JP7336700B2 - switch device - Google Patents

Description

TECHNICAL FIELD The present disclosure relates to a switch device, and more particularly to a switch device having a seesaw-type operating handle.

The switch (switch device) described in Patent Document 1 includes a body in which a contact device is housed, a reversing handle that is swingably supported by the body and opens and closes the contact device, and a front surface of the reversing handle. with an operating handle. In this switch, since the operating handle is connected to the reversing handle, it swings integrally with the reversing handle.

Japanese Patent Application Laid-Open No. 2003-151402

In the switch disclosed in Patent Document 1, since the operating handle is coupled to the reversing handle, it was not possible to independently adjust the operations (for example, rotation angle and rotation speed) of the operating handle and the reversing handle.

The present disclosure has been made in view of the above problems, and an object thereof is to provide a switch device capable of independently adjusting the operations of the operating handle and the reversing handle.

A switch device according to one aspect of the present disclosure includes an operating handle, a reversing handle, and a conversion spring. The operation handle performs a seesaw operation about the first rotation axis by an operator's operation. The reversing handle operates around a second rotating shaft different from the first rotating shaft according to the operation of the operating handle, thereby controlling opening and closing of a predetermined open/close contact. The conversion spring is arranged between the operating handle and the reversing handle to transmit the operation of the operating handle to the reversing handle. The first rotating shaft and the second rotating shaft are displaced from each other in a direction orthogonal to the second rotating shaft when viewed from the front of the operating handle.
A switch device according to one aspect of the present disclosure includes an operating handle, a reversing handle, and a conversion spring. The operation handle performs a seesaw operation about the first rotation axis by an operator's operation. The reversing handle operates around a second rotating shaft different from the first rotating shaft according to the operation of the operating handle, thereby controlling opening and closing of a predetermined open/close contact. The conversion spring is arranged between the operating handle and the reversing handle to transmit the operation of the operating handle to the reversing handle. The conversion spring is fixed to one of the operating handle and the reversing handle and elastically contacts the other handle. The other handle has a first contact portion and a second contact portion. The first contact portion and the second contact portion are provided on both sides of the rotating shaft of the other handle on the surface facing the one handle, and are in elastic contact with the conversion spring. The first contact portion and the second contact portion protrude from the facing surface. An undulating shape of each of the first contact portion and the second contact portion is different from each other.
A switch device according to one aspect of the present disclosure includes an operating handle, a reversing handle, and a conversion spring. The operation handle performs a seesaw operation about the first rotation axis by an operator's operation. The reversing handle operates around a second rotating shaft different from the first rotating shaft according to the operation of the operating handle, thereby controlling opening and closing of a predetermined open/close contact. The conversion spring is arranged between the operating handle and the reversing handle to transmit the operation of the operating handle to the reversing handle. The conversion spring is fixed to one of the operating handle and the reversing handle and elastically contacts the other handle. The conversion spring has a base portion, a fixed piece, a first elastic piece and a second elastic piece. The fixing piece is provided on the substrate portion and fixed to the one handle. The first elastic piece and the second elastic piece protrude from both sides of the base plate toward the other handle, and elastically contact positions on both sides of the rotation shaft of the other handle in the other handle. .

The switch device according to the present disclosure has the effect of being able to independently adjust the actions of the operating handle and the reversing handle.

It is the perspective view which looked at the switch apparatus which concerns on embodiment from the front side. It is the perspective view which looked at the switch apparatus same as the above from the back side. 2 is a cross-sectional view taken along line A1-A1 of FIG. 1; FIG. 2 is a cross-sectional view taken along line A2-A2 of FIG. 1; FIG. Fig. 3 is an exploded perspective view showing the same switch device; It is an exploded perspective view showing a part of switch apparatus same as the above. It is a perspective view which shows the cover of a switch apparatus same as the above. It is the perspective view which looked at the operating handle of the switch apparatus same as the above from the back side. Fig. 10 is a perspective view showing a reversing handle of the switch device; It is a perspective view which shows the conversion spring of a switch apparatus same as the above. It is a perspective view which shows the light guide member of a switch apparatus same as the above. FIG. 3 is a perspective view showing a prism of the same switch device; FIG. 4 is a side view showing how light propagates in the same prism. FIG. 4 is a side view showing another way of light propagation within the same prism.

(Embodiment 1)
A switch device 1 of the present embodiment will be described with reference to FIGS. 1 to 14. FIG. In the following description, unless otherwise specified, the up/down, left/right, and front/rear directions of the switch device 1 are defined using the up/down, left/right, and front/rear arrows shown in FIG. These arrows are merely described for the purpose of assisting the explanation and are not substantial. Moreover, the definition of the direction described above is not meant to limit the mode of use of the switch device 1 of the present embodiment.

The switch device 1 of the present embodiment is a seesaw type (also referred to as a tumbler type or rocker type) operation switch device for switching the operating state of a load to be operated. The switch device 1 can be applied, for example, as a switch device that is attached to an indoor wall surface and switches between lighting and extinguishing of a lighting fixture (load) installed indoors.

As shown in FIGS. 1 and 2, the switch device 1 has a housing 2 housing circuit components including switching contacts. A seesaw-type operation handle 3 is provided on the front surface 22j of the body 2. As shown in FIG. A pair of translucent windows 31L, 31R are provided on both sides of the operation handle 3 in the operation portions 3L, 3R (more specifically, for example, both ends 31e, 31f). A rear surface 21b of the housing 2 is provided with a plurality of (for example, four) wiring holes 22k into which wiring from the outside is inserted. By inserting the wiring from the outside into the wiring hole 22k, the wiring is electrically connected to the circuit parts inside the housing 2. As shown in FIG.

The switch device 1 performs a seesaw operation in which when one of the operation portions 3L and 3R on both sides of the operation handle 3 is pushed down, the other is lifted. By alternately pressing the operating portions 3L and 3R on both sides of the operating handle 3, the open/close contacts in the body 2 are alternately opened and closed. At this time, in the switch device 1, only the translucent window provided on the raised one of the operation portions 3L and 3R on both sides of the operating handle 3 among the pair of translucent windows 31L and 31R emits light.

More specifically, the switch device 1 has a position display function and a pilot function. In the position display function, regardless of the operation state (operation or stop) of the load to be operated, the position is displayed on the raised one of the operation portions 3L and 3R on both sides of the operation handle 3 among the pair of translucent windows 31L and 31R. Only the translucent windows provided emit light. In the pilot function, one of the pair of translucent windows 31L and 31R, which is the raised one of the operating portions 3L and 3R on both sides of the operating handle 3, is provided according to the operating state of the load to be operated. only emits light. For example, in the pilot function, when the load is stopped, the pair of translucent windows 31L and 31R do not emit light, and when the load is in operation, one of the pair of translucent windows 31L and 31R, which is the operating handle 3, does not emit light. Only the translucent window on the raised side of the operation sections 3L and 3R on both sides emits light.

In this embodiment, each of the pair of translucent windows 31L and 31R can selectively emit light of two different colors (for example, red light and white light). For example, the pilot mechanism emits red light and the position indicating function emits white light.

(detailed explanation)
As shown in FIGS. 5 to 13, the switch device 1 includes a contact device 4, a light source unit 5, a reversing handle 6, a reversing spring 7, a conversion spring 8, a light guiding device, in addition to the body 2 and the operating handle 3 described above. A member 9 , a pair of light shielding portions 10 L and 10 R (see FIG. 8), and a prism 11 are provided.

