TW563152B - Switch - Google Patents

Abstract

This invention provides a switch that can efficiently emit the light from its light source to the outside even if misalignment between its display surface and the light source exists. The switch body includes a main body 1 for receiving a contact device 40 etc., and a reverse acting handle 50 rockably pivoted at the front end of the main body 1. A prism 80 mounted on an operating handle 60 includes a displaying section 81 for emitting the light to the outside from the light source (namely a position displaying lamp 71), and a light collecting section 82 for guiding the light of the position displaying lamp 71 to a displaying surface 81a of the displaying section 81. The light collecting section 82 includes a first reflection surface 82b adjacent to an incident surface 82a for incident light from the position displaying lamp 71, and forming an angle of 45 degrees with the incident surface 82a, and a second reflection surface 82c which reflects the light reflected by the first reflection surface 82b to the displaying surface 81a side and which is of a flat shape parallel to the first reflection surface 82b.

Description

563152 V. Description of the invention (l) [TECHNICAL FIELD OF THE INVENTION] The present invention relates to a switch. [Knowledge technology] From the past, we have provided light sources with position display + θ ^ display lamps (for example, neon lights, etc.), or connected: Fen: the position of the lamp (for example, light-emitting diodes, etc.) On the operating handle of this switch, the indicator light of the party lamp has: a concave display Λ shown in FIG. 8 for the purpose of emitting the outside, and the light emitting source 72 is located behind the display member 68. . \ 、 @ 牛 68 ， In structure, the display member 68 will be located in front of the light source 72. That is, in terms of structure, the switch has various forms. For example, the body of the point device and the switch can freely provide a reverse handle with a contact device for receiving the connection. An operating handle which is arranged on the device body and closed on the reversing handle. It covers the front of the reversing handle and the operating surface of the handle is larger than the reversing handle. In this switch, it is easy to operate. The method of back accumulation makes the operation more tolerant [problems to be solved by the invention] However, 'the display member is provided on the aforementioned switch operation handle, and the light source 72 is provided on the handle and the light source 72 is located toward the light source 72 in FIG. 8. When left, the position of the display member 68 will deviate relative to the direction of light ## of the display member 68, and the display surface 68a of the component 68 of the light source 72 cannot be emitted. The present invention has been made in view of the above-mentioned circumstances and problems. Such a switch, even if the light source and $ ^, the purpose of the present invention is to know: for the deviation of the position of the chanting surface, it can effectively make the hair 563152 V. Description of the invention (2) A switch for emitting light from a light source to the outside. [Mechanism for Solving the Problem] In order to achieve the foregoing purpose, the application of the item No. 丨 in the scope of patent application includes: a switch body, which can house the contact device in the body and a light source, and is located in the switch body; It is arranged on the front side of the switch body; and-a prism, which has a display part that allows the light of the light source to be emitted to the outside through the display surface, and is located between the switch body and the handle and can light the light source to the display The light collecting part of the display surface; and the light collecting part has a first reflecting surface that reflects light emitted from the light source toward the second reflecting surface and a second reflecting surface that reflects light reflected by the first reflecting surface toward the display surface side. 2 reflecting surface, even if the positions of the light source and the display surface deviate, the light of the light source can be reflected on the first reflecting surface of the light collecting part, and then reflected on the second reflecting surface and guided to the display surface of the displaying part The light from the light emitting source can be effectively emitted to the outside. The invention in the second scope of the patent application is directed to the invention in the first scope of the patent application, in which the first reflecting surface of the light collecting part and the light source are Incident surface Adjacent, and the angle between the incident surface and the incident surface is 4 5., so that the light from the light source can be effectively emitted to the outside. The invention in the scope of patent application No. 3 is for the invention in scope of patent application No. 1 or 2, The second reflecting surface is in a plane shape parallel to the first reflecting surface, so that the light from the light emitting source can be effectively emitted to the outside. The invention in the fourth scope of the patent application is directed to the invention in the third scope of the patent application. The thickness dimension of the light collecting portion in a direction perpendicular to the incident surface is set to be smaller than a width dimension of the display portion in a reflection direction of light reflected by the first reflecting surface, and relative to an optical axis of the display portion, the 2nd

563152 5. Description of the invention (3) The reflecting surface is formed on the opposite side of the first reflecting surface, so even if the gap between the switch body and the handle is small, the light from the light source can be effectively emitted to the outside, preventing Dark portions are formed on the display surface. The invention in item 5 of the patent application scope is for the invention in item i or 2 of the patent application scope, in which the second reflecting surface is stepped, and each stepped surface is a plane shape parallel to the first reflecting surface. The thickness of the light collecting portion in the direction perpendicular to the incident surface is small, and the light from the light emitting source can be effectively emitted to the outside to prevent the formation of dark portions on the display surface. The invention in the sixth scope of the patent application is for the invention in the fifth scope of the patent application, wherein the second reflecting surface has at least three stepped surfaces, so that the light from the light emitting source can be effectively emitted to the outside. [Inventive Implementation Mode] ^ In the following embodiments, a single-pole double-throw type (so-called three-way switch) is used as an example. However, the technical idea of the present invention can also be applied to a switch. The switch shown in Fig. 1 to Fig. 3 has a body 1 which has a positive degree V [^} IL " r * \ 1〇, ®) The body of a rectangular synthetic resin molded product forming an opening Envy 3 i is a frame-shaped synthetic tree that can be combined with the front side of the main body 10. ^ = „2 0. On the two lateral outer surfaces of the main body 1 0, the main body 1 (set a pair of combinations Protrusions ... The combined tongue piece 21 is extended from the chapter on the combined tongue piece, and 2 and t are rearward. The combination protrusion 2 is used to engage the combination hole 2la on the device 3 20.0. The main body 10 and the front cover 10 can be combined. Internal terminal with 3 terminal devices 30b, 30c, 30d, and contact devices

Page 10 563152 V. Description of the invention (4) '一 "' ------ The three terminal devices 30b, 30c, and 30d are connected through a wire insertion hole provided on the rear wall of the main one 1 2 The electric wire (not shown in the figure) inserted into the device body, the contact device 40 is used to switch the circuit between the terminal device 3005 and the terminal installation = 30c, 3 "d. In addition, a synthetic resin molding is attached to the opening window 22 in the center of the front cover 20 so as to be pivotable to the lid 20. = Turn the handle 5G, the contact device 40 will swing with the reverse handle 5 (): switch. The front side of the reversing handle 50 is removably combined with a synthetic resin molded product operating handle 60 so as to be detachable and overlapped with the front cover 20, and the operating handle 60 is used as the operating part to swing. The 50 will swing and hold the switch of the device 40. ^ A plurality of fixing ribs 13 and fixing grooves 14 for determining the position of the terminal device 301), 30 (:, 30 (1 and contact device 40) are formed on the inner side surface of the main body 10. The terminal device 30b is arranged The terminal device 30c and 30d are disposed in one end portion in the longitudinal direction of the main body 10, and the contact device 40 is disposed in the center portion in the longitudinal direction of the main body 10. The terminal device 3 0b has A terminal plate 32 made of a conductive metal plate, two latch springs 33, and a release button 3 4 of a synthetic resin molded product that abuts on the two latch springs 33. The terminal plate 32 is located in the main body 10 Near the one end portion in the longitudinal direction, 'the main piece 32a, the abutment piece 32b, and the connecting piece 3c are provided, and both sides of the main piece 3ja are inserted into and fixed to the fixing grooves 14 provided on the two inner lateral surfaces of the main body. The δ abutment piece 3 2 b is opposite to the main piece 3 2 a, and the connecting piece 3 2 c is connected along the opening of the main body 10 in such a manner that the main piece 3 2 a and the abutment piece 3 2 b are integrated. The abutment piece 3 2 b is near the central part of the longitudinal direction of the main body 10 and abuts on both sides of the main body 10 horizontally. Fixing the rib forming surface

Page 11 563152 V. Description of the invention (5) ------ 13, the terminal plate 32 will be fixed to the fixing rib 13 of the main body 10 and the cymbal spring 33 is located between the main piece ... and the abutting piece of coffee. On the terminal plate 3 $, 1 abuts the abutment piece 3 2 b after the end edge faces the longitudinal direction of the main body j 〇. The extension piece is provided with a support piece ⑽'Support 片 ㈣ 前端 #, θ and and The support piece 32d has a form in which the extending direction is perpendicular, and forms a fulcrum groove 3 2 e with a V-shaped cross section that is open on the front side. The terminal devices 30c and 30d respectively have terminal plates 45 and 46. Each of the terminal plates 45 and 46 is provided with main pieces 45a and 46a connected to the electric wires introduced through the electric wire insertion holes 12 of the body 1 and abutted on the main body 1 respectively. The contact pieces 45b, 46b of the fixing rib 13, the connection pieces 45c'46 (^) between the main pieces 45a, 46a and the contact pieces 45b, 46b, and the continuous extension from the connection pieces 45c, 46c and the front end Biehan has fixed contact points 4ia and 4ib for fixed contact points 45d and 46d. The two terminal sets 30c and 30d contact point fixed pieces 45d and 46d are arranged in a relative manner at the front end of the fixed contact points 41a, 4 1 b is also opposite. The terminal devices 30c and 30d are arranged on the same side in the longitudinal direction of the main body 10 (the left side of FIG. 2), and each of the terminal plates 45 and 46 houses a latch spring 33. Also, the two terminal plates 4f, A release button 34 is arranged between the flash lock springs 33 of j6. The latch spring 33 is formed by bending one end of a strip-shaped plate spring into an S shape and forming a contact piece 3 3 a. The other end is bent into a j-shape to form a flash lock piece 33b, and the contact piece 33a and the lock piece 33b are integrated into one body by a connecting piece 33c. In addition, the contact piece 33a and the latch piece 33b protrude toward the same side in the thickness direction with respect to the connection piece 33c. The latch spring 33 is mounted on the main pieces 32a, 45a, 46a of the terminals ^ 3 2, 45, 46 and When the contact pieces 32b, 45b, and 46b are in between, the 'connection piece 33c should be in contact with the contact pieces 32b, 45b, 46b, and the contact piece

563152 5. Description of the invention (6) 3 3a and the latch piece 35b should be opposite to the main pieces 32a, 45a, 46a. At this time, the front ends of the contact pieces 33a and the latch pieces 33b are inclined toward the direction away from the connecting piece 33c, and extend in a manner parallel to each other. The contact pieces 33 and the front ends of the latch pieces 33b are arranged closer to the front end side, and the distances from the connection pieces 3 2 c, 4 5 c, and 4 6 c become smaller. The formation portion of the aforementioned wire insertion hole 12 will correspond to the main pieces 32a, 45a, 46 of the terminal plates 32, 45, and 46, and between the contact piece 33a and the interlocking piece 33b. When inside the body 1, the front ends of the wires are clamped between the main pieces 32a, 45a, 46a and the contact pieces 33a and the latch pieces 33b. The wires contact the main pieces 32a, 45a, 46a, and the terminal devices 30b, 30c 30d is electrically connected to the electric wire, and the front end of the latch piece 33b is coupled to the electric wire, and the electric wire is mechanically fixed and cannot be separated from the device body 1. In particular, the latch piece 33b is inclined in the direction of the electric wire inserted through the electric wire insertion hole 12, and shortens the distance from the main piece 32a, 45a, 46a. Therefore, the latch piece is relatively strong in the direction of removing the electric wire. 33b is not easily deformed, but can prevent the electric wire from coming off. In addition, the electric wire is an insulated wire. Therefore, the part inserted into the body 1 should be insulated and removed. The 'clamped' wires between the main pieces 32a, 45a and the cymbals 33b are actually core wires. In addition, the terminal plates 32, 45, and 46 used in the above-mentioned electricity 30b, 3Gc, and 3Gd are composed of a twisted wire and a twisted wire. When the anger wire is a twisted wire, it is also inserted correspondingly. The wire insertion hole 12 on the device body can perform the wiring operation. On the wall behind the wire body 10, operate the hole at the position corresponding to the release button 34. The release button 34 on the right side of the figure i is placed on the top shell.

Page 13 563152

There are 2 latch springs 33 on 30b, 筈 and the latch spring 33 of 30 C, and the latch spring 33 of 30 d, and the eighth is: connected to the adjacent 2 The flashing north of the latch springs 33 and the blades protrude from the two cymbals on the lunar side of the π song piece ddb. The shape of the operation hole 15 is similar. The insertable shape of the tool at the front end, insert the tool into operation two: The release button 34 is pushed forward, and the latch piece w will be dragged + & & π ^ The door lock piece 33b will bear from the pressure piece 34a. = Deformation of piece 32a. Therefore, in the state of 3 ° b on the front side = two Γ1 sub-devices', as long as the tool is inserted into the 1 // dumb hole 15 and the release button 34 can be pushed, the locking piece 33b is deformed in the direction away from the wire And the mechanical fixing of the electric wire is released, and the electric wire can be unplugged from the body 1. The release button 34 is provided with two pressing pieces 34a, which are pressed with k by two flash lock pieces 33 on the terminal device 3Qb. If the terminal device 30b is connected with two wires, As long as one of the release buttons 34 is pushed, the mechanical fixing of the two wires can be released at the same time. Similarly, in the state where the terminal devices 30c and 30d are respectively connected to the electric wires, as long as a tool is inserted into the operation hole 15 of the terminal devices 30c and 30d, the release button 34 can be pushed, and the latch piece 33b will be deformed away from the electric wires. And the mechanical fixing of the electric wire is released, and each electric wire can be pulled out from the device body 1.

The contact device 40 has a plate-shaped switching element 43 pivoted by the support piece 32d of the terminal plate 32. Both sides of the switching element 43 in the thickness direction have movable contacts 42a and 42b. Each movable contact 42a and 42b will follow the switch. The rotation of the element 43 selectively contacts the fixed contacts 41a, 4 lb. That is, while the movable contact 42a is in contact with the fixed contact 4ia, the movable contact 42b and the fixed contact 41b are separated, and when the movable contact 42b is in contact with the fixed contact 41b, the movable contact 42b is movable.

Page 14 563152

5. Description of the invention (8) The contact 42a and the fixed contact 41a are separated. The rear edge of the switching element 43 is inserted into the fulcrum groove 3 2 e formed on the support piece 3 2 d. The switching element 43 can be rotated around the fulcrum groove 3 2e as a center. On the rear part of the main body 10 in the longitudinal central portion of the main body 10, a V-shaped rotation regulation groove 6 is formed. A protruding piece 43a protruding from the side edge of the switching element 43 is inserted into the rotation regulation groove 16, and the rotation regulation is used. The groove 16 regulates the rotation range of the switching element 43. Between the switch element 43 and the reversing handle 50, a reversing spring 44 composed of a coil spring is fixed, and a spring seat piece 43b is protruded on the end of the switch member 43. The spring seat piece is inserted into the reversing One of the ends of the spring. Say

^ μ ί The other end of the turning spring 44 is inserted into the back of the turning handle 50 ^ ° 卩 (not shown in the figure). The reverse handle 50 of the body 1 is provided with fulcrum protrusions 51, and the shape of each fulcrum protrusion 51 is $ = „shape =. The two lateral sides of the longitudinal central portion of the financial cover 20 are: Operation: A pair of bearing projections 23 protruding to the front of the edge of the second window 22, two light 51 inserted into the opposite surface, a fulcrum projection of the reverse handle 50 will be formed; The recessed portion 24 is swingable and provided at least at the front end portion, and is provided with: 5 o'clock protrusion 51. The other end portion of the longitudinal direction of the handle 50 is reversed.

