CN212907469U

CN212907469U - Locking type withdrawable circuit-breaker base

Info

Publication number: CN212907469U
Application number: CN202022018720.4U
Authority: CN
Inventors: 陈向前; 吴成钰; 祝木祥; 李政
Original assignee: Zhejiang Xinfeng Electrical Appliance Co ltd
Current assignee: Zhejiang Xinfeng Electrical Appliance Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-06
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a locking type withdrawable circuit-breaker base. The technical key points are as follows: a drawing frame and a mounting frame, wherein the lower side of the drawing frame is provided with a sealing component which comprises a driving wheel, first actuating lever, first rotary rod and first locking piece, take out and be equipped with the drive groove on the frame, the rotatable setting of drive wheel is in the drive groove, take out and be equipped with first spout on the frame, first spout communicates with the drive groove each other, first actuating lever slides and connects in first spout, the rotatable setting of first rotary rod is on taking out the frame, one end is located first spout, the other end stretches into and takes out between frame and the mounting bracket, first rotary rod and take out and be equipped with first torsional spring between the frame, be equipped with the locking hole on the mounting bracket, first locking piece fixed connection is on the other end of first rotary rod, be equipped with the dogtooth on the drive wheel, dogtooth and first actuating lever meshing, drive wheel and take out and be equipped with locating component between the frame, locating component is used for the position of fixed drive wheel, the utility model discloses maloperation when dismantling the.

Description

Locking type withdrawable circuit-breaker base

Technical Field

The utility model relates to a circuit breaker field, more specifically the locking type withdrawable circuit breaker base that says so relates to.

Background

The circuit breaker is taken out through the both sides that snatch the circuit breaker when the maintenance is dismantled to current withdrawable circuit breaker, and the circuit breaker takes out the in-process and slides on the guide rail, and only be connected through the guide rail between current frame of taking out and the circuit breaker, when snatching the groove of snatching both sides, when taking out the circuit breaker, the circuit breaker can be taken out, the maloperation appears easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an avoid locking type withdrawable circuit breaker base of maloperation.

In order to achieve the above purpose, the utility model provides a following technical scheme: locking type withdrawable circuit-breaker base including: the rack is provided with a mounting rack in a sliding manner, the mounting rack is used for placing a circuit breaker, a blocking component is arranged on the lower side of the rack and comprises a driving wheel, a first driving rod, a first rotary rod and a first locking block, a driving groove is formed in the rack, the driving wheel is rotatably arranged in the driving groove, a first sliding groove is formed in the rack and is communicated with the driving groove, the first driving rod is connected in the first sliding groove in a sliding manner, the first rotary rod is rotatably arranged on the rack, one end of the first rotary rod is positioned in the first sliding groove, the other end of the first rotary rod extends into the space between the rack and the mounting rack, a first torsional spring is arranged between the first rotary rod and the rack, a locking hole is formed in the mounting rack, the first locking block is fixedly connected to the other end of the first rotary rod, a convex tooth is arranged on the driving wheel, and the convex tooth is meshed with the first, and a positioning assembly is arranged between the driving wheel and the drawing frame and used for fixing the position of the driving wheel.

As a further improvement, the blockade subassembly is still including second actuating lever, second rotary rod and second locking piece, take out and be equipped with the second spout on the frame, the second spout communicates with the drive groove each other, the second actuating lever slides and connects in the second spout, the rotatable setting of second rotary rod is on taking out the frame, and one end is located the second spout, and the other end stretches into and takes out between frame and the mounting bracket, second rotary rod and take out and be equipped with the second torsional spring between the frame, be equipped with the second locking hole on the mounting bracket, second locking piece fixed connection is on the other end of second rotary rod, first actuating lever and second actuating lever set up the upper and lower both sides at the drive wheel respectively.

As a further improvement, be equipped with the groove that resets on the dogtooth, locating component is including constant head tank, spacer and positioning spring, the rotatable setting of spacer is in the constant head tank, positioning spring's one end and constant head tank fixed connection, the other end and spacer fixed connection, the width of spacer is less than the width in the groove that resets.

As a further improvement, the first driving rod is provided with a first bump, and the first bump and the drawer frame are provided with a first spring therebetween.

As a further improvement, the second driving rod is provided with a second bump, and the second bump and the drawer frame are provided with a second spring therebetween.

The beneficial effects of the utility model, the step through increasing a rotatory drive wheel increases the judgement time of driving personnel, reduces maintainer's maloperation.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention when the mounting bracket is not locked;

fig. 2 is a schematic view of the overall structure of the mounting bracket of the present invention when locked;

FIG. 3 is a schematic view of the first and second springs being extended when the mounting bracket is locked;

FIG. 4 is a schematic view of the first and second springs being compressed when the mounting bracket is locked;

FIG. 5 is a schematic view of the driving wheel and the positioning assembly;

fig. 6 is a schematic structural diagram of a driving wheel, a convex tooth and a reset groove.

Description of the labeling: 1. drawing frame; 11. a mounting frame; 111. a first locking hole; 112. a second locking hole; 12. a drive slot; 2. a lockout assembly; 21. a drive wheel; 211. a convex tooth; 212. a reset groove; 22. a first drive lever; 23. a first rotating rod; 24. a first locking block; 25. a first chute; 26. a first torsion spring; 3. a positioning assembly; 31. positioning a groove; 32. positioning plates; 33. a positioning spring; 41. a second drive lever; 42. a second rotating rod; 43. a second locking block; 44. a second chute; 45. a second torsion spring; 51. a first bump; 52. a first spring; 61. a second bump; 62. a second spring.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1 to 6, the locking type withdrawable circuit breaker base of the present embodiment includes: the drawer frame 1, the drawer frame 1 is connected with an installation frame 11 in a sliding manner, the installation frame 11 is used for placing a circuit breaker, a blocking component 2 is arranged on the lower side of the drawer frame 1, the blocking component 2 comprises a driving wheel 21, a first driving rod 22, a first rotating rod 23 and a first locking block 24, a driving groove 12 is arranged on the drawer frame 1, the driving wheel 21 is rotatably arranged in the driving groove 12, a first sliding groove 25 is arranged on the drawer frame 1, the first sliding groove 25 is communicated with the driving groove 12, the first driving rod 22 is connected in the first sliding groove 25 in a sliding manner, the first rotating rod 23 is rotatably arranged on the drawer frame 1, one end of the first rotating rod is positioned in the first sliding groove 25, the other end of the first rotating rod 23 extends into the space between the drawer frame 1 and the installation frame 11, a first torsion spring 26 is arranged between the first rotating rod 23 and the drawer frame 1, a first locking hole 111 is arranged on the installation frame 11, and the first locking block 24 is, be equipped with dogtooth 211 on the drive wheel 21, dogtooth 211 and first actuating lever 22 meshing, be equipped with locating component 3 between drive wheel 21 and the frame 1 of taking out, locating component 3 is used for the position of fixed drive wheel 21.

Through the technical scheme, when the circuit breaker is not required to be disassembled for maintenance, only the driving wheel 21 needs to be rotated, the driving wheel 21 drives the first driving rod 22 to slide towards the edge of the drawing frame 1, so as to push the first rotating rod 23 to rotate, the first rotating rod 23 rotates to drive the first locking block 24 to be embedded into the first locking hole 111, at the moment, the first torsion spring 26 is compressed, the first locking block 24 is embedded into the first locking hole 111 to lock the mounting frame 11, the problem that the circuit breaker can be taken out only by grabbing grooves on two sides with two hands during disassembly and maintenance is avoided, misoperation is easy to occur, the positioning component 3 fixes the position of the driving wheel 21, so that the mounting frame 11 is more stable when being locked, a maintainer needs to reversely rotate the driving wheel 21 first to drive the first driving rod 22 to reset, so that the first driving rod 22 does not prop against the first rotating rod 23, the first torsion spring 26 resets, and then drive first locking piece 24 and leave first locking groove, increase the judgement time of driving personnel through the step of increasing a rotatory drive wheel 21, reduce maintainer's maloperation.

As an improved specific embodiment, the blocking assembly 2 further includes a second driving rod 41, a second rotating rod 42, and a second locking block 43, the drawing frame 1 is provided with a second sliding groove 44, the second sliding groove 44 is communicated with the driving groove 12, the second driving rod 41 is slidably connected in the second sliding groove 44, the second rotating rod 42 is rotatably disposed on the drawing frame 1, one end of the second rotating rod is located in the second sliding groove 44, the other end of the second rotating rod extends into the space between the drawing frame 1 and the mounting frame 11, a second torsion spring 45 is disposed between the second rotating rod 42 and the drawing frame 1, the mounting frame 11 is provided with a second locking hole 112, the second locking block 43 is fixedly connected to the other end of the second rotating rod 42, and the first driving rod 22 and the second driving rod 41 are disposed on the upper side and the lower side of the driving wheel 21 respectively.

Through the technical scheme, first actuating lever 22 and second actuating lever 41 set up the upper and lower both sides at drive wheel 21 respectively, when drive wheel 21 is rotatory, can drive first actuating lever 22 simultaneously, second actuating lever 41 removes or keeps away from to take out a side and removes to taking out a side of 1, when rotatory drive wheel 21, drive wheel 21 drives second actuating lever 41 and slides to the edge of taking out a side of 1, and then it is rotatory to promote second rotary rod 42, second rotary rod 42 is rotatory to drive second locking block 43 embedding second locking hole 112 in, second torsional spring 45 is compressed this moment, second locking block 43 embedding second locking hole 112 is interior, with the locking of mounting bracket 11, first locking block 24 and second locking block 43 combined action, lock the both sides of mounting bracket 11, stability is higher.

As an improved specific embodiment, the protruding tooth 211 is provided with a reset groove 212, the positioning assembly 3 includes a positioning groove 31, a positioning plate 32 and a positioning spring 33, the positioning plate 32 is rotatably disposed in the positioning groove 31, one end of the positioning spring 33 is fixedly connected to the positioning groove 31, the other end of the positioning spring is fixedly connected to the positioning plate 32, and the width of the positioning plate 32 is smaller than the width of the reset groove 212.

Through the technical scheme, when the mounting bracket 11 is no longer required to be locked, only the driving wheel 21 needs to be pushed inwards or pulled outwards, the positioning piece 32 is located in the reset groove 212 at the moment, then the driving wheel 21 rotates reversely, so that the driving wheel 21 drives the first driving rod 22 and the second driving rod 41 to be away from the two sides of the drawer frame 1, in the process, the first torsion spring 26 and the second torsion spring 45 reset respectively to drive the first rotating rod 23 and the second rotating rod 42 to rotate, further the first locking block 24 is driven to leave the first locking hole 111, and the second locking block 43 is driven to leave the second locking hole 112. When locking is needed, only the driving wheel 21 needs to be pulled outwards or pushed inwards, at the moment, the positioning piece 32 is located between the convex teeth 211, the driving wheel 21 rotates to drive the first driving rod 22 and the second driving rod 41 to move towards two sides, the convex teeth 211 extrude the positioning piece 32 at intervals, when the positioning piece 32 is extruded, the positioning piece 32 rotates, the positioning spring 33 is compressed, after the convex teeth 211 rotate past, the positioning piece 32 resets until the first locking block 24 and the second locking block 43 are respectively embedded into the first locking hole 111 and the second locking hole 112, locking is completed, at the moment, the driving wheel 21 is locked by the positioning piece 32, reverse rotation cannot be achieved, and stability during locking is high.

As a modified specific embodiment, a first protrusion 51 is disposed on the first driving rod 22, and a first spring 52 is disposed between the first protrusion 51 and the drawer frame 1.

Through above-mentioned technical scheme, when no longer needing locking mounting bracket 11, only need inwards push away drive wheel 21 or outwards pull, the spacer 32 is located reset groove 212 this moment, later need not manual rotatory drive wheel 21, first spring 52 resets, drive first actuating lever 22 and remove, with first torsion spring 26 combined action, and then drive wheel 21 and reset, and reduced the effort of first torsion spring 26 to first actuating lever 22, it is rotatory to make first torsion spring 26 can be stable drive first rotary rod 23, and then drive first locking piece 24 and leave first locking hole 111, and is more stable.

