CN220960464U - Circular connector gas tightness test fixture - Google Patents
Circular connector gas tightness test fixture Download PDFInfo
- Publication number
- CN220960464U CN220960464U CN202323121664.7U CN202323121664U CN220960464U CN 220960464 U CN220960464 U CN 220960464U CN 202323121664 U CN202323121664 U CN 202323121664U CN 220960464 U CN220960464 U CN 220960464U
- Authority
- CN
- China
- Prior art keywords
- base
- pressing plate
- limiting
- hole
- circular connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 37
- 238000009434 installation Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 125000003003 spiro group Chemical group 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000013011 mating Effects 0.000 description 9
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a circular connector air tightness test fixture which comprises a base, a pressing plate and a limiting part, wherein the base is provided with a plurality of grooves; the base is provided with a cavity, an air inlet communicated with the cavity and a plurality of detection ports, and the detection ports are positioned on the same side of the base and used for communicating an inner cavity of an object to be detected; the pressing plate and the detection port are positioned on the same side of the base and are spaced from the base to form a pressing gap for placing an object to be detected, and the pressing plate is provided with a movable stroke close to and far away from the base and is used for pressing the object to be detected against the base when the pressing plate is positioned at a position close to the base; the limiting part is arranged between the base and the pressing plate and is used for limiting the pressing plate to a position close to the base. In this scheme, can carry out the gas tightness to a plurality of connectors that await measuring simultaneously and detect efficiently to press the connector that awaits measuring on the base through the clamp plate, guarantee to await measuring the connector and the detection mouth effective connection that corresponds, and simple structure, the cost is lower.
Description
Technical Field
The utility model relates to the technical field of connector air tightness testing equipment, in particular to an air tightness testing tool for a circular connector.
Background
The connector is used for circuit connection between two active devices, transmits current and signals, and is widely applied to the fields of automobiles, communication, internet of things and the like. Depending on the environment in which the connector is used, some connectors are required to have good air tightness, and thus have important significance for air tightness testing of the connector.
For example, patent CN 218566818U discloses an automobile connector air tightness detection tool, when detecting a connector, the connector to be detected is inserted into a connection port at the upper end of a detection platform, if the air tightness of the connector is good, the pressure sensor connected with the air collection chamber can detect the air pressure which is the same as the air inlet pressure, if the air tightness is bad, the air collection chamber can generate air leakage, and at the moment, the air pressure detected by the pressure sensor can be smaller than the air inlet pressure.
In this patent, since the pressure in the gas collection chamber is detected by the pressure sensor connected to the gas collection chamber to judge the air tightness of the connector, the connector can only be detected one by the measuring tool, and the detection efficiency is not high.
Disclosure of utility model
In view of the above, it is necessary to provide a tool for testing the air tightness of a circular connector, which is used for solving the technical problems that the tool in the prior art can only detect connectors one by one and the detection efficiency is low.
The utility model provides a circular connector air tightness test fixture, which comprises:
the base is provided with a cavity, an air inlet and a plurality of detection ports, wherein the air inlet is communicated with the cavity, and the detection ports are positioned on the same side of the base and are used for communicating an inner cavity of an object to be detected;
The pressing plate is positioned on the same side of the base as the detection port and is spaced from the base to form a pressing gap for placing an object to be detected, and the pressing plate is provided with a movable stroke close to and far away from the base and is used for pressing the object to be detected against the base when the pressing plate is positioned at a position close to the base; the method comprises the steps of,
And the limiting part is arranged between the base and the pressing plate and is used for limiting the pressing plate to a position close to the base.
Optionally, the clamp plate is equipped with the mating hole, the mating hole runs through the clamp plate, spacing portion includes:
one end of the connecting rod is rotationally connected with the base, and the other end of the connecting rod extends into the matching hole; and
And one end of the limiting handle is provided with a limiting cam, the limiting cam is rotationally connected to one end of the connecting rod, which extends out of the matching hole, and the limiting handle is provided with a pressing position and a releasing position which are positioned on a rotating stroke, so that the limiting handle is abutted to the pressing plate when being pressed to the pressing position, the pressing plate is limited to be far away from the base, and the limiting handle is separated from the pressing plate when being released from the releasing position, so that the pressing plate can be far away from the base.
