Air valve and massage device
By using a shape memory wire to drive the movement of the internal moving components of the valve body, the problem of the large size of the solenoid valve is solved, and the miniaturization and low noise of the air valve are achieved, thus expanding the application range.
Patent Information
- Application Number
- CN202422712605.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-10-31
- Estimated Expiration
- 2034-11-06
AI Technical Summary
In the existing technology, solenoid valves are large in size and take up a lot of space, which is not conducive to the miniaturization of massage devices.
The movement of the internal moving components of the valve body is driven by a memory metal wire. By changing the energization and de-energization of the memory metal wire, the gas flow direction is controlled, thereby opening and closing the inlet and outlet pipes.
The size and weight of the air valve have been reduced, noise has been lowered, the application range has been expanded, and the accuracy requirements of the main power supply system have been reduced.
Smart Images
Figure CN223498775U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of massage equipment technology, and more specifically, to an air valve and a massage device. Background Technology
[0002] Airbag massage is a method that uses an air pump to inflate airbags, which then provide powerful massage and relaxation to specific areas via built-in massage devices. Airbag massage is now widely used in car seats, home massage sofas, and massage chairs to relieve muscle fatigue and stress.
[0003] The on / off control of the air bladder's air path requires the use of an air valve. In the existing technology, solenoid valves are generally used to control the air bladder. However, solenoid valves are large in size and require a lot of space, which is not conducive to the miniaturization of massage devices. Utility Model Content
[0004] The purpose of this application is to address the shortcomings of the prior art by providing an air valve and a massage device that can change the direction of gas flow and has a small volume.
[0005] To achieve the above objectives, the technical solutions adopted in the embodiments of this application are as follows:
[0006] One aspect of this application provides an air valve, comprising: a valve body, an airbag connecting tube, an inlet pipe, and an outlet pipe disposed on the valve body. The valve body has a chamber, and the airbag connecting tube, the inlet pipe, and the outlet pipe are respectively connected to the chamber. The chamber is provided with a memory metal wire, a moving component, and a reset component. The two ends of the memory metal wire are electrically connected to an external trigger circuit, and the middle part is connected to the moving component. One end of the reset component abuts against the valve body, and the other end abuts against the moving component. When the memory metal wire is energized, it contracts, pulling the moving component to move along a first direction to open the inlet pipe and close the outlet pipe, and causing the reset component to deform and store energy. When the memory metal wire is de-energized, it returns to its original shape, and the reset component releases energy to drive the moving component to move along a second direction opposite to the first direction to close the inlet pipe and open the outlet pipe.
[0007] Optionally, the chamber is provided with a support, and the moving component includes a slider and a moving part fixedly connected to the slider. The slider is slidably disposed on the support in a first direction. The middle part of the memory metal wire is connected to the slider. The first side of the moving part can close the air inlet pipe, and the second side opposite to the first side can close the air outlet pipe.
[0008] Optionally, a first soft sealing gasket is provided on the first side, which corresponds to the opening of the air inlet pipe, and a second soft sealing gasket is provided on the second side, which corresponds to the opening of the air outlet pipe.
[0009] Alternatively, the movable part is mounted on a bracket, a slider, and a memory wire.
[0010] Optionally, the bracket is provided with a first slide groove, the middle part of the slider is placed in the first slide groove, and the two inner walls of the moving part are respectively provided with slots, and the slider is respectively inserted into the two slots at both ends perpendicular to the first direction.
[0011] Optionally, the bottom of the first slide groove is provided with an installation groove, and the reset member is located in the installation groove. One end of the reset member abuts against the bottom of the installation groove, and the other end abuts against the slider.
[0012] Optionally, the moving part is provided with a slide rail, and the valve body is provided with a second slide groove that cooperates with the slide rail. The second slide groove extends along the first direction, and the moving part slides along the second slide groove in the valve body.
[0013] Optionally, the valve body includes an upper valve body and a base plate connected to the upper valve body. The chamber is located inside the upper valve body, and the chamber forms a chamber opening on the surface of the upper valve body. The base plate seals the chamber opening. A metal welding plate is provided on the base plate. The metal welding plate is used to connect to an external trigger circuit. The metal welding plate penetrates through the base plate. A metal clip is provided on the metal welding plate, and the end of the memory metal wire is fixed on the metal clip.
[0014] Optionally, the exhaust pipe has a stepped surface, and the reset member is located inside the exhaust pipe. One end of the reset member abuts against the stepped surface, and the other end abuts against the moving component.
[0015] In another aspect of the embodiments of this application, a massage device is provided, including an airbag, an air pump, and an air valve as described above, wherein the airbag is connected to the airbag connection port of the air valve, and the air pump is connected to the air inlet of the air valve.
[0016] The beneficial effects of this application include:
[0017] This application provides a gas valve, comprising: a valve body, an air bladder connecting tube, an inlet pipe, and an outlet pipe disposed on the valve body. The valve body has a chamber, and the air bladder connecting tube, inlet pipe, and outlet pipe are respectively connected to the chamber. The chamber contains a shape memory wire, a moving component, and a reset component. The two ends of the shape memory wire are electrically connected to an external trigger circuit, and the middle part is connected to the moving component. One end of the reset component abuts against the valve body, and the other end abuts against the moving component. When energized, the shape memory wire contracts, pulling the moving component to move in a first direction to open the inlet pipe and close the outlet pipe, and causing the reset component to deform and store energy. When de-energized, the shape memory wire returns to its original shape, and the reset component releases energy to drive the moving component to move in a second direction opposite to the first direction, thereby closing the inlet pipe and opening the outlet pipe. This gas valve uses a shape memory wire to drive the movement of the moving component inside the valve body, thereby achieving the effect of sealing the air port and changing the gas flow direction. The shape memory wire is lightweight and occupies little space, effectively reducing the weight of the gas valve and the volume of the valve body, and there is no metallic clanging sound during operation, reducing noise. Calculations show that the overall power supply voltage of the above-mentioned air valve is around 3V, thus it has a wider range of applications and lower requirements for the accuracy of the main power supply system. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of the air valve provided in the embodiments of this application;
[0020] Figure 2 One of the cross-sectional views of the air valve provided in the embodiments of this application;
[0021] Figure 3 A schematic diagram of the gas flow direction of the gas valve provided in this application embodiment when the shape memory metal wire is energized;
[0022] Figure 4 A schematic diagram of the gas flow direction of the gas valve provided in this embodiment of the application when the memory metal wire is de-energized;
[0023] Figure 5 A partial structural schematic diagram of the air valve provided in an embodiment of this application;
[0024] Figure 6 This is a second cross-sectional view of the air valve provided in an embodiment of this application.
[0025] Icons: 10-Air valve; 11-Valve body; 111-Cavity; 112-Upper valve body; 113-Base plate; 12-Airbag connecting pipe; 13-Inlet pipe; 14-Outlet pipe; 141-Rubber sealing ring; 142-Step surface; 15-Memory metal wire; 16-Moving component; 161-Slider; 162-Moving part; 1621-First side; 1622-Second side; 1623-Slot; 1624-Slide rail; 163-First soft sealing gasket; 164-Second soft sealing gasket; 17-Reset part; 18-Bracket; 181-First sliding groove; 182-Mounting groove; 191-Metal welding plate; 192-Metal clip; X1-First direction; X2-Second direction. Detailed Implementation
[0026] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. The components of the embodiments of this application described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0027] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. It should be noted that, unless otherwise specified, the various features in the embodiments of this application can be combined with each other, and the combined embodiments are still within the protection scope of this application.
[0028] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0029] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0030] In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "set up," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0031] Regarding one aspect of the embodiments of this application, please refer to Figure 1 and Figure 2A valve 10 is provided, comprising: a valve body 11, an airbag connecting tube 12, an air inlet tube 13, and an air outlet tube 14 disposed on the valve body 11. The valve body 11 has a chamber 111, and the airbag connecting tube 12, air inlet tube 13, and air outlet tube 14 are respectively connected to the chamber 111. The chamber 111 contains a memory metal wire 15, a moving component 16, and a reset component 17. The two ends of the memory metal wire 15 are electrically connected to an external trigger circuit, and the middle part is connected to the moving component 16. One end of the position member 17 abuts against the valve body 11, and the other end abuts against the moving component 16; when the memory metal wire 15 is energized, it retracts, pulling the moving component 16 to move along the first direction X1, so as to open the air inlet pipe 13 and close the air outlet pipe 14, and to deform the reset member 17 to store energy; when the memory metal wire 15 is de-energized, it returns to its original state, and the reset member 17 releases energy to drive the moving component 16 to move along the second direction X2 opposite to the first direction X1, so as to close the air inlet pipe 13 and open the air outlet pipe 14.
[0032] The air valve 10 can be used to inflate and deflate the airbag. The airbag connecting pipe 12 of the air valve 10 is used to connect to the airbag, the inlet pipe 13 is used to connect to the air pump, and the outlet pipe 14 is used to connect to the outside environment or to a gas collection device. The airbag connecting pipe 12, the inlet pipe 13, and the valve body 11 can be integrally injection molded parts. The outlet pipe 14 can be fixed to the valve body 11 by a rubber sealing ring 141.
