Marking frame mechanism of molded case circuit breaker

Abstract

The utility model discloses an identification frame mechanism of a molded case circuit breaker, which comprises a mounting seat, an abutting rod which is arranged in the mounting seat and moves up and down along the mounting seat, and an identification frame which is rotatably arranged on the mounting seat, at least two identification stickers are arranged on the identification frame, and the identification frame comprises a side abutting surface. The supporting rod is provided with a supporting section which is matched with the side supporting face in an abutting mode or a separating mode, a torsional spring which enables the identification frame to rotate and reset is arranged at the rotating connection position of the identification frame and the installation base, the number of the identification stickers is three, bottom corners are arranged at the positions, located at the lower ends of the side supporting faces, of the identification frame, and the supporting rod is provided with an abutting portion which is matched with the bottom corners in an abutting mode or a separating mode. The marking frame is reasonable in structural design, and the marking frame can display different states through the lifting and moving arrangement of the abutting rod at different positions in the mounting base.

Description

TECHNICAL FIELD

[0001] The utility model relates to low voltage electrical apparatus technical field more particularly, relate to a kind of identification frame mechanism of moulded case circuit breaker. BACKGROUND

[0002] The existing moulded case circuit breaker with energy storage type electric operating mechanism generally has free tripping, reclosing and closing states, and the operating form of the energy storage type electric operating mechanism generally has manual and automatic two kinds, and the two can be switched to each other and operate the circuit breaker matched therewith, wherein the energy storage is to store the energy in compressed spring by motor and speed reduction mechanism, and the stored energy is released instantaneously to push the handle of circuit breaker when needed, to realize the closing operation of the moulded case circuit breaker. In manual state, the energy storage mechanism is energized by operating the manual operating mechanism, to complete the reclosing operation of the matched circuit breaker, to prepare for the next closing. In automatic state, an electric signal is given to the electric operation, and the motor is driven by multi-stage transmission gear to realize the energy storage operation of the energy storage mechanism, and the reclosing operation of the matched circuit breaker is completed synchronously, to prepare for the next closing. The above-mentioned manual state is suitable for on-site operation, and the operator can operate the circuit breaker on site. The automatic state is suitable for remote operation, and the operator can operate the electric operation mechanism remotely through communication control to realize the closing and opening operation of the circuit breaker.

[0003] After the operation is completed, the state of the circuit breaker at this time needs to be displayed, such as the current state of free tripping, reclosing or closing, so the identification frame mechanism needs to be set to display the current state. SUMMARY

[0004] The utility model overcomes the insufficient of prior art, its structure design is reasonable, and the display of identification frame to different state can be realized by the lifting and moving setting of abutting rod in different positions in mounting seat.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] An identification frame mechanism of moulded case circuit breaker, comprising a mounting seat, an abutting rod arranged in the mounting seat and arranged for lifting and moving along the mounting seat, and an identification frame rotatably arranged on the mounting seat, wherein at least two kinds of identification stickers are arranged on the identification frame, the identification frame comprises a side abutting surface, the abutting rod is provided with an abutting section in abutting or disengaging cooperation with the side abutting surface, a torsion spring for facilitating the rotation reset of the identification frame is arranged at the rotation connection between the identification frame and the mounting seat, the identification stickers are provided in three kinds, a bottom corner is arranged at the lower end of the side abutting surface on the identification frame, and an abutting portion in abutting or disengaging cooperation with the bottom corner is arranged on the abutting rod.

[0007] By adopting the technical scheme, the shell of the circuit breaker is provided with an opening for exposing only one identification sticker, in the specific embodiment, three identification stickers are provided, respectively for displaying free tripping, reclosing or closing states, specifically, when the abutting rod is not abutted with the identification frame, the identification sticker for displaying the free tripping state is exposed on the shell of the circuit breaker; when the abutting section of the abutting rod is abutted with the side abutting surface of the identification frame, the identification sticker for displaying the closing state is exposed on the shell of the circuit breaker; when the abutting section of the abutting rod is abutted with the bottom frame of the identification frame, the identification frame still relatively rotates, so that the identification sticker for displaying the reclosing state is exposed on the shell of the circuit breaker, so that the abutting rod is set to be lifted and moved in different positions of the mounting seat, and the identification frame can display different states.

[0008] Preferably, the abutting section is configured as an inclined surface, and the bottom corner is configured as an inclined corner or a circular arc corner.

[0009] By adopting the technical scheme, when the abutting section is abutted with the bottom corner, the identification frame is also set to relatively rotate, that is, the identification frame rotates at an angle relative to the remaining position state, so as to display another state of the identification.

[0010] Preferably, the shell and the operating mechanism arranged in the shell are further included, the operating mechanism includes a rotating block, and the rotating block directly or indirectly drives the abutting rod to lift and move.

[0011] By adopting the technical scheme, the operation of the operating mechanism can make the circuit breaker be in the free tripping, reclosing or closing state, and the rotating block is directly or indirectly driven to rotate the identification frame, without the need of additionally arranging other linkage components, so as to realize the lifting and moving of the abutting rod.

[0012] Preferably, the mounting seat is fixedly arranged in the shell, the abutting rod is provided with a positioning column, and a spring for promoting the abutting rod to lift and move and reset is arranged between the shell and the positioning column.

[0013] By adopting the technical scheme, the mounting seat is fixedly arranged in the shell, the abutting rod is arranged to lift and move relative to the mounting seat, and the spring is arranged to provide a force for the abutting rod to lift and move and reset, and provide an elastic buffering force in the moving process.

[0014] Preferably, a moving contact is connected with the rotating block, the moving contact rotates with the rotating block to drive the abutting rod to lift and move, the lower end surface of the abutting rod is configured as an arc surface or an inclined surface, and the moving contact is provided with a matching surface for abutting or separating with the lower end surface of the abutting rod.

[0015] By adopting the technical scheme, specifically, the matching surface on the movable contact head is matched with the lower end surface of the abutting rod, so that the lifting movement of the abutting rod is realized, and the matching surface is also an arc surface or an inclined surface matched with the lower end surface, so that the positional accuracy when the matching surface and the lower end surface abut is further ensured, the false movement is reduced, and the state display of the identification frame is more accurate. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of a specific embodiment of the present application;

[0017] Figure 2 is a structural schematic view of a specific embodiment of the present application reflecting part of the shell structure;

[0018] Figure 3 is a structural schematic view of a specific embodiment of the present application reflecting the structure of the abutting rod;

[0019] Figure 4 is a structural schematic view of a specific embodiment of the present application reflecting the structure of the identification frame Figure 1 ;

[0020] Figure 5 is a structural schematic view of a specific embodiment of the present application reflecting the structure of the identification frame Figure 2 .

[0021] In the figure: 1, mounting seat; 2, abutting rod; 21, abutting section; 22, abutting part; 23, positioning column; 24, spring; 25, lower end surface; 3, identification frame; 31, identification sticker; 32, side abutting surface; 33, bottom corner; 4, torsional spring; 5, shell; 6, operating mechanism; 61, rotating block; 62, movable contact head; 63, matching surface. DETAILED DESCRIPTION

[0022] 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.

[0023] As Figures 1-5As shown, the identification frame mechanism of a molded case circuit breaker comprises a mounting seat 1, an abutting rod 2 arranged in the mounting seat 1 and arranged to move up and down along the mounting seat 1, and an identification frame 3 arranged to rotate on the mounting seat 1, the identification frame 3 is provided with at least two identification stickers 31, the identification frame 3 comprises a side abutting surface 32, the abutting rod 2 is provided with an abutting section 21 which abuts or separates with the side abutting surface 32, the rotating connection between the identification frame 3 and the mounting seat 1 is provided with a torsion spring 4 which promotes the rotating reset of the identification frame 3, the identification stickers 31 are provided with three kinds, the identification frame 3 is provided with a bottom corner 33 at the lower end of the side abutting surface 32, and the abutting rod 2 is provided with an abutting part 22 which abuts or separates with the bottom corner 33.

[0024] By adopting the above technical scheme, the shell 5 of the circuit breaker is provided with an opening hole which only exposes one identification sticker 31, in the specific embodiment, the identification stickers 31 are provided with three kinds which are respectively used to display the free tripping, the reclosing or the closing state, specifically, when the abutting rod 2 does not abut with the identification frame 3, at this time, the identification sticker which first displays the free tripping state will be exposed from the shell 5 of the circuit breaker; when the abutting section 21 of the abutting rod 2 abuts with the side abutting surface 32 of the identification frame 3, at this time, the identification sticker which displays the closing state will be exposed from the shell 5 of the circuit breaker; when the abutting part 22 of the abutting rod 2 abuts with the bottom frame of the identification frame 3, at this time, the identification frame 3 will still relatively rotate, so that the identification sticker which displays the reclosing state will be exposed from the shell 5 of the circuit breaker, so that by arranging the up and down movement of the abutting rod 2 in the mounting seat 1 at different positions, the identification frame 3 can display different states.

