CN211751912U - Suction valve movable connecting seat of dustproof gas-defense half mask - Google Patents
Suction valve movable connecting seat of dustproof gas-defense half mask Download PDFInfo
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- CN211751912U CN211751912U CN202020195082.0U CN202020195082U CN211751912U CN 211751912 U CN211751912 U CN 211751912U CN 202020195082 U CN202020195082 U CN 202020195082U CN 211751912 U CN211751912 U CN 211751912U
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- joint
- suction valve
- dustproof
- lock joint
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Abstract
The utility model relates to a suction valve swing joint seat of dustproof gas protection half mask, which belongs to the technical field of accessories of gas protection half masks. This dustproof gas defense half face guard's inspiratory valve swing joint seat includes lock joint formula disk seat and filter core fixing base, and the preparation has the joint recess on the surface of lock joint formula disk seat, the preparation have with joint recess complex lock joint locking claw on the filter core fixing base, lock joint formula disk seat and filter core fixing base are connected through lock joint recess and lock joint locking claw and are set up. The utility model discloses form a recess with the face guard joint in the centre between lock joint formula disk seat and filter core fixing base, can make and play sealed effect between the two, can prevent again that the face guard from droing, the joint is firm, installation labour saving and time saving, and is sealed effectual. The gas suction valve seat and the filter element fixing seat are integrally formed, the process is complex during manufacturing, time and labor are wasted during connection and installation, and the gas suction valve seat and the filter element fixing seat are easy to fall off during use, so that the problem that toxic gas is sucked into a human body is solved.
Description
Technical Field
The utility model relates to a suction valve swing joint seat of dustproof gas protection half mask, which belongs to the technical field of accessories of gas protection half masks.
Background
The gas mask is needed in many places in life and work of people, particularly in rescue places, and the gas mask needs to be changed or replaced in time along with the environmental change of the use places and the increase of wearing time; the air suction valve seat and the filter element fixing seat on the mask body of the existing gas mask are of an integrated structure, the filter element fixing seat and the mask are connected through connecting grooves, so that the process is complex when the filter element fixing seat is manufactured, the rate of certified products is difficult to guarantee, the filter element fixing seat is extremely inconvenient to install when being connected with the mask, time and labor are wasted, automatic production cannot be realized, and the mask and the filter element fixing seat are easy to fall off during use, so that toxic gas is sucked into a human body.
Disclosure of Invention
An object of the utility model is to the not enough of above-mentioned prior art, provide one kind by lock joint formula disk seat and filter core fixing base through the jack catch joint, the preparation of lock joint formula disk seat middle part has the suction valve mounting hole, the joint is firm, simple to operate makes the suction valve swing joint seat of easy dustproof gas defense half face guard.
The utility model discloses a realize above-mentioned purpose through following technical scheme:
this dustproof gas defense half face guard's inspiratory valve swing joint seat includes lock joint formula disk seat and filter core fixing base, its characterized in that, the surface of lock joint formula disk seat serve near one of filter core fixing base and serve the preparation and have the joint recess, the preparation has on the filter core fixing base with joint recess complex lock joint locking claw, lock joint formula disk seat and filter core fixing base are connected through joint recess and lock joint locking claw and are set up.
The number of the clamping grooves is 2-5, and the clamping grooves are rectangular arc-shaped grooves.
The number of the buckling locking claws is the same as that of the clamping grooves, and the claw tips of the buckling locking claws tilt 30-45 degrees towards the central line direction of the filter element fixing seat.
The buckling type valve seat and the filter element fixing seat are buckled to form a groove, the mask body is arranged in the groove, and the mask body is pressed and fastened together after the buckling type valve seat and the filter element fixing seat are buckled.
And an air suction valve mounting hole is formed in the center of the buckled valve seat.
And a top supporting rib plate is manufactured on one side of the buckled valve seat close to the mask body, and the outer end of the top supporting rib plate is 5-20 cm higher than the outer surface of the buckled valve seat.
Compared with the prior art, the utility model beneficial effect lie in:
the outer surface of the fastening type valve seat of the suction valve movable connecting seat of the dustproof and gas-defense half mask is provided with a clamping groove, the filter element fixing seat is provided with a fastening locking claw matched with the clamping groove, and the fastening type valve seat and the filter element fixing seat are connected and fastened through the clamping groove and the fastening locking claw. A groove is formed between the buckled valve seat and the filter element fixing seat to clamp the mask in the middle, so that the mask can be sealed and prevented from falling off, the clamping is firm, and the installation is convenient; an air suction valve mounting hole is formed in the middle of the fastening type valve seat, and the air suction valve is simple and convenient to mount; the suction valve movable connecting seat of the dustproof and gas-defense half mask is easy to manufacture, time-saving and labor-saving to install, good in sealing effect and firm in clamping connection. The gas suction valve seat and the filter element fixing seat on the mask body of the existing gas mask are integrated into one piece, the filter element fixing seat is connected with the mask through the connecting grooves, the process is complex when the filter element fixing seat is manufactured, the rate of certified products is difficult to guarantee, time and labor are wasted when the filter element fixing seat is connected with the mask, automatic production cannot be realized, the mask and the filter element fixing seat are easy to drop during use, and the problem that toxic gas is sucked into a human body is caused.
Drawings
FIG. 1 is a schematic view of a movable connection seat of an inhalation valve of a dustproof and gas-defense half mask;
FIG. 2 is a schematic view of the assembled movable connection seat of the inhalation valve of the dustproof and gas-defense half mask;
FIG. 3 is a schematic diagram of a side view of the assembled inhalation valve movably connecting base of the dustproof and gas half mask;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 2;
FIG. 5 is an enlarged view of FIG. 3 at B;
FIG. 6 is a schematic diagram of the dispersion of FIG. 5;
fig. 7 is an exploded view of the assembled inhalation valve movable connecting seat of the dustproof and gas-defense half mask.
In the figure: 1. the filter element comprises a buckling type valve seat 1-1, a clamping groove 1-2, an air suction valve mounting hole 1-3, a top support rib plate 2, a mask body 3, a filter element fixing seat 3-1 and a buckling locking claw.
Detailed Description
The suction valve movable connecting seat of the dustproof and gas-defense half mask comprises a buckling type valve seat 1 and a filter element fixing seat 3, wherein one end, close to the filter element fixing seat 3, of the outer surface of the buckling type valve seat 1 is provided with 1-1 clamping grooves, the number of the 1-1 clamping grooves is 2-5, the clamping grooves are generally 4, the 1-1 clamping grooves are rectangular arc-shaped grooves, and the depth of the grooves is 2-5 mm. The filter element fixing seat 3 is provided with a buckling locking claw 3-1 matched with the clamping groove 1-1, the number of the buckling locking claw 3-1 is the same as that of the clamping groove 1-1, the claw tip of the buckling locking claw 3-1 tilts towards the central line direction of the filter element fixing seat 3 by 30-45 degrees, and the buckling valve seat 1 and the filter element fixing seat 3 are connected and fastened through the clamping groove 1-1 and the buckling locking claw 3-1. The lock joint type valve seat 1 and the filter element fixing seat 3 are locked and then form a groove, the edge of a middle hole of the mask body 2 is arranged in the groove, the edge of the mask body 2 is pressed and fastened together after the lock joint type valve seat 1 and the filter element fixing seat 3 are locked and then fastened together, and therefore the contact part between the mask body 2 and the lock joint type valve seat 1 and the filter element fixing seat 3 can be completely sealed. Play the role of sealing and anti-dropping. An air suction valve mounting hole 1-2 is formed in the center of the buckled valve seat 1, the air suction valve can be movably inserted into the air suction valve mounting hole 1-2, a top supporting rib plate 1-3 is formed on one side, close to the face shield body 2, of the buckled valve seat 1, the outer end of the top supporting rib plate 1-3 is 5-20 cm higher than the outer surface of the buckled valve seat 1, and the outer end of the top supporting rib plate 1-3 supports the filter cotton so that the filter cotton is not shielded by the filter cotton.
The buckling type valve seat 1 and the filter element fixing seat 3 of the suction valve movable connecting seat of the dustproof and gas defense half mask are connected and fastened through the buckling and locking groove 1-1 and the buckling and locking claw 3-1, so that the buckling and locking type valve seat and the filter element fixing seat can play a role in sealing, the mask can be prevented from falling off, the buckling and locking are firm, and the installation is convenient; an air suction valve mounting hole is formed in the middle of the fastening type valve seat, and the air suction valve is simple and convenient to mount; the suction valve movable connecting seat of the dustproof and gas-defense half mask is easy to manufacture, time-saving and labor-saving to install, good in sealing effect and capable of realizing automatic production.
The above description is only a preferred embodiment of the present invention, and the above illustration does not limit the essence of the present invention in any form, and any simple modification or variation of the above embodiments based on the technical essence of the present invention and equivalent embodiments which may be changed or modified to equivalent variations by using the technical essence of the present invention by those of ordinary skill in the art after reading the present description still belong to the technical solution of the present invention without departing from the essence and scope of the present invention.
Claims (6)
1. The utility model provides an inspiratory valve swing joint seat of dustproof gas defense half face guard, includes lock joint formula disk seat (1) and filter core fixing base (3), its characterized in that, the surface of lock joint formula disk seat (1) be close to one of filter core fixing base (3) and serve the preparation and have joint recess (1-1), the preparation has lock joint locking claw (3-1) with joint recess (1-1) complex on filter core fixing base (3), lock joint formula disk seat (1) and filter core fixing base (3) are connected through joint recess (1-1) and lock joint locking claw (3-1) and are fastened.
2. The suction valve articulated coupling of a dustproof and antigas half mask as set forth in claim 1, wherein: the number of the clamping grooves (1-1) is 2-5, and the clamping grooves (1-1) are rectangular arc-shaped grooves.
3. The suction valve articulated coupling of a dustproof and antigas half mask as set forth in claim 1, wherein: the number of the buckling locking claws (3-1) is the same as that of the clamping grooves (1-1), and the claw tips of the buckling locking claws (3-1) tilt 30-45 degrees towards the central line direction of the filter element fixing seat (3).
4. The suction valve articulated coupling of a dustproof and antigas half mask as set forth in claim 1, wherein: the fastening type valve seat (1) and the filter element fixing seat (3) are fastened to form a groove, the mask body (2) is arranged in the groove, and the mask body (2) is fastened together through the fastening type valve seat (1) and the filter element fixing seat (3) in a pressing mode.
5. The suction valve articulated coupling of a dustproof and antigas half mask as set forth in claim 1, wherein: an air suction valve mounting hole (1-2) is formed in the center of the buckled valve seat (1).
6. The suction valve articulated coupling of a dustproof and antigas half mask as set forth in claim 1, wherein: one side of the buckled valve seat (1) close to the face cover body (2) is provided with a top supporting rib plate (1-3), and the outer end of the top supporting rib plate (1-3) is 5-20 cm higher than the outer surface of the buckled valve seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020195082.0U CN211751912U (en) | 2020-02-22 | 2020-02-22 | Suction valve movable connecting seat of dustproof gas-defense half mask |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020195082.0U CN211751912U (en) | 2020-02-22 | 2020-02-22 | Suction valve movable connecting seat of dustproof gas-defense half mask |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211751912U true CN211751912U (en) | 2020-10-27 |
Family
ID=72907852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020195082.0U Active CN211751912U (en) | 2020-02-22 | 2020-02-22 | Suction valve movable connecting seat of dustproof gas-defense half mask |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211751912U (en) |
-
2020
- 2020-02-22 CN CN202020195082.0U patent/CN211751912U/en active Active
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