[0033] The valve body 11 of the air valve 10 has a chamber 111, which contains a shape memory wire 15, a moving assembly 16, and a reset element 17. The shape memory wire 15 contracts when heated by electricity and returns to its original length when power is off. Both ends of the shape memory wire 15 are connected to an external trigger circuit to energize it. The shape memory wire 15 and the reset element 17 work together to drive the moving assembly 16 in opposite directions, opening one of the air inlet pipe 13 and the air outlet pipe 14 while closing the other.
[0034] Please refer to Figure 3 When the airbag needs to be inflated, the external trigger circuit energizes the memory metal wire 15, causing it to contract and pull the moving component 16 to move along the first direction X1. At this time, the moving component 16 separates from the inlet of the air inlet pipe 13 and fits into the outlet of the air outlet pipe 14, thereby opening the air inlet pipe 13 and closing the air outlet pipe 14. Simultaneously, the moving component 16 stretches or compresses the reset member 17, causing the reset member 17 to deform and store energy. The airbag connecting pipe 12 is always in the open state. When the air inlet pipe 13 is open and the air outlet pipe 14 is closed, the airbag connecting pipe 12 is connected to the air inlet pipe 13 through the chamber 111, and the air pump can inflate the airbag.
[0035] Please refer to Figure 4When the airbag needs to deflate, the external trigger circuit is disconnected, stopping the power supply to the memory metal wire 15. The memory metal wire 15 returns to its original state and no longer applies tension to the moving component 16. The reset component 17 releases energy, driving the moving component 16 to move along the second direction X2, which is opposite to the first direction X1. At this time, the moving component 16 is in contact with the opening of the air inlet pipe 13 and separates from the opening of the air outlet pipe 14, thereby closing the air inlet pipe 13 and opening the air outlet pipe 14. The airbag connecting pipe 12 is connected to the air outlet pipe 14 through the chamber 111, realizing the deflation of the airbag.
[0036] During installation, the reset component 17 can be stretched or compressed simultaneously, and the reaction force of the reset component 17 can be used to tighten the memory metal wire 15.
[0037] The aforementioned air valve 10 uses a shape memory metal wire 15 to drive the movement of the internal moving component 16 of the valve body 11, thereby achieving the effect of sealing the air port and changing the gas flow direction. The shape memory metal wire 15 is lightweight and occupies little space, effectively reducing the weight of the air valve 10 and the volume of the valve body 11, and it eliminates the metallic clanging sound during operation, reducing noise. Calculations show that the overall power supply voltage of the aforementioned air valve 10 is around 3V, therefore, its application range is wider, and the requirements for the accuracy of the main power supply system are lower.
[0038] Alternatively, please refer to Figure 2 The chamber 111 is provided with a support 18. The moving component 16 includes a slider 161 and a moving part 162 fixedly connected to the slider 161. The slider 161 is slidably disposed on the support 18 along the first direction X1. The middle part of the memory metal wire 15 is connected to the slider 161. The first side 1621 of the moving part 162 can close the air inlet pipe 13, and the second side 1622 opposite to the first side 1621 can close the air outlet pipe 14.
[0039] A bracket 18 is fixed inside a chamber 111. A slider 161 is mounted on the bracket 18, and the slider 161 can move along the first direction X1 on the bracket 18 under the pull of a shape memory wire 15. A movable member 162 is fixedly connected to the slider 161 and can move along the first direction X1 together with the slider 161. The movable member 162 has a first side 1621 and a second side 1622 opposite to each other in the first direction X1. The first side 1621 is near the intake pipe 13, and the second side 1622 is near the exhaust pipe 14. One of the slider 161 and the movable member 162 also abuts against a reset member 17, so that it can move along the second direction X2 under the drive of the reset member 17.
[0040] Please refer to the reference. Figure 3 When the shape memory wire 15 is energized and contracts, it pulls the slider 161 and the moving part 162 to move along the first direction X1 until the second side 1622 of the moving part 162 is in contact with the opening of the vent pipe 14, thereby sealing the vent pipe 14. Please refer to the reference. Figure 4 When the memory metal wire 15 is de-energized and restored, the reset member 17 releases energy, driving the slider 161 and the moving member 162 to move along the second direction X2 until the first side 1621 of the moving member 162 fits against the opening of the air intake pipe 13, thereby sealing the air intake pipe 13.
