CN217061968U

CN217061968U - Interlocking mechanism and switch cabinet

Info

Publication number: CN217061968U
Application number: CN202123272897.8U
Authority: CN
Inventors: 韩福亮; 孙文艺; 李勇; 王忠宇; 王永祥
Original assignee: Guangdong Mingyang Electric Co ltd
Current assignee: Guangdong Mingyang Electric Co ltd
Priority date: 2021-12-22
Filing date: 2021-12-22
Publication date: 2022-07-26
Anticipated expiration: 2031-12-22

Abstract

The utility model discloses an interlock mechanism and cubical switchboard. The interlocking mechanism comprises an operating part, wherein the operating part is arranged on the circuit breaker and is provided with a combining part; the locking assembly is arranged on the circuit breaker and comprises a clutch piece, and the clutch piece is used for being combined with or separated from the combining part; the driving piece is arranged on the inner side wall of the door panel of the breaking chamber; when the door plate of the circuit breaker is closed, the driving piece can drive the clutch piece to be separated from the combining part; when the door plate of the breaking chamber is opened, the clutch can move to be combined with the combining part. The interlocking mechanism of above structure, simple structure, convenient operation can only operate the circuit breaker and shake in or shake out, safe and reliable after guaranteeing that the breaking chamber closes the door. The switch cabinet comprises the interlocking mechanism, and the switch cabinet can operate the circuit breaker to swing in or out in a state that the door of the breaking chamber is closed, so that the switch cabinet is safe and reliable.

Description

Interlocking mechanism and switch cabinet

Technical Field

The utility model relates to a technical field of cubical switchboard especially relates to an interlocking mechanism and cubical switchboard.

Background

The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of a power system. In practical use, it is important to provide interlocks between different components of the switchgear cabinet, for example between the door panel of the breaking room and the circuit breaker, in order to ensure the personal safety of the personnel in maintenance and inspection.

Specifically, when the door panel of the breaker chamber is opened, the breaker cannot be swung in or out, so that casualties are easily caused when the breaker breaks down. For this purpose, it is necessary to provide an interlock device which makes it necessary to operate the circuit breaker with the breaking chamber closed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an interlock mechanism, simple structure, convenient operation can only operate the circuit breaker and shake into or out, safe and reliable after guaranteeing that the circuit breaker room closes the door.

The utility model also discloses a cubical switchboard can just can operate the circuit breaker under the state of closing the door of circuit breaker and shake into or shake out, safe and reliable.

According to the utility model discloses an interlock mechanism of first aspect embodiment includes: the operating piece is arranged on the circuit breaker and provided with a combining part; the locking assembly is arranged on the circuit breaker and comprises a clutch piece, and the clutch piece is used for being combined with or separated from the combining part; the driving piece is arranged on the inner side wall of the door plate of the circuit breaking chamber; when the circuit breaker door plate is closed, the driving piece can drive the clutch piece to be separated from the combining part; when the breaking chamber door panel is opened, the clutch can move to be combined with the combining part.

According to the embodiment of the utility model discloses interlocking device has following beneficial effect at least, after the circuit breaker door plant is opened, the clutch spare combines with the combining part all the time. When the door plate of the circuit breaking chamber is closed, the door plate of the circuit breaking chamber drives the driving piece to drive the clutch piece to exit from the combining part, so that the operating piece can be pressed again and the like, and the circuit breaker can be controlled to shake in or out. After the door plate of the breaking chamber is opened, the clutch piece resets and is combined with the combining part again, and the operation piece cannot be operated. The setting of locking subassembly for opening and closing down at the room door plant that opens circuit, the cooperation under clutch spare and the joint portion exist different states, simple structure, convenient operation can just can operate the circuit breaker and shake into or shake out after guaranteeing that the room that opens circuit closes the door, safe and reliable.

In some embodiments of the utility model, the clutch is the member, the member is kept away from the one end of joint portion is provided with column portion, column portion follows the axial slip of member is located the circuit breaker when the breaking room door plant is closed, the driving piece order about with column portion is kept away from the operating parts slides, so that the member is kept away from the joint portion, be equipped with the elastic component on the member when the breaking room door plant is opened, the elastic component can drive the member with the joint portion combines.

In some embodiments of the present invention, the rod is provided with a limiting component for limiting the motion stroke of the rod.

The utility model discloses an in some embodiments, spacing subassembly includes installing frame and spacing portion, the installing frame set firmly in the circuit breaker, the installing frame is equipped with first hem portion, first hem portion is equipped with the confession the perforation that the member wore to establish, spacing portion is located the outer wall of member and with first hem portion is relative, the both ends of elastic component respectively the butt in first hem portion with spacing portion.