Optionally, the connecting rod comprises a main body rod and an adjusting rod, one end of the main body rod is rotatably connected to the base, an adjusting screw hole is formed along the axial direction of the main body rod, an external thread is formed on the outer wall of the adjusting rod, the adjusting rod is screwed in the adjusting screw hole, so that the length of the main body rod is adjustable, and one end of the adjusting rod, far away from the main body rod, extends into the matching hole;
the limit cam is rotationally connected to one end of the adjusting rod, which is far away from the main body rod.
Optionally, each of the mating holes is disposed away from one end of the other mating hole so that the adjusting lever can be disengaged from the opening of the mating hole.
Optionally, a plurality of the matching holes are arranged at intervals, a plurality of the limiting parts are arranged at intervals corresponding to the matching holes, and the limiting parts are in one-to-one correspondence with the matching holes; and/or the number of the groups of groups,
The limiting part further comprises a limiting soft cushion, and the limiting soft cushion is sleeved on the connecting rod and located between the limiting cam and the pressing plate.
Optionally, the pressing plate is provided with a guide hole, and the guide hole penetrates through the pressing plate;
The base is convexly provided with a guide rod towards the pressing plate, and the guide rod stretches into the guide hole.
Optionally, the guiding hole interval is equipped with a plurality ofly, the guide bar corresponds the guiding hole is equipped with a plurality ofly, a plurality of the guide bar with a plurality of the guiding hole one-to-one.
Optionally, the pressing plate is provided with a plurality of avoidance ports corresponding to the plurality of detection ports.
Optionally, the base includes pedestal and apron, the pedestal with the apron can dismantle the connection, the cavity form in the pedestal with between the apron, the air inlet is located the pedestal, a plurality of the detection mouth is located the apron.
Optionally, the base body is provided with a fixing screw hole, and the cover plate is provided with an assembly hole corresponding to the fixing screw hole;
The circular connector air tightness testing tool further comprises a fixing bolt, one end of the fixing bolt is connected with the fixing screw hole in a threaded mode through the assembling hole, and the cover plate is detachably connected with the base body.
Optionally, the circular connector air tightness test tool further comprises two groups of rubber gaskets, wherein the two rubber gaskets are used for being placed at two ends of an object to be tested; and/or the number of the groups of groups,
The circumference side interval of each detection mouth is equipped with a plurality of installation screw, circular connector gas tightness test fixture still includes a plurality of mounting bolts, the mounting bolt is used for the spiro union in locate the through-hole of awaiting measuring the thing with the installation screw.
Compared with the prior art, when the circular connector air tightness testing tool provided by the utility model is used for detecting, a plurality of objects to be detected (connectors to be detected) are in one-to-one correspondence with a plurality of detection ports, and the connectors to be detected are arranged in a pressing gap between the base and the pressing plate, so that each connector to be detected is communicated with a cavity of the base; then, the pressing plate is driven to move close to the base so as to press the connectors to be tested against the base, so that each connector to be tested is effectively communicated with the corresponding detection port; and then inputting gas with certain pressure into the cavity through the gas inlet, and placing the circular connector gas tightness test tool pressed against the connectors to be tested in water to observe whether bubbles emerge at the positions of the connectors to be tested, wherein the connectors to be tested with bubbles emerge are poor in gas tightness, and the connectors to be tested without bubbles emerge are good in gas tightness. So, can carry out the gas tightness to a plurality of connectors that await measuring simultaneously and detect efficiently to press the connector that awaits measuring on the base through the clamp plate, guarantee to await measuring the connector and the detection mouth effective connection that corresponds, and simple structure, the cost is lower.
