CN201000828Y

CN201000828Y - Switch

Info

Publication number: CN201000828Y
Application number: CNU200720033809XU
Authority: CN
Inventors: 彭鑫云; 宾涛
Original assignee: Foxconn Kunshan Computer Connector Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd
Priority date: 2007-01-22
Filing date: 2007-01-22
Publication date: 2008-01-02
Anticipated expiration: 2017-01-22

Abstract

The utility model relates to a switch, which comprises a casing provided with a containing space, a conducting terminal group injected a mold in the casing, an actuating mechanism assembled in the casing, an operating body and a spring respectively assembled at the both ends of the casing, and a cover body covered on the casing. The actuating mechanism consists of an insulating main body, an end terminal embedded in the insulating main body, a movable terminal, and alight emitting diode. The light emitting diode consists of a lamp body and a pair pins extended from one end of the lamp body, the end terminal consists of a main body part and a support leg formed by being bent and extending from one end of the main body part, a through hole is arranged in the center of the main body part, a pair of tongue pieces are respectively and relatively extended from the upper position and the lower position of the through hole, a certain included angle is formed between each tongue piece and the main body part, and a tongue leg is bent and extended at the end, the tongue leg and the pin of the light emitting diode form the surface contact, therefore the end terminal realizes the stable electrical conduction together with the light emitting diode.

Description

Switch

[technical field]

The utility model relates to a kind of switch, relates in particular to a kind of push switch that is applied in the electronic equipment.

[background technology]

Along with development of science and technology and progress, switch is widely used in the various electronic equipments and the more and more microminiaturized development of trend.

See also shown in Figure 5, a kind of switch 1 ' relevant with the utility model switch, comprise housing 9 ', be exposed to the conducting terminal 101 ', 102 ', 103 ' of housing 9 ' bottom with housing 9 ' integrated through injection molding moulding and part, be assembled in actuation mechanism (indicating) in the housing 9 ', be assembled in the operating body 8 ' and the spring (not shown) at housing 9 ' two ends respectively, and be overlying on the lid 7 ' on the housing 9 '.Actuation mechanism comprises insulating body 4 ', embeds movable terminal 5 ', terminal terminal 6 ' in the insulating body 4 ' and light-emitting diode (indicating) respectively.Wherein insulating body 4 ' comprises relative sidewall 40 ', sidewall 40 ' be provided with two intersect vertically accommodate caulking groove 41 ', 42 ', see also shown in Figure 6, terminal terminal 6 ' comprises body 60 ' and the leg 69 ' that extends from body 60 ' one end, described body 60 ' central authorities are provided with opening 68 ', a pair of tongue piece 62 ', 65 ' is perpendicular to one another from this opening 68 ' upper-lower position respectively extends relatively in body 60 ', and tongue piece 62 ', exist the gap with the clamping light-emitting diode between 65 ', light-emitting diode comprises lamp body (not indicating) and the pin 32 ' that extends from lamp body one end downwards, during assembling, at first be assembled in terminal terminal 6 ' and movable terminal 5 ' in the insulating body 4 ' respectively, wherein the leg 69 ' of terminal terminal 6 ' protrudes insulating body 4 ' and contacts with conducting terminal 102 ', then light-emitting diode is assembled in the insulating body 4 ', make its pin 32 ' run through a pair of tongue piece 62 ' of terminal terminal 6 ', 65 ', and by tongue piece 62 ', 65 ' clamping light-emitting diode.

Yet there is following defective in process of production at least in this kind switch 1 ': the tongue piece 62 ' of terminal terminal 6 ', 65 ' perpendicular to body 60 ' setting, it only contacts with the pin 32 ' of light-emitting diode with its knuckle line, contact area is too small, when being inserted into first, light-emitting diode accommodates the insertion force of caulking groove 41 ' when excessive, terminal terminal 6 ' will make tongue piece 62 ' because suffered impulsive force is excessive, 65 ' excessive strain takes place, even above its yield strength, thereby, cause tongue piece 62 ', 65 ' can't reply, can not contact with the pin 32 ' of light-emitting diode well, and then influence light-emitting diode and contact with the electrical of terminal terminal 6 '.

