CN220708656U - Sealing device for airtight test - Google Patents
Sealing device for airtight test Download PDFInfo
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- CN220708656U CN220708656U CN202321803398.3U CN202321803398U CN220708656U CN 220708656 U CN220708656 U CN 220708656U CN 202321803398 U CN202321803398 U CN 202321803398U CN 220708656 U CN220708656 U CN 220708656U
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- 238000012360 testing method Methods 0.000 title claims abstract description 169
- 238000007789 sealing Methods 0.000 title claims abstract description 85
- 238000001514 detection method Methods 0.000 claims description 12
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 206010040007 Sense of oppression Diseases 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a sealing device for airtight test, and relates to the technical field of airtight test. The bottle body comprises a pushing device (100) positioned at one side of the bottle body, a testing device (200) pushed to the position of the bottle body by the pushing device (100), and a sealing component (210) which is nested on the testing device (200) and is provided with an inner ring packet Rao Ping body, wherein the sealing component (210) and the inside of the testing device (200) are used for forming a testing cavity (220), a sensing device (300) is arranged in the testing cavity (220), the bottle body is connected with an airtight device (400), and a limiting device is also arranged; the bottom of the bottle body penetrates through the testing cavity (220) and the inner ring of the sealing component (210), the sealing component (210) is sleeved with the bottle body, the testing device (200) is pushed to move towards the limiting device, gas is injected into the testing cavity (220) through the airtight device (400), and the air pressure of the testing cavity (220) is observed through the sensing device (300) to form a reusable sealing cavity.
Description
Technical Field
The utility model relates to the technical field of airtight tests, in particular to a sealing device for an airtight test.
Background
The air tightness test is to connect with the accurate micro differential pressure sensor with the same air path of the tested piece and the standard piece, measure the differential pressure value of the standard piece and the tested piece in the stipulated time, obtain the pressure drop of the actual leakage of the tested piece by temperature compensation, judge whether it leaks.
The prior air detection leaks of the container (bottle) are divided into two types, one is to fill the bottle and then to keep the pressure, and the change of the air pressure of the bottle in the pressure keeping time period is detected to judge whether the air leakage exists. The other is to fill the bottle with a device, and then to inflate the bottle, and then to detect the amount of gas leaking from the bottle to determine whether the bottle is leaking.
In the existing second air tightness test method, when the structure of the bottle body is tested, the bottle body is usually inflated, and then the bottle body is placed in water to observe whether bubbles are generated or not, and the test is usually conducted on the air tightness test of the composite layer at the bottom of the bottle body; although the detection mode is relatively perfect, the bottle structure entering water is easy to be corroded to cause the quality damage of the product, and the detection effect is limited.
Disclosure of Invention
The utility model discloses a sealing device for airtight test, which is used for reducing the space size of a detection frame outside a bottle so as to improve the detection precision.
The utility model provides the following solutions:
the sealing device for airtight test is used for realizing airtight test of a local structure on the outer surface of a bottle body and comprises a pushing device, a testing device and a sealing assembly, wherein the pushing device is positioned on one side of the bottle body, the testing device is pushed to the position of the bottle body by the pushing device, the sealing assembly is arranged on the testing device in a nested manner, the inner ring of the sealing assembly is wrapped with Rao Ping bodies, a testing cavity is formed between the sealing assembly and the testing device, a sensing device is arranged in the testing cavity, the bottle body is connected with the airtight device, and a limiting device is also arranged above the testing device;
the bottom of the bottle body penetrates through the testing cavity and the inner ring of the sealing component, the inner ring of the sealing component is sleeved with the bottle body, the testing device is pushed to move towards the limiting device,
so that the closing component is extruded, and a first closed ring is formed at the upper edge of the closing component; and a second closed loop formed by closing the limiting device, the closing component and the testing device; and/or a third closed loop formed by closing the part below the testing device and in contact with the pushing device; so that the test chamber forms an internal enclosed space,
the bottle body is injected with gas through the airtight device, and the change of the air pressure of the testing cavity is observed through the sensing device, so that a reusable closed chamber corresponding to the local structure of the bottle body is formed.
