JP2016134373A - Operation switch - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an operation switch which has a large pressing area for shortening time necessary for pressing, and does not narrow or limit an installation place thereof.SOLUTION: An operation switch 11 comprises: a base 13 which is long and set on a machine tool 23; a pushing material 15 which is long and arranged to be along with and separated from the base 13; elastic bodies 25 which are arranged from the pushing material 15 to the base 13, support the pushing material 15 with respect to the base 13, and are deformed elastically in a separating direction of the pushing material 15 and the base 13; slide bodies 17 arranged on the base 13 in a slidable manner; interlocking members 19 which interlock the slide bodies 17 and the pushing material 15, and slide the slide bodies 17 by moving the pushing material 15 in the separating direction; and a switch section 21 which opens and closes a contact by sliding of the slide bodies 17.SELECTED DRAWING: Figure 1

Description

  The present invention relates to an operation switch.

Various machine tools and equipment are provided with operation switches for emergency stop and driving power on / off.
For example, in the push button switch disclosed in Patent Document 1, a pressure force is transmitted to the push rod when the push button is pressed through a coil spring. The push bar that receives the spring force is moved when the spring force exceeds a predetermined value, and after the move, the push bar is locked to the moving end to prevent the return to the position before the push operation. Is provided. The purpose of this pushbutton switch is to ensure that an emergency stop of the load is always performed by pressing the pushbutton.

  In addition, the foot switch disclosed in Patent Document 2 includes an operation panel that is operated by a foot operation and can be fixed to an installation place via a mounting base in a foot switch that opens and closes an electromagnetic valve of an automatic water discharge device. . The operation panel and mounting base are detachable, so that only the operation panel can be installed at the installation location. The foot switch has a simple structure and is intended to change the mounting angle.

  The dam waiter disclosed in Patent Literature 3 electrically opens and closes a car door that opens and closes an opening on the front surface of the car and a door that opens and closes a door for each floor of the building. A foot switch is provided near the entrance / exit on each floor so that even if the operator holds a load with both hands, the foot switch can be operated to call the car to the floor or open / close the car door and the entrance / exit door. To. The purpose of this dam waiter is to enable an operator to smoothly perform work on a sending side and a receiving side without placing a load on a work table or the like in the middle of carrying work.

  In the foot switch disclosed in Patent Document 4, the switch operating portion of the foot switch is rotatably held at the upper end portion by the rotating shaft portion. The rotating shaft is held by a holding member. And the guide groove which inserts in the state which can move a rotating shaft part in the direction parallel to a floor surface is provided in the holding member. A spring is provided to repel the switch operation part in the direction opposite to the pushing direction and the stepping direction. This foot switch is located close to the floor surface. The foot switch for water discharge / water stop of the faucet device pushes down the floor surface side and pushes in the operation to apply the operation force backward along the floor surface. It is intended to be operable by any stepping operation to be added.

  The foot switch device disclosed in Patent Literature 5 is provided with a foot pedal provided in a foot switch cover so as to be pivotable up and down, and provided with switch means operated by the foot pedal. Magnet means for releasing the magnetized state when the foot pedal is depressed more than a predetermined depression range is provided. An interference operation member that operates by interfering with the foot pedal is provided. This interference operation member releases the magnetized state of the magnet means. The foot switch device is intended to operate the foot pedal with a stepping force larger than the magnetizing force of the magnet at the time of emergency stop of the press.

JP-A-9-50730 Japanese Patent No. 4048642 Japanese Patent No. 4873842 Japanese Patent Laid-Open No. 10-192074 JP 2010-287336 A

However, the above-described conventional operation switch, push button switch, foot switch, and the like are provided within the reach of the operator's hand or foot at the operation position. That is, it is within a range in which the limbs of an upright worker can be extended. The push area of the operation switch is relatively small, such as a palm.
However, for example, in a winding device that winds a sheet material in a roll shape, the sheet winding body is wound around the outer periphery of the winding shaft. In this case, the winding shaft is the width of the sheet, Become. Further, a machine tool that processes a workpiece such as a plate member, a frame member, or a column member has a long and wide workpiece. When an operator performs an operation while moving along a winding shaft or a workpiece, it is desirable that an operator can perform an emergency stop operation at an arbitrary position along the longitudinal direction.

  In the above-described operation switch having a small push area, the range in which the switch can be pressed becomes narrow. For this reason, when an emergency stop is required at a position away from the operation switch, it must move to the installation position of the operation switch, and the time until the switch is pressed becomes longer. Also, there are cases where it is impossible to operate the operation switch, such as when both hands are closed. Furthermore, it may be possible to cope by installing a plurality of operation switches. However, depending on the installation position, installation direction, number of installations, etc., the configuration becomes complicated. The dimensions in the push direction are large, which is a factor that limits the positions to be placed, and it is not always necessary to place a plurality of positions. In addition, the above-mentioned foot switch has a large mechanism such as a swinging member, and the installation position is limited. Has the disadvantages.

  The present invention has been made in view of the above situation, and an object thereof is to provide an operation switch capable of widening a range in which the switch can be pressed and shortening a time until the switch is pressed, and an installation position. It is an object of the present invention to provide an operation switch that does not limit the size of the device.

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The operation switch 11 according to claim 1 of the present invention includes a long base material 13 attached to the fixed body 23, and
A long push material 15 spaced along the base material 13;
An elastic body 25 provided over the push material 15 and the base material 13, supporting the push material 15 with respect to the base material 13 and elastically deforming in the direction of separation;
A slide body 17 slidably provided on the base material 13;
An interlocking member 19 that connects the slide body 17 and the push member 15 and slides the slide body 17 by the movement of the push member 15 in the separation direction;
A switch unit 21 that opens and closes a contact point by sliding the slide body 17;
It is characterized by comprising.

