CN212783202U

CN212783202U - Semi-closed conductive loop isolating switch

Info

Publication number: CN212783202U
Application number: CN202021857269.9U
Authority: CN
Inventors: 孙铁彦; 孙伯宁
Original assignee: Hebei Long Hiro Electrical Equipment Co ltd
Current assignee: Hebei Long Hiro Electrical Equipment Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-03-23
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to an isolator technical field just discloses a semi-closed conductive loop isolator, the on-line screen storage device comprises a base, the upper surface symmetry of base is equipped with two post insulators, two post insulators are fixed in the upper surface fixed connection of base, two through first fixed screw respectively post insulator's upper end is fixed respectively and is equipped with the metal enclosed box, two the inside of metal enclosed box is equipped with respectively through the second fixed screw is fixed and touches finger and binding post, two it is fixed elastic mounting, two to touch the front side of finger respectively the symmetry fixed elastic mounting that is equipped with, two binding post one end on the back of the body runs through corresponding metal enclosed box respectively and outwards extends, left and right two binding post's upper surface is equipped with coupling mechanism and couple mounting through the third fixed screw respectively. The utility model discloses a to the protection of conducting part, effectual reduction reduces the potential safety hazard in the use.

Description

Semi-closed conductive loop isolating switch

Technical Field

The utility model relates to an isolator technical field especially relates to a semi-closed conductive loop isolator.

Background

The isolating switch is a switching device which is mainly used for isolating a power supply and switching operation and is used for connecting and cutting off a small current circuit and has no arc extinguishing function, and when the isolating switch is in a separated position, an insulation distance meeting the specified requirement and an obvious disconnection mark are arranged between contacts; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions for a specified time when in the closed position.

The existing isolating switch conductive part is exposed in an outdoor environment for a long time, is exposed in the wind, is exposed in the sun and rain, and is corroded and oxidized in a severe environment, so that the problem that the switch conductive contact point is poor in contact is easily caused, and the switch-on point and the static contact of the switch are only provided with one contact point, so that potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the conductive part of the switch is exposed for a long time in the prior art, in case of corrosion and oxidation, the conductive contact point of the switch is easy to be in poor contact, and the potential safety hazard exists, and the semi-closed conductive loop isolating switch is provided.

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

the utility model provides a semi-closed conductive loop isolator, includes the base, the upper surface symmetry of base is equipped with two post insulators, two the upper surface fixed connection of base, two through first fixed screw fixation respectively are passed through to post insulator's upper end is fixed respectively and is equipped with the metal enclosed box, two the inside of metal enclosed box is equipped with respectively through the fixed contact finger and the binding post of second fixed screw fixation, two the front side of touching the finger is the fixed elastic fixing spare that is equipped with of symmetry respectively, two binding post is mutually the one end of following mutually the back of the body and runs through corresponding metal enclosed box respectively and outwards extend, left and right two binding post's upper surface is equipped with coupling mechanism and couple mounting through the fixed third fixed screw fixation respectively, coupling mechanism's right-hand member fixedly connected with locking mechanism.

Preferably, the connecting mechanism comprises a first supporting piece, a rotary support and two moving contacts, the first supporting piece is fixedly arranged on the upper surface of the wiring terminal on the left side, the rotary support is rotatably arranged at the upper end of the first supporting piece through a shaft pin, the two moving contacts are electrically connected through a conductive arm, and the moving contact on the left side is fixedly connected with the right end of the rotary support.

Preferably, the locking mechanism comprises a second supporting piece and a locking hook, the second supporting piece is fixedly arranged on the right side of the upper surface of the moving contact, and the locking hook is fixedly arranged at the right end of the second supporting piece and matched with the hook fixing piece.

Preferably, the upper surfaces of the two moving contacts are respectively and fixedly provided with a sealing silica gel layer.

Preferably, a pull ring is fixedly arranged on the upper surface of the right end of the first supporting piece.

Preferably, the two moving contacts are respectively matched with the corresponding metal sealing boxes.

Compared with the prior art, the utility model provides a semi-closed conductive loop isolator possesses following beneficial effect:

1. this semi-closed conductive circuit isolator through set up in the sealed silica gel layer of two movable contact electricity upper surfaces, can realize the protection to two movable contacts, the effectual potential safety hazard that has reduced existence in the use.

2. This semi-closed conductive loop isolator sets up in two movable contacts through exposing, can remain this isolator's normal heat dissipation function in the use, avoids the high temperature to influence normal use.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a to conductive part's protection, effectual reduction reduces the potential safety hazard in the use.

Drawings

Fig. 1 is a schematic structural view of an open state of a semi-closed conductive loop disconnecting switch according to the present invention;

fig. 2 is a schematic diagram of a switching-on state structure of a semi-closed conductive loop disconnecting switch provided by the present invention;

fig. 3 is a schematic view of the bottom of the upper conductor of fig. 1.

In the figure: the device comprises a base 1, a post insulator 2, a first fixing screw 3, a metal sealed box 4, a second fixing screw 5, a contact finger 6, a wiring terminal 7, an elastic fixing element 8, a first supporting element 9, a rotary support 10, a movable contact 11, a shaft pin 12, a conductive arm 13, a second supporting element 14, a latch hook 15, a latch hook fixing element 16, a sealing silica gel layer 17, a pull ring 18 and a third fixing screw 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, a semi-closed conductive loop isolating switch comprises a base 1, two post insulators 2 are symmetrically arranged on the upper surface of the base 1, the two post insulators 2 are respectively fixed to the upper surface of the base 1 through first fixing screws 3 and connected, metal sealing boxes 4 are respectively fixed to the upper ends of the two post insulators 2, the interiors of the two metal sealing boxes 4 are respectively and fixedly provided with contact fingers 6 and connecting terminals 7 through second fixing screws 5, elastic fixing parts 8 are respectively and symmetrically fixed to the front sides of the two contact fingers 6, the opposite ends of the two connecting terminals 7 respectively penetrate through the corresponding metal sealing boxes 4 and extend outwards, connecting mechanisms and hook fixing parts 16 are respectively and fixedly arranged on the upper surfaces of the left and right connecting terminals 7 through third fixing screws 19, and locking mechanisms are fixedly connected to the right ends of the connecting mechanisms.

The connecting mechanism comprises a first supporting piece 9, a rotating support 10 and two moving contacts 11, the first supporting piece 9 is fixedly arranged on the upper surface of the connecting terminal 7 on the left side, the rotating support 10 is rotatably arranged at the upper end of the first supporting piece 9 through a shaft pin 12, the two moving contacts 11 are electrically connected through a conductive arm 13, and the moving contact 11 on the left side is fixedly connected with the right end of the rotating support 10.

The locking mechanism comprises a second supporting piece 14 and a locking hook 15, the second supporting piece 14 is fixedly arranged on the upper surface of the right moving contact 11, and the locking hook 15 is fixedly arranged at the right end of the second supporting piece 14 and matched with the hook fixing piece 16, so that the second supporting piece 14 can be conveniently clamped.

The upper surfaces of the two moving contacts 11 are respectively and fixedly provided with a sealing silica gel layer 17, so that the two moving contacts can be conveniently protected in a sealing way, and long-term exposed corrosion damage can be avoided.

A pull ring 18 is fixedly arranged on the upper surface of the right end of the first support 9, so that the first support 9 can be pulled conveniently through the pull ring 18.

The two moving contacts 11 are respectively matched with the corresponding metal sealing boxes 4, so that the two moving contacts can be fixedly clamped.

In the utility model, a bowl-shaped metal sealing box 4 is additionally arranged above two support porcelain bottles, a connecting terminal 7 is inserted into the metal sealing box 4, two pairs of contact fingers 6 are arranged on the connecting terminal 7 of the inserted metal sealing box 4, and the metal sealing box 4 and the connecting terminal 7 are fixed on a support insulator 2 through a second fixing screw 5; the upper conductive part is correspondingly provided with two moving contacts 11 for closing, the upper conductive part is fixed above a pillar insulator 2 through a rotary support 10, the other end of the upper conductive part is not fixed, opening and closing are realized through rotation of the fixed end, two closing points of the upper conductive part are wrapped by a sealing silica gel layer 17, the upper conductive part is tightly buckled and pressed on a bowl-shaped metal sealing box 4 during closing, closing of a closing part is realized, one end of the upper conductive part, which is not fixed, is provided with a locking hook 15, the locking hook 15 is pulled during opening to unlock, self-locking is realized after closing, the wrapped sealing silica gel layer 17 is of a concave-convex structure at the conductive bottom, the size of the concave part is consistent with that of the metal sealing box 4 mounted on the pillar insulator 2, sealing of a contact part is formed during closing, the conductive wall is exposed in the air, and.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A semi-closed conductive loop isolating switch comprises a base (1) and is characterized in that two post insulators (2) are symmetrically arranged on the upper surface of the base (1), the two post insulators (2) are respectively fixed on the upper surface of the base (1) through first fixing screws (3) and fixedly connected, metal sealing boxes (4) are respectively fixedly arranged at the upper ends of the two post insulators (2), contact fingers (6) and connecting terminals (7) are respectively fixedly arranged inside the two metal sealing boxes (4) through second fixing screws (5), elastic fixing parts (8) are respectively and symmetrically fixedly arranged on the front sides of the two contact fingers (6), one ends, back to back, of the two connecting terminals (7) respectively penetrate through the corresponding metal sealing boxes (4) and extend outwards, connecting mechanisms and hook fixing parts (16) are respectively and fixedly arranged on the upper surfaces of the left connecting terminals (7) and the right connecting terminals (7) through third fixing screws (19), and the right end of the connecting mechanism is fixedly connected with a locking mechanism.

2. The isolating switch of the semi-closed conductive loop of claim 1, wherein the connecting mechanism comprises a first supporting member (9), a rotating support (10) and two moving contacts (11), the first supporting member (9) is fixedly arranged on the upper surface of the connecting terminal (7) on the left side, the rotating support (10) is rotatably arranged at the upper end of the first supporting member (9) through a shaft pin (12), the two moving contacts (11) are electrically connected through a conductive arm (13), and the moving contact (11) on the left side is fixedly connected with the right end of the rotating support (10).

3. The semi-closed conductive loop disconnector according to claim 2, wherein the locking mechanism comprises a second supporting member (14) and a latch hook (15), the second supporting member (14) is fixedly disposed on the upper surface of the movable contact (11) on the right side, and the latch hook (15) is fixedly disposed at the right end of the second supporting member (14) and is matched with the hook fixing member (16).

4. The isolating switch of semi-closed conductive loop as claimed in claim 2, wherein the upper surfaces of the two moving contacts (11) are respectively and fixedly provided with a sealing silica gel layer (17).

5. Semi-closed conductive loop disconnector according to claim 2, characterized in that a pull ring (18) is fixed on the upper surface of the right end of the first support (9).

6. A semi-closed conductive circuit disconnector according to claim 2, characterized in that said two moving contacts (11) are respectively associated with respective metallic enclosures (4).