[0041] Optionally, the slider 161 is provided with a groove, and the middle part of the memory metal wire 15 is inserted into the groove to connect with the slider 161.
[0042] Optionally, a first soft sealing gasket 163 is provided on the first side 1621 of the movable part 162, the first soft sealing gasket 163 corresponds to the opening of the air inlet pipe 13, and a second soft sealing gasket 164 is provided on the second side 1622, the second soft sealing gasket 164 corresponds to the opening of the air outlet pipe 14.
[0043] When the moving part 162 moves along the first direction X1, the second soft sealing gasket 164 abuts against the opening of the air outlet pipe 14, sealing the air outlet pipe 14; when the moving part 162 moves along the second direction X2, the first soft sealing gasket 163 abuts against the opening of the air inlet pipe 13, sealing the air inlet pipe 13. The first soft sealing gasket 163 improves the sealing between the moving part 162 and the air inlet pipe 13, preventing air leakage when the moving part 162 abuts against the air inlet pipe 13. Similarly, the second soft sealing gasket 164 improves the sealing between the moving part 162 and the air outlet pipe 14, preventing air leakage when the moving part 162 abuts against the air outlet pipe 14. In addition, the first soft sealing gasket 163 and the second soft sealing gasket 164 also act as a buffer, preventing damage to parts or metallic clanging sounds caused by impact when the moving part 162 abuts against the air inlet pipe 13 or the air outlet pipe 14.
[0044] Optionally, the movable part 162 is mounted on the bracket 18, the slider 161 and the memory wire 15.
[0045] The movable component 162 is hollow inside and has an opening on one side. The movable component 162 covers the bracket 18, the slider 161 and the memory metal wire 15 like a cover through the opening. This arrangement can make full use of the space of the chamber 111 and further reduce the volume of the valve body 11.
[0046] Optionally, the bracket 18 is provided with a first slide groove 181, the middle part of the slider 161 is placed in the first slide groove 181, and the two inner walls of the moving part 162 are respectively provided with slots 1623, and the two ends of the slider 161 perpendicular to the first direction X1 are respectively inserted into the two slots 1623.
[0047] The slider 161 is placed in the first slide groove 181 and can reciprocate within the first slide groove 181 along the first direction X1 and the second direction X2. The two ends of the slider 161 perpendicular to the first direction X1 extend out of the first slide groove 181 and cooperate with the two slots 1623 on the inner wall of the moving member 162, thereby realizing the synchronous movement between the slider 161 and the moving member 162.
[0048] Optionally, the end of the slot 1623 extends to the opening of the moving member 162, and the end of the slot 1623 is funnel-shaped to facilitate the installation of the slider 161.
[0049] Optionally, the movable component 162 is provided with a slide rail 1624, and the valve body 11 has a second slide groove inside that mates with the slide rail 1624. The second slide groove extends along the first direction X1, and the movable component 162 slides along the second slide groove inside the valve body 11. The second slide groove guides the movement of the movable component 162, making the movement of the movable component 162 more stable and precise.
[0050] Optionally, the bottom of the first slide groove 181 is provided with a mounting groove 182, and the reset member 17 is located in the mounting groove 182. One end of the reset member 17 abuts against the bottom of the mounting groove 182, and the other end abuts against the slider 161.
[0051] The reset element 17 can be a spring. The reset element 17 can be located on the side of the slider 161 facing the air outlet 14. In this case, when the slider 161 moves along the first direction X1 under the pull of the memory metal wire 15, the reset element 17 is compressed. Alternatively, the reset element 17 can be located on the side of the slider 161 facing the air inlet 13. In this case, when the slider 161 moves along the first direction X1 under the pull of the memory metal wire 15, the reset element 17 is stretched.
[0052] Alternatively, please refer to Figure 5 and Figure 6 The valve body 11 includes an upper valve body 112 and a base plate 113 connected to the upper valve body 112. A chamber 111 is located inside the upper valve body 112, and the chamber 111 forms a chamber opening on the surface of the upper valve body 112. The base plate 113 seals the chamber opening. Dividing the valve body 11 into two parts facilitates the installation of internal parts of the valve body 11.
[0053] A metal welding plate 191 is provided on the base plate 113. The metal welding plate 191 penetrates the base plate 113. The part of the metal welding plate 191 located outside the valve body 11 is used to connect to an external trigger circuit. The part located inside the chamber 111 is provided with a metal clip 192. The end of the memory metal wire 15 is fixed on the metal clip 192.
[0054] It is understood that there are at least two metal solder plates 191 and at least two metal clips 192, with at least two metal clips 192 respectively fixed to at least two metal solder plates 191, and both ends of the memory metal wire 15 respectively fixed to two metal clips 192. For example, the memory metal wire 15 is soldered to the metal clips 192, and the metal clips 192 are fixed to the metal solder plates 191 by applying adhesive.
[0055] Optionally, the vent pipe 14 is provided with a stepped surface 142, and the reset member 17 is located inside the vent pipe 14. One end of the reset member 17 abuts against the stepped surface 142, and the other end abuts against the moving component 16.
[0056] Furthermore, two through holes of different diameters are coaxially arranged inside the air outlet pipe 14, and a stepped surface 142 is formed at the connection of the ends of the two through holes. The reset member 17 is located in the through hole with larger diameter.
[0057] This embodiment also provides a massage device, including an airbag, an air pump, and an air valve 10 as described above. The airbag is connected to the airbag connection port of the air valve 10, and the air pump is connected to the air inlet of the air valve 10.
[0058] The massage device includes the same structure and beneficial effects as the air valve 10 in the foregoing embodiments. The structure and beneficial effects of the air valve 10 have been described in detail in the foregoing embodiments and will not be repeated here.
[0059] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.
Claims
1. A gas valve, characterized in that, include: The valve body includes an airbag connecting pipe, an air inlet pipe, and an air outlet pipe mounted on the valve body. The valve body has a chamber, and the airbag connecting pipe, the air inlet pipe, and the air outlet pipe are respectively connected to the chamber. The chamber is provided with a memory metal wire, a moving component and a reset component. The two ends of the memory metal wire are electrically connected to an external trigger circuit and the middle part is connected to the moving component. One end of the reset component abuts against the valve body and the other end abuts against the moving component. When the memory metal wire is energized, it contracts, pulling the moving component to move along a first direction to open the air intake pipe and close the air outlet pipe, and causing the reset member to deform and store energy; when the memory metal wire is de-energized, it returns to its original shape, and the reset member releases energy to drive the moving component to move along a second direction opposite to the first direction to close the air intake pipe and open the air outlet pipe.
2. The air valve as described in claim 1, characterized in that, The chamber is provided with a support, and the moving component includes a slider and a moving part fixedly connected to the slider. The slider is slidably disposed on the support along the first direction. The middle part of the memory metal wire is connected to the slider. The first side of the moving part can close the air inlet pipe, and the second side opposite to the first side can close the air outlet pipe.
3. The air valve as described in claim 2, characterized in that, A first soft sealing gasket is provided on the first side, and the first soft sealing gasket corresponds to the opening of the air inlet pipe. A second soft sealing gasket is provided on the second side, and the second soft sealing gasket corresponds to the opening of the air outlet pipe.
4. The air valve as described in claim 2, characterized in that, The movable component is mounted on the bracket, the slider, and the memory metal wire.
5. The air valve as described in claim 4, characterized in that, The bracket is provided with a first sliding groove, the middle part of the slider is placed in the first sliding groove, and the two inner walls opposite each other of the moving part are provided with slots, and the slider is respectively inserted into the two slots at both ends perpendicular to the first direction.
6. The air valve as described in claim 5, characterized in that, The bottom of the first slide groove is provided with an installation groove, and the reset member is located in the installation groove. One end of the reset member abuts against the bottom of the installation groove, and the other end abuts against the slider.
7. The air valve as described in claim 2, characterized in that, The movable component is provided with a slide rail, and the valve body has a second slide groove inside that cooperates with the slide rail. The second slide groove extends along the first direction, and the movable component slides along the second slide groove inside the valve body.
8. The air valve as described in claim 1, characterized in that, The valve body includes an upper valve body and a base plate connected to the upper valve body. The chamber is located inside the upper valve body, and the chamber forms a chamber opening on the surface of the upper valve body. The base plate seals the chamber opening. The base plate is provided with a metal welding plate, which is used to connect to the external trigger circuit. The metal welding plate passes through the base plate and is provided with a metal clip. The end of the memory metal wire is fixed on the metal clip.
9. The air valve as described in claim 1, characterized in that, The vent pipe has a stepped surface inside, and the reset member is located inside the vent pipe. One end of the reset member abuts against the stepped surface, and the other end abuts against the moving component.
10. A massage device, characterized in that, It includes an airbag, an air pump, and an air valve as described in any one of claims 1 to 9, wherein the airbag is connected to the airbag connecting pipe of the air valve, and the air pump is connected to the air inlet pipe of the air valve.