JPH09139147A - Switch structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To utilize a magnet catch for producing opening/closing actions, by providing contacts constituting a switch and contact pieces producing a conducting state between the contacts to an operating piece and portions contacting the operating piece moved against repulsion of an auxiliary permanent magnet. SOLUTION: A first member A and a second member B are held in an attracted state, by allowing a tool-to-be-attracted of the second member to contact and attract an attracting tool 10 of the first member A. At the same time, an operating piece 30 is moved against repulsive force relative to a yoke 13 of an auxiliary permanent magnet 30, and contacts 42 and a contact piece 41 are caused to approach and be brought into contact each other and to come into a conducting state. A switch 40 is thereby closed causing a circuit to be a closed circuit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention provides a switch having a mechanism which is opened and closed by attaching and detaching various members using a magnetic catch, for example, a switch mechanism which is closed following a closing operation of a door or a lid. Regarding

[0002]

2. Description of the Related Art When opening or closing a door or a lid,
Opening and closing of various electric circuits can be found in various fields such as inspection and repair lids and inspection and repair doors of various electronic devices such as copy machines, facsimile machines, word processor machines, and personal computer machines. .

The switch mechanism used for opening and closing the circuits of such devices is provided with, for example, a push-button type switch, which is so-called push-on operation, on the main body side of the device, and pushes the switch urged by this spring. By pressing the button with the lid surface of the lid to be closed or the door surface of the door, etc., the device circuit is closed, and the push button of the switch is returned by the biasing operation of the spring when the lid or door is opened. , Was configured to open the device circuit.

Further, the switch mechanism used for opening and closing the circuit of such equipments, for example, is provided with a reed switch on the body side of the equipment, and at the same time, magnetism in a magnet catch used for closing the lid or door of the equipment is controlled. The reed switch is opened and closed by utilizing the above.

The operation of opening and closing the circuit by the lead switch is provided with, for example, a permanent magnet constituting a magnet catch on the door or lid side, and an armature piece constituting the magnet catch on the equipment body side, and an equipment circuit. There is a switch structure in which a reed switch used to open and close the reed switch is provided, and a permanent magnet provided on the door or the lid is brought into contact with and separated from the reed switch by opening and closing the door or the lid.

Further, for example, a permanent magnet with a yoke constituting a magnet catch and a reed switch used for opening and closing a device circuit are provided on the equipment body side, and an armature constituting the magnet catch is provided on the door or lid side. There has been a switch structure in which a piece is provided and the armature piece is attracted to or separated from the yoke, thereby changing the magnetic force of the permanent magnet exerted on the reed switch.

[0007]

However, the movable contact piece member of the switch is biased by the compression coil spring in the direction in which it is separated from each contact, and the movable contact piece member resists the bias of the compression coil spring. When opening and closing the switch by pushing the button, it is necessary to equip the movable contact member with the compression coil spring in the desired direction and under the desired urging force. However, there is a problem in the structure of mounting the movable contact member having the above.

Further, in the biasing method of the movable contact member using the compression coil spring, the biasing force provided by the compression coil spring may vary due to repeated use of the compression coil spring. However, there was a problem such as a deviation in the biasing direction.

Further, in a switch structure in which a reed switch provided on the equipment main body side is opened / closed by providing a permanent magnet of a magnetic catch on the lid or door side of the equipment, the door or It is necessary to equip the main body side of the magnet catch, which is relatively bulky, on the lid side, and there is a problem that the structure of the door or the lid is greatly restricted.

Further, reed switches are arranged adjacent to each other on a magnet catch main body provided on the equipment main body side, and the reed switch is installed on a door or a lid with respect to the permanent magnet yoke constituting the magnet catch main body. In the switch structure in which the armature pieces provided are brought into contact with or separated from each other by the difference in the leakage magnetic flux, the change amount of the leakage magnetic flux brought to the reed switch becomes uniform. So each switch had to be configured.

The present invention has been proposed as a solution to such inconveniences in the conventional switch structure, and surely opens and closes the circuit without using a biasing force such as a spring and without using a reed switch. The switch structure that forms the
The purpose of the present invention is to provide a switch structure that is compact in construction, using a magnetic catch used as a fastening means.

