CN212322888U

CN212322888U - Earthing switch with linkage structure

Info

Publication number: CN212322888U
Application number: CN202021799344.0U
Authority: CN
Inventors: 顾菁
Original assignee: Jiangsu Sha Zhou Electric Co ltd
Current assignee: Jiangsu Sha Zhou Electric Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-01-08
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses a earthing switch with linkage structure, including the switch seat, locate two at least trigger portions on the switch seat, the trigger bar that parallels with two at least trigger portion's the orientation of arranging, the earth connection that both ends are connected with trigger bar and ground respectively, the trigger bar can the complex towards the direction motion that is close to trigger portion and contradict in trigger portion, or, along the direction motion of keeping away from trigger portion and break away from trigger portion, this earthing switch still includes the linkage structure who is connected with the trigger bar, around the rotatable first actuating lever that sets up of its self axial lead orientation. The utility model discloses an earthing switch, through first actuating lever and linkage structure's setting, when switching earthing switch, only need to rotate first actuating lever and drive linkage structure for linkage structure can drive the trigger bar and contradict on the trigger part or break away from the trigger part, realizes earthing switch's switching, and easy operation is laborsaving, has stopped the potential safety hazard simultaneously.

Description

Earthing switch with linkage structure

Technical Field

The utility model relates to an electrical element field, concretely relates to earthing switch with linkage structure.

Background

An earthing switch, which is a mechanical switch for a circuit earthing part, may have a short-circuit on capacity. Present earthing switch installs inside the electronic box usually, when switching earthing switch, needs operating personnel to visit and stir the earthing switch in the electronic box, not only very hard, has the potential safety hazard moreover.

Disclosure of Invention

The utility model aims at overcoming the not enough of prior art, provide a earthing switch with linkage structure.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a earthing switch with linkage structure, earthing switch includes the switch seat, locates two at least trigger portions on the switch seat, with at least two trigger bar, both ends that the direction of arranging of trigger portion parallels respectively with the earth connection that trigger bar and ground are connected, the trigger bar can the complex towards be close to the direction motion of trigger portion and conflict in on the trigger portion, or, along keeping away from the direction motion of trigger portion breaks away from trigger portion, earthing switch still include with what the trigger bar was connected is used for driving the linkage structure of trigger bar motion, around the rotatable setting of its self axial lead direction be used for the drive linkage structure's first actuating lever.

Preferably, the earthing switch is mounted in a switch box, and the first driving rod can extend outwards towards the switch box along a direction away from the switch base.

Preferably, the linkage structure includes a second driving rod parallel to the trigger rod, and a connecting portion disposed between the second driving rod and the trigger rod, the second driving rod can rotate around its own axis direction and drive the trigger rod to rotate around the axis direction of the second driving rod, and the trigger portion is located on the rotation path of the trigger rod.

Further preferably, the linkage structure further comprises a linkage piece arranged between the first driving rod and the second driving rod, and the linkage piece comprises a first linkage head arranged on the first driving rod, a second linkage head arranged on the second driving rod, and a linkage rod, wherein two ends of the linkage rod are respectively hinged to the first linkage head and the second linkage head.

Still further preferably, the first driving lever and the second driving lever are perpendicular to each other and extend in a horizontal direction, respectively.

Further preferably, there are two connecting portions respectively located at two end portions of the second driving rod.

Still further preferably, the connecting portion includes a connecting member having two ends respectively connected to the second driving lever and the trigger lever, and an elastic member having two ends respectively hinged to the connecting member and the switch base.

Preferably, the trigger part includes the trigger seat, locates trigger piece on the trigger seat, the triggering rod can the cooperation conflict in trigger piece.

Further preferably, the grounding switch further comprises a grounding knife which is arranged on the trigger rod and corresponds to the at least two trigger parts one to one, and the grounding knife can be matched with the trigger parts to abut against the trigger parts.

Preferably, the two grounding wires are respectively connected to two end parts of the trigger rod.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses an earthing switch, through first actuating lever and linkage structure's setting, when switching earthing switch, only need to rotate first actuating lever and drive linkage structure for linkage structure can drive the trigger bar and contradict on the trigger part or break away from the trigger part, realizes earthing switch's switching, and easy operation is laborsaving, has stopped the potential safety hazard simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a grounding switch according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view A-A of FIG. 1.

In the figure: 1. a switch base; 11. an extension portion; 2. a trigger section; 21. a trigger base; 22. a trigger piece; 3. a trigger lever; 31. a grounding knife; 4. a ground line; 5. a first drive lever; 6. a second drive lever; 7. a connecting portion; 71. a connecting member; 72. an elastic member; 8. a linkage member; 81. a first linkage head; 82. a second linkage head; 83. a linkage rod.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings.

The utility model relates to an improvement to earthing switch. The earthing switch who has linkage structure after the improvement, through first actuating lever and linkage structure's setting, when switching earthing switch, only need rotate first actuating lever and drive linkage structure for linkage structure can drive the trigger bar and contradict on the trigger part or break away from the trigger part, realizes earthing switch's switching, and easy operation is laborsaving, has stopped the potential safety hazard simultaneously.

Referring to fig. 1-2, there is shown an earthing switch with a linkage structure, which is installed in a switch box and connected with an electrical component installed in the switch box, and when the electrical component is repaired, the earthing switch needs to be closed to earthing the electrical component, so as to avoid safety accidents during the repair.

The grounding switch comprises a switch base 1, at least two triggering parts 2 arranged on the switch base 1, a triggering rod 3 parallel to the arrangement direction of the at least two triggering parts 2, and a grounding wire 4 with two ends respectively connected with the triggering rod 3 and the ground, wherein the grounding wire 4 is provided with two ends respectively connected with the triggering rod 3. The trigger bar 3 can be matched with and move towards the direction close to the trigger part 2 and abut against the trigger part 2, or move along the direction far away from the trigger part 2 and break away from the trigger part 2, and the grounding switch further comprises a linkage structure which is connected with the trigger bar 3 and used for driving the trigger bar 3 to move, and a first driving rod 5 which is rotatably arranged around the axis line direction of the first driving rod and used for driving the linkage structure. The trigger part 2 is connected with an electric element in a switch box (not shown in the figure), and the grounding of the electric element can be realized by the grounding trigger rod 3 abutting against the trigger part 2.

In this case, the first drive rod 5 can extend in a direction away from the switch base towards the outside of the switch box. So, can be convenient for the maintainer to hold first actuating lever 5 to rotate first actuating lever 5 and in order to drive the motion of trigger bar 3.

Further, as shown in fig. 2, the grounding switch further includes a grounding blade 31 disposed on the trigger rod 3 and corresponding to the at least two trigger parts 2 one by one, the trigger parts 2 include a trigger base 21 and a trigger piece 22 disposed on the trigger base 21, and the grounding blade 31 can be engaged with the trigger piece 22. The metal core is arranged in the trigger seat 21, the insulating layer is arranged around the trigger seat, the metal core is connected to the electric element, the trigger blade 22 is a metal sheet and is connected with the metal core, the grounding blade 31 is also a metal sheet, and the purpose of grounding the electric element is achieved through the interference between the grounding blade 31 and the trigger blade 22.

Further, the linkage structure comprises a second driving rod 6 parallel to the trigger rod 3 and a connecting portion 7 arranged between the second driving rod 6 and the trigger rod 3, the second driving rod 6 can rotate around the axis direction of the second driving rod 6 and drive the trigger rod 3 to rotate around the axis direction of the second driving rod 6, and the trigger portion 2 is located on the rotation path of the trigger rod 3. Two of the connecting portions 7 are respectively located at two ends of the second driving rod 6.

Furthermore, the linkage structure further comprises a linkage member 8 arranged between the first driving rod 5 and the second driving rod 6, and the linkage member 8 comprises a first linkage head 81 arranged on the first driving rod 5, a second linkage head 82 arranged on the second driving rod 6, and a linkage rod 83 with two ends respectively hinged to the first linkage head 81 and the second linkage head 82. The first driving rod 5 and the second driving rod 6 are perpendicular to each other and extend along the horizontal direction, and the first linkage head 81 and the second linkage head 82 are respectively located on the sides of the first driving rod 5 and the second driving rod 6 away from the wall of the switch box. Clockwise rotation first actuating lever 5 can drive the anticlockwise rotation of second actuating lever 6, and anticlockwise rotation first actuating lever 5 can drive the clockwise rotation of second actuating lever 6.

Therefore, the maintainer only needs to rotate the first driving rod 5, the first driving rod 5 drives the second driving rod 6 to rotate through the linkage part 8, and the second driving rod 6 drives the trigger rod 3 to lift or sink so as to achieve the purpose of being close to or far away from the trigger part 2.

Further, as shown in fig. 2, the connecting portion 7 includes a connecting member 71 having two ends respectively connected to the second driving lever 6 and the trigger lever 3, and an elastic member 72 having two ends respectively hinged to the connecting member 71 and the switch base 1. The elastic member 72 is a spring in this example, and is provided to play a role of buffering when the second driving lever 6 rotates in a forward direction and presses down the trigger lever 3, and to play a role of assisting when the second driving lever 6 rotates in a reverse direction and lifts up the trigger lever 3. In this example, an extension part 11 is arranged below the switch base 1, and one end of the spring is hinged on the extension part 11.

The following describes the operation process of this embodiment specifically: when the electrical element needs to be grounded, the first driving rod 5 is rotated anticlockwise to drive the first linkage head 81 to rotate, the first linkage head 81 drives the linkage rod 83 to move upwards, the linkage rod 83 drives the second linkage head 82 to rotate so as to drive the second driving rod 6 to rotate clockwise, and the second driving rod 6 drives the trigger rod 3 to lift upwards and enable the grounding blade 31 to abut against the trigger piece 22, so that the electrical element is grounded;

when the electric element does not need to be grounded, the first driving rod 5 is rotated clockwise to drive the first linkage head 81 to rotate, the first linkage head 81 drives the linkage rod 83 to move downwards, the linkage rod 83 drives the second linkage head 82 to rotate so as to drive the second driving rod 6 to rotate anticlockwise, and the second driving rod 6 drives the trigger rod 3 to sink and enable the grounding knife 31 to be separated from the trigger piece 22.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a earthing switch with linkage structure which characterized in that: earthing switch includes switch seat (1), locates two at least trigger part (2) on switch seat (1), with at least two trigger part (2) arrange orientation parallel trigger bar (3), both ends respectively with earth connection (4) that trigger bar (3) and ground are connected, trigger bar (3) can the complex towards be close to the direction motion of trigger part (2) is contradicted in on trigger part (2), or, along keeping away from the direction motion of trigger part (2) breaks away from trigger part (2), earthing switch still include with what trigger bar (3) were connected is used for driving the linkage structure of trigger bar (3) motion, around the rotatable setting that is used for of its self axial lead orientation drive linkage structure's first actuating lever (5).

2. The earthing switch with linkage structure according to claim 1, wherein: the earthing switch is arranged in a switch box, and the first driving rod (5) can extend outwards towards the switch box along the direction far away from the switch base.

3. The earthing switch with linkage structure according to claim 1, wherein: the linkage structure comprises a second driving rod (6) parallel to the trigger rod (3), and a connecting portion (7) arranged between the second driving rod (6) and the trigger rod (3), the second driving rod (6) can rotate around the axis line direction of the second driving rod (6) and drive the trigger rod (3) to rotate around the axis line direction of the second driving rod (6), and the trigger portion (2) is located on the rotating path of the trigger rod (3).

4. The earthing switch with linkage structure according to claim 3, wherein: linkage structure still including locating first actuating lever (5) with linkage (8) between second actuating lever (6), linkage (8) including locating first linkage head (81) on first actuating lever (5), locate second linkage head (82), both ends on second actuating lever (6) articulate respectively in first linkage head (81) with gangbar (83) on second linkage head (82).

5. The earthing switch having a linkage structure according to claim 3 or 4, wherein: the first driving rod (5) and the second driving rod (6) are perpendicular to each other and extend in the horizontal direction respectively.

6. The earthing switch with linkage structure according to claim 3, wherein: the two connecting parts (7) are respectively positioned at two ends of the second driving rod (6).

7. The earthing switch having a linkage structure according to claim 3 or 6, wherein: the connecting part (7) comprises a connecting piece (71) with two ends respectively connected to the second driving rod (6) and the trigger rod (3), and an elastic piece (72) with two ends respectively hinged to the connecting piece (71) and the switch base (1).

8. The earthing switch with linkage structure according to claim 1, wherein: trigger portion (2) including trigger seat (21), locate trigger piece (22) on trigger seat (21), trigger bar (3) can the complex conflict in on trigger piece (22).

9. The earthing switch having a linkage structure according to claim 1 or 8, wherein: earthing switch still including locate on trigger bar (3) and with at least two trigger part (2) one-to-one earthing switch (31), earthing switch (31) can the complex conflict in on trigger part (2).

10. The earthing switch with linkage structure according to claim 1, wherein: the two grounding wires (4) are respectively connected to two ends of the trigger rod (3).