In order to improve the precision, the smaller the volume of the device for wrapping the bottle is, the smaller the space between the outer frame for containing the bottle and the bottle is, the larger the variation of the pressure of the same leaked gas is, the easier the detection is, and the higher the height is, so that the detection precision is improved; based on the conception, the utility model can randomly select the practical bottle body or other container objects with outer walls to be detected by the targeted sealing device, so as to form the main structure of the airtight testing device;
the bottle body can be a completely closed container which is punctured by an external ventilation device for testing, or a container with one or more openings is arranged, and the container is connected with the ventilation device through the openings for air source injection testing; or an object with a part of the container cavity structure, including but not limited to forming a certain closed or semi-closed containing space, is also a bottle body according to the utility model;
wherein the pushing device pushes the testing device to move towards the bottle body from one side far away from the bottle body, or pushes the testing device to push from one side of the bottle body to the other side; or the pushing device pushes the two testing devices to move relatively to form the compression of the sealing assembly and the contact with the outer surface of the bottle body;
wherein, the closure assembly includes to the connected state of bottle external surface: the inside cavity that forms of closure subassembly is relaxed state, and closure subassembly has the microgap with the bottle to the bottle reciprocates at the cavity, promotes the back, receives the oppression from the opposite side, and the cavity is also extruded, and closure subassembly locks or seals the surface of adsorbing in the bottle, and bottle and closure subassembly fixed connection this moment.
Preferably, the limiting device and the testing device are provided with directional channels, the limiting device is provided with directional columns, and the directional columns and the directional channels are used for limiting the pushing travel direction of the testing device.
Preferably, an elastic component which is arranged in parallel with the orientation column is arranged in the orientation channel of the limiting device, and the elastic component is used for automatically unlocking the limiting device.
Preferably, the testing device is provided with a circumferential groove at the top and a receiving through hole communicated below the circumferential groove, the circumferential groove is used for installing the closure assembly, and the receiving through hole is used for placing the bottom structure of the bottle body so that the upper structure of the closure assembly is in contact with the bottle body.
Preferably, the upper side of the sealing component is provided with a fixing piece which is of an annular structure, a first fixing hole is arranged between the fixing piece and the testing device, the sealing component is arranged between the fixing piece and the annular groove, and a directional channel is arranged among the fixing piece, the bottom of the annular groove and the testing device.
Preferably, the limiting device comprises a sleeve part and a positioning part, the sleeve part is of a cylindrical structure and is used for accommodating a travelling bottle body structure, the positioning part is fixedly connected to one side of the sleeve part, which is close to the testing device, and comprises a plurality of annularly arranged directional through holes and positioning columns, the directional through holes are provided with elastic components which are arranged in parallel with the positioning columns, the testing device is provided with a plurality of corresponding directional channels, and the inner diameters of the directional channels are matched with the positioning columns;
the orientation column is arranged in the orientation through hole and extends,
the pushing device pushes the testing device to move towards the limiting device, and the directional column enters the directional channel and gradually overcomes the reverse acting force of the elastic component to the upper side of the testing device;
the pushing device reversely releases the testing device, the elastic piece is abutted against the fixing piece, the testing device is pushed to the upper side of the pushing device, and the testing device and the bottle body structure are released together.
Preferably, the pushing device is an air cylinder.
Preferably, the top of the testing device is provided with an annular closed groove, the top of the pushing device is provided with a sealing ring, and the sealing ring and the closed groove are used for forming the third closed ring.
Preferably, the sealing component is a rubber sealing ring and comprises a sealing ring positioned at the bottom and a bench sealing ring which is contracted obliquely upwards, and the top of the limiting device is provided with a groove with an arc-shaped or oblique structure for realizing extrusion sealing between the bench sealing ring and the outer side of the bottle body.
Preferably, a detection system is further provided, and the system is used for installing a plurality of groups of fixed limiting devices and devices for testing a plurality of groups of bottle bodies and testing devices repeatedly.
The utility model comprises two large devices, one group of the devices is fixedly arranged and comprises a limiting device and an airtight device for inflating the bottle body, the other group of the devices is of a floating property and comprises the bottle body, a testing device surrounding the outer side of the bottle body and a pushing device, the bottle body and the testing device are preassembled in the embodiment or are preassembled relative to the fixedly arranged limiting device, the bottle body is sleeved in the testing device, a sealing component is further arranged above the testing device, and the floating testing device, the bottle body and the sealing component are moved towards the limiting device through the pushing device so that the sealing component is extruded and sealed between the limiting device and the testing device, and a first sealing ring is formed at the upper edge of the sealing component; and a second closed loop formed by closing the limiting device, the closing component and the testing device; and/or a third closed loop formed by closing the part below the testing device and in contact with the pushing device; so that the test cavity forms an enclosed space which is compact inside and at the test position of the bottle body, the air is injected into the bottle body through the airtight device, and the air pressure change of the test cavity is observed through the sensing device.
The device realizes an airtight test experimental device without bubbles, reduces the influence of moisture on other easily corroded bottles such as metal bottles and the like, is suitable for local bottle tests, particularly for bottom tests of the bottles, and can be properly improved based on the utility model when the middle or top of the bottle is tested, namely, the pushing device is further arranged to be sleeved on a pushing structure of the bottle, the upper limiting device is offset relative to the bottle, and the top test is carried out only by reversely placing the bottle, so that the device also belongs to the coverage range of the utility model; the bottle body is of a general finger structure, comprises, but is not limited to, a common gas bottle, a beverage bottle or an airtight test of a pipeline joint specified by extension, and belongs to an airtight test based on a certain local outer surface and structure in the bottle body.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the present utility model.
Fig. 3 is a schematic structural view of the present utility model.
Fig. 4 is a schematic structural view of the present utility model.
In the figure, 100, the pushing device; 200. a testing device; 210. a closure assembly; 220. a test chamber; 230. a sleeve member; 240. a positioning piece; 300. a sensing device; 400. and an airtight device.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; the mechanical connection can be welding, riveting, threaded connection or flange connection, etc.; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Embodiment one:
the utility model is described in detail below with reference to figures 1 to 4,
the sealing device for airtight test is used for realizing airtight test of local structures on the outer surface of a bottle body, and comprises a pushing device 100 positioned on one side of the bottle body, a testing device 200 pushed to the position of the bottle body by the pushing device 100, and a sealing component 210 which is nested on the testing device 200 and is wrapped with a Rao Ping body by an inner ring, wherein the sealing component 210 and the inside of the testing device 200 are used for forming a testing cavity 220, a sensing device 300 is arranged in the testing cavity 220, the bottle body is connected with an airtight device 400, and a limiting device fixed above the testing device 200 is also arranged;
the bottom of the bottle body penetrates through the testing cavity 220 and the inner ring of the sealing component 210, the inner ring of the sealing component 210 is sleeved with the bottle body, the testing device 200 is pushed to move towards the limiting device,
so that the closing member 210 is pressed, forming a first closed loop at the upper edge of the closing member 210; and a second closed loop formed by closing the spacing device, the closing assembly 210 and the testing device 200; and/or a third closed loop formed by closing the portion of the test device 200 that is in contact with the pushing device 100; so that the test cavity 220 forms an interior enclosed space,
the vial is injected with gas through the gas-tight means 400 and the change in gas pressure of the test chamber 220 is observed through the sensing means 300.
