CN219497587U

CN219497587U - Misoperation-preventing electric switch

Info

Publication number: CN219497587U
Application number: CN202320378040.4U
Authority: CN
Inventors: 徐琳霞
Original assignee: Shandong Chengdian Power Engineering Co ltd
Current assignee: Shandong Chengdian Power Engineering Co ltd
Priority date: 2023-03-03
Filing date: 2023-03-03
Publication date: 2023-08-08
Anticipated expiration: 2033-03-03

Abstract

The utility model relates to the technical field of electrical control equipment, and discloses an anti-misoperation electrical switch, which comprises an electrical cabinet, wherein a mounting plate is arranged in the electrical cabinet, and a knife switch and a limiting mechanism are arranged on one side of the mounting plate; through the cooperation between stop gear, stopper and the mounting panel, correspond the installation through with stop gear and knife switch handle, and the limiting plate is convenient for adjust the position through connecting guide arm and spring, thereby make through the fixed pin take place the friction between connecting plate and the mounting, thereby use the limiting plate upset, be convenient for spacing knife switch handle, can prevent knife switch lead to the electric current disconnection or communicate, button switch also accessible stop gear prevents to touch by mistake simultaneously, stop gear's application scope has been improved, avoid maintainer to touch by mistake the switch when maintaining in the electric power cabinet, avoid touching by mistake and lead to the electric current disconnection or communicate, the security when improving the maintenance.

Description

Misoperation-preventing electric switch

Technical Field

The utility model relates to the technical field of electrical control equipment, in particular to an misoperation-preventing electrical switch.

Background

In the process of generating, transmitting, distributing and converting electric energy by a power system, the electric equipment is switched, controlled and protected, a knife switch and a button switch are arranged in the electric power cabinet, and the knife switch and the button switch are switching devices which are mainly used for isolating a power supply, switching operation and connecting and disconnecting current circuit functions

The current circuit inside the electric power cabinet is communicated and cut off through rotating the handle up and down and pressing the button in the use process of the conventional knife switch and the button switch, but when an operator opens the electric power cabinet door to overhaul the inside of the electric power cabinet, as the handle and the button surface are not provided with any limiting device, the current can be cut off or communicated suddenly due to the fact that the handle or the button is touched by mistake, and certain potential safety hazards exist. Therefore, there is a need to provide an electrical switch that is resistant to malfunction.

Disclosure of Invention

The utility model aims to provide an misoperation-preventing electric switch, which is provided with a limiting mechanism for limiting a gateway handle and a button, so that an operator is prevented from touching the switch by mistake during maintenance in an electric cabinet, the safety during maintenance is improved, and the current disconnection or connection caused by the false touch is avoided, so that the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an anti-misoperation's electrical switch, includes the regulator cubicle, install the mounting panel in the regulator cubicle, and one side of mounting panel is provided with knife switch and stop gear, stop gear sets up the upper end in one side of the mounting panel, knife switch's handle and stop gear set up in same horizontal plane;

the limiting mechanism comprises two groups of fixing pieces, two groups of connecting plates and limiting plates, wherein one side of each rectangular plate of the two groups of fixing pieces is fixedly connected with the mounting plate through two groups of positioning screws penetrating through positioning holes, one side of the other rectangular plate of the two groups of fixing pieces is provided with a first reaming hole, one side of each of the two groups of connecting plates is provided with a second reaming hole, the other rectangular plate of the two groups of fixing pieces and the two groups of connecting plates penetrate through the first reaming holes and the second reaming holes through two groups of fixing pins respectively and are in sliding connection, and the first reaming holes are hinged with the second reaming holes;

two groups of through holes are formed in two ends of one side of the limiting plate, connecting guide rods are inserted into each two groups of through holes, screw holes for the threaded connection of the two groups of connecting guide rods are formed in one side, adjacent to the second hinge holes, of the connecting plate, and the other end of the connecting guide rod is sleeved with a spring and is in threaded connection with a limiting knob.

Preferably, a limiting block is fixedly connected to the center of the upper end of one side of the mounting plate, and a limiting hole for clamping the limiting block is formed in the center of one side of the limiting plate.

Preferably, the two sets of mounting are the symmetry setting, and the transversal L shape setting of personally submitting of two sets of mounting, two sets of the connecting plate all uses the fixed pin to overturn for 0-90, the length of limiting plate is greater than the width of knife switch handle.

Preferably, one end of one side of the electrical cabinet is hinged with a cabinet door through a plurality of groups of hinges, and the lower surface of the electrical cabinet is provided with a threading hole.

Preferably, a plurality of groups of cushion blocks are adhered to one side, opposite to the cabinet door, of the inner cavity of the electrical cabinet, the opposite side of the cushion blocks and the cabinet door are in contact with the end angle of the other side of the mounting plate, and the mounting plate is fixedly connected with the cushion blocks through a plurality of groups of positioning bolts.

Preferably, a plurality of groups of heat dissipation holes are formed in the lower ends of two adjacent sides of the electrical cabinet and the cabinet door, a plurality of groups of dust covers are welded to the lower ends of two adjacent sides of the electrical cabinet and the cabinet door, and the dust covers are respectively arranged above one ends of the heat dissipation holes.

Preferably, the length of the connecting guide rod is smaller than the depth of the electrical cabinet, the connecting guide rod is in sliding connection with the limiting plate through the through hole, and anti-skidding patterns are arranged on the side wall of the limiting knob.

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

1. according to the utility model, the limit mechanism and the knife switch handle are correspondingly arranged through the cooperation between the limit mechanism and the limit block and the mounting plate, and the limit plate is convenient for adjusting the position through the connecting guide rod and the spring, so that friction occurs between the connecting plate and the fixing piece through the fixing pin, the limit plate is used for overturning, the knife switch handle is convenient to limit, the knife switch can be prevented from being disconnected or communicated with current, meanwhile, the button switch can also be prevented from being touched by mistake through the limit mechanism, the application range of the limit mechanism is improved, the situation that a maintainer touches the switch by mistake during maintenance in the electric cabinet is avoided, the current is disconnected or communicated by mistake, and the safety during maintenance is improved.

Drawings

FIG. 1 is a schematic view of an open structure of an electrical cabinet of the present utility model;

FIG. 2 is a schematic diagram of a limiting mechanism before use;

fig. 3 is a schematic structural view of a limiting mechanism according to the present utility model.

In the figure: 1. an electrical cabinet; 2. a cabinet door; 3. a mounting plate; 4. a cushion block; 5. positioning bolts; 6. a knife switch; 7. a limiting block; 8. a limiting mechanism; 81. a fixing member; 811. positioning holes; 812. a first reaming; 82. a set screw; 83. a fixing pin; 84. a connecting plate; 841. a second reaming; 842. a screw hole; 85. a limiting plate; 851. a limiting hole; 852. a through hole; 86. connecting a guide rod; 87. a limit knob; 88. a spring; 9. a heat radiation hole; 10. a dust cover; 11. and a threading hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-3, the present utility model provides a technical solution: an anti-misoperation electrical switch comprises an electrical cabinet 1, wherein a mounting plate 3 is arranged in the electrical cabinet 1, a knife switch 6 and a limiting mechanism 8 are arranged on one side of the mounting plate 3, the limiting mechanism 8 is arranged at the upper end of one side of the mounting plate 3, and a handle of the knife switch 6 and the limiting mechanism 8 are arranged on the same horizontal plane;

the limiting mechanism 8 comprises two groups of fixing pieces 81, two groups of connecting plates 84 and limiting plates 85, wherein one rectangular plate of the two groups of fixing pieces 81 is fixedly connected with the mounting plate 3 through two groups of positioning screws 82 penetrating through positioning holes 811, one side of the other rectangular plate of the two groups of fixing pieces 81 is provided with a first reaming hole 812, one side of the two groups of connecting plates 84 is provided with a second reaming hole 841, the other rectangular plate of the two groups of fixing pieces 81 and the two groups of connecting plates 84 are respectively connected with the first reaming hole 812 and the second reaming hole 841 in a sliding manner through two groups of fixing pins 83, and the first reaming holes 812 and the second reaming holes 841 are hinged with the fixing pins 83;

two groups of through holes 852 are formed in two ends of one side of the limiting plate 85, the connecting guide rods 86 are inserted into each two groups of through holes 852, screw holes 842 for the two groups of connecting guide rods 86 to be connected in a threaded mode are formed in one side, adjacent to the second hinge holes 841, of the two groups of connecting plates 84, and the other ends of the connecting guide rods 86 are sleeved with springs 88 and are connected with limiting knobs 87 in a threaded mode.

When in use, when a serviceman opens the cabinet door 2 to maintain a circuit, the limit mechanism 8 is in a limit state for the knife switch 6, the springs 88 are in a release state, so that the situation that the serviceman mistakenly touches the knife switch 6 to cause the disconnection of current is avoided, when the serviceman needs to disconnect the current, the limit plates 85 are pulled to abut against the plurality of groups of springs 88 and turn over 90 degrees, the limit holes 851 on one side of the limit plates 85 are clamped with the limit blocks 7 on one side of the mounting plate 3, so that the limit plates 85 are conveniently fixed, the springs 88 are in a compression state, the handle of the knife switch 6 is conveniently pulled, after the current is disconnected, the serviceman pulls the limit plates 85 again to separate the limit blocks 7 from the limit holes 851, and the connection plates 84 are hinged with the fixing pins 83 to rotate by 90 degrees, so that the reset for the limit plates 85 is completed, and the serviceman is prevented from mistakenly touching the knife switch 6 to cause the current communication during the maintenance, and the maintenance safety is improved.

The limiting block 7 is fixedly connected to the center of one side upper end of the mounting plate 3, the limiting hole 851 for clamping the limiting block 7 is formed in the center of one side of the limiting plate 85, and the limiting block 7 is convenient to open and fix the limiting mechanism 8, so that maintenance personnel can conveniently pull the handle of the knife switch 6, and the limiting plate 85 is reset to clamp the hands of the maintenance personnel when the handle of the knife switch 6 is prevented from being pulled.

Two sets of mounting 81 are the symmetry setting, and the transversal L shape setting of personally submitting of two sets of mounting 81, and two sets of connecting plates 84 all use fixed pin 83 to overturn for 0-90 as the rotation point, and the length of limiting plate 85 is greater than the width of knife switch 6 handle, is convenient for install stop gear 8 optional position through mounting 81 to be applicable to knife switch 6 or button switch, application scope is wider, and is spacing to the switch through the upset.

One end of one side of regulator cubicle 1 has cabinet door 2 through multiunit hinge articulates, and threading hole 11 has been seted up to the lower surface of regulator cubicle 1, avoids non-maintainer to open regulator cubicle 1 through cabinet door 2, improves the security, and threading hole 11 are convenient for the connection of circuit simultaneously.

The inner cavity of the electric cabinet 1 is adhered with a plurality of groups of cushion blocks 4 on one side opposite to the cabinet door 2, the plurality of groups of cushion blocks 4 are abutted against the end corners of the other side of the mounting plate 3 on one side opposite to the cabinet door 2, the mounting plate 3 is fixedly connected with the plurality of groups of cushion blocks 4 through a plurality of groups of positioning bolts 5, the mounting plate 3 is conveniently fixed through the cushion blocks 4, the mounting plate 3 is prevented from being directly mounted on the inner side of the electric cabinet 1, and the safety is improved.

The lower extreme of the adjacent both sides of regulator cubicle 1 and cabinet door 2 has all seted up multiunit louvre 9, and the lower extreme welding of the adjacent both sides of regulator cubicle 1 and cabinet door 2 has multiunit dust cover 10, multiunit dust cover 10 sets up respectively in the one end top of multiunit louvre 9, is convenient for dispel the heat in the regulator cubicle 1 through louvre 9, and the opening of protection casing simultaneously is downwards to communicate with louvre 9, thereby avoid external dust to get into in the regulator cubicle 1.

The length of the connecting guide rod 86 is smaller than the depth of the electrical cabinet 1, the connecting guide rod 86 is slidably connected with the limiting plate 85 through the through hole 852, anti-skidding lines are arranged on the side wall of the limiting knob 87, and the limiting mechanism 8 is simple in structure and convenient to assemble.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An anti-misoperation electrical switch, comprising an electrical cabinet (1), characterized in that: the electric cabinet (1) is internally provided with a mounting plate (3), one side of the mounting plate (3) is provided with a knife switch (6) and a limiting mechanism (8), the limiting mechanism (8) is arranged at the upper end of one side of the mounting plate (3), and the handle of the knife switch (6) and the limiting mechanism (8) are arranged on the same horizontal plane;

the limiting mechanism (8) comprises two groups of fixing pieces (81), two groups of connecting plates (84) and limiting plates (85), wherein one side of the two groups of right-angle plates of the fixing pieces (81) are fixedly connected with the mounting plate (3) through two groups of positioning screws (82) penetrating through positioning holes (811), one side of the other right-angle plate of the two groups of fixing pieces (81) is provided with a first reaming hole (812), one side of the two groups of connecting plates (84) is provided with a second reaming hole (841), the other right-angle plate of the two groups of fixing pieces (81) and the two groups of connecting plates (84) are respectively connected through two groups of fixing pins (83) in a sliding mode through the first reaming holes (812) and the second reaming holes (841), and the first reaming holes (812) and the second reaming holes (841) are hinged with the fixing pins (83);

two groups of through holes (852) are formed in two ends of one side of the limiting plate (85), connecting guide rods (86) are inserted into each two groups of through holes (852), screw holes (842) for the threaded connection of the two groups of connecting guide rods (86) are formed in one side, adjacent to the second hinge holes (841), of the connecting plate (84), and springs (88) are sleeved at the other ends of the connecting guide rods (86) and are in threaded connection with limiting knobs (87).

2. An anti-misoperation electrical switch as claimed in claim 1 wherein: the limiting block (7) is fixedly connected to the center of the upper end of one side of the mounting plate (3), and a limiting hole (851) for clamping the limiting block (7) is formed in the center of one side of the limiting plate (85).

3. An anti-misoperation electrical switch as claimed in claim 1 wherein: the two sets of mounting (81) are the symmetry setting, and the transversal L shape setting of personally submitting of two sets of mounting (81), two sets of connecting plate (84) all use fixed pin (83) as the rotation point can carry out 0-90 upset, the length of limiting plate (85) is greater than the width of knife switch (6) handle.

4. An anti-misoperation electrical switch as claimed in claim 1 wherein: one end of one side of regulator cubicle (1) is articulated through multiunit hinge has cabinet door (2), threading hole (11) have been seted up to the lower surface of regulator cubicle (1).

5. An anti-misoperation electrical switch as claimed in claim 1 wherein: the inner cavity of the electrical cabinet (1) is adhered with a plurality of groups of cushion blocks (4) on one side opposite to the cabinet door (2), the plurality of groups of cushion blocks (4) are abutted against the end angle of the other side of the mounting plate (3) on the opposite side of the cabinet door (2), and the mounting plate (3) is fixedly connected with the plurality of groups of cushion blocks (4) through a plurality of groups of positioning bolts (5).

6. An anti-misoperation electrical switch as claimed in claim 1 wherein: the lower ends of two adjacent sides of the electrical cabinet (1) and the cabinet door (2) are provided with a plurality of groups of heat dissipation holes (9), the lower ends of two adjacent sides of the electrical cabinet (1) and the cabinet door (2) are welded with a plurality of groups of dust covers (10), and the plurality of groups of dust covers (10) are respectively arranged above one ends of the plurality of groups of heat dissipation holes (9).

7. An anti-misoperation electrical switch as claimed in claim 1 wherein: the length of the connecting guide rod (86) is smaller than the depth of the electrical cabinet (1), the connecting guide rod (86) is in sliding connection with the limiting plate (85) through the through hole (852), and anti-skidding patterns are formed in the side wall of the limiting knob (87).