CN209559427U - Seal planar defect air-tightness detection device - Google Patents
Seal planar defect air-tightness detection device Download PDFInfo
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- CN209559427U CN209559427U CN201920414648.1U CN201920414648U CN209559427U CN 209559427 U CN209559427 U CN 209559427U CN 201920414648 U CN201920414648 U CN 201920414648U CN 209559427 U CN209559427 U CN 209559427U
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- tightness detection
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Abstract
The utility model discloses a kind of sealing planar defect air-tightness detection device, the fastening body being pressed on sealing surface including the position for corresponding to defect on sealing surface and for compressing the sealing joint strip being sealed in defect；Fastening body includes opposite first surface and second surface；The first surface of fastening body is equipped with and is covered on the groove for being used to form gas chamber in defect and the seal groove for accommodating sealing joint strip, and seal groove is looped around the periphery of groove in a ring and is connected with groove, and sealing joint strip is accommodated in seal groove；The second surface of fastening body is equipped with the air inlet of communication groove.The sealing planar defect air-tightness detection device of the utility model, structure and easy to operate, whether the defect for detecting sealing surface in the equipment such as the hydrogen-cooled device of generator, air cooler of generators, which influences sealing strip, is returned the sealing effect after dress, whether the leakage of gas or liquid can be occurred, it is assessed instead of artificial subjective experience, improves the accuracy of airtight detection judgement.
Description
Technical field
The utility model relates to electrical repair technical field more particularly to a kind of sealing planar defect air-tightness detection devices.
Background technique
Field device is such as: the hydrogen-cooled device of generator, air cooler of generators, generator manhole door, generator cooling-water pipeline,
Automobile engine valve chamber lid, generator outlet casing etc. largely realize gas using the method that sealing joint strip is adjacent to metallic sealing section
The sealing of body or liquid.
When equipment sealing surface because maintenance dismounting etc. reasons, cause when occurring the defects of scratch, pitting on sealing surface,
It will assess whether this defect influences the sealing effect after sealing joint strip returns dress, whether can leak after returning dress.It is above-mentioned right
It is usually to rely on whether micro-judgment defect will affect sealing, however rely on artificial subjective micro-judgment difficult in the assessment of defect
To guarantee the accuracy of judgement, once error in judgement, will cause leakage after putting equipment in service, brings adverse consequences.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of easy to operate and improve airtight detection accuracy
Seal planar defect air-tightness detection device.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of sealing planar defect air-tightness inspection
Device is surveyed, is pressed on fastening body on sealing surface including the position for corresponding to defect on sealing surface and for compressing sealing
Sealing joint strip in the defect；
The fastening body includes opposite first surface and second surface；The first surface of the fastening body is equipped with covering
The groove for being used to form gas chamber in the defect and the seal groove for accommodating sealing joint strip, seal groove ring in a ring
It is wound on the periphery of the groove and is connected with the groove, the sealing joint strip is accommodated in the seal groove；The compression
The second surface of body is equipped with the air inlet for being connected to the groove.
Preferably, the thickness of the sealing joint strip is greater than the depth of the seal groove.
Preferably, the sealing joint strip is annular adhesive tape comprising for first glue of the gluing, sealing in the defect
The second adhesive tape section that item section, both ends are connect with the both ends of the first adhesive tape section respectively；
The equivalent width of sealing strip of the width and in-site installation of the first adhesive tape section on the sealing surface.
Preferably, the first adhesive tape section is linear type adhesive tape section.
Preferably, the groove is kidney slot.
Preferably, the sealing planar defect air-tightness detection device further includes being arranged on the second surface of the compressing member
And the inlet suction port being connected with the air inlet.
Preferably, the sealing planar defect air-tightness detection device further includes that the fastening body is pressed on the sealing surface
On fixation kit.
Preferably, the fixation kit includes at least one fixing seat；The fixing seat includes being arranged in the fastening body
The first fixed plate on second surface, connection first fixed plate and cooperate second fixed plate for compressing body side surface,
And it is threaded through in first fixed plate and pushes against the screw arbor assembly of the fastening body second surface.
Preferably, the fixation kit includes metal block.
Preferably, the sealing surface is the hydrogen-cooled device of generator, air cooler of generators, generator manhole door, generator cooling
For realizing gas or the sealing surface of hydraulic seal on waterpipe, automobile engine valve chamber lid or generator outlet casing.
The sealing planar defect air-tightness detection device of the utility model, structure and easy to operate, for detecting generator hydrogen
Whether the defect of sealing surface influences the sealing effect after sealing strip time dress in the equipment such as cooler, air cooler of generators, if can send out
The leakage of angry body or liquid is assessed instead of artificial subjective experience, improves the accuracy of airtight detection judgement.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is that the sealing planar defect air-tightness detection device of an embodiment of the present invention is mounted on the structure on sealing surface
Schematic diagram；
Fig. 2 is that the structural schematic diagram of the sealing planar defect air-tightness detection device of an embodiment of the present invention (is overlooked
Figure)；
Fig. 3 is sealing planar defect air-tightness detection device shown in Fig. 2 along the schematic diagram of the section structure of line A-A；
Fig. 4 is the structural representation of fastening body in the sealing planar defect air-tightness detection device of an embodiment of the present invention
Figure.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, 2, the sealing planar defect air-tightness detection device 2 of an embodiment of the present invention is set for detecting
Whether defect 10 (dotted portion in Fig. 1) influences the sealing effect after sealing strip time dress, the sealing planar defect on standby sealing surface 1
Air-tightness detection device 2 may include fastening body 20 and sealing joint strip 30；Fastening body 20 is used to correspond to the position of defect 10 on sealing surface 1
It sets and is pressed on sealing surface 1, sealing joint strip 30 is sealed in defect 10 for compressing.
Wherein, as shown in Figs 1-4, fastening body 20 includes opposite first surface 21 and second surface 22.Fastening body 20
First surface 21 is equipped with groove 201 and seal groove 202, after fastening body 20 is pressed on sealing surface 1 with its first surface 21,
Groove 201 is covered in defect 10 and is used to form gas chamber, and gas is filled in gas chamber when detecting air-tightness.Seal groove 202 is used
In accommodating sealing joint strip 30, seal groove 202 is looped around the periphery of groove 201 in a ring and is connected with groove 201.Fastening body 20
Second surface 22 be equipped with communication groove 201 air inlet 203, gas is filled in gas chamber by air inlet 203.
Sealing joint strip 30 is accommodated in seal groove 202.The thickness of sealing joint strip 30 is greater than the depth of seal groove 202, thus
Its first surface 21 that can protrude fastening body 20 after sealing joint strip 30 is accommodated in seal groove 202；It needs according to the actual situation
1mm, 2mm or 3mm etc. can be protruded.After fastening body 20 is pressed on sealing surface 1, squeezing sealing joint strip 30 is fitted tightly over it
Defect 10 is sealed on sealing surface 1.
Sealing joint strip 30 is annular adhesive tape, is filled in the seal groove 202 of annular.The sealing joint strip 30 may include the first glue
The second adhesive tape section that item section, both ends are connect with the both ends of the first adhesive tape section respectively.When planar defect air-tightness detection device 2 will be sealed
When being installed on sealing surface 1, with the first adhesive tape section alignment gluing, sealing in defect 10, the second adhesive tape section then gluing, sealing close
On other regions on cover 1 outside defect 10.The groove of inner ring and fastening body 10 that sealing joint strip 30 surrounds on sealing surface 1
201 connections form closed gas chamber；Air inlet 203 on fastening body 20 is connected with gas chamber.
Above-mentioned sealing surface 1 is the hydrogen-cooled device of generator, air cooler of generators, generator manhole door, generator cooling-water pipe
For realizing gas or the sealing surface of hydraulic seal on road, automobile engine valve chamber lid or generator outlet casing.At the scene,
It will be installed sealing strip on sealing surface 1 to be connected and sealed.
Judge whether the defect on sealing surface 1 10 influences the sealing effect after sealing strip returns dress, this reality to accurately detect
Time dress form of the sealing strip of dress is simulated back with the sealing joint strip 30 in novel sealing planar defect air-tightness detection device 2,
Therefore its material identical as sealing strip, and the width of the width of the first adhesive tape section of sealing joint strip 30 and sealing strip needs unanimously.
In the present embodiment, groove 201 is kidney slot.202 respective slot 201 of seal groove is also kidney slot.Sealing joint strip 30
It is accommodated wherein along the shape of seal groove 202.
First adhesive tape section is preferably linear type (non-arc) adhesive tape section, in the straight line slot part of seal groove 202.The
Two adhesive tape sections are located in the other parts of seal groove 202, have be spaced opposite straight line with the first adhesive tape section in the direction of extension
Type adhesive tape section and two arc adhesive tape sections.
According to 10 position of the width of sealing surface 1 and defect, the second adhesive tape section can be with the width of the first adhesive tape section
Can be consistent, it can also be inconsistent.Cause gas chamber small in order to avoid the arc adhesive tape section camber of the second adhesive tape section is too small, can incite somebody to action
The width and 202 partial width of corresponding seal groove of arc adhesive tape section reduce.
Further, the sealing planar defect air-tightness detection device of the utility model, which may also include, is arranged in compressing member 20
The inlet suction port (not shown) being connected on second surface 22 and with air inlet 203.The setting of inlet suction port is more conducive to inflate dress
The connection set.
The sealing planar defect air-tightness detection device of the utility model may also include fixation kit (not shown), fixation kit
It provides certain weight fastening body 20 is pressed on sealing surface 1, it is ensured that being adjacent on sealing surface 1 of sealing joint strip 30.
Fixation kit may include metal block etc., as long as there is the weight of constant weight.
Alternatively, fixation kit may include at least one fixing seat.Fixing seat includes being arranged in 20 second table of fastening body
The first fixed plate on face 22, the first fixed plate of connection and cooperate 20 side of fastening body the second fixed plate and be threaded through
In first fixed plate and push against the screw arbor assembly of 20 second surface 22 of fastening body.Screw arbor assembly is movable on the first fixing plate to be worn
If, it may include screw rod and nut make it rotate adjustable first fixed plate on pressure plate 20 along screw rod by rotating nuts
Tightness.
As needed, the sealing planar defect air-tightness detection device of the utility model may also include air charging system, connect into
Stomata 203, to chamber inflated.
The sealing planar defect air-tightness detection device of the utility model is in use, sealing joint strip 30 is accommodated in seal groove 202
It is interior, the fastening body 20 with sealing joint strip 30 is placed on sealing surface 1, the first adhesive tape section of sealing joint strip 30 is made to be aligned in one
On the position for locating defect 10, fastening body 10 is pressed on sealing surface 1 and is sealed on sealing surface 1 by sealing joint strip 30.It is logical
It crosses air inlet 203 and is filled with the operating pressure that gas makes internal pressure reach 1 place equipment of sealing surface in groove 201.It is compressing
On the outside of 20 periphery of body for a period of time using leak detection water (suds etc.) leakage detection and pressure maintaining, under whether there is pressure in observation groove 201
Whether drop is to judge to influence at defect 10 to seal.
It, can be by a sealing planar defect air-tightness detection device 2 successively to more when having many places defect 10 on sealing surface 1
A defect 10 is detected, or is detected respectively to multiple defects 10 by multiple sealing planar defect air-tightness detection devices 2.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of sealing planar defect air-tightness detection device, which is characterized in that including the position for corresponding to defect on sealing surface
The fastening body that is pressed on sealing surface and for compressing the sealing joint strip being sealed in the defect；
The fastening body includes opposite first surface and second surface；The first surface of the fastening body is equipped with and is covered on institute
The groove for being used to form gas chamber in defect and the seal groove for accommodating sealing joint strip are stated, the seal groove is looped around in a ring
The periphery of the groove is simultaneously connected with the groove, and the sealing joint strip is accommodated in the seal groove；The fastening body
Second surface is equipped with the air inlet for being connected to the groove.
2. sealing planar defect air-tightness detection device according to claim 1, which is characterized in that the thickness of the sealing joint strip
Degree is greater than the depth of the seal groove.
3. sealing planar defect air-tightness detection device according to claim 1, which is characterized in that the sealing joint strip is ring
Shape adhesive tape comprising for first adhesive tape section of the gluing, sealing in the defect, both ends respectively with the first adhesive tape section
Second adhesive tape section of both ends connection；
The equivalent width of sealing strip of the width and in-site installation of the first adhesive tape section on the sealing surface.
4. sealing planar defect air-tightness detection device according to claim 3, which is characterized in that the first adhesive tape section is
Linear type adhesive tape section.
5. sealing planar defect air-tightness detection device according to claim 1, which is characterized in that the groove is kidney-shaped
Slot.
6. sealing planar defect air-tightness detection device according to claim 1, which is characterized in that the sealing planar defect gas
Close property detection device further includes the inlet suction port for being arranged on the second surface of the fastening body and being connected with the air inlet.
7. sealing planar defect air-tightness detection device according to claim 1, which is characterized in that the sealing planar defect gas
Close property detection device further includes the fixation kit being pressed on the fastening body on the sealing surface.
8. sealing planar defect air-tightness detection device according to claim 7, which is characterized in that the fixation kit includes
At least one fixing seat；The fixing seat includes the first fixed plate being arranged on the fastening body second surface, described in connection
First fixed plate simultaneously cooperates in second fixed plate for compressing body side surface and is threaded through in first fixed plate and pushes against
The screw arbor assembly of the fastening body second surface.
9. sealing planar defect air-tightness detection device according to claim 7, which is characterized in that the fixation kit includes
Metal block.
10. -9 described in any item sealing planar defect air-tightness detection devices according to claim 1, which is characterized in that described close
Cover is the hydrogen-cooled device of generator, air cooler of generators, generator manhole door, generator cooling-water pipeline, automotive engine valves
For realizing gas or the sealing surface of hydraulic seal on chamber cap or generator outlet casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414648.1U CN209559427U (en) | 2019-03-28 | 2019-03-28 | Seal planar defect air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920414648.1U CN209559427U (en) | 2019-03-28 | 2019-03-28 | Seal planar defect air-tightness detection device |
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| Publication Number | Publication Date |
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| CN209559427U true CN209559427U (en) | 2019-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920414648.1U Active CN209559427U (en) | 2019-03-28 | 2019-03-28 | Seal planar defect air-tightness detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611524A (en) * | 2020-11-20 | 2021-04-06 | 华能上海燃机发电有限责任公司 | Method for improving cooling effect of generator outgoing line sleeve |
-
2019
- 2019-03-28 CN CN201920414648.1U patent/CN209559427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112611524A (en) * | 2020-11-20 | 2021-04-06 | 华能上海燃机发电有限责任公司 | Method for improving cooling effect of generator outgoing line sleeve |
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