TW477993B - Piano key-type switch - Google Patents

Abstract

A kind of piano key-type switch is disclosed in the present invention. This switching main body is formed by accommodating a push button key, which is installed on its front surface to perform press operation, and a switching mechanism part, which reverses alternately a contact whenever the press-button key is operated, in a housing capable of being mounted on a mount frame used in an embedded type wiring-instrument. Terminals formed by terminal screws and nuts are respectively accommodated in two accommodating chambers. The body is provided with an electric wire insertion opening and via-holes for screws, which face head parts of the terminal screws. The invented piano key-type switch is capable of increasing connection reliability and the capacity of the electric current compared with the conventional constitution.

Description

477993

The present invention relates to a key switch using a key switch. Close the main kappa surface 2 There are buttons that can be pressed. The second part is attached to the main body of the switch and j: the former is the key to configure the keys. The keys Η -The end is used as a fulcrum to press into another: 4 = and the operating surface of the key is more than the operating area of the button, so b is used to press the part other than the finger. However, as shown in FIG. 153, the switch body} is configured so that the switch 5 can freely swing the body 5. The contact ^ is reversed by the swing of the reverse key 31. Further, in the reverse key 31, the The mechanism department transmits the pressing operation of the $ button 32. Whenever the button 32 is pressed, the reverse key 31 is alternately shaken in the opposite direction. The switch mechanism portion composed of the upside-down key 3 and the contact is housed in the center portion of the body 5 in the left-right direction, and the terminals are housed on the left and right side portions of the body 5 with the switch mechanism portion interposed therebetween. The terminals include 3-shaped terminal plates 18 and 15 and hold the electric wires inserted into the body 5 through the wire insertion openings 13a, 14a (see FIG. 154) opening to the rear of the body 5 (lower side of FIG. 153) on the terminal plate 18. , 15 Springs between 1, 9 and 16. That is, as long as the terminal is inserted into the wire insertion openings 13a, 14a ', the lock springs 19 and 16 can be used to fix and connect the wire, which is called a quick-release terminal. The device body 5 is a combination of a body 5b with a front opening of the trough switch mechanism and a cover 5a with a rear opening extending a part of the snap button 32 to the front. The terminal plate 18 and 15 and a latch spring 19, 16

5. Description of the invention (2) The terminal is also housed in the body 5b. But 疋, although the key switch wire insertion ports 13a, 14a can be used with a lock ^ = = electric wire is inserted for electrical fixing and connection, the construction is relatively simple, the furnace due to ^ 19, 16 for the wire plate, 5 and lock buckle There is a defect that the current flowing between the springs 19 and 16 only inserts the electric wire into the terminal. In order to make it relatively large in view of the existence of the problem, a large capacity provided in the past is provided. There is a key switch on the front, which includes-one pressing operation will make the contacts alternate. Turn the switch body inside each button of the u button; install the device on the housing in the direction of the second button. The second button will be arranged on the second button of the button. To the device body and make its back contact the terminal board according to two pounds: In order to be able to press the wire on the daughter board by rotating the terminal screw, the current capacity can be increased compared with the conventional structure. The key switch of Ming 2 belongs to the present invention

On the body, a wire insertion port of K and a head surface of the terminal screw * green drum% +, and holes are penetratingly provided on the adjacent surface of the body, and the terminal plate is inserted through the through The terminal screw * * The terminal screw is not provided with a clamp for holding an electric wire inserted from the electric wire insertion port between a system screwed to a front end portion of the terminal screw. V. Description of the invention (3) By inserting an electric wire from the electric wire insertion port, passing through the through hole for the screw, and rotating the terminal screw, the terminal board can be used only by tampering from the outside of the device body. Since the pressing piece and the nut hold the electric wire in a straight line, the second electrode is equal to f, and the current capacity can be increased by a homophoxide that improves the connection reliability compared with the conventional structure. The key switch of Guan Shiben ^ Ming 3 is the key switch of the present invention 2. The through hole for the screw is penetratingly provided in the recess provided on the container body. In addition to the effect of the present invention 2, the terminal screw can be prevented from protruding from the body. The key switch of the fourth aspect of the present invention is the key switch of the first aspect of the present invention. The terminal screw is installed on the t & μ n in the form of winding the electric wire. In addition to the role of the wire, the connection strength of the electric wire can be improved. The key switch of the type 本 f f5 is a single-pole single-throw contact configuration of the key-type opening contact according to the present invention. It has the same effect as the present invention 1. Guan Zhongben: Key switch, which is a key-type switch according to the present invention. The contact structure of the three-way switch for unipolar switching is the same as that of the present invention. The key-on opening of Guan Zhongben No. 2 is the key-on opening structure according to the present invention. The contacts of the present invention are provided as contacts for a two-pole single-throw two-pole switch, and are said to have the same function as the present invention. The key switch of the eighth aspect of the present invention, which is connected to the 0, π i ΑΡ close, is the relay, +, and off. The key type open contact of the first aspect of the present invention is set to 4 for unipolar switching. Contacts for road switches 477993

5. Description of the invention (4) Composition. It has the same effect as the present invention 1. The key switch of the ninth aspect of the present invention is the key switch of the fifth or sixth or eighth aspect of the present invention. The position indicator that lights up for indicating the position is housed in the device, and the position indicator is simultaneously indicated. An indicating portion of the light of the lamp to the outside is provided on the key. In addition to the effects of the invention of 5 or 6 or 8, the position of the key switch can be more easily confirmed in a darker environment by using the light of the position indicator. The 10-key switch according to the present invention is the key-switch according to the present invention. The mounting housing is a rectangular 7-shaped housing with a through hole in the center, and 3 along the long side. A set of appliance mounting parts, the outer dimension of the short side of the device body is formed by about one third of the long side direction of the through hole, and the device body is installed in a group of the central part of the mounting housing On the mounting part of the device I, an opening window having a longer and wider opening than the through-hole size is provided on the other side of the mounting case 俨 乂, ^ ^ " 4 ·, the plate of the mouth a is formed in a size close to the size of the entire closed window of the opening plate ^, u ^ and the keys are in the center of the mounting housing # μ π 4 / n The form in which the centers of the bodies face each other is outside the μ-like effect inside the opening of the plate, even when the keys are pressed. In addition to this, you can also use two toilets. ^ When using one switch body or three switch bodies, you can use a mounting case with common patterned holes β ^ ^., ^ A ^ body M and a plate having a common pattern of opening windows can therefore be used for common parts. The key bucket of the present invention 11 / Μ 关 Ψ, so, f — # θ Λ switch, which is the case for women's housing in the key switch according to the present invention y »+ _ι_ body, along the length In the side direction, a rectangular shell with 3 through 疋 Λ sections and through-holes is provided, and the component is contained, and the short side of the device body is 477993. V. Description of the invention (5) The outer dimensions are according to the long sides of the through-holes. It is formed about one-third of the time, and at the same time, the device body is respectively mounted on two sets of appliance mounting members at both ends in the longitudinal direction of the mounting case, and is provided on the front side of the mounting case. A plate having an opening window that is longer and wider than the size of the through hole, and each of which closes the half of the opening window range of the plate to form the keys. The keys are arranged in the opening of the plate so that the center of each key and the center of each body face each other. In addition to having the same function as the present invention 1, even when two switch bodies are used, a mounting housing having a common pattern through hole and a common pattern when using one or three switch bodies can be used. The opening window plate can be used for common parts. The 12-key switch of the present invention is the key switch of the 1-key switch according to the present invention. The mounting case is a rectangular case with a through hole in the center, and three sets of appliances are provided along the long side. Mounting parts, short sides of the body

The external dimensions are formed in about one-third of the longitudinal direction of the through hole, and at the same time, the weaving body is respectively mounted on the three sets of appliance mounting parts of the mounting housing 'in front of the mounting housing A plate having an opening window longer and wider than the size of the through hole is provided on one side, and the keys are formed in a size of one third of the range of the opening window of the plate, respectively. The keys are arranged in the opening of the plate in the direction of the long side of the body such that the center of each key and the center of each body face each other. In addition to having the same effect as the present invention 1, even in the case of using a 31 switch body, it is possible to use a mounting housing having a common pattern through hole when using one or two switch bodies and a common pattern. Opening

477993 V. Description of the invention (6) The window plate, and the generalization of components. The graph is split into two. The Ming style said that the main mouth 0-QT ^ 'i mouth is briefly opened as "tgu # Fuqi and the figure attached with the opposite figure of the building spoon 16 1 style. 1 2 Tutu Tutu Low white / 3 front, hit the honey master a 幺: 1: a 幺: 1: Open the AMV spoon on the same table as shown in the table is 3 4 See left / ^ Mv / OV Aw / Η. Master 9 主 0: aR 9 trunk, 9 ^-Bif0 ^ / ^ Μν / ον Ay Aw The right section of the AMV AMV / 0/0 body master aw 3¾ is shown in the upper and the same diagram is a 7 8 figure. The front view of the front and rear key cover is 3 divided U dismantling, the above table of the main body is / (V QU 11 Figures are attached with β — it mouth ιά 4Η The above table is a view of the post-installation installation. The keyboard is clearly illustrated It is said to be fcfe ^ prry spoon spoon / 9 same as above) bbb 、 、 Γν aa ， 1-12 1i 11 The figure illustrates the separated state of the split. The key is clear. Qin talked about a fcfc 闬 rt / on the top, the same is the same on the bb and f, is aa 7 3 4 5 1- Η 1 × -1 picture picture picture picture picture Ί 一 ▲ 1X f ▲ picture图 图 图 ο 2 Figure 3J dhn on ΘΝ QHN Month and month Ht; Month and month are on ,,,,, / ον / ^ Μν spoon spoon spoon frr ^ fTT * sfTT / OM Same, same, yes, yes, yes, yes, map, left, ^,) / 0V ^ frr The state of the lower state is used to use AMV AMV Λ3. / 3. -8 · 11 · See the picture, see the picture, one right back down spoon / 0 / & / 0 down and down state is very big dn dn is used to make Αν AMV AMV AR / 0 00 fvl: i8- "] fvu * -』鐽 Chain Chain Qin Qin

Page 9 477993 V. Description of the invention (7) Fig. 21 is a bottom view of the same state under the use of a key. Fig. 22 is a front view showing a key used in the same manner. Fig. 23 is a sectional view taken along the line C-C in Fig. 22. FIG. 24 is a perspective view of a key of the same. FIG. 25 is an exploded perspective view of a key of the same. FIG. 26 is an exploded perspective view of the brand-name cover, door, and card. Fig. 27 (a) is a rear view of the famous brand cover, and (b) is a side sectional view of the famous brand cover, door, card, door, and card. Fig. 28 is an exploded perspective view seen from the back side of the same key. FIG. 29 is a perspective view seen from the back side of the same key. Fig. 30 is a side sectional view cut away from a part of the same key. Fig. 31 is a perspective view showing a key used in the same manner. Fig. 32 is an exploded perspective view showing a key used in the same manner. Fig. 33 is an exploded perspective view of the same state in a state of using two keys. Fig. 34 is a front view of the same state in a state of using two keys. Fig. 35 is a left side view of the same state in a state of using two keys. FIG. 36 is a right side view of the same state in a state of using two keys. Fig. 37 is a rear view of the same state in a state of using two keys. Fig. 38 is a top view of the same state in a state of using two keys. Fig. 39 is a bottom view of the same state in a state of using two keys. Fig. 40 is a front view showing the keys used in the same manner. Fig. 41 is a sectional view taken along the line C-C in Fig. 40.

Page 10 477993

FIG. 42 is a perspective view of two keys of the same. FIG. 43 is an exploded perspective view of two keys of the same. FIG. 44 is a perspective view of two keys of the same. FIG. 45 is an exploded perspective view of two keys of the same. Fig. 46 is a perspective view of the same state in a state of using three keys. Fig. 47 is a front view of the same state in a state of using three keys. Fig. 48 is a left side view of the same state in a state of using three keys. Fig. 49 is a right side view of the same state in a state of using three keys. Fig. 50 is a rear view of the same state in a state of using three keys. FIG. 51 is a top view of the same state in a use state using two keys. Fig. 52 is a bottom view of the same state in a state of using three keys. Fig. 53 is a front view showing the keys used in the same manner. Fig. 54 is a sectional view taken along the line C-C in Fig. 53_. FIG. 55 is a perspective view of three keys of the same. Fig. 56 is an exploded perspective view of the three keys of the same embodiment. FIG. 57 is a perspective view of the three keys. FIG. 58 is an exploded perspective view of three keys of the same. Fig. 59 is a longitudinal sectional view showing the same embodiment. Fig. 60 is a transverse sectional view showing the same embodiment. Fig. 61 is a view showing a plate used in the same embodiment. Fig. 62 is a side view showing a part of the board used in the same embodiment as being worn. Fig. 63 is a rear view showing a plate used in the same embodiment.

477993 V. Description of the invention (9) Fig. 64 is a bottom view showing a plate used in the same embodiment. Fig. 65 is a front view showing a plate used in the same embodiment. Fig. 66 is a side view showing a part of the plate case used in the same embodiment as the above. Fig. 67 is a rear view showing a plate case used in the same embodiment. Fig. 68 is a sectional view showing a plate case used in the same embodiment. Fig. 69 is a front view showing a decorative plate used in the same embodiment. Fig. 70 is a side view showing a part of the decorative panel case used in the same embodiment as above.

Fig. 71 is a rear view showing a decorative plate used in the same embodiment. Fig. 72 is a plan view showing a part of the decorative panel case used in the same embodiment as above. Fig. 73 is an exploded perspective view showing a second embodiment of the present invention. Fig. 74 is an exploded perspective view showing a switch main body; Fig. 75 is a front view showing the switch main body as described above. Fig. 76 is a bottom view of the switch main body; Fig. 7 is a rear view showing the switch main body; Fig. 78 is a left side view of the switch main body;

Fig. 79 is a right side view of the switch main body; Fig. 80 is a cross-sectional view showing the switch main body; FIG. 81 is a front view of the switch main body after the cover is removed. Fig. 8 2a and b are operation explanatory diagrams of the same. Fig. 8 3a and b are operation explanatory diagrams of the same. Fig. 8 4a and b are operation explanatory diagrams of the same.

Page 12 477993 V. Description of the invention (ίο) Figure 77 The main body of the Wujiao split body. Open the picture! Ming 3 Example of the implementation of the actual operation AMV The white seal is issued with the same form b, yes a First> 5 6 8 8 Figure Figure 8 8 8 9 9 9 9 9 9 9 9 9 9 Figure B Figure B Figure 9 ^ frr ® ^ s lord lord lord 3cl ^ afclKJ 3 ^ 7 a " J9 stem, a stem, fnifa ^ g ^ spoon / ^ ίψ ", w / 0 > 9 »& same as above The table is shown in the following figure: / ov / ov #ov 白 / 3. AR f! 3. Moderator AfclPJ ar ^ 7 ατ ^ Γ nl ^ r B, f3 ^ 3 ^ Spoon / ον / 3. Ar ^ frr The above table is the same as the table shown below. The table is the child of the front and back of the picture. 0 The picture shows the dissection of the body. 46 Open the actual spoon A, W, AR Ay, and the same as the instructions shown in this table. The table is a diagram of the separated body main body a diagram mm figure stereo vision front AMV AMV white body body master ftu Etu , Spoon / 3. / 3. The table shown above is a diagram of the view / ov 6V / 0 Aw hits the main master Θ ^ Ν a ^ N Γττ ^ 3 ^^ 3 Khan, ofl. Scoop Aw Ay The same as the above table shows the picture is left and right / OV scoop / 0 AW ceremony S Master Master 3 ^ v, a " Ja ^ J, fn ^ Scoop / 0 ar The same table shown above is 11 ο ο 11 1i 丄 Pictures are the last sons. The cover shows the main body of the body. A " Ja " J Spoon ^ fTT * sfTT The same table shown above is 2 3 ο ο 1X-< Figure Figure ο ο ο ο ο上-上 I < li 丄 1-- A Figure 5 Figure 5 illustrates the main body opening of the split body 5 cases See the figure of the body's body. See ## MV / 0 yfir S, the main master of the honeycomb 9, θ ^. B, ffn, f / 9 ^ fTT

Page 13

477993 V. Description of the invention (11) Fig. 108 is a rear view showing the main body of the switch. FIG. 109 is a left side view of the switch main body; FIG. 110 is a right side view of the switch main body. FIG. 11 is a cross-sectional view showing the switch main body; Fig. 112 is a front view of the same switch body with the cover removed. Fig. 113 is a circuit diagram showing the internal circuit of the same embodiment. Fig. 114 is a perspective view showing one key of the same embodiment. FIG. 115 is an exploded perspective view showing one key of the same. FIG. 1 16 is a perspective view seen from the back side of the same key. FIG. 11 is an exploded perspective view of the same key as viewed from the back side. FIG. 11 is a perspective view of the same key viewed from the back side. FIG. 11 is a cross-sectional view of the same key. Fig. 120 is a perspective view of a key of the same. FIG. 121 is an exploded perspective view of a key of the same. Fig. 122 is a perspective view of the two keys as described above. FIG. 123 is an exploded perspective view of the two keys as described above. FIG. 124 is a perspective view of two keys of the same. Fig. 125 is an exploded perspective view of the two keys as described above. FIG. 126 is a perspective view of the three keys. FIG. 127 is an exploded perspective view of the three keys as described above. Figure 1 2 8 is an exploded perspective view of the three keys from the same side as above. Figure 0

477993 V. Description of the invention (12) Figure 1 2 9 is a cross-sectional view of the three keys above. Fig. 130 is a sectional view of the three keys as described above. FIG. 131 is a perspective view of the three keys. FIG. 132 is an exploded perspective view of the three keys as described above. Fig. 133 is an exploded perspective view of a switch body according to a sixth embodiment of the present invention. Fig. 1 34 is a perspective view showing the switch body as described above. Fig. 1 3 is a front view of the switch main body. FIG. 1 3 is a bottom view of the switch main body. Fig. 1 7 is a rear view showing the switch main body as described above. FIG. 38 is a left side view of the switch main body; Fig. 1 39 is a right side view of the switch main body. FIG. 140 is a cross-sectional view showing the switch main body. Fig. 141 is a front view of the same switch body with the cover removed. Fig. 142 is a circuit diagram showing an internal circuit of the same embodiment. FIG. 43 is an exploded perspective view of a switch body according to a sixth embodiment of the present invention. FIG. 44 is a perspective view showing a switch main body as described above. FIG. 145 is a front view showing the switch main body; FIG. 46 is a bottom view of the switch main body. FIG. 47 is a rear view of the switch main body. Fig. 48 is a left side view of the switch main body; FIG. 49 is a right side view of the switch main body. FIG. 1 50 is a cross-sectional view showing the same switch body. Figure 15.1 is a front view of the same switch body with the cover removed

Page 15 477993

V. Description of the invention (13) Fig. 0 Fig. 152 is a circuit diagram showing the same internal circuit as above. FIG. 153 is a cross-sectional view showing a conventional example. And FIG. 154 is a rear view of the same. In the above drawings, 1-switch, ^ ^. 1. ^ 1 off the main body; 5- organ body; 5 b- body; aa- 盍 子, 15-terminal plate; lcu, piece; 32-press button; 18 a terminal board; 18 b_compressed 316_nut; 317-terminal cicada; 3i4a—through hole for screw; — >, peak nail, 31 9-nut ·, 32 terminal screw. Embodiment 1 An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 15, “the key switch of this embodiment includes: a switch body 1 ′ having a snap button 3 2” and each time a pressing operation is performed, the contacts are inverted, and the switch body 1 is oriented in a direction relative to the front of the switch body 1 ( The upper part of FIG. 5) is provided in the form of 'the end is pivotally mounted on the switch body 1 and at the same time, the key 43 of the button 32 can be pressed. The body 5 of the switch body 1 has a rectangular case shape, and is held by a mounting case 2 having a through-hole 2a for women. Further, plates (plate case 120 and decorative plate 130) having opening windows 120a, 130a longer and wider than the through holes 2a of the installation case 2 are overlapped on the front side of the installation case 2. The mounting case 2 has three sets of appliance mounting holes 2b as appliance mounting members in the longitudinal direction. In the following, the switch body 1 will be described first with reference to FIGS. 1 to 9. The body 5 of the switch body 1 is a rectangular parallelepiped, and is formed by a body 5b which is a front surface of a synthetic resin molded product and a cover 5a which is open at the rear side of the body 5b. That is, the rear edge of the short side walls of the cover 5 a is provided to extend rearwardly.

P.16 477993 V. Description of the invention (14) Mounting piece 3 combines the body 5b and the cover by combining the mounting holes 4 provided on the mounting piece 3 with the mounting protrusions 6 formed on both sides of the short side of the body 5b. 5a. On the mounting protrusion 6, a smaller inclined surface 6a is formed as it approaches the cover 5a to protrude from the body. As long as a force is applied to bring the cover "close to the body 5b, the mounting piece 3 can be simply coupled to the mounting protrusion. It is made up of 6. The short side dimension of the body 5 is formed in a size that can be installed in three mounting cases used in the construction of an embedded plastic wiring device called a large-angle connection type (refer to js C8304) during construction. That is, The longitudinal dimension of the through-hole of the mounting housing 2 is set to be the same as the longitudinal dimension of the through-hole of the mounting housing used in the construction of the embedded wiring device. Therefore, the switch body 1 shown in this embodiment is the same. The short side dimension of the body 5 is about 1/3 of the long side dimension of the through hole 2a of the mounting case 2. This dimension is called "a modular size" like the large-angle connection type wiring device. In addition, The longitudinal dimension of the body 5 is approximately equal to the sister dimension of the through hole 2a. Each side of the longitudinal direction of the cover 5a forming the front portion of the body 5 is provided in pairs and can be combined to surround the mounting housing 2. The appliance mounting hole 2b on the part of the through hole 2a The mounting claws 11a and 11b are combined with the mounting claws 11a and 11b to the appliance mounting hole 2b, so that the device body 5 is held by the mounting case f2. On one side wall in the longitudinal direction of the cover 5a, an open end is formed. Two cut-in grooves 11 c in the front-back direction, and a space between the two cut-in grooves 11 c ^ # forms a flexible flap lid having flexibility in the thickness direction. A cavity is formed on the back side of the tab 11 d in the cover 5 a. 12. By bending the flexible piece 11d toward the inside of the cover 5a, the mounting claw 1 1a can be elastically retracted from the side of the cover 5a.

Page 17 477993

Therefore, insert the mounting claw I 1 provided on one side of the cover 5 a in the long side direction into the appliance mounting hole 2 b of the ladies' body 2, and at the same time, elastically retract the mounting claw 1 1 from the side of 盍 = 5a, such as Insert the device body 5 into the through hole 2a of the mounting hole 2, the mounting claw 11 a is inserted into the device mounting hole 2 b, and the device body 5 is held by the mounting housing 2-a. If the flexure Ud is pressed into the cover, the claw is installed丨 丨 a is detached from the appliance & mounting hole 2 b, and the device body 5 can be removed from the mounting case 2. A pressing protrusion 11 e ^ is provided on the outer side of the end 邛 of the flexure II d k in order to easily press the flexure ^ 1 d. As will be described later, the mounting case 2 is mounted on a construction surface such as a wall surface, like the embedded wiring device, and the rear portion of the device body 5 is buried in the construction surface.

-However, the internal space of the body 5 b is divided in the longitudinal direction into 3 to 2 sides to form a storage room for receiving terminals 丨 3, 1 4 formed in the central part and a central storage room 2 3 for the switch mechanism part. . In the terminal accommodation room 3, f = a terminal consisting of a cymbal plate 18, a terminal screw 3 1, and a rectangular nut 3 1 9 screwed to the terminal screw 3 ^ A known f5; in the terminal accommodation room In 1 $, f = a terminal composed of a daughter board 1 5, a terminal screw 3 2 1, and a rectangular nut 316 screwed to the terminal screw 3 2 January P. Further, as shown in Figs. 5 and 8, the rear wall of the body 5b corresponding to the terminal valleys 13 and 14 is provided with a pair of wire insertion ports 13a and 14a penetrating therethrough. Further, recessed portions 3 1 3, 314 are formed on both sides of the body 5 b in the longitudinal direction corresponding to the terminal accommodation chamber 13 1 4. The recessed portions 313 and 314 penetrate through the heads provided with the terminal screws 317, respectively. Through holes 313a, 314a for screws. In other words, Zhizi ', needles 3 1 7, 3 2 1 so that their heads face the through holes for screws 3 1 3 a, 3 1 4 a; type knives are housed in each terminal accommodation room of the body 5b Within 13, 14.

477993 V. Description of the invention (16) That is, the electric wire insertion openings 1 3 a, 1 4 a and the screw through holes 3 1 3 a, 3 1 4 a are formed on adjacent faces. Furthermore, since the through holes 31 3a and 314a for the screws are formed in the recessed portions 3 1 3 and 3 1 4, the terminal screws 317 and 321 can be prevented from being removed from the body 5 in a state where the terminal screws 3 1 7 and 3 2 1 are loosened. Stuck out. On the other hand, each of the terminal plates 18, 15 has front pieces 18a, 15a, and is located behind the front pieces 18a, 15a, penetrates the terminal screws 317, 321, and rotates the terminal screws 317, 321 to tighten the terminal screws. The clamps 18b and 15b of the electric wires inserted from the electric wire insertion ports 13a and 14a are clamped between 317 and 321 and the nuts 319 and 316. Here, U-shaped insertion grooves 18g and 15g are formed in the pressing pieces 18b and 15b so as to open at one end and penetrate the terminal screws 317 and 321. Set the positional relationship between the terminal plates 18, 15 and the wire insertion openings 13a, 14a and the length dimensions of the terminal screws 317, 321 so that the terminal screws 3 1 7, 3 2 1 are not loosened. The electric wire of the 14a introducer body 5 is inserted between the pressing pieces 18b and 15b of the terminal plates 18 and 15 and the nuts 319 and 316. Therefore, in order to connect the wires to the terminal plates 18 '15, insert the wires from the wire insertion openings 1 3 a and 1 4 a of the body 5 through the screw through holes 313 a and 314 a, and use the front end of a tool such as a screwdriver. By rotating and tightening the terminal screws 31 7 and 321, the distance between the nuts 319 and 316 and the pressing pieces 18b and 15b of the terminal plates 18 and 15 is shortened accordingly. As the electric wire is clamped and fixed, at the same time, the core wire of the electric wire is electrically connected with the terminal plates 丨 8, 15. But it is not just inserting wires like conventional speed-type terminals 'connect terminal plates 18, 15 and wires by tightening terminal screws 317, 321', so it can improve the performance of electrical connection compared with speed-type terminals and flow a larger current . To obtain electrical connection as a wire in a terminal of this configuration

V. Description of the invention (17) _ —_ The performance required for the connection state and the electrical connection state. The wire insertion amount of 1 3 a, 1 4 a is maintained. It is necessary to make the wire insertion port recognize that the amount of stripped insulation cover is 1 Therefore, in order to make sure

, * Ο 疋 5 in the nozzle N slot 22. When peeling the insulation coating, you can set the positioning of the back of the bb, the spring, and the spring to confirm the amount of the insulation covering to be stripped. In addition, #, 4, and the positioning grooves 22 and 314a are used, and the through holes 313a, 317, and 32i are used for the screws, such as a slotted screwdriver. The distance between the nuts 319, 316 and the terminal gas and the terminal screw 15b If it is increased, the wire will fall off in the state of holding the wire 18, and the pressing piece 18b. < Weak, so the contact holding piece 18d of the terminal board 丨 chamber 23 accommodated in the entrapment 13 is integrated, and the fixed contact 25 is inserted into the central receiving part. Moreover, the front end M of the terminal holding piece 18d is extended to the central storage room 23 :::: ^^^^ m. The front end 2 is formed along the inner peripheral surface of the rear wall of the central storage room 23: a branch piece 15e. It is provided on both sides of the middle part of the contact piece 15d. The movement of the terminal plate J 5 can be controlled in the longitudinal direction of the body 5b. The rear end of the switching element 24 constituted by a plate-shaped plate contacts the support piece 15e. Protruding portions 28 are provided on both sides of the rear portion of the switching element 24, and the protruding portions 28 are provided on the front side of the central storage chamber μ to insert the v-shaped position regulating recesses 27. Therefore, the rear end of the switching element is in contact with the support piece 1 5 e, and the rear edge? The center rotates within the range of the position regulating recess 27. The switching element 24 is disposed so as to face the direction of the contact holding piece 18d, and at a position opposite to the direction of the fixed contact 25 provided on the contact holding piece 18 (1), a contact 100 is formed together with the fixed contact 25 Movable contact 29. That is, by turning the switching element 24, the movable contact

477993 V. Description of the invention (18) Point 2 9 is connected to or disconnected from fixed contact 25, and the state of electrical connection between terminal board 5 and terminal board 18 can be selected. In short, in the present embodiment, the contacts 1 of a single-pole single-throw single-pole switch (so-called single-pole switch) for arranging the fixed contacts 25 and the movable contacts 29 are arranged one by one. For example, the contact 100 can be inserted between the power source and the load, and used as a unipolar switch that provides power to the load. Each of the pair of electric wire insertion holes 3a, 14a is electrically connected to the same terminal plates 18, 15 with electric wires inserted from the electric wire insertion ports 13a, 14a, respectively. That is, the electric wires inserted from the two wires inserted through the through holes 1 3 a corresponding to the terminal board 18 accommodated in the terminal accommodation room 丨 3 and the terminal boards accommodated from the corresponding terminal accommodation chamber 14 can be switched at the same time. The two wires inserted into the through-hole 4a are conductive or non-conducting. Therefore, one of the pairs of wires inserted into the through-holes 13a, 1a can be used as a wire insertion hole for transmission wiring to make f. Here, in order not to raise the terminal plates 丨 8, 丨 5 to the side of the cover 5 ^, a pressing protrusion 53 is formed on the inner peripheral surface of the cover 5a to contact the front pieces 18a, 15a of the terminal plates 18,15. . At a proper position behind the body Sb, there are provided surface descriptions 56 indicating the structure of the contacts, a symbol indicating the type, and a rated capacity. In the material forming the body 5b, a silicon-containing inorganic compound or a silicon-containing pigment is mixed, and the surface description 56 is colored according to a field beam, thereby obtaining surface description 56 ^^. In forming such a surface description 56, using a properly selected pigment: colored material, even using a laser beam with a lower power can produce a clear contrast effect. But 疋 ’contact 100 and the flip provided for turning the switching element 24

477993 V. Description of the invention (19), the flip key 31, the snap button 32, the slide cam 33, and the recovery spring 37 form a switch constituting part. The turning spring 30 is a screw turn two == the elastic base seat located at the front edge of the opening element is opened. And the tube M which is closed at s and opened at the back of the turning key 31 is a hemp = the turning key 31 passes A through-hole 52 ′ provided through the cover 5 a is provided, and a front end portion thereof is exposed in front of the cover. It is called J Kai :; the flip key 3 1 on both sides of the middle part is provided with a pointed front end:: a shape of a fulcrum protruding 3lb, the sides of the through hole 52 are the same ~ the same open bearing section The 50-axis fulcrum projection 31b is provided with a flip key 31 relative to the second part. That is, the front end of the flip key 31 is inserted into the through hole 52 of the shuttlecock 5a, and the fulcrum = the receiving part 50 'is used to allow the flip key 31 to swing freely with respect to the cover 5a. As described, the flip key 31 is connected to the switching element 24 3 1 through the flip spring 30 and the flip spring 3 is turned. In the rocking range, it is compressed to the greatest extent.

: The direction of the second force is reversed, and the elastic force of the revolver is rapidly moved to open J ^ However, in the flip key 31, two sides of the cover 5a exit portion are provided through the through-hole 52 to protrude forward with the sliding cam M. From 34. The structure of the sliding cam 33 is as follows: When pressing the ::,: press, 32, make it double as follows: move it in the plane that includes the turning key 31 in the direction of swing, and move along the snap button = / month. The configuration of the slide cam 33 will be described later. The snap button 32 has guides that protrude toward the rear end portions of both outer sides of the long side. Page 477993 The projections 36 are formed by guides formed on the inner peripheral surfaces of both sides of the recess 5i of the cover " A guide protrusion 36 is inserted into the guide groove 35 to make it move freely in the front-rear direction and prevent it from being pulled out forward. A protrusion 32d is provided at the back of the button 32, and a recovery spring 37 made of a plate spring Insert the protrusion μd into the perforated hole 37d on the flat plate 37b, and install the recovery spring 37 behind the button 32. The recovery spring ^ uses two recovery spring plates 37a that extend from the flat plate 37b to the rear as two It is formed by extending the body. The front end of the spring piece 37a of the recovery spring 37 is elastically connected to the bottom surface of the recess 51, so that the snap button 3 2 is brought closer to the front. The thermoplastic resin with high elasticity is formed into a mouth shape, and a corresponding cam body 38 corresponding to the ^ ς key 31 3 related protrusion 34 is provided behind the opposite side portion, and its shape is such that a pair of two elastic pieces 3 3 a (Winter as shown in Figure 11) It is formed in the shape of an octopus and is provided as a unit at the center of the other side portions. As shown in FIG. 11, by inserting = 32a provided behind the snap button 3 2 a between the two spring pieces 33a, a sliding cam 33 that can slide freely is installed behind the snap button 32, and a spring is used. The spring of the piece 33a restores the force of the sliding cam 33. | To pivotally mount the piano on the surface side end of the cover 5a of the body 5 of the switch body 1, and construct a pair of shaft portions protruding 3 diagonally forward 1 g 2 is set as a whole. The shaft portion 1 g 2 ^ then the end portion is formed in a cylindrical shape along the short side direction of the cover 5 a. As shown in the figure, one end of the back of the key 4 3 is provided with a metal formed by a leaf spring. The bearing part 191 is fitted to the bearing hole 191 a. The insert hole 1 91 a has a lock hole 190 on the inner peripheral side to lock the bearing housed in the insert hole 191 a. Use the spring 191b's anti-falling claw 191c.

477993 V. Description of the invention (21) ~~-The spring 191b for holding the bearing. The bearing spring 191b is bent. The front end of the bearing spring 191b is inserted into the insertion hole 1 9 1 a, and the shaft portion 192 is held by the protruding portion 9 1 d and the second f 1 9 1 a. a Eight holes Since the bearing springs 1 9 1 b are provided near the opening of the insertion hole 1 9 1 a, the opening width is narrower than the insertion hole} 9 1 2. If the shaft portion 92 provided on the switch body 1 is resisted against the bearing: the elastic force of the bearing 191b and the hole 191 a for elastic insertion, the shaft portion 192 and the bearing = steam 1 9 1 are installed so that they cannot be easily removed. Come down. In this way, the shaft 43 can be pivotably mounted by bulging the shaft portion 1 μ into the bearing portion 191 and turning it freely. Further, the other end of the key 43 is provided with a falling-off preventing piece 43a for preventing falling off. The drop-out preventing piece 43a is inserted into the cavity 12 through an insertion hole 54 formed in the front wall of the cover 58, and the locking claw 43b provided at the front end portion of the drop-out preventing piece 43a is locked to the periphery of the insertion hole 54 to control The rotation range of the key 43. As shown in FIG. 3, three insertion holes 54 are provided in parallel. As described above, by attaching the key 43 to the switch body 1 and pressing the other end of the key 43, the shaft portion 192, the bearing portion 191, and the pivoting portion can be rotated as a center. Keyboard 43. A pair of switch operation ribs 4 3 c are provided on the back of the key 43. If the key operation is performed on the key 43, the switch operation rib 4 3 c can be used to press the button 32 provided on the switch body 1.入 器 体 5。 Into the body 5. The operation of the switch body 1 is briefly described below. FIG. 11 shows a state where the movable contact 29 is in contact with the fixed contact 25, that is, a state where the contact 1 is closed, and the flip key 31 is turned down on the right side of the figure. At this time, the 'sliding cam 33 is located at the center of the moving range by the spring piece 3 3a. As in this state

Page 24 477993 V. Description of the invention (22) 43 (illustration omitted in Fig. 11) Implementation of resilience push g 7 Gu Maoli presses the button 3 2 to resist being stunned into the body 5, sliding cam " Move to the lower part of gray 1 1 (b). At this time, the sliding projection ϋ lifts the 冋 figure close cam body 38 in contact with # 纟 胄 3 丨 @ {(_ The relevant cam body 38 is pressed, the left end of the 辂 key 31, so the flip key 31 turns to the left with the center of the fulcrum. The relevant, 刖 end of the left side of the sliding cam 33 is' b / Ε3ιϊ ΛΑ L d 8 The rotation of the relevant protrusion 34 on the left side of the key d1 is more ^, and the sliding cam 33 is turned to the left = the earth map; ^ Turn it over, and the wheel 33 slides to the left in the figure. In this way, as shown in Figure θ y; ... The moving convex key 31 falls on the left side of the figure, and the flip spring 30 is turned over.] Do not over-turn; As shown by = 4, the elastic force of the recovery spring 37 is used to restore the button ㈣ to its original state. For example, the keys that touch the button 32 also return to their original positions. Moreover, the same is true: the slide cam 33 is also The spring slide 33a of the reed 33a returns to the center. When the contact 100 becomes open, the pressing force 43 is applied again, and the flip key 3 can be moved in the same manner as described above. However, When the contact 100 is in the open state, the flip key contacts the relevant cam body 38 on the right side of the sliding cam body 33 with the relevant protrusion 34 on the right side, and the turned key 31 rotates to the right through the flip spring 30 to make the movable contact 29 is in contact with the fixed contact 25. In this way, after the contact 100 is turned over, the pressure is released from the key ", and the state shown in Fig. 11 is returned. In short, in this embodiment, every time the key 43 is pressed, Operation, the contact 100 will be opened and closed. That is, Litian 477993 V. Description of the invention (23) The sliding cam body 33 and the relevant protrusion 34 of the flip key 31 and the recovery spring 37 constitute a pressing operation of the button 32 A conversion mechanism that converts to the rocking of the flip key 31. However, since three switch bodies 1 having a molded size can be mounted on the mounting case 2, it is referred to as three mounting cases 2. In other words, One side of both sides of the through hole 2a of the mounting case 2, 1 Two sets of appliance mounting holes 2b, 2b of the lock set body 1 of the switch body 1 are installed in three groups at a time, and three switch body 1 installation positions can be selected in the through hole 2a. Here, the switch is installed. The short side direction of the main body 1 is consistent with the long side direction of the through hole 2 a, and the three mounting positions when the switch main body 1 is mounted on the mounting housing 2 are the upper end position, the middle position, and the lower end position. Further, If it is a key 43 for mounting one model-sized switch body 1 on the mounting case 2 as shown in FIG. 15, the switch body 1 has a cover plate (plate case 12 and a decorative plate 130). ) The opening keys 12a, i30a and horizontal keys 43 are referred to as a piano j43. Similarly, if it is a key a used to place two women's clothes of i model size switch body i on three mounting cases 2, as shown in Fig. Μ, they are separately installed on the switch body. Use two to cover the plate opening windows 120a, 130a. Horizontal keys 4 3 Weigh? Two used piano keys 43. And ^, if it is a switch body of a model size 丨 two = keys 43 used when mounting on the housing 2, as shown in FIG. 46, the mounting body U is closed with three to cover the opening of the board The windows 120a and a-inch horizontal keys 43 are referred to as three keys 43 for use. Inches μ = 3 vertical keys (short side of switch body 1) of the 3 types of keys. The size 3 is. (Upper and lower dimensions of one key 43) and (two of key 43)

P.26 477993 V. Description of the invention (Upper and lower dimensions of (24)) x2 and (Upper and lower dimensions of 3 keys 4 3) And, as mentioned above, the plate opening windows 120a, i30a have a longer penetration than: 3 through holes 2a And the wider size is installed on the through hole 2a ~ two body 2 so the upper and lower dimensions of the three keys 43 are larger than the switch size "P, any key 43 is larger than the snap button = area, ® It is easier to make a piano by money than to press the button ^ =. The case where only one switch body i is installed in the through hole 2a of the mounting case 2 is shown in Figs. It is shown in Figs. 22 to 26. As described above, two bearing portions 191 (see Fig. 2) provided on the -end portion of the back of the key 43 are provided near the central portion in the up-down direction, so that they face each other. A pair of shaft portions 192. However, the bearing spring 191b on each bearing portion 191 of the bearing portion 191 is formed by a continuous one member ^ ^ "43" = 192-year-old harp group by turning the two shaft portions of the switch body i The two 邛 1 9 1 of 3 align the center of the switch body 1 in the up-down direction with the center of one key 4 3 in the down direction. Also, use the key 43 in one On the other end of the surface, two drop-off prevention pieces "a." Are provided near the central portion in the up-down direction, and each of the drop-off prevention pieces 43 & At the center of the key 43 in the up-down direction, on the other end side, a through hole 252 is provided through the branch surface and the moon surface of the key 43, and a transparent brand name cover 253 such as acrylic resin is put from the back of the key 43 Enter the through-hole 2 52. As shown in Figures 25-27, the card cover 253 is a rectangular plate shape and is integrally formed by the following parts, page 27

I 477993 V. Description of the invention (25) That is, the main part 253a having a receiving recess 253b for accommodating a brand-name cover 250 on the back; the main part 253a on the front side of the main part 253a is set smaller than the main part 2 53a and inserted The insertion portion 253c of the through hole 252; the thin plate-shaped fixing portion 253d provided to protrude from both sides along the long side of the main portion 2 53a; and the main portion 253a is integrally connected from one end of the long side of the main portion 253a to A shaft support portion 253e is provided to protrude on both sides. The door 254 is supported by a shaft on a shaft support portion 253e of the brand cover 253 so as to be freely opened and closed. 2 5 4 As shown in FIGS. 2 5 to 27, the door includes: a rectangular plate-shaped main piece 254a; a pair of leg pieces 254b provided from both ends of the main piece 254a; and from the front end portion of each leg piece 254b A shaft body 254c provided on the side; a pair of operation pieces 254e and a pair of bowl pieces 254f divided by a pair of cutouts 254d on the other end side of the main piece 254a; a protrusion 2 5 protruding from both sides of the front end portion of the bowl piece 254f 4g. In addition, the shaft body 254c of each leg piece 25 4b can be rotatably scattered into the bearing portion 253 f opened to the inner side surface of the shaft support portion 253e of the brand cover 253, and the housing recess 25 of the brand cover 253 can be opened and closed around the shaft body 254c. 3b. Further, the protrusions 25 4g provided on the two bowl pieces 254f of the door 254 are pressed and locked on the back side of the main part 2 5 3 a of the brand lid 2 5 3 to the inner side end formed along the long side. The locking parts on both sides are 2 5 3 g and remain closed. . On the other hand, as shown in FIG. 28, a recessed recess 255 is formed in the periphery of the through hole 252 on the back surface of the key 43 to fit a brand-name cover 253 to which a door 254 is rotatably mounted. A convex strip 256 along the long side of the through hole 252 is provided at a position opposite to the fixing portion 2 53d of the brand-name cover 253 located in the recessed recess 255. Moreover, a pull-out preventing sheet having an embedded recess 255 is formed.

Page 28 477993 V. Description of the invention (26) The side of the end of 4 3 a is provided with a locking groove 2 5 7. As shown in FIG. 30, the locking groove 257 locks the main portion 253 a of the brand-name cover 253. The front end is provided with a rib 2 53h at the end. That is, if the reinforcing rib 253h is locked in the lock groove 257 and the brand-name cover 253 is fitted into the recessed recess 255, the brand-name cover 2 5 3 can be temporarily fixed, and the convex strip 2 5 6 can be melted by ultrasonic waves in this fixed state. The fixing part 253d of the brand-name shuttlecock 253 is ultrasonically welded to the key. -When accommodating the name card 250, the operation piece 254e is pulled up to open the door 2 5 4 from the back of the name card cover 2 5 3, and the name card 2 50 is stored in the receiving recess of the name card cover 253. In this state, the door 254 is closed, and the name tag is clamped between the door holder 4 and the name tag cover 253. The card 250 can be visually confirmed from the surface side through the insertion part 253c and the main part 253a of the through hole 252 of the key 43. On the surface of the name card 250 (eg, characters, digits, symbols), in this example, a pair of anti-adhesion ribs 253 are provided on the bottom end of the receiving recess 2 5 3 b of the main part 2 5 3 a. ], As shown in FIG. 27 and FIG. 30, using the anti-adhesion ribs 253 j. The name card 250 stored in the receiving recess 253b is separated from the receiving recess “the bottom surface, that is, the name card 25 and the bottom surface of the receiving recess 253b. When the contact area is large, the name card 2 50 is attached to the bottom surface of the receiving recess 253b of the name card cover 23 due to static electricity, and it is difficult to remove the name card 25G. ~ The use of anti-adhesion ribs 253 j to reduce the name card The contact area between the card 250 and the bottom surface of the receiving recess 253b makes it easy to remove the brand-name card 25. Further, the pressing operation is provided on the opposite sides of the through hole 252 that holds the enemy recess 25 5. I by the operation of the main switch button 32 one pair of snap ribs 43 ;;, 253 in the cover main portion brand heart $ 2 is set through switching operation of insertion rib ...

Page 477993

The reinforcing ribs are inserted through the through holes 2 5 3 i, so even the installation name ′ does not interfere with the pressing operation of the rib 43c by the switch operation. * The button 32 is pressed in this embodiment, as described above, because it is rotatably mounted 254 ′ to fix the componentized brand-name cover 253 to the back of the key 43, so it is attached to the brand-name cover 2 53 At the same time as the surface of the key 43 and the structure in which the door 2 54 is mounted on the back of the key 43, the installation of the brand-name cover 2 53 and the door 254 on the key 43 is greatly simplified. 1 ′ On the other end of the key 4 3 surface, a pressing position indicating protrusion is provided at the center position in the up-down direction, and an end indicating that pressure should be applied to the key 43 is a pressing position indicating protrusion. 1 4 side. Further, on the surface of the key 4 3 ', a plurality of stripe-shaped decorative lines 11 5 are formed on the upper and lower sides of the brand cover 2 5 3, respectively. The decorative line 11 5 generates a carbonization reaction by making the surface of the key 4 3 not substantially convex and concave (no rough touch by touching it), and irradiating with a laser beam on the synthetic resin finished product forming the key 43. | The color development is caused by a difference in chromaticity from other parts. In short, the decorative line 115 Wu brand-name cover 203 is formed independently. Therefore, instead of using the name card 250 and the name card cover 253 as particularly necessary components, as shown in FIGS. 31 and 32, a key 43 for the name card 250, the name card cover 253, and the door 254 may not be provided. However, "when two switch bodies 1 are mounted on the through hole 2a of the mounting case 2," as shown in Figs. 3 to 39, the switch body 1 is installed at the upper end position and the lower end position, respectively. Each of the two keys 43 shown in Figs. 40 to 43 is attached to each switch body 1. As shown in Figs. 2 keys 43 and 3 keys 43

Page 30 477993 V. Description of the invention (28) The central part in the coffee direction has two bearing parts 丨 9 i, the mounting housing 2 is installed so that each switch body 1 is installed at the upper end position and the lower end position The center position in the up-down direction of is consistent with the center position in the up-down direction of each key 2. As a result, it is not necessary to distinguish between the upper position and the lower position for the two keys 4 3: 5¾ position, but can be used together. Although the upper and lower dimensions of the two keys 43 and 3 are different from the upper and lower dimensions of the one key 43, the other structure including the brand-name cover 253 is the same as the one key 43. Therefore, the decorative line 115 is formed separately from the brand name cover 253, so that the brand name card 250 and the brand name cover 253 are not made? Particularly necessary components, as shown in Figs. 44 and 45, two keys 43 for the name card 250, the name cover 253, and the door 254 may not be provided. When three switch bodies 1 are installed in the through hole 2a of the mounting housing 2, as shown in FIGS. 46 to 52, the switch body 1 is installed at the upper end position and the lower end position, respectively. The keys 43 are attached to the respective switch bodies 1. Four bearing portions 91 are provided at one end portions of the back surfaces of the three keys 43 at a certain interval corresponding to the shaft portion 192 of the switch body i. In addition, the bearing springs 1 9 2 b corresponding to the upper two bearing portions 1 9 1 and the lower two bearing portions 1 9 1 are formed as a single body, that is, to four bearing portions 1 9 1, two members are used. The bearing spring body 191b is realized. Further, among the three keys 43, the fall-off preventing pieces 43 a are provided one by one near the center in the vertical direction of the keys 43. When the three switch bodies 1 are arranged side by side on the mounting case 2, the key 43 mounted on the switch body 1 at the center position is fitted into the shaft portion 192 of the switch body 1 and mounted on the two central bearing portions 191. That is, the center of the switch body 1 in the up-down direction and the upper and lower sides of the key 43 with respect to the switch body 1 at the center position

477993 V. Description of the invention (29) The anti-falling piece 4 3 a of the key 4 3 is inserted in the aspect 'installed in the center of the upper end position uniformly and in the insertion hole 5 4 in the center of the switch body 1 and the switch body 1 The upper key 43 is fitted into the shaft portion 192 of the switch body 1 and is attached to two lower bearing portions 191. That is, regarding the upper end position, the center of the up-down direction of the key 43 " 'is set higher and deviated from the center of the switch body 1 in the up-down direction. The detachment preventing piece 43a of the key 43 is inserted into the insertion hole 54 above the switch body i. The key 4 3 'attached to the switch main body 1 at the lower end position is mounted by fitting the shaft portion 192 of the switch main body 1 to the upper two bearing portions 191. That is, regarding the lower end position, the center of the key 43 in the up-down direction is deviated further downward than the center of the switch body 1 in the up-down direction, and the drop-off preventing piece 43a of the key 43 is inserted into the insertion hole 54 below the switch body 1. In addition, instead of using the brand-name card 250 and the brand-name cover 253 as particularly necessary components, as shown in FIGS. 57 and 58, three keys 43 without the brand-name card 250, the brand-name cover 253, and the door 254 may be used. The structure of the mounting housing 2 is such that three mounting methods can be selected for application surfaces such as a wall surface. Examples shown in Fig. 59 and Fig. 60 = When the reinforced concrete wall is being constructed, it shows an example when it is installed in the embedding box 150 embedded in the back wall W. On the upper piece and the I piece of the mounting case 2, there are formed long holes 2c for penetrating and inserting the box screws of the mounting tongue 151 provided in the opening f of the buried box. Secondly, in the case of a construction wall, sometimes the housing 2 'is directly screwed with screws that are screwed into the construction surface. Therefore, a screw through hole is also formed on the upper piece and the lower piece for penetrating and inserting the upright screw. 2d. In addition, when a panel material such as a thin surface and a gypsum board is provided on the upper sheet and the lower sheet, the used fixture is locked.

Page 32 477993 V. Description of the invention (30) Fixture fitting mounting holes 2 e at one end of the fitting (familiar illustration) and screw mounting holes 2 f of the mounting screws 123 of the mounting plate housing 120. As shown in FIG. 65 and FIG. 68, the plate case 1 2 0 ′ attached to the A side of the mounting case 2 by the mounting screws 123 is a molded article formed by using a synthetic resin such as a β § resin to form a rectangular body. A screw insertion through hole 1 2 1 is provided on the sheet and the lower sheet for inserting the mounting screws 1 2 3 respectively. Further, the left and right plates of the board case body 120 are provided with locking holes 122 inserted in the locking pieces 131 for locking the decorative plate 130 in groups of three. In addition, plate holding holes 1 2 5 are provided at the four corners of the plate case 120 for mounting a simple refractory plate (not shown) made of metal. A stepped portion 124 0 is formed along the entire circumference of the peripheral portion of the plate case 120. As shown in FIG. 69 and FIG. 72, the decorative plate 130 of the plate case 120 and the plate case 120 are used in the same manner as ABS resin. Shell made of synthetic resin. Further, a locking piece 131 for coupling the plate case 120 is provided on the back of the decorative plate 301. The decorative plate 13 has a peripheral wall 132 extending rearward from the outer periphery of the front wall. As shown in FIGS. 61 to 64, when the decorative plate 13 is superposed on the plate case 120, the rear edge of the peripheral wall 132 is placed on The front surface of the step portion 124 of the plate case 120. In addition, the board case 12o and the decorative plate 13o have almost no roundness at the corners, and it is easier to manufacture a mold than when forming a radius portion. For example, the board case 1 2 0 is mounted on the mounting case 2 on which the switch body 1 is mounted by using the mounting screws 1 2 3, and the key 4 is attached to the board case 12 while the decorative plate 13 is coupled to the board case 12. 3 is mounted on the switch main body 1, and the keys 43 can be passed through the openings 1203 and 130 of the central portion of the plate case 120 and the decorative plate 130.

P.33 477993 V. Description of the invention (31) " " '' 邠 The diverging plate protrudes from the side, and can press the keys 4 3 in this state. In addition, the decorative plate 130 is only used for the plate housing 120. The locking piece 131 is locked, so the front end of a tool such as a slotted screwdriver is inserted into the removal groove 126 provided at the lower end of the plate case 120, and the decorative plate 13 is removed from the plate case 120, for example. The decorative plate can be detached from the board case wo by the application of force. Therefore, it is possible to prevent the female mounting screws 1 2 3 from appearing on the surface in a state in which the decorative plate is installed, thereby completing an excellent At the same time, it is also relatively easy to remove the decorative plate during maintenance. Embodiment 2 This embodiment shows that the movable contacts are selectively contacted on two fixed contacts to serve as unipolar switching. A three-way switch composed of a key switch. This embodiment is configured as shown in FIGS. 73 to 81, and two terminal plates 18 and 20 are housed in the terminal trough chamber 13. The terminal plate 20 and the terminals Plate 18-sample with front piece 20a and pressing piece 20b, screwed to terminal screw 31 In July, the wire is clamped between the rectangular nut 319 at the end and the pressing piece 20b of the terminal plate 20. Here, a U-shape is formed on the terminal plate 20, which is open at one end and penetrates the terminal screw 317. 20g type insertion slot. On the rear wall of the body 5b, a pair of wire insertion openings 3a, 1a are provided at positions corresponding to the terminal plates 18, 20 accommodated in the terminal accommodation chamber 13, and the implementation is performed. Compared with Example i, the distance between the wire insertion openings 13a and 13a has been increased. The positional relationship between the terminal plates 18 and 20 and the wire insertion openings 13a and 13a and the length dimensions of the terminal screws 317 and 317 are set to be different from each other. Tighten the terminal screws 317 and 317 in a loose state and insert the wires introduced into the body 5 from the wire insertion openings 13a and 13a into the clamps 18b and 20b of the terminal plates 18 and 20 and the nuts 319 and 319. Terminal

477993 V. Description of the invention (32) The wires are connected to the boards 1 8 '2 0, and the wires are inserted from the wire insertion openings 3a, 13a of the body 5, through the through holes 313a, 313a for screws, and with a tool such as a flat screwdriver. Tighten the terminal screws 3 丨 7, 3 丨 7 at the front end of the terminal to shorten the distance between the nuts 319 and 319 and the pressing pieces 18b and 20b of the terminal plates 18 and 20 to clamp the wires to prevent the wires from falling off. The terminal plate 20 has an L-shaped contact holding piece 20d extended to a position facing the contact holding piece 18d provided on the terminal plate 18, and the contact holding piece 20d is provided with the terminal holding piece 20d. The fixed contacts 25 on the & The switching element 24 is provided between the two fixed contacts 25a and 25b. The front and back surfaces of the switching element 24 are provided with movable contacts 29 capable of contacting and leaving the fixed contacts 25a and 25b. That is, if the switch element 24 is shaken with the shaking of the flip key 31, the movable contact 2g selectively contacts the two fixed contacts 25a, 25b. Therefore, the wires connecting the terminal board 15 are selectively connected to one of the wires connecting the terminal board 8 and the wires connecting the terminal board 20. Since the other components are the same as those of the first embodiment, the same constituent elements are designated by the same reference numerals and their descriptions are omitted. In addition, it is possible to use the same key 43 as in the first embodiment. The following briefly describes the operation of the switch body}. Fig. 82 shows a state where the non-movable contact 29 is in contact with the fixed contact 25a, and the flip key 31 is turned to the right in the figure. At this time, the slide cam 33 is set by the spring leaf 仏 to the center position of the shift: range. If the pressing force is applied to the key 43 (not shown in FIG. 82) in this state, the button 32 resists the restoring impulse 37 being pressed = body 5, the sliding cam 33 and the pressing key 32-from FIG. 82 (b). At this time, the relevant cam body 38 on the left side of the figure of the sliding convex #, q q u wheel 33 contacts

Page 35 477993 V. Description of the invention (33) The relevant protrusion 34 on the left side of the flip key 31 presses the left end 2 of the flip key 31 2 ', so the flip key 31 turns to the left with the front end of the fulcrum protrusion 311) as the center. The relevant cam body 3 8 on the left side of the cam 3 3 is located at a more left position than the related protrusion 34 on the left side of the flip key 31. With the rotation of the flip key 31, the sliding protrusion $ 33 is pressed to the left, as shown in Figure 83. As shown, the sliding cam moves to the left / month in the figure. In this way, as shown in FIG. 84, by turning the flip key 31 to the left side of the figure, the flip flip yellow 3 is flipped, the switching element 24 is flipped, and the movable point 29 is flipped to disengage from the fixed contact 25a and contact the fixed contact. The state of point 25b. Then, the pressure applied to the key 43 is released. As shown in FIG. 85, the snap button 32 is restored to its original state by the elastic force of the recovery spring 37, and the key 43 contacting the snap button 32 is also restored to its original position. At the same time, the slide cam 33 is also slid by the spring force of the spring piece 3 3a, and returns to the center position. In this way, when the movable contact 29 is brought into contact with the fixed contact 25b, when the key 43 is pressed again, the flip key 31 can be rotated in the same manner as described above. However, when the contact 29 is in contact with the fixed contact 25b, the flip button 3 1 on the right side of the relevant protrusion 3 4 contacts the sliding cam body 3 3 on the right side of the relevant cam body 38, so the flip button 31 rotates to the right and is flipped. The spring 30 separates the movable contact 29 from the fixed contact 25b. In this way, after the contact 100 is turned over, the pressure is released from the key 43 and the state shown in FIG. 8 is returned. Embodiment 3 As shown in Figs. 86 to 94, this embodiment uses the contacts of a two-pole switch (so-called double-pole switch) for two-pole single-throw. Therefore, two sets of each are provided: a terminal plate 18 having a fixed contact 25; holding contact / detachment fixing

477993

The switching element 24 of the movable contact 29 at the point 25, the terminal plate 15 electrically connected to the switching element 24; the through holes 313a and 314a for screws; the terminal screws 317 and 321; and the nuts 319 and 316. A switching spring 24 is arranged between each switching element 24 and the switching key 31. In the reversing key 31, it is necessary to insulate the two reversing springs 30f, so two revolving keys 31 are provided with two cylinder portions 31a holding the reversing spring 3J3. In addition, an insulating partition wall 23a 'is formed in the central storage chamber 23 to divide the space in which each switching element 24 is housed, and to prevent the two switching elements 24 from contacting each other. That is, a position setting recess 2 7 is formed in the inner peripheral portion of the body 5 b and the partition wall 23 a to insert the convex portion “provided on the switching element 24” and “in this embodiment, the pivot point of the switching element 24 and the flip key The distance between the fulcrum protrusions 3 and b of 31 is larger than that of the embodiment ^. Moreover, since terminal screws 317 and 321 and nuts 3 1 9, 3 1 6 are provided on each of the terminal plates 18 and 15, Therefore, the distance between the electric wire insertion through-holes 13a and 14a of each pair of electric wire insertion through-holes 13a and 14a is greater than that in the embodiment 1. In this embodiment, two terminal boards 15 and terminal boards are provided in one set. 18, so two contacts 丨 00 are formed, and each contact 100 can be inserted on both sides of the load and between the power source and the power supply. In this sense, the contact configuration of this embodiment forms the double Knife switch. For example, if the contact is open, even if the load is grounded, the current from the power source will not flow into the load, so the safety can be improved. Since the other structures and operations are the same as those of the first embodiment, the same components Use the same symbol and omit the description. Also, you can use

477993 V. Description of the invention (35) The same key 43 as in the first embodiment. Embodiment 4 As shown in Figures 95 to 103, this embodiment has a 4-way switch structure with contacts for unipolar switching. That is, as in Embodiment 3, each of the terminal accommodation chambers 1 3, 1 4 accommodates terminal plates 18, 15 and 2 sets of terminal screws 3 1 7, 3 2 1 and 2 sets of nuts 3 1 9, 3 1 6. Further, two switching elements 24 holding the movable contact 29 are provided, and a flip spring 30 is disposed between each of the switching elements 24 and the flip key 31. In the reversing key 31, it is necessary to insulate the two reversing springs 30 from each other, so two cylinder portions 31a holding the reversing spring 3o are provided in the reversing key 3 丨. In addition, an insulating partition wall 23a is formed in the central storage chamber 23 to divide the space in which each switching element 24 is housed, and to prevent the two switching elements 24 from contacting each other. In this embodiment, two sets of fixed contacts 25c, 25d are provided on the terminal board 18 accommodated in the terminal accommodation chamber 13. That is, each terminal plate 18 has a curved contact holding piece 18f provided with two sets of fixed contacts 25c, 25d arranged in each divided area of the central storage room 23 separated by the partition wall 23a, The fixed contact 25c at the base of the contact holding piece I8f is located on the same side as the terminal plate 18 with respect to the partition wall 2a, and the fixed contact 25d at the front end of the contact holding piece 18f is located with respect to the partition wall 23a on the terminal plate 18 on the opposite side. On the contact holding piece 18f, the positions between the two fixed contacts 25C and 25d are arranged so as to cross each other. When viewed from the front, as shown in Fig. 103, they are X-shaped. The intersection of the contact holding pieces 18 f is isolated from the front and back, and is electrically insulated. In this state, the fixed contacts 25c of one terminal plate 18 and the fixed contacts 25d of the other terminal plate 18 form a direction with each other.

Page 38 477993 V. Description of the invention (36) '^ ----- Relative positional relationship. Each of the switching elements 24 contacting the supporting piece 15e of each terminal plate 15 has a movable contact 29 on the front surface and the rear surface, respectively, and is inserted between the fixed contacts 25c and 25d provided in opposite directions. That is, when the switching element 24 is rotated with the rocking of the flip key 31, the two switching elements 24 and the movable contact 2 9 can be selected to contact the fixed contact 25c together with the movable contact 29-to contact the fixed contact 25d. status. It is possible to select a state where the terminal boards 15, 18 electrically connected to the partition wall 23 & and terminal boards 15, 18 which are electrically connected to the opposite sides of the partition wall 23 & can be selected. Other structures and operations are the same as those of the embodiment i. Moreover, the same key U as that of the first embodiment can be used. Embodiment 5 The basic structure of this embodiment is substantially the same as that of Embodiment 1. As shown in Figs. 104 to 112, a display area B1 having a position indicator u and a current-limiting resistor R1 composed of a neon lamp is added. Here, the position indicator u is turned on as shown below 'in the open state of the contact 100.

^ In the indication area B1 of this embodiment, a printed circuit board 66 formed in an L shape is provided with a resistor composed of a chip resistor and a position indicator composed of a nitrogen light lamp connected in series. Further, contacts 6 i a and 62 a formed by a conductive metal strip plate are connected to the printed circuit board 66 so that they can elastically contact the front pieces 15 a and 18 a of the terminal plates 15 and 18. The position indicator L1 indicating the area B1 is arranged so that it is stored on the cover 5a at a position corresponding to the terminal accommodation chamber M, so that the contacts 61a and 62a contact the other pieces 15, 18 of the terminal plates 15, 18, respectively. 8 a. That is, a receiving recessed portion 55 having a rear surface D is formed at one end portion of the long side of the cover 5a, and a position indicator L1 is received in the receiving recessed portion 55.

Page 477993

The above-mentioned contacts 61a, 62a are mounted on the printed circuit board 66 so that the series circuit of the resistance R1 σ position indicator L1 is inserted between the two terminal plates 15, 18. Therefore, if i shows the internal circuit of the switch body 1, it is as shown in FIG. 113. In the present embodiment, a contact having a fixed contact 25 and a movable contact 1 and a single-pole open _ (so-called single-pole switch) that uses the early pole single throw, a resistor R1 and a position indicator L 丨 is formed. The series circuit connects the contacts in parallel = 0. According to this configuration, if the contact 100 is inserted between the power source and the load and used as a single-pole switch that turns on / off the power supply to the load, the position indicator L! Lights up when no power is supplied to the load. That is, if the lighting load is used as a load, the position indicator lights up when the lighting load is off, and the position of the switch body 丨 can be easily confirmed in a dark environment. ~ In the cover 5a, a through hole window 40 for receiving the recessed portion 55 is formed on the front wall of the portion corresponding to the receiving recessed portion 55 between the shaft portions 192, and a light-transmitting lampshade is mounted on the through hole window 40. 41. Therefore, the on / off state of the position indicator L1 can be observed through the lamp. However, as shown in FIGS. 114 to 119, the key 43 is attached to the switch body 1 at the end portion provided with the bearing portion 191 and the center portion in the up-and-down direction as described in the embodiment} ^. In the upward direction, an instruction window 112 is provided at a position corresponding to the lamp cover 41 on the switch body 1, and the W end portion of the instruction portion ^ 3 is inserted into the instruction window 丨 2 from the back of the key 43. The indicator portion j 3 is made of a translucent synthetic resin, and the front end portion is formed by a rectangular plate-shaped body 113 a fitted on the indicator window 112 and a side piece 1 provided laterally from both sides of the end portion of the body 1 i3a. 1 3 b is formed as one body. On the other hand, as shown in FIGS. 116 and 117, three front end portions are formed.

477993 V. Description of the invention (38) Points: On the periphery of the indicator window on the back of the key 43 丨 2 is provided a fixed hole in the shape of a long hole that is pressed into the side piece U 3b of the finger 1 1 3 丨丨 3c pressure ^ reinforcement rib Π 2 a. That is, from the back side of the key 43, push the front of the main body 丨 丨 ，, and part of the enemy into the indication window 丨 丨 2, as shown in Figures 丨 丨 6 and 1 丨 9, press the reinforcement rib 112 a into the side piece 113b. In the fixing hole 113c, the indicator portion 113 is fixed to the key 43. When the key 43 is attached to the switch main body 1, the rear end surface of the main body 113a of the indicating section 113 is arranged opposite to the lamp cover and 41 in the switch main body 1. The light of the position indicator L1 emitted from the lamp cover 41 is incident from the rear end surface of the main body 1138, and is radiated to the outside from the front end of the main body 1133 of the fitting indicator window 112. Further, a shell applying process is applied to the rear end surface of the main body 11 3a of the indicator portion 11 3 to diffuse incident light and expand the viewing angle upward. In addition, the lens mounted on the back side of the key 43 and the indication portion mounted on the indication window 112 provided on the key 43 from the surface side have been conventionally constituted as other components. However, in this embodiment, 3 As described above, the conventional lens is used as an integral part to form the indicator section 3, so the number of parts can be reduced and the mounting work can be simplified. Moreover, in this embodiment, the brand-name card 250 and the brand-name cover 253 are not particularly required. As shown in FIGS. 120 and 121, the brand-name card 25, the brand-name cover 253, and the door 254 may not be provided. 3 of 43 with piano keys. In addition, as for the two keys 43 when the two switch bodies 1 are mounted on the mounting case, as shown in FIGS. 122 and 123, the two keys 43 have the same instruction windows 11 and the two keys 43. Department 11 3. Moreover, the brand-name card 2 50 and the brand-name cover 2 53 are not particularly necessary components, as shown in FIGS. 1 2 4 and 125. ′ The brand-name card 250 and the brand-name cover 253 can be used.

P.41 477993 V. Description of Invention (39) and 2 keys 43 of door 254. However, as is clear from Embodiment 1, when three switch bodies 1 are mounted on the mounting housing 2, the center of the switch body 1 in the upper and lower positions does not match the center of the keys 43 in the vertical direction. . For this reason, as shown in FIGS. 126 to 130, the three keys 43 are provided with an indicator portion 140 having a thickness smaller than that of the one and two keys 43 and an optical unit that is optically coupled to the back of the indicator portion 140. Prism 2 0 0.

As shown in FIGS. 127 to 130, 稜鏡 200 is formed in a shape that is wider than the indication window 1 12 in the up and down direction of the back surface of the key 43, and the emission surface 20 1 has a triangular wave-like uneven shape. From the back surface of the triangular wave-shaped exit surface 〇1, side protruding prism portions 207 are provided on the upper and lower sides, and the side protruding prism portions 207 are provided with a switch body 1 or a mounting unit mounted on the upper end of the mounting housing 2. The light of the switch body 1 at the lower end position of the mounting case 2 enters the incident surface 203 of the rear surface portion. The light entering from the incident surface 203 to the inside protrudes from the first reflection surface 204 and the second reflection inside the prism portion 207. The surface 205 reflects and is emitted from the emission surface 201. Further, on the back surface of the concave-convex-shaped emission surface 201, there is provided an incidence surface 200 composed of a recessed portion that enters light from the switch body 1 mounted at the central position of the mounting case 2. The inner wall surfaces on both sides of the concave portion are inclined to an end to the back side of the emission surface 201, and have an asymmetric shape. This inclined surface becomes the second reflection surface 205 into which light is introduced into 稜鏡 200. ^ The 稜鏡 200 having the above-mentioned structure is mounted on the back side of the key 43 by ultrasonic lapping, so that the emission surface 201 faces the indicating portion provided on the three keys 43. Here, the part 140 of the present embodiment is formed of a light-transmitting resin, and is attached to the instruction window 112 of the key 43 from the back surface of the key 43.

Page 42 477993 V. Description of the invention (40) A fitting portion i40a with an instruction window 112 having a drum key 43 and two end portions protruding from the back of the fitting portion 1 4 0 a are provided with a downward slope As shown in FIG. 30, the front side portion 140b of the surface is locked on the back periphery of the through hole 252, and is held and held by the keys 43 and 稜鏡 200. In other words, since the indicator portions 140 and 200 can be attached from the back of the key 43, the installation work can be simplified. In addition, the downward inclined surface formed on the side portion 14b of the indicator portion 4o is combined with the second reflecting surface 203 of the asymmetrical surface of 稜鏡 200 to increase the upward viewing angle and make it Easy to observe. Furthermore, on the three keys 43 mounted on the mounting case 2, the incident surface 202 faces the transmission window 40 of the switch main body 1; and on the three switch main bodies 1 mounted on the upper end, On the key 4 3, the incident surface 2 03 of the lower side protruding projection 207 is opposite to the direction of the transmission window 40 of the switch body 1; On the three keys 43, the incident surface 203 of the upper side protruding projection 207 is opposed to the transmission window 40 of the switch body 1. In addition, the light of the position indicator L1 emitted from the transmissive 40 on the switch body 1 at the upper end position or the lower end position is incident from the incident surface 203 into the side protruding part 207, and the side protruding part 207. The internal reflection is emitted from the convex-concave-shaped emission surface 2 01 toward the indicator portion 1 40. Then, light is emitted from the transmission window 40 on the switch body 1 at the center, enters from the incident surface 202, and exits from the convex-concave-shaped emission surface 201 to the indicator 140. At this time, by setting the exit surface 201 to have a concave-convex shape having a triangular wave shape, the deviation phenomenon can be eliminated and the light emitted from the exit surface 201 can be brought into almost the same direction. Furthermore, the prism 200 corresponding to the light emitted from the transmission window 40 on the switch body 1 at the lower end position is used.

477993

The second reflecting surface 2 0 3 of the symmetry plane and the downwardly sloping surface of the side portion 140b serving as the indicator portion 1 4 (1 into red 7 TI ia υ octaves) enhance the upward view and make upward vision The resolution is improved, so it is easier to observe. $, Do not use the brand-name card 2 50 and the brand-name cover 2 53 as particularly necessary components, as shown in Figures 131 and 132 'You can also use no brand-name card M., The three keys 43 of the brand-name cover 253 and the door 254 have the same structure, and the other components are the same as those in the first embodiment, and the description is omitted. Embodiment 6 Basic Structure and Embodiment of the Embodiment 2 is almost the same. As shown in FIGS. 133 to 141, a display area μ including a position indicator light u and a chip resistor R2 and a chip resistance R3 composed of a neon lamp is added. Here, the position indicator L1 is as follows It lights up in the open state of the contact. The display area B1 of this embodiment is provided with a position indicator L1 and a series-connected position indicator [1, a resistance R2, on a printed circuit board 66 formed in a chevron shape. Parallel connection The resistor R3 of the series circuit of the indicator lamp L1 and the resistor R2 is set. Furthermore, a pair of contacts made of a conductive plate is soldered on the back of the printed circuit board 66. The contacts 67a and 67b are arranged so that they can be f The front pieces 18a and 20a of the terminal plates 18 and 20 are located at the position indicating the area B1, and the lamp L1 is stored on the cover at a position corresponding to the terminal accommodation chamber 3, that is, 'on the long side of the cover 5a A receiving recess 55 is formed in the rear opening, and a position indicator L 1 is received on the receiving recess 55. In the indication area B1, if the cover 5 is coupled to the body, the front end of the contact 61a elastically contacts the terminal plate 18 Front piece 18a, contact 67b

Page 44 477993 V. In the invention description (42), the standing part elastically contacts the front piece 2a of the terminal plate 20a. That is, a circuit in which a resistor R3 is connected in parallel with a series circuit of the position indicator L1 and the resistor R2 is inserted between the two terminal plates 15 and 18. Therefore, if the internal circuit 'of the switch body i is shown in FIG. Further, in Fig. 142, the reference numerals 0 to 3 added to the terminals correspond to "6" on the surface formed by the laser beam on the rear surface of the body 5b in Fig. 137. In this embodiment, as described in the second embodiment, the contact 100 of the three-way switch that selectively moves the movable contact 29 to the two fixed contacts 25a and 25b, and the two fixed contacts 253, Between 25b, a circuit containing the position L1 lamp is inserted. Therefore, if the power supply to the load is connected / disconnected according to the state of the contacts of the 3-way switch, then when the load is disconnected, add between the two fixed contacts 2 5 a and 2 5 b. The voltage and position indicator L1 are on. If you use Zhiming and Mingbei as the load, the position indicator L1 will be on when the lighting load is off. Based on this, you can easily confirm the switch position even in a dark environment. In the cover 5a, a through-hole window 40 communicating with the accommodating recessed portion 55 is formed on a front wall of a portion corresponding to the accommodating recessed portion 55, and a light-transmitting lamp cover 41 is mounted on the through-hole window 40. Therefore, the on / off state of the position indicator L1 can be observed through the lamp cover 41. Ugly, since other structures are the same as those of the second embodiment, the same structure

The same symbols are used for the constituent elements, and descriptions thereof are omitted. Moreover, the same key 43 as in the fifth embodiment can be used. ”， Also’J Embodiment 7 As shown in FIGS. 1 4 3 to 1 51, this embodiment is based on the structure of the fourth embodiment.

Page 45 V. Description of the invention (43) An embodiment is added in which the domain BΓ has the same configuration as that of the embodiment 6 in the display area B1 where the gate is opened with a T word. The display area u, the string of position indicators on the string substrate 66 is mounted with a string of lamps L1 and resistors R2 :: 1, and a resistor β3 is also welded to the back of the Asian_connected position indicator. Moreover, on the printed circuit board 66, the contact two: two! Jindian board; a pair of contacts ❿. 18, _Mi8a \ should be able to make contact with the terminal board, and use the corresponding terminal to accommodate 82. The position indicator L1 indicating the area Bi, is accommodated on the cover 53 by the long side = open portion. That is, the receiving recessed portion 55 opened at the back of the cover 53 is formed, and the position indicator U is received on the receiving recessed portion 55. Funeral closure 4h contact 67a described in the domain B1, if the cover & is combined with the body 5b, the front end of the point 6 :, 67b elastically contacts the front piece LHI of the terminal board i8, 18, so that the resistance is connected in parallel The connection position indicator L1 and the resistance fruit a are dry. "The circuit is inserted between the two terminal plates 15, 18. Therefore, if the figure does not switch the internal circuit of the main body 1, as shown in Figure 15 = 2, the symbol of Η added to the terminal Corresponds to Figure 7 in Central Asia, and the percentage of the surface formed by the field beam on the back of the body 5b is recorded as%. Μ 1 = When this 4-way switch is connected to the power source, when the device is off In Figure 1 47, the power supply voltage is applied between the terminals indicated by the symbols "j" and "3", so the load is disconnected ^, and the position ^ indicator lamp L1 lights up. That is, if a lighting load is used as the load Then, the position indicator L1 is turned on in the dark place of the Zhaoming load headlight, and the position of the switch can be easily confirmed. Other structures and operations are the same as those of the embodiment, and the same keys as those of the embodiment 5 can be used as the keys 4 3. Although, each of the embodiments 1 is general

477993 V. Description of the invention (44) $ mrt: 3, 10, 17, 321, to press the wire on the terminal board. U qβbar = the wire is clamped on the nut screwed on the terminal board 317, 321. Terminal structure between wire rolls), but it can also be a type of terminal structure in which the terminal screws are mounted on a terminal board as shown on the terminal screws. The effects of the present invention will be described below. The key switch of the first aspect of the present invention includes: a button switch provided with a push button on the front, and each pressing operation on the button button will cause the contact mechanism of the switch mechanism: The terminal board for the electrically connected, 1 ^ nail-connected wire is housed in a switch body that can be installed in the body of the mounting housing for the embedded type fixture; the direction is opposite to that of the snap button The form is arranged on the front side of the device body, and the back is integrated and the back is in contact with the key of the button;?, The electric screw is press-fitted to the terminal board by rotating the sub-screw 4,?), Koma spins the shoulders. II, Ding Jian 1 The farmhouse is ashamed to be able to increase the current capacity compared to the effect. 'The key switch of the second aspect of the present invention is: the key-type thunderbolt of the present invention 丨' On the device body, an electric wire for inserting the obliquely inserted plug into the device body is provided on an adjacent surface of the device body. The insertion port and the through hole for the head screw of the terminal screw are inserted into the terminal screw. The terminal screw is inserted through the terminal screw and the terminal screw is provided between the terminal screw and the screw screwed to the front end of the terminal screw. The pressing piece of the electric wire inserted from the electric wire insertion port is clamped. By inserting a wire through the wire insertion port, passing through the through hole for the screw, and pressing the terminal screw, it is possible to use

Page 47 477993 V. Description of the invention (45) The terminal board described above is simple, and it has a conventional wire clamp between the U and the female, so the effect of increasing the current capacity at the same time when construction is equal to The key type of the third aspect of the present invention to improve connection reliability is the key type. In the case of the insect pest 4 " " Discontinued < ★ & click on the key opening; in addition to having the shell effect of the present invention 2 is described in the above description ^ upper ^ the terminal screw protrudes from the body l Preventing the Guanzhongben by this: Γ: Ziqin screw type: = --- T; I:;: ^ --- The strength of the connection of the electric wire is not only effective, but also has the ability to improve Guanzhongben The key switch of 'd is the key 弋 = described in the first aspect of the present invention. =; =? Single-pole switch for single-pole single-throw = ′ Same effect as the present invention 1. Ah point μ Φ Key switch of the present invention 6 |: The key of the key described in the present invention is 10%; the point is set to the three-way switch for single pole switching. The tap has the same effect as that of the present invention 1 . The key switch of the point 7 is: In the key of the present invention, the contact is set as a two-pole switch for two-pole single-throw. Invention 1 has the same effect. The keyboard switch according to the eighth aspect of the present invention is: the piano according to the first aspect of the present invention has the contact set as a four-way switch for unipolar switching, and has the same effect as the first aspect of the present invention. ", 冓 The key switch of the present invention 9 is as described in the present invention 5 or 6 or 8.

V. Description of the invention (46) In the key switch, a position indicator light which is turned on to indicate a position is housed in the device body, and at the same time, the light of the position indicator light is emitted to the outside on the key; In addition to the invention of any one of the inventions 5, 6, and 8 of the invention, the invention also has the effect of the invention, and the position indicator light can be used to easily confirm the position of the key switch in a dark environment. One effect. The key switch of the tenth aspect of the present invention is ... In the key switch of the first aspect of the present invention, "the mounting case is a rectangular case having a through hole in the central portion", and three groups are provided along the longitudinal direction. Appliance mounting part, the outer dimension of the short side of the appliance body is formed by about one-third of the long side direction of the through hole, and the appliance body is installed at the center of the mounting housing On the mounting member, a plate having an opening window longer and wider than the hole size is provided on the front side of the mounting housing, and the key is shaped to close the size of the opening window portion of the closing plate. In the direction of the long side of the housing for mounting, the center of the key and the body = the center face each other ^ ^ ^, 11; In the case of the main body of the switch, it can be used cleverly: through: both the housing and r 'can be used. The effect of common parts is required. The effect of the opening pattern of the company style window. The key switch according to the present invention is the key switch of the eleventh aspect of the present invention. In a rectangular case b1 having a through hole, the mounting case is in the center. For the short side of the device body, there is a 3: 3 device along the long direction. The size of the device is according to the long side of the through hole. 477993 5. When the invention is described in (47), the device body is respectively installed in the mounting shell. On the two sets of appliance mounting members at both ends in the longitudinal direction of the body, plates with opening windows that are longer and wider than the through-hole size are provided on the front side of the mounting housing to respectively block the plate openings. The key is formed by a size of a half of a window range, and in the direction of the long side of the mounting housing, the center of each key and the center of each body face each other on the board. The key is arranged in the opening of the opening; in addition to having the same effect as that of the present invention 1, it also has a common pattern communication with the use of 1 or 3 switch bodies even in the case of using 2 switch bodies. Hole mounting case and common pattern opening The windows and windows are panels, and the general effect of components is sought. According to the twelve key switch of the present invention, in the key switch according to the first aspect of the present invention, the mounting housing is a rectangular housing provided with a through hole in a central portion, and three sets of appliances are provided along the long side. The mounting part, the outer dimension of the short side of the device body is formed according to about one third of the long side direction of the through hole, and the device body is respectively mounted on three sets of appliance mounting parts of the mounting housing A plate having an opening window longer and wider than the through hole size is provided on the front side of the mounting housing, and each plate is formed to have a size that is one-third of the opening window range of the plate. The keys are arranged in the opening of the board in the direction of the long side of the mounting housing such that the center of each key and the center of each body face each other, except: In addition to the same effect as that of the present invention 1, it is also possible to use a mounting with a common pattern through hole even when using three switch bodies, and when using one or two switch bodies. With shell and have common style Opening the window plate, and seek universal validity member

477993 V. Description of Invention (48) Fruit.

IBiil Page 51

Claims (1)

477993 Six patent application scopes • A keyboard-type switch, including, ~ ~ made snap buttons, and each t-side of the snap button is set to press the button to perform the button operation ... Also called the switch mechanism of the flip, p 荀 said to make contact, and Tian Xie and Wu 5 Hai switch mechanism of Thunder X to connect with the terminal screw with a remote | electrical connection for the installation of embedded wiring appliances;:; : = To be able to be installed to the said: Turn the terminal screw to press the wire 'i: L The key switch according to item 1 of the patent scope, which makes the wire inserted into the adjacent surface and penetrates through to place the said ^ Σ in the wire inserter body and the screw facing the head of the terminal screw ^ The terminal plate is inserted through the terminal screw and rotated > There are laminations between the nuts at the front end of the terminal screw that hold the electric wire inserted from the electric wire insertion port: • The key switch according to item 2 of the patent application scope, wherein the screw through hole is penetrated It is arranged on a concave portion provided on the body. Z $ The key switch according to item 1 of the scope of patent application, wherein the terminal screw is mounted on the terminal board in a form of coiling the electric wire. • The key switch according to item 1 of the scope of patent application, wherein the contact is configured as a contact for a single-pole single-throw single-pole switch. The key switch according to item 1 of the scope of patent application, wherein the contact is a contact configuration of a three-way switch for unipolar switching. Page 52 477993 VI. Scope of patent application 7 · The key switch according to item 1 of the scope of patent application, wherein the contact is set as the contact structure of a two-pole switch for two-pole single-throw. 8 · The key switch according to item 1 of the scope of patent application, wherein the contact is a contact configuration of a 4-way switch for unipolar switching. 9 · The key switch according to item 5 or 6 or 8 of the scope of patent application, wherein a position indicator light indicating a position and lighting is housed in the device, and the light of the position indicator light is emitted to the outside The indicating portion is provided on the keyboard. I 0 · The key switch according to item 1 of the scope of patent application, wherein the The mounting shell is a rectangular shell with a through hole in the center, and three sets of appliance mounting components are provided along the long side direction. The outer dimension of the short side of the device body is about three minutes according to the long side direction of the through hole. One of them is formed, and at the same time, the device body is mounted on a set of appliance mounting members at the center of the mounting housing, and the front side of the mounting housing is provided with a length longer than that of the through hole. The wider opening window plate is formed with the size of almost the entire range of the closed plate opening window, and in the direction of the long side of the mounting housing, the center of the key and the body of the body are formed. The keys face each other in the form of centers facing each other. II · The key switch according to item 1 of the scope of patent application, wherein the mounting housing is a rectangular housing provided with a through hole in the central portion, and three sets of appliance mounting components are provided along the long side. The outer dimension of the short side of the device body is formed according to about one third of the long side direction of the through hole, and the device body is respectively installed at both ends in the long side direction of the mounting housing. Page 53 477993 6. On the two sets of appliance mounting parts for which patent application is applied, plates with opening windows that are longer and wider than the through-hole size are provided on the front side of the mounting housing, respectively, respectively. The size of the half of the opening window range of the closing plate is used to form the key. In the direction of the long side of the mounting housing, the center of each key and the center of each body face each other. The keyboard is arranged in the opening of the board. 1 2 · The key switch according to item 1 of the scope of patent application, wherein the mounting housing is a rectangular housing provided with a through hole in the center, and three sets of appliance mounting components are provided along the long side. The outer dimension of the short side of the device body is formed according to about one third of the long side direction of the through hole. At the same time, the device body is respectively installed on three sets of appliance mounting parts of the mounting housing, A plate having an opening window that is longer and wider than the through-hole size is provided on the front side of the mounting housing, and the keys are formed with a size that is one-third of the range of the opening window of the plate, respectively. The keys are arranged in the opening of the plate in the longitudinal direction of the mounting case such that the center of each key and the center of each body face each other. Page 54