CN101976623A - Disconnecting switch fuse block with wiring terminal protection sleeves - Google Patents
Disconnecting switch fuse block with wiring terminal protection sleeves Download PDFInfo
- Publication number
- CN101976623A CN101976623A CN 201010298523 CN201010298523A CN101976623A CN 101976623 A CN101976623 A CN 101976623A CN 201010298523 CN201010298523 CN 201010298523 CN 201010298523 A CN201010298523 A CN 201010298523A CN 101976623 A CN101976623 A CN 101976623A
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- Prior art keywords
- binding post
- protective cover
- nut
- major loop
- housing
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Abstract
The invention relates to a disconnecting switch fuse block with wiring terminal protection sleeves, comprising a shell, a plurality of conductive parts, a plurality of main loop wiring terminals, a handle connecting rod, a handle, a plurality of insulation walls, a plurality of protection sleeves and a plurality of nuts, an insulation wall is arranged at either side of each main loop wiring terminal, the rear end surface of the insulation wall is connected with the outer lateral surface of the shell, an protection sleeve is mounted at the lower part of each main loop wiring terminal, a nut setting hole is formed in the middle dent of the upper end surface, and a nut is arranged in each hole. The disconnecting switch fuse block of the invention avoids the problems that an operator may touch the main loop wiring terminals when manually operating the handle by arranging the insulation walls in spaces at both sides of the plurality of main loop wiring terminals and mounting the protection sleeves at the lower parts of the main loop wiring terminals, and thus, good operation safety is achieved. In addition, the nuts which are internally arranged on the protection sleeves can improve the mechanical strength of the wiring terminals, reduce the temperature rise of the wiring terminals and is convenient for the operator to wire.
Description
Technical field
The invention belongs to the low-tension switch electric appliance technical field, particularly relate to a kind of isolating switch fuse group.
Background technology
Isolating switch fuse group is a kind of multipole manual operation switch, is widely used in that low pressure becomes, in the distribution system, and it can connection under the circuit condition of regulation, carrying and breaking current.Fig. 1 is a kind of isolating switch fuse group external structure stereogram of prior art.As shown in Figure 1, the isolating switch fuse group of this prior art comprises housing 1, not shown a plurality of conductive components, a plurality of tabular major loop binding post 3, not shown handle connecting rod and handle 2; Its middle shell 1 is cube shaped; A plurality of conductive components are installed in the inside of housing 1, by the series connection of multipole switch and fuse and constitute; One end of a plurality of tabular major loop binding posts 3 is arranged on outside one side of housing 1, and the other end links to each other with above-mentioned a plurality of conductive components respectively after running through housing 1, and is positioned on each outside major loop binding post 3 and is formed with a wiring hole 7; The bottom of handle connecting rod is arranged on the inside of housing 1, and the upper surface that housing 1 is run through on top is outwards outstanding, be used to control above-mentioned multipole switch branch, close; One end of handle 2 is connected the outer end of handle connecting rod, is used for the turning handle connecting rod.When this isolating switch fuse group was in the separating brake position, handle 2 was the level of state; And when isolating switch fuse group was in closing position, handle 2 was vertical state.But, there is following point in the isolating switch fuse group of this prior art: as mentioned above, above-mentioned for a long time major loop binding post more than 3 adopts exposed mode to be provided with, and between the adjacent major loop binding post 3 without any insulating element, therefore be easy to touch major loop binding post 3 during operating personnel's manual operation handle 2, so just very easily cause personal injury, so fail safe is relatively poor to operating personnel.In addition, when needs connect the major loop lead on major loop binding post 3, operating personnel need pass the line end of major loop lead the wiring hole 7 on the major loop binding post 3 from the top down, below wiring hole 7, place a nut then, run through this hole from the top of wiring hole 7 with a screw again and be tightened on the nut, thereby the line end of major loop lead is fixed on the major loop binding post 3, but, because this fit must be finished through complex operations by operating personnel, therefore will feel operation inconvenience in some cases, and the wiring firmness is bad, and the result easily causes the temperature rise of binding post 3 too high.
Summary of the invention
In order to address the above problem, to the object of the present invention is to provide and a kind ofly can effectively improve fail safe that product uses and the isolating switch fuse group of being convenient to operate that has the binding post protective cover.
In order to achieve the above object, the isolating switch fuse group that has the binding post protective cover provided by the invention comprises housing, a plurality of conductive component, a plurality of tabular major loop binding post, handle connecting rod and handle; Its middle shell is cube shaped; A plurality of conductive components are installed in the inside of housing, by the series connection of multipole switch and fuse and constitute; One end of a plurality of tabular major loop binding posts is arranged on outside one side of housing, and the other end links to each other with above-mentioned a plurality of conductive components respectively after running through housing, and is positioned on each outside major loop binding post and is formed with a wiring hole; The bottom of handle connecting rod is arranged on the inside of housing, and the upper surface that housing is run through on top is outwards outstanding, be used to control above-mentioned multipole switch branch, close; One end of handle is connected the outer end of handle connecting rod, is used for the turning handle connecting rod; The described isolating switch fuse group that has the binding post protective cover also comprises a plurality of insulating walls, a plurality of protective cover and a plurality of nut; Wherein the both sides of each major loop binding post are respectively equipped with an insulating wall, and the rear end face of insulating wall links to each other with the lateral surface of housing; The bottom of each major loop binding post is equipped with a protective cover, and protective cover is a cube-shaped structure, and its upper surface medial recess is formed with a nut hole is set, and each nut is provided with and is provided with a nut in the hole.
When the protective cover that installs nut was arranged on major loop binding post bottom, the longitudinal center line that described nut is provided with hole, nut and wiring hole was positioned on same the vertical line.
The both sides, upper surface of described protective cover and front edge position project upwards and are formed with a flange, and cave inward along its length on the flange inner face and be formed with a groove.
Ultimate range on the described groove between the position of both sides of the edge, protective cover upper surface equals the width of major loop binding post, and the A/F of groove then is equal to or greater than the thickness of major loop binding post.
The shape that described nut is provided with the hole is identical with the external shape of nut.
Described insulating wall and housing are integrally formed.
The isolating switch fuse group that has the binding post protective cover provided by the invention is to utilize in the space of a plurality of major loop binding posts both sides insulating wall to be set; when avoiding operating personnel's manual operation handle effectively, the method for the bottom of major loop binding post installation insulation protection cover might touch the problem of major loop binding post simultaneously, so good operation safety.In addition, be built in the mechanical strength that nut on the protective cover can improve binding post, reduce the temperature rise of binding post, and be convenient to operating personnel's wiring.
Description of drawings
Fig. 1 is a kind of isolating switch fuse group external structure stereogram of prior art.
Fig. 2 is the isolating switch fuse group external structure exploded perspective view that has the binding post protective cover provided by the invention.
Fig. 3 is protective cover and metal nuts structural perspective in the isolating switch fuse group that has the binding post protective cover shown in Fig. 2.
Embodiment
Below in conjunction with the drawings and specific embodiments the isolating switch fuse group that has the binding post protective cover provided by the invention is elaborated.The parts identical with prior art adopt identical drawing reference numeral, and omit its explanation of carrying out.
As Fig. 2, shown in Figure 3, the isolating switch fuse group that has the binding post protective cover provided by the invention comprises housing 1, not shown a plurality of conductive components, a plurality of tabular major loop binding post 3, not shown handle connecting rod and handle 2; Its middle shell 1 is cube shaped; A plurality of conductive components are installed in the inside of housing 1, by the series connection of multipole switch and fuse and constitute; One end of a plurality of tabular major loop binding posts 3 is arranged on outside one side of housing 1, and the other end links to each other with above-mentioned a plurality of conductive components respectively after running through housing 1, and is positioned on each outside major loop binding post 3 and is formed with a wiring hole 7; The bottom of handle connecting rod is arranged on the inside of housing 1, and the upper surface that housing 1 is run through on top is outwards outstanding, be used to control above-mentioned multipole switch branch, close; One end of handle 2 is connected the outer end of handle connecting rod, is used for the turning handle connecting rod; The described isolating switch fuse group that has the binding post protective cover also comprises a plurality of insulating walls 4, a plurality of protective cover 5 and a plurality of nut 6; Wherein the both sides of each major loop binding post 3 are respectively equipped with an insulating wall 4, and the rear end face of insulating wall 4 links to each other with the lateral surface of housing 1; The bottom of each major loop binding post 3 is equipped with a protective cover 5, and protective cover 5 is a cube-shaped structure, and its upper surface medial recess is formed with a nut hole 8 is set, and each nut is provided with and is provided with a nut 6 in the hole 8.
When the protective cover 5 that installs nut 6 was arranged on major loop binding post 3 bottoms, the longitudinal center line that described nut is provided with hole 8, nut 6 and wiring hole 7 was positioned on same the vertical line.
Described protective cover 5 is made by insulating material, and its both sides, upper surface and front edge position project upwards and be formed with a flange 9, and caves inward along its length on the medial surface of flange 9 and be formed with a groove 10.
Ultimate range on the described groove 10 between the position of both sides of the edge, protective cover 5 upper surface equals the width of major loop binding post 3, and the A/F of groove 10 then is equal to or greater than the thickness of major loop binding post 3.
The shape that described nut is provided with hole 8 is identical with the external shape of nut 6.
Described insulating wall 4 is integrally formed with housing 1.
The isolating switch fuse group assembling process that has a binding post protective cover provided by the invention is as follows: assemble conductive component, major loop binding post 3, handle connecting rod and handle 2 at first according to the conventional method on housing 1; in the both sides of each major loop binding post 3 insulating wall 4 is set respectively then, certainly if integrally formed next this operation that need not of situation of insulating wall 4 and housing 1.The nut that nut 6 is placed on the protective cover 5 is provided with in the hole 8 afterwards; to be positioned at the locational groove in both sides of the edge, protective cover 5 upper surface 10 then and aim at the both sides of the edge of a major loop binding post 3 and insert protective cover 5 in the past backward, enter into the position that is positioned at front end on the groove 10 up to the front edge of major loop binding post 3.Repeat said process and can finish whole assembling process up to installing all protective covers 5.It is very convenient to adopt this inserting mode that protective cover 5 is arranged on the major loop binding post 3, can also adopt other connected mode certainly.
When needs connect the major loop lead on major loop binding post 3, operating personnel only need the line end with the major loop lead pass wiring hole 7 on the major loop binding post 3 from the top down, run through this hole with a screw from the top of wiring hole 7 then and the method that is tightened on the nut 6 can be fixed on the line end of major loop lead on the major loop binding post 3.
Claims (6)
1. isolating switch fuse group that has the binding post protective cover, it comprises housing (1), a plurality of conductive component, a plurality of tabular major loop binding posts (3), handle connecting rod and handle (2); Its middle shell (1) is cube shaped; A plurality of conductive components are installed in the inside of housing (1), by the series connection of multipole switch and fuse and constitute; One end of a plurality of tabular major loop binding posts (3) is arranged on outside one side of housing (1), the other end links to each other with above-mentioned a plurality of conductive components respectively after running through housing (1), and is positioned on each outside major loop binding post (3) and is formed with a wiring hole (7); The bottom of handle connecting rod is arranged on the inside of housing (1), and the upper surface that housing (1) is run through on top is outwards outstanding, be used to control above-mentioned multipole switch branch, close; One end of handle (2) is connected the outer end of handle connecting rod, is used for the turning handle connecting rod; It is characterized in that: the described isolating switch fuse group that has the binding post protective cover also comprises a plurality of insulating walls (4), a plurality of protective cover (5) and a plurality of nut (6); Wherein the both sides of each major loop binding post (3) are respectively equipped with an insulating wall (4), and the rear end face of insulating wall (4) links to each other with the lateral surface of housing (1); The bottom of each major loop binding post (3) is equipped with a protective cover (5), and protective cover (5) is a cube-shaped structure, and its upper surface medial recess is formed with a nut hole (8) is set, and each nut is provided with and is provided with a nut (6) in the hole (8).
2. the isolating switch fuse group that has the binding post protective cover according to claim 1; it is characterized in that: when the protective cover that installs nut (6) (5) was arranged on major loop binding post (3) bottom, the longitudinal center line that described nut is provided with hole (8), nut (6) and wiring hole (7) was positioned on same the vertical line.
3. the isolating switch fuse group that has the binding post protective cover according to claim 1; it is characterized in that: the both sides, upper surface of described protective cover (5) and front edge position project upwards and are formed with a flange (9), and cave inward along its length on the medial surface of flange (9) and be formed with a groove (10).
4. the isolating switch fuse group that has the binding post protective cover according to claim 3; it is characterized in that: be positioned at the width that ultimate range between the position of protective cover (5) both sides of the edge, upper surface equals major loop binding post (3) on the described groove (10), the A/F of groove (10) then is equal to or greater than the thickness of major loop binding post (3).
5. the isolating switch fuse group that has the binding post protective cover according to claim 1 is characterized in that: the shape that described nut is provided with hole (8) is identical with the external shape of nut (6).
6. the isolating switch fuse group that has the binding post protective cover according to claim 1 is characterized in that: described insulating wall (4) is integrally formed with housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010298523 CN101976623A (en) | 2010-09-30 | 2010-09-30 | Disconnecting switch fuse block with wiring terminal protection sleeves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010298523 CN101976623A (en) | 2010-09-30 | 2010-09-30 | Disconnecting switch fuse block with wiring terminal protection sleeves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101976623A true CN101976623A (en) | 2011-02-16 |
Family
ID=43576495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010298523 Pending CN101976623A (en) | 2010-09-30 | 2010-09-30 | Disconnecting switch fuse block with wiring terminal protection sleeves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101976623A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400719A (en) * | 2013-08-07 | 2013-11-20 | 国家电网公司 | Insulating protective cover for high voltage load switch connecting terminal |
| CN103580548A (en) * | 2013-10-17 | 2014-02-12 | 苏州艾克威尔科技有限公司 | Soft starter convenient to install |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2516699A1 (en) * | 1981-11-19 | 1983-05-20 | Technoelectric Srl | Casing structure for manually operated circuit breaker - has two superposed insulating housings and raisable contacts for fuse permitting viewing of fixed and movable contacts through window |
| EP0289778A1 (en) * | 1987-03-31 | 1988-11-09 | Elek Gmbh | Load break switch |
| WO2001039230A1 (en) * | 1999-11-26 | 2001-05-31 | Siemens Aktiengesellschaft | Electrical switchgear comprising several housing parts |
| CN101459009A (en) * | 2007-12-14 | 2009-06-17 | 无锡新宏泰电器有限责任公司 | Switch device for fast disconnecting closed load isolating switch |
-
2010
- 2010-09-30 CN CN 201010298523 patent/CN101976623A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2516699A1 (en) * | 1981-11-19 | 1983-05-20 | Technoelectric Srl | Casing structure for manually operated circuit breaker - has two superposed insulating housings and raisable contacts for fuse permitting viewing of fixed and movable contacts through window |
| EP0289778A1 (en) * | 1987-03-31 | 1988-11-09 | Elek Gmbh | Load break switch |
| WO2001039230A1 (en) * | 1999-11-26 | 2001-05-31 | Siemens Aktiengesellschaft | Electrical switchgear comprising several housing parts |
| CN101459009A (en) * | 2007-12-14 | 2009-06-17 | 无锡新宏泰电器有限责任公司 | Switch device for fast disconnecting closed load isolating switch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103400719A (en) * | 2013-08-07 | 2013-11-20 | 国家电网公司 | Insulating protective cover for high voltage load switch connecting terminal |
| CN103400719B (en) * | 2013-08-07 | 2015-08-05 | 国家电网公司 | A kind of high voltage load switch binding post insulating protective cover |
| CN103580548A (en) * | 2013-10-17 | 2014-02-12 | 苏州艾克威尔科技有限公司 | Soft starter convenient to install |
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Application publication date: 20110216 |