JPH11167845A - Switch apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the cost and to prevent erroneous wiring by using only one connector plug. SOLUTION: A return spring to swing an operant 2, an electromagnetic holding mechanism 9 for rotating and holding the operation element 2 by magnetic force of a permanent magnet in one direction against the return spring and generating a magnetic field to cancel magnetic force of the permanent magnet by electricity application to an electromagnetic apparatus 5, and a switching mechanism for ON/OFF operation interlocked with the operant 2 are installed in a case 1, a plug fitting part 66 of a connector for electricity application to a coil 15 of the electromagnetic apparatus 5 is formed in a connector housing part 63 installed in the case, terminal insertion holes 67A, 67B are formed in the bottom part of the plug fitting part 66, terminals 12, 13 connected with the coil 15 are respectively inserted into the terminal insertion holes 67A, 67B, and contact parts of the terminals 12, 13 are projected into the plug fitting part 66 to constitute this switch apparatus.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a switch device having an interruption function.

[0002]

2. Description of the Related Art As a conventional switch device of this type, as shown in FIGS.
A switch housing space (not shown) is provided on both sides of the electromagnetic holding mechanism housing space 80, and a return spring 82 for swinging the operation element 81 to the switch-off state is provided in the electromagnetic holding mechanism housing space 80. The operating element 81 is generated by the magnetic force of the magnet 83
And an electromagnetic holding mechanism 85 that generates a magnetic field that cancels the magnetic force of the permanent magnet 83 by energizing the electromagnet device 84 and installs the switch mechanism in the switch housing space. There are two circuit configurations provided.

In such a switch device, one terminal 86 connected to one end of the coil wire of the coil 84A and the other end of the coil wire are provided to energize the coil 84A of the electromagnet device 84. And the other terminal 87 is connected to the terminal insertion hole 89 provided at the bottom of the electromagnetic holding mechanism housing space 80.
90 and protrudes to the rear side of the case 79.

The switch device is mounted on, for example, a copying machine or the like, and first and second terminals 91 and 9 of the switch mechanism are provided.
In the case where the second terminal connection portions 91B and 92B are connected to the cutoff circuit and the coil 84A is connected to the power supply circuit side, two connector plugs 93 and 94 (see FIG. 14) connected to the power supply circuit side are prepared. One connector plug 93 is connected to one terminal 86 and the other connector plug 94 is connected to the other terminal 87.
And the coil 84A is energized.

[0005]

However, in the above-described conventional switch device, two terminals 86 and 87 for energizing the coil 84A exist in a separated state, and the coil 84A is connected to the power supply circuit. Side, two connector plugs 93, 94 connected to the power supply circuit side.
And one connector plug 93 is connected to one terminal 8.
6, two connector plugs 93 and 94 are connected so that the other connector plug 94 is connected to the other terminal 87, respectively.
The need for the individual pieces not only causes an increase in cost, but also causes a problem that wiring errors easily occur.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to reduce the cost by not only reducing the number of connector plugs to one, but also reducing the cost. An object of the present invention is to provide a switch device capable of preventing a mistake.

[0007]

According to a first aspect of the present invention, there is provided a switch device comprising: an electromagnetic holding mechanism housing space and a switch housing space provided in a case; In the storage space, a return spring that swings the operation element and a magnetic force of the permanent magnet hold the operation element in one direction against the return spring and hold the operation element in one direction and energize the electromagnet device to reduce the magnetic force of the permanent magnet. A switch device in which an electromagnetic holding mechanism for generating a canceling magnetic field is installed, and a switch mechanism that performs an on / off operation in conjunction with the operation element is housed in the switch housing space. A connector electrically connected to a coil of the electromagnet device is provided.

With this configuration, the switch device is mounted on, for example, a copying machine, the terminal of the switch mechanism is connected to the cutoff circuit, the connector plug connected to the power supply circuit is fitted into the connector, and the electromagnet device is mounted. Can be energized.

As described above, since the means for energizing the coil has a connector configuration, when the electromagnet device is connected to the power supply circuit, one connector plug connected to the power supply circuit is prepared. What is necessary is just to couple this connector plug to a connector, and the connector plug becomes one,
Not only that, cost reduction is possible, but also wiring errors can be prevented.

In order to achieve the above object, a switch device according to a second aspect of the present invention is the switch device according to the first aspect, wherein the connector is formed in the case with a connector housing portion in the case. A plug fitting portion is provided in the connector housing portion, and one and the other terminal insertion holes are formed in a bottom portion of the plug fitting portion, and connected to the electromagnetic holding mechanism to one end of a coil wire of the coil of the electromagnet device. One terminal and the other terminal connected to the other end of the coil wire, and the one terminal is inserted into the one terminal insertion hole, and the other terminal is inserted into the other terminal insertion hole. Each of the terminals was inserted, and the contact portions of the one and other terminals protruded into the plug fitting portion.

With this configuration, the switch device is mounted on, for example, a copying machine or the like, the terminal connection portion of the terminal of the switch mechanism is connected to the shutoff circuit, and the connector plug connected to the power supply circuit side is plugged into the connector. Each of the contact portions of the one and other terminals connected to the coil of the electromagnet device can be inserted into the female terminal of the connector plug to energize the coil.

As described above, one and the other terminals for energizing the coil have a connector configuration in which the respective contact portions protrude into the plug fitting portions of the connector housing portion. In the case of connection to the power supply circuit side, one connector plug connected to the power supply circuit side is prepared, and this connector plug may be connected to the connector, so that only one connector plug is required, and the cost can be reduced accordingly. Or, a wiring error can be prevented.

According to a third aspect of the present invention, there is provided a switch device according to the third aspect of the present invention, wherein the one terminal has one dummy terminal other than the contact portion. In addition to the contact portion, the other terminal is provided with the other dummy terminal portion, and the one and the other dummy terminal portions are inserted into the dummy terminal insertion holes provided in the case.

With this configuration, not only can the same operation and effect as the above-described second embodiment be obtained, but also by inserting one and the other dummy terminal portions into the dummy terminal insertion holes provided in the case, The storage and fixing of the electromagnetic holding mechanism to the electromagnetic holding mechanism storage space can be made strong.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a longitudinal sectional view of a switch device according to the present invention, FIG. 2 is a bottom view of the switch device, FIG. 3 is a plan view of the switch device with a part thereof omitted, and FIG. D-
FIG. 4B is a cross-sectional view taken along the line FF of FIG. 4A.

As shown in FIG. 1, the switch device according to the present invention comprises a case 1 and an operating element 2 which swings to one side to turn on the switch mechanism S and swings to the other side to turn off the switch mechanism S. The operating element 2 is made of synthetic resin, and the lever section 3 and front and rear spring receiving sections 53 are formed integrally with the operating element 2 inside the operating element 2. .

In the case 1, a pair of partition walls 34, 35 along the case longitudinal direction (left-right direction) and a pair of partition wall portions 36, 3 along the case short direction (front-rear direction).
7, the electromagnetic holding mechanism storage space 3 having a rectangular shape in plan view.
8, the left and right switch housing spaces 39A, 39A,
39B.

The bottom 38A of the electromagnetic holding mechanism storage space 38 is formed in two steps, and the bottom 38A of the first step is formed.
A dummy terminal insertion hole 60 is formed in 1 and a dummy terminal insertion hole 61 is formed in the second-stage bottom surface 38A-2. A connector housing portion 63 of a connector socket 62 constituting a two-pole connector is formed integrally with the case 1 outside the second-stage bottom surface portion 38A-2.

The connector housing portion 63 includes one connector forming portion 64 having a U-shaped cross section and the other flat plate-shaped connector forming portion 6 facing the connector forming portion 64.
5, one and the other connector forming portions 6
A plug fitting portion 66 is formed between 4 and 65. A terminal insertion hole 67 is provided at the bottom of the plug fitting portion 66.
A and 67B are formed. One connector forming part 64
A dovetail-shaped engaging groove 68 along the plug insertion direction is formed on the inner surface of the plug. In addition, terminal insertion holes 51A and 52A are formed in the bottom 50 of the one switch storage space 39A.
A terminal insertion hole 51B is provided in the other switch storage space 39B.
52B are respectively formed.

The electromagnetic holding mechanism 9 is installed in the electromagnetic holding mechanism storage space 38. The electromagnetic holding mechanism 9 includes an electromagnet device 5 that is vertically disposed on a bottom surface 38A-1 of the electromagnetic holding mechanism housing space 38. The electromagnet device 5 includes a bobbin 6 made of synthetic resin. Has a winding holding part 7 and a permanent magnet slide part 8 as shown in FIGS. 5 and 6, and the permanent magnet slide part 8 is formed with a pair of slide rail parts 10, 10.

One terminal 12 is attached to the left side of the winding holding portion 7, and the one terminal 12 has a crank shape having a first bent portion 12a and a second bent portion 12b. And a contact portion 12B is formed, and a dummy terminal portion 12-1 is projected from the first bent portion 12a. An intermediate portion 13A of the other terminal 13 is located between the slide rail portions 10 and 10, and a contact portion 13B is formed to be bent at a right angle from the intermediate portion 13A. The right end portion of the intermediate portion 13A is bent at a right angle to form a dummy terminal portion 13-1. The contact portion 12B of one terminal 12 and the contact portion 13B of the other terminal 13 are arranged in parallel.

A lower portion of a yoke (iron core) 14 is inserted and fixed to the winding holding portion 7 of the bobbin 6, and a coil 15 is wound around a periphery of the yoke 14. One end of the coil wire is connected to the coil wire connection portion 12C of one terminal 12, and the other end of the coil wire is connected to the coil wire connection portion 13C of the other terminal 13.

On the lower left side of the yoke 14, a pair of suction portions 14A, 14A are formed, and these suction portions 14A, 14A protrude toward the slide rail portions 10, 10.

A slider 16 made of synthetic resin is movably provided on the slide rail section 10 of the permanent magnet slide section 8. That is, as shown in FIGS. 8 to 10, the slider 16 has slide grooves 17, 17 for holding the slide rails 10, 10, a magnet accommodating portion 18 at an intermediate portion, and a lever engaging portion at an upper end, as shown in FIGS. Each has a joint 19. The permanent magnet 20 is accommodated in the magnet accommodating portion 18, and iron plates 21, 21 which are magnetic bodies located on both sides of the permanent magnet 20 are accommodated. These iron plates 2
Protrusions 22, 22 are formed on the left side edges of 1, 21 and these protrusions 22, 22 protrude leftward from the left surface of the slider 16.

The electromagnetic holding mechanism 9 constructed as described above is accommodated in the electromagnetic holding mechanism accommodating space 38, and the contact portions 12B and 13B of one and the other terminals 12 and 13 are connected to the case 1 respectively. Are inserted into the terminal insertion holes 67A and 67B of the connector socket 62 on the bottom surface of the connector socket 62, and protrude into the plug fitting portion 66. The dummy terminal portion 12-1 of one terminal 12 is inserted into the dummy terminal insertion hole 61, and the dummy terminal portion 13-1 of the other terminal 13 is inserted into the dummy terminal insertion hole 60. The fixing of the electromagnet device 5 to the case 1 is strengthened by the parts 12-1 and 13-1.

The slider 16 on which the permanent magnet 20 is mounted is movable in the left and right directions by holding the slide rails 10 and 10 in the slide grooves 17 and 17. 21, the protrusions 22, 22 are attached to the suction portions 14 A, 1
The lever portion 3 of the operation element 2 is rotatably engaged with the lever engagement portion 19 of the slider 16.

As described above, when the protrusions 22, 22 of the iron plates 21, 21 on both sides of the permanent magnet 20 are attracted to the attracting portions 14A, 14A of the yoke 14, by magnetic force, the end of the operator 2 The spring receiving portion 23 compresses a return spring 24 provided on the right side of the case 1.

In the case of a switch device in which only one circuit is used as a modification of the two-circuit configuration, the unused circuit (the other switch mechanism) is a movable piece, and a spring is a dummy in which the same one as the two-circuit configuration is incorporated. The reason why the dummy switch mechanism that is unnecessary in the electric circuit is incorporated is that if the movable piece and the spring for one circuit are eliminated, the entire power relationship including the reset portion is broken. In the present invention, the switch mechanism S is stored in one switch storage space 39A, but the switch mechanism S is stored in the other switch storage space 39B. However, the balance of the force is lost, but the balance of the force is corrected by changing the load of the return spring 24.

As shown in FIG. 4, the switch mechanism S includes a first terminal 40, a second terminal 41, a movable piece 42,
And a spring 54 that is a reversing spring. The first terminal 40 is connected to the terminal body 40A by a terminal connection part 40 bent at a right angle to the surface of the terminal body 40A.
B, and this terminal body 4 is attached to the end of the terminal body 40A.
A fulcrum portion 40C is formed to be bent at a right angle in a direction opposite to the terminal connection portion 40B with respect to the surface portion of 0A. The fulcrum portion 40C has projecting fulcrum 45 on the front and rear as shown in FIG. 4 (2), and the fulcrum 45 is a fulcrum receiving portion 45A.

The second terminal 41 is connected to a terminal body 41A.
In addition, a terminal connection portion 41B bent at a right angle to the surface of the terminal body 41A is formed, and a fixed contact 46 is provided on the surface of the terminal body 41A.

The movable piece 42 is a movable piece main body 42A.
A spring receiving portion 43 is formed in the upper portion of the movable piece main body 42A, and a fulcrum notch portion 44 is formed in front and rear of the lower portion of the movable piece main body 42A. An arm portion 47 is formed on the left side of the movable piece main body 42A, and a contact mounting portion 47a on the front side of the arm portion 47 is formed.
A movable contact 48 is provided on the lower surface of the movable piece main body 42.
A stopper 49 is provided on the right side of A.

The first terminal 40 has its terminal connection portion 40B inserted into a terminal insertion hole 51A provided in the bottom portion 50 of the switch housing space 39A, and is attached to the bottom portion 50. The second terminal 41 is attached to the bottom 50 by inserting its terminal connection portion 41B into a terminal insertion hole 52A provided in the bottom 50 of the switch housing space 39A. The movable piece 42 has a lower portion of the movable piece main body 42A placed on a fulcrum receiving portion 45A of a fulcrum portion 40C of the first terminal 40 and a fulcrum notch portion 44A.
A fulcrum 45 is inserted into the fulcrum and is swingably supported by a fulcrum 40C.

A spring 54, which is a reversing spring, is provided at the upper and lower ends of the spring receiving portion 53 inside the operation element 2 and the spring receiving portion 43 above the movable piece 42.

FIG. 11 shows a connector plug 70 connected to the connector socket 62 constituting the two-pole connector. The connector plug 70 is connected to the plug fitting portion 66.
The plug body 71 has a shape that fits into the plug body 71, and an engagement protrusion 72 that engages with the engagement groove 68 is formed on a surface 71 a of the plug body 71. Then, two terminal insertion holes 73A are formed in the end face portion 71b of the plug body 71,
73B, and these terminal insertion holes 73A, 73A are provided.
Female terminals 74A and 74B are inserted and fixed to 3B,
Lead wires 75A and 75B are connected to the female terminals 74A and 74B.

Next, the operation of the switch device configured as described above will be described. The switch device is mounted on, for example, a copying machine or the like, and connects the terminal connection portions 40B and 41B of the first and second terminals 40 and 41 of the switch mechanism S to the cutoff circuit, and is connected to the power supply circuit side. The connector plug 70 is fitted into the plug fitting portion 66 of the connector socket 62, and the contact portions 1 of the one and the other terminals (male terminals) 12 and 13 connected to the coil 15 of the electromagnet device 5.
2B and 13B are inserted into the female terminals 74A and 74B to energize the coil 15.

In this case, as shown in FIG. 4A, when the operator 2 is swung to the left, the operator
Is pivoted to the left, and the movable piece 42 is
The movable contact 48 is swung to the right with the fulcrum as a fulcrum, and the movable contact 48 is separated from the fixed contact 46 to be in a switch-off state.

From the switch-off state, the operator 2
Is pivoted to the right, the operating element 2 is pivoted to the right by the spring 54, and the movable contact piece 42 is pivoted to the left with the fulcrum 40C as a fulcrum. Is brought into contact with the fixed contact 46 to switch on. When the switch device is in the ON state, the protrusions 22, 22 of the iron plates 21, 21 on both sides of the permanent magnet 20 cause the attracting portions 14A, 14A of the yoke 14 to move due to the magnetic force of the permanent magnet 20, as described above. The return spring 24
Is compressed.

When the switch device is turned off as described above, the coil 15 of the electromagnet device 5 is energized to excite the yoke 14, and the permanent magnets are applied to the attracting portions 14A, 14A of the yoke 14. By generating a magnetic field that counteracts the magnetic force of the magnet 20, the attraction force of the iron plates 21 and 21 is reduced, and the operating element 2 is turned by the spring force of the return spring 24 in a manner opposite to the state of FIG. Rotate the permanent magnet 2
The slider 16 carrying 0 is moved rightward.

When the switch device is manually turned off, the operator 2 is pushed with a finger, and the operator 2 is turned in the opposite direction to the state shown in FIG. The mounted slider 16 is moved rightward.

According to the above embodiment of the present invention,
The switch device is mounted on, for example, a copying machine or the like, the terminal connection portions 40B and 41B of the terminals 40 and 41 of the switch mechanism S are connected to the cutoff circuit, and the connector plug 70 connected to the power supply circuit side is plugged into the connector. The contact portions 12B and 13B of the one and the other terminals 12 and 13 connected to the coil 15 of the electromagnet device 5 by being fitted to the mating portion 66.
Can be inserted into the female terminals 74A and 74B of the connector plug 70 to energize the coil 15.

As described above, one and the other terminals 12 and 13 for energizing the coil 15 have their respective contact portions 12 B and 13 B protruding into the plug fitting portion 66 of the connector housing portion 63 to form a connector structure. For this reason, when the electromagnet device 15 is connected to the power supply circuit side, one connector plug 70 connected to the power supply circuit side may be prepared, and this connector plug 70 may be connected to the connector. It is possible not only to reduce the cost, but also to prevent wiring errors.

The one and other dummy terminal portions 12-
Dummy terminal insertion holes 6 in which case 1 and 13-1 are provided in case 1
By inserting the electromagnetic holding mechanism 9 into the electromagnetic holding mechanism 9, the storage and fixation of the electromagnetic holding mechanism 9 in the electromagnetic holding mechanism housing space 38 can be strengthened.

[0044]

As described above, according to the switch device according to the first aspect of the present invention, this switch device is mounted on, for example, a copying machine or the like, and the terminal connection portion of the terminal of the switch mechanism is connected to the cutoff circuit. By connecting the connector plug connected to the power supply circuit side to the connector, the coil of the electromagnet device can be energized.

As described above, since the means for energizing the coil has a connector configuration, when the electromagnet device is connected to the power supply circuit, one connector plug connected to the power supply circuit is prepared. What is necessary is just to couple this connector plug to a connector, and the connector plug becomes one,
Not only that, cost reduction is possible, but also wiring errors can be prevented.

According to the switch device of the second aspect of the present invention, the switch device is mounted on, for example, a copying machine or the like, and the terminal connection of the terminal of the switch mechanism is connected to the cutoff circuit, and the power supply circuit side The connector plug connected to the connector is fitted into the plug fitting portion of the connector, and the respective contact portions of the one and other terminals connected to the coil of the electromagnet device are inserted into the female terminal of the connector plug to form the coil. Can be energized.

As described above, the one and the other terminals for energizing the coil have the connector structure in which the respective contact portions protrude into the plug fitting portions of the connector housing portion. In the case of connection to the power supply circuit side, one connector plug connected to the power supply circuit side is prepared, and this connector plug may be connected to the connector, so that only one connector plug is required, and the cost can be reduced accordingly. Or, a wiring error can be prevented.

According to the switch device of the third aspect of the present invention, not only the same effects as those of the second aspect of the present invention can be obtained, but also one and the other dummy terminal portions are provided in the case. By inserting the electromagnetic holding mechanism into the dummy terminal insertion hole, the storage and fixing of the electromagnetic holding mechanism in the electromagnetic holding mechanism housing space can be enhanced.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a switch device according to the present invention.

FIG. 2 is a bottom view of the switch device.

FIG. 3 is a plan view of the switch device with a part thereof omitted;

FIG. 4 is a cross-sectional view taken along line DD of FIG. 3;
(2) is a cross-sectional view along the line FF of (1).

FIG. 5 is a plan view of an electromagnetic holding mechanism in the switch device.

FIG. 6 is a partially sectional side view of an electromagnetic holding mechanism in the switch device.

FIG. 7 is a view as seen from the direction B in FIG. 4;

FIG. 8 is a front view of a slider on which a permanent magnet is mounted.

FIG. 9 is a side view of the slider.

FIG. 10 is a sectional view taken along the line CC of FIG. 9;

FIG. 11 is a perspective view of a connector plug.

FIG. 12 is a longitudinal sectional view of a conventional switch device.

FIG. 13 is a bottom view of the switch device.

FIG. 14 is a perspective view of a connector plug.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Case 2 Operator 5 Electromagnet device 9 Electromagnetic holding mechanism 12 One terminal 12B Contact part 12-1 One dummy terminal 13 The other terminal 13B Contact part 13-1 The other dummy terminal 15 Coil 20 Permanent magnet 24 Return spring 38 Electromagnetic Holding mechanism storage space 39A Switch storage space 39B Switch storage space 63 Connector housing part 66 Plug fitting part 67A Terminal insertion hole 67B Terminal insertion hole 70 Connector plug S Switch mechanism

Claims (3)

[Claims] An electromagnetic holding mechanism accommodating space and a switch accommodating space are provided in a case, and a return spring for swinging an operating element is provided in the electromagnetic holding mechanism accommodating space, and the operating element is moved by a magnetic force of a permanent magnet. An electromagnetic holding mechanism that rotates and holds in one direction against the return spring and generates a magnetic field that cancels the magnetic force of the permanent magnet by energizing the electromagnet device,
In the switch storage space, the
A switch device containing a switch mechanism for performing an off operation, wherein the case is provided with a connector having a contact portion electrically connected to a coil of the electromagnet device. 2. The connector, wherein a connector housing portion is formed in the case, a plug fitting portion is provided in the connector housing portion, and one and other terminal insertion holes are formed in a bottom portion of the plug fitting portion. The electromagnetic holding mechanism is provided with one terminal connected to one end of the coil wire of the coil of the electromagnet device, and the other terminal connected to the other end of the coil wire, and the one terminal 2. The connector according to claim 1, wherein the one terminal insertion hole is configured such that the other terminal is inserted into the other terminal insertion hole and the contact portions of the one and other terminals are inserted into the plug fitting portion. 3. The switch device according to any one of the preceding claims. 3. The one terminal includes a dummy terminal other than the contact part, and the other terminal includes another dummy terminal other than the contact part. 3. The switch device according to claim 2, wherein a terminal portion is inserted into a dummy terminal insertion hole provided in the case.