CN209673343U - A kind of bellows low pressure life test apparatus - Google Patents
A kind of bellows low pressure life test apparatus Download PDFInfo
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- CN209673343U CN209673343U CN201920348287.5U CN201920348287U CN209673343U CN 209673343 U CN209673343 U CN 209673343U CN 201920348287 U CN201920348287 U CN 201920348287U CN 209673343 U CN209673343 U CN 209673343U
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- plate
- bellows
- lower plate
- upright bar
- solenoid valve
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- 238000012360 testing method Methods 0.000 title claims abstract description 18
- 239000011521 glass Substances 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The utility model discloses a kind of bellows low pressure life test apparatus, it include: rack, lower plate, upright bar, limited block, mounting plate, bellows, glass outer, upper plate, nut, gas-tpe fitting, air pump, solenoid valve, tracheae, single-chip microcontroller, lower plate is cylindrical plate, and lower plate outer ring side is uniformly opened there are four through-hole, and a upright bar is vertically arranged in each through-hole, the lower end of upright bar extends downwardly the affixed limited block of lower plate and end, bellows is mounted at mounting plate, glass outer is fixed in lower plate upper surface and covers bellows, each upright bar is stretched out upwards is threadedly coupled a nut at the threaded portion of upper plate, upper plate, glass outer and lower plate constitute a sealing space, an affixed gas-tpe fitting at upper plate center, air pump is connect by pipeline with solenoid valve, solenoid valve is connect by tracheae with gas-tpe fitting, and pacify on tracheae A pressure gauge is filled, solenoid valve, pressure gauge pass through signal wire and connect with single-chip microcontroller.It is the utility model structure novel, easy to use.
Description
Technical field
The utility model relates to a kind of bellows low pressure life test apparatus, are applied to bellows detection technique field.
Background technique
What bellows was accustomed to again is cried by people as capacitance sensor.When measuring non-electrical amount with electrical measuring method it may first have to will be by
The non-electrical amount surveyed is converted to electrical quantities and then inputs it.Usually the element that non-electrical quantitative change changes electrical quantities into is known as converting
Device；It is known as sensor according to the related conversion equipment that the characteristics of different non-electrical amounts is designed to, and tested mechanical quantity is (such as position
Shifting, power, speed etc.) scales of capacitance variations are converted into as capacitance sensor.Bellows after processing is completed, is needed to its longevity
Life is detected, and in life tests, number reaches ten tens of thousands of times bellows, and bellows life test apparatus currently on the market is most
Pressure testing is carried out to it by cylinder, need to be by cylinder reciprocal telescopic piston rod, larger to cylinder damage, equipment cost is big, therefore
It is necessary to design a kind of novel bellows life test apparatus.
Utility model content
For the defect for solving prior art, the utility model discloses a kind of bellows low pressure life test apparatus, tools
There is province's structure novel, easy to use.
The utility model discloses a kind of bellows low pressure life test apparatus, comprising: rack, lower plate, upright bar, limited block,
Mounting plate, bellows, glass outer, upper plate, nut, gas-tpe fitting, air pump, solenoid valve, tracheae, single-chip microcontroller, the lower plate are placed in
Top on the right side of rack, the lower plate are cylindrical plate, and lower plate outer ring side uniformly opens that there are four through-holes, and in each through-hole
It is vertically arranged a upright bar, the lower end of the upright bar extends downwardly the affixed limited block of lower plate and end, and the mounting plate is solid
It connects at lower plate upper surface center, the bellows is mounted at mounting plate, and the glass outer is fixed in lower plate upper surface and by film
Box cover is lived, and the upper plate is provided with the through-hole passed through for upright bar, and the upright bar top is threaded portion and is upward through upper plate, Mei Geli
Bar stretches out upwards is threadedly coupled a nut at the threaded portion of upper plate, upper plate is fixed on above glass outer by the nut,
The upper plate, glass outer and lower plate constitute a sealing space, an affixed gas-tpe fitting at the upper plate center, the gas
Pump is mounted on the left of rack, and the air pump is connect by pipeline with solenoid valve, and the solenoid valve is connected by tracheae and gas-tpe fitting
It connects, and a pressure gauge is installed on tracheae, the solenoid valve, pressure gauge pass through signal wire and connect with single-chip microcontroller.
Clear size of opening in the lower plate matches with upright bar.
The position that the upper plate corresponds to gas-tpe fitting is provided with through hole.
The tracheae is hose.
Using the technical program, have the advantage that
1, structure novel；
2, easy to use.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of bellows low pressure life test apparatus of the utility model.
Wherein: 1- rack；2- lower plate；3- upright bar；4- limited block；5- mounting plate；6- bellows；7- glass outer；8- upper plate；
9- nut；10- gas-tpe fitting；11- air pump；12- solenoid valve；13- tracheae；14- single-chip microcontroller；The threaded portion 41-；131- pressure gauge.
Specific embodiment
As shown in Figure 1, the utility model discloses a kind of bellows low pressure life test apparatus, comprising: rack 1, lower plate 2,
Upright bar 3, limited block 4, mounting plate 5, bellows 6, glass outer 7, upper plate 8, nut 9, gas-tpe fitting 10, air pump 11, solenoid valve 12,
Tracheae 13, single-chip microcontroller 14, the lower plate 2 are placed in the right side of rack 1 top, and the lower plate 2 is cylindrical plate, and 2 outer ring one of lower plate
Side is uniformly opened there are four through-hole, and a upright bar 3 is vertically arranged in each through-hole, and the lower end of the upright bar 3 extends downwardly down
The affixed limited block 4 of plate 2 and end, the mounting plate 5 are fixed in 2 upper surface center of lower plate, and the bellows 6 is mounted on installation
At plate 5, the glass outer 7 is fixed in 2 upper surface of lower plate and covers bellows 6, and the upper plate 8 is provided with to be passed through for upright bar 3
Through-hole, 3 top of upright bar is threaded portion 41 and is upward through upper plate 8, and the threaded portion 41 of upper plate 8 is stretched out in each upright bar 3 upwards
Place is threadedly coupled a nut 9, and upper plate 8 is fixed on 7 top of glass outer, the upper plate 8, glass outer 7 by the nut 9
And lower plate 2 constitutes a sealing space, an affixed gas-tpe fitting 10 at 8 center of upper plate, the air pump 11 is mounted on machine
1 left side of frame, the air pump 11 are connect by pipeline with solenoid valve 12, and the solenoid valve 12 is connected by tracheae 13 and gas-tpe fitting 10
It connects, and a pressure gauge 131 is installed on tracheae 13, the solenoid valve 12, pressure gauge 131 are connected by signal wire and single-chip microcontroller 14
It connects.
Clear size of opening in the lower plate 2 matches with upright bar 3.
The position that the upper plate 8 corresponds to gas-tpe fitting 10 is provided with through hole.
The tracheae 13 is hose.
The utility model is implemented: in test, bellows 6 being placed on mounting plate 5 first, is then covered
Plate 8, and nut 9 is tightened, make to constitute a sealing space between upper plate 8, glass outer 7 and lower plate 2, then sets solenoid valve 12
High level and low value needed for commutation control solenoid valve 12 by single-chip microcontroller 14 and act, and booster air pump 11, pressure gauge 131 is for examining
Pressure in eudiometer 13 is inflated by solenoid valve 12 into tracheae 13 when insufficient pressure, forms air pressure, air pressure is to bellows 6
Press, the compression of elastic element on bellows 6, when pressurising for a period of time after, pressure is higher than high level, and solenoid valve 12 commutates side by side
Gas, the elastic element stretching, extension on bellows 6, when pressure release to pressure is lower than low value, and continues pressurising, repeats the above process at this time,
The testing inspection of bellows can be completed.Using the technical program, operating pressure is in 0.4Mpa hereinafter, being carried out using low pressure to bellows
Detection, is tested instead of cylinder, can save equipment cost and convenience and high-efficiency.
Finally, it should be noted that above embodiments are only to illustrate the utility model and not limit the utility model and retouched
The technical solution stated；Therefore, although this specification the utility model is had been carried out referring to above-mentioned each embodiment it is detailed
Illustrate, still, those skilled in the art should understand that, it still can modify to the utility model or equally replace
It changes；And the technical solution and its improvement of all spirit and scope for not departing from the utility model, it should all cover practical new at this
In the scope of the claims of type.
Claims (4)
1. a kind of bellows low pressure life test apparatus, comprising: rack, lower plate, upright bar, limited block, mounting plate, bellows, outside glass
Cover, upper plate, nut, gas-tpe fitting, air pump, solenoid valve, tracheae, single-chip microcontroller, the lower plate is placed in top on the right side of rack, under described
Plate is cylindrical plate, and lower plate outer ring side uniformly opens that there are four through-holes, and a upright bar is vertically arranged in each through-hole,
Be characterized in that: the lower end of the upright bar extends downwardly the affixed limited block of lower plate and end, and the mounting plate is fixed in lower plate
Upper surface center, the bellows are mounted at mounting plate, and the glass outer is fixed in lower plate upper surface and covers bellows, institute
It states upper plate and is provided with the through-hole passed through for upright bar, the upright bar top is threaded portion and is upward through upper plate, and each upright bar is stretched upwards
A nut is threadedly coupled at the threaded portion of upper plate out, upper plate is fixed on above glass outer by the nut, the upper plate,
Glass outer and lower plate constitute a sealing space, an affixed gas-tpe fitting at the upper plate center, and the air pump is mounted on
On the left of rack, the air pump is connect by pipeline with solenoid valve, and the solenoid valve is connect by tracheae with gas-tpe fitting, and tracheae
One pressure gauge of upper installation, the solenoid valve, pressure gauge pass through signal wire and connect with single-chip microcontroller.
2. a kind of bellows low pressure life test apparatus according to claim 1, it is characterised in that: logical in the lower plate
Pore size matches with upright bar.
3. a kind of bellows low pressure life test apparatus according to claim 1, it is characterised in that: the upper plate corresponds to
The position of gas-tpe fitting is provided with through hole.
4. a kind of bellows low pressure life test apparatus according to claim 1, it is characterised in that: the tracheae is soft
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348287.5U CN209673343U (en) | 2019-03-19 | 2019-03-19 | A kind of bellows low pressure life test apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920348287.5U CN209673343U (en) | 2019-03-19 | 2019-03-19 | A kind of bellows low pressure life test apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209673343U true CN209673343U (en) | 2019-11-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920348287.5U Active CN209673343U (en) | 2019-03-19 | 2019-03-19 | A kind of bellows low pressure life test apparatus |
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| Country | Link |
|---|---|
| CN (1) | CN209673343U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033662A (en) * | 2020-09-21 | 2020-12-04 | 北京海德利森科技有限公司 | Diaphragm capsule life test system |
-
2019
- 2019-03-19 CN CN201920348287.5U patent/CN209673343U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112033662A (en) * | 2020-09-21 | 2020-12-04 | 北京海德利森科技有限公司 | Diaphragm capsule life test system |
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