CN203300535U - Vacuum switch tube sealing ring - Google Patents
Vacuum switch tube sealing ring Download PDFInfo
- Publication number
- CN203300535U CN203300535U CN2013202554385U CN201320255438U CN203300535U CN 203300535 U CN203300535 U CN 203300535U CN 2013202554385 U CN2013202554385 U CN 2013202554385U CN 201320255438 U CN201320255438 U CN 201320255438U CN 203300535 U CN203300535 U CN 203300535U
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- China
- Prior art keywords
- sealing ring
- vacuum switch
- switch tube
- tube
- utility
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- Expired - Fee Related
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Abstract
The utility model discloses a vacuum switch tube sealing ring which comprises a sealing ring (1). A first flanging clamp (5) which is matched with a dynamic end cover (2) and a static end cover (3) is arranged at the top of the sealing ring (1). A second flanging clamp (6) which is matched with a porcelain tube (4) in inner diameter is arranged at the bottom of the sealing ring (1). According to the utility model, a vacuum switch tube adopts the novel transition sealing ring (1); the sealing ring (1) changes the conditions that the assembly of the original sealing ring (1) and the porcelain tube (4) cannot be positioned and no radial constraint exists; the coaxiality of the end covers, the sealing ring (1) and the porcelain tube (4) is effectively ensured; the original tube material turning forming is changed into sheet metal direct blanking flanging forming, so that the vacuum switch tube sealing ring has the advantages of good size consistency and high production efficiency, and the welding stress of the sealing ring (1), the porcelain tube (4) and the end covers can be reduced; the yield is further improved; the material consumption of the sealing ring (1) is reduced; and the production cost of the part is reduced.
Description
Technical field
The utility model relates to the vacuum circuit-breaker vacuum switch tube, specifically a kind of sealing ring of vacuum switch tube.
Background technology
Existing vacuum switch tube is by materials in the tube turning machine-shaping, existing sealing ring can not accurately located with sound end cap and the timing of porcelain wound packages, during assembling and positioning by visually observing, during vacuum brazing, end cap easily slides on porcelain cylinder end face, the axiality of end cap, sealing ring and porcelain cylinder is difficult to guarantee, therefore is necessary to improve.
Summary of the invention
The purpose of this utility model is to provide a kind of sealing ring of vacuum switch tube, and it is simple in structure, and is easy for installation, can effectively guarantee the axiality between end cap, sealing ring and porcelain cylinder.
To achieve these goals, the technical solution of the utility model is: the sealing ring of vacuum switch tube, it is characterized in that: it comprises sealing ring, the end face of described sealing ring is provided with the first flange card with moved end lid and quiet end cap coupling, and the bottom surface of described sealing ring is provided with the second flange card that the internal diameter with the porcelain cylinder mates.
In technique scheme, vacuum switch tube described in the utility model adopts new transition sealing ring, this sealing ring changed former sealing ring and porcelain wound packages join can not locate, radially unconfined situation, effectively guaranteed the axiality of end cap, sealing ring and porcelain cylinder.
The first flange card on described sealing ring and/or the second flange card have been evenly arranged four to eight along the circumferencial direction of sealing ring.
In technique scheme, the number of the first flange card and the second flange card is take four as best.
Described sealing ring is sheet metal forming, and the thickness of sealing ring is 0.5mm～1mm.The thickness of described sealing ring is about 0.5mm.
In technique scheme, existing sealing ring is processed by turning, and its thickness is about 1mm.Because sealing ring described in the utility model is sheet metal forming, its processing is more simple and convenient, has saved the concerned process steps cost.After the thickness of sealing ring of the present utility model reduced to 0.5mm, sealing ring was after vacuum brazing, and the welding stress of sealing ring and porcelain cylinder and end cap has had obvious improvement, and the leak rate of soldering final vacuum switching tube descends to some extent, had also reduced production cost simultaneously.
To sum up, vacuum switch tube described in the utility model adopts new transition sealing ring, this sealing ring changed former sealing ring and porcelain wound packages join can not locate, radially unconfined situation, effectively guaranteed the axiality of end cap, sealing ring and porcelain cylinder; Simultaneously, the moulding process that the utility model will be processed with materials in the tube turning originally, change by the moulding of the direct blanking flange of plate, not only dimensional uniformity is good for it, production efficiency is higher, and has reduced the welding stress of sealing ring and porcelain cylinder and end cap, has further improved rate of finished products, the material consumption of sealing ring described in the utility model simultaneously reduces, and has reduced the production cost of this part.
Description of drawings
Fig. 1 is vertical view of the present utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the structural representation that contains the vacuum switch tube of sealing ring described in the utility model.
Fig. 4 is the local structure for amplifying schematic diagram of F1 in Fig. 3.
Fig. 5 is the local structure for amplifying schematic diagram of T1 in Fig. 3.
Fig. 6 is the front view of the sealing ring of prior art.
Fig. 7 is the structural representation that contains the vacuum switch tube of existing sealing ring.
Fig. 8 is the local structure for amplifying schematic diagram of F in Fig. 7.
Fig. 9 is the local structure for amplifying schematic diagram of T in Fig. 7.
1-sealing ring in figure, 2-moved end lid, the quiet end cap of 3-, 4-porcelain cylinder, 5-the first flange card, 6-the second flange card.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not form to restriction of the present utility model, only for example.Make advantage of the present utility model become more clear and easily understand by explanation simultaneously.
Fig. 1 is vertical view of the present utility model.Fig. 2 is the A-A cutaway view of Fig. 1.Fig. 3 is the structural representation that contains the vacuum switch tube of sealing ring described in the utility model.Fig. 4 is the local structure for amplifying schematic diagram of F1 in Fig. 3.Fig. 5 is the local structure for amplifying schematic diagram of T1 in Fig. 3.Fig. 6 is the front view of the sealing ring of prior art.Fig. 7 is the structural representation that contains the vacuum switch tube of existing sealing ring.Fig. 8 is the local structure for amplifying schematic diagram of F in Fig. 7.Fig. 9 is the local structure for amplifying schematic diagram of T in Fig. 7.
Consult accompanying drawing as can be known: as depicted in figs. 1 and 2, the sealing ring of vacuum switch tube, it comprises sealing ring 1, and the end face of described sealing ring 1 is provided with the first flange card 5 with moved end lid 2 and quiet end cap 3 couplings, and the bottom surface of described sealing ring 1 is provided with the second flange card 6 with the internal diameter coupling of porcelain cylinder 4.
In technique scheme, vacuum switch tube described in the utility model adopts new transition sealing ring 1, this sealing ring 1 changed former sealing ring 1 join with the porcelain wound packages can not locate, radially unconfined situation, effectively guaranteed the axiality of end cap, sealing ring 1 and porcelain cylinder 4.
The first flange card 5 on described sealing ring 1 and/or the second flange card 6 have been evenly arranged four to eight along the circumferencial direction of sealing ring 1.
In technique scheme, the number of the first flange card 5 and the second flange card 6 is take four as best.
Described sealing ring 1 is sheet metal forming, and the thickness of sealing ring 1 is 0.5mm～1mm.The thickness of described sealing ring 1 is about 0.5mm.
In technique scheme, existing sealing ring 1 is processed by turning, and its thickness is about 1mm.Because sealing ring 1 described in the utility model is sheet metal forming, its processing is more simple and convenient, has saved the concerned process steps cost.After the thickness of sealing ring 1 of the present utility model reduces to 0.5mm, sealing ring 1 is through after vacuum brazing, sealing ring 1 has had obvious improvement with the welding stress of porcelain cylinder and end cap, and the leak rate of soldering final vacuum switching tube descends to some extent, has also reduced production cost simultaneously.
in practical work process, as shown in Figures 3 to 5, sealing ring 1 is mounted on vacuum switch tube, vacuum switch tube comprises porcelain cylinder 4, be provided with moving tube core and static conductive rod at the two ends of porcelain cylinder 4 shaft core position, there is fixed contact the end of static conductive rod, fixed contact contacts with moving contact, described moving contact, moving conductive rod, protective cover, bellows, after moved end lid and retainer ring assemble corresponding scolder on request, said structure is advanced the slice weldering and then forms moving tube core, between described moved end lid and protective cover, soldering has bellows, described bellows-sheathed is contained on moving conductive rod, be fixed on an end of porcelain cylinder after described moving tube core soldering, fixed contact is fixed on the other end of porcelain cylinder by quiet end cap 3 and grading ring, moving contact, fixed contact and a static conductive rod part are positioned at shielding cylinder, seal by the sealing ring that is positioned at upper end between described moved end lid 2 and porcelain cylinder 4, seal by the sealing ring that is positioned at lower end between described quiet end cap 3 and porcelain cylinder 4, the sealing ring sealing that is positioned at upper end is just the same with the sealing ring sealing that is positioned at lower end, described porcelain cylinder 4 is that two ends scribble metal layer, through isostatic pressing process, outer surface is the insulation porcelain cylinder with the shirt rim ripple type, and the new sealing ring after architecture advances is cut processing with original oxygen-free copper pipe truck and changed into sheet metal forming.
In practical work process, sealing ring 1 described in the utility model is cold stamping shaped by the oxygen-free copper plate, namely first the no-oxygen copper plate blanking is processed into the annular of Φ 78 cylindricals and Φ 70 inner circles, the outside respectively is uniformly distributed and goes out four square locator cards more within it.Inside and outside circle flange opposite direction, namely down, up, its shape and assembling mode are fully different from former sealing ring for cylindrical for inner circle.
Other unspecified part all belongs to prior art.
Claims (4)
1. the sealing ring of vacuum switch tube, it is characterized in that: it comprises sealing ring (1), the end face of described sealing ring (1) is provided with the first flange card (5) with moved end lid (2) and quiet end cap (3) coupling, and the bottom surface of described sealing ring (1) is provided with the second flange card (6) that the internal diameter with porcelain cylinder (4) mates.
2. vacuum switch tube according to claim 1, it is characterized in that: the first flange card (5) on described sealing ring (1) and/or the second flange card (6) have been evenly arranged four to eight along the circumferencial direction of sealing ring (1).
3. vacuum switch tube according to claim 1, it is characterized in that: described sealing ring (1) is sheet metal forming, and the thickness of sealing ring (1) is 0.5mm～1mm.
4. vacuum switch tube according to claim 3, it is characterized in that: the thickness of described sealing ring (1) is about 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202554385U CN203300535U (en) | 2013-05-10 | 2013-05-10 | Vacuum switch tube sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202554385U CN203300535U (en) | 2013-05-10 | 2013-05-10 | Vacuum switch tube sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203300535U true CN203300535U (en) | 2013-11-20 |
Family
ID=49576529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202554385U Expired - Fee Related CN203300535U (en) | 2013-05-10 | 2013-05-10 | Vacuum switch tube sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203300535U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979131A (en) * | 2015-07-09 | 2015-10-14 | 温州浙光电子有限公司 | Sealing ring capable of being directly sealed with ceramics |
-
2013
- 2013-05-10 CN CN2013202554385U patent/CN203300535U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104979131A (en) * | 2015-07-09 | 2015-10-14 | 温州浙光电子有限公司 | Sealing ring capable of being directly sealed with ceramics |
| CN104979131B (en) * | 2015-07-09 | 2017-03-15 | 温州浙光电子有限公司 | A kind of can be directly and the sealing structure of crunch seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20200510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |