CN208860543U - A kind of air-tightness detection device of integrated mechanical sealing - Google Patents
A kind of air-tightness detection device of integrated mechanical sealing Download PDFInfo
- Publication number
- CN208860543U CN208860543U CN201821857648.0U CN201821857648U CN208860543U CN 208860543 U CN208860543 U CN 208860543U CN 201821857648 U CN201821857648 U CN 201821857648U CN 208860543 U CN208860543 U CN 208860543U
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- China
- Prior art keywords
- connecting tube
- fixture
- air
- branch pipe
- seal
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of air-tightness detection devices of integrated mechanical sealing, including upper fixture, lower fixture, driving device, gas source and sink；Mandrel is provided in lower fixture, the lower port of mechanical seal to be detected is set on mandrel, and the stationary seat sealing of mechanical seal is pressed on the opening of the installation cavity of lower fixture, forms first annular seal space in lower fixture；Upper fixture is located at the top of lower fixture and is connected with driving device, can seal the upper port for being provide with mechanical seal, form the second seal chamber in mechanical seal；It is provided with first through hole on lower fixture, the first connecting tube that gas outlet is placed in sink is connected at the first through hole；The second through-hole is provided in upper fixture, which is connected with the second connecting tube that air inlet is connected with gas source.The utility model structure is simple, easy to operate, is supplied gas by gas source to first annular seal space, by whether having bubble generation in observation sink, can intuitively react the air-tightness situation of mechanical seal.
Description
Technical field
The utility model relates to air tightness detection equipment, in particular to the air-leakage test of a kind of integrated mechanical sealing fills
It sets.
Background technique
Integrated mechanical sealing is a kind of advanced mechanical seal structure, reliably with easy for installation, sealing performance etc.
Advantage is more and more widely used；Integrated mechanical sealing generally comprises axle sleeve, fixed ring, stationary ring, stationary seat, moves
Ring, rotating seat, spring, spring base and multiple sealing rings.Since integrated mechanical sealing is higher to air-tightness requirement, generally going out
It needs to carry out air-leakage test to integrated mechanical sealing before factory, to guarantee that the air-tightness of integrated mechanical sealing meets use
It is required that however existing structure of the detecting device is more complicated, and intuitive, effectively integrated mechanical sealing cannot be examined
It surveys, and shows testing result, there is improved space.
Utility model content
The utility model is to provide a kind of hermetic seal of integrated mechanical sealing to overcome above-mentioned defect in the prior art
Detection device can effectively detect integrated mechanical sealing, and by whether having bubble generation, Neng Gouzhi in sink
The display testing result of sight.
To achieve the above object, the utility model provides a kind of air-tightness detection device of integrated mechanical sealing, including
Upper fixture, lower fixture, driving device, gas source and sink；
The lower fixture has opening up installation cavity, and being provided in the middle part of the bottom of the installation cavity is in set straight up
The lower port sealing of the mandrel set, mechanical seal to be detected is set on mandrel, and the lower end surface of the stationary seat of mechanical seal is close
It seals on the open end for the installation cavity for being pressed on lower fixture, to correspond to the external formation the of mechanical seal in the inside of lower fixture
One seal chamber；
The upper fixture has downward opening cavity, and is located at the top of lower fixture and is connected with driving device,
It is moved downward under being driven under driving device, sealing is provide with the upper port of mechanical seal, to form the in the inside of mechanical seal
Two seal chambers；
The first through hole being connected with first annular seal space is offered on the lower fixture, is connected with first at the first through hole
The gas outlet of connecting tube, first connecting tube is placed in sink；
The second through-hole being connected with the second seal chamber is offered in the upper fixture, which is connected with second
The air inlet of connecting tube, second connecting tube is connected with gas source.
It is further arranged to: being provided with commutator on the pipeline of first connecting tube, the commutator is by the first connecting tube
It is divided into the first branch pipe and the second branch pipe, which is three-port structure, and the first branch pipe and the second branch pipe are separately connected commutator
Two of them interface, be connected with third connecting tube on the third interface of commutator, the air inlet and gas of the third connecting tube
Source is connected, and the gating of the first branch pipe and the second branch pipe or third connecting tube and the first branch pipe is realized by commutator.
Be further arranged to: the cavity hatch end face of the upper fixture is pressed on the upper surface of the stationary seat of mechanical seal
On.
Be further arranged to: the groove body of the sink is made of clear material.
Be further arranged to: the driving device is cylinder.
Compared with prior art, the utility model structure is simple, easy to operate, and integrated mechanical sealing is packed into lower fixture
Interior, lower port is set on mandrel, and upper fixture moves downward in the presence of cylinder and is provide with the upper of integrated mechanical sealing
Port is connected to the first branch pipe with the second branch pipe by commutator, and gas source is supplied gas by the second connecting tube to the second seal chamber, such as
Fruit integrated mechanical sealing is there are air leakage point, then the gas in the second seal chamber can enter in first annular seal space, further by the
One connecting tube enters sink, so that bubble can be generated in sink, so as to intuitively know integrated mechanical sealing air-tightness
It is unqualified；Conversely, will not generate bubble in sink, then the air-tightness of the integrated mechanical sealing is qualified；Furthermore detection is completed
Afterwards, it by commutator, gates third connecting tube and the first branch pipe, gas source is supplied gas by third connecting tube to first annular seal space, from
And integrated mechanical sealing easily can be ejected into lower fixture, to facilitate the taking-up of integrated mechanical sealing circle.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing integrated mechanical sealing；
Fig. 2 is a kind of structural schematic diagram of the air-tightness detection device of integrated mechanical sealing of the utility model.
The following drawings is marked to mark on it in conjunction with attached drawing:
1, lower fixture；11, mandrel；12, first annular seal space；13, the second seal chamber；2, upper fixture；3, cylinder；4, sink；
5, the first connecting tube；51, the first branch pipe；52, the second branch pipe；6, the second connecting tube；7, third connecting tube；8, packaging type machinery is close
Envelope；81, axle sleeve；82, fixed ring；83, stationary seat；84, stationary ring；85, rotating ring；86, rotating seat；87, spring；88, spring base；9,
Commutator.
Specific embodiment
With reference to the accompanying drawing, a specific embodiment of the utility model is described in detail, it is to be understood that this
The protection scope of utility model is not limited by the specific implementation.
The integrated mechanical sealing of the utility model is as shown in Figure 1, include axle sleeve 81, fixed ring 82, stationary seat 83, stationary ring
84, rotating ring 85, rotating seat 86, spring 87 and spring base 88.
A kind of air-tightness detection device of the integrated mechanical sealing of the utility model as shown in Fig. 2, include upper fixture 2,
Lower fixture 1, cylinder 3, sink 4 and gas source, lower fixture 1 have the installation cavity of opening up setting, the bottom setting of the installation cavity
Have in vertically set mandrel 11, when installation, the lower port of integrated mechanical sealing 8 is set in mandrel 11 and constitutes sealing
Cooperation, the lower end surface of the stationary seat 83 of 8 upper end of integrated mechanical sealing is pressed on the open end of lower fixture 1 and constitutes sealing
Cooperation, so that first annular seal space 12 is formed in the inside of lower fixture 1, the external of integrated mechanical sealing 8, on fixture 1 at present
It is provided with the first through hole being connected with first annular seal space 12, which is connected with the first connecting tube 5, first connecting tube
5 gas outlet is located in sink 4；Upper fixture 2 have downward opening cavity, positioned at lower fixture 1 surface and with 3 phase of cylinder
Connection, under the driving of cylinder 3, which can move downward and seal the upper port for being provide with integrated mechanical sealing 8,
To form the second seal chamber 13 in the inside of integrated mechanical sealing 8, it is preferred that the lower end surface of upper fixture 2 is pressed on stationary ring
On the upper surface of seat 83, so as to guarantee the compression sealing effect between stationary seat 83 and lower fixture 1；Simultaneously in upper fixture 2
It is provided with the second through-hole being connected with the second seal chamber 13, which is connected with the second connecting tube 6, second connecting tube
6 inlet gas is connected with gas source；Gas source is supplied gas by 6 the second seal chamber of phase 13 of the second connecting tube, when integrated mechanical sealing 8
Air-tightness be qualified there is no when air leakage point, then the second seal chamber 13 be fully sealed it is gastight, thus the second seal chamber
13 gas not can enter first annular seal space 12, and sink 4 is interior, and there will be no bubble generations；It is leaked when integrated mechanical sealing 8 exists
Gas point, when air-tightness is unqualified, the gas of the second seal chamber 13 can enter first annular seal space 12 by air leakage point, thus sink 4
In just have bubble generation, by generate sink 4 in be enough have bubble generation can intuitively react integrated mechanical sealing 8
Air-tightness situation.
Further, it is provided with commutator 9 in the first connecting tube 5, which divides the first connecting tube 5 for the first branch pipe
51 and second branch pipe 52, which is three-port structure, wherein the two of the first branch pipe 51 and the second branch pipe 52 connection commutator 9
The third interface of a interface, commutator 9 is connected with third connecting tube 7, and the air inlet of the third connecting tube 7 is connected with gas source
It connects, passes through its choosing that can be realized the first branch pipe 51 and the second branch pipe 52 or third connecting tube 7 and the first branch pipe 51 that commutates
It is logical；When carrying out air-leakage test, commutator 9 is connected to the first branch pipe 51 and the second branch pipe 52, into first annular seal space 12
Gas can enter sink 4 by the first connecting tube 5, to generate bubble；After the completion of detection, the control of commutator 9 connection the
One branch pipe 51 and third connecting tube 7, so that gas source can be fed gas into first annular seal space 12, so that packaging type machinery is close
Envelope 8 ejects lower fixture 1, to facilitate the taking-up of integrated mechanical sealing 8.
Preferably, the groove body of sink 4 is made of clear material, such as transparent glass, transparent plastic.
Compared with prior art, the utility model structure is simple, easy to operate, and integrated mechanical sealing is packed into lower fixture
Interior, lower port is set on mandrel, and upper fixture moves downward in the presence of cylinder and is provide with the upper of integrated mechanical sealing
Port is connected to the first branch pipe with the second branch pipe by commutator, and gas source is supplied gas by the second connecting tube to the second seal chamber, such as
Fruit integrated mechanical sealing is there are air leakage point, then the gas in the second seal chamber can enter in first annular seal space, further by the
One connecting tube enters sink, so that bubble can be generated in sink, so as to intuitively know integrated mechanical sealing air-tightness
It is unqualified；Conversely, will not generate bubble in sink, then the air-tightness of the integrated mechanical sealing is qualified；Furthermore detection is completed
Afterwards, it by commutator, gates third connecting tube and the first branch pipe, gas source is supplied gas by third connecting tube to first annular seal space, from
And integrated mechanical sealing easily can be ejected into lower fixture, to facilitate the taking-up of integrated mechanical sealing circle.
Disclosed above is only the embodiments of the present invention, and still, the utility model is not limited to this, any ability
What the technical staff in domain can think variation should all fall into the protection scope of the utility model.
Claims (5)
1. a kind of air-tightness detection device of integrated mechanical sealing, which is characterized in that including upper fixture, lower fixture, driving dress
It sets, gas source and sink；
The lower fixture has opening up installation cavity, is provided in the middle part of the bottom of the installation cavity in vertically set
The lower port sealing of mandrel, mechanical seal to be detected is set on mandrel, and the lower end surface sealing of the stationary seat of mechanical seal is supported
It is pressed on the open end of the installation cavity of lower fixture, thus close in the external formation first that the inside of lower fixture corresponds to mechanical seal
Seal chamber；
The upper fixture has downward opening cavity, and is located at the top of lower fixture and is connected with driving device, is driving
It is moved downward under being driven under device, sealing is provide with the upper port of mechanical seal, so that it is close to form second in the inside of mechanical seal
Seal chamber；
The first through hole being connected with first annular seal space is offered on the lower fixture, the first connection is connected at the first through hole
Pipe, the gas outlet of first connecting tube is placed in sink；
The second through-hole being connected with the second seal chamber is offered in the upper fixture, which is connected with the second connection
Pipe, the air inlet of second connecting tube are connected with gas source.
2. a kind of air-tightness detection device of integrated mechanical sealing according to claim 1, which is characterized in that described
It is provided with commutator on the pipeline of one connecting tube, which is divided into the first branch pipe and the second branch pipe for the first connecting tube, should
Commutator is three-port structure, and the first branch pipe and the second branch pipe are separately connected the two of them interface of commutator, the third of commutator
Third connecting tube is connected on a interface, the air inlet of the third connecting tube is connected with gas source, realizes first by commutator
The gating of branch pipe and the second branch pipe or third connecting tube and the first branch pipe.
3. a kind of air-tightness detection device of integrated mechanical sealing according to claim 1, which is characterized in that on described
The cavity hatch end face of fixture is pressed on the upper surface of the stationary seat of mechanical seal.
4. a kind of air-tightness detection device of integrated mechanical sealing according to claim 1, which is characterized in that the water
The groove body of slot is made of clear material.
5. a kind of air-tightness detection device of integrated mechanical sealing according to claim 1, which is characterized in that the drive
Dynamic device is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857648.0U CN208860543U (en) | 2018-11-12 | 2018-11-12 | A kind of air-tightness detection device of integrated mechanical sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821857648.0U CN208860543U (en) | 2018-11-12 | 2018-11-12 | A kind of air-tightness detection device of integrated mechanical sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860543U true CN208860543U (en) | 2019-05-14 |
Family
ID=66422080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821857648.0U Expired - Fee Related CN208860543U (en) | 2018-11-12 | 2018-11-12 | A kind of air-tightness detection device of integrated mechanical sealing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208860543U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103245A1 (en) * | 2019-11-28 | 2021-06-03 | 璟泰（清远）橡胶工业有限公司 | Leakage detection jig |
-
2018
- 2018-11-12 CN CN201821857648.0U patent/CN208860543U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103245A1 (en) * | 2019-11-28 | 2021-06-03 | 璟泰（清远）橡胶工业有限公司 | Leakage detection jig |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190514 Termination date: 20211112 |