CN105374591A - Fuse-type isolation switch - Google Patents
Fuse-type isolation switch Download PDFInfo
- Publication number
- CN105374591A CN105374591A CN201510764952.5A CN201510764952A CN105374591A CN 105374591 A CN105374591 A CN 105374591A CN 201510764952 A CN201510764952 A CN 201510764952A CN 105374591 A CN105374591 A CN 105374591A
- Authority
- CN
- China
- Prior art keywords
- base
- fuse
- protective cover
- upper cover
- disconnecting switch
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/10—Adaptation for built-in fuses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
- H01H9/34—Stationary parts for restricting or subdividing the arc, e.g. barrier plate
Landscapes
- Fuses (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a fuse-type isolation switch. The fuse-type isolation switch comprises a base and an upper cover, wherein contact seats are arranged at the two ends of the base, electricity connection parts which are suitably used for matching with contact knife parts at the two ends of a fuse and a wiring part connected with an external cable are arranged on the contact seats, the upper cover is arranged above the base and can be opened and closed, the fuse is arranged at the inner side of the upper cover, protective covers are respectively arranged at the two ends of the base and used for covering the contact seats at the two ends, and the two protective covers have same structure and can be detachably arranged on the base. In the fuse-type isolation switch disclosed by the invention, the protective covers are arranged and used for covering the contact seats, the effects of dust prevention and electric shock prevention are developed, and high protection is achieved; moreover, the protective covers at the two ends adopt the same structure, a pair of dies are only needed during production, and thus, the production cost can be reduced; and an arc-control device is also very convenient to install.
Description
Technical field
The present invention relates to a kind of isolating switch, be specifically related to a kind of fuse disconnecting switch.
Background technology
Fuse disconnecting switch is a kind of manually operated simply effective protective device, mainly plays isolation or short-circuit protection effect in the line.The feature of isolating switch is when separation point position, and the feel between dynamic/static contact reaches certain standard at a distance, and has and significantly disconnect mark, and can bear exceptional condition electric current in normal loop current and special time when closed.
Existing fuse disconnecting switch comprises base and upper cover, and described base two ends are provided with contact base, and described contact base is provided with and is suitable for the power part coordinated with contact knife portion, fuse two ends and the wire connecting portion be connected with External cable; Be covered on described above described base, and can open and close, described fuse is loaded on inside described upper cover.Above-mentioned existing fuse disconnecting switch Problems existing is: outside contact base is exposed to, cannot dust-proof and protection against electric shock, causes protective poor.
Summary of the invention
To this, technical problem to be solved by this invention is outside contact knife portion, existing fuse disconnecting switch two ends is exposed to, and causes the problem of protective difference, thus provides a kind of while reduction production cost, improves the fuse disconnecting switch of product protective.
The technical scheme realizing the object of the invention is:
A kind of fuse disconnecting switch, comprising:
Base, its two ends are provided with contact base, and described contact base is provided with and is suitable for the power part coordinated with contact knife portion, fuse two ends and the wire connecting portion be connected with External cable;
Upper cover, is located at above described base, and can open and close, and described fuse is loaded on inside described upper cover;
The two ends of described base are respectively equipped with the protective cover for hiding the contact base described in two ends, and the structure of two described protective covers is identical, and is all removably arranged on described base.
In technique scheme, be provided with the dividing plate separated by adjacent contact seat in described protective cover, described base is provided with isolation channel with described dividing plate correspondence position, and the bottom of described dividing plate extends in described isolation channel.
In technique scheme, the sidewall of described protective cover is provided with the first location notch arranged along its installation direction, and described base is provided with the first positioning boss being suitable for coordinating with described first location notch;
Described protective cover is or/and described base forms the elastic pinch plate arranged along described protective cover installation direction, corresponding, and described base is or/and the shaping catching groove being suitable for coordinating with described elastic pinch plate on described protective cover.
In technique scheme, position corresponding with each contact base on described protective cover is detachably provided with arc-control device.
