CN214435938U - Filter tip quick change mechanism of multi-functional face guard for chemical production - Google Patents

Filter tip quick change mechanism of multi-functional face guard for chemical production Download PDF

Info

Publication number
CN214435938U
CN214435938U CN202022782461.2U CN202022782461U CN214435938U CN 214435938 U CN214435938 U CN 214435938U CN 202022782461 U CN202022782461 U CN 202022782461U CN 214435938 U CN214435938 U CN 214435938U
Authority
CN
China
Prior art keywords
filter
cover
quick
change
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202022782461.2U
Other languages
Chinese (zh)
Inventor
黄涛
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chizhou Hongtai Safety Technology Affairs Co ltd
Original Assignee
Chizhou Hongtai Safety Technology Affairs Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chizhou Hongtai Safety Technology Affairs Co ltd filed Critical Chizhou Hongtai Safety Technology Affairs Co ltd
Priority to CN202022782461.2U priority Critical patent/CN214435938U/en
Application granted granted Critical
Publication of CN214435938U publication Critical patent/CN214435938U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Separation Using Semi-Permeable Membranes (AREA)

Abstract

The utility model relates to a face guard filter tip installation technical field specifically is a filter tip quick change mechanism of multi-functional face guard for chemical production, include: a filter tip cover base; a quick-change connecting cover; the filter tip mounting cover, the filter tip cover base, the quick-change connecting cover and the filter tip mounting cover are coaxially arranged; the filter element is arranged inside the filter mounting cover; the filter tip cover base is provided with: a first filter screen; a first connecting ring; the quick-change connecting cover is provided with: a rubber seal ring; a second filter screen; the filter mounting cover is provided with: a second connection ring; an outer filter screen; the utility model discloses a filter tip quick change mechanism of multi-functional face guard for chemical production can realize changing the installation fast accurately, compares in prior art, and this filter tip quick change mechanism of multi-functional face guard for chemical production all carries out sealed processing each filter part, and is sealed effectual, and the filter effect is better, has promoted the product practicality.

Description

Filter tip quick change mechanism of multi-functional face guard for chemical production
Technical Field
The utility model relates to a face guard filter tip installation technical field specifically is a filter tip quick change mechanism of multi-functional face guard for chemical production.
Background
In recent years, haze weather is more and more serious, particularly in winter, pm2.5 seriously exceeds the standard, and the formaldehyde content of a decorated place also often exceeds the standard, so that more multifunctional masks are needed for protection.
Traditional filter mask's filter core is comparatively loaded down with trivial details when changing, and the installation is dismantled and all need consume a large amount of time, and among the prior art, can't guarantee the leakproofness after changing multi-functional face guard filter tip, leads to the face guard filter effect poor, has reduced its result of use.
Therefore, it is necessary to design a filter tip quick-change mechanism of a multifunctional mask for chemical production to solve the above problems.
SUMMERY OF THE UTILITY MODEL
For solving above-mentioned technical problem, provide a filter tip quick change mechanism of multi-functional face guard for chemical production, this technical scheme has solved traditional filter mask's filter core when changing comparatively loaded down with trivial details, and the installation is dismantled and all need consume a large amount of time, and among the prior art, can't guarantee the leakproofness after changing multi-functional face guard filter tip, leads to the face guard filter effect poor, has reduced its result of use scheduling problem.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the utility model provides a filter tip quick change mechanism of multi-functional face guard for chemical production, includes:
the filter tip cover base is used for detachably mounting the quick-change mechanism into the multifunctional mask;
the quick-change connecting cover is arranged on one side of the filter tip cover base, and the outer side wall of the quick-change connecting cover is detachably connected with the inner side wall of the filter tip cover base;
the filter mounting cover is arranged on one side, away from the filter mounting base, of the quick-change connecting cover, one end of the filter mounting cover is detachably connected with the filter mounting base through the quick-change connecting cover, and the filter mounting base, the quick-change connecting cover and the filter mounting cover are coaxially arranged;
the filter element is arranged in the filter mounting cover and is used for achieving a high filtering effect;
the filter tip cover base is provided with:
the first filter screen is arranged on one side of the filter tip cover base and is used for achieving a primary filtering effect;
the filter tip cover comprises a filter tip cover base, a first connecting ring, a quick-change connecting cover and a second connecting ring, wherein the first connecting ring is arranged on one side, away from a first filter screen, of the filter tip cover base;
the quick-change connecting cover is provided with:
the two rubber sealing rings are respectively arranged on two sides of the quick-change connecting cover and are used for sealing the connection positions of the filter cover base, the filter mounting cover and the quick-change connecting cover;
the second filter screen is arranged on one side, close to the filter tip cover base, of the quick-change connecting cover and is used for achieving a primary filtering effect;
the filter mounting cover is provided with:
the filter mounting cover is arranged on the quick-change connecting cover, and the outer diameter of the filter mounting cover is consistent with the inner diameter of the quick-change connecting cover;
the outside filter screen is installed in one side that quick change connection cover was kept away from to filter tip installation cover for play preliminary filter effect.
As an optimization scheme of the filter tip quick change mechanism of the multifunctional mask for chemical production, the outer side wall of the base of the filter tip cover is provided with a first outer wall screwing thread for the threaded connection of the multifunctional mask.
As an optimal scheme of filter tip quick change mechanism of multi-functional face guard for chemical production, the annular is equipped with a plurality of spring on the lateral wall of quick change connecting cover, and the tip of spring passes through the inside fixed connection of locking round pin and quick change connecting cover, has seted up on the inner wall of first connecting ring and has supplied spring pivoted spacing mounting groove, still seted up on the spacing mounting groove with locking round pin complex locking hole.
As an optimization scheme of the filter tip quick change mechanism of the multifunctional mask for chemical production, the inner wall of the quick change connection cover is provided with a screwing thread used for installing the filter tip installation cover, the outer side of a second connection ring of the filter tip installation cover is provided with a screwing thread matched with the screwing thread of the inner wall, and the quick change connection cover and the filter tip installation cover are connected through the screwing thread of the inner wall and the screwing thread of the second outer side.
As an optimal scheme of the filter tip quick change mechanism of the multifunctional mask for chemical production, one side of the filter tip installation cover close to the filter screen on the outer side is further provided with a rubber extrusion ring, one side of the rubber extrusion ring is fixedly installed on the inner wall of the filter tip installation cover, the longitudinal section of the rubber extrusion ring is triangular, and the tip of the rubber extrusion ring points to the installation position of the filter core.
As a filter tip quick change mechanism's of multi-functional face guard for chemical production preferred scheme, the filter core includes:
the rubber mounting ring is arranged in the filter mounting cover, the outer diameter of the rubber mounting ring is consistent with the inner diameter of the second connecting ring, and the rubber mounting ring is used for mounting the filter element into the filter mounting cover in a sealing manner so as to improve the sealing property of the filter element;
and the biological filtering membrane is arranged on the rubber mounting ring and used for purifying and filtering air so as to realize accurate filtering effect.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model discloses a filter tip quick change mechanism of multi-functional face guard for chemical production can realize changing the installation fast accurately, compares in prior art, and this filter tip quick change mechanism of multi-functional face guard for chemical production all carries out sealed processing each filter part, and is sealed effectual, and the filter effect is better, has promoted the product practicality.
Drawings
Fig. 1 is a schematic perspective view of the present invention;
fig. 2 is a front view of the present invention;
fig. 3 is a rear view of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is a perspective exploded view of the present invention;
fig. 6 is a schematic perspective view of the filter tip cover base according to the present invention;
figure 7 is the utility model discloses a filter tip installation cover's spatial structure sketch map.
The reference numbers in the figures are:
1-a filter tip cover base; 2-quick-change connecting cover; 3-filter mounting cover; 4-a filter element; 5-a first filter screen; 6-a first connecting ring; 7-a rubber sealing ring; 8-a second filter screen; 9-a second connecting ring; 10-outer side filter screen; 11-first outer wall screw threads; 12-a spring; 13-a locking pin; 14-a limit mounting groove; 15-a locking hole; 16-screwing threads on the inner wall; 17-second outside tightening thread; 18-a rubber extrusion ring; 19-a rubber mounting ring; 20-biofiltration membrane.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
Referring to fig. 1-5, a filter tip quick-change mechanism of a multifunctional mask for chemical production comprises:
the filter tip cover base 1 is used for detachably installing the quick-change mechanism into the multifunctional mask;
the quick-change connecting cover 2 is arranged on one side of the filter tip cover base 1, and the outer side wall of the quick-change connecting cover 2 is detachably connected with the inner side wall of the filter tip cover base 1;
the filter mounting cover 3 is arranged on one side, away from the filter cover base 1, of the quick-change connecting cover 2, one end of the filter mounting cover 3 is detachably connected with the filter cover base 1 through the quick-change connecting cover 2, and the filter cover base 1, the quick-change connecting cover 2 and the filter mounting cover 3 are coaxially arranged;
the filter element 4 is arranged inside the filter mounting cover 3 and is used for achieving a high filtering effect;
be equipped with on filter tip cover base 1:
the first filter screen 5 is arranged on one side of the filter tip cover base 1 and is used for achieving a primary filtering effect;
the first connecting ring 6 is arranged on one side, away from the first filter screen 5, of the filter tip cover base 1, the outer diameter of the first connecting ring 6 is consistent with that of the filter tip cover base 1, and the inner diameter of the first connecting ring 6 is consistent with that of the quick-change connecting cover 2 and used for installing the quick-change connecting cover 2;
the quick-change connecting cover 2 is provided with:
the two rubber sealing rings 7 are respectively arranged on two sides of the quick-change connecting cover 2 and used for sealing the connection part of the filter cover base 1, the filter mounting cover 3 and the quick-change connecting cover 2;
the second filter screen 8 is arranged on one side, close to the filter tip cover base 1, of the quick-change connecting cover 2 and is used for achieving a primary filtering effect;
the filter mounting cover 3 is provided with:
the second connecting ring 9 is arranged on one side, close to the quick-change connecting cover 2, of the filter mounting cover 3, the outer diameter of the second connecting ring 9 is consistent with the inner diameter of the quick-change connecting cover 2, the second connecting ring is used for mounting the filter element 4, and the filter mounting cover 3 is mounted on the quick-change connecting cover 2;
and the outer filter screen 10 is arranged on one side of the filter tip installation cover 3 far away from the quick-change connecting cover 2 and is used for achieving a primary filtering effect.
The outer side wall of the filter tip cover base 1 shown in the figure 6 is provided with a first outer wall screwing thread 11 for the multifunctional mask to be screwed. In this quick change mechanism installation, screw thread 11 through first outer wall and can be with filter tip cover base 1 fixed mounting to multi-functional face guard in to the filter function of device to multi-functional face guard is realized.
Referring to fig. 4-6, a plurality of springs 12 are annularly disposed on an outer side wall of the quick-change coupler 2, an end portion of each spring 12 is fixedly connected to an inside of the quick-change coupler 2 through a locking pin 13, a limiting installation groove 14 for allowing the springs 12 to rotate is formed in an inner wall of the first coupler 6, and a locking hole 15 matched with the locking pin 13 is further formed in the limiting installation groove 14. Install to filter tip cover base 1 in-process at quick change coupling cover 2, insert filter tip cover base 1 with quick change coupling cover 2 on, can carry on spacingly to the rotation of locking pin 13 through the inside spacing mounting groove 14 of first connector ring 6, when locking pin 13 reachs locking hole 15 positions, spring 12 elasticity promotes locking pin 13 and pops out forward, impress locking pin 13 in locking hole 15, realize filter tip cover base 1 and quick change coupling cover 2's fixed effect, when needs are dismantled quick change coupling cover 2, outwards pull out through exerting oneself manually, realize convenient installation and dismantlement function.
Referring to fig. 4, the inner wall of the quick-change connection cover 2 is provided with an inner wall screwing thread 16 for installing the filter mounting cover 3, the outer side wall of the second connection ring 9 of the filter mounting cover 3 is provided with a second outer screwing thread 17 matched with the inner wall screwing thread 16, and the quick-change connection cover 2 and the filter mounting cover 3 are in threaded connection through the inner wall screwing thread 16 and the second outer screwing thread 17. When 3 installations of filter installation cover, place into filter installation cover 3 inside with filter core 4 earlier, rethread inner wall screw thread 16 and the tight screw thread 17 of second outside install filter installation cover 3 to quick change connection cover 2 in, and then filter core 4 compaction is in filter installation cover 3, has realized the installation of filter installation cover 3 and filter core 4.
The filter mounting cover 3 shown by referring to fig. 7 is also provided with a rubber extrusion ring 18 at one side close to the outer filter screen 10, one side of the rubber extrusion ring 18 is fixedly arranged on the inner wall of the filter mounting cover 3, the longitudinal section of the rubber extrusion ring 18 is triangular, and the tip of the rubber extrusion ring 18 points to the mounting position of the filter element 4. Filter installation cover 3 inside back is advanced in the installation of filter core 4, with filter installation cover 3 install into quick change connection cover 2, through quick change connection cover 2 and the extrusion of filter installation cover 3 to filter core 4 for filter core 4 firmly extrudes inside filter installation cover 3, and the innermost side of filter core 4 extrudes rubber extrusion ring 18, and then is sealed with filter core 4 and filter installation cover 3's contact side, improves the filter effect.
The cartridge 4 shown with reference to fig. 5 comprises:
the rubber mounting ring 19 is arranged in the filter mounting cover 3, the outer diameter of the rubber mounting ring 19 is consistent with the inner diameter of the second connecting ring 9, and the rubber mounting ring is used for sealing and mounting the filter element 4 into the filter mounting cover 3 and improving the sealing property of the filter element 4;
and the biological filtering membrane 20 is arranged on the rubber mounting ring 19 and is used for purifying and filtering air so as to realize accurate filtering effect. At filter core 4 during operation, through rubber collar 19 with biological filtration membrane 20 seal installation to filter tip installation cover 3 in, realize the filter effect to the air through biological filtration membrane 20, filter core 4 can realize convenient change in filter tip installation cover 3.
The utility model discloses a theory of operation:
in the installation process of the quick-change mechanism, the filter cover base 1 can be fixedly installed in the multifunctional mask through the first outer wall screwing thread 11, the quick-change connecting cover 2 is inserted into the filter cover base 1 in the installation process of the quick-change connecting cover 2 to the filter cover base 1, the rotation of the locking pin 13 can be limited through the limiting installation groove 14 in the first connecting ring 6, when the locking pin 13 reaches the position of the locking hole 15, the spring 12 elastically pushes the locking pin 13 to pop out forwards to press the locking pin 13 into the locking hole 15, the fixing effect of the filter cover base 1 and the quick-change connecting cover 2 is realized, when the quick-change connecting cover 2 needs to be disassembled, the filter element 4 is pulled out through manual force, the convenient installation and disassembly functions are realized, when the filter installation cover 3 is installed, the filter element 4 is firstly placed into the filter installation cover 3, then the filter installation cover 3 is installed into the quick-change connecting cover 2 through the inner wall screwing thread 16 and the second outer screwing thread 17, and then 4 compactings of filter core are in filter tip installation cover 3, have realized the installation of filter tip installation cover 3 and filter core 4, at filter core 4 during operation, through rubber collar 19 with biofiltration membrane 20 seal mounting to filter tip installation cover 3 in, realize the filter effect to the air through biofiltration membrane 20, filter core 4 can realize convenient change in filter tip installation cover 3, the utility model discloses a filter tip quick change mechanism of multi-functional face guard for chemical production can accurately realize changing the installation fast, and each filter part all carries out sealing treatment, and is sealed effectual, and the filter effect is better, has promoted the product practicality.
This equipment/device/method realizes through following step the utility model discloses a function, and then solved the utility model provides a technical problem:
step one, in this quick change mechanism installation, screw the screw thread 11 through first outer wall and can be with filter tip cover base 1 fixed mounting to multi-functional face guard in to the filter function of device to multi-functional face guard is realized.
Step two, install to filter tip cover base 1 in-process at quick change connecting cover 2, insert filter tip cover base 1 with quick change connecting cover 2 on, can carry on spacingly to the rotation of locking round pin 13 through the inside spacing mounting groove 14 of first connecting ring 6, when locking round pin 13 reachs locking hole 15 positions, spring 12 elasticity promotes locking round pin 13 and pops out forward, impress locking round pin 13 in locking hole 15, realize filter tip cover base 1 and quick change connecting cover 2's fixed effect, when needs are dismantled quick change connecting cover 2, outwards drag out through artifical exerting oneself, realize convenient installation and dismantlement function.
Step three, when filter installation cover 3 is installed, place filter core 4 into filter installation cover 3 earlier inside, rethread inner wall screw thread 16 and second outside screw thread 17 install filter installation cover 3 to quick change connector housing 2 in, and then filter core 4 compaction has realized the installation of filter installation cover 3 and filter core 4 in filter installation cover 3.
Step four, after filter 4 installs filter installation cover 3 inside, install filter installation cover 3 into quick change connection cover 2, through quick change connection cover 2 and the extrusion of filter installation cover 3 to filter core 4 for filter core 4 firmly extrudes inside filter installation cover 3, and the innermost side of filter core 4 extrudes rubber extrusion ring 18, and then seals filter core 4 and filter installation cover 3's contact side, improves the filter effect.
Step five, when the filter element 4 works, the biological filtering membrane 20 is hermetically installed in the filter mounting cover 3 through the rubber mounting ring 19, the filtering effect on air is realized through the biological filtering membrane 20, and the filter element 4 can be conveniently replaced in the filter mounting cover 3.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a filter tip quick change mechanism of multi-functional face guard for chemical production which characterized in that includes:
the filter tip cover base (1) is used for detachably mounting the quick-change mechanism into the multifunctional mask;
the quick-change connecting cover (2) is arranged on one side of the filter tip cover base (1), and the outer side wall of the quick-change connecting cover (2) is detachably connected with the inner side wall of the filter tip cover base (1);
the filter mounting cover (3) is arranged on one side, away from the filter cover base (1), of the quick-change connecting cover (2), one end of the filter mounting cover (3) is detachably connected with the filter cover base (1) through the quick-change connecting cover (2), and the filter cover base (1), the quick-change connecting cover (2) and the filter mounting cover (3) are coaxially arranged;
the filter element (4) is arranged inside the filter mounting cover (3) and is used for achieving a high filtering effect;
the filter tip cover base (1) is provided with:
the first filter screen (5) is arranged on one side of the filter tip cover base (1) and is used for achieving a primary filtering effect;
the filter tip cover comprises a filter tip cover base (1), a first connecting ring (6) and a quick-change connecting cover (2), wherein the first connecting ring (6) is arranged on one side, far away from a first filter screen (5), of the filter tip cover base (1), the outer diameter of the first connecting ring (6) is consistent with the outer diameter of the filter tip cover base (1), and the inner diameter of the first connecting ring (6) is consistent with the outer diameter of the quick-change connecting cover (2) and is used for installing the quick-change connecting cover (2);
the quick-change connecting cover (2) is provided with:
the two rubber sealing rings (7) are respectively arranged on two sides of the quick-change connecting cover (2) and used for sealing the connection part of the filter cover base (1), the filter mounting cover (3) and the quick-change connecting cover (2);
the second filter screen (8) is arranged on one side, close to the filter tip cover base (1), of the quick-change connecting cover (2) and is used for achieving a primary filtering effect;
the filter mounting cover (3) is provided with:
the second connecting ring (9) is arranged on one side, close to the quick-change connecting cover (2), of the filter mounting cover (3), the outer diameter of the second connecting ring (9) is consistent with the inner diameter of the quick-change connecting cover (2) and used for mounting the filter element (4), and the filter mounting cover (3) is mounted on the quick-change connecting cover (2);
and the outer side filter screen (10) is arranged on one side of the filter tip installation cover (3) far away from the quick-change connecting cover (2) and is used for achieving a primary filtering effect.
2. The filter quick-change mechanism of the multifunctional mask for chemical production according to claim 1, wherein the outer side wall of the base (1) of the filter cover is provided with a first outer wall screwing thread (11) for the multifunctional mask to be in threaded connection.
3. The filter tip quick-change mechanism of the multifunctional mask for the chemical production according to claim 1, wherein a plurality of springs (12) are annularly arranged on an outer side wall of the quick-change connection cover (2), end portions of the springs (12) are fixedly connected with the inside of the quick-change connection cover (2) through locking pins (13), a limiting installation groove (14) for the springs (12) to rotate is formed in an inner wall of the first connection ring (6), and locking holes (15) matched with the locking pins (13) are further formed in the limiting installation groove (14).
4. The filter quick-change mechanism of the multifunctional mask for the chemical production is characterized in that inner wall screwing threads (16) for installing the filter mounting cover (3) are arranged on the inner wall of the quick-change connecting cover (2), second outer screwing threads (17) matched with the inner wall screwing threads (16) are arranged on the outer side wall of a second connecting ring (9) of the filter mounting cover (3), and the quick-change connecting cover (2) and the filter mounting cover (3) are in threaded connection through the inner wall screwing threads (16) and the second outer screwing threads (17).
5. The filter quick-change mechanism of the multifunctional mask for the chemical production is characterized in that a rubber extrusion ring (18) is further arranged on one side, close to the outer filter screen (10), of the filter mounting cover (3), one side of the rubber extrusion ring (18) is fixedly mounted on the inner wall of the filter mounting cover (3), the longitudinal section of the rubber extrusion ring (18) is triangular, and the tip end of the rubber extrusion ring (18) points to the mounting position of the filter element (4).
6. The filter quick-change mechanism of the multifunctional mask for chemical production according to claim 1, wherein the filter element (4) comprises:
the rubber mounting ring (19) is arranged in the filter mounting cover (3), the outer diameter of the rubber mounting ring (19) is consistent with the inner diameter of the second connecting ring (9), and the rubber mounting ring is used for mounting the filter element (4) into the filter mounting cover (3) in a sealing mode, so that the sealing performance of the filter element (4) is improved;
and the biological filtering membrane (20) is arranged on the rubber mounting ring (19) and is used for purifying and filtering air so as to realize accurate filtering effect.
CN202022782461.2U 2020-11-25 2020-11-25 Filter tip quick change mechanism of multi-functional face guard for chemical production Active CN214435938U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022782461.2U CN214435938U (en) 2020-11-25 2020-11-25 Filter tip quick change mechanism of multi-functional face guard for chemical production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022782461.2U CN214435938U (en) 2020-11-25 2020-11-25 Filter tip quick change mechanism of multi-functional face guard for chemical production

Publications (1)

Publication Number Publication Date
CN214435938U true CN214435938U (en) 2021-10-22

Family

ID=78184547

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022782461.2U Active CN214435938U (en) 2020-11-25 2020-11-25 Filter tip quick change mechanism of multi-functional face guard for chemical production

Country Status (1)

Country Link
CN (1) CN214435938U (en)

Similar Documents

Publication Publication Date Title
CN214435938U (en) Filter tip quick change mechanism of multi-functional face guard for chemical production
CN204380436U (en) A kind of baking heat delivery filter
CN207693091U (en) A kind of raw ear acupuncture and wrist-watch
CN206919092U (en) A kind of easily removable and washable smoke exhaust ventilator of filter screen
CN103371551B (en) The draw bail of motorcycle helmet face shield
CN107568853A (en) A kind of raw ear acupuncture and wrist-watch
CN206700920U (en) A kind of pre-filtering device of water purifier
CN202136841U (en) Pressing plate of filter press
CN214535055U (en) Novel telescopic joint
CN211097963U (en) Antifouling cage for air purifier
CN216019285U (en) Detachable dustproof mask
CN205244074U (en) But quick assembly disassembly's locking Assembly
CN204187587U (en) A kind of LED lamp respirator
CN203886287U (en) Convenient rapid mounting structure for filter element of water purifier
CN108825836B (en) Pressure regulating filter
CN215137649U (en) Water purifier with conveniently replaced filter element
CN203436918U (en) Pipeline filter provided with rapidly replaceable filter elements
CN204119338U (en) Camera easy to assemble
CN204968308U (en) Framework module
CN205164232U (en) Essence discharge gate filter equipment
CN106579668A (en) Clamping device and smart bracelet
CN217355941U (en) Valve connector
CN109237692A (en) Upper plus water humidifier cap assemblies and upper plus water humidifier
CN220105420U (en) VR headset convenient to detach
CN209909397U (en) Novel water-saving hose

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant