CN111024325A - Rear cover air tightness detection device for automobile electronic water pump production - Google Patents
Rear cover air tightness detection device for automobile electronic water pump production Download PDFInfo
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- CN111024325A CN111024325A CN201911286883.6A CN201911286883A CN111024325A CN 111024325 A CN111024325 A CN 111024325A CN 201911286883 A CN201911286883 A CN 201911286883A CN 111024325 A CN111024325 A CN 111024325A
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- water pump
- rear cover
- pressure measurement
- pressure measuring
- detection device
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- 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
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
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- Examining Or Testing Airtightness (AREA)
Abstract
The invention discloses a rear cover air tightness detection device for automobile electronic water pump production, and particularly relates to the technical field of automobile electronic water pump air tightness detection. The rear cover air tightness detection device for water pump production can conveniently and quickly clamp and fix the rear cover of the water pump to detect air tightness, and is tightly connected with the rear cover of the water pump.
Description
Technical Field
The invention relates to the technical field of air tightness detection of automobile electronic water pumps, in particular to a rear cover air tightness detection device for automobile electronic water pump production.
Background
Water pump production in the existing market is with back lid gas tightness detection device, the lid detects the gas tightness behind the fixed water pump of centre gripping that most can not be convenient quick, and the volume of most devices is great, the structure is complicated, is unfavorable for the transportation of device to use, and the precision that detects is mostly lower, connects inseparably during the detection, and junction gas leakage leads to detecting to make mistakes, is unfavorable for the use of device. Therefore, those skilled in the art provide a rear cover air-tightness detecting device for the production of electronic water pumps of automobiles to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to provide a rear cover air-tightness detection device for the production of an automobile electronic water pump, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an automotive electronics water pump production is with back lid gas tightness detection device, includes the device box, the lower skin weld of device box has the supporting legs, inside one side of device box is provided with the drawer, the top position department that inside one side of device box is located the drawer welds down the pressure measurement component, the top position department that inside one side of device box is located down the pressure measurement component installs the pressure measurement component, the access panel is installed to the front surface opposite side of device box, the position department that the front surface opposite side of device box closes on the access panel installs the control box, the inside rear position department that is located the access panel of device box installs the booster pump, one side through-welding of booster pump has the intake pipe, the solenoid valve is installed to the surface one end of intake pipe.
As a further scheme of the invention: go up the lower extreme of pressure measurement component and be provided with the pressure measurement cover, the internally mounted of pressure measurement cover has the clamp plate, the surface coating of clamp plate has the sealing layer, the one end of intake pipe closes on the position department that the pressure measurement covered and installs first baroceptor, the last skin weld of pressure measurement cover has first telescopic link, the upper end of pressure measurement component is provided with the pressure measurement basin down, the internally mounted of pressure measurement basin covers a supporting bench behind the water pump, the second telescopic link is installed to the inside upper end of pressure measurement basin, one side welding of second telescopic link has splint, the upper end of pressure measurement basin is provided with the sealing ring, the lower surface through welding of pressure measurement basin has the outlet duct, second baroceptor is installed to one side of outlet duct.
As a still further scheme of the invention: the inside front end of control box installs the singlechip, the sensing transmitter is installed to the inside rear end of control box, the inside top position department that is located the sensing transmitter of control box installs bee calling organ, the display screen is installed to front surface one side of control box, the pilot lamp is installed to front surface opposite side upper end of control box, the control button is installed to front surface opposite side lower extreme of control box.
As a still further scheme of the invention: the output end of the booster pump is communicated with the air inlet pipe through an electromagnetic valve to be connected with the input end of the upper pressure measuring component, and the positions of the lower pressure measuring component and the upper pressure measuring component correspond up and down.
As a still further scheme of the invention: the first telescopic link is provided with four, four the even welding of lower surface of first telescopic link is at the upper surface of pressure measuring cover, four the upper surface welded connection of first telescopic link is in the inside upper surface position department of device box.
As a still further scheme of the invention: the outer diameter of the pressure measuring cover is matched with the inner diameter area of the sealing ring, and the lower pressure measuring component and the upper pressure measuring component are connected with the sealing ring in a sealing mode through the pressure measuring cover.
As a still further scheme of the invention: the sealing layer and the water pump rear cover supporting table are both members made of rubber materials, the position of the pressing plate corresponds to that of the water pump rear cover supporting table, and the outer diameter of the sealing layer is matched with the inner diameter of the water pump rear cover.
As a still further scheme of the invention: the second telescopic rods and the clamping plates are provided with four groups, and the four groups of the second telescopic rods and the clamping plates are correspondingly arranged at the inner side positions of the pressure measuring basin.
As a still further scheme of the invention: the output electrode of control button connects the input of singlechip, the input of pilot lamp, bee calling organ and display screen is connected to the output electrode of singlechip, the input of sensor transducer is connected with the output electrode of last pressure cell component sensor down, the input of singlechip is connected to the output electrode of sensor transducer, the input of booster pump and solenoid valve is connected to the output electrode of singlechip.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a rear cover air tightness detection device for water pump production, which can conveniently and rapidly clamp and fix a rear cover of a water pump to detect air tightness, is tightly connected with the rear cover of the water pump, avoids gas leakage at a joint in the detection process, places the rear cover of the water pump on the upper surface of a support table, presses a control button to control a second telescopic rod to operate through a single chip microcomputer, the second telescopic rod pushes a clamping plate to clamp the rear cover of the water pump to be detected, a first telescopic rod operates to push a pressure measuring cover to clamp the lower end of the pressure measuring cover to an inner pressing plate of a sealing ring, the sealing layer seals the upper end surface of the rear cover of the water pump to be detected, the booster pump operates, an electromagnetic valve on the booster pump is opened, gas enters the inside of the pressing plate through an air inlet pipe, the pressing plate performs air blowing detection on the rear cover of the water pump, the air pressure is detected through a, by the inside of the leading-in outlet duct of pressure measurement basin, detect out through second baroceptor and leak atmospheric pressure size, detect and accomplish, first telescopic link shrink, the pressure measurement cover lifts up, and the lid behind the water pump after detecting on taking out the water pump back lid supporting bench increases the precision that detects, and the error rate of detection is lower, is favorable to the use of device.
This device's compact structure, the volume is less, it is intelligent higher, detection information that can alarm device, be favorable to the transportation of device, increase the convenience of installation, press down control button and pass through the operation of single chip microcomputer control second telescopic link, detect the atmospheric pressure size through first baroceptor, detection information passes through the conversion back of sensing transmitter, show on the display screen through the singlechip, when the gas tightness of lid is relatively poor behind the water pump, detect out leakage air pressure size through second baroceptor, detection information sends the inside of singlechip through sensing transmitter, show on the display screen after the processing of singlechip, and simultaneously, the pilot lamp lights the warning, the buzzer sounds the warning, the gas tightness of lid spills over behind the warning water pump.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a perspective view of the present invention;
FIG. 3 is a perspective schematic view of an upper load cell according to the present invention;
FIG. 4 is a schematic view of the construction of a lower load cell according to the present invention;
fig. 5 is a perspective view of the control box of the present invention.
In the figure: 1. a device case; 2. a drawer; 3. a control box; 4. a lower pressure member; 5. an upper pressure measurement member; 6. supporting legs; 7. an access panel; 8. a booster pump; 9. an air inlet pipe; 10. an electromagnetic valve; 11. a pressure measuring cover; 12. a first telescopic rod; 13. a first air pressure sensor; 14. pressing a plate; 15. a sealing layer; 16. a pressure measuring basin; 17. a seal ring; 18. an air outlet pipe; 19. a second air pressure sensor; 20. a water pump rear cover supporting table; 21. a second telescopic rod; 22. a splint; 23. a display screen; 24. a control key; 25. an indicator light; 26. a single chip microcomputer; 27. a sensing transmitter; 28. a buzzer.
Detailed Description
The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 5, in the embodiment of the present invention, a rear cover air-tightness detecting device for automobile electronic water pump production includes a device case 1, support legs 6 welded to a lower surface of the device case 1, a drawer 2 arranged on one side of an inside of the device case 1, a lower pressure measuring member 4 welded to one side of the inside of the device case 1 above the drawer 2, an upper pressure measuring member 5 installed to one side of the inside of the device case 1 above the lower pressure measuring member 4, an access panel 7 installed to the other side of a front surface of the device case 1, a control box 3 installed to the other side of the front surface of the device case 1 near the access panel 7, a booster pump 8 installed to the rear side of the access panel 7, an air inlet pipe 9 welded to one side of the booster pump 8, and an electromagnetic valve 10 installed to one end of an outer surface of the air inlet pipe 9, the output end of the booster pump 8 is communicated with the input end of the upper pressure measuring component 5 through an electromagnetic valve 10 and an air inlet pipe 9, the lower pressure measuring component 4 corresponds to the upper pressure measuring component 5 up and down, firstly, the taking-out device is placed at a use position and is supported through a supporting leg 6 to be connected with a power supply, then, a required tool is placed in the drawer 2, a water pump rear cover required to be detected is taken out, the water pump rear cover is placed in the lower pressure measuring component 4 and is clamped and fixed through the lower pressure measuring component 4, the upper pressure measuring component is controlled to operate and press down through the control box 3, the booster pump 8 operates, the electromagnetic valve 10 on the booster pump 8 is opened, gas enters the upper pressure measuring component 5 through the air inlet pipe 9, detection information enters the control box 3, if the air tightness of the water pump rear cover is poor, the gas enters the lower pressure measuring component 4, and finally, after the detection is finished, the upper pressure measuring component 5 is lifted, the detected water pump rear cover is taken out, and the maintenance plate 7 can be opened to maintain the booster pump 8.
In fig. 3, 4: the lower end of the upper pressure measuring component 5 is provided with a pressure measuring cover 11, a pressure plate 14 is installed inside the pressure measuring cover 11, the outer surface of the pressure plate 14 is wrapped by a sealing layer 15, a first air pressure sensor 13 is installed at a position, close to the pressure measuring cover 11, of one end of an air inlet pipe 9, a first telescopic rod 12 is welded on the upper surface of the pressure measuring cover 11, a pressure measuring basin 16 is arranged at the upper end of the lower pressure measuring component 4, a water pump rear cover supporting platform 20 is installed inside the pressure measuring basin 16, a second telescopic rod 21 is installed at the upper end inside the pressure measuring basin 16, a clamping plate 22 is welded on one side of the second telescopic rod 21, a sealing ring 17 is arranged at the upper end of the pressure measuring basin 16, an air outlet pipe 18 is welded on the lower surface of the pressure measuring basin 16 in a penetrating mode, a second air pressure sensor 19 is installed, the upper surfaces of four first telescopic rods 12 are welded and connected at the position of the inner upper surface of a device box body 1, the outer diameter of a pressure measuring cover 11 is matched with the inner diameter area of a sealing ring 17, a lower pressure measuring component 4 and an upper pressure measuring component 5 are hermetically connected with the sealing ring 17 through the pressure measuring cover 11, a sealing layer 15 and a water pump rear cover supporting platform 20 are both rubber components, a pressure plate 14 corresponds to the position of the water pump rear cover supporting platform 20, the outer diameter of the sealing layer 15 is matched with the inner diameter of a detected water pump rear cover, four groups of second telescopic rods 21 and clamping plates 22 are arranged, the four groups of second telescopic rods 21 and the clamping plates 22 are correspondingly arranged at the inner side position of a pressure measuring basin 16, the water pump rear cover to be detected is taken out, the water pump rear cover is placed on the upper surface of the water pump rear cover supporting platform 20, a press control key 24 controls the operation of the second telescopic rods 21 through a, first telescopic link 12 operation, promote pressure measurement cover 11 and cover the up end behind the water pump that sealing ring 17 was sealed to the inside clamp plate 14 of the lower extreme block of pressure measurement cover 11 to the required detection through sealing layer 15, the operation of booster pump 8, solenoid valve 10 on the booster pump 8 opens, gaseous inside that gets into clamp plate 14 through intake pipe 9, clamp plate 14 is to the lid detection of blowing behind the water pump, detect atmospheric pressure size through first baroceptor 13, if the gas tightness of lid is relatively poor behind the water pump, gaseous inside that overflows the entering pressure measurement basin 16 through lid behind the water pump, by the leading-in outlet duct 18 of pressure measurement basin 16, it leaks the atmospheric pressure size to detect out through second baroceptor 19, detect and accomplish, first telescopic link 12 shrink, pressure measurement cover 11 lifts up, second telescopic link 21 shrink, take out the lid behind the water pump after the detection on the lid supporting bench 20 behind the.
In fig. 2, 5: a singlechip 26 is arranged at the front end in the control box 3, a sensing transmitter 27 is arranged at the rear end in the control box 3, a buzzer 28 is arranged at the position above the sensing transmitter 27 in the control box 3, a display screen 23 is arranged at one side of the front surface of the control box 3, an indicator lamp 25 is arranged at the upper end of the other side of the front surface of the control box 3, a control key 24 is arranged at the lower end of the other side of the front surface of the control box 3, an output end electrode of the control key 24 is connected with an input end of the singlechip 26, an output end electrode of the singlechip 26 is connected with the indicator lamp 25, the buzzer 28 and the input end of the display screen 23, an output end electrode of the sensor on the lower pressure measuring component 4 and the upper pressure measuring component 5 is connected with an input end of the sensing transmitter 27, an output end electrode of the sensing transmitter 27 is connected with an input, the operation of the control key 24 is controlled by the singlechip 26 through the press control key, the air pressure is detected through the first air pressure sensor 13, the detection information is displayed on the display screen 23 through the singlechip 26 after being converted through the sensing transmitter 27, if the air tightness of the rear cover of the water pump is poor, the air pressure leakage is detected through the second air pressure sensor 19, the detection information is sent to the inside of the singlechip 26 through the sensing transmitter 27 and is displayed on the display screen 23 after being processed by the singlechip 26, meanwhile, the indicator light 25 lights up an alarm, the buzzer 28 sounds an alarm, and the air tightness of the rear cover of the water pump is warned to overflow.
It should be noted that: the air pressure control device comprises a booster pump 8 (the model is GBLV6-A2), an electromagnetic valve 10 (the model is HOPE81), a first air pressure sensor 13 and a second air pressure sensor 19, a first telescopic rod 12 (the model is YM-TGA-350), a second telescopic rod 21 (the model is YNT-07), a single chip microcomputer 26 (the model is MKL16Z128VFM4), a sensing transmitter 27 (the model is SYR-P-O) and a buzzer 28 (the model is KPEG 242).
The working principle of the invention is as follows: firstly, the taking-out device is placed at a use position, the supporting is carried out through the supporting legs 6, the power supply is connected, then, required tools are placed in the drawer 2, a water pump rear cover required to be detected is taken out, the water pump rear cover is placed on the upper surface of a water pump rear cover supporting table 20, the pressing control key 24 controls the operation of the second telescopic rod 21 through the single chip microcomputer 26, the second telescopic rod 21 pushes the clamping plate 22 to clamp the water pump rear cover required to be detected, the first telescopic rod 12 operates, the pressure measuring cover 11 is pushed to clamp the lower end of the pressure measuring cover 11 to the inner pressing plate 14 of the sealing ring 17, the upper end surface of the water pump rear cover required to be detected is sealed through the sealing layer 15, the booster pump 8 operates, the electromagnetic valve 10 on the booster pump 8 is opened, gas enters the inside of the pressing plate 14 through the air inlet pipe 9, the pressing, after the detection information is converted by the sensing transmitter 27, the detection information is displayed on the display screen 23 through the singlechip 26, if the air tightness of the rear cover of the water pump is poor, the gas overflows into the pressure measuring basin 16 through the rear cover of the water pump, the pressure measuring basin 16 guides the gas into the outlet pipe 18, the leakage air pressure is detected by the second air pressure sensor 19, the detection information is sent to the inside of the singlechip 26 through the sensing transmitter 27 and is displayed on the display screen 23 after being processed by the singlechip 26, meanwhile, the indicator lamp 25 lights an alarm, the buzzer 28 sounds the alarm, the air tightness of the rear cover of the water pump is warned to overflow, finally, the detection is completed, the first telescopic rod 12 is contracted, the pressure measuring cover 11 is lifted, the second telescopic rod 21 is contracted, the rear cover of the water pump detected on the support platform 20 of the rear cover of the water pump is taken out, and the.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The rear cover air tightness detection device for the production of the automobile electronic water pump comprises a device box body (1) and is characterized in that supporting legs (6) are welded on the lower surface of the device box body (1), a drawer (2) is arranged on one side inside the device box body (1), a lower pressure measuring component (4) is welded on one side inside the device box body (1) and located above the drawer (2), an upper pressure measuring component (5) is installed on one side inside the device box body (1) and located above the lower pressure measuring component (4), an access board (7) is installed on the other side of the front surface of the device box body (1), a control box (3) is installed on the other side of the front surface of the device box body (1) close to the position of the access board (7), and a booster pump (8) is installed on the other side of the inside of the device box body (1) and located behind the access board (7, one side of booster pump (8) link up the welding and have intake pipe (9), solenoid valve (10) are installed to the surface one end of intake pipe (9).
2. The rear cover airtightness detection device for the automobile electronic water pump production according to claim 1, wherein a pressure measurement cover (11) is provided at a lower end of the upper pressure measurement member (5), a pressure plate (14) is installed inside the pressure measurement cover (11), a sealing layer (15) is wrapped on an outer surface of the pressure plate (14), a first air pressure sensor (13) is installed at a position, close to the pressure measurement cover (11), of one end of the air inlet pipe (9), a first telescopic rod (12) is welded on an upper surface of the pressure measurement cover (11), the rear cover airtightness detection device is characterized in that a pressure measurement basin (16) is provided at an upper end of the lower pressure measurement member (4), a water pump rear cover support platform (20) is installed inside the pressure measurement basin (16), a second telescopic rod (21) is installed at an upper end inside the pressure measurement basin (16), and a clamping plate (22) is welded on one side of the second telescopic rod (21), the upper end of the pressure measuring basin (16) is provided with a sealing ring (17), the lower surface of the pressure measuring basin (16) is welded with an air outlet pipe (18) in a penetrating mode, and a second air pressure sensor (19) is installed on one side of the air outlet pipe (18).
3. The rear cover air-tightness detection device for the production of the automobile electronic water pump as claimed in claim 1, wherein a single chip microcomputer (26) is installed at the front end of the inside of the control box (3), a sensing transmitter (27) is installed at the rear end of the inside of the control box (3), a buzzer (28) is installed in the control box (3) above the sensing transmitter (27), a display screen (23) is installed on one side of the front surface of the control box (3), an indicator lamp (25) is installed at the upper end of the other side of the front surface of the control box (3), and a control key (24) is installed at the lower end of the other side of the front surface of the control box (3).
4. The rear cover air-tightness detection device for the production of the automobile electronic water pump as claimed in claim 1, wherein the output end of the booster pump (8) is connected with the input end of the upper pressure measuring member (5) through the electromagnetic valve (10) and the air inlet pipe (9), and the positions of the lower pressure measuring member (4) and the upper pressure measuring member (5) are up-down corresponding.
5. The rear cover airtightness detection device for the automobile electronic water pump production according to claim 2, wherein four first telescopic rods (12) are provided, the lower surfaces of four first telescopic rods (12) are uniformly welded to the upper surface of the pressure measurement cover (11), and the upper surfaces of four first telescopic rods (12) are welded to the position of the inner upper surface of the device case (1).
6. The rear cover air tightness detection device for the production of the automobile electronic water pump is characterized in that the outer diameter of the pressure measurement cover (11) is matched with the inner diameter area of the sealing ring (17), and the lower pressure measurement member (4) and the upper pressure measurement member (5) are connected with the sealing ring (17) in a sealing mode through the pressure measurement cover (11).
7. The rear cover airtightness detection apparatus for the production of the automotive electronic water pump according to claim 2, wherein the sealing layer (15) and the water pump rear cover support platform (20) are both made of a rubber material, the pressure plate (14) corresponds to the position of the water pump rear cover support platform (20), and the outer diameter of the sealing layer (15) is adapted to the inner diameter of the detection water pump rear cover.
8. The rear cover airtightness detection device for the production of the automotive electronic water pump, according to claim 2, is characterized in that four sets of the second telescopic rods (21) and the clamping plates (22) are provided, and the four sets of the second telescopic rods (21) and the clamping plates (22) are correspondingly installed at positions inside the pressure measuring basin (16).
9. The rear cover air-tightness detection device for the production of the automobile electronic water pump as claimed in claim 3, wherein an output end electrode of the control key (24) is connected with an input end of a single chip microcomputer (26), an output end electrode of the single chip microcomputer (26) is connected with an input end of an indicator lamp (25), a buzzer (28) and an input end of a display screen (23), an output end electrode of a sensor on the lower pressure measuring component (4) and the upper pressure measuring component (5) is connected with an input end of a sensor transmitter (27), an output end electrode of the sensor transmitter (27) is connected with an input end of the single chip microcomputer (26), and an output end electrode of the single chip microcomputer (26) is connected with an input end of a booster pump (8) and an input end of an electromagnetic valve (.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286883.6A CN111024325A (en) | 2019-12-14 | 2019-12-14 | Rear cover air tightness detection device for automobile electronic water pump production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911286883.6A CN111024325A (en) | 2019-12-14 | 2019-12-14 | Rear cover air tightness detection device for automobile electronic water pump production |
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| CN111024325A true CN111024325A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911286883.6A Pending CN111024325A (en) | 2019-12-14 | 2019-12-14 | Rear cover air tightness detection device for automobile electronic water pump production |
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| CN (1) | CN111024325A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115290273A (en) * | 2022-09-30 | 2022-11-04 | 中科摩通(常州)智能制造股份有限公司 | Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof |
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| US4440016A (en) * | 1981-10-12 | 1984-04-03 | Daiwa Can Company, Limited | Method for high speed leak test for metallic cover with a pull tab |
| CN101044384A (en) * | 2004-10-19 | 2007-09-26 | 苏德罗尼克股份公司 | Method and device for testing the impermealbility of tear-off lids |
| CN207976259U (en) * | 2018-03-02 | 2018-10-16 | 苏州爱乐石油设备有限公司 | A kind of automation pneumatic test set |
| CN110441009A (en) * | 2019-08-14 | 2019-11-12 | 郑云龙 | A kind of car deceleration device shell air tightness detection apparatus |
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2019
- 2019-12-14 CN CN201911286883.6A patent/CN111024325A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4440016A (en) * | 1981-10-12 | 1984-04-03 | Daiwa Can Company, Limited | Method for high speed leak test for metallic cover with a pull tab |
| CN101044384A (en) * | 2004-10-19 | 2007-09-26 | 苏德罗尼克股份公司 | Method and device for testing the impermealbility of tear-off lids |
| CN207976259U (en) * | 2018-03-02 | 2018-10-16 | 苏州爱乐石油设备有限公司 | A kind of automation pneumatic test set |
| CN110441009A (en) * | 2019-08-14 | 2019-11-12 | 郑云龙 | A kind of car deceleration device shell air tightness detection apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115290273A (en) * | 2022-09-30 | 2022-11-04 | 中科摩通(常州)智能制造股份有限公司 | Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof |
| CN115290273B (en) * | 2022-09-30 | 2023-01-03 | 中科摩通(常州)智能制造股份有限公司 | Automobile electronic water pump bottom cover spin welding and air tightness test workstation and detection method thereof |
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Application publication date: 20200417 |
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