CN210743852U

CN210743852U - Low-voltage isolating switch

Info

Publication number: CN210743852U
Application number: CN201922484711.1U
Authority: CN
Inventors: 张虎; 张金城; 孙卫东; 厚永平; 吴春凯; 王艳东; 刘竹笑; 禹晨昕; 包婉琪; 张明
Original assignee: Xilingol League Electric Power Bureau Of Inner Mongolia Power Group Co ltd
Current assignee: Xilingol League Electric Power Bureau Of Inner Mongolia Power Group Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-12
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a low voltage isolator, the on-line screen storage device comprises a base, install first post insulator and second post insulator on the base, install first copper bar and second copper bar through the bolt on first post insulator and the second post insulator respectively, install the static contact that is U type structure on the second copper bar, rotate through the pivot on the first copper bar and be connected with the touch panel. The utility model discloses in, be the setting of U type structure through the static contact, the contact is fashionable, and the inboard of two sets of touch panels all is connected with the side end face of first fixed plate and second fixed plate, and the outside of two sets of touch panels is connected with the static contact inboard of U type structure, has increased the effective area of static contact, has improved the stability of low pressure isolator work.

Description

Low-voltage isolating switch

Technical Field

The utility model relates to a low pressure isolator technical field especially relates to a low pressure isolator.

Background

When the isolating switch is in a separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position.

However, most switches of the existing low-voltage isolating switches are tongue-plate type static contacts, the contact area of the static contacts and the isolating knife plate is small, the contact surface is heated to burn the static contacts in an overload state, and the static contacts deform due to long-time pull-closing, so that the problems of loosening of contact points, unreliable contact and the like of the isolating switches are caused; secondly, the touch panel only depends on the force of the rotating shaft under the condition that the touch panel is not in contact with the static contact, and the stability of the touch panel cannot be ensured.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems of the low-voltage isolating switch, the low-voltage isolating switch is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a low-voltage isolating switch, includes the base, install first post insulator and second post insulator on the base, install first copper bar and second copper bar through the bolt respectively on first post insulator and the second post insulator, install the static contact that is U type structure on the second copper bar, rotate through the pivot on the first copper bar and be connected with the touch panel.

As a further description of the above technical solution:

the touch panels are arranged in two groups, and the two groups of touch panels are connected through bolts.

As a further description of the above technical solution:

the front horizontal end and the rear horizontal end of the static contact are respectively provided with a first fixing plate and a second fixing plate, and the two groups of touch plates are clamped on two sides of the first fixing plate and the second fixing plate.

As a further description of the above technical solution:

two sets of rotate through the torsional spring pivot between the touch panel and be connected with first buckle, the spacing knot of second is installed in the outside of first buckle, first spacing knot is installed to one side of first fixed plate.

As a further description of the above technical solution:

the cross sections of the first limiting buckle and the second limiting buckle are of semicircular structures, and the first limiting buckle and the second limiting buckle are buckled.

As a further description of the above technical solution:

the limiting plate is fixedly connected to the first copper bar through bolts, the top extending end of the limiting plate is of an L-shaped structure, the two groups of contact plates are rotatably connected with a second buckling plate through torsion spring rotating shafts, and the second buckling plate is fastened with the limiting plate.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, be the setting of U type structure through the static contact, the contact is fashionable, and the inboard of two sets of touch panels all is connected with the side end face of first fixed plate and second fixed plate, and the outside of two sets of touch panels is connected with the static contact inboard of U type structure, has increased the effective area of static contact, has improved the stability of low pressure isolator work.

2. The utility model discloses in, through the setting of the limiting plate on the first post insulator, when the touch panel need not with quiet contact block, the touch panel rotates clockwise for second buckle and limiting plate lock joint have guaranteed the stability of touch panel under the block state not, have improved the stability of low pressure isolator work.

Drawings

Fig. 1 shows a front view provided in accordance with an embodiment of the present invention;

figure 2 illustrates a side view of a second post insulator provided in accordance with an embodiment of the present invention;

fig. 3 shows a top view provided according to an embodiment of the present invention.

Illustration of the drawings:

1. a base; 2. a first post insulator; 3. a second post insulator; 4. a second copper bar; 5. static contact; 6. a first limit buckle; 7. a first copper bar; 8. a limiting plate; 9. a touch panel; 10. a first buckle plate; 11. a second limit buckle; 12. a first fixing plate; 13. a second buckle plate; 14. and a second fixing plate.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a low-voltage isolating switch, includes base 1, install first post insulator 2 and second post insulator 3 on the base 1, install first copper bar 7 and second copper bar 4 through the bolt respectively on first post insulator 2 and the second post insulator 3, install the static contact 5 that is U type structure on the second copper bar 4, the opening of static contact 5 makes progress, and the static contact 5 that is U type structure is parallel with first post insulator 2, rotate through the pivot on the first copper bar 7 and be connected with touch panel 9.

Specifically, as shown in fig. 3, two sets of contact plates 9 are provided, the two sets of contact plates 9 are connected by bolts, and a fixed gap is provided between the two sets of contact plates 9.

Specifically, as shown in fig. 1 to 3, a first fixing plate 12 and a second fixing plate 14 are respectively installed at front and rear horizontal ends of the static contact 5, two sets of contact plates 9 are clamped at two sides of the first fixing plate 12 and the second fixing plate 14, inner sides of the two sets of contact plates 9 are connected to side end faces of the first fixing plate 12 and the second fixing plate 14, outer sides of the two sets of contact plates 9 are connected to inner sides of the static contact 5 with a U-shaped structure, and an effective area of the static contact 5 is increased.

Specifically, as shown in fig. 1-3, a first buckle plate 10 is rotatably connected between two groups of touch plates 9 through a torsion spring rotating shaft, a second limit buckle 11 is installed on the outer side of the first buckle plate 10, and a first limit buckle 6 is installed on one side of a first fixing plate 12.

Specifically, as shown in fig. 1-3, the cross sections of the first limit buckle 6 and the second limit buckle 11 are semicircular, the first limit buckle 6 and the second limit buckle 11 are buckled, after the touch panel 9 is closed, the first buckle plate 10 rotates along the torsion spring rotating shaft, and after the clamping contact, the second limit buckle 11 of the first buckle plate 10 is located at the bottom of the first limit buckle 6, so that the stability of the clamping of the touch panel 9 is ensured.

Specifically, as shown in fig. 1 and 3, through bolt fixedly connected with limiting plate 8 on the first copper bar 7, the top of limiting plate 8 is extended and is held and be L type structure, rotates through the torsional spring pivot between two sets of touch panels 9 and is connected with second buckle 13, and second buckle 13 and limiting plate 8 lock joint, limiting plate 8's setting for touch panel 9 is under the non-block state, through the lock joint of second buckle 13 and limiting plate 8, realizes touch panel 9's stability.

The working principle is as follows: when the low-voltage isolating switch is used, the touch plates 9 are rotated, so that the two groups of touch plates 9 are clamped in the static contact 5, the inner sides of the two groups of touch plates 9 are connected with the side end faces of the first fixing plate 12 and the second fixing plate 14, the outer sides of the two groups of touch plates 9 are connected with the inner side of the static contact 5 of the U-shaped structure, the effective area of the static contact 5 is increased, meanwhile, the first buckle plate 10 rotates along the torsion spring rotating shaft, after the touch plates 9 are clamped and contacted, the second limiting buckle 11 of the first buckle plate 10 is located at the bottom of the first limiting buckle 6, the clamping stability of the touch plates 9 is guaranteed, when the touch plates 9 do not need to be clamped with the static contact 5, the touch plates 9 rotate clockwise, the second buckle plate 13 is buckled with the limiting plate 8, the stability of the touch plates 9 in a non-.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a low-voltage isolating switch, includes base (1), install first post insulator (2) and second post insulator (3) on base (1), its characterized in that, install first copper bar (7) and second copper bar (4) through the bolt respectively on first post insulator (2) and second post insulator (3), install static contact (5) that are U type structure on second copper bar (4), rotate through the pivot on first copper bar (7) and be connected with touch panel (9).

2. A low-voltage disconnector according to claim 1, characterized in that there are two sets of contact plates (9), and the two sets of contact plates (9) are connected by bolts.

3. The low-voltage isolating switch according to claim 1, wherein a first fixing plate (12) and a second fixing plate (14) are respectively installed at the front and rear horizontal ends of the static contact (5), and the two groups of contact plates (9) are clamped at two sides of the first fixing plate (12) and the second fixing plate (14).

4. The low-voltage isolating switch according to claim 3, wherein a first buckling plate (10) is rotatably connected between the two groups of touch plates (9) through a torsion spring rotating shaft, a second limit buckle (11) is installed on the outer side of the first buckling plate (10), and a first limit buckle (6) is installed on one side of the first fixing plate (12).

5. The low-voltage isolation switch according to claim 4, wherein the first limit buckle (6) and the second limit buckle (11) are semicircular in cross section, and the first limit buckle (6) and the second limit buckle (11) are buckled.

6. The low-voltage isolating switch according to claim 1, wherein the first copper bar (7) is fixedly connected with a limiting plate (8) through a bolt, the top extending end of the limiting plate (8) is of an L-shaped structure, a second buckling plate (13) is rotatably connected between the two groups of touch plates (9) through a torsion spring rotating shaft, and the second buckling plate (13) is buckled with the limiting plate (8).