CN103000400B

CN103000400B - The stand structure of microswitch

Info

Publication number: CN103000400B
Application number: CN201110270811.XA
Authority: CN
Inventors: 褚锦雄
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-09-14
Filing date: 2011-09-14
Publication date: 2015-09-09
Anticipated expiration: 2031-09-14
Also published as: CN103000400A

Abstract

The invention discloses a kind of stand structure of microswitch, refer to especially and be a kind ofly beneficial to location, protection and use electric iron to repeat to process the stand structure of conductive connecting pin; There is bottom this switch complex conduction pin, and stand structure comprises plural groove and end slot, described groove is formed at bottom switch respectively, and pin is positioned at groove, described end slot is not formed at the periphery wall of switch, described end slot is connected with groove, and pin top extends in end slot, and makes pin be revealed in the periphery wall of switch; Accordingly, and it can be prevented to be out of shape with groove locating connecting pin, and hold solder fluxes and prevent switch floating high, and end slot can supply electric iron stretches into the described pin of contact, be beneficial to again take off and soldered circuit board surface switches.

Description

The stand structure of microswitch

Technical field

The present invention relates to the stand structure of microswitch, be particularly beneficial to location, protection about a kind of and use electric iron to repeat to process the stand structure of conductive connecting pin, particularly relate to groove and the end slot of this stand structure.

Background technology

At present, specification and the size kind of electronic switch are very various, range of application is also fairly widespread, and the electronic switch that general precision equipment, mini-plant or compact electric apparatus more often use, mostly be called sensitive switch, microswitch or touch-switch, due to suitable short and small and frivolous of the volume of this type of switch, on the electronic equipment that therefore can be applicable to limited space or small-sized or microswitch only can be set or instrument, lift as the industries such as 3C electronic product or microcomputer are applied.

And know, traditional electronic type microswitch, being mainly made up of a plastic base, a movable axis and an electrode group, this pedestal can be fixed on another plastics stacker side, and also can a sheathed button on movable axis; Its manner of execution is push button and drives movable axis, and the positive and negative electrode ordering about the electrode group of base interior contacts with each other and conducting, to reach the purposes opening and closing power supply.In addition, this switch bottom inside is generally all provided with complex conduction pin, described conductive connecting pin can comprise described positive and negative electrode and extend to electrode pin bottom switch, when switch is positioned the circuit board surface of aforementioned electronic devices or instrument, described conductive connecting pin and circuit board surface circuit utilize together with tin cream is welded to each other.

But, described pin goes forward easily to affect by external force being welded in circuit board, pin is caused to form askew status and be unfavorable for pasting the metallic circuit on tactile circuit board, and switch is after passing through surface mount (SMT) processing procedure, aforementioned tin cream and scaling powder are easily hoarded bottom switch and between circuit board surface, cause switch to produce floating high situation, the problems referred to above have been enough to significantly to affect microswitch and have been assemblied in appropriate rate on circuit board.

In addition, general circuit plate surface lines is provided with location hole mostly, inserts and weld location with the pin supplying switch; Or, also when circuit board surface circuit does not arrange location hole, described pin can be directly welded in this circuit surface; But, when switch takes off again to weld from circuit board surface by needs, if run into back of circuit board externally do not appear or circuit without the situation of location hole, space now bottom described switch and between circuit board surface, often be not enough to supply electric iron and stretched into pin described in interior side contacts bottom switch, cause the problem of the switch being difficult to soldered circuit board surface again; Therefore, the problems referred to above, by be this art person for solve where the shoe pinches.

Summary of the invention

In view of this, the technical problem to be solved in the present invention is to provide and is beneficial to location, protection and uses electric iron to repeat to process the stand structure of conductive connecting pin.

For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that a kind of stand structure of microswitch, it is characterized in that, there is bottom this switch complex conduction pin, and stand structure comprises: plural groove, be formed at bottom this switch respectively, this pin is positioned at this groove; And plural end slot, be formed at the periphery wall of this switch respectively, this end slot is connected with this groove, and makes this pin be revealed in the periphery wall of this switch.

Another kind of scheme is: a kind of stand structure of microswitch, have complex conduction pin, and stand structure comprises bottom this switch: plural groove, and be formed at bottom this switch respectively, this pin is positioned at this groove; And plural end slot, be formed at the periphery wall of this switch respectively, this pin top extends to the periphery wall being revealed in this switch in this end slot.

Further, described pin comprises at least two electrode pins, and two power pins of at least one light-emitting diode.

Further, this switch comprises: a stacker, and bottom has at least one reference column; One pedestal, be located at this stacker side, this base end side forms a storage tank, and a notch outer rim of this storage tank is formed with 2 first end faces and one second end face of different height, one bottom land of this storage tank, to the distance of this first end face, is greater than the distance of this bottom land to this second end face; Be described stacker and base bottom bottom this switch, and the periphery wall of switch is described stacker and pedestal is revealed in extraneous perisporium; One electrode group, is located in this storage tank, has the described electrode pin extending to this base bottom; One beam barrel, is slidedly arranged in this storage tank, accept this storage tank inwall guiding and close to and depart from this electrode group, on this beam barrel formed one opening cylinder groove; One electroconductive elastic sheet, Jie is located in this storage tank between described beam barrel and electrode group, accepts the driving of this beam barrel and departs from this electrode group to paste to touch, and connect and cut off this electrode group; One metal framework, be sheathed on this beam barrel periphery and accept the braking of this second end face and locate, this framework has at least one angle extending to this base bottom, and this angle is positioned at this end slot side; And this light-emitting diode, be fixedly arranged in this groove, there is the described power pin extending to this base bottom, and described power pin accept the braking of this first end face respectively and locates, and making to form a specific range between described framework and power pin.

Further, this stacker side is formed with plural moulding, and this pedestal is located between described moulding.

Further, described first end face respectively projection be formed on the pedestal of notch bilateral of this storage tank.

Further, this beam barrel bilateral forms the guide channel of this groove of connection respectively, and described power pin extends to bottom this switch via this guide channel respectively.

Further, this framework has the port that is sheathed on this beam barrel periphery.

Further, this framework bilateral prolongs formation one otic placode processed respectively, and this stacker bilateral forms a buckle portion respectively, this otic placode is formed one and detains the catching groove be located in this buckle portion.

Further, the pedestal of this second end face corresponds to the position ring of this framework peripheral profile and be provided with plural projection, this framework is accommodating and be positioned between described projection.

Further, the pedestal of this first end face side corresponds to the position of this power pin peripheral profile and be formed with two symmetrical auricles, this power pin is accommodating and be positioned between described auricle.

Further, more include a printing opacity button utilizing soft exotic material to make, be arranged at the position this beam barrel is revealed in outside this storage tank, and hide this groove.

Further, this soft exotic material is silica gel.

Further, this switch top pastes the smooth high temperature paster in a surface.

The technique effect that the present invention reaches is as follows: the present invention can with groove location and protection conductive connecting pin, askew status is formed by external force affects to prevent pin, and can hold with groove the tin cream and scaling powder hoarded between switch and circuit board, floating high situation is produced to prevent switch, and end slot can supply electric iron stretches into and contact pin, be beneficial to again take off and the switch on soldered circuit board surface; Accordingly, be assemblied in appropriate rate on circuit board to promote microswitch, and improve the problem of the switch being difficult to again take off also soldered circuit board surface.

Accompanying drawing explanation

Fig. 1 is the stereogram of present pre-ferred embodiments;

Fig. 2 is the front view of Fig. 1;

Fig. 3 is the rearview of Fig. 2;

Fig. 4 is the right side view of Fig. 2;

Fig. 5 is the upward view of Fig. 2;

Fig. 6 is the A-A sectional drawing of Fig. 2;

Fig. 7 is the B-B sectional drawing of Fig. 2;

Fig. 8 is the stereogram at another visual angle of Fig. 1;

Fig. 9 is the stereogram at the another visual angle of Fig. 1;

Figure 10 is the three-dimensional exploded view of Fig. 1.

[primary clustering symbol description]

10 pedestal 100 pasters

11 storage tank 111 notches

112 bottom land 12 first end faces

13 second end face 14 auricles

15,72,72a, 72b, 72c, 72d end slot

16 projection 20 electrode groups

21 positive electrode 22 negative electrodes

23,24 electrode pin 30 beam barrels

31 groove 311 notches

32 guide channel 33 treads

34 snap fit 40 electroconductive elastic sheets

50 metal framework 51 angles

52 port 53 otic placodes

54 catching groove 6 light-emitting diodes

61,62 power pin 70 stackers

71,71a, 71b, 71c groove

73 reference column 74 mouldings

75 buckle portion 80 buttons

90 circuit board 91 line layers.

Embodiment

Refer to shown in Fig. 1, disclose the stereogram of the stand structure preferred embodiment of microswitch of the present invention, and switch bottom inside of the present invention has complex conduction pin to coordinate Fig. 2 to Fig. 5 to illustrate, described conductive connecting pin comprises at least two electrode pins 23,24, and two power pins 61,62 of at least one light-emitting diode 6, described electrode pin 23,24 is positive electrode pin 23 and the negative electrode pin 24 of switch, and described power pin 61,62 encloses two positive supply pins 61 and the negative supply pin 62 of light-emitting diode 6.

This stand structure comprise plural groove 71,71a, 71b, 71c and plural end slot 15,72,72a, 72b, 72c, 72d (coordinating shown in Fig. 6 to Figure 10); Described groove 71,71a, 71b, 71c are formed at bottom this switch respectively, and this positive supply pin 61 is positioned at groove 71, and this negative supply pin 62 is positioned at groove 71c, and this positive electrode pin 23 is positioned at groove 71a, and this negative electrode pin 24 is positioned at groove 71b.

Described end slot 15,72,72a, 72b, 72c, 72d be formed at bottom the periphery wall of this switch respectively, this end slot 72a, 72b, 72c are connected with this groove 71a, 71b, 71c, and make described positive electrode pin 23, negative electrode pin 24, negative supply pin 62 be revealed in the periphery wall of this switch, and positive supply pin 61 top extends to the periphery wall being revealed in this switch in this end slot 15.

This switch comprises trapezoidal stacker 70, rectangular plastic pedestal 10, electrode group 20, oval beam barrel 30, electroconductive elastic sheet 40, metal framework 50 and this light-emitting diode 60; Wherein, there is bottom this stacker 70 at least one plastics reference column 73 in order to be inserted on circuit board, and stacker 70 side is formed with plural moulding 74.

This pedestal 10 is located between the described moulding 74 of stacker 70 side, and pedestal 10 end side forms a storage tank 11 (as shown in Fig. 6 and Figure 10), notch 111 outer rim of this storage tank 11 is formed with 2 first end face 12 and one second end faces 13 of different height.

The distance h1 of one bottom land 112 to the first end face 12 of this storage tank 11, is greater than the distance h2 of bottom land 112 to the second end face 13; Described first end face 12 respectively projection is formed on pedestal 10 side of the upper and lower bilateral of notch 111 outer rim of storage tank 11; Bottom this switch bottom described stacker 70 and pedestal 10, and stacker 70 described in the periphery wall of switch and pedestal 10 are revealed in extraneous perisporium.

This electrode group 20 is located in storage tank 11, and be positioned the bottom land 112 of storage tank 11, this electrode group 20 includes positive electrode 21 and a negative electrode 22, and described positive and negative electrode 21,22 has the described positive and negative electrode pin 23,24 extended to bottom switch respectively.

This beam barrel 30 one end is slidedly arranged in storage tank 11, can accept the guiding of storage tank 11 inwall and close to and depart from the electrode group 20 of this bottom land 112, and beam barrel 30 other end to be revealed in storage tank 11 outer and be formed with the cylinder groove 31 of an opening; Try hard to recommend tactile outside this beam barrel 30 part be revealed in outside storage tank 11 can accept, and beam barrel 30 is moved toward bottom land 112 direction.

This electroconductive elastic sheet 40 Jie is located in the storage tank 11 between described beam barrel 30 one end and electrode group 20, can move toward notch 111 direction of storage tank 11 by flexible drive beam barrel 30, and electroconductive elastic sheet 40 can accept beam barrel 30 drives to paste to touch and depart from electrode group 20, and then connect and cut off the positive and negative electrode 21,22 of electrode group 20.

This metal framework 50 has a port 52, and framework 50 is sheathed on beam barrel 30 periphery by this port 52, and acceptance the second end face 13 is braked and is positioned notch 111 outer rim of storage tank 11, this framework 50 base is prolonged system and is formed with at least one angle 51, in this enforcement, this angle 51 can be two, be formed at framework 50 bilateral base respectively, and extend to bottom pedestal 10 bilateral, and described angle 51 lays respectively at this end slot 72,72d side.

This light-emitting diode 60 is fixedly arranged in a groove 31, and light-emitting diode 60 has the described positive and negative power pin 61,62 extended to bottom switch, and described positive and negative power pin 61,62 accepts the first end face 12 respectively in notch 111 outer rim of storage tank 11 brakes, and be positioned beam barrel 30 bilateral, cause to form one between described framework 50 and positive and negative power pin 61,62 can for the specific range h3 (as shown in Figure 6) insulate, to be short-circuited situation to prevent framework 50 and positive and negative power pin 61,62.

Formed by said structure, can for implementing the present invention according to this, stacker 70 and the pedestal 10 of this switch can be put in circuit board 90 surface (as shown in FIG. 6 and 7), and make described positive and negative power pin 61,62, positive and negative electrode pin 23,24 pastes one of tactile circuit board 90 surface metallic circuit layer 91 respectively with angle 51.

Subsequently, circuit board 90 can be passed in tin stove and carry out surface mount (SMT) processing procedure, and make the tin cream in tin stove and scaling powder be filled in described positive and negative power pin 61,62, positive and negative electrode pin 23,24, between angle 51 and line layer 91 surface, with weld described positive and negative power pin 61,62, positive and negative electrode pin 23,24, angle 51 in line layer 91 surface, and strengthens switch via described angle 51 and is welded in steadiness on line layer 91.

It is worth mentioning that, this groove 71,71a, 71b, 71c are before switch is welded in circuit board 90, can locate described positive and negative power pin 61,62, positive and negative electrode pin 23,24, and prevent described positive and negative power pin 61,62, positive and negative electrode pin 23,24 by external force affects diagonal distortion; This groove 71,71a, 71b, 71c at switch and circuit board 90 phase weld period with end slot 72,72d, can hold tin cream and prevent switch floating high; This end slot 15, that 72a, 72b, 72c are welded in circuit board at switch is after 90s, also can supply electric iron stretch into contact and heat described positive and negative power pin 61,62, positive and negative electrode pin 23,24, and make to be welded in described positive and negative power pin 61,62, tin cream between positive and negative electrode pin 23,24 and line layer 91 surface melts, be beneficial to again take off and the switch on soldered circuit board 90 surface.

Under general service condition, when beam barrel 30 to push away by external force drives tactile electroconductive elastic sheet 40 connect positive and negative electrode 21,22 time, the line layer 91 of circuit board 90 can be conducted to via described positive and negative electrode pin 23,24 by the electric energy of described positive and negative electrode 21,22; After driving the external force of beam barrel 30 to disappear, the elastic force of this electroconductive elastic sheet 40 can drive beam barrel 30 to reset, and cuts off positive and negative electrode 21,22.

Accordingly, the present invention can utilize light-emitting diode to produce light source, and can with groove location and protection conductive connecting pin, askew status is formed by external force affects to prevent pin, can hold with groove the tin cream and scaling powder hoarded between switch and circuit board simultaneously, to prevent switch from producing floating high situation, and end slot can supply electric iron stretches into and contact pin, is beneficial to again take off and the switch on soldered circuit board surface; Accordingly, be assemblied in appropriate rate on circuit board to promote microswitch, and improve the problem of the switch being difficult to again take off also soldered circuit board surface.

Below further illustrate other execution modes of the present invention:

This shell fragment 40 can rounded convex arc-shape, and make shell fragment 40 peripheral contact negative electrode 22 (as shown in Figure 6), and shell fragment 40 middle body departs from positive electrode 21, when this beam barrel 30 drives by external force, tactile shell fragment 40 middle body contact positive electrode 21 can be pushed away, and make shell fragment 40 connect between positive and negative electrode 21,22, and shell fragment 40 middle body elastic reset after driving the external force of beam barrel 30 to disappear, and depart between positive and negative electrode 21,22.

The upper and lower bilateral of this beam barrel 30 forms the guide channel 32 of a connection cylinder groove 31 respectively, and guide channel 32 extends to a notch 311 of a groove 31, the positive and negative power pin 61,62 of described light-emitting diode 60 extends to bottom switch along the upper and lower bilateral of beam barrel 30 via guide channel 32 respectively; So, when beam barrel 30 moves back and forth period by external force drives, can to dodge described positive and negative power pin 61,62 by described guide channel 32.

