CN223450748U

CN223450748U - Dustproof device of universal change-over switch

Info

Publication number: CN223450748U
Application number: CN202422345643.1U
Authority: CN
Inventors: 李元杰; 龚鹏程
Original assignee: Hubei Zhirun Electromechanical Manufacturing Co ltd
Current assignee: Hubei Zhirun Electromechanical Manufacturing Co ltd
Priority date: 2024-09-25
Filing date: 2024-09-25
Publication date: 2025-10-17
Anticipated expiration: 2034-09-25

Abstract

The utility model relates to the field of universal change-over switches and discloses a dustproof device of a universal change-over switch, which comprises a universal change-over switch, wherein a dustproof mechanism is arranged on the universal change-over switch, the dustproof mechanism comprises a cover plate, a back shell, a dustproof shell I, a rotating shaft, a connecting piece, a dustproof shell II and a limiting unit, the cover plate is fixedly sleeved on the outer side of the universal change-over switch, the cover plate is fixedly connected with the back shell through a screw, one side surface of the dustproof shell is fixedly connected with the cover plate, the rotating shaft is rotatably arranged on the dustproof shell I, the connecting piece is fixedly connected with the rotating shaft, the dustproof shell II is fixedly connected with the connecting piece, and the dustproof shell II is in sealing contact with the dustproof shell I. The utility model has the advantages and effects of being capable of well carrying out dust-proof treatment on the universal change-over switch, having good dust-proof effect and being convenient for the use of the universal change-over switch.

Description

Dustproof device of universal change-over switch

Technical Field

The utility model relates to the technical field of universal change-over switches, in particular to a dust-proof device of a universal change-over switch.

Background

The universal change-over switch is mainly applicable to the electric lines from the rated current to 160A in the alternating current of 50Hz, the rated working voltage of 380V or below and the direct current of 220V or below, and the universal change-over switch is mainly used for the change-over of various control lines, the change-over measurement control of voltmeters and ampere meters, the change-over and remote control of the lines of a distribution device and the like. The universal change-over switch can also be used to directly control the starting, speed regulation and commutation of a small capacity motor.

In the prior art, in the production field of iron and steel enterprises, especially in the production field of ironmaking workshops, a large amount of dust is inevitably caused in the production in the workshops, dust is easily introduced into the universal change-over switch, so that the rotating parts are blocked, and therefore, a dust-proof device of the universal change-over switch needs to be designed for solving the problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person of ordinary skill in the art.

Disclosure of utility model

The utility model aims to provide a dustproof device of a universal change-over switch, so as to solve the problems.

The technical aim of the utility model is realized by the following technical scheme that the dustproof device of the universal change-over switch comprises:

the universal change-over switch is provided with a dustproof mechanism;

The dustproof mechanism comprises a cover plate, a back shell, a first dustproof shell, a rotating shaft, a connecting piece, a second dustproof shell and a limiting unit, wherein the cover plate is fixedly sleeved on the outer side of the universal change-over switch, the cover plate is fixedly connected with the back shell through a screw, one side surface of the dustproof shell is fixedly connected with the cover plate, the rotating shaft is rotatably arranged on the first dustproof shell, the connecting piece is fixedly connected with the rotating shaft, the second dustproof shell is fixedly connected with the connecting piece, and the second dustproof shell is in sealing contact with the first dustproof shell.

The utility model further provides that the limiting unit comprises an arc-shaped bottom plate, a limiting block, a connecting plate, a transverse plate, a rotating rod and a locking screw block, wherein the arc-shaped bottom plate is fixedly arranged on the side face of the cover plate, a sliding groove is formed in the top of the arc-shaped bottom plate, the limiting block is slidably arranged in the sliding groove, the connecting plate is fixedly arranged between the limiting block and the transverse plate, a limiting groove is formed in the second dustproof shell, the limiting block is clamped with the limiting groove, the rotating rod is rotatably arranged on the transverse plate, the top end of the rotating rod is fixedly connected with the locking screw block, a locking screw groove is formed in the arc-shaped bottom plate, and the locking screw block is in threaded connection with the locking screw groove.

The utility model is further arranged that the arc-shaped bottom plate is contacted with the dustproof shell in two phases.

By adopting the technical scheme, the position of the arc-shaped bottom plate is limited.

The dustproof shell is further provided with the first sealing gasket in an embedded mode, and the first sealing gasket is in sealing contact with the first dustproof shell.

The dustproof cover plate is further provided with a second sealing gasket embedded at the rear end of the second dustproof shell, and the second sealing gasket is in sealing contact with the cover plate.

By adopting the technical scheme, the tightness between the second dustproof shell and the cover plate is ensured.

The utility model further provides that a transparent observation plate is arranged on the first dustproof shell.

Through adopting above-mentioned technical scheme, conveniently look over when controlling omnipotent change over switch through transparent observation board.

The utility model is further provided with a vertical hole at the bottom of the chute, and the connecting plate is slidably arranged in the vertical hole.

The utility model is further arranged that the transparent observation plate is positioned above the rotating shaft.

The beneficial effects of the utility model are as follows:

1. According to the utility model, through the dustproof mechanism, the dustproof shell I and the dustproof shell II are matched through the matching of the back shell and the cover plate, so that the universal change-over switch can be well dustproof, and the dustproof effect is good;

2. According to the utility model, the rotating shaft is rotated through the dustproof mechanism, so that the dustproof shell II moves into the dustproof shell I, and then the hand extends into the dustproof shell II to control the universal change-over switch, so that the dustproof switch is more convenient to use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 and fig. 2 are schematic perspective views of a dust-proof device of a universal switch according to the present utility model.

FIG. 3 is a schematic cross-sectional view of a dust-proof device of a universal switch according to the present utility model.

Fig. 4 is a schematic side view of a connection portion between a cover plate and a back shell in a dustproof device of a universal conversion switch according to the present utility model.

Fig. 5 is a schematic diagram of a portion a in fig. 3.

In the figure, 1, a universal change-over switch; 2, a cover plate, 3, a back shell, 4, a first dustproof shell, 5, a rotating shaft, 6, a connecting piece, 7, a second dustproof shell, 8, an arc-shaped bottom plate, 9, a sliding chute, 10, a limiting block, 11, a limiting groove, 12, a connecting plate, 13, a transverse plate, 14, a rotating rod, 15, a locking screw block and 16, and a transparent observation plate.

Detailed Description

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, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, or communicating between two members, and it will be understood that the specific meaning of the terms in the present utility model will be understood by those skilled in the art.

The technical scheme of the present utility model will be clearly and completely described in connection with specific embodiments. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. 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 fall within the scope of the utility model.

Referring to fig. 1, 2, 3, 4 and 5, the present utility model provides a dust-proof device of a universal switch, including:

The universal change-over switch 1, the universal change-over switch 1 is provided with a dustproof mechanism, and the dustproof mechanism is used for dustproof treatment of the universal change-over switch 1;

The dustproof mechanism comprises a cover plate 2, a back shell 3, a first dustproof shell 4, a rotating shaft 5, a connecting piece 6, a second dustproof shell 7 and a limiting unit, wherein the cover plate 2 is fixedly sleeved on the outer side of the universal change-over switch 1, the cover plate 2 is fixedly connected with the back shell 3 through screws, the side surface of the first dustproof shell 4 is fixedly connected with the cover plate 2, the rotating shaft 5 is rotatably arranged on the first dustproof shell 4, the connecting piece 6 is fixedly connected with the rotating shaft 5, the second dustproof shell 7 is fixedly connected with the connecting piece 6, and the second dustproof shell 7 is in sealing contact with the first dustproof shell 4.

Through the dustproof mechanism, the back shell 3 can be installed at the appointed place, the rear side of the back shell 3 is provided with the opening, the back shell 3 can be installed in the equipment installation hole or the wall installation hole, then the cover plate 2 is fixed on the back shell 3 through the screw, the cover plate 2 can be used for plugging the back shell 3, meanwhile, the equipment installation hole or the wall installation hole can be plugged, dust can be prevented from entering, a certain dustproof effect is achieved, the first dustproof shell 4 and the second dustproof shell 7 can be used for conducting dustproof treatment on the outer side part of the universal change-over switch 1, when the universal change-over switch 1 is needed to be used, the rotating shaft 5 can be rotated, the second dustproof shell 7 is rotated into the first dustproof shell 4, at the moment, the opening at the bottom of the first dustproof shell 4 is exposed, then a worker can stretch hands into the first dustproof shell 4 to conduct control adjustment on the change-over switch 1, the dustproof shell 7 can be rotated to the original position after the dustproof shell is used, the dustproof mechanism can be well used for conducting dustproof treatment on the universal change-over switch 1, and the dustproof effect is good.

Specifically, the spacing unit includes arc bottom plate 8, stopper 10, link plate 12, diaphragm 13, bull stick 14 and locking spiral shell piece 15, arc bottom plate 8 fixed mounting is in the side of apron 2, spout 9 has been seted up at arc bottom plate 8 top, stopper 10 slidable mounting is in spout 9, link plate 12 fixed mounting is between stopper 10 and diaphragm 13, spacing groove 11 has been seted up on dustproof casing two 7, stopper 10 clamps mutually with spacing groove 11, bull stick 14 rotates and installs on diaphragm 13, bull stick 14 top and locking spiral shell piece 15 fixed connection, the locking spiral shell groove has been seted up on the arc bottom plate 8, locking spiral shell piece 15 and locking spiral shell groove threaded connection.

Through foretell spacing unit, when dustproof casing two 7 and dustproof casing one 4 cooperation carry out dustproof, rotate bull stick 14 for locking helicoid 15 screw in to locking helicoid inslot, and then can make stopper 10 card go into spacing inslot 11, so can carry out spacing processing to dustproof casing two 7, guarantee the stability in dustproof casing two 7 positions.

Specifically, the arc-shaped bottom plate 8 is in contact with the second dust-proof housing 7, and it should be noted that the rotation of the second dust-proof housing 7 is not affected.

Specifically, the first sealing gasket is embedded on the second dustproof shell 7, the first sealing gasket is in sealing contact with the first dustproof shell 4, the second sealing gasket is embedded at the rear end of the second dustproof shell 7, and the second sealing gasket is in sealing contact with the cover plate 2, and it is noted that the sealing property between the second dustproof shell 7 and the first dustproof shell 4 can be ensured, and the sealing property between the second dustproof shell 7 and the cover plate 2 can be ensured.

Specifically, the first dust-proof housing 4 is provided with the transparent observation plate 16, and the transparent observation plate 16 is located above the rotating shaft 5, and it should be noted that the transparent observation plate 16 is convenient for checking when the universal change-over switch 1 is operated.

Specifically, a vertical hole is formed in the bottom of the chute 9, and the connecting plate 12 is slidably mounted in the vertical hole, and it is to be noted that the connecting plate 12 is convenient to move in the vertical direction.

Working principle:

The dustproof type universal change-over switch 1 comprises a back shell 3, a cover plate 2, a dustproof shell I and a dustproof shell II, wherein the back shell 3 can be arranged in an equipment mounting hole or a wall mounting hole, then the cover plate 2 is fixed on the back shell 3 through a screw, the cover plate 2 can plug the back shell 3, and meanwhile the equipment mounting hole or the wall mounting hole can be plugged, so that dust can be prevented from entering, a certain dustproof effect is achieved, the dustproof shell I4 and the dustproof shell II 7 can conduct dustproof treatment on the outer side part of the universal change-over switch 1, when the universal change-over switch 1 is needed to be used, a rotating shaft 5 can be rotated, a connecting piece 6 drives the dustproof shell II 7 to rotate, the dustproof shell II 7 is rotated into the dustproof shell I4, at the moment, an opening at the bottom of the dustproof shell I4 is exposed, then a worker can stretch hands into the dustproof shell I4 to conduct control and adjustment on the universal change-over switch 1, the dustproof type universal change-over switch 1 is convenient to use, after the dustproof type universal change-over switch 1 is used, the dustproof effect is good;

S2, when the dustproof shell II 7 and the dustproof shell I4 are matched for dust prevention, the rotating rod 14 is rotated, so that the locking screw block 15 is screwed into the locking screw groove, and the limiting block 10 can be clamped into the limiting groove 11, so that the dustproof shell II 7 can be subjected to limiting treatment, and the stability of the position of the dustproof shell II 7 is ensured.

The dust-proof device of the universal change-over switch provided by the utility model is described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A dustproof device for a universal transfer switch, comprising:

A universal transfer switch (1), wherein the universal transfer switch (1) is provided with a dustproof mechanism;

The dustproof mechanism comprises a cover plate (2), a back shell (3), a dustproof shell 1 (4), a rotating shaft (5), a connecting piece (6), a dustproof shell 2 (7) and a limiting unit. The cover plate (2) is fixedly sleeved on the outer side of the universal conversion switch (1). The cover plate (2) is fixedly connected to the back shell (3) by screws. The side of the dustproof shell 1 (4) is fixedly connected to the cover plate (2). The rotating shaft (5) is rotatably mounted on the dustproof shell 1 (4). The connecting piece (6) is fixedly connected to the rotating shaft (5). The dustproof shell 2 (7) is fixedly connected to the connecting piece (6). The dustproof shell 2 (7) is in sealing contact with the dustproof shell 1 (4).

2. A dustproof device for a universal transfer switch according to claim 1, characterized in that the limiting unit comprises an arc-shaped bottom plate (8), a limiting block (10), a connecting plate (12), a transverse plate (13), a rotating rod (14) and a locking screw (15), wherein the arc-shaped bottom plate (8) is fixedly mounted on the side of the cover plate (2), a sliding groove (9) is provided on the top of the arc-shaped bottom plate (8), the limiting block (10) is slidably mounted in the sliding groove (9), and the connecting plate (12) is fixedly mounted on the side of the cover plate (2). The plate (12) is fixedly installed between the limit block (10) and the transverse plate (13); a limit groove (11) is provided on the second dustproof shell (7); the limit block (10) is clamped with the limit groove (11); the rotating rod (14) is rotatably installed on the transverse plate (13); the top end of the rotating rod (14) is fixedly connected to the locking screw block (15); a locking screw groove is provided on the arc bottom plate (8); the locking screw block (15) is threadedly connected to the locking screw groove.

3. The dustproof device of a universal transfer switch according to claim 2, characterized in that the arc-shaped bottom plate (8) is in contact with the second dustproof housing (7).

4. The dustproof device of a universal transfer switch according to claim 1 is characterized in that a sealing gasket 1 is embedded in the second dustproof housing (7), and the sealing gasket 1 is in sealing contact with the first dustproof housing (4).

5. The dustproof device of a universal transfer switch according to claim 1, characterized in that a second sealing gasket is embedded at the rear end of the second dustproof housing (7), and the second sealing gasket is in sealing contact with the cover plate (2).

6. The dustproof device of a universal transfer switch according to claim 1, characterized in that a transparent observation plate (16) is installed on the dustproof shell (4).

7. A dustproof device for a universal transfer switch according to claim 2, characterized in that a vertical hole is provided at the bottom of the slide groove (9), and the connecting plate (12) is slidably installed in the vertical hole.

8. The dustproof device of a universal transfer switch according to claim 6, characterized in that the transparent observation plate (16) is located above the rotating shaft (5).