CN217977525U - Lateral air leakage valve - Google Patents
Lateral air leakage valve Download PDFInfo
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- CN217977525U CN217977525U CN202222422071.3U CN202222422071U CN217977525U CN 217977525 U CN217977525 U CN 217977525U CN 202222422071 U CN202222422071 U CN 202222422071U CN 217977525 U CN217977525 U CN 217977525U
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Abstract
The utility model relates to a lateral air leakage valve, which comprises a cover plate and a modularized valve core, wherein one side of the cover plate is provided with a first concave part and a second concave part, and the first concave part is provided with a through air vent; the modularized valve core is arranged on the cover plate and covers the first sunken part to form a first valve chamber, the second sunken part is covered to form an air relief valve chamber, and the modularized valve core comprises a first pressing plate, a membrane structure and a second pressing plate which are sequentially laminated together from the side close to the cover plate to the side far away from the cover plate; the first pressing plate is provided with a first air release hole, a second air release hole, a first opening part and a second opening part, wherein the first air release hole and the second air release hole are respectively communicated with the air release valve chamber, the first opening part is opposite to the first recessed part, the second opening part surrounds the periphery of the first air release hole, the second opening part is matched with the cover plate to form a second valve chamber, the second valve chamber is communicated with the air vent, and the second air release hole is staggered with the membrane structure and the second pressing plate; the second press plate is provided with a first air inlet and a second air inlet. The utility model discloses easily production, the microminiaturization and the frivolousization of easy air leak valve are favorable to the process management and control in the mass production.
Description
Technical Field
The utility model relates to a fluid control technical field, concretely relates to side direction is leaking leak valve.
Background
The air leakage valve is usually used with the cooperation of miniature air pump, constitutes and fills the gassing module fast, but wide application in intelligent wearing equipment such as wrist-type sphygmomanometer, intelligent wrist-watch and intelligent bracelet, is applied to the air leakage valve in intelligent wearing equipment in order to realize structural microminiaturization, and current air leakage valve adopts valve case or disk seat and diaphragm complex structure more, for example, the valve, fluid control device, the whole valve that comprises valve case and diaphragm structure of application publication for CN 201380020898.2. The air inlet side of the valve is communicated with an air outlet hole flow passage of the gas generating device (the piezoelectric pump), and the air charging and discharging process is realized by controlling the pressure of the air inlet side and the air outlet side of the valve. The valve shell or the valve seat of the existing air leakage valve product has the defects of injection molding or complex machining process, no independent valve core structure, loose structure, difficult manufacture and assembly, difficult process control, difficult reduction of rejection rate in the production process to cause higher resource waste, and difficult realization of microminiaturization and lightness and thinness of the air leakage valve.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: in order to solve the problems that in the existing air leakage valve product, because the injection molding or the complex machining process exists in a valve shell or a valve seat, an independent modular valve core structure is not available, the structure is loose, the process control is not facilitated, and the microminiaturization and the lightness and thinness of the air leakage valve are realized, a lateral air leakage valve is provided.
In order to solve the technical problem, the technical scheme of the utility model is that: a lateral air leak valve comprising:
the air conditioner comprises a cover plate, a first air inlet and a second air inlet, wherein one side of the cover plate is provided with a first concave part and a second concave part;
a modular cartridge mounted to the cover plate and covering the first recess to form a first valve chamber and the second recess to form a vent valve chamber, the modular cartridge comprising a first pressure plate, a membrane structure and a second pressure plate stacked in sequence from a side near the cover plate to a side far from the cover plate to form an integral structure; wherein the content of the first and second substances,
the first pressure plate is provided with a first air release hole and a second air release hole which are respectively communicated with the air release valve chamber, a first opening part facing the first concave part and a second opening part surrounding the periphery of the first air release hole, the second opening part is matched with the cover plate to form a second valve chamber, the second valve chamber is communicated with the air vent, and the second air release hole is staggered with the membrane structure and the second pressure plate;
the second pressing plate is provided with a first flange corresponding to the first opening part and protruding towards the cover plate side, and a second air inlet hole opposite to the first air release hole and the second opening part, and the first flange is provided with a first air inlet hole which penetrates through the first flange;
the membrane structure comprises a membrane and a middle valve plate, wherein the membrane is used for plugging the first air release hole when the second air inlet hole admits air and opening the first air release hole when the vent hole reversely vents air; the middle valve plate is used for generating elastic deformation when the first air inlet hole admits air so as to form a valve channel for communicating the first air inlet hole and the first valve chamber, and resetting to block the first air inlet hole when the first air inlet hole does not admit air.
