CN109163861B - Air tightness test fixture - Google Patents
Air tightness test fixture Download PDFInfo
- Publication number
- CN109163861B CN109163861B CN201811216664.6A CN201811216664A CN109163861B CN 109163861 B CN109163861 B CN 109163861B CN 201811216664 A CN201811216664 A CN 201811216664A CN 109163861 B CN109163861 B CN 109163861B
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- CN
- China
- Prior art keywords
- block
- sealing
- mounting plate
- plate
- upper mounting
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 65
- 238000007789 sealing Methods 0.000 claims description 46
- 230000002265 prevention Effects 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 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
- 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
Abstract
The invention discloses an air tightness test fixture, which comprises an upper mounting plate, a lower mounting plate and a carrier plate, wherein the carrier plate is provided with a placement groove for placing a product to be tested; the test connector is connected with the instrument test end, the upper mounting plate is also provided with a contrast connector for balancing the instrument, and the contrast connector is connected with the instrument contrast end; and the air tightness products to be detected are accommodated in the accommodating groove, the air tightness test is carried out on the products through the test connector, and the test data are displayed on the equipment. The invention adds the comparison joint on the basis of the original test joint, fully uses the function of the differential pressure air tightness instrument, ensures that the tested data can more fully feed back the leakage value of the product, and plays a great role in stabilizing the test data of the product.
Description
Technical Field
The invention relates to the technical field of air tightness test, in particular to an air tightness test clamp.
Background
The existing clamps for testing the air tightness of the products in the industry only test the air tightness of the products through the test joints, test data are easy to fluctuate in the test process, so that the test data are unstable, the leakage value of the products at the test positions which cannot be really found is high, the existing clamps for testing the air tightness of the products are generally large, the use test is inconvenient, and the clamps are only used for testing single products, so that the test cost is increased.
Disclosure of Invention
Aiming at the defects in the technology, the invention provides the air tightness test fixture which has a simple structure and is convenient to operate.
In order to achieve the aim, the positioning and bonding feeding and discharging equipment comprises an upper mounting plate, a lower mounting plate and a carrier plate, wherein a placement groove for placing a product to be tested is formed in the carrier plate; the test connector is connected with the instrument test end, the upper mounting plate is also provided with a contrast connector for balancing the instrument, and the contrast connector is connected with the instrument contrast end; the air tightness products to be detected are accommodated in the accommodating groove, the test connector is used for carrying out air tightness test on the products, the comparison connector is electrically connected with the differential pressure air tightness instrument, the tested data can be used for feeding back the leakage value of the products more fully, the stability of the test data of the products is greatly improved, and the test data are displayed on the equipment.
Wherein, the product of waiting to detect is not placed in the mounting groove, and is placed in this mounting groove and is used for carrying out the calibration board of calibration to anchor clamps, and the calibration board still is provided with and reveal the calibration mouth and seal the calibration mouth.
The calibration plate and the first connecting block are inwards sunken to form a second connecting groove matched with the first connecting block in size, and the second connecting block is inserted into the first connecting groove and the first connecting block is inserted into the second connecting groove, so that the upper mounting plate, the sealing assembly and the calibration plate are sequentially and fixedly connected.
The sealing assembly comprises a sealing block and a sealing pressing block, wherein the opposite ends of the sealing pressing block and the first connecting groove are outwards protruded to form a protruding block, the corresponding ends of the sealing block and the first connecting block are inwards recessed to form a recessed groove matched with the protruding block in size, and after the protruding block is inserted into the recessed groove, the sealing block is fixedly connected with the sealing pressing block.
Wherein, be equipped with first air vent on the second connecting block, and the both ends of this first air vent communicate with external world and the inside of last mounting panel respectively, are equipped with the second air vent on the sealing briquetting, are equipped with the third air vent on the sealing briquetting, go up mounting panel, sealing briquetting and calibration board fixed connection back in proper order, first air vent, second air vent, third air vent, reveal the calibration mouth and communicate in proper order.
And the calibration plate is also fixedly provided with a product lifting prevention component which is fixed above the sealing calibration port and is communicated with the sealing calibration port.
Wherein, both ends of going up the mounting panel all are equipped with the guide post, and the carrier plate relevant position department is equipped with the uide bushing, and after every guide post inserted corresponding uide bushing, go up mounting panel and carrier plate fixed connection.
The beneficial effects of the invention are as follows:
compared with the prior art, the invention overcomes the defects of the traditional airtight clamp, increases the comparison joint on the basis of the original test joint, fully uses the function of the differential pressure airtight instrument, ensures that the tested data can fully feed back the leakage value of the product, has a great effect on the stability of the test data of the product, and particularly has the advantages of low cost, attractive appearance, portability, stable test data, adaptability to various products and guarantee of the accuracy and reality of the test data for the mobile phone and the flat plate airtight clamp.
Drawings
FIG. 1 is a block diagram of an air tightness test fixture of the present invention;
FIG. 2 is an exploded view of the air tightness test fixture of the present invention.
The main reference numerals are as follows:
1. upper mounting plate 2, lower mounting plate
3. Carrier plate 4, mounting groove
5. Test joint 6, comparison joint
7. Calibration plate 8, leak calibration
9. Seal calibration port 10 and seal assembly
11. First connecting groove 12 and first connecting block
13. Second connecting block 14, second connecting groove
15. Second air vent 16, product lift prevention assembly
17. Guide post 18, guide sleeve
101. Sealing block 102, sealing press block
103. And (5) a protruding block.
Detailed Description
In order to more clearly illustrate the invention, the invention is further described below with reference to the accompanying drawings.
Referring to fig. 1-2, the air tightness test fixture of the invention comprises an upper mounting plate 1, a lower mounting plate 2 and a carrier plate 3, wherein a placement groove 4 for placing a product to be tested is arranged on the carrier plate 3, after the upper mounting plate 1 is fixedly connected with the carrier plate 3, the carrier plate 3 is fixedly connected with the lower mounting plate 2, and a test joint 5 for testing the air tightness of the product is arranged on the upper mounting plate 1; the test connector 5 is connected with the instrument test end, the upper mounting plate 1 is also provided with a contrast connector 6 for balancing the instrument, and the contrast connector 6 is connected with the instrument contrast end; the air tightness products to be detected are accommodated in the accommodating groove 4, the test connector 5 is used for carrying out air tightness test on the products, the comparison connector 6 is electrically connected with a differential pressure air tightness instrument, the tested data can be used for feeding back the leakage value of the products more fully, the stability of the test data of the products is greatly improved, and the test data are displayed on equipment. The upper die of the clamp is fixed on the testing equipment through the upper mounting plate 1, the lower die of the clamp is mounted on the air tightness testing equipment through the lower mounting plate 2, and the carrier plate 3 mainly plays a role in positioning products according to the appearance design of the products.
Compared with the prior art, the invention overcomes the defect of the traditional airtight clamp, adds the comparison joint 6 on the basis of the original test joint 5, fully uses the function of a differential pressure airtight instrument, ensures that the tested data can fully feed back the leakage value of the product, has a great effect on the stability of the test data of the product, and particularly has the advantages of low cost, attractive appearance, portability, stable test data, suitability for various products and guarantee of the accuracy and reality of the test data for the mobile phone and the flat plate airtight clamp.
In this embodiment, no product to be tested is placed in the placement tank 4, and a calibration plate 7 for calibrating the jig is placed in the placement tank 4, and the calibration plate 7 is further provided with a leak calibration port 8 and a seal calibration port 9. The placing groove 4 is used for placing products to be detected, the calibration plate 7 is used for calibrating the quality of the clamp, the device is calibrated by the calibration plate 7 before the detection starts, and the products are placed in the placing groove 4.
In this embodiment, a sealing component 10 is further fixed between the calibration plate 7 and the upper mounting plate 1, one end of the sealing component 10 is recessed inwards to form a first connecting groove 11, the other end of the sealing component is raised outwards to form a first connecting block 12, the corresponding ends of the upper mounting plate 1 and the first connecting groove 11 are raised outwards to form a second connecting block 13 with the size matched with that of the first connecting groove 11, the corresponding ends of the calibration plate 7 and the first connecting block 12 are recessed inwards to form a second connecting groove 14 with the size matched with that of the first connecting block 12, and after the second connecting block 13 is inserted into the first connecting groove 11 and the first connecting block 12 is inserted into the second connecting groove 14, the upper mounting plate 1, the sealing component 10 and the calibration plate 7 are sequentially and fixedly connected.
In this embodiment, the seal assembly 10 includes a seal block 101 and a seal press block 102, where opposite ends of the seal press block 102 and the first connection groove 11 are protruded outwards to form a protrusion block 103, and opposite ends of the seal block 101 and the first connection block 12 are recessed inwards to form a recess groove (not shown) with a size matching that of the protrusion block, and after the protrusion block 103 is inserted into the recess groove (not shown), the seal block 101 is fixedly connected with the seal press block 102. The sealing block 101 is used to seal a test site of a product, and the sealing block 102 is used to seal the sealing block 101.
In this embodiment, the second connecting block 13 is provided with a first air port (not shown), two ends of the first air port (not shown) are respectively communicated with the outside and the inside of the upper mounting plate, the sealing pressing block 102 is provided with a second air port 15, the sealing block 101 is provided with a third air port (not shown), and after the upper mounting plate 1, the sealing block 101, the sealing pressing block 102 and the calibration plate 7 are sequentially and fixedly connected, the first air port (not shown), the second air port 15, the third air port (not shown) and the leakage calibration port 8 are sequentially communicated.
In this embodiment, the calibration plate 7 is further fixed with a product lifting prevention component 16, the product lifting prevention component 16 is fixed above the sealing calibration port 9, and the inside of the product lifting prevention component 16 is communicated with the sealing calibration port 9. The product lift prevention assembly 16 is used to prevent product from being pulled up after testing is completed.
In this embodiment, the two ends of the upper mounting plate 1 are both provided with guide posts 17, the corresponding positions of the carrier plate 3 are provided with guide sleeves 18, and after each guide post 17 is inserted into the corresponding guide sleeve 18, the upper mounting plate 1 is fixedly connected with the carrier plate 3. Through the looks adaptation grafting of guide post 17 and uide bushing 18, can make things convenient for the fixed of mounting panel 1 and lift off, improved the efficiency that detects the product greatly, can also realize the accurate counterpoint between upper film and the lower film.
The above disclosure is only a few specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be thought by those skilled in the art should fall within the protection scope of the present invention.
Claims (4)
1. The air tightness test fixture is characterized by comprising an upper mounting plate, a lower mounting plate and a carrier plate, wherein the carrier plate is provided with a placement groove for placing a product to be tested, the carrier plate is fixedly connected with the lower mounting plate after the upper mounting plate is fixedly connected with the carrier plate, and the upper mounting plate is provided with a test joint for testing the air tightness of the product; the upper mounting plate is also provided with a contrast joint for balancing the instrument, and the contrast joint is connected with the instrument contrast end; the air tightness products to be detected are accommodated in the accommodating groove, the test connector is used for carrying out air tightness test on the products, and the test connector is electrically connected with a differential pressure air tightness instrument, so that the tested data can be used for feeding back the leakage value of the products more fully, and the stability of the test data of the products is acted, and the test data is displayed on the equipment;
the positioning groove is internally provided with a calibration plate used for calibrating the clamp, a sealing assembly is further fixed between the calibration plate and the upper mounting plate, one end of the sealing assembly is inwards sunken to form a first connecting groove, the other end of the sealing assembly is outwards protruded to form a first connecting block, the corresponding ends of the upper mounting plate and the first connecting groove are outwards protruded to form a second connecting block matched with the first connecting groove in size, the corresponding ends of the calibration plate and the first connecting block are inwards sunken to form a second connecting groove matched with the first connecting block in size, and after the second connecting block is inserted into the first connecting groove and the first connecting block is inserted into the second connecting groove, the upper mounting plate, the sealing assembly and the calibration plate are sequentially and fixedly connected;
the product to be detected is not placed in the placement groove, and the calibration plate is also provided with a leakage calibration port and a sealing calibration port;
the calibration plate is also fixedly provided with a product lifting prevention component which is fixed above the sealing calibration port and is communicated with the sealing calibration port.
2. The air tightness test fixture according to claim 1, wherein the sealing assembly comprises a sealing block and a sealing pressing block, wherein the opposite ends of the sealing pressing block and the first connecting groove are outwards protruded to form a protruding block, the corresponding ends of the sealing block and the first connecting block are inwards recessed to form a recessed groove with the size matched with that of the protruding block, and the sealing block is fixedly connected with the sealing pressing block after the protruding block is inserted into the recessed groove.
3. The air tightness test fixture according to claim 2, wherein the second connecting block is provided with a first air port, two ends of the first air port are respectively communicated with the outside and the inside of the upper mounting plate, the sealing pressing block is provided with a second air port, the sealing block is provided with a third air port, and after the upper mounting plate, the sealing pressing block, the sealing block and the calibration plate are sequentially and fixedly connected, the first air port, the second air port, the third air port and the leakage calibration port are sequentially communicated.
4. The air tightness test fixture according to claim 1, wherein guide posts are arranged at two ends of the upper mounting plate, guide sleeves are arranged at corresponding positions of the carrier plate, and the upper mounting plate is fixedly connected with the carrier plate after each guide post is inserted into the corresponding guide sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216664.6A CN109163861B (en) | 2018-10-18 | 2018-10-18 | Air tightness test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216664.6A CN109163861B (en) | 2018-10-18 | 2018-10-18 | Air tightness test fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109163861A CN109163861A (en) | 2019-01-08 |
| CN109163861B true CN109163861B (en) | 2024-02-13 |
Family
ID=64878377
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811216664.6A Active CN109163861B (en) | 2018-10-18 | 2018-10-18 | Air tightness test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109163861B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203024946U (en) * | 2013-01-11 | 2013-06-26 | 重庆市新现科技发展有限公司 | Gas circuit system of air-leakage detector |
| CN204461686U (en) * | 2015-02-05 | 2015-07-08 | 尹高斌 | Product gas leakage inspection structure |
| JP2015158522A (en) * | 2015-06-11 | 2015-09-03 | トヨタ自動車株式会社 | Leak test method using differential pressure leak tester |
| CN206593818U (en) * | 2017-02-04 | 2017-10-27 | 歌尔股份有限公司 | A kind of air-tightness detection tool |
| CN206648790U (en) * | 2017-03-08 | 2017-11-17 | 深圳市四三一一检测有限公司 | A kind of calibrating installation of airtight leak detector |
| CN207675383U (en) * | 2017-12-22 | 2018-07-31 | 深圳市强瑞电子有限公司 | A kind of air-tightness tester |
| CN208999035U (en) * | 2018-10-18 | 2019-06-18 | 深圳市强瑞电子有限公司 | Air tightness test fixture |
-
2018
- 2018-10-18 CN CN201811216664.6A patent/CN109163861B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203024946U (en) * | 2013-01-11 | 2013-06-26 | 重庆市新现科技发展有限公司 | Gas circuit system of air-leakage detector |
| CN204461686U (en) * | 2015-02-05 | 2015-07-08 | 尹高斌 | Product gas leakage inspection structure |
| JP2015158522A (en) * | 2015-06-11 | 2015-09-03 | トヨタ自動車株式会社 | Leak test method using differential pressure leak tester |
| CN206593818U (en) * | 2017-02-04 | 2017-10-27 | 歌尔股份有限公司 | A kind of air-tightness detection tool |
| CN206648790U (en) * | 2017-03-08 | 2017-11-17 | 深圳市四三一一检测有限公司 | A kind of calibrating installation of airtight leak detector |
| CN207675383U (en) * | 2017-12-22 | 2018-07-31 | 深圳市强瑞电子有限公司 | A kind of air-tightness tester |
| CN208999035U (en) * | 2018-10-18 | 2019-06-18 | 深圳市强瑞电子有限公司 | Air tightness test fixture |
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| Publication number | Publication date |
|---|---|
| CN109163861A (en) | 2019-01-08 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 518000 1st to 5th floors of building C, No. 308, Wuhe Avenue, Zhangkengjing community, Guanhu street, Longhua District, Shenzhen City, Guangdong Province Applicant after: Shenzhen Qiangrui Precision Technology Co.,Ltd. Address before: Building 101, No. 243, Juling New Village, Jutang Community, Fucheng Street, Longhua District, Shenzhen City, Guangdong Province, 518000 Applicant before: SHENZHEN QIANGRUI ELECTRONICS Co.,Ltd. |
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