CN105841900B - A kind of bellows air-leakage test jig - Google Patents
A kind of bellows air-leakage test jig Download PDFInfo
- Publication number
- CN105841900B CN105841900B CN201610205805.9A CN201610205805A CN105841900B CN 105841900 B CN105841900 B CN 105841900B CN 201610205805 A CN201610205805 A CN 201610205805A CN 105841900 B CN105841900 B CN 105841900B
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- bellows
- inner cavity
- cylinder
- sliding rail
- wall
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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
- G01M3/28—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
Abstract
The present invention provides a kind of bellows air-leakage test jig, it is characterized by comprising pedestal, the inner cavity block head being fixed on the base and outer wall sealed holding components, there is the gap of the end insertion for bellows between inner cavity block head and outer wall sealed holding component, inner cavity block head is equipped with injecting hole, outer wall sealed holding component has the stationary gripping part of split settings, sliding clamping part, driving sliding clamping part process or the outer wall equipped with the first cylinder, when sliding clamping part process with stationary gripping part cooperation sealed holding corrugated tube end for moving back journey.The present invention is sealed pipe end by inner cavity block head and outer wall sealed holding component, inner cavity of pipe is set to form enclosure space, gas is injected into closing inner chamber from injecting hole, the air-tightness of bellows is detected by testing the pressure change of inner cavity, it is structure novel, easy to operate, the precision instrument of detection pressure can be cooperated to reach the high-precision of air-leakage test and the high consistency of bellows batch detection.
Description
Technical field
The invention belongs to bellows air-leakage test technical fields, and in particular to a kind of bellows air-leakage test jig.
Background technique
Existing bellows detection method is generally detected by hydraulic pressure, and detection means is that bellows both ends to be detected are close
Envelope, is placed in water after pressurization, judges whether tube body leaks according to whether there is or not blisterings, the air-tightness of bellows is detected with this.
Water inspection operating efficiency is low, and detection accuracy is low, the detection needs of requirements for high precision bellows is not achieved, while water inspection can also be with water
The waste of resource and the pollution of water resource.
In addition, the mode of industry also paid gas testing inspection detects the air-tightness of pipeline, air-leakage test jig is also thus generated,
But existing air-leakage test jig is detected both for rigid conduit and is made, and for bellows or even other elastic tubes
Do not detect jig accordingly, rigid conduit detection jig is not suitable for detecting bellows.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of bellows air-leakage test jig, structure novel, detection
Conveniently, the batch detection consistency of bellows is good.
In order to achieve the above objectives, technical scheme is as follows: a kind of bellows air-leakage test jig, feature exist
In: including pedestal, the inner cavity block head being fixed on the base and outer wall sealed holding component, the inner cavity block head and outer wall are close
The gap that there is the end for the bellows to be inserted into is sealed between clamp assemblies, and the inner cavity block head is equipped with injecting hole, institute
Stationary gripping part and sliding clamping part of the outer wall sealed holding component with split settings are stated, drives the sliding clamping part sliding
First cylinder that is equipped with of journey is moved back in dynamic process or sliding, when the sliding clamping part process with stationary gripping part cooperation sealing
Clamp the outer wall of the corrugated tube end.
It further comprise that sliding rail bottom is fixed with by support frame on the pedestal in a preferred embodiment of the present invention
Plate, the sliding rail bottom plate are equipped with first straight line sliding rail, and the outer wall sealed holding component can be slided along first straight line sliding rail
Setting on the sliding rail bottom plate.
It further comprise that the stationary gripping part is equipped with positioning fixed block in a preferred embodiment of the present invention, it is described
Inner cavity block head is fixed on the positioning fixed block, and the air inlet setting of the injecting hole is on positioning fixed block.
In a preferred embodiment of the present invention, further comprise the pedestal be equipped with second straight line sliding rail, described second
The extending direction of line slide rail is identical as the extending direction of first straight line sliding rail, and the sliding clamping part can be sliding along second straight line
The mobile setting of rail is on the base.
It further comprise that the cylinder barrel of first cylinder is fixed on the base in a preferred embodiment of the present invention, it is described
Sliding clamping part is fixed on the piston rod of the first cylinder.
In a preferred embodiment of the present invention, further comprises that the pedestal is equipped with supporting block, be fixed on the support
On block be equipped with the second cylinder, be fixed on second cylinder piston rod be equipped with oiliness identification pencil, second cylinder into
Oiliness identification pencil can contact the outer wall of the bellows when journey.
It further comprise that the stationary gripping part has semicircular first clamping opening in a preferred embodiment of the present invention,
The sliding clamping part has semicircular second clamping opening, and the first clamping opening and the second clamping opening seal when the sliding clamping part process
Clamp the end of the bellows.