[0025] Among them, the abutting part 22 is configured as an inclined surface, and the bottom corner 33 is configured as an inclined corner or an arc corner. By such arrangement, when the abutting part 22 abuts with the bottom corner 33, the identification frame 3 will also be arranged to relatively rotate, that is, the identification frame 3 will rotate at an angle relative to the remaining position state, so as to display another state of identification.

[0026] And further comprising a shell 5 and an operating mechanism 6 arranged in the shell 5, the operating mechanism 6 comprises a rotating block 61 which can directly or indirectly drive the abutting rod 2 to move up and down. The operation of the operating mechanism 6 can make the circuit breaker be in the free tripping, the reclosing or the closing state, and the rotating of the rotating block 61 directly or indirectly drives the identification frame 3 to rotate, without the need of additionally arranging other linkage components, so as to realize the up and down movement of the abutting rod 2.

[0027] In addition, the mounting seat 1 is fixedly arranged in the shell 5, the abutting rod 2 is provided with a positioning column 23, and the shell 5 and the positioning column 23 are provided with a spring 24 which promotes the up and down movement reset of the abutting rod 2. The mounting seat 1 is fixedly arranged in the shell 5, and the abutting rod 2 is arranged to move up and down relative to the mounting seat 1, and the spring 24 is arranged to provide the force for the up and down movement reset of the abutting rod 2, and provide the elastic buffering force in the movement process.

[0028] And the rotating block 61 is connected with the movable contact 62 through linkage, the movable contact 62 rotates with the rotating block 61 to drive the abutting rod 2 to move up and down, the lower end surface 25 of the abutting rod 2 is configured as an arc surface or an inclined surface, and the movable contact 62 is provided with a matching surface 63 matched with the lower end surface 25 of the abutting rod 2. Specifically, the matching surface 63 on the movable contact 62 is matched with the lower end surface 25 of the abutting rod 2 to realize the up and down movement of the abutting rod 2, wherein the matching surface 63 is also an arc surface or an inclined surface matched with the lower end surface 25, so as to further ensure the position accuracy of the matching surface 63 and the lower end surface 25 when they are abutted, reduce the false movement, and make the state display of the sign frame 3 more accurate.

[0029] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A labeling bracket mechanism for a molded case circuit breaker, characterized in that, It includes a mounting base (1), an abutment rod (2) disposed in the mounting base (1) and moved up and down along the mounting base (1), and an identification frame (3) rotatably disposed on the mounting base (1). The identification frame (3) is provided with at least two kinds of identification stickers (31). The identification frame (3) includes a side abutment surface (32). The abutment rod (2) is provided with an abutment section (21) that abuts or separates from the side abutment surface (32). A torsion spring (4) is provided at the rotatable connection between the identification frame (3) and the mounting base (1) to cause the identification frame (3) to rotate and return to its original position.

2. The identification bracket mechanism for a molded case circuit breaker according to claim 1, characterized in that, There are three types of labels (31). The label holder (3) has a bottom corner (33) at the lower end of the side contact surface (32). The contact rod (2) has a contact part (22) that abuts or separates from the bottom corner (33).

3. The identification bracket mechanism for a molded case circuit breaker according to claim 2, characterized in that, The contact part (22) is configured as a slope, and the bottom corner (33) is configured as a bevel or a rounded corner.

4. The identification bracket mechanism for a molded case circuit breaker according to claim 1, 2, or 3, characterized in that, It also includes a housing (5) and an operating mechanism (6) located inside the housing (5). The operating mechanism (6) includes a rotating block (61), which can directly or indirectly drive the abutment rod (2) to move up and down.

5. The identification bracket mechanism for a molded case circuit breaker according to claim 4, characterized in that, The mounting base (1) is fixedly installed inside the housing (5). A positioning post (23) is provided on the abutment rod (2). A spring (24) is provided between the housing (5) and the positioning post (23) to cause the abutment rod (2) to move up and down and reset.

6. The identification bracket mechanism for a molded case circuit breaker according to claim 4, characterized in that, A movable contact (62) is connected to the rotating block (61). The movable contact (62) rotates with the rotating block (61) to drive the abutment rod (2) to move up and down. The lower end face (25) of the abutment rod (2) is configured as an arc-shaped surface or an inclined surface. The movable contact (62) is provided with a mating surface (63) that abuts or separates from the lower end face (25) of the abutment rod (2).

Images