CN105702517A - Moving contact - Google Patents
Moving contact Download PDFInfo
- Publication number
- CN105702517A CN105702517A CN201610212664.3A CN201610212664A CN105702517A CN 105702517 A CN105702517 A CN 105702517A CN 201610212664 A CN201610212664 A CN 201610212664A CN 105702517 A CN105702517 A CN 105702517A
- Authority
- CN
- China
- Prior art keywords
- movable contact
- contact spring
- base
- upper cover
- mounting post
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
Landscapes
- Manufacture Of Switches (AREA)
Abstract
The invention relates to a moving contact. The moving contact comprises movable contact sheets and a movable contact sheet installation rack, wherein the movable contact sheets are oppositely arranged on the movable contact sheet installation rack in a pair way, a matching gap is arranged between the movable contact sheets and is used for a static contact sheet to insert, the movable contact sheet installation rack comprises an upper cover and a base, an installation cavity is arranged between the upper cover and the base and is used for installing the movable contact sheets, the movable contact sheets are sequentially arranged in a close contact way along a direction from the upper cover to the base, and reset elements are arranged between the upper cover and adjacent movable contact sheet and between the base and the adjacent movable contact sheet and are used for relatively resetting the two movable contact sheets. With the adoption of the scheme, the moving contact which is used for ensuring the matching stability with the static contact sheet on the premise of increasing the thickness of the movable contact sheets is provided by the invention.
Description
Technical field
The present invention relates to a kind of electric connecting part isolating switch, be specifically related to a kind of moving contact。
Background technology
Moving contact is a kind of electric connecting part, its by away from or contact static contact control to switch on-off, the contact of moving contact can be driven by multiple driving mechanism form various activities mode, for instance swings, rotate and translates。
Moving contact includes movable contact spring and movable contact spring installing rack, movable contact spring in pairs and is relatively arranged on movable contact spring installing rack, the fit clearance that static contact inserts it is provided between movable contact spring, existing movable contact spring thinner thickness thus there is good elasticity, between movable contact spring and static contact, there is good contact stabilization when making fit clearance corresponding with static contact position, at some in particular cases, for ensureing that movable contact spring has good electric property, therefore need to thicken the thickness of movable contact spring, its elasticity is then made to be substantially reduced after increasing the thickness of movable contact spring, cannot reset in time after fit clearance becomes greatly, the stability making electrical connection is affected。
Summary of the invention
For the deficiency that prior art exists, it is an object of the invention to provide a kind of moving contact increasing and ensureing under movable contact spring thickness premise with static contact fitment stability。
For achieving the above object, the technical scheme is that and include movable contact spring and movable contact spring installing rack, described movable contact spring in pairs and is relatively arranged on movable contact spring installing rack, the fit clearance that static contact inserts it is provided between described movable contact spring, it is characterized in that: described movable contact spring installing rack includes upper cover and base, the installation cavity installing movable contact spring it is provided with between described upper cover and base, described movable contact spring is fitted successively along upper cover to the direction of base setting, it is respectively arranged with relative for two movable contact springs return unit resetted between described upper cover and base and adjacent movable contact spring。
By adopting technique scheme, after thickening movable contact spring, set up return unit and its reset force is compensated, it is ensured that movable contact spring contacts when coordinating with static contact closely, increase the stability of electrical connection。
The present invention is further arranged to: described return unit is elastic sheet metal, and described movable contact spring two ends are respectively arranged with limited block, and described elastic sheet metal is compressed between limited block and bends to the direction away from movable contact spring。
By adopting technique scheme, elastic sheet metal is as return unit, the return unit of other forms relatively, shared space is less on the one hand, avoid because installing return unit increase installation cavity space, on the other hand easy for installation, the elasticity of Appropriate application elastic sheet metal, limited block elastic sheet metal is carried out spacing while stabilize it installation。
The present invention is further arranged to: be provided through the mounting post of movable contact spring and return unit between described upper cover and base, this mounting post rectangular in cross-section, and described movable contact spring and elastic sheet metal are provided with the installing hole suitable with mounting post shape。
By adopting technique scheme, owing to this kind of moving contact mainly adopts rotation to make movable contact spring fit with static contact and separate, the mounting post that cross section is rectangle make movable contact spring stable with the relative position of base, will not swing in rotation process and affect fitment stability。
The present invention is further arranged to: described mounting post is fixedly installed on base traverse upper cover, described upper cover is provided with the mating holes suitable with mounting post shape, described base is provided with the support platform placing upper cover, described cover rim is provided with fixture block towards base, and the described platform edges that supports is provided with and the draw-in groove of fixture block phase snap-fit。
By adopting technique scheme, mating holes is given while installing with upper cover guiding and is avoided it to rotate, supports platform and determines the spacing of upper cover and base, and fixture block and draw-in groove coordinate make both snap-fit after cannot depart from easily, thus installation is stablized in realization。
The present invention is further arranged to: described base is provided with insulation wall around movable contact spring, and these insulation wall both sides respectively and are relatively set with the sidewall mouth passing base for movable contact spring end。
By adopting technique scheme, set up insulation wall, make movable contact spring cannot constitute with static contact at non-contact position and electrically connect, it is to avoid misconnection causes security incident or device damage。
The present invention is further arranged to: described base, relative to being provided with slotting chamber on the other end end face of upper cover, the other end end face of described upper cover respect thereto is provided with the inserted block suitable with slotting chamber shape。
By adopting technique scheme, inserted block enables multiple moving contact superpose use with the cooperation in slotting chamber, and single drive source can organize the break-make between moving contact and static contact more, simplifies the internal structure of isolation switch。
Below in conjunction with the drawings and specific embodiments, the invention will be further described。
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the specific embodiment of the invention；
Fig. 2 is the explosive view of the specific embodiment of the invention；
Fig. 3 is the face upwarding stereogram of specific embodiment of the invention weight base。
Detailed description of the invention
As shown in Figure 1-Figure 3, the invention discloses a kind of movable contact spring, including movable contact spring 1 and movable contact spring installing rack, movable contact spring 1 in pairs and is relatively arranged on movable contact spring installing rack, the fit clearance 11 that static contact inserts it is provided between movable contact spring 1, movable contact spring installing rack includes upper cover 2 and base 3, the installation cavity 31 installing movable contact spring 1 it is provided with between upper cover 2 and base 3, movable contact spring 1 is fitted successively along upper cover 2 to the direction of base 3 setting, it is respectively arranged with relative for two movable contact springs 1 return unit resetted between upper cover 2 and base 3 and adjacent movable contact spring 1, after thickening movable contact spring 1, set up return unit its reset force is compensated, ensure that movable contact spring 1 contacts closely when coordinating with static contact, increase the stability of electrical connection。
Return unit is elastic sheet metal 4, movable contact spring 1 two ends are respectively arranged with limited block 13, elastic sheet metal 4 is compressed between limited block 13 and bends to the direction away from movable contact spring 1, elastic sheet metal 4 as return unit, the return unit of other forms relatively, on the one hand shared space is less, avoid because installing return unit increase installation cavity 31 space, on the other hand easy for installation, the elasticity of Appropriate application elastic sheet metal 4, limited block 13 elastic sheet metal 4 is carried out spacing while stabilize it installation。
The mounting post 32 of movable contact spring 1 and return unit it is provided through between upper cover 2 and base 3, this mounting post 32 rectangular in cross-section, movable contact spring 1 and elastic sheet metal 4 are provided with the installing hole 12 suitable with mounting post 32 shape, owing to this kind of moving contact mainly adopts rotation to make movable contact spring 1 fit with static contact and separate, made movable contact spring 1 stable with the relative position of base 3 by the mounting post 32 that cross section is rectangle, will not swing in rotation process and affect fitment stability。
Mounting post 32 is fixedly installed on base 3 traverse upper cover 2, upper cover 2 is provided with the mating holes 21 suitable with mounting post 32 shape, base 3 is provided with the support platform 33 placing upper cover 2, upper cover 2 edge is provided with fixture block 22 towards base 3, support platform 33 edge to be provided with and the draw-in groove 34 of fixture block 22 phase snap-fit, mating holes 21 is given while installing with upper cover 2 guiding and is avoided it to rotate, support platform 33 and determine the spacing of upper cover 2 and base 3, and fixture block 22 and draw-in groove 34 coordinate make both snap-fit after cannot depart from easily, thus realizing stable installation。
Base 3 is provided with insulation wall 35 around movable contact spring 1, these insulation wall 35 both sides respectively and are relatively set with the sidewall mouth 351 passing base 3 for movable contact spring 1 end, set up insulation wall 35, make movable contact spring 1 cannot constitute with static contact at non-contact position to electrically connect, misconnection is avoided to cause security incident or device damage, for simplifying structure, support platform 33 and be namely arranged at insulation wall 35 away from the end face of base。