The beneficial effects of the present invention are: a kind of 1, bellows air-leakage test jig of the invention, passes through inner cavity block head
Pipe end is sealed with outer wall sealed holding component, so that inner cavity of pipe is formed enclosure space, from injecting hole into closing
Intracavitary injection gas detects the air-tightness of bellows, structure novel, easy to operate, energy by testing the pressure change of inner cavity
The precision instrument of enough cooperation detection pressure reaches the high-precision of air-leakage test and the high consistency of bellows batch detection；
2, considering to inject in gas process to inner cavity of pipe, bellows can be shaken under air pressure impact force action, this
The outer wall sealed holding component generally movable part of invention optimization design can overcome in detection process relative to fixed setting
The shake of bellows is damaged to bellows bring.
Detailed description of the invention
It in order to more clearly illustrate the technical solutions in the embodiments of the present invention, below will be in embodiment technical description
Required attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the invention
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram of first embodiment of the invention；
Fig. 2 is the schematic perspective view of second embodiment of the invention；
Fig. 3 is the overlooking structure diagram of second embodiment of the invention.
Wherein: 1- bellows, 2- pedestal, the inner cavity 4- block head, 6- injecting hole, 8- stationary gripping part, 10- sliding clamping
Portion, the first cylinder of 12-, 14- sliding rail bottom plate, 16- position fixed block, 18- second straight line sliding rail, 20- supporting block, the second gas of 22-
Cylinder, 24- oiliness identification pencil, the first clamping opening of 26-, the second clamping opening of 28-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, a kind of bellows air-leakage test jig is disclosed in the present embodiment, for cooperating two mouthfuls of waves of detection
The air-tightness of line pipe, including pedestal 2, the inner cavity block head 4 being fixed on pedestal 2 and outer wall sealed holding component, the inner cavity
There is the gap that the end for the bellows 1 is inserted into, the inner cavity block head between block head 4 and outer wall sealed holding component
It is equipped with injecting hole 6.Cooperation detects two mouthfuls of bellows, sets that there are two inner cavity block heads 4 and two outer walls sealings on pedestal 2
Clamp assemblies, an end of an inner cavity block head 4 and an outer wall sealed holding component cooperation sealed holding bellows 1,
Inner cavity block head 4 is inserted into inner cavity from the end of bellows 1, is then pressed from both sides bellows 1 and inner cavity block head 4 by outer wall clamp assemblies
It holds together, plays the role of blocking locking outlet.Two inner cavity block heads 4 and two outer wall sealed holding component cooperation sealings
Clamp two ends of bellows 1.After the both ends of bellows 1 are blocked, inner cavity of pipe forms enclosure space, by injecting hole 6
Gas is injected into closing inner chamber, detects the air-tightness of bellows 1 by testing the pressure change of inner cavity.
Specifically, the outer wall sealed holding component has the stationary gripping part 8 and sliding clamping part 10 of split settings,
Drive it is described sliding 10 sliding process of clamping part or sliding move back journey be equipped with one first cylinder 12, wherein first cylinder
12 cylinder barrel is fixed on pedestal 2, and the sliding clamping part 10 is fixed on the piston rod of the first cylinder 12.The present invention is according to reality
The installation on border needs, on pedestal 2 by screw or bolt attaching nut be detachably fixed mode be fixed with support profile and
Fixed profile, for stationary gripping part 8 and sliding clamping part 10 to be fixed on pedestal 2, when sliding 10 process of clamping part
With the outer wall of 1 end of bellows described in the stationary gripping part 8 cooperation sealed holding.First cylinder 12 constitutes driving force and pushes cunning
Dynamic clamping part 10 is mobile simultaneously to be cooperated with stationary gripping part 8 and grips the end part seal of bellows 1, the present invention preferably but not office
It is limited to cylinder as driving part to push and compress sliding clamping part 10, clamping is stablized, and it is at low cost, while making the system of jig
It is easily achieved as process；Certainly can also can equally reach the present invention by the way of the drivings such as hydraulic cylinder, motor to push and press from both sides
Tight effect.
Further, the stationary gripping part 8 has semicircular first clamping opening 26, and the sliding clamping part 10 has half
Circular second clamping opening 28, ripple described in 28 sealed holding of the first clamping opening 26 and the second clamping opening when sliding 10 process of clamping part
The end of pipe 1 cooperates the end of bellows circular configuration, and the first clamping opening 26 and the second clamping opening 28 are all made of semicircular structure, make
Both just the end of bellows 1 is engaged in when being combined in, conducive to the sealed clamping for ensuring corrugated tube end.
As a further improvement of the present invention, a sliding rail bottom plate 14 is fixed with by support frame 30 on the pedestal 2,
The sliding rail bottom plate 14 is equipped with a first straight line sliding rail (not shown), and the outer wall sealed holding component can be along first straight line
On the sliding rail bottom plate 14, the stationary gripping part 8 is equipped with a positioning fixed block 16, the inner cavity for the setting of sliding rail sliding
Block head 4 is fixed on the positioning fixed block 16, and the entrance setting of the injecting hole 6 is on positioning fixed block 16.The present invention
When for cooperating the air-tightness of two mouthfuls of bellowss of detection, it being preferably provided with a sliding rail bottom plate 14, there is an outer wall sealed holding group
The setting that part can slide is on sliding rail bottom plate 14, and another outer wall sealed holding component is integrally attached to the bottom plate of pedestal 2
On, another inner cavity block head 4 is fixed in the stationary gripping part 8 of matched outer wall sealed holding component.Consider to wave
1 inner cavity of line pipe is injected in gas process, and bellows 1 can be shaken under air pressure impact force action, optimization design of the present invention
Movable outer wall sealed holding component can overcome in detection process with certain degree of allowing when work relative to fixed setting
The shake of bellows 1 is damaged to 1 bring of bellows.By the first straight line sliding rail being further arranged, outer wall sealing is constituted
The track of clamp assemblies sliding, the movement of outer wall sealed holding component is oriented to this, avoids its random movement.
As a further improvement of the present invention, the pedestal 2 is equipped with a second straight line sliding rail 18, and the second straight line is sliding
The extending direction of rail 18 is identical as the extending direction of first straight line sliding rail, and the sliding clamping part 10 can be along second straight line sliding rail
18 mobile settings are on the pedestal 2.The sliding trace that second straight line sliding rail 18 carrys out limit slippage clamping part 10 is set, with this
Come ensure slide clamping part 10 clamp bellows 1 to moderate.
As a further improvement of the present invention, the pedestal 2 is equipped with a supporting block 20, is fixed in the supporting block 20
Be equipped with one second cylinder 22, be fixed on 22 piston rod of the second cylinder be equipped with an oiliness identification pencil 24, described second
Oiliness identification pencil 24 can contact the outer wall of the bellows 1 when process cylinder 22.Oiliness identification pencil 24 is used in bellows
Outer wall when air-leakage test qualification in bellows gets mark ready.
Embodiment two
As shown in Fig. 2, a kind of bellows air-leakage test jig is disclosed in the present embodiment, for cooperating three mouthfuls of waves of detection
The air-tightness of line pipe, the difference that the detection jig of embodiment two detects jig compared to embodiment one are only that: cooperation detection three
Mouthful bellows, set on pedestal 2 there are three inner cavity block head 4 and three outer wall sealed holding components, three inner cavity block heads 4 are equal
It is fixed in the stationary gripping part 8 of matched outer wall sealed holding component, two of them outer wall sealed holding component is fixed
It is arranged on pedestal 2, wherein third outer wall sealed holding component integrally can be along the setting that first straight line sliding rail moves in cunning
On orbiting end plate 14, what the sliding clamping part 10 of two outer wall sealed holding components can be moved along respective second straight line sliding rail 18
It is arranged on pedestal 2, the sliding clamping part 10 of an outer wall sealed holding component can be moved along corresponding second straight line sliding rail 18
Dynamic setting is on sliding rail bottom plate 14.
Certainly, according to actually detected needs, detection jig of the invention can become according to the quantity of bellows nozzle
The quantity for changing inner cavity block head 4 and outer wall sealed holding component enables the bellows (number of nozzle suitable for plurality of specifications
Amount is different) air-leakage test.
Based on above structure, the installment work process that detection jig of the invention completes bellows air-leakage test is as follows:
By the end sleeve of 1 one nozzles of bellows on first inner cavity block head 4, it will then be cased with the bellows 1 of inner cavity block head 4
It is clipped in the first clamping opening 26, control starting 12 process of the first cylinder, so that the second clamping opening 28 cooperates the first clamping opening 26 to clamp ripple
The outer wall of pipe 1 clamps other nozzles of bellows 1 respectively according to above-mentioned same step, then injects gas from injecting hole 6
Body, then the precision instrument of detection pressure is cooperated to carry out air-leakage test to bellows.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (5)
1. a kind of bellows air-leakage test jig, it is characterised in that: close including pedestal, multiple groups inner cavity block head and multiple groups outer wall
Clamp assemblies are sealed, between there is the end for the bellows to be inserted between the inner cavity block head and outer wall sealed holding component
Gap, the inner cavity block head be equipped with injecting hole, the outer wall sealed holding component have split settings stationary gripping part and
Clamping part is slided, the sliding clamping part sliding process or sliding is driven to move back first cylinder that is equipped with of journey, the sliding clamping
Cooperate the outer wall of corrugated tube end described in sealed holding when portion's process with the stationary gripping part；
Sliding rail bottom plate is fixed with by support frame on the pedestal, the sliding rail bottom plate is equipped with first straight line sliding rail, until
Outer wall sealed holding component described in few one group can along the setting that the first straight line sliding rail slides on the sliding rail bottom plate, with
The shake of bellows in detection process is overcome to damage to bellows bring；
The pedestal is equipped with second straight line sliding rail, the extension of the extending direction and first straight line sliding rail of the second straight line sliding rail
Direction is identical, and at least one set of outer wall sealed holding component is set on pedestal, and sliding clamping part can be along second straight line
The mobile setting of sliding rail is on the base.
2. a kind of bellows air-leakage test jig according to claim 1, it is characterised in that: in the stationary gripping part
Equipped with positioning fixed block, the inner cavity block head is fixed on the positioning fixed block, and the air inlet setting of the injecting hole exists
It positions on fixed block.
3. a kind of bellows air-leakage test jig according to claim 1, it is characterised in that: the cylinder of first cylinder
Cylinder is fixed on the base, and the sliding clamping part is fixed on the piston rod of the first cylinder.
4. a kind of bellows air-leakage test jig according to claim 1-3, it is characterised in that: the pedestal
It is equipped with supporting block, is fixed in the supporting block and is equipped with the second cylinder, be fixed on setting on second cylinder piston rod
There is an oiliness identification pencil, oiliness identification pencil can contact the outer wall of the bellows when second process cylinder.
5. a kind of bellows air-leakage test jig according to claim 4, it is characterised in that: the stationary gripping part tool
There is semicircular first clamping opening, the sliding clamping part has semicircular second clamping opening, the when the sliding clamping part process
The end of bellows described in one clamping opening and the second clamping opening sealed holding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205805.9A CN105841900B (en) | 2016-04-05 | 2016-04-05 | A kind of bellows air-leakage test jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610205805.9A CN105841900B (en) | 2016-04-05 | 2016-04-05 | A kind of bellows air-leakage test jig |
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| CN105841900A CN105841900A (en) | 2016-08-10 |
| CN105841900B true CN105841900B (en) | 2019-09-20 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768658A (en) * | 2017-02-19 | 2017-05-31 | 无锡华利达金属制品有限公司 | A kind of bellows gas tightness testing machine |
| CN109227434B (en) * | 2018-10-12 | 2024-04-02 | 珠海格力智能装备有限公司 | Clamping mechanism and pipe fitting detection system with same |
| CN112595473A (en) * | 2020-12-25 | 2021-04-02 | 山东金飞智能检测设备有限公司 | Special detection device for testing tightness of medical trachea cannula body |
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| KR100927045B1 (en) * | 2008-06-24 | 2009-11-17 | (주)파인텍 | The pressure and crock testing device for a bellows pipe |
| CN205027499U (en) * | 2015-09-30 | 2016-02-10 | 江苏奥力威传感高科股份有限公司 | Engine intake manifold air tightness testing device |
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| KR101372527B1 (en) * | 2013-01-14 | 2014-03-13 | 이명수 | Vacuum leak check device of Vacuum type bellows |
| CN203629773U (en) * | 2013-11-22 | 2014-06-04 | 玉环县金龙欧浴洁具有限公司 | Metal corrugated pipe digital-display automatic leakage testing machine |
| CN105300598B (en) * | 2014-06-24 | 2017-10-31 | 杭州新松机器人自动化有限公司 | One kind upset sealing test and marking device |
| CN205027496U (en) * | 2015-08-28 | 2016-02-10 | 高精科技(苏州)有限公司 | Clean shower nozzle leakproofness detection device |
| CN205120313U (en) * | 2015-09-18 | 2016-03-30 | 济南慧成铸造有限公司 | Gas tightness is pressed automation of equipment of examining and is beaten mark device |
| CN105424354A (en) * | 2015-12-30 | 2016-03-23 | 慈溪市天行电器有限公司 | Dual-channel proportional valve automatic action performance and leak testing machine |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100927045B1 (en) * | 2008-06-24 | 2009-11-17 | (주)파인텍 | The pressure and crock testing device for a bellows pipe |
| CN205027499U (en) * | 2015-09-30 | 2016-02-10 | 江苏奥力威传感高科股份有限公司 | Engine intake manifold air tightness testing device |
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