CN107339426A - A kind of spoke cold drawing fills the high-air-tightness combined sealing structure of head - Google Patents
A kind of spoke cold drawing fills the high-air-tightness combined sealing structure of head Download PDFInfo
- Publication number
- CN107339426A CN107339426A CN201710519590.2A CN201710519590A CN107339426A CN 107339426 A CN107339426 A CN 107339426A CN 201710519590 A CN201710519590 A CN 201710519590A CN 107339426 A CN107339426 A CN 107339426A
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- China
- Prior art keywords
- hole
- fills
- filling
- head
- cold drawing
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Gasket Seals (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention discloses a kind of high-air-tightness combined sealing structure for solving the problems, such as that equipment requirement is high, fills and weld the not high spoke cold drawing of inseparable, structural strength fills head, it, which is specifically included, fills header structure body, and the bottom for filling header structure body, which has, fills hole；And pre-sealed component, hold down assembly, seal assembly.A kind of spoke cold drawing provided by the invention fills the high-air-tightness combined sealing structure of head, pre-sealed to be completed with manually operated, reduces the requirement to equipment；Completing pre-sealed spoke cold drawing easily can carry and shift；After the completion of structural sealing, filling head just has good air-tightness, it is not necessary to carries out built-up welding again；Filling header structure body has very high structural strength, can effectively protect its internal sealing structure.
Description
Technical field
The present invention relates to space optics technical field, more particularly to a kind of spoke cold drawing to fill the high-air-tightness combination sealing of head
Device.
Background technology
When Space Remote Sensors start shooting operation in orbit, CCD device and electronics element can produce substantial amounts of heat, these
Heat needs to be conducted, and otherwise CCD device and electronics element can burn because temperature is too high.Conventional solution is
Hot junction and cold end are connected with heat pipe, cold end is conducted heat to by heat pipe, allows cold end to absorb heat and radiate heat.
With advances in technology, cold end mainly uses phase-change heat transfer plate or spoke cold drawing.
The inside of spoke cold drawing is filled with phase change medium, in order to can long-term stable operation, and prevent phase change medium from letting out
Caused by leakage the problem of polluted space remote sensor, spoke cold drawing must have excellent sealing property.
The head that fills of spoke cold drawing is to fill phase change medium to the passage of spoke cold drawing inner volume, is needed after completing to fill
It is sealed.Existing technology is by a set of complicated equipment, by the filling of phase change medium and fills the mechanical close of head
Envelope is once completed, and is then again sealed off with built-up welding filling head again.The limitation of this technology is that equipment is rare and expensive, and spoke is cold
Filling and welding for plate must once succeed；Shortcoming be fill head structural strength it is not high.
The content of the invention
It is an object of the invention to provide one kind to solve equipment requirement height, fill and weld inseparable, structural strength not
The spoke cold drawing of the problem of high fills the high-air-tightness combined sealing structure of head.
To achieve these goals, the present invention provides following technical scheme：
A kind of spoke cold drawing disclosed by the invention fills the high-air-tightness combined sealing structure of head, including：
Header structure body is filled, the bottom for filling header structure body, which has, fills hole；
Pre-sealed component, the pre-sealed component include filling the first hole that hole connect and described in being positioned over described
Steel ball in first hole；
Hold down assembly, it is described hold down assembly including the upper surface with the steel ball against jackscrew；
Seal assembly, the seal assembly include being placed in the plug for filling header structure body upper part and place institute
State the second hole of plug, and the upper surface of the plug and the upper surface flush for filling header structure body, the plug with
The mating surface for filling header structure body is welded and fixed.
Further, first hole is taper hole, and the diameter of the taper hole from top to bottom is arranged at described with being sequentially reduced
The top in hole is filled, and the diameter of the lower surface of the taper hole is not less than the diameter for filling hole；
The diameter of the steel ball is more than the diameter for filling hole.
Further, described hold down assembly also includes a screwed hole connected with the taper hole, the jackscrew threaded connection
In in the screwed hole, and set between the screwed hole and the taper hole and be free knife；
The path of the screwed hole is more than the diameter of the steel ball.
Further, the second hole of the seal assembly is cylindrical hole, and the diameter of the cylindrical hole is more than the screw thread
The big footpath in hole, when the plug inserts the cylindrical hole, the outer surface of the plug is bonded with the inner surface of the cylindrical hole.
Further, the plug and the weld seam of the mating surface for filling header structure body pass through vacuum electron beam welding
Form.
In the above-mentioned technical solutions, a kind of spoke cold drawing provided by the invention fills the high-air-tightness combined sealing structure of head,
It is pre-sealed to be completed with manually operated, reduce the requirement to equipment；Completing pre-sealed spoke cold drawing can easily carry
And transfer；After the completion of structural sealing, filling head just has good air-tightness, it is not necessary to carries out built-up welding again；Fill header structure
Body has very high structural strength, can effectively protect its internal sealing structure.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the sealing knot for the high-air-tightness combined sealing structure that a kind of spoke cold drawing provided in an embodiment of the present invention fills head
Structure schematic diagram；
Fig. 2 is that the header structure that fills for the high-air-tightness combined sealing structure that a kind of spoke cold drawing shown in Fig. 1 fills head is illustrated
Figure.
Description of reference numerals：
1st, header structure body is filled；2nd, steel ball；3rd, jackscrew；4th, plug；5th, weld seam；6th, hole is filled；7th, taper hole；8th, empty knife；
9th, screwed hole；10th, cylindrical hole.
Embodiment
In order that those skilled in the art more fully understands technical scheme, below in conjunction with accompanying drawing to this hair
It is bright to be further detailed.
Referring to shown in Fig. 1-2；
A kind of spoke cold drawing of the present invention fills the high-air-tightness combined sealing structure of head, including：
Header structure body 1 is filled, the bottom for filling header structure body 1, which has, fills hole 6；
Pre-sealed component, pre-sealed component are included with filling the first hole that hole 6 connects and the steel being positioned in the first hole
Ball 2；
Hold down assembly, hold down assembly including the upper surface with steel ball 2 against jackscrew 3；
Seal assembly, seal assembly include being placed in the plug 4 that fills the top of header structure body 1 and place plug 4 the
Two holes, and the upper surface of plug 4 and the upper surface flush for filling header structure body 1, plug 4 is with filling matching somebody with somebody for header structure body 1
Conjunction face is welded and fixed.
Specifically, can be solved present embodiment discloses one kind, equipment requirement is high, fill and welds inseparable, structure
The spoke cold drawing for the problem of intensity is not high fills the high-air-tightness combined sealing structure of head.Wherein mainly include pre-sealed component and close
Sealing assembly, the header structure body 1 that fills in the present embodiment mainly fills phase change medium to spoke cold drawing, and is carried for filling
For filling channel.Therefore, the present embodiment is provided with the bottom for filling header structure body 1 and fills hole 6, and the first sealing in scheme
Structure is above-mentioned pre-sealed component, and it includes the first hole connected with filling hole 6, being placed with steel ball 2 in the first hole, working as phase transformation
After the completion of medium fills, steel ball 2 is positioned in first hole, and the bottom of the lower surface of the steel ball 2 and the first hole abuts
Pre-sealed effect is played to filling hole 6；Then, the steel ball 2 being opposite to using holding down assembly in the present embodiment in the first hole is entered
Row compresses, wherein it is ensured that the compacting part of 2 pre-sealed effect of steel ball is the jackscrew 3 in holding down assembly；Finally, seal assembly is utilized
Plug 4 to fill header structure body 1 carry out sealing welding operation, complete whole sealing operation.
Preferably, the first hole is taper hole 7 in the present embodiment, and the diameter of taper hole 7 from top to bottom is arranged at being sequentially reduced to be filled
The top in hole 6 is filled, and the diameter of the lower surface of taper hole 7 is not less than the diameter for filling hole 6；The diameter of steel ball 2, which is more than, fills hole 6
Diameter.The first hole in pre-sealed component disclosed in the present embodiment employs taper hole 7, and during pre-sealed operation, steel ball 2 is by taper hole 7
Top enter taper hole 7 bottom, because the diameter of taper hole 7 from top to bottom is sequentially reduced, top meet steel ball 2 enter require,
Bottom can prevent steel ball 2 from removing taper hole 7, and ensure that steel ball 2 can abut the circular conical surface of taper hole 7, realize pre-sealed.It is pre-sealed
After the completion of, can will be pre-sealed after spoke cold drawing be transferred to welded seal station, carry out subsequent job.
Preferably, being held down assembly in the present embodiment also includes a screwed hole 9 connected with taper hole, and jackscrew 3 is threadedly connected to
In screwed hole 9, and setting is free knife 8 between screwed hole 9 and taper hole 7；The path of screwed hole 9 is more than the diameter of steel ball 2.Wherein,
Path refers to the circular diameter between the screw thread of screwed hole 9 most inner side.In addition, the second hole of seal assembly is cylindrical hole 10,
And the diameter of cylindrical hole 10 is more than the big footpath of screwed hole 9, wherein, big footpath refers to the external diameter of screwed hole 9, and plug 4 inserts cylinder
During hole 10, the outer surface of plug 4 is bonded with the inner surface of cylindrical hole 10.Device is completed pre-sealed rear, it is necessary in welded seal work
Position carries out sealing operation, and plug 4 and the weld seam 5 for the mating surface for filling header structure body 1 pass through vacuum electron beam in the present embodiment
It is welded, the structural weld seam 5 of formation can play sealing effectiveness.
In the above-mentioned technical solutions, a kind of spoke cold drawing provided by the invention fills the high-air-tightness combined sealing structure of head,
It is pre-sealed to be completed with manually operated, reduce the requirement to equipment；Completing pre-sealed spoke cold drawing can easily carry
And transfer；After the completion of structural sealing, filling head just has good air-tightness, it is not necessary to carries out built-up welding again；Fill header structure
Body 1 has very high structural strength, can effectively protect its internal sealing structure.
Some one exemplary embodiments of the present invention are only described by way of explanation above, undoubtedly, for ability
The those of ordinary skill in domain, without departing from the spirit and scope of the present invention, can be with a variety of modes to institute
The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to the present invention
The limitation of claims.
Claims (5)
1. a kind of spoke cold drawing fills the high-air-tightness combined sealing structure of head, it is characterised in that including：
Header structure body (1) is filled, the bottom for filling header structure body (1), which has, fills hole (6)；
Pre-sealed component, the pre-sealed component include filling the first hole that hole (6) connects with described and being positioned over described the
Steel ball (2) in one hole；
Hold down assembly, it is described hold down assembly including the upper surface with the steel ball (2) against jackscrew (3)；
Seal assembly, the seal assembly include being placed in the plug (4) for filling header structure body (1) top and placed
Second hole of the plug (4), and the upper surface of the plug (4) and the upper surface flush for filling header structure body (1),
The plug (4) is welded and fixed with the mating surface for filling header structure body (1).
2. a kind of spoke cold drawing according to claim 1 fills the high-air-tightness combined sealing structure of head, it is characterised in that institute
It is taper hole (7) to state the first hole, and the diameter of the taper hole (7) from top to bottom is arranged at being sequentially reduced described fills the upper of hole (6)
Side, and the diameter of the lower surface of the taper hole (7) is not less than the diameter for filling hole (6)；
The diameter of the steel ball (2) is more than the diameter for filling hole (6).
3. a kind of spoke cold drawing according to claim 2 fills the high-air-tightness combined sealing structure of head, it is characterised in that institute
State to hold down assembly and also include a screwed hole (9) connected with the taper hole (7), the jackscrew (3) is threadedly connected to the screw thread
In hole (9), and setting is free knife (8) between the screwed hole (9) and the taper hole (7)；
The path of the screwed hole (9) is more than the diameter of the steel ball (2).
4. a kind of spoke cold drawing according to claim 3 fills the high-air-tightness combined sealing structure of head, it is characterised in that institute
The second hole for stating seal assembly is cylindrical hole (10), and the diameter of the cylindrical hole (10) is more than the big footpath of the screwed hole (9),
When the plug (4) inserts cylindrical hole (10), the outer surface of the plug (4) is pasted with the inner surface of the cylindrical hole (10)
Close.
5. a kind of spoke cold drawing according to any one of claim 1 to 4 fills the high-air-tightness combined sealing structure of head, its
It is characterised by, the plug (4) and the weld seam (5) of the mating surface for filling header structure body (1) pass through electron-bombardment welding
Connect and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519590.2A CN107339426A (en) | 2017-06-30 | 2017-06-30 | A kind of spoke cold drawing fills the high-air-tightness combined sealing structure of head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710519590.2A CN107339426A (en) | 2017-06-30 | 2017-06-30 | A kind of spoke cold drawing fills the high-air-tightness combined sealing structure of head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107339426A true CN107339426A (en) | 2017-11-10 |
Family
ID=60219268
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710519590.2A Pending CN107339426A (en) | 2017-06-30 | 2017-06-30 | A kind of spoke cold drawing fills the high-air-tightness combined sealing structure of head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339426A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388310A (en) * | 2018-04-16 | 2019-10-29 | 大众汽车有限公司 | Compressor housing and method for installing compressor housing |
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| CN2117462U (en) * | 1991-12-13 | 1992-09-30 | 胜利石油管理局临盘采油厂 | Bare rod falling down ball type blow-out preventer |
| JPH1182431A (en) * | 1997-09-10 | 1999-03-26 | Toyota Motor Corp | Ball press fitting and sealing structure |
| CN2575388Y (en) * | 2002-09-29 | 2003-09-24 | 上海自行车厂 | Mobile valve pipe coupling device |
| CN201025196Y (en) * | 2007-04-09 | 2008-02-20 | 辽宁新风企业集团有限公司 | A high-pressure oil pipe connector |
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| CN203963304U (en) * | 2014-06-16 | 2014-11-26 | 无锡全邦能源科技有限公司 | Heat-exchanging element topping up joint |
| CN104500583A (en) * | 2014-12-01 | 2015-04-08 | 新昌县华雄机械有限公司 | Bearing locating sleeve |
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2017
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| CN2117462U (en) * | 1991-12-13 | 1992-09-30 | 胜利石油管理局临盘采油厂 | Bare rod falling down ball type blow-out preventer |
| JPH1182431A (en) * | 1997-09-10 | 1999-03-26 | Toyota Motor Corp | Ball press fitting and sealing structure |
| CN2575388Y (en) * | 2002-09-29 | 2003-09-24 | 上海自行车厂 | Mobile valve pipe coupling device |
| CN201025196Y (en) * | 2007-04-09 | 2008-02-20 | 辽宁新风企业集团有限公司 | A high-pressure oil pipe connector |
| CN103867718A (en) * | 2012-12-07 | 2014-06-18 | 宁波市鄞州通用电器二厂 | Ball-swelling type high-pressure end cap |
| KR101448080B1 (en) * | 2014-04-14 | 2014-10-13 | 조인트유창써멀시스템 주식회사 | Packing cylinder for use of expansion joint |
| CN203963304U (en) * | 2014-06-16 | 2014-11-26 | 无锡全邦能源科技有限公司 | Heat-exchanging element topping up joint |
| CN104500583A (en) * | 2014-12-01 | 2015-04-08 | 新昌县华雄机械有限公司 | Bearing locating sleeve |
| CN104896092A (en) * | 2015-05-26 | 2015-09-09 | 哈尔滨哈锅锅炉容器工程有限责任公司 | Low-stress hole plugging pin special for pipe pipe-sheet heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388310A (en) * | 2018-04-16 | 2019-10-29 | 大众汽车有限公司 | Compressor housing and method for installing compressor housing |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: He Xin Inventor after: Yuan Tao Inventor before: He Huan Inventor before: Yuan Tao |
|
| CB03 | Change of inventor or designer information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |
|
| RJ01 | Rejection of invention patent application after publication |