In view of above drawback, be necessary to provide a kind of improvement switch in fact, to overcome the defective of above-mentioned switch.

[novel content]

The purpose of this utility model is to provide a kind of electrically connect stable and switch simple in structure.

For solving the problems of the technologies described above, the utility model provides a kind of switch, it comprises: the conducting terminal group of the housing, part injection moulding that is provided with receiving space in housing, be assembled in the actuation mechanism in the housing, be assembled in the operating body and the spring at housing two ends respectively, and be overlying on the lid on the housing.Wherein actuation mechanism comprises insulating body, is embedded in terminal terminal, movable terminal in the insulating body respectively, and light-emitting diode, the leg that described terminal terminal comprises body and extends from the bending of body one end, wherein body central authorities are provided with through hole, a pair of tongue piece is tilted in relation to each other extension from the through hole upper-lower position respectively, each tongue piece all and between the body forms an angle, and its terminal bending extension has the tongue pin, and described tongue pin contacts with the pin formation face of light-emitting diode.

The switch relevant with the utility model switch compared, direction of insertion towards light-emitting diode is tilted in relation to each other extension to a pair of symmetrical tongue piece in the terminal terminal through hole of the utility model switch from the through hole upper-lower position respectively, each tongue piece all and between the body forms an angle, and its terminal bending extension has the tongue pin, and described tongue pin contacts with the pin formation face of light-emitting diode.In assembling process, the tongue pin of tongue piece contacts with the pin formation face of light-emitting diode, thereby has increased the contact area of terminal terminal and light-emitting diode, helps improving the switches conductive stability in contact, improves the product yield.

[description of drawings]

Fig. 1 is the three-dimensional exploded view of the utility model switch.

Fig. 2 is the three-dimensional combination figure of the utility model switch.

Fig. 3 is the cutaway view of switch shown in Figure 2 along the III-III face, and its medi-spring is still not shown.

Fig. 4 is the schematic perspective view of the terminal terminal of the utility model switch.

Fig. 5 is the cutaway view of a kind of switch relevant with the utility model switch, and its medi-spring is still not shown.

Fig. 6 is the schematic perspective view of the terminal terminal of a kind of switch relevant with the utility model switch.

[embodiment]

See also Fig. 1 to shown in Figure 4, the utility model switch 1 comprises: conducting terminal group 10 in housing 9 of housing 9, injection moulding, be assembled in the actuation mechanism (indicating) in the housing 9, be assembled in respectively housing 9 two ends operating body 8 and spring 11, be set in the packing ring 2 on the operating body 8, and be overlying on the lid 7 on the housing 9.

Housing 9, cylindrical body 92, the casing 90 that comprises casing 90 and be positioned at casing 90 1 ends comprise diapire 96, by four sidewalls that extend vertically upward around the diapire 96 (indicating), and the upwards open resettlement section 91 that forms by above-mentioned diapire 96 and four sidewalls, the cross section of cylindrical body 92 is slightly less than the cross section of casing 90, and it is a hollow structure, and connect with the resettlement section 91 of casing 90 and to form through hole 95, casing 90 and cylindrical body 92 relative ends are provided with semicircular breach 93, and the bottom of this breach 93 is provided with groove 931, with fixing lid 7.

10 injection mouldings of conducting terminal group and part are exposed to housing 9 diapires 96, comprise three pairs of conducting terminals 101,102 that are symmetrically set and are bent into and slightly be 90 °, and 103.

Actuation mechanism comprises: insulating body 4, embed movable terminal 5, terminal terminal 6 in the insulating body 4 and light-emitting diode 3 respectively.

Insulating body 4 is roughly rectangular, comprise sidewall 40 that extends longitudinally and upper wall 44 and the lower wall 45 that intersects vertically and form with sidewall 40, wherein sidewall 40 be provided with extend longitudinally first accommodate caulking groove 41 and with above-mentioned first accommodate that caulking groove 41 intersects vertically second accommodate caulking groove 42, lower wall 45 is provided with the draw-in groove (not shown) that inserts for movable terminal 5.

Movable terminal 5 comprises the holding parts 51 that is contained in insulating body 4 draw-in grooves and the fixing arm 52 that extends to form from the bending of holding parts 51 1 ends, wherein conducting terminal 103 sliding contacts on fixing arm 52 and housing 9 diapires 96.

Terminal terminal 6, see also shown in Figure 4, make by elastomeric material, comprise body 60 that vertically extends and the leg 69 that extends from the bending of body 60 1 ends, wherein body 60 central authorities are provided with through hole 68, a pair of

tongue piece

62,65 the direction of insertion towards light-emitting diode 3 is tilted in relation to each other extension from the upper-lower position of through hole 68 respectively, each

tongue piece

62,65 all and between the body 60 form an angle, when the tongue piece of this inclination design can reducing light-emitting diode 3 inserts to the impact of terminal terminal 6, and

tongue piece

62,65 terminal bendings are extended with tongue pin 621,651, two tongue pin 621,651 are respectively equipped with 32 lingual surfaces that contact 622 of pin with light-emitting diode 3,652, increased the contact area of terminal terminal 6, realized good conducting effect with light-emitting diode 3.

Light-emitting diode 3 comprises that lamp body 31 reaches from the extended pair of pins 32 of lamp body 31 1 ends.

Operating body 8, comprise that cylindrical press section 81 of cardinal principle and self-pressing portion 81 terminal edges are to the wedge-like Embedded Division 83 that extends away from the direction of press section 81, wherein press section 81 is a hollow structure, with the lamp body 31 of ccontaining light-emitting diode 3, and leave a fixed gap between the lamp body 31 of light-emitting diode 3 and the press section 81.

Spring 11 places between insulating body 4 and the housing 9.

Packing ring 2 is ring bodies of being made by plastic material, is sheathed on the operating body 8.

Lid 7 is overlying on the housing 9, comprises the holding section 71 that an end of the main body 72 that places housing 9 tops and autonomous agent 72 extends downward vertically, and wherein 71 lower ends, holding section are semicircle, cooperate with the breach 93 with housing 9 ends.

Below introduce the assembling process of the utility model switch 1, at first movable terminal 5 is embedded in the insulating body 4, its holding parts 51 is embedded in the draw-in groove of lower wall 45, fixing arm 52 protrudes out lower wall 45, terminal terminal 6 is embedded into second accommodates caulking groove 42, make its leg 69 protruding lower walls 45 that expose insulating body 4, follow the tongue piece 62 of accommodating caulking groove 41 in by its pin 32 insertions first light-emitting diode 3 and passing

terminal terminal

6,65 and be immobilizated in the insulating body 4, because the sectional dimension of pin 32 is greater than the lingual surface 622 of symmetry, the gap that exists between 652, therefore,

tongue piece

62,65 extruding that are subjected to pin 32 are 32 the lateral direction generation strain from initial position towards pin respectively, while lingual surface 622,652 are guiding pin 32 to continue to insert first accommodates in the caulking groove 41, after pin 32 is inserted into desired location, tongue pin 621,651 under the effect of its elastic force respectively from the both sides of pin 32 with firmly clamping of light-emitting diode 3, like this, just finished the assembling of actuation mechanism; Simultaneously packing ring 2 is inserted in outside the press section 81 of operating body 8, the operating body 8 that will be with packing ring 2 again is assembled in the through hole 95 of housing 9, and the outside of packing ring 2 is fixed in the through hole 95; Then, actuation mechanism is inserted in the resettlement section 91 of housing 9, the Embedded Division 83 of operating body 8 tightly is embedded in the insulating body 4, contact with conducting terminal 102 from the leg 69 that the diapire 45 of insulating body 4 protrudes out out this moment, at last spring 11 is put into housing 9 one ends, its two ends are connected to the holding section 71 of insulating body 4 and lid 7 respectively, at last lid 7 are overlying on the housing 9, and the groove 931 that makes its holding section 71 and housing 9 ends is buckle mutually.

During initial condition, the fixing arm 52 of movable terminal 5 is positioned on the diapire 96 of housing 9, and terminal terminal 6 is by its leg 69 and conducting terminal 102 permanent contacts, when pressing operation body 8, operating body 8 acts on insulating body 4 by the Embedded Division 83 that embeds in the insulating body 4, and extrusion spring 11, thereby driving actuation mechanism moves, at this moment, the fixing arm 52 of movable terminal 5 moves to the contact position of conducting terminal 103 with actuation mechanism from initial position, and formation electrically conducts; When releasing operation body 8, spring 11 promotes actuation mechanism and returns under the effect of restoring force, and the fixing arm 52 of movable terminal 5 is along with actuation mechanism and conducting terminal 103 disconnect, and formation is opened circuit, and at this moment switch 1 is in closed condition.

What need stress is, the direction of insertion towards light-emitting diode 3 is tilted in relation to each other extension from through hole 68 upper-lower positions respectively, each

tongue piece

62,65 all and between the body 60 forms an angle to be located at terminal terminal 6 through holes 68 interior a pair of

symmetrical tongue pieces

62,65, and its terminal bending extension has tongue pin 621,651, and described tongue pin 621,651 contacts with the pin 32 formation faces of light-emitting diode 3.During assembling, when the

tongue piece

62,65 of the direction of insertion diagonally extending of light-emitting diode 3 has reduced effectively that light-emitting diode 3 inserts to the impact of terminal terminal 6, and the tongue pin 621,651 that

tongue piece

62,65 extends to form by himself has been realized contacting with 32 of pins, increased the contact area of terminal terminal 6 and light-emitting diode 3, the project organization of this tongue piece helps improving the conduction stability in contact.

The above only is a kind of execution mode of the present utility model, it or not whole or unique execution mode, the variation of any equivalence that those of ordinary skills take technical solutions of the utility model by reading the utility model specification is claim of the present utility model and contains.

Claims

1. switch, comprise: the housing that is provided with receiving space, the conducting terminal group of injection moulding in housing, be contained in the operating body in the above-mentioned receiving space successively, actuation mechanism, spring, and lid, wherein actuation mechanism comprises insulating body, be embedded in the terminal terminal in the insulating body, movable terminal, and light-emitting diode, the terminal terminal comprises body and the leg that extends to form from the bending of body one end, described body central authorities are provided with through hole, and a pair of tongue piece extends relatively from the upper-lower position of through hole respectively, it is characterized in that: the terminal bending of described tongue piece is extended with the tongue pin that contacts with the light-emitting diode face.

2. switch as claimed in claim 1 is characterized in that: setting forms an angle between the body of described tongue piece and terminal terminal.

3. switch as claimed in claim 1 is characterized in that: described light-emitting diode comprises lamp body and from the extended pair of pins of lamp body one end.

4. switch as claimed in claim 3 is characterized in that: the gap that exists between a pair of tongue piece of the cross-sectional width of described light-emitting diode pin greater than the terminal terminal.

5. switch as claimed in claim 1 is characterized in that: leave certain space between described light-emitting diode and the operating body.

6. switch as claimed in claim 5 is characterized in that: the two ends of described spring are connected to insulating body and lid respectively.

7. switch as claimed in claim 6 is characterized in that: described operating body is provided with the Embedded Division that embeds in the insulating body.