In order to further improve the matching precision and the sealing property between the middle valve plate and the first air inlet hole, a second flange protruding from the cover plate side is arranged in the middle of the first flange, the first air inlet hole is formed in the second flange, and the second flange and the first flange are in fillet transition;
the middle valve plate is used for tightly abutting against a fillet transition area between the first flange and the second flange when the first air inlet hole is not filled with air so as to block the first air inlet hole.
Furthermore, the first pressure plate is provided with an extension part, one end part of the extension part extends into the second opening part, and the other end part of the extension part exceeds the first pressure plate; wherein the content of the first and second substances,
the extension part blocks the second sunken part to form the air relief valve chamber, the first air relief hole is formed in one end part of the extension part, and the second air relief hole is formed in the other end part of the extension part.
Further, the cover plate is made of a metal material, a high polymer material or a metal high polymer composite material.
Further, the first pressing plate is made of a metal material, a high polymer material or a metal high polymer composite material.
Further, the second pressing plate is a high molecular polymer membrane, a metal membrane or a metal high molecular composite membrane.
Further, the diaphragm comprises a joint part and a deformation part which are connected with each other, the joint part is clamped between the first pressing plate and the second pressing plate, and the deformation part is opposite to the first air release hole and the second opening part and used for plugging or opening the first air release hole.
Further, the cover plate is formed by a layer of flat plate or a plurality of layers of flat plates.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
1. the whole cover plate is flat, the modular valve core is of a laminated structure, the modular valve core and the valve body are assembled in a flat-to-flat and fit mode to form the air leakage valve, an independently arranged valve shell or valve seat is not needed, injection molding or complex machining processes of the valve shell or the valve seat in the existing air leakage valve product structure are not needed, microminiaturization and light weight of the air leakage valve are facilitated, meanwhile, the modular valve core and the cover plate are manufactured in a split mode and then are fitted and packaged, and process control in batch production is facilitated;
2. the air leakage valve adopts an independent modularized valve core, the forward opening performance and the reverse stopping performance which are key evaluation indexes of the air leakage valve performance can be checked and detected without assembling into a complete air leakage valve product, the quality of a final product is controlled in an intermediate process, the rejection rate is further reduced, and the waste of resources such as raw materials, manpower and the like caused by a subsequent production process based on waste products is avoided;
3. the first air inlet hole is arranged at the center or near the center of the second flange, and the intermediate valve plate is abutted against a fillet transition area between the first flange and the second flange, namely, the orifice edge of the first air inlet hole is not directly contacted with the intermediate valve plate, so that the influence of the size position deviation of the first air inlet hole in the processing process or flash burrs formed on the orifice edge in the processing process on the matching precision and the sealing property between the intermediate valve plate and the first air inlet hole is avoided, the reverse cut-off performance of the intermediate valve plate is further improved, and the air leakage valve is prevented from losing efficacy;
4. in the air leakage process, air flows out through the second air leakage holes arranged in the lateral direction, the second air leakage holes are arranged in the lateral direction, the peripheral device does not need to avoid the air leakage holes during installation, the installation surface of the air vent for connecting the peripheral air storage device is smooth, the peripheral air storage device is convenient to install, and the product applicability is improved.