When the handle 60 is pushed into the two longitudinal end surfaces of 25 °, there are protruding claws 53 respectively for the purpose of turning the handle 50: turning the handle 50 back. 120. The abutment ribs 25 projecting from the front side of each of the outer sides of the M, each abutting > The purpose of this article is not to say in detail. It is to use it for wiring appliances.

563152 V. Description of the invention (9) Mounting holes of the frame to fix the body 1 on the mounting frame, and when the part of the crying body 1 is buried in the construction surface such as the wall, the body 1 is installed and fixed on the The assembly of the assembly frame on the construction surface will be easier. When the device body 1 is mounted on the mounting frame, the abutting rib 25 abuts on the back side of the mounting frame. Manipulator 1 arranges 60 between the two abutting ribs 25. As a structure, the manipulator 60 does not interfere with the abutting ribs 25 when swinging. The manner in which the abutment rib 25 is protrudingly provided on the front cover 20 and the assembling claw 26 is provided on the abutment rib 25. Compared with the case where the abutment rib 2 5 is not provided, the operating handle 60 can be located at the rear In terms of the construction state, the gap formed between the front cover 20 and the operating handle 60 is difficult to see from the outside. As shown in FIG. 1, the operating handle 60 covers the front of the reverse handle 50, and the back of the operating handle 60 is provided with a coupling foot 61 which is caught on the reverse handle 5 0上 的 组合 爪 5 3。 On the combined claw 5 3. The front end (back end one) of the coupling foot 61 will form a claw that engages with the back of the coupling claw 53. The reverse handle 50 will be fixed to the pressure plate protrusion 62 and the claw 6 1 protruding from the back of the operating handle 60. As a result, as a result, the handle 60 was fixed to the reverse handle 50. In addition, a longitudinal end of the operating handle 60 is fixedly mounted with a length of 80 for guiding the light of the position indicator 7 i to the outside. In addition, at one end of the handle 60, a mounting groove 64 is formed along the width of the handle 60, and the mounting groove 64 is covered with a wire plate 65 having a plate shape. The bottom wall of the longitudinally substantially central portion of the mounting groove 64 is provided with an elongated light-transmitting window 64a, and the display portion 81 provided on the 稜鏡 80 is inserted through the light-transmitting window "a. The wire plate 6 5 is synthesized Made of resin, an open display hole 66 will be formed in the part corresponding to the light-transmissive window 64a, and the display part 81 of 80 will be from the back of the handle 60.

563152 V. Description of the Invention (ίο) The side is embedded in the display hole 66. The front end of the display portion 81 will protrude from the front of the handle 60 through the display hole 66 of the wire plate 65. The cross section of the front end portion of the display portion 8 丨 is semicircular. In addition, the width 'of the portion of the display portion 81 located in the light transmission window 64a is larger than other portions (the portion located in the display hole 66).稜鏡 8 0 is a molded product of transparent synthetic resin. It has an integrated set located on the back side of the handle 60 and can guide the light of the position indicator 71 to the display section 8 1 and the display surface 8 1 4a at the front end. Light section 82, and a rectangular plate-shaped mounting section 83 for mounting the operation handle 60 on the operation handle 60 from the back side of the operation handle 60. The mounting portion 83 has a circular opening and is provided with a mounting hole 83a that gradually decreases in diameter from the front side to the front side. The fixing protrusion 83a protruding from the back of the operator ’s back to the rear is inserted. Fix it on the lunar surface of the handle 60. The shape of 稜鏡 80 is explained on the back. The circuit board 70 is fixed to the rear end of the reverse handle 50. A current-limiting resistor (not shown in the figure) for the position indicator lamp 71 and the position indicator lamp 71 made of a neon lamp is mounted on the circuit board 70. The central part of the circuit board 70 will be a press-fitting hole 74 with a circular opening, and the tube part provided in the reversing handle 50 will be pressed into the press-in hole 74, so that the circuit board 70 can be fixed in the reverse direction. Handle 50. In this state, the position display lamp 71 is arranged so that the through hole 52 of the handle 50 is reversed to 稜鏡 80 by reversing the handle. A contact member 47 made of a conductive metal plate is riveted and fixed to the connecting pieces 45c and 46c of the terminal plates 45 and 46, respectively. The contact piece 47 is elastically connected to the circuit board 70, so that the contact piece 47 is not elastically connected to the circuit board 70 at any time without being affected by the swing of the reverse handle 50. On the circuit board 70, the position display lamp 71 and the resistor (not shown in the figure) are mounted in series on the woman.

