CN218996593U - A New Locking Device of Power Load Switching Mechanism - Google Patents

Abstract

The utility model discloses a novel locking device of an electric load switch mechanism, which relates to the technical field of locking devices and adopts the technical scheme that: the novel sliding rod comprises a shell, wherein the left inner wall of the shell is slidably connected with a sliding rod, the outer wall of the sliding rod is slidably connected with a linkage device, a handle is fixedly arranged at the top of the sliding rod, a moving block is fixedly arranged at the outer wall of the sliding rod, and a spring III is fixedly arranged at the top of the moving block. The utility model has the beneficial effects that: through the cooperation of aggregate unit and arresting gear, can be through pressing the pressing piece first for the pressing piece first provides ascending power for the fixed block, just can make aggregate unit and linkage support upward movement, just can make all be rectilinear motion between the part, this delay that just makes between the part reduces, can disconnect slide bar and other devices more soon.

Description

A New Locking Device of Power Load Switching Mechanism

technical field

The utility model relates to the technical field of locking devices, in particular to a new locking device of a power load switch mechanism.

Background technique

The power load switch is a switching device between the circuit breaker and the isolating switch. It has a simple arc extinguishing device and can cut off the rated load current and a certain overload current. The existing Chinese patent application number is CN201720621982.5, which discloses a locking device of a load switch mechanism, which relates to the technical field of locking of a load switch mechanism, including a main shaft, a cam arm, a camshaft, a gear and a driving wheel, and a cam arm Sleeved on the main shaft and rotate relative to the main shaft, the driving wheel and the gear are sleeved on the camshaft, the driving wheel is located above the gear and rotates relative to the camshaft, the gear is separated from the driving wheel and the camshaft, and the camshaft turns to realize closing; , also includes the crank arm, the gear is provided with a driving pawl, the driving wheel is provided with a protrusion adapted to the drive pawl, the crank arm is sleeved on the main shaft, and the crank arm is provided with a pushing part, and the main shaft rotates so that the pushing part moves toward the driving The claw moves to disengage it from the drive wheel.

However, the prior art has the following disadvantages: Although the above-mentioned locking device of the load switch mechanism realizes the function of not being able to close the switch after closing through a simple structure, the above-mentioned device makes the drive wheel engage with the drive claw through the rotation of the gear. , this setting is that the switch must be hinged with the device through a gear to be effective, and the gear rotation is a circular motion, which is different from the traditional locking device that does a linear motion. To achieve the corresponding effect, and the same time circular action takes longer to reach the designated location, which is the same as the principle that the time to reach the end point in a straight line is longer than the time to reach the end point in a circle when riding a bicycle, which makes When the device is working, there will be a certain delay.

Utility model content

The technical problem to be solved by the utility model is to provide a new type of locking device of the electric load switch mechanism, through the cooperation of the linkage device and the braking device, the delay between the parts is reduced, and the sliding rod can be disconnected from other devices faster Connect to solve the problem that there will be a certain delay when working.

The utility model is achieved through the following technical solutions:

A new type of locking device for a power load switch mechanism, comprising a housing, the left inner wall of the housing is slidably connected to a sliding rod, the outer wall of the sliding rod is slidably connected to a linkage device, and the outer wall of the linkage device is slidably connected to a braking device. A handle is fixedly installed on the top of the sliding rod, a moving block is fixedly installed on the outer wall of the sliding rod, and a spring three is fixedly installed on the top of the moving block;

The linkage device includes a linkage block, a linkage bracket and a fixed block, the inner wall of the linkage block is slidably connected to the outer wall of the sliding rod, the bottom right side of the linkage block is fixedly connected to the top of the linkage bracket, and the front outer wall of the linkage bracket is connected and fixed piece;

The braking device includes a rotating block, a pressing block 1, and a spring 1. The rotating block is rotatably connected to the inner wall of the housing, and the lower end of the spring 1 is fixed on the inner wall of the housing. The bottoms of the blocks are in sliding contact; the top on the right side of the rotating block is connected to the bottom of the pressing block, and the bottom on the right side of the rotating block is fixedly connected to the top of the spring.

Further, a triangular fixing block is connected to the outer wall of the front bottom of the linkage block.

Further, the front outer wall of the linkage bracket is provided with a through hole, and the through hole is slidably connected to the inner wall of the housing through bolts.

Further, the brake device also includes a locking block, a spring 2, and a pressing block 2, the locking block is rotatably connected to the inner wall of the housing, the lower end of the spring 2 is fixed on the inner wall of the housing, and the locking block The left bottom of the joining block is in sliding contact with the top of the triangular fixed block, the right bottom of the engaging block is fixedly connected to the top of the second spring, and the right top of the engaging block is connected to the bottom of the second pressing block.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model cooperates with the brake device through the linkage device. By pressing the pressing block 1, the pressing block 1 can provide an upward force for the fixed block, so that the linkage block and the linkage bracket can move upward, so that the linkage block pushes the handle to move upward. , so that the sliding rod is upward as a whole, the connection between the sliding rod and other devices can be disconnected. At this time, the triangular fixed block will move to the top of the engaging block, so that the entire linkage device is engaged. All motion is linear, which results in less delay between components, enabling quicker disconnection of the slide bar from other devices.

Description of drawings

Fig. 1 is a side view sectional view of the locking device of the novel electric load switch mechanism described in the present invention;

Fig. 2 is the operating diagram of the push block-rear device provided by the utility model;

Fig. 3 is the operating diagram of the device after pressing the pressing block 2 provided by the utility model;

Fig. 4 is a side view provided by the utility model.

In the figure: shell 1, sliding rod 2, handle 3, linkage block 4, linkage bracket 5, fixed block 6, through hole 7, rotating block 8, pressing block 1 9, spring 1 10, engaging block 11, spring 2 12 , pressing block two 13, moving block 14, spring three 15, triangle fixed block 16.

Detailed ways

The preferred embodiments of the present utility model are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present utility model, and are not intended to limit the present utility model.

Referring to Figures 1-4, the utility model provides a new locking device for a power load switch mechanism, which includes a housing 1, a sliding rod 2, a linkage device and a braking device. The inner wall on the left side of the housing 1 is slid up and down and connected with a sliding rod 2, the outer wall of the sliding rod 2 is slidably connected with a linkage device, and the outer wall of the linkage device is slidably connected with a braking device, and a handle 3 is fixedly installed on the top of the sliding rod 2 outside the housing 1. The outer wall of the sliding bar 2 is fixedly equipped with a moving block 14, and the top of the moving block 14 is fixedly equipped with a spring three 15, the spring three 15 is enclosed within the sliding bar 12, and the other end of the spring three 15 is connected to the top wall of the shell 1. The linkage device comprises a linkage block 4, a linkage bracket 5, a fixed block 6 and a triangular fixed block 16, and the inner wall of the linkage block 4 is slidably connected with the outer wall of the sliding rod 2. Linkage block 4 is positioned at the top outer side of shell, is fixedly connected between the bottom right side of linkage block 4 and linkage bracket 5 top, and is fixedly connected between linkage bracket 5 front outer walls and fixed block 6 back outer walls. The outer wall of the front bottom pair of the linkage bracket 5 is fixedly connected with the outer wall of the back of the triangular fixed block 16. The front outer wall of the linkage bracket 5 is provided with a through hole 7, and the through hole 7 is slidably connected to the inner wall of the shell 1 by bolts. This enables the linkage bracket 5 to move up and down in the housing 1 . The braking device comprises a rotating block 8, a pressing block one 9, a spring one 10, an engaging block 11, a spring two 12, a pressing block two 13,

The middle position of the rotating block 8 is connected to the inner wall of the housing 1 through the rotation of the rotating shaft. The top left side of the rotating block 8 is in sliding contact with the bottom of the fixed block 6. The top right side of the rotating block 8 is connected to the bottom of the pressing block 9. The spring The lower end of one 10 is fixedly connected between the bottom of the right side of the rotating block 8 and the top of the spring one 10 by being fixed on the inner wall of the housing 1 . The spring one 10 enables the rotating block 8 to be bounced back to its original position by the spring one 10 after being pressed by the pressing block one 9 .

The middle part of the engaging block 11 is connected to the inner wall of the housing 1 through the rotating shaft, the lower end of the spring 12 is fixed on the inner wall of the housing 1, and the left bottom of the engaging block 11 is in sliding contact with the top of the triangular fixed block 16, and the engagement is achieved. The right bottom of the block 11 is fixedly connected with the top of the spring two 12, and the top of the right side of the engaging block 11 is connected with the bottom of the pressing block two 13. After the engaging block 11 is pressed by the pressing block 2 13, the spring 2 12 can bounce the engaging block 11 back to its original position.

Spring 3 15 provides elastic force for the sliding rod 2, so that the sliding rod 2 can return to its original position downward after pressing the engaging block 11, install and fix other components through the shell 1, and cooperate with the braking device through the linkage device , press the pressing block one 9, so that the pressing block one 9 provides an upward force for the fixed block 6, and the linkage block 4 and the linkage bracket 5 can be moved upwards, so that the linkage block 4 pushes the handle 3 to move upwards, so that the sliding rod 2 as a whole upwards, the connection between the sliding rod 2 and other devices can be disconnected, and at this time, the triangular fixed block 16 will move to the top of the engaging block 11, so that the entire linkage device is engaged.

The specific working principle of the locking device of the novel power load switch mechanism described in the utility model is as follows:

By moving the pressing block one 9, the pressing block one 9 can provide an upward force for the fixed block 6, so that the linkage block 4 and the linkage bracket 5 can be moved upwards, so that the linkage block 4 pushes the handle 3 to move upwards, so that the sliding rod 2 as a whole Upwards, the connection between the sliding rod 2 and other devices can be disconnected. At this time, the triangular fixed block 16 will move to the top of the engaging block 11, so that the entire linkage device is engaged. After pressing, the spring 10 will make it rotate Block 8 can be bounced up by spring 10 after being pressed by pressing block 1, and returns to its original position, so that sliding rod 2 is always fixed on the top. 13, so that the engaging block 11 is tilted upward, and the triangular fixed block 16 will move downward without support, and at the same time, the spring three 15 will also rebound to make the sliding rod 2 move downward so that the handle 3 drives the linkage block 4 downward, and the The sliding bar 2 returns to the original position, and the triangular fixed block 16 also returns to the bottom of the engaging block 11 at the same time. At this time, the spring 2 12 can bounce the engaging block 11 and return to the original position.

The above are only preferred embodiments of the present utility model, and any person skilled in the art may use the above-mentioned technical solutions to modify the present utility model or modify it into an equivalent technical solution. Therefore, any simple modification or equivalent replacement made according to the technical solution of the utility model belongs to the protection scope of the utility model.

Claims (4)

1. The utility model provides a novel locking device of power load switch mechanism, includes shell (1), shell (1) left side inner wall sliding connection has slide bar (2), its characterized in that: the outer wall of the sliding rod (2) is connected with a linkage device in a sliding manner, the outer wall of the linkage device is connected with a braking device in a sliding manner, a handle (3) is fixedly arranged at the top of the sliding rod (2), a moving block (14) is fixedly arranged on the outer wall of the sliding rod (2), and a spring III (15) is fixedly arranged at the top of the moving block (14);

the linkage device comprises a linkage block (4), a linkage support (5) and a fixed block (6), wherein the inner wall of the linkage block (4) is in sliding connection with the outer wall of the sliding rod (2), the bottom of the right side of the linkage block (4) is fixedly connected with the top of the linkage support (5), and the front outer wall of the linkage support (5) is connected with the fixed block (6);

the braking device comprises a rotating block (8), a first pressing block (9) and a first spring (10), wherein the rotating block (8) is rotationally connected to the inner wall of the shell (1), the lower end of the first spring (10) is fixed to the inner wall of the shell (1), and the top of the left side of the rotating block (8) is in sliding contact with the bottom of the fixed block (6); the right top of the rotating block (8) is connected with the bottom of the pressing block I (9), and the right bottom of the rotating block (8) is fixedly connected with the top of the spring I (10).

2. The lockout device of claim 1, wherein: and the outer wall of the front bottom of the linkage block (4) is connected with a triangular fixing block (16).

3. The lockout device of claim 2, wherein: the front outer wall of the linkage support (5) is provided with a through hole (7), and the through hole (7) is connected with the inner wall of the shell (1) in a sliding mode through bolts.

4. A locking device according to any one of claims 2-3, wherein the braking device further comprises a clamping block (11), a second spring (12) and a second pressing block (13), the clamping block (11) is rotatably connected to the inner wall of the housing (1), the lower end of the second spring (12) is fixed to the inner wall of the housing (1), the bottom of the left side of the clamping block (11) is in sliding contact with the top of the triangular fixing block (16), the bottom of the right side of the clamping block (11) is fixedly connected with the top of the second spring (12), and the top of the right side of the clamping block (11) is connected with the bottom of the second pressing block (13).

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