is a schematic perspective view of a sterilizing filter mechanism in an embodiment of the present application;
FIG. 3 is a schematic perspective view of a fixing screw according to an embodiment of the present disclosure;
FIG. 4 is a schematic cross-sectional view of a pressure tank according to an embodiment of the present application;
FIG. 5 is a schematic perspective view of a connecting nozzle in an embodiment of the present application;
fig. 6 is a schematic perspective view of a third check valve in the embodiment of the present application.
In the figure: 1. a main body; 2. a fixed block; 3. wearing a rope; 4. a bungee cord; 5. a breathing and ventilating box; 6. a front end housing; 7. sealing plates; 8. a silica gel sealing ring; 9. a sterilizing and filtering mechanism; 901. positioning a plate; 902. a fixing plate; 903. an air inlet hole; 904. an internal thread groove; 905. a first filter screen; 906. a knob; 907. a second filter screen; 908. a fixing screw; 909. a micro-motor; 910. a support plate; 911. mounting a plate; 912. a rotating shaft; 913. a shaped plate; 914. a rotating shaft; 915. a first bevel gear; 916. rotating the fan blades; 917. a second bevel gear; 918. a stress plate; 919. a sterilizing box; 920. a return spring; 921. a linkage rod; 922. a pressure tank; 923. a discharge pipe; 924. a limiting pressing plate; 925. a second one-way valve; 926. a feeding pipe; 927. a wind deflector; 928. installing a partition plate; 929. an air inlet pipe; 930. an expansion plate; 931. a first check valve; 932. connecting the spray head; 933. a third check valve; 934. and (4) exhausting the gas.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment is as follows: referring to fig. 1-6, the filter type face-piece respirator distributor comprises a main body 1, a front end shell 6 is arranged on the front side of the main body 1, a plurality of fixing blocks 2 are arranged on the surface of the main body 1, wearing ropes 3 are arranged on the surface of the left fixing block 2 and the surface of the right fixing block 2, the surface of the left wearing rope 3 and the surface of the right wearing rope 3 are provided with the same elastic rope 4, breathing and ventilating boxes 5 are arranged on the left side and the right side of the main body 1, sealing plates 7 are arranged on the opposite surfaces of the left breathing and ventilating boxes 5 and the right wearing rope 3, a silica gel sealing ring 8 is arranged on the inner wall of the main body 1, and a disinfection and filtration mechanism 9 is arranged on the upper surface of the breathing and ventilating boxes 5.
Borrow by above-mentioned structure, wear rope 3, elasticity rope 4 through the setting, be convenient for wear main part 1 at the head, through setting up breathing and taking a breath case 5, give the space of disinfecting filtering mechanism 9 installation, through setting up silica gel sealing washer 8, make its better human skin of laminating seal, through setting up disinfecting filtering mechanism 9, will get into the inside air of main part 1 and disinfect filtering treatment.
As a preferred implementation manner in this embodiment, the disinfecting and filtering mechanism 9 includes a fixing plate 902 disposed on the upper surface of the respiratory ventilation box 5, a positioning plate 901 is disposed on the upper surface of the sealing plate 7, the same threaded hole is disposed on the surface of the fixing plate 902 and the surface of the positioning plate 901, a fixing screw 908 is screwed on the inner wall of the threaded hole, and an air inlet 903 is opened on the inner wall of the respiratory ventilation box 5. Through setting up fixed plate 902, locating plate 901, be convenient for fix set screw 908, through setting up fresh air inlet 903, take a breath the operation.
As a preferable embodiment in this embodiment, the inner wall of the respiratory ventilation box 5 is provided with an air guide plate 927, the upper surface of the air guide plate 927 is provided with a mounting partition plate 928, the inner wall of the mounting partition plate 928 is provided with an air inlet pipe 929, one end of the air inlet pipe 929 is provided with an expansion plate 930, and the surface of the air inlet pipe 929 is provided with a first one-way valve 931. Through setting up wind deflector 927, lead to the air of incoming call, through setting up installation baffle 928, be convenient for install fixedly to air-supply line 929, through setting up first check valve 931, prevent that the air from flowing in the reverse direction.
As a preferred embodiment in this embodiment, the inner wall of the breathing and ventilating box 5 is provided with a mounting plate 911, the upper surface of the mounting plate 911 is provided with a micro motor 909, the output end of the micro motor 909 is provided with a rotating shaft 912, the surface of the rotating shaft 912 is provided with a special plate 913, one end of the rotating shaft 912 is provided with a first bevel gear 915, the inner top wall of the breathing and ventilating box 5 is provided with a rotating shaft 914, the lower end of the rotating shaft 914 is provided with a second bevel gear 917, the second bevel gear 917 is engaged with the first bevel gear 915, and the surface of the rotating shaft 914 is provided with a rotating fan 916. Through setting up mounting panel 911, the realization is fixed to the installation of micro motor 909, through setting up micro motor 909, start micro motor 909, the output of micro motor 909 drives axis of rotation 912 and rotates, axis of rotation 912 rotates and drives special-shaped board 913, first bevel gear 915 rotates, through setting up second bevel gear 917 and 915 meshing, make first bevel gear 915 rotate and drive second bevel gear 917 and rotate, second bevel gear 917 rotates and drives rotating fan 916 through axis of rotation 914 and rotates, be convenient for diffuse the disinfectant in the air.
In a preferred embodiment of the present embodiment, a supporting plate 910 is disposed on the inner wall of the breathing and ventilating box 5, a pressure box 922 and a disinfection box 919 are disposed on the upper surface of the supporting plate 910, respectively, the same feeding pipe 926 is disposed on the opposite surfaces of the pressure box 922 and the disinfection box 919, and a second one-way valve 925 is disposed on the surface of the feeding pipe 926. Through setting up backup pad 910, realize fixed to the installation of pressure tank 922, disinfection box 919, through setting up inlet pipe 926, be convenient for carry the antiseptic solution in the disinfection box 919 to the pressure tank 922 in, through setting up second check valve 925, prevent the liquid refluence.
In this embodiment, a through hole is formed in the upper surface of the pressure tank 922, a linkage bar 921 is slidably connected to the inner wall of the through hole, a limiting pressing plate 924 is arranged at the bottom end of the linkage bar 921, the limiting pressing plate 924 is matched with the inner wall of the pressure tank 922, a stress plate 918 is arranged at the top end of the linkage bar 921, and the stress plate 918 corresponds to the special-shaped plate 913 in position. Through setting up the through-hole, dodge the motion of linkage 921, through setting up stress plate 918, after stress plate 918 upper surface received the pressure that dysmorphism board 913 produced, make stress plate 918 drive linkage 921 descend, and linkage 921 descends and drives spacing clamp plate 924 and descend.
In this embodiment, the surface cover of gangbar 921 is equipped with reset spring 920, and reset spring 920's bottom and pressure tank 922's last fixed surface are connected, and reset spring 920's top and the lower fixed surface of atress board 918 are connected, and pressure tank 922's right side is provided with arranges material pipe 923, and the one end of arranging material pipe 923 is provided with connection shower nozzle 932. Through setting up reset spring 920, drive atress board 918 and reset, arrange material pipe 923 through setting up, carry the antiseptic solution in the pressure tank 922 to be connected blowout head 932 and spout in through arranging material pipe 923.
As a preferable embodiment in this embodiment, a second filter 907 is screwed to an inner wall of the front end housing 6, an exhaust pipe 934 is provided on a front surface of the second filter 907, and a third check valve 933 is provided on a surface of the exhaust pipe 934. The exhaust pipe 934 is provided to perform ventilation and exhaust, and the third check valve 933 is provided to prevent the outside air from entering the second filter 907.
As a preferred embodiment in this embodiment, an inner threaded groove 904 is formed in an inner wall of the main body 1, a first filter 905 is screwed to the inner wall of the inner threaded groove 904, and knobs 906 are disposed on both sides of the left and right first filters 905, which are close to each other. Through setting up internal thread groove 904, fixed first filter screen 905, through setting up knob 906, the operator of being convenient for rotates knob 906 and dismantles first filter screen 905.