  In the operation switch 11, the push material 15 is supported with a predetermined gap through the elastic body 25 with respect to the base material 13 attached to the fixed body 23. When the operating force is applied, the push member 15 deforms the elastic body 25, moves in the direction of narrowing the gap, and is pushed in. The pushed push material 15 returns to the original position by the restoring force of the elastic body 25. The force in the pushing direction applied to the push member 15 causes the slide body 17 to slide by the interlocking member 19. The slide body 17 closes the contact of the switch part 21 by this slide. When the pushing force is released, the push member 15 returns to the original position, and the slide body 17 is slid in the direction to open the contact by the interlocking member 19 that follows the push member 15. Accordingly, the push material 15 is pushed into an arbitrary long position, thereby narrowing the gap with the base material 13 and sliding the slide body 17. Thereby, the operation switch 11 becomes the range which can be operated in any position of the elongate push material 15, ie, the range of switch operation becomes wide.

The operation switch 11 according to claim 2 of the present invention is the operation switch 11 according to claim 1,
A pair of the slide bodies 17 are provided apart in the longitudinal direction of the base material 13,
Each of the pair of slide bodies 17 is connected to the push member 15 so as to be movable toward and away by a pair of interlocking members 19 arranged in opposite directions,
The contact point of the switch part 21 is opened and closed by the approach and separation of the pair of slide bodies 17.

  In the operation switch 11, the pair of slide bodies 17 can be moved toward and away from each other by a reverse-direction interlocking member 19. One of the contacts of the switch unit 21 is provided on one of the pair of slide bodies 17, and the other of the contacts of the switch unit 21 is provided on the other of the pair of slide bodies 17. Thereby, the contact of the switch part 21 is opened and closed by the approach and separation of the pair of slide bodies 17. It is assumed that the long push member 15 is pushed on one side in the longitudinal direction. At that time, the slide body 17 on the pushing side slides largely, and the slide body 17 on the opposite side slides small. For this reason, regardless of which end of the push member 15 is pushed in, each slide body 17 is moved in the direction in which the contact points are approached, and a small operation amount of the push member 15 can be amplified.

The operation switch 67 according to claim 3 of the present invention is the operation switch 11 according to claim 1,
A pair of the slide bodies 17 are arranged along the longitudinal direction on the push material facing surface 57 of the base material 13 and are displaced in a direction perpendicular to the longitudinal direction,
The base member 13 between the pair of slide bodies 17 is provided with a swinging member 71 that is rotatable via a support shaft 69 perpendicular to the push member facing surface 57.
The swing member 71 is rotated by the slide of the slide body 17,
The contact of the switch unit 21 is opened and closed by the rotation of the swing member 71.

  In this operation switch 67, when the pair of slide bodies 17 is in a staggered arrangement state and is slid by pushing the push member 15, the swing member 71 is rotated. When the push member 15 is pushed in by the maximum pushing operation amount, the swing member 71 is rotated at the maximum rotation angle. At this time, the movement amount (circumferential trajectory) at an arbitrary point along the radial direction of the swinging member 71 is larger at a point on the radially outer side and smaller at a point on the radially inner side. Accordingly, the switch unit 21 can be provided at a desired position in the direction along the radial direction of the swing member 71 to obtain a desired opening / closing stroke. Thus, the switch unit 21 is opened and closed via the swing member 71 regardless of whether the slide of the pair of slide bodies 17 is either or both.

The operation switch 47 according to claim 4 of the present invention is the operation switch according to any one of claims 1, 2, and 3,
The interlocking member 19 is constituted by a link mechanism having a link 59 for connecting the push member 15 and the slide body 17 in pairs around both ends in the longitudinal direction.

  In this operation switch 47, one end of the link 59 is rotatably supported on the push member 15, and the other end of the link 59 is rotatably supported on the slide body 17. The push member 15, the link 59, and the slide body 17 constitute a link mechanism. The slide body 17 is slidable, and the slide member 17 is slid by the link mechanism when the push member 15 moves toward and away from the base member 13. In other words, the push mechanism 15 is pushed by the link mechanism because the pair 59 around the one end of the link 59, the pair around the other end of the link 59, and the other end of the link 59 are slidable slide bodies 17. That is, by the movement of the push member 15 moving in the direction away from the base material 13, it can be reliably converted into the slide of the slide body 17, and the contact is opened and closed.

The operation switch 63 according to claim 5 of the present invention is the operation switch according to any one of claims 1, 2, and 3,
The interlocking member includes a leaf spring material 65 that extends along the longitudinal direction of the base material 13 and connects the push material 15 and the slide body 17 at both longitudinal ends.

  In the operation switch 63, one end of the leaf spring material 65 is fixed to the push material 15, and the other end of the leaf spring material 65 is fixed to the slide body 17. In other words, the above-mentioned surrounding pair is unnecessary. The leaf spring material 65 uses, for example, a slightly curved leaf spring, is arranged obliquely between the push material 15 and the slide body 17, and the curved convex surface side is the slide body 17 side. Only by fixing, the connection between the push member 15 and the slide body 17 is completed. The slide body 17 is slid by the leaf spring material 65 which is elastically deformed when the push material 15 moves in the contact / separation direction with respect to the base material 13.

According to the operation switch of the first aspect of the present invention, the contact is opened and closed by the slide movement of the slide body, and the movement of the push member through the interlocking member is converted by the movement of the slide body. As a result, the slide body will move regardless of where the long push material is pushed, and the contacts will be opened and closed. The range that can be operated becomes wider, and the time until the pressing operation can be shortened.
Moreover, according to this operation switch, since it is a simple structure of a long base material and a push material, and a slide body, an interlocking member, a switch member, and an elastic body formed in the gap portion, it can be configured thinly. It can be installed without limiting the arrangement position, for example, it may be provided as a foot switch at the lower edge portion along the floor surface of the machine tool, or it may be provided at the vertical edge portion of the equipment. It can be installed in an easy-to-operate position, that is, within easy reach such as toes, knees, hands and elbows, and can be configured to be retrofitted to existing equipment.

  According to the operation switch of claim 2 according to the present invention, by configuring the slide body and the interlocking member in a pair, the movement of the push material is reliably transmitted, and a small operation amount of the push material can be amplified. The switch part can be operated reliably.

  According to the operation switch of the third aspect of the present invention, after the movement of the push member in the separation direction is converted into the slide movement of the slide body, the linear motion of the slide body is converted into the rotational motion of the swing member. Therefore, it becomes easy to set the opening / closing stroke of the switch section, and a limit switch having a desired opening / closing stroke can be used. In addition, since the pair of slide bodies are arranged at alternate positions, the slide member is rotated by either of the slide members, and the switch unit is opened and closed via the swing member. it can.

  According to the operation switch of the fourth aspect of the present invention, the push member and the slide body are connected by the link mechanism, and the movement of the push member can be reliably transmitted to the slide body and the slide body can be slid. .

  According to the operation switch of the fifth aspect of the present invention, the push material and the slide body are connected by the leaf spring material, and the movement of the push material can be transmitted to the slide body with a simple structure.

It is the top view which represented the operation switch which concerns on 1st Embodiment of this invention with the control part. It is operation | movement explanatory drawing of the operation switch shown in FIG. It is operation | movement explanatory drawing which represented at the time of the inclination operation of the push material in the operation switch shown in FIG. 1 with (a) (b). It is a disassembled perspective view of a base material and a push material. It is a sectional side view before a push material is pressed. It is a sectional side view after pressing a push material. It is side sectional drawing which represented at the time of the inclination operation of the push material by the difference in the pressing position of an up-down direction with (a) (b) (c). (A) is a top view of the specific example of the operation switch which concerns on 1st Embodiment, (b) is the front view which abbreviate | omitted the push material of (a). It is a disassembled perspective view of the slide body vicinity shown in FIG. It is AA sectional drawing of FIG.8 (b). (A) is a principal part front view at the time of a switch part OFF, (b) is a principal part front view at the time of a switch part ON. It is the top view which represented the operation switch which concerns on 2nd Embodiment of this invention with the control part. It is operation | movement explanatory drawing of the operation switch shown in FIG. It is operation | movement explanatory drawing which represented at the time of the inclination operation of the push material in the operation switch shown in FIG. 12 with (a) (b). (A) is a top view of the operation switch which concerns on 3rd Embodiment, (b) is the front view which abbreviate | omitted the push material of (a). (A) is operation | movement explanatory drawing showing the time of the right end press inclination operation of the push material in the operation switch shown in FIG. 15, (b) is a front view which abbreviate | omitted the push material of (a). (A) is operation | movement explanatory drawing showing the time of the left end press inclination operation of the push material in the operation switch shown in FIG. 15, (b) is a front view which abbreviate | omitted the push material of (a). (A) is a top view of the specific example of the operation switch which concerns on 3rd Embodiment, (b) is the front view which abbreviate | omitted the push material of (a).

Embodiments according to the present invention will be described below with reference to the drawings.
FIG. 1 is a plan view showing an operation switch according to a first embodiment of the present invention together with a control unit.
The operation switch 11 according to the present embodiment includes a base material 13, a push material 15, an elastic body 25, a slide body 17, an interlocking member 19, and a switch portion 21. In the present embodiment, the operation switch 11 is described as a switch for emergency stop of a machine tool, but is not limited thereto.

  The base material 13 is attached to a fixed body, for example, a machine tool 23, and is disposed on a vertical front side such as a lower frame close to a floor surface 79 (see FIG. 7) of the machine tool 23, for example. The base material 13 is made of a long metal plate such as an iron plate.

  The push material 15 is separated along the base material 13. The push material 15 and the base material 13 are arranged apart from each other so that the plate surfaces are parallel to each other. In this embodiment, the push material 15 is formed with the same length as the base material 13. Since this push material 15 is disposed at a position close to the floor surface 79 of the machine tool 23, it can be referred to as a kick plate, for example. The push material 15 is made of a flat aluminum plate having a thickness of about 10 mm. By using an aluminum material, high bending strength can be secured and weight reduction can be achieved.

  The length of the base material 13 and the push material 15 can be about 1 m, for example. The base material 13 and the push material 15 may be configured along the lower frame of the machine tool 23 by arranging or connecting a plurality of about 1 m in the longitudinal direction.

  The elastic body 25 is attached across the push material 15 and the base material 13. The elastic body 25 supports the push material 15 in a separated state with respect to the base material 13 and elastically deforms in the direction in which the base material 13 and the push material 15 are separated. In this embodiment, the elastic body 25 consists of a coil spring. In addition, the elastic body 25 may be an elastic material such as rubber.

  The slide body 17 is slidably attached to the base material 13. The operation switch 11 can be configured with a single slide body 17, but a pair of switches is more preferably provided in order to obtain the effects described below. In the present embodiment, the operation switch 11 is provided with a pair of slide bodies 17.

  The interlocking member 19 connects the slide body 17 and the push member 15. The interlocking member 19 slides the slide body 17 by moving the push member 15 in the separating direction. When the slide body 17 is a pair, the interlocking member 19 is also a pair. In this case, the pair of interlocking members 19 are arranged in opposite directions. As a result, the pair of slide bodies 17 can be moved toward and away from each other along the base material 13 by pushing the push material 15.

  The switch unit 21 opens and closes the contact point by sliding the slide body 17. A contact consists of a pair of conductors, for example. As will be described later, in the present embodiment, each of the pair of slide bodies 17 is provided with this conductor. The conductors are brought into contact with or separated from each other when the pair of slide bodies 17 move toward and away from each other. Thereby, the contact is opened and closed.

  In the present embodiment, the switch unit 21 is closed by the approach of the pair of slide bodies 17 and is opened by the separation, but conversely, the switch portion 21 may be opened by the approach of the pair of slide bodies 17 and closed by the separation. .

  The contact of the switch unit 21 is connected to a connection terminal 29 of a control unit 27 provided in the machine tool 23 by a signal line 31. The control unit 27 may be provided with an emergency stop button 33, for example. That is, the operation switch 11 may be used in combination with the emergency stop button 33. In this case, the machine tool 23 stops when either the operation switch 11 or the emergency stop button 33 is operated.

FIG. 2 is an operation explanatory diagram of the operation switch shown in FIG.
In the operation switch 11, when the central portion in the longitudinal direction of the push member 15 is pressed, that is, kicked, the pair of interlocking members 19 causes the pair of slide bodies 17 to slide by an equal distance and approach each other. At this time, the push member 15 is guided and translated by the elastic body 25 that compresses and deforms the elastic body 25 and contracts in the separation direction. Thereby, as for the switch part 21, the conductor provided in a pair of slide body 17 contacts, and a contact is closed. When the operating force (pressing operation) is released, the push member 15 returns to the original position by the restoring force of the elastic body 25. As a result, the pair of slide bodies 17 are separated via the interlocking member 19. As a result, in the switch unit 21, the conductors are separated from each other, and the contact is opened.

FIGS. 3A and 3B are operation explanatory views showing the tilting operation of the push member in the operation switch shown in FIG. 1 by (a) and (b).
The operation switch 11 is pushed into the base member 13 while being inclined with respect to the base member 13 when one end of the push member 15 in the longitudinal direction is pressed, that is, kicked. At this time, the kicked slide body 17 slides large, and the opposite slide body 17 slides small. Also by this, a pair of slide body 17 will mutually approach, the conductor provided in a pair of slide body 17 will contact the switch part 21, and a contact will be closed. When the operating force is released, the push member 15 returns to the original position by the restoring force of the elastic body 25, and the contact of the switch unit 21 is opened as described above.

FIG. 4 is an exploded perspective view of the base material and the push material.
On the upper side and the lower side of the base material 13, stopper portions 35 bent in an L shape are provided. On the other hand, an upper cover 37 and a lower cover 39 having an L-shaped cross section are attached to the upper and lower sides of the push member 15 by cover fixing screws 41. In the push member 15, the locking plate portions 43 of the upper cover 37 and the lower cover 39 are locked to the back side of the stopper portion 35. Thereby, the push member 15 is held by the base member 13 in a state in which a preload is applied by the elastic body 25.

FIG. 5 is a side sectional view before pressing the push material, and FIG. 6 is a side sectional view after pressing the push material.
As shown in FIG. 5, the push material 15 to which the preload is applied by the elastic body 25 has a stroke S that can be pushed into the stopper portion 35 of the base material 13. This stroke S is the distance between the base member 13 and the push member 15.

  The stroke S is set to about 5 to 9.5 mm. In the present embodiment, the stroke S is set at 9.5 mm. The switch portion 21 has a length to be pushed, that is, a kick-in length of 5 mm, and a contact point is in contact, that is, closes. When the kicking length is 0 to 5 mm, the switch portion 21 does not operate. This play is for preventing the switch portion 21 from operating even if the push member 15 is inadvertently touched. The switch portion 21 operates with a kicking length of 5 to 9.5 mm. That is, the range of the stroke S at which the switch unit 21 operates is in the range of 4.5 mm. The switch part 21 has a contact point protected by setting the range of the stroke S to 4.5 mm.

  As shown in FIG. 6, when the push member 15 is pushed against the urging force of the elastic body 25, the push member 15 comes into contact with the stopper portion 35 of the base member 13 and stops. At this time, a mechanism accommodating space 45 is secured between the base member 13 and the push member 15. In the mechanism housing space 45, the interlocking member 19, the slide body 17, the switch unit 21, and the like are arranged.

FIG. 7 is a side cross-sectional view of the push material tilting operation due to the difference in the pressing position in the vertical direction, represented by (a), (b) and (c).
As shown in FIG. 3, when either one of both ends in the longitudinal direction is kicked, the push member 15 is largely pushed and tilted. Moreover, as shown to Fig.7 (a), when the center part of an up-down direction is kicked, the push material 15 will be pushed in parallel with a perpendicular attitude | position. On the other hand, either the upper edge of the push member 15 as shown in FIG. 7B or the lower edge near the floor 49 of the push member 15 as shown in FIG. When kicked, the kicked side is greatly pushed and tilted. Even in this case, the slide body 17 slides in the same manner as when the central portion in the vertical direction is kicked.

FIG. 8A is a plan view of a specific example of the operation switch according to the first embodiment, and FIG. 8B is a front view in which the push material of FIG.
In the operation switch 47 as a more specific example of the first embodiment, the interlocking member 19 includes a biaxial hinge 49, and the slide body 17 is slidably supported by the rail member 51. In addition, the coil springs 25 that are elastic bodies are arranged in pairs (two pairs in the drawing) spaced apart from the upper and lower sides of the base material 13 in the longitudinal direction. The pair of conductors includes a male conductor 53 and a female conductor 55.

  Since the conductor is composed of the male conductor 53 and the female conductor 55, the conductors are fitted to each other, so that the contact can be ensured. Moreover, the contact failure by the influence of dust can be prevented because one side becomes the concave female conductor 55.

9 is an exploded perspective view of the vicinity of the slide body shown in FIG.
The rail material 51 is fixed to the push material facing surface 57 of the base material 13. It is formed of a long material having a substantially C-shaped cross section parallel to the base material 13. The slide body 17 is formed so as to have a convex cross section, so that it cannot be detached from the rail material 51 and is slidable. A male conductor 53 and a female conductor 55 are fixed to opposite sides of the pair of slide bodies 17. A biaxial hinge 49 is fixed in the opposite direction to the opposite slide body 17 to which the male conductor 53 and the female conductor 55 are fixed.

  As described above, the operation switch 47 is closer to the biaxial hinge 49 in which the pair of slide bodies 17 are provided apart from each other in the longitudinal direction of the base member 13 and each of the pair of slide bodies 17 is disposed in a pair of opposite directions. It is separable and connected to the push member 15. The contacts (male conductor 53 and female conductor 55) of the switch unit 21 are opened and closed by the approach and separation of the pair of slide bodies 17.

  The biaxial hinge 49 constitutes a link mechanism. This link mechanism has a link 59 that connects the push member 15 and the slide body 17 in pairs around both ends in the longitudinal direction. That is, two parallel shafts 61 of the biaxial hinge 49 are disposed at both ends of the link 59, and both ends are connected to the push member 15 and the slide body 17 via the shaft 61. As shown in the figure, the link 59 is disposed between the push member 15 and the slide body 17 so as to be inclined.

FIG. 10 is a cross-sectional view taken along the line AA in FIG.
In this operation switch 47, since the elastic body 25 is arranged up and down across the rail member 51, the return of the push member 15 is ensured when either one of the both ends in the vertical direction of the push member 15 is kicked. . Moreover, by fixing the rail material 51 to the base material 13, the slide body 17 can be slidably assembled with a simple structure and high strength.

FIG. 11A is a front view of the main part when the switch part is off, and FIG. 11B is a front view of the main part when the switch part is on.
As shown in FIG. 11A, the operation switch 47 is in a state where the push member 15 is not pushed in, so that the pair of slide bodies 17 are separated, and the male conductor 53 and the female conductor 55 are not in contact with each other. That is, the contact of the switch unit 21 is opened. On the other hand, when the push member 15 is pushed by being kicked, the pair of slide bodies 17 slide in the approaching direction, and the male conductor 53 and the female conductor 55 come into contact with each other. That is, the contact of the switch unit 21 is closed.

Next, the operation of the above configuration will be described.
In the operation switch 11 according to the first embodiment, the push material 15 is held with a predetermined gap through the coil spring 25 with respect to the base material 13 attached to the fixed body. When the operating force is applied to the push member 15, the coil spring 25 is deformed, and the push member 15 can move in a direction in which the gap disappears, that is, is pushed. The pushed push material 15 returns to the original position by the restoring force of the coil spring 25. The pushing force applied to the push member 15 causes the slide body 17 to slide by the interlocking member 19. The slide body 17 closes the contact of the switch part 21 by this slide. When the pushing force is released, the push member 15 returns to the original position, and the slide body 17 is slid in the direction to open the contact by the interlocking member 19 that follows the push member 15. Therefore, the push member 15 slides the slide body 17 when an arbitrary long position is pushed. As a result, the operation switch 11 has a wider range in which the switch can be pressed.

  In the operation switch 47, the pair of slide bodies 17 can be moved toward and away from each other by the interlocking members 19 that are opposite to each other, that is, the biaxial hinge 49 of the link 59 that is disposed in an inclination opposite to each other. One of the pair of slide bodies 17 is provided with a male conductor 53 that is one of the contacts of the switch part 21, and the other of the pair of slide bodies 17 is provided with a female conductor 55 that is the other of the contacts of the switch part 21. Provided. Thereby, the contact of the switch part 21 is opened and closed by the approach and separation of the pair of slide bodies 17. It is assumed that the long push member 15 is pushed on one side in the longitudinal direction. At that time, the slide body 17 on the pushing side slides largely, and the slide body 17 on the opposite side slides small. For this reason, regardless of which end of the push member 15 is pushed in, each slide body 17 is moved in the direction in which the contact points are approached, and a small operation amount of the push member 15 can be amplified.

  In general, it is difficult to move a long member in parallel by pushing in an arbitrary position in the longitudinal direction. In such a case, if a plurality of guide mechanisms that linearly guide the movement in the pushing direction with low friction, for example, a linear guide mechanism, are arranged in the longitudinal direction of the long member, this is not impossible, but the structure is complicated. Thus, the manufacturing cost is also increased. In contrast, the operation switch 11 is provided with a pair of slide bodies 17 and a pair of interlocking members 19 in the longitudinal direction of the base material 13, and the base material 13 and the slide body 17 are connected by an elastic body 25. One of the slides is caused by the elastic body 25 and the interlocking member 19 which are elastically deformed in the direction in which the base member 13 and the slide body 17 are separated from each other even in the inclined state where any one end in the longitudinal direction is pushed. It becomes possible to slide the body 17 and operate the switch part 21 reliably. That is, the operation switch 11 can reliably operate the switch portion 21 even with a simple structure that allows oblique pressing. As a result, a small operation amount of the push member 15 can be amplified, and the switch unit 21 can be operated reliably.

  Further, the operation switch 47 is rotatably supported at one end of the link 59 by the push member 15 and is rotatably supported by the slide body 17 at the other end of the link 59. The push member 15, the link 59, and the slide body 17 constitute a link mechanism. The slide body 17 slides (reciprocates) by this link mechanism as the push member 15 moves toward and away from the base member 13. In the link mechanism, the deformation of the shaft 61 (see FIG. 9) and the link 59 is small, and the elastic body 25 is elastically deformed in the separation direction to support the push member 15 with respect to the base material 13, so that the separation The push member 15 side of the both ends of the link 59 serves as a rotation shaft, the slide body 17 side serves as a rocking end, and the rocking end side is slidable in the longitudinal direction. The slide body 17 is moved, that is, the push-in operation of the push member 15 can be reliably converted into the slide of the slide body 17. As a result, the push member 15 and the slide body 17 are connected by the link mechanism, and the movement of the push member 15 in the separating direction can be reliably transmitted as the movement of the slide body 17 along the rail member 51.

Next, a second embodiment of the operation switch will be described.
FIG. 12 is a plan view illustrating an operation switch according to the second embodiment of the present invention together with a control unit. In addition, the same code | symbol is attached | subjected to the member same as the member shown in 1st Embodiment, and the overlapping description is abbreviate | omitted.
In the operation switch 63 according to the second embodiment, the interlocking member 19 includes a leaf spring material 65 extending along the longitudinal direction of the base material 13. The leaf spring member 65 connects the push member 15 and the slide body 17 at both ends in the longitudinal direction. In the present embodiment, the leaf spring material 65 is formed in a slightly curved arc shape. The pair of leaf spring members 65 are of the same shape so as to be bilaterally symmetric, and are disposed obliquely with the curved convex surface side as the slide body 17 side.

FIG. 13 is an explanatory diagram of the operation of the operation switch shown in FIG.
When the longitudinal center part of the push member 15 is kicked and pushed, the operation switch 63 is moved by the pair of leaf spring members 65 so that the pair of slide bodies 17 slides an equal distance. At this time, the push member 15 is guided and translated by the elastic body 25 that compresses and deforms the elastic body 25 and contracts in the separation direction. Thereby, as for the switch part 21, the conductor provided in a pair of slide body 17 contacts, and a contact is closed. When the operating force is released, the push member 15 returns to the original position by the restoring force of the elastic body 25. As a result, the pair of slide bodies 17 are separated via the leaf spring material 65. As a result, in the switch unit 21, the conductors are separated from each other, and the contact is opened.

FIGS. 14A and 14B are operation explanatory diagrams showing the tilting operation of the push member 15 in the operation switch shown in FIG. 12 by (a) and (b).
The operation switch 63 is tilted and pushed into the base material 13 when one end of the push material 15 in the longitudinal direction is pressed, that is, kicked. At this time, the kicked slide body 17 slides large, and the opposite slide body 17 slides small. Also by this, a pair of slide body 17 will mutually approach, the conductor provided in a pair of slide body 17 will contact the switch part 21, and a contact will be closed. When the operating force is released, the push member 15 returns to the original position by the restoring force of the elastic body 25, and the contact of the switch unit 21 is opened as described above.

  In the operation switch 63, one end of the leaf spring material 65 is fixed to the push material 15, and the other end of the leaf spring material 65 is fixed to the slide body 17. That is, the above-mentioned surrounding pair is unnecessary. The slide body 17 slides (reciprocates) by the leaf spring material 65 that can be elastically deformed by the push material 15 moving toward and away from the base material 13. The leaf spring material 65 is slightly curved, and is disposed obliquely between the push material 15 and the slide body 17 to fix the both ends of the single member in the longitudinal direction. Consolidation is complete. As a result, the push material 15 and the slide body 17 are connected by the leaf spring material 65, and the movement of the push material 15 can be transmitted to the slide body 17 with a simple structure.

  Further, the operation switch 63 causes the leaf spring material 65 to be elastically deformed by the pressing of the push material 15 to slide the slide body 17. For this reason, even after the contact contacts, the contact can be pressed in the contact direction by the elastic restoring force. Thereby, the contact of the switch part 21 can be operated reliably. Further, since the leaf spring material 65 is elastically deformed, it is possible to protect the switch unit 21 by preventing an excessive load from being applied to the switch unit 21.

Next, a third embodiment of the operation switch will be described.
FIG. 15A is a plan view of the operation switch according to the third embodiment, and FIG. 15B is a front view in which the push member 15 of FIG.
In the operation switch 67 according to the third embodiment, the pair of slide bodies 17 are arranged along the longitudinal direction on the push material facing surface 57 of the base material 13 and are shifted in a staggered arrangement in a direction perpendicular to the longitudinal direction. The A support shaft 69 perpendicular to the push material facing surface 57 projects from the base material 13 between the pair of slide bodies 17. A swing member 71 that is rotated by sliding of the slide body 17 is rotatably supported on the support shaft 69.

  The swing member 71 is in an equilibrium state (a state perpendicular to the front view) when the pair of slide bodies 17 abut on both ends in the diametrical direction from opposite directions. Further, the swing member 71 is urged in the rotational direction by an urging member (not shown) so as to return to this equilibrium state. That is, the swing member 71 always maintains an equilibrium state when the push member 15 is not pushed.

  A limit switch 73 as a switch portion is fixed to the base material 13 on the rotation locus of the swing member 71. Examples of the limit switch 73 include a micro switch having a contact 75. The contact 75 of the limit switch 73 is urged in the protruding direction. In the limit switch 73, when the swing member 71 is rotated, the contact 75 is pressed and the contact is closed. That is, the limit switch 73 is opened and closed by the rotation of the swing member 71. When the swing member 71 is separated from the limit switch 73, the contact 75 protrudes and the contact is opened.

  As shown in FIG. 15A, the operation switch 67 is configured such that when the central portion in the longitudinal direction of the push member 15 is pushed, that is, kicked, the pair of slide members 17 slides by an equal distance by the pair of interlocking members 19. Approach. At this time, the push member 15 is guided and translated by the elastic body 25 which compresses and deforms the elastic body 25 (see FIG. 18) and contracts in the separating direction. Thereby, the swing member 71 is rotated in one direction. When the swing member 71 is rotated, the contact 75 of the limit switch 73 is pressed and the contact is closed. When the operating force is released, the push member 15 returns to the original position by the restoring force of the elastic body 25. As a result, the pair of slide bodies 17 are separated via the interlocking member 19. As a result, the swing member 71 is in an equilibrium state, and the limit switch 73 has the contact 75 protruding and the contact open.

FIG. 16A is an operation explanatory diagram showing the right end pressing and tilting operation of the push member 15 in the operation switch shown in FIG. 15, and FIG. 16B is a front view in which the push member of FIG.
When the operation switch 67 is kicked at the right end of the push member 15 in the longitudinal direction, the push member 15 is inclined and pushed. At this time, the kicked right slide body 17 slides large, and the opposite slide body 17 slides small. Also by this, the swing member 71 is rotated in one direction. When the swing member 71 is rotated, the contact 75 of the limit switch 73 is pressed and the contact is closed. When the operating force is released, the push member 15 returns to the original position by the restoring force of the elastic body 25. As a result, the pair of slide bodies 17 are separated via the interlocking member 19. As a result, the swing member 71 is in an equilibrium state, and the limit switch 73 has the contact 75 protruding and the contact open.

FIG. 17A is an operation explanatory view showing the operation of the operation switch shown in FIG. 15 at the time of the left end pressing and tilting operation of the push member 15, and FIG. 17B is a front view in which the push member of FIG.
Contrary to the above, when the operation switch 67 is kicked at the left end in the longitudinal direction of the push material 15, the push material 15 is inclined and pushed. At this time, the kicked left slide body 17 slides largely, and the opposite slide body 17 slides small. Also by this, the swing member 71 is rotated in one direction. When the swing member 71 is rotated, the contact 75 of the limit switch 73 is pressed and the contact is closed as described above. When the operating force is released, the swing member 71 is in an equilibrium state, and the limit switch 73 has the contact 75 protruding and the contact open.

FIG. 18A is a plan view of a specific example of the operation switch according to the third embodiment, and FIG. 18B is a front view in which the push material of FIG.
In the operation switch 77 as a more specific example of the third embodiment, the interlocking member 19 includes a biaxial hinge 49, and the slide body 17 is slidably supported by the rail member 51. The biaxial hinge 49 constitutes a link mechanism in the same manner as described above. A plurality of pairs of elastic bodies 25 are arranged apart from each other in the longitudinal direction on the upper side and the lower side of the base material 13, and two pairs in the figure.

  In the operation switch 67, when the push member 15 is pushed in by the maximum pushing operation amount, the swing member 71 is rotated at the maximum rotation angle. At this time, the movement amount (circumferential trajectory) at an arbitrary point along the radial direction of the swinging member 71 is larger at a point on the radially outer side and smaller at a point on the radially inner side. Therefore, the limit switch 73 serving as a switch unit is provided at a desired position in the direction along the radial direction of the swing member 71, so that a desired opening / closing stroke can be obtained. As a result, the linear motion of the slide body 17 is converted into the rotational motion of the swing member 71, and the setting of the opening / closing stroke of the switch portion is facilitated, and the limit switch 73 having a desired opening / closing stroke can be used.

  In addition, in said embodiment, although the case where the push material 15 was kicked was demonstrated to the example, the push material 15 is changing the installation place, ie, positions other than the position along the floor surface of the machine tool 23, For example, it may be the height of the operator's waist, the position of the arm, or the head, and can be configured to be operable with knees, thighs, hands, arms, elbows, shoulders, heads, and the like. In addition, the operation switch of each embodiment described above can be used not only in the direction in which the longitudinal direction is the horizontal direction but also in the direction in which the longitudinal direction is the vertical direction or the oblique direction, that is, in the horizontal direction. By installing in the vertical direction, it is possible to widen the movement range of the worker, and by installing in the vertical direction, the upper and lower ranges in the standing position of the worker can be set as the operation range. Furthermore, it is possible to arrange a plurality of operation switches 11 (47, 63, 67, 77) in the longitudinal direction or to be arranged in series, and because of the long structure, for example, a housing of equipment equipment. It can also be arranged on the ridgeline part of the body.

  Therefore, according to the operation switches 11, 47, 63, 67, 77 according to the present embodiment, the range that can be pressed by the long push material 15 is widened, and the time until the switch is pressed can be shortened. . Moreover, it can be configured to be thin with a simple configuration, and can be arranged at a place where it is easy to operate.

DESCRIPTION OF SYMBOLS 11, 47, 63, 67, 77 ... Operation switch 13 ... Base material 15 ... Push material 17 ... Slide body 19 ... Interlocking member 21 ... Switch part 23 ... Fixed body (machine tool)
25. Elastic body (coil spring)
57 ... Push material facing surface 59 ... Link 65 ... Leaf spring material 69 ... Support shaft 71 ... Swing member

Next, means for solving the above problems will be described with reference to the drawings corresponding to the embodiments.
The operation switch 11 according to claim 1 of the present invention includes a long base material 13 attached to the fixed body 23, and
A long push material 15 spaced along the base material 13;
An elastic body 25 provided over the push material 15 and the base material 13, supporting the push material 15 with respect to the base material 13 and elastically deforming in the direction of separation;
A slide body 17 slidably provided on the base material 13;
An interlocking member 19 that connects the slide body 17 and the push member 15 and slides the slide body 17 by the movement of the push member 15 in the separation direction;
A switch unit 21 that opens and closes a contact point by sliding the slide body 17;
Equipped with,
A pair of the slide bodies 17 are provided apart in the longitudinal direction of the base material 13,
Each of the pair of slide bodies 17 is connected to the push member 15 so as to be movable toward and away by a pair of interlocking members 19 arranged in opposite directions,
The contact point of the switch part 21 is opened and closed by the approach and separation of the pair of slide bodies 17 .

In the operation switch 11, the push material 15 is supported with a predetermined gap through the elastic body 25 with respect to the base material 13 attached to the fixed body 23. When the operating force is applied, the push member 15 deforms the elastic body 25, moves in the direction of narrowing the gap, and is pushed in. The pushed push material 15 returns to the original position by the restoring force of the elastic body 25. The force in the pushing direction applied to the push member 15 causes the slide body 17 to slide by the interlocking member 19. The slide body 17 closes the contact of the switch part 21 by this slide. When the pushing force is released, the push member 15 returns to the original position, and the slide body 17 is slid in the direction to open the contact by the interlocking member 19 that follows the push member 15. Accordingly, the push material 15 is pushed into an arbitrary long position, thereby narrowing the gap with the base material 13 and sliding the slide body 17. Thereby, the operation switch 11 becomes the range which can be operated in any position of the elongate push material 15, ie, the range of switch operation becomes wide.
In the operation switch 11, the pair of slide bodies 17 can be moved toward and away from each other by a reverse-direction interlocking member 19. One of the contacts of the switch unit 21 is provided on one of the pair of slide bodies 17, and the other of the contacts of the switch unit 21 is provided on the other of the pair of slide bodies 17. Thereby, the contact of the switch part 21 is opened and closed by the approach and separation of the pair of slide bodies 17. It is assumed that the long push member 15 is pushed on one side in the longitudinal direction. At that time, the slide body 17 on the pushing side slides largely, and the slide body 17 on the opposite side slides small. For this reason, regardless of which end of the push member 15 is pushed in, each slide body 17 is moved in the direction in which the contact points are approached, and a small operation amount of the push member 15 can be amplified.

The operation switch 67 according to claim 2 of the present invention includes a long base member 13 attached to the fixed body 23, and
A long push material 15 spaced along the base material 13;
An elastic body 25 provided over the push material 15 and the base material 13, supporting the push material 15 with respect to the base material 13 and elastically deforming in the direction of separation;
A slide body 17 slidably provided on the base material 13;
An interlocking member 19 that connects the slide body 17 and the push member 15 and slides the slide body 17 by the movement of the push member 15 in the separation direction;
A switch unit 21 that opens and closes a contact point by sliding the slide body 17;
Comprising
A pair of the slide bodies 17 are arranged along the longitudinal direction on the push material facing surface 57 of the base material 13 and are displaced in a direction perpendicular to the longitudinal direction,
The base member 13 between the pair of slide bodies 17 is provided with a swinging member 71 that is rotatable via a support shaft 69 perpendicular to the push member facing surface 57.
The swing member 71 is rotated by the slide of the slide body 17,
The contact of the switch unit 21 is opened and closed by the rotation of the swing member 71.

The operation switch 47 according to claim 3 of the present invention is the operation switch according to claim 1 or 2 ,
The interlocking member 19 is constituted by a link mechanism having a link 59 for connecting the push member 15 and the slide body 17 in pairs around both ends in the longitudinal direction.

The operation switch 63 according to claim 4 of the present invention is the operation switch according to claim 1 or 2 ,
The interlocking member includes a leaf spring material 65 that extends along the longitudinal direction of the base material 13 and connects the push material 15 and the slide body 17 at both longitudinal ends.

According to the operation switch of the first aspect of the present invention, the contact is opened and closed by the slide movement of the slide body, and the movement of the push member through the interlocking member is converted by the movement of the slide body. As a result, the slide body will move regardless of where the long push material is pushed, and the contacts will be opened and closed. The range that can be operated becomes wider, and the time until the pressing operation can be shortened.
Moreover, according to this operation switch, since it is a simple structure of a long base material and a push material, and a slide body, an interlocking member, a switch member, and an elastic body formed in the gap portion, it can be configured thinly. It can be installed without limiting the arrangement position, for example, it may be provided as a foot switch at the lower edge portion along the floor surface of the machine tool, or it may be provided at the vertical edge portion of the equipment. It can be installed in an easy-to-operate position, that is, within easy reach such as toes, knees, hands and elbows, and can be configured to be retrofitted to existing equipment.
According to this operation switch, the slide body and the interlocking member are configured as a pair, so that the movement of the push material can be reliably transmitted, and a small operation amount of the push material can be amplified, and the switch portion is operated reliably. Can be made.

According to the operation switch of the second aspect of the present invention, after the movement of the push member in the separating direction is converted into the slide movement of the slide body, the linear motion of the slide body is converted into the rotational motion of the swing member. Therefore, it becomes easy to set the opening / closing stroke of the switch section, and a limit switch having a desired opening / closing stroke can be used. In addition, since the pair of slide bodies are arranged at alternate positions, the slide member is rotated by either of the slide members, and the switch unit is opened and closed via the swing member. it can.

According to the operation switch of the third aspect of the present invention, the push member and the slide body are connected by the link mechanism, and the movement of the push member can be reliably transmitted to the slide body and the slide body can be slid. .

According to the operation switch of the fourth aspect of the present invention, the push material and the slide body are connected by the leaf spring material, and the movement of the push material can be transmitted to the slide body with a simple structure.

Claims (5)

A long base material that can be attached to a fixed body,
A long push material spaced along the base material;
An elastic body that is provided across the push material and the base material, supports the push material relative to the base material, and elastically deforms in the direction of separation;
A slide body slidably provided on the base material;
An interlocking member that connects the slide body and the push material, and slides the slide body by movement of the push material in the separation direction;
A switch part for opening and closing the contact point by sliding the slide body;
An operation switch comprising: The operation switch according to claim 1,
A pair of the slide bodies are provided apart in the longitudinal direction of the base material,
Each of the pair of slide bodies is connected to the push member so as to be movable toward and away by the interlocking member disposed in a pair of opposite directions,
An operation switch, wherein the contact of the switch part is opened and closed by an approach and separation of the pair of slide bodies. The operation switch according to claim 1,
A pair of the slide bodies are arranged along the longitudinal direction on the push material facing surface of the base material and are displaced in a direction perpendicular to the longitudinal direction,
The base material between the pair of slide bodies is provided with a swinging member that is rotatable via a support shaft perpendicular to the push material facing surface,
The swing member is rotated by the slide of the slide body,
An operation switch, wherein the contact of the switch part is opened and closed by the rotation of the swing member. The operation switch according to any one of claims 1, 2, and 3,
An operation switch, wherein the interlocking member is constituted by a link mechanism having a link for connecting the push member and the slide body in pairs around both ends in the longitudinal direction. The operation switch according to any one of claims 1, 2, and 3,
The operation switch includes a leaf spring material that extends along a longitudinal direction of the base material and connects the push material and the slide body at both longitudinal ends.

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