WO2011037029A1 - マイクロスイッチ - Google Patents
マイクロスイッチ Download PDFInfo
- Publication number
- WO2011037029A1 WO2011037029A1 PCT/JP2010/065694 JP2010065694W WO2011037029A1 WO 2011037029 A1 WO2011037029 A1 WO 2011037029A1 JP 2010065694 W JP2010065694 W JP 2010065694W WO 2011037029 A1 WO2011037029 A1 WO 2011037029A1
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- WO
- WIPO (PCT)
- Prior art keywords
- lever member
- reinforcing
- plunger
- longitudinal direction
- microswitch
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
- H01H3/04—Levers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/02—Details
- H01H13/12—Movable parts; Contacts mounted thereon
- H01H13/14—Operating parts, e.g. push-button
- H01H13/18—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift
- H01H13/186—Operating parts, e.g. push-button adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. door switch, limit switch, floor-levelling switch of a lift wherein the pushbutton is rectilinearly actuated by a lever pivoting on the housing of the switch
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
- H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
Definitions
- the present invention relates to a microswitch for detecting a predetermined object to be detected.
- a microswitch 101 shown in FIG. 5 is known as a microswitch for detecting a predetermined object.
- the microswitch 101 includes a housing 107 in which fixed contacts 102 and 103, a movable contact 104 and leaf springs 105 and 106 are incorporated, a plunger 108 that transmits power to the leaf spring 105, and one end thereof supported by the housing 107.
- the lever member 109 is provided.
- the lever member 109 is a leaf spring formed by bending a metal flat plate member into a substantially L shape as shown in FIG.
- a micro switch including a lever member with high rigidity in which a reinforcing means against bending of the lever member is formed is also known (see, for example, Patent Document 1).
- a reinforcing flange or reinforcing rib as reinforcing means is formed in the lever member along the longitudinal direction of the lever member.
- a reinforcing beam as reinforcing means is formed on the lever member along the longitudinal direction of the lever member.
- reinforcing means is formed on the surface of the lever member opposite to the surface on which the plunger abuts.
- a roller with which the object to be detected abuts is attached to the tip end side of the lever member.
- the object to be detected directly contacts the surface of the lever member 109 opposite to the surface with which the plunger 108 contacts (the upper surface in FIG. 5). Therefore, if the reinforcing means formed on the lever member described in Patent Document 1 is formed as it is on the lever member 109, in the microswitch 101, there is a possibility that the detected object comes into contact with the reinforcing means. Therefore, in the micro switch 101, the micro switch 101 and the detected object are detected when the detected object is detected by the micro switch 101 depending on whether the reinforcing member is formed on the lever member 109 or not. The relative distance may change.
- an object of the present invention is to provide a microswitch capable of preventing a decrease in versatility while increasing the rigidity of a lever member.
- a microswitch of the present invention includes a housing in which a switch mechanism is built, a plunger that is movably held in the housing and transmits power to the switch mechanism, and a base end side of which is supported by the housing. And a leaf spring-like lever member that can rotate with its base end as a fulcrum, and the distal end of the plunger is on one surface of the lever member in the lever member rotation direction at an intermediate position in the longitudinal direction of the lever member. The object to be detected can abut against the other surface of the lever member in the rotation direction of the lever member on the distal end side of the lever member.
- the lever is positioned on the other surface of the lever member and at a position avoiding the detected object abutting portion.
- a first reinforcing portion for reinforcing the strength of the material is formed, and a second reinforcing portion for reinforcing the strength of the lever member is formed on one surface of the lever member and at a position avoiding the plunger contact portion. It is characterized by being.
- the first reinforcing portion and the second reinforcing portion for reinforcing the strength of the lever member are formed on the lever member. Therefore, in the present invention, it is possible to increase the rigidity of the lever member.
- the tip of the plunger comes into contact with one surface of the lever member in the rotation direction of the lever member, and the detected object can come into contact with the other surface of the lever member in the rotation direction of the lever member. It has become.
- the first reinforcing portion is formed on the other surface of the lever member at a position avoiding the detected object contact portion, and on the one surface of the lever member and at a position avoiding the plunger contact portion.
- a second reinforcing portion for reinforcing the strength of the lever member is formed.
- the second reinforcing portion is formed on one surface of the lever member with which the tip of the plunger abuts, and the first reinforcing portion is formed at a position avoiding the detected object abutting portion on the tip end side of the lever member.
- the external dimensions of the microswitch are hardly changed. Therefore, for example, compatibility can be provided between the conventional microswitch 101 and the microswitch of the present invention. As a result, in the present invention, it is possible to prevent the versatility of the microswitch from being lowered.
- the first reinforcing portion is formed from the proximal end side of the lever member toward the plunger contact portion
- the second reinforcing portion is formed from the distal end side of the lever member toward the plunger contact portion.
- the 1st reinforcement part and the 2nd reinforcement part are continuously formed so that it may not interrupt in the longitudinal direction of a lever member. That is, it is preferable that the 1st reinforcement part and the 2nd reinforcement part are continuously formed so that it may not interrupt in the longitudinal direction of a lever member. If comprised in this way, it will become possible to raise the rigidity of a lever member more.
- the distal end side end of the first reinforcing portion in the longitudinal direction of the lever member is disposed closer to the distal end side of the lever member than the plunger contact portion, and the second reinforcing portion in the longitudinal direction of the lever member is arranged.
- the proximal end of the lever member is preferably disposed on the distal end side of the lever member with respect to the plunger contact portion. If comprised in this way, it will become possible to prevent reliably a contact with the 2nd reinforcement part and the front-end
- the distal end side end of the lever member of the first reinforcing portion in the longitudinal direction of the lever member and the proximal end side of the lever member of the second reinforcing portion in the longitudinal direction of the lever member are the longitudinal direction of the lever member. It is preferable that the directions substantially coincide. Further, in the present invention, the distal end side end portion of the lever member of the first reinforcing portion in the longitudinal direction of the lever member and the proximal end side end portion of the lever member of the second reinforcing portion in the longitudinal direction of the lever member, More preferably, they overlap each other in the longitudinal direction of the lever member. If comprised in this way, it will become possible to raise the rigidity of a lever member more.
- the first reinforcing portion and / or the second reinforcing portion is, for example, a reinforcing flange formed by bending an end portion of the lever member in a direction orthogonal to the longitudinal direction of the lever member, or the longitudinal direction of the lever member. It is a reinforcing rib formed along the direction.
- the casing is preferably formed of a thermoplastic resin. If comprised in this way, when discarding a microswitch, for example, it will become possible to reuse resin which comprises a housing. Therefore, it is possible to reduce the environmental load.
- the casing is preferably formed of a liquid crystalline thermoplastic resin. If comprised in this way, even if it is a case where a housing is formed with a thermoplastic resin, it will become possible to improve the heat resistance of a housing.
- FIG. 1 It is sectional drawing of the microswitch concerning embodiment of this invention, (A) is a figure which shows the state where a microswitch is OFF, (B) is a figure which shows the state where a microswitch is ON. It is a perspective view of the lever member shown in FIG. It is a graph for demonstrating the difference of the hysteresis of the microswitch concerning embodiment of this invention, and the hysteresis of the microswitch concerning a prior art. It is a perspective view of the lever member concerning other embodiments of the present invention. It is sectional drawing of the microswitch concerning a prior art. It is a perspective view of the lever member shown in FIG.
- FIG. 1A and 1B are cross-sectional views of a microswitch 1 according to an embodiment of the present invention, in which FIG. 1A shows a state in which the microswitch 1 is off, and FIG. 1B shows a state in which the microswitch 1 is on. It is.
- FIG. 2 is a perspective view of the lever member 5 shown in FIG.
- the micro switch 1 of the present embodiment is a detection device for detecting a predetermined object (not shown).
- the microswitch 1 includes a switch mechanism 2, a housing 3 in which the switch mechanism 2 is built, a plunger 4 that is movably held in the housing 3 and transmits power to the switch mechanism 2, and a base end side supported by the housing 3
- the lever member 5 is provided.
- each of the three directions orthogonal to each other is defined as an X direction, a Y direction, and a Z direction.
- the X direction is referred to as “left / right direction”
- the Y direction is referred to as “front / rear direction”
- the Z direction is referred to as “vertical direction”.
- the X1 direction side is the “right” side
- the X2 direction side is the “left” side
- the Z1 direction side is the “upper” side
- the Z2 direction side is the “lower” side.
- the switch mechanism 2 is a so-called snap action mechanism, which includes three terminals, a first terminal 7, a second terminal 8, and a third terminal 9, a fixed contact 10 fixed to the second terminal 8, and a third terminal.
- 9 includes a fixed side contact 11 fixed to 9, a movable side contact 12, a contact spring 13 that holds the movable side contact 12, and a bending spring 14 that biases the contact spring 13.
- the contact spring 13 and the bending spring 14 are metal leaf springs.
- the upper ends of the first terminal 7, the second terminal 8 and the third terminal 9 are arranged inside the housing 3, and the lower ends of the first terminal 7, the second terminal 8 and the third terminal 9 are outside the housing 3. Protruding.
- the base end (left end) of the contact spring 13 is held on the upper end side of the first terminal 7, and the tip end (right end) of the contact spring 13 holds the movable contact 12.
- the fixed side contact 10 and the fixed side contact 11 are arranged so as to face each other in the vertical direction, and the movable side contact 12 is arranged between the fixed side contact 10 and the fixed side contact 11.
- the casing 3 is made of a thermoplastic resin.
- the housing 3 is composed of a liquid crystal polymer (L CP) or the like, and a liquid crystalline thermoplastic resin.
- the plunger 4 is held by the housing 3 so as to be movable in the vertical direction.
- the base end (lower end) of the plunger 4 is in contact with the contact spring 13.
- the tip (upper end) of the plunger 4 is in contact with the lever member 5.
- the base end and the distal end of the plunger 4 are formed so that the shape when viewed from the front-rear direction is a substantially arc shape.
- the lever member 5 is a leaf spring formed by bending a metal plate-like member formed in a substantially rectangular shape into a substantially L shape.
- the lever member 5 includes a short side portion 5a constituting the base end side of the lever member 5, and a long side portion 5b substantially orthogonal to the short side portion 5a and longer than the short side portion 5a.
- a convex portion 5j that protrudes to both sides in the front-rear direction is formed.
- the base end side of the lever member 5 is supported by the housing 3. That is, the short side portion 5 a is supported by the housing 3.
- lever member 5 is rotatable with the convex portion 5j of the short side portion 5a as a fulcrum.
- the long side portion 5b is rotatable with the convex portion 5j of the short side portion 5a as a fulcrum.
- the tip of the plunger 4 is in contact with the lever member 5.
- the distal end of the plunger 4 is long at an intermediate position in the longitudinal direction of the long side part 5b (more specifically, a position closer to the short side part 5a than the center of the long side part 5b in the longitudinal direction). It contacts the lower surface 5c of the side 5b.
- the detection object can come into contact with the distal end side (right end side) of the long side portion 5b.
- an object to be detected can come into contact with the upper surface 5d on the distal end side of the long side portion 5b.
- the portion of the lever member 5 where the tip of the plunger 4 abuts is a plunger abutting portion 16
- the portion of the lever member 5 where the detected object abuts is a detected object abutting portion 17.
- the tip of the plunger 4 is formed so that the shape when viewed from the front-rear direction is a substantially arc shape, and is in line contact with the lever member 5. Further, as described above, the lever member 5 is rotatable with the convex portion 5j of the short side portion 5a as a fulcrum, and the lever member 5 is rotated with the convex portion 5j of the short side portion 5a as a fulcrum. Then, the part of the lever member 5 where the tip of the plunger 4 makes line contact is shifted in the longitudinal direction of the long side part 5b. Therefore, in this embodiment, the area surrounded by the two-dot chain line in FIG.
- a reinforcing flange 5e for reinforcing the strength of the long side portion 5b is formed on the lower surface 5c of the long side portion 5b so as to protrude downward (upper side in FIG. 2).
- a reinforcing flange 5f for reinforcing the strength of the long side portion 5b is formed on the upper surface 5d of the portion 5b so as to protrude upward (lower side in FIG. 2).
- the reinforcing flange 5 f is formed at a position avoiding the detected object contact portion 17, and the reinforcing flange 5 e is formed at a position avoiding the plunger contact portion 16. More specifically, as shown in FIG. 1, the reinforcing flange 5f has a long side between the base end (left end) of the long side portion 5b in the longitudinal direction of the long side portion 5b and a little right side of the plunger abutting portion 16.
- the reinforcing flange 5e is formed so as not to be interrupted in the longitudinal direction of the portion 5b, and a reinforcing flange 5e is formed between the right side of the plunger contact portion 16 in the longitudinal direction of the long side portion 5b and the tip of the long side portion 5b. It is formed continuously so as not to be interrupted in the longitudinal direction of 5b. That is, the reinforcing flange 5f is formed from the proximal end side of the lever member 5 toward the plunger contact portion 16, and the reinforcing flange 5e is formed from the distal end side of the lever member 5 toward the plunger contact portion 16. .
- the right end of the reinforcing flange 5 f is disposed on the right side of the plunger contact portion 16, and the left end of the reinforcing flange 5 e is disposed on the right side of the plunger contact portion 16.
- the reinforcing flanges 5e and 5f are formed such that the right end of the reinforcing flange 5f and the left end of the reinforcing flange 5e substantially coincide with each other in the longitudinal direction of the long side portion 5b.
- the reinforcing flanges 5e and 5f are formed by bending both end portions of the long side portion 5b in the front-rear direction at a substantially right angle.
- the reinforcing flange 5f in this embodiment is a first reinforcing portion for reinforcing the strength of the lever member 5, and the reinforcing flange 5e is a second reinforcing portion for reinforcing the strength of the lever member 5.
- the reinforcing flanges 5e and 5f are formed on the lever member 5. Therefore, the rigidity of the lever member 5 can be increased.
- the reinforcing flanges 5e and 5f are formed so that the right end of the reinforcing flange 5f and the left end of the reinforcing flange 5e are substantially coincident with each other in the longitudinal direction of the long side portion 5b. Compared with a case where a gap is formed between the right end of the reinforcing flange 5f and the left end of the reinforcing flange 5e in the longitudinal direction, the rigidity of the lever member 5 can be effectively increased.
- the reinforcing flanges 5e and 5f are continuously formed so as not to be interrupted in the longitudinal direction of the long side portion 5b. Therefore, the reinforcing flanges 5e and 5f are intermittent in the longitudinal direction of the long side portion 5b.
- the rigidity of the lever member 5 can be effectively increased as compared with the case where the lever member 5 is formed.
- the hysteresis of the microswitch 1 can be reduced as compared with the conventional microswitch 101. That is, as shown in FIG. 3, the hysteresis MD2 of the microswitch 1 can be made smaller than the hysteresis MD1 of the conventional microswitch 101. Therefore, in this embodiment, the detection accuracy of the microswitch 1 can be increased as compared with the conventional microswitch 101.
- “FP” represents the position of the plungers 4 and 108 when the object to be detected is not in contact with the lever members 5 and 109.
- “OP1” represents the position of the plunger 108 when the external force acting on the lever member 109 increases and the micro switch 101 is switched from OFF to ON.
- “RP1” represents the external force acting on the lever member 109.
- the position of the plunger 108 when the micro switch 101 is decreased and is switched from on to off is shown.
- “OP2” represents the position of the plunger 4 when the external force acting on the lever member 5 increases and the microswitch 1 switches from off to on.
- “RP2” represents the external force acting on the lever member 5. It shows the position of the plunger 4 when the micro switch 1 is decreased and switched from on to off.
- “OF” represents the force acting on the plungers 4 and 108 when OP1 and OP2 are reached, and “RF” represents the force acting on the plungers 4 and 108 when RP1 and RP2 are reached.
- a reinforcing flange 5f is formed between the base end of the long side portion 5b in the longitudinal direction of the long side portion 5b and a little right side of the plunger abutting portion 16, and the plunger abutment in the longitudinal direction of the long side portion 5b.
- a reinforcing flange 5e is formed between a little right side of the portion 16 and the tip of the long side portion 5b.
- the reinforcing flange 5f is formed on the upper surface 5d of the long side portion 5b with which the object to be detected abuts, and the reinforcing flange 5e is formed on the lower surface 5c of the long side portion 5b with which the tip of the plunger 4 abuts.
- the reinforcing flanges 5e and 5f and the tip of the plunger 4 do not contact each other, and the reinforcing flanges 5e and 5f and the object to be detected do not contact each other. Therefore, even if the reinforcing flanges 5e and 5f are formed on the lever member 5, the relative distance between the microswitch 1 and the detected object when the detected object is detected by the microswitch 1 is unlikely to change. Further, since the reinforcing flange 5e is formed on the lower surface 5c of the lever member 5 on the distal end side of the lever member 5, even if the reinforcing flange 5e is formed on the lever member 5, the external dimensions of the micro switch 1 are not easily changed. Become. Therefore, for example, compatibility can be provided between the conventional microswitch 101 and the microswitch 1 of the present embodiment. As a result, in this embodiment, it becomes possible to prevent the versatility of the microswitch 1 from being lowered.
- the housing 3 is formed of a thermoplastic resin. Therefore, for example, when the microswitch 1 is discarded, the resin constituting the housing 3 can be reused. Therefore, in this embodiment, it is possible to reduce the environmental load.
- the housing 3 is formed of a liquid crystalline thermoplastic resin, the heat resistance of the housing 3 can be improved even when the housing 3 is formed of a thermoplastic resin. become.
- the lever member 5 is formed with the reinforcing flange 5f as the first reinforcing portion and the reinforcing flange 5e as the second reinforcing portion.
- the lever member 5 is formed with a reinforcing rib 5g as a first reinforcing portion along the longitudinal direction of the lever member 5, and a reinforcing rib as a second reinforcing portion. 5 h may be formed along the longitudinal direction of the lever member 5.
- the reinforcing rib 5g is located on the upper surface 5d of the long side portion 5b between the base end of the long side portion 5b in the longitudinal direction of the long side portion 5b and the right side of the plunger contact portion 16 (FIG. 4A).
- the lower surface 5c of the long side portion 5b is formed continuously from the right side of the plunger contact portion 16 in the longitudinal direction of the long side portion 5b to the tip of the long side portion 5b.
- the reinforcing rib 5h may be continuously formed so as to protrude downward (upper side in FIG. 4A).
- the reinforcing ribs 5g and 5h are formed such that the right end of the reinforcing rib 5g and the left end of the reinforcing rib 5h are substantially coincided with each other in the longitudinal direction of the long side portion 5b. Further, in the example shown in FIG. 4A, the reinforcing ribs 5g and 5h are formed by bending a substantially central portion of the long side portion 5b in the front-rear direction into a substantially arc shape. The reinforcing ribs 5g and 5h may be formed by bending predetermined portions of the long side portion 5b in the front-rear direction into a substantially polygonal shape such as a substantially triangular shape or a substantially rectangular shape. Further, the reinforcing ribs 5g and 5h may be formed by fixing a substantially cylindrical beam or a substantially polygonal columnar beam to the lower surface 5c or the upper surface 5d of the long side portion 5b.
- the lever member 5 may be formed with a reinforcing rib 5g as a first reinforcing portion and a reinforcing flange 5e as a second reinforcing portion. That is, a reinforcing rib 5g is formed on the upper surface 5d of the long side portion 5b between the base end of the long side portion 5b in the longitudinal direction of the long side portion 5b and a little to the right side of the plunger contact portion 16, and the long side portion 5b.
- a reinforcing flange 5e may be formed on the lower surface 5c of the long side portion 5b between the right side of the plunger abutting portion 16 in the longitudinal direction and the tip of the long side portion 5b.
- the reinforcing rib 5g and the reinforcing flange 5e are such that the right end portion of the reinforcing rib 5g and the left end portion of the reinforcing flange 5e are in the longitudinal direction of the long side portion 5b. Preferably, they are formed so as to overlap. If it does in this way, the rigidity of lever member 5 can be raised more effectively.
- the lever member 5 may be formed with a reinforcing flange 5f as a first reinforcing portion and a reinforcing rib 5h as a second reinforcing portion.
- the reinforcing flanges 5e and 5f are formed such that the right end of the reinforcing flange 5f and the left end of the reinforcing flange 5e are substantially aligned in the longitudinal direction of the long side portion 5b.
- the reinforcing flanges 5e and 5f may be formed so that a gap is formed between the right end of the reinforcing flange 5f and the left end of the reinforcing flange 5e in the longitudinal direction of the long side portion 5b.
- the reinforcing flanges 5e and 5f are continuously formed so as not to be interrupted in the longitudinal direction of the long side portion 5b.
- the reinforcing flange 5e and / or the reinforcing flange 5f are formed of the long side portion 5b. May be formed intermittently in the longitudinal direction. Further, when the reinforcing flange 5e and / or the reinforcing flange 5f are intermittently formed in the longitudinal direction of the long side portion 5b, the reinforcing flange 5e and / or the reinforcing flange 5f are intermittently formed in the gaps. Ribs 5g and 5h may be formed.
- the reinforcing flange 5f is formed between the base end of the long side portion 5b in the longitudinal direction of the long side portion 5b and a little right side of the plunger abutting portion 16, and the plunger contact in the longitudinal direction of the long side portion 5b is formed.
- a reinforcing flange 5e is formed between the right side of the contact part 16 and the tip of the long side part 5b.
- a reinforcing flange 5f is formed between the base end of the long side portion 5b in the longitudinal direction of the long side portion 5b and the plunger contact portion 16, and the plunger contact portion in the longitudinal direction of the long side portion 5b.
- a reinforcing flange 5e may be formed between 16 and the tip of the long side portion 5b. Further, a reinforcing flange 5f is formed between the base end of the long side portion 5b in the longitudinal direction of the long side portion 5b and a little left side of the plunger abutting portion 16, and the plunger abutting portion 16 in the longitudinal direction of the long side portion 5b. A reinforcing flange 5e may be formed between a little right side of this and the tip of the long side portion 5b.
- the reinforcing flange 5f is formed from the proximal end side of the lever member 5 toward the plunger contact portion 16, and the reinforcing flange 5e is formed from the distal end side of the lever member 5 toward the plunger contact portion 16.
- the reinforcing flange 5f is formed at a position avoiding the detected object contact portion 17 and the reinforcing flange 5e is formed at a position avoiding the plunger contact portion 16, the reinforcing flange 5f is The lever member 5 may not be formed from the base end side toward the plunger contact portion 16, and the reinforcing flange 5 e is not formed from the distal end side of the lever member 5 toward the plunger contact portion 16. May be.
- the housing 3 is formed of a liquid crystalline thermoplastic resin such as a liquid crystal polymer.
- the housing 3 may be formed of a crystalline thermoplastic resin.
- annealing treatment on the casing 3.
- the housing 3 may be formed of a thermosetting resin such as a phenol resin.
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- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
- Push-Button Switches (AREA)
Abstract
Description
図1は、本発明の実施の形態にかかるマイクロスイッチ1の断面図であり、(A)はマイクロスイッチ1がオフの状態を示す図、(B)はマイクロスイッチ1がオンの状態を示す図である。図2は、図1に示すレバー部材5の斜視図である。
CP)等の液晶性の熱可塑性樹脂で形成されている。プランジャ4は、上下方向に移動可能となるように、筺体3に保持されている。プランジャ4の基端(下端)は、接点バネ13に当接している。また、プランジャ4の先端(上端)は、レバー部材5に当接している。なお、プランジャ4の基端および先端は、図1に示すように、前後方向から見たときの形状が略円弧状になるように形成されている。
以上説明したように、本形態では、レバー部材5に補強フランジ5e、5fが形成されている。そのため、レバー部材5の剛性を高めることができる。特に、本形態では、補強フランジ5e、5fは、補強フランジ5fの右端と補強フランジ5eの左端とが長辺部5bの長手方向において略一致するように形成されているため、長辺部5bの長手方向において、補強フランジ5fの右端と補強フランジ5eの左端との間に隙間が形成されている場合と比較して、レバー部材5の剛性を効果的に高めることができる。また、本形態では、補強フランジ5e、5fは、長辺部5bの長手方向において途切れないように連続的に形成されているため、補強フランジ5e、5fが長辺部5bの長手方向において断続的に形成されている場合と比較して、レバー部材5の剛性を効果的に高めることができる。
上述した形態は、本発明の好適な形態の一例ではあるが、これに限定されるものではなく本発明の要旨を変更しない範囲において種々変形実施が可能である。
2 スイッチ機構
3 筺体
4 プランジャ
5 レバー部材
5c 下面(レバー部材の一方の面)
5d 上面(レバー部材の他方の面)
5e 補強フランジ(第2補強部)
5f 補強フランジ(第1補強部)
5g 補強リブ(第1補強部)
5h 補強リブ(第2補強部)
16 プランジャ当接部
17 被検出物当接部
Claims (9)
- スイッチ機構が内蔵される筺体と、前記筺体に移動可能に保持され前記スイッチ機構に動力を伝達するプランジャと、前記筺体にその基端側が支持されるとともにその基端側を支点にして回動可能な板バネ状のレバー部材とを備え、
前記レバー部材の長手方向における中間位置で前記レバー部材の回動方向における前記レバー部材の一方の面に前記プランジャの先端が当接するとともに、前記レバー部材の先端側で前記レバー部材の回動方向における前記レバー部材の他方の面に被検出物が当接可能であり、
前記レバー部材の、前記プランジャの先端が当接する部分をプランジャ当接部とし、前記レバー部材の、前記被検出物が当接する部分を被検出物当接部とすると、
前記レバー部材の前記他方の面に、かつ、前記被検出物当接部を避けた位置に前記レバー部材の強度を補強するための第1補強部が形成され、
前記レバー部材の前記一方の面に、かつ、前記プランジャ当接部を避けた位置に前記レバー部材の強度を補強するための第2補強部が形成されていることを特徴とするマイクロスイッチ。 - 前記第1補強部は、前記レバー部材の基端側から前記プランジャ当接部に向かって形成され、前記第2補強部は、前記レバー部材の先端側から前記プランジャ当接部に向かって形成されていることを特徴とする請求項1記載のマイクロスイッチ。
- 前記第1補強部および前記第2補強部は、前記レバー部材の長手方向において途切れないように連続的に形成されていることを特徴とする請求項2記載のマイクロスイッチ。
- 前記レバー部材の長手方向における前記第1補強部の、前記レバー部材の先端側端は、前記プランジャ当接部よりも前記レバー部材の先端側に配置され、
前記レバー部材の長手方向における前記第2補強部の、前記レバー部材の基端側端は、前記プランジャ当接部よりも前記レバー部材の先端側に配置されていることを特徴とする請求項3記載のマイクロスイッチ。 - 前記レバー部材の長手方向における前記第1補強部の、前記レバー部材の先端側端と、前記レバー部材の長手方向における前記第2補強部の、前記レバー部材の基端側端とが、前記レバー部材の長手方向において略一致することを特徴とする請求項3または4記載のマイクロスイッチ。
- 前記レバー部材の長手方向における前記第1補強部の、前記レバー部材の先端側端部分と、前記レバー部材の長手方向における前記第2補強部の、前記レバー部材の基端側端部分とが、前記レバー部材の長手方向において互いに重なっていることを特徴とする請求項3または4記載のマイクロスイッチ。
- 前記第1補強部および/または前記第2補強部は、前記レバー部材の長手方向に直交する方向における前記レバー部材の端部が折り曲げられて形成された補強フランジ、または、前記レバー部材の長手方向に沿って形成される補強リブであることを特徴とする請求項1から6のいずれかに記載のマイクロスイッチ。
- 前記筺体は、熱可塑性樹脂で形成されていることを特徴とする請求項1から7のいずれかに記載のマイクロスイッチ。
- 前記筺体は、液晶性の熱可塑性樹脂で形成されていることを特徴とする請求項8記載のマイクロスイッチ。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/497,931 US8766120B2 (en) | 2009-09-25 | 2010-09-13 | Microswitch |
CN201080043024.5A CN102576618B (zh) | 2009-09-25 | 2010-09-13 | 微动开关 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009221094A JP5394870B2 (ja) | 2009-09-25 | 2009-09-25 | マイクロスイッチ |
JP2009-221094 | 2009-09-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011037029A1 true WO2011037029A1 (ja) | 2011-03-31 |
Family
ID=43795780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/065694 WO2011037029A1 (ja) | 2009-09-25 | 2010-09-13 | マイクロスイッチ |
Country Status (5)
Country | Link |
---|---|
US (1) | US8766120B2 (ja) |
JP (1) | JP5394870B2 (ja) |
CN (1) | CN102576618B (ja) |
TW (1) | TWI488204B (ja) |
WO (1) | WO2011037029A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI694478B (zh) * | 2018-08-30 | 2020-05-21 | 日商歐姆龍股份有限公司 | 開關及操作裝置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9659718B2 (en) * | 2012-11-05 | 2017-05-23 | Dae Dong Co., Ltd. | High load switch for vehicle |
FI126367B (en) | 2013-10-17 | 2016-10-31 | Abb Oy | Method and system for detecting a circuit board installed in a device |
CN105206470A (zh) * | 2015-10-27 | 2015-12-30 | 上海乐研电气科技有限公司 | 一种六氟化硫气体密度继电器 |
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JPS54166590U (ja) * | 1978-05-16 | 1979-11-22 | ||
JPS56100833U (ja) * | 1979-12-29 | 1981-08-08 | ||
JPS56107639U (ja) * | 1980-01-22 | 1981-08-21 | ||
JP2003086401A (ja) * | 2001-06-25 | 2003-03-20 | Hokuriku Electric Ind Co Ltd | 表面実装型電気部品及びその製造方法 |
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GB835494A (en) * | 1957-12-30 | 1960-05-18 | Burgess Products Co Ltd | Improvements in actuators for electrical switches |
GB1404309A (en) * | 1971-09-09 | 1975-08-28 | Otehall Ltd | Electrical switches |
EP0260659A3 (en) * | 1986-09-16 | 1988-07-20 | OMRON Corporation | Micro switch |
JPH0345402Y2 (ja) * | 1987-07-28 | 1991-09-25 | ||
US5565666A (en) * | 1995-03-31 | 1996-10-15 | Johnson Service Company | Trip free manual reset switch using an m-blade |
US5663540A (en) * | 1995-10-06 | 1997-09-02 | Control Products, Inc. | Double pivot point overtravel switch actuator |
JPH09161609A (ja) | 1995-12-12 | 1997-06-20 | Sony Corp | マイクロスイッチ |
TWM350087U (en) * | 2008-08-22 | 2009-02-01 | jing-hao Zhang | Micro-switch |
-
2009
- 2009-09-25 JP JP2009221094A patent/JP5394870B2/ja not_active Expired - Fee Related
-
2010
- 2010-09-13 CN CN201080043024.5A patent/CN102576618B/zh not_active Expired - Fee Related
- 2010-09-13 WO PCT/JP2010/065694 patent/WO2011037029A1/ja active Application Filing
- 2010-09-13 US US13/497,931 patent/US8766120B2/en not_active Expired - Fee Related
- 2010-09-24 TW TW099132494A patent/TWI488204B/zh not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS54166590U (ja) * | 1978-05-16 | 1979-11-22 | ||
JPS56100833U (ja) * | 1979-12-29 | 1981-08-08 | ||
JPS56107639U (ja) * | 1980-01-22 | 1981-08-21 | ||
JP2003086401A (ja) * | 2001-06-25 | 2003-03-20 | Hokuriku Electric Ind Co Ltd | 表面実装型電気部品及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI694478B (zh) * | 2018-08-30 | 2020-05-21 | 日商歐姆龍股份有限公司 | 開關及操作裝置 |
Also Published As
Publication number | Publication date |
---|---|
CN102576618A (zh) | 2012-07-11 |
TWI488204B (zh) | 2015-06-11 |
US20130126321A1 (en) | 2013-05-23 |
US8766120B2 (en) | 2014-07-01 |
JP5394870B2 (ja) | 2014-01-22 |
CN102576618B (zh) | 2014-10-08 |
TW201131603A (en) | 2011-09-16 |
JP2011070933A (ja) | 2011-04-07 |
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