CN205264598U - Conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod - Google Patents
Conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod Download PDFInfo
- Publication number
- CN205264598U CN205264598U CN201521056139.4U CN201521056139U CN205264598U CN 205264598 U CN205264598 U CN 205264598U CN 201521056139 U CN201521056139 U CN 201521056139U CN 205264598 U CN205264598 U CN 205264598U
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- rod
- conducting rod
- fixed contact
- vacuum interrupter
- contact pedestal
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- High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
Abstract
The utility model provides a conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod. The main body of rod of solving the conducting rod among the present vacuum interrupter with move / the stationary contact headstock adopts welded connection to be in the same place, needs to consume extra silver, the cost is higher, in addition the product that obtains of welding because the air spots results in hanging down straightness relatively low, so resistance is big, problem that the quality is low. Its characterized in that: the body of rod (1) and move / stationary contact headstock (2) are through cold extrusion integrated into one piece. The utility model provides a conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod, guide arm in its conducting rod with move / the stationary contact headstock forms by cold extrusion an organic whole, does not need extra silver, the cost is lower, saves the resource, and the integrated into one piece product to hang down straightness more accurate, resistance is less, the quality is higher.
Description
Technical field
The utility model belongs to vacuum circuit breaker accessory field, particularly a kind of conducting rod of drive/fixed contact pedestal and the vacuum interrupter with this conducting rod.
Background technology
Vacuum interrupter is the heart of vacuum circuit breaker, it is high that the vacuum interrupter that is fitted to vacuum circuit breaker has product reliability, maintenance workload is little, without fire explosion danger, cut-off capacity large, the advantages such as volume is little, are widely used in the fields such as electrical power trans mission/distribution system and high-speed railway, electric railway, oil, chemical industry, metallurgy, mine, communication. Its Main Function is, make after mesohigh circuitry cuts power supply blow-out rapidly and suppress electric current by managing insulating properties that interior vacuum is good, avoid accident and unexpected generation, the power transmission and distribution control system that is mainly used in electric power, is also applied to the distribution systems such as metallurgy, mine, oil, chemical industry, railway, broadcast, communication, industrial high-frequency heating. There is energy-conservation, material-saving, fire prevention, explosion-proof, volume is little, the life-span is long, maintenance cost is low, the feature such as reliable and pollution-free.
Conducting rod in vacuum interrupter is its important part, and the body of rod of present conducting rod and quiet headstock adopt and be welded together, and need to consume extra silver, and cost is higher, and the product resistance that welding obtains is large, and quality is low.
Utility model content
In order to overcome the deficiency of background technology, the utility model provides a kind of conducting rod of drive/fixed contact pedestal and the vacuum interrupter with this conducting rod, the body of rod and the moving/fixed contact pedestal employing that mainly solve the conducting rod in existing vacuum interrupter are welded together, need to consume extra silver, cost is higher, and weld the product obtaining because air spots causes perpendicularity relatively low, therefore resistance is large, the problem that quality is low.
The technical scheme that the utility model adopts is:
A conducting rod for drive/fixed contact pedestal, comprises the body of rod and moving/fixed contact pedestal, and the described body of rod and moving/fixed contact pedestal is one-body molded by cold extrusion.
The diameter of described move/fixed contact pedestal is greater than the maximum gauge of the described body of rod, and offers some skewed slots on its sidewall.
A kind of vacuum interrupter, comprises housing, and in described housing, correspondence is provided with static conductive rod and moving conductive rod, and described static conductive rod and/or moving conductive rod are the conducting rod of above-mentioned a kind of drive/fixed contact pedestal.
Described static conductive rod comprises fixed contact pedestal, and described moving conductive rod comprises the sound headstock corresponding with described fixed contact pedestal, and described fixed contact pedestal and sound headstock outside are provided with shielding cylinder.
Described housing comprises the first porcelain shell and the second porcelain shell, and described the first porcelain shell is connected with the connecting ring that the second porcelain shell is provided with by opposite face, and the described first porcelain shell other end is provided with moving cover plate, and the described first porcelain shell other end is provided with quiet cover plate.
The outer wall of described the first porcelain shell and the second porcelain shell is wavy.
Described moving conductive rod middle-end outside is arranged with bellows, and described bellows bottom is provided with bellows shield cover in week laterally, and top week is provided with grading shield laterally.
The beneficial effects of the utility model are: the utility model provides a kind of conducting rod of drive/fixed contact pedestal and the vacuum interrupter with this conducting rod, guide rod in its conducting rod and moving/fixed contact pedestal is to be formed by cold extrusion one, do not need extra silver, cost is lower, saving resource; And the perpendicularity of one-body molded product is more accurate, resistance is less, and quality is higher.
Brief description of the drawings
Fig. 1 is the schematic perspective view of an embodiment of the utility model.
Fig. 2 is the cutaway view that embodiment of the utility model is installed on vacuum interrupter.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail: as shown in the figure, a kind of conducting rod of drive/fixed contact pedestal, comprises the body of rod 1 and moving/fixed contact pedestal 2, and the described body of rod 1 and moving/fixed contact pedestal 2 is one-body molded by cold extrusion. Cold extrusion is placed on metal blank in cold extrusion die cavity exactly, at room temperature, exerts pressure to blank by punch fixing on forcing press, makes metal blank produce plastic deformation and makes the processing method of part. Prior art adopts the means of welding, air spots, cause perpendicularity not high, resistance is larger, the utility model provides a kind of conducting rod of drive/fixed contact pedestal and the vacuum interrupter with this conducting rod, and the guide rod in its conducting rod and quiet headstock are to be formed by cold extrusion one, do not need extra silver, cost is lower, saving resource; And one-body molded perpendicularity is more accurate, the resistance of product is less, and quality is higher.
In the utility model, as shown in the figure, the described move/diameter of fixed contact pedestal 2 is greater than the maximum gauge of the described body of rod 1, and on its sidewall, offers some skewed slots 21. Contact area is larger, strong with skewed slot connecting-disconnecting function, and arc quenching effect is good.
In the utility model, as shown in the figure, a kind of vacuum interrupter, comprises housing 3, and the interior correspondence of described housing 3 is provided with static conductive rod 31 and moving conductive rod 32, and described static conductive rod 31 and/or moving conductive rod 32 are the conducting rod of above-mentioned a kind of drive/fixed contact pedestal. Static conductive rod and moving conductive rod can be all above-mentioned conducting rod, can be also that static conductive rod is that above-mentioned conducting rod or moving conductive rod is above-mentioned conducting rod, and as preferred version, for being both above-mentioned conducting rod, result of use is better.
In the utility model, as shown in the figure, described static conductive rod 31 comprises fixed contact pedestal 311, and described moving conductive rod 32 comprises the sound headstock 321 corresponding with described fixed contact pedestal 311, and described fixed contact pedestal 311 and sound headstock 321 outsides are provided with shielding cylinder 4. Shielding cylinder can prevent that contact from producing a large amount of metallic vapours and droplets in arcing process, pollutes the inwall of insulation crust, avoids causing the dielectric strength of vacuum arc extinguish chamber housing decline or produce flashover; Improve the Electric Field Distribution of vacuum extinction chamber interior, be conducive to the miniaturization of vacuum interrupter insulation crust, especially have remarkable result for high-tension vacuum interrupter miniaturization; Absorb a part of arc energy, condensation electric arc product. Particularly vacuum interrupter is in the time cut-offfing short circuit current, and the most of conductively-closed system of heat energy that electric arc produces absorbs, and is conducive to improve the medium recovery strength between contact.
In the utility model, as shown in the figure, described housing 3 comprises the first porcelain shell 33 and the second porcelain shell 34, described the first porcelain shell 33 is connected with the connecting ring 35 that the second porcelain shell 34 is provided with by opposite face, described first porcelain shell 33 other ends are provided with moving cover plate 36, and described first porcelain shell 33 other ends are provided with quiet cover plate 37. The connection of connecting ring and first and second porcelain shell can adopt sealing-in to realize, and sound cover plate is spacing at two ends, installs more firmly, and result of use is good.
In the utility model, as shown in the figure, the outer wall of described the first porcelain shell 33 and the second porcelain shell 34 is wavy.