As a modified specific embodiment, a second protrusion 61 is disposed on the second driving rod 41, and a second spring 62 is disposed between the second protrusion 61 and the drawer frame 1.

Through the technical scheme, when no longer needing locking mounting bracket 11, only need inwards push away drive wheel 21 or outwards pull, spacer 32 is located reset groove 212 this moment, later need not manual rotatory drive wheel 21, second spring 62 resets, drive second actuating lever 41 and remove, with second torsional spring 45 combined action, and then drive wheel 21 and reset, and reduced the effort of second torsional spring 45 to second actuating lever 41, it is rotatory to make the drive second rotary rod 42 that second torsional spring 45 can be stable, and then drive second locking piece 43 and leave second locking hole 112, and is more stable.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. Locking type withdrawable circuit-breaker base including: take out frame (1), it is connected with mounting bracket (11) to slide on frame (1) to take out, mounting bracket (11) are used for laying the circuit breaker, its characterized in that: the utility model discloses a take-out rack, including take-out rack (1), take-out rack (1) downside is equipped with blockade subassembly (2), blockade subassembly (2) is including drive wheel (21), first actuating lever (22), first rotary rod (23) and first locking piece (24), be equipped with on taking-out rack (1) drive groove (12), the rotatable setting of drive wheel (21) is in drive groove (12), be equipped with first spout (25) on taking-out rack (1), first spout (25) and drive groove (12) communicate each other, first actuating lever (22) are slided and are connected in first spout (25), the rotatable setting of first rotary rod (23) is on taking-out rack (1), and one end is located first spout (25), and the other end stretches into between taking-out rack (1) and mounting bracket (11), be equipped with first torsional spring (26) between first rotary rod (23) and taking-out rack (1), be equipped with first locking hole (111) on mounting bracket (11), first locking piece (24) fixed connection is on the other end of first rotary rod (23), be equipped with dogtooth (211) on drive wheel (21), dogtooth (211) and first actuating lever (22) meshing, be equipped with locating component (3) between drive wheel (21) and the frame (1) of taking out, locating component (3) are used for the position of fixed drive wheel (21).

2. The locking type withdrawable circuit-breaker base as set forth in claim 1, wherein: the locking component (2) also comprises a second driving rod (41), a second rotating rod (42) and a second locking block (43), the drawing frame (1) is provided with a second sliding chute (44), the second sliding chute (44) is communicated with the driving groove (12), the second driving rod (41) is connected in a second sliding groove (44) in a sliding manner, the second rotating rod (42) is rotatably arranged on the drawer frame (1), one end of the second rotating rod is positioned in the second sliding groove (44), the other end of the second rotating rod extends into a position between the drawer frame (1) and the mounting frame (11), a second torsion spring (45) is arranged between the second rotating rod (42) and the drawing frame (1), a second locking hole (112) is arranged on the mounting rack (11), the second locking block (43) is fixedly connected to the other end of the second rotating rod (42), the first driving rod (22) and the second driving rod (41) are respectively arranged on the upper side and the lower side of the driving wheel (21).

3. The locking type withdrawable circuit-breaker base as set forth in claim 1, wherein: be equipped with reset groove (212) on dogtooth (211), locating component (3) are including constant head tank (31), spacer (32) and positioning spring (33), rotatable setting of spacer (32) is in constant head tank (31), the one end and constant head tank (31) fixed connection of positioning spring (33), the other end and spacer (32) fixed connection, the width of spacer (32) is less than the width of reset groove (212).

4. The locking type withdrawable circuit-breaker base as set forth in claim 1, wherein: a first bump (51) is arranged on the first driving rod (22), and a first spring (52) is arranged between the first bump (51) and the drawing frame (1).

5. The locking type withdrawable circuit-breaker base as set forth in claim 2, wherein: and a second bump (61) is arranged on the second driving rod (41), and a second spring (62) is arranged between the second bump (61) and the drawing frame (1).