JP3148717B2 - Switchgear operating device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch operating device for opening and closing an electric circuit by the elasticity of a torsion bar.

[0002]

2. Description of the Related Art FIGS.
FIG. 15 is a plan view showing the configuration and operation of a conventional switch operating device disclosed in Japanese Unexamined Patent Publication No. 130244, FIG. 15 is an external view thereof, and FIG. 16 is a cross-sectional view of an energy storage unit using a torsion bar. As shown in FIG. 15, the switch operating device is composed of a main body 1 and a power storage unit 2, and the power storage unit 2 includes a first torsion bar 3 for opening operation and a second power storage unit, as shown in FIGS. A second torsion bar 4, a third torsion bar 5 for closing operation and a fourth torsion bar 6, a joint 7 for firmly connecting the first torsion bar 3 and the second torsion bar 4, a third torsion bar 5 and a fourth torsion bar And a joint 8 for fixing and connecting them to each other,
The first torsion bar 3 has an end at an opening / closing operation lever 14 of the main body 1 to be described later, and an end of the third torsion bar 5 at an end of the main body 1 to be described later. Is connected to the closing operation lever 20 of
The ends of the second and fourth torsion bars 4, 6 are fixed to the frame 10 of the main body 1.

FIG. 12 shows the structure of the main body 1 in a state where the movable contact 12 of the switch 11 provided on the electric circuit is in a closed state and each of the torsion bars of the energy storage section 2 is charged. is there. The movable contact 12 of the switch 11 is mechanically coupled to an opening / closing operation lever 14 via a link mechanism 13,
The opening / closing operation lever 14 is connected to the first torsion bar 3, and is configured to rotate a predetermined angle by twisting and releasing the twist of the first torsion bar 3.
And a roller 16 are provided. Reference numeral 17 denotes a release latch that rotates about the pin 17a, and reference numeral 18 denotes a release latch.
A trip trigger 19 for preventing or enabling the rotation of the opening switch 19 is an opening electromagnet for operating the trip trigger 18. When the switch 11 is closed, the trip trigger 18 causes the trip latch 17 to rotate. The release latch 17 is engaged with the pin 15 to prevent the opening / closing operation lever 14 from rotating.
1 is maintained in a closed state.

Reference numeral 20 denotes a closing operation lever, which is attached to the third torsion bar 5 and rotates by releasing the torsion of the third torsion bar 5, and its rotational force is transmitted to a large gear 22 via a link 21 and , The rotating shaft 22 of the large gear 22
The cam 23 is fixed to a so as to rotate integrally.
Reference numeral 24 denotes a closing latch that rotates about the pin 24a, reference numeral 25 denotes a closing trigger that prevents or enables rotation of the closing latch 24, reference numeral 26 denotes a closing electromagnet that operates the closing trigger 25,
When the third torsion bar 5 is in the accumulating state and the switch 11 is in the closed state, the trip latch 17 is turned on by the closing trigger 25.
, The closing trigger 25 prevents rotation of the closing latch 24, and the closing latch 24 engages with a pin 27 provided on the cam 23 to prevent rotation of the large gear 22. I have. A small gear 28 meshes with the large gear 22 and drives the large gear 22 by a driving source (not shown).
2 is formed with a toothless portion 22b, and when the third torsion bar 5 is in an accumulating state, the toothless portion 22b is
The two gears are configured to be disengaged from each other. Reference numeral 29 denotes a shock absorber linked to the opening / closing operation lever 14.

In the conventional switch operating device constructed as described above, when the switch 11 is in a closed state and each of the torsion bars of the energy storage section 2 is in an energized state,
As shown in FIG. 12, the first torsion bar 3 and the opening / closing operation lever 14 coupled to the first torsion bar 3 are rotated counterclockwise as indicated by arrows in FIG. However, the rotation is prevented by the engagement between the pin 15 and the tripping latch 17, and the first torsion bar 3 is kept in the charged state. Similarly, a counterclockwise rotational force is applied to the third torsion bar 5 and the closing operation lever 20 coupled thereto, and this rotational force is applied to the large gear 22 coupled via the link 21. Although a clockwise rotational force is applied to the large gear 22, the cam 23
The rotation of the third torsion bar 5 is kept in an energized state by the engagement between the pin 27 and the closing latch 24.

In this state, if power is supplied to the opening electromagnet 19, the plunger 19a moves to the right to release the trip trigger 18 and disengage from the latch 17;
As a result of the release latch 17 rotating and being disengaged from the pin 15, as shown in FIG. 13, the opening / closing operation lever 14 rotates with the opening of the twist of the first torsion bar 3, and the switch 11 To open the electrical circuit. When the electric circuit is closed again, by energizing the closing electromagnet 26, the plunger 26a moves rightward to rotate the closing trigger 25 to release the engagement with the closing latch 24, and the closing latch 24 rotates. When the cam 23 is disengaged from the pin 27, the large gear 22 rotates to the position shown in FIG. 14, and the cam 23 pushes up the roller 16 of the opening / closing operation lever 14 by this rotation, thereby causing the first torsion. Returning the open / close operation lever 14 to the closed position of the switch 11 while applying a twist to the bar 3 and accumulating energy,
The pin 15 and the release latch 17 are engaged to hold the position of the opening / closing operation lever 14. Subsequently, a driving device (not shown) drives the small gear 28 to rotate the large gear 22 to the position shown in FIG. 12 while accumulating the third torsion bar 5.
In this position, the pin 27 and the closing latch 24 engage with each other to maintain the position, and the small gear 28 faces the toothless portion 22b of the large gear 22 to stop driving the large gear 22, and the next open circuit. Prepare for operation.

[0007]

In the conventional switch operating device constructed and operated as described above, the first torsion bar 3 and the third torsion bar 5 of the energy storage section 2 are provided.
Are twisted in the same direction to accumulate, so that the second torsion bar 4 and the fourth torsion bar 6, which are paired with each other and whose ends are fixed to the frame 10 of the main body 1, are in the same direction as the frame 10. The torsion stress is applied, and the frame 10 is deformed to adversely affect the operation mechanism and control unit housed therein. Therefore, in the conventional switchgear operation device, the thickness of the frame 10 is set to a certain value. The thickness cannot be reduced below, which limits the manufacturing cost and the weight reduction.
In addition, the energy storage unit 2 must be arranged in a direction perpendicular to the mounting surface of the opening / closing operation lever 14 and the large gear 22, and the GIS
This places restrictions on the degree of freedom of arrangement.

SUMMARY OF THE INVENTION The present invention has been made to solve such a problem, and it is possible to reduce the manufacturing cost and weight without applying an excessive stress to a frame, and to provide a freedom of arrangement. It is an object of the present invention to obtain a switch operating device capable of obtaining the following.

A switch operating device according to the present invention is an open-circuit operation torsion bar having a first end fixed to a frame of a main body and a second end biased by a torsional stress in a certain direction. An opening / closing operation lever coupled to a second end of the opening operation torsion bar, and opening and closing the switch by releasing the biasing force, a first end is fixed to a frame of the main body, and a second end is said predetermined direction of twist closing operation torsion bar is urged in the opposite direction of twisting stresses to the direction of the stress the torsion bar for open circuit operation is activated, binds to a second end of the closing operation the torsion bar A closing operation lever which is coupled to the closing operation lever, and is provided with a cam mechanism which rotates by opening the biasing force of the closing operation torsion bar, drives the opening / closing operation lever, and closes the switch. Is

Further, the open operation lever attached to the second end of the open operation the torsion bar is connected between the distal end of the open operation lever and the opening and closing operation lever, the rotary shaft of the open circuit operating lever And a rod for transmitting a driving force to the opening and closing operation lever by changing the direction of the opening and closing operation lever by 90 degrees.

The axial direction of the torsion bar for the opening operation and the torsion bar for the closing operation are set so that the opening and closing operation levels are different.
They are arranged in the same direction as the operation direction of the bar .

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1 to 4
FIG. 1 shows a configuration of a switch operating device according to Embodiment 1 of the present invention. FIG. 1 shows a state where an electric circuit is closed and each torsion bar for opening and closing operation is charged. In the second, the torsion bar for opening operation is released and the electric circuit is opened,
FIG. 3 shows a state in which the torsion bar for closing operation keeps accumulating energy.
Shows a state in which the torsion bar for closing operation is released, the electric circuit is closed, and the torsion bar for opening operation is stored again, and FIG. 4 shows the configuration of the storage unit, which is the same as the above-mentioned conventional example in the figure. Parts are given the same reference numerals. The configuration of the energy storage unit 2 shown in FIG. 4 is the same as that of the above-described conventional example, and is configured so that the direction of the torsion bar for energy storage differs from the configuration of the main body 1 described later in operation. In the figure, reference numeral 30 denotes a torsion bar for opening operation, which is constituted by a first torsion bar 3, a second torsion bar 4, and a joint 7 for firmly connecting these joints. Fixed to the frame 10,
The first torsion bar 3 is connected to an opening / closing operation lever 14 of the main body 1 described later. Reference numeral 31 denotes a torsion bar for closing a circuit, which is constituted by a third torsion bar 5, a fourth torsion bar 6, and a joint 8 for firmly connecting these joints, and the fourth torsion bar 6 is attached to the frame 10 of the main body 1. The third torsion bar 5 is fixed, and is connected to a closing operation lever 20 of the main body 1 described later. Reference numeral 9 denotes a cover for accommodating these components and rotatably supporting the joints 7 and 8.

In FIG. 1, reference numeral 11 denotes a switch for opening and closing an electric circuit, and 12 denotes a movable contact thereof, which is mechanically connected to an opening and closing operation lever 14 via a link mechanism 13, and the opening and closing operation lever 14 is used for opening and closing. The torsion bar 30 is coupled to the first torsion bar 3 and is configured to rotate by a predetermined angle by twisting and torsion opening of the first torsion bar 3, and a pin 15 and a roller 16 are provided. In the closed state of 11, the first torsion bar 3 is urged counterclockwise as indicated by the arrow in the figure. Reference numeral 17 denotes a release latch that rotates about the pin 17a, reference numeral 18 denotes a release trigger that prevents or enables rotation of the release latch 17, and reference numeral 19 denotes a release trigger 18 that has a plunger 19a.
In the closed state of the switch 11, the trip trigger 18 prevents the tripping latch 17 from rotating, and the tripping latch 17 engages with the pin 15 of the opening / closing operation lever 14. The switch 11 is prevented from rotating, and the switch 11 is kept closed.

Reference numeral 20 denotes a closing operation lever attached to the third torsion bar 5 of the closing operation torsion bar 31. The closing operation lever rotates when the energy stored in the third torsion bar 5 is released.
The rotational force is transmitted to the large gear 22 via the link 21. When the third torsion bar 5 is in the biased state, the third torsion bar 5 is urged clockwise as shown by the arrow in the figure. 22 is rotated clockwise. A cam 23 is fixed to the rotating shaft 22a of the large gear 22 so as to rotate integrally therewith. Reference numeral 24 denotes a closing latch that rotates about the pin 24a, reference numeral 25 denotes a closing trigger that prevents or enables rotation of the closing latch 24, and reference numeral 26 denotes a closing electromagnet that operates the closing trigger 25 by a plunger 26a. When the switch 31 is in the closed state while the bar 31 is in the charged state, the tripping latch 17 prevents the turning of the closing trigger 25, the closing trigger 25 prevents the turning of the closing latch 24, Reference numeral 24 is engaged with a pin 27 provided on the cam 23 to prevent the rotation of the large gear 22. Reference numeral 28 denotes a small gear that meshes with the large gear 22 and drives the large gear 22 by a drive source (not shown). The small gear 22 has a toothless portion 22b formed in a part of the large gear 22 when the torsion bar 31 for closing operation is charged. Is the toothless portion 22b is a small gear 28
, So that the two gears are disengaged from each other. Reference numeral 29 denotes a shock absorber linked to the opening / closing operation lever 14.

In the switch operating device according to the first embodiment of the present invention, the switch 11 is closed as shown in FIG. 1 and the torsion bar 30 for opening operation of the energy storage unit 2 is provided. When the torsion bar 31 for closing operation and the torsion bar 31 for the closing operation are in the accumulating state, a counterclockwise rotational force is applied to the opening / closing operation lever 14 by the torsional accumulating force of the first torsion bar 3 as shown by the arrow in the figure. A clockwise rotational force is applied to the closing operation lever 20 by the torsional accumulation of the third torsion bar 5 as shown by the arrow in the figure. In this state, the opening / closing operation lever 14 is disengaged from the pin 15 and the release latch 17.
And the trip latch 17 is held in position by the trip trigger 18, and the pin 27 of the large gear 22 connected via the link 21 is connected to the closing latch 24. The position of the closing latch 24 is maintained by the closing trigger 25.

When the switch 11 is opened, the electromagnet 19
The plunger 19a moves rightward to disengage the tripping trigger 18 and the tripping latch 17, and the tripping latch 17 rotates counterclockwise to engage with the pin 15. As a result, as shown in FIG. 2, the opening / closing operation lever 14 rotates counterclockwise due to the torsional accumulation of the first torsion bar 3 and the switch 11 is turned through the link mechanism 13.
Cut off. When the switch 11 is turned on again, the closing electromagnet 26 is energized, the plunger 26a is moved rightward to rotate the closing trigger 25, and the closing latch 24 is disengaged. Since the cam 23 is disengaged from the pin 27 of the cam 23 and the rotational force of the third torsion bar 5 due to torsional accumulation is applied from the closing operation lever 20 to the large gear 22 via the link 21, FIG.
As shown in the figure, the gear 22 and the cam 23 rotate clockwise, the cam 23 pushes up the roller 16, and the opening / closing operation lever 14 rotates clockwise while accumulating the first torsion bar 3 to open and close. The vessel 11 is closed.

After the switch 11 is turned on again, a driving device (not shown) drives the small gear 28 to rotate the large gear 22 to the position shown in FIG. 1 while accumulating the third torsion bar 5, and the position shown in FIG. The pin 27 and the closing latch 24 engage with each other to maintain the position, and the small gear 28
2b and idle, and returns to the initial state shown in FIG. As described above and shown in FIG. 1, in the switch operating device according to the first embodiment of the present invention, the clockwise turning of the closing operation lever 20 can be performed without largely changing the conventional device. The positions of the large gear 22, the link 21, and the closing operation lever 20 are set so that the large gear 22 also rotates clockwise, so that the opening operation torsion bar 30 and the closing operation torsion bar 31 are reversed from each other. Direction, and the application of stress to the frame 10 due to the torsional stress between the second torsion bar 4 and the fourth torsion bar 6, and thus the distortion of the frame 10, can be reduced.
It is possible to reduce the weight and the manufacturing cost by reducing the thickness of the frame 10.

Embodiment 2 FIG. 5 to 11 show the configuration of a switch operating device according to Embodiment 2 of the present invention. FIG. 5 shows a state in which the electric circuit is closed, and each of the torsion bars for the opening operation and the closing operation is charged. FIG. 6 is a plan view of
FIG. 7 is a side view of the circuit, FIG. 7 is a plan view showing a state in which the open-circuit operation torsion bar is released, an electric circuit is opened, and a circuit-opening operation torsion bar is stored, FIG. 8 is a partial side view of FIG. FIG. 10 is a plan view of a state where the torsion bar for closing operation is released, the electric circuit is closed, and the torsion bar for opening operation is stored again, FIG. 10 is a partial side view thereof, and FIG. 11 is a perspective view of the entire configuration. The same reference numerals are given to the same functional portions as in the first embodiment. In the perspective view of the overall configuration of FIG. 11, the energy storage unit 2 includes a torsion bar 30 for opening operation and a torsion bar 31 for closing operation, and the torsion bar 30 for opening operation includes a first torsion bar 3 and a second torsion bar 4. And the joint 7, and the torsion bar 31 for closing operation includes the third torsion bar 5, the fourth torsion bar 6, and the joint 8. The second torsion bar 4 and the fourth torsion bar 6 are the main body 1
The first torsion bar 3 and the third torsion bar 5 are rotatably supported by the bosses 32 and 33, and drive an operation mechanism described later. The torsion bar 30 for opening operation and the torsion bar 31 for closing operation are twisted in opposite directions to accumulate energy and are stored in a cover (not shown).

In FIG. 5 and FIG. 6, reference numeral 34 denotes an opening operation lever coupled to the first torsion bar 3 of the opening operation torsion bar 30 between the bosses 32 and 33;
Is a closing operation lever similarly connected to the third torsion bar 5 of the closing operation torsion bar 31. Reference numeral 14 denotes an opening / closing operation lever rotatably supported on the frame 10 by a shaft 14a and connected to a circuit opening operation lever 34 by a rod 35.
Of the movable contact 12. A pin 15 and a roller 16 are provided on the opening / closing operation lever 14, and when the switch 11 is closed, the first torsion bar 3 is urged clockwise as shown by an arrow in the figure. Reference numeral 17 denotes a tripping latch that rotates about the pin 17a, 18 denotes a tripping trigger that prevents or enables rotation of the tripping latch 17, 19 denotes a plunger 19a, and the tripping trigger 1
8 is an open-circuit electromagnet for operating the switch 8. When the switch 11 is in a closed state, the trip trigger 18 prevents rotation of the trip latch 17, and the trip latch 17 engages with the pin 15 of the opening / closing operation lever 14. Thus, the opening and closing operation lever 14 is prevented from rotating, and the switch 11 is kept closed.

The closing operation lever 20 attached to the third torsion bar 5 of the closing operation torsion bar 31 is connected to the large gear 22 by a rod 36, and the large gear 22 is rotatably attached to the frame 10 by a shaft 22a. ,
A cam 23 is fixed to the shaft 22a and is configured to rotate integrally with the large gear 22. Reference numeral 24 denotes a closing latch that rotates about the pin 24a, reference numeral 25 denotes a closing trigger that prevents or enables rotation of the closing latch 24, and reference numeral 26 denotes a closing electromagnet that operates the closing trigger 25 by a plunger 26a. When the bar 31 is in the charged state, the closing trigger 25 prevents rotation of the closing latch 24, and the closing latch 24 engages with the pin 27 provided on the cam 23 to rotate the cam 23 and the large gear 22. It is blocking.
Reference numeral 28 denotes a small gear which meshes with the large gear 22 and drives the large gear 22 by a drive source (not shown).
In the energy storage state of 1, the toothless portion 22b is located to face the small gear 28, and the two gears are disengaged from each other. Reference numeral 29 denotes a shock absorber linked to the opening / closing operation lever 14.

Since the switch operating device according to the second embodiment of the present invention is configured as described above, the energy storage unit 2 is operated in the same direction as the operating direction of the switch 11 by the open / close operating lever 14, that is, It can be configured in a direction 90 degrees apart from the first embodiment. 5 and 6, when the switch 11 is in the closed state and the open-circuit operation torsion bar 30 and the closed-circuit operation torsion bar 31 of the energy storage unit 2 are in the energy storage state, the first torsion bar 3 As shown by the arrow in the drawing, the clockwise rotational force is accumulated so as to be applied to the opening control lever 34, and the third torsion bar 5 is
As shown by the arrow in the figure, the counterclockwise rotational force is accumulated so as to be applied to the closing operation lever 20. In this state, the position of the opening / closing operation lever 14 connected to the opening operation lever 34 is held by engagement of the pin 15 and the tripping latch 17, and the position of the tripping latch 17 is held by the tripping trigger 18. At the same time, the large gear 22 connected to the closing operation lever 20 includes a pin 2 provided on a cam 23.
The position is held by the engagement of the closing latch 7 with the closing latch 24, and the closing latch 24 is held in position by the closing trigger 25.

When the switch 11 is opened, the electromagnet 19
The plunger 19a moves rightward to disengage the tripping trigger 18 and the tripping latch 17, and the tripping latch 17 rotates counterclockwise to engage with the pin 15. As shown in FIGS. 7 and 8, the opening / closing operation lever 14 is connected to the opening operation lever 34 via the rod 35.
And turns counterclockwise to shut off the switch 11. When the switch 11 is turned on again, the closing electromagnet 2
6, the plunger 26 a is moved rightward to rotate the closing trigger 25, and the engagement between the closing trigger 25 and the closing latch 24 is released, so that the pin 27 provided on the cam 23 and the closing latch 24 With the large gear 2
2 is driven by a closing operation lever 20 via a rod 36, and as shown in FIGS.
3 rotates clockwise and the cam 23 pushes up the roller 16, and the opening / closing operation lever 14 rotates clockwise while accumulating the first torsion bar 3 to close the switch 11.

After the switch 11 is turned on again, a driving device (not shown) drives the small gear 28 to rotate the large gear 22 to the position shown in FIG. The pin 27 and the closing latch 24 engage with each other to maintain the position, and the small gear 28
The mesh is disengaged in opposition to 2b, and returns to the initial state. As described above, in the switchgear operating device according to Embodiment 2 of the present invention, the torsion bar 30 for opening operation is also provided.
And the torsion bar 31 for closing operation are torsionally urged in opposite directions to each other, and further, the second torsion bar 4 and the fourth torsion bar 6 are boss 3 protruding from the frame 10.
2 so that the second torsion bar 4
1 due to the torsional stress between the torsion bar 6 and the fourth torsion bar 6
0 can be greatly reduced, and the energy storage unit 2 can be configured in the same direction as the operation direction of the opening / closing operation lever 14.

[0024]

As described above, according to the switch operating device of the present invention, the directions of the torsional stresses of the opening operation torsion bar and the closing operation torsion bar of the energy storage section are set in opposite directions. since so as to secure the frame of the body as, decreased stress applied to the frame, it becomes possible reduction in the thickness of the frame, that Do enables the reduction of weight and production cost of the apparatus. Opening operation torsion bar
Opening control lever attached to the second end of the
Connected between the tip of the opening control lever and the opening / closing control lever.
The direction of the rotation axis of the opening control lever is changed by 90 degrees.
A rod for transmitting a driving force to the opening / closing operation lever.
By the, could be the construction direction of the energy-storing portion and the opening and closing control lever in the same direction, Ri <br/> was Oh To installed in GIS, excellent without causing a constraint on the flexibility of the arrangement It is possible to obtain a switch operating device.

[Brief description of the drawings]

FIG. 1 is a plan view of a switch operating device according to Embodiment 1 of the present invention.

FIG. 2 is a plan view showing the operation of the switch operating device according to the first embodiment of the present invention.

FIG. 3 is a plan view showing the operation of the switch operating device according to the first embodiment of the present invention.

FIG. 4 is a cross-sectional view illustrating a configuration of a power storage unit of the switch operating device according to Embodiment 1 of the present invention.

FIG. 5 is a plan view of a switch operating device according to Embodiment 2 of the present invention.

FIG. 6 is a side view of a switch operating device according to Embodiment 2 of the present invention;

FIG. 7 is a plan view showing the operation of the switch operating device according to Embodiment 2 of the present invention.

FIG. 8 is a partial side view showing the operation of the switch operating device according to Embodiment 2 of the present invention.

FIG. 9 is a plan view showing the operation of the switch operating device according to Embodiment 2 of the present invention.

FIG. 10 is a partial side view showing the operation of the switch operating device according to Embodiment 2 of the present invention.

FIG. 11 is a perspective view of a switch operating device according to Embodiment 2 of the present invention.

FIG. 12 is a plan view of a conventional switch operating device.

FIG. 13 is a plan view showing the operation of a conventional switch operating device.

FIG. 14 is a plan view showing the operation of a conventional switch operating device.

FIG. 15 is a perspective view of a conventional switch operating device.

FIG. 16 is a cross-sectional view showing a configuration of a power storage unit of a conventional switch operating device.

[Explanation of symbols]

1 body, 2 energy storage unit, 3rd torsion bar, 4
2nd torsion bar, 5 3rd torsion bar, 6 4th torsion bar, 7, 8 joint, 11 switch, 14 opening / closing operation lever, 15 pin, 16 roller, 17 release latch, 18 release trigger, 1
9 opening electromagnet, 20 closing operation lever, 21 link, 22 large gear, 23 cam, 24 closing latch, 2
5 closing trigger, 26 closing electromagnet, 27 pins, 2
8 Small gear, 30 Torsion bar for opening operation, 31
Closing operation torsion bar

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H01H 33/40

Claims (3)

(57) [Claims] An open-circuit operation torsion bar having a first end fixed to a frame of a main body and a second end biased by a torsional stress in a certain direction. An opening / closing operation lever coupled to an end and opening the switch when the urging force is released, a first end fixed to a frame of the main body, and a second end biased by the opening operation torsion bar. said predetermined direction of twist closing operation torsion bar is urged in the opposite direction of twisting stresses to the direction of stress, closing operating lever coupled to the second end of the closing operation the torsion bar, the closing operation that A switch operating device, comprising: a cam mechanism that is coupled to a lever, rotates by opening the biasing force of the closing operation torsion bar, drives the opening / closing operation lever, and closes the switch. . Wherein the open circuit operation lever attached to the second end of the torsion bar for open circuit operation, is coupled between the distal end of the open operation lever and the opening control lever, rotation of the open circuit operating lever The switch operating device according to claim 1, further comprising a rod that changes a direction of an axis by 90 degrees and transmits a driving force to the opening / closing operation lever. 3. The opening / closing device according to claim 2, wherein the torsion bar for opening operation and the torsion bar for closing operation are arranged so that their respective axial directions are the same as the operation direction of the opening / closing operation lever. Vessel operating device.