[0012]

A switch structure according to the present invention achieves the above object by using the switch structure according to the invention of claim 1 as a permanent magnet 12 and at least one of the permanent magnets 12. Yoke 1 provided on two pole faces
The first member A having an adsorbing tool 10 having the adsorbent 3 and the second member B having the adsorbed tool 20 made of a magnetic material that is abutted and adsorbed on the yoke 11 of the adsorbing tool 10 are In the suction structure that is attached and detached by attaching and detaching the suction tool 10 and the suction tool 20, the one yoke 1 is attached to the suction tool 10.
3 is provided with a manipulator 30 provided with an auxiliary permanent magnet 32 in a repulsive direction with respect to 3, and at the time of attracting the manipulator 30, the first member A and the second member B. Along with the contact with the operating element 30, which moves against the repulsion of the auxiliary permanent magnet 32, a contact 42 that constitutes the switch 40, and a contact piece 41 that makes the contact 42 conductive.
And is provided as a configuration.

Further, the switch structure according to the invention of claim 2 is the switch structure according to the invention of claim 1, wherein
The permanent magnet 12 is a double-sided magnetized permanent magnet 12, and yokes 13 and 13 are provided on the respective magnetic pole surfaces.

According to a third aspect of the present invention, there is provided the switch structure according to the first aspect, wherein
The yoke 13 included in the permanent magnet 12 includes a protruding portion 13a protruding laterally from the magnetic pole surface of the permanent magnet 12, and the auxiliary permanent member of the operator 30 facing the protruding portion 13a. The polarity of the magnetic pole surface of the magnet 32 is the same as that of the protrusion 13a.

Next, in the switch structure according to the invention of claim 4, in the switch structure according to the invention of claim 1, the auxiliary permanent magnet 32 provided on the operator 30 is
It is configured as one permanent magnet 32 provided in a direction repulsive to one of the yokes 13 provided in the permanent magnet 12.

Furthermore, in the switch structure according to the invention of claim 5, in the switch structure according to the invention of claim 1, the auxiliary permanent magnet 32 provided on the operator 30 is
Two permanent magnets 32, 32 are provided so as to repel each of the two yokes 13, 13 provided on the respective magnetic poles of the permanent magnet 12 magnetized on both sides.

Furthermore, in the switch structure according to the invention of claim 6, in the switch structure according to the invention of claim 1, the operating element 30 is directed toward the suction direction of the suction tool 10 and the suction tool 20. The structure is such that the yoke 13 provided in the suction tool 10 is repelled.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Each embodiment of the present invention will be described in detail below. 1 to 8 show the switch structure according to the first embodiment, and FIGS. 9 to 16 show the switch structure according to the second embodiment.

First, in the switch structure according to the first embodiment shown in FIGS. 1 to 8, FIG. 1 shows the suction tool 10 used in this switch structure in a perspective view, and
In FIG. 2 and FIG. 3, the suction target tool 20
Is shown as a cross-section in the width direction of the suction tool 10, showing a state before suctioning the suction tool 20 and a state where the suction target tool 20 is suctioned. In addition, in FIGS. 4 and 5, similarly, the length of the suction tool 10 before suctioning the suction target tool 20 and the state where the suction target tool 20 is suctioned are shown in FIG. It is shown as a cross section in the direction. Further, in FIG. 6, a main part of the suction tool 10 used here is shown in a separated state. Further, in FIGS. 7 and 8, the polarities of the magnetic poles of the respective members of the suction tool 10 and the suction tool 20 are schematically shown by changing their directions.

Next, in the switch structure according to the second embodiment shown in FIGS. 9 to 16, FIG. 9 is a perspective view of the suction tool 10 used in this switch structure, and FIG. 11 and FIG. 11 show a state before adsorbing the to-be-adsorbed tool 20 to the adsorbing tool 10 and a state in which the to-be-adsorbed tool 20 is adsorbed, as a cross section in the width direction of the adsorbing tool 10. Further, in FIG. 12 and FIG. 13, similarly,
A state before adsorbing the to-be-adsorbed tool 20 and a state in which the to-be-adsorbed tool 20 is adsorbed to the adsorbing tool 10 are shown as a cross section in the longitudinal direction of the adsorbing tool 10. Furthermore,
In FIG. 14, the main part of the suction tool 10 used here is shown in a state of component separation. Furthermore, FIG.
5 and FIG. 16, the polarities of the magnetic poles of the respective members of the suction tool 10 and the suction target tool 20 are schematically shown by changing their directions.

First, the switch structure according to this embodiment typically includes an attraction tool 10 having a permanent magnet 12 and a yoke 13 provided on at least one magnetic pole surface of the permanent magnet 12. The first member A and the suction tool 1
And a second member B having an attracted tool 20 made of a magnetic material that is attracted to and adsorbed on the yoke 11 of No. 0 in the attracting structure which is attached and detached by attaching and detaching the attracting tool 10 and the attracting tool 20. The adsorber 10 has an operating element 3 provided with an auxiliary permanent magnet 32 in a repulsive direction with respect to the one yoke 13.
0 is movably provided, and the operator 30 and
The operator 3 that is moved against the repulsion of the auxiliary permanent magnet 32 due to the attraction between the first member A and the second member B.
The contact point 42 that constitutes the switch 40 is connected to the portion that contacts 0.
And a contact piece 41 for electrically connecting the contacts 42.

Due to this structure, the first member A
The first member A and the second member B are held in the attracted state by contacting and attracting the attracted device 20 of the second member B to the attracting device 10 of Operator 30
Are moved against the repulsive force of the auxiliary permanent magnet 30 with respect to the yoke 13, and the contact 42 and the contact piece 41 come close to each other and come into contact with each other to establish a conductive state, thereby closing the switch 40 and closing the circuit. It can be a closed circuit.

Further, by moving both or one of the first member A and the second member B to separate them from each other, the pressing force of the second member B against the operating element 30 is exerted. When released, the operating element 30 receives the repulsive action of the auxiliary permanent magnet 32 provided in the operating element 30 with respect to the yoke 13, and the contact piece 41 and the contact point 42.
Move away from each other, thereby opening switch 40 and allowing an open circuit.

In such a switch structure, the permanent magnet 12 is a double-sided magnetized permanent magnet 12, and
The configuration in which the yokes 13 and 13 are provided on the respective magnetic pole surfaces is one of typical other embodiments.

With such a structure, one operator 30 is repulsively urged by using both of the yokes 13, 13 provided in the permanent magnet 12, or the yoke 13,
It is possible to provide the operators 30 and 30 in a repulsive urging state on both sides of the armature 13, or to provide the operators 30 in a repulsive urging state by using only one of the yokes 13 and 13. .

Further, in the switch structure having the above construction, the yoke 13 provided on the permanent magnet 12 is
The permanent magnet 12 is provided with a protruding portion 13a protruding laterally from the magnetic pole surface, and the polarity of the magnetic pole surface of the auxiliary permanent magnet 32 of the operator 30 facing the protruding portion 13a is set to the protruding portion 13a. Having the same polarity as 13a is another one of the typical embodiments.

With this configuration, the operating element 30 forming the switch 40 can be movably provided at the side of the permanent magnet 12 forming the adsorbing tool 10. With this, the magnetism of the permanent magnet 12 used in the suction tool 10 can be used for the repulsive force of the operating element 30 without impairing the suction function with the suction tool 20.

Further, in the switch structure having such a structure, the auxiliary permanent magnet 32 provided in the operator 30 is provided.
However, it is still another one of the typical embodiments that the permanent magnet 32 is configured as one permanent magnet 32 provided in a direction that repels one of the yokes 13 provided in the permanent magnet 12.

With such a structure, it is possible to provide the operating element 30 to one of the yokes 13 in a repulsive urging state, so that a smaller switch structure can be formed and each yoke 13 can be formed. It is possible to specially provide the operators 30 and 30 for each of the units 13 and 13 and to provide the opening / closing means of a plurality of circuits between one suction tool and the suction target tool.

Further, in the switch structure having the above structure, the auxiliary permanent magnet 32 provided in the operator 30 is provided.
Is configured as two permanent magnets 32, 32 provided in a direction that repels the two yokes 13, 13 provided on the respective magnetic poles of the permanent magnet 12 magnetized on both sides. , Yet another one of the typical embodiments.

Due to this structure, the operator 30
Are the yokes 1 on both pole faces of the permanent magnet 12.
Auxiliary permanent magnets 32, which repel each other with respect to 3 and 13,
32, the contact piece 41 and the contact point 4 in the switch 40
It is surely moved so that 2 and 2 are separated from each other.

Furthermore, in the above switch structure, the operating element 30 is repelled by the suction tool 10 and the yoke 13 provided in the suction tool 10 in the suction direction of the suction target tool 20. The configuration described above is yet another one of the other typical embodiments.

With this structure, the suction tool 1
With the movement of the to-be-adsorbed tool 20 attracted with respect to 0 toward the attraction direction, the operating element 30 is moved against the repulsive force of the auxiliary permanent magnet 32 provided therein,
The pushing force against the repulsive force of the operating element 30, the repulsive rebound action when the pushing force is released, the suction movement of the suctioned tool 20 with respect to the suction tool 10 and the direction of the separation movement are the same. It is considered to be facing.

First, the suction tool 10 provided on the first member A will be described. The attraction tool 10 includes a permanent magnet 12 which is magnetized on both sides, a pair of yokes 13 and 13 provided on each magnetic pole surface of the permanent magnet 12, a case 11 for accommodating the yoke 13 and the permanent magnet 12, and It is configured by the lid plate 14 that closes the opening portion of the case 11.

The yokes 13, 13 provided on each magnetic pole surface of the permanent magnet 12 are typically made of a ferromagnetic material such as a soft magnetic material. Also, the yokes 13, 1
3 is a plate portion 13b having a rectangular shape slightly larger than the magnetic pole surface of the permanent magnet 12, and one of the plate portions 13b on the width side of the plate portion 13b in the length direction. A projecting portion 13a having a quadrangular plate shape provided in an extended state from the plate portion 13b, and the projecting portion 13a.
And a suction piece portion 13c having a flat suction surface 13e extending along an edge on the length side of the plate portion 13b on the side opposite to the side on which the suction piece portion 13c is provided. The suction piece portion 13c is narrower than the plate portion 13b, and the side edge of the plate portion 13b reaching the suction piece portion 13c is a contact shoulder edge 13d. Also, the plate portion 13b
Of the magnetic pole edge 13 parallel to the attracting surface 13e on the protruding portion 13a extending from one side of the width side to the length side.
f is provided.

The thus-prepared yoke 13 is attached to and attached to each magnetic pole surface of the permanent magnet 12, and the case 11 is attached thereto.
The slits 11a, 11 are accommodated in the slits 11a, 11 while the contact shoulder edge 13d is in contact with the inner surface of the case 11.
The suction piece portions 13c, 13c are assembled so as to protrude from a.

The case 11 to which the permanent magnets 12 and the like are attached has a long box shape having an opening 11b on the mounting surface side, and mounting collars 11c and 11c are provided on the respective opening edges on both sides of the case 11. And a step 11d for fitting the cover plate 14 is provided in the opening 11b.

The case 11 is also provided with slits 11a, 11a extending in the length direction on the upper surface side thereof in parallel with each other on the width side, and at the same time, the operation of the operation rod 33 in the operator 30 will be described later. Holes 11e are provided on the sides of the slits 11a and 11a. The case 1 is located between the slit 11a and the operation hole 11e.
Guide plate 11f of the operator 30 so as to partition the inside of
However, it is provided so as to hang from the top plate portion 11g of the case 11.

The opening 11b of the case 11 is formed so that the yoke 13 attached to the permanent magnet 12 housed in the case 11 and the operation member 30 to be described later can be moved without rattling. The inner surface is close to the yoke 13 and the operator 30, and the lid plate 14 is fitted and fixed to the step portion 11d.

Next, the manipulator 30 assembled in the case 11 is made of an insulating material such as a plastic material and has a rectangular parallelepiped shape.
1, an operating rod 33 provided upright from the upper surface of the operator body 31, a pair of auxiliary permanent magnets 32, 32 attached to the operator body 31, and between the auxiliary permanent magnets 32, 32. The contact piece receiving portion 31b is provided.

That is, here, the operator 30 is moved to the yoke 13
The auxiliary permanent magnets 32, 32 for repelling and functioning against the magnetism provided in the above are configured to be assembled in the recesses 31b, 31b of the lower surface opening provided on both sides of the operator body 31, and the upper surface thereof. And the lower surface are assembled so as to form each magnetic pole.

Further, here, the auxiliary permanent magnets 32, 32 assembled to the operator 30 are the yokes 13, 1 respectively.
3 are provided so as to face the respective protruding portions 13a, 13a, particularly the respective magnetic pole edges 13f, 13f, and the polarities at the respective magnetic pole edges 13f, 13f,
The same polarity faces each of the magnetic pole edges 13f,
It is assembled to the operator 30.

With respect to the case 11 thus prepared,
The permanent magnet 12 and the yoke 13 are housed in the operation member 30, the operation rod 33 of the operation member 30, and the hole 11 of the top plate portion 11g of the case 11 in the case 11.
The side plate portion of the case 11, the guide plate 11f, and the top plate portion 11g are housed in the recess 11h of the lower surface opening so as to project from the e.
The b is closed by the cover plate 14.

Thus, the manipulator 30 assembled in the case 11 includes the side plates of the case 11 and the guide plate 11f.
And in the concave portion 11h surrounded by the top plate portion 11g,
The pair of auxiliary permanent magnets 32, 32, which are attached to the operator body 31 so as to be substantially movable and movably, and which are provided in the operator 30, with respect to the magnetic pole edge 13f of the yoke 13. Due to the repulsive force, this operator body 3
1 is brought into contact with the top plate portion 11g of the recess 11h.

The repulsive force of the operating element 30 can be effectively exerted on the operating element by providing the auxiliary permanent magnet 32 of the operating element 30 in the state shown in FIGS. 7 and 8. That is, the yoke 13 provided on one magnetic pole surface of the permanent magnet 12 is assumed to have the same polarity as that of the magnetic pole surface, and therefore, the same polarity is also generated at the magnetic pole edge 13f of the yoke 13. Becomes From this point, as shown in FIG. 7, each magnetic pole edge 1 of each yoke 13, 13 provided on each magnetic pole surface of the permanent magnet 12 is shown.
In 3f and 13f, poles having different polarities are generated.

From this point of view, the respective magnetic pole edges 13f, 13
The auxiliary permanent magnets 32, 32 are arranged so that the magnetic poles of the permanent magnets 32 facing each other with respect to f have the same polarity as the magnetic pole edges 13f, 13f facing each other.
As shown in FIG. 5, the operating element 30 is provided with the magnetic pole edge 13f, that is, the magnetism of the magnetic pole surface of the permanent magnet 12 provided with the yoke 13 of the magnetic pole edge 13f and the auxiliary permanent magnet 32. The repulsive force with the magnetism causes the magnetic pole edge 13f to move away from the magnetic pole edge 13f.

The operator 30, which is moved by the repulsive force of the permanent magnet 12 and the auxiliary permanent magnet 32, pushes the operator 30 against the repulsive force, specifically, the yoke 1
So as to extend between the protruding portions 13a and 13a of
A fixed contact member 43 that constitutes the switch 40 is provided in a substantially horizontal direction from one protruding portion 13a by an insulating material such as a plastic material. The fixed contact member 43 is provided on the upper surface side, that is, the operator 30. A pair of contacts 41, 41 of the switch 40 are provided on the side where the push contact is made.

A contact piece made of a conductive material is provided on the lower surface of the operator 30, that is, the receiving portion 31a of the operator 30 facing the contacts 42, 42 via a cushion material 41a made of an insulating material. 41 is provided and this operator 30
Of the contact piece 4 as it is pushed against the repulsive force.
1 is configured to bring the contacts 42, 42 into a conductive state. Incidentally, reference numeral 44 in the drawing denotes a cord connected to each of the contacts 42, 42.

Next, the attracted tool 20 provided in the second member B is typically constituted by a ferromagnetic plate such as a soft magnetic material, which is commonly called an armature. The respective suction surfaces 13e of the yokes 13, 13,
13e is in close contact with and abuts the yoke 13,
13 together with 13 serves as means for forming a magnetic closed circuit of the permanent magnet 12.

Further, at the time of sucking the sucked tool 20 and the sucked tool 10, the second member B to which the sucked tool 20 is attached, or the sucked tool 20 is the operator 3.
Push the operating rod 33 of 0 toward the inside of the case 11,
The contact piece 41 provided on the operator 30 is configured to conveniently contact the contacts 42, 42 of the switch 40.

9 to 16 show a switch structure according to the second embodiment. In the switch structure according to the second embodiment, the operator 30 has only one auxiliary permanent magnet 32, and the one permanent magnet 3 is provided.
2 of the yokes 13 and 13 provided on the permanent magnet 12,
One of the yokes 13, especially the magnetic pole edge 13f,
A structure other than the structure in which the polarity of the magnetic pole surface facing this is provided so as to be the same as the polarity of the contact magnetic pole edge 13f,
The switch structure is the same as or substantially the same as that of the switch structure according to the first embodiment. Therefore, the same or substantially the same parts as those in the switch structure according to the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

In the switch structure according to the second embodiment, a recess 31b having an opening on the lower surface is provided in a part of the operator body 31 below the operation rod 33 of the operator 30, and the recess 31b is provided in the recess 31b. The auxiliary permanent magnet 32 is assembled so that the upper and lower surfaces thereof serve as magnetic pole surfaces, and the contact piece 41 is provided on the side of the recess 31b, that is, in the width direction of the case 11 in the illustrated example. The receiving portion 31a is provided.

Also in this illustrated example, as in the switch structure according to the first embodiment, the magnetic pole of the auxiliary permanent magnet 32 facing the magnetic pole edge 13f of the yoke 13 is connected to the yoke. The auxiliary permanent magnet 32 is attached to the operator 30 so as to have the same polarity as the polarity of 13.

The operator 30 assembled to the case 11 is biasedly provided on one side of the case 11, and in particular, the magnetic pole edge 13 of the one yoke 13 is provided.
The side plate portion on the length side of the case 11, the side plate portion on the short width side, and the guide plate 11 are configured to face each other.
f and the top plate portion 11g, the remaining one surface is movable in the recess 11h surrounded by the rising plate portion 43a of the contact member 43, and particularly, the contact member attached to the yoke 13 The contact piece 41 of the manipulator 30 is pushed toward the pair of contact points 42, 42 of the actuator 43 against the repulsive force of the permanent magnets 12, 32.

That is, the fixed contacts 42, 4 used here
The contact member 43 provided with 2 has one yoke 13, in particular,
One end is fixed to the protruding portion 13a and is horizontally extended, and the tip side thereof is configured as a rising plate portion 43a which is bent upward, and a pair is provided on the horizontal contact member 43 portion. Switch contacts 42, 42
Is connected to the cords 44, 44.

The embodiment having the above-mentioned configuration shows a concrete embodiment of a typical switch structure. For example, the auxiliary permanent magnet 32 provided in the operator 30 is provided.
Of the magnetic pole edge 1 in the yoke 13 provided facing each other
3f is not provided on the above-mentioned protruding portion, and this is attached to the suction surface 13
It may be provided in e. Further, the central portion of the attracting edge 13e may be recessed in a concave shape so that a magnetic pole edge corresponding to the magnetic pole edge 13f may be provided in a portion sandwiched by the attracting edges 13e, 13e. .

Further, toward the surface of the plate portion constituting each yoke 13 such as the plate portion 13b of the yoke 13 and the protruding portion 13,
By opposing the magnetic pole surfaces of the auxiliary permanent magnets 32 included in the operating element 30, the operating element 30 is configured to urge the operating element 30 so as to be movable in a direction orthogonal to the plate surface of the yoke 13. May be.

Further, each contact 42 of the switch 40,
42 may be directed toward the slider 30, and the contact piece 41 for conducting the contacts 42 may be provided on the side of the fixing member provided on the yoke 13.

Further, the operation rod 33 of the operator 30 is not pushed by the second member B or the attracted member 20 provided on the second member B, for example, the second member B or the attracted member 20. The suction tool 20 may be pushed by a pushing means provided separately.

[0060]

The switch structure according to the present invention has the above-mentioned characteristic structure, in particular, the permanent magnet 12 and the yoke 13 provided on at least one magnetic pole surface of the permanent magnet 12.
The first member A having an adsorbing tool 10 having the adsorbing tool 10 and the second member B having the adsorbed tool 20 made of a magnetic material that is abutted and adsorbed to the yoke 11 of the adsorbing tool 10 Ingredient 1
0 is attached and detached by attaching and detaching the to-be-adsorbed tool 20, and the one yoke 13 is attached to the adsorption tool 10.
On the other hand, the manipulator 30 provided with the auxiliary permanent magnet 32 is movably provided in a repulsive direction, and the manipulator 3 is provided.
A switch 40 is provided at 0 and a portion in contact with the manipulator 30 which is moved against the repulsion of the auxiliary permanent magnet 32 due to the attraction of the first member A and the second member B. Since the contact 42 and the contact piece 41 that brings the contacts 42 into conduction are provided, the suction tool 10 of the first member A is different from the suction tool 20 of the second member B. Abut,
By adsorption, the first member A and the second member B
Are held in the attracted state, and at the same time, the manipulator 30 is moved against the repulsive force of the auxiliary permanent magnet 30 against the yoke 13, so that the contact 42 and the contact piece 41 approach and abut each other.
It has a characteristic that it is brought into a conductive state and thereby the switch 40 is closed, so that the circuit can be closed.

Further, by moving both or one of the first member A and the second member B to separate them from each other, the pressing of the operator 30 by the second member B is performed. When released, the operating element 30 receives the repulsive action of the auxiliary permanent magnet 32 provided in the operating element 30 with respect to the yoke 13, and the contact piece 41 and the contact point 42.
Have a feature that they can be moved away from each other, whereby the switch 40 can be opened and an open circuit can be obtained.

In such a switch structure, the permanent magnet 12 is a double-sided magnetized permanent magnet 12, and
Since the yokes 13 and 13 are provided on the magnetic pole surfaces respectively, one operator 30 is repulsively biased by using both the yokes 13 and 13 provided on the permanent magnet 12, or , The yokes 13 and 13 are respectively provided with the operators 30 and 30 in a repulsive biasing state, or the yoke 1
Using either one of 3 and 13, the operator 30
Has the feature that it can be provided in a repulsive biasing state.

Furthermore, in the switch structure having the above structure, the yoke 13 provided on the permanent magnet 12 is
The permanent magnet 12 is provided with a protruding portion 13a protruding laterally from the magnetic pole surface, and the polarity of the magnetic pole surface of the auxiliary permanent magnet 32 of the operator 30 facing the protruding portion 13a is set to the protruding portion 13a. By setting the polarity of the magnet 13a to be the same, it is possible to dispose the operating element 30 that constitutes the switch 40 so as to be movably located on the side of the permanent magnet 12 that constitutes the adsorption tool 10.
And the magnetism of the permanent magnet 12 used in the suction tool 10 can be used for the repulsive force of the operating element 30 without impairing the suction function with the suction target tool 20. There is.

Further, in the switch structure having such a structure, the auxiliary permanent magnet 32 provided in the operator 30 is provided.
Is configured as one permanent magnet 32 provided in a direction that repels one of the yokes 13 provided in the permanent magnet 12, so that the operator 30 is urged to repel the one of the yokes 13. It is possible to provide in the state of, and it is possible to configure a smaller switch structure,
The operation elements 30 and 30 are specially provided for each of the yokes 13 and 13, and the opening / closing means for a plurality of circuits can be provided between one suction tool and the suction tool.

Further, in the switch structure having the above structure, the auxiliary permanent magnet 32 provided in the operator 30 is provided.
Is configured as two permanent magnets 32, 32 provided in a direction that repels the two yokes 13, 13 provided on each magnetic pole of the permanent magnet 12 magnetized on both sides. The manipulator 30 is switched by the auxiliary permanent magnets 32 and 32 that repel the yokes 13 and 13 on both magnetic pole surfaces of the permanent magnet 12, respectively.
It has a feature that the contact piece 41 and the contact point 42 at 0 can be reliably moved in a direction in which they are separated from each other.

Further, in the above switch structure, the operating element 30 is repelled by the suction tool 10 and the yoke 13 provided in the suction tool 10 in the suction direction of the suction target tool 20. By adopting the structure,
With the movement of the to-be-adsorbed tool 20 attracted with respect to 0 toward the attraction direction, the operating element 30 is moved against the repulsive force of the auxiliary permanent magnet 32 provided therein,
The pushing force against the repulsive force of the operating element 30, the repulsive rebound action when the pushing force is released, the suction movement of the suctioned tool 20 with respect to the suction tool 10 and the direction of the separation movement are the same. It has the characteristic that it is oriented.

[Brief description of the drawings]

FIG. 1 is a perspective view of a suction tool including a switch structure according to a first embodiment.

FIG. 2 is a sectional view of an essential part showing a state in which the switch is opened.

FIG. 3 is a sectional view of an essential part showing a state in which the switch is closed.

FIG. 4 is a cross-sectional view of essential parts showing a state in which the switch is opened with the cutting direction being different.

FIG. 5 is a sectional view of an essential part showing a state in which the switch is closed with the cutting direction being different.

FIG. 6 is a perspective view showing the main parts of the same part separated from each other and partly broken away.

FIG. 7 is a configuration diagram showing the same action state in the width direction of the suction tool.

FIG. 8 is a configuration diagram of essential parts showing the same operating state in the length direction of the suction tool.

FIG. 9 is a perspective view of an adsorption tool having a switch structure according to a second embodiment.

FIG. 10 is a sectional view of an essential part showing a state in which the switch is opened.

FIG. 11 is a sectional view of an essential part showing a state in which the switch is closed.

FIG. 12 is a cross-sectional view of essential parts showing a state in which the switch is opened with different cutting directions.

FIG. 13 is a cross-sectional view of essential parts showing a state in which the switch is closed with the cutting direction being different.

FIG. 14 is a perspective view showing a part of the same part separated and a part broken away.

FIG. 15 is a configuration diagram showing the same action state in the width direction of the suction tool.

FIG. 16 is a configuration diagram of a main part showing the same operation state in the length direction of the suction tool.

[Explanation of symbols]

 A 1st member B 2nd member 10 Adsorption tool 12 Permanent magnet 13 Yoke 20 Magnet attracted tool 30 Operator 32 Auxiliary permanent magnet 40 Switch 41 Contact piece 42 Contact

Claims (6)

[Claims] 1. A first member including an adsorbing tool having a permanent magnet and a yoke provided on at least one magnetic pole surface of the permanent magnet; and a magnetic material that is abutted and adsorbed on the yoke of the adsorbing tool. A second member having a suction target made of a suction member and a suction member that is attached and detached by attaching and detaching the suction target and the suction target, wherein the suction target repels the one yoke. A manipulator provided with an auxiliary permanent magnet is movably provided in a direction in which the auxiliary permanent magnet is attracted to the manipulator and the first member and the second member, and resists repulsion of the auxiliary permanent magnet. A switch structure characterized in that a contact that constitutes a switch and a contact piece that brings the contacts into a conductive state are provided in a portion that comes into contact with the operating element that is moved. 2. The switch structure according to claim 1, wherein the permanent magnet is a double-sided magnetized permanent magnet, and each magnetic pole surface is provided with a yoke. 3. The yoke provided to the permanent magnet has a protrusion protruding laterally from the magnetic pole surface of the permanent magnet, and the auxiliary permanent magnet in the operator facing the protrusion. 2. The polarity of the magnetic pole surface of the magnetic pole is the same as the polarity of the protruding portion.
The switch structure according to the description. 4. The auxiliary permanent magnet provided in the operating element is one permanent magnet provided in a direction that repels one of the yokes provided in the permanent magnet. The switch structure according to the description. 5. The two auxiliary permanent magnets provided on the operating element are provided so as to repel each of the two yokes provided on each magnetic pole of the permanent magnets magnetized on both sides. The switch structure according to claim 1, wherein the switch structure is a permanent magnet. 6. The switch structure according to claim 1, wherein the operating element is repelled by a suction tool and a yoke provided in the suction tool in a suction direction of the suction tool. .