CN218299690U

CN218299690U - Isolating reversing switch

Info

Publication number: CN218299690U
Application number: CN202221989062.6U
Authority: CN
Inventors: 朱恩; 禇姗姗
Original assignee: Henan Tonghang Electrical Equipment Manufacturing Co ltd
Current assignee: Henan Tonghang Electrical Equipment Manufacturing Co ltd
Priority date: 2022-07-30
Filing date: 2022-07-30
Publication date: 2023-01-13
Anticipated expiration: 2032-07-30

Abstract

The utility model provides an isolation reversing switch, which belongs to the technical field of reversing switches and comprises a rectangular shell, wherein the inner part of the shell is rotatably connected with a rotating shaft, the rotating shaft penetrates through the two ends of the shell, the outer part of the rotating shaft is fixedly connected with an insulating sleeve, the insulating sleeve is slidably connected with at least two insulating spacers and contact pieces, the insulating spacers and the contact pieces are alternately arranged, four groups of contacts are arranged on the shell, each contact piece is provided with a protruding part which is contacted with the four groups of contacts two by two through rotation, and a sunken part which is far away from the contacts is arranged between the two protruding parts; because the inner structure is comparatively simple to make the device be difficult for damaging when using, in addition if the device damages, through with the cap dismantle alright with can be to this switch and maintain, thereby make the device have not fragile while be more convenient for later stage maintenance's characteristics.

Description

Isolating reversing switch

Technical Field

The utility model belongs to the technical field of the reversing switch, concretely relates to keep apart reversing switch.

Background

The isolating phase-changing switch is suitable for mining high-voltage-class high-capacity explosion-proof electromagnetic starters with 50HZ underground coal mine alternating current, 1140V rated working voltage and 200A rated current, and is used for isolating a main circuit and changing the phase sequence of a power supply under the condition of no load. The isolating reversing switch is provided with a reliable auxiliary contact which moves ahead, so that the isolating reversing switch can be operated, connected, disconnected and phase-changed under the condition of no load under the general condition, and has certain disconnection capacity under the special condition (such as welding fault of a contact of a contactor).

Some existing isolating reversing switches are complex in structure and not easy to maintain in the later period.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an isolation reversing switch aims at solving among the prior art isolation reversing switch structure complicacy, the problem of the maintenance in difficult later stage.

In order to achieve the above object, the utility model provides a following technical scheme: an isolating reversing switch, comprising: the casing that is the rectangle form, the inside of casing is rotated and is connected with the pivot, the pivot runs through the both ends of casing, the outside fixedly connected with insulating cover of pivot, sliding connection is no less than two insulating spacers and contact on the insulating cover, insulating spacer and contact set up in turn, be provided with four group's contacts on the casing, the contact has the bellying through two liang of contacts of rotation and four group, two be provided with the depressed part that has the contact of keeping away from between the bellying, the one end of pivot is provided with and is used for supplementary pivot to rotate the spacing subassembly of forty-five degrees.

In order to make this kind of keep apart reversing switch have spacing effect, as the utility model relates to a preferred, spacing subassembly includes the regular octagon post of fixed connection in pivot one end, a side of casing rotates through the pivot and is connected with the limiting plate, be provided with the elastic component that the pulling limiting plate is close to the regular octagon post on the casing.

As an optimization of the present invention, the elastic member is an extension spring.

In order to make this kind of isolation reversing switch have the effect of protecting spacing subassembly, as the utility model relates to an it is preferred, the one end of casing is fixed to have the protective housing of protecting spacing subassembly through screw fixed mounting.

In order to make this kind of isolation commutator have the effect that is used for installing the contact, as the utility model relates to an it is preferred, be provided with on the insulating boot and be used for the gliding spout of contact, be provided with on the contact and can be at the inside gliding slider of spout.

In order to make this kind of keep apart change-over switch have and become the effect of dismantling the maintenance, as the utility model relates to a preferred, there is the cap opening part of casing through screw fixed mounting, cap and fixedly connected with cuboid are run through to the one end of pivot, the handle has been cup jointed on the cuboid.

In order to make this kind of keep apart commutator have the effect of installation contact, as the utility model relates to an it is preferred, four angle departments of casing are provided with a plurality of mounting grooves, the inside of mounting groove is provided with the mounting hole that is used for installing the contact, the one end fixedly connected with flexure strip of contact, the inside at the mounting hole is installed to the other end of contact.

In order to make this kind of keep apart reversing switch have the effect of the junction of protection contact and wire, conduct the utility model relates to an it is preferred, mounting groove department articulates there is the protective cover, the fender rod is kept away from and is passed through the buckle joint on the mounting groove with mounting groove articulated one side, offer the fluting that is used for the wire to pass through on the protective cover.

As an optimization of the utility model, the casing is located and is circular-arc between two mounting grooves.

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

this isolation change-over switch, because inner structure is comparatively simple to make the device be difficult for damaging when using, if in addition when the device damages, through with the cap dismantle alright with can be to this switch and maintain, thereby make the device have not fragile while the later stage of being convenient for maintain the characteristics.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is an exploded view of a first embodiment of the present invention;

fig. 2 is a schematic structural diagram of a first embodiment of the present invention;

fig. 3 is a cross-sectional view of the first embodiment of the present invention;

fig. 4 is an exploded view of the first embodiment of the present invention;

fig. 5 is a schematic structural view of a second embodiment of the present invention;

fig. 6 is a schematic structural view of a third embodiment of the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 201. a rectangular body; 3. an insulating sleeve; 4. an insulating spacer; 5. a contact plate; 501. a boss portion; 502. a recessed portion; 503. a slider; 6. a contact; 601. an elastic sheet; 7. a limiting component; 701. a regular octagonal column; 702. a limiting plate; 703. an elastic member; 8. a protective shell; 9. a shell cover; 10. a handle; 11. mounting grooves; 12. mounting holes; 13. a protective cover; 1301. and (4) slotting.

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.

As shown in fig. 1 and 4, a first embodiment of the present invention: an isolating reversing switch, comprising: be the casing 1 of rectangle form, the inside of casing 1 is rotated and is connected with pivot 2, pivot 2 runs through the both ends of casing 1, the outside fixedly connected with insulating cover 3 of pivot 2, sliding connection is no less than two insulating spacers 4 and contact 5 on the insulating cover 3, insulating spacers 4 and contact 5 set up in turn, be provided with four groups of contacts 6 on the casing 1, contact 5 has the bellying 501 through rotating and the two liang of contacts of four groups of contacts 6, be provided with the depressed part 502 that has the contact 6 of keeping away from between two bellyings 501, the one end of pivot 2 is provided with and is used for supplementary pivot 2 to rotate spacing subassembly 7 of forty-five degrees.

The utility model discloses an in the embodiment, can drive insulating cover 3 through rotating pivot 2 and rotate, can drive contact 5 through insulating cover 3 and rotate, can make pivot 5 rotate forty-five degrees at every turn through setting up 7, when pivot 5 rotates forty-five degrees, contact 6 can be located depressed part 502 with bellying 501 contact or contact 6 and not contact with bellying 501, alternate operation, thereby the function of isolation switching-over has been realized, through sliding contact 5 and spacer 4 on insulating cover 3, thereby can maintain the device's inner structure dismantlement, make the device be more convenient for the maintenance in later stage, what need explain wherein insulating cover 3 and spacer 4 are insulating material, can be for pottery, materials such as insulating plastic.

Specifically, limiting component 7 includes regular octagon post 701 of fixed connection in 2 one ends of pivot, and a side of casing 1 rotates through the pivot to be connected with limiting plate 702, is provided with the elastic component 703 that pulling limiting plate 702 is close to regular octagon post 701 on the casing 1, through setting up regular octagon post 701, and make limiting plate 702 pass through elastic component 703 and be close to regular octagon post 701, can make the supplementary pivot 2 of limiting plate 702 rotate forty-five degrees, thereby can avoid 2 pivoted angles of pivot too big or undersize messenger contact 5 and contact 6 contact failure.

Preferably, the elastic member 703 is an extension spring, and it should be noted that the elastic member 703 may be an elastic material such as an elastic rope spring piece that can pull the limiting plate 702 close to the regular octagonal column 701.

Further, the one end of casing 1 is fixed and has the protective housing 8 that carries out the protection to spacing subassembly 7 through screw fixed mounting, sets up protective housing 8 through one side at casing 1 to can protect spacing subassembly 7, avoid spacing subassembly 7 because of colliding with the damage, can make protective housing 8 dismantle through the screw in addition, conveniently maintain spacing subassembly 7.

Further, as shown in fig. 4, the insulating sheath 3 is provided with a slide groove 301 for sliding the contact 5, the contact 5 is provided with a slider 503 slidable in the slide groove 301, the insulating sheath 3 is provided with the slide groove 301, and the contact 5 is provided with the slider 503, so that the contact 5 slides on the insulating sheath 3 and the contact 5 is prevented from coming off by the action of the slide groove 301 and the slider 503.

Further, as shown in fig. 1 and 4, a case cover 9 is fixedly mounted at an opening of the casing 1 through screws, one end of the rotating shaft 2 penetrates through the case cover 9 and is fixedly connected with the rectangular body 201, a handle 10 is sleeved on the rectangular body 201, sealing of the casing 1 is achieved by arranging the case cover 9 on the casing 1, the rotating shaft 2 penetrates through the case cover 9, the handle 10 is arranged at one end of the rotating shaft 2, the handle 10 is rotated, the handle 10 drives the rectangular body 201 to rotate, and the rotating shaft 2 can be driven to rotate.

Further, as shown in fig. 1, a plurality of mounting grooves 11 are provided at four corners of the housing 1, a mounting hole 12 for mounting the contact 6 is provided inside the mounting groove 11, one end of the contact 6 is fixedly connected with an elastic piece 601, the other end of the contact 6 is mounted inside the mounting hole 12, by mounting one end of the nose 6 on the mounting hole 12, the elastic piece 601 is located inside the housing 1, the elastic piece 601 can contact when the contact piece 5 moves, and in addition, the contact 6 and the elastic piece 601 are made of conductive materials.

As shown in fig. 5, the second embodiment of the present invention, the mounting groove 11 is hinged with a protective cover 13, the protective cover 13 is far away from one side hinged to the mounting groove 11 and is connected to the mounting groove 11 through a buckle, a slot 1301 for passing the wire is provided on the protective cover 13, the protective cover 13 can protect the connection between the wire and the contact 6 by being set at the mounting groove 11, the short circuit caused by rainwater at the connection can be prevented, the slot 1301 can be used for passing the wire, the protective cover 13 can be fixed by setting the buckle, the protective cover 13 is prevented from being opened, in addition, the buckle can be changed into a mode for preventing the protective cover 13 from being opened, such as pin connection or buckle, and is not limited to one type of buckle.

As shown in fig. 6, according to the third embodiment of the present invention, the housing 1 is located between the two mounting grooves 11 and is arc-shaped, when the housing 1 is arc-shaped, the volume inside the housing 1 can be increased, and the area of the housing contacting with air can be increased, so that the housing has a certain heat dissipation capability.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An isolating reversing switch, comprising: be casing (1) of rectangle form, the inside of casing (1) is rotated and is connected with pivot (2), pivot (2) run through the both ends of casing (1), the insulating cover of outside fixedly connected with (3) of pivot (2), sliding connection is no less than two insulating spacers (4) and contact (5) on insulating cover (3), insulating spacers (4) and contact (5) set up in turn, be provided with four groups of contacts (6) on casing (1), contact (5) have through rotating with boss (501) of two liang of contacts (6) contacts of four groups, two be provided with between boss (501) and have recess (502) of keeping away from contact (6), the one end of pivot (2) is provided with and is used for supplementary pivot (2) to rotate spacing subassembly (7) of forty-five degrees.

2. An isolating commutating switch of claim 1 wherein: spacing subassembly (7) include regular octagon post (701) of fixed connection in pivot (2) one end, a side of casing (1) is rotated through the pivot and is connected with limiting plate (702), be provided with elastic component (703) that pulling limiting plate (702) are close to regular octagon post (701) on casing (1).

3. An isolating and commutating switch according to claim 2, characterized in that: the elastic piece (703) is an extension spring.

4. An isolating and commutating switch according to claim 1, characterized in that: and one end of the shell (1) is fixedly provided with a protective shell (8) which is used for protecting the limiting assembly (7) through fixing screws.

5. An isolating and commutating switch according to claim 1, characterized in that: the insulating sleeve (3) is provided with a sliding groove (301) for sliding the contact piece (5), and the contact piece (5) is provided with a sliding block (503) capable of sliding in the sliding groove (301).

6. An isolating commutating switch of claim 1 wherein: the opening of casing (1) has cap (9) through screw fixed mounting, the one end of pivot (2) runs through cap (9) and fixedly connected with cuboid (201), cup joint handle (10) on cuboid (201).

7. An isolating and commutating switch according to any one of claims 1-6, characterized in that: four corners department of casing (1) is provided with a plurality of mounting grooves (11), the inside of mounting groove (11) is provided with mounting hole (12) that are used for installing contact (6), the one end fixedly connected with flexure strip (601) of contact (6), the inside at mounting hole (12) is installed to the other end of contact (6).

8. An isolating and commutating switch according to claim 7, characterized in that: mounting groove (11) department articulates there is protective cover (13), protective cover (13) keep away from with mounting groove (11) articulated one side through the buckle joint on mounting groove (11), offer fluting (1301) that are used for the wire to pass through on protective cover (13).

9. An isolating and commutating switch according to claim 7, characterized in that: the shell (1) is positioned between the two mounting grooves (11) and is arc-shaped.