CN220672458U

CN220672458U - Novel isolating switch

Info

Publication number: CN220672458U
Application number: CN202321878070.8U
Authority: CN
Inventors: 李长庚; 眭晓泉; 周晓光; 肖明; 刘创; 余飞; 殷小利
Original assignee: Jiangsu Anhong Electric Co ltd
Current assignee: Jiangsu Anhong Electric Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2024-03-26
Anticipated expiration: 2033-07-18

Abstract

The utility model discloses a novel isolating switch, which comprises a base, wherein grooves are formed in two ends of the base, an inlet end outgoing line and an outlet end outgoing line are positioned in the grooves of the base, and the novel isolating switch further comprises a movable conducting plate, a moving mechanism and an operating mechanism, wherein the movable conducting plate is connected with the moving mechanism, and the operating mechanism is operated to drive the moving mechanism to drive the movable conducting plate to move up and down to realize the connection or disconnection of the isolating switch. The isolating switch is provided with the movable conducting plate in the middle, and can be directly provided with the leading-out wires at the inlet end and the outlet end of a user respectively at the lower end of the isolating switch during installation and use, so that the isolating switch is simpler and more convenient to install.

Description

Novel isolating switch

Technical Field

The utility model relates to the technical field of isolating switch equipment, in particular to a novel isolating switch.

Background

The isolating switch provides a manual mechanical switch with an insulation distance according to the specified requirement at the opening position, and plays a role in isolating a power supply. The normal working state is as follows: the circuit is opened or closed in the no-load state, the rated current can be borne for a long time in the closed state, the overload current can be borne for a short time, and the prior isolating switch has the following defects:

the current isolating switch is connected in a sliding contact mode of a contact knife, so that the whole circuit has more conductive connecting surfaces and small contact area, and the requirement of bearing larger current cannot be met. And the size is bigger, and is more complicated in installation and low in installation efficiency.

For this reason, we propose a novel isolating switch for solving the above problems.

Disclosure of Invention

The utility model aims to: the utility model aims to solve the defects in the prior art and provides various novel isolating switches.

The technical scheme is as follows: the novel isolating switch comprises a base, wherein grooves are formed in two ends of the base, an inlet end outgoing line and an outlet end outgoing line are positioned in the grooves of the base, and the novel isolating switch further comprises a movable conducting plate, a moving mechanism and an operating mechanism, wherein the movable conducting plate is connected with the moving mechanism, and the operating mechanism is operated to drive the moving mechanism to drive the movable conducting plate to move up and down to realize connection or disconnection of the isolating switch:

when the isolation is closed, the moving mechanism drives the movable conducting plate to move towards the directions of the inlet end outgoing line and the outlet end outgoing line through the operating mechanism until the movable conducting plate is in full contact with the inlet end outgoing line and the outlet end outgoing line, and the inlet end outgoing line and the outlet end outgoing line are conducted;

when the isolating switch is disconnected, the operating mechanism enables the moving mechanism to drive the movable conducting plate to move in the opposite direction, the movable conducting plate is separated from the inlet outgoing line and the outlet outgoing line, and the inlet outgoing line and the outlet outgoing line are disconnected.

In some embodiments, when the isolating switch is turned off, the movable conductive plate is in a disconnected state with the lower end inlet lead-out wire and the lower end outlet lead-out wire, and two disconnection points can be generated between the inlet lead-out wire and the outlet lead-out wire.

In some embodiments, the movable conductive plate forms a large area of surface-to-surface contact with the middle of the inlet and outlet leads when the separator is closed.

The beneficial effects are that: the beneficial effects of the utility model are as follows:

(1) The isolating switch is provided with the movable conducting plate in the middle, and the lower end of the isolating switch can be directly provided with the leading-out wires of the inlet end and the outlet end of a user respectively when in installation and use, so that the isolating switch is simpler and more convenient to install;

(2) When the isolating switch is closed, the transmission mechanism drives the middle movable conducting plate to move downwards, so that the middle movable conducting plate is in large-area surface-to-surface contact with the two leading-out wires at the lower end, and the conducting performance of the connection is better;

(3) When the isolating switch is disconnected, the movable conducting plate is reset upwards under the action of the transmission mechanism, so that two disconnection points are generated between the movable conducting plate and the outgoing lines at the lower end of the movable conducting plate, and the isolating safety is higher.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present utility model;

FIG. 2 is a cross-sectional view of the structure of FIG. 1;

fig. 3 is a schematic structural view of another embodiment of the present utility model.

Description of the embodiments

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "inner", "outer", etc. are the directions or positional relationships shown, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The utility model discloses a novel isolating switch, which comprises a base, wherein grooves are formed in two ends of the base, an inlet end outgoing line and an outlet end outgoing line are positioned in the grooves of the base, and the novel isolating switch further comprises a movable conducting plate, a moving mechanism and an operating mechanism, wherein the movable conducting plate is connected with the moving mechanism, and the operating mechanism is operated to drive the moving mechanism to drive the movable conducting plate to move up and down to realize the connection or disconnection of the isolating switch:

Examples

As shown in fig. 1 and 2, the utility model provides a novel isolating switch, which comprises a base 2, wherein grooves are arranged at two ends of the base 2 and are used for directly fixing an inlet outgoing line 6 and an outlet outgoing line 7 in the grooves of the base 2, the inlet outgoing line 6 and the outlet outgoing line 7 are positioned on the same plane, shaft holes 11 are arranged at two sides of the upper end of the base, and a rotating shaft 11 is arranged in the shaft holes at two sides of a rotating arm 3 to enable the rotating arm to be arranged on the base 2. In this embodiment, the operating mechanism includes an operating handle 1 and a swivel arm 3.

The rotating arm 3 is also provided with a straight line section and a convex cambered surface section which rotate together with the rotating arm. Four grooves for placing the return springs 10 are further formed in the middle of the base 2, and the pressing plate 4 is placed on the four return springs 10, so that the protruding cambered surface on the rotating arm 3 is in contact with the upper surface of the pressing plate 4. The movable conducting plate 5 is arranged below the pressing plate 4, four limiting studs 12 are arranged on the movable conducting plate 5, the movable conducting plate 5 can be suspended below the pressing plate 4, and four groups of elastic components 9 are arranged between the pressing plate 4 and the movable conducting plate 5. The movement mechanism comprises the pressing plate 4, the limit stud 12 and the elastic component 9.

When the isolation is closed, the operating handle 1 swings from left to right, the cambered surface of the rotating arm 3 is driven to overcome the friction force with the pressing plate to push the pressing plate 4, the pressing plate 4 overcomes the counterforce of the reset spring 10 to enable the movable conducting plate 5 to move vertically to the inlet and outlet end outgoing lines at the lower end, after the movable conducting plate 5 is contacted with the inlet and outlet end outgoing lines 6 and 7, the rotating arm 3 continues to rotate, and the pressing plate 4 moves downwards to compress four groups of elastic components 9, so that the contact surface of the movable conducting plate and the static conducting plate always keeps a certain contact pressure until the rotating arm 3 rotates to the closed position, and large-area surface-to-surface contact between the movable conducting plate and the static conducting plate is realized.

When the isolating switch is disconnected, the operating handle 1 swings from right to left to drive the rotating arm 3 to rotate, the pressing plate 4 and the movable conducting plate 5 are reset upwards under the action of the reset spring until the rotating arm 3 completely rotates in place, so that the movable conducting plate 5 of the isolating switch is always kept in a disconnected state with the leading-out wires at the inlet end and the outlet end, and two disconnection points are formed between the leading-out wires 6 and 7 at the inlet end and the outlet end, and the isolating safety is higher.

Examples

This embodiment is based on the previous embodiment. The side of the movable conducting plate 5 is provided with a guide wheel 8, and the guide wheel 8 is positioned through oblong holes on two sides of the base 2, so that the movable conducting plate 5 and the pressing plate 4 keep vertical up-and-down movement. The movable conductive plate 5 of the isolating switch can also adopt other positioning mechanisms to achieve the purpose of moving in the up-down direction, such as a way of arranging a guide rail and the like.

Examples

Referring to fig. 3, the operating mechanism includes a T-shaped operating handle 1. The novel isolation base 2 upper end is equipped with the screw hole, and the operating handle 1 lower extreme of T type is the screw rod, screw in base 2 screw in threaded hole, and terminal surface and clamp plate 4's upper surface contact under the screw rod, when isolator closed, T type operating handle 1 clockwise rotation promotes clamp plate 4 and makes the below move the leading-out wire of leading-in and out of conducting plate 5 to the lower extreme and remove, until the complete contact closure is accomplished. When the isolating switch is disconnected, the T-shaped operating handle 1 rotates anticlockwise, the pressing plate 4 and the movable conducting plate 5 reset upwards under the action of the reset spring, so that the movable conducting plate 5 is separated from the leading-out wires 6 and 7 at the inlet end and the outlet end until the movable conducting plate is completely reset and disconnected. The leading-out wires 6 and 7 are respectively provided with a round hole, the leading-out wires 6 and 7 are fixed in the grooves of the base 2 by bolts, so that the leading-out wires 6 and 7 are positioned on the same plane, and the leading-out wires can reliably contact with the movable conducting plate 5 when being closed.

The leading-in and leading-out wires of the isolating switch can be preferentially and directly installed with the leading-out wires of a user, so that redundant installation conductive connection surfaces can be reduced, and the problem of large loop resistance is avoided. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.

The present utility model is not limited to the above-mentioned embodiments, but is intended to be limited to the following embodiments, and any modifications, equivalents and modifications can be made to the above-mentioned embodiments without departing from the scope of the utility model.

Claims

1. The utility model provides a novel isolator, includes the base, the base both ends are equipped with the recess, advance end lead-out wire, go out the end lead-out wire and be located in the recess of base, its characterized in that: the movable conducting plate is connected with the moving mechanism, and the operating mechanism is operated to drive the moving mechanism to drive the movable conducting plate to move up and down to realize the connection or disconnection of the isolating switch:

2. The novel isolating switch as in claim 1, further comprising: when the isolating switch is disconnected, the movable conducting plate is in a disconnection state with the lower end inlet outgoing line and the lower end outlet outgoing line, and two disconnection points can be generated between the inlet outgoing line and the outlet outgoing line.

3. The novel isolating switch as in claim 1, further comprising: when the isolation is closed, the movable conducting plate is contacted with the middle of the inlet end outgoing line and the outlet end outgoing line in a large-area surface-to-surface manner.