Drawings
Fig. 1 is a schematic view of a cover plate formed by a flat plate according to an embodiment of the present invention;
fig. 2 is a schematic view of another perspective of the cover plate formed by a layer of flat plate according to the embodiment of the present invention;
fig. 3 is a schematic view of a cover plate formed by stacking a plurality of flat plates according to an embodiment of the present invention;
fig. 4 is a sectional view of a first flange having a generally conical shape according to an embodiment of the present invention;
fig. 5 is a sectional view of a first flange having a cylindrical shape as a whole according to an embodiment of the present invention;
fig. 6 is a schematic view of a dispersed structure of a modular valve cartridge according to an embodiment of the present invention;
fig. 7 is a schematic view of another perspective of a modular valve cartridge dispersal mechanism in an embodiment of the present invention;
fig. 8 is a schematic structural view of a lateral air leakage valve according to an embodiment of the present invention;
fig. 9 is a schematic view of the inflation process of the lateral air leakage valve in the embodiment of the present invention;
fig. 10 is a schematic view of the air release process of the lateral air release and leak valve according to the embodiment of the present invention.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic drawings, which illustrate the basic structure of the invention only in a schematic way, and thus show only the components that are relevant to the invention, and the directions and references (e.g., upper, lower, left, right, etc.) may be used only to help describe the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
As shown in fig. 1-10, a lateral air leakage valve comprises a cover plate 1 and a modular valve core; wherein the content of the first and second substances,
a first concave part 11 and a second concave part 12 are arranged on one side of the cover plate 1, and the first concave part 11 is provided with a through vent hole 111;
the modularized valve core is arranged on the cover plate 1 and covers the first sunken part 11 to form a first valve chamber 52, the second sunken part 12 is covered to form a gas relief valve chamber 51, and the modularized valve core comprises a first pressing plate 2, a membrane structure 3 and a second pressing plate 4 which are sequentially laminated together from the side close to the cover plate 1 to the side far away from the cover plate 1 to form an integral structure;
the first pressing plate 2 is provided with a first air release hole 21 and a second air release hole 22 which are respectively communicated with the air release valve chamber 51, a first opening part 23 which is opposite to the first concave part 11 and a second opening part 24 which surrounds the periphery of the first air release hole 21, the second opening part is matched with the cover plate to form a second valve chamber 53, the second valve chamber 53 is communicated with the air vent hole 111, and the second air release hole 22 is staggered with the membrane structure 3 and the second pressing plate 4;
the second pressing plate 4 is provided with a first flange 41 corresponding to the first opening part 23 and protruding towards the cover plate 1 side, and a second air inlet hole 42 opposite to the first air release hole 21 and the second opening part 24, and the first flange 41 is provided with a first air inlet hole 43 penetrating through;
the membrane structure 3 comprises a diaphragm 31 and a middle valve plate 32, wherein the diaphragm 31 is used for blocking the first air release hole 21 when the second air inlet hole 42 is used for air inlet and opening the first air release hole 21 when the vent hole 111 is used for reverse ventilation; the intermediate valve plate 32 is configured to elastically deform when the first intake hole 43 is intake to form a valve passage communicating the first intake hole 43 and the first valve chamber 52, and to reset to block the first intake hole 43 when the first intake hole 43 is not intake.
To better understand the lateral air release and leakage valve in the present embodiment, which will be further explained and explained below, the side 1 facing the cover plate is defined as upward, and the first recess 11 and the second recess 12 are disposed on the lower surface of the cover plate 1, but not limited thereto.
As shown in fig. 1-10, a lateral air leakage valve comprises a cover plate 1 and a modular valve core fixedly connected with the cover plate 1:
the cover plate 1, some lower surfaces of which are concave upwards to form a first concave part 11 and a second concave part 12, the cover plate 1 is also provided with a through vent hole 111, and the vent hole 111 is communicated with the first concave part 11;
the cover plate 1 is a flat plate as a whole, and may be formed of a single flat plate, as shown in fig. 1 and 2. The cover plate 1 may be made of a single flat plate, which is advantageous to reduce the process difficulty and the manufacturing cost, and the material of the cover plate 1 may be a polymer material, a composite material of a polymer and a metal, or a metal material, which is not limited herein, but is required to have sufficient rigidity. In this embodiment, the cover plate 1 is made of metal, which is beneficial to improving the overall rigidity and stability of the structure.
