CN200941350Y

CN200941350Y - Switch

Info

Publication number: CN200941350Y
Application number: CN 200620076140
Authority: CN
Inventors: 胡永辉; 中濑雄章
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2006-08-01
Filing date: 2006-08-01
Publication date: 2007-08-29
Anticipated expiration: 2016-08-01

Abstract

The utility model discloses a switch, which comprises an insulation noumenon provided with a terminal internment groove, a fixed terminal arranged on the of the bottom panel of the insulation noumenon, a spring tablet, a locating body a pressing body, a luminescent diode, a washer, a housing and an operating body. Wherein the insulation noumenon is provided with an internment space, and the spring tablet, the pressing body, the locating body and the luminescent diode are arranged in the internment space. The fixed terminal comprises a first, a second and a third fixed terminal touching the spring tablet and the fourth terminal connected with the luminescent diode, with the spring tablet provided with four symmetrical guiding parts and a convex point on the guiding part. The switch can form different circuits and meet the demand of versatility.

Description

Switch

[technical field]

The utility model relates to a kind of switch, refers to a kind of push switch that is widely used on the electronic equipment especially.

[background technology]

Switch generally is used for electronic equipments such as mobile phone, computer, sees also Fig. 1, existing switch 1 ' usually comprise insulating body 10 ', fixed terminal 11 ', shell fragment 12 ', press section 13 ', operating member 14 ', light-emitting diode 15 ' and operating body 16 '.Insulating body 10 ' pair of sidewalls be provided with terminal containing slot 100 ', fixed terminal 11 ' comprise place first fixed terminal 110 of insulating body 10 ' diapire and shell fragment 12 ' contact ' and place insulating body 10 ' terminal containing slot 100 ' interior and light-emitting diode 15 ' conducting second fixed terminal 111 ', light-emitting diode 15 ' be provided with can be immobilizated in operating member 14 ' on terminal supportor 151 ', operating member 14 ' comprise diapire 141 ', place the depression bar 142 of diapire 141 ＇ centers ' and from depression bar 142 ' two ends outward extending two conducting strips (not shown) respectively, described conducting strip be equipped with a circular hole (not shown) and can from the contact site 143 of operating member 14 ' diapire 141 ' stretch out ', light-emitting diode 15 ' terminal supportor 151 ' can insert in the described circular hole, thereby be immobilizated in operating member 14 ' on, contact site 143 ' can in insulating body 10 ' terminal containing slot 100 ' interior and the 111 ' sliding contact of second fixed terminal.16 ' time of pressing operation body, operating member 14 ' drive light-emitting diode 15 ' move downward together, force shell fragment 12 ' generation strain and with first fixed terminal 110 ' contact, light-emitting diode 15 ' be immobilizated in operating member 14 ' go up and the contact site 143 by conducting strip ' with second fixed terminal 111 ' contact, electrically conduct thereby reach.

Yet along with the continuous progress of economic technology, the size of electronic equipments such as mobile phone, computer develops towards short and small, frivolous direction day by day.This just causes the switch of existing sort circuit function singleness can't satisfy the demand in market.

Therefore, necessary existing switch is improved to solve above-mentioned defective of the prior art.

[utility model content]

The purpose of this utility model provides a kind of at the multi-functional switch of pushing each self-forming different circuit of front and back.

The purpose of this utility model is achieved through the following technical solutions: a kind of switch, it comprises the insulating body that is provided with terminal containing slot, the fixed terminal that places the insulating body diapire, shell fragment, pressing body, positioning body, light-emitting diode, packing ring, housing and operating body.Wherein insulating body is provided with a receiving space, described shell fragment, pressing body, positioning body and light-emitting diode are contained in this receiving space, fixed terminal comprises the 4th fixed terminal that places in first, second and third fixed terminal that the insulating body diapire contacts with shell fragment and the terminal containing slot that places insulating body with the light-emitting diode conducting, shell fragment is provided with the conducting portion of four symmetries and is positioned at salient point on the conducting portion, and light-emitting diode is provided with the terminal supportor that is bent into the right angle and contacts with the 4th fixed terminal in the terminal containing slot all the time.

Compared with prior art, the utility model switch has the following advantages: during initial state, and first and second fixed terminal conducting; Behind the push switch, first and second fixed terminal disconnects, first and third fixed terminal conducting.Same switch forms different loops and satisfies polyfunctional demand.

[description of drawings]

Fig. 1 is the cutaway view of the existing switch relevant with the utility model.

Fig. 2 is the three-dimensional exploded view of the utility model switch.

Fig. 3 is the stereogram of the fixed terminal of switch shown in Figure 2.

Fig. 4 is the insulating body of switch shown in Figure 2 and the cutaway view of fixed terminal.

Fig. 5 is the three-dimensional combination figure of the utility model switch.

