CN1312570A - Musical-instrument-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

Piano key switch

The present invention relates to a kind of pressing operation of key that utilizes and put upside down the piano key switch of contact.

In the past, provided and a kind ofly had key switch main body front one side that to carry out pressing operation, to install to an end pivot on the switch main body and to make the form of its back side contact button dispose the piano key switch of key.The formation of its key is the same with the keyboard of piano, an end can be come by entering the other end as fulcrum.And the operating surface of key is with to compare operations area by button bigger, so can also use the position beyond the finger to carry out pressing operation.

But, shown in Figure 153, the formation of switch main body 1 will make it to have with respect to what body 5 can shake freely puts upside down key 31, utilization is put upside down shaking of key 31 and is put upside down the contact, and, in putting upside down key 31, transmit pressing operation by button 32 by putting upside down portion of mechanism, whenever when carrying out pressing operation, put upside down key 31 and alternately shake to opposite direction by button 32.By putting upside down the central portion that switching mechanism portion that key 31 and contact constitute is housed in the left and right directions of body 5, clip the left and right sides portion that switching mechanism portion is housed in terminal respectively body 5.Terminal comprises the terminal board 18,15 of コ font and remains on latch spring 19,16 between the terminal board 18,15 insert mouthful electric wire of 13a, 14a (with reference to Figure 154) insertion body 5 by the electric wire to the back of body 5 (Figure 153 below) opening.Promptly this terminal inserts a mouthful 13a as long as electric wire is inserted electric wire, and 14a just can utilize latch spring 19,16 to carry out the fixing of electric wire and be connected, and being called as speed is terminal.

And, body 5 is in conjunction with the body 5b of the front openings of accommodating switching mechanism portion and will constitute to the lid 5a of the back opening that stretches out previously by the part of button 32, and the terminal that is made of terminal board 18,15 and latch spring 19,16 also is housed in the body 5b.

But, though in described piano key switch, as long as electric wire is inserted electric wire to be inserted mouthful 13a, 14a and just can utilize latch spring 19,16 to carry out fixing of electric wire and be connected, it is fairly simple to construct, but because be only between electric wire insertion end daughter board 18,15 and the latch spring 19,16, so have the defective that bigger electric current is flowed.

In view of the existence of described problem, the objective of the invention is to provide a kind of formation with in the past mutually specific energy increase the piano key switch of current capacity.

For realizing described purpose, the present invention 1 piano key switch, it is characterized in that, comprise: be provided with in front carry out pressing operation by button, all can make the alternately switching mechanism portion of upset of contact to carry out pressing operation by button at every turn, and be electrically connected with this switching mechanism portion, the terminal board that connects electric wire with terminal screw is accommodated and can be installed in the installation that is used for the baried type distributor with the switch main body in the body on the housing; Be configured in front one side of body with direction with respect to form, install to an end pivot on the body and make the key of its back side contact by button by button; Because can be press fit into electric wire on the described terminal board by rotating described terminal screw, thus with in the past formation mutually specific energy increase current capacity.

The present invention 2 piano key switch, it is characterized in that, in the present invention's 1 described piano key switch, on described body, on the adjacent surface of body, connect the right screw through hole of head surface that the electric wire in the described electric wire insertion body is inserted mouth and described terminal screw is set, described terminal board is by connect inserting described terminal screw and rotate described terminal screw, and spiral shell be contained in and between the nut of described terminal screw leading section clamping be set and insert mouthful compressing tablet of the electric wire that inserts from described electric wire.By insert a mouthful insertion electric wire from described electric wire, pass described screw through hole, and rotate described terminal screw, just can only utilize from the operation of body outside and between the described compressing tablet of described terminal board and described nut the clamping electric wire, so construction is simple, and with in the past formation mutually specific energy when improving connection reliability, increase current capacity.

The present invention 3 piano key switch is characterized in that: in the present invention's 2 described piano key switches, described screw is arranged on the recess that is located on the described body by perforation with through hole.Except effect, can also prevent that described terminal screw from stretching out from described body with the present invention 2.

The present invention 4 piano key switch is characterized in that: in the present invention's 1 described piano key switch, described terminal screw is installed on the described terminal board with the form of twining described electric wire.Except effect, can also improve the bonding strength of described electric wire with the present invention 1.

The present invention 5 piano key switch is characterized in that: in the present invention's 1 described piano key switch, be that the contact that makes described contact be made as the single-pole switch that is used for single pole single throw constitutes.Play a part same with the present invention 1.

The present invention 6 piano key switch is characterized in that: in the present invention's 1 described piano key switch, be described contact to be made as be used for the contact of 3 way switch that one pole switches to constitute.Play a part same with the present invention 1.

The present invention 7 piano key switch is characterized in that: in the present invention's 1 described piano key switch, be described contact to be made as be used for the contact of the two-photo pole switch of singly throwing at the two poles of the earth to constitute.Play a part same with the present invention 1.

The present invention 8 piano key switch is characterized in that: in the present invention's 1 described piano key switch, be described contact to be made as be used for the contact of 4 way switch that one pole switches to constitute.Play a part same with the present invention 1.

The present invention 9 piano key switch, it is characterized in that: in the piano key switch described in the present invention 5 or 6 or 8, the position indicator of lighting a lamp for indicating positions is accommodated in the described body, and the instruction unit that the light with position indicator is penetrated to the outside is located on the described key simultaneously.The effect of the invention in having the present invention 5 or 6 or 8, the light that can also utilize position indicator is confirmed the position of piano key switch with comparalive ease in feeling darker environment.

The present invention 10 piano key switch, it is characterized in that: in the present invention's 1 described piano key switch, described installation housing is the rectangular housing that is provided with through hole at central portion, be provided with 3 groups of utensil installing components along long side direction, the overall dimension of described body minor face forms by about 1/3rd of described through hole long side direction, simultaneously described body is installed on one group of utensil installing component of described installation with the housing central portion, the plate that has the openning longer and wideer in described installation with the front one side setting of housing than described clear size of opening, form described key with the size dimension that is close to inaccessible plate openning four corner, with on the long side direction of housing, in the opening of described plate, dispose described key in described installation with the form that allows the central authorities of the central authorities of key and described body face one another.Except have with the same effect of the present invention 1, even under the situation of using 1 switch main body, in the time of also can using and use 2 or 3 switch main bodies, can both use installation with housing and plate, therefore can seek the generalization of parts with common style openning with common style through hole.

The present invention 11 piano key switch, it is characterized in that: in the present invention's 1 described piano key switch, described installation housing is the rectangular housing that is provided with through hole at central portion, be provided with 3 groups of utensil installing components along long side direction, the overall dimension of described body minor face forms by about 1/3rd of described through hole long side direction, simultaneously described body is installed in respectively on 2 groups of utensil installing components of described installation with the long side direction two ends of housing, the plate that has the openning longer and wideer in described installation with the front one side setting of housing than described clear size of opening, half size dimension with each self-blocking plate openning scope respectively forms described key, in described installation with on the long side direction of housing, to allow the central authorities of each key in the opening of described plate, dispose described key with the form that the central authorities of described each body face one another respectively.Except have with the same effect of the present invention 1, even under the situation of using 2 switch main bodies, the installation that has common style through hole in the time of also can using and use 1 or 3 switch main bodies can be sought the generalization of parts with housing and plate with common style openning.

The present invention 12 piano key switch, it is characterized in that: in the present invention's 1 described piano key switch, described installation housing is the rectangular housing that is provided with through hole at central portion, be provided with 3 groups of utensil installing components along long side direction, the overall dimension of described body minor face forms by about 1/3rd of described through hole long side direction, simultaneously described body is installed in described installation respectively with on 3 groups of utensil installing components of housing, the plate that has the openning longer and wideer in described installation with the front one side setting of housing than described clear size of opening, a size dimension of/3rd with each self-blocking plate openning scope respectively forms described key, in described installation with on the long side direction of housing, to allow the central authorities of each key in the opening of described plate, dispose described key with the form that the central authorities of described each body face one another respectively.Except have with the same effect of the present invention 1, even under the situation of using 3 switch main bodies, the installation that has common style through hole in the time of also can using and use 1 or 2 switch main bodies is with housing and plate with common style openning, and seeks the generalization of parts.

Below accompanying drawing and symbol thereof are done simple declaration.

Fig. 1 is the three-dimensional exploded view of the switch main body of the expression embodiment of the invention 1.

Fig. 2 is the stereogram of the same switch main body of expression.

Fig. 3 is the front view of the same switch main body of expression.

Fig. 4 is the upward view of the same switch main body of expression.

Fig. 5 is the rearview of the same switch main body of expression.

Fig. 6 is the left view of the same switch main body of expression.

Fig. 7 is the right view of the same switch main body of expression.

Fig. 8 is the cutaway view of the same switch main body of expression.

Fig. 9 is the same front view of switch main body after having removed lid of expression.

Figure 10 is near the same axial region of expression, (a) is the cutaway view before key is installed, and (b) is the cutaway view after key is installed.

Figure 11 is the same action specification figure.

Figure 12 is the same action specification figure.

Figure 13 is the same action specification figure.

Figure 14 is the same action specification figure.

Figure 15 be the same, with the three-dimensional exploded view under the user mode of a key.

Figure 16 be the same, with the front view under the user mode of a key.

Figure 17 be the same, with the left view under the user mode of a key.

Figure 18 be the same, with the right view under the user mode of a key.

Figure 19 be the same, with the rearview under the user mode of a key.

Figure 20 be the same, with the vertical view under the user mode of a key.

Figure 21 be the same, with the upward view under the user mode of a key.

Figure 22 is the front view of the key of the same use of expression.

Figure 23 is the C-C line cutaway view among expression Figure 22.

Figure 24 is the stereogram of a same key.

Figure 25 is the three-dimensional exploded view of a same key.

Figure 26 is the three-dimensional exploded view of the same famous brand lid, door, card.

Figure 27 (a) is the rearview of the same famous brand lid, (b) is sectional view famous brand lid, door, card, door, card.

Figure 28 is the three-dimensional exploded view that the back side one side from a same key looks.

Figure 29 is the stereogram that the back side one side from a same key looks.

Figure 30 is the sectional view that blocks a part from a same key.

Figure 31 is the stereogram of a key of the same use of expression.

Figure 32 is the three-dimensional exploded view of a key of the same use of expression.

Figure 33 be the same, with the three-dimensional exploded view under the user mode of 2 keys.

Figure 34 be the same, with the front view under the user mode of 2 keys.

Figure 35 be the same, with the left view under the user mode of 2 keys.

Figure 36 be the same, with the right view under the user mode of 2 keys.

Figure 37 be the same, with the rearview under the user mode of 2 keys.

Figure 38 be the same, with the vertical view under the user mode of 2 keys.

Figure 39 be the same, with the upward view under the user mode of 2 keys.

Figure 40 is the front view of the key of the same use of expression.

Figure 41 is the C-C line cutaway view among expression Figure 40.

Figure 42 is the stereogram of the same 2 keys.

Figure 43 is the three-dimensional exploded view of the same 2 keys.

Figure 44 is the stereogram of the same 2 keys.

Figure 45 is the three-dimensional exploded view of the same 2 keys.

Figure 46 be the same, with the three-dimensional exploded view under the user mode of 3 keys.

Figure 47 be the same, with the front view under the user mode of 3 keys.

Figure 48 be the same, with the left view under the user mode of 3 keys.

Figure 49 be the same, with the right view under the user mode of 3 keys.

Figure 50 be the same, with the rearview under the user mode of 3 keys.

Figure 51 be the same, with the vertical view under the user mode of 2 keys.

Figure 52 be the same, with the upward view under the user mode of 3 keys.

Figure 53 is the front view of the key of the same use of expression.

Figure 54 is the C-C line cutaway view among expression Figure 53.

Figure 55 is the stereogram of the same 3 keys.

Figure 56 is the three-dimensional exploded view of the same 3 keys.

Figure 57 is the stereogram of the same 3 keys.

Figure 58 is the three-dimensional exploded view of the same 3 keys.

Figure 59 is the longitudinal sectional view of the same embodiment of expression.

Figure 60 is the transverse sectional view of the same embodiment of expression.

Figure 61 is the front view that expression is used in the plate on the same embodiment.

Figure 62 is that expression is used in the end view after the part clipped on the plate on the same embodiment.

Figure 63 is the rearview that expression is used in the plate on the same embodiment.

Figure 64 is the upward view that expression is used in the plate on the same embodiment.

Figure 65 is the front view that expression is used in the plate on the same embodiment.

Figure 66 is that expression is used in the end view of clipping on the plate housing on the same embodiment after the part.

Figure 67 is the rearview that expression is used in the plate housing on the same embodiment.

Figure 68 is the cutaway view that expression is used in the plate housing on the same embodiment.

Figure 69 is the front view that expression is used in the decorative panel on the same embodiment.

Figure 70 is that expression is used in the end view of clipping on the decorative panel housing on the same embodiment after the part.

Figure 71 is the rearview that expression is used in the decorative panel on the same embodiment.

Figure 72 is that expression is used in the vertical view of clipping on the decorative panel housing on the same embodiment after the part.

Figure 73 is the three-dimensional exploded view of the expression embodiment of the invention 2.

Figure 74 is the three-dimensional exploded view of the same switch main body of expression.

Figure 75 is the front view of the same switch main body of expression.

Figure 76 is the upward view of the same switch main body of expression.

Figure 77 is the rearview of the same switch main body of expression.

Figure 78 is the left view of the same switch main body of expression.

Figure 79 is the right view of the same switch main body of expression.

Figure 80 is the cutaway view of the same switch main body of expression.

Figure 81 is the same front view of switch main body after having removed lid of expression.

Figure 82 is the same action specification figure.

Figure 83 is the same action specification figure.

Figure 84 is the same action specification figure.

Figure 85 is the same action specification figure.

Figure 86 is the three-dimensional exploded view of the switch main body of the expression embodiment of the invention 3.

Figure 87 is the stereogram of the same switch main body of expression.

Figure 88 is the front view of the same switch main body of expression.

Figure 89 is the upward view of the same switch main body of expression.

Figure 90 is the rearview of the same switch main body of expression.

Figure 91 is the left view of the same switch main body of expression.

Figure 92 is the right view of the same switch main body of expression.

Figure 93 is the cutaway view of the same switch main body of expression.

Figure 94 is the same front view of switch main body after having removed lid of expression.

Figure 95 is the three-dimensional exploded view of the switch main body of the expression embodiment of the invention 4.

Figure 96 is the stereogram of the same switch main body of expression.

Figure 97 is the front view of the same switch main body of expression.

Figure 98 is the upward view of the same switch main body of expression.

Figure 99 is the rearview of the same switch main body of expression.

Figure 100 is the left view of the same switch main body of expression.

Figure 101 is the right view of the same switch main body of expression.

Figure 102 is the cutaway view of the same switch main body of expression.

Figure 103 is the same front view of switch main body after having removed lid of expression.

Figure 104 is the three-dimensional exploded view of the switch main body of the expression embodiment of the invention 5.

Figure 105 is the stereogram of the same switch main body of expression.

Figure 106 is the front view of the same switch main body of expression.

Figure 107 is the upward view of the same switch main body of expression.

Figure 108 is the rearview of the same switch main body of expression.

Figure 109 is the left view of the same switch main body of expression.

Figure 110 is the right view of the same switch main body of expression.

Figure 111 is the cutaway view of the same switch main body of expression.

Figure 112 is the same front view of switch main body after having removed lid of expression.

Figure 113 is the circuit diagram of the same internal circuit of expression.

Figure 114 is the stereogram of a same key of expression.

Figure 115 is the three-dimensional exploded view of a same key of expression.

Figure 116 is the stereogram that the back side one side from a same key looks.

Figure 117 is the three-dimensional exploded view that the back side one side from a same key looks.

Figure 118 is the stereogram that the back side one side from a same key looks.

Figure 119 is the cutaway view of a same key.

Figure 120 is the stereogram of a same key.

Figure 121 is the three-dimensional exploded view of a same key.

Figure 122 is the stereogram of the same 2 keys.

Figure 123 is the three-dimensional exploded view of the same 2 keys.

Figure 124 is the stereogram of the same 2 keys.

Figure 125 is the three-dimensional exploded view of the same 2 keys.

Figure 126 is the stereogram of the same 3 keys.

Figure 127 is the three-dimensional exploded view of the same 3 keys.

Figure 128 is the three-dimensional exploded view that the back side one side from 3 the same keys looks.

Figure 129 is the cutaway view of the same 3 keys.

Figure 130 is the cutaway view of the same 3 keys.

Figure 131 is the stereogram of the same 3 keys.

Figure 132 is the three-dimensional exploded view of the same 3 keys.

Figure 133 is the three-dimensional exploded view of the switch main body of the expression embodiment of the invention 6.

Figure 134 is the stereogram of the same switch main body of expression.

Figure 135 is the front view of the same switch main body of expression.

Figure 136 is the upward view of the same switch main body of expression.

Figure 137 is the rearview of the same switch main body of expression.

Figure 138 is the left view of the same switch main body of expression.

Figure 139 is the right view of the same switch main body of expression.

Figure 140 is the cutaway view of the same switch main body of expression.

Figure 141 is the same front view of switch main body after having removed lid of expression.

Figure 142 is the circuit diagram of the same internal circuit of expression.

Figure 143 is the three-dimensional exploded view of the switch main body of the expression embodiment of the invention 6.

Figure 144 is the stereogram of the same switch main body of expression.

Figure 145 is the front view of the same switch main body of expression.

Figure 146 is the upward view of the same switch main body of expression.

Figure 147 is the rearview of the same switch main body of expression.

Figure 148 is the left view of the same switch main body of expression.

Figure 149 is the right view of the same switch main body of expression.

Figure 150 is the cutaway view of the same switch main body of expression.

Figure 151 is the same front view of switch main body after having removed lid of expression.

Figure 152 is the circuit diagram of the same internal circuit of expression.

Figure 153 represents the cutaway view of example in the past.

Figure 154 is the same rearview.

In above-mentioned accompanying drawing, the 1-switch main body; The 5-body; The 5b-body; The 5a-lid; The 15-terminal board; The 15b-compressing tablet; The 18-terminal board; The 18b-compressing tablet; 32-presses button; 313a-screw through hole; 314a-screw through hole; The 316-nut; The 317-terminal screw; The 319-nut; The 321-terminal screw.

Embodiment 1

Embodiments of the invention are described below with reference to the accompanying drawings.

As shown in figure 15, the piano key switch of present embodiment comprises: having by button 32, and carry out the switch main body 1 that pressing operation all can make the contact upset at every turn, with be provided with respect to the form of switch main body 1 front (Figure 15's is top) with direction, one end pivot is installed on the switch main body 1, can push key 43 simultaneously by button 32.The body 5 of switch main body 1 is the rectangular housing shape, is had the installation housing 2 of utensil installation with through hole 2a and keeps.And, stress the folded longer and wideer openning 120a of through hole 2a that has than housing 2 is installed, the plate of 130a (plate housing 120 and decorative panel 130) of being provided with in the front one that housing 2 is installed.Housing 2 is installed on long side direction, is had 3 groups of utensil installing hole 2b as the utensil installing component.

Below, at first utilize Fig. 1～9 that switch main body 1 is described.The body 5 of switch main body 1 is a cuboid, by forming jointly as the body 5b of the front openings of forming synthetic resin product and the lid 5a that is combined in the back opening of body 5b front face side.That is, rearward extend from the trailing edge of the minor face two side of lid 5a installation sheet 3 is set,, come in conjunction with body 5b and lid 5a by an installing hole 4 that is arranged on the installation sheet 3 is attached on the installation projection 6 that is formed on body 5b minor face two sides.Formation makes it to stretch out the more little inclined plane 6a of size from body 5b near lid 5a more on installation projection 6, makes lid 5a near body 5b as long as apply active force, just can be attached to installation sheet 3 simply and install on the projection 6.

The minor face size of body 5 forms with the size that can install 3 on the installation housing that the baried type distributor that is called big angle logotype shape (with reference to JIS C8304) used in when construction.That is, set long side direction measure-alike of the long side direction size of through hole 2a of described installation housing 2 and the installation housing through-hole that the baried type distributor uses when construction.Therefore, the minor face of the body 5 of the switch main body shown in the present embodiment 1 be of a size of the through hole 2a that housing 2 is installed the long side direction size about 1/3.With this size and big angle logotype shape distributor the same being called " a module size ".

On the other hand, the long side direction size of body 5 is approximately equal to the minor face size of through hole 2a, each side at the long side direction of the lid 5a that forms body 5 front portions, respectively by can be in conjunction with mounting jaw 11a, the 11b of the described utensil installing hole 2b on the position of being located at the through hole 2a that surrounds installation housing 2 to being provided with, by mounting jaw 11a, 11b are attached on the utensil installing hole 2b, make body 5 be mounted housing 2 and keep.On long side direction one side's of lid 5a sidewall, form two cut-in groove 11c of the open fore-and-aft direction in rear end, the position between two cut-in groove 11c forms has the flexual sheet 11d that scratches to thickness direction.The back side of scratching sheet 11d one side in lid 5a forms cavity 12, scratches sheet 11d to lid 5a inside bend by making, and mounting jaw 11a is retreated from the side elastic of lid 5a.