In technique scheme, described arc-control device comprises the shell with opening and the some arc extinguishing grid pieces be inserted into by described opening in described shell;
Described protective cover forms the second positioning boss and fixing hole, the front end of described shell forms the second location notch coordinated with described second positioning boss, its rear end forms the elastic hook coordinated with described fixing hole, when described second location notch and described second positioning boss are formed and coordinate, described second positioning boss is against edge, described arc extinguishing grid pieces front, deviates from from described opening to prevent arc extinguishing grid pieces.
Described protective cover forms and is suitable for propping up described arc extinguishing grid pieces both sides of the edge when described arc-control device is in place, with the blocking part preventing described arc extinguishing grid pieces from deviating from from described opening.
In technique scheme, position corresponding with described fuse in the middle part of described upper cover is provided with observation panel, and described observation panel outside is provided with transparent cover plate.
In technique scheme, one end of described upper cover and one end of described base are rotationally connected, and the other end of described upper cover is provided with is convenient to its handle of opening and closing, is provided with the elasticity being suitable for being connected with corresponding protective cover when closed and hooks plate in described upper cover.
The present invention has positive effect:
(1) protective cover is set in fuse disconnecting switch of the present invention and hides contact base, play dust-proof and effect that is protection against electric shock, and two ends protective cover adopts same structure, a secondary production mould is only needed when producing, so, the protective of product just can be improved while reducing production cost.
(2) in fuse disconnecting switch of the present invention, by arranging the dividing plate separated by adjacent contact seat in described protective cover, described base is provided with isolation channel with described dividing plate correspondence position, the bottom of described dividing plate extends in described isolation channel, adopt this structure adjacent contact seat effectively can be separated, thus increase creepage distance, improve safety.
(3) in fuse disconnecting switch of the present invention, coordinated with the first positioning boss by the first location notch, described elastic pinch plate coordinates with catching groove thus realizes the installation of protective cover and detachable, and fitting operation is reliably convenient, has good result of use.
(4) in fuse disconnecting switch of the present invention, when contact knife portion is separated with power part, the electric arc of generation can be extinguished in time by arranging arc-control device, ensure line security, further, described arc-control device comprises the shell with opening and the some arc extinguishing grid pieces be inserted into by described opening in described shell, described protective cover forms the second positioning boss and fixing hole, the front end of described shell forms the second location notch coordinated with described second positioning boss, its rear end forms the elastic hook coordinated with described fixing hole, when described second location notch and described second positioning boss are formed and coordinate, described second positioning boss is against edge, described arc extinguishing grid pieces front, deviate from from described opening to prevent arc extinguishing grid pieces, adopt this structure can be convenient to arc-control device assembling and install, when assembling arc-control device by the enclosure of arc extinguishing grid pieces plug-in mounting, without the need to fixing in addition arc extinguishing grid pieces.
(5) in fuse disconnecting switch of the present invention, position corresponding with described fuse in the middle part of described upper cover is provided with observation panel, described observation panel outside is provided with transparent cover plate, so, staff can observe the change of fuse color and judge whether fuse fuses with this from outside.
Accompanying drawing explanation
Fig. 1 is the structural representation of fuse disconnecting switch in the present invention;
Fig. 2 removes the structural representation of upper cover for fuse disconnecting switch shown in Fig. 1;
Fig. 3 is in the present invention, the structural representation of upper cover (fuse is housed);
Fig. 4 is in the present invention, the structural representation of base (contact base and a protective cover are housed);
Fig. 5 is in the present invention, protective cover and arc-control device assemble after structural representation;
Fig. 6 is in the present invention, the structural representation of arc-control device;
Fig. 7 is in the present invention, protective cover and arc-control device assemble before structural representation;
Fig. 8 is in the present invention, the explosive view of upper cover.
Reference numeral shown in figure is: 1-base; 11-isolation channel; 12-first positioning boss; 2-contact base; 21-power part; 22-wire connecting portion; 3-fuse; 31-contact knife portion; 32-T shape fastener; 4-upper cover; 41-observation panel; 42-handle; 43-elasticity hooks plate; 5-protective cover; 51-fixing hole; 52-first location notch; 53-second positioning boss; 6-elastic pinch plate; 7-catching groove; 8-arc-control device; 81-shell; 82-arc extinguishing grid pieces; 83-elastic hook; 84-second location notch; 9-transparent cover plate; 10-flexible clamp piece.
Embodiment
Do to illustrate to the concrete structure of fuse disconnecting switch in the present invention below in conjunction with Figure of description:
A kind of fuse disconnecting switch, as shown in Figures 1 to 4, it comprises base 1 and upper cover 4, and described base 1 two ends are provided with contact base 2, and described contact base 2 is provided with and is suitable for the power part 21 coordinated with contact knife portion, fuse 3 two ends 31 and the wire connecting portion 22 be connected with External cable; Described upper cover 4 is located at above described base 1, and can open and close, and described fuse 3 is loaded on inside described upper cover 4; The two ends of described base 1 are respectively equipped with the protective cover 5 for hiding the contact base 2 described in two ends, and the structure of two described protective covers 5 is identical, and is all removably arranged on described base 1.Protective cover 5 is set in the fuse disconnecting switch of the present embodiment and hides contact base, play dust-proof and effect that is protection against electric shock, and two ends protective cover 5 adopts same structure, a secondary production mould is only needed when producing, so, the protective of product just can be improved while reducing production cost.
Further, the dividing plate (not shown) separated by adjacent contact seat 2 is provided with in described protective cover 5, described base 1 is provided with isolation channel 11 with described dividing plate correspondence position, the bottom of described dividing plate extends in described isolation channel 11, adopt this structure adjacent contact seat effectively can be separated, thus increase creepage distance, improve safety.
In the present embodiment, the sidewall of described protective cover 5 is provided with the first location notch 52 arranged along its installation direction, and described base 1 is provided with the first positioning boss 12 being suitable for coordinating with described first location notch 52; Described protective cover 5 is or/and described base 1 forms the elastic pinch plate 6 arranged along described protective cover 5 installation direction, corresponding, and described base 1 is or/and the shaping catching groove 7 being suitable for coordinating with described elastic pinch plate 6 on described protective cover 5.In said structure, coordinated with the first positioning boss 12 by the first location notch 52, described elastic pinch plate 6 coordinates with catching groove 7 thus realizes the installation of protective cover 5 and detachable, and fitting operation is reliably convenient, has good result of use.
Further, position corresponding with each contact base 2 on described protective cover 5 is detachably provided with arc-control device 8, can be extinguished in time by the electric arc of generation by arranging arc-control device 8 when contact knife portion 31 is separated with power part 21, ensures line security, referring specifically to Fig. 5.
Further again, as shown in Figure 6 and Figure 7, described arc-control device 8 comprises the shell 81 with opening and the some arc extinguishing grid pieces 82 be inserted into by described opening in described shell; Described protective cover 5 forms the second positioning boss 53 and fixing hole 51, the front end of described shell 81 forms the second location notch 84 coordinated with described second positioning boss 53, its rear end forms the elastic hook 83 coordinated with described fixing hole 51, when described second location notch 84 and described second positioning boss 53 are formed and coordinate, described second positioning boss 53 is against edge, described arc extinguishing grid pieces 82 front, deviates from from described opening to prevent arc extinguishing grid pieces 82.Adopt this structure can be convenient to arc-control device 8 to assemble and install, when assembling arc-control device 8, the shell 81 of arc extinguishing grid pieces 82 plug-in mounting is inner, without the need to fixing in addition arc extinguishing grid pieces 82.
As shown in Figure 8, position corresponding with described fuse 3 in the middle part of described upper cover 4 in the present embodiment is provided with observation panel 41, described observation panel 41 outside is provided with transparent cover plate 9, adopt this structure, staff can observe the change of fuse 3 color and judge whether fuse 3 fuses with this from outside.
In the present embodiment, one end of described upper cover 4 and one end of described base 1 are rotationally connected, the other end of described upper cover 4 is provided with is convenient to its handle 42 of opening and closing, be provided with the elasticity being suitable for being connected with corresponding protective cover 5 when closed in described upper cover 4 and hook plate 43, structure is referring to Fig. 3, adopt this structure when cutting off and connect circuit, upper cover 4 is overturn by handle 42, elasticity is set and hooks plate 43, when upper cover 4 closes, described elasticity hook plate 43 is connected with protective cover 5, thus guarantee the reliability that upper cover 4 is closed, thus guarantee the reliability that fuse 3 contact knife portion 31 is connected with contact base 2 power part 21 further.
For the ease of installing fuse 3, described fuse 3 two ends in the present embodiment are respectively provided with a T-shaped fastener 32, coordinate installation with the draw-in groove of correspondence position on upper cover 4 and flexible clamp piece 10 respectively, described flexible clamp piece 10 has had the flexible clamping portion be suitable for described T-shaped fastener 32 snap-fit engagement.
Obviously, the above embodiment of the present invention is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to connotation of the present invention the apparent change of extending out or variation still belong to protection scope of the present invention.
Claims (7)
1. a fuse disconnecting switch, comprising:
Base (1), its two ends are provided with contact base (2), and described contact base (2) is provided with and is suitable for the power part (21) coordinated with contact knife portion, fuse (3) two ends (31) and the wire connecting portion (22) be connected with External cable;
Upper cover (4), is located at described base (1) top, and can open and close, and described fuse (3) is loaded on described upper cover (4) inner side;
It is characterized in that: the two ends of described base (1) are respectively equipped with the protective cover (5) for hiding the contact base (2) described in two ends, the structure of described two protective covers (5) is identical, and is all removably arranged on described base (1).
2. fuse disconnecting switch according to claim 1, it is characterized in that: in described protective cover (5), be provided with the dividing plate separated by adjacent contact seat (2), described base (1) is upper is provided with isolation channel (11) with described dividing plate correspondence position, and the bottom of described dividing plate extends in described isolation channel (11).
3. fuse disconnecting switch according to claim 1 and 2, it is characterized in that: the sidewall of described protective cover (5) is provided with the first location notch (52) arranged along its installation direction, described base (1) is provided with the first positioning boss (12) being suitable for coordinating with described first location notch (52);
Described protective cover (5) is or/and described base (1) forms the elastic pinch plate (6) arranged along described protective cover (5) installation direction, corresponding, described base (1) is or/and the upper shaping catching groove (7) being suitable for coordinating with described elastic pinch plate (6) of described protective cover (5).
4. fuse disconnecting switch according to claim 1 and 2, is characterized in that: the upper position corresponding with each contact base (2) of described protective cover (5) is detachably provided with arc-control device (8).
5. fuse disconnecting switch according to claim 4, is characterized in that: described arc-control device (8) comprises the shell (81) with opening and the some arc extinguishing grid pieces (82) be inserted into by described opening in described shell;
Described protective cover (5) forms the second positioning boss (53) and fixing hole (51), the front end of described shell (81) forms the second location notch (84) coordinated with described second positioning boss (53), its rear end forms the elastic hook (83) coordinated with described fixing hole (51), when described second location notch (84) and described second positioning boss (53) are formed and coordinate, described second positioning boss (53) is against described arc extinguishing grid pieces (82) edge, front, deviate from from described opening to prevent arc extinguishing grid pieces (82).
6. fuse disconnecting switch according to claim 1, it is characterized in that: the position corresponding with described fuse (3), described upper cover (4) middle part is provided with observation panel (41), and described observation panel (41) outside is provided with transparent cover plate (9).
7. fuse disconnecting switch according to claim 1, it is characterized in that: one end of described upper cover (4) and one end of described base (1) are rotationally connected, the other end of described upper cover (4) is provided with is convenient to its handle (42) of opening and closing, is provided with the elasticity being suitable for being connected with corresponding protective cover (5) when closed and hooks plate (43) in described upper cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764952.5A CN105374591B (en) | 2015-11-11 | 2015-11-11 | Fuse disconnecting switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510764952.5A CN105374591B (en) | 2015-11-11 | 2015-11-11 | Fuse disconnecting switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105374591A true CN105374591A (en) | 2016-03-02 |
| CN105374591B CN105374591B (en) | 2017-12-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510764952.5A Active CN105374591B (en) | 2015-11-11 | 2015-11-11 | Fuse disconnecting switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105374591B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039209A (en) * | 2017-06-09 | 2017-08-11 | 浙江金莱勒电气有限公司 | A kind of protective cover and the disconnecting switch with it |
| CN108962681A (en) * | 2017-09-19 | 2018-12-07 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance |
| CN109671587A (en) * | 2018-05-09 | 2019-04-23 | 德力西集团有限公司 | Electrical terminals and fuse disconnecting switch with the electrical terminals |
| CN110060905A (en) * | 2019-03-28 | 2019-07-26 | 德力西集团有限公司 | Fuse disconnecting switch |
| CN110534948A (en) * | 2019-08-20 | 2019-12-03 | 东风海博新能源科技有限公司 | Fast socket, connector |
| CN117976460A (en) * | 2024-01-20 | 2024-05-03 | 浙江金莱勒电气有限公司 | 1140V fuse type isolating switch and production process thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2620567A1 (en) * | 1987-09-15 | 1989-03-17 | Legrand Sa | Cartridge with knives for circuit cut-out |
| EP1302957A1 (en) * | 2001-10-11 | 2003-04-16 | Weber Ag | Low-voltage high-power contact arrangement |
| CN101816057A (en) * | 2007-09-18 | 2010-08-25 | 沃纳电工系统两合股份有限公司 | The fused load isolating switch with two contact protections of variable closure |
| CN203165837U (en) * | 2013-04-12 | 2013-08-28 | 浙江西熔电气有限公司 | Novel fuse-type isolating switch |
| CN205081026U (en) * | 2015-11-11 | 2016-03-09 | 德力西集团有限公司 | Fuse type isolation switch |
-
2015
- 2015-11-11 CN CN201510764952.5A patent/CN105374591B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2620567A1 (en) * | 1987-09-15 | 1989-03-17 | Legrand Sa | Cartridge with knives for circuit cut-out |
| EP1302957A1 (en) * | 2001-10-11 | 2003-04-16 | Weber Ag | Low-voltage high-power contact arrangement |
| CN101816057A (en) * | 2007-09-18 | 2010-08-25 | 沃纳电工系统两合股份有限公司 | The fused load isolating switch with two contact protections of variable closure |
| CN203165837U (en) * | 2013-04-12 | 2013-08-28 | 浙江西熔电气有限公司 | Novel fuse-type isolating switch |
| CN205081026U (en) * | 2015-11-11 | 2016-03-09 | 德力西集团有限公司 | Fuse type isolation switch |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107039209A (en) * | 2017-06-09 | 2017-08-11 | 浙江金莱勒电气有限公司 | A kind of protective cover and the disconnecting switch with it |
| CN108962681A (en) * | 2017-09-19 | 2018-12-07 | 厦门宏发电力电器有限公司 | A kind of high voltage direct current relay improving arc extinguishing ability by increasing creepage distance |
| CN109671587A (en) * | 2018-05-09 | 2019-04-23 | 德力西集团有限公司 | Electrical terminals and fuse disconnecting switch with the electrical terminals |
| CN110060905A (en) * | 2019-03-28 | 2019-07-26 | 德力西集团有限公司 | Fuse disconnecting switch |
| CN110060905B (en) * | 2019-03-28 | 2024-05-07 | 德力西集团有限公司 | Fuse type isolating switch |
| CN110534948A (en) * | 2019-08-20 | 2019-12-03 | 东风海博新能源科技有限公司 | Fast socket, connector |
| CN117976460A (en) * | 2024-01-20 | 2024-05-03 | 浙江金莱勒电气有限公司 | 1140V fuse type isolating switch and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105374591B (en) | 2017-12-12 |
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