CN205282375U - Vacuum interrupter and contact means and device's conducting rod, contact thereof - Google Patents
Vacuum interrupter and contact means and device's conducting rod, contact thereof Download PDFInfo
- Publication number
- CN205282375U CN205282375U CN201520991641.8U CN201520991641U CN205282375U CN 205282375 U CN205282375 U CN 205282375U CN 201520991641 U CN201520991641 U CN 201520991641U CN 205282375 U CN205282375 U CN 205282375U
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- Prior art keywords
- contact
- conducting rod
- groove
- jump ring
- vacuum interrupter
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- 238000003466 welding Methods 0.000 claims abstract description 34
- 229910000679 solder Inorganic materials 0.000 claims abstract description 12
- 230000003068 static effect Effects 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model relates to a vacuum interrupter and contact means and device's conducting rod, contact thereof, contact means include conducting rod and contact, and the contact is equipped with the projection through arranging that the solder solder mount between contact and conducting rod is equipped with block face forward at conducting rod front end, the front end of conducting rod on the block face, be equipped with on the contact with the block is in the face of answering block complex roof pressure face, be equipped with on the roof pressure face with the projection coincide and to insert the spliced eye of joining in marriage, and the projection has and extends forward and wear out the spliced eye wear out the portion, be equipped with the draw -in groove on wearing out the portion, correspond in the draw -in groove and has clamped with corresponding the cooperation of block face and roof pressure face is in order to realize before contact and the conducting rod welding jump ring of fixation in advance, have on the contact forward with the jump ring supports roof pressure complex bearing area. The mode of utilizing the axial and radially fixing a position is respectively avoided arousing that the slope appears in the contact and the gap of bringing, effective welding effect of guaranteeing at fixed in -process.
Description
Technical field
The utility model relates to conducting rod, the contact of a kind of vacuum interrupter and contact apparatus and this device.
Background technology
The manufacturing processed of existing vacuum interrupter generally adopts one-step seal-exhaust technique, but in order to ensure the welding quality of contact and conducting rod, usually first by contact and conducting rod, pre-welding is once in a vacuum furnace, then, again parts good to remaining part and pre-welding are assembled, put into vacuum oven and carry out one-step seal-exhaust. In order to prevent contact from coming off in one-step seal-exhaust, pre-weld temperature is higher than one-step seal-exhaust temperature 20 �� of about C. But this kind needs to adopt pre-welding technique and carry out the technique of one-step seal-exhaust, it is not complete one-step seal-exhaust technique truly. In fact, complete one-step seal-exhaust technique directly knocks down disposable for all component of vacuum interrupter in vacuum oven, has been exactly all-welded vacuum interrupter, it is not necessary to carry out pre-welding after coming out of the stove.
In fact, existing spiral slot contact also can realize complete one-step seal-exhaust, but usually conducting rod and contact is riveted together before welding. As Authorization Notice No. be CN203300538U Chinese utility model patent in disclosed for the moving conductive rod of vacuum interrupter and the welded construction of contact, it arranges projection in one end of moving conductive rod, corresponding contact has hole, contact is arranged on moving conductive rod, and welded by solder, and hole on contact and the protruding riveted joint on moving conductive rod. The mode of the pre-welding before adopting riveting method to replace, and utilize the solder between moving conductive rod with contact to make this kind of contact apparatus can together carry out one-step seal-exhaust together with other component of vacuum interrupter and weld.
Above-mentioned this kind of riveting method adopts hole axle running fit, need sandwiched solder between contact and conducting rod, at normal temperatures, conducting rod and contact are riveted tightly, and riveting process can cause stress to be concentrated, under welding high temperature action, due to thermal expansion, gap easily occurs between the face of weld between contact and conducting rod, cause solder evenly not flow, make welding between conducting rod with contact that defect occur, affect the reliability of one-step seal-exhaust technique.
Practical novel content
The utility model provides a kind of vacuum interrupter contact apparatus, utilizes riveted joint to realize contact to fix with conducting rod and to assemble and affect the technical problem of one-step seal-exhaust welding quality to solve in prior art; Meanwhile, the utility model also provides conducting rod and the contact of above-mentioned contact apparatus; The utility model also provides the vacuum interrupter using above-mentioned contact apparatus.
The technical scheme of vacuum interrupter contact apparatus provided by the utility model is: a kind of vacuum interrupter contact apparatus, comprise conducting rod and contact, contact by the solder assemble welding that is arranged between contact and conducting rod in conducting rod front end, the front end of described conducting rod is provided with stopping surface forward, stopping surface is provided with convex post, contact is provided with the top pressure surface that block corresponding to described stopping surface coordinates, top pressure surface is provided with the grafting hole of the inserting that coincide with described convex post, convex post have extend forward and pass described grafting hole pass portion, the portion of passing is provided with card groove, in card groove, corresponding being installed with coordinates with corresponding described stopping surface and top pressure surface to realize the jump ring pre-fixing assembling with conducting rod before contact welds, described contact has the load bearing face with described jump ring support top press-fit forward.
The front end face of described contact is provided with groove, and the aperture, front end in described grafting hole extends to the groove bottom of described groove, and the groove bottom of groove is described load bearing face, described in pass portion and jump ring all recessed in described groove.
The thermal expansivity of described conducting rod is greater than the coefficient of expansion of contact, and jump ring outside surface is provided with silvered film.
Described contact is the spiral groove type contact being evenly equipped with multiple spiral slot on it around circumference, and described jump ring is E type jump ring.
The technical scheme of the conducting rod of contact apparatus provided by the utility model is: the conducting rod of a kind of contact apparatus, comprise for the body of rod at lower end assemble welding contact, the front end of the described body of rod is provided with the stopping surface for coordinating forward with contact block, stopping surface is provided with the convex post of the inserting that coincide for the grafting hole being provided with corresponding on contact, convex post have extend forward pass portion for what pass described grafting hole, the portion of passing is provided with and realizes, for card dress, the card groove pre-fixing the jump ring of assembling before contact welds with conducting rod.
Described convex post is arranged on the center position of described conducting rod.
The technical scheme of the contact of contact apparatus provided by the utility model is: the contact of a kind of contact apparatus, comprise for the contact body of assemble welding in corresponding conducting rod front end, described contact body is provided with the top pressure surface that the stopping surface block for being provided with coordinates with conducting rod front end, top pressure surface is provided with the grafting hole of the corresponding identical inserting of the convex post for being provided with the stopping surface of conducting rod, described contact be provided with for contact is welded with conducting rod before pre-fix the load bearing face of jump ring support top press-fit of assembling.
The front end face of described contact is provided with groove, and the aperture, front end in described grafting hole extends to the groove bottom of described groove, and the groove bottom of groove is described load bearing face.
Described contact body is provided with around the uniform multiple spiral slots of circumference, and the radial outer end of each spiral slot all extends on the periphery of described contact body.
The technical scheme of the vacuum interrupter of the above-mentioned contact apparatus of use provided by the utility model is: vacuum interrupter, comprise trigger device and static contact head device, described trigger device and/or static contact head device adopt contact apparatus, contact apparatus comprises conducting rod and contact, contact by the solder assemble welding that is arranged between contact and conducting rod in conducting rod front end, the front end of described conducting rod is provided with stopping surface forward, stopping surface is provided with convex post, contact is provided with the top pressure surface that block corresponding to described stopping surface coordinates, top pressure surface is provided with the grafting hole of the inserting that coincide with described convex post, convex post have extend forward and pass described grafting hole pass portion, the portion of passing is provided with card groove, in card groove, corresponding being installed with coordinates with corresponding described stopping surface and top pressure surface to realize the jump ring pre-fixing assembling with conducting rod before contact welds, described contact has the load bearing face with described jump ring support top press-fit forward.
The beneficial effects of the utility model are: in vacuum interrupter contact apparatus provided by the utility model, the identical inserting in the convex post on conducting rod and the grafting hole on contact is utilized to realize the radial location to contact, and the coordinating of top pressure surface utilizing the stopping surface of jump ring with corresponding conducting rod and contact realizes the axial location to contact, and then realize conducting rod and contact before welding pre-fix assembling, then, contact is by the solder assemble welding conducting rod that is arranged between conducting rod and contact, due to by welding before pre-fix assembling, avoid that welding process occurs unsettled coming off, ensure welding quality. utilize the mode axially located respectively with radial direction, avoid the gap causing contact to occur and bring in fixation procedure, effectively ensure welding effect.
Further, grafting hole be arranged on contact before in the groove that is provided with of end face, and pass portion and jump ring all recessed in groove, avoid the portion that passes and jump ring to expose and affect the normal use of contact apparatus, also avoid it that external electrical field is caused interference.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment of vacuum interrupter contact apparatus provided by the utility model;
Fig. 2 is the structural representation of conducting rod in Fig. 1;
Fig. 3 is the A place enlarged view of conducting rod shown in Fig. 2;
Fig. 4 is the structural representation of contact in Fig. 1;
Fig. 5 is the structural representation of E type jump ring in Fig. 1.
