CN216928374U - Operating handle locking device for three-station operating mechanism of inflating cabinet - Google Patents
Operating handle locking device for three-station operating mechanism of inflating cabinet Download PDFInfo
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- CN216928374U CN216928374U CN202220198493.4U CN202220198493U CN216928374U CN 216928374 U CN216928374 U CN 216928374U CN 202220198493 U CN202220198493 U CN 202220198493U CN 216928374 U CN216928374 U CN 216928374U
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Abstract
The utility model belongs to the technical field of electrical equipment, and discloses an operating handle locking device for a three-station operating mechanism of an inflatable cabinet, which comprises a fixed bent plate fixed on the operating mechanism, wherein a manual operating hole is formed in the fixed bent plate; one side of the end part of the transition bent plate, which is far away from the fixed bent plate, is provided with a roller, and the roller is matched with a driving locking plate; the driving locking plate is of a disc-shaped structure, and bosses and grooves are arranged at intervals on the outer edge of the driving locking plate; the utility model has small volume, simple and compact structure and high reliability.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, relates to a locking device, and particularly relates to an operating handle locking device for a three-station operating mechanism of an inflatable cabinet.
Background
In medium-voltage gas-insulated switchgear (C-GIS), a three-position disconnector is one of the essential main components; due to structural requirements, a main loop part of the three-position isolating switch is usually arranged inside the air chamber, and the three-position operating mechanism is arranged outside the air chamber; for the three-station operating mechanism, the three-station operating mechanism is electrically operated in most scenes such as field inspection, field operation and the like, and generally, manual operation is adopted only when power is not supplied or a circuit system fails, so that at present, many manufacturers in the industry do not consider the influence caused by careless pulling out of a handle in the process of manually rotating the handle; in the manual operation process, the handle is often required to be rotated for tens of circles to operate from a working position to other positions, and if the handle can be pulled out in the manual operation process, the three-position isolating switch is located at an uncertain non-working position, and direct electric control cannot be realized or new risks are caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide the operating handle locking device for the three-position operating mechanism of the inflatable cabinet, which has the advantages of small volume, simple and compact structure and high reliability.
In order to achieve the purpose, the utility model adopts the following technical scheme: an operation handle locking device for a three-station operating mechanism of an inflatable cabinet comprises a fixed bent plate fixed on the operating mechanism, wherein a manual operation hole is formed in the fixed bent plate, an installation long hole is also formed in the fixed bent plate, and the fixed bent plate is connected with a transition bent plate through the installation long hole; one side of the end part of the transition bent plate, which is far away from the fixed bent plate, is provided with a roller, and the roller is matched with a driving locking plate; the driving locking plate is of a disc-shaped structure, and bosses and grooves are arranged at intervals on the outer edge of the driving locking plate.
Furthermore, the fixed bent plate is of a plate-shaped structure, one end of the fixed bent plate, which is in contact with the transition bent plate, is bent downwards to form an L shape, the transition bent plate is vertically arranged, the end part, which is far away from the fixed bent plate, of the transition bent plate is bent towards one side to form the L shape, and the bent end part is provided with a roller; the upper part of the transition bent plate is provided with an arc-shaped groove matched with the manual operation hole.
Furthermore, an installation round hole is formed in the end part, far away from the transition bent plate, of the fixed bent plate, a fixing bolt penetrates through the installation round hole, the fixed bent plate is fixed on the operating mechanism through the fixing bolt, and an obliquely arranged tension spring is arranged between the fixed bent plate and the transition bent plate; the fixed bent plate and the transition bent plate are provided with matched installation long holes, fixing bolts penetrate through the installation long holes horizontally arranged and arranged in the installation long holes, and the fixing bolts penetrate through the installation long holes arranged in the fixed bent plate and the transition bent plate and then are connected to the operating mechanism.
Furthermore, one end of a tension spring is fixed at the end part of the fixed bent plate far away from the transition bent plate, the other end of the tension spring is fixed on the transition bent plate, and the end part of the tension spring fixed on the transition bent plate is lower than the other end of the tension spring.
Further, the bent end of the transition bent plate is vertically provided with an installation position for installing the roller.
Furthermore, the operating handle stretches into the manual operating hole, the front end of the operating handle penetrates through the manual operating hole, and the diameter of the front end of the operating handle is larger than that of the rear end of the operating handle.
Compared with the prior art, the utility model has the following beneficial effects: the utility model has small volume, simple and compact structure and high reliability, and the operation handle can be pulled out only by manual operation to one of three determined positions (namely an isolation closed position, an isolation position and a grounding closed position).
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the structure of the driving locking plate;
FIG. 4 is a schematic structural view of a transition bending plate;
FIG. 5 is a schematic structural view of a fixed flexural plate;
fig. 6 is a schematic structural view of the operating handle.
The locking device comprises a driving locking plate 1, a roller 2, a transition bent plate 3, a tension spring 4, a fixing bent plate 5, a fixing bolt 6, a groove 7, a boss 8, an installation round hole 9, a manual operation hole 10, an installation long hole 11, an operation handle front end 12 and an operation handle rear end 13.
Detailed Description
An operation handle locking device for a three-station operating mechanism of an inflatable cabinet is shown in figures 1-6 and comprises a fixed bent plate 5 fixed on the operating mechanism, wherein a manual operation hole 10 is formed in the fixed bent plate 5, an installation long hole 11 is further formed in the fixed bent plate 5, and the fixed bent plate 5 is connected with a transition bent plate 3 through the installation long hole 11; one side of the end part of the transition bent plate 3, which is far away from the fixed bent plate 5, is provided with a roller 2, and the roller 2 is matched with a driving locking plate 1; the driving locking plate 1 is of a disc-shaped structure, and bosses 8 and grooves 7 are arranged at intervals on the outer edge of the driving locking plate 1; the fixed bent plate 5 is of a plate-shaped structure, one end of the fixed bent plate, which is in contact with the transition bent plate 3, is bent downwards to form an L shape, the transition bent plate 3 is vertically arranged, the end part, which is far away from the fixed bent plate 5, of the transition bent plate 3 is bent towards one side to form the L shape, and the bent end part is provided with a roller 2; the upper part of the transition bent plate 3 is provided with an arc-shaped groove matched with the manual operation hole 10.
The end part of the fixed bent plate 5, far away from the transition bent plate 3, is provided with a pair of mounting round holes 9, the mounting round holes 9 are arranged up and down, fixing bolts 6 penetrate through the mounting round holes 9, the fixed bent plate 5 is fixed on the operating mechanism through the fixing bolts 6, and an obliquely arranged tension spring 4 is arranged between the fixed bent plate 5 and the transition bent plate 3; the matched parts of the fixed bent plate 5 and the transition bent plate 3 are provided with matched installation long holes 11, the installation long holes 11 are horizontally arranged, fixing bolts 6 penetrate through the installation long holes 11, a pair of installation long holes 11 which are vertically arranged are arranged on the fixed bent plate 5 and the transition bent plate 3, the fixing bolts 6 penetrate through the installation long holes 11 arranged on the fixed bent plate 5 and the transition bent plate 3 and then are connected to an operating mechanism, and the transition bent plate 3 can rotate in a small degree; one end of a tension spring 4 is fixed at the end part of the fixed bent plate 5 far away from the transition bent plate 3, the other end of the tension spring is fixed on the transition bent plate 3, and the end part of the tension spring 4 fixed on the transition bent plate 3 is lower than the other end; the bent end part of the transition bent plate 3 is vertically provided with a mounting position for mounting the roller 2; the operating handle extends into the manual operating hole 10, the front end 12 of the operating handle penetrates through the manual operating hole 10, and the diameter of the front end 12 of the operating handle is larger than that of the rear end 13 of the operating handle.
Fig. 1 is a schematic structural diagram of the three-position operating mechanism in an unlocking state when the three-position operating mechanism is in a working position, in which a manual operation hole 10 on the fixed bending plate 5 is completely exposed, and an operation handle of the three-position operating mechanism can be inserted into the manual operation hole 10; FIG. 2 is a schematic structural view of the locking state, when the operating handle is rotated clockwise/counterclockwise by hand, the driving relation is transmitted to the driving locking plate 1 through the three-position operating mechanism, the groove 7 on the driving locking plate 1 leaves the roller 2 installed on the transition bending plate 3, the boss 8 on the driving locking plate 1 clings to the roller 2 to move, and then the transition bending plate 3 is driven to move counterclockwise/clockwise by a certain angle under the action of the tension spring 4, before the next groove 7 on the driving locking plate 1 is not contacted with the roller 2, a small part of the rear part of the manual operating hole 10 on the fixed bending plate 5 is shielded by the arc-shaped groove on the transition bending plate 3, because the outer diameter of the front end 12 of the operating handle is larger than the outer diameter of the rear end 13 of the operating handle, and when the manual operating hole 10 is shielded, the rear end 13 of the operating handle can rotate normally and the front end 12 of the operating handle can not pass through, so the operating handle of the mechanism can not be pulled out of the manual operating hole 10, only when the operation is continued to one of the three determined positions (the isolation position, the isolation position and the grounding position), the next groove 7 on the driving lock plate 1 is just in full contact with the roller 2, the manual operation hole 10 on the fixed bent plate 5 is completely exposed again, and the operation handle can be pulled out.
Claims (5)
1. An operation handle locking device for a three-station operating mechanism of an inflatable cabinet is characterized by comprising a fixed bent plate fixed on the operating mechanism, wherein a manual operation hole is formed in the fixed bent plate; one side of the end part of the transition bent plate, which is far away from the fixed bent plate, is provided with a roller, and the roller is matched with a driving locking plate; the driving locking plate is of a disc-shaped structure, and bosses and grooves are arranged at intervals on the outer edge of the driving locking plate.
2. The operating handle locking device according to claim 1, wherein the fixed bent plate is of a plate-like structure and one end of the fixed bent plate, which is in contact with the transition bent plate, is bent downward to form an L-shape, the transition bent plate is vertically arranged, the end of the transition bent plate, which is away from the fixed bent plate, is bent to one side to form an L-shape, and the bent end is provided with a roller; the upper part of the transition bent plate is provided with an arc-shaped groove matched with the manual operation hole.
3. The operating handle locking device according to claim 2, wherein the end of the fixed bent plate away from the transition bent plate is provided with a mounting round hole, a fixing bolt penetrates through the mounting round hole, the fixed bent plate is fixed on the operating mechanism through the fixing bolt, and an obliquely arranged tension spring is arranged between the fixed bent plate and the transition bent plate; the fixed bent plate and the transition bent plate are provided with matched installation long holes, fixing bolts penetrate through the installation long holes horizontally arranged and arranged in the installation long holes, and the fixing bolts penetrate through the installation long holes arranged in the fixed bent plate and the transition bent plate and then are connected to the operating mechanism.
4. The operating handle locking device according to claim 3, wherein the tension spring is fixed at one end to the end of the fixed bent plate away from the transition bent plate and at the other end to the transition bent plate, the end of the tension spring fixed to the transition bent plate being lower than the other end.
5. The operating handle locking device according to claim 4, wherein the bent end of the transition bent plate is vertically provided with a mounting position for mounting a roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198493.4U CN216928374U (en) | 2022-01-25 | 2022-01-25 | Operating handle locking device for three-station operating mechanism of inflating cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220198493.4U CN216928374U (en) | 2022-01-25 | 2022-01-25 | Operating handle locking device for three-station operating mechanism of inflating cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216928374U true CN216928374U (en) | 2022-07-08 |
Family
ID=82265574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220198493.4U Active CN216928374U (en) | 2022-01-25 | 2022-01-25 | Operating handle locking device for three-station operating mechanism of inflating cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216928374U (en) |
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2022
- 2022-01-25 CN CN202220198493.4U patent/CN216928374U/en active Active
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