Closing and locking device of switchgear

Abstract

The utility model discloses a switching-on locking device of switch equipment, which relates to the technical field of switch equipment and comprises an equipment main body, the equipment main body is rotatably connected with a rotating rod in a penetrating manner, one end of the rotating rod is fixedly connected with a protection knob, and the other end of the rotating rod is fixedly connected with a protection rod. The position, close to the rotating rod, of the equipment body is fixedly connected with a fixed limiting block, the rotating rod is rotationally connected to the inner side of the fixed limiting block in a penetrating mode, the outer side of the rotating rod is sleeved with a torsional spring, one end of the torsional spring is fixedly connected to the fixed limiting block, and the other end of the torsional spring is fixedly connected to the protection rod. The protection knob drives the rotating rod to rotate, the rotating rod drives the protection rod to rotate, meanwhile, the protection rod drives the torsion spring to rotate, the protection rod leaves one side of the protection block, the pressing switch can be pressed down, and if the protection knob is not rotated, the switch is pressed under the condition that people accidentally touch or mistakenly touch, the protection rod limits the protection block.

Description

TECHNICAL FIELD

[0001] The utility model relates to a switchgear technical field, concretely is a closing locking device of switchgear. BACKGROUND

[0002] Switching equipment plays a vital role in the power system, and the switching equipment can connect or disconnect the circuit when needed, control the flow of electric energy. This is very important for the start and stop of the device, load switching, fault isolation, etc. The switching equipment can quickly cut off the fault circuit to prevent damage to the device caused by current overload or short circuit, and plays a protective role. When the power load needs to be adjusted, the switching equipment can realize the transfer or switching of the load, ensure the stability of the power grid and the balance of the load, and the switching equipment is one of the core components of maintaining the reliability, safety and flexibility of power supply in the power system.

[0003] The above-mentioned utility model has the following problems:

[0004] The switch of the device is closed, and there is no device to prevent accidental touch. When the staff accidentally or accidentally touches the switch, accidental closing may occur, which may cause a series of adverse consequences, and may seriously endanger the safety of the device, personnel and the entire power system.

[0005] Therefore, the skilled person in the art provides a closing locking device of switchgear to solve the problems raised in the above background. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a closing locking device of switchgear to solve the problems raised in the above background.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] A closing locking device of switchgear, comprising a device main body, the device main body is rotatably connected with a rotating rod, one end of the rotating rod is fixedly connected with a protection knob, the other end of the rotating rod is fixedly connected with a protection rod, the device main body is fixedly connected with a fixed limiting block close to the rotating rod, and the rotating rod is rotatably connected to the inner side of the fixed limiting block, a torsional spring is sleeved on the outer side of the rotating rod, one end of the torsional spring is fixedly connected to the fixed limiting block, and the other end of the torsional spring is fixedly connected to the protection rod.

[0009] As a further scheme of the utility model: the inner side of the device main body is fixedly connected with a fixed support, a control rod is slidably connected through the inner side of the fixed support, one end of the control rod is fixedly connected with a push switch, the end of the control rod away from the push switch is fixedly connected with a fixed ring, and a damping spring is sleeved on the outer side of the control rod.

[0010] As a further scheme of the utility model: the damping spring is by default the spring that stretches, one end of damping spring is fixedly connected in fixed ring, the other end of damping spring is fixedly connected in fixed support, the end of control rod close to damping spring is fixedly connected with protection block, the other end of protection block is fixedly connected with pressure block.

[0011] As a further scheme of the utility model: the control rod is fixedly connected with telescopic rod on both sides close to press switch, the other end of telescopic rod is fixedly connected with clamping block, the outside of telescopic rod is equipped with adjusting spring, adjusting spring is by default the state that stretches, one end of adjusting spring is fixedly connected in clamping block, the other end of adjusting spring is fixedly connected with control rod.

[0012] As a further scheme of the utility model: the equipment main part is fixedly connected with limit ring close to clamping block, the one side of limit ring is equipped with the clamping groove, the both sides of clamping groove are equipped with reset slot, the one end of equipment main part close to pressure block is fixedly connected with microswitch main part.

[0013] As a further scheme of the utility model: the other end of microswitch main part is fixedly connected with closing controller, the one side of microswitch main part close to pressure block is fixedly connected with elastic sheet, the one side of microswitch main part close to elastic sheet is fixedly connected with microswitch button.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The utility model discloses a protection knob is connected with the rotation lever, after rotating the protection knob, the rotation lever drives the protection lever to rotate, and the protection lever loosens the protection block, and before rotating the protection knob, the protection lever limits the operation of press switch, and if the protection knob is not rotated, the protection lever will limit the press switch, and the closing cannot be carried out, effectively avoid the switch closing caused by the staff's mistake or accidental operation, only under the correct operation, the press switch can be allowed to use, when rotating the press switch, the press switch resets, and the protection lever re-clamps the protection block and is positioned. ACCURACY OF DRAWINGS

[0016] Figure 1 It is a kind of switchgear's closing locking device's structural schematic diagram.

[0017] Figure 2 It is a kind of switchgear's closing locking device Figure 1 The structure of A in the utility model is enlarged and shows the schematic diagram.

[0018] Figure 3 It is a kind of switchgear's closing locking device Figure 1 The structure of B in the utility model is enlarged and shows the schematic diagram.

[0019] Figure 4 It is a kind of switchgear's closing locking device limit ring's structural schematic diagram.

[0020] In the figure: 1, the device body, 2, fixed support, 3, control rod, 4, fixed ring, 5, damping spring, 6, protection block, 7, telescopic rod, 8, clamping block, 9, adjusting spring, 10, limiting ring, 11, clamping groove, 12, reset slot, 13, pressing block, 14, micro switch body, 15, closing controller, 16, elastic sheet, 17, micro switch button, 18, push switch, 19, rotating rod, 20, protection knob, 21, protection rod, 22, fixed limiting block, 23, torsional spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Embodiment 1

[0023] With reference to Figure 1 , 2 , 3, 4, the embodiment provides a closing locking device of a switch device, which comprises a device body 1, the device body 1 is rotatably connected with a rotating rod 19, one end of the rotating rod 19 is fixedly connected with a protection knob 20, the other end of the rotating rod 19 is fixedly connected with a protection rod 21, the device body 1 is fixedly connected with a fixed limiting block 22 close to the rotating rod, and the rotating rod 19 is rotatably connected to the inner side of the fixed limiting block 22, the outer side of the rotating rod 19 is sleeved with a torsional spring 23, one end of the torsional spring 23 is fixedly connected to the fixed limiting block 22, and the other end of the torsional spring 23 is fixedly connected to the protection rod 21; when the push switch needs to be pressed down, the protection knob needs to be rotated first, the protection knob drives the rotating rod to rotate, the rotating rod drives the protection rod to rotate, and the protection rod drives the torsional spring to rotate at the same time, so that the protection rod moves away from one side of the protection block, and thus the push switch can be pressed down. If the protection knob is not rotated, the push switch is pressed by accident or by mistake, the protection rod limits the protection block, and the switch cannot be moved and opened.

[0024] Embodiment 2

[0025] With reference to Figure 1The embodiment is based on the previous embodiment, and differs from the previous embodiment in that the inner side of the device body 1 is fixedly connected with a fixed support 2, the inner side of the fixed support 2 is slidingly connected with a control rod 3, one end of the control rod 3 is fixedly connected with a press switch 18, the end of the control rod 3 away from the press switch 18 is fixedly connected with a fixed ring 4, the outer side of the control rod 3 is sleeved with a damping spring 5, the damping spring 5 is a spring that is stretched by default, one end of the damping spring 5 is fixedly connected to the fixed ring 4, the other end of the damping spring 5 is fixedly connected to the fixed support 2, the end of the control rod 3 close to the damping spring 5 is fixedly connected with a protection block 6, the other end of the protection block 6 is fixedly connected with a pressing block 13, both sides of the control rod 3 close to the press switch 18 are fixedly connected with telescopic rods 7, the other end of the telescopic rod 7 is fixedly connected with a clamping block 8, the outer side of the telescopic rod 7 is sleeved with an adjusting spring 9, the adjusting spring 9 is in a state of being stretched by default, one end of the adjusting spring 9 is fixedly connected to the clamping block 8, the other end of the adjusting spring 9 is fixedly connected to the control rod 3, the end of the device body 1 close to the clamping block 8 is fixedly connected with a limiting ring 10, one side of the limiting ring 10 is provided with a clamping groove 11, both sides of the clamping groove 11 are provided with reset grooves 12, the end of the device body 1 close to the pressing block 13 is fixedly connected with a micro switch body 14, the other end of the micro switch body 14 is fixedly connected with a closing controller 15, one side of the micro switch body 14 close to the pressing block 13 is fixedly connected with an elastic sheet 16, one side of the micro switch body 14 close to the elastic sheet 16 is fixedly connected with a micro switch button 17; after the rotation protection knob is rotated, the press switch is pressed, the press switch drives the control rod to move, the control rod drives the protection block to move, the protection block drives the pressing block to move, the pressing block presses the elastic sheet, the elastic sheet presses the micro switch button, the micro switch body receives the signal, the micro switch body transmits the signal to the closing controller, the closing controller is closed, and the control rod drives the telescopic rod and the clamping block to move at the same time; when the pressing block presses the elastic sheet, the clamping block is clamped into the clamping groove of the limiting ring; when it is necessary to close the closing controller, the press switch is rotated, so that the clamping block is released from the reset groove of the limiting ring, the damping spring releases the elastic force, drives the control rod to reset, the control rod drives the press switch to reset, and the control rod releases the pressing of the micro switch body by the pressing block, so that the closing controller is closed; after the protection block is reset, the torsional spring drives the protection rod to be clamped into one side of the protection block again to limit.

[0026] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0027] Furthermore, it should be understood that although the present specification describes exemplary embodiments, not every embodiment contains only one independent technical solution, and the present specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that a person skilled in the art can understand.

Claims

1. A closing lockout device for a switching device, comprising a device body (1), characterized in that, The device body (1) is rotatably connected with a rotating rod (19), one end of the rotating rod (19) is fixedly connected with a protection knob (20), the other end of the rotating rod (19) is fixedly connected with a protection rod (21), the device body (1) is fixedly connected with a fixed limiting block (22) close to the rotating rod, the rotating rod (19) is rotatably connected to the inner side of the fixed limiting block (22), the outer side of the rotating rod (19) is sleeved with a torsion spring (23), one end of the torsion spring (23) is fixedly connected to the fixed limiting block (22), the other end of the torsion spring (23) is fixedly connected to the protection rod (21).

2. A closing lockout device for a switchgear according to claim 1, characterized in that The inner side of the device body (1) is fixedly connected with a fixed support (2), the inner side of the fixed support (2) is slidably connected with a control rod (3), one end of the control rod (3) is fixedly connected with a press switch (18), the end of the control rod (3) away from the press switch (18) is fixedly connected with a fixed ring (4).

3. A closing lockout device for a switchgear according to claim 2, characterized in that The outer side of the control rod (3) is sleeved with a damping spring (5), the damping spring (5) is a spring that is stretched by default, one end of the damping spring (5) is fixedly connected to the fixed ring (4), the other end of the damping spring (5) is fixedly connected to the fixed support (2).

4. A closing lockout device for a switchgear according to claim 2, characterized in that The end of the control rod (3) close to the damping spring (5) is fixedly connected with a protection block (6), the other end of the protection block (6) is fixedly connected with a pressing block (13).

5. A closing lockout device for a switchgear according to claim 2, characterized in that, The two sides of the control rod (3) close to the press switch (18) are fixedly connected with telescopic rods (7), the other end of the telescopic rod (7) is fixedly connected with a clamping block (8), the outer side of the telescopic rod (7) is sleeved with an adjusting spring (9), the adjusting spring (9) is in a state of being stretched by default, one end of the adjusting spring (9) is fixedly connected to the clamping block (8), the other end of the adjusting spring (9) is fixedly connected to the control rod (3).

6. A closing lockout device for a switchgear according to claim 1, characterized in that, The device body (1) is fixedly connected with a limiting ring (10) close to the clamping block (8), one side of the limiting ring (10) is provided with a clamping groove (11), the two sides of the clamping groove (11) are provided with reset grooves (12).

7. A closing lockout device for a switchgear according to claim 1, characterized in that, The end of the device body (1) close to the pressing block (13) is fixedly connected with a micro switch body (14), the other end of the micro switch body (14) is fixedly connected with a closing controller (15).

8. A closing lockout device for a switchgear according to claim 7, characterized in that One side of the micro switch body (14) close to the pressing block (13) is fixedly connected with an elastic sheet (16), one side of the micro switch body (14) close to the elastic sheet (16) is fixedly connected with a micro switch button (17).

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