CN110346087A - A kind of air tightness testing device for filter case - Google Patents
A kind of air tightness testing device for filter case Download PDFInfo
- Publication number
- CN110346087A CN110346087A CN201910727717.9A CN201910727717A CN110346087A CN 110346087 A CN110346087 A CN 110346087A CN 201910727717 A CN201910727717 A CN 201910727717A CN 110346087 A CN110346087 A CN 110346087A
- Authority
- CN
- China
- Prior art keywords
- filter
- source box
- air source
- fixedly connected
- testing device
- 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.)
- Pending
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 33
- 238000012856 packing Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000741 silica gel Substances 0.000 claims description 3
- 229910002027 silica gel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 235000013399 edible fruits Nutrition 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000001914 filtration 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to a kind of air tightness testing device for filter case, including support base, air source box is fixedly connected with by first support bar at the top of the support base, top plate is fixedly connected with by second support bar at the top of the air source box, the top plate bottom is fixedly connected with hydraulic cylinder, the hydraulic cylinder internal slide is connected with hydraulic telescopic rod, and the hydraulic telescopic rod runs through air source box, the hydraulic telescopic rod bottom is fixedly connected with link block, the link block is fixedly connected with upper mold pressing plate by the first connection bolt, gas tube is equipped in the link block, air source box is connected by connecting tube at the top of the gas tube, precision instrument leak detector is equipped on the right side of the support base, and the precision instrument leak detector connects air source box by data line, single unit system is convenient to be sealed filter, air-leakage test effect Fruit is more preferable, while being convenient for changing mold and detecting to the filter of different size model numbers, reduces testing cost.
Description
Technical field
The present invention relates to a kind of air tightness testing device for filter case, belong to communications industry apparatus field.
Background technique
In communications industry, filter is usually used to the device for eliminating interference, and the frequency needed is made by filter action
Section passes through, thus the signal after being purified, since the environmental requirement to the external world of filter is very high, it usually needs with sealing
Filter housing carries out shielding external interference signal, so that filter is in normal working condition, this requires the machines of filter
The air-tightness of box enclosure is good, be provided on the shell of filter case it is multiple can external other component through-hole, to its entirety
Air-leakage test is then a difficult problem, while existing filter pneumatic sealing test device generally uses fixing mould, for difference
It is needed replacing when the filter air-leakage test of gauge size, improves testing cost.
Summary of the invention
The technical problem to be solved in the present invention overcomes existing defect, provides a kind of filter case air-leakage test dress
It sets, convenient to be sealed to filter, air-leakage test effect is more preferable, while being convenient for changing filter of the mold to different size model numbers
Wave device is detected, and testing cost is reduced, and can effectively solve the problems in background technique.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of air tightness testing device for filter case, including support base, the support base top pass through first support bar
It is fixedly connected with air source box, the air source box top is fixedly connected with top plate by second support bar, and the top plate bottom is fixed
It is connected with hydraulic cylinder, the hydraulic cylinder internal slide is connected with hydraulic telescopic rod, and the hydraulic telescopic rod runs through air source box, institute
It states hydraulic telescopic rod bottom and is fixedly connected with link block, the link block is fixedly connected with upper mold pressure by the first connection bolt
Plate, the link block is interior to be equipped with gas tube, passes through connecting tube at the top of the gas tube and connects air source box, the support base right side
Equipped with precision instrument leak detector, and the precision instrument leak detector connects air source box, the support by data line
Base top is fixedly connected with workbench, is provided with mold mounting groove in the middle part of the workbench, is equipped in the mold mounting groove
Elastic packing block, the mold installation trench bottom offer mold fixation hole, pass through the second connection spiral shell in the mold mounting groove
It tethers and is connected to filter fixing mould, filter placing groove is equipped in the filter fixing mould.
Furthermore, it is equipped with high-pressure pump inside the air source box, the gas tube connects high pressure gas by connecting tube
Pump.
Furthermore, the upper mold pressing plate is equipped with the through-hole to match with gas tube, and the gas tube is through logical
Hole connects upper mold pressing plate.
Furthermore, the precision instrument leak detector is equipped with switch, touch display screen.
Furthermore, the mold fixation hole connect bolt with second and matches.
Furthermore, the elastic packing block is set as silica gel material.
Furthermore, the elastic packing block is set as rubber material.
The invention has the advantages that: a kind of air tightness testing device for filter case, will suitably filter first when in use
Device fixing mould and upper mold pressing plate install, and so that filter fixing seal is existed by the decline of Driven by Hydraulic Cylinder hydraulic telescopic rod
In filter fixing mould, high pressure gas is poured by high-pressure pump, connecting tube, gas tube and is pressurizeed to filter, is passed through
Precision instrument leak detector detects the air-tightness of filter, when needing replacing mold, it is only necessary to connect by first
Connecting bolt, the second connection bolt removes filter fixing mould and upper mold pressing plate is replaced, more convenient, whole
Device is convenient to be sealed filter, and air-leakage test effect is more preferable, while being convenient for changing mold to different size model numbers
Filter is detected, and testing cost is reduced.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.
Fig. 1 is a kind of air tightness testing device for filter case structure chart of the present invention.
Fig. 2 is a kind of air tightness testing device for filter case hydraulic telescopic rod connection structure diagram of the present invention.
Fig. 3 is a kind of air tightness testing device for filter case workbench top view of the present invention.
Fig. 4 is a kind of filter case air-leakage test Working table structure figure of the present invention.
Figure label: 1, support base；2, first support bar；3, air source box；4, top plate；5, second support bar；6, hydraulic
Cylinder；7, workbench；8, connecting tube；9, hydraulic telescopic rod；10, link block；11, upper mold pressing plate；12, the first connection bolt；13,
Gas tube；14, data line；15, precision instrument leak detector；16, it switchs；17, touch display screen；18, elastic packing block；
19, filter fixing mould；20, filter placing groove；21, the second connection bolt；22, mold fixation hole；23, mold is installed
Slot.
Specific embodiment
The present invention is further illustrated With reference to embodiment, wherein attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent, tool in order to better illustrate the present invention
Body embodiment, the certain components of attached drawing have omission, zoom in or out, and the size of actual product are not represented, to this field skill
For art personnel, the omitting of some known structures and their instructions in the attached drawings are understandable, based on specific in the present invention
Embodiment, every other specific implementation obtained by those of ordinary skill in the art without making creative efforts
Mode shall fall within the protection scope of the present invention.
Embodiment 1
As shown in Figs 1-4, a kind of air tightness testing device for filter case, including support base 1,1 top of support base
It is fixedly connected with air source box 3 by first support bar 2, passes through second support bar 5 at the top of the air source box 3 and is fixedly connected with top plate
4,4 bottom of top plate is fixedly connected with hydraulic cylinder 6, and 6 internal slide of hydraulic cylinder is connected with hydraulic telescopic rod 9, and described
Hydraulic telescopic rod 9 runs through air source box 3, and 9 bottom of hydraulic telescopic rod is fixedly connected with link block 10, and the link block 10 passes through
First connection bolt 12 is fixedly connected with upper mold pressing plate 11, is equipped with gas tube 13, the gas tube 13 in the link block 10
Top connects air source box 3 by connecting tube 8, and precision instrument leak detector 15, and the essence are equipped on the right side of the support base 1
Close instrument leak detector 15 connects air source box 3 by data line 14, is fixedly connected with workbench 7 at the top of the support base 1,
It is provided with mold mounting groove 23 in the middle part of the workbench 7, is equipped with elastic packing block 18, the mold in the mold mounting groove 23
23 bottom of mounting groove offers mold fixation hole 22, connects bolt 21 by second in the mold mounting groove 23 and is connected with filtering
Device fixing mould 19, the filter fixing mould 19 is interior to be equipped with filter placing groove 20.
In the present embodiment, high-pressure pump is equipped with inside the air source box 3, the gas tube 13 is connected by connecting tube 8
High-pressure pump generates gas high pressure by high-pressure pump, carries out pressurization detection to filter using gas tube 13, wherein connecting tube
Valve is also connected on 8, for adjusting air pressure.
In the present embodiment, the upper mold pressing plate 11 is equipped with the through-hole to match with gas tube 13, the gas tube
13 connect upper mold pressing plate 11 through through-hole.
In the present embodiment, the precision instrument leak detector 15 is equipped with switch 16, touch display screen 17, facilitates control
Precision instrument leak detector 15 processed.
In the present embodiment, the mold fixation hole 22 connect bolt 21 with second and matches, convenient for passing through the second connection
Bolt 21 replaces filter fixing mould 19, convenient to detect to the filter of different size model numbers.
In the present embodiment, the elastic packing block 18 is set as silica gel material.
Embodiment 2
In the present embodiment, the elastic packing block 18 is set as rubber material, using rubber material, effectively fixes to filter
Mold 19 is sealed, and improves leakproofness when filter detection, and testing result is more accurate.
The present invention improve in:
A kind of air tightness testing device for filter case, when in use first by suitable filter fixing mould 19 and upper mold
Tool pressing plate 11 installs, and drives the decline of hydraulic telescopic rod 9 to make filter fixing seal in filter fixing mould by hydraulic cylinder 6
On 19, high pressure gas is poured by high-pressure pump, connecting tube 8, gas tube 13 and is pressurizeed to filter, is let out by precision instrument
Dew detector 15 air-tightness of filter is detected, when needing replacing mold, it is only necessary to by first connection bolt 12,
Second connection bolt 21 removes filter fixing mould 19 and upper mold pressing plate 11 is replaced, more convenient, whole
Device is convenient to be sealed filter, and air-leakage test effect is more preferable, while being convenient for changing mold to different size model numbers
Filter is detected, and testing cost is reduced.
The above are the preferable embodiments of the present invention, and basic principles and main features of the invention have been shown and described above
And advantages of the present invention, It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, above-described embodiment
It is merely illustrated the principles of the invention with described in specification, without departing from the spirit and scope of the present invention, the present invention
Various change and improvement are also had, these changes and improvements all fall within the protetion scope of the claimed invention, the present invention claims
Protection scope is defined by the appending claims and its equivalent thereof.
Claims (7)
1. a kind of air tightness testing device for filter case, including support base (1), it is characterised in that: the support base (1)
Top is fixedly connected with air source box (3) by first support bar (2), solid by second support bar (5) at the top of the air source box (3)
Surely it is connected with top plate (4), top plate (4) bottom is fixedly connected with hydraulic cylinder (6), hydraulic cylinder (6) the internal slide connection
Have hydraulic telescopic rod (9), and the hydraulic telescopic rod (9) runs through air source box (3), hydraulic telescopic rod (9) bottom is fixed to be connected
It is connected to link block (10), the link block (10) is fixedly connected with upper mold pressing plate (11), institute by the first connection bolt (12)
It states in link block (10) and is equipped with gas tube (13), pass through connecting tube (8) connection air source box (3), institute at the top of the gas tube (13)
It states and is equipped with precision instrument leak detector (15) on the right side of support base (1), and the precision instrument leak detector (15) passes through
Data line (14) connects air source box (3), is fixedly connected with workbench (7) at the top of the support base (1), the workbench (7)
Middle part is provided with mold mounting groove (23), is equipped with elastic packing block (18) in the mold mounting groove (23), the mold installation
Slot (23) bottom offers mold fixation hole (22), is connected in the mold mounting groove (23) by the second connection bolt (21)
Filter fixing mould (19), the filter fixing mould (19) is interior to be equipped with filter placing groove (20).
2. a kind of air tightness testing device for filter case according to claim 1, it is characterised in that: the air source box
(3) internal to be equipped with high-pressure pump, the gas tube (13) connects high-pressure pump by connecting tube (8).
3. a kind of air tightness testing device for filter case according to claim 1, it is characterised in that: the upper mold pressure
Plate (11) is equipped with the through-hole to match with gas tube (13), and the gas tube (13) connects upper mold pressing plate through through-hole
(11)。
4. a kind of air tightness testing device for filter case according to claim 1, it is characterised in that: the precision instrument
Leak detector (15) is equipped with switch (16), touch display screen (17).
5. a kind of air tightness testing device for filter case according to claim 1, it is characterised in that: the mold is fixed
Hole (22) connect bolt (21) with second and matches.
6. a kind of air tightness testing device for filter case according to claim 1, it is characterised in that: the elastic packing
Block (18) is set as silica gel material.
7. a kind of air tightness testing device for filter case according to claim 1, it is characterised in that: the elastic packing
Block (18) is set as rubber material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727717.9A CN110346087A (en) | 2019-08-07 | 2019-08-07 | A kind of air tightness testing device for filter case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910727717.9A CN110346087A (en) | 2019-08-07 | 2019-08-07 | A kind of air tightness testing device for filter case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110346087A true CN110346087A (en) | 2019-10-18 |
Family
ID=68184266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910727717.9A Pending CN110346087A (en) | 2019-08-07 | 2019-08-07 | A kind of air tightness testing device for filter case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110346087A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216630A (en) * | 2022-02-18 | 2022-03-22 | 常州江苏大学工程技术研究院 | Air tightness detection device for filter cavity |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204286721U (en) * | 2014-12-29 | 2015-04-22 | 宁波华瓷通信技术有限公司 | A kind of air-tightness testing device |
| CN207675387U (en) * | 2018-01-04 | 2018-07-31 | 重庆安木科技有限公司 | single-station sealing test system |
| CN210071243U (en) * | 2019-08-07 | 2020-02-14 | 迈特通信设备（苏州）有限公司 | Filter case airtightness detection device |
-
2019
- 2019-08-07 CN CN201910727717.9A patent/CN110346087A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204286721U (en) * | 2014-12-29 | 2015-04-22 | 宁波华瓷通信技术有限公司 | A kind of air-tightness testing device |
| CN207675387U (en) * | 2018-01-04 | 2018-07-31 | 重庆安木科技有限公司 | single-station sealing test system |
| CN210071243U (en) * | 2019-08-07 | 2020-02-14 | 迈特通信设备（苏州）有限公司 | Filter case airtightness detection device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216630A (en) * | 2022-02-18 | 2022-03-22 | 常州江苏大学工程技术研究院 | Air tightness detection device for filter cavity |
| CN114216630B (en) * | 2022-02-18 | 2022-04-29 | 常州江苏大学工程技术研究院 | Air tightness detection device for filter cavity |
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