The housing 2 is an outer shell that houses the components of the switch device 1 (the operation handle 3, the contact device 4, the light source unit 5, the reversing handle 6, the reversing spring 7, the conversion spring 8, the light guide member 9, and the prism 11). be. The container body 2 has a rectangular box-shaped synthetic resin body 21 with an open front surface, and a synthetic resin cover 22 formed in a rectangular frame shape having an opening 22c and joined to the front side of the body 21. and

The body 21 has a plurality (for example, four) assembly protrusions 21a (see FIG. 6). The plurality of assembly protrusions 21a are provided on both outer side surfaces of the body 21 in the short direction (up and down direction) so as to be spaced apart in the longitudinal direction of the body 21 . An assembly tongue 22a extends rearward from the rear edge of the cover 22 (see FIG. 7). The body 21 and the cover 22 are joined together by fitting the assembly hole 22b provided in the assembly tongue 22a and the assembly projection 21a (see FIG. 1).

The opening 22c of the cover 22 has a first opening 22d and a second opening 22e, as shown in FIG. The first opening 22d is an opening in which the reversing handle 6 is arranged, and has a rectangular shape, for example. The first opening 22d is provided at a position shifted from the center of the cover 22 in the longitudinal direction to one side (for example, the right side) in the longitudinal direction of the cover 22 . The second opening 22c is an opening in which the prism 11 is arranged, and is a rectangular opening smaller than the first opening 22d. The second opening 22c is provided on the left side of the first opening 22d (that is, on the side opposite to the direction in which the first opening 22d is shifted). The first opening 22d and the second opening 22c are connected to each other to form one opening 22c.

The cover 22 has a pair of bearing protrusions 22f, a pair of bearing recesses 22h, and a pair of fitting recesses 22i.

The pair of bearing projecting pieces 22f protrude forward from the center in the longitudinal direction (horizontal direction) of the front surface 22j of the cover 22 at both side edges in the lateral direction (vertical direction). A bearing hole 22g into which a pair of shaft projections 32 (to be described later) of the operating handle 3 is inserted is formed in each facing surface of the pair of bearing projections 22f. That is, the pair of bearing holes 22g are arranged in the center of the cover 22 in the longitudinal direction and penetrate vertically. Each of the pair of bearing holes 22g is a substantially pentagonal hole having a triangular front portion and a rectangular rear portion.

The pair of bearing recesses 22h are portions into which a pair of shaft projections 32 of the reversing handle 6, which will be described later, are inserted. The pair of bearing recesses 22h are provided in a concave shape at the center of the inner surface of the first opening 22d of the cover 22 on both sides in the short direction. Each of the pair of bearing recesses 22h is, for example, a substantially triangular recess when viewed from the front in the vertical direction.

The pair of fitting recesses 22i is a portion where a pair of fitting protrusions 16, which will be described later, of the prism 11 are fitted. The pair of fitting recesses 22i are provided in a concave shape on both sides of the second opening 22e in the lateral direction. Each of the pair of fitting recesses 22i is, for example, a rectangular recess when viewed from the front in the vertical direction.

The body 21 accommodates the contact device 4 and the light source unit 5 (see FIG. 6).

The contact device 4 includes an open/close contact for switching the operating state (activation and stop) of the load to be operated, and an external connection terminal for connecting with wiring from the outside. The contact device 4 includes terminal plates 41 to 43, a support plate 44, a switch 45, and a locking spring 46, as shown in FIG.

Each of the terminal plates 41 to 43 is a portion electrically connected to an external wiring. The terminal plates 41 and 42 are housed at one end (for example, left end) of the body 21 in the longitudinal direction (horizontal direction). The terminal plate 43 is housed at the other longitudinal end (for example, the right end) of the body 21 . The terminal plates 41 and 42 are provided with fixed contacts 41a and 42b. A switch 45 is arranged between the fixed contacts 41a and 42b. Each of the terminal plates 41 and 42 accommodates one locking spring 46 , and the terminal plate 43 accommodates two locking springs 46 .

The support plate 44 is arranged in the center of the bottom surface of the body 21 and electrically connected to the terminal plate 43 . The opening/closing member 45 is housed in the center of the body 21 in the longitudinal direction. The lower end of the switch 45 is in contact with the support plate 44 . The opening/closing member 45 can swing on the support plate 44 with its lower end as a fulcrum.

The switch 45 is, for example, plate-shaped. The opening/closing member 45 has a front end portion provided with a groove 45c into which a peripheral edge of a cylindrical portion 62 of the reversing handle 6 (to be described later) fits. The switch 45 has movable contacts 45a and 45b (see FIG. 3) on both main surfaces, respectively. The movable contact 45a and the fixed contact 41a constitute one switching contact, and the movable contact 45b and the fixed contact 41b constitute one switching contact. By swinging the switch 45, the closed state and open state of the two switching contacts are alternately switched. These two switching contacts constitute the switching contact.

A switch device in which two open/close contacts are alternately switched by a common switch 45 is called a three-way switch. This 3-way switch is provided, for example, on the upper and lower floors of the stairs, and can be used as a switching device for switching between lighting and extinguishing of common lighting fixtures that illuminate the stairs. Although the switch device 1 is a three-way switch in this embodiment, it is not limited to a three-way switch.

Wire insertion holes 22k (see FIG. 2) are provided in the rear wall of the body 21 at portions corresponding to the four locking springs 46, respectively. By inserting the electric wire into the body 21 through the electric wire insertion hole 22k, the tip of the electric wire is sandwiched between the locking spring 46 and the terminal plates 41, 42, 43. As shown in FIG. As a result, the ends of the electric wires are electrically connected to the terminal plates 41-43. These terminal plates 41 to 43 constitute the external connection terminals.

As shown in FIG. 6, the light source unit 5 includes a circuit board 52 and two light sources 51a (first light source) and 51b (second light source).

The two light sources 51a and 51b are light sources that emit light emitted from the pair of translucent windows 31L and 31R. The two light sources 51a and 51b emit lights of different light colors (for example, red light and white light). The light source 51a is a light source for a position display function, and emits white light, for example. The light source 51b is a light source for a pilot function, and emits red light, for example. The two light sources 51a and 51b are, for example, LEDs (Light Emitting Diodes). The two light sources 51 a and 51 b are provided on the front surface of the circuit board 52 so as to be aligned in the longitudinal direction (horizontal direction) of the body 21 .

The light source 51a is always lit regardless of the energization or non-energization of the open/close contacts in the contact device 4 (that is, regardless of whether the load to be operated is activated or stopped). The light source 51b is switched between lighting and extinguishing according to the energization and non-energization of the open/close contacts in the contact device 4 (that is, according to the operation and stop of the load to be operated). Specifically, the light source 51b is extinguished when the open/close contacts in the closed state are energized (i.e., when the load is operating), and when the open/closed contacts in the closed state are not energized (i.e., When the load is stopped), it is illuminated.

The light source unit 5 is housed above the terminal plates 41 and 42 at one end (for example, the left end) in the longitudinal direction (horizontal direction) inside the body 21 . That is, the two light sources 51a and 51b are accommodated at one longitudinal end (left end) of the body 21 and arranged in the longitudinal direction of the body 21 .

The reversing handle 6, as shown in FIG. The reversing handle 6 has a reversing handle main body 61 and a cylindrical portion 62 .

The reversing handle body 61 has a bottom portion 61a, two side wall portions 61b, a plurality of (for example, four) fitting projections 61c, and a pair of axial projections 61d. The bottom portion 61a has a rectangular plate shape. Each of the two side wall portions 61b has a rectangular plate shape. The two side wall portions 61b protrude forward from both upper and lower edges of the bottom portion 61a. The four fitting projections 61c are projections for fixing the conversion spring 8. As shown in FIG. Each of the four fitting protrusions 61c is, for example, cylindrical. Two of the four fitting projections 61c are provided on each of the two side wall portions 61b. The two fitting protrusions 61c provided on each side wall portion 61b are arranged side by side in the longitudinal direction (horizontal direction) of the front surface of the side wall portion 61b. The pair of shaft projections 61d are portions supported by the pair of bearing recesses 22h of the cover 22 so as to be able to swing. Each of the pair of shaft protrusions 61d is, for example, in the shape of a triangular prism with a front end forming an apex. The pair of shaft projections 61d are provided so as to protrude from the outer surface of each of the pair of side wall portions 61b.

The cylindrical portion 62 is a portion that accommodates the reversing spring 7 . The cylindrical portion 62 is provided so as to protrude rearward from the rear surface of the reversing handle body 61 (that is, the rear surface of the bottom portion 61a). The rear peripheral edge of the cylindrical portion 62 is caught in the groove 45c (see FIG. 6) at the front end portion of the switch 45. As shown in FIG. In this state, the reversing spring 7 made of a coil spring is held between the cylindrical portion 62 and the switch 45 .

The reversing handle 6 is arranged inside the first opening 22d of the cover 22 (see FIG. 4). In this state, the pair of shaft protrusions 61 d of the reversing handle 6 are inserted into the pair of bearing recesses 22 h of the cover 22 . As a result, the reversing handle 6 can swing with respect to the cover 22 with the front ends of the pair of shaft projections 61d serving as fulcrums. That is, the reversing handle 6 can swing (that is, can seesaw) around a rotation axis (second rotation axis) L2 passing through the front ends of the pair of shaft projections 61d. By swinging the reversing handle 6, the direction of the spring force acting on the switching element 45 from the reversing spring 7 is reversed, and one of the movable contacts 45a, 45b becomes the fixed contact 41a, 45b corresponding to the movable contact 45a, 45b. 42b. That is, the terminal plate 43 electrically connected to the switch 45 is alternatively connected to either one of the two terminal plates 41 and 42 .

The operating handle 3 is a part that receives an operator's operation. The operating handle 3 has a shallow box shape with an open rear surface. The operating handle 3 has an operating handle body 31, a pair of shaft projections 32, four contact portions 33, and a fixed projection 34, as shown in FIG. The operating handle body 31 has a main wall portion 31a and a peripheral wall portion 31b. The main wall portion 31a has a rectangular plate shape. The main wall portion 31a is curved in a substantially V shape along the center line L3 (see FIG. 5). Thereby, the portions on both sides of the center line L3 in the main wall portion 31a are inclined so as to protrude forward. The center line L3 extends in the lateral direction (vertical direction) of the main wall portion 31a at the center in the longitudinal direction (lateral direction) of the main wall portion 31a. The peripheral wall portion 31b rises from the entire outer peripheral edge of the main wall portion 31a to the rear of the main wall portion 31a. The peripheral wall portion 31b is formed by integrally connecting an upper wall portion 31c, a lower wall portion 31d, a left wall portion 31e, and a right wall portion 31f in an annular shape. The upper wall portion 31c and the lower wall portion 31d are bent in a substantially V shape according to the substantially V-shaped bend of the main wall portion 31a.

The operating handle body 31 has a pair of translucent windows 31L and 31R. A pair of translucent windows 31L and 31R are portions for emitting light from the light sources 51a and 51b. The pair of translucent windows 31L and 31R emit light by emitting light from the light sources 51a and 51b. A pair of translucent windows 31L and 31R are provided in the operation portions 3L and 3R on both sides of the operation handle body 31 so as to pass through the operation handle body 31 from inside to outside. The operating portions 3L and 3R on both sides of the operating handle body 31 are left and right portions of the operating handle body 31 divided by the center line L2. More specifically, the pair of translucent windows 31L and 31R are provided at both left and right end portions (that is, left wall portion 31e and right wall portion 31f) of the operating handle body 31. As shown in FIG. The operation portions 3L and 3R on both sides of the operation handle main body 31 constitute the operation portions 3L and 3R on both sides of the operation handle 3, respectively.

The pair of shaft projections 32 are portions supported by the pair of bearing holes 22 g of the cover 22 . The pair of shaft projections 32 are provided so as to protrude from the upper and lower inner side surfaces of the operating handle body 31 (that is, the inner side surfaces of each of the upper wall portion 31c and the lower wall portion 31d). A pair of shaft projections 32 are provided at the center of the rear edge of the upper and lower inner surfaces of the operating handle body 31 . Each of the pair of shaft protrusions 32 has a substantially triangular shape with the front end serving as the vertex.

When the pair of shaft projections 32 are inserted into the pair of bearing holes 22g of the cover 22, the operating handle 3 can swing with respect to the cover 22 with the front ends of the shaft projections 32 as fulcrums (that is, can perform a seesaw operation). . In other words, the operating handle 3 can swing about the rotation axis L<b>1 (first rotation axis) passing through the front ends of the pair of shaft projections 32 (that is, can seesaw). The rotation axes L1 and L2 extend in the vertical direction and are parallel to each other but do not coincide with each other. When the operating handle 3 is swingably supported by the cover 22, the operating handle 3 is arranged in the center of the front surface of the cover 22 so as to cover the entire opening 22c of the cover 22 (see FIG. 1). In this state, the operating handle 3 is arranged in front of the reversing handle 6 .

The four contact portions 33 are portions with which the conversion springs 88 come into contact. The four contact portions 33 are provided so as to protrude rearward from the back surface of the operating handle body 31 (that is, the back surface of the main wall portion 31a). The back surface of the operating handle main body 31 is the surface facing the reversing handle 6 . The four contact portions 33 extend along the longitudinal direction (horizontal direction) of the operating handle body 31 . A distal end portion of each contact portion 33 in the projecting direction (hereinafter also simply referred to as “a distal end portion of the contact portion 33 ”) contacts the conversion spring 88 . The four contact portions 33 are provided, for example, near four corners on the back surface of the operating handle body 31 . Of the four contact portions 33, two upper left and right contact portions 33a and 33b constitute a pair of contact portions, and two lower left and right contact portions 33a and 33b constitute a pair of contact portions.

Of the four contact portions 33, the left contact portion 33a (first contact portion) and the right contact portion 33b (second contact portion) have different undulating shapes. The left contact portion 33 a and the right contact portion 33 b are provided on both left and right sides of the rotation axis L<b>1 of the operating handle 3 . The undulating shape is the shape of the tip of the contact portion 33 (that is, the end on the conversion spring 88 side) when the contact portion 33 is viewed from the side. In this embodiment, the tip of the left contact portion 33a is, for example, substantially linearly inclined (undulated) along the longitudinal direction of the contact portion 33a, and the left side is farther from the rear surface of the operation handle body 31. . The tip of the right contact portion 33b is, for example, inclined (undulated) in a curved shape (for example, a substantially parabolic shape) along the longitudinal direction of the contact portion 33b. there is

The fixed projection 34 is a portion to which the light guide member 9 is fixed. The fixing protrusion 34 is provided so as to protrude from the center of the back surface of the operation handle main body 31 .

A pair of light shielding portions 10L and 10R (light transmission control mechanism) are portions for blocking light emitted from the prism 11 to a pair of light transmission windows 31L and 31R according to the operation state of the operation handle 3. FIG. A pair of light shielding portions 10L and 10R correspond to a pair of translucent windows 31L and 31R, and shield light emitted from the prism 11 to the corresponding translucent windows 31L and 31R. A pair of light shielding portions 10L and 10R are provided so as to protrude from the back surface of the operation handle main body 31. As shown in FIG. The pair of light shielding portions 10L and 10R are arranged on both sides of the center of the operation handle main body 31 in the longitudinal direction (horizontal direction) on the rear surface of the operation handle body 31 . The pair of light blocking portions 10L and 10R extends in the lateral direction (vertical direction) on the rear surface of the operating handle body 31. As shown in FIG.

The conversion spring 8 is a component that transmits the motion of the operating handle 3 to the reversing handle 6 . The conversion spring 8 is arranged between the operating handle 3 and the reversing handle 6, is fixed to the reversing handle 6, and elastically contacts the operating handle 3 (see FIG. 3).

The conversion spring 8 has a pair of spring bodies 81 and a pair of connecting pieces 82, as shown in FIG. The pair of spring bodies 81 each extend in the left-right direction and are arranged vertically side by side. The left ends of the pair of spring bodies 81 are connected by one connecting piece 82 , and the right ends of the pair of spring bodies 81 are connected by the other connecting piece 82 . The pair of spring bodies 81 are formed in mirror image symmetry (that is, vertically symmetrical). The pair of spring bodies 81 correspond one-to-one with the two side wall portions 61b of the reversing handle 6, and correspond one-to-one with the two pairs of upper and lower contact portions 33 of the operating handle 3. As shown in FIG.

Each of the pair of spring bodies 81 has a substrate portion 81a, a fixing piece 81b, a positioning piece 81c, and a pair of elastic pieces 81d and 81e (first elastic piece and second elastic piece). That is, the conversion spring 8 has a pair of substrate portions 81a, a pair of fixed pieces 81b, a pair of positioning pieces 81c, and two pairs of elastic pieces 81d.

The substrate portion 81a has a flat plate shape extending in the left-right direction. The fixed piece 81b protrudes outward in the width direction from one end (for example, one end facing the other spring body 81) in the width direction (vertical direction) of the substrate portion 81a. The fixed piece 81b has a through hole 8f penetrating in the thickness direction (front-rear direction). One of the pair of fitting projections 61c of the corresponding side wall portion 61b of the reversing handle 6 is fitted into the through hole 8f. The positioning piece 81c is a portion that contacts the side surface (for example, the outer surface) of the corresponding side wall portion 61b of the reversing handle 6. As shown in FIG. The positioning piece 81c protrudes rearward from one end of the substrate portion 81a in the width direction (for example, one end facing the other spring body 81). In this embodiment, the positioning piece 81c protrudes rearward from both left and right sides of the fixed piece 81b, and the two protruding portions extend in the left-right direction and are connected to each other.

The pair of elastic pieces 81 d and 81 e are portions that come into contact with the corresponding pair of contact portions 33 a and 33 b of the operating handle 3 . The pair of elastic pieces 81d and 81e extend in the longitudinal direction (left-right direction) from both ends of the substrate portion 81a in the longitudinal direction (left-right direction) and are bent in, for example, an inverted V shape so as to protrude forward. The left ends of the left elastic pieces 81d of the pair of spring bodies 81 are connected by one connecting piece 82, and the right ends of the right elastic pieces 81e of the pair of spring bodies 81 are connected by the other connecting piece 82. there is The pair of connecting pieces 82 are belt-shaped and extend vertically.

When the conversion spring 8 is fixed to the reversing handle 6 (see FIG. 3), the pair of positioning pieces 81c contact the outer surfaces of the two side walls 61b of the reversing handle 6. As shown in FIG. Also, the through holes 81f of the pair of fixing pieces 81b are fitted to one (for example, left) fitting projection of the pair of fitting projections 61c of each of the two side wall portions 61b. Due to the contact and fitting described above, the relative position of the conversion spring 8 to the reversing handle 6 in the vertical and horizontal directions is fixed. A pair of elastic pieces 81 d and 81 e are positioned on both left and right sides of the rotation axis L 2 of the reversing handle 6 .

In addition, in the present embodiment, the reversing handle 6 is arranged slightly to the right with respect to the operating handle 3 . Therefore, the conversion spring 8 is fitted to the left fitting projection 61c of the two right and left fitting projections 61c in order to offset the bias. As a result, the conversion spring 8 is fixed to the reversing handle 6 with a slight left bias.

When the conversion spring 8 is fixed to the reversing handle 6, the four elastic pieces 81d and 81e elastically contact the four contact portions 33a and 33b of the operating handle 3 (see FIG. 3). More specifically, the pair of left and right elastic pieces 81 d and 81 e of the upper spring body 81 elastically contact the pair of left and right contact portions 33 a and 33 b on the upper side of the operating handle 3 . The pair of left and right elastic pieces 81 d and 81 e of the lower spring body 81 elastically contact the pair of left and right contact portions 33 a and 33 b on the lower side of the operating handle 3 .

The light guide member 9 is a member that guides the light emitted from the prism 11 to the pair of translucent windows 31L and 31R to the pair of translucent windows 31L and 31R. The light guide member 9 is fixed to the back surface of the operating handle 3 (see FIG. 4). The light guide member 9 has a pair of prisms 91L and 91R (a light transmission control mechanism, a pair of second prisms), a pair of connecting portions 92, and a fixed piece 93, as shown in FIG. The light guide member 9 is integrally formed of a translucent resin member (for example, polycarbonate resin or acrylic resin).

The pair of prisms 91L and 91R are portions that guide the light emitted from the prism 11 to the pair of translucent windows 31L and 31R to the pair of translucent windows 31L and 31R. The pair of prisms 91L and 91R correspond to the pair of translucent windows 31L and 31R one-to-one. Each of the pair of prisms 91L and 91R has a fitting portion 91a and a prism body 91b. The fitting portion 91a is a portion that fits into the corresponding translucent windows 31L and 31R, and has a planar shape (for example, a rectangular shape) that is substantially the same shape and size as the opposing translucent windows 31L and 31R. The prism main body 91b has a substantially trapezoidal flat plate shape in plan view from the front-rear direction. The prism body 91b has a narrow end face 91c with a relatively narrow vertical width and a wide end face 91d with a relatively wide vertical width. The prism body 91b gradually widens from the narrow end surface 91c toward the wide end surface 91d. A wide end surface 91d of the prism body 91b is connected to the inner main surface of the fitting portion 91a. In the prisms 91L and 91R, the narrow end surface 91c of the prism body 91b serves as the entrance surface 95, and the outer main surface of the fitting portion 91a serves as the exit surface 96. As shown in FIG. The entrance surface 95 is a surface for introducing external light into the prisms 91L and 91R, and the exit surface 96 is a surface for exiting the light propagating inside the prisms 91L and 91R. Hereinafter, the incident surface 95 and the exit surface 96 of the left prism 91L may be referred to as an incident surface 95L and an exit surface 96L, respectively. The incident surface 95 and the exit surface 96 of the right prism 91R may be referred to as an incident surface 95R and an exit surface 96R, respectively.

Both ends in the longitudinal direction (vertical direction) of the fitting portion 91a protrude from both sides in the lateral width direction (vertical direction) of the prism body 91b. The upper ends of the fitting portions 91a of the prisms 91L and 91R are connected to each other through one connecting portion 92, and the lower ends of the fitting portions 91a of the prisms 91L and 91R connect to the other connecting portion 92. connected to each other through In this state, the incident surfaces 95L and 95R of the pair of prisms 91L and 91R face inward in the facing direction (horizontal direction) of the pair of prisms 91L and 91R. The output surfaces 96L and 96R of the pair of prisms 91L and 91R face outward in the facing direction of the pair of prisms 91L and 91R. Each of the prisms 91L and 91R has an entrance surface 95 located behind an exit surface 96. As shown in FIG. In other words, each of the prisms 91L and 91R is inclined with respect to the longitudinal direction of the connecting portion 92 so that the incident surface 95 protrudes rearward from the connecting portion 92 .

The fixed piece 93 has a substantially bar shape and is provided so as to straddle the respective central portions of the pair of connecting portions 92 . The fixed piece 93 has a fitting hole 93a. The fitting hole 93a is a hole into which the fixing projection 34 of the operating handle 3 is fitted.

The light guide member 9 is fixed to the back surface of the operating handle 3 so as to be accommodated inside the operating handle 3 . In this fixed state, as shown in FIG. 4, the pair of fitting portions 91a are fitted to the pair of translucent windows 31L and 31R. Also, the fixing piece 93 contacts the back surface of the operating handle 3 , and the fixing projection 34 of the operating handle 3 fits into the fitting hole 93 a of the fixing piece 93 . Thereby, the light guide member 9 is fixed to the back surface of the operation handle 3 . In this fixed state, the incident surfaces 95L and 95R of the pair of prisms 91L and 91R face each other at the center of the back surface of the operation handle 3 with a space therebetween in the longitudinal direction (horizontal direction) of the operation handle 3. are placed. Incident surfaces 95L and 95R of the pair of prisms 91L and 91R are arranged adjacent (rear side) to the tips of the pair of light blocking portions 10L and 10R. The light guide member 9 is fixed to the operation handle 3 so as to operate integrally with the operation handle 3 .

The prism 11 (first prism) is a member that splits the light from the light sources 51a and 51b into two and emits the split light toward the pair of translucent windows 31L and 31R. The prism 11 has a prism body 12 and two branch paths 13 and 14, as shown in FIG. Also, the prism 11 has two entrance surfaces 11a (first entrance surface) and 11b (second entrance surface), and two exit surfaces 11L and 11R.

The prism main body 12 receives the light from the light sources 51a and 51b and guides the incident light to the two branch paths 13 and 14 . The prism body 12 has a first light guide section 121 and a second light guide section 122 . The two incident surfaces 11 a and 11 b are formed on one end surface of the first light guide section 121 . The incident surface 11b is arranged on the right side of the incident surface 11a (next to the side where the second light guide section 122 extends). The first light guide portion 121 extends obliquely (for example, obliquely forward to the right) with respect to the optical axes L4 and L5 of the incident surfaces 11a and 11b. The optical axes L4 and L5 of the incident surfaces 11a and 11b are in the same direction, for example, in the front-rear direction. The second light guide portion 122 extends from one end (for example, the right end) of the first light guide portion 121 in a direction orthogonal (horizontal direction) to the optical axes L4 and L5 of the incident surfaces 11a and 11b. The two branch paths 13 and 14 extend from one end of the second light guide section 122 (that is, the end opposite to the first light guide section 121, for example, the right end) toward the incident surfaces 11a and 11b (rear side). side) and protrudes to the opposite side (front side). In this embodiment, the optical axes L4 and L5 of the entrance surfaces 11a and 11b coincide with the optical axes of the light sources (light sources 51a and 51b in this embodiment) that make light incident on the entrance surfaces 11a and 11b. Hereinafter, the optical axes L4 and L5 are also referred to as optical axes of the light sources 51a and 51b.

The first light guide section 121 has a left side surface 121a (first reflecting surface) and a right side surface 121b (second reflecting surface). The left side surface 121a and the right side surface 121b are side surfaces adjacent to both sides of the one end surface provided with the incident surfaces 11a and 11b. The left side surface 121a is inclined 45 degrees to the right with respect to the optical axes L4 and L5 of the incident surfaces 11a and 11b, and overlaps the one end surface in the direction of the optical axes L4 and L5. The right side surface 121b is parallel to the left side surface 121a and does not overlap the one end surface in the directions of the optical axes L4 and L5.

The second light guide section 122 has a right side surface 122a (third reflecting surface). The right side surface 122 a is the side surface of the second light guide section 122 opposite to the side thereof connected to the first light guide section 121 . The right side surface 122a is parallel to the left side surface 121a of the first light guide section 121, and is inclined rightward by 45 degrees with respect to the optical axes L4 and L5 of the incident surfaces 11a and 11b. The right side surface 122a overlaps the left side surface 121a of the first light guide section 121a in the left-right direction perpendicular to the optical axes L4 and L5 (the direction in which the second light guide section 122 extends). The right side surface 122a is arranged so as to face the base ends of the two branch paths 13 and 14 (the connecting surface with the second light guide section 122) in the direction of the optical axes L4 and L5.

The two branch paths 13 and 14 are formed integrally with the prism body 12, split the light propagating through the prism body 12 into two, and output the split lights to the outside from the exit surfaces 11L and 11R. The two branch paths 13 and 14 protrude from one end (right end) of the second light guide section 122 to the side (front side) opposite to the incident surfaces 11a and 11b (rear side). The two branch paths 13 and 14 are arranged side by side in the direction (horizontal direction) in which the second light guide section 122 extends, and are inclined outward in the mutually facing direction (horizontal direction). The two branch paths 13 and 14 correspond one-to-one to the pair of translucent windows 31L and 31R.

The two exit surfaces 11L and 11R are formed by one end surfaces of the two branch paths 13 and 14, respectively. Each exit surface 11L, 11R is, for example, a plane. The normal lines of the two exit surfaces 11L and 11R are directed in substantially opposite directions. The normal lines of the two exit surfaces 11L and 11R are generally directed toward the corresponding translucent windows 31L and 31R. The two branches 13, 14 have opposite sides 13a, 14a. The opposing side surfaces 13a and 14a are the side surfaces of the two branch paths 13 and 14 that face each other. Opposed side surfaces 13a, 14a of the branch paths 13, 14 face the exit surfaces 11L, 11R provided on the branch paths, and are inclined with respect to the optical axes L4, L5 of the entrance surfaces 11a, 11b. This inclination is such that the light emitted from the emission surfaces 11L and 11R is generally emitted in the direction of the corresponding translucent windows 31L and 31R.

Light from the first light source 51a is incident on the incident surface 11a. Light from the second light source 51b is incident on the incident surface 11b. The two incident surfaces 11a and 11b are arranged in the direction in which the second light guide section 122 extends (horizontal direction). The two incident surfaces 11a and 11b are, for example, semi-convex lens shapes, but they may be planar lens shapes. The two incident surfaces 11a and 11b are arranged to be offset from each other in the directions of the optical axes L4 and L5, but they do not have to be offset from each other.

Prism body 12 has slit 15 . The slit 15 constitutes a reflecting surface that reflects light propagating through the prism body 12 . The slit 15 is a thin plate-shaped through-hole and penetrates the prism body 12 in the thickness direction (vertical direction). The slit 15 is provided at the connecting portion between the first light guide portion 121 and the second light guide portion 122 . In other words, the slit 15 is arranged between the two side surfaces 121a and 121b in the directions of the optical axes L3 and L4, and between the two side surfaces 121a and 122a in the horizontal direction perpendicular to the optical axes L3 and L4. It is The slit 15 is parallel to each of the side surfaces 121a, 121b, 122a and is inclined rightward by 45 degrees with respect to the optical axes L4, L5 of the incident surfaces 11a, 11b.

Prism 11 further has a pair of fitting projections 16 . The pair of fitting protrusions 16 are provided so as to protrude from both main surfaces in the vertical direction of the prism 11 (more specifically, for example, the second light guide section 122). A pair of fitting projections 16 fit into a pair of fitting recesses 22 i of the prism 11 . By this. The prism 11 is fixed to the body 2 (more specifically, the second opening 22e of the cover 22).

In this fixed state, as shown in FIG. 4, the two branch paths 13 and 14 of the prism 11 protrude from approximately the center of the cover 22 toward the front side of the cover 22 . The right side portion of the second light guide portion 122 of the prism 11 is arranged between the two side wall portions 61b of the reversing handle 6. As shown in FIG. Also, the prism body 12 of the prism 11 extends obliquely to the rear left of the cover 22 from substantially the center of the cover 22 . More specifically, the second light guide portion 122 of the prism 11 is arranged along the front surface of the cover 22 , and the first light guide portion 121 of the prism 11 extends obliquely to the rear left of the cover 22 . The two incident surfaces 11a and 11b of the prism 11 are arranged in front of the two light sources 51a and 51b of the light source unit 5, respectively.

How light propagates in the prism 11 will be described with reference to FIG.

In this prism 11, the light C1 emitted forward from the first light source 51a passes through the incident surface 11a, is reflected by the left side surface 121a, and propagates rightward. Then, the light C1 is reflected by the right side surface 121b and propagates forward. At this time, the left light C1a of the light C1 propagating in the forward direction propagates forward without being reflected by the slit 15 and is reflected by the left side surface 121a. Then, the light C1a propagates forward while repeating reflections between the left side surface 121a and the slit 15. After propagating to the front side of the slit 15, the light C1a is reflected by the left side surface 121a, propagates rightward, and reaches the right side. The light is incident on the front region R1 of the central position P1 of the surface 122a. Then, the light C1a is reflected forward by the right side surface 122a and propagates into the branch path 14 on the right side. The light C1a propagates while being reflected in the right branch path 14, and is emitted from the emission surface 11R toward the right translucent window 31R.

On the other hand, the right side light C1b of the light C1 is reflected by the slit 15, propagates rightward, and enters the region R2 at the rear of the central position of the right side surface 122a. That is, the light C1b is incident on the region R2 different from the region R1. Then, the light C1b is reflected forward by the right side surface 122a and propagates into the branch path 13 on the left side. The light C1b propagates while being reflected in the left branch path 13, and is emitted from the emission surface 11L toward the left translucent window 31L. The center position P1 of the right side surface 122a is the position where it intersects with a line L6 drawn parallel to the optical axes L3 and L4 from the boundary point P2 of the two branch paths 13 and .

In this way, the light C1 from the first light source 51a propagates through the prism 11, is split into two almost equally within the prism 11, and is emitted from the two emission surfaces 11L and 11R.

Further, as shown in FIG. 14, in the prism 11, the left light C2a of the light C2 emitted forward from the second light source 51b is transmitted through the incident surface 11b and reflected by the left side surface 121a. Propagate to the right. Then, the light C2a enters the rear region R3 of the right side surface 122a, is reflected forward by the right side surface 122a, and propagates into the branch path 13 on the left side. Note that the light C2a enters a region R3 different from the regions R1 and R2. The light C2a propagates while being reflected in the left branch path 13, and is emitted from the emission surface 11L toward the left translucent window 31L.

On the other hand, the right light C2b of the light C2 from the second light source 51b propagates forward and is reflected by the left side surface 121a. The light C2b propagates forward while repeating reflections between the left side surface 121a and the slit 15. When it propagates to the front side of the slit 15, it is reflected by the left side surface 121a and propagates rightward to the right side surface 122a. is incident on the front side region R4. That is, the light C2b enters a region R4 different from the regions R1 to R3. Then, the light C2b is reflected forward by the right side surface 122a and propagates into the branch path 14 on the right side. The light C2b propagates while being reflected in the right branch path 14, and is emitted from the emission surface 11R toward the right translucent window 31R.

In this way, the light C2 from the second light source 51b propagates through the prism 11, is split into two almost equally within the prism 11, and is emitted from the two emission surfaces 11L and 11R.

When the lights C1 and C2 from the light sources 51a and 51b enter the prism 11 at the same time, the propagation of the light C1 in FIG. 13 and the propagation of the light C2 in FIG. 14 are superimposed. Lights C1 and C2 from the two light sources 51a and 51b are respectively split into two substantially equally and emitted from the two emission surfaces 11L and 11R. That is, by one prism 11, the lights C1 and C2 from the two light sources 51a and 51b which are displaced from each other in the left-right direction are split substantially equally into two and emitted from the two emission surfaces 11L and 11R. can. In this case, the lights C1a, C1b, C2a, and C2b are incident on different regions R1 to R4 and reflected by the branch paths 13 and .

In this prism 11, among the inner surfaces of the prism body 12, the surfaces reflecting light (the right side surfaces 121b and 122a, the left side surface 121a, and the slit 15) are mutually arranged with respect to the optical axes L4 and L5 of the incident surfaces 11a and 11b. It is slanted 45 degrees to the same side (eg right side).

In this switch device 1, the light sources 51a and 51b are arranged to be shifted to the left from the center in the left-right direction (longitudinal direction) in the body 21. , and can be emitted from the two emission surfaces 11L and 11R.

Next, operations of the switch device 1 (operations of the operation handle 3 and the reversing handle 6) will be described with reference to FIG.

When one of the operating portions 3L and 3R on both sides of the operating handle 3 (for example, the left operating portion 3L) is pressed (operated), the operating handle 3 rotates about the rotation axis L1 (see FIG. 8). Then, the other (for example, the right operation portion 3R) is lifted forward from the front surface 22j of the cover 22. As shown in FIG. In this state, the conversion spring 8 elastically supports the operating handle 3 so as to maintain this operating state of the operating handle 3 .

At this time, the operating force when one of the operating handles 3 is pressed is transmitted to the reversing handle 6 via the conversion spring 8 . At this time, the four elastic pieces 81 e and 81 d of the conversion spring 8 elastically contact the corresponding contact portions 33 of the operating handle 3 . In this contact state, the four elastic pieces 81e and 81d slide on the corresponding contact portion 33 along the longitudinal direction of the contact portion 33 in accordance with the operation of the operating handle 3, while receiving the above-mentioned operating force and reversing. It is transmitted to the handle 6. Thereby, the above operation force is smoothly transmitted from the operation handle 3 to the reversing handle 6 . That is, the reversing handle 6 smoothly rotates around the rotation axis L2 (see FIG. 9) in accordance with the operation of the operating handle 3. As shown in FIG. In this case, the right operation portion of the operation portions 3L and 3R on both the left and right sides of the reversing handle 6 (that is, the portion on the same side as the operation portion on the pressing side of the operation handle 3) is pushed down by the conversion spring 8, It rotates around the rotation axis L2. This rotation switches the open/close contacts of the contact device 4 .

Further, in the switch device 1, the rotation axis L2 of the reversing handle 6 is shifted to the right with respect to the rotation axis L1 of the operating handle 3. As shown in FIG. Therefore, when the operation portion 3L on the left side of the operation handle 3 is pressed and when the operation portion 3R on the right side of the operation handle 3 is pressed, the reversing handle 6 operates in accordance with the operation of the operation handle 3. can differ. Specifically, in this case (when the rotation axis L2 is deviated to the right with respect to the rotation axis L1), the right side of the operation handle 3 is pressed when the operation portion 3L on the left side of the operation handle 3 is pressed. The above timing is later than when the operating portion 3R of is pressed.

On the other hand, in the switch device 1, among the four contact portions 33 of the operating handle 3, the left contact portion 33a and the right contact portion 33b have different undulating shapes. Specifically, the undulating shape of the right contact portion 33b is curved to make it difficult to transmit the operating force, and the undulating shape of the left contact portion 33a is made linear to facilitate the transmission of the operating force. As a result, the reversing handle 6 operates at the same timing regardless of which of the operating portions 3L and 3R on both sides of the operating handle 3 is pressed. As a result, no matter which one of the operation portions 3L and 3R on both sides of the operation handle 3 is pressed, the same operation feeling is obtained.

Thus, in this switch device 1 , the operating handle 3 and the reversing handle 6 are operable about separate rotation axes L 1 and L 2 , and the conversion spring 8 transmits the motion of the operating handle 3 to the reversing handle 6 . Therefore, by adjusting the manner of contact between the conversion spring 8 and each handle 3, 6, each operation (for example, rotation angle and rotation speed) of each handle 3, 6 can be adjusted independently. Further, by reducing the rotation angle of the reversing handle 6 with respect to the rotation angle of the operating handle 3, the space for the reversing handle 6 in the body 2 can be reduced, and the degree of freedom in layout layout of each component can be improved. .

Next, with reference to FIG. 4, operations of the pair of light shielding portions 10L and 10R and the pair of prisms 91L and 91R of the switch device 1 will be described.

In this switch device 1, when one of the operation portions 3L and 3R on both sides of the operation handle 3 (for example, the left operation portion 3L) is pushed down, the other (for example, the right operation portion 3R) is pushed to the cover 22. It lifts forward from the front surface 22j. In response to the operation of the operating handle 3, the pair of light shielding portions 10L and 10R and the pair of prisms 91L and 91R provided on the operating handle 3 move toward the prism 11 (more specifically, the two exit surfaces 11L and 11R). relative displacement.

More specifically, of the pair of light shielding portions 10L and 10R, the light shielding portion 10R provided on the raised one (right operation portion 3R) of the operation portions 3L and 3R on both sides of the operation handle 3 is the prism 11. , to a position that does not block the front of the corresponding emission surface 11R (for example, a position shifted forward from the emission surface 11R). Accordingly, the light emitted from the corresponding emission surface 11R of the prism 11 is not blocked by the light shielding portion 10R and is emitted toward the corresponding translucent window 31R. On the other hand, the light shielding portion 10L provided on the depressed one of the operating portions 3L and 3R on both sides of the operating handle 3 (for example, the left operating portion 3L) is positioned to block the front of the corresponding output surface 11L of the prism 11. (for example, the front position of the output surface 11L). As a result, the light emitted from the corresponding emission surface 11L of the prism 11 is blocked by the light blocking portion 10L and is not emitted toward the corresponding translucent window 31L.

Among the pair of prisms 91L and 91R, the prism 91R provided in the raised one (for example, the right operation portion 3R) of the operation portions 3L and 3R on both sides of the operation handle 3 is the corresponding emission of the prism 11. It is displaced to a front position of the surface 11R (that is, a position where the emitted light from the emission surface 11R can enter from the incident surface 95R). As a result, light emitted from the exit surface 11R of the prism 11 enters the entrance surface 95R of the prism 91R and exits from the exit surface 96R. That is, the emitted light from the emission surface 11R of the prism 11 is emitted from the translucent window 31R. On the other hand, the prism 91L provided in the pressed one of the operation portions 3L and 3R on both sides of the operation handle 3 (for example, the left operation portion 3L) is arranged rearward, for example, from the front of the corresponding emission surface 11L of the prism 11. It is displaced to a deviated position (that is, a position where the emitted light from the emission surface 11L cannot enter from the incidence surface 95L). As a result, light emitted from the exit surface 11L of the prism 11 does not enter the entrance surface 95L of the prism 91L and is not emitted from the corresponding translucent window 31L.

As a result, out of the pair of translucent windows 31L, 31R, the light source 51a, the light source 51a, the light source 51a, the The light from the light source 51b is emitted, and the light from the light sources 51a and 51b is not emitted from the translucent window 31L pressed down (for example, the left operation section 3L).

Next, the lighting operation (position display function and pilot function) of the switch device 1 will be described with reference to FIG.

In this switch device 1, the light source 51a (for example, white light source) is always lit. As a result, the light (for example, white light) from the light source 51a always enters the incident surface 11a of the prism 11 and exits from the two exit surfaces 11L and 11R of the prism 11. FIG. As a result, the light from the light source 51a is emitted only from the raised translucent window of the operating portions 3L and 3R on both sides of the operating handle 3, out of the pair of translucent windows 31L and 31R. That is, when the operating handle 3 is operated and one of the operating portions 3L and 3R on both sides of the operating handle 3 is lifted, the translucent windows 31L and 31R on the lifted side always emit white light, for example. . As a result, the position of the operating handle 3 can be easily recognized visually even in the dark by the light emission (position display function).

On the other hand, in the switch device 1, the light source 51b (for example, a red light source) is turned on and off according to the operation and stop of the load to be operated. For example, the light source 51b is turned off when the load to be operated is in operation, and turned on when the load to be operated is stopped.

As a result, when the load to be operated is in operation, the light source 51b is extinguished. Light from the light source 51b is not emitted from the translucent windows 31L and 31R on the raised side. That is, the translucent windows 31L and 31R that are raised do not emit light. On the other hand, when the load to be operated is stopped, the light source 51b is turned on. Therefore, when the operating handle 3 is operated and one of the operating portions 3L and 3R on both sides of the operating handle 3 is lifted, the lifted Light (for example, red light) from the light source 51b is emitted from the translucent windows 31L and 31R on the other side. That is, the translucent windows 31L and 31R on the raised side emit red light. As a result, even in the dark, the portion of the operation handle 3 for actuating the load to be operated can be easily recognized visually by the light emission (pilot function). In this embodiment, since the pilot function and the position display function are performed together, in this case, the red light from the pilot function and the white light from the position display function are emitted from the translucent windows 31L and 31R. .

As described above, according to the present embodiment, the operating handle 3 and the reversing handle 6 are operable about separate rotation axes L1 and L2, and the conversion spring 8 transmits the motion of the operating handle 3 to the reversing handle 6. FIG. Accordingly, by adjusting the manner of contact between the conversion spring 8 and each handle 3, 6, each operation (for example, rotation angle and rotation speed) of each handle 3, 6 can be adjusted independently.

Further, since the prism 11 is provided for splitting the light from the light sources 51a and 51b into two and guiding the light to the pair of translucent windows 31L and 31R, one light source 51a and 51b can be used for the pair of translucent windows 31L and 31L. A light source for 31R can be secured. That is, since it is not necessary to provide the prism 11 and the light sources 51a and 51b for each of the translucent windows 31L and 31R, the switch device 1 can be prevented from increasing in size. In addition, the light transmission control mechanism (light shielding units 10L, 10R and prisms 91L, 91R in the present embodiment) allows the light transmission window 31L, 31R to be switched depending on the operation state (that is, operation state) of the operation handle 3. The light guided by the prism 11 can be emitted from only one of the translucent windows. As a result, only one of the operating portions 3L and 3R on both sides of the operating handle 3 can be illuminated according to the operating state of the operating handle 3 without increasing the size of the switch device 1. FIG.

(Modification)
Next, modifications of the above embodiment will be described. The following modifications may be implemented in combination.

(Modification 1)
In the above embodiment, the light source 51b is turned off when the load to be operated is in operation, and the light source 51b is turned on when the load to be operated is stopped. However, conversely, when the load to be operated is in operation, the light source 51b may be turned on, and when the load to be operated is stopped, the light source 51b may be turned off. In this case, of the pair of translucent windows 31L and 31R, the raised translucent window of the operating portions 3L and 3R on both sides of the operating handle 3 emits light only when the load to be operated is in operation. .

(Modification 2)
In the above embodiments, the prism 11 may be fixed to the operating handle 3 instead of being fixed to the cover 22 (that is, the body 2). Also, the light guide member 9 (that is, the pair of prisms 91L and 91R) may be fixed to the cover 22 instead of being fixed to the operation handle 3. The pair of light shielding portions 10L and 10R may be fixed to the cover 22 instead of being fixed to the operation handle 3. Further, instead of being fixed to the reversing handle 6 and elastically contacting the operating handle 3 , the conversion spring 8 may be fixed to the operating handle 3 and elastically contact the reversing handle 6 .

(Modification 3)
In the above embodiment, the pair of light shielding portions 10L and 10R and the light guide member 9 (the pair of prisms 91L and 91R) are exemplified as an example of the light transmission control mechanism. The light transmission control mechanism emits light guided by the prism 11 from only one of the pair of light transmission windows 31L and 31R according to the operation state of the operation handle 3. It is a mechanism that allows In the above embodiment, one or both of the pair of light shielding portions 10L and 10R and the light guide member 9 may be omitted.

(Modification 4)
In the above embodiment, the light source 51b switches between lighting and extinguishing according to the conduction and non-conduction between the open/close contacts in the closed state. which one is pressed), lighting and extinguishing may be switched.

(Modification 5)
In the present embodiment, the translucent windows 31L, 31R are provided on both side end surfaces 3L, 3R of the operating handle 3, but may be provided on both left and right regions of the front surface of the operating handle 3 (the front surface of the main wall portion 31a). .

(summary)
A switch device (1) of the first aspect comprises an operating handle (3), a reversing handle (6) and a conversion spring (8). The operating handle (3) is operated by the operator to seesaw about the first rotation axis (L1). The reversing handle (6) operates around a second rotation axis (L2) different from the first rotation axis (L1) in accordance with the operation of the operation handle (3), thereby opening a predetermined open/close contact (movable contact). 45a and fixed contact 41a, movable contact 45b and fixed contact 42b). A conversion spring (8) is arranged between the operating handle (3) and the reversing handle (6) to transmit the motion of the operating handle (3) to the reversing handle (6).

According to this configuration, the operating handle (3) and the reversing handle (6) can be operated around separate rotation axes (L1, L2), and the conversion spring (8) changes the operation of the operating handle (3) to the reversing handle. (6). Accordingly, by adjusting the manner of contact between the conversion spring (8) and each handle (3, 6), each operation (for example, rotation angle and rotation speed) of each handle (3, 6) can be independently controlled. Adjustable.

In the switch device (1) of the second aspect, in the first aspect, the conversion spring (8) is fixed to one of the operating handle (3) and the reversing handle (6) (for example, the reversing handle 6). and elastically contacts the other handle (for example, the operating handle 3).

According to this configuration, the conversion spring (8) is fixed to one of the operating handle (3) and the reversing handle (6), so that the conversion spring (8) can be stably arranged between the handles (3, 6). .

In the switch device (1) of the third aspect, in the second aspect, the other handle (for example, the operating handle 3) has a first contact portion (33a) and a second contact portion (33b). The first contact portion (33a) and the second contact portion (33b) are provided on both sides of the rotation axis (for example, the rotation axis L1) of one handle (for example, the reversing handle 6) on the surface facing the other handle, It is in elastic contact with the conversion spring (8). The first contact portion (33a) and the second contact portion (33b) protrude from the facing surface. The undulating shape of each of the first contact portion (33a) and the second contact portion (33b) is different from each other.

According to this configuration, the first contact portion (33a) and the second contact portion (33b) of the other handle (for example, the operating handle 3) can be made to contact the conversion spring (8) differently. As a result, even if the first rotation axis (L1) and the second rotation axis (L2) are deviated from each other, even if either of the operation parts (3L, 3R) on both sides of the operation handle (3) is pressed, the A feeling of operation can be realized.

In the switch device (1) of the fourth aspect, in the second or third aspect, the conversion spring (8) includes a base portion (81a), a fixed piece (81b), a first elastic piece (81d) and and a second elastic piece (81e). The fixing piece (81b) is provided on the base plate (81a) and fixed to one of the handles (for example, the reversing handle 6). The first elastic piece (81d) and the second elastic piece (81e) protrude from both sides of the base plate (81a) toward the other handle (for example, the operation handle 3), and the other handle rotates about the rotation axis of the other handle. Elastically contact the positions on both sides.

According to this configuration, the conversion spring ( 8) can be realized.

In the switch device (1) of the fifth aspect, in any one of the first to fourth aspects, the first rotating shaft (L1) of the operating handle (3) and the second rotating shaft (L1) of the reversing handle (6) The axes of rotation (L2) are parallel to each other and do not coincide with each other.

According to this configuration, the first rotating shaft (L1) and the second rotating shaft (L2) can be displaced from each other. As a result, the rotary shaft (L1) of the operating handle (3) can be arranged at the center of the switch device (1) in the longitudinal direction while using the switch body used in the conventional switch device. A switch body of a conventional switch device includes a body, a contact device, and a reversing handle, and the rotation axis of the reversing handle is displaced from the longitudinal center of the body in the longitudinal direction of the body.

In the switch device (1) of the sixth aspect, in any one of the first to fourth aspects, the conversion spring (8) is adapted to move the operating handle (3) when the operating handle (3) is operated. ) to elastically support the operating handle (3) so as to maintain the operating state of (3).

According to this configuration, the operating state of the operating handle (3) can be maintained. As a result, it is possible to prevent the operating state of the operating handle (3) from being changed unintentionally.

REFERENCE SIGNS LIST 1 switch device 3 operation handle 3L, 3R operation portions on both sides 6 reversing handle 8 conversion spring 33a contact portion (first contact portion)
33b contact portion (second contact portion)
41a, 42b fixed contacts 45a, 45b movable contacts 81b fixed piece 81d elastic piece (first elastic piece)
81e elastic piece (second elastic piece)
L1 rotation axis (first rotation axis)
L2 rotation axis (second rotation axis)

Claims (7)

an operation handle that performs a seesaw operation about a first rotation axis by an operator's operation;
a reversing handle that controls opening and closing of a predetermined opening/closing contact by operating around a second rotation axis different from the first rotation axis according to the operation of the operating handle;
a conversion spring disposed between the operating handle and the reversing handle and transmitting the operation of the operating handle to the reversing handle ;
The first rotation axis and the second rotation axis are displaced from each other in a direction orthogonal to the second rotation axis when viewed from the front of the operation handle.
switch device. The conversion spring is fixed to one of the operating handle and the reversing handle and elastically contacts the other handle.
The switch device according to claim 1. an operation handle that performs a seesaw operation about a first rotation axis by an operator's operation;
a reversing handle that controls opening and closing of a predetermined opening/closing contact by operating around a second rotation axis different from the first rotation axis according to the operation of the operating handle;
a conversion spring disposed between the operating handle and the reversing handle and transmitting the operation of the operating handle to the reversing handle;
the conversion spring is fixed to one of the operating handle and the reversing handle and elastically contacts the other handle;
The other handle is
having a first contact portion and a second contact portion provided on both sides of the rotation shaft of the other handle on the surface facing the one handle and elastically contacting the conversion spring;
The first contact portion and the second contact portion protrude from the facing surface,
undulating shapes of the first contact portion and the second contact portion are different from each other;
switch device. The conversion spring is
a substrate portion;
a fixing piece provided on the substrate portion and fixed to the one handle;
a first elastic piece and a second elastic piece projecting from both sides of the base plate toward the other handle and elastically contacting positions on both sides of the rotation shaft of the other handle in the other handle. ,
4. A switch device according to claim 3 . an operation handle that performs a seesaw operation about a first rotation axis by an operator's operation;
a reversing handle that controls opening and closing of a predetermined opening/closing contact by operating around a second rotation axis different from the first rotation axis according to the operation of the operating handle;
a conversion spring disposed between the operating handle and the reversing handle and transmitting the operation of the operating handle to the reversing handle;
the conversion spring is fixed to one of the operating handle and the reversing handle and elastically contacts the other handle;
The conversion spring is
a substrate portion;
a fixing piece provided on the substrate portion and fixed to the one handle;
a first elastic piece and a second elastic piece projecting from both sides of the base plate toward the other handle and elastically contacting positions on both sides of the rotation shaft of the other handle in the other handle. ,
switch device. the first rotation axis of the operating handle and the second rotation axis of the reversing handle are parallel to each other and do not coincide with each other;
A switch device according to any one of claims 1 to 5 . The conversion spring elastically supports the operating handle so as to maintain the operating state of the operating handle when the operating handle is operated.
A switch device according to any one of claims 1 to 5 .

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