In the utility model, as shown in the figure, described moving conductive rod 32 middle-end outsides are arranged with bellows 325, and described 325 bottom weeks of bellows are provided with bellows shield cover 322 laterally, and top week is provided with grading shield 323 laterally. The bellows of vacuum interrupter is mainly undertaken and is ensured that moving electrode moves within the specific limits and keep for a long time the function of high vacuum, and ensures that vacuum interrupter has very high mechanical life. The shell element that the stainless steel that the bellows of vacuum interrupter is is 0.1 ~ 0.2mm by thickness is made. Simple in structure, increase service life, result of use is better.
Embodiment should not be considered as restriction of the present utility model, but any improvement of doing based on spirit of the present utility model, all should be within protection domain of the present utility model.
Claims (7)
1. a conducting rod for drive/fixed contact pedestal, comprises the body of rod (1) and moving/fixed contact pedestal (2), it is characterized in that: the described body of rod (1) and moving/fixed contact pedestal (2) is one-body molded by cold extrusion.
2. the conducting rod of a kind of drive/fixed contact pedestal according to claim 1, is characterized in that: the diameter of described move/fixed contact pedestal (2) is greater than the maximum gauge of the described body of rod (1), and on its sidewall, offers some skewed slots (21).
3. a vacuum interrupter, comprise housing (3), the interior correspondence of described housing (3) is provided with static conductive rod (31) and moving conductive rod (32), it is characterized in that: described static conductive rod (31) and/or moving conductive rod (32) are the conducting rod of a kind of drive/fixed contact pedestal described in claim 1 or 2.
4. a kind of vacuum interrupter according to claim 3, it is characterized in that: described static conductive rod (31) comprises fixed contact pedestal (311), described moving conductive rod (32) comprises the sound headstock (321) corresponding with described fixed contact pedestal (311), and described fixed contact pedestal (311) and sound headstock (321) outside are provided with shielding cylinder (4).
5. a kind of vacuum interrupter according to claim 3, it is characterized in that: described housing (3) comprises the first porcelain shell (33) and the second porcelain shell (34), described the first porcelain shell (33) is connected with the connecting ring (35) that the second porcelain shell (34) is provided with by opposite face, described first porcelain shell (33) other end is provided with moving cover plate (36), and described first porcelain shell (33) other end is provided with quiet cover plate (37).
6. a kind of vacuum interrupter according to claim 5, is characterized in that: the outer wall of described the first porcelain shell (33) and the second porcelain shell (34) is wavy.
7. a kind of vacuum interrupter according to claim 3, it is characterized in that: described moving conductive rod (32) middle-end outside is arranged with bellows (325), described bellows (325) bottom is provided with bellows shield cover (322) week laterally, and is provided with laterally grading shield (323) top week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056139.4U CN205264598U (en) | 2015-12-17 | 2015-12-17 | Conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521056139.4U CN205264598U (en) | 2015-12-17 | 2015-12-17 | Conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205264598U true CN205264598U (en) | 2016-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521056139.4U Active CN205264598U (en) | 2015-12-17 | 2015-12-17 | Conducting rod of drive / stationary contact headstock and take vacuum interrupter of this conducting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205264598U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036949A (en) * | 2018-08-31 | 2018-12-18 | 陕西宝光真空电器股份有限公司 | A kind of vacuum interrupter conducting rod and its processing method |
| CN117174526A (en) * | 2023-11-03 | 2023-12-05 | 沈阳华德海泰电器有限公司 | Vacuum arc-extinguishing chamber with prolonged service life |
-
2015
- 2015-12-17 CN CN201521056139.4U patent/CN205264598U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109036949A (en) * | 2018-08-31 | 2018-12-18 | 陕西宝光真空电器股份有限公司 | A kind of vacuum interrupter conducting rod and its processing method |
| CN117174526A (en) * | 2023-11-03 | 2023-12-05 | 沈阳华德海泰电器有限公司 | Vacuum arc-extinguishing chamber with prolonged service life |
| CN117174526B (en) * | 2023-11-03 | 2024-01-05 | 沈阳华德海泰电器有限公司 | Vacuum arc-extinguishing chamber with prolonged service life |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |