CN113559430B - Gauze mask with filter core replacement function - Google Patents
Gauze mask with filter core replacement function Download PDFInfo
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- CN113559430B CN113559430B CN202110833004.8A CN202110833004A CN113559430B CN 113559430 B CN113559430 B CN 113559430B CN 202110833004 A CN202110833004 A CN 202110833004A CN 113559430 B CN113559430 B CN 113559430B
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- filter core
- filter element
- mask
- fixedly connected
- positioning
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/10—Respiratory apparatus with filter elements
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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
- A62B18/025—Halfmasks
-
- 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
-
- 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
Abstract
The invention discloses a mask with a filter element replacing function, and relates to the field of manufacturing of daily necessities. This gauze mask with filter core replacement function includes that face laminating gauze mask shell body, sealing rubber elasticity packing ring and the removable elasticity of ear hang the rope, the positive fixedly connected with cover barrel-shaped base of face laminating gauze mask shell body, the fixed open barrel of inboard fixedly connected with of cover barrel-shaped base, rectangular type array notch has been seted up to the lateral wall of fixed open barrel, the integral installation component of filter core has been cup jointed in the positive activity of fixed open barrel, the positive activity joint of face laminating gauze mask shell body has protective housing. This gauze mask with filter core replacement function when using, whole gauze mask device conveniently assembles, and the filter core main part of inside setting conveniently carries out periodic replacement, like this under the environment of using gauze mask in a large number globally, after the filter core main part pollutes, only need the renew cartridge main part can.
Description
Technical Field
The invention relates to the technical field of manufacturing of daily necessities, in particular to a mask with a filter element replacing function.
Background
The gauze mask generally indicates to wear and is used for filtering the air of business turn over oral-nasal part to reach the apparatus that blocks harmful gas, smell, droplet business turn over wearer's mouth and nose, because the epidemic of new coronavirus at present, the gauze mask becomes the indispensable article in everyone's life, and the gauze mask cuts off the virus propagation through establishing the physics separation, is an important defence line that the respiratory tract infection such as new coronavirus was avoided to the protection people.
The existing common masks mainly comprise disposable medical masks, medical surgical masks, medical protective masks, particulate matter protective masks, protective masks and the like, no matter what type of masks are, a filter element is generally arranged in the mask and is mainly used for filtering bacteria and dirt in air, in the prior art, most of the filter elements are directly and fixedly arranged in the mask and are inconvenient to replace, so that the whole mask needs to be thrown away after the mask is used once, the practicability of the mask is reduced, certain environmental pollution is undoubtedly caused by the mass use of the masks in a large global environment where a large number of masks are used, the use cost of the mask is also increased, if the polluted filter element can be directly taken out of the mask, and the replacement of a new filter element is carried out, so that the pollution of the mask can be greatly reduced, and the use cost of the mask can also be reduced, aiming at the defects of the prior art, the invention discloses a mask with a filter element replacing function, and aims to solve the problems.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention discloses a mask with a filter element replacing function, which aims to solve the problems in the background technology.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a mask with a filter element replacement function, comprising:
the filter element integrated type mounting assembly comprises a face-fitted mask shell, wherein a sleeve-shaped base is fixedly connected to the front face of the face-fitted mask shell, a fixed open type barrel is fixedly connected to the inner side of the sleeve-shaped base, a rectangular array notch is formed in the side wall of the fixed open type barrel, the front face of the fixed open type barrel is movably sleeved with a filter element integrated type mounting assembly, and a protective outer cover is movably clamped to the front face of the face-fitted mask shell;
the sealing rubber elastic gasket is fixedly connected to the edge of the back of the face attaching mask shell;
ear's removable elasticity string rope, ear's removable elasticity string rope fixed connection is in the both sides of facial laminating gauze mask shell body.
Preferably, the integral installation component of filter core includes filter core installation location barrel, chucking locating rack and filter core main part, the activity of filter core installation location barrel is cup jointed on fixed open barrel, the filter core main part cup joints on filter core installation location barrel, chucking locating rack quantity is two sets of and through the bolt fastening on the arc wall of filter core installation location barrel and press from both sides tight fixedly to the filter core main part.
Preferably, the annular array type ventilation groove that the multiunit array distributes is seted up on the arc wall of filter core installation location barrel, first screens retaining ring piece of fixedly connected with and second screens retaining ring piece on the arc wall of filter core installation location barrel, the filter core main part be located between first screens retaining ring piece and the second screens retaining ring piece and with the arc wall laminating of filter core installation location barrel.
Preferably, the chucking locating rack all includes at least two sets of arc formula laminating poles and two sets of straight plate-type clamp plates, the radian of arc formula laminating pole is corresponding with the outer wall of filter core installation location barrel, straight plate-type clamp plate fixed connection is at the tip of multiunit arc formula laminating pole, set up threaded hole on the lateral wall of straight plate-type clamp plate, it is two sets of the chucking locating rack realizes pressing from both sides tight fixed function through the bolt on the straight plate-type clamp plate.
Preferably, the inner side of the filter element mounting and positioning cylinder is fixedly connected with a sealed blocking ring, a second annular slot is formed in a gap between the sealed blocking ring and the filter element mounting and positioning cylinder, a second annular sealing rubber ring is movably clamped on the inner side of the second annular slot, and the second annular sealing rubber ring abuts against the front side of the fixed open type cylinder.
Preferably, a first annular slot is formed in a gap between the fixed open type cylinder and the sleeve-shaped base, a first annular sealing rubber ring is movably clamped inside the first annular slot, and the filter element mounting and positioning cylinder is movably inserted inside the first annular slot and abuts against the outer wall of the first annular sealing rubber ring.
Preferably, be equipped with locking positioning assembly between protective housing and the facial laminating gauze mask shell body, locking positioning assembly includes cavity location chucking piece and at least two sets of location dog, location dog fixed connection is in the front of facial laminating gauze mask shell body, cavity location chucking piece fixed connection is on the inner chamber both sides lateral wall of protective housing, cavity location chucking piece activity joint is between two sets of location dogs.
Preferably, the lateral wall of location dog has seted up the locking hole, the inside of cavity location chucking piece is equipped with the inner chamber, sliding connection has two sets of slip cylinders in the inner chamber of cavity location chucking piece, and is two sets of be equipped with pressure spring between the slip cylinder, pressure spring is in compression state, one side fixedly connected with locking formula grafting locating lever that pressure spring was kept away from to the slip cylinder, locking formula grafting locating lever passes cavity location chucking piece and activity grafting is downthehole at the locking.
Preferably, the lateral wall of the sliding cylinder is fixedly connected with a T-shaped sliding control handle, the lateral wall of the facial mask attaching outer shell is provided with a hidden protection limiting open groove, the T-shaped sliding control handle is slidably connected inside the hidden protection limiting open groove, and the outer shell of the protection outer shell is provided with a plurality of groups of inclined waterproof and breathable grooves.
Preferably, the front fixedly connected with side direction support installation locating lever of facial laminating gauze mask shell body, fixedly connected with side direction support installation sleeve pipe in the inner chamber of protection dustcoat, the activity of side direction support installation sleeve pipe is cup jointed on side direction support installation locating lever, fixedly connected with multiunit rubber supports tight column cap on the inner chamber inner wall of protection dustcoat, rubber supports tight column cap and the outer wall of the integral installation component of filter core and offsets.
The invention discloses a mask with a filter element replacing function, which has the following beneficial effects:
1. this gauze mask with filter core replacement function, when using, whole gauze mask device is conveniently assembled, the filter core main part of inside setting is conveniently regularly changed, like this under the environment of using gauze mask in a large number globally, after the pollution of filter core main part, only need renew cartridge main part can, need not to abandon whole gauze mask device, on the one hand greatly reduced the use cost of gauze mask, on the other hand has also reduced the wasting of resources, the enterprise only need a large amount of production filter core main part can, and, the filter core main part is in the operation process of installing fixedly or later stage and tearing down, easy operation is convenient, time saving and labor saving, and the installation is fixed after, sealed effectual between filter core main part and the gauze mask device, make the gauze mask device be difficult for gas leakage, the result of use of gauze mask device has been guaranteed, therefore the device satisfies the user demand.
2. The mask with the filter element replacement function utilizes the protective outer cover to realize the protection and the reinforcement of the integral filter element installation component, the cooperation of the arranged lateral support installation sleeve and the lateral support installation positioning rod can ensure that the protective outer cover can be installed when being installed, the installation positioning is realized, the position of the protective outer cover is convenient to be aligned and installed, the protective outer cover can be laterally supported after the protective outer cover is installed and fixed, the protective outer cover is stable after being installed and fixed and is not easy to loose, so that the protective outer cover has good protection effect on internal parts, the installation and fixing effect of the arranged locking and positioning component is good, the operation is convenient, and the rubber abutting column head arranged in the protective outer cover can abut against the integral filter element installation component, so that the integral filter element installation component is stable in installation and fixation, and the sealing performance is good, the air leakage phenomenon is prevented, the filtering effect of the integral installation assembly of the filter element is enhanced, and the requirements of users are met.
3. This gauze mask with filter core replacement function, the waterproof ventilative groove of tilting has been seted up on the outer wall of the protection dustcoat that sets up, the groove in the waterproof ventilative groove of tilting is from inner wall to outer wall, it is inside high, the shape that outside is low, consequently when external rainy or meet water, can not splatter the inside of protection dustcoat, prevent to cause the pollution of the integral installation component of filter core, the spacing fluting of hidden protection that sets up can be accomodate T shape sliding control handle, guarantee the holistic aesthetic property of device on the one hand, on the other hand also can avoid T shape sliding control handle to receive the collision or the mistake touches, protect it.
4. The mask with the filter element replacing function is characterized in that a first annular sealing rubber ring can be clamped in a gap formed by a sleeve-shaped base and a fixed open type cylinder body, so that after the integral filter element mounting assembly is mounted and fixed, a filter element mounting and positioning cylinder body is inserted into the gap and extrudes and seals the first annular sealing rubber ring to ensure the sealing performance of the integral filter element mounting assembly and the gap, a second annular sealing rubber ring is clamped in the gap formed by a sealing shielding ring and the filter element mounting and positioning cylinder body, when the mounting and positioning cylinder body is sleeved on the fixed open type cylinder body, the second annular sealing rubber ring is synchronously extruded to form the sealing of the gap, thus the sealing performance of the gap after the integral filter element mounting assembly is mounted and fixed can be ensured to be good, and the filtering effect of the filter element main body on air can be ensured, the device can not generate air leakage.
Drawings
FIG. 1 is a first perspective view of a three-dimensional structure of a device body according to the present invention;
FIG. 2 is a second perspective view of the device body of the present invention;
FIG. 3 is an exploded view of the device body of the present invention from a first perspective;
FIG. 4 is a second perspective of the exploded view of the device body of the present invention;
FIG. 5 is an exploded view of the front face of the outer shell of the face mask of the present invention;
FIG. 6 is an overall block diagram of the integral cartridge mounting assembly of the present invention;
fig. 7 is an exploded view of the integral mounting assembly of the filter cartridge of the present invention;
FIG. 8 is a block diagram of the cartridge positioning cartridge of the present invention;
FIG. 9 is a block diagram of the clamping and positioning bracket of the present invention;
FIG. 10 is a schematic view of the internal structure of the protective enclosure of the present invention;
fig. 11 is a partial cross-sectional view of a shield enclosure of the present invention.
In the figure: 1. the face is attached to the mask shell; 2. a sealing rubber elastic washer; 3. the ear part can be replaced by an elastic hanging rope; 4. a sleeve-shaped base; 5. fixing the open cylinder; 501. a rectangular array notch; 6. a filter element integral mounting assembly; 601. the filter element is provided with a positioning cylinder; 6011. annular array type air exchange grooves; 6012. a first clamping fixed ring sheet; 6013. a second clamping fixed ring sheet; 6014. a sealed shield ring; 602. clamping the positioning frame; 6021. an arc-shaped attaching rod; 6022. a straight plate type clamping plate; 603. a filter element main body; 7. a protective outer cover; 701. an inclined waterproof ventilating groove; 8. locking the positioning assembly; 801. a hollow positioning and clamping block; 802. positioning a stop block; 8021. a locking hole; 803. a sliding cylinder; 804. a pressure spring; 805. a locking type plug-in positioning rod; 806. a T-shaped sliding control handle; 807. hidden type protection limiting slotting; 9. the rubber tightly props against the column cap; 10. a lateral support mounting sleeve; 11. a positioning rod is arranged on the lateral support; 12. a first annular slot; 13. a first annular sealing rubber ring; 14. a second annular socket; 15. and a second annular sealing rubber ring.
Detailed Description
Example 1:
the embodiment of the invention discloses a mask with a filter element replacing function, as shown in figures 1-11, comprising:
the mask comprises a face-attaching mask shell 1, wherein the front surface of the face-attaching mask shell 1 is fixedly connected with a sleeve-shaped base 4, the inner side of the sleeve-shaped base 4 is fixedly connected with a fixed open type barrel 5, the side wall of the fixed open type barrel 5 is provided with a rectangular array notch 501, the front surface of the fixed open type barrel 5 is movably sleeved with a filter element integral type mounting assembly 6, and the front surface of the face-attaching mask shell 1 is movably clamped with a protective outer cover 7;
the sealing rubber elastic gasket 2 is fixedly connected to the edge of the back of the face attaching mask shell 1;
ear's removable elasticity string rope 3, ear's removable elasticity string rope 3 fixed connection is in the both sides of facial laminating gauze mask shell body 1.
According to the attached drawings 3 and 6, the integral filter element mounting assembly 6 comprises a filter element mounting and positioning barrel body 601, a clamping positioning frame 602 and a filter element main body 603, the filter element mounting and positioning barrel body 601 is movably sleeved on a fixed open barrel body 5, the filter element main body 603 is sleeved on the filter element mounting and positioning barrel body 601, the clamping positioning frames 602 are two groups and are fixed on the arc-shaped wall of the filter element mounting and positioning barrel body 601 through bolts, and the filter element main body 603 is clamped and fixed, the integral filter element mounting assembly 6 is simple in overall structure, when the integral filter element mounting assembly 6 is mounted and fixed, the filter element main body 603 only needs to be wound on the filter element mounting and positioning barrel body 601, and the two groups of clamping positioning frames 602 are used for integrally clamping and fixing the filter element mounting and positioning barrel body 601 and the filter element main body 603.
As shown in fig. 6, 7 and 8, a plurality of sets of annular array type ventilation grooves 6011 distributed in an array are formed on the arc-shaped wall of the filter element mounting and positioning cylinder 601, a first clamping fixing ring 6012 and a second clamping fixing ring 6013 are fixedly connected to the arc-shaped wall of the filter element mounting and positioning cylinder 601, the filter element main body 603 is located between the first clamping fixing ring 6012 and the second clamping fixing ring 6013 and attached to the arc-shaped wall of the filter element mounting and positioning cylinder 601, a large number of annular array type ventilation grooves 6011 are arranged, and the annular array type ventilation grooves are distributed on the arc-shaped wall of the filter element mounting and positioning cylinder 601, so that the filter element main body 603 is not easily blocked and has good ventilation effect, the arranged first clamping fixing ring 6012 and the second clamping fixing ring 6013 can limit the filter element main body 603, so that the mounting and fixing position of the filter element main body 603 is limited, the mounting effect of the filter element main body 603 is ensured, and the filter element main body 603 is fixed in a later period, the first and second retaining ring pieces 6012, 6013 can ensure that the filter element main body 603 does not deviate.
According to fig. 6, 7 and 9 show, chucking locating rack 602 all includes at least two sets of arc formula laminating pole 6021 and two sets of straight plate-type clamping plate 6022, the radian of arc formula laminating pole 6021 is corresponding with the outer wall of filter core installation location barrel 601, straight plate-type clamping plate 6022 fixed connection is at the tip of multiunit arc formula laminating pole 6021, set up threaded hole on the lateral wall of straight plate-type clamping plate 6022, two sets of chucking locating rack 602 realize pressing from both sides tight fixed function through the bolt on straight plate-type clamping plate 6022, the simple structure of chucking locating rack 602 of setting, the outer wall and the filter core main part 603 laminating of arc formula laminating pole 6021 and filter core installation location barrel 601 of setting, can guarantee the effect of compressing tightly to filter core main part 603, also be convenient for later stage change and fix filter core main part 603, make device convenient to use.
The device is when using, conveniently assembles to be convenient for carry out fixed mounting with filter core main part 603, the later stage is also convenient to be changed filter core main part 603, guarantees the reuse of whole device.
When the whole device is assembled, the filter element main body 603 is firstly installed and fixed on the filter element installation positioning cylinder 601, the initial state of the filter element main body 603 is generally rectangular, the filter element main body 603 is wound on the filter element installation positioning cylinder 601 and is positioned between the first clamping and fixing ring piece 6012 and the second clamping and fixing ring piece 6013, and at this time, the filter element main body 603 is clamped and fixed by using the two groups of clamping and positioning frames 602.
When the filter element main body 603 is clamped and fastened, the arc-shaped attaching rods 6021 are aligned with the integral arc-shaped wall formed by the filter element mounting and positioning cylinder 601 and the filter element main body 603 and are buckled, then the two groups of straight plate type clamping plates 6022 on the two groups of clamping and positioning frames 602 are aligned in position and are screwed and fixed by using clamping bolts, so that the filter element main body 603 is fixed, and it is noted here that the arc-shaped attaching rods 6021 are required to be positioned at two sides of the annular array type ventilation groove 6011, and the filter element main body 603 covers all the annular array type ventilation grooves 6011, so as to prevent the filter element main body 603 from failing due to air leakage.
After installing and fixing the filter element main body 603 on the filter element installing and positioning cylinder 601, the filter element installing and positioning cylinder 601 is aligned with the fixed open type cylinder 5 and is sleeved, so that the fixed open type cylinder 5 is fixedly clamped with the integral filter element installing component 6, the filter element installing and positioning cylinder 601 can be fixedly clamped in a gap formed by the sleeve-shaped base 4 and the fixed open type cylinder 5, the filter element installing and positioning cylinder 601 is fixedly in interference fit with the inner wall of the gap, the protective outer cover 7 is fixedly installed at the moment, and the protective and reinforcing of the integral filter element installing component 6 are realized by the protective outer cover 7.
Whole device is assembling the completion back, can use, when later stage need change filter core main part 603, take off protection housing 7, then take off the integral installation component 6 of filter core, take off chucking locating rack 602 and get rid of old filter core main part 603, install and assemble new filter core main part 603 again with above-mentioned step, can realize the change to filter core main part 603, easy operation is convenient, time saving and labor saving, therefore the device can used repeatedly many times, satisfy the user demand.
When carrying out the holistic use of device, aim at face and cover facial laminating gauze mask shell body 1, utilize two sets of removable elasticity of ear string rope 3 of setting to hang on the ear, removable elasticity string rope 3 of ear has elasticity, its spring action can guarantee that facial laminating gauze mask shell body 1 has pressure with the face, thereby with sealing rubber elastic washer 2 with certain pressure and facial laminating, relative sealing between facial and facial laminating gauze mask shell body 1 can be guaranteed to sealing rubber elastic washer 2 of setting, can not leak gas, guarantee the result of use of filter core main part 603.
When the user breathes in, the air current gets into in the inner chamber that protection dustcoat 7 and face laminating gauze mask shell body 1 formed through protection dustcoat 7, then filter through filter core main part 603, and pass in filter core main part 603 gets into the inner chamber of filter core installation location barrel 601 by annular array type groove 6011 that breathes freely, the air current rethread rectangle formula array notch 501 gets into in the inner chamber of fixed open barrel 5, then get into in the inner chamber of cover sleeve shape base 4, and get into the inner chamber of face laminating gauze mask shell body 1, finally inhale user's lung, when exhaling, the air current route is vice versa with above-mentioned route.
Example 2:
the embodiment of the invention discloses a mask with a filter element replacing function, as shown in figures 1-11, comprising:
the mask comprises a face-attaching mask shell 1, wherein the front surface of the face-attaching mask shell 1 is fixedly connected with a sleeve-shaped base 4, the inner side of the sleeve-shaped base 4 is fixedly connected with a fixed open type barrel 5, the side wall of the fixed open type barrel 5 is provided with a rectangular array notch 501, the front surface of the fixed open type barrel 5 is movably sleeved with a filter element integral type mounting assembly 6, and the front surface of the face-attaching mask shell 1 is movably clamped with a protective outer cover 7;
the sealing rubber elastic gasket 2 is fixedly connected to the edge of the back of the face attaching mask shell 1;
Ear's removable elasticity string rope 3, ear's removable elasticity string rope 3 fixed connection is in the both sides of facial laminating gauze mask shell body 1.
According to the attached drawings 3, 5 and 8, the inner side of the filter element mounting and positioning cylinder 601 is fixedly connected with a sealed shielding ring 6014, a gap between the sealed shielding ring 6014 and the filter element mounting and positioning cylinder 601 forms a second annular slot 14, a second annular sealing rubber ring 15 is movably clamped and connected to the inner side of the second annular slot 14, the second annular sealing rubber ring 15 abuts against the front side of the fixed open cylinder 5, the cross section of the sealed shielding ring 6014 is L-shaped, and the second annular slot 14 matched with the second annular sealing rubber ring 15 is formed just by the sealed shielding ring 6014 and the inner wall of the filter element mounting and positioning cylinder 601, so that when the filter element mounting and positioning cylinder 601 is sleeved on the fixed open cylinder 5 and fixed, the fixed open cylinder 5 extrudes the second annular sealing rubber ring 15 to form a seal.
According to the attached drawings 4, 5 and 6, a first annular slot 12 is formed in a gap between the fixed open type cylinder 5 and the sleeve-shaped base 4, a first annular sealing rubber ring 13 is movably clamped inside the first annular slot 12, the filter element mounting and positioning cylinder 601 is movably inserted inside the first annular slot 12 and abuts against the outer wall of the first annular sealing rubber ring 13, the first annular sealing rubber ring 13 is arranged to seal the gap formed by the filter element integral type mounting assembly 6, the fixed open type cylinder 5 and the sleeve-shaped base 4, and the using effect of the filter element main body 603 is guaranteed.
According to the attached drawing 2, 5 and 10 show, be equipped with locking locating component 8 between protection dustcoat 7 and the facial laminating gauze mask shell body 1, locking locating component 8 includes cavity location chucking piece 801 and at least two sets of location dog 802, location dog 802 fixed connection is in the front of facial laminating gauze mask shell body 1, cavity location chucking piece 801 fixed connection is on the inner chamber both sides lateral wall of protection dustcoat 7, cavity location chucking piece 801 activity joint is between two sets of location dog 802, the protection dustcoat 7 of setting is under locking locating component 8's effect, conveniently carry out the dismouting, consequently, make whole protection dustcoat 7 when using in the later stage, realize the protection to integral installation component 6 of filter core on the one hand, on the other hand, make things convenient for the later stage to change integral installation component 6 of filter core.
According to the attached drawings 2, 5 and 11, a locking hole 8021 is formed in the side wall of the positioning stop 802, an inner cavity is formed in the hollow positioning clamping block 801, two groups of sliding cylinders 803 are slidably connected in the inner cavity of the hollow positioning clamping block 801, a pressure spring 804 is arranged between the two groups of sliding cylinders 803, the pressure spring 804 is in a compression state, a locking type inserting positioning rod 805 is fixedly connected to one side, away from the pressure spring 804, of the sliding cylinder 803, the locking type inserting positioning rod 805 penetrates through the hollow positioning clamping block 801 and is movably inserted into the locking hole 8021, when the locking type inserting positioning rod 805 is inserted into the locking hole 8021, the protection outer cover 7 is fixed, the protection outer cover 7 can be stably fixed on the front side of the face-attached mask outer shell 1, and the protection effect of the protection outer cover 7 on internal parts is good.
Referring to fig. 2, 10 and 11, the side wall of the sliding cylinder 803 is fixedly connected with a T-shaped sliding control handle 806, the side wall of the facial fitting mask outer shell 1 is provided with a hidden protection limiting open groove 807, the T-shaped sliding control handle 806 is slidably connected inside the hidden protection limiting open groove 807, the outer shell of the protection outer cover 7 is provided with a plurality of groups of inclined waterproof ventilation grooves 701, the hidden protection limiting open groove 807 can accommodate the T-shaped sliding control handle 806, on one hand, the integral aesthetic property of the device is ensured, on the other hand, the T-shaped sliding control handle 806 can be prevented from being collided or touched by mistake, the inclined waterproof air-permeable groove 701 is protected, the groove is in a shape with a high inner part and a low outer part from the inner wall to the outer wall, therefore, when the outside rains or meets water, the water cannot splash into the interior of the protective cover 7, and the pollution of the filter element integral installation component 6 is prevented.
According to the attached drawings 4, 5 and 10, the front surface of the face-attaching mask shell 1 is fixedly connected with a lateral support mounting positioning rod 11, a lateral support mounting sleeve 10 is fixedly connected in the inner cavity of the protective outer cover 7, the lateral support mounting sleeve 10 is movably sleeved on the lateral support mounting positioning rod 11, a plurality of groups of rubber abutting column heads 9 are fixedly connected on the inner wall of the inner cavity of the protective outer cover 7, the rubber abutting column heads 9 abut against the outer wall of the filter element integral mounting assembly 6, the lateral support mounting sleeve 10 and the lateral support mounting positioning rod 11 are matched to ensure that the protective outer cover 7 can be mounted, the mounting and positioning are realized, the position of the protective outer cover 7 can be conveniently aligned and mounted, after the protective outer cover 7 is mounted and fixed, the protective outer cover 7 can be laterally supported, the stability and the looseness of the protective outer cover 7 after the mounting and the fixing are ensured not to occur easily, so that the protective outer cover 7 has good protective effect on the internal parts.
When the installation of carrying out protection dustcoat 7 is fixed, it is fixed effectual to use the locking locating component 8 installation that sets up to convenient operation, and the rubber that sets up in the inside of protection dustcoat 7 moreover supports tight column cap 9 and can support tightly to the integral installation component 6 of filter core, makes the integral installation component 6 of filter core installation fixed stable, and the leakproofness is good, prevents that the gas leakage phenomenon from taking place, strengthens the filter effect of the integral installation component 6 of filter core, satisfies the user demand.
When the protective outer cover 7 is installed and fixed, firstly two sets of T-shaped sliding control handles 806 are pulled, the two sets of T-shaped sliding control handles 806 drive the sliding cylinders 803 to slide in the inner cavity of the hollow positioning and clamping block 801 and further extrude the pressure springs 804, when the sliding cylinders 803 slide, the synchronous locking type inserting positioning rods 805 enter the inner cavity of the hollow positioning and clamping block 801, at the moment, the lateral supporting and installing positioning rods 11 are aligned with the lateral supporting and installing sleeves 10 and sleeved, and the protective outer cover 7 is pushed inwards to abut against the front face of the facial attaching mask outer shell 1.
When protection dustcoat 7 offsets with facial laminating gauze mask shell body 1, rubber supports tight column cap 9 and offsets the outer wall of integral installation component 6 of filter core, cavity location chucking piece 801 joint is between two sets of location dogs 802 simultaneously, and the position of locking formula grafting locating lever 805 corresponds with the position of locking hole 8021, loose hand T shape slip control handle 806 this moment, pressure spring 804 can stretch and drive two sets of slip cylinders 803 reverse slip, slip cylinder 803 drive locking formula grafting locating lever 805 pops out and inserts in locking hole 8021, the realization is fixed the installation of protection dustcoat 7, when the later stage is pulled down, otherwise can with above-mentioned installation, easy operation is convenient, time saving and labor saving.
When the cooperation of the lateral support installation sleeve 10 and the lateral support installation positioning rod 11 of setting can be guaranteed to install the protection housing 7, realize the installation location, conveniently aim at the installation to the position of protection housing 7, install fixed back to the protection housing 7, also can carry out the lateral support to the protection housing 7, guarantee that the protection housing 7 is stable after the installation is fixed, difficult emergence is not hard up for the protection housing 7 is good to inside part protecting effect.
The waterproof ventilative groove 701 of tilting has been seted up on the outer wall of the protection dustcoat 7 of setting, the groove from inner wall to outer wall of the waterproof ventilative groove 701 of tilting, be inside high, the shape that outside is low, consequently when external rainy or meet water, can not splatter the inside of protection dustcoat 7, prevent to cause the pollution of the integral installation component 6 of filter core, the hidden spacing fluting 807 of protection of setting can be accomodate T shape sliding control handle 806, guarantee the holistic aesthetic property of device on the one hand, on the other hand also can avoid T shape sliding control handle 806 to receive the collision or the mistake touches, protect it.
The arranged first annular sealing rubber ring 13 can be clamped in a gap formed by the sleeve-shaped base 4 and the fixed open type cylinder 5, therefore, after the integral filter element mounting assembly 6 is mounted and fixed, the filter element mounting and positioning cylinder 601 is inserted into the gap and extrudes and seals the first annular sealing rubber ring 13, the sealing performance of the integral filter element mounting assembly 6 and the gap is ensured, the arranged second annular sealing rubber ring 15 is clamped in the gap formed by the sealed shielding ring 6014 and the filter element mounting and positioning cylinder 601, when the integral filter element mounting and positioning cylinder 601 is sleeved on the fixed open type cylinder 5, the second annular sealing rubber ring 15 is synchronously extruded to form the sealing of the gap, thus, the sealing performance of the gap after the integral filter element mounting assembly 6 is mounted and fixed can be ensured, and the filtering effect of the filter element main body 603 on air can be ensured, the device can not generate air leakage.
The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a gauze mask with filter core replacement function which characterized in that includes:
the mask comprises a face-fitting mask shell (1), wherein the front surface of the face-fitting mask shell (1) is fixedly connected with a sleeve-shaped base (4), the inner side of the sleeve-shaped base (4) is fixedly connected with a fixed open type barrel (5), the side wall of the fixed open type barrel (5) is provided with a rectangular array notch (501), the front surface of the fixed open type barrel (5) is movably sleeved with a filter element integral type installation assembly (6), the front surface of the face-fitting mask shell (1) is movably clamped with a protective outer cover (7), a locking positioning assembly (8) is arranged between the protective outer cover (7) and the face-fitting mask shell (1), the locking positioning assembly (8) comprises a hollow positioning clamping block (801) and at least two groups of positioning blocks (802), and the positioning blocks (802) are fixedly connected to the front surface of the face-fitting mask shell (1), the hollow positioning and clamping blocks (801) are fixedly connected to the side walls of the two sides of the inner cavity of the protective outer cover (7), and the hollow positioning and clamping blocks (801) are movably clamped between the two groups of positioning stop blocks (802);
The sealing rubber elastic gasket (2) is fixedly connected to the edge of the back face of the face-fit mask outer shell (1);
the replaceable elastic hanging rope (3) of the ear part is fixedly connected to two sides of the facial fitting mask shell body (1).
2. The mask according to claim 1, wherein the mask comprises a filter element replacement function, wherein: the integral installation component (6) of filter core includes filter core installation location barrel (601), chucking locating rack (602) and filter core main part (603), the activity of filter core installation location barrel (601) is cup jointed on fixed open barrel (5), filter core main part (603) are cup jointed on filter core installation location barrel (601), chucking locating rack (602) quantity is two sets of and through the bolt fastening on the arc wall of filter core installation location barrel (601) and press from both sides tight fixedly to filter core main part (603).
3. The mask according to claim 2, wherein the mask has a filter element replacement function, and further comprises: the utility model discloses a filter core installation location barrel, including filter core installation location barrel (601), set up annular array ventilation groove (6011) that multiunit array distributes on the arc wall of filter core installation location barrel (601), first screens retaining ring piece of fixedly connected with (6012) and second screens retaining ring piece (6013) on the arc wall of filter core installation location barrel (601), filter core main part (603) are located between first screens retaining ring piece (6012) and second screens retaining ring piece (6013) and laminate with the arc wall of filter core installation location barrel (601).
4. The mask according to claim 3, wherein the mask has a filter element replacement function, and further comprises: the clamping positioning frame (602) comprises at least two groups of arc-shaped attaching rods (6021) and two groups of straight plate type clamping plates (6022), the radian of the arc-shaped attaching rods (6021) corresponds to the outer wall of the filter element mounting and positioning barrel body (601), the straight plate type clamping plates (6022) are fixedly connected to the end parts of the multiple groups of arc-shaped attaching rods (6021), threaded holes are formed in the side walls of the straight plate type clamping plates (6022), and the clamping and fixing functions of the clamping positioning frame (602) are realized through bolts on the straight plate type clamping plates (6022).
5. The mask according to claim 4, wherein the mask comprises a filter element replacement function, wherein: the filter element installing and positioning device is characterized in that a sealed shielding ring (6014) is fixedly connected to the inner side of the filter element installing and positioning cylinder body (601), a second annular inserting groove (14) is formed in a gap between the sealed shielding ring (6014) and the filter element installing and positioning cylinder body (601), a second annular sealing rubber ring (15) is movably clamped on the inner side of the second annular inserting groove (14), and the second annular sealing rubber ring (15) abuts against the front face of the fixed open type cylinder body (5).
6. The mask according to claim 5, wherein the mask has a filter element replacement function, and further comprises: a gap between the fixed open type cylinder body (5) and the sleeve-shaped base (4) forms a first annular slot (12), a first annular sealing rubber ring (13) is movably clamped inside the first annular slot (12), and the filter element mounting and positioning cylinder body (601) is movably inserted inside the first annular slot (12) and abuts against the outer wall of the first annular sealing rubber ring (13).
7. The mask according to claim 1, wherein the mask comprises a filter element replacement function, wherein: locking hole (8021) have been seted up to the lateral wall of location dog (802), the inside of cavity location chucking piece (801) is equipped with the inner chamber, sliding connection has two sets of slip cylinders (803) in the inner chamber of cavity location chucking piece (801), and is two sets of be equipped with pressure spring (804) between slip cylinder (803), pressure spring (804) are in compression state, one side fixedly connected with locking formula grafting locating lever (805) that pressure spring (804) were kept away from in slip cylinder (803), locking formula grafting locating lever (805) pass cavity location chucking piece (801) and the activity is pegged graft in locking hole (8021).
8. The mask according to claim 7, wherein the mask has a filter element replacement function, and further comprises: the lateral wall fixedly connected with T shape sliding control handle (806) of slip cylinder (803), hidden protection spacing fluting (807) has been seted up to the lateral wall of facial laminating gauze mask shell body (1), T shape sliding control handle (806) sliding connection is inside hidden protection spacing fluting (807), waterproof ventilative groove (701) of multiunit tilting has been seted up on the shell of protection dustcoat (7).
9. The mask according to claim 8, wherein the mask has a filter element replacement function, and further comprises: the utility model discloses a facial laminating gauze mask shell body, including facial laminating gauze mask shell body (1), the front fixedly connected with side direction support installation locating lever (11), fixedly connected with side direction support installation sleeve pipe (10) in the inner chamber of protection dustcoat (7), side direction support installation sleeve pipe (10) activity cup joints on side direction support installation locating lever (11), fixedly connected with multiunit rubber supports tight column cap (9) on the inner chamber inner wall of protection dustcoat (7), rubber supports tight column cap (9) and offsets with the outer wall of the integral installation component of filter core (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833004.8A CN113559430B (en) | 2021-07-22 | 2021-07-22 | Gauze mask with filter core replacement function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833004.8A CN113559430B (en) | 2021-07-22 | 2021-07-22 | Gauze mask with filter core replacement function |
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| Publication Number | Publication Date |
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| CN113559430A CN113559430A (en) | 2021-10-29 |
| CN113559430B true CN113559430B (en) | 2022-07-29 |
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| CN211747157U (en) * | 2020-02-25 | 2020-10-27 | 蔡逸纯 | Integral type gauze mask of interchangeable filter core |
| CN212280005U (en) * | 2020-04-14 | 2021-01-05 | 黄雪雪 | Gauze mask of removable filter core |
| CN212306896U (en) * | 2020-04-24 | 2021-01-08 | 深圳市泰华硅胶制品有限公司 | Combined mask |
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2021
- 2021-07-22 CN CN202110833004.8A patent/CN113559430B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004091726A1 (en) * | 2003-04-17 | 2004-10-28 | Wa Chu | Flat-foldable face-mask and process of making same |
| CN206565336U (en) * | 2017-02-20 | 2017-10-20 | 上海湛信科技发展有限公司 | Mouth mask |
| CN209048931U (en) * | 2018-11-07 | 2019-07-02 | 唐山市化学厂有限公司 | A kind of novel anti-poison respirator of moisture-proof anti-rain |
| CN209796066U (en) * | 2019-02-18 | 2019-12-17 | 太和县亚太塑业有限公司 | Food plastic bottle with replaceable liner |
| CN211747157U (en) * | 2020-02-25 | 2020-10-27 | 蔡逸纯 | Integral type gauze mask of interchangeable filter core |
| CN212280005U (en) * | 2020-04-14 | 2021-01-05 | 黄雪雪 | Gauze mask of removable filter core |
| CN212306896U (en) * | 2020-04-24 | 2021-01-08 | 深圳市泰华硅胶制品有限公司 | Combined mask |
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| Publication number | Publication date |
|---|---|
| CN113559430A (en) | 2021-10-29 |
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