CN211029749U - Automatic detection device for O-shaped ring - Google Patents
Automatic detection device for O-shaped ring Download PDFInfo
- Publication number
- CN211029749U CN211029749U CN201922122249.0U CN201922122249U CN211029749U CN 211029749 U CN211029749 U CN 211029749U CN 201922122249 U CN201922122249 U CN 201922122249U CN 211029749 U CN211029749 U CN 211029749U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- detection mechanism
- device body
- detection
- whole
- 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.)
- Expired - Fee Related
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 87
- 230000007246 mechanism Effects 0.000 claims abstract description 66
- 238000007789 sealing Methods 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 230000003434 inspiratory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Landscapes
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The utility model discloses an automatic detection device for O-shaped rings, which comprises a device body, a power line, a touch screen and a switch, wherein the bottom of the back surface of the device body is fixedly connected with the power line, the top of one side of the device body is embedded and connected with the touch screen, the bottom of the middle of one side of the device body is embedded and connected with the switch, the middle position of one side of the inner part of the device body is fixedly connected with a singlechip, the middle position of the other side of the inner part of the device body is fixedly connected with a detection mechanism, the detection mechanism is fixedly connected with the device body, the detection mechanism can detect the sealing property and the compressive strength of the O-shaped rings, the operation of an inflator pump is stopped through the touch screen, so that a check valve in an air inlet pipe can not transmit air in the detection mechanism, under the condition that the pressure, if the pressure value is kept unchanged, the sealing performance is good, and the accuracy of the detection data and the result of the O-shaped ring is effectively improved.
Description
Technical Field
The utility model relates to a detection device field specifically is an O type circle automatic checkout device.
Background
O-rings (also known as O-rings, O-rings) are annular mechanical gaskets that are annular elastomers, circular in cross-section, that are typically secured in a groove, and that are compressed by two or more components during assembly, thereby creating a sealed interface, because they are inexpensive, simple to manufacture, functionally reliable, and simple to install, O-rings are the most common mechanical design for seals that can withstand tens of pascals (thousand pounds) of pressure, and O-rings can be used in static applications, as well as in dynamic applications where there is relative motion between components, such as the shaft of a rotary pump and the piston of a hydraulic cylinder.
Present O type circle automatic checkout device is fixed unstable, and detection effect is poor, places O type circle and detects time measuring in the device, because of fixed unstable influence testing result, present O type circle automatic checkout device does not have corresponding test part moreover, and the data that detect are few, and each item index data of understanding O type circle that can not be comprehensive is qualified, and O type circle automatic checkout device is perfect inadequately, is difficult to satisfy modern society's demand.
Therefore, how to design an automatic detection device for an O-shaped ring becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an O type circle automatic checkout device to propose fixed unstability in solving above-mentioned background art, the poor problem of detection effect.
In order to achieve the above object, the utility model provides a following technical scheme: an automatic detection device for an O-shaped ring comprises a whole device body, a power line, a touch screen and a switch, wherein the bottom of the back of the whole device body is fixedly connected with the power line, the top of one side of the whole device body is connected with the touch screen in an embedded manner, the bottom of the middle of one side of the whole device body is connected with the switch in an embedded manner, a single chip microcomputer is fixedly connected to the middle of one side of the inside of the whole device body, a data converter is electrically connected to the other side of the top of the single chip microcomputer, an inflator pump is fixedly connected to the middle of the top of the inside of the whole device body, an air inlet pipe is fixedly connected to the other side of the top of the inside of the whole device body, a detection mechanism is fixedly connected to the middle of the other side of the inside of the, the device is fixed frame of holistic inside bottom opposite side fixedly connected with, the inside intermediate position fixedly connected with hydraulic jack of fixed frame, the inside top intermediate position embedding of detection mechanism is connected with pressure sensor, the top fixedly connected with top cap of detection mechanism, the bottom fixedly connected with bottom of detection mechanism, the inboard inner wall embedding fixedly connected with of fixed part presss from both sides tight spring post, the inboard fixedly connected with splint that press from both sides tight spring post, the inboard inner wall intermediate position fixedly connected with fixed block of fixed part, the inboard embedding of fixed block is connected with O type circle, the inboard embedding of O type circle is connected with the backup pad.
Preferably, the inner side of the splint is embedded and connected with anti-skid lines.
Preferably, the filter screen is connected to the inside top embedding of intake pipe.
Preferably, the top end of the power line is fixedly connected with a heat-resistant three-plug.
Preferably, the sponge supporting pads are fixedly connected to two sides of the bottom end of the whole device.
Preferably, the number of the detection mechanisms is one, the detection mechanisms are arranged in the middle of the other side of the whole device, and the detection mechanisms are fixedly connected with the whole device.
Preferably, the number of the fixing parts is one, the fixing parts are arranged in the middle of the detection mechanism, and the fixing parts are fixedly connected with the detection mechanism.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses an O type circle automatic checkout device, detection mechanism sets up at the holistic inside opposite side middle part of device, detection mechanism and the whole fixed connection of device, detection mechanism can detect the leakproofness and the compressive strength of O type circle, the operation of inflator pump is stopped through the touch screen, make the inside check valve of intake pipe let the inside air of detection mechanism can not transmit, under the condition that pressure keeps unchangeable, observe whether pressure sensor test data descends, if descend the leakproofness of O type circle poor, if pressure numerical value keeps unchangeable, then the leakproofness is good, the effectual accuracy nature that has improved O type circle test data and result.
The utility model discloses an O type circle automatic checkout device, the fixed part sets up the intermediate position at detection mechanism, fixed part and detection mechanism fixed connection, the fixed part can carry out the fixed that detects with the O type circle that needs detect, make O type circle can not take place the displacement when detecting and influence the testing result, fix top cap and bottom centre gripping through splint, under the support of clamp spring post to the splint, make O type circle when detecting, can not take place the displacement, the effectual practicality that improves the device and use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a cross-sectional view of the detecting mechanism of the present invention;
FIG. 3 is a cross-sectional view of a fixing member of the present invention;
fig. 4 is a diagram of the connection frame of the internal components of the present invention.
In the figure: 1. the device is integrated, and comprises a power line, 3, a touch screen, 4, a switch, 5, a sponge supporting pad, 6, a heat-resistant three-plug, 7, a single chip microcomputer, 8, an inflator pump (YD-3036), 9, a filter screen, 10, a load sensor (HZC-30A), 11, a detection mechanism, 12, a fixing ring, 13, a data converter, 14, a fixing part, 15, a fixing frame, 16, a hydraulic jack (JRCS-515T), 17, an air inlet pipe, 18, a pressure sensor (SJCY-GJ), 19, a top cover, 20, a bottom cover, 21, a clamping plate, 22, anti-skid patterns, 23, a clamping spring column, 24, a fixing block, 25, an O-shaped ring, 26 and a supporting plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In a first embodiment, please refer to fig. 1-4, the present invention provides a technical solution: an automatic detection device for an O-shaped ring comprises a device body 1, a power line 2, a touch screen 3 and a switch 4, wherein the bottom of the back of the device body 1 is fixedly connected with the power line 2, the top of one side of the device body 1 is connected with the touch screen 3 in an embedded manner, the bottom of the middle of one side of the device body 1 is connected with the switch 4 in an embedded manner, a single chip microcomputer 7 is fixedly connected with the middle position of one side in the device body 1, the other side of the top of the single chip microcomputer 7 is electrically connected with a data converter 13, the middle position of the top of the inside of the device body 1 is fixedly connected with an inflator pump 8, the other side of the inflator pump 8 is fixedly connected with an air inlet pipe 17, the other side of the top of the inside of the device body 1 is fixedly connected with a load sensor 10, the middle part of the other, the fixed frame 15 of inside bottom opposite side fixedly connected with of the whole 1 of device, the inside intermediate position fixedly connected with hydraulic jack 16 of fixed frame 15, the inside top intermediate position embedding of detection mechanism 11 is connected with pressure sensor 18, the top fixedly connected with top cap 19 of detection mechanism 11, the bottom fixedly connected with bottom 20 of detection mechanism 11, the inboard inner wall embedding fixedly connected with of fixed part 14 presss from both sides tight spring post 23, the inboard fixedly connected with splint 21 that presss from both sides tight spring post 23, the inboard inner wall intermediate position fixedly connected with fixed block 24 of fixed part 14, the inboard embedding of fixed block 24 is connected with O type circle 25, the inboard embedding of O type circle 25 is connected with backup pad 26.
Preferably, the anti-slip threads 22 are embedded and connected to the inner side of the clamping plate 21, when the fixing component 14 fixes the detection mechanism 11, the clamping plate 21 on the fixing component 14 can clamp and fix the top plate 19 and the bottom plate 20 on the detection mechanism 11, the anti-slip threads 21 are coarse contact surface threads, when the clamping plate 21 contacts the top plate 19 and the bottom plate 20 on the detection mechanism 11, the friction force between the top plate 19 and the bottom plate 20 on the detection mechanism 11 and the clamping plate 21 on the fixing component 14 can be increased, when the clamping plate 21 clamps the top plate 19 and the bottom plate 20 on the detection mechanism 11, the situation of slipping cannot occur, and the anti-slip performance of clamping by the clamping plate 21 is effectively improved.
Preferably, the inside top embedding of intake pipe 17 is connected with filter screen 9, when carrying out O type circle 25's characteristic test, need inflate detection mechanism 11 inside, detects O type circle 25's leakproofness, and filter screen 9 can filter the absorptive air of intake pipe 17 to reach and reduce the inside inspiratory impurity of intake pipe 17, avoid causing the inside jam of intake pipe 17, the effectual inside health and the clean and tidy nature of intake pipe 17 that has improved.
Preferably, the heat-resisting three plugs of top fixedly connected with 6 of power cord 2, when the operative installations, need be connected with the external circuit power through power cord 2, in long-time operative installations, power cord 2 can produce certain heat, and the time is of a specified duration later, can make the plug melt the damage, and heat-resisting three plugs 6 are the heat-resisting material that polymer elastomer made, can stand very high temperature, avoid the plug of device to melt the damage, the effectual integrality that improves the device and use.
Preferably, the whole 1 bottom both sides fixedly connected with sponge supporting pad 5 of device, when the device carries out the performance detection to O type circle 25, the certain power of shaking of internals function work can produce for can collide with the stationary contact face and produce the noise when the device is fixed, sponge supporting pad 5 can be made for soft sponge material, the power that sponge supporting pad 5 can rock the device is cushioned, the effectual stationarity that improves the device and fix.
Preferably, the detecting mechanism 11 is provided with one, the detecting mechanism 11 is arranged at the middle part of the other side in the device whole 1, the detecting mechanism 11 is fixedly connected with the device whole 1, the detecting mechanism 11 can detect the sealing performance and the compressive strength of the O-ring 25, when in detection, the circuit power supply is connected through the power cord 2, the switch 4 is turned on to connect the circuit, test data is debugged through the touch screen 3, the fixing part 14 for fixing the O-ring 25 is placed at the middle part of the detecting mechanism 11, the touch screen 3 is used for controlling, the hydraulic jack 16 is lifted, the bottom cover 20 is lifted along the fixing ring 12 to extrude the O-ring 25 in the fixing part 14, the value of the compressive strength of the O-ring 25 is detected through the load sensor 10, converted through the data converter 13 and transmitted to the display screen 3 through the singlechip 7 for display, meanwhile, the inflator pump 8 transmits external air to the inside of the detection mechanism 11 through the air inlet pipe 17, the pressure inside the detection mechanism 11 is increased, the pressure sensor 18 detects the pressure value inside the detection mechanism 11, the operation of the inflator pump 8 is stopped through the touch screen 3, the check valve inside the air inlet pipe 17 prevents the air inside the detection mechanism 11 from being transmitted, under the condition that the pressure is kept unchanged, whether the test data of the pressure sensor 18 is reduced or not is observed, if the sealing performance of the O-shaped ring 25 is reduced, if the pressure value is kept unchanged, the sealing performance is good, and the accuracy of the test data and the result of the O-shaped ring 25 is effectively improved.
Preferably, one fixing part 14 is arranged, the fixing part 14 is arranged at the middle position of the detection mechanism 11, the fixing part 14 is fixedly connected with the detection mechanism 11, the fixing part 14 can fix the O-shaped ring 25 to be detected, so that the O-shaped ring does not displace during detection to influence the detection result, before the O-shaped ring 25 is detected, the O-shaped ring 25 is placed on the inner side of the fixing block 24, the inner side of the O-shaped ring 25 is opened through the supporting plate 26, the middle of the supporting plate 26 is a hollow spring column, the detection result cannot be influenced, the fixing part is placed on the middle part of the detection mechanism 11, the top cover 19 and the bottom cover 20 are clamped and fixed through the clamping plate 21, under the support of clamping spring post 23 to splint 21 for O type circle 25 when detecting, can not take place the displacement, the effectual practicality that has improved the device and use.
The working principle is as follows: whether the filter screen 9 is blocked is firstly checked, the filter screen 9 is embedded and connected to the top of the inner portion of the air inlet pipe 17, when the characteristic test of the O-shaped ring 25 is carried out, the inner portion of the detection mechanism 11 needs to be inflated, the sealing performance of the O-shaped ring 25 is detected, and the filter screen 9 can filter air absorbed by the air inlet pipe 17, so that impurities absorbed by the inner portion of the air inlet pipe 17 are reduced, the blockage of the inner portion of the air inlet pipe 17 is avoided, and the sanitation and tidiness of the inner portion of the air inlet pipe;
then, the device is supported and fixed through the sponge supporting pad 5, the sponge supporting pads 5 are fixedly connected to two sides of the bottom end of the whole device 1, when the device detects the performance of the O-shaped ring 25, certain shaking force can be generated when internal components work, the device can collide with a fixed contact surface to generate noise when being fixed, the sponge supporting pad 5 can be made of soft sponge materials, the shaking force of the device can be buffered by the sponge supporting pad 5, and the fixing stability of the device is effectively improved;
then, the power cord 2 is connected with a circuit power supply of the device, the top end of the power cord 2 is fixedly connected with a heat-resistant three-plug 6, when the device is used, the power cord 2 is required to be connected with an external circuit power supply, when the device is used for a long time, the power cord 2 can generate certain heat, the plug can be melted and damaged after a long time, the heat-resistant three-plug 6 is made of heat-resistant materials made of high polymer synthetic rubber, the high temperature can be withstood, the plug of the device is prevented from being melted and damaged, and the use integrity of the device is effectively improved;
next, the O-ring 25 is fixed by the fixing component 14, the fixing component 14 is provided with one, the fixing component 14 is arranged at the middle position of the detection mechanism 11, the fixing component 14 is fixedly connected with the detection mechanism 11, the fixing component 14 can fix the O-ring 25 to be detected, so that the O-ring does not displace during detection, and the detection result is not affected, before the O-ring 25 is detected, the O-ring 25 is firstly placed at the inner side of the fixing block 24, then the inner side of the O-ring 25 is supported by the supporting plate 26, the middle of the supporting plate 26 is a hollow spring column, and the detection result is not affected, then the fixing component is placed at the middle part of the detection mechanism 11, the top cover 19 and the bottom cover 20 are clamped and fixed by the clamping plate 21, and under the support of the clamping spring column 23 to the clamping plate 21, the O-ring 25 does not displace during detection, the practicability of the device is effectively improved;
finally, the O-shaped ring 25 is detected by the detection mechanism 11, one detection mechanism 11 is arranged, the detection mechanism 11 is arranged at the middle part of the other side in the device body 1, the detection mechanism 11 is fixedly connected with the device body 1, the detection mechanism 11 can detect the sealing performance and the compressive strength of the O-shaped ring 25, when in detection, a circuit power supply is connected through a power cord 2, a switch 4 is opened to communicate the circuit, test data is debugged through the touch screen 3, a fixing part 14 for fixing the O-shaped ring 25 is arranged at the middle part of the detection mechanism 11, the hydraulic jack 16 is controlled through the touch screen 3 to ascend, so that the bottom cover 20 ascends along the fixing ring 12, the O-shaped ring 25 in the fixing part 14 is extruded, the value of the compressive strength of the O-shaped ring 25 is detected by the load sensor 10, is converted by the data converter 13 and is transmitted to the display screen 3 through the singlechip 7 for display, meanwhile, the inflator pump 8 transmits external air to the inside of the detection mechanism 11 through the air inlet pipe 17, the pressure inside the detection mechanism 11 is increased, the pressure sensor 18 detects the pressure value inside the detection mechanism 11, the operation of the inflator pump 8 is stopped through the touch screen 3, the check valve inside the air inlet pipe 17 prevents the air inside the detection mechanism 11 from being transmitted, under the condition that the pressure is kept unchanged, whether the test data of the pressure sensor 18 is reduced or not is observed, if the tightness of the O-shaped ring 25 is reduced, if the pressure value is kept unchanged, the tightness is good, the accuracy of the test data and the result of the O-shaped ring 25 is effectively improved, and the working principle of the automatic detection device for the O-shaped ring is the same.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an O type circle automatic checkout device, includes that the device is whole (1), power cord (2), touch screen (3) and switch (4), its characterized in that: the device is characterized in that a power line (2) is fixedly connected to the bottom of the back of the whole device (1), a touch screen (3) is connected to the top of one side of the whole device (1) in an embedded manner, a switch (4) is connected to the bottom of the middle of one side of the whole device (1), a single chip microcomputer (7) is fixedly connected to the middle of one side of the inside of the whole device (1), a data converter (13) is electrically connected to the other side of the top of the single chip microcomputer (7), an inflator pump (8) is fixedly connected to the middle of the top of the inside of the whole device (1), an air inlet pipe (17) is fixedly connected to the other side of the inflator pump (8), a load sensor (10) is fixedly connected to the other side of the top of the inside of the whole device (1), a detection mechanism (11) is fixedly connected to the middle of the, the key position fixedly connected with fixed part (14) of detection mechanism (11), the fixed frame (15) of the inside bottom opposite side fixedly connected with of the whole (1) of device, the inside intermediate position fixedly connected with hydraulic jack (16) of fixed frame (15), the inside top intermediate position embedding of detection mechanism (11) is connected with pressure sensor (18), the top fixedly connected with top cap (19) of detection mechanism (11), the bottom fixedly connected with bottom cap (20) of detection mechanism (11), the inboard inner wall embedding fixedly connected with clamping spring post (23) of fixed part (14), the inboard fixedly connected with splint (21) of clamping spring post (23), the inboard inner wall intermediate position fixedly connected with fixed block (24) of fixed part (14), the inboard embedding of fixed block (24) is connected with O type circle (25), and a support plate (26) is embedded and connected to the inner side of the O-shaped ring (25).
2. The automatic detection device for the O-ring according to claim 1, wherein: the inner side of the clamping plate (21) is embedded and connected with an anti-skid thread (22).
3. The automatic detection device for the O-ring according to claim 1, wherein: the inside top embedding of intake pipe (17) is connected with filter screen (9).
4. The automatic detection device for the O-ring according to claim 1, wherein: the top end of the power line (2) is fixedly connected with a heat-resistant three-plug (6).
5. The automatic detection device for the O-ring according to claim 1, wherein: sponge supporting pads (5) are fixedly connected to two sides of the bottom end of the device body (1).
6. The automatic detection device for the O-ring according to claim 1, wherein: the device is characterized in that one detection mechanism (11) is arranged, the detection mechanism (11) is arranged in the middle of the other side of the interior of the device body (1), and the detection mechanism (11) is fixedly connected with the device body (1).
7. The automatic detection device for the O-ring according to claim 1, wherein: the number of the fixed parts (14) is one, the fixed parts (14) are arranged in the middle of the detection mechanism (11), and the fixed parts (14) are fixedly connected with the detection mechanism (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122249.0U CN211029749U (en) | 2019-12-02 | 2019-12-02 | Automatic detection device for O-shaped ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922122249.0U CN211029749U (en) | 2019-12-02 | 2019-12-02 | Automatic detection device for O-shaped ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211029749U true CN211029749U (en) | 2020-07-17 |
Family
ID=71559378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922122249.0U Expired - Fee Related CN211029749U (en) | 2019-12-02 | 2019-12-02 | Automatic detection device for O-shaped ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211029749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362260A (en) * | 2020-11-04 | 2021-02-12 | 盐城乔胜机动车配件有限公司 | O type circle defect automatic checkout device |
-
2019
- 2019-12-02 CN CN201922122249.0U patent/CN211029749U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112362260A (en) * | 2020-11-04 | 2021-02-12 | 盐城乔胜机动车配件有限公司 | O type circle defect automatic checkout device |
| CN112362260B (en) * | 2020-11-04 | 2021-10-29 | 盐城乔胜机动车配件有限公司 | O type circle defect automatic checkout device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211029749U (en) | Automatic detection device for O-shaped ring | |
| CN109435593A (en) | A kind of tyre pressure sensor | |
| CN207502127U (en) | A kind of camshaft air-tightness and oilhole plug compressive property detection device | |
| CN210513587U (en) | Sealing performance detection equipment for insulating gloves | |
| CN107607301B (en) | Detection device and detection method for safety valve of storage battery | |
| JP2009180582A (en) | Device for detecting high-temperature leakage in sofc battery pack | |
| CN203422203U (en) | Air tightness detection apparatus for sealed bearing | |
| CN210375521U (en) | Pressure transmitter detection device for automatic control system | |
| CN201867289U (en) | Air tightness testing device of motor | |
| CN2395265Y (en) | Light touch screen computer gas seal property detector | |
| CN116907767A (en) | Valve gas tightness continuity check out test set based on electric automatization | |
| CN113466050B (en) | A hydrostatic test device for sensor housing | |
| CN211178864U (en) | Internal and external expansion plug device | |
| CN106802216B (en) | Elastic plugging of leak tester | |
| CN215952873U (en) | Sealing performance detection device | |
| CN215449558U (en) | Contact condition detection device for injection molding plug | |
| CN102445302A (en) | Pressure sensor | |
| CN209225357U (en) | A kind of inflation paddle board | |
| CN211291908U (en) | Waterproof function detection device for wearable product | |
| CN210375526U (en) | High-precision pressure gauge calibrating device | |
| CN208140476U (en) | A kind of multifunctional stretching sample for testing machine extensometer fixture | |
| CN220288903U (en) | Air leakage detection device of pneumatic equipment | |
| CN220339596U (en) | Airtight detection device of circuit connector | |
| CN212211701U (en) | Geological disaster monitoring and early warning terminal protection cover mounting structure | |
| CN209559412U (en) | A kind of automatic lifting sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200717 Termination date: 20201202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |