CN220227914U - Air valve structure - Google Patents
Air valve structure Download PDFInfo
- Publication number
- CN220227914U CN220227914U CN202321886324.0U CN202321886324U CN220227914U CN 220227914 U CN220227914 U CN 220227914U CN 202321886324 U CN202321886324 U CN 202321886324U CN 220227914 U CN220227914 U CN 220227914U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- memory alloy
- air
- alloy wire
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- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 31
- 230000006835 compression Effects 0.000 claims description 11
- 238000007906 compression Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000005465 channeling Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 229910000925 Cd alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Abstract
The utility model discloses an air valve structure, which provides an air valve structure with simple structure, small and exquisite appearance, low manufacturing cost and good stability, solves the technical problems that in the prior art, an electromagnetic valve can only be used for air passage on-off control, the structure is complex, the cost is high, the air passage control requirement of a narrow space cannot be met due to large volume, and the like.
Description
Technical Field
The utility model relates to an air valve structure, in particular to an air valve structure which is simple in structure, small in appearance, low in manufacturing cost and good in stability.
Background
In order to realize gas path on-off control, in the prior art, an electromagnetic valve is generally arranged on a gas path, and is connected to a gas flow pipeline in a channeling way when in use, and the on-off of the gas path is realized by controlling the switch of the electromagnetic valve.
Disclosure of Invention
The utility model mainly provides an air valve structure which is simple in structure, small in appearance, low in manufacturing cost and good in stability, and solves the technical problems that in the prior art, an electromagnetic valve can only be used for air passage on-off control, the structure is complex, the cost is high, and the air valve structure is large in size, so that the air passage control requirement of a narrow space cannot be met.
The technical problems of the utility model are mainly solved by the following technical proposal: the valve core is supported in the valve cavity through a compression spring, the valve core is connected with one end of a memory alloy wire, the other end of the memory alloy wire is electrically connected to an external power supply, the memory alloy wire drives the valve core to leave an air outlet on the valve body after being electrically contracted, and the compression spring drives the valve core to plug the air outlet on the valve body after the memory alloy wire is in a power failure state. The memory alloy mainly comprises nickel alloy, cadmium alloy, zinc alloy and the like, and utilizes the special performance of the memory alloy, namely, shrinkage is generated after the memory alloy is electrified, so that the valve core is driven to leave the air outlet, the air outlet is opened, the length of the alloy wire is restored to the original length after the power is off, the valve core seals the air outlet under the pushing of the compression spring, the structure is simple, the manufacturing cost is low, the special performance of the memory alloy is fully utilized, the use process is stable and reliable, the appearance is small and exquisite, the use range is wide, and the air channel control requirement of a narrow space can be particularly met.
Preferably, the memory alloy wire is of a U-shaped structure, the opening direction of the U-shaped memory alloy wire is away from the air outlet, and the valve core is inserted into the bottom of the U-shaped memory alloy wire. The U-shaped memory alloy wire is inserted on the valve core, so that stable stress of the valve core is ensured, and the use reliability is improved.
More preferably, the U-shaped memory alloy wire is inserted on the valve core close to the air outlet. The length of the memory alloy wire is maximized, so that the deformation distance of the memory alloy wire is increased, and the ventilation flow of the air valve is ensured.
Preferably, the valve core is connected with one end of the guide post, the compression spring is sleeved on the guide post in a sliding manner, when the valve core is far away from the air outlet, the other end of the guide post is abutted to a circuit board switch in the valve cavity, and the circuit board switch is electrically connected to an external control system. The guide post plays a role of fixing the compression spring on one hand, and on the other hand, the automatic control of the control system can be realized through the abutting connection of the guide post and the circuit board switch.
Preferably, the valve body far away from the air outlet is provided with at least two air inlets, at least one of the air inlets is a male air inlet and one of the air inlets is a female air inlet, and the male air inlet is matched with the female air inlet. Through setting up public first air inlet and the female first air inlet of mutual disposition on the valve body, can realize that a plurality of pneumatic valves scurry and link to satisfy the user demand of different gas path states.
More preferably, plugs are arranged on the male air inlet and the female air inlet in a mutually matched mode. Through the mutual matching of the plugs at the air inlets, the channeling and connecting use of a single air valve or a plurality of air valves can be satisfied.
Preferably, the valve body comprises an upper valve body and a lower valve body, the opening end of the lower valve body is inserted in the opening of the upper valve body in a matched mode, and the air outlet is formed in the middle of the top surface of the upper valve body. The valve body is assembled by upper and lower valve bodies, and has simple structure and convenient disassembly and assembly.
Therefore, a valve structure of the present utility model has the following advantages: the valve core is driven to move up and down by utilizing the self characteristics of the memory alloy, so that the overall structure of the air valve is simplified, the manufacturing cost is greatly reduced, the use process is stable and reliable, and meanwhile, the overall appearance of the air valve is smaller, thereby meeting the air path control requirement of a narrow space; through setting up public first air inlet and the female first air inlet of mutual disposition on the valve body, can realize that a plurality of pneumatic valves scurry and link to satisfy the use of different gas path states.