And the modular valve core is arranged on the cover plate 1, covers the first concave part 11 to form a first valve chamber 52, covers the second concave part 12 to form a gas release valve chamber 51, and comprises a first pressing plate 2, a membrane structure 3 and a second pressing plate 4 which are laminated together to form an integral structure, wherein the first pressing plate 2 and the second pressing plate 4 are oppositely pressed on the upper side and the lower side of the membrane structure 3. The upper surface of the first pressure plate 2 of the modular valve core is jointed with the lower surface of the cover plate 1 to form a sealing fixed connection.
Specifically, the cover plate 1 is integrally flat, the modular valve core is of a laminated structure, the two are assembled in a flat-to-flat and fit mode to form the air leakage valve, an independently arranged valve shell or valve seat is omitted, injection molding or complex machining processes of the valve shell or the valve seat in the existing air leakage valve product structure are omitted, microminiaturization and light and thin of the air leakage valve are easier, meanwhile, the modular valve core and the cover plate 1 are manufactured in a split mode and then are fitted and packaged, and process control in batch production is facilitated. And the mounting surface where the vent hole 111 is connected with the external air storage device is flat, so that the external air storage device is convenient to mount, and the product applicability is improved.
The first pressing plate 2 is provided with a first air release hole 21 and a second air release hole 22 which are communicated with the air release valve chamber 51, and is also provided with a first opening part 23 and a second opening part 24 which are separated, the second air release hole 22 is staggered with the membrane structure 3 and the second pressing plate 4, the first opening part 23 is arranged corresponding to the first concave part 11, the second opening part 24 is arranged at the periphery of the first air release hole 21 and is matched with the cover plate 1 to form a second valve chamber 53, and the second valve chamber 53 is also communicated with the vent hole 111; the second pressing plate 4 is formed by upwardly protruding a first flange 41 at or near the center of the area facing the first opening 23, and a second flange 44 is formed by downwardly protruding a first flange 41 at or near the center of the top of the first flange 41, that is, the first flange 41 and the second flange 44 are opposite in protruding direction, the rising edge of the first flange 41 and the rising edge of the second flange 44 are rounded off, and a first air inlet hole 43 is formed at or near the center of the second flange 44.
The first pressing plate 2 is provided with an extension part, one end part of the extension part extends into the second opening part 24, and the other end part of the extension part exceeds the first pressing plate 2; wherein the content of the first and second substances,
the extension portion blocks the second recess portion 11 to form a relief valve chamber 51, a first relief hole 21 is provided at one end portion of the extension portion, and a second relief hole 22 is provided at the other end portion of the extension portion, as shown in fig. 6 and 7. With this arrangement, the size of the first presser plate 2 can be further reduced, and further miniaturization can be achieved. In this embodiment, the upper and lower surfaces of the extension are flush with the first platen 2.
The first flange 41 has a trapezoidal conical shape as shown in fig. 4, or a cylindrical shape as shown in fig. 5, without limitation.
Meanwhile, the second presser plate 4 is provided with a second air intake hole 42 opposite to the first air release hole 21 and the second opening portion 24.
The valve plate body abuts against the fillet transition area between the first flange 41 and the second flange 44 and covers the first intake hole 43, and the intermediate valve plate 32 elastically deforms toward the first valve chamber 52 due to the abutting of the valve plate body against the fillet transition area. The intermediate valve sheet 32 is configured to be further elastically deformed when the first intake port 43 is intake to form a valve passage communicating the first intake port 43 and the first valve chamber 52, and to be slightly restored to block the first intake port 43 when the first intake port 43 is not intake. In the initial state, the valve plate body covers the first air inlet hole 43, and the first air inlet hole 43 is not communicated with the first valve chamber 52.
The first press plate 2 may be made of a polymer material, a composite material of a polymer and a metal, or a metal material, but is not limited thereto. In this embodiment, the first pressing plate 2 is made of metal. The integral rigidity and the stability of the structure are improved.
The second pressing plate 4 may be made of a high molecular polymer membrane, a metal membrane, or a composite membrane composed of a high molecular polymer and a metal, which is not limited herein.