Therefore, the mounting jaw 11b of the long side direction one side side that is located at lid 5a is inserted the utensil installing hole 2b that housing 2 is installed, mounting jaw 11a is retreated from the side elastic of lid 5a, as body 5 being inserted the through hole 2a of installing hole 2, mounting jaw 11a is inserted into utensil installing hole 2b, and body 5 is mounted housing 2 and keeps.And if be pressed into lid 5a scratching sheet 11d, mounting jaw 11a breaks away from from utensil installing hole 2b, can pull down body 5 from housing 2 is installed.Scratching sheet 11d rearward end lateral surface, scratch sheet 11d in order easily to be pressed into, be provided with and push protruding 11e.Housing 2 is installed as described later, on the same construction surface that is installed in wall etc. with the baried type distributor, the rear portion of body 5 is embedded in the construction surface.

But, the inner space of body 5b is divided into Room 3 on long side direction, and the zoning of both sides forms the reception room 13,14 of accommodating terminal, and central portion forms the central reception room 23 of accommodating switching mechanism portion.In terminal accommodating chamber 13, accommodate by terminal board 18, terminal screw 317 with by spiral shell and be contained in the terminal that the rectangle nut 319 of terminal screw 317 leading sections constitutes; In terminal accommodating chamber 14, accommodate by terminal board 15, terminal screw 321 with by spiral shell and be contained in the terminal that the rectangle nut 316 of terminal screw 321 leading sections constitutes.And, on the rear wall of the body 5b of corresponding terminal reception room 13,14, shown in Fig. 5,8, connect and each a pair of electric wire is set inserts mouthful 13a, a 14a.And, form recess 313,314 respectively in the two sides of the long side direction of the body 5b of corresponding terminal reception room 13,14, at each recess 313,314, connect the screw through hole 313a that head that terminal screw 317,321 is set is faced respectively, 314a.In other words, terminal screw 317,321 so that its head surface to screw through hole 313a, the form of 314a is housed in respectively in each terminal accommodating chamber 13,14 of body 5b.Be that electric wire inserts mouthful 13a, 14a and screw through hole 313a, 314a is formed on the adjacent face.And screw through hole 313a, 314a are formed on recess 313,314, so can prevent that terminal screw 317,321 is stretched under the state of terminal screw 317,321 that relaxes from body 5.

On the other hand, each terminal board 18,15 has anter 18a, 15a, with set in anter 18a, 15a rear, connect and insert terminal screw 317,321, by rotary terminal screw 317,321 it is tightened, thereby compressing tablet 18b, the 15b of the electric wire that mouthful 13a, 14a insert are inserted in clamping from electric wire between terminal screw 317,321 and nut 319,316.At this, on compressing tablet 18b, 15b, form in the face of an end and open, connect slotting groove 18g, the 15g of the U font of inserting terminal screw 317,321.Set position relation and terminal screw 317,321 length dimensions that terminal board 18,15 and electric wire insert mouthful 13a, 14a, make it with the state that relaxes of not tightening terminal screw 317,321 inserting from electric wire between compressing tablet 18b, the 15b and nut 319,316 of electric wire insertion end daughter board 18,15 that mouthful 13a, 14a import body 5.Therefore, in order on terminal board 18,15, to connect electric wire respectively, insert mouthful 13a, a 14a insertion electric wire from the electric wire of body 5, by screw through hole 313a, 314a, leading section with the such instrument of yi word pattern screwdriver is tightened terminal screw 317,321 by rotation, shortens the distance between compressing tablet 18b, the 15b of nut 319,316 and terminal board 18,15 in view of the above.Along with electric wire is held and fixes, simultaneously, be electrically connected between the heart yearn of electric wire and the terminal board 18,15.But be not that terminal inserts electric wire like that just, come link daughter board 18,15 and electric wire by tight terminal screw 317,321 in the past speed, thus with speed be terminal mutually specific energy improve the performance that is electrically connected, and the bigger electric current that flows.In the terminal of this structure,, be necessary that the electric wire insertion amount that makes electric wire insert mouthful 13a, 14a keeps certain for obtaining status of electrically connecting and the required performance of status of electrically connecting as electric wire.For this reason, whether the amount of shelling the insulation covering in order to confirm simply is certain, forms location notch 22 in the back of body 5b.Shell when insulation-coated, can make the end of electric wire confirm the amount that insulation covers of shelling in conjunction with location notch 22.And, if by screw through hole 313a, 314a, with the leading section of the such instrument of the yi word pattern screwdriver terminal screw 317,321 that relaxes, then the distance between compressing tablet 18b, the 15b of nut 319,316 and terminal board 18,15 increases, chucking power to electric wire weakens, so electric wire can come off in this state.

On the terminal board 18 of being accommodated by terminal accommodating chamber 13, the contact retention tab 18d that inserts central reception room 23 forms one, establishes fixed contact 25 at the leading section of contact retention tab 18d.And, on the terminal board 15 of being accommodated, be extended to the contact sheet 15d of central reception room 23 and stretch out by terminal accommodating chamber 14, form along the supporting pieces 15e of the rear wall inner peripheral surface configuration of central reception room 23 at the leading section of contact sheet 15d.Both sides at contact sheet 15d pars intermedia are provided with spacer 15h, the long side direction of body 5b can control end daughter board 15 move.The back end in contact supporting pieces 15e of the switch element 24 that constitutes by plate shape conductive plate.Both sides, rear portion at switch element 24 are provided with protuberance 28, and protuberance 28 is located at the position regulation recess 27 of the front end one side insertion V-shape of central reception room 23.Therefore, switch element 24 can contact the state of supporting pieces 15e with rearward end, is that rotate in the scope of position regulation recess 27 at the center with the back edge.It is relative with contact retention tab 18d direction that deploy switch element 24 makes it, be arranged on contact retention tab 18d on the relative position of fixed contact 25 directions on, be provided with the moving contact 29 that constitutes contact 100 with fixed contact 25.That is, by rotating switch element 24, make moving contact 29 and fixed contact 25 or connect or from, can select the state and the released state of electric connection terminal plate 15 and terminal board 18.In a word, in the present embodiment, be configured for the contact 100 of single-pole switch (so-called single-pole switch) of the single pole single throw of 11 ground configuration fixed contact 25 and moving contact 29, between for example inserting contact 100 power supplys and load, as provide the single-pole switch of power supply to use to load.

Described each a pair of electric wire inserts through hole 13a, 14a, is electrically connected at same terminal board 18,15 with an electric wire that inserts from electric wire insertion mouthful 13a, 14a respectively.Promptly, two electric wires that can switch the terminal board 18 of being accommodated by terminal accommodating chamber 13 from correspondence simultaneously insert the electric wires that through hole 13a inserts, the conducting, non-conduction of inserting the electric wire that through hole 14a insert with two electric wires of the terminal board 15 of being accommodated by terminal accommodating chamber 14 from correspondence be used so can insert the electric wire insertion holes that the side of through hole 13a, 14a uses as the conveying distribution to the electric wire of paired setting.At this, be raised to lid 5a one side in order not make terminal board 18,15, the pushing of anter 18a, 15a that forms contact jaw daughter board 18,15 on the inner peripheral surface of lid 5a used lug boss 53.

On the suitable position of body 5b back, be provided with the surface record 56 of the formation of expression contact 100, the mark of representing type, expression rated capacity etc.Sneak into siliceous inorganic compound or siliceous pigment in the material that forms body 5b, illuminating laser beam makes this surface put down in writing 56 quality, thereby obtains the model of surface record 56.Forming this surface record 56 o'clock, utilize material, even also can produce clear and definite contrast effect with lower-powered laser beam by the pigment coloring of suitable selection.

But contact 100 is with for the turnover spring 30, the upset key 31 that switch element 24 are rotated is provided with, constitute switch formation portion by button 32, sliding cam 33, recovery spring 37.Turnover spring 30 is helical springs, inserts the spring seat slice 24a that is located at switch element 24 forward positions in the rearward end of turnover spring 30, and leading section is housed in the 31a of tube portion that is located at the back opening on the upset key 31.Upset key 31 is set in place in the through hole 52 of the diapire of the recess 51 of the front of lid 5a by perforation, and its leading section exposes in the front of lid 5a.And, the triangular shaped fulcrum projection 31b that its leading section becomes tip is set in the two sides of upset key 31 pars intermedias, utilization is shaken the key 31 of installation upset freely at the 50 Zhi Zhidian projectioies 31b of bearing portion that the dual-side of through hole 52 forms, rearward opens with respect to lid 5a.That is,, simultaneously fulcrum projection 31b is inserted bearing portion 50, upset key 31 can be shaken freely with respect to lid 5a the through hole 52 of the leading section of upset key 31 from rear insertion lid 5a.As previously discussed, upset key 31 connects switch elements 24 through turnover spring 30, and upset key 31 1 shakes, turnover spring 30 in swing range by being compressed maximum position.Put upside down to the elastic force direction of switch element 24 effects from turnover spring 30 front and back in this position, utilizes the rapid moving switch element 24 of elastic force of turnover spring 30.

But, in upset key 31, the relevant a pair of associated protrusion 34 of forwards outstanding and sliding cam 33 is set in the both sides of the extending part, front of lid 5a by through hole 52.The formation of sliding cam 33 is: when to be located on the lid 5a carry out pressing operation by button 32 time, make it position relation according to upset key 31, shake in the face of direction comprising upset key 31, along the back side slip of press button 32.Formation about sliding cam 33 is narrated later on.

Has the guide protrusion of protruding to the rearward end of two lateral surfaces of growing the limit 36 by button 32, by on the guide channel 35 at the inner peripheral surface rear portion, both sides of the recess 51 that is formed on lid 5a along fore-and-aft direction, inserting guide protrusion 36, it is moved freely at fore-and-aft direction, and stop it forwards to extract.

In back protruding 32d is set,, installs in the back of pressing button 32 and recover spring 37 by inserting protruding 32d among the hole 37d that on the plain film 37b of the recovery spring 37 that constitutes by flat spring, bores a hole by button 32.Recovering spring 37 is that 2 recovery spring leaf 37a that rearward expand from plain film 37b are extended setting and formation as one, and the bottom surface by the leading section bullet of the spring leaf 37a that recovers spring 37 is received recess 51 makes by button 32 and forwards draws close.

It is square shape that sliding cam 33 utilizes limber thermoplastic resin formed as polyacetals, the associated cams body 38 of the associated protrusion 34 of corresponding upset key 31 is set in the back of relative side portion, and its shape is the central portion that makes a pair of spring leaf 33a (with reference to Figure 11) become splayed and be set at other side portion as one.As shown in figure 11,, the sliding cam 33 that slides freely is installed, and is utilized the elasticity of spring leaf 33a to give sliding cam 33 restoring forces in the back of pressing button 32 by the protruding 32a that is located at by button 32a back is inserted between the described two spring leaf 33a.

Face side end pivot dress key 43 at the lid 5a of the body 5 of switch main body 1 is made as one to a pair of axial region 192 to oblique the place ahead protrusion.The leading section of axial region 192 forms cylindrical along the short side direction of lid 5a.As shown in figure 10, be provided with a metal bearing that forms by flat spring in an end at key 43 back sides and install to the bearing portion 191 that embeds with on the 191a of hole with spring 191b.Embedding has lockhole 190 with hole 191a in inner peripheral surface one side, pins to be housed in to embed with prevent the come off pawl 191c of the bearing in the 191a of hole with spring 191b, firm grip bearing spring 191b.Bearing is bent to form with spring 191b, its front end is stretched into embed with in the 191a of hole, uses protuberance 191d and embeds with hole 191a clamping axial region 192.

Because near the opening that embeds with hole 191a, be provided with bearing with spring 191b protuberance 191d, so the opening amplitude is also narrower than the inside that embeds with hole 191a.If make the elastic force of the axial region that is located on the switch main body 1 192 opposing bearings with spring 191b, elasticity embeds uses hole 191a, and then axial region 192 and bearing portion 191 are adorned by pivot, makes it to be not easy splitly to get off.So, by axial region 192 being embedded bearing portion 191 and making it to rotate freely, just can rotate pivot dress key 43 freely.And, rearward be provided with the sheet 43a that comes off that prevents of the usefulness that prevents to come off in other ends of key 43.The sheet 43a that prevents to come off is inserted in the cavity 12 by the patchhole 54 that is formed on lid 5a antetheca, is locked together in the periphery of patchhole 54 by the sealed pawl 43b that is located at the sheet 43a leading section that prevents to come off, and controls the slewing area of key 43.As shown in Figure 3, be provided with 3 patchholes 54 side by side.

As mentioned above, by key 43 is installed on the switch main body 1, pressing operation being carried out in described his end of key 43, can be that key 43 is rotated at the center with axial region 192, bearing portion 191 and pivot dress portion just.Be provided with pair of switches operation reinforcement 43c in the back of key 43,, just can utilize described switching manipulation reinforcement 43c handle to be located at and be pressed into body 5 by button 32 on the switch main body 1 as key 43 is carried out pressing operation.

The working condition of the described switch main body 1 of following simple declaration.Figure 11 represents the state of moving contact 29 contact fixed contacts 25, and the state of closing contact 100 promptly is shown, and upset key 31 is poured on the right side of figure.At this moment, sliding cam 33 is positioned at the middle position of moving range by spring leaf 33a.As key 43 (omitting diagram in Figure 11) being implemented pressing force with this state, then recover spring 37 and be pressed into body 5 by button 32 opposings, sliding cam 33 is with moving to the below of Figure 11 (b) by button 32.At this moment, the left part that the associated cams body 38 in the left side of the associated cams body 38 in left side contact upset keys 31 is pushed upset key 31 among the figure of sliding cam 33 is so upset key 31 is to turn left in the center with the front end of fulcrum projection 31b.Associated cams body 38 set in sliding cam 33 left sides are on the position more left than the associated protrusion 34 in upset key 31 left sides.Be accompanied by the rotation of upset key 31, sliding cam 33 is pushed to left, and as shown in figure 12, slide in sliding cam 33 left side in figure.So, as shown in figure 13, be poured on the left side of figure by upset key 31, turnover spring 30 upsets, switch element 24 upsets, moving contact 29 upsets are that contact 100 upsets are open state for the state that breaks away from from fixed contact 25.Then, when removing the pressure that acts on the key 43, as shown in figure 14, utilize the elastic force that recovers spring 37 to make by button 32 and restore to the original state, contact also recovers original position by the key of button 32.And meanwhile, sliding cam 33 also slides by the elastic force of spring leaf 33a, returns to middle position.

So, when contact 100 becomes open state, once more key 43 is implemented pressing force, the same with described action, upset key 31 is rotated.But when contact 100 was open state, the associated cams body 38 on associated protrusion 34 contact sliding cam bodies 33 right sides on upset key 31 right sides so upset key 31 turns right, made moving contact 29 contact with fixed contact 25 through turnover spring 30.So, make contact 100 upset after, pressure relief from the key 43 is got back to state shown in Figure 11.In a word, in the present embodiment, whenever key 43 is carried out pressing operation, contact 100 just opens and closes.That is, utilize sliding cam body 33 and the associated protrusion 34 and the recovery spring 37 of upset key 31 to constitute the switching mechanism portion of shaking that the pressing operation by button 32 is converted to upset key 31.

But, 3 switch main bodies 1 with a moulded dimension can be installed, so be called 3 with housing 2 is installed on described installation housing 2.That is, the side in the through hole 2a both sides that housing 2 is installed, 1 time 3 groups 21 group the utensil installing hole 2b of mounting jaw 11a, the 11b of sealed switch main body 1 is set, 2b can select the installation site of 3 switch main bodies 1 in through hole 2a.At this, make the short side direction of switch main body 1 consistent, and 3 installation sites that switch main body 1 are installed to when installing on the housing 2 are become upper end position, middle end position and lower end position respectively with the long side direction of through hole 2a.And, if be used for 1 one of the switch main bodies of 1 moulded dimension are installed to the key 43 that uses when installing on the housing 2, as shown in figure 15, call one with key 43 having with a key 43 that comes overlay (plate housing 120 and decorative panel 130) openning 120a, 130a size level.Equally, if be used for 1 two of the switch main bodies of 1 moulded dimension are installed to 3 keys 43 that use with time on the installation housing 2, as shown in figure 33, being installed on the switch main body 1 respectively, having with two keys 43 that come overlay openning 120a, 130a size level and call two with key 43.And, if be used for 1 two of the switch main bodies of 1 moulded dimension are installed to 3 keys 43 that use with time on the installation housing 2, as shown in figure 46, being installed on the switch main body 1 respectively, having with 3 keys 43 that come overlay openning 120a, 130a size level and call 3 with key 43.

The size relationship of the above-below direction of described 3 kinds of keys 43 (minor face of switch main body 1) is: (1 size up and down with key 43) (2 sizes up and down with key 43) * 2 (3 sizes up and down with key 43) * 3.And as mentioned above, plate openning 120a, 130a have than the longer and wideer size of through hole 2a that housing 2 is installed, and insert switch main body 1 and install on this through hole 2a, so 3 sizes up and down with key 43 are bigger than the size up and down of switch main body 1.That is, any one key 43 all area than the operating surface of pressing button 32 is big, thus pressing operation key 43 to press button 32 than pressing operation easier.

The situation of on the through hole 2a that housing 2 is installed 1 switch main body 1 only being installed is illustrated in 1 on Figure 22～26 with key 43 shown in Figure 15～21.As mentioned above, the bearing portion 191 (with reference to Figure 10) that is provided with in the end at key 43 back sides has near 2 central portions that are set at above-below direction, makes it correspondence and is located at a pair of axial region 192 on the switch main body 1.But, form the bearing spring 191b that is installed in key 43 each bearing portion 191 with 1 continuous member.Key 43 is by two axial regions 192 of switch main body 1 being embedded two bearing portions 191 of key 43, making the center of switch main body 1 above-below direction and 1 center with the above-below direction of key 43 consistent.And, 1 other end, two sheet 43a that prevent to come off are set near the central portion of above-below direction with key 43 back sides, the sheet 43a that respectively prevents to come off is inserted the patchhole up and down 54 of switch main body 1.

But, shown in Figure 24 and 25, at the central portion of the above-below direction of key 43, in described other end one sides, through hole 252 is connected the surface and the back side that is arranged on key 43, from the back side of key 43 the famous brand lid 253 of the such transparent material system of acrylic resin is embedded these through holes 252.Shown in Figure 25～27, famous brand lid 253 is rectangular plate shape, is integrally formed by following part, promptly by: the back side is had the principal part 253a that accommodates recess 253b that accommodates famous brand lid 250; At the front face side of principal part 253a Embedded Division 253c that be provided with size, embedding through hole 252 than the little circle of principal part 253a; From grow the lamellar fixed part 253d of the two sides on limit along principal part 253a to the outstanding setting in both sides; Be connected as a single entity with principal part 253a, from the end on the long limit of principal part 253a to the axle 253e of branch to the outstanding setting in both sides.

On the axle 253e of branch of famous brand lid 253, support door 254, make it to open and close freely with axle.254 shown in Figure 25～27, and this door comprises: the main leaf 254a of rectangular plate shape; The a pair of pin sheet 254b that is provided with from the limit, two ends of main leaf 254a one end; The axis body 254c that is provided with from the leading section side of each pin sheet 254b; Other distolateral operating sheet 254e and a pair of bowl sheet 254f that utilize a pair of breach 254d to cut apart formation at main leaf 254a; The protruding 254g that is provided with is given prominence in leading section side at bowl sheet 254f to both sides.And, can rotate the 253f of bearing portion embed freely to the medial surface opening of the axle 253e of branch of famous brand lid 253 to the axis body 254c of each pin sheet 254b, with axis body 254c be the center open and close famous brand lid 253 accommodate recess 253b.And, the protruding 254g that is located at 254 two bowls of sheet 254f of door,, be pressed into and be locked to the locking part 253g that is formed at along the both sides of the medial surface end on long limit, and be kept closed in the back side one side of the principal part 253a of famous brand lid 253.

On the other hand, as shown in figure 28, on the periphery of the through hole 252 at key 43 back sides, form and embed the embedding recess 255 that rotates the famous brand lid 253 that door 254 is installed freely.On the position relative, be provided with along the raised line 256 on the long limit of through hole 252 with the fixed part 253d direction of the famous brand lid 253 that is positioned at this embedding recess 255.And, be provided with pinning groove 257 in the end sides that prevents pull-off sheet 43a that is formed with embedding recess 255, as shown in figure 30, pin the front end of groove 257 pinnings from the reinforcement 253h of the end setting of the principal part 253a of famous brand lid 253 at this.Promptly, pinning groove 257 as reinforcement 253h is pinned, famous brand lid 253 embedded recesses 255, then can be temporarily fixing famous brand lid 253, by fusing raised line 256 with ultrasonic wave, come the fixed part 253d of famous brand lid 253 with being ultrasonically bonded on the key 43 with this stationary state.

And when accommodating famous brand card 250, pull-up operating sheet 254e opens door 254 from the back side of famous brand lid 253, famous brand card 250 is accommodated the recess of accommodating of famous brand lid 253.Close door 254 with this state, clamping famous brand card 250 between door 254 and famous brand lid 253, the Embedded Division 253c and the principal part 253a of the through hole 252 by embedding key 43 can be from the surface record (for example literal, numeral, symbol etc.) of a surperficial side by visual confirmation famous brand card 250.At this, in the present embodiment, the recess 253b bottom surface side end of accommodating at principal part 253a is provided with a pair of reinforcement 253j that prevents to adhere to, as Figure 27 and shown in Figure 30, utilization prevents to adhere to reinforcement 253j and makes and accommodated the famous brand card 250 that recess 253b accommodates and leave from accommodating recess 253b bottom surface, promptly, when famous brand card 250 is big with the contact area that contacts of accommodating recess 253b bottom surface, accommodate recess 253b bottom surface owing to what electrostatic interaction made that famous brand card 250 is attached to famous brand lid 230, be difficult to take off famous brand card 250, so, utilization prevents to adhere to reinforcement 253j and reduces famous brand card 250 and accommodate contact area between the recess 253b bottom surface, pulls down famous brand card 250 at an easy rate.And, embed the relative two sides of direction of the through hole 252 of recess 255 in clamping, the a pair of described switching manipulation reinforcement 43c of the described switch main body 1 of pressing operation by button 32 is set, at the principal part 253a of famous brand lid 253 reinforcement that connects insertion switching manipulation reinforcement 43c is set and connects insertion through hole 253i, even, can not disturb the pressing operation that utilizes switching manipulation reinforcement 43c by button 32 so famous brand lid 253 is installed yet.

In the present embodiment, as mentioned above, rotate door 254 is installed freely because be, the famous brand lid 253 of handle componentization is fixed on the back side one side of key 43, so when famous brand lid 253 is installed to key 43 surfaces, also the structure that door 254 is installed to key 43 back sides is compared, and has greatly simplified the installation exercise that famous brand lid 253 and door 254 are installed on key 43.

In key 43 lip-deep described other ends, on the middle position of above-below direction, be provided with pressing position indication projection 114, the end that indication should be exerted pressure on key 43 is pressing position indication projection 114 1 sides.And, on key 43 surfaces,, form many decorative threads 115 of striated respectively in the both sides up and down of famous brand lid 253.Decorative thread 115 does not form substantial convex-concave by making on key 43 surfaces, (slightly not making sense) with the hand touch, and on the synthetic resin finished product that forms key 43, produce carburizing reagent, and form by colour developing and other parts generation colour differences with laser beam irradiation.In a word, decorative thread 115 and famous brand lid 253 independent formation.Therefore, not famous brand card 250 and famous brand lid 253 as necessary especially parts, shown in Figure 31 and 32, also can adopt that famous brand card 250, famous brand lid 253 and door 254 are not set with key 43.

But, when on the through hole 2a that housing 2 is installed, 2 switch main bodies 1 being installed, shown in Figure 33～39, switch main body 1 is installed respectively at upper end position and lower end position.2 shown in Figure 40～43 are installed in respectively on each switch main body 1 with key 43.2 the same with key 43 with 3 with key 43, central portion at above-below direction has 2 bearing portions 191, to housing 2 is installed, the installation of being carried out to make be installed in upper end position and lower end position the center of above-below direction of each switch main body 1 consistent with the center of the above-below direction of each key 2.Its result uses and lower end position usefulness even also need not distinguish upper end position at 2 on key 43, but can use jointly.Though 2 sizes up and down with key 43 are different with 1 size up and down with key 43, other formations that comprise famous brand lid 253 are identical with key 43 with 1.Therefore, decorative thread 115 and famous brand lid 253 independent formation, thereby, not famous brand card 250 and famous brand lid 253 as parts of necessity especially, shown in Figure 44 and 45, also can adopt 2 that famous brand card 250, famous brand lid 253 and door 254 are not set with key 43.

When on the through hole 2a that housing 2 is installed, 3 switch main bodies 1 being installed, shown in Figure 46～52, switch main body 1 is installed respectively, 3 shown in Figure 53～56 are installed in respectively on each switch main body 1 with key 43 at upper end position and lower end position.3 one ends, the back side, 4 bearing portions 191 are set by the certain intervals of the axial region 192 of corresponding switch main body 1 with key 43.And the bearing of corresponding last 2 bearing portions 191 and following 2 bearing portions 191 is used as one respectively with spring 192b and forms, and promptly to 4 bearing portions 191, realizes bearing spring body 191b with 2 members.And, 3 with key 43 in, the sheet 43a that prevents to come off is arranged near the central authorities of above-below direction of key 43 one by one.

3 switch main bodies 1 are located at when installing on the housing 2 side by side, and the axial region 192 that is installed in the key 43 flush switch main bodys 1 on the switch main body 1 of middle position is installed in 2 bearing portions 191 of central authorities.That is, with respect to the switch main body 1 of middle position, the center of the above-below direction of switch main body 1 is consistent with the center of the above-below direction of key 43.And the preventing of the key 43 sheet 43a that comes off is inserted in the patchhole 54 of switch main body 1 central authorities, and on the other hand, the axial region 192 that is installed in the key 43 flush switch main bodys 1 on the switch main body 1 of upper end position is installed in 2 bearing portions 191 of downside.That is, about upper end position, set is more upwards departed from than the center of the above-below direction of switch main body 1 in the center of the above-below direction of key 43.The preventing of the key 43 sheet 43a that comes off is inserted in the patchhole 54 of switch main body 1 top.And, be installed in the key 43 on the switch main body 1 of lower end position, be that the axial region 192 of flush switch main body 1 in 2 bearing portions 191 of upside is installed.That is, about lower end position, downward bias is from set more than the center of the above-below direction of switch main body 1 at the center of the above-below direction of key 43, and the preventing of the key 43 sheet 43a that comes off is inserted in the patchhole 54 of switch main body 1 below.And, not famous brand card 250 and famous brand lid 253 as necessary especially parts, shown in Figure 57 and 58, also can adopt 3 that famous brand card 250, famous brand lid 253 and door 254 are not set with key 43.

But the formation of described installation housing 2 will make for the such construction surface of wall can select 3 kinds of installation methods.Example shown in Figure 59 and Figure 60 is the situation that the reinforced concrete wall is constructed, the expression be installed in imbed be arranged at wall W imbed on the case 150 time example.Install housing 2 last slice and down on the sheet, be formed for respectively connecting and insert the slotted hole 2c that screws togather the casing screw that is arranged on the installation tongue piece 151 of imbedding case 150 opening parts.Secondly, be under the situation of wooden wall in construction surface, use the screw that is screwed into construction surface that housing 2 directly is installed sometimes, so also on last and following sheet, be formed for connecting inserting the screwing through hole 2d that uses screw is installed directly.Have again, at last and be provided with on the sheet down when construction surface is the such panel material of plasterboard, pin use hold holding tool accessory installing hole 2e under the arm and screwing togather the screw mounting hole 2f of the mounting screw 123 of mounting panel housing 120 of tool accessory (not having a diagram) end under the arm.

Shown in Figure 65 and Figure 68, be installed in the plate housing 120 that housing 2 fronts are installed with mounting screw 123, be to utilize the such synthetic resin of ABS resin to form the formed products of rectangular housing, on last and following sheet, be respectively equipped with and be used to connect the screw insertion through hole 121 that inserts mounting screw 123.And on the left sheet and right sheet of plate housing 120, each is provided with 3 by one group the pinning hole 122 of inserting the pinning sheet 131 that pins decorative panel 130 respectively.And, at four jiaos of plate housing 120, also be provided with the plate retaining hole 125 that is used to install metal simple and easy refractory slab (not having diagram).Periphery at plate housing 120 forms stage portion 124 along full week.

Shown in Figure 69 and Figure 72, the decorative panel 130 of board housing 120 is the same with plate housing 120, the rectangular housing of utilizing the synthetic resin resemble the ABS resin to form.And, be provided for the pinning sheet 131 of board housing 120 at the back side of decorative panel 130.Decorative panel 130 has the perisporium 132 that rearward extends setting from the neighboring of antetheca, shown in Figure 61～64 like that, on plate housing 120, during overlapping decorative panel 130, make the front of the trailing edge mounting of perisporium 132 to the stage portion 124 of plate housing 120.And plate housing 120 and decorative panel 130 almost do not have circularity in the bight, compare with the situation that forms the radius part, and the manufacturing of metal pattern has become easily.

As utilize mounting screw 123 plate housing 120 to be installed on the installation housing 2 that switch main body 1 is housed, and, when being attached to decorative panel 130 on the plate housing 120, key 43 is installed on the switch main body 1, then can be by central portion openning 120a, the 130a of plate housing 120 and decorative panel 130, make the part of key 43 outstanding, can come key 43 is carried out pressing operation with this state to plate the place ahead.And, 130 pairs of plate housings of decorative panel 120 just pin with pinning sheet 131, so the leading section as the instrument with the in-line screwdriver inserts the dismounting groove 126 that is located at plate housing 120 bottoms, as impose the active force that removes on the decorative panel 130 slave plate housings 120, just can be removing on the decorative panel 130 slave plate housings 120.Therefore, can make with the state that decorative panel 130 is housed and not expose mounting screw 123 on its surface, thereby finish a good outward appearance, also can remove decorative panel 130 with comparalive ease when keeping in repair simultaneously.

Embodiment 2

Present embodiment is illustrated on 2 fixed contacts and contacts moving contact selectively, thus the piano key switch that constitutes as 3 way switch that are used for the one pole switching.Present embodiment is constituting like that shown in Figure 73～81, contains 2 terminal boards 18,20 in terminal accommodating chamber 13.Terminal board 20 and terminal board 18 be the same to have anter 20a and a pressing tablet 20b, is loaded on clamping electric wire between the pressing tablet 20b of the rectangle nut 319 of terminal screw 317 leading sections and terminal board 20 at spiral shell.At this, on terminal board 20, form in the face of an end openly, connect the slotting groove 20g of the U font of inserting terminal screw 317.On the rear wall of body 5b, a pair of electric wire is inserted mouthful 13a, 13a be arranged on the position that correspondence is housed in the terminal board 18,20 in the terminal accommodating chamber 13, to compare with embodiment 1, the distance that electric wire inserts between mouthful 13a, the 13a has increased.Set terminal board 18,20 and electric wire and insert the position relation of mouthful 13a, 13a and the length dimension of terminal screw 317,317, make it to insert between mouthful compressing tablet 18b, the 20b and nut 319,319 of the electric wire insertion end daughter board 18,20 of 13a, 13a importing body 5 from electric wire with the state that the relaxes handle of not tightening terminal screw 317,317.Therefore, for at terminal board 18, connect electric wire on 20 respectively, insert mouthful 13a, a 13a insertion electric wire from the electric wire of body 5, by screw through hole 313a, 313a, tighten terminal screw 317,317 with the leading section of the such instrument of yi word pattern screwdriver, shorten the distance between compressing tablet 18b, the 20b of nut 319,319 and terminal board 18,20 in view of the above, come the clamping electric wire to prevent and come off.

Terminal board 20 have extend to be arranged on terminal board 18 on the contact retention tab 20d of L font at the relative position of retention tab 18d direction, contact, on the retention tab 20d of contact, be provided with and be arranged on fixed contact 25a direction on the terminal board 18 contact 25b that is relatively fixed.Switch element 24 is set between two fixed contact 25a, the 25b, has the moving contact 29 that can contact/leave each fixed contact 25a, 25b at the surface and the back side of switch element 24.That is, be accompanied by upset shaking of key 31 and shaking as switch element 24, then moving contact 29 optionally contacts 2 fixed contact 25a, 25b.Therefore, the electric wire of link daughter board 15 is just to a side of the electric wire of the electric wire that selectively connects link daughter board 18 and link daughter board 20.

And, because other formations are identical with embodiment 1, so same inscape is used prosign and omitted explanation.And, can use the key 43 identical with embodiment 1.The working condition of the described switch main body 1 of following simple declaration.Figure 82 represents the state of moving contact 29 contact fixed contact 25a, the right side that upset key 31 is swung to figure.At this moment, sliding cam 33 places the middle position of moving range by spring leaf 33a.As key 43 (omitting diagram in Figure 82) being implemented pressing force with this state, then recover spring 37 and be pressed into body 5 by button 32 opposings, sliding cam 33 is with moving to the below of Figure 82 (b) by button 32.At this moment, the left part that the associated protrusion 34 in the left side of the associated cams body 38 in left side contact upset keys 31 is pushed upset key 31 among the figure of sliding cam 33 is so upset key 31 is to turn left in the center with the front end of fulcrum projection 31b.The associated cams body 38 in sliding cam 33 left sides is positioned at than on the more left position of the associated protrusion 34 in upset key 31 left sides, is accompanied by the rotation of upset key 31, and sliding cam 33 is pushed to left, and shown in Figure 83, slide in sliding cam 33 left side in figure.So, shown in Figure 84, by the left side that upset key 31 is swung to figure, turnover spring 30 overturns, and switch element 24 upsets are movably put 29 upsets for break away from and contact the state of fixed contact 25b from fixed contact 25a.Then, remove the pressure that acts on the key 43, shown in Figure 85, utilize the elastic force that recovers spring 37 to make by button 32 and restore to the original state, contact also recovers original position by the key 43 of button 32.And meanwhile, sliding cam 33 also slides by the elastic force of spring leaf 33a, returns to middle position.

So, when moving contact 29 becomes the state of contact fixed contact 25b, once more key 43 is implemented pressing force, then the same with described action, upset key 31 is rotated.But, contact 29 is under the state of contact fixed contact 25b, the associated cams body 38 on associated protrusion 34 contact sliding cam bodies 33 right sides on upset key 31 right sides so upset key 31 turns right, makes moving contact 29 separate with fixed contact 25b through turnover spring 30.So, make contact 100 upset after, pressure relief from the key 43 is got back to the state shown in Figure 82.

Embodiment 3

Shown in Figure 86～94, the contact that present embodiment is used for the two-photo pole switch (so-called double-pole switch) singly thrown at the two poles of the earth constitutes.Therefore, respectively 21 group be provided with: the terminal board 18 with fixed contact 25; Seize the switch element 24 of the moving contact 29 of contact/disengaging fixed contact 25, the terminal board 15 of electrical connection switch element 24 on both sides by the arms; Screw through hole 313a, 314a; Terminal screw 317,321; Nut 319,316.And, between each switch element 24 and upset key 31, dispose turnover spring 30 respectively.In upset key 31, be necessary to make two turnover spring 30 mutual insulatings, in upset key 31 so two 31a of tube portion that keep turnover spring 30 are set.And, in central reception room 23, also form insulation dividing wall 23a, be used for cutting apart the space of accommodating each switch element 24, and two switch elements 24 are not contacted between mutually.That is, on the interior perimembranous of body 5b and dividing wall 23a, form and insert the set positions recess 27 that is located at the protuberance 28 on the switch element 24.

And in the present embodiment, the distance between the fulcrum lug boss 31b of the rotating fulcrum of switch element 24 and upset key 31 is bigger than embodiment 1.And, because on per 1 terminal board 18,15, terminal screw 317,321 and nut 319,316 are set, so the distance that constitutes between each electric wire of 1 pair insertion through hole 13a, 14a right electric wire insertion through hole 13a, the 14a is bigger than embodiment 1.

In the present embodiment, 21 group is provided with terminal board 15 and terminal board 18, thus form 2 contacts 100, can the load both sides, and power supply between insert each contact 100.In this sense, the contact of present embodiment formation has just formed so-called double-pole switch.That is, as open contact 100, even establish load ground connection, because of can offered load, so can improve fail safe from the electric current of power supply.

And, because other formations and action are identical with embodiment 1, so the same key element that constitutes is used prosign and omitted explanation.And, can use the key 43 identical with embodiment 1.

Embodiment 4

Shown in Figure 95～103, present embodiment has the contact and is used for the 4 way switch formation that one pole switches.Promptly identical with embodiment 3, in each terminal accommodating chamber 13,14, accommodate nut 319,316 by 317,321 and 21 group of the terminal screw of 18,15 and 21 group of terminal board.And, two switch elements 24 that keep moving contact 29 also are set, between each switch element 24 and upset key 31, dispose turnover spring 30 respectively.In upset key 31, be necessary to make two turnover spring 30 mutual insulatings, in upset key 31 so two 31a of tube portion that keep turnover spring 30 are set.And, in central reception room 23, also form insulation dividing wall 23a, be used for cutting apart the space of accommodating each switch element 24, and two switch elements 24 are not contacted between mutually.

In the present embodiment, on the terminal board 18 of being accommodated, be provided with 21 group fixed contact 25c, 25d by terminal accommodating chamber 13.Promptly, each terminal board 18 has: the contact retention tab 18f that is provided with the curved shape of 21 group fixed contact 25c, 25d in each cut zone that is configured in the central reception room 23 of isolating with dividing wall 23a respectively, the fixed contact 25c of contact retention tab 18f base portion is with respect to dividing wall 23a, be positioned at the same side with terminal board 18, the fixed contact 25d of contact retention tab 18f front end is positioned at an opposite side of terminal board 18 with respect to dividing wall 23a.On the retention tab 18f of contact, the configuration of position between two fixed contact 25c, the 25d will make it to cross one another, and when frontal is seen, shown in Figure 103, is the X font.Isolate before and after the cross part of contact retention tab 18f, be electric insulating state.And under this state, the fixed contact 25d of the fixed contact 25c of a side terminal board 18 and the opposing party's terminal board 18 forms the relative position relation of direction between mutually.

Contact each switch element 24 of the supporting pieces 15e of each terminal board 15, have moving contact 29 on the surface and the back side respectively, be inserted between fixed contact 25c, the 25d that direction is oppositely arranged.That is, when switch element 24 is accompanied by shaking of key 31 of upset and when rotating, can select state that the moving contact 29 of two switch elements 24 contacts fixed contact 25c together and moving contact 29 to contact the state of fixed contact 25d together.Can select to be electrically connected the state that is positioned at the terminal board 15,18 of state of terminal board 15,18 of the same side and the relative side that electrical connection is positioned at dividing wall 23a with dividing wall 23a.Other formations and action are identical with embodiment 1.And can use the key 43 identical with embodiment 1.

Embodiment 5

The basic comprising of present embodiment and embodiment 1 are roughly the same, shown in Figure 104～112, have increased and have the position indicator L1 that is made of neon glim lamp and the expression area B 1 of current-limiting resistance R1.At this, position indicator L1 is described as follows like that, bright lamp under the open state of contact 100.

The indicating area B1 of present embodiment installs on the printed base plate 66 that forms with the L font with resistance R 1 that is made of chip-resistance and the position indicator that is made of the neon glim lamp of the resistance R 1 that is connected in series.And, on printed base plate 66, also connect contact 61a, 62a that the metal belt plate utilize conductivity forms, enable anter 15a, the 18a of each terminal board 15,18 of Elastic Contact.The configuration of the position indicator L1 of expression area B 1 will make it be housed on the lid 5a on the position of corresponding terminal reception room 13, makes contact 61a, the 62a anter 15a of contact jaw daughter board 15,18 respectively, 18a.That is, what form the back opening in an end on the long limit of lid 5a accommodates recess 55, is accommodating collecting position indicator light L1 on the recess 55.

Described contact 61a, 62a is installed in the series circuit that makes resistance R 1 and position indicator L1 on the printed base plate 66 and inserts between the two ends daughter board 15,18.Therefore, if the internal circuit of diagram switch main body 1, then shown in Figure 113.In the present embodiment, constitute contact 100, the series circuit of resistance R 1 and the position indicator L1 contact 100 that is connected in parallel with fixed contact 25 and moving contact 29 each single-pole switch 1, that be used for single pole single throw (so-called single knife switch).According to this formation, if contact 100 is inserted between power supplys and the load, the single knife switch of the power supply that provides to load as ON/OFF uses, when then not providing power supply to load, and the bright lamp of position indicator L1.That is, when using lighting load as load, the bright lamp of position indicator L1 when lighting load is turned off the light also can be confirmed the position of switch main body 1 with comparalive ease in feeling darker environment.

In lid 5a, accommodate in correspondence on the position that is formed on the antetheca at position of recess 55 between the axial region 192 and be communicated with the through hole window 40 of accommodating recess 55, the lampshade 41 with light transmission is installed on through hole window 40.Therefore, see through lampshade 41 and can observe bright lamp/light-off state of confirming position indicator L1.

But, shown in Figure 114～119, in key 43, in an end that is provided with bearing portion 191, at the central portion of above-below direction, as what illustrate, when being installed to key 43 on the switch main body 1 with embodiment 1, be provided with indicating window 112 at the position corresponding, the leading section of instruction unit 113 is embedded this indicating window 112 from the back side of key 43 with lampshade 41 on the switch main body 1.This instruction unit 113 has the manufacturing of radioparent synthetic resin, and fore-end is by being entrenched in the rectangular plate shape main body 113a on the indicating window 112 and forming as one to the lateral plate 113b that the side is provided with from the two sides, end of main body 113a.

On the other hand, shown in Figure 116 and 117, form 3 fore-ends again, on the periphery of the indicating window 112 at key 43 back sides, what the fixing hole 113c that is pressed into the long hole shape on the lateral plate 113b that is located at instruction unit 113 was set is pressed into reinforcement 112a.Promptly the fore-end of main body 113a is embedded indicating window 112, shown in Figure 116 and 119,, instruction unit 113 is fixed on the key 43 being pressed among the fixing hole 113c that reinforcement 112a is pressed into lateral plate 113b from the back side one side of key 43.And, as key 43 is installed on the switch main body 1, the relative configuration of lampshade 41 directions on the rear end face of the main body 113a of instruction unit 113 and the switch main body 1 then.The light of the position indicator L1 that penetrates from lampshade 41 is from the rear end face incident of main body 113a, from the front end face of the main body 113a of chimeric indicating window 112 to external irradiation.And, implement processing at the rear end face of the main body 113a of instruction unit 113, make the light diffusion of incident, expansion field-of-view angle upward.

And, be installed in the past key 43 the back side one side lens and be installed in instruction unit on the indicating window 112 that is located on the key 43 from a surperficial side and be used as miscellaneous part respectively and constitute, but, in the present embodiment, as mentioned above, be that lens are in the past formed instruction unit 113 as one, so can reduce the quantity of parts and installation exercise is oversimplified.And, in the present embodiment, not famous brand card 250 and famous brand lid 253 as necessary especially parts, shown in Figure 120 and 121, can adopt 3 that famous brand card 250, famous brand lid 253 and door 254 are not set with key 43.

And, about being used for 2 switch main bodies 1 are installed in 2 situations with key 43 when installing on the housing, shown in Figure 122 and 123, have with 1 with key 43 same indicating window 112 and instruction unit 113.And, not famous brand card 250 and famous brand lid 253 as necessary especially parts, shown in Figure 124 and 125, can adopt 2 that famous brand card 250, famous brand lid 253 and door 254 are not set with key 43.

But clear and definite as embodiment 1, when on housing 2 is installed 3 switch main bodies 1 being installed, at upper end position and lower end position, the center of the above-below direction of the center of the above-below direction of switch main body 1 and key 43 is inconsistent.For this reason, 3 with key 43 in, shown in Figure 126～130, be provided with than the littler instruction unit 140 of key 43 thickness of 1 usefulness and 2 usefulness with the back side of instruction unit 140 and carry out the prism 200 of optical bond.

Shown in Figure 127～130, on the above-below direction at key 43 back sides, form prism 200 with the shape of more expanding than indicating window 112, outgoing plane 201 is the wavy concaveconvex shape of triangle.The outstanding prism portion 207 in side is set both sides up and down from the back side that is the wavy outgoing plane of triangle 201, the outstanding prism portion 207 in this side is provided with the plane of incidence 203 of injecting back side portion from the switch main body 1 that is installed in the upper end position that housing 2 is installed or the light that is installed in the switch main body 1 of the lower end position that housing 2 is installed, reflect with the 1st reflecting surface 204 in the outstanding prism portion 207 in side and the 2nd reflecting surface 205 enter inner light from the plane of incidence 203, and make it to penetrate from outgoing plane 201.And, be provided with the plane of incidence 202 that constitutes from the recess of the light of the switch main body 1 that is installed in the middle position that housing 2 is installed by incident at the back side of the outgoing plane 201 of concaveconvex shape, the internal face of the recess both sides of this plane of incidence 202 tilts, one end is to the dorsal part of outgoing plane 201, be asymmetrical shape, this inclined plane becomes the 2nd reflecting surface 205 that is imported into the light in the prism 200.

Utilize ultrasonic wave coating that the prism 200 of described formation is installed in the back side one side of key 43, make outgoing plane 201 and to be located at 3 relative with 140 directions of the instruction unit on the key 43.At this, utilize the transmitance resin-shaped to become the instruction unit 140 of present embodiment, be adhered on the indicating window 112 of key 43 from the back side of key 43, have the fitting portion 140a of the indicating window 112 that embeds key 43 and give prominence to setting from the both ends, the back side of this fitting portion 140a, sidepiece 140b with inclined plane downwards, shown in Figure 130, the leading section of sidepiece 140b is lockable on the periphery of the back side of through hole 252, utilizes key 43 and prism 200 to grip.That is, instruction unit 140 and prism 200 can both be installed from the back side of key 43, so installation exercise is oversimplified.And, utilize the inclined plane downwards be formed on instruction unit 140 sidepiece 140b, combine with asymmetric the 2nd reflecting surface 203 of prism 200 and improve upward field-of-view angle, make it to be easy to observe.

And on the key 43 that is installed in 3 usefulness that housing 2 is installed, the plane of incidence 202 is relative with transmissive window 40 directions of this switch main body 1; And, on the key 43 of 3 usefulness on the switch main body 1 that is installed in upper end position, make the plane of incidence 203 of the outstanding prism portion 207 in side of downside relative with transmissive window 40 directions of this switch main body 1; And, on the key 43 of 3 usefulness on the switch main body 1 that is installed in lower end position, make the plane of incidence 203 of the outstanding prism portion 207 in side of upside relative with transmissive window 40 directions of this switch main body 1.And, the light of the position indicator L1 that transmissive window 40 from the switch main body 1 of upper end position or lower end position penetrates, inject the outstanding prism portion 207 in side from the plane of incidence 203, outstanding prism portion 207 internal reflections in the side are penetrated to instruction unit 140 from the outgoing plane 201 of convex-concave shape.And the transmissive window 40 from the switch main body 1 of middle position penetrates light, injects from the plane of incidence 202, penetrates to instruction unit 140 from the outgoing plane 201 of convex-concave shape.At this moment, be the wavy concaveconvex shape of triangle by outgoing plane 201 is made as, can eliminate off-set phenomenon and make intimate from the light of outgoing plane 201 ejaculations is same direction.And, asymmetric the 2nd reflecting surface 203 of the prism 200 of the light correspondence that the transmissive window 40 of utilization from the switch main body 1 of lower end position penetrates and as the inclined plane downwards of the sidepiece 140b of instruction unit 140 planes of incidence, improve field-of-view angle upward, vision addressability is upward improved, be easy to observe so become.At this, not famous brand card 250 and famous brand lid 253 as necessary especially parts, shown in Figure 131 and 132, also can adopt 3 that famous brand card 250, famous brand lid 253 and door 254 are not set with key 43.

And, because other formations are identical with embodiment 1, so same inscape is used prosign and omitted explanation.

Embodiment 6

The basic comprising of present embodiment and embodiment 2 are roughly the same, shown in Figure 133～141, have increased and have the position indicator L1 that is made of neon glim lamp and the expression area B 1 ' of chip-resistance R2 and chip-resistance R3.At this, position indicator L1 is described as follows like that, bright lamp under the open state of contact 100.The resistance R 2 of the expression area B 1 ' of present embodiment installation site indicator light L1, the position indicator L1 that is connected in series on the printed base plate 66 that forms with the T font, the resistance R 3 of the series circuit of be connected in parallel position indicator L1 and resistance R 2.And, in the back of printed base plate 66, also weld 1 docking point that constitutes by conductive plate.And the configuration of contact 67a, 67b will enable anter 18a, the 20a of contact jaw daughter board 18,20 respectively.The position indicator L1 of expression area B 1 ' is housed on the lid 5a by the position with corresponding terminal reception room 13.That is, what form the back opening in one end, long limit of lid 5a accommodates recess 55, is accommodating collecting position indicator light L1 on the recess 55.

Described expression area B 1 ', as lid 5a is attached on the body 5b, the anter 18a of the leading section Elastic Contact terminal board 18 of contact 61a then, the anter 20a of the leading section Elastic Contact terminal board 20 of contact 67b.That is, make the be connected in parallel circuit of series circuit of position indicator L1 and resistance R 2 of resistance R 3 is inserted between the two ends daughter board 15,18.Therefore, if the internal circuit of diagram switch main body 1, then shown in Figure 142.And, in Figure 142, add to 0～3 symbol of terminal, corresponding in Figure 137, utilize laser beam in the surface that forms later of body 5b record 56.

In the present embodiment, illustrated as embodiment 2, constitute the contact 100 that optionally makes moving contact 29 contact 3 way switch of 2 fixed contact 25a, 25b, between two fixed contact 25a, 25b, insert the circuit that comprises position indicator L1.Therefore, if the state according to the contact 100 of 3 way switch connects/cuts off the power supply that offers load, then when load disconnects, applied voltage between two fixed contact 25a, 25b, the bright lamp of position indicator L1, if when using lighting load as load, the bright lamp of position indicator L1 when lighting load is turned off the light, in view of the above, in feeling darker environment, also can confirm the position of switch with comparalive ease.

In lid 5a, accommodate in correspondence to form on the antetheca at position of recess 55 and be communicated with the through hole window 40 of accommodating recess 55, the lampshade 41 with light transmission is installed on through hole window 40.Therefore, see through lampshade 41 and can observe bright lamp/light-off state of confirming position indicator L1.

And, because other formations are identical with embodiment 2, so same inscape is used prosign and omitted explanation.And, can use the key 43 identical with embodiment 5.

Embodiment 7

Shown in Figure 143～151, present embodiment is to have appended the embodiment that constitutes identical expression area B 1 ' with embodiment 6 on the formation of embodiment 4.The resistance R 2 of expression area B 1 ' installation site indicator light L1, the position indicator L1 that is connected in series on the printed base plate 66 that forms with the T font, the resistance R 3 of the series circuit of be connected in parallel position indicator L1 and resistance R 2.And, in the back of printed base plate 66, also be welded with the 1 docking point 67a, the 67b that constitute by conductive plate.And the configuration of contact 67a, 67b will enable anter 18a, the 18a of contact jaw daughter board 18,18 respectively.The position indicator L1 of expression area B 1 ' is housed on the lid 5a by the position with corresponding terminal reception room 13.What promptly form the back opening in one end, long limit of lid 5a accommodates recess 55, is accommodating collecting position indicator light L1 on the recess 55.

Described expression area B 1 ', as lid 5a is attached on the body 5b, then anter 18a, the 18a of the leading section Elastic Contact terminal board 18,18 of contact 67a, 67b.That is, make the be connected in parallel circuit of series circuit of position indicator L1 and resistance R 2 of resistance R 3 is inserted between the two ends daughter board 15,18.Therefore, if the internal circuit of diagram switch main body 1, then shown in Figure 152.And, in Figure 152, add to 1～4 symbol of terminal, corresponding in Figure 147, utilize laser beam in the surface that forms later of body 5b record 56.

When under making load and state that power supply is connected, using this 4 way switch, when load disconnects, in Figure 147, be additional power source voltage between the terminal of representing with symbol " 1 " and " 3 ", so when loading disconnection, the bright lamp of position indicator L1.That is, if use lighting load as load, then in the dark place that lighting load is turned off the light, the bright lamp of position indicator L1 can easily be confirmed the position of switch.Other formations and action are identical with embodiment, and can use the key identical with embodiment 5 as key 43.Though, described each embodiment is by rotary terminal screw 317,321, come electric wire is fitted in terminal construction on the terminal board (electric wire is clamped in spiral shell is contained in terminal construction between the pressing tablet of nut 319,316 on the terminal board 317,321 and terminal board), but also can adopt form that terminal screw is installed in the sort of terminal construction on the terminal board electric wire is wrapped on the terminal screw.

The following describes effect of the present invention.

The present invention 1 piano key switch comprises: being provided with in front the snap-fastener that carries out pressing operation Key, all can make the alternately switching mechanism of upset of contact to carry out pressing operation by button at every turn Section, and be electrically connected with this switching mechanism section, with the terminal board of terminal screw connection electric wire Accommodate and to be installed in for the installation of baried type distributor with opening in the body on the housing Close main body; Be configured in front one side of body with respect to the form by button with direction, will One end pivot installs on the body and makes its back side contact by the key of button; Described by rotating Terminal screw is press fit into electric wire on the described terminal board, by rotating described terminal screw handle Therefore electric wire is press fit on the described terminal board, has with in the past formation phase specific energy to increase electric current This effect of capacity.

The present invention 2 piano key switch is: in the present invention's 1 described piano key switch, On the described body, connect to arrange at the adjacent surface of body described electric wire is inserted in the body The screw through hole that the head surface of electric wire insert port and described terminal screw is right, described terminal Insert described terminal screw and rotate described terminal screw by connecting, be contained in described with spiral shell The electric wire that clamping is inserted from described electric wire insert port is set between the nut of terminal screw leading section Compressing tablet. By inserting electric wire from described electric wire insert port, pass described screw through hole, And rotate described terminal screw, just can only utilize from the operation of body outside and at described terminal Clamping electric wire between the described compressing tablet of plate and the described nut so construction is simple, and has When improving connection reliability, increase this effect of current capacity with formation phase specific energy in the past Really.

The present invention 3 piano key switch is: in the present invention's 2 described piano key switches, and institute Stating screw is arranged on the recess that is located on the described body with through hole by perforation; Except having this Outside invention 2 the effect, also have to prevent that described terminal screw from stretching out from described body This effect.

The present invention 4 piano key switch is: in the present invention's 1 described piano key switch, and institute Stating terminal screw is installed on the described terminal board with the form of twining described electric wire; Except tool Have outside the present invention 1 the effect, also have this effect of bonding strength that can improve described electric wire Really.

The present invention 5 piano key switch is: in the present invention's 1 described piano key switch, be The contact that described contact is made as for the single-pole switch of single pole single throw consists of. Have and this Bright 1 same effect.

The present invention 6 piano key switch is: in the present invention's 1 described piano key switch, be The contact that makes described contact be made as 3 way switch that switch for one pole consists of; Have and this Bright 1 same effect.

The present invention 7 piano key switch is: in the present invention's 1 described piano key switch, be The contact that makes described contact be made as the two-photo pole switch of singly throwing for the two poles of the earth consists of; Have and this Bright 1 same effect.

The present invention 8 piano key switch is: in the present invention's 1 described piano key switch, be The contact that makes described contact be made as 4 way switch that switch for one pole consists of; Have and this Bright 1 same effect.

The present invention 9 piano key switch is: in the piano type described in the present invention 5 or 6 or 8 In the switch, accommodating in the described body for the position indicator of the bright lamp of indicating positions, together In time, be located at the instruction unit that the light of position indicator is penetrated to the outside on the described key; Remove Have outside the effect of any one invention among the present invention 5,6,8, also having can be sharp Confirm with comparalive ease that with the light of position indicator piano type opens in feeling darker environment This effect of position of closing.

The present invention 10 piano key switch is: in the present invention's 1 described piano key switch, Described installation housing is the rectangular case that is provided with through hole at central portion, is provided with 3 along long side direction Group utensil installing component, the appearance and size of described body minor face are pressed described through hole long side direction About 1/3rd form, and simultaneously described body are installed in described installation housing central authorities On one group of utensil installing component of section, have in the front one side setting of described installation with housing The plate of the openning longer and wider than described clear size of opening is complete to be close to inaccessible plate openning The size dimension of section's scope forms described key, at the long side direction of described installation with housing On, to allow form that the central authorities of the central authorities of key and described body face one another at described plate The described key of configuration in the opening; Except have with the same effect of the present invention 1, tool also Even have in the situation of using 1 switch main body, also can use and use and use 2 In the situation of individual or 3 switch main bodies, can both use the installation shell with common style through hole Body and plate effect with common style openning are to seek the unitized effect of parts.

The present invention 11 piano key switch is: in the present invention's 1 described piano key switch, Described installation housing is the rectangular case that is provided with through hole at central portion, is provided with 3 along long side direction Group utensil installing component, the appearance and size of described body minor face are pressed described through hole long side direction About 1/3rd form, and simultaneously described body are installed in respectively described installation housing 2 groups of utensil installing components at long side direction two ends on, in the front of described installation with housing One side setting has the plate of the openning longer and wider than described clear size of opening, with difference respectively The size dimension of half of self-closing seben openning scope forms described key, in described peace Dress is with on the long side direction of housing, with allow each key central authorities respectively with described each body in The form that the centre faces one another disposes described key in the opening of described plate; Except having and this Invent outside the 1 same effect, even also have in the situation of using 2 switch main bodies Lower, also can use to have the peace of common style through hole when using 1 or 3 switch main body Dress is with housing and plate with common style openning, and seeks parts generalization effect.

The present invention 12 piano key switch is: in the present invention's 1 described piano key switch, Described installation housing is the rectangular case that is provided with through hole at central portion, is provided with 3 along long side direction Group utensil installing component, the appearance and size of described body minor face are pressed described through hole long side direction About 1/3rd form, and simultaneously described body are installed in respectively described installation housing 3 groups of utensil installing components on, have ratio in described installation with the front one side setting of housing The plate of the openning that described clear size of opening is longer and wider is with each self-blocking plate openning of difference A size dimension of/3rd of scope forms described key, in described installation with housing On the long side direction, to allow the central authorities of each key face one another with the central authorities of described each body respectively Form in the opening of described plate, dispose described key; Same except having with the present invention 1 Effect outside, even also have using in the situation of 3 switch main bodies, also can Use with the situation of using 1 or 2 switch main bodies under, can both use that to have common style logical The installation in hole is with housing and plate with common style openning, and seeks the parts generalization Effect.

Claims (12)

1. piano key switch, it is characterized in that: comprising: be provided with in front carry out pressing operation by button, and to carry out the switching mechanism portion that pressing operation all can make the contact alternately overturn by button at every turn, and be electrically connected with this switching mechanism portion, and the terminal board that connects electric wire with terminal screw accommodated to be installed in the installation that is used for the baried type distributor with the switch main body in the body on the housing, with front one side that is configured in body with direction with respect to form by button, and an end pivot installed on the body, make the key of its back side contact simultaneously by button; By rotating described terminal screw electric wire is press fit on the described terminal board.

2. piano key switch according to claim 1, it is characterized in that: on described body, on the adjacent surface of body, connect the screw through hole that the head of electric wire insertion mouth in the described electric wire insertion body and described terminal screw is faced is set, described terminal board is by connect inserting described terminal screw and rotate described terminal screw, and spiral shell be contained in and be provided with clamping between the nut of described terminal screw leading section and insert mouthful compressing tablet of the electric wire that inserts from described electric wire.

3. piano key switch according to claim 2 is characterized in that: described screw is arranged on the recess that is located on the described body by perforation with through hole.

4. piano key switch according to claim 1 is characterized in that: described terminal screw is installed on the described terminal board with the form of twining described electric wire.

5. piano key switch according to claim 1 is characterized in that: the contact that described contact is made as the single-pole switch that is used for single pole single throw constitutes.

6. piano key switch according to claim 1 is characterized in that: the contact that described contact is made as 3 way switch that are used for the one pole switching constitutes.

7. piano key switch according to claim 1 is characterized in that: described contact is made as the contact that is used for the two-photo pole switch singly thrown at the two poles of the earth constitutes.

8. piano key switch according to claim 1 is characterized in that: the contact that described contact is made as 4 way switch that are used for the one pole switching constitutes.

9. according to the piano key switch described in claim 5 or 6 or 8, it is characterized in that: accommodating in the described body for the position indicator of the bright lamp of indicating positions, the instruction unit that the light with position indicator is penetrated to the outside is located on the described key simultaneously.

10. piano key switch according to claim 1, it is characterized in that: described installation housing is the rectangular housing that is provided with through hole at central portion, be provided with 3 groups of utensil installing components along long side direction, the overall dimension of described body minor face forms by about 1/3rd of described through hole long side direction, simultaneously described body is installed on one group of utensil installing component of described installation with the housing central portion, the plate that has the openning longer and wideer in described installation with the front one side setting of housing than described clear size of opening, form described key with the size dimension that is close to inaccessible plate openning four corner, with on the long side direction of housing, in the opening of described plate, dispose described key in described installation with the form that allows the central authorities of the central authorities of key and described body face one another.

11. piano key switch according to claim 1, it is characterized in that: described installation housing is the rectangular housing that is provided with through hole at central portion, be provided with 3 groups of utensil installing components along long side direction, the overall dimension of described body minor face forms by about 1/3rd of described through hole long side direction, simultaneously described body is installed in respectively on 2 groups of utensil installing components of described installation with the long side direction two ends of housing, the plate that has the openning longer and wideer in described installation with the front one side setting of housing than described clear size of opening, half size dimension with each self-blocking plate openning scope respectively forms described key, in described installation with on the long side direction of housing, to allow the central authorities of each key in the opening of described plate, dispose described key with the form that the central authorities of described each body face one another respectively.

12. piano key switch according to claim 1, it is characterized in that: described installation housing is the rectangular housing that is provided with through hole at central portion, be provided with 3 groups of utensil installing components along long side direction, the overall dimension of described body minor face forms by about 1/3rd of described through hole long side direction, simultaneously described body is installed in described installation respectively with on 3 groups of utensil installing components of housing, the plate that has the openning longer and wideer in described installation with the front one side setting of housing than described clear size of opening, a size dimension of/3rd with each self-blocking plate openning scope respectively forms described key, in described installation with on the long side direction of housing, to allow the central authorities of each key in the opening of described plate, dispose described key with the form that the central authorities of described each body face one another respectively.

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