In some embodiments of the present invention, the rod is provided with a pin hole, and the limiting portion is a pin penetrating through the pin hole.

The utility model discloses an in some embodiments, the installing frame be equipped with the relative second flange portion of first flange portion, second flange portion is equipped with the non-circular through-hole, the member is kept away from the one end of column portion be equipped with through-hole assorted pole portion of contracting, pole portion of contracting wears to locate the through-hole and moves towards the joint portion, pole portion of contracting be equipped with can with the butt portion of the inner wall looks butt of second flange portion.

In some embodiments of the present invention, the driving member is provided with an inclined plane portion capable of being abutted against the outer wall of the columnar portion, from the bottom of the inclined plane portion to the top of the inclined plane portion, and the inclined plane portion faces the direction inclination of the columnar portion.

In some embodiments of the present invention, the top of the inclined plane portion is provided with an arc transition section.

The utility model discloses an in some embodiments, the column portion is connected with the connecting axle, the member is equipped with the confession the mounting hole that the connecting axle was worn to establish, the top of connecting axle is equipped with the pressure board portion, the member is equipped with two plane portions of carrying on the back mutually, two plane portion respectively the butt in the pressure board portion with the column portion.

The utility model also discloses a cubical switchboard, including above-mentioned arbitrary technical scheme's interlocking device. The switch cabinet can operate the circuit breaker to swing in or out in a state that the door of the breaking room is closed, and is safe and reliable.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of an embodiment of an interlocking mechanism of the present invention;

FIG. 2 is an exploded view of the latch assembly of the embodiment of FIG. 1;

FIG. 3 is a schematic view of the locking assembly of the embodiment of FIG. 1 assembled with a driver;

fig. 4 is an assembly view of the driving member and the door panel of the disconnection chamber of the embodiment of fig. 1.

In the figure: the circuit breaker comprises a circuit breaker 100, an operating piece 110, a combining part 120, a locking assembly 200, a clutch piece 210, a pin hole 211, a rod contracting part 212, a mounting hole 213, a plane part 214, an abutting part 215, a columnar part 220, a connecting shaft 221, a pressing plate part 222, an elastic part 230, a mounting frame 240, a first flange part 241, a through hole 242, a second flange part 243, a through hole 244, a limiting part 250, a driving piece 300, an inclined plane part 301, an arc transition section 302 and a circuit breaking chamber door panel 400.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the invention.

In the description of the present invention, the description of the first and second are only for the purpose of distinguishing technical features, and are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an interlock mechanism includes: an operation element 110, wherein the operation element 110 is arranged on the circuit breaker 100, and the operation element 110 is provided with a combination part 120; a locking assembly 200 provided to the circuit breaker 100, the locking assembly 200 including a clutch 210, the clutch 210 being adapted to be coupled to or separated from the coupling portion 120; the driving member 300, the driving member 300 is used for setting on the inside wall of the breaking chamber door panel 400; when the breaking chamber door 400 is closed, the driving member 300 can drive the clutch member 210 to be separated from the combining portion 120; when the disconnect chamber door panel 400 is opened, the clutch 210 can move into engagement with the engaging portion 120.

The interlocking mechanism with the above structure allows the clutch member 210 to be always coupled to the coupling portion 120 after the door panel of the circuit breaker 100 is opened. When the breaker door 400 is closed, the breaker door 400 drives the driving member 300 to drive the clutch member 210 to exit from the engaging portion 120, so that the operating member 110 can be pressed again, and the circuit breaker 100 can be controlled to swing in or out. When the disconnection chamber door 400 is opened, the clutch member 210 is reset to be coupled to the coupling portion 120 again, and the operation member 110 cannot be operated. The setting of locking subassembly 200 for under opening and closing of breaking chamber door plant 400, clutch 210 and joint portion 120 have the cooperation under the different states, simple structure, and convenient operation can just can operate circuit breaker 100 and shake into or shake out after guaranteeing that the breaking chamber closes the door, safe and reliable.

Referring to fig. 1 to 4, in some embodiments of the present invention, the clutch member 210 is a rod, one end of the rod away from the combining portion 120 is provided with a column portion 220, the column portion 220 is disposed on the circuit breaker 100 along an axial direction of the rod, when the door panel 400 of the breaking chamber is closed, the driving member 300 drives the column portion 220 away from the operating member 110 to slide, so that the rod is away from the combining portion 120, the rod is provided with the elastic member 230, and when the door panel 400 of the breaking chamber is opened, the elastic member 230 can drive the rod to combine with the combining portion 120.

Specifically, when the door 400 of the breaking chamber is closed, the door 400 of the breaking chamber drives the driving member 300 to abut against the pillar portion 220 and pushes the pillar portion 220 to move toward a side away from the connecting portion 120, so that the rod is withdrawn from the connecting portion 120 and the elastic member 230 is compressed; when the door panel 400 of the breaking room is opened, the elastic member 230 is reset to drive the rod member to prop against the joint part 120, so that the breaker 100 can be operated to swing in or out after the door of the breaking room is closed, and the structure is simple, the operation is convenient, and the safety and the reliability are high. In some embodiments, the combining portion 120 may be a groove or a gap that is matched with a rod, and the rod is inserted into the groove or the gap, so as to block the operation of the operation element 110 from pressing or the like. The column portion 220 can be a roller, and the driving member 300 pushes the roller to rotate, so that rolling friction is formed between the two, which is beneficial to saving labor and easing operation.

In some embodiments of the present invention, the rod is provided with a limit component for limiting the movement stroke of the rod.

Referring to fig. 1 to 3, in some embodiments of the present invention, the limiting component includes an installation frame 240 and a limiting portion 250, the installation frame 240 is fixedly disposed on the circuit breaker 100, the installation frame 240 is provided with a first folding portion 241, the first folding portion 241 is provided with a through hole 242 for the rod to penetrate, the limiting portion 250 is disposed on the outer wall of the rod and is opposite to the first folding portion 241, and two ends of the elastic member 230 abut against the first folding portion 241 and the limiting portion 250 respectively. Specifically, since the mounting frame 240 is connected to the circuit breaker 100, the first flange portion 241 forms a fixed end, and the rod drives the limiting portion 250 to move, so that the limiting portion 250 becomes a movable end, which is beneficial to compressing the elastic member 230 by the movement of the limiting portion 250, and on the other hand, the reset function of the elastic member 230 can be used to drive the limiting portion 250 to move, so as to drive the rod to be re-matched with the combining portion 120, and the structure is simple and the resetting is fast. In some embodiments, the mounting frame 240 may be provided with a round hole for bolting with the circuit breaker 100, so as to simplify the mounting steps of the mounting frame 240, and the bolting is also beneficial to improving the firmness of the connection between the mounting frame 240 and the circuit breaker.

Referring to fig. 2, in some embodiments of the present invention, the rod is provided with a pin hole 211, and the limiting portion 250 is a pin penetrating through the pin hole 211. The pin holes 211 are advantageous for the limit portion 250 to be detachably mounted on the rod member, and are also advantageous for preventing the limit portion 250 from obstructing other components from being mounted on the rod member.

Referring to fig. 1 to 3, in some embodiments of the present invention, the mounting frame 240 is provided with a second flange portion 243 opposite to the first flange portion 241, the second flange portion 243 is provided with a non-circular through hole 244, one end of the rod member away from the column portion 220 is provided with a contracting rod portion 212 matched with the through hole 244, the contracting rod portion 212 penetrates through the through hole 244 and faces the combining portion 120, and the contracting rod portion 212 is provided with an abutting portion 215 capable of abutting against an inner wall of the second flange portion 243.

Specifically, the second flange portion 243 is configured to facilitate the first flange portion 241 and the second flange portion 243 to limit the position offset of the rod member, so as to improve the accuracy of the rod member matching with the combining portion 120. The non-circular through hole 244 is matched with the rod contracting part 212, so that unnecessary rotation of the rod piece is prevented, shaking generated in the moving process of the rod piece is reduced, and the stability of movement is improved. Finally, the abutting portion 215 abuts against the second flange portion 243, which is beneficial to limiting the movement stroke of the lever resetting, and further preventing the movement stroke of the lever from being too large to cause collision damage to the inside of the operating element 110.

Referring to fig. 1, 3 and 4, in some embodiments of the present invention, the driving member 300 is provided with an inclined plane portion 301 capable of abutting against the outer wall of the column portion 220, and the inclined plane portion 301 inclines toward the column portion 220 from the bottom of the inclined plane portion 301 to the top of the inclined plane portion 301. Specifically, the bottom of the ramp portion 301 is close to the breaker chamber door panel 400, and the top thereof is distant from the breaker chamber door panel 400 with respect to the bottom. The slope 301 is set up such that the driving member 300 can push the pillar portion 220 by the inclination change of the slope 301.

Referring to fig. 4, in some embodiments of the present invention, the top of the slope portion 301 is provided with a circular arc transition section 302. The arc transition section 302 is provided to enable the driver 300 to smoothly transition when initially contacting the pillar portion 220, thereby reducing damage to the pillar portion 220 caused by edges and corners.

Referring to fig. 1 to 3, in some embodiments of the present invention, the column portion 220 is connected with a connecting shaft 221, the rod is provided with a mounting hole 213 for the connecting shaft 221 to pass through, the top of the connecting shaft 221 is provided with a pressing plate portion 222, the rod is provided with two planar portions 214 opposite to each other, and the two planar portions 214 abut against the pressing plate portion 222 and the column portion 220, respectively. The planar portion 214 is configured to allow the rod member to be sandwiched between the column portion 220 and the pressing plate portion 222, and to increase the contact area between the rod member and the pressing plate portion, reduce the looseness of the rod member, and improve the firmness of connection.

The utility model also discloses a cubical switchboard, including above-mentioned any one technical scheme's interlocking device. The switch cabinet can operate the circuit breaker 100 to swing in or out under the state that the door of the breaking chamber is closed, and is safe and reliable.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An interlock mechanism, comprising:

the operating device (110), the operating device (110) is used for being arranged on the circuit breaker (100), and the operating device (110) is provided with a combination part (120);

a locking assembly (200) provided to the circuit breaker (100), the locking assembly (200) including a clutch (210), the clutch (210) being adapted to be coupled to or separated from the coupling portion (120);

a driving member (300) which is used for being arranged on the inner side wall of the breaking chamber door panel (400); when the breaking chamber door panel (400) is closed, the driving piece (300) can drive the clutch piece (210) to be separated from the combining part (120); the clutch (210) is movable into engagement with the engagement portion (120) when the disconnect chamber door panel (400) is opened.

2. The interlock mechanism of claim 1, wherein:

the clutch piece (210) is a rod piece, one end of the rod piece, which is far away from the combining part (120), is provided with a columnar part (220), the columnar part (220) is arranged on the circuit breaker (100) in a sliding mode along the axial direction of the rod piece, when the door panel (400) of the circuit breaking chamber is closed, the driving piece (300) drives the columnar part (220) to slide away from the operating piece (110), so that the rod piece is far away from the combining part (120), the rod piece is provided with an elastic piece (230), and when the door panel (400) of the circuit breaking chamber is opened, the elastic piece (230) can drive the rod piece to be combined with the combining part (120).

3. An interlock mechanism according to claim 2, wherein:

the rod piece is provided with a limiting assembly for limiting the movement stroke of the rod piece.

4. An interlocking mechanism according to claim 3, wherein:

spacing subassembly includes installing frame (240) and spacing portion (250), installing frame (240) set firmly in circuit breaker (100), installing frame (240) are equipped with first portion of folding (241), first portion of folding (241) are equipped with the confession perforation (242) that the member was worn to establish, spacing portion (250) are located the outer wall of member and with first portion of folding (241) are relative, the both ends of elastic component (230) respectively the butt in first portion of folding (241) with spacing portion (250).

5. An interlock mechanism according to claim 4, wherein:

the member is provided with a pin hole (211), and the limiting part (250) is a pin penetrating through the pin hole (211).

6. An interlocking mechanism according to claim 4, wherein:

the mounting frame (240) is provided with a second flange part (243) opposite to the first flange part (241), the second flange part (243) is provided with a non-circular through hole (244), one end of the rod piece, which is far away from the columnar part (220), is provided with a rod contracting part (212) matched with the through hole (244), the rod contracting part (212) penetrates through the through hole (244) and faces the combining part (120), and the rod contracting part (212) is provided with an abutting part (215) which can abut against the inner wall of the second flange part (243).

7. An interlocking mechanism according to claim 2, wherein:

the driving piece (300) is provided with an inclined plane part (301) capable of abutting against the outer wall of the columnar part (220), and the inclined plane part (301) inclines towards the columnar part (220) from the bottom of the inclined plane part (301) to the top of the inclined plane part (301).

8. An interlock mechanism according to claim 7, wherein:

the top of the inclined plane part (301) is provided with an arc transition section (302).

9. An interlocking mechanism according to claim 2, wherein:

column portion (220) are connected with connecting axle (221), the member is equipped with the confession mounting hole (213) that connecting axle (221) wore to establish, the top of connecting axle (221) is equipped with pressure board portion (222), the member is equipped with two plane portions (214) that carry on the back mutually, two plane portion (214) respectively the butt in pressure board portion (222) with column portion (220).

10. A switchgear cabinet characterised by comprising an interlocking mechanism as claimed in any one of claims 1 to 9.