CN215988494U - Pull-out mechanism of locking type withdrawable circuit-breaker - Google Patents
Pull-out mechanism of locking type withdrawable circuit-breaker Download PDFInfo
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- CN215988494U CN215988494U CN202122311569.8U CN202122311569U CN215988494U CN 215988494 U CN215988494 U CN 215988494U CN 202122311569 U CN202122311569 U CN 202122311569U CN 215988494 U CN215988494 U CN 215988494U
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Abstract
The utility model discloses a pull-out mechanism of a locking type drawer type circuit breaker. The technical key points are as follows: the circuit breaker drawing frame comprises a drawing frame body, the drawing frame body is connected with a mounting frame in a sliding mode, the mounting frame body is used for placing a circuit breaker, the mounting frame body comprises a connecting plate and two sliding plates, the two sliding plates are parallel to each other and are connected to the two sides of the drawing frame body in a sliding mode respectively, the connecting plate is connected with the two sliding plates, a grabbing block is arranged on one side, facing the drawing frame, of each sliding plate, a movable locking mechanism is arranged on each sliding plate, each locking mechanism comprises a pressing plate rotatably connected to the corresponding sliding plate, a locking block is arranged on each pressing plate, a clamping block is arranged on the drawing frame body and corresponds to the position of the corresponding locking block, and a reset assembly is arranged between each pressing plate and each sliding plate.
Description
Technical Field
The utility model relates to the field of circuit breakers, in particular to a pulling-out mechanism of a locking type drawer type circuit breaker.
Background
A withdrawable circuit-breaker is an electrical device widely used in the electrical field, which generally consists of two main parts: the circuit breaker comprises a circuit breaker body and a drawing frame, wherein the circuit breaker body plays a role in connecting and breaking normal current and fault current in a loop, and the drawing frame has a function of connecting an external line busbar and the circuit breaker body. The prior Chinese utility model patent with the application number of CN202022019434.X, namely, "locking mechanism of locking drawer type circuit breaker" discloses a drawer frame, wherein the drawer frame is connected with an installation frame in a sliding way, the installation frame comprises a connecting plate and two sliding plates, the two sliding plates are parallel to each other and are respectively connected with the two sides of the drawer frame in a sliding way, the connecting plate is connected with the two sliding plates, the sliding plates are provided with gripping blocks, one side of the sliding plate facing the drawer frame is provided with a first locking block, the first locking block is rotatably arranged on the sliding plate and is positioned at the upper side of the gripping block, a first torsional spring is arranged between the first locking block and the sliding plate, the drawer frame is provided with a first touch block, the upper side of the gripping block is provided with a first pushing block for pushing the first locking block to rotate, a spring is arranged between the gripping block and the sliding plate, one end of the spring is connected with the gripping block, the other end is connected with the sliding plate, when the installation frame can be pulled out, the utility model only needs to simultaneously pull the gripping blocks at the two sides, when the mounting frame is pushed in, the grabbing blocks on two sides only need to be pushed simultaneously, so that the operation is convenient, and the stability is high. However, the technical scheme is easy to clamp after not being pulled out for a long time in the using process, so that the pulling-out is difficult and the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a pull-out mechanism of a locking type drawer type circuit breaker, which is easy to pull out and difficult to clamp.
In order to achieve the purpose, the utility model provides the following technical scheme: locking type withdrawable circuit-breaker's pull-out mechanism, including: the drawing frame is connected with a mounting rack in a sliding mode, the mounting rack is used for placing a circuit breaker, the mounting rack comprises a connecting plate and two sliding plates, the two sliding plates are parallel to each other and are connected to two sides of the drawing frame in a sliding mode respectively, the connecting plate is connected with the two sliding plates, the sliding plates are provided with grabbing blocks on one side of the drawing frame, the sliding plates are provided with movable locking mechanisms, each locking mechanism comprises a pressing plate which is rotatably connected to the corresponding sliding plate, each pressing plate is provided with a locking block, each drawing frame is provided with a clamping block, the clamping blocks correspond to the locking blocks in position, and a reset assembly is arranged between each pressing plate and each sliding plate.
As a further improvement of the utility model, the sliding plate is provided with a receiving hole, the reset component is a spring, the spring is positioned in the receiving hole, one end of the spring is fixedly connected with the sliding plate, and the other end of the spring is fixedly connected with the pressing plate.
As a further improvement of the utility model, the spring is positioned in the accommodating hole, one end of the spring is fixedly connected with the sliding plate, and the other end of the spring is fixedly connected with the locking block.
As a further improvement of the utility model, the grabbing block is provided with a notch, the pressing plate is provided with a pressing block, and the pressing block is positioned in the notch.
As a further improvement of the utility model, a limiting block is arranged on the pressing plate.
The mounting frame has the advantages that when the mounting frame is pulled out, the grabbing block is grabbed by hand, then the pressing plate is selected to rotate, the resetting component deforms when the pressing plate rotates, the locking block moves to be dislocated with the clamping block and then is pulled out outwards, then the hand is released, the resetting component resets to drive the pressing plate and the locking block to reset, the locking rod block and the abutting block do not need to be dislocated through outward pulling force, the operation is convenient and labor-saving, the abrasion is small, and the locking rod block cannot be clamped.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the slide plate and the locking mechanism;
fig. 3 is a schematic top view of the locking block and the latch.
Description of the labeling: 1. drawing frame; 11. a clamping block; 12. an accommodation hole; 2. a mounting frame; 21. a connecting plate; 22. a slide plate; 221. grabbing blocks; 2210. a notch; 3. a locking mechanism; 31. a pressing plate; 311. a locking block; 312. a pressing block; 313. a limiting block; 4. a reset assembly; 41. a spring.
Detailed Description
The utility model will be further described in detail with reference to the following examples, which are given in the accompanying drawings.
Referring to fig. 1 to 3, the drawing mechanism of the locking type withdrawable circuit breaker of the present embodiment includes: take out frame 1, it is connected with mounting bracket 2 to slide on frame 1 to take out, mounting bracket 2 is used for laying the circuit breaker, mounting bracket 2 is including connecting plate 21 and two slides 22, and two slides 22 are parallel to each other, slide respectively and connect in the both sides of taking out frame 1, and two slides 22 are connected to connecting plate 21, slide 22 is equipped with on one side of taking out frame 1 towards and snatchs piece 221, be equipped with mobilizable locking mechanism 3 on slide 22, locking mechanism 3 is including rotatable connection pressing plate 31 on slide 22, be equipped with locking block 311 on pressing plate 31, it is equipped with fixture block 11 on frame 1 to take out, fixture block 11 corresponds with locking block 311 position, be equipped with reset assembly 4 between pressing plate 31 and the slide 22.
Through the technical scheme, when pulling out mounting bracket 2, grab piece 221 in hand, then select to press the pressure board 31, it is rotatory to make to press the pressure board 31, when pressing the pressure board 31 rotatory, reset assembly 4 deformation, locking block 311 removes, misplace with fixture block 11, later outwards pull out can, later loosen the hand, reset assembly 4 resets and drives and presses pressure board 31, locking block 311 resets, need not to make the dislocation of locking lever piece and conflict piece through outside pulling force, and convenient operation is laborsaving, and wearing and tearing are little, can not block. When pressing into mounting bracket 2, the piece 221 is snatched in holding in hand, then selects to press the clamp plate 31, makes to press the clamp plate 31 rotatory, when pressing the clamp plate 31 rotatory, the 4 deformation of subassembly that resets, locking block 311 removes, misplaces with fixture block 11, later inwards press can, later loosen the hand, reset subassembly 4 resets and drives and press clamp plate 31, locking block 311 and reset, locking block 311 corresponds with fixture block 11 position, accomplishes the locking, avoids the roll-off.
In a modified embodiment, the sliding plate 22 is provided with a receiving hole 12, the return component 4 is a spring 41, and the spring 41 is located in the receiving hole 12, and one end of the spring is fixedly connected with the sliding plate 22, and the other end of the spring is fixedly connected with the pressing plate 31.
Through above-mentioned technical scheme, when rotatory pressing plate 31, reset spring 41 is stretched, when loosening pressing plate 31, reset spring 41 resets, drives pressing plate 31 and resets, simple structure, and convenient to use, reset spring 41 are located accommodation hole 12, and the position is stable to reduce the size in clearance between slide 22 and the rack 1 of taking out, dustproof effect is better.
In a modified embodiment, the spring 41 is located in the accommodating hole 12, and has one end fixedly connected to the slide plate 22 and the other end fixedly connected to the locking block 311.
Through the technical scheme, the spring 41 is connected with the sliding plate 22 and the locking block 311, so that the restoring force is stronger and the resetting effect is good.
In a modified embodiment, the grabbing block 221 is provided with a notch 2210, the pressing plate 31 is provided with a pressing block 312, and the pressing block 312 is located in the notch 2210.
Through the above technical solution, when the pressing plate 31 needs to be rotated to separate the locking block 311 from the latch 11, the pressing block 312 is pressed to drive the pressing plate 31 to rotate, and the pressing block 312 is located in the notch 2210, thereby facilitating the operation.
As a modified specific embodiment, the pressing plate 31 is provided with a stopper 313.
Through above-mentioned technical scheme, when making the pressing plate 31 rotate to the maximum angle according to zhu pressing block 312, stopper 313 offsets with snatching piece 221, avoids spring 41 to be stretched excessively, increase of service life.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.
Claims (5)
1. Locking type withdrawable circuit-breaker's pull-out mechanism, including: take out frame (1), it is connected with mounting bracket (2) to slide on frame (1) to take out, mounting bracket (2) are used for laying the circuit breaker, mounting bracket (2) are parallel to each other including connecting plate (21) and two slides (22), slide respectively and connect in the both sides of taking out frame (1), and two slides (22) are connected in connecting plate (21), slide (22) are equipped with on one side of taking out frame (1) and snatch piece (221), its characterized in that: be equipped with mobilizable locking mechanical system (3) on slide (22), locking mechanical system (3) are including press plate (31) of rotatable coupling on slide (22), be equipped with locking block (311) on press plate (31), be equipped with fixture block (11) on taking out frame (1), fixture block (11) correspond with locking block (311) position, be equipped with reset assembly (4) between press plate (31) and slide (22).
2. The drawing mechanism of a locking-type withdrawable circuit-breaker according to claim 1, wherein: be equipped with accommodation hole (12) on slide (22), reset component (4) are spring (41), spring (41) are located accommodation hole (12), one end and slide (22) fixed connection, the other end and press board (31) fixed connection.
3. The drawing mechanism of a locking-type withdrawable circuit-breaker according to claim 2, wherein: the spring (41) is positioned in the accommodating hole (12), one end of the spring is fixedly connected with the sliding plate (22), and the other end of the spring is fixedly connected with the locking block (311).
4. The drawing mechanism of a locking-type withdrawable circuit-breaker according to claim 1, wherein: the grabbing block (221) is provided with a notch (2210), the pressing plate (31) is provided with a pressing block (312), and the pressing block (312) is located in the notch (2210).
5. The drawing mechanism of a locking-type withdrawable circuit-breaker according to claim 1, wherein: a limit block (313) is arranged on the pressing plate (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122311569.8U CN215988494U (en) | 2021-09-23 | 2021-09-23 | Pull-out mechanism of locking type withdrawable circuit-breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122311569.8U CN215988494U (en) | 2021-09-23 | 2021-09-23 | Pull-out mechanism of locking type withdrawable circuit-breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215988494U true CN215988494U (en) | 2022-03-08 |
Family
ID=80570737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122311569.8U Active CN215988494U (en) | 2021-09-23 | 2021-09-23 | Pull-out mechanism of locking type withdrawable circuit-breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215988494U (en) |
-
2021
- 2021-09-23 CN CN202122311569.8U patent/CN215988494U/en active Active
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