The other end end face of the relative upper cover 2 of base 3 is provided with slotting chamber 36, the other end end face of upper cover 2 respect thereto 3 is provided with the inserted block 321 suitable with slotting chamber 36 shape, inserted block 321 enables multiple moving contact to superpose use with the cooperation in slotting chamber 36, single drive source can organize the break-make between moving contact and static contact more, simplify the internal structure of isolation switch, for simplifying structure, namely inserted block 321 is arranged on the end of mounting post 32。
Claims (6)
1. a moving contact, including movable contact spring and movable contact spring installing rack, described movable contact spring in pairs and is relatively arranged on movable contact spring installing rack, the fit clearance that static contact inserts it is provided between described movable contact spring, it is characterized in that: described movable contact spring installing rack includes upper cover and base, the installation cavity installing movable contact spring it is provided with between described upper cover and base, described movable contact spring is fitted successively along upper cover to the direction of base setting, is respectively arranged with relative for two movable contact springs return unit resetted between described upper cover and base and adjacent movable contact spring。
2. moving contact according to claim 1, it is characterised in that: described return unit is elastic sheet metal, and described movable contact spring two ends are respectively arranged with limited block, and described elastic sheet metal is compressed between limited block and bends to the direction away from movable contact spring。
3. moving contact according to claim 2, it is characterized in that: between described upper cover and base, be provided through the mounting post of movable contact spring and return unit, this mounting post rectangular in cross-section, described movable contact spring and elastic sheet metal are provided with the installing hole suitable with mounting post shape。
4. moving contact according to claim 3, it is characterized in that: described mounting post is fixedly installed on base traverse upper cover, described upper cover is provided with the mating holes suitable with mounting post shape, described base is provided with the support platform placing upper cover, described cover rim is provided with fixture block towards base, and the described platform edges that supports is provided with and the draw-in groove of fixture block phase snap-fit。
5. the moving contact according to claim 1 or 2 or 3 or 4, it is characterised in that: described base is provided with insulation wall around movable contact spring, and these insulation wall both sides respectively and are relatively set with the sidewall mouth passing base for movable contact spring end。
6. the moving contact according to claim 1 or 2 or 3 or 4, it is characterised in that: described base, relative to being provided with slotting chamber on the other end end face of upper cover, the other end end face of described upper cover respect thereto is provided with the inserted block suitable with slotting chamber shape。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212664.3A CN105702517A (en) | 2016-03-31 | 2016-03-31 | Moving contact |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212664.3A CN105702517A (en) | 2016-03-31 | 2016-03-31 | Moving contact |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105702517A true CN105702517A (en) | 2016-06-22 |
Family
ID=56218431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610212664.3A Pending CN105702517A (en) | 2016-03-31 | 2016-03-31 | Moving contact |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105702517A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10308143A (en) * | 1997-05-09 | 1998-11-17 | Toshiba Corp | Main circuit disconnector |
| CN2594957Y (en) * | 2001-09-07 | 2003-12-24 | 河南平高电气股份有限公司 | Separated switch devices |
| CN101383233A (en) * | 2008-02-26 | 2009-03-11 | 上海华明电力设备制造有限公司 | Moving contact for tap switch |
| CN102709101A (en) * | 2012-05-31 | 2012-10-03 | 佳宁电气有限公司 | Contact structure of isolating switch |
| CN202940172U (en) * | 2012-11-23 | 2013-05-15 | 李继华 | Single-pole double-throw rotary indoor high-voltage isolation switch |
| CN204577307U (en) * | 2015-05-12 | 2015-08-19 | 厦门市凯禹开关有限公司 | A kind of rotary double-fracture indoor high-voltage isolating switch |
| CN205487897U (en) * | 2016-03-31 | 2016-08-17 | 浙江奔一电气有限公司 | Moving contact |
-
2016
- 2016-03-31 CN CN201610212664.3A patent/CN105702517A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10308143A (en) * | 1997-05-09 | 1998-11-17 | Toshiba Corp | Main circuit disconnector |
| CN2594957Y (en) * | 2001-09-07 | 2003-12-24 | 河南平高电气股份有限公司 | Separated switch devices |
| CN101383233A (en) * | 2008-02-26 | 2009-03-11 | 上海华明电力设备制造有限公司 | Moving contact for tap switch |
| CN102709101A (en) * | 2012-05-31 | 2012-10-03 | 佳宁电气有限公司 | Contact structure of isolating switch |
| CN202940172U (en) * | 2012-11-23 | 2013-05-15 | 李继华 | Single-pole double-throw rotary indoor high-voltage isolation switch |
| CN204577307U (en) * | 2015-05-12 | 2015-08-19 | 厦门市凯禹开关有限公司 | A kind of rotary double-fracture indoor high-voltage isolating switch |
| CN205487897U (en) * | 2016-03-31 | 2016-08-17 | 浙江奔一电气有限公司 | Moving contact |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |