JPH0594923U - Piano handle type switch - Google Patents

Abstract

(57) [Abstract] [Purpose] Shorten the operation stroke of the piano handle to improve the feeling of operation. [Composition] The reversing mechanism of the push button switch 5 is configured to have a vertically movable push pin 100, an opening / closing body 24 for reversing and rotating to switch contacts according to the pushing operation of the push pin 100, and a reversing state of the opening / closing body 24. It is composed of a reversing spring 101 to be held. A piano handle 43 for pressing the push pin 100 by a piano touch operation is attached to the push button switch 5. The opening / closing body 1 is operated by pushing the pin 100 to operate the piano handle 43
It is converted into the reverse rotation of 00.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a piano handle type switch whose contacts are switched by a piano touch operation.

[0002]

[Prior Art]

 As a piano handle type switch whose contacts are switched by a piano touch operation, for example, there is one shown in FIG. In this piano handle type switch, a piano handle 43 is mounted on the push button switch 5, and a contact switching mechanism provided inside the push button switch 5 is driven according to the operation of the piano handle 43.

In the case of the piano handle 43, the movable contact 29 fixed to the open / close body 24 is made rotatable by freely rotating the open / close body 24 standing between the fixed contacts 25 a and 25 b arranged opposite to each other. The fixed contacts 25a and 25b are brought into contact with each other and opened to switch the contacts. The outline of the rotating operation of the opening / closing body 24 is as follows. In other words, when the piano handle 43 is operated, the push button 32 is pushed down in response to the operation of the piano handle 43, and the reversing handle 31 is reversed and rotated by the slide cam 33 that descends as the push button 32 descends. The opening / closing body 24 rotates leftward or rightward. The reversing handle 31 and the opening / closing body 24 are connected by a coil spring (not shown).

[0004]

[Problems to be solved by the device]

 As described above, in the piano handle type switch, the operation of the piano handle 43 is controlled by the five-step transmission means such as the piano handle 43, the push button 32, the slide cam 33, the reversing handle 31 and the opening / closing body 24. There is a problem that the operation stroke of the piano handle 43 becomes long due to the fact that it is converted to the inversion operation and there is a gap in each conversion step, and the operation feeling is bad.

The present invention has been made in view of the above problems of the conventional example, and an object thereof is to shorten the operation stroke of the piano handle with a simple structure to improve the operation feeling. There is a piano handle type switch that can be used.

[0006]

[Means for Solving the Problems]

 In order to achieve the above object, a piano handle type switch of the present invention includes a push pin 100 that can be moved up and down, an opening / closing body 24 that rotates in reverse when the push pin 100 is pushed, and switches contacts. The push button switch 5 is constituted by the reversing spring 101 for holding the inverted state of the body 24, and the piano handle 43 for pushing the push pin 100 by the piano touch operation is attached to the push button switch 5.

Further, the opening / closing body 24 pivotally supported at its lower end is provided with the projecting portions 102 projecting on both sides in the rotation direction, and the opening / closing body 24 is provided on one side of the projecting portion 102 on the other side. The first pressed portion 104 that faces the lower end of the push pin 100 that is not pressed by the piano handle 43 while being in contact with the side contact is provided with the opening / closing body 24 on the other side of the overhanging portion 102. It is also preferable to provide a second pressed portion 105 that opposes the lower end of the push pin 100 that is not pressed by the piano handle 43 while being in contact with the contact on one side.

[0008]

[Action]

 Therefore, according to the present invention having the above-described configuration, the push pin 100 that can be moved up and down, the opening and closing body 24 that performs the reversing rotation and the contact switching according to the pushing operation of the pushing pin 100, and the reversing of the opening and closing body 24. By constructing the push button switch 5 with the reversing spring 101 that holds the state and attaching the piano handle 43 that pushes the push pin 100 by the piano touch operation to the push button switch 5, the piano handle 43 → the push pin 100 → the opening / closing body 24 Thus, the operation of the piano handle 43 can be converted into the reversing operation of the opening / closing body 24 by the three-stage transmission means.

The opening / closing body 24 pivotally supported at its lower end is provided with overhanging portions 102 extending on both sides in the turning direction, and the opening / closing body 24 is provided on one side of the overhanging portion 102 on the other side. The first pressed portion 104 that faces the lower end of the push pin 100 that is not pressed by the piano handle 43 while being in contact with the contact on the side is provided with the opening 24 on the other side of the overhang 102. If the second pressed portion 105 that opposes the lower end of the push pin 100 that is not pressed by the piano handle 43 while being in contact with the contact on one side is provided, the push pin 100 has a simple structure. The opening / closing body 24 can be inverted by the operation of.

[0010]

【Example】

 The present invention will be described in detail below based on the embodiments shown in the accompanying drawings. 1 to 9 show an embodiment of the present proposal. As shown in FIG. 1 or 2, the piano handle type switch of the present embodiment has a push button switch 5 whose contact is switched by pushing the push pin 100, and one end portion of the push button switch 5 on the upper surface thereof. The piano handle 43 is rotatably supported and presses the other end to press the push pin 100.

The body of the push button switch 5 is composed of a body 5a made of synthetic resin and a cover 5b, and is formed in a module size of a standardized ready-made embedded wiring device. The cover 5b is provided with a pair of locking claws 11a and 11b on both end surfaces thereof so that the cover 5b can be removably mounted on the mounting frame 2 used for embedding a ready-made wiring device. A space 12 is formed in the back portion of one of the locking claws 11b so that the locking claw 11b is elastically bent backward. Therefore, the push button switch 5 can be detachably attached by locking the locking claws 11a and 11b to the mounting frame 2 for the ready-made wiring device, and the wall surface etc. can be mounted in the same manner as the ready-made embedded wiring device. It can be buried in the construction surface of

Connection terminal accommodating portions 13 and 14 are formed at both ends of the body 5 a of the push button switch 5, and a central accommodating portion 23 is formed between the connection terminal accommodating portions 13 and 14. Here, the common terminal plate 15 and a quick-connect terminal composed of a lock spring (not shown) and a release button are housed in the one connection terminal housing 13. In addition, the other connection terminal accommodating portion 14 has a first connection terminal portion including a terminal plate 18 and a locking spring (not shown), and a second connection terminal portion including a terminal plate 20 and a locking spring (not shown). The first and second connection terminal portions are stored and can be released in common by a release button (not shown).

An extension piece 18a to which a fixed contact 25a is fixed is formed on the terminal plate 18, and the extension piece 18a extends to the side of the central storage portion 23 adjacent to the partition wall 60a. Further, the terminal plate 20 is also formed with a bent piece 20a to which a fixed contact 25b is fixed, and the bent piece 20a faces the extension piece 18a of the terminal board 18 and is stored in the central storage portion 23. It extends to the side.

An opening / closing body 24 made of a conductive plate is rotatably provided between the fixed contacts 25a and 25b. The opening / closing body 24 is erected on a support piece 15a extending from the common terminal plate 15 to the central storage portion 23, and a protrusion 109 provided at the lower end of each end is formed on the inner wall of the central storage portion 23. It fits into the V-shaped recess 27 and is rotatable around the lower portion of the V-shaped recess 27. Then, the movable contacts 29 provided on both upper surfaces of the opening / closing body 24 are brought into contact with and separated from the fixed contacts 25a and 25b in accordance with the rotation, so that the common connection terminal portion and the first or second connection terminal portion are connected to each other. Connect and disconnect.

The opening / closing body 24 is adapted to be held in an inverted position by a reversing spring 101 composed of a tension spring, and one end of the reversing spring 101 composed of a tension spring is attached to the opening / closing body 24 as shown in FIGS. The other end of the mounting / reversing spring 101 is mounted on a mounting portion 109 provided on the common terminal plate 15. Then, when the opening / closing body 24 is rotated rightward as shown in FIG. 1 and the fixed contact 25b is in contact with the movable contact 29, a spring force is applied in the direction in which the movable contact 29 makes elastic contact with the fixed contact 25b. On the contrary, when the opening / closing body 24 is rotated leftward as shown in FIG. 2 and the movable contact 29 is in contact with the fixed contact 25a, the movable contact 29 exerts a spring force in a direction of elastically contacting the fixed contact 25a. It has become.

A push pin 100 is automatically and vertically attached to the cover 5b. That is, the push pin 100 is arranged in the cover 5b, and the upper end portion of the push pin 100 projects from the hole 106 provided in the upper surface portion of the cover 5b, and the spring receiving portion 107 and the push pin 100 provided in the lower portion of the cover 5b. A push pin return spring 109 is interposed between the push pin 100 and the flange 108, and an upward spring force is applied to the push pin 100. In the non-pressed state where no external force is applied to the push pin 100 from above, the push pin 100 The collar 108 abuts around the lower surface side of the hole 106. The hole 106 has a truncated cone shape with a small diameter on the top and a large diameter on the bottom.

Further, as shown in FIG. 9, the opening / closing body 24 is provided with overhanging portions 102 that extend to both sides in the rotation direction of the opening / closing body 24. On one side of the overhanging portion 102, the first pressed object that faces the lower end of the push pin 100 that is not pressed by the piano handle 43 while the movable contact 29 of the opening / closing body 24 is in contact with the fixed contact 25b. The lower end of the push pin 100, which is not pressed by the piano handle 43, is provided with a portion 104 and the movable contact 29 of the opening / closing body 24 is in contact with the fixed contact 25a on the other side of the overhanging portion 102. And a second pressed portion 105 facing each other is provided, and the upper surface of the overhanging portion 102 has an arc shape with a convex central portion.

In the piano handle 43, a pair of turning pieces 43a are vertically provided from the lower surface on the pivotal support side, and a pair of retaining pieces 43b for preventing the push button switch 5 from coming off from the lower surface on the pressing operation end side. It is set up. The rotating piece 43a is engaged with the recess 54 formed in the cover 5b, the retaining piece 43b is inserted into the space 12, and when the pressing operation end side of the retaining piece 43b is pressed, the rotating piece 43a side is opened. It rotates like a piano touch as a fulcrum. Then, by rotating the piano handle 43, the push pin 100 is pressed downward against the spring force of the push pin return spring 109.

Next, the operation of the push button switch 5 will be briefly described with reference to FIGS. 3 to 8. 3 shows a state in which the piano handle 43 is not operated at all, FIG. 5 shows a state in which the pressing operation end of the piano handle 43 is fully pushed, and FIG. 4 shows an operating state in the middle thereof. 6 shows a state in which the pressing operation of the piano handle 43 has been released and the piano handle 43 has returned, FIG. 8 shows a state in which the pressing operation end of the piano handle 43 has been fully pressed again, and FIG. 7 shows FIGS. FIG. 3 shows a state in which the pressing operation of the piano handle 43 is released and the piano handle 43 is restored in the state of FIG. If the piano handle 43 is operated in the state of FIG. 3, the push pin 100 is pushed down against the push pin return spring 109 as the piano handle 43 is operated as shown in FIG. The lower end of the push pin 100 pushes the first pressed portion 104 facing the lower end of the push pin 100. When the first pressed portion 104 is pushed, the opening / closing body 24 goes from the state of FIG. 4 to the state of FIG. 5, and the movable contact 29 comes into contact with the fixed contact 25a. In this case, when the opening / closing body 24 passes through the vertical state as shown in FIG. 4, the spring force applied to the opening / closing body 24 by the reversing spring 101 is reversed, and the movable contact 29 comes into contact with the fixed contact 25a as shown in FIG. In this state, the movable contact 29 acts as a spring force to elastically contact the fixed contact 25a so as to maintain the contact. After this reversal, when the pushing down force of the piano handle 43 is released, the push pin 100 is pushed up by the spring force of the push pin return spring 109, and the piano handle 43 returns to its original state as shown in FIG. . After that, when the piano handle 43 is operated again as shown in FIG. 7, the opening / closing body 24 reversely rotates in the opposite direction to the above case as shown in FIG. 8, whereby the movable contact 29 is fixed. The contacts are switched so as to come into contact with 25b, and when the piano handle 43 is pushed down and the force is released, the state shown in FIG. 3 is restored. In order to switch the contacts by operating the piano handle 43 to invert the opening / closing body 24, in the present invention, the piano handle 43 → push pin 100 → opening / closing body 24 is used by three-stage transmission means. There is.

10 to 19 show another embodiment of the present invention. That is, in the above-described embodiment, an example in which a tension spring is used as the reversing spring 101 is shown, but in this embodiment, a compression spring is used. That is, the reversing handle 31 is rotatably mounted in the case 5b, the lower part of the reversing spring 101 made of a coil spring is locked to the locking portion 24a at the upper edge of the opening / closing body 24, and the reversing spring 31 is 101 is housed in a tubular portion 31a which is projected from below to the reversing handle 31. The reversing handle 31 is rotatably attached by pivoting the inverted triangular shafts 31b provided on both sides to a bearing (not shown) formed on the inner wall of the cover 5b. Therefore, in this embodiment, the compression spring force from above acts on the opening / closing body 24.

Next, the operation of the push button switch 5 of this embodiment will be briefly described with reference to FIGS. 14 to 19. 14 shows a state in which the piano handle 43 is not operated at all, FIG. 16 shows a state in which the pressing operation end of the piano handle 43 is fully pushed, and FIG. 15 shows an operating state in the middle thereof. Shows a state in which the pressing operation of the piano handle 43 is released and the piano handle 43 returns, FIG. 8 shows a state in which the pressing operation end of the piano handle 43 is fully pushed again, and FIG. 18 shows FIG. 17 and FIG. FIG. 14 shows a state where the piano handle 43 is returned by releasing the pressing operation of the piano handle 43 in the state of FIG. As in the embodiment shown in FIGS. 3 to 8, the operation of pressing the piano handle 43 to switch the contacts is performed as shown in the operation sequence of FIGS. The operation of the piano handle 43 is converted into the reversing operation of the opening / closing body 24 by three-stage transmission means such as 100 → opening / closing body 24 to switch contacts. In this case, the lower end of the reversing spring 101 moves as the opening / closing body 24 reverses, but the reversing handle 31 rotates with the shaft 31b as the center, and therefore the reversing spring 101 moves relative to the opening / closing body 24. The pressure spring direction can be switched.

[0022]

[Effect of the device]

 As described above, the present invention includes a push button that includes a vertically movable push pin, an opening / closing body that turns and switches contacts when the push pin is pushed in, and a reaction spring that holds the inverted state of the opening and closing body. By constructing a switch and attaching a Piano handle that pushes the push pin with a piano touch operation to the push button switch, the operation of the piano handle is opened and closed by three-stage transmission means, such as piano handle → push pin → open / close body. It can be converted into the reversing operation of the above, and the operation feeling of the piano hand can be improved by shortening the operation stroke of the piano hand compared to the conventional five-stage transmission means.

Further, the opening / closing body whose lower end portion is rotatably supported is provided with protrusions protruding on both sides in the rotation direction, and the opening / closing body serves as a contact on the other side on one side of the protrusion. The first pressed part facing the lower end of the push pin that is not pressed by the piano handle in the contacting state is provided, and the opening / closing body contacts the contact on one side on the other side of the overhanging part. With the configuration in which the second pressed portion that opposes the lower end of the push pin that is not pressed by the piano handle in the state of being provided is provided, the opening / closing body can be inverted by the operation of the push pin with a simple structure. is there.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing a state where a movable contact is in contact with one fixed contact in a piano handle switch according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view showing a state where a movable contact is in contact with the other fixed contact in the piano handle switch of the above.

FIG. 3 is a view for explaining the operation sequence of the above.

FIG. 4 is a view for explaining the operation sequence of the above.

FIG. 5 is a view for explaining the operation sequence of the above.

FIG. 6 is a view for explaining the operation sequence of the above.

FIG. 7 is a view for explaining the operation sequence of the above.

FIG. 8 is a view for explaining the operation sequence of the above.

FIG. 9 is a perspective view showing an example of the above-mentioned opening / closing body.

FIG. 10 is a cross-sectional view showing a state where a movable contact is in contact with one fixed contact in a piano handle switch according to another embodiment of the present invention.

FIG. 11 is a cross-sectional view showing a state where the movable contact is in contact with the other fixed contact in the piano handle switch of the above.

FIG. 12 is a plan view of a body portion of the above.

FIG. 13 is a sectional view of the above.

FIG. 14 is a view for explaining the operation sequence of the above.

FIG. 15 is a view for explaining the operation sequence of the above.

FIG. 16 is a view for explaining the operation sequence of the above.

FIG. 17 is a view for explaining the operation sequence of the above.

FIG. 18 is a view for explaining the operation sequence of the above.

FIG. 19 is a view for explaining the operation sequence of the above.

20 is an enlarged view of an essential part of FIG. 12 above.

FIG. 21 is a sectional view of a conventional example.

[Explanation of symbols]

 5 push button switch 43 piano handle 100 push pin 100 101 reversing spring 102 overhanging portion 104 first pressed portion 105 second pressed portion

Claims (2)

[Scope of utility model registration request] 1. A push button switch is composed of a vertically movable push pin, an opening / closing body for performing contact rotation by reversing rotation with the pushing operation of the push pin, and an inversion spring for holding the inversion state of the opening / closing body. , A piano handle-type switch in which a piano handle that pushes a push pin by a piano touch operation is attached to a push button switch. 2. An opening / closing body whose lower end is rotatably supported is provided with overhanging portions projecting on both sides in the direction of rotation, and the opening / closing body serves as a contact on the other side on one side of the overhanging portion. A state in which a first pressed portion facing the lower end of the push pin that is not pressed by the piano handle in a contacting state is provided, and the opening / closing body is in contact with the contact on one side on the other side of the overhanging portion. 2. The piano handle type switch according to claim 1, further comprising a second pressed portion facing the lower end of the push pin not pressed by the piano handle.