Quick-acting auxiliary switch structure

Abstract

The utility model relates to the field of switch cabinets, in particular to a quick-acting auxiliary switch structure which comprises an output shaft, an auxiliary shaft, a connecting plate, a crank arm and a pull plate, the output shaft and the auxiliary shaft rotate around the axis of the output shaft, the axis of the auxiliary shaft is parallel to the axis of the output shaft, the connecting plate is fixedly connected to the outer wall of the output shaft, and the crank arm is fixedly connected to the pull plate. The crank arm is fixedly connected to the outer wall of the auxiliary shaft, one end of the pulling plate is hinged to the connecting plate, a sliding opening is formed in the other end of the pulling plate, the length direction of the sliding opening is parallel to the length direction of the pulling plate, a sliding column is fixedly connected to the outer wall of the crank arm, and the sliding column is connected to the inner wall of the sliding opening in a sliding mode. The output shaft rotates to drive the connecting plate to rotate synchronously, the pull plate moves, the sliding column moves in the sliding opening and then moves along with the connecting plate, the auxiliary shaft is driven to rotate, a main switch is switched on firstly, an auxiliary switch is switched on later, secondary operation is not needed, and the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of switch cabinet, in particular to a fast-moving auxiliary switch structure. BACKGROUND

[0002] The switch cabinet (also known as switchgear or complete power distribution device) is an important electrical equipment, which plays a role in accepting and distributing electric energy in the power system.

[0003] The switch in the switch cabinet usually controls different circuits or devices, and multiple switches in the switch cabinet often work in a certain logical order to achieve a specific circuit function or device control. In order to ensure the safety and protection of the equipment, the correct implementation of the circuit logic and function, the compliance with the operation specification and standard, and the convenience of troubleshooting and diagnosis, the operator should strictly operate according to the specified time sequence when operating the switch cabinet, so as to ensure the safe and reliable operation of the equipment.

[0004] In the existing switch cabinet, the auxiliary switch follows the main switch, and at the same time, it is necessary to strictly operate according to the specified time sequence, that is, the main switch is closed first, and the auxiliary switch is connected with the signal secondly. The operator needs to operate twice, and the operation efficiency is low. CONTENT OF THE INVENTION

[0005] In order to improve the operation efficiency, the present application provides a fast-moving auxiliary switch structure.

[0006] The fast-moving auxiliary switch structure provided by the present application adopts the following technical scheme:

[0007] The fast-moving auxiliary switch structure comprises an output shaft, an auxiliary shaft, a connecting plate, a crank arm and a pull plate. The output shaft and the auxiliary shaft are both rotatable around their own axes. The axis of the auxiliary shaft is parallel to the axis of the output shaft. The connecting plate is fixedly connected to the outer wall of the output shaft. The crank arm is fixedly connected to the outer wall of the auxiliary shaft. One end of the pull plate is hingedly connected to the connecting plate. The other end of the pull plate is provided with a sliding opening. The outer wall of the crank arm is fixedly connected with a sliding column. The sliding column is slidingly connected to the inner wall of the sliding opening.

[0008] By adopting the above technical scheme, the output shaft rotates to drive the connecting plate to rotate synchronously, the pull plate moves, the sliding column moves in the sliding opening first and then moves with the connecting plate, and the auxiliary shaft is driven to rotate. The main switch is closed first, the auxiliary switch is connected with the signal secondly, no secondary operation is needed, and the operation efficiency is improved.

[0009] Preferably, the sliding opening comprises a strip-shaped opening and a limiting opening. The length direction of the strip-shaped opening is parallel to the length direction of the pull plate. The limiting opening is provided with two limiting openings, which are respectively communicated with the two ends of the strip-shaped opening. The diameter of the limiting opening is equal to the diameter of the sliding column. The width of the strip-shaped opening is equal to the diameter of the limiting opening.

[0010] By adopting the technical scheme, the strip-shaped opening and the limiting opening are used for guiding the sliding of the sliding column, facilitating stable sliding of the sliding column and controlling rotation of the auxiliary shaft.

[0011] Preferably, the adjusting plate is further included, the adjusting plate is slidingly connected to the pull plate, a sliding direction of the adjusting plate is parallel to a length direction of the pull plate, and the adjusting plate is used for abutting against the sliding column.

[0012] By adopting the technical scheme, the adjusting plate adjusts the moving distance of the sliding column, facilitating application in different working conditions.

[0013] Preferably, two adjusting plates are arranged, and the two adjusting plates are respectively arranged near two ends of the sliding opening.

[0014] By adopting the technical scheme, the two adjusting plates increase the adjusting range of the moving distance of the sliding column, facilitating application in different working conditions.

[0015] Preferably, one end of the adjusting plate, which faces the other adjusting plate, is provided with a limiting groove, and the limiting groove is used for abutting against the sliding column.

[0016] By adopting the technical scheme, the limiting groove limits the movement of the sliding column, facilitating adjustment of the moving distance of the sliding column.

[0017] Preferably, a bolt is further included, the pull plate is provided with a fixed opening, the adjusting plate is provided with a connecting opening, a length direction of the connecting opening is parallel to a length direction of the sliding opening, and the bolt is threadedly connected to an inner wall of the fixed opening after penetrating through the connecting opening.

[0018] By adopting the technical scheme, the position of the adjusting plate is facilitated to be adjusted, the adjusting plate is facilitated to be fixed through the bolt, and the operation is simple and convenient.

[0019] Preferably, a plurality of fixed openings are arranged, the plurality of fixed openings are respectively arranged on two sides of the sliding opening, a plurality of connecting openings are arranged, the connecting openings are arranged in one-to-one correspondence with the fixed openings, and a plurality of bolts are arranged, the bolts are arranged in one-to-one correspondence with the fixed openings.

[0020] By adopting the technical scheme, the plurality of connecting openings guide the sliding of the adjusting plate, facilitating control of the position of the adjusting plate.

[0021] Preferably, one end of the pull plate, which is away from the sliding opening, is provided with a hinged opening, an outer wall of the connecting plate is fixedly connected with a hinge column, and the hinge column is coaxially and rotationally connected to an inner wall of the hinged opening.

[0022] By adopting the technical scheme, the connecting plate moves to drive the pull plate to move, the hinged opening limits the hinge column, and the pull plate is facilitated to stably rotate.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. The output shaft rotates to drive the connecting plate to rotate synchronously, the pull plate moves, the sliding column moves in the sliding port first and then moves with the connecting plate, driving the auxiliary shaft to rotate, realizing that the main switch is closed first and the auxiliary switch is connected with the signal second, without secondary operation, improving the operation efficiency;

[0025] 2. The strip-shaped port and the limiting port are used for guiding the sliding of the sliding column, facilitating stable sliding of the sliding column and controlling rotation of the auxiliary shaft;

[0026] 3. The two adjusting plates improve the adjustment range of the moving distance of the sliding column, facilitating application in different working conditions. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 It is a whole structure schematic diagram of a quick-action auxiliary switch structure.

[0028] Figure 2 It is a whole structure schematic diagram of a pull plate, an adjusting plate and a bolt.

[0029] Figure 3 It is a whole structure schematic diagram of a quick-action auxiliary switch structure, mainly showing a state in which the pull plate is ready to pull the crank arm.

[0030] Figure 4 It is a whole structure schematic diagram of a quick-action auxiliary switch structure, mainly showing a state in which the auxiliary switch reaches a contact point.

[0031] Figure 5 It is a whole structure schematic diagram of a quick-action auxiliary switch structure, mainly showing a state in which the auxiliary switch reaches a middle position.

[0032] Figure 6 It is a whole structure schematic diagram of a quick-action auxiliary switch structure, mainly showing a state in which the auxiliary switch is connected with the signal.

[0033] The reference signs are as follows: 1, output shaft; 2, auxiliary shaft; 3, connecting plate; 31, hinged column; 4, crank arm; 41, sliding column; 5, pull plate; 51, hinged port; 52, sliding port; 521, strip-shaped port; 522, limiting port; 53, fixed port; 6, adjusting plate; 61, limiting groove; 62, connecting port; 7, bolt. DETAILED DESCRIPTION

[0034] The following will be described in detail in combination with the accompanying Figures 1-6 The present application will be further described in detail.

[0035] The embodiment of the present application discloses a quick-action auxiliary switch structure. Referring to Figure 1The quick-action auxiliary switch structure comprises an output shaft 1, an auxiliary shaft 2, a connecting plate 3, a crank arm 4 and a pull plate 5.

[0036] The output shaft 1 and the auxiliary shaft 2 rotate around their own axes, the axis of the auxiliary shaft 2 is parallel to the axis of the output shaft 1, the connecting plate 3 is fixedly connected to the outer wall of the output shaft 1, the outer wall of the connecting plate 3 is fixedly connected with a hinged column 31, the axis of the hinged column 31 is parallel to the axis of the output shaft 1, the crank arm 4 is fixedly connected to the outer wall of the auxiliary shaft 2, the outer wall of the crank arm 4 is fixedly connected with a sliding column 41, the axis of the sliding column 41 is parallel to the axis of the hinged column 31.

[0037] With reference to Figure 1 and Figure 2 , one end of the pull plate 5 is provided with a hinged port 51, the other end of the pull plate 5 is provided with a sliding port 52, the length direction of the sliding port 52 is parallel to the length direction of the pull plate 5, the sliding port 52 comprises a strip-shaped port 521 and a limiting port 522, the length direction of the strip-shaped port 521 is parallel to the length direction of the pull plate 5, the limiting port 522 is provided with two, the two limiting ports 522 are respectively communicated with the two ends of the strip-shaped port 521, the diameter of the limiting port 522 is equal to the diameter of the sliding column 41, and the width of the strip-shaped port 521 is equal to the diameter of the limiting port 522. The hinged column 31 is coaxially rotationally connected to the inner wall of the hinged port 51, and the sliding column 41 is slidingly connected to the inner wall of the sliding port 52.

[0038] The quick-action auxiliary switch structure further comprises an adjusting plate 6 and a bolt 7, the adjusting plate 6 is slidingly connected to the pull plate 5, the sliding direction of the adjusting plate 6 is parallel to the length direction of the pull plate 5, the adjusting plate 6 is provided with two, and the two adjusting plates 6 are respectively close to the two ends of the sliding port 52. One end of the adjusting plate 6 facing the other adjusting plate 6 is provided with a limiting groove 61 for abutting against the sliding column 41, the diameter of the groove bottom of the limiting groove 61 is greater than or equal to the diameter of the sliding column 41, and the width of the groove opening of the limiting groove 61 is greater than or equal to the width of the strip-shaped port 521.

[0039] With reference to Figure 2 , the pull plate 5 is provided with a fixed port 53, the fixed port 53 is provided with four, the four fixed ports 53 are evenly divided into two groups, the two groups of fixed ports 53 are respectively arranged on the two sides of the sliding port 52, each group of fixed ports 53 is provided with two, the two fixed ports 53 are respectively close to the two limiting ports 522, and the distance between the two fixed ports 53 is less than the length of the strip-shaped port 521. The adjusting plate 6 is provided with a connecting port 62, the length direction of the connecting port 62 is parallel to the length direction of the sliding port 52, each adjusting plate 6 is provided with two connecting ports 62, and the connecting ports 62 are one-to-one correspondingly arranged with the fixed ports 53. The bolt 7 is threadedly connected to the inner wall of the fixed port 53 after penetrating through the connecting port 62, the bolt 7 is provided with four, and the bolt 7 is one-to-one correspondingly arranged with the fixed port 53.

[0040] With reference to Figure 1In the initial position, the sliding column 41 is arranged in the strip-shaped hole 521;

[0041] Referring to Figure 3 After the output shaft 1 rotates counterclockwise by 24°, the pull plate 5 contacts the toggle arm 4, i.e. the sliding column 41 abuts against the downward inner wall of the sliding hole 52, and is ready to pull the auxiliary shaft 2 to rotate;

[0042] Referring to Figure 4 After the output shaft 1 rotates counterclockwise by 4°, the pull plate 5 pulls the toggle arm 4 to make the auxiliary shaft 2 rotate, and the auxiliary switch reaches the contact point;

[0043] Referring to Figure 5 After the output shaft 1 rotates counterclockwise by 24°, the pull plate 5 pulls the toggle arm 4 to make the auxiliary shaft 2 continue to rotate, and the auxiliary switch reaches the intermediate position. The internal spring of the auxiliary switch is compressed to the critical point, and the auxiliary switch is in the idle stroke.

[0044] Referring to Figure 6 After the output shaft 1 rotates, the internal spring of the auxiliary switch is released after the auxiliary switch passes the middle position, and pushes the auxiliary shaft 2 to rotate so that the auxiliary switch reaches the signal contact point. At this time, the auxiliary switch signal is connected, and the output shaft 1 reaches the closing position during the signal sending period after the auxiliary switch passes the middle position, which meets the timing requirements of the auxiliary switch.

[0045] The implementation principle of the fast-action auxiliary switch structure of the embodiment of the application is that the output shaft 1 rotates to drive the connecting plate 3 to rotate synchronously, the pull plate 5 moves, the sliding column 41 moves in the sliding hole 52 first and then moves with the connecting plate 3, drives the auxiliary shaft 2 to rotate, and realizes that the main switch is closed first and the auxiliary switch is connected with the signal later.

[0046] The above are preferred embodiments of the application, and do not limit the protection scope of the application. Therefore, equivalent changes made according to the structure, shape and principle of the application should be covered in the protection scope of the application.

Claims

1. A fast-acting auxiliary switch structure, characterized by: The utility model provides an output shaft (1), auxiliary shaft (2), connecting plate (3), crooked arm (4) and pull plate (5), the output shaft (1) and auxiliary shaft (2) all rotate around own axis, the axis of auxiliary shaft (2) is parallel to the axis of output shaft (1), the connecting plate (3) is fixedly connected to the outer wall of output shaft (1), the crooked arm (4) is fixedly connected to the outer wall of auxiliary shaft (2), one end of pull plate (5) is hinged to connecting plate (3), the other end of pull plate (5) is equipped with sliding mouth (52), the length direction of sliding mouth (52) is parallel to the length direction of pull plate (5), the outer wall of crooked arm (4) is fixedly connected with sliding column (41), and sliding column (41) is slidably connected to the inner wall of sliding mouth (52).

2. A fast-make auxiliary switch structure according to claim 1, characterized in that: The sliding mouth (52) includes a strip-shaped mouth (521) and a limiting mouth (522), the length direction of the strip-shaped mouth (521) is parallel to the length direction of the pull plate (5), the limiting mouth (522) is provided with two, the two limiting mouths (522) are respectively communicated with both ends of the strip-shaped mouth (521), the diameter of the limiting mouth (522) is equal to the diameter of the sliding column (41), and the width of the strip-shaped mouth (521) is equal to the diameter of the limiting mouth (522).

3. A fast-make auxiliary switch structure according to claim 2, characterized in that: Further comprising an adjusting plate (6), the adjusting plate (6) is slidably connected to the pull plate (5), the sliding direction of the adjusting plate (6) is parallel to the length direction of the pull plate (5), and the adjusting plate (6) is used for abutting against the sliding column (41).

4. A fast-make auxiliary switch structure according to claim 3, characterized in that: The adjusting plate (6) is provided with two, and the two adjusting plates (6) are respectively close to both ends of the sliding mouth (52).

5. A fast-make auxiliary switch structure according to claim 4, characterized in that: One end of the adjusting plate (6) towards the other adjusting plate (6) is provided with a limiting groove (61), and the limiting groove (61) is used for abutting against the sliding column (41).

6. A fast-make auxiliary switch structure according to claim 3, characterized in that: Further comprising a bolt (7), the pull plate (5) is provided with a fixed mouth (53), the adjusting plate (6) is provided with a connecting mouth (62), the length direction of the connecting mouth (62) is parallel to the length direction of the sliding mouth (52), and the bolt (7) is threadedly connected to the inner wall of the fixed mouth (53) after penetrating through the connecting mouth (62).

7. A fast-make auxiliary switch structure according to claim 6, characterized in that: The fixed mouth (53) is provided with a plurality of, a plurality of the fixed mouth (53) is respectively arranged on both sides of the sliding mouth (52), the connecting mouth (62) is provided with a plurality of, the connecting mouth (62) is set up one by one with the fixed mouth (53), and the bolt (7) is provided with a plurality of, the bolt (7) is set up one by one with the fixed mouth (53).

8. The fast-make auxiliary switch structure of claim 1, wherein: One end of the pull plate (5) away from the sliding mouth (52) is provided with a hinged mouth (51), the outer wall of the connecting plate (3) is fixedly connected with a hinged column (31), and the hinged column (31) is coaxially rotatably connected to the inner wall of the hinged mouth (51).

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