Description of the drawings:
FIG. 1 is a cross-sectional view of a valve structure of the present utility model.
The specific embodiment is as follows:
the technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.
Examples:
as shown in fig. 1, the air valve structure comprises a valve body and a valve core 3 arranged in a valve cavity 2 of the valve body, wherein the valve body comprises a cylindrical upper valve body 11 and a cylindrical lower valve body 12, the opening end of the lower valve body 12 is inserted into the opening of the upper valve body 11 in a matched manner, the middle part of the top surface of the upper valve body 11 is provided with an air outlet 6, the valve core 3 is coaxially supported in the valve cavity 2 through a compression spring 4, the lower end of the valve core 3 is integrally and coaxially connected with one end of a guide post 7, the compression spring 4 is slidably sleeved on the guide post 7, when the valve core 3 is far away from the air outlet 6, the other end of the guide post 7 is abutted on a circuit board switch 8 at the bottom of the valve cavity 2, and the circuit board switch 8 is electrically connected to an external control system. The valve core 3 is inserted with the memory alloy wire 5, the memory alloy wire 5 is of a U-shaped structure, the opening direction of the U-shaped memory alloy wire 5 is away from the air outlet 6, the bottom of the U-shaped memory alloy wire is close to the air outlet 6 and inserted at the top of the valve core 3, the opening end of the memory alloy wire 5 penetrates through the lower valve body 12 to be electrically connected to an external power supply, the memory alloy wire 5 is electrically contracted to drive the valve core 3 to leave the air outlet 6 on the valve body, and after the memory alloy wire 5 is in a power-off state, the compression spring 4 drives the valve core 3 to be plugged on the air outlet 6 on the valve body. In order to be used in a channeling mode, the outer ring surface of the lower valve body 12 is provided with two air inlets, one of the two air inlets is a male air inlet 91 and the other air inlet is a female air inlet 92, the central axes of the two air inlets penetrate through the central axes of the valve body, the male air inlet 91 and the female air inlet 92 are matched, the male air inlet 91 of one air valve is inserted into the female air inlet 92 of the adjacent air valve in a matched mode in the channeling mode, and a plug 93 is installed on the non-connected male air inlet 91 or female air inlet 92 in a matched mode.
The specific embodiments described herein are merely illustrative of the principles of the present utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (7)
1. The utility model provides an air valve structure, includes valve body and locates case (3) in valve pocket (2) of valve body, its characterized in that: the valve core (3) is supported in the valve cavity (2) through the compression spring (4), wherein the valve core (3) is connected with one end of the memory alloy wire (5), the other end of the memory alloy wire (5) is electrically connected to an external power supply, the memory alloy wire (5) drives the valve core (3) to leave the air outlet (6) on the valve body after being electrically contracted, and after the memory alloy wire (5) is in a power failure state, the compression spring (4) drives the valve core (3) to be plugged on the air outlet (6) on the valve body.
2. A gas valve structure according to claim 1, wherein: the memory alloy wire (5) is of a U-shaped structure, the opening direction of the U-shaped memory alloy wire (5) is away from the air outlet (6), and the valve core (3) is inserted at the bottom of the U-shaped memory alloy wire (5).
3. A gas valve structure according to claim 2, wherein: the U-shaped memory alloy wire (5) is inserted on the valve core (3) close to the air outlet (6).
4. A gas valve structure according to claim 1, wherein: the valve core (3) is connected with one end of the guide post (7), the compression spring (4) is sleeved on the guide post (7) in a sliding mode, when the valve core (3) is far away from the air outlet (6), the other end of the guide post (7) is abutted to the circuit board switch (8) in the valve cavity (2), and the circuit board switch (8) is electrically connected to an external control system.
5. A gas valve structure according to claim 1, wherein: at least two air inlets are arranged on the valve body far away from the air outlet (6), at least one of the air inlets is a male air inlet (91) and one of the air inlets is a female air inlet (92), and the male air inlet (91) is matched with the female air inlet (92).
6. A gas valve structure according to claim 5, wherein: the male air inlet (91) and the female air inlet (92) are mutually matched with plugs (93).
7. A gas valve structure according to claim 1, wherein: the valve body comprises an upper valve body (11) and a lower valve body (12), the opening end of the lower valve body (12) is inserted into the opening of the upper valve body (11) in a matched mode, and the air outlet (6) is arranged in the middle of the top surface of the upper valve body (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321886324.0U CN220227914U (en) | 2023-07-18 | 2023-07-18 | Air valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321886324.0U CN220227914U (en) | 2023-07-18 | 2023-07-18 | Air valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227914U true CN220227914U (en) | 2023-12-22 |
Family
ID=89195359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321886324.0U Active CN220227914U (en) | 2023-07-18 | 2023-07-18 | Air valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227914U (en) |
-
2023
- 2023-07-18 CN CN202321886324.0U patent/CN220227914U/en active Active
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| GR01 | Patent grant |