CN100580837C - Knife switch - Google Patents
Knife switch Download PDFInfo
- Publication number
- CN100580837C CN100580837C CN200610096026A CN200610096026A CN100580837C CN 100580837 C CN100580837 C CN 100580837C CN 200610096026 A CN200610096026 A CN 200610096026A CN 200610096026 A CN200610096026 A CN 200610096026A CN 100580837 C CN100580837 C CN 100580837C
- Authority
- CN
- China
- Prior art keywords
- contact
- connector assembly
- copper sheet
- contact knife
- lug plate
- 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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Abstract
The invention relates to a knife switch which comprises a ceramic plate (1), a handle (2), a contact knife (3), a contact knife supporter (4), a lead-in wire connector assembly, a lead-out wire connector assembly, and a protective cover (5). The contact knife supporter (4) is integrated with a terminal strip (6) as a whole, which is implemented by folding two wings of a T-shaped copper sheet in the same direction to form the contact knife supporter (4) and using the middle vertical part of the T-shaped copper sheet as the terminal strip (6). The contact (9) is integrated with the contactor sheet (8) as a whole, which is implemented by folding two wings of a T-shaped copper sheet in the same direction to form the contact (9) and using the middle vertical part of the T-shaped copper sheet as the wire connector sheet (8). Since the contact knife supporter (4) is integrated with the terminal strip (6) and the contact (9) is integrated with the wire connector sheet (8), the invention has no contact resistance and is adapted to work under high current conditions for a long term. Additionally, the number of components is reduced to facilitate the assembly.
Description
Technical field
The present invention relates to a kind of knife switch.
Background technology
Knife switch is modal separation or drop into the equipment of load in the present power circuit, uses very extensive.The tradition knife switch generally includes ceramic wafer (seat); handle; contact knife; the contact knife support; the inlet wire connector assembly; outlet connector assembly and protective cover; inlet wire connector assembly and outlet connector assembly are separately fixed at the ceramic wafer two ends; the contact knife support is fixed on the ceramic wafer middle part; contact knife one end is hinged on the contact knife support; the contact knife frame bottom is connected with lug plate by screw; the outlet connector assembly comprises lug plate and is enclosed within on the lug plate; the cross section becomes the degree of lip-rounding to be provided with the lead fastening frame of housing pin; the inlet wire connector assembly comprises the lead fastening frame; brace and cross section are the △ shape substantially; the contact that open top elasticity clamps; lug plate wherein all is to connect by screw to compress with contact knife support and brace with being connected of contact; because lug plate can only accomplish that with the surface between contact knife support and the contact part contacts; contact resistance is bigger; therefore when big electric current flows through for a long time; will generate heat; and then cause fault to occur, influence ordinary production.
Summary of the invention
The objective of the invention is to provides a kind of simple in structure, easy to assembly, safe and reliable knife switch for overcoming the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the present invention is as follows: a kind of knife switch, comprise ceramic wafer, handle, contact knife, contact knife support, inlet wire connector assembly, outlet connector assembly and protective cover, the outlet connector assembly comprises lug plate and is enclosed within lead fastening frame on the lug plate, the inlet wire connector assembly comprises another lead fastening frame, brace and contact, it is characterized in that; Described contact knife support and lug plate are structure as a whole, and by T font copper sheet both wings are rolled in the same way mutually to form the contact knife support, and the centre of T font copper sheet vertically part constitutes lug plate; Described contact and brace are similarly integrative-structure, also both wings are rolled in the same way mutually and formed the contact that open top elasticity clamps by T font copper sheet, the centre of T font copper sheet vertically part constitutes brace, the opening part of described contact respectively is provided with bow strip on inboard two relative planes, bow strip protrudes toward each other, described bow strip slightly tilts to the contact knife holder orientation, and is parallel with the contact knife of closing moment.
Compared with prior art, the invention has the beneficial effects as follows that the process that will close a floodgate touches the face contact by point and becomes by line and touch the face contact, reduced the generation of electric spark, prolonged the useful life of contact knife and contact.
The invention will be further described below in conjunction with drawings and Examples.
Description of drawings
Accompanying drawing 1 is an embodiment of the invention decomposition texture schematic diagram;
Accompanying drawing 2 is an embodiment of the invention outlet connector assembly structural representation;
Accompanying drawing 3 is an embodiment of the invention contact knife supporting structure schematic diagram;
Accompanying drawing 4 is an embodiment of the invention inlet wire connector assembly structural representation;
Embodiment
As shown in Figure 1, with three disconnecting link knife switches is example, comprise ceramic wafer 1, handle 2, contact knife 3, contact knife support 4, the inlet wire connector assembly, outlet connector assembly and protective cover 5, ceramic wafer 1 upper surface is provided with and the outlet connector assembly, the cavity that inlet wire connector assembly and contact knife support 4 etc. match, the outlet connector assembly comprises lug plate 6 and is enclosed within on the lug plate 6, the cross section becomes the degree of lip-rounding to be provided with the lead fastening frame 7 of housing pin, the inlet wire connector assembly comprises another lead fastening frame 71, brace 8 and contact 9, as shown in Figure 3, wherein contact knife support 4 is structure as a whole with lug plate 6, by T font copper sheet with both wings in the same way mutually folding form contact knife support 4, contact knife 3 one ends are hinged on the contact knife support 4, the other end is connected with ceramic handle 2, contact knife support 4 bottoms are provided with screw and are installed in the corresponding cavity in ceramic wafer 1 middle part by screw, and the centre of T font copper sheet vertically part constitutes lug plate 6; As shown in Figure 4, contact 9 is similarly integrative-structure with brace 8, also both wings are rolled in the same way mutually and formed the contact 9 that the cross section is △ shape, the clamping of open top elasticity substantially by T font copper sheet, the centre of T font copper sheet vertically part constitutes brace 8, contact 9 bottoms are provided with screw and are installed in by screw in the corresponding cavity of inlet wire side of ceramic wafer 1, and brace 8 ends are with the cross section and become the degree of lip-rounding to be provided with the lead fastening frame 7 composition inlet wire connector assemblies of housing pin; As shown in Figure 2, lug plate 6 and be enclosed within on the lug plate 6, lead fastening frame 7 that the cross section becomes the degree of lip-rounding to be provided with housing pin forms the outlet connector assemblies and is installed in the corresponding cavity of outlet side of ceramic wafer 1 by screw.In order further to improve the situation that separating brake and closing moment contact knife 3 contact with contact 9, on inboard two the relative planes of the opening part of contact 9, respectively be provided with bow strip 10, bow strip 10 protrudes relatively, and bow strip 10 slightly tilts to contact knife support 4 directions, parallel with the contact knife 3 of closing moment, like this, the process of closing a floodgate is touched the face contact by point become by line and touch the face contact, reduce the generation of electric spark, prolonged the useful life of contact knife 3 and contact 9.
Claims (1)
1, a kind of knife switch, comprise ceramic wafer (1), handle (2), contact knife (3), contact knife support (4), the inlet wire connector assembly, outlet connector assembly and protective cover (5), the outlet connector assembly comprises lug plate (6) and is enclosed within lead fastening frame (7) on the lug plate (6), the inlet wire connector assembly comprises another lead fastening frame (71), brace (8) and contact (9), described contact knife support (4) is structure as a whole with lug plate (6), by T font copper sheet with both wings in the same way mutually folding forms contact knife support (4), the centre of T font copper sheet vertically partly constitutes lug plate (6); Described contact (9) is similarly integrative-structure with brace (8), also both wings are rolled in the same way mutually and formed the contact (9) that open top elasticity clamps by T font copper sheet, the centre of T font copper sheet vertically part constitutes brace (8), it is characterized in that: the opening part of described contact (9) respectively is provided with bow strip (10) on inboard two relative planes, bow strip (10) protrudes toward each other, described bow strip (10) slightly tilts to contact knife support (4) direction, and is parallel with the contact knife (3) of closing moment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610096026A CN100580837C (en) | 2006-09-11 | 2006-09-11 | Knife switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610096026A CN100580837C (en) | 2006-09-11 | 2006-09-11 | Knife switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101145463A CN101145463A (en) | 2008-03-19 |
| CN100580837C true CN100580837C (en) | 2010-01-13 |
Family
ID=39207896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610096026A Expired - Fee Related CN100580837C (en) | 2006-09-11 | 2006-09-11 | Knife switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100580837C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108573825A (en) * | 2018-06-06 | 2018-09-25 | 河南森源电气股份有限公司 | Conductive contact fixed structure and the gas-filling cabinet for using the structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417557Y (en) * | 2000-01-01 | 2001-01-31 | 顾福康 | Structure improved knife-blade switch |
| CN2824268Y (en) * | 2005-09-29 | 2006-10-04 | 马顺桃 | Knife switch |
-
2006
- 2006-09-11 CN CN200610096026A patent/CN100580837C/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2417557Y (en) * | 2000-01-01 | 2001-01-31 | 顾福康 | Structure improved knife-blade switch |
| CN2824268Y (en) * | 2005-09-29 | 2006-10-04 | 马顺桃 | Knife switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101145463A (en) | 2008-03-19 |
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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 | ||
| 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: 20100113 Termination date: 20150911 |
|
| EXPY | Termination of patent right or utility model |