CN219497587U - An electrical switch against misoperation - Google Patents

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

An electrical switch against misoperation

technical field

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

Background technique

The electrical appliances in daily life are constantly increasing, and a lot of manual labor has been replaced by electronic equipment, and the stability of electric power needs to be guaranteed by qualified power cabinets. The main function of power cabinets is to perform power generation, transmission, distribution and power conversion in the power system. In the process of switching, controlling and protecting electrical equipment, a knife switch and a button switch are installed in the power cabinet, and the knife switch and the button switch are mainly used for isolating power supply, switching operation, and connecting and cut-off current circuit function of the switching device

During the use of the existing knife switch and button switch, the current circuit inside the power cabinet is connected and cut off by rotating the handle up and down and pressing the button, but when the operator opens the door of the power cabinet, the inside of the power cabinet is repaired At this time, since there is no limit device on the surface of the handle and the button, the current may be cut off or connected suddenly due to accidentally touching the handle or the button, which has certain potential safety hazards. Therefore we need to propose a kind of electric switch of anti-misoperation.

Utility model content

The purpose of this utility model is to provide an electrical switch that prevents misoperation, adding a limit mechanism to limit the gate handle and button, thereby preventing the operator from accidentally touching the switch when maintaining the power cabinet, and improving the safety during maintenance , to avoid disconnection or connection of the current caused by false touch, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: an electrical switch for preventing misuse, including an electrical cabinet, a mounting plate is installed in the electrical cabinet, and a knife switch and a limit switch are provided on one side of the mounting plate mechanism, the limit mechanism is arranged on the upper end of one side of the installation plate, and the handle of the knife switch is arranged on the same level as the limit mechanism;

The limiting mechanism includes two sets of fixing parts, two sets of connecting plates and a limiting plate, and one side of the right-angled plates of the two sets of fixing parts is fixedly connected with the mounting plate through two sets of positioning screws through the positioning holes, and the two sets of fixed One side of the other right-angled plate of the two sets of fixtures is provided with a first hinge hole, and one side of the two sets of connecting plates is provided with a second hinged hole, and the other right-angled plate of the two sets of fixing pieces and the two sets of connecting plates are both The two sets of fixing pins respectively pass through the first hinged hole and the second hinged hole for sliding connection, and both the first hinged hole and the second hinged hole are hinged with the fixing pin;

Both ends of one side of the limiting plate are provided with two groups of through holes, and connecting guide rods are plugged into each group of through holes, and the side adjacent to the second hinged hole of the two groups of connecting plates is provided with a The two sets of screw holes for connecting the guide rods are threadedly connected, and the other ends of the connecting guide rods are sheathed with springs and are threadedly connected with the limiting knobs.

Preferably, the center of the upper end of one side of the installation plate is fixedly connected with a limit block, and the center of one side of the limit plate is provided with a limit hole for clamping of the limit block.

Preferably, the two sets of fixing parts are symmetrically arranged, and the cross-sections of the two groups of fixing parts are arranged in an L shape, and the connecting plates of the two groups can be flipped by 0-90° with the fixing pin as the rotation point. The length of bit 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 multiple combined leaves, and a wiring hole is opened on the lower surface of the electrical cabinet.

Preferably, multiple sets of pads are glued on the opposite side of the inner cavity of the electrical cabinet to the cabinet door, and the sides of the multiple sets of pads opposite to the cabinet door all conflict with the end corners on the other side of the mounting plate, and the mounting plate It is fixedly connected with multiple sets of pads through multiple sets of positioning bolts.

Preferably, the lower ends of the electrical cabinet and the adjacent sides of the cabinet door are provided with multiple sets of cooling holes, and the lower ends of the electrical cabinet and the adjacent sides of the cabinet door are welded with multiple sets of dust covers, and the multiple sets of dust-proof covers The covers are respectively arranged above one end of the plurality of groups of cooling holes.

Preferably, the length of the connecting guide rod is less than the depth of the electrical cabinet, and the connecting guide rod is slidably connected to the limit plate through a through hole, and the side wall of the limit knob is provided with anti-skid lines.

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

1. The utility model is mainly through the cooperation between the limit mechanism, the limit block and the installation plate, and the corresponding installation of the limit mechanism and the knife switch handle, and the position limit plate is convenient to adjust the position by connecting the guide rod and the spring, so that Through the fixed pin, friction occurs between the connecting plate and the fixed part, so that the limit plate is used to flip over, which is convenient for the limit of the knife switch handle, which can prevent the knife switch from causing the current to be disconnected or connected. At the same time, the button switch can also pass through the limit The mechanism prevents accidental touch, improves the scope of application of the limit mechanism, prevents maintenance personnel from accidentally touching the switch when maintaining the power cabinet, avoids disconnection or connection of the current caused by mistaken touch, and improves the safety during maintenance.

Description of drawings

Fig. 1 is the open structure schematic diagram of electric cabinet of the present utility model;

Fig. 2 is a schematic diagram of the structure of the position-limiting mechanism of the present invention before use;

Fig. 3 is a structural schematic diagram of the limiting mechanism of the present invention.

In the figure: 1. Electrical cabinet; 2. Cabinet door; 3. Mounting plate; 4. Spacer; 5. Locating bolt; 6. Knife switch; 7. Limiting block; 8. Limiting mechanism; ; 811, positioning hole; 812, the first reaming hole; 82, positioning screw; 83, fixed pin; Hole; 852, through hole; 86, connecting guide rod; 87, limit knob; 88, spring; 9, cooling hole; 10, dust cover; 11, threading hole.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-3, the utility model provides a technical solution: an electrical switch for preventing misuse, including an electrical cabinet 1, a mounting plate 3 is installed in the electrical cabinet 1, and a gate is provided on one side of the mounting plate 3 The knife switch 6 and the limit mechanism 8, the limit mechanism 8 is arranged on the upper end of one side of the mounting plate 3, and the handle of the knife switch 6 is arranged on the same level as the limit mechanism 8;

The limiting mechanism 8 includes two sets of fixing parts 81, two sets of connecting plates 84 and a limiting plate 85, and one side of the right-angled plates of the two sets of fixing parts 81 is fixedly connected with the mounting plate 3 through the positioning holes 811 through two sets of positioning screws 82. And one side of the other right-angle plate of two groups of fixing parts 81 is all provided with first reaming hole 812, and one side of two groups of connecting plates 84 is all provided with second reaming hole 841, and the other right angle of two groups of fixing parts 81 The plates and the two sets of connecting plates 84 are all slidably connected through the two sets of fixing pins 83 through the first hinged holes 812 and the second hinged holes 841, and the first hinged holes 812 and the second hinged holes 841 are hinged with the fixing pins 83;

Two groups of through holes 852 are provided at both ends of one side of the limiting plate 85, and connecting guide rods 86 are plugged in each group of through holes 852, and two groups of connecting plates 84 are adjacent to the second hinged hole 841. Both sets of screw holes 842 are provided for threaded connection of two sets of connecting guide rods 86 , and the other ends of the connecting guide rods 86 are sleeved with springs 88 and threaded to limit knobs 87 .

When in use, when the maintenance personnel is opening the cabinet door 2 to maintain the circuit, the limit mechanism 8 is in the limit state for the knife switch 6, and the spring 88 is in a relaxed state, thereby preventing the maintenance personnel from accidentally touching the knife switch 6 and causing the current to flow Disconnect, when the maintenance personnel need to disconnect the current, pull the limiting plate 85 against multiple sets of springs 88, and turn over 90°, so that the limiting hole 851 on one side of the limiting plate 85 and the limiting hole on one side of the mounting plate 3 Block 7 clamps, thereby is convenient to the limit plate 85 is fixed, and now spring 88 is in compression state, is convenient to pull the handle of knife switch 6, and maintenance personnel pulls limit plate 85 again after cutting off electric current and makes limit block 7 and The limit hole 851 is separated, and the connecting plate 84 and the fixed pin 83 are hinged and rotated 90° to complete the reset of the limit plate 85, thereby preventing maintenance personnel from accidentally touching the knife switch 6 during maintenance to make the current connected, and improving the maintenance efficiency. security.

One side of the upper end center of the mounting plate 3 is fixedly connected with the limit block 7, and the center of one side of the limit plate 85 is provided with a limit hole 851 for the clamping of the limit block 7, which is convenient for opening the limit mechanism 8 through the limit block 7 It is fixed so that maintenance personnel can pull the handle of the knife switch 6, and when avoiding pulling the knife switch 6 handle, the limit plate 85 resets and blocks the maintenance personnel's hand.

The two sets of fixing parts 81 are arranged symmetrically, and the cross-sections of the two groups of fixing parts 81 are L-shaped. It is larger than the width of the handle of the knife switch 6, and it is convenient to install the limit mechanism 8 at any position through the fixing part 81, so that it is suitable for the knife switch 6 or a button switch, and has a wide range of applications, and the switch is limited by turning over.

One end of one side of the electrical cabinet 1 is hinged with a cabinet door 2 through multiple combined pages. The lower surface of the electrical cabinet 1 is provided with a threading hole 11. Through the cabinet door 2, non-maintenance personnel are prevented from opening the electrical cabinet 1, which improves safety. At the same time, the threading hole 11 to facilitate the connection of lines.

The inner cavity of the electrical cabinet 1 is bonded with multiple sets of pads 4 on the side opposite to the cabinet door 2, and the side of the multiple sets of pads 4 opposite to the cabinet door 2 is in conflict with the end angle on the other side of the mounting plate 3, and the installation The board 3 is fixedly connected with multiple sets of pads 4 through multiple sets of positioning bolts 5, and the pads 4 are used to facilitate the fixing of the mounting plate 3, so as to prevent the mounting plate 3 from being directly installed inside the electrical cabinet 1 and improve safety.

The lower ends of the adjacent sides of the electrical cabinet 1 and the cabinet door 2 are provided with multiple sets of cooling holes 9, and the lower ends of the electrical cabinet 1 and the adjacent sides of the cabinet door 2 are welded with multiple sets of dust covers 10, and multiple sets of dust covers 10 are respectively arranged on one end of multiple groups of cooling holes 9, through the cooling holes 9 to facilitate heat dissipation in the electrical cabinet 1, while the opening of the protective cover is downward and communicated with the cooling holes 9, thereby preventing external dust from entering the electrical cabinet 1.

The length of the connecting guide rod 86 is less than the depth of the electrical cabinet 1, and the connecting guide rod 86 is slidably connected with the limit plate 85 through the through hole 852. The side wall of the limit knob 87 is provided with anti-slip lines. The structure of the limit mechanism 8 is simple and easy to assemble. convenient.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (7)

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).