CN211016888U

CN211016888U - Fuse type isolating switch

Info

Publication number: CN211016888U
Application number: CN201922228594.2U
Authority: CN
Inventors: 陈尧兴
Original assignee: Donghua Electric Stock Co ltd Of Zhejiang
Current assignee: Donghua Electric Stock Co ltd Of Zhejiang
Priority date: 2019-12-12
Filing date: 2019-12-12
Publication date: 2020-07-14
Anticipated expiration: 2029-12-12

Abstract

The utility model discloses a fuse formula isolator, including outside casing, the both ends symmetric connection of outside casing has the installation end, has seted up the bolt hole on the installation end, and the insulating bottom plate of outside casing lower extreme fixedly connected with, first static contact and second static contact are installed through the bolt respectively at the both ends of insulating bottom plate, are provided with the partition panel on the outside casing between the first static contact, and the upper end of first static contact is connected with first connecting plate. This fuse formula isolator connects the apron through outside casing hinge, and pivot control apron state that opens and shuts, spacing post and arc wall swing joint restrict the scope that opens and shuts of apron, and first static contact and second static contact adopt the bolt installation, simple structure, and easy equipment, first connecting plate is the metal sheet of arc structure simultaneously, and the design of third connecting plate slope has increased heat radiating area to improve the radiating effect, the radiating effect is good.

Description

Fuse type isolating switch

Technical Field

The utility model relates to a fuse formula isolator technical field specifically is a fuse formula isolator.

Background

The fuse type disconnecting switch is a switch for protecting electric equipment through a fuse, and the switch is required to be simply and rapidly separated and combined in use. The common fuse type isolating switch generally comprises a base provided with a fixed contact and an upper cover provided with a movable contact, wherein the upper cover is hinged with the base through a connecting piece, and the switch is separated and combined through the rotation of the upper cover. Because the requirement for temperature rise is improved by the current new standard, most of the fuse type disconnecting switches with the existing structures have the following defects: the temperature rise is too high to meet the requirements, and therefore needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fuse formula isolator, it is good to have the radiating effect, and the problem among the prior art has been solved to the advantage of easy installation.

In order to achieve the above object, the utility model provides a following technical scheme: a fuse type isolating switch comprises an outer shell, wherein two ends of the outer shell are symmetrically connected with mounting ends, bolt holes are formed in the mounting ends, an insulating bottom plate is fixedly connected to the lower end of the outer shell, a first static contact and a second static contact are respectively mounted at two ends of the insulating bottom plate through bolts, a partition plate is arranged on the outer shell between the first static contacts, the upper end of the first static contact is connected with a first connecting plate, one side of the first connecting plate is fixedly connected with a second connecting plate, one end of the second connecting plate is fixedly connected with a first extrusion plate, two sides of the first extrusion plate are fixedly connected through a first snap ring, the upper end of the second static contact is connected with a third connecting plate, the upper end of the third connecting plate is symmetrically connected with a second extrusion plate, two sides of the third connecting plate are fixedly connected through a second snap ring, and ventilation windows are symmetrically formed, the one end that outside casing is close to the second static contact is connected with the apron through the pivot hinge, and the arc wall has been seted up to one side that outside casing is close to the pivot, the one end of apron is connected with the hinged end, and spacing post is connected to the one end of hinged end, spacing post and arc wall swing joint, and the one end that the hinged end was kept away from to the apron is connected with the handle, is connected with the transparent window on the apron of handle one side, and the inboard that the apron is close to handle one end is connected with the jack catch, is connected with the fuse on the.

Preferably, the first connecting plate is a metal plate with an arc-shaped structure.

Preferably, the third connecting plate is an inclined metal plate structure.

Preferably, the second snap ring penetrates through the third connecting plate, and the third connecting plate is provided with a long groove matched with the second snap ring.

Preferably, the two sides of the cover plate are symmetrically connected with limiting pieces.

Compared with the prior art, the beneficial effects of the utility model are as follows:

this fuse formula isolator connects the apron through outside casing hinge, the state that opens and shuts is lapped in the pivot control, spacing post and arc wall swing joint, the scope of opening and shutting to the restriction apron is restricted, first static contact and second static contact adopt the bolt installation, moreover, the steam generator is simple in structure, easy assembly, first connecting plate is the metal sheet of arc structure simultaneously, the design of third connecting plate slope, heat radiating area has been increased, thereby improve the radiating effect, it dispels the heat to have the transom to follow the lateral wall to whole fuse formula isolator to cooperate simultaneously, the radiating effect is good.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a structural view of the cover plate opening structure of the present invention;

fig. 4 is a structural view of a first static contact of the present invention;

fig. 5 is a structural view of a second static contact according to the present invention.

In the figure: 1. an outer housing; 11. an installation end; 111. bolt holes; 12. an insulating base plate; 13. a first fixed contact; 131. a first connecting plate; 132. a second connecting plate; 133. a first squeeze plate; 134. a first snap ring; 14. a second fixed contact; 141. a third connecting plate; 142. a second compression plate; 143. a second snap ring; 15. a partition panel; 16. a ventilation window; 17. a rotating shaft; 18. an arc-shaped slot; 2. a cover plate; 21. a hinged end; 211. a limiting column; 22. a handle; 23. a transparent window; 24. a claw; 25. and a fuse.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, a fuse type disconnecting switch includes an outer housing 1, two ends of the outer housing 1 are symmetrically connected to a mounting end 11, the mounting end 11 is provided with a bolt hole 111, a lower end of the outer housing 1 is fixedly connected to an insulating base plate 12, two ends of the insulating base plate 12 are respectively provided with a first static contact 13 and a second static contact 14 through bolts, the outer housing 1 between the first static contacts 13 is provided with a partition plate 15, an upper end of the first static contact 13 is connected to a first connecting plate 131, one side of the first connecting plate 131 is fixedly connected to a second connecting plate 132, the first connecting plate 131 is a metal plate with an arc structure, the arc structure can increase elasticity between the first pressing plate 133 and the first connecting plate 131, can also increase the length of the second connecting plate 132, increases a heat dissipation area, thereby improving a heat dissipation effect, one end of the second connecting plate 132 is fixedly connected to the first pressing plate 133, the two sides of the first extrusion plate 133 are fixedly connected through a first snap ring 134, the upper end of the second static contact 14 is connected with a third connection plate 141, the third connection plate 141 is an inclined metal plate structure, the third connection plate 141 is used for connecting with a second extrusion plate 142, the inclined design can lengthen the length of the third connection plate 141 and improve the heat dissipation effect, the upper end of the third connection plate 141 is symmetrically connected with the second extrusion plate 142, the two sides of the third connection plate 141 are fixedly connected through a second snap ring 143, the second snap ring 143 penetrates through the third connection plate 141, the third connection plate 141 is provided with an elongated slot matched with the second snap ring 143, the second snap ring 143 is used for supporting the second extrusion plate 142 and maintaining the distance between the second extrusion plates 142, so that the second extrusion plate 142 can clamp the two ends of the fuse 25, the two sides of the outer housing 1 are symmetrically provided with ventilation windows 16, one end of the outer housing 1 close to the second static contact 14 is hinged with a cover plate 2 through a rotating shaft, arc wall 18 has been seted up to one side that outside casing 1 is close to pivot 17, the one end of apron 2 is connected with hinged end 21, spacing post 211 is connected to the one end of hinged end 21, spacing

post

211 and 18 swing joint of arc wall, the one end that hinged end 21 was kept away from to apron 2 is connected with handle 22, be connected with transparent window 23 on the apron 2 of handle 22 one side, the inboard that apron 2 is close to handle 22 one end is connected with jack catch 24, be connected with fuse 25 on the apron 2 of jack catch 24 one side, the bilateral symmetry of apron 2 has spacing piece, spacing piece prevents to lap 2 and crosses the lid.

The working process is as follows: when the insulating cover plate 2 is closed, two ends of the fuse 25 are respectively clamped with the first extrusion plate 133 and the second extrusion plate 142, the first connecting plate 131 is a metal plate with an arc-shaped structure, the arc-shaped structure can increase the elasticity between the first extrusion plate 133 and the first connecting plate 131 and also can increase the length of the second connecting plate 132, so that the heat dissipation area is increased, the heat dissipation effect is improved, the inclined design of the third connecting plate 141 can lengthen the length of the third connecting plate 141, the heat dissipation effect is improved, and meanwhile, the whole fuse type isolating switch can be cooled from the side wall through the ventilation window 16, the heat dissipation effect is good.

In summary, the following steps: this fuse formula isolator, connect apron 2 through 1 hinge of outside casing, the 2 states that open and shut of pivot 17 control apron, spacing post 211 and arc wall 18 swing joint, limit the scope that opens and shuts of apron 2, first static contact 13 and second static contact 14 adopt the bolt installation, moreover, the steam generator is simple in structure, easy equipment, first connecting plate 131 is the metal sheet of arc structure simultaneously, the design of third connecting plate 141 slope, heat radiating area has been increased, thereby the radiating effect is improved, it dispels the heat to have ventilation window 16 to follow the lateral wall to whole fuse formula isolator to cooperate simultaneously, the radiating effect is good.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fused disconnect switch comprising an outer housing (1), characterized in that: the two ends of the outer shell (1) are symmetrically connected with mounting ends (11), bolt holes (111) are formed in the mounting ends (11), the lower end of the outer shell (1) is fixedly connected with an insulating base plate (12), two ends of the insulating base plate (12) are respectively provided with a first static contact (13) and a second static contact (14) through bolts, a partition plate (15) is arranged on the outer shell (1) between the first static contacts (13), the upper end of the first static contact (13) is connected with a first connecting plate (131), one side of the first connecting plate (131) is fixedly connected with a second connecting plate (132), one end of the second connecting plate (132) is fixedly connected with a first extrusion plate (133), two sides of the first extrusion plate (133) are fixedly connected through a first clamping ring (134), the upper end of the second static contact (14) is connected with a third connecting plate (141), and the upper end of the third connecting plate (141) is symmetrically connected with a second extrusion plate, the two sides of the third connecting plate (141) are fixedly connected through a second clamping ring (143), the two sides of the outer shell (1) are symmetrically provided with vent windows (16), one end of the outer shell (1) close to the second fixed contact (14) is hinged with a cover plate (2) through a rotating shaft (17), one side of the outer shell (1) close to the rotating shaft (17) is provided with an arc-shaped groove (18), the one end of apron (2) is connected with hinged end (21), spacing post (211) is connected to the one end of hinged end (21), spacing post (211) and arc wall (18) swing joint, the one end of keeping away from hinged end (21) in apron (2) is connected with handle (22), be connected with transparent window (23) on apron (2) of handle (22) one side, the inboard that apron (2) are close to handle (22) one end is connected with jack catch (24), be connected with fuse (25) on apron (2) of jack catch (24) one side.

2. A fused disconnect switch in accordance with claim 1 wherein: the first connecting plate (131) is a metal plate with an arc-shaped structure.

3. A fused disconnect switch in accordance with claim 1 wherein: the third connecting plate (141) is an inclined metal plate structure.

4. A fused disconnect switch in accordance with claim 1 wherein: the second clamping ring (143) penetrates through the third connecting plate (141), and a long groove matched with the second clamping ring (143) is formed in the third connecting plate (141).

5. A fused disconnect switch in accordance with claim 1 wherein: the two sides of the cover plate (2) are symmetrically connected with limiting pieces.