CN204144135U - Isolating switch - Google Patents
Isolating switch Download PDFInfo
- Publication number
- CN204144135U CN204144135U CN201420680116.XU CN201420680116U CN204144135U CN 204144135 U CN204144135 U CN 204144135U CN 201420680116 U CN201420680116 U CN 201420680116U CN 204144135 U CN204144135 U CN 204144135U
- Authority
- CN
- China
- Prior art keywords
- wall
- isolating switch
- knife bar
- clamping area
- contact
- 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.)
- Expired - Fee Related
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- 230000003068 static effect Effects 0.000 claims abstract description 40
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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- Elimination Of Static Electricity (AREA)
Abstract
The utility model provides a kind of isolating switch, isolating switch comprises grounding static contact, grounding static contact comprises elasticity fingertip (10), elasticity fingertip (10) comprises the first wall (11) and second wall (12) relative with the first wall (11), the side towards the second wall (12) of the first wall (11) forms the first clamping area (111) coordinated with the knife bar (20) of ground connection moving contact, and the side towards the first wall (11) of the second wall (12) forms the second clamping area (121) coordinated with knife bar (20).The technical solution of the utility model solves the grounding static contact of isolating switch in prior art and the problem of ground connection moving contact loose contact effectively.
Description
Technical field
The utility model relates to electrical equipment technical field, in particular to a kind of isolating switch.
Background technology
In prior art, the grounding static contact of isolating switch and ground connection moving contact occur mutually to extrude in long-term deciliter process, namely there is mutual extruding with the knife bar 2 of ground connection moving contact in the fingertip 1 of grounding static contact, cause the distortion that the fingertip 1 of grounding static contact occurs to a certain degree, grounding static contact and ground connection moving contact tightness degree between the two just reduce gradually, make grounding static contact and the loose contact of ground connection moving contact of isolating switch, the phenomenon that ground connection moving contact comes off is there will be time serious, normal use can be affected like this, potential safety hazard is brought to safety in production.
Fig. 1 shows the structural representation when grounding static contact of isolating switch of the prior art and ground connection moving contact are positioned at open position, and Fig. 2 shows the structural representation when grounding static contact of isolating switch of the prior art and ground connection moving contact are positioned at closing position.As can be seen from Figure 2, if the place that grounding static contact contacts with ground connection moving contact does not have enough extruding forces, ground connection moving contact likely occurs and grounding static contact loose contact, also likely occurs the situation that ground connection moving contact comes off or loosens.
Utility model content
Main purpose of the present utility model is to provide a kind of isolating switch, with the problem of the grounding static contact and the loose contact of ground connection moving contact that solve isolating switch in prior art.
To achieve these goals, the utility model provides a kind of isolating switch, comprise grounding static contact, grounding static contact comprises elasticity fingertip, elasticity fingertip comprises the first wall and second wall relative with the first wall, the side towards the second wall of the first wall forms the first clamping area coordinated with the knife bar of ground connection moving contact, and the side towards the first wall of the second wall forms the second clamping area coordinated with knife bar.
Further, the cross sectional shape of the first clamping area is curved.
Further, the cross sectional shape of the second clamping area is curved.
Further, the cross sectional shape of the first clamping area is circular arc.
Further, the cross sectional shape of the second clamping area is circular arc.
Further, elasticity fingertip also comprises the connecting portion of connection first wall and the second wall.
Application the technical solution of the utility model, isolating switch comprises grounding static contact, grounding static contact comprises elasticity fingertip, and elasticity fingertip comprises the first wall and second wall relative with the first wall, and the side towards the second wall of the first wall forms the first clamping area coordinated with the knife bar of ground connection moving contact.Said structure makes grounding static contact have certain elasticity, when the knife bar of ground connection moving contact contacts (as shown in Figure 4) with the elasticity fingertip of grounding static contact, when knife bar continues the inner slide to elasticity fingertip, knife bar produces certain extruding force by between elasticity fingertip.When knife bar is positioned at the position shown in Fig. 5, knife bar and elasticity fingertip will keep certain extruding force, make the first clamping area and the second clamping area close contact of knife bar and elasticity fingertip.And knife bar and the extruding force between the first clamping area and the second clamping area can guarantee that ground connection moving contact can not Automatic-falling, and then make the contact between grounding static contact and ground connection moving contact good, thus efficiently solve the problem of grounding static contact of the prior art and the loose contact of ground connection moving contact, reliably ensure effectively for safety in production provides.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
The knife bar of fingertip and ground connection moving contact that Fig. 1 shows the grounding static contact of isolating switch of the prior art is positioned at structural representation during open position;
The knife bar of fingertip and ground connection moving contact that Fig. 2 shows the grounding static contact of the isolating switch of Fig. 1 is positioned at structural representation during closing position;
The knife bar of elasticity fingertip and ground connection moving contact that Fig. 3 shows the grounding static contact of the embodiment according to isolating switch of the present utility model is positioned at structural representation during primary importance;
The knife bar of elasticity fingertip and ground connection moving contact that Fig. 4 shows the grounding static contact of the isolating switch of Fig. 3 is positioned at the structural representation during second place; And
The knife bar of elasticity fingertip and ground connection moving contact that Fig. 5 shows the grounding static contact of the isolating switch of Fig. 3 is positioned at structural representation during the 3rd position.
Wherein, above-mentioned accompanying drawing comprises the following drawings mark:
1, fingertip; 2, knife bar; 10, elasticity fingertip; 11, the first wall; 111, the first clamping area; 12, the second wall; 121, the second clamping area; 13, connecting portion; 20, knife bar.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
As shown in Figure 3, the isolating switch of the present embodiment comprises grounding static contact, grounding static contact comprises elasticity fingertip 10, elasticity fingertip 10 comprises the first wall 11 and second wall 12 relative with the first wall 11, the side towards the first wall 11 that the side towards the second wall 12 of the first wall 11 forms the first clamping area 111, second wall 12 coordinated with the knife bar 20 of ground connection moving contact forms the second clamping area 121 coordinated with knife bar 20.
The isolating switch of application the present embodiment, isolating switch comprises grounding static contact, grounding static contact comprises elasticity fingertip 10, the side towards the second wall 12 that elasticity fingertip 10 comprises the first wall 11 and second wall 12, first wall 11 relative with the first wall 11 forms the first clamping area 111 coordinated with the knife bar 20 of ground connection moving contact.Said structure makes grounding static contact have certain elasticity, when the knife bar 20 of ground connection moving contact contacts (as shown in Figure 4) with the elasticity fingertip 10 of grounding static contact, when knife bar 20 continues the inner slide to elasticity fingertip 10, knife bar 20 produces certain extruding force by between elasticity fingertip 10.When knife bar 20 is positioned at the position shown in Fig. 5, knife bar 20 and elasticity fingertip 10 will keep certain extruding force, make the first clamping area 111 and the second clamping area 121 close contact of knife bar 20 and elasticity fingertip 10.And knife bar 20 and the extruding force between the first clamping area 111 and the second clamping area 121 can guarantee that ground connection moving contact can not Automatic-falling, and then make the contact between grounding static contact and ground connection moving contact good, thus efficiently solve the problem of grounding static contact of the prior art and the loose contact of ground connection moving contact, reliably ensure effectively for safety in production provides.
In the present embodiment, the cross sectional shape of the first clamping area 111 is curved.First clamping area 111 of arc can make knife bar contact fully with elasticity fingertip 10, when knife bar 20 is positioned at the position shown in Fig. 5, namely when knife bar 20 slips over the bossing of arc, the bossing of arc is extruded by knife bar 20, elasticity fingertip 10 also can produce a reaction force acts on knife bar 20, can guarantee that ground connection moving contact can not Automatic-falling by the extruding force between knife bar 20 and elasticity fingertip 10 like this, stop the situation that the situation of grounding static contact and the loose contact of ground connection moving contact and ground connection moving contact come off.Preferably, the cross sectional shape of the first clamping area 111 is circular arc.The structure of circular arc is simple, easily manufactured.
In the present embodiment, elasticity fingertip 10 is one-time formed structure, can guarantee the solid and reliable of elasticity fingertip 10 structure like this.The arcuate structure of the inner side of elasticity fingertip 10 has certain intensity and toughness, can guarantee like this elasticity fingertip 10 firm wear-resisting, can not excessive deformation be there is.
In order to avoid the situation of grounding static contact and the loose contact of ground connection moving contact further, in the present embodiment, the cross sectional shape of the second clamping area 121 is curved.Second clamping area 121 of arc can make knife bar contact fully with elasticity fingertip 10, when knife bar 20 is positioned at the position shown in Fig. 5, namely when knife bar 20 slips over the bossing of arc, the bossing of arc is extruded by knife bar 20, elasticity fingertip 10 also can produce a reaction force acts on knife bar 20, can guarantee that ground connection moving contact can not Automatic-falling by the extruding force between knife bar 20 and elasticity fingertip 10 like this, stop grounding static contact and contact the situation that unreal situation and ground connection moving contact come off with ground connection moving contact.Preferably, the cross sectional shape of the second clamping area 121 is circular arc.The structure of circular arc is simple, easily manufactured.
In the present embodiment, elasticity fingertip 10 also comprises the connecting portion 13 of connection first wall 11 and the second wall 12.Connecting portion 13 plays the effect of connection first wall 11 and the second wall 12.
The isolating switch of application the present embodiment efficiently solves the grounding static contact that exists in production work and ground connection moving contact closes situation not in place, and then for staff provides reliable ground connection to ensure in safety in production, thus the generation occurring loss of life or personal injury electric shock accidents can be stopped.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an isolating switch, comprise grounding static contact, it is characterized in that, described grounding static contact comprises elasticity fingertip (10), described elasticity fingertip (10) comprises the first wall (11) and second wall (12) relative with described first wall (11), the side towards described second wall (12) of described first wall (11) forms the first clamping area (111) coordinated with the knife bar (20) of ground connection moving contact, the side towards described first wall (11) of described second wall (12) forms the second clamping area (121) coordinated with described knife bar (20).
2. isolating switch according to claim 1, is characterized in that, the cross sectional shape of described first clamping area (111) is curved.
3. isolating switch according to claim 2, is characterized in that, the cross sectional shape of described second clamping area (121) is curved.
4. isolating switch according to claim 3, is characterized in that, the cross sectional shape of described first clamping area (111) is circular arc.
5. isolating switch according to claim 4, is characterized in that, the cross sectional shape of described second clamping area (121) is circular arc.
6. isolating switch according to claim 4, is characterized in that, described elasticity fingertip (10) also comprises the connecting portion (13) connecting described first wall (11) and described second wall (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680116.XU CN204144135U (en) | 2014-11-10 | 2014-11-10 | Isolating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420680116.XU CN204144135U (en) | 2014-11-10 | 2014-11-10 | Isolating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204144135U true CN204144135U (en) | 2015-02-04 |
Family
ID=52420804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420680116.XU Expired - Fee Related CN204144135U (en) | 2014-11-10 | 2014-11-10 | Isolating switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204144135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409268A (en) * | 2014-11-10 | 2015-03-11 | 国家电网公司 | Isolating switch |
-
2014
- 2014-11-10 CN CN201420680116.XU patent/CN204144135U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104409268A (en) * | 2014-11-10 | 2015-03-11 | 国家电网公司 | Isolating switch |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150204 Termination date: 20181110 |