CN110702318B - Portable vehicle-mounted air conditioner air tightness detection device - Google Patents
Portable vehicle-mounted air conditioner air tightness detection device Download PDFInfo
- Publication number
- CN110702318B CN110702318B CN201911106233.9A CN201911106233A CN110702318B CN 110702318 B CN110702318 B CN 110702318B CN 201911106233 A CN201911106233 A CN 201911106233A CN 110702318 B CN110702318 B CN 110702318B
- Authority
- CN
- China
- Prior art keywords
- air inlet
- shell
- air
- rod
- mounting plate
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000002955 isolation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 description 6
- 238000004378 air conditioning Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a portable vehicle-mounted air conditioner air tightness detection device which comprises a mounting plate, an adjusting handle movably mounted on the mounting plate, a connecting cylinder fixedly mounted on the mounting plate, an air inlet rod connected with the adjusting handle, a first air inlet channel arranged on the air inlet rod, a first expansion assembly connected with the connecting cylinder, and a second expansion assembly connected with the air inlet rod. The distance between the detection ends at two sides of the device provided by the invention can be adjusted, and the volume is smaller, so that the device can be suitable for detecting vehicle-mounted air conditioners with various sizes and models, and can also flexibly detect the air tightness in a vehicle-mounted environment.
Description
Technical Field
The invention relates to the technical field of vehicle-mounted air conditioner detection equipment, in particular to a portable vehicle-mounted air conditioner air tightness detection device.
Background
An automobile air conditioning system is one of vehicle-mounted important systems and is an indispensable configuration on modern automobiles. The vehicle-mounted air conditioning system is required to detect the air tightness before and after installation (mainly detecting the vehicle-mounted air conditioner), so that the internal independence of the vehicle-mounted air conditioning system is ensured, and the normal operation of the vehicle-mounted air conditioning system in a vehicle-mounted environment is ensured.
Before installation, the air conditioner can be detected by a general air tightness detection tool, and the air conditioner cannot adapt to the distance change between the air conditioner and the detection tool due to the fact that the air inlet pipe and the air outlet pipe of the air conditioner are often fixed in distance and are in butt joint with the detection tool.
After installation, a general gauge cannot be flexibly operated in a vehicle-mounted environment because the gauge is not portable.
In view of the above, it is desirable to provide a novel vehicle-mounted air conditioner air tightness gauge.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides a portable vehicle-mounted air conditioner air tightness detection device, and solves the problems that the detection tool in the prior art cannot adapt to vehicle-mounted air conditioners of different models and sizes, and cannot be flexibly operated in a vehicle-mounted environment because of no portability.
The invention is realized by the following technical scheme:
The utility model provides a portable on-vehicle air conditioner gas tightness detection device, includes mounting panel, movable mounting adjustment handle on the mounting panel to and fixed mounting connecting cylinder on the mounting panel, adjustment handle is connected with the admission pole, is provided with first inlet channel on the admission pole, still includes the first tight subassembly that expands of being connected with the connecting cylinder, and still includes the second tight subassembly that expands of being connected with the admission pole.
In the technical scheme, the first expansion assembly and the second expansion assembly are respectively used for connecting the air inlet end and the air outlet end of the vehicle-mounted air conditioner, the adjusting handle is connected with the air inlet rod and can be movably adjusted on the mounting plate, and further the distance between the first expansion assembly and the second expansion assembly of the device is adjusted, so that the device can adapt to vehicle-mounted air conditioners with more models and sizes; furthermore, the device has smaller volume and can be flexibly adapted to the vehicle-mounted environment.
Further, the first expansion assembly comprises a first air inlet nozzle fixedly mounted on the mounting plate, the first air inlet nozzle is communicated with the connecting cylinder, the first expansion assembly further comprises a first shell for the connecting cylinder to be far away from the embedding of one end of the mounting plate, the connecting rod further comprises a connecting rod with one end inserted into the first shell and the mounting cylinder in sequence, a second shell is arranged outside the connecting rod, and the first expansion ring is further arranged on the connecting rod.
Further, the second expansion assembly comprises a third shell connected with one end of the air inlet rod far away from the mounting plate, and further comprises a fourth shell with one end embedded into the third shell, a second expansion ring is arranged in the fourth shell, an isolation cylinder which is closer to the third shell than the second expansion ring is further arranged in the fourth shell, and the second expansion assembly further comprises a second air inlet channel which is arranged on the air inlet rod and is communicated with a third air inlet channel which is arranged on the third shell, and the third air inlet channel is communicated with a gap between the isolation cylinder and the fourth shell.
Further, the device also comprises a connecting ring which is arranged in the third shell and one end of which is embedded into the isolation cylinder, and the first air inlet channel penetrates through the third shell to be communicated with the connecting ring and the isolation cylinder in sequence.
Further, a buffer ring is provided on the outer periphery of the connection ring between the third housing and the isolation cylinder.
Further, the device also comprises a second air inlet nozzle and a third air inlet nozzle which are arranged on the air inlet rod and respectively communicated with the first air inlet channel and the second air inlet channel.
Further, the adjusting handle and the air inlet rod are arranged on two sides of the mounting plate respectively, and the air inlet rod and the connecting cylinder are located on the same side of the mounting plate.
Further, the first air inlet nozzle and the connecting cylinder are arranged on two sides of the mounting plate in a separated mode.
Compared with the prior art, the invention has the following advantages:
The distance between the detection ends at two sides of the device can be adjusted, and the volume is smaller, so that the device can be suitable for detecting vehicle-mounted air conditioners with various sizes and models, and can also flexibly detect the air tightness in a vehicle-mounted environment;
The device realizes the sealing connection with the air inlet end and the air outlet end of the vehicle-mounted air conditioner through air pressure, and avoids inaccurate detection caused by leakage at the connection part in the detection process;
the structure layout between each air passage and the air inlet end of the device is reasonable, so that the device can conveniently realize the air tightness detection of the vehicle-mounted air conditioner.
Drawings
Fig. 1 is a schematic view of an external structure of an embodiment of the present invention.
Fig. 2 is a schematic side view of an embodiment of the present invention.
Fig. 3 is a cross-sectional view taken along the direction A-A in fig. 2 of an embodiment of the present invention.
Fig. 4 is an enlarged schematic view of the structure of fig. 3a according to an embodiment of the present invention.
In the figure: the mounting plate 1, the adjusting handle 2, the mounting hole 3, the connecting cylinder 4, the air inlet rod 5, the first air inlet channel 6, the first air inlet nozzle 7, the first shell 8, the connecting rod 9, the second shell 10, the first expansion ring 11, the third shell 12, the fourth shell 13, the second expansion ring 14, the isolating cylinder 15, the second air inlet channel 16, the third air inlet channel 17, the second air inlet nozzle 18, the connecting ring 19, the third air inlet nozzle 20, the buffer ring 21, the first connecting pipe 22 and the second connecting pipe 23.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, a portable vehicle-mounted air conditioner air tightness detection device comprises a mounting plate 1, an adjusting handle 2 movably mounted on the mounting plate 1, wherein the mounting plate 1 is provided with a mounting hole 3, the adjusting handle 2 slides in the mounting hole 3, and a connecting cylinder 4 fixedly mounted on the mounting plate 1, the adjusting handle 2 is connected with an air inlet rod 5, a first air inlet channel 6 for accessing a detection air source into a vehicle-mounted air conditioner is arranged on the air inlet rod 5, the portable vehicle-mounted air conditioner air tightness detection device further comprises a first expansion component connected with the connecting cylinder 4, the first expansion component is used for realizing communication between the device and an air inlet pipe of the vehicle-mounted air conditioner and sealing, and the portable vehicle-mounted air conditioner air tightness detection device further comprises a second expansion component connected with the air inlet rod 5, and the second expansion component is used for realizing communication between the device and an air outlet pipe of the vehicle-mounted air conditioner and sealing.
In the above embodiment, the first expansion assembly and the second expansion assembly are respectively used for connecting the air inlet end and the air outlet end of the vehicle-mounted air conditioner, the adjusting handle 2 is connected with the air inlet rod 5, and the adjusting handle can be movably adjusted on the mounting plate 1, so that the distance between the first expansion assembly and the second expansion assembly of the device can be adjusted, and the device can adapt to vehicle-mounted air conditioners with more models and sizes; more preferably, the device has smaller volume and can be flexibly adapted to the vehicle-mounted environment.
Preferably, the first expansion assembly comprises a first air inlet nozzle 7 fixedly installed on the mounting plate 1, the first air inlet nozzle 7 is communicated with the connecting cylinder 4, the first expansion assembly further comprises a first shell 8, the connecting cylinder 4 is far away from one end of the mounting plate 1 and is embedded, the first expansion assembly further comprises a connecting rod 9, one end of the connecting rod 9 is sequentially inserted into the first shell 8 and the mounting cylinder, a second shell 10 is arranged outside the connecting rod 9, the first expansion ring 11 is arranged on the connecting rod 9, the first air inlet nozzle 7 is connected with an expansion air source, air enters the connecting cylinder 4, enters a gap between the first shell 8 and the connecting cylinder 4, then enters a gap between the connecting rod 9 and the first expansion ring 11 through the connecting rod 9 and the first and second shells 10, and the first expansion ring 11 is expanded outwards.
Preferably, the second expansion assembly comprises a third housing 12 connected with one end of the air intake rod 5 far away from the mounting plate 1, a fourth housing 13 with one end embedded in the third housing 12, a second expansion ring 14 arranged in the fourth housing 13, a separation barrel 15 arranged in the fourth housing 13 and closer to the third housing 12 than the second expansion ring 14, and a second air intake channel 16 arranged on the air intake rod 5, wherein the second air intake channel 16 is communicated with a third air intake channel 17 arranged on the third housing 12, the third air intake channel 17 is communicated with a gap between the separation barrel 15 and the fourth housing 13, and more preferably, the device further comprises a second air intake nozzle 18 arranged on the air intake rod 5 and respectively communicated with the first air intake channel 6, and a detection air source is connected into the first air intake channel 6 through the second air intake nozzle 18.
Preferably, the device further comprises a connecting ring 19 arranged in the third shell 12, one end of the connecting ring is embedded in the isolation cylinder 15, the first air inlet channel 6 penetrates through the third shell 12 to be communicated with the connecting ring 19 and the isolation cylinder 15 in sequence, more preferably, the device further comprises a third air inlet nozzle 20 arranged on the air inlet rod 5 and communicated with the second air inlet channel 16, an expanding air source is connected through the third air inlet nozzle 20, air enters the third shell 12 through the second air inlet channel 16, and then enters between the second expanding ring 14 and the inner wall of the fourth shell 13 through gaps among the connecting ring 19, the isolation cylinder 15, the third shell 12 and the fourth shell 13, and the second expanding ring 14 is expanded inwards;
Wherein the detection gas enters the third housing 12 from the first air inlet channel 6 and enters the isolation cylinder 15 through the connecting cylinder 4.
Preferably, the connecting ring 19 is provided with a buffer ring 21 at the outer periphery thereof between the third casing 12 and the isolation cylinder 15, so that the impact between the third casing 12 and the isolation cylinder 15 can be reduced.
Preferably, the adjusting handle 2 is arranged on two sides of the mounting plate 1 with the air inlet rod 5, and the air inlet rod 5 and the connecting cylinder 4 are positioned on the same side of the mounting plate 1.
Preferably, the first air inlet nozzle 7 is arranged on two sides of the mounting plate 1 and the connecting cylinder 4.
In the above embodiment, the first expansion ring 11 and the second expansion ring 14 are made of silica gel, and can be deformed under the action of air pressure to further realize outward or inward expansion, in particular, the fourth housing 13 is further provided with a first connecting tube 22 extending outward through the second expansion ring 14, the second housing 10 is inserted into the second connecting tube 23, the outer wall of the first expansion ring 11 is close to the second connecting tube 23, and the first connecting tube 22 and the second connecting tube 23 are made of rubber.
When the embodiment is used, the following steps are adopted:
The air inlet pipe of the vehicle-mounted air conditioner is inserted into the first connecting pipe 22, the air outlet pipe is sleeved outside the second connecting pipe 23 (namely, the second connecting pipe 23 is inserted into the air outlet pipe), meanwhile, the third air inlet nozzle 20 and the first air inlet nozzle 7 are connected into an expansion air source, the second expansion ring 14 deforms inwards to realize the sealing between the first connecting pipe 22 and the air inlet pipe and between the first connecting pipe 22 and the fourth housing 13, and the first expansion ring 11 deforms outwards to realize the sealing between the second connecting pipe 23 and the air outlet pipe and between the second connecting pipe 23 and the second housing 10;
Then the second air inlet nozzle 18 is connected with a detection air source, and the detection air source enters the vehicle-mounted air conditioner through an air inlet pipe, so that the air tightness detection is realized.
The distance between the detection ends at two sides of the device provided by the embodiment can be adjusted, and the volume is smaller, so that the device can be suitable for detecting vehicle-mounted air conditioners with various sizes and models, and can also flexibly detect the air tightness in a vehicle-mounted environment;
The device provided by the embodiment realizes the sealing connection with the air inlet end and the air outlet end of the vehicle-mounted air conditioner through air pressure, and avoids inaccurate detection caused by leakage at the connection part in the detection process;
The device that this embodiment provided each air flue and the structure layout between the inlet end are reasonable for this device can conveniently realize carrying out the gas tightness to on-vehicle air conditioner and detect.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. The portable vehicle-mounted air conditioner air tightness detection device is characterized by comprising a mounting plate, an adjusting handle movably mounted on the mounting plate, a connecting cylinder fixedly mounted on the mounting plate, an air inlet rod connected with the adjusting handle, a first air inlet channel arranged on the air inlet rod, a first expansion assembly connected with the connecting cylinder, and a second expansion assembly connected with the air inlet rod; the first expansion assembly comprises a first air inlet nozzle fixedly arranged on the mounting plate, the first air inlet nozzle is communicated with the connecting cylinder, the first air inlet nozzle further comprises a first shell, one end of the first shell is inserted into the connecting rod, the other end of the first shell is inserted into the connecting rod, the connecting rod is sequentially inserted into the first shell and the mounting cylinder, a second shell is arranged outside the connecting rod, the first expansion ring is arranged on the connecting rod, the first air inlet nozzle is connected with an expansion air source, air enters the connecting cylinder and enters a gap between the first shell and the connecting cylinder, and then enters the gap between the connecting rod and the first expansion ring through the gap between the connecting rod and the first shell and the second shell, and the first expansion ring is outwards expanded; the second expansion assembly comprises a third shell connected with one end of the air inlet rod, which is far away from the mounting plate, and a fourth shell with one end embedded into the third shell, wherein a second expansion ring is arranged in the fourth shell, an isolation cylinder which is closer to the third shell than the second expansion ring is arranged in the fourth shell, and the second expansion assembly further comprises a second air inlet channel which is arranged on the air inlet rod, the second air inlet channel is communicated with a third air inlet channel which is arranged on the third shell, and the third air inlet channel is communicated with a gap between the isolation cylinder and the fourth shell.
2. The portable vehicle-mounted air conditioner air tightness detection device according to claim 1, further comprising a connecting ring arranged in the third shell, one end of the connecting ring is embedded into the isolation cylinder, and the first air inlet channel penetrates through the third shell to be sequentially communicated with the connecting ring and the isolation cylinder.
3. The portable vehicle-mounted air conditioner air tightness detection device according to claim 2, wherein the connecting ring is provided with a buffer ring at the periphery between the third housing and the isolation cylinder.
4. The portable vehicle-mounted air conditioner air tightness detection device according to claim 1, further comprising a second air inlet nozzle and a third air inlet nozzle which are arranged on the air inlet rod and respectively communicated with the first air inlet channel and the second air inlet channel.
5. The portable vehicle-mounted air conditioner air tightness detection device according to any one of claims 1-4, wherein the adjusting handle and the air inlet rod are arranged on two sides of the mounting plate in a row, and the air inlet rod and the connecting cylinder are arranged on the same side of the mounting plate.
6. The portable vehicle-mounted air conditioner air tightness detection device according to any of claims 1-4, wherein the first air inlet nozzle and the connecting cylinder are arranged on two sides of the mounting plate in a separated mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106233.9A CN110702318B (en) | 2019-11-13 | 2019-11-13 | Portable vehicle-mounted air conditioner air tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911106233.9A CN110702318B (en) | 2019-11-13 | 2019-11-13 | Portable vehicle-mounted air conditioner air tightness detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110702318A CN110702318A (en) | 2020-01-17 |
| CN110702318B true CN110702318B (en) | 2024-06-04 |
Family
ID=69205925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911106233.9A Active CN110702318B (en) | 2019-11-13 | 2019-11-13 | Portable vehicle-mounted air conditioner air tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110702318B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140051707A (en) * | 2012-10-23 | 2014-05-02 | (주) 소프트랩 | Device for collecting and leak detecting of gas pipeline |
| CN204535926U (en) * | 2015-01-23 | 2015-08-05 | 江苏嘉和热系统股份有限公司 | The automatic swelling plug of a kind of heating radiator air-leakage test |
| CN205483408U (en) * | 2016-01-05 | 2016-08-17 | 天津鹏翎胶管股份有限公司 | Shutoff frock of fuel rubber tube, fire oil pipe's fixed frock gentleness secret nature check out test set |
| KR20170090033A (en) * | 2016-01-28 | 2017-08-07 | 주식회사 쎈포스 | Apparatus For Testing Gas Leakage Can Be Portable |
| CN107654788A (en) * | 2017-11-15 | 2018-02-02 | 武汉联航机电有限公司 | One kind closure silica gel device |
| CN107806967A (en) * | 2017-12-14 | 2018-03-16 | 重庆同星聚创机电有限公司 | A kind of airtight detecting apparatus for pipelines of automobile air conditioner |
| CN208818431U (en) * | 2018-09-25 | 2019-05-03 | 宜昌达瑞机电科技有限公司 | A kind of air conditioning for automobiles component air-tightness detection tool |
| CN110249210A (en) * | 2017-09-30 | 2019-09-17 | 深圳欣锐科技股份有限公司 | A kind of air admission junction device and air inlet connect system |
| CN110274730A (en) * | 2019-07-02 | 2019-09-24 | 浙江国祥股份有限公司 | A kind of air-conditioning air tight test device |
| CN210603742U (en) * | 2019-11-13 | 2020-05-22 | 宜昌瑞盛智能装备有限公司 | Vehicle-mounted air conditioner air tightness detection device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7841229B2 (en) * | 2007-03-09 | 2010-11-30 | Ridgway Glen A | Leak detecting apparatus |
-
2019
- 2019-11-13 CN CN201911106233.9A patent/CN110702318B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140051707A (en) * | 2012-10-23 | 2014-05-02 | (주) 소프트랩 | Device for collecting and leak detecting of gas pipeline |
| CN204535926U (en) * | 2015-01-23 | 2015-08-05 | 江苏嘉和热系统股份有限公司 | The automatic swelling plug of a kind of heating radiator air-leakage test |
| CN205483408U (en) * | 2016-01-05 | 2016-08-17 | 天津鹏翎胶管股份有限公司 | Shutoff frock of fuel rubber tube, fire oil pipe's fixed frock gentleness secret nature check out test set |
| KR20170090033A (en) * | 2016-01-28 | 2017-08-07 | 주식회사 쎈포스 | Apparatus For Testing Gas Leakage Can Be Portable |
| CN110249210A (en) * | 2017-09-30 | 2019-09-17 | 深圳欣锐科技股份有限公司 | A kind of air admission junction device and air inlet connect system |
| CN107654788A (en) * | 2017-11-15 | 2018-02-02 | 武汉联航机电有限公司 | One kind closure silica gel device |
| CN107806967A (en) * | 2017-12-14 | 2018-03-16 | 重庆同星聚创机电有限公司 | A kind of airtight detecting apparatus for pipelines of automobile air conditioner |
| CN208818431U (en) * | 2018-09-25 | 2019-05-03 | 宜昌达瑞机电科技有限公司 | A kind of air conditioning for automobiles component air-tightness detection tool |
| CN110274730A (en) * | 2019-07-02 | 2019-09-24 | 浙江国祥股份有限公司 | A kind of air-conditioning air tight test device |
| CN210603742U (en) * | 2019-11-13 | 2020-05-22 | 宜昌瑞盛智能装备有限公司 | Vehicle-mounted air conditioner air tightness detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110702318A (en) | 2020-01-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210603742U (en) | Vehicle-mounted air conditioner air tightness detection device | |
| CN110702318B (en) | Portable vehicle-mounted air conditioner air tightness detection device | |
| CN109060272A (en) | A kind of car light air tightness detection equipment | |
| CN108844623B (en) | High-pressure compressor rotor blade vibration test system | |
| CN103231631A (en) | Inflation nozzle for tire | |
| CN215598625U (en) | Hole auxiliary detection sealing connector | |
| CN114576565A (en) | Pipeline leakage detection protection system based on pipeline vibration detection | |
| CN115389132A (en) | Airtightness detection device and method based on automobile exhaust pipe production | |
| CN202869808U (en) | Bench test device for air intake system of automobile generator | |
| CN219064789U (en) | Air tightness detection device for pipeline | |
| CN207300277U (en) | A kind of static pressure of observable connection reliability/total head one air speed pipe clamp | |
| CN219655564U (en) | Built-in muffler of automobile air conditioner pipe | |
| CN212340578U (en) | Air tightness detection tool for automobile cooling water pipe | |
| CN218156866U (en) | Automobile air conditioner single-air-port air outlet performance detector capable of eliminating wind resistance | |
| CN221883559U (en) | Tail gas detection and display device based on STM32 | |
| CN218156684U (en) | Seal detection auxiliary tool and airtight detection equipment | |
| CN208968763U (en) | A kind of pressure test fixture of bellows component | |
| CN2516774Y (en) | Quick one-way intake valve | |
| CN219867474U (en) | Leakage detection device for heating pipeline | |
| CN212031523U (en) | Device for off-line testing representativeness of activated carbon sample cup | |
| CN210154766U (en) | Air tightness detection device for water cooling seat structural part of centrifugal fan | |
| CN212459079U (en) | Vehicle exhaust extraction device | |
| CN216594203U (en) | Finished automobile air conditioner refrigerant pressure measuring equipment | |
| CN210004121U (en) | discharge pipe detection device for cities and towns | |
| CN210774575U (en) | Air pipe air leakage testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210906 Address after: No.1012, 57-5, Fazhan Avenue, Yichang District, China (Hubei) free trade zone, Yichang City, Hubei Province, 443000 Applicant after: YICHANG DARUI ELECTRICAL AND MECHANICAL TECHNOLOGY Co.,Ltd. Address before: 443000 room 1011, entrepreneurship center, No. 57-5, development avenue, Yichang District, China (Hubei) free trade zone, Yichang City, Hubei Province Applicant before: Yichang Ruisheng Intelligent Equipment Co.,Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |