CN221075390U - Bolt type waterproof air-permeable valve - Google Patents
Bolt type waterproof air-permeable valve Download PDFInfo
- Publication number
- CN221075390U CN221075390U CN202322886463.XU CN202322886463U CN221075390U CN 221075390 U CN221075390 U CN 221075390U CN 202322886463 U CN202322886463 U CN 202322886463U CN 221075390 U CN221075390 U CN 221075390U
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- Prior art keywords
- valve
- waterproof
- bolt
- valve body
- case
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- 239000012528 membrane Substances 0.000 claims abstract description 16
- 238000003825 pressing Methods 0.000 claims description 18
- 238000009423 ventilation Methods 0.000 claims description 4
- 230000007423 decrease Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
The utility model belongs to the technical field of waterproof breather valve, concretely relates to waterproof breather valve of bolt-type, including bolt-type valve body and case, the air vent has been seted up on the bolt-type valve body, a plurality of exhaust holes have been seted up on the case, the inside of a plurality of exhaust holes all is equipped with waterproof breather membrane, the case can act on the bolt-type valve body, a plurality of waterproof breather membranes can be in proper order with the air vent relatively in the case course of action, the valve pocket that is linked together with the air vent has been seted up on bolt-type valve body upper portion, the appearance of case is cylindric, a plurality of exhaust holes are annular array on the case, the case rotates the inside of connecting at the air vent, and the interval of exhaust hole and air vent and bolt-type valve body axle center is the same, the upper portion detachable of bolt-type valve body is equipped with carries out spacing pressure cap to the case, the central point of pressure cap puts and has seted up the centre bore with exhaust hole looks adaptation. The utility model discloses can prolong waterproof ventilated valve's life through the switching to waterproof ventilated membrane.
Description
Technical Field
The utility model belongs to the technical field of waterproof breather valve, concretely relates to waterproof breather valve of bolt type.
Background
In some sealing structures, a waterproof ventilation valve is required to be used for packaging the stability of the sealing structure, so that the condition that the sealing structure is contracted or internally expanded due to cold or heat is avoided, and the use safety of the sealing device is enhanced;
For example, china patent with the publication number of CN209671703U discloses a plastic integrated waterproof ventilation valve which has good impact resistance, high strength, low production cost, high gas exchange efficiency and convenient installation;
However, as the waterproof and breathable composite membrane is used for separating liquid and gas, the service life of the waterproof and breathable composite membrane is limited, and after the waterproof and breathable composite membrane is damaged, the liquid and gas separation of the waterproof and breathable valve is greatly affected, so that the service life of the waterproof and breathable valve is limited.
Disclosure of utility model
The utility model aims at providing a waterproof ventilative valve of bolt formula can be through the life to waterproof ventilative valve of switching extension of waterproof ventilative membrane.
The technical scheme adopted by the utility model is as follows:
The utility model provides a waterproof ventilative valve of bolt-type, includes bolt-type valve body and case, the air vent has been seted up on the bolt-type valve body, a plurality of exhaust holes have been seted up on the case, a plurality of the inside of exhaust hole all is equipped with waterproof ventilated membrane, the case can act on the bolt-type valve body, a plurality of waterproof ventilated membranes can be in proper order with the air vent relatively in the case course of action.
Further, a valve cavity communicated with the air guide hole is formed in the upper portion of the bolt type valve body, the valve core is cylindrical in shape, the plurality of air exhaust holes are formed in the valve core in an annular array, the valve core is rotationally connected to the inside of the air guide hole, and the distance between the air exhaust holes and the axis of the bolt type valve body is the same.
Further, the upper part of the bolt type valve body is detachably provided with a pressing cap for limiting the valve core, and a central hole matched with the exhaust hole is formed in the central position of the pressing cap.
Further, annular protruding portions are fixedly connected to one sides of the valve cavity and the opposite sides of the pressing cap, and annular grooves matched with the annular protruding portions are formed in the side faces of the valve core and the opposite sides of the annular protruding portions and located on the outer sides of the exhaust holes.
Further, the annular protruding portion is made of rubber, a cap groove communicated with the valve cavity is formed in the upper portion of the bolt type valve body, and the pressing cap is in threaded connection with the inside of the cap groove.
Further, the outer diameter of the annular protruding portion gradually decreases from one end far from the valve core to one end close to the valve core, and the inner diameter of the annular groove gradually increases from one end close to the annular protruding portion to one end far from the annular protruding portion.
The technical effect who this practicality obtained is:
the utility model discloses a waterproof breather valve of bolt formula can make exhaust passage keep normal use through the switching to waterproof ventilated membrane through setting up the case that can act on the bolt formula valve body, prolongs waterproof breather valve's life.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic diagram of the explosion structure of the present invention;
FIG. 3 is a schematic view of the present utility in cross-section;
fig. 4 is a cut-away side view of the present utility.
In the drawings, the list of components represented by the various numbers is as follows:
1. A bolt valve body; 2. a valve core; 3. an exhaust hole; 4. a waterproof breathable film; 5. a valve cavity; 6. a cap groove; 7. pressing the cap; 8. a central bore; 9. six-edge plate; 10. an inner hexagonal hole; 11. an annular groove; 12. an annular protruding portion; 13. and an air guide hole.
Detailed Description
In order to make the objects and advantages of the present invention more apparent, the present invention will be described in detail with reference to the following examples. It should be understood that the following text is used to describe only one or more specific embodiments of the present invention and does not strictly limit the scope of protection of the specific claims.
As shown in fig. 1-2, a bolt-type waterproof and breathable valve comprises a bolt-type valve body 1 and a valve core 2, wherein an air guide hole 13 is formed in the bolt-type valve body 1, a plurality of air exhaust holes 3 are formed in the valve core 2, the air guide hole 13 and the air exhaust holes 3 form an air exhaust channel, waterproof and breathable films 4 are arranged in the air exhaust holes 3, and when the waterproof and breathable valve is used, liquid and gas enter the air guide hole 13 together, wherein the liquid can be intercepted by the waterproof and breathable films 4, and the gas can be discharged after being filtered by the waterproof and breathable films 4.
The valve core 2 can act on the bolt type valve body 1, and a plurality of waterproof and breathable films 4 can be sequentially opposite to the air guide holes 13 in the action process of the valve core 2, at the moment, when one waterproof and breathable film 4 cannot be used, the waterproof and breathable film 4 opposite to the air guide holes 13 is switched through the action of the valve core 2, so that the waterproof and breathable valve can be kept in normal use, and the service life of the waterproof and breathable valve is prolonged.
The valve core 2 is slidably connected to the bolt-type valve body 1 and also rotatably connected to the bolt-type valve body 1, and the valve core 2 is preferably rotatably connected to the bolt-type valve body 1, specifically as shown in fig. 2-4, a valve cavity 5 communicated with the air guide hole 13 is formed in the upper portion of the bolt-type valve body 1, the valve core 2 is cylindrical, a plurality of air exhaust holes 3 are formed in the valve core 2 in an annular array, the valve core 2 is rotatably connected to the inside of the air guide hole 13, the distance between the air exhaust holes 3 and the air guide hole 13 and the axis of the bolt-type valve body 1 is the same, and at the moment, the position of the waterproof air-permeable membrane 4 can be adjusted by rotating the valve core 2.
In order to more conveniently rotate the valve core 2, an inner hexagonal hole 10 is formed in the middle position of the upper side of the valve core 2, and the valve core 2 can be driven to rotate by an inner hexagonal wrench.
Moreover, in order to facilitate the disassembly and assembly of the valve core 2, the structure of the waterproof ventilation valve is optimized by the technical scheme, the valve core 2 is limited by the pressing cap 7 which is detachably assembled on the upper part of the bolt type valve body 1, the central hole 8 which is matched with the exhaust hole 3 is formed in the central position of the pressing cap 7, at the moment, the valve cavity 5 is blocked by the pressing cap 7 from one end of the air guide hole 13, and the valve core 2 can be effectively limited.
Referring to fig. 2-3, in order to improve the waterproof performance of the waterproof and breathable valve, the opposite sides of the valve cavity 5 and the pressing cap 7 are fixedly connected with annular protruding portions 12, the opposite sides of the valve core 2 and the annular protruding portions 12 are provided with annular grooves 11 matched with the annular protruding portions 12 and located on the outer sides of the plurality of exhaust holes 3, at this time, concave-convex sealing structures can be formed between the valve core 2 and the valve cavity 5 and between the valve core 2 and the pressing cap 7 through the annular grooves 11 and the annular protruding portions 12, and the purpose of improving the waterproof performance of the waterproof and breathable valve is achieved.
Meanwhile, the annular protruding portion 12 is preferably made of rubber, and the valve core 2 and the annular protruding portion 12 are extruded by the pressing cap 7, so that good waterproof performance can be achieved between the valve core 2 and the valve cavity 5 and between the valve core 2 and the pressing cap 7.
Referring to fig. 2-3, the outer diameter of the annular protrusion 12 gradually decreases from the end far from the valve core 2 to the end near to the valve core 2, and the inner diameter of the annular groove 11 gradually increases from the end near to the annular protrusion 12 to the end far from the annular protrusion 12, so that the annular protrusion 12 can be more conveniently clamped into the annular groove 11.
The installation mode of the press cap 7 is various, one of the installation modes is that the press cap is assembled on the bolt type valve body 1 through a screw, the other is that as shown in fig. 2-4, a cap groove 6 communicated with the valve cavity 5 is formed in the upper portion of the bolt type valve body 1, the press cap 7 is in threaded connection with the inside of the cap groove 6, at the moment, the press cap 7 can move in the cap groove 6, the press cap 7 is used for tightly pressing the valve core 2 and the annular protruding portion 12, the valve core is fully clung, and the tightness of the valve is further improved.
In order to further improve the convenience of assembling and disassembling the press cap 7, a hexagonal plate 9 is fixedly connected to the upper portion of the press cap 7.
The working principle of the utility model is as follows: when one of them waterproof ventilated membrane 4 can't use, will press cap 7 to open, make and press cap 7 no longer compress tightly case 2, then rotate case 2, through the action to case 2, switch waterproof ventilated membrane 4 relative with air vent 13, compress tightly case 2 through pressing cap 7 once more after the switching is accomplished, can make waterproof ventilated valve keep normal use, extension waterproof ventilated valve's life.
To sum up, this technical scheme can make the exhaust passage keep normal use through the switching to waterproof ventilated membrane 4 through setting up case 2 that can act on bolt formula valve body 1, prolongs waterproof ventilated valve's life.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated in the present application are all implemented by conventional means in the art unless specifically indicated and limited.
Claims (6)
1. The utility model provides a waterproof ventilation valve of bolt formula which characterized in that: including bolt formula valve body (1) and case (2), air vent (13) have been seted up on bolt formula valve body (1), a plurality of exhaust holes (3) have been seted up on case (2), a plurality of the inside of exhaust hole (3) all is equipped with waterproof ventilated membrane (4), case (2) can act on bolt formula valve body (1), a plurality of waterproof ventilated membrane (4) can be in proper order with air vent (13) relatively in case (2) action process.
2. A bolted waterproof and breathable valve according to claim 1, characterized in that: the valve is characterized in that a valve cavity (5) communicated with the air guide hole (13) is formed in the upper portion of the bolt type valve body (1), the appearance of the valve core (2) is cylindrical, a plurality of air exhaust holes (3) are formed in the valve core (2) in an annular array, the valve core (2) is rotationally connected to the inside of the air guide hole (13), and the distance between the air exhaust holes (3) and the air guide hole (13) is the same as the distance between the axes of the bolt type valve body (1).
3. A bolted waterproof and breathable valve according to claim 2, characterized in that: the upper part of the bolt type valve body (1) is detachably provided with a pressing cap (7) for limiting the valve core (2), and a central hole (8) matched with the exhaust hole (3) is formed in the central position of the pressing cap (7).
4. A bolted waterproof and breathable valve according to claim 3, characterized in that: annular protruding portions (12) are fixedly connected to one sides, opposite to the valve cavity (5) and the pressing cap (7), of the valve core (2) and the annular protruding portions (12), and annular grooves (11) matched with the annular protruding portions (12) are formed in the outer sides of the exhaust holes (3).
5. A bolted waterproof and breathable valve according to claim 4, characterized in that: the annular protruding portion (12) is made of rubber, a cap groove (6) communicated with the valve cavity (5) is formed in the upper portion of the bolt type valve body (1), and the pressing cap (7) is in threaded connection with the inside of the cap groove (6).
6. A bolted waterproof and breathable valve according to claim 4, characterized in that: the outer diameter of the annular protruding portion (12) gradually decreases from one end far away from the valve core (2) to one end close to the valve core (2), and the inner diameter of the annular groove (11) gradually increases from one end close to the annular protruding portion (12) to one end far away from the annular protruding portion (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322886463.XU CN221075390U (en) | 2023-10-26 | 2023-10-26 | Bolt type waterproof air-permeable valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322886463.XU CN221075390U (en) | 2023-10-26 | 2023-10-26 | Bolt type waterproof air-permeable valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221075390U true CN221075390U (en) | 2024-06-04 |
Family
ID=91249294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322886463.XU Active CN221075390U (en) | 2023-10-26 | 2023-10-26 | Bolt type waterproof air-permeable valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221075390U (en) |
-
2023
- 2023-10-26 CN CN202322886463.XU patent/CN221075390U/en active Active
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