Page 17 563152 V. Description of the invention (11) The contact pieces 47 contact this series lightning respectively. It is used for the strobe lamp to turn on and off. This type of 3-way switch is usually turned off, and it can be dropped upstairs and downstairs. #Up and down can be configured with 3 roads respectively. At two fixed contacts, 4U, 41bf / ^ \ stair light, party lights and off lights. Therefore, the circuit, when the staircase lights are turned off, the connection relationship between the road and the road is already known. The second and second ports are known for this kind of electrical μσσσ, and so the explanation is omitted. = Describe the operation of the aforementioned switch ㈣, as shown in m, when the right end of the ::: is located farther behind (left below) than the left end, :: contact 42a will contact the fixed contact ..., this state In the reverse state, "" is in a state where the middle part is more bulging to the left than the two ends, and the reverse play "can push the movable contact 42a to the fixed contact ..." In this state of evil , Push the left end of the handle 60 toward the back, and reverse the spring 44 = the end will move to the right. 'The reverse spring 44 will quickly extend j' after being compressed, and it is more in the middle than the two ends. In the state of bulging to the right, at this time, the switch π member 43 will fall to the right and move the movable contact 42a away from the fixed contact 41a 'and bring the movable contact 42b into contact with the fixed contact 4ib. " In the embodiment, the light emitting source 72 (see FIG. 4) is composed of a position display lamp 71, and the light emitting source 72 may also be a conventional dry light. In addition, in this embodiment, the device body 1 for accommodating the terminal device 30c′30d and the contact device 40 is installed on the device body i in a freely swinging manner. The reverse handle 50 on the front side constitutes the switch body. However, the aforementioned 稜鏡 80 and the light source 7 2 (position display lamp 71) have the positional relationship shown in FIG.

Page 18 563152 V. Description of the invention (12) The display portion 81 that emits the light on 60 and the light source 72 can be emitted to the outside, and the light source 72 can be located between the switch body and the operating handle 60. The light is guided to the light collecting portion 82 of the display surface 81a of the display portion 81. The light collecting section 82 has a first reflecting surface 82b 'and a planar incident surface 8 2a where the light from the light emitting source 72 is incident, and the angle between the first reflecting surface 82b' and the incident surface 82a is 45. And a second reflection surface 82c that reflects the light reflected by the first reflection surface 82b toward the display surface 81a. At this time, the thickness dimension H1 of the light collecting portion 82 in a direction perpendicular to the incident surface 82a is set to be smaller than the display portion 81 in the reflection direction (right direction in FIG. 4) of the light reflected by the first reflection surface 82b. The width dimension H2 is opposite to the first reflection surface 82b with respect to the optical axis X of the display portion 81. The second reflecting surface 82c is a planar shape parallel to the first reflecting surface 82b. Also, "Even if the positions of the light emitting source 72 and the display surface 81a of the display portion 81 deviate in the left-right direction of Fig. 4 (that is," even if the light emitting source 72 is not located on the extension line of the optical axis X of the display portion 81), The angle between the light from the light emitting source 72 and the incident surface 82a of the light collecting portion 82 is 45. The first reflecting surface 82b reflects, and then reflects on the second reflecting surface 8 2c and leads to the display surface 8 1 a of the display portion 81, so that the light from the light emitting source 72 can be effectively emitted to the outside. The thickness dimension H1 of the light collecting portion 82 in a direction perpendicular to the incident surface 82a is set to be smaller than the width dimension Η 2 of the display portion 81 in the reflection direction of the light reflected by the first reflection surface 82b, and is relatively The optical axis X of the display portion 81, the second reflection surface 82c is formed on the opposite side of the first reflection surface 82b, and the second reflection surface 82c is a plane shape parallel to the first reflection surface 82b, so even if the switch body And the gap between the handle 60 and the handle is small, and the light from the light emitting source 72 can be effectively emitted to the outside, and a dark portion can be prevented from being formed on the display surface 8 1 a.

Page 19 563152 V. Description of the invention (13) " ~ Also shown in Fig. 4 is 80. The thickness dimension H1 in the direction perpendicular to the incident surface 82a is smaller than that using the i-th reflecting surface 82b. The width of the display portion 81 in the direction of reflection of the reflected light ", so 稜鏡 80 is only required to have the shape of H1 > H2 shown in Fig. 5. At this time, 稜鏡 80 shown in Fig. 5 Is the same at the point where the second reflection surface 8 2c is parallel to the j-th reflection surface 82b ', but is relative to the optical axis X of the display portion 8, because the formation of the second reflection surface 8 2c follows The first reflecting surface 8 2 b is extended to the opposite side, so that the light from the light emitting source 72 can be effectively emitted to the outside. Also, the shape 80 can be shaped as shown in FIG. 6 and FIG. 7. The shape of the prism 80 is substantially the same as the shape of 稜鏡 80 in FIG. 4, the second reflecting surface 82c is stepped, and the second reflecting surface 82C is a planar shape parallel to the j-th reflecting surface 82b. It differs from the Z axis of the display portion 81 from the first reflecting surface 82b to the opposite side. Only this point is different. 稜鏡 80 having the shape shown in FIGS. 6 and 7 and稜鏡 80 shown in 4 is the same. Although the thickness of the light collecting portion 82 in the vertical direction of the incident surface 82a is small, the light from the light emitting source 72 can be effectively emitted to the outside, and the display surface 81a can be prevented from being formed. Dark part. The second reflecting surface 82c of 稜鏡 80 in FIG. 6 has two stepped surfaces 82d. The second reflecting surface 82c of 稜鏡 80 in FIG. 7 has five stepped surfaces 82d. The prism 80 emits the light from the light source 72 to the outside more effectively. However, the stepped surface 8 2 d is easy to be formed when the number is small. Therefore, only two or more stepped surfaces 8 2 d can be used. ] The invention of the first scope of the application for a patent has a switch body that can house the contact device in the device body; a light source that is located in the switch body; operation

Page 20 563152 Five Description of the invention (14)

::, arranged on the front side of the main body of the switch; and a prism, which has a display X body that allows the light from the light source to be emitted to the outside through the display surface, and selects the bamboo topping pq ,, again: μ, 〇: t A 4 Standing on the switch master ::, as a handle, Yaya can guide the light from the source to the display section; and the light collection section has ΐΐί = !, which can reflect the first reflection surface of Γ! The light reflected toward the display surface side is reflected on the first reflecting surface of the light collecting part, and then reflected again at two = and guided to the display surface of the display part, and has the effect of effectively emitting the light from the heart to the outside. The invention of x first M / application of patent scope W is because the incident surface where the light of the first door of the light collecting part is incident is adjacent to each other, and its incidence surface is 45 degrees. 'Therefore, there is an invention in which the light from the light emitting source can be effectively emitted to the external surface in the scope of patent application No. 3, which is directed to the invention in the scope of patent application or No. 2, because the second reflecting surface is parallel to the first reflecting surface] The plane shape has the effect of effectively emitting the light from the light source to the outside. 0 The invention in the fourth patent scope is for Mao Ming, the third member of the patent scope, because the far light-collecting part is perpendicular to the incident surface. The thickness dimension in the direction is set to be smaller than the width dimension of the display portion in the reflection direction of the light reflected by the first reflection surface, and the second reflection surface is formed on the first reflection surface with respect to the optical axis of the display portion. On the opposite side, even if the gap between the switch body and the "Hio" handle is small, it has the effect of effectively emitting light from the light source to the outside and preventing the formation of dark portions on the display surface.

563152 V. Description of Invention (15) The invention in the fifth scope of the patent application is for the invention in the first or second scope of the patent scope, because the second reflecting surface is stepped, and each stepped surface is parallel to the first reflecting surface It has a planar shape, so even if the thickness of the light collecting portion perpendicular to the incident surface is small, it has the effect of effectively emitting light from the light source to the outside and preventing the formation of dark portions on the display surface. The invention in the sixth scope of the patent application is directed to the invention in the fifth scope of the patent application. Since the second reflecting surface has at least three stepped surfaces, it has the effect of effectively emitting light from the light source to the outside.

Page 22 563152 Brief description of the drawings ----- Figure 1 is a sectional view showing an embodiment of the present invention. Fig. 2 shows (a) a front view, an f view, and (c) a bottom view of the embodiment of the present invention. Figure 3 is an exploded perspective view of an embodiment of the present invention. Fig. 4 is a cross-sectional view of a salamander used in the embodiment of the present invention. FIG. 5 is another cross-sectional view of the 稜鏡 used in the embodiment of the present invention. Configuration Example FIG. 6 is a cross-sectional view of still another point used in the embodiment of the present invention. Example of tannic acid Fig. 7 is a "plane view" of another example of the structure of the cymbal used in the embodiment of the present invention, and (b) is an enlarged view of an important part of (a). Figure 8 is an explanatory diagram of the important parts of the use case. [Explanation of component symbols] 1 body 4 0 contact device 41 a, 41 b fixed contact 42 a, 42 b movable contact 5 0 reversing handle 6 0 operating handle 7 0 circuit board 71 position display lamp 72 light source 8 0 稜鏡 81 Display

563152

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Claims (1)

563152 The switch is characterized in that: the switch body is capable of accommodating a contact device in a light source and is provided in the switch body; and the operator handle is provided in a positive position of the switch body, and has a light source capable of transmitting light. A display part, and a light collecting part located on the display surface of the switch body and the operating handle leading to the display part; and its body; the surface side; and the display surface emitting to the outside to collect light from the light source ^邛 It has a structure that can reflect the light emitted from the light source towards the second reflecting surface. The first reflecting surface and the second reflecting surface which reflects the light reflected by the first reflecting surface toward the display surface side. 2. The switch in item 1 of the patent application, wherein the first reflecting surface of the light collecting part and the incident surface where the light of the light source is incident are adjacent to each other and formed at 45 with the incident surface. Angle. 3. The switch of item 1 or 2 of the '凊 patent scope, wherein the second reflecting surface is a plane shape parallel to the first reflecting surface. 4. For the switch in the third scope of the patent application, of which The thickness dimension of the light collecting portion in a direction perpendicular to the incident surface is set to a visibility dimension of the display unit in a reflection direction of light reflected by the first reflecting surface, and the second reflecting surface It is formed on the opposite side of the first reflection surface with respect to the optical axis of the display portion. 5. For example, the switch of item 1 or 2 of the patent application, wherein the second reflecting surface is formed in a step shape, and each step surface is in a flat shape of the first reflecting surface. 6. For the switch in the scope of application for item 5, where Page 25 563152 6. Scope of patent application The second reflecting surface has at least three stepped surfaces 1111 page 26