The first opening 23 covers the first flange 41 and the valve sheet body and the second connecting portion abutting against the fillet transition area to avoid deformation of the first flange 41 and the intermediate valve sheet 32 toward the first valve chamber 52, and the first recess 11 covers the first flange 41 and the valve sheet body and the second connecting portion abutting against the fillet transition area to avoid deformation of the first flange 41 and the intermediate valve sheet 32 toward the first valve chamber 52. It should be noted that, in the initial state, a gap is formed between the valve plate body and the bottom surface of the first valve chamber 52; as shown in fig. 6-10.
Specifically, the independent modular valve core is adopted in the embodiment, the forward opening performance and the reverse stopping performance which are key evaluation indexes of the air leakage valve performance can be checked and detected without assembling a complete air leakage valve product, the quality of a final product is controlled in an intermediate process, the rejection rate is further reduced, and the waste of resources such as raw materials, manpower and the like caused by a subsequent production process based on waste products is avoided; first inlet port 43 sets up near the center or the central point of second flange 44 puts, the valve block body supports the fillet transition region between first flange 41 and the second flange 44, namely, the drill way edge of first inlet port 43 is direct contact valve block body not, the size position deviation of having avoided first inlet port 43 in the course of working or the overlap burr that drill way edge formed in the course of working influence cooperation precision and leakproofness between middle valve block and the first inlet port 43, and then the reverse performance of ending of middle valve block 32 has been improved, avoid air leakage valve inefficacy.
Based on above-mentioned structure, the working process of the side direction air leakage valve that loses heart of this embodiment is:
when the valve is inflated, gas with a certain pressure flows through the second air inlet hole 42, so that the deformation portion of the diaphragm 31 is deformed toward the first relief hole 21, meanwhile, gas with the same pressure flows through the first air inlet hole 43 to jack up the valve plate body of the intermediate valve plate 32, the intermediate valve plate 32 is elastically deformed, a gap is formed between the valve plate body and the fillet transition area, a valve passage communicating the first air inlet hole 43 and the first valve chamber 52 is formed, and the pressure gas flows through the first air inlet hole 43 and the valve passage and then enters the first valve chamber 52, which generates a pressure drop, namely, the gas pressure in the first valve chamber 52 is smaller than the gas pressure flowing through the first air inlet hole 43, because the first valve chamber 52 is communicated with the second valve chamber 53, namely, the pressure in the second valve chamber 53 is smaller than the gas pressure flowing through the second air inlet hole 42, under the action of the pressure difference, the deformation portion of the diaphragm 31 overcomes the elastic deformation resistance of the self elastic deformation and elastically deforms toward the first relief hole 21, and blocks the first relief hole 21, and the gas with the first air inlet hole 21 is blocked, and then flows out of the external device through the first air inlet hole 43, as shown in the figure 9.
When air is deflated, the first air inlet hole 43 and the second air inlet hole 42 stop air intake, the pressure is reduced, the air with a certain pressure stored in the external air storage device flows into the first valve chamber 52 and the second valve chamber 53 through the air vent 111, the valve body of the intermediate valve sheet 32 is quickly pressed to the arc transition area under the combined action of the self-deformation restoring force of the intermediate valve sheet 32 and the pressure difference between two sides of the valve body, and blocks the first air inlet hole 43, so as to block the path of the air in the first valve chamber 52 flowing out through the first air inlet hole 43, meanwhile, the deformation part of the diaphragm 31 blocking the first air vent releases the blocking of the first air vent 21 under the action of the pressure difference between two sides, at this time, the pressure air flowing into the first valve chamber 52 and the second valve chamber 53 through the air vent hole 111 from the external air storage device can only flow out from the second hole 22 through the air vent valve chamber 51 through the first air vent hole 111, thereby completing the air venting, as shown in fig. 10.
Specifically, in the air release process, the air flows out through the second air release holes 22 arranged laterally, the second air release holes 22 are arranged laterally, and the peripheral device does not need to be considered to avoid the second air release holes 22 during installation.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the description, and must be determined according to the scope of the claims.
Claims (8)
1. A lateral air leakage valve which is characterized in that,
the method comprises the following steps:
the cover plate comprises a cover plate (1), wherein a first concave part (11) and a second concave part (12) are arranged on one side of the cover plate (1), and a through vent hole (111) is formed in the first concave part (11);
a modular cartridge mounted to the cover plate (1) and covering the first recess (11) to form a first valve chamber (52) and the second recess (12) to form a relief valve chamber (51), the modular cartridge comprising a first presser plate (2), a film structure (3) and a second presser plate (4) laminated together in sequence from a side close to the cover plate (1) to a side away from the cover plate (1) to form an integral structure; wherein the content of the first and second substances,
the first pressing plate (2) is provided with a first air release hole (21) and a second air release hole (22) which are respectively communicated with the air release valve chamber (51), a first opening part (23) which is opposite to the first concave part (11) and a second opening part (24) which surrounds the periphery of the first air release hole (21), the second opening part is matched with the cover plate to form a second valve chamber (53), the second valve chamber (53) is communicated with the vent hole (111), and the second air release hole (22) is staggered with the membrane structure (3) and the second pressing plate (4);
the second pressing plate (4) is provided with a first flange (41) which corresponds to the first opening part (23) and protrudes towards the cover plate (1) side, and a second air inlet hole (42) which is opposite to the first air release hole (21) and the second opening part (24), and the first flange (41) is provided with a first air inlet hole (43) which penetrates through the first air inlet hole;
the membrane structure (3) comprises a membrane (31) and an intermediate valve sheet (32), wherein the membrane (31) is used for blocking the first air release hole (21) when the second air inlet hole (42) is used for air inlet and opening the first air release hole (21) when the vent hole (111) is used for reverse ventilation; the middle valve plate (32) is used for elastically deforming when the first air inlet hole (43) admits air to form a valve channel for communicating the first air inlet hole (43) with the first valve chamber (52), and resetting to block the first air inlet hole (43) when the first air inlet hole (43) does not admit air.
2. The lateral air leak valve according to claim 1,
a second flange (44) protruding from the cover plate (1) side is arranged in the middle of the first flange (41), the first air inlet hole (43) is arranged in the second flange (44) in a penetrating manner, and the second flange (44) and the first flange (41) are in fillet transition;
the middle valve plate (32) is used for abutting against a fillet transition area between the first flange (41) and the second flange (44) when the first air inlet hole (43) does not admit air so as to block the first air inlet hole (43).
3. The lateral air leak valve according to claim 1,
the first pressure plate (2) is provided with an extension part, one end part of the extension part extends into the second opening part (24), and the other end part of the extension part exceeds the first pressure plate (2); wherein the content of the first and second substances,
the extension part blocks the second concave part (12) to form the air relief valve chamber (51), the first air relief hole (21) is arranged at one end part of the extension part, and the second air relief hole (22) is arranged at the other end part of the extension part.
4. The lateral air leak valve according to claim 1,
the cover plate (1) is made of a metal material or a high polymer material.
5. The lateral air leak valve according to claim 1,
the first pressing plate (2) is made of a metal material or a high polymer material.
6. The lateral air leak valve according to claim 1,
the second pressing plate (4) is a high molecular polymer membrane or a metal membrane.
7. The lateral air leak valve according to claim 1,
the diaphragm (31) comprises a joint part and a deformation part which are connected with each other, the joint part is clamped between the first pressing plate (2) and the second pressing plate (4), and the deformation part is right opposite to the first air leakage hole (21) and the second opening part (24) and used for plugging or opening the first air leakage hole (21).
8. The lateral air leak valve according to claim 1,
the cover plate (1) is formed by a layer of flat plate or a plurality of layers of flat plates in a laminated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222422071.3U CN217977525U (en) | 2022-09-13 | 2022-09-13 | Lateral air leakage valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222422071.3U CN217977525U (en) | 2022-09-13 | 2022-09-13 | Lateral air leakage valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217977525U true CN217977525U (en) | 2022-12-06 |
Family
ID=84264315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222422071.3U Active CN217977525U (en) | 2022-09-13 | 2022-09-13 | Lateral air leakage valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217977525U (en) |
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2022
- 2022-09-13 CN CN202222422071.3U patent/CN217977525U/en active Active
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