TW200529268A - Switch - Google Patents

Abstract

There is provided a switch allowing the connection task of an external wire regardless of a connection line of a pilot lamp block. A device body is composed of a body opened at its front face, and a cover coupled with the front side of the body. A terminal piece received in the device body includes a contact piece elastically contacted with an external wire, a lock piece between which with the contact piece the external wire is inserted and held; and a connection piece of an L shaped for connecting the contact piece and the lock piece. An external wire connecting part connects the external wire with the contact pieces and the lock pieces. In a connection piece, a connection line connecting part connects the end side of the connection line of the pilot lamp block with the back end part of a portion provided along a partition wall inside the body.

Description

200529268 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a switch. [Prior art] In a conventional built-in wiring device such as a switch or a wall socket, it has been known that a post terminal can be used as a terminal connected to an external line (for example, Japanese Patent Unexamined Publication No. 2003-249282 Paragraph [00〇1 5]-[001 8] Figure 3). The three-way switch is composed of a device master :: Early pole dual-throw switch is also formed by the weighing section 120, and the main body U0 and-cover on its back side, the cover part is formed In its ~ touch installation, the main system is formed, that is, on the front side t of the cover 120, ~, the front side of the device main body 100 to perform every-contact device = equipped with three operating handles 160, Μ ™, the back of η In the side, that is, in the main body ΠΛ Μ and the device main body 100 I you Wang Jin Π0 on the back side 1 3 0, to be connected 'three pillar-type end-reversing main mother-contact device is installed. 2. Insert a terminal screw 3 2 2. The forward terminal 130 is connected to a peripheral wall of a circular terminal frame 131. In the figure), the threaded hole passes through the outer line of the diameter surface by the device main body 100. One is inserted through the peripheral wall of the hole 131 of the terminal frame 131 and the terminal screw 13: the rear side is inserted and held between the terminal frame and the end surface. The switch shown in Figure 18 is inserted into the frame and the 0 structure respectively, and the screws (not 3 200529268 are in the holes on the right and left sides of the cover 1 2 0 2 7 and are embedded with a The switch box in the structural surface is screw-coupled, or the screw system is directly screwed into the structural surface. A decorative plate 19 with a window hole to expose the operation handle 160 is installed on the front side of the cover portion 120. The switch in Figure 18 contains an indicator block i 7〇 as shown in Figure 19. The

The indicator light block 1 70 includes an indicator light 17 composed of a neon lamp, a pair of connecting wires 175 connected to the indicator light 171, and a lamp housing 173 that partially houses the indicator light 171. The neon lamp system An input hole (not shown) in response to a contact change of the contact device is' mounted with a light indicating light. Further, a case insert into which the lamp case 173 is inserted is formed in the cover portion 120. In the operation handle 丨 6 〇 The lamp m emits light to the external indicator. Here, the ends of the pair of connecting wires 175 connected to the finger lamps 1 7 1 are connected to the two-post terminals 1 3 respectively. In addition to the two-way switch of the M-off switch, which is a built-in wiring connection device, there is also a single-pole single-throw switch called a decoupling switch, called a four-way switch. In a bipolar single-throw switch, the four terminals of the rain # 工 u ^ two terminals and the remaining two terminals are connected one-to-one, and the two connections are optional and so on. 'When performing the connection of the external line to the column terminal and pressing down a connection line 175, so that the indication will not be disengaged by the terminal frame 131, therefore, the connection of 130 in the switch shown in Fig. 18 requires the light block 1 The 7 0 connection line 1 7 5 does not want the outside line connection to work. Α GO, μ Μ, 7 Furthermore, by alternately pressing down the end of the activation handle to perform a contact change in the = and ρ, Μ ^ one-way switch, when operating 4 200529268 as one end of the handle 1 60 When the part is depressed, a load becomes on or off. When the indicator is installed in one end of the operation handle 160, it becomes difficult to recognize the state of the load via the indicator light. [Summary of the Invention] Therefore, the present invention relates to providing a switch to allow the connection of an external line to work, not to the connecting line of the indicator block. According to an exemplary embodiment, the present invention provides a switch including: a device body that houses a contact device; a plurality of terminals electrically connected to the contact device for connecting to an external line; and an operating handle installed on the device body. The front side is used to perform the contact conversion of the contact device; and an indicator light block is installed outside the device main body and includes an indicator light to emit light in response to the contact conversion of the contact device and a pair of connecting wires connected to the indication A lamp, among which a terminal to be connected to a connection line between a plurality of terminals, is provided with an external line connection portion for connecting to the external line, and a connection line connection portion for connecting an end side of the connection line. With the above-mentioned structure, because a structure of the external line connecting portion for connecting the external line and the connecting line connecting portion for connecting the end side of the connecting line are provided at the terminals to which the connecting line is connected, so when the external line is connected to a terminal , The connection line of the indicator block does not need to be depressed and held 'and the connection work of the external line can be performed regardless of the connection line of the indicator block, thereby providing easier external line connection work. 5 200529268 Preferably, the indicator light block may include a lamp housing, which is formed by a synthetic resin mold and houses the indicator light therein, and a connecting line is extended therefrom, and is formed by being mounted on the lamp housing and The coupling hole of the coupling member of one of the device main bodies is engaged with a coupling protrusion mounted on the lamp housing and the other of the device main body, so that the lamp housing and the device main body are coupled together.

With the above structure, in the indicator block, the lamp housing with the indicator lamp is detachably mounted to the device main body, and therefore, it is easy to assemble the work. Preferably, the contact device, the terminal device having a plurality of terminals as a group, the operation The handle and the shell mounting portion with a set of two coupling members can be installed side by side in the same direction and in units of three, and the device body can include a mis-insertion prevention rib to prevent the lamp housing from being inserted in the same direction and adjacent to each other Between the opposite coupling members of the shell mounting portion. With the above-mentioned structure, the lamp housing can be prevented from being attached to the wrong position of the device body. Preferably, the lamp housing may include an insulating rib for separating a pair of wires of the indicator lamp. With the above structure, the insulation distance between one pair of wires of the indicator lamp can be easily determined. Preferably, the terminal may be a terminal piece disposed in the main body of the device, and may include: a contact piece 'which is in elastic contact with an outer wire introduced into the main body of the device through a wire insertion hole passing through the main body of the device; a certain lock Piece, which is pressed in the direction toward the contact piece 'to hold the outer wire between the fixed lock piece and the contact piece; and a connecting piece for connecting the contact piece and the fixed lock piece, and the outer line connecting portion is formed by The contact piece and the fixed lock piece are composed, and the connecting line connecting portion is made of a connecting piece. I With the above-mentioned structure ', since the connecting portion of the connecting wire is composed of a connecting member, the connecting member is not easily deformed compared to the contact member and the fixed locking member, so the end side of the connecting wire can be safely connected. Preferably, the "indicator block" may include a connector part, a part of the contactor in the housing, the contactor being electrically connected to the end of each connection line and elastically contacting the connection part of the connection line, and the device The main body may include an insertion recessed portion formed at a position corresponding to the connecting line connecting portion, the casing is inserted into the insertion recessed portion by the elastic force of the casing, and a connecting claw protruding from the side of the casing can engage a snap-fit. The groove is connected via the insertion recess. With the above structure, the housing of the connector section can be easily inserted into the insertion recess by inserting the housing of the connector section into the insertion recess. The contactor is elastically formed. It is in contact with the connecting line connecting portion, so that the end of the connecting line is connected to the connecting line connecting portion, thereby providing easy connection work of the connecting line connecting portion. 7 200529268 Preferably, the main body of the device may include an indicator for emitting the light of the indicator light to the outside, and the indicator is installed to be attached to the operation handle. With the above-mentioned structure, the state of the indicator light can be recognized by the indicator, regardless of the operation position of the operation handle. [Embodiment]

The above and other advantages of the present invention will be understood by those skilled in the art by describing its preferred embodiments in detail with reference to the accompanying drawings. The present invention will be described in detail with reference to Figs. 1 to 15 which show preferred embodiments of the present invention. However, the invention can be implemented in different forms and the invention should not be limited to the embodiments described. Rather, these embodiments are provided to complete this disclosure and to fully convey the scope of the invention to those skilled in the art. The same reference number indicates the same reference number throughout the manual. (Exemplary Embodiment 1) Here, a switch according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 15 below. According to a first embodiment of the present invention, a switch includes a device main body 1, which is composed of a main body 10 and a cover portion 20. The main body 10 is a rectangular synthetic resin mold, and the front side (upper side in FIG. 4) is The opening and cover portion 20 is also a synthetic resin mold and is coupled to the front of the main body 10. Four assembly claws 11a and Ub separated in the horizontal direction of the main body 10 by 200529268 are respectively projected from the two outer sides of 菔 10 in the vertical direction of the main body 10. An assembly 21 protrudes from the cover surface, and is provided with a stopper claw (not shown, J brown is connected to the assembly claw 11 b, and an assembly hole 2 1 a is coupled to the assembly claw na. The main idea 10 has three The unit rooms are separated by two insulating walls 12 in a horizontal direction inside each unit room 13. Each unit room 13 includes three terminal members "1 stem 3 1, 3 2 and 3 3 and a contact device 40, and the terminal members are connected to one The outer main line 5 is continuously inserted into the device main body 1 through a wire insertion hole 15 (Fig. 11 / a and 11 (a)) formed in the rear wall of the main body 10. Each unit room 13 is along the The main body ι0 is provided with three chambers in the vertical direction, which are separated by two partition walls i 4. The upper and lower chambers are terminal shells 13a, which include terminal members 31 and 32; the first and second chambers are a terminal shell 13b, Contains the terminal piece 33, and a middle compartment is the middle shell η. The spoon contains a contact device 40. According to this embodiment, each terminal piece 3, 3, 2 and 1 has a terminal connected to the outer line 5. In order to ensure the operating handle In the vibration space described later, the cover portion 20 has a structure—in which the front of the center portion is compared with 4 on the upper and lower end sides. It is a depression in the vertical direction. A hole-shaped connection hole 27 is formed at the vertical center of the two sides of the cover portion. The connection screw is inserted through the hole and the coupling screw is screwed to form a built-in Coupling plate on the aperture side of Khan 1 Guanying (built-in switch) in Shimenming ’s heart, mouth, and other facets, such as a wall. In January, I will describe I σ into a tree and a rectangular frame. The decorative plate 90 is detachably installed in the front of the cover portion. The operation handle 60 is arranged in the rectangular window hole 91 9 200529268 of the decorative plate 90. The window hole 91 is formed in a size that is large enough to cover Hold the three operation handles 60. In other words, the operation handle 60 is centered to be about 1/3 the size of the window hole 91 in the right and left sides, and the vertical size of the operation handle 60 is slightly larger than that of the window hole 91. Dimensions. A stopper hole 26 is formed near each corner of the cover portion 20, and a stopper 92 (FIG. 9) protruding from the back of the decorative plate 90 is inserted into the stopper hole 26. When this embodiment When the open relationship is directly attached to the structural wall, the coupling screws inserted into the connection holes 27 To the structural wall. The cover 20 is provided with a recess 22 in front of the part corresponding to the space between the two connection holes 27. The recess 22 is provided with three aperture windows 23 on its lower wall and is partitioned in the horizontal direction. In 23, a synthetic resin mold turning handle 50 is movably mounted to pivot relative to the cover portion 20. The contact device 40 is opened or closed by the action of the turning handle 50. The turning handle 50 is inclined A coupling handle 54 which is installed in the front side and combined with the operating handle 60 is continuously formed in a main body with a step 53 disposed therebetween. A synthetic resin mold is formed to overlap the front of the cover portion 20 The operation handle 60 is connected to the front of the coupling handle 54 and, by operating with the operation handle 60, the return handle 50 is moved to form a contact transition of the contact device 40. The size of the coupling handle 54 in the vertical direction of the cover portion 20 is larger than that of the return handle 50. The terminal pieces 31 and 32 housed in the terminal case 13a are formed of a conductive metal plate, and include: a contact # 3la and 32a for elastic contact with an external wire 5 10 200529268 introduced into the device body j through the wire insertion hole 15 To the contacts 31a and b, the shackles 31b and 32b, and the direction of the ceremony 32a, the η 32a is inserted and the surname female is held from the rest by the contacts 31a and 1 to hold the outer line 5; and the connector is continuous in the body The connection contacts ^ ^ and 3 2c are used to fix the terminal pieces 31 and μ,, and the shackles 31b and 32b at the place where the main money contact pieces 3la and 32b are placed. In 32, the 'connecting members 31c and ^ are housed in the terminal housing 13a, and are formed by the ..., 2c series ..., and are arranged on the aperture surface, and are divided by

The main body 10 # h is between the partition wall 14 and the inner surface of the main part 10 opposite to the partition wall 14. The terminal is bent into an L shape, and p and 32 are formed by forming a belt-shaped metal plate with contacts 3U and η, and W is bent into an S shape. Therefore, &, and the other end portion is bent into a J shape. Thus, shackles 31b and 32b are formed. The terminal piece 33 accommodated in the terminal case 13b is formed of a conductive metal plate and includes two contact pieces 33a 'which are elastically brought into the outer wire 5 of the device main body 1 through the wire insertion hole 15; two fixed lock pieces 33b' which It is pressed in the direction of each contact piece 3 3a 'and' with each contact piece 3 3 a inserted and fixed to the outer wire 5; and a connecting piece 33c for connecting the two contact pieces 33a and the two fixed lock pieces 33b. °: In the terminal piece 33, the connecting piece 3 3 c is formed into an L-shape J and is accommodated in the terminal shout 13 b so as to be arranged along the aperture surface of the partition wall 14 and the main body 1 and maintained in the partition wall 14 and the inner surface of the main body 10 opposite to the partition wall 14. The terminal piece 33 is formed by bending a belt-shaped metal plate into an L-shape, with slits at both ends in the longitudinal direction, and the other end portion is bent into an S-shape, thus forming two contact pieces 33a, and the other end portion is In order to be bent in a J shape, two fixed lock pieces 33b are formed. 11 200529268 The wire insertion hole 15 is formed in the main part.] The contact pieces 31a and 3a of the terminal pieces 31 and 33 in the rear wall of the royal body 10 are respectively corresponding to a and 33a and fixed lock pieces 31b and 32b. A part, that is, a two-hole deep insertion hole 15 is formed in the rear wall of each terminal 1 3 a and 1 3 b. When the outer thread 5 is inserted into the main body 1 through the wire insertion hole 15, the front end of the outer thread 5 is inserted and held in the contact pieces 31a, 32a, and 33a and the fixed lock piece 31b. Between 32b and m. Outside 5

Tied to contacts 31a, 32a and 33a

Ja contacts, so the terminal pieces 31, 32 and 3 3 are electrically connected to the external line 5. … ^ M ，, the leading edges of the fixed locks 31b, 32b, 3 3 b are connected to the outer ridges 5. Thereby, the outer line 5 is mechanically maintained so as not to be detached by the apparatus main body 1. Based on this, C outer line 5 is an insulated cover line, and its main body is inserted into the device! The insulating covering is removed to expose-the insulated conductor 5b. Therefore, the outer line 5 is held between the contact pieces 3ia32a, 33a and the fixed lock pieces 31b, 32b, and 33h, and the main-4 3b indicates that the insulated conductor 5 b is inserted and maintained therebetween. Here, each terminal constituted by each of the terminal members 3b, 33 constitutes a snap-in terminal.

Each terminal housing 13a, 13b includes a release body 34 for wire release, respectively. The release body 34 of the terminal case 13a is disposed between the fixed lock members 31b, 32b mounted on each of the terminal members 31, 32. The release main body 34 housed in the terminal housing 13 is formed so that the pressing pieces 34a that come into contact with the back surface of each of the certain lock pieces 31b, 3 2b protrude from its right and left sides, and a joystick for wire release 34b and one body obliquely protrude backward. At the same time, the release main body 34 accommodated in the terminal case 13b is disposed between two fixed lock pieces 3 3 b and 3 3 b formed in the terminal piece 12 200529268 3 3. Thereby, the release body 34 stored in the terminal holder is formed so that the pressing members 34a that are in contact with the back of each of the certain lock members 3 3b protrude from the right and left sides thereof, and a release lever 34b is formed by It protrudes obliquely backward. The leading slit opening 6 is formed on the upper and lower sides of the main body 丨 0 corresponding to a part of the release main body 34, and the joystick 34b is exposed on the upper and lower sides of the main body 10 through the slit 16. . The release main body 34 is rocked in the main body 1. When the front end of the joystick 34b moves upward, the main body 34 swings, and the locking members 31b, 32b, and 33b are pressed in a direction of being bent away from the contact members 31a, 32a, and 33a. In the structure described above, when the joystick 34b is moved upward and the terminal pieces 31, 32, and 33 connected to the external line are fixed, the fixed lock pieces 31b, 32b, and 33b are bent away from the external line 5. Therefore, the mechanical holding of the external line 5 is Release, whereby the thread 5 is taken out by the apparatus main body 1. The contact device 40 includes two contact holders 45 and 46, each of which is held in the middle case 13c and has fixed contacts 41a, 41b formed therein-and an opening / closing device 43, which is made of a plate-shaped conductive member as described below 5 The other end of each of the retaining members 45 and 46 is determined by riveting and overlapping the front S 11 of the aperture surface of the main body 10 in the connecting member 31 c corresponding to the name members 31 and 32. The ends of the contact holders 45 and 46 are opposed to each other, and the B contacts 4 1 a and 4 1 b are arranged opposite to each other. Furthermore, the opening / closing device has two sides of the driving contact 42 a and 42 b in the thickness direction, and each of the &3; b walls is operated and maintained to release the 5 h on the 4 h to be arranged outside the end; more to make. Terminals Fixed connection 43 Drive 13 200529268 Contact 42a or 42b is based on opening / closing

The $ 3 device 43 swings while selectively touching the fixed contact 4 1 a or 4 1 b. gD P 'When the driving contact 42a is in contact with the fixed contact 41a, the driving contact is away from the fixed contact 41b, and when the driving contact 42b is in contact with the fixed contact from the fixed contact 41D, the driving contact 42a remote contact device 40 includes a contact member 47, ^ L 耨 is riveted to be fixed to a part of ^ ^ arranged along the aperture surface of the main body 10, and other surfaces, and is in the connecting piece 33c of the terminal piece. A support member 49 extends along the back of the connecting member 48 along the inside of the main body 10, and the inner edge of the flail 6 i Μ fairy piece 4 8 by the center shell 1 3 c The end edge extends inward. In the opening of the supporting member 39, the front supporting groove (not shown) of a V-shaped section is shaped to form an extension ^ L in a direction extending perpendicular to the supporting member 49. Here, the rear end of the connection 43 @% " is applicable so that the "edge of the opening / closing device is inserted into the supporting groove formed in the supporting member 4" and the opening and closing device 43 is pivotably moved in the supporting groove Aside. In each of the mother-middle-unit cell 13 of the main ship, a pair of holding walls 19 protrude forward to maintain the opening / closing device q. = Between the opposing surfaces of the holding wall 19, a ν-type rotation restricting groove is formed, into which a protruding piece 43a protruding from the side edge of the opening / closing device 43 is inserted. Therefore, the opening / closing device 43 is limited to the pivoting range by the rotation restricting groove 19a. A return spring 44 made of a coil spring is maintained between the opening / closing device 43 and the return handle 50. A spring piece 43b inserted into one end of the reduction spring 44 protrudes from the opening / closing

Duanzhong. The month of τ 罝 ^, J 14 200529268 The rest of the reduction spring 44 is inserted into the barrel portion 51 mounted on the back of the return handle 50. In the horizontal direction of the device's royal body 1, on the side of the turning handle 50, there is a 'protruding mink' rune dog 52, and the end of each supporting protrusion 52 is formed into a gradually iron key. ' I / Yi Kai). In the right and left sides of each-aperture window 23 formed on the bottom of the recessed portion 22 of the cover portion 20, a pair of bearing protrusions 24 series * a flange of the aperture window 23 protrudes forward. On the opposite sides of the two bearing protrusions 24, a right-to-air bearing recess 25 is formed, in which a supporting protrusion 5 2 of a turning handle 50 is inserted. 2 The bearing recess 25 causes the support protrusion 52 to swing at least at its front end. 'On both sides of the hand 4 in the longitudinal direction, one engaging claw 54a protrudes to the coupling claw 61a mounted in the front end piece (rear end piece) of the coupling leg 61 (FIG. 7) protruding from the back of the handle 60. Mesh. In the middle longitudinal direction of the coupling handle 54, a slit 54b is formed in which a rib 63 (Fig. 10) protruding from the back surface of the operation handle 60 is inserted. A contact rib 62 is formed on the back of the operation handle 60 so as to contact the front of the coupling handle 54. Therefore, the operation handle 60 can be attached to the coupling handle 54 without vibration. At the same time, the coupling handle 54 is formed so as not to interfere with the inner and lower surfaces of the recessed portion 22 of the cover portion 20 in the case of vibration. In the end portion of the cover 20 in the vertical direction, three conductive holes 28 are formed for transmitting light by the indicator light 71 of the indicator light block 70, and are horizontally separated from each other. A belt-shaped lens block 80 is installed in the front side of the cover portion 20, and it is included in a main body. The lens block 80 includes a lens portion 81, and an M-series is inserted into each of the conductive holes 28. Since μ_ ′ 〇P, the light from the indicator lamp 7 丨 is transmitted to the outside through the lens portion 81. Based on this, the lens block 8 is positioned on the handle 60 and between the peripheral surface of the operating panel 60 and the outer peripheral surface of the operating handle 60. According to the first and second embodiments, the rusted mirror portion 81 of the actuating indicator radiates the light of the indicator 71 to 外 ° of the outside ^, and is worn by the woman in a state of being attached to the operating handle 60 in the vertical direction of the device main body 1. It can be identified by the indicator light 71, regardless of the handle, the vertical position (upper or lower end). The operation indicator block 70 of T is installed in the main body of the device! In the exterior, the indicator light 71 'composed of eight neon lamps is reflected in the contact device: 〇Contains: -It emits light by conversion; a pair of wires 7 connected to the indicator light 71, and the contact line is limited The current resistance 72 is inserted between the side of the lead 71a and the side of the connection;-the lamp housing 73, the line 75 71 and the resistance 72 made of a synthetic resin mold, and-the connection line 75 is led from there; ^ Lamp connector 76, which houses a contactor in the synthetic resin product ": it can be in elastic contact with each-end electrical connection of the two parts 31, 32, and 31em of the connector. In the lamp housing In 73, a line of 75-71 insulation ribs separated by a pair of wires from the light line 71 are protruded by the = indicator and the-body, so that a pair of wires of the light line 71a can be easily maintained continuously, and other components must be used . Furthermore, according to the embodiment, the two terminal members 3 i between the three terminal members 31, 32, and 33 and a terminal connected to the end of the connecting wire 75 are actually constituted by a series A sub-component 16 200529268 3 1 and 32 are composed of outer wire connecting members, which are used for the wire 5 and the contact members 31a and 32a and the fixed lock members 31b and 32b. At the same time, the pieces 3 1 c and 3 2 c are composed of connecting line connecting portions 3 d and 3 2 d, and the rear end portion of a part provided along the partition wall 14 is connected to the connecting side. However, according to this embodiment, the external line connected to the external line 5 and the connection line connecting portions 3 1 d and 3 2 d connected to the end of the line 7 5 are connected to the terminal pieces 31 and 32 as the connection to each connection line 75 When the cable 5 is connected to the terminal pieces 31 and 32, it is not necessary to maintain the connection line 75 of the indicator block 70. Furthermore, the external line 5 can work regardless of the connection line of the indicator block 70. 7 5 is implemented for easy connection of outside line 5. In addition, since the connection line connection name 32d is formed as a part of the connection members 31c and 32c which are not easily deformed compared to the contact members 31 &, 32 & and the fixed lock member 32b, they are on the end side of the connection line 75. The contactor 77 of the connecting member 76 can be electrically connected to the connecting wire connecting portions 31d and 32d. In the right and left walls of the lamp housing 73, two openings opened at the front end thereof are provided in the vertical direction, and a bending member 73 is provided. It is provided between 73b, and the deforming member 73c is reversible in the thickness direction. The protruding portion 73d is protruded from the outer side of the front end portion of the f-curve member 73c. The protruding portion 73d is protruded from the back of the cover portion 20 and is formed by spraying outside the light-contact holes 2 of each pair of engaging members 2 "of the housing 29 For the lamp housing, the turning protrusion 73d is sprayed with the turning stroke formed on the light connector 29a by using the elasticity of ... In the child, the depressed connection is used to lift P 31d, 31b, to form a ground connection 73b. The two notches, one handle, and the connection portion 73 are assembled. The hole 29b is assembled to the cover portion 20 of the 20051268 device body 1. In this state, the indicator light 7i is opposite to the rear edge of the lens portion 8 !. Furthermore, in this embodiment, 40 is provided, which has a three-terminal piece 31 " port ^, and a terminal device as a group,

The operation handle 60 and the case fixing member µ having two sets of two consumable members 29a are installed in the same direction (horizontal direction of the device main frame i). In the device main body 1-The mis-insertion prevention rib 29c (Fig. 13) is applied to prevent the lamp housing 73 from being inserted between the opposite coupling members 29 & of the housing mounting portion 29, and the relative engagement members 29a are in the same direction In close proximity to each other. Therefore, the lamp housing 7 is prevented from being connected to the device main body at the wrong position]. At the same time, the engaging protrusion 73d t 'forms-slope on the lamp housing M, so that the protruding bar from the outer side of the f-curve & is smaller than the front side, so the coupling protrusion 73d can be easily combined to the coupling The coupling hole 29b of the connector 29a. In this embodiment, the coupling hole 29b of the coupling member 29a formed in the cover portion 20 is engaged with the coupling protrusion 73d formed in the lamp housing 73, but it can also be achieved by the connection member in the cover portion 20. A braided protrusion is formed in 29a and a connection hole is formed in the lamp housing 73, and they can be engaged with each other. In the contactor 77 connected to the up 76, the other end portion of a part protruding from the housing 76a is bent into a j-shape, and the contactor 77 is suitable for being along the connecting pieces 31c and 32c of the terminal pieces 3 1, 32. In the thickness direction of a part provided against the partition wall 14, the surfaces opposing the fixed locking members 31b, 32b are elastically contacted. According to this embodiment, in the back surface of the main body 10, an insertion recess 10a is formed at a position corresponding to each of the connection line connecting portions 31d, 32d, and the recess 5cb ^ 金 在 'by using The outer shell 76a of the connecting portion 76 is elastic, while the outer shell 18 6 029a is inserted. A connecting claw 76b protruding from the side of the housing 76a is connected to a fastening groove 10b connected to a code σ * $ via an insertion recess 10a. Therefore, the continuous shell 7 6 a of Qiu 7 can be easily inserted into the insertion recess 10a, and by inserting the housing 76a of the connection portion 7 6 into the insertion recess 10a, the contactor 77 is elastically contacted and connected. The wire connectors 3 1 d, 3 2 d, and then, the ends of the connecting wires 75 are connected to the connecting wire connecting portions 31 d and 3 2 d, so as to provide work for easy connection to the connecting wire connecting portions 31 d and 32 d. As described above, according to an embodiment of the present invention, each connecting portion 76 is connected to the terminal pieces 31 and 32 from the back side of the device main body 1, and a series circuit of a resistor 72 and a lamp 71 can be inserted in Between the fixed contacts 41a, 41b. The one-to-two opening system is mainly used to turn on / off the lights in the stairs. The three-way switch according to the embodiment of the present invention can be installed in a desired position, such as a step or down and operated on or down a step, to turn on / off the lights in the stairs. The connection relationship of this type of circuit is known, so it will not be described. (Exemplary Embodiment 2) A switch according to the first embodiment of the flute according to the present invention will be described with reference to Figs. 16 and 17. The basic structure of a switch is almost the same as that of the first embodiment, and the horizontal hp size of the main body 10 is about one third of the size of the main body 10 of the first exemplary embodiment, and the first and second embodiments and The first exemplary embodiment differs in that the contact device 40, the terminal strain u, the stem 31, 32, 33, the return handle 50, the return spring 44, the operation 19 200529268, the handle 60, and the indicator light block 70 are each provided with One. Meanwhile, the operation handle 60 according to the second embodiment is provided with a size which is approximately three times the horizontal size of the operation handle 60 of the first exemplary embodiment. The operation handle 60 has a size sufficient to cover a window hole 91 of a decorative plate 90. The other structures in the first embodiment are the same as those in the first exemplary embodiment. In Figs. 16 and 17, elements which are the same as those of the first embodiment have the same reference numerals. As described above, the embodiment of the present invention has been described with an example of a three-way switch, but the present invention is not limited to the three-way switch, and can be applied to, for example, a separate type switch. Furthermore, the contact change of the contact device 40 and the state change of the indicator light 71 are not particularly limited. This month has been specifically shown and explained with reference to its exemplified embodiments, but those skilled in the art can understand that there are various forms and details.

I: Two Γ can be completed without departing from the spirit of the invention and fc as defined in the scope of the following patent applications. [Brief description of the figure] Figure 1 has an external line. Figure 1 is a cross-sectional view illustrating an embodiment of the present invention—open connection to it; FIG. 2 is a cross-section illustrating the main components according to the p embodiment of the present invention. 20 200529268 Figure 3 (a) is a cross-sectional view of the main components of the switch, and Figure 3 (b) is an enlarged view of the main component A according to Figure 3 (a) of the first embodiment of the present invention; Figure 4 is An exploded perspective view according to the first embodiment of the present invention; FIG. 5 is a front view of the first embodiment according to the present invention;

Fig. 6 is a side view according to the first embodiment of the present invention; Fig. 7 is a cross-sectional view according to the first embodiment of the present invention; Fig. 8 is a cross-sectional view according to the first embodiment of the present invention; A perspective view of the first embodiment of the present invention; FIG. 10 is a cross-sectional view according to the first embodiment of the present invention; and FIGS. 11 (a) and 11 (b) are the main components of the switch according to the first embodiment of the present invention. Sectional view; Figure 12 is a front view of the main part with the cover part removed in the switch according to the first embodiment of the present invention; 21 200529268 Figure 13 is a rear view of the cover part according to the first embodiment of the present invention; FIG. 14 is a partial cross-sectional view of an indicator light block according to the first embodiment of the present invention; FIG. 15 is a perspective view of two terminal members according to the first embodiment of the present invention; and FIG. 16 is a second implementation according to the present invention An exploded perspective view of an example switch;

Fig. 17 is a front view according to a second embodiment of the present invention; Fig. 18 (a) is a rear view of a conventional switch, and Fig. 18 (b) is a side view of the conventional switch; and Fig. 19 is Plan view of indicator block of traditional switch. [Description of Symbols of Main Components 1 Device body 10 Body 10b Fastening groove 12 Insulating wall 1 3 ac Terminal shell 15 Wire insertion hole 19 Retaining wall 5 Outer wire 10a Insertion recess 11 a, b Assembly claw 13 Unit compartment 14 Compartment wall 16 Operation Slot 19a rotation limit groove 22 200529268

20 Cover 21 Assembly 22 Recess 22a Assembly hole 23 Aperture window 24 Protrusion 25 Recess 26 Stop 孑 L 27 Connection hole 28 Transmission hole 29 Shell mounting portion 29a Coupling member 29b Coupling hole 29c Error prevention rib 3 1 Terminal piece 31a contact 3 1b fixed lock 3 1c connector 31d connection wire connection 32 terminal 32a contact 32b fixed lock 32c connector 32d connection wire connection 33 terminal 33a contact 33b fixed 33c connector 34 release body 34a compression Piece 34b joystick 40 contact device 41a fixed contact 41b fixed contact 42a drive contact 42b drive contact 43 opening / closing device 43a protruding piece 43b spring piece 44 restoring spring 45 holder 46 holder 47 contact 48 connector 49 support 50 Swing handle 51 Bucket portion 52 Support protrusion 23 200529268

53 Step piece 54 Coupling handle 5 4a Clamping claw 54b Slit 60 Operating handle 61 Coupling foot 62 Contact rib 63 Rib 70 Point or light block 71 Indicator light 71a Lead 72 Resistance 73 Lamp housing 73b Notch 73c Bending piece 73d Coupling Connection protrusion 75 Connecting line 76 Connecting portion 76a Housing 76b Connecting claw 77 Contactor 80 Lens block 81 Lens portion 90 Decorative plate 91 Window hole 92 Stopper 100 Device body 110 Body 120 Cover 127 Hole 130 Post terminal 131 Frame 132 Terminal screw 160 Operating handle 170 Finger light block 171 Indicator light 173 Light housing 175 Cable 24

Claims (1)

2Ό0529268 The scope of patent application: • 1 • A switch, which includes at least: a device body that houses a contact device; most terminals are electrically connected to the contact device for connection to an external line; an operating handle is installed on The front side of the device body is used to perform the contact conversion of the contact device; and • an indicator block is installed outside the device body and includes an indicator light to emit light and a pair of connecting wires in response to the contact conversion of the contact device Connected to the indicator, among which a terminal to be connected to the connecting line is provided with an external line connecting portion for connecting to the external line, and a connecting line connecting portion for connecting the end of the connecting line . 2. The switch as described in item 1 of the scope of patent application, wherein the indicator lamp block includes a lamp housing made of a synthetic resin mold and the indicator lamp is narrowed therein, and the connecting line is led out there, and the lamp The housing is coupled to the device body by engaging a coupling hole in a coupling member installed in one of the lamp housing and the device body and a coupling protrusion installed in the other of the light housing and the device body. 3 · The switch as described in item 2 of the scope of patent application, wherein the contact arrangement, the terminal device having a plurality of terminals as a group, the operating handle, and the shell mounting portion having a group of two light connectors can be in the same direction respectively. In the middle, three 25 200529268 units are installed side by side to insert the same; ^ between pieces. And the device main body includes a mis-insertion prevention rib to prevent the opposite coupling of the shell mounting members adjacent to each other. 4. As the switch of the patent application No. 2 + Time Hall fans, the lamp housing contains an insulation rib. In order to separate the indicator-pair wiring. 5 · The terminal piece arranged in the main body of the device as described in item 1 of the scope of patent application is a switch inserted by a wire passing through the main body of the device, wherein the terminal is one ampere and includes a contact piece, which is connected with the through hole The outer wire of the main body of the device is introduced for elastic contact; a certain lock member is used to hold the outer wire between the fixed lock member and the connecting member and is pressed in the direction of the contact member for contact between the contacts; and a connecting member for connecting the contact member And the fixed lock member, and the outer line connecting portion is formed by the contact member and the fixed lock member, and the connecting line connecting portion is formed by the connecting member. 6. The switch according to item 5 of the scope of patent application, wherein the indicator light block includes a connection portion 'received in a housing, and the contactor is electrically connected to the end of each connection line and can elastically contact the The connection line connection portion 'and the device main body include an insertion recess formed at a position corresponding to the connection line connection portion. The casing is inserted into the insertion recess by using the elastic force of the casing, and a protrusion protruding from the side of the casing. The connecting claw is engaged with the engaging groove communicated with the insertion recess. 26 200529268 7. The switch according to item 1 of the scope of patent application, wherein the device main body includes an indicator for radiating the light of the indicator light to the outside, and the indicator is installed to be attached to the operation handle. 27