In order to improve the precision, the smaller the volume of the device for wrapping the bottle is, the smaller the space between the outer frame for containing the bottle and the bottle is, the larger the variation of the pressure of the same leaked gas is, the easier the detection is, and the higher the height is, so that the detection precision is improved; based on the conception, the utility model can randomly select the practical bottle easy-leakage point to detect the targeted sealing device, so as to form the main structure of the airtight testing device;
the bottle body can be a container for completely sealing an external ventilation device for testing or a container provided with one or more openings, and air sources are injected through connecting the ventilation device; or part of the bottle body is provided with a container structure to form a certain closed or semi-closed containing space, namely the bottle body of the utility model;
wherein the pushing device pushes the testing device to move towards the bottle body from one side far away from the bottle body, or pushes the testing device to push from one side of the bottle body to the other side; or the pushing device pushes the two testing devices to move relatively to form the compression of the sealing assembly and the contact with the outer surface of the bottle body;
wherein, the closure assembly includes to the connected state of bottle external surface: the inside cavity that forms of closure subassembly is relaxed state, and closure subassembly has the microgap with the bottle to the bottle reciprocates at the cavity, promotes the back, receives the oppression from the opposite side, and the cavity is also extruded, and closure subassembly locks or seals the surface of adsorbing in the bottle, and bottle and closure subassembly fixed connection this moment.
In an alternative embodiment, the limiting device and the testing device 200 are provided with an orientation channel, and the limiting device is provided with an orientation post, and the orientation post and the orientation channel are used for limiting the pushing travel direction of the testing device 200.
In an alternative embodiment, an elastic assembly is provided in the orientation channel of the stop device, juxtaposed to the orientation post, the elastic assembly being used to automatically unlock the testing condition between the stop device and the testing device 200.
In an alternative embodiment, the test device 200 is provided with a top circumferential groove for mounting the closure assembly 210 and a receiving through hole communicating below the circumferential groove for receiving the bottom structure of the bottle body such that the upper structure of the closure assembly 210 is in contact with the bottle body.
In an alternative embodiment, the upper side of the sealing component 210 is provided with a fixing piece, the fixing piece is in an annular structure, a first fixing hole is arranged between the fixing piece and the testing device 200, the sealing component 210 is arranged between the fixing piece and the annular groove, and an orientation channel is arranged between the fixing piece, the bottom of the annular groove and the testing device 200.
In an alternative embodiment, the limiting device comprises a sleeve member 230 and a positioning member 240, the sleeve member 230 is in a cylindrical structure and is used for accommodating a travelling bottle body structure, the positioning member 240 is fixedly connected to one side of the sleeve member 230, which is close to the testing device 200, the positioning member 240 comprises a plurality of annularly arranged directional through holes and positioning columns, the directional through holes are provided with elastic components which are arranged in parallel with the positioning columns, the testing device 200 is provided with a plurality of corresponding directional channels, and the inner diameters of the directional channels are matched with the positioning columns;
the orientation column is arranged in the orientation through hole and extends,
the pushing device 100 pushes the testing device 200 to move towards the limiting device, and the directional column enters the directional channel and gradually overcomes the reverse acting force of the elastic component to the upper side of the testing device 200;
the pushing device 100 reversely releases the testing device 200, and the elastic piece abuts against the fixing piece to push the testing device 200 to the upper side of the pushing device 100, so that the testing device 200 and the bottle body structure are jointly released.
In an alternative embodiment, the pushing device 100 is a cylinder.
In an alternative embodiment, the top of the testing device 200 is provided with an annular sealing groove, and the top of the pushing device 100 is provided with a sealing ring, and the sealing ring and the sealing groove are used to form the third sealing ring.
In an alternative embodiment, the sealing component 210 is a rubber sealing ring, including a sealing ring at the bottom and a landing sealing ring shrinking obliquely upwards, and the top of the limiting device is provided with a groove with an arc-shaped or oblique structure for realizing extrusion sealing of the landing sealing ring and the outer side of the bottle body.
In an alternative embodiment, a detection system is also provided for installing multiple sets of fixed stop devices and means for retesting multiple sets of vials and test device 200.
In a working scenario, the first airtight testing device 300 is connected with the testing device 200 in the running water working environment of a single bottle body or a plurality of bottle bodies, so that the second airtight testing device 400 is connected to an opening structure of the bottle body in advance, or the second airtight testing device 400 can be connected with the bottle body in the pushing process;
when the bottle body reaches or is acquired to a designated position, the pushing device 100 is started to push the bottle body and the sealing assembly 210 to move towards the positioning piece 240 until the pushing device 100 finishes a set stroke or resistance, and the pushing is stopped; at this time, the sealing assembly 210, the sleeve member 230 and the positioning member 240 are mutually abutted to form the testing cavity 220, and the first airtight testing device obtains the air pressure change rate of the testing cavity 220 through the set sensor, so as to complete the testing result without water participation.
The utility model comprises two devices, one group of the devices is fixedly arranged and comprises a limiting device and an airtight device 400 for inflating the bottle body, the other group of the devices is of a floating property and comprises the bottle body, a testing device surrounding the outer side of the bottle body and a pushing device, the bottle body and the testing device are preassembled in the embodiment or are preassembled relative to the fixedly arranged limiting device, the bottle body is sleeved in the testing device, a sealing component is further arranged above the testing device, and the floating testing device, the bottle body and the sealing component are moved towards the limiting device by the pushing device so as to enable the sealing component to be extruded between the limiting device and the testing device, so that a first sealing ring is formed at the upper edge of the sealing component; and a second closed loop formed by closing the limiting device, the closing component and the testing device; and/or a third closed loop formed by closing the part below the testing device and in contact with the pushing device; so that the test chamber forms an enclosed space inside which is compact at the testing position of the bottle body, the bottle body is injected with gas through the airtight device 400, and the change of the air pressure of the test chamber is observed through the sensing device 300.
The device realizes an airtight test experimental device without bubbles, reduces the influence of moisture on other easily corroded bottles such as metal bottles and the like, is suitable for local bottle tests, particularly for bottom tests of the bottles, and can be properly improved based on the utility model when the middle or top of the bottle is tested, namely, the pushing device is further arranged to be sleeved on a pushing structure of the bottle, the upper limiting device is offset relative to the bottle, and the top test is carried out only by reversely placing the bottle, so that the device also belongs to the coverage range of the utility model; the bottle body is of a general finger structure, comprises, but is not limited to, a common gas bottle, a beverage bottle or an airtight test of a pipeline joint specified by extension, and belongs to an airtight test based on a certain local outer surface and structure in the bottle body.
While the present utility model has been described in considerable detail and with particularity with respect to several described embodiments, it is not intended to be limited to any such detail or embodiments or any particular embodiment, but is to be construed as providing broad interpretation of such claims by reference to the appended claims in view of the prior art so as to effectively encompass the intended scope of the utility model. Furthermore, the foregoing description of the utility model has been presented in its embodiments contemplated by the inventors for the purpose of providing a useful description, and for the purposes of providing a non-essential modification of the utility model that may not be presently contemplated, may represent an equivalent modification of the utility model.
The present utility model is not limited to the above embodiments, but is merely preferred embodiments of the present utility model, and the present utility model should be construed as being limited to the above embodiments as long as the technical effects of the present utility model are achieved by the same means. Various modifications and variations are possible in the technical solution and/or in the embodiments within the scope of the utility model.
Claims (9)
1. The sealing device for the airtight test is used for realizing the airtight test of a local structure on the outer surface of a bottle body and is characterized by comprising a pushing device (100) positioned on one side of the bottle body, a testing device (200) pushed to the position of the bottle body by the pushing device (100), and a sealing component (210) which is arranged on the testing device (200) in a nested manner and is wrapped with a Rao Ping body in an inner ring, wherein the sealing component (210) and the inside of the testing device (200) are used for forming a testing cavity (220), a sensing device (300) is arranged in the testing cavity (220), the bottle body is connected with an airtight device (400), and a limiting device which is fixed above the testing device (200) is also arranged;
the bottom of the bottle body penetrates through the testing cavity (220) and the inner ring of the sealing component (210), the inner ring of the sealing component (210) is sleeved with the bottle body, the testing device (200) is pushed to move towards the limiting device and extrude the inner ring so that the testing cavity (220) forms an internal sealing space,
the test chamber (220) is filled with gas through the airtight device (400), and the change of the air pressure of the test chamber (220) is observed through the sensing device (300) so as to form a closed chamber corresponding to the local structure of the bottle body.
2. A sealing device for airtight tests according to claim 1, characterized in that the limiting device and the testing device (200) are provided with directional channels, said limiting device being provided with directional columns, the directional columns and the directional channels being used for limiting the direction of the pushing stroke of the testing device (200).
3. A sealing device for airtight tests according to claim 1, characterized in that the testing device (200) is provided with a circumferential groove at the top for mounting the closure assembly (210) and a receiving through hole communicating below the circumferential groove for positioning the bottom structure of the bottle body so that the upper structure of the closure assembly (210) is in contact with the bottle body.
4. A sealing device for airtight tests according to claim 3, characterized in that the upper side of the sealing component (210) is provided with a fixing piece, the fixing piece is of an annular structure, a first fixing hole is arranged between the fixing piece and the testing device (200), the sealing component (210) is arranged between the fixing piece and the annular groove, and a directional channel is arranged between the fixing piece, the bottom of the annular groove and the testing device (200).
5. The sealing device for airtight testing according to claim 1, wherein the limiting device comprises a sleeve member (230) and a positioning member (240), the sleeve member (230) is of a cylindrical structure, the positioning member (240) is fixedly connected to one side of the sleeve member (230) close to the testing device (200), the positioning member (240) comprises a plurality of annularly arranged directional through holes and positioning columns, the directional through holes are provided with elastic components which are arranged in parallel with the positioning columns, the testing device (200) is provided with a plurality of corresponding directional channels, and the inner diameters of the directional channels are matched with the positioning columns;
the orientation column is arranged in the orientation through hole and extends,
the pushing device (100) pushes the testing device (200) to move towards the limiting device, and the directional column enters the directional channel and gradually overcomes the reverse acting force of the elastic component to the upper side of the testing device (200);
the pushing device (100) reversely releases the testing device (200), the elastic piece is abutted against the fixing piece, the testing device (200) is pushed to the upper side of the pushing device (100), and the testing device (200) and the bottle body structure are jointly released.
6. A sealing device for airtight tests according to claim 1, characterized in that the pushing means (100) are air cylinders.
7. The sealing device for airtight tests according to claim 1, characterized in that the top of the testing device (200) is provided with an annular closing groove, and the top of the pushing device (100) is provided with a sealing ring.
8. The sealing device for airtight tests according to claim 1, wherein the sealing assembly (210) is a rubber sealing ring, and comprises a sealing ring at the bottom and a landing sealing ring shrinking obliquely upwards, and the top of the limiting device is provided with a groove with an arc-shaped or oblique structure for realizing extrusion sealing of the landing sealing ring and the outer side of the bottle body.
9. The sealing device for airtight tests according to claim 1, characterized in that it is also provided with a detection system for installing a plurality of groups of fixed limiting devices and means for retesting a plurality of groups of bottles and test devices (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803398.3U CN220708656U (en) | 2023-07-11 | 2023-07-11 | Sealing device for airtight test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321803398.3U CN220708656U (en) | 2023-07-11 | 2023-07-11 | Sealing device for airtight test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220708656U true CN220708656U (en) | 2024-04-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321803398.3U Active CN220708656U (en) | 2023-07-11 | 2023-07-11 | Sealing device for airtight test |
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| Country | Link |
|---|---|
| CN (1) | CN220708656U (en) |
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2023
- 2023-07-11 CN CN202321803398.3U patent/CN220708656U/en active Active
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