The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and its details set forth in the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:
FIG. 1 is a schematic structural diagram of an embodiment of a tool for testing tightness of a circular connector according to the present utility model;
FIG. 2 is an exploded view of the circular connector air tightness test fixture of FIG. 1;
FIG. 3 is a schematic view of the structure of the base in FIG. 2;
FIG. 4 is a schematic view of the cover plate in FIG. 2;
Fig. 5 is a schematic structural view of the platen of fig. 2.
Reference numerals illustrate:
100. Circular connector gas tightness test fixture; 1. a base; 1a, cavity; 1b, an air inlet; 1c, a detection port; 1d, installing screw holes; 11. a guide rod; 12. a base; 12a, fixing screw holes; 13. a cover plate; 13a, assembly holes; 2. a pressing plate; 2a, pressing the gap; 2b, a mating hole; 2c, a guide hole; 2d, avoiding openings; 3. a limit part; 31. a connecting rod; 311. a main body lever; 312. an adjusting rod; 32. a limit handle; 33. a limit cam; 34. and a limiting soft cushion.
Detailed Description
The following detailed description of preferred embodiments of the utility model is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the utility model, are used to explain the principles of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, the circular connector air tightness testing tool 100 includes a base 1, a pressing plate 2 and a limiting portion 3; the base 1 is provided with a cavity 1a, an air inlet 1b communicated with the cavity 1a and a plurality of detection ports 1c, wherein the detection ports 1c are positioned on the same side of the base 1 and are used for communicating with the inner cavity of the object to be detected; the pressing plate 2 and the detection port 1c are positioned on the same side of the base 1 and are spaced from the base 1 to form a pressing gap 2a for placing an object to be detected, and the pressing plate 2 has a movable stroke close to and far away from the base 1 and is used for pressing the object to be detected against the base 1 when being positioned close to the base 1; the limiting part 3 is arranged between the base 1 and the pressing plate 2 and is used for limiting the pressing plate 2 to a position close to the base 1.
When the circular connector air tightness testing tool 100 provided by the utility model is used for detection, a plurality of objects to be detected (connectors to be detected) are in one-to-one correspondence with a plurality of detection ports 1c, and the connectors to be detected are arranged in a pressing gap 2a between a base 1 and a pressing plate 2, so that each connector to be detected is communicated with a cavity 1a of the base 1; then, the pressing plate 2 is driven to move close to the base 1 so as to press a plurality of connectors to be tested against the base 1, so that each connector to be tested is effectively communicated with the corresponding detection port 1 c; and then gas with certain pressure is input into the cavity 1a through the air inlet 1b, and then the circular connector air tightness test tool 100 pressed against the connectors to be tested is placed in water, so that whether air bubbles emerge at the positions of the connectors to be tested or not is observed, the air tightness of the connectors to be tested with the air bubbles emerging is poor, and the air tightness of the connectors to be tested without the air bubbles emerging is good. So, can carry out the gas tightness to a plurality of connectors that await measuring simultaneously and detect efficiently to press the connector that awaits measuring on base 1 through clamp plate 2, guarantee to await measuring the connector and the detection mouth 1c effective connection that corresponds, and simple structure, the cost is lower. Specifically, in this scheme, the detection ports 1c are provided with nine to enable the air tightness detection of nine connectors to be detected at the same time.
Further, the pressing plate 2 is provided with a matching hole 2b, the matching hole 2b penetrates through the pressing plate 2, and the limiting part 3 comprises a connecting rod 31 and a limiting handle 32; one end of the connecting rod 31 is rotatably connected to the base 1, and the other end extends into the matching hole 2b; the limit handle 32 one end is equipped with limit cam 33, and limit cam 33 rotates to be connected in connecting rod 31 stretches out mating hole 2b one end to have and be located the pressure of rotation stroke and support the position and release limit position, in order to support in clamp plate 2 when pressing the position, in order to restrict clamp plate 2 and keep away from base 1, and break away from clamp plate 2 when releasing limit position, make clamp plate 2 can keep away from base 1. In this embodiment, the limit handle 32 is rotated to drive the limit cam 33 to rotate, so that the limit cam 33 is switched between the pressing position and the releasing position, and the pressing plate 2 can be stably positioned at the position of pressing the connector to be tested, so that the structure is simple and reliable, and the operation is convenient.
Further, the connecting rod 31 comprises a main body rod 311 and an adjusting rod 312, wherein one end of the main body rod 311 is rotatably connected to the base 1, an adjusting screw hole is arranged along the axial direction of the main body rod 311, an external thread is arranged on the outer wall of the adjusting rod 312, and the adjusting rod is screwed in the adjusting screw hole, so that the length of the main body rod 311 is adjustable, and one end of the adjusting rod 312 far away from the main body rod 311 extends into the matching hole 2b; the limit cam 33 is rotatably connected to an end of the adjustment lever 312 remote from the main body lever 311. In this way, the adjusting rod 312 can be changed to extend into the adjusting screw hole to adjust the overall length of the connecting rod 31, so that the height of the pressing gap 2a can be flexibly adjusted to be suitable for connectors to be tested with different heights, and the practicability is improved.
Specifically, one end of each fitting hole 2b, which is distant from the other fitting hole 2b, is opened so that the adjustment lever 312 can be disengaged from the opening of the fitting hole 2 b. In this embodiment, when the connector to be tested is disassembled, the limit handle 32 can be rotated first to rotate the limit cam 33 from the pressing position to the releasing position, then the adjusting rod 312 is moved out from the open end of the mating hole 2b, and then the pressing plate 2 is moved in a direction away from the base 1, so that the operation is relatively convenient. In addition, to ensure that the limit cam 33 can stably press against the pressing plate 2, in this embodiment, the limit portion 3 further includes a limit cushion 34, and the limit cushion 34 is sleeved on the connecting rod 31 and is located between the limit cam 33 and the pressing plate 2.
Further, a plurality of matching holes 2b are arranged at intervals, a plurality of limiting parts 3 are arranged at intervals corresponding to the matching holes 2b, and the plurality of limiting parts 3 are in one-to-one correspondence with the plurality of matching holes 2 b. Specifically, in the present embodiment, two mating holes 2b are provided, and correspondingly, two limiting portions 3 are provided, so as to improve the stability of pressing the pressing plate 2 against the connector to be tested.
Further, the pressing plate 2 is provided with a guide hole 2c, and the guide hole 2c penetrates through the pressing plate 2; the base 1 is convexly provided with a guide rod 11 towards the pressing plate 2, and the guide rod 11 extends into the guide hole 2 c. So, when clamp plate 2 moves along being close to and keep away from the direction of base 1, can be through guiding hole 2c and guide bar 11 direction to guarantee that clamp plate 2 presses fast and supports on the connector that awaits measuring, improve assembly efficiency. Specifically, in the present embodiment, there are two guide holes 2c, and correspondingly, there are two guide bars 11. In addition, in this scheme, the clamp plate 2 is equipped with a plurality of mouths 2d of dodging corresponding to a plurality of detection mouths 1c to the gas leakage position is observed to the operating personnel.
Further, the base 1 includes a base 12 and a cover 13, the base 12 is detachably connected to the cover 13, the cavity 1a is formed between the base 12 and the cover 13, the air inlet 1b is disposed on the base 12, and the plurality of detection ports 1c are disposed on the cover 13. In this embodiment, the cover plate 13 is detachably connected with the base 12, so that an operator can clean the detection port 1c, the air inlet 1b and the cavity 1a periodically, and convenience is improved.
Further, the base 12 is provided with a fixing screw hole 12a, and the cover 13 is provided with an assembly hole 13a corresponding to the fixing screw hole 12 a; the circular connector air tightness testing tool 100 further comprises a fixing bolt (not shown), wherein one end of the fixing bolt is screwed to the fixing screw hole 12a from the assembly hole 13a, so that the cover plate 13 is detachably connected with the base body 12. In this scheme, through the cooperation of fixing bolt, mounting hole 13a and fixed screw 12a for apron 13 can dismantle with base 1 and be connected, simple structure is reliable.
Further, the circular connector air tightness testing tool 100 further includes two sets of rubber gaskets, and the two sets of rubber gaskets are disposed at two ends of the object to be tested. In this embodiment, when detecting the connector to be tested, a rubber gasket is respectively placed at two ends of the connection to be tested, that is, the end faces of the connector to be tested, which are abutted against the base 1 and the pressing plate 2, are respectively placed with a rubber gasket, so as to complete sealing and compensate for the loss caused by the clamping size of the product.
Further, a plurality of mounting screw holes 1d are formed in the periphery of each detection port 1c at intervals, and the circular connector air tightness testing tool 100 further comprises a plurality of mounting bolts, wherein the mounting bolts are used for being screwed into the through holes and the mounting screw holes 1d formed in the object to be tested. In this embodiment, the connector to be tested can be fastened at the detection port 1c corresponding to the base 1 through the cooperation of the mounting bolt, the through hole and the mounting screw hole 1d, so as to be applicable to connectors of different types, and improve practicality.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model.
Claims (10)
1. Circular connector gas tightness test fixture, its characterized in that, it includes:
the base is provided with a cavity, an air inlet and a plurality of detection ports, wherein the air inlet is communicated with the cavity, and the detection ports are positioned on the same side of the base and are used for communicating an inner cavity of an object to be detected;
The pressing plate is positioned on the same side of the base as the detection port and is spaced from the base to form a pressing gap for placing an object to be detected, and the pressing plate is provided with a movable stroke close to and far away from the base and is used for pressing the object to be detected against the base when the pressing plate is positioned at a position close to the base; the method comprises the steps of,
And the limiting part is arranged between the base and the pressing plate and is used for limiting the pressing plate to a position close to the base.
2. The circular connector air tightness test fixture according to claim 1, wherein the pressing plate is provided with a fitting hole penetrating through the pressing plate, and the limiting portion comprises:
one end of the connecting rod is rotationally connected with the base, and the other end of the connecting rod extends into the matching hole; and
And one end of the limiting handle is provided with a limiting cam, the limiting cam is rotationally connected to one end of the connecting rod, which extends out of the matching hole, and the limiting handle is provided with a pressing position and a releasing position which are positioned on a rotating stroke, so that the limiting handle is abutted to the pressing plate when being pressed to the pressing position, the pressing plate is limited to be far away from the base, and the limiting handle is separated from the pressing plate when being released from the releasing position, so that the pressing plate can be far away from the base.
3. The circular connector air tightness test fixture according to claim 2, wherein the connecting rod comprises a main body rod and an adjusting rod, one end of the main body rod is rotatably connected to the base, an adjusting screw hole is formed along the axial direction of the main body rod, an external thread is formed on the outer wall of the adjusting rod, the adjusting rod is screwed in the adjusting screw hole, the length of the main body rod is adjustable, and one end of the adjusting rod, far away from the main body rod, extends into the matching hole;
the limit cam is rotationally connected to one end of the adjusting rod, which is far away from the main body rod.
4. A circular connector air tightness testing tool according to claim 3, wherein each of the fitting holes is provided with an opening at an end thereof remote from the other fitting hole, so that the adjusting lever can be disengaged from the opening of the fitting hole.
5. The circular connector air tightness test fixture according to claim 2, wherein a plurality of the matching holes are arranged at intervals, a plurality of the limiting parts are arranged at intervals corresponding to the matching holes, and the limiting parts are in one-to-one correspondence with the matching holes; and/or the number of the groups of groups,
The limiting part further comprises a limiting soft cushion, and the limiting soft cushion is sleeved on the connecting rod and located between the limiting cam and the pressing plate.
6. The circular connector air tightness test fixture according to claim 1, wherein the pressing plate is provided with a guide hole, and the guide hole penetrates through the pressing plate;
The base is convexly provided with a guide rod towards the pressing plate, and the guide rod stretches into the guide hole.
7. The circular connector air tightness test fixture according to claim 1, wherein the pressing plate is provided with a plurality of avoiding openings corresponding to the plurality of detecting openings.
8. The tool for testing the air tightness of the circular connector according to claim 1, wherein the base comprises a base body and a cover plate, the base body is detachably connected with the cover plate, the cavity is formed between the base body and the cover plate, the air inlet is formed in the base body, and the plurality of detection ports are formed in the cover plate.
9. The circular connector air tightness test fixture according to claim 8, wherein the seat body is provided with a fixed screw hole, and the cover plate is provided with an assembly hole corresponding to the fixed screw hole;
The circular connector air tightness testing tool further comprises a fixing bolt, one end of the fixing bolt is connected with the fixing screw hole in a threaded mode through the assembling hole, and the cover plate is detachably connected with the base body.
10. The circular connector air tightness test fixture according to claim 1, further comprising two sets of rubber gaskets, two of the rubber gaskets being disposed at two ends of an object to be tested; and/or the number of the groups of groups,
The circumference side interval of each detection mouth is equipped with a plurality of installation screw, circular connector gas tightness test fixture still includes a plurality of mounting bolts, the mounting bolt is used for the spiro union in locate the through-hole of awaiting measuring the thing with the installation screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323121664.7U CN220960464U (en) | 2023-11-16 | 2023-11-16 | Circular connector gas tightness test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323121664.7U CN220960464U (en) | 2023-11-16 | 2023-11-16 | Circular connector gas tightness test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220960464U true CN220960464U (en) | 2024-05-14 |
Family
ID=90976948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323121664.7U Active CN220960464U (en) | 2023-11-16 | 2023-11-16 | Circular connector gas tightness test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220960464U (en) |
-
2023
- 2023-11-16 CN CN202323121664.7U patent/CN220960464U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203848984U (en) | Engine air cylinder cover air tightness detecting device | |
| CN220960464U (en) | Circular connector gas tightness test fixture | |
| CN203162142U (en) | Hole sealing tool for leakage detection | |
| CN112858021B (en) | Pressure test device and method for threaded container at mouth | |
| CN115752839A (en) | Motor torque measuring system and measuring method | |
| CN114894404A (en) | Tool and method for quickly detecting air tightness of high-voltage cable accessory | |
| CN114593878A (en) | Air tightness testing device | |
| CN110398318B (en) | PE steel-plastic straight pipe air tightness testing machine | |
| CN114965220A (en) | Multistation filter detection device | |
| CN109708680B (en) | Inspection device capable of simultaneously detecting multiple instruments | |
| CN214334610U (en) | Concrete impermeability detection device | |
| CN214149729U (en) | Jar internal portion atmospheric pressure detection device | |
| CN219608365U (en) | Ceramic product vacuum leakage detection device | |
| CN214743288U (en) | Intelligent sealing device of gas tightness checking fixture | |
| CN217520661U (en) | Water channel and cavity airtightness testing mechanism | |
| CN217540098U (en) | Quick plugging device is used to water supply engineering | |
| CN113776749B (en) | Phase-change type cooling heat exchanger pressure measuring equipment | |
| CN219570843U (en) | Multi-cavity flexible holding clamp sealing device | |
| CN214334166U (en) | Flexible leakage test tool | |
| CN218895900U (en) | External pressure type airtight detection device for airtight assembly | |
| CN219413884U (en) | Air inlet mechanical structure for airtight inspection instrument | |
| CN214748700U (en) | Pressure measuring sealing device for dialyzer | |
| CN113447200A (en) | Tool for pressure test of pressure transmitter | |
| CN220288901U (en) | Leakage-proof test equipment for polar plate and membrane electrode of hydrogen fuel cell | |
| CN220187927U (en) | Leakage testing device suitable for transmission clutch assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |