CN208765918U - It is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness - Google Patents
It is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness Download PDFInfo
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- CN208765918U CN208765918U CN201821422902.4U CN201821422902U CN208765918U CN 208765918 U CN208765918 U CN 208765918U CN 201821422902 U CN201821422902 U CN 201821422902U CN 208765918 U CN208765918 U CN 208765918U
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- seal assembly
- solar energy
- lower cover
- heat collection
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Abstract
The utility model provides a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness, including mutually matched upper end cover and lower cover；The upper end cover and lower cover are coaxial；The upper end cover includes end cap ontology open at one end, and cylindrical first boss is equipped in the bottom end of the end cap ontology, and the first boss is equipped with cylindrical second boss；The side wall of the end cap ontology is equipped with inflating port；The side wall of the end cap body open end is equipped with seal groove；The lower cover includes lower cover ontology, and one end of the lower cover ontology is equipped with interface, and the other end is equipped with the first slot, and first slot is round hole, is also uniformly provided with the second slot along the first slot circumference；First slot and interface are coaxial, and the first slot diameter is greater than interface diameter.The device of the utility model can detect the leakproofness of solar energy heat collection pipe seal assembly, high degree of automation, reduce manual intervention, improve leak detection efficiency, improve production efficiency.
Description
Technical field
The utility model relates to a kind of detection devices, and in particular to one kind is close for detecting solar energy heat collection pipe seal assembly
The device of envelope property.
Background technique
In solar energy heat utilization field, thermal-collecting tube is convert solar energy into thermal energy main as the heart of solar energy
Place.Solar energy heat collection pipe includes metal inner pipe, seal assembly and outer glass tube three parts composition, by seal assembly by metal
Inner tube and outer glass tube are sealed connected together.Seal assembly include be linked together cut down body and bellows, can cut down part be one
Tubular structure is surrounded by flange, and wherein bellows plays a compensation function in steel pipe expanded by heating.Solar energy evacuated collection
In use, long term high temperature expands heat pipe in metal tube, occurs biggish tolerance between metal inner pipe and glass tube outer tube,
Bellows can be good at compensating the tolerance of this part as a kind of elastic element.
As the part of connection metal inner pipe and outer glass tube, seal assembly becomes the important component of solar energy heat collection pipe,
Seal assembly is directly related to the yield rate of thermal-collecting tube with the presence or absence of bad defect.
Currently, the method for traditional detection seal assembly sealing performance is that seal assembly is placed in tooling, in addition hold
Portion is sealed, and is vacuumized rear helium mass spectrum and is stopped leakage in the roof, to guarantee the leakproofness of thermal-collecting tube after having assembled.Since seal assembly detected
Bellows is in the oppression state in journey, cannot efficiently find leak source very well, and helium, which scatters and disappears, not to be concentrated.
Utility model content
For above-mentioned deficiency of the prior art, the utility model provides a kind of close for detecting solar energy heat collection pipe
The device of sealing assembly leakproofness can be used for detecting the sealing performance of seal assembly, in the presence of capable of effectively overcoming the prior art
Defect.
In order to solve the above-mentioned technical problem, the utility model adopts the following technical solution.
It is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness, including mutually matched upper end cover and under
End cap；The upper end cover and lower cover are coaxial；The upper end cover includes end cap ontology open at one end, the bottom of the end cap ontology
Cylindrical first boss is equipped in end, the first boss is equipped with cylindrical second boss；The side of the end cap ontology
Wall is equipped with inflating port；The side wall of the end cap body open end is equipped with seal groove；The lower cover includes lower cover ontology,
One end of the lower cover ontology is equipped with interface, and the other end is equipped with the first slot, and first slot is round hole, along the first slot
Hole circumference is also uniformly provided with the second slot；First slot and interface are coaxial, and the first slot diameter is greater than interface diameter.
Further, the internal diameter of upper end cover open end is matched with the diameter that can cut down part tube body, and in upper end cover open end
Diameter is less than the diameter that can cut down part flange；The maximum gauge of lower cover ontology is less than the diameter that can cut down part flange.
Further, the diameter of the first boss is greater than second boss.
Further, the second boss periphery is equipped with sealing ring.
Further, sealing ring is placed in the seal groove.
Further, one end that the first slot is arranged in the lower cover ontology is additionally provided with the seal groove for placing sealing ring.
Further, the depth of second slot is greater than the first slot.
Further, the second slot quantity is 3, is distributed along the first slot even circumferential.
As described above, the utility model is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness, it can
To the detection of the being sealed property of seal assembly of solar energy heat collection pipe, when detection, will not cause to oppress to seal assembly, can make close
The bellows of sealing assembly is detected in its natural state, and helium is filled with concentration, can preferably be detected small leak source, be mentioned
The high qualification rate of product testing.
Detailed description of the invention
Fig. 1 is the apparatus structure schematic diagram of the utility model；
Fig. 2 is the A-A cross-sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of upper end cover in the utility model；
Fig. 4 is the top view of upper end cover；
Fig. 5 is the structural schematic diagram of lower cover；
Fig. 6 is the top view of lower cover；
Fig. 7 is the side view of lower cover；
Component label instructions
1 upper end cover, 2 lower cover
11 end cap ontology, 12 first boss
13 second boss, 14 inflating port
15,25 seal groove
21 lower cover ontology, 22 interface
23 first slot, 24 second slot.
Specific embodiment
Illustrate embodiments of the present invention below by way of particular specific embodiment, those skilled in the art can be by this explanation
Other advantages and efficacy of the present invention can be easily understood for content disclosed by book.The present invention can also be by addition different specific
Embodiment is embodied or practiced, and the various details in this specification can also not carried on the back based on different viewpoints and application
From carrying out various modifications or alterations under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and reality
The feature applied in example can be combined with each other.
Structure depicted in Figure of description, ratio, size etc., only to cooperate the revealed content of specification, with
Understand for those skilled in the art and read, be not intended to limit the invention enforceable qualifications, therefore does not have technically
Essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size can be generated not influencing the present invention
Under effect and the purpose that can reach, should all still it fall in the range of disclosed technology contents can cover.Meanwhile
Cited such as "upper", "lower", "front", "rear", " centre ", "left", "right" term, are merely convenient to describe in this specification
Be illustrated, rather than to limit the scope of the invention, relativeness is altered or modified, and is changing technology without essence
It inside holds, when being also considered as the enforceable scope of the present invention.
As shown in Figures 1 to 7, the utility model is a kind of for detecting the dress of solar energy heat collection pipe seal assembly leakproofness
It sets, including mutually matched upper end cover 1 and lower cover 2；The upper end cover 1 and lower cover 2 are coaxial；As shown in Figure 3, Figure 4, described
Upper end cover 1 includes end cap ontology 11 open at one end, is equipped with cylindrical first boss 12 in the bottom end of the end cap ontology 11,
The first boss 12 is equipped with cylindrical second boss 13；The side wall of the end cap ontology 11 is equipped with inflating port 14；Institute
The side wall for stating 11 open end of end cap ontology is equipped with seal groove 15；As shown in Figures 5 to 7, the lower cover 2 includes lower cover sheet
Body 21, one end of the lower cover ontology 21 are equipped with interface 22, and the other end is equipped with the first slot 23, and first slot 23 is circle
Shape hole is also uniformly provided with the second slot 24 along 23 circumference of the first slot；First slot 23 and interface 22 are coaxial, and the first slot
23 diameter of hole is greater than 22 diameter of interface.
Further, the internal diameter of 1 open end of upper end cover is matched with the diameter that can cut down part tube body, and 1 open end of upper end cover
Internal diameter is less than the diameter that can cut down part flange；The maximum gauge of lower cover ontology 21 is less than the diameter that can cut down part flange, to guarantee
When upper end cover 1 and lower cover 2 cooperate, the centre of flange lower cover 2 in upper end cover 1 of part can be cut down, the tube body of part will can be only cut down
Part and bellows section are respectively placed in the slot and upper end cover cavity of lower cover.
In the utility model embodiment, the diameter of the first boss 12 is greater than second boss 13.
Further, 12 periphery of first boss is equipped with sealing ring, and 13 periphery of second boss is equipped with sealing ring, just
It is set in first boss 12 and second boss 13 in the end of bellows, the use of sealing ring can increase leakproofness.
Further, one end that the first slot 23 is arranged in the lower cover ontology 21 is additionally provided with the seal groove for placing sealing ring
25.Sealing ring is placed in the seal groove 15,25, when being easy to use, lower cover 2 and upper end cover 1 have with can cut down between part respectively
There is preferable leakproofness, and not will cause the damage to part can be cut down.
Further, the depth of second slot 24 is greater than the first slot 23.
Further, 24 quantity of the second slot is 3, is distributed along 23 even circumferential of the first slot.
The device for being used to detect solar energy heat collection pipe seal assembly leakproofness of the utility model, when in use, by lower end
The interface 22 of lid 2 and helium mass spectrometer leak detector (helium mass spectrometer leak detector is the prior art, is not described in detail here) connect, and adopt at connector
Increase leakproofness with sealing ring, and using conventional locked clip device.The solar energy heat collection pipe seal assembly detected will be needed to put
Enter in lower cover 2, in the first slot 23 for being placed on the body portion for cutting down part of seal assembly in lower cover 2, and lower end
Sealing ring is set in the seal groove of lid 2, increase lower cover 2 and the leakproofness of part flange part can be cut down.Upper end cover 1 is placed in sealing
The top of component bellows, make the end of bellows respectively with the first boss 12 and second in 1 end cap ontology bottom end of upper end cover
Boss 13 connects, and increases sealing ring and increase leakproofness；Sealing ring is added in the seal groove 15 of upper end cover 1 simultaneously and increases upper end
Lid 1 and the leakproofness that part flange contact surface can be cut down.
The above-mentioned apparatus of the utility model makes in seal assembly in use, opening the vacuum pump and valve of helium mass spectrometer leak detector
Portion forms a vacuum cavity, after helium mass spectrometer leak detector shows data stabilization, carries out filling helium by the inflating port of upper end cover 1
Gas, and data shown by helium mass spectrometer leak detector are observed simultaneously, if data do not change and fluctuate, illustrate seal assembly sealing performance
Preferably, if data change, illustrate seal assembly poor sealing performance.
In conclusion the device for being used to detect solar energy heat collection pipe seal assembly leakproofness of the utility model, it can be to too
The leakproofness of positive energy thermal-collecting tube seal assembly is detected, and high degree of automation reduces manual intervention, improves leak detection effect
Rate improves production efficiency.So the utility model effectively overcomes some practical problems in the prior art to have very high
Utility value and use meaning.
Above embodiment is only illustrative of the principle and efficacy of the utility model, and not for limitation, this is practical new
Type.The utility model can be improved there are many more aspect under the premise of without prejudice to overall thought, for being familiar with this technology
Personage can all be carried out modifications and changes to above-described embodiment under the spirit and scope without prejudice to the utility model.Therefore,
Such as those of ordinary skill in the art is in spirit revealed without departing from the utility model and institute under technical idea
All equivalent modifications or change completed, should be covered by the claim of the utility model.
Claims (8)
1. a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that including mutually matched
Upper end cover and lower cover；The upper end cover and lower cover are coaxial；The upper end cover includes end cap ontology open at one end, the end
Cylindrical first boss is equipped in the bottom end of lid ontology, the first boss is equipped with cylindrical second boss；The end
The side wall of lid ontology is equipped with inflating port；The side wall of end cap body open end is equipped with seal groove；The lower cover includes lower end
Lid ontology, one end of the lower cover ontology are equipped with interface, and the other end is equipped with the first slot, and first slot is round hole,
The second slot is also uniformly provided with along the first slot circumference；First slot and interface are coaxial, and the first slot diameter be greater than connect
Mouth diameter.
2. according to claim 1 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that on
The internal diameter of end cap open end is matched with the diameter that can cut down part tube body, and upper end cover open end internal diameter be less than can cut down the straight of part flange
Diameter；The maximum gauge of lower cover ontology is less than the diameter that can cut down part flange.
3. according to claim 2 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that institute
The diameter for stating first boss is greater than second boss.
4. according to claim 2 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that institute
Second boss periphery is stated equipped with sealing ring.
5. according to claim 2 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that institute
It states and places sealing ring in seal groove.
6. according to claim 2 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that institute
The one end for stating lower cover ontology the first slot of setting is additionally provided with the seal groove for placing sealing ring.
7. according to claim 2 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that institute
The depth for stating the second slot is greater than the first slot.
8. according to claim 7 for detecting the device of solar energy heat collection pipe seal assembly leakproofness, which is characterized in that institute
Stating the second slot quantity is 3, is distributed along the first slot even circumferential.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422902.4U CN208765918U (en) | 2018-08-31 | 2018-08-31 | It is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821422902.4U CN208765918U (en) | 2018-08-31 | 2018-08-31 | It is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208765918U true CN208765918U (en) | 2019-04-19 |
Family
ID=66135004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821422902.4U Active CN208765918U (en) | 2018-08-31 | 2018-08-31 | It is a kind of for detecting the device of solar energy heat collection pipe seal assembly leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208765918U (en) |
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2018
- 2018-08-31 CN CN201821422902.4U patent/CN208765918U/en active Active
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