Embodiment
As shown in Figures 1 to 5, the embodiment of a kind of vacuum interrupter contact apparatus, the contact apparatus in this embodiment comprises conducting rod 1 and the assemble welding contact 2 in conducting rod front end. conducting rod 1 comprises the body of rod, the front end of the body of rod is provided with stopping surface 11 forward, center position at stopping surface 11 is provided with convex post 12, corresponding, in contact 2 bag contact body, contact body is provided with around the uniform multiple spiral slots 23 of circumference, the radial outer end of each spiral slot 23 all extends on the periphery of described contact body so that contact 2 is spiral groove type contact, contact body is provided with the top pressure surface that block corresponding to stopping surface 11 coordinates, the center position of this top pressure surface is provided with coincide inserting corresponding to convex post 12 to realize the grafting hole 22 of the radial location to contact, convex post 12 has the portion that passes 13 extending forward and passing above-mentioned grafting hole 22, pass portion 13 and it is provided with card groove 14, in card groove 14, corresponding being installed with coordinates with corresponding stopping surface 11 and top pressure surface to realize the jump ring 3 pre-fixing assembling with conducting rod 1 before contact 2 welds, in the present embodiment, jump ring 3 is specially E type jump ring, contact 2 has the load bearing face 21 with jump ring 14 support top press-fit forward.
In the present embodiment, the front end face of contact 2 is provided with groove, and the aperture, front end in grafting hole 22 extends to the groove bottom of groove, and the groove bottom of groove is above-mentioned load bearing face 21. Affect for avoiding 13 grades, the portion that passes jump ring 3 to expose assembling and external electrical field, pass portion and jump ring all recessed in the groove of contact 2.
Further, in the present embodiment, conducting rod is copper material, and contact is CuCr alloy, and the thermal expansivity of conducting rod is greater than the coefficient of expansion of contact. Further, it is provided with silvered film at jump ring 3 outside surface.
During assembling, by the front end being arranged on conducting rod 1 of contact 2 correspondence, stopping surface on conducting rod 1 coordinates with the top pressure surface block on contact 2, simultaneously, convex post 12 on conducting rod 1 and the grafting hole 22 on contact 2 coincide inserting to realize the radial location to contact, then, jump ring 2 is installed in corresponding card groove 14, realize the axis to contact to fix, again that jump ring is silver-plated, under welding high temperature, owing to the thermal expansivity of conducting rod is greater than the thermal expansivity of contact, it is arranged in solder between conducting rod with contact to melt effectively by together with reliable to conducting rod and contact assemble welding. in welding process, owing to realizing pre-fixing contact, and pre-fix and process can not make contact deflection occurs and brings gap, effectively ensure welding effect.
Owing to can produce riveted joint stress during riveted joint, and expanding with heat and contract with cold at part in welding process, can cause producing gap between the face of original contact, solder, only in the reliable welding of certain interval ability, has part gap after general riveted joint welding later. Above-mentioned jump ring is first fixed, and then in welding, this kind of Measures compare is reliable.
In the present embodiment, jump ring adopts E type jump ring, and E type jump ring top pressure surface is long-pending relatively big, is convenient to the load bearing face top press contacts with contact, ensures top pressure stability. In other embodiments, jump ring can also other jump rings of the prior art.
In the present embodiment, convex post is arranged on the center position of stopping surface, grafting hole correspondence is arranged on the center position of top pressure surface, in other embodiments, convex post and grafting hole corresponding respectively can also be furnished with two or more, now, it is possible to convex post is evenly distributed on stopping surface, corresponding for grafting hole is evenly distributed on the pressure surface of top.
In the present embodiment, contact is spiral groove type contact, in other embodiments, contact can also be other structure of contact terminals of the prior art as board-like contact, the difference of itself and spiral groove type contact is not mainly arranging spiral slot thereon.
The utility model also provides the embodiment of the conducting rod of a kind of contact apparatus, and the structure of the conducting rod in this embodiment is identical with the structure of the conducting rod in the embodiment of above-mentioned vacuum interrupter contact apparatus, does not repeat them here.
The utility model also provides the embodiment of the contact of a kind of contact apparatus, and the structure of the contact in this embodiment is identical with the structure of the contact in the embodiment of above-mentioned vacuum interrupter contact apparatus, does not repeat them here.
The utility model also provides the embodiment of a kind of vacuum interrupter, the structure of the vacuum interrupter in this embodiment is identical with the structure major part of vacuum interrupter of the prior art, include housing, housing arranges trigger device and static contact head device, mainly it is with the difference of vacuum interrupter of the prior art: trigger device in the vacuum interrupter that the present embodiment provides and static contact head device all adopt the structure of above-mentioned vacuum interrupter contact apparatus, do not repeat them here. Certainly, in other embodiments, it is also possible to be the structure that trigger device or static contact head device adopt above-mentioned contact apparatus.
Claims (10)
1. a vacuum interrupter contact apparatus, comprise conducting rod and contact, contact by the solder assemble welding that is arranged between contact and conducting rod in conducting rod front end, it is characterized in that: the front end of described conducting rod is provided with stopping surface forward, stopping surface is provided with convex post, contact is provided with the top pressure surface that block corresponding to described stopping surface coordinates, top pressure surface is provided with the grafting hole of the inserting that coincide with described convex post, convex post have extend forward and pass described grafting hole pass portion, the portion of passing is provided with card groove, in card groove, corresponding being installed with coordinates with corresponding described stopping surface and top pressure surface to realize the jump ring pre-fixing assembling with conducting rod before contact welds, described contact has the load bearing face with described jump ring support top press-fit forward.
2. vacuum interrupter contact apparatus according to claim 1, it is characterized in that: the front end face of described contact is provided with groove, the aperture, front end in described grafting hole extends to the groove bottom of described groove, the groove bottom of groove is described load bearing face, described in pass portion and jump ring all recessed in described groove.
3. vacuum interrupter contact apparatus according to claim 1 and 2, it is characterised in that: the thermal expansivity of described conducting rod is greater than the coefficient of expansion of contact, and jump ring outside surface is provided with silvered film.
4. vacuum interrupter contact apparatus according to claim 1 and 2, it is characterised in that: described contact is the spiral groove type contact being evenly equipped with multiple spiral slot on it around circumference, and described jump ring is E type jump ring.
5. the conducting rod of a contact apparatus, comprise for the body of rod at lower end assemble welding contact, it is characterized in that: the front end of the described body of rod is provided with the stopping surface for coordinating forward with contact block, stopping surface is provided with the convex post of the inserting that coincide for the grafting hole being provided with corresponding on contact, convex post have extend forward pass portion for what pass described grafting hole, the portion of passing is provided with and realizes, for card dress, the card groove pre-fixing the jump ring of assembling before contact welds with conducting rod.
6. the conducting rod of contact apparatus according to claim 5, it is characterised in that: described convex post is arranged on the center position of described conducting rod.
7. the contact of a contact apparatus, comprise for the contact body of assemble welding in corresponding conducting rod front end, it is characterized in that: described contact body is provided with the top pressure surface that the stopping surface block for being provided with coordinates with conducting rod front end, top pressure surface is provided with the grafting hole of the corresponding identical inserting of the convex post for being provided with the stopping surface of conducting rod, described contact be provided with for contact is welded with conducting rod before pre-fix the load bearing face of jump ring support top press-fit of assembling.
8. the contact of contact apparatus according to claim 7, it is characterised in that: the front end face of described contact is provided with groove, and the aperture, front end in described grafting hole extends to the groove bottom of described groove, and the groove bottom of groove is described load bearing face.
9. the contact of contact apparatus according to claim 7 or 8, it is characterised in that: described contact body is provided with around the uniform multiple spiral slots of circumference, and the radial outer end of each spiral slot all extends on the periphery of described contact body.
10. a vacuum interrupter, comprises trigger device and static contact head device, it is characterised in that: described trigger device and/or static contact head device adopt in Claims 1-4 the contact apparatus described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991641.8U CN205282375U (en) | 2015-12-04 | 2015-12-04 | Vacuum interrupter and contact means and device's conducting rod, contact thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520991641.8U CN205282375U (en) | 2015-12-04 | 2015-12-04 | Vacuum interrupter and contact means and device's conducting rod, contact thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282375U true CN205282375U (en) | 2016-06-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520991641.8U Active CN205282375U (en) | 2015-12-04 | 2015-12-04 | Vacuum interrupter and contact means and device's conducting rod, contact thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN205282375U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448584A (en) * | 2015-12-04 | 2016-03-30 | 天津平高智能电气有限公司 | Vacuum arc-extinguishing chamber and contact device thereof as well as conducting rod and contact of contact device |
| 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 |
| WO2022069263A1 (en) * | 2020-09-30 | 2022-04-07 | Siemens Aktiengesellschaft | A contact for a vacuum interrupter, and a production method for such a contact |
-
2015
- 2015-12-04 CN CN201520991641.8U patent/CN205282375U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448584A (en) * | 2015-12-04 | 2016-03-30 | 天津平高智能电气有限公司 | Vacuum arc-extinguishing chamber and contact device thereof as well as conducting rod and contact of contact device |
| CN105448584B (en) * | 2015-12-04 | 2018-03-13 | 天津平高智能电气有限公司 | Conducting rod, the contact of vacuum interrupter and its contact apparatus and the device |
| 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 |
| WO2022069263A1 (en) * | 2020-09-30 | 2022-04-07 | Siemens Aktiengesellschaft | A contact for a vacuum interrupter, and a production method for such a contact |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |