CN220439450U - Locking device - Google Patents

Abstract

The present application provides a lockout device, the device comprising: the locking part is in contact with the fixing part; the locking part comprises a circular ring, a circular ring base, a first limiting plate, a second limiting plate and an abutting block; the fixing part comprises a fixing column and an abutting plate; the circular ring base is a cylinder, a first connecting hole is formed in the side face of the circular ring base, and the circular ring is connected with the circular ring base through the first connecting hole; the side surface of the circular ring base is provided with a fixing hole, and the first limiting plate is connected with the circular ring base through the fixing hole; the first limiting plate is rotationally connected with the second limiting plate, and the second limiting plate is connected with the abutting block; the abutting plate is arranged on the fixed column to solve the problem that the grounding switch is easy to operate by mistake in the switching state process.

Description

Locking device

Technical Field

The present application relates to the field of power assistance, and in particular, to a locking device.

Background

In a 10kV distribution network system, isolating switches are arranged on two sides of an intelligent circuit breaker, isolating switches are additionally arranged at the T-junction of a branch line of a station, in the actual working process, the isolating switches on two sides of the intelligent circuit breaker or the T-junction of the branch line of the station are additionally provided with grounding switch functions, in some embodiments, operators can switch states by utilizing a switching knife board when an operation line is changed into an overhaul state, pull the isolating switches open to be in a line cold standby state, and after the grounding switch is closed again, the line is in the overhaul state, so that the line can be quickly subjected to overhaul and power failure operation, but according to the rule of safety, the operation state can not be directly switched from the overhaul state to the operation state when the state is switched, and the operation state is in a cold standby state, and the switching knife board can not be fixed, thereby easily causing the problem of misoperation.

Disclosure of Invention

The application provides a locking device to solve the problem that the grounding switch is easy to operate by mistake in the switching state process.

To solve the above-mentioned problem, the present application provides a locking device, including: the locking part is in contact with the fixing part; the locking part comprises a circular ring, a circular ring base, a first limiting plate, a second limiting plate and an abutting block; the fixing part comprises a fixing column and an abutting plate; the circular ring base is a cylinder, a first connecting hole is formed in the side face of the circular ring base, and the circular ring is connected with the circular ring base through the first connecting hole; the end face of the circular ring base is provided with a fixing hole, and the first limiting plate is connected with the circular ring base through the fixing hole; the first limiting plate is rotationally connected with the second limiting plate, and the second limiting plate is connected with the abutting block; the abutting plate is arranged on the fixed column.

When the fixing part is required to be locked, the circular ring is rotated to enable the abutting block to rotate out of the second limiting plate, at the moment, the abutting block protrudes out of the second limiting plate, and when the abutting plate abuts against the abutting block, the locking effect can be achieved; similarly, when the locking of the fixed plate is required to be released, the ring is rotated, so that the abutting block is contracted into the second limiting plate, at this time, the end of the abutting block is flush with the end of the second limiting plate, or the end of the abutting block is lower than the end of the second limiting plate, the abutting block cannot be blocked, and the fixed part is not blocked, so that the unlocking is completed.

Optionally, the device further includes a spring, a second connection hole is formed in the second limiting plate, the spring is disposed in the second connection hole, one end of the spring abuts against the first limiting plate, and the other end of the spring abuts against the abutting block.

Through setting up the spring in the second limiting plate, when the ring drives first limiting plate rotates, the spring is compressed or released to reach the effect that makes the butt piece spring up or shrink.

Optionally, the device further includes a fixing bolt, the surfaces of the first limiting plate and the second limiting plate are provided with external threads, and the fixing bolt is rotationally connected with the external threads.

The fixing bolt can facilitate the cooperation of the device and other devices.

Optionally, the device further comprises a base, and the two fixing bolts are connected with the base.

Optionally, the first limiting plate, the second limiting plate and the abutting plate are cylinders, and the outer diameters of the first limiting plate and the abutting plate are smaller than or equal to the inner diameter of the second limiting plate.

The external diameter of the first limiting plate is smaller than or equal to the internal diameter of the second limiting plate, the first limiting plate can be connected with the second limiting plate in a rotating mode, the spring is controlled better, the external diameter of the abutting plate is smaller than or equal to the internal diameter of the second limiting plate, and the abutting plate can be contracted to the inside of the second limiting plate.

Optionally, the cross-sectional shape of butt board is the rectangle, the length of butt board is equal with the height of fixed column, can increase like this the butt board contact the area of butt piece makes the shutting easier.

Optionally, the abutting plate and the fixing column are integrally formed, and the fixing part is firmer by the integral forming.

Optionally, the device further comprises a rotating rod, a third connecting hole is formed in the fixed column, and the rotating rod is connected with the third connecting hole; the rotating rod can conveniently drive the fixed part to rotate.

According to the above technical solution, the present application provides a locking device, which includes: the locking part is in contact with the fixing part; the locking part comprises a circular ring, a circular ring base, a first limiting plate, a second limiting plate and an abutting block; the fixing part comprises a fixing column and an abutting plate; the circular ring base is a cylinder, a first connecting hole is formed in the side face of the circular ring base, and the circular ring is connected with the circular ring base through the first connecting hole; the side surface of the circular ring base is provided with a fixing hole, and the first limiting plate is connected with the circular ring base through the fixing hole; the first limiting plate is rotationally connected with the second limiting plate, and the second limiting plate is connected with the abutting block; the abutting plate is arranged on the fixed column to solve the problem that the grounding switch is easy to operate by mistake in the switching state process.

Drawings

In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic diagram of a latch mechanism according to an exemplary embodiment;

fig. 2 is a schematic view of a latch structure according to another exemplary embodiment.

Illustration of:

the device comprises a 100-circular ring, a 200-circular ring base, 300-fixing bolts, 420-first limiting plates, 410-second limiting plates, 500-abutting blocks, 600-fixing columns, 610-third connecting holes and 620-abutting plates.

Detailed Description

Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The embodiments described in the examples below do not represent all embodiments consistent with the present application. Merely as examples of systems and methods consistent with some aspects of the present application as detailed in the claims.

In a 10kV distribution network system, isolating switches are arranged on two sides of an intelligent circuit breaker, isolating switches are additionally arranged at the T-junction of a branch line of a station, in the actual working process, the isolating switches on two sides of the intelligent circuit breaker or the T-junction of the branch line of the station are additionally provided with grounding switch functions, in some embodiments, operators can switch states by utilizing a switching knife board when an operation line is changed into an overhaul state, pull the isolating switches open to be in a line cold standby state, and after the grounding switch is closed again, the line is in the overhaul state, so that the line can be quickly subjected to overhaul and power failure operation, but according to the rule of safety, the operation state can not be directly switched from the overhaul state to the operation state when the state is switched, and the operation state is in a cold standby state, and the switching knife board can not be fixed, thereby easily causing the problem of misoperation.

In order to solve the above-mentioned problems, referring to fig. 1, fig. 1 is a schematic structural view of a locking device according to an exemplary embodiment, and an embodiment of the present application provides a locking device, including: the locking part is abutted with the fixing part, and the locking part is abutted with the fixing part in an abutting or contact way so as to achieve the locking or unlocking effect; the locking part comprises a circular ring 100, a circular ring base 200, a first limiting plate 420, a second limiting plate 410 and an abutting block 500; the fixing portion includes a fixing post 600 and an abutment plate 620; the ring base 200 is a cylinder, a first connecting hole is formed in the side face of the ring base 200, and the ring 100 is connected with the ring base 200 through the first connecting hole; in some embodiments, the first connecting hole may be a through hole, two ends of the ring 100 are connected to form a closed loop structure, and a radius of the first connecting hole may be greater than or equal to a radius of a cross-section circle of the ring 100. In other embodiments, the first connecting holes are not through holes, the number of the first connecting holes is two, the two first connecting holes are symmetrically arranged, two ends of the circular ring 100 are respectively inserted into the two first connecting holes, and for better connection, the radius of the first connecting holes is equal to the radius of the circular cross section of the circular ring 100. However, it is understood that, whether the first connecting hole is a through hole or not, the ring base 200 may be driven by rotating the ring 100.

The end surface of the ring base 200 is provided with a fixing hole, and it is understood that the fixing hole is disposed on the end surface of the ring base 200 far away from the ring 100, the first limiting plate 420 is connected with the ring base 200 through the fixing hole, and in some embodiments, the first limiting plate 420, the second limiting plate 410 and the abutting block 500 are all cylinders, and the outer diameters of the first limiting plate 420 and the abutting block 500 are smaller than or equal to the inner diameter of the second limiting plate 410. For example: the inner diameter of the second limiting plate 410 is 8cm, and then the outer diameter of the first limiting plate 420 and the inner diameter of the abutting block 500 are smaller than or equal to 8cm, the first limiting plate 420 is rotationally connected with the second limiting plate 410, and the second limiting plate 410 is connected with the abutting block 500.

For example, when the ring 100 is rotated, the ring 100 drives the ring base 200, the ring base 200 drives the first limiting plate 420, so that the first limiting plate 420 drives the second limiting plate 410 to rotate, an external thread is disposed at one end of the surface of the first limiting plate 420 connected to the second limiting plate 410, an internal thread is disposed at one end of the second limiting plate 410 connected to the first limiting plate 420, and the external thread of the first limiting plate 420 is rotationally connected to the internal thread of the second limiting plate 410, so that the second limiting plate 410 can be driven to rotate when the first limiting plate 420 rotates.

The abutment plates 620 are disposed on the fixing columns 600, when the grounding switch is used, three states need to be fixed in the process of switching the states of the switching knife board, and correspondingly, in some embodiments, the number of the abutment plates 620 may be three, and the three abutment plates 620 respectively correspond to the three states of the switching knife board, so as to play a better locking role. It will be appreciated that the number of abutment plates 620 may be set according to the latching requirements when performing latching operations on other devices. In order to facilitate connection and disassembly of the abutting plate 620, the abutting plate 620 and the fixing column 600 can be connected in a detachable mode, a slide rail is arranged on the abutting plate 620 through the slide rail arranged on the fixing column 600, and the slide rail is matched with the slide rail to play a detachable role, so that the number of the abutting plates 620 can be flexibly set according to requirements.

In some embodiments, the device further includes a spring, the second limiting plate 410 is provided with a second connecting hole, the spring is disposed in the second connecting hole, one end of the spring abuts against the first limiting plate 420, and the other end of the spring abuts against the abutting block 500. In some embodiments, to facilitate compression or release of the spring, as mentioned above, by providing internal threads in the second limiting plate 410, internal threads are not provided in the second limiting plate 410 where the spring is placed, and internal threads are provided only at the end connected to the first limiting plate 420 and the abutment plate 620, for example: the length of the second limiting plate 410 is 5cm, the length of the second limiting plate 410 connected with the first limiting plate 420 is 1.5cm, and the length of the second limiting plate 410 connected with the abutting plate 620 is also 1.5cm, so that no internal thread is arranged in the remaining 2cm, and the spring is not blocked by the internal thread and can be smoothly compressed or released.

In the locking process, the rotation direction of the second limiting plate 410 and the compression or release of the spring can be preset, in this embodiment, when the second limiting plate 410 rotates rightwards, the spring is released, and as the number of the released joints of the spring increases, the more the spring makes the height of the abutting block 500 extend out of the second limiting plate 410, and when the abutting block 500 can fix the abutting plate 620, the rotation of the ring 100 can be stopped. In order to prevent the falling down after the abutting block 500 is fully extended in the process of extending, a telescopic rod can be arranged between the abutting block 500 and the first limiting plate 420, when the abutting block 500 extends out of the second limiting plate 410, the telescopic rod is lengthened, when the abutting block 500 is contracted to the second limiting plate 410, the telescopic rod is shortened, and when the spring is fully released, the abutting block 500 can be connected with the first limiting plate 420 through the telescopic rod and cannot fall down.

Referring to fig. 2, fig. 2 is a schematic view illustrating a locking device according to another exemplary embodiment, and in some embodiments, the device further includes a fixing bolt 300, and the surfaces of the first and second limiting plates 420 and 410 are provided with external threads, and the fixing bolt 300 is rotatably connected with the external threads. The device further comprises a base, wherein the two fixing bolts 300 are connected with the base, the base can be of an L-shaped structure, one end of the base is connected with the locking part, the other end of the base is connected with the fixing part, and the locking parts are connected through the fixing bolts 300. The base can be provided with holes, the fixing part is connected with the base through the holes, and locking can be completed through cooperation.

For example, two ends of the base may be defined as a first end and a second end, the locking portion is disposed on the first end, and the fixing portion is disposed on the second end, so that it can be seen that the locking portion is perpendicular to the fixing portion. In some embodiments, the apparatus further includes a rotation rod, and the fixing post 600 is provided with a third connection hole 610, and the rotation rod is connected to the third connection hole 610.

In a 10kV distribution network system, isolating switches are arranged on two sides of an intelligent circuit breaker, isolating switches are additionally arranged at the positions of a station transformer branch T, in the actual working process, on the isolating switches on two sides of the intelligent circuit breaker or the isolating switches at the positions of the station transformer branch T, in some embodiments, a grounding switch function is additionally arranged, an operator can switch states by utilizing a switching knife board when an operation line is changed into an overhaul state, the switching knife board can be connected with the switching knife board by utilizing a rotating rod, when the states of the switching knife board are required to be fixed, namely, when the positions of the transmission rod are required to be fixed, the ring 100 is rotated, so that the abutting block 500 rotates from the second limiting plate 410, at the moment, the abutting block 500 protrudes out of the second limiting plate 410, and when the abutting plate 620 abuts against the abutting block 500, the locking effect can be achieved, and at the moment, the switching knife board can be in a fixed state; similarly, when the state of the switching blade needs to be adjusted, the ring 100 is rotated again to retract the abutting block 500 into the second limiting plate 410, at this time, the end of the abutting block 500 is flush with the end of the second limiting plate 410, or the end of the abutting block 500 is lower than the end of the second limiting plate 410, the abutting block 500 cannot be blocked, and the fixing part is not blocked, at this time, the state of the switching blade can be switched.

In order to stabilize the abutment of the abutment block 500 with the abutment plate 620 during the locking process and also to facilitate the abutment of the abutment block 500 with the abutment plate 620, in some embodiments, the cross-sectional shape of the abutment plate 620 is rectangular, the length of the abutment plate 620 is equal to the height of the fixing post 600, and, for example, the height of the fixing post 600 is 10cm and the length of the abutment plate 620 is also 10cm. To make the connection between the abutment plate 620 and the fixing post 600 stronger, in some embodiments, the abutment plate 620 is integrally formed with the fixing post 600. Rounded corners may be provided at the connection of the abutment plate 620 and the fixing post 600 to make the connection more stable.

According to the above technical solution, an embodiment of the present application provides a locking device, including: the locking part is in butt joint with the fixing part; the locking part comprises a circular ring 100, a circular ring base 200, a first limiting plate 420, a second limiting plate 410 and an abutting block 500; the fixing portion includes a fixing post 600 and an abutment plate 620; the ring base 200 is a cylinder, a first connecting hole is formed in the side face of the ring base 200, and the ring 100 is connected with the ring base 200 through the first connecting hole; the side surface of the circular ring base 200 is provided with a fixing hole, and the first limiting plate 420 is connected with the circular ring base 200 through the fixing hole; the first limiting plate 420 is rotationally connected with the second limiting plate 410, and the second limiting plate 410 is connected with the abutting block 500; the abutment plate 620 is disposed on the fixing post 600 to solve the problem that the grounding switch is easy to operate by mistake during the switching process.

The foregoing detailed description of the embodiments is merely illustrative of the general principles of the present application and should not be taken in any way as limiting the scope of the utility model. Any other embodiments developed in accordance with the present application without inventive effort are within the scope of the present application for those skilled in the art.

Claims (8)

1. A lockout device, comprising: the locking part is in contact with the fixing part;

the locking part comprises a circular ring (100), a circular ring base (200), a first limiting plate (420), a second limiting plate (410) and an abutting block (500); the fixing part comprises a fixing column (600) and an abutting plate (620);

the circular ring base (200) is a cylinder, a first connecting hole is formed in the side face of the circular ring base (200), and the circular ring (100) is connected with the circular ring base (200) through the first connecting hole;

the end face of the circular ring base (200) is provided with a fixing hole, and the first limiting plate (420) is connected with the circular ring base (200) through the fixing hole;

the first limiting plate (420) is rotationally connected with the second limiting plate (410), and the second limiting plate (410) is connected with the abutting block (500);

the abutting plate (620) is arranged on the fixing column (600).

2. The locking device according to claim 1, further comprising a spring, wherein a second connecting hole is formed in the second limiting plate (410), the spring is disposed in the second connecting hole, one end of the spring abuts against the first limiting plate (420), and the other end of the spring abuts against the abutting block (500).

3. The locking device according to claim 1, characterized in that the device further comprises a fixing bolt (300), the surfaces of the first limiting plate (420) and the second limiting plate (410) are provided with external threads, and the fixing bolt (300) is rotatably connected with the external threads.

4. A locking device according to claim 3, characterized in that the device further comprises a base, to which two of the fixing bolts (300) are connected.

5. The locking device according to claim 1, wherein the first limiting plate (420), the second limiting plate (410) and the abutment block (500) are cylindrical, and the outer diameters of the first limiting plate (420) and the abutment block (500) are smaller than or equal to the inner diameter of the second limiting plate (410).

6. The locking device according to claim 1, characterized in that the cross-sectional shape of the abutment plate (620) is rectangular, the length of the abutment plate (620) being equal to the height of the fixing post (600).

7. The lockout device of claim 6, wherein the abutment plate (620) is integrally formed with the fixing post (600).

8. The locking device according to claim 1, further comprising a rotating rod, wherein a third connecting hole (610) is provided on the fixed column (600), and the rotating rod is connected with the third connecting hole (610).