CN202195742U - Heat pipe sealing structure - Google Patents
Heat pipe sealing structure Download PDFInfo
- Publication number
- CN202195742U CN202195742U CN2011202350675U CN201120235067U CN202195742U CN 202195742 U CN202195742 U CN 202195742U CN 2011202350675 U CN2011202350675 U CN 2011202350675U CN 201120235067 U CN201120235067 U CN 201120235067U CN 202195742 U CN202195742 U CN 202195742U
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- CN
- China
- Prior art keywords
- ozzle
- hole
- pipe cap
- heat pipe
- conical bore
- 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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- 238000007789 sealing Methods 0.000 title claims abstract description 35
- 238000010276 construction Methods 0.000 claims description 29
- 230000000694 effects Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 241000973497 Siphonognathus argyrophanes Species 0.000 abstract 6
- 238000000034 method Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
A heat pipe sealing structure comprises a tube body (4). A tube mouth (3) is fixed at one end of the tube body in a sealing mode, a tube cap (1) is arranged on the tube mouth in thread fit mode, a tube cap through hole (8) used for vacuumizing is formed on the tube cap, and a conical hole and a tube mouth through hole (7) which are connected with each other are formed on the tube mouth (3) sequentially along the axial direction. A sealing ball (2) is arranged in the conical hole and contacted with the tube cap (1). When the tube mouth (3) and the tube cap (1) are screwed tightly, the sealing ball (2) can plug the tube mouth through hole (7) in sealing mode through the pressure action of the tube cap. The heat pipe sealing structure can be operated on line, and is high in vacuum degree control accuracy, simple and convenient to operate, little in labor intensity, low in energy consumption, high in working efficiency, reliable in sealing, low in manufacture cost and high in finished product ratio.
Description
Technical field
The utility model relates to a kind of hermetically-sealed construction, particularly, relates to a kind of heat pipe hermetically-sealed construction, the seal approach that it vacuumizes as heat pipe in the heat pipe manufacture process.
Background technology
As everyone knows, heat pipe is to rely on self internal work liquid phase-change to realize the high-performance heat transfer components that conducts heat.
At present, in the heat pipe manufacture process, the phase-change heat transfer media fill structural design in the heat pipe is the hermetically-sealed construction that ozzle adds pipe cap; This structure manufacturing process is complicated, and operation requires high, and labour intensity is big; Energy consumption is high, inefficiency, and vacuumize the possibility height that normal pressure is replied in the back; Cause manufacturing cost high, the heat pipe yield rate is low.
In view of this, need a kind of novel heat pipe hermetically-sealed construction of design.
The utility model content
The utility model technical problem to be solved provides a kind of novel heat pipe hermetically-sealed construction; To overcome or to alleviate the above-mentioned defective of prior art; This heat pipe hermetically-sealed construction can be realized the sealing that heat pipe vacuumizes in the heat pipe manufacture process effectively; Significantly improve the yield rate of heat pipe, it is simple in structure, can increase work efficiency effectively.
Above-mentioned purpose realizes through following technical scheme: the heat pipe hermetically-sealed construction; Comprise body; One end sealing and fixing of this body has ozzle, and threaded engagement has pipe cap on this ozzle, is formed with the pipe cap through hole that is used to vacuumize on this pipe cap; Be formed with the conical bore and the ozzle through hole of mutual linking on the said ozzle vertically successively; Be provided with ball sealer in the said conical bore, the sealing ball contacts with said pipe cap, the sealing ball can be when said ozzle and pipe cap screwed through the pressure effect of said pipe cap the said ozzle through hole of shutoff hermetically.
Selectively, an end of said body is welded on the said ozzle.
Selectively, said conical bore and the central axis of ozzle through hole and the central axes of said ozzle.
Selectively, the central axis of the said ozzle of center axis deviation of said pipe cap through hole.
Preferably, the hardness of said ozzle is higher than the hardness of said pipe cap or identical with the hardness of this pipe cap, and the hardness of said ball sealer is lower than the hardness of said pipe cap.
Particularly, the coning angle of the conical bore on the said ozzle is 40～60 °, and the bottom diameter of this conical bore equals the diameter of said ozzle through hole, and said ball sealer forms sealing face with the taper seat of said conical bore at said ozzle during with the pipe cap screwed and contacts.
Particularly; The coning angle of the conical bore on the said ozzle is 40～60 °; The bottom diameter of this conical bore is greater than the diameter of said ozzle through hole; Thereby form the taper hole bottom platform in the bottom of said conical bore, said ball sealer is positioned at said conical bore and contacts with the end periphery of said ozzle through hole, and the sealing ball contacts with the end periphery formation sealing line of said ozzle through hole during with the pipe cap screwed at said ozzle.
Preferably, said ozzle and pipe cap screwed, and interfix or adopt fixing this ozzle of back of the body cap and pipe cap through welding manner.
Preferably, said ball sealer exceeds 3～5mm than the end face of said ozzle.
Through technique scheme, the heat pipe hermetically-sealed construction of the utility model compared with prior art has following advantage: the utility model can on-line operation, and the vacuum degree control precision is high; Simple to operation, labour intensity is little, and energy consumption is low; High efficiency; Sealing is reliable, low cost of manufacture, and yield rate is high.
Description of drawings
Fig. 1 is the half section structural representation of the heat pipe hermetically-sealed construction of a kind of specific embodiment of the utility model.
Fig. 2 is the schematic top plan view of heat pipe hermetically-sealed construction shown in Figure 1.
Fig. 3 is the half section structural representation of the heat pipe hermetically-sealed construction of the another kind of specific embodiment of the utility model.
Fig. 4 is the schematic top plan view of heat pipe hermetically-sealed construction shown in Figure 3.
Fig. 5 partly cuts open structural representation for the ozzle in the embodiment shown in Figure 1.
Fig. 6 is the schematic top plan view of ozzle shown in Figure 5.
Fig. 7 partly cuts open structural representation for the ozzle of embodiment shown in Figure 3.
Fig. 8 is the schematic top plan view of ozzle shown in Figure 7.
Among the figure: 1 pipe cap; 2 ball sealers; 3 ozzles; 4 bodys; 5 taper seats; 6 taper hole bottom platform; 7 ozzle through holes; 8 pipe cap through holes.
The specific embodiment
The specific embodiment of the utility model heat pipe hermetically-sealed construction is described below in conjunction with accompanying drawing.
Referring to Fig. 1 to Fig. 8, the heat pipe hermetically-sealed construction of the utility model comprises body 4; Wherein, One end sealing and fixing of this body 4 (for example welding) has ozzle 3, and threaded engagement has pipe cap 1 on this ozzle 3, is formed with pipe cap through hole 8 on this pipe cap 1; Be formed with the conical bore and the ozzle through hole 7 of mutual linking on the said ozzle 3 vertically successively; Be provided with ball sealer 2 in the said conical bore, sealing ball 2 contacts with said pipe cap 1, sealing ball 2 can said ozzle 3 during with pipe cap 1 screwed through the pressure effect of said pipe cap 1 the said ozzle through hole 7 of shutoff hermetically.
Preferably, the central axes of the central axis of said conical bore and ozzle through hole 7 and said ozzle 3.In addition, the central axis of the said body of the center axis deviation of said pipe cap through hole 84, ozzle 3 and pipe cap 1.
In addition, in order to make sealing effectiveness better, the hardness of said ozzle 3 is higher than the hardness of said pipe cap 1 or identical with the hardness of this pipe cap 1, and the hardness of said ball sealer 2 is lower than the hardness of said pipe cap 1.
Two embodiment of the utility model heat pipe hermetically-sealed construction are below described briefly.
Embodiment 1:
Referring to Fig. 3, Fig. 4, Fig. 7 and Fig. 8, the coning angle of the conical bore on the said ozzle 3 is 40～60 °, and the bottom diameter of this conical bore equals the diameter of said ozzle through hole 7; In this embodiment; After ozzle 3 and pipe cap 1 screwed, ball sealer 2 forms the sealing faces with the taper seat 5 of said conical bore and contacts, in order to guarantee the pressure effect of pipe cap 1; Ball sealer 2 is packed into behind the said conical bore, and sealing ball 2 generally can exceed 3～5mm than the end face of ozzle 3.
Embodiment 2:
Referring to Fig. 1, Fig. 2, Fig. 5 and Fig. 6; The coning angle of the conical bore on the said ozzle 3 is 40～60 °, and the bottom diameter of this conical bore is greater than the diameter of said ozzle through hole 7, thereby forms taper hole bottom platform 6 in the bottom of conical bore; Said ball sealer 2 is placed in the said conical bore and with the end periphery of said ozzle through hole and contacts; In this embodiment, after ozzle 3 and pipe cap 1 screwed, under the pressure effect of pipe cap 1; Ball sealer 2 forms the sealing line with the end periphery of said ozzle through hole 7 and contacts (being potted line), thereby forms hermetically-sealed construction.In order to guarantee the pressure effect of pipe cap 1, ball sealer 2 is packed into behind the said conical bore, and sealing ball 2 generally can exceed 3～5mm than the end face of ozzle 3.
The concrete application process of heat pipe hermetically-sealed construction of the utility model is: earlier body 4 and ozzle 3 are welded as a whole, the heat transfer working media is packed in the body 4, in the conical bore of ozzle 3, put into ball sealer 2; Pipe cap 1 is threaded onto on the ozzle 3 through it, this moment pipe cap 1, ball sealer 2 with ozzle 3 formation loose have being connected of gap, and then install them on the tooling platform; Pipe cap through hole 8 through on the pipe cap 1 vacuumizes; Gas in the body 4 is drawn out of through above-mentioned gap in vacuum, thereby in body 4, forms negative pressure, is evacuated to set-point in the body 4; In the threaded engagement of tightening under the operation presence that vacuumizes between pipe cap 1 and the ozzle 3; And given certain thrust, in the foregoing description 1 (Fig. 3), ball sealer 2 compresses the taper seat 5 of said conical bore through pipe cap 1 and being threaded of ozzle 3; And form the sealing faces with the taper seat of this conical bore 5 and contact, thereby realize sealing through this pre-pressing force.In the foregoing description 2, the end periphery that ball sealer 2 is threaded and compresses ozzle through hole 7 with ozzle 3 through pipe cap 1, and form the sealing line with the end periphery of this ozzle through hole 7 and contact (being potted line), thereby the formation hermetically-sealed construction.Then with pipe cap 1 and ozzle 3 sealing welding; Also can spot welding fix; Perhaps can adopt back of the body cap fixedly pipe cap 1 (carrying on the back cap is a kind of fastening form that those skilled in the art use always with ozzle 3; Pipe cap 1 can be reused with ozzle 3 under this mode), can certainly adopt other fixed form well known to those skilled in the art.
Visible by last description, the heat pipe hermetically-sealed construction of the utility model compared with prior art has following advantage: the utility model can on-line operation, and the vacuum degree control precision is high, and is simple to operation; Labour intensity is little, and energy consumption is low, high efficiency; Sealing is reliable, low cost of manufacture, and yield rate is high.
Each concrete technical characterictic described in the above-mentioned specific embodiment can carry out combination in any through any suitable manner, and it falls within the scope disclosed in the utility model equally.Simultaneously, also can carry out combination in any between the various embodiment of the utility model, as long as its thought without prejudice to the utility model, it should be regarded as content disclosed in the utility model equally.In addition; The utility model is not limited to the detail in the above-mentioned embodiment; In the technical conceive scope of the utility model, can carry out multiple simple variant to the technical scheme of the utility model, these simple variant all belong to the protection domain of the utility model.The protection domain of the utility model is defined by the claims.
Claims (9)
1. heat pipe hermetically-sealed construction; Comprise body (4), it is characterized in that an end sealing and fixing of this body has ozzle (3); Threaded engagement has pipe cap (1) on this ozzle; Be formed with the pipe cap through hole (8) that is used to vacuumize on this pipe cap, be formed with the conical bore and the ozzle through hole (7) of mutual linking on the said ozzle (3) vertically successively, be provided with ball sealer (2) in the said conical bore; The sealing ball contacts with said pipe cap (1), sealing ball (2) can be when said ozzle (3) and pipe cap (1) screwed through the pressure effect of said pipe cap the said ozzle through hole of shutoff (7) hermetically.
2. heat pipe hermetically-sealed construction according to claim 1 is characterized in that, an end of said body (4) is welded on the said ozzle (3).
3. heat pipe hermetically-sealed construction according to claim 1 is characterized in that, the central axis of said conical bore and ozzle through hole (7) and the central axes of said ozzle (3).
4. heat pipe hermetically-sealed construction according to claim 3 is characterized in that, the central axis of the said ozzle of center axis deviation (3) of said pipe cap through hole (8).
5. heat pipe hermetically-sealed construction according to claim 1 is characterized in that, the hardness of said ozzle (3) is higher than the hardness of said pipe cap (1) or identical with the hardness of this pipe cap, and the hardness of said ball sealer (2) is lower than the hardness of said pipe cap (1).
6. heat pipe hermetically-sealed construction according to claim 1; It is characterized in that; The coning angle of the conical bore on the said ozzle (3) is 40～60 °; The bottom diameter of this conical bore equals the diameter of said ozzle through hole (7), and said ball sealer (2) forms sealing face with the taper seat (5) of said conical bore at said ozzle (3) during with pipe cap (1) screwed and contacts.
7. heat pipe hermetically-sealed construction according to claim 1; It is characterized in that; The coning angle of the conical bore on the said ozzle (3) is 40～60 °; The bottom diameter of this conical bore is greater than the diameter of said ozzle through hole (7); Thereby form taper hole bottom platform (6) in the bottom of said conical bore, said ball sealer (2) is positioned at said conical bore and contacts with the end periphery of said ozzle through hole, and sealing ball (2) contacts with the end periphery formation sealing line of said ozzle through hole (7) during with pipe cap (1) screwed at said ozzle (3).
8. heat pipe hermetically-sealed construction according to claim 1 is characterized in that, said ozzle (3) and pipe cap (1) screwed, and interfix or adopt fixing this ozzle of back of the body cap and pipe cap through welding manner.
9. heat pipe hermetically-sealed construction according to claim 1 is characterized in that, said ball sealer (2) exceeds 3～5mm than the end face of said ozzle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202350675U CN202195742U (en) | 2011-07-06 | 2011-07-06 | Heat pipe sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202350675U CN202195742U (en) | 2011-07-06 | 2011-07-06 | Heat pipe sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202195742U true CN202195742U (en) | 2012-04-18 |
Family
ID=45950646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202350675U Expired - Fee Related CN202195742U (en) | 2011-07-06 | 2011-07-06 | Heat pipe sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202195742U (en) |
-
2011
- 2011-07-06 CN CN2011202350675U patent/CN202195742U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Yangzhou Goldstar Technology Industry Co.,Ltd. Assignor: Yangzhou Xinjing Petrochemical Electric Power Machinery Co., Ltd. Contract record no.: 2012320000726 Denomination of utility model: Closed tubular electroheating tube sealing structure for heating electric motor Granted publication date: 20120418 License type: Exclusive License Record date: 20120606 |
|
| 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: 20120418 Termination date: 20160706 |