Fig. 6 is the partial sectional view of the utility model switch along the VI-VI line.

Fig. 7 is the enlarged drawing of switch shown in Figure 6 Local C when disconnecting.

The enlarged drawing of Local C when Fig. 8 is a switch conduction shown in Figure 6.

[embodiment]

Describe the embodiment of the utility model switch 1 in detail below in conjunction with accompanying drawing.

See also Fig. 2 to Fig. 5, the utility model switch 1 comprises insulating body 12, fixed terminal 11, shell fragment 13, pressing body 14, positioning body 15, light-emitting diode 16, packing ring 17, housing 18 and the operating body 19 that is provided with terminal containing slot 125.Insulating body 12 is provided with a receiving space 124, and described shell fragment 13, pressing body 14, positioning body 15 and light-emitting diode 16 are contained in this receiving space 124.

Fixed terminal 11 and insulating body 12 integrated through injection molding moulding, fixed terminal 11 a part of injection mouldings are in insulating body 12, another part is exposed to outside the insulating body 12, and it comprises also first fixed terminal 110, second fixed terminal 111, the 3rd fixed terminal 112 and two the 4th fixed terminals 113 of row arrangement.First fixed terminal 110 comprises first contact site 1101, injection moulding first holding parts 1102 and first junction 1103 in insulating body 12.Second fixed terminal 111 comprises second contact site 1111, second holding parts 1112 and second junction 1113 of injection moulding in insulating body 12.The 3rd fixed terminal 112 comprises three holding parts 1122 of injection moulding in insulating body 12, perpendicular to the 3rd contact site 1121 and the 3rd junction 1123 of the 3rd holding parts 1122.

Insulating body 12 comprises two relative the first side walls 121, perpendicular to the first side wall 121 and with two relative second sidewalls 122 of the first side wall 121 adjacent settings, connect the diapire 123 of the first side wall 121 and second sidewall 122, the receiving space 124 that forms by above-mentioned the first side wall 121, second sidewall 122 and diapire 123 and the terminal containing slot 125 on second sidewall, 122 inboards.The inboard of the first side wall 121 has been set to certain thickness circular arc, terminal containing slot 124 on second sidewall 122 is upwardly extending from diapire 123, the junction of the adjacent the first side wall 121 and second sidewall 122 is set to groove 126, the place, four angles of diapire 123 is provided with circular hole 127 respectively, to expose the fixed terminal 11 on the diapire 123, be provided with holding section 128 in the outside of the first side wall 121.

Shell fragment 13 is to make by having certain flexible sheet metal, and it comprises dome shape central portion 131 that is positioned at middle position and four conducting portions 132 that are symmetrically distributed, and all is provided with a salient point 133 on the reverse side of each conducting portion 132.

Pressing body 14 comprise contact with the dome central portion 131 of shell fragment 13 and upwardly extending protruding 141 with criss-cross four extensions 142 that are that contact with four conducting portions 132 of shell fragment 13 respectively.During use, because the direction difference of pushing, the extension 142 of these four different directions can be realized different operations.

It is I-shaped that positioning body 15 roughly is, and it comprises that two relative openings 151 reach a pair of blocked block 152 that is 90 ° of angles and edge camber with this opening, connect with the arc inboard with insulating body 12 the first side walls 121.

Light-emitting diode 16 comprises main body 161 and the two-terminal pin 162 that is extended by main body 161 lower ends downward.Wherein terminal supportor 162 can be placed in the terminal containing slot 125 of insulating body 12, and contacts all the time with the vertical portion of the 4th fixed terminal 113 in being contained in it.

Packing ring 17 is square rubber sheets, and the centre is a circular hole, can be enclosed within closely between insulating body 12 and the housing 18, to strengthen the compactness that housing 18 cooperates with insulating body 12.

Housing 18 is made by metal material and rectangular platy structure, middle position is provided with circular hole 181, its diameter is approximately identical with the Circularhole diameter of packing ring 17 central authorities, its relative both sides bending downwards respectively extend to form the kink 182,183 of two symmetries, and wherein a pair of kink 183 is provided with the square hole 184 that the holding section 128 with insulating body 12 is interlocked.

Operating body 19 comprises the hollow cylindrical operating portion 191 that diameter is big slightly and places base portion 192 under the operating portion 191, the diameter of described hollow cylindrical operating portion 191 roughly with circular hole 181 equal diameters of housing 18 central authorities, so that housing 18 is placed on the operating body 19, around the described base portion 192 on the lower side the position be provided with the grooves 193 of four average configurations, 193 of adjacent two grooves are provided with projection 194 with in the groove 126 that is placed in insulating body 12.

Below, in conjunction with Fig. 4 and Fig. 5, specify the assembling process of the utility model switch 1, fixed terminal 11 is immobilizated in the corresponding terminal containing slot earlier, again shell fragment 13 is placed on insulating body 12 diapires 123, at this moment, salient point on shell fragment 13 1 conducting portions is pressed on first junction 1103 of first fixed terminal 110, an adjacent with it conducting portion is pressed on second junction 1113 of second fixed terminal 111 and the salient point on this conducting portion withstands on the diapire 123 of insulating body 12, salient point on the remaining conducting portion also all withstands on the diapire 123 of insulating body 12, then, press section 14 is installed in shell fragment 13 tops, extension 142 is pressed on respectively on the conducting portion 132 of shell fragment 13, then positioning body 15 is immobilizated in the 14 top insulating bodies 12 of press section, its blocked block 152 is connected on the arc madial wall of insulating body 12 the first side walls 121, light-emitting diode 16 is installed then, its terminal supportor 162 passes two openings 151 of positioning body 15 respectively and places in the terminal containing slot 125 of insulating body 12, fitting operation portion 19 successively at last, packing ring 17 and housing 18, thereby vertical groove 126 butts in projection of operating portion 19 193 and the insulating body 12 are immobilizated in the insulating body 12, housing 18 is fastened on the insulating body 12 closely, square hole 184 on its kink 183 holds mutually with the blocked block 128 in insulating body 12 the first side walls 121 outsides, and packing ring 17 places between housing 18 and the insulating body 12 to strengthen its tight type.After having assembled like this, under the initial condition, first fixed terminal and the second fixed terminal conducting, the circuit turn-on between the two-terminal pin 162 of light-emitting diode 16.Behind pressing operation body 19, the extruding that positioning body 15 is subjected to operating body 19 drives pressing body 14 successively and shell fragment 13 moves downward together, but the light-emitting diode 16 of this moment continues to keep motionless.Pressing body makes shell fragment 13 that strain take place to lower compression, the central portion 131 that the center arches is squeezed and contacts with the vertical contact site 1121 of the 3rd fixed terminal 112 downwards, simultaneously, four jiaos of conducting portions that are symmetrically distributed all can be upturned under the support of salient point, after being push body 19, first fixed terminal 110 and second fixed terminal, 111 formed loops disconnect, and first fixed terminal 110 and the 3rd fixed terminal 112 form the loop, and the circuit at diode 16 places remains closure.During releasing operation body 19, circuit returns to initial condition.

Claims

1. switch, it comprises the insulating body that is provided with terminal containing slot, the fixed terminal that is immobilizated in the insulating body diapire, pressing body, operating body and housing, wherein insulating body is provided with a receiving space, pressing body is contained in this receiving space, operating body partly is contained in this space, housing is snapped on the insulating body, it is characterized in that: described switch also is provided with a shell fragment, this shell fragment conducting portion have at least a surface to be provided with salient point in two surfaces up and down.

2. switch as claimed in claim 1 is characterized in that: described shell fragment comprises the central portion that is dome, stretching out from central portion forms four symmetrical conducting portions, and the lower surface of conducting portion respectively is provided with a salient point.

3. switch as claimed in claim 2, it is characterized in that: fixed terminal comprises first, second, third and fourth fixed terminal, fixed terminal is provided with contact site, holding parts, junction, salient point on shell fragment one conducting portion contacts all the time with the junction of first fixed terminal, and the salient point on another adjacent with it conducting portion withstands on the diapire of insulating body.

4. switch as claimed in claim 3, it is characterized in that: this switch also is provided with a light-emitting diode and a positioning body, light-emitting diode relies on the rectangular terminal supportor of bending to be immobilizated in the terminal containing slot of insulating body and keeps in touch with second fixed terminal all the time, it is I-shaped that positioning body is, it comprises relative two openings that the terminal supportor that makes light-emitting diode passes and is a pair of blocked block of 90 ° of angle edge cambers with this opening, described insulating body comprises two relative the first side walls, perpendicular to the first side wall and with two relative second sidewalls of the adjacent setting of the first side wall, the diapire that connects the first side wall and second sidewall, the wherein inboard curved setting of the first side wall, with the arc blocked block butt of above-mentioned positioning body.

5. switch as claimed in claim 1 is characterized in that: pressing body comprises central upwardly extending projection and is criss-cross extension, its projection can with the contact site butt of shell fragment, extension can with the conducting portion butt of shell fragment.

6. switch as claimed in claim 4, it is characterized in that: described operating body comprises the hollow circular cylinder operating portion that diameter is big slightly and places base portion under the operating portion, around the described base portion on the lower side the position be provided with four grooves of average configuration, be provided with projection between adjacent groove, the junction of the first side wall of described insulating body and second sidewall is provided with vertical groove, and the projection between the operating body groove can be placed in this groove.

7. switch as claimed in claim 1 is characterized in that: described switch advance one one comprise be fastened on the housing on the insulating body and place housing and insulating body between packing ring.