The working principle of the invention is as follows: the utility model discloses a filter type face-piece respirator distributor, the user is when using, will wear rope 3 and the head of the elastic cord 4 wearer, make the surface and the skin contact of silica gel sealing washer 8 sealed, start micro motor 909 this moment, the output of micro motor 909 drives axis of rotation 912 and rotates, axis of rotation 912 rotates and drives dysmorphism board 913, first bevel gear 915 rotates, because second bevel gear 917 meshes with first bevel gear 915, make first bevel gear 915 rotate and drive second bevel gear 917 rotation, second bevel gear 917 rotates and drives rotatory flabellum 916 through axis of rotation 914 and rotate, be convenient for spread the disinfectant in the air, after receiving the pressure that dysmorphism board 913 produced on the upper surface of atress board 918, make atress board 918 drive gangbar 921 descend, gangbar 921 descends to drive spacing clamp plate 924, carry the antiseptic solution in the pressure tank 922 to connect the shower nozzle 932 through discharge tube 923 blowout, reset spring 920 drives atress board 918 and resets, the second check valve prevents liquid, third check valve 933 prevents outside air backflow from second filter 907 from entering first filter screen 907, when needing to dismantle and wash first filter screen 905, the handle the knob 906 and rotate, the handle the air disinfection main part 906, the main part by the above-carrying out the disinfection.
It should be noted that the components, modules and mechanisms that are not described in detail in this application are all general standard components or components known to those skilled in the art, and the structure and principle of the components can be known to those skilled in the art through technical manuals or through routine experiments. The connection relationship between the structures can be any one of the prior arts such as: use the mode of the spiro union of realizing through bolt and nut cooperation, use the joint mode of realizing through the cooperation of size cooperation and fastener, through modes integrated into one piece such as forging, cutting, through welded fastening's mode etc. this technical field personnel can combine the description and the structural feature of this application, learn or learn through conventional experimental method through looking up technical manual. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of another like element in a process, method, article, or apparatus that comprises the element.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (10)
1. A filtering face-piece respirator dispenser, comprising a body (1) characterized by: the front side of the main body (1) is provided with a front end shell (6), the surface of the main body (1) is provided with a plurality of fixing blocks (2), the surface of the left fixing block (2) and the surface of the right fixing block (2) are respectively provided with a wearing rope (3), the surfaces of the left wearing rope and the right wearing rope (3) are respectively provided with the same elastic rope (4), the left side and the right side of the main body (1) are respectively provided with a breathing and ventilating box (5), the opposite surfaces of the left breathing and ventilating box and the right breathing and ventilating box (5) are respectively provided with a sealing plate (7), the inner wall of the main body (1) is provided with a silica gel sealing ring (8), and the upper surface of the breathing and ventilating box (5) is provided with a disinfection and filtration mechanism (9);
the inner wall of the breathing and air-exchanging box (5) is provided with an air inlet hole (903);
the inner wall of the respiratory ventilation box (5) is provided with a wind guide plate (927), and the upper surface of the wind guide plate (927) is provided with a mounting clapboard (928);
the inner wall of the respiratory ventilation box (5) is provided with a mounting plate (911), the upper surface of the mounting plate (911) is provided with a micro motor (909), the output end of the micro motor (909) is provided with a rotating shaft (912), the surface of the rotating shaft (912) is provided with a special-shaped plate (913), the inner top wall of the respiratory ventilation box (5) is provided with a rotating shaft (914), and the surface of the rotating shaft (914) is provided with rotating fan blades (916);
a supporting plate (910) is arranged on the inner wall of the breathing and ventilating box (5), a pressure box (922) and a disinfection box (919) are respectively arranged on the upper surface of the supporting plate (910), and the same feeding pipe (926) is arranged on the opposite surfaces of the pressure box (922) and the disinfection box (919);
a through hole is formed in the upper surface of the pressure box (922), a linkage rod (921) is connected to the inner wall of the through hole in a sliding mode, and a limiting pressing plate (924) is arranged at the bottom end of the linkage rod (921);
the top end of the linkage rod (921) is provided with a stress plate (918), and the stress plate (918) corresponds to the position of the special-shaped plate (913);
the surface cover of gangbar (921) is equipped with reset spring (920), the right side of pressure tank (922) is provided with row material pipe (923), the one end of arranging material pipe (923) is provided with connection shower nozzle (932).
2. The filtering face-piece respirator dispenser of claim 1, wherein: the sterilizing and filtering mechanism (9) comprises a fixing plate (902) arranged on the upper surface of the breathing and ventilating box (5), a positioning plate (901) is arranged on the upper surface of the sealing plate (7), the surfaces of the fixing plate (902) and the positioning plate (901) are provided with the same threaded hole, and the inner wall of the threaded hole is in threaded connection with a fixing screw (908).
3. The filtering face-piece respirator dispenser of claim 1, wherein: the inner wall of installation baffle (928) is provided with air-supply line (929), the one end of air-supply line (929) is provided with expansion plate (930), the surface of air-supply line (929) is provided with first check valve (931).
4. The filtering face-piece respirator dispenser of claim 1, wherein: one end of the rotating shaft (912) is provided with a first bevel gear (915), the lower end of the rotating shaft (914) is provided with a second bevel gear (917), and the second bevel gear (917) is meshed with the first bevel gear (915).
5. The filtering face-piece respirator dispenser of claim 1, wherein: the surface of the feeding pipe (926) is provided with a second one-way valve (925).
6. The filtering face-piece respirator dispenser of claim 5, wherein: the limiting pressing plate (924) is matched with the inner wall of the pressure box (922).
7. The filtering face-piece respirator dispenser of claim 6, wherein: the bottom end of the return spring (920) is fixedly connected with the upper surface of the pressure box (922), and the top end of the return spring (920) is fixedly connected with the lower surface of the stress plate (918).
8. The filtering face-piece respirator dispenser of claim 1, wherein: the inner wall of the front end shell (6) is in threaded connection with a second filter screen (907), an exhaust pipe (934) is arranged on the front face of the second filter screen (907), and a third one-way valve (933) is arranged on the surface of the exhaust pipe (934).
9. The filtering face-piece respirator dispenser of claim 1, wherein: an inner thread groove (904) is formed in the inner wall of the main body (1), and a first filter screen (905) is connected to the inner wall of the inner thread groove (904) in a threaded mode.
10. The filtering face-piece respirator dispenser of claim 9, wherein: and one side of the left first filter screen and the other side of the right first filter screen (905) which are close to each other are both provided with a knob (906).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210534028.8A CN114733096B (en) | 2022-05-17 | 2022-05-17 | Filtering face-piece respirator dispenser |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210534028.8A CN114733096B (en) | 2022-05-17 | 2022-05-17 | Filtering face-piece respirator dispenser |
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| CN114733096A CN114733096A (en) | 2022-07-12 |
| CN114733096B true CN114733096B (en) | 2022-11-15 |
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| CN102614567A (en) * | 2012-02-29 | 2012-08-01 | 郑州佳瑞生物科技有限责任公司 | Mask respirator |
| CN106621104A (en) * | 2016-12-30 | 2017-05-10 | 郭建军 | Inner ventilation type large ventilating section anti-haze mask |
| CN110935704A (en) * | 2019-12-14 | 2020-03-31 | 肖纪梅 | Portable degassing unit of department of anesthesia |
| CN114392450A (en) * | 2022-02-25 | 2022-04-26 | 广西医科大学第一附属医院 | Breathe internal medicine with spouting medicine oxygen therapy respirator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB2505484A (en) * | 2012-08-31 | 2014-03-05 | 3M Innovative Properties Co | Powered exhaust apparatus for a personal protection respiratory device |
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| CN102614567A (en) * | 2012-02-29 | 2012-08-01 | 郑州佳瑞生物科技有限责任公司 | Mask respirator |
| CN106621104A (en) * | 2016-12-30 | 2017-05-10 | 郭建军 | Inner ventilation type large ventilating section anti-haze mask |
| CN110935704A (en) * | 2019-12-14 | 2020-03-31 | 肖纪梅 | Portable degassing unit of department of anesthesia |
| CN114392450A (en) * | 2022-02-25 | 2022-04-26 | 广西医科大学第一附属医院 | Breathe internal medicine with spouting medicine oxygen therapy respirator |
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