This framework 50 bilateral prolongs formation one otic placode 53 processed respectively, and this stacker 70 bilateral forms a buckle portion 75 respectively, this otic placode 53 is formed one and can detain the catching groove 54 be located in buckle portion 75, so as to described stacker 70 is fastened into one with pedestal 10.

This beam barrel 30 outer wall forms the annular tread 33 (as shown in Fig. 6 and Figure 10) that can brake framework 50, and it is movable in storage tank 11 to make framework 50 restrain beam barrel 30 via tread 33.

Position ring pedestal 10 around this second end face 13 corresponding to framework 50 peripheral profile is provided with plural plastics projection 16, this framework 50 is accommodating and be positioned between described projection 16, and described projection 16 can accept rivet hot and clamping framework 50, produce to prevent framework 50 and pedestal 10 situations such as rocking, float or get loose.

The position pedestal 10 of this first end face 12 side corresponding to positive and negative power pin 61,62 peripheral profile is formed with two symmetrical plastics auricles 14, described positive and negative power pin 61,62 is accommodating separately and be positioned between described auricle 14, and described auricle 14 can accept rivet hot and clamping positive and negative power pin 61,62, float to prevent light-emitting diode 60 and come off.

In addition, the present invention includes a printing opacity button utilizing soft exotic material to make 80 (as shown in Figure 10) more, is arranged at position beam barrel 30 is revealed in outside storage tank 11, and hides cylinder groove 31 and light-emitting diode 60; On this beam barrel 30, the position of adjacent notches 311 is formed with the snap fit 34 that two can detain group button 80, and this soft exotic material can be silica gel; So, the button 80 made due to silica gel has resistant to elevated temperatures characteristic, and therefore button 80 can enter tin stove along with beam barrel 30 and pedestal 10, and as traditional approach after the pedestal of switch has crossed tin stove, then need not load onto button in beam barrel.

When light-emitting diode 60 in this groove 31 is luminous, its light via button 80 printing opacity of tool light transmission to extraneous, can reach the effect of instruction and illumination; Meanwhile, this button 80 possesses resilient flexible, effectively can cushion prominent next impulsive force, accept the durable useful life of pressing with lifting switch.

In addition, this switch top also can paste the smooth high temperature paster 100 in a surface, can hide the joint gap between described stacker 70 and pedestal 10, be beneficial to accept absorption in SMT processing procedure, and prevent the situation of material casting.

The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.

Claims

1. a stand structure for microswitch, is characterized in that, have complex conduction pin, and stand structure comprises bottom this switch:

Plural number groove, be formed at bottom this switch respectively, this pin is positioned at this groove; And

Plural number end slot, be formed at the periphery wall of this switch respectively, this end slot is connected with this groove, and makes this pin be revealed in the periphery wall of this switch;

Described pin comprises at least two electrode pins, and two power pins of at least one light-emitting diode;

This switch comprises:

One stacker, bottom has at least one reference column;

One pedestal, be located at this stacker side, this base end side forms a storage tank, and a notch outer rim of this storage tank is formed with 2 first end faces and one second end face of different height, one bottom land of this storage tank, to the distance of this first end face, is greater than the distance of this bottom land to this second end face;

Be described stacker and base bottom bottom this switch, and the periphery wall of switch is described stacker and pedestal is revealed in extraneous perisporium;

One electrode group, is located in this storage tank, has the described electrode pin extending to this base bottom;

One beam barrel, is slidedly arranged in this storage tank, accept this storage tank inwall guiding and close to and depart from this electrode group, on this beam barrel formed one opening cylinder groove;

One electroconductive elastic sheet, Jie is located in this storage tank between described beam barrel and electrode group, accepts the driving of this beam barrel and departs from this electrode group to paste to touch, and connect and cut off this electrode group;

One metal framework, be sheathed on this beam barrel periphery and accept the braking of this second end face and locate, this framework has at least one angle extending to this base bottom, and this angle is positioned at this end slot side; And

This light-emitting diode, is fixedly arranged in this groove, has the described power pin extending to this base bottom, and described power pin accepts the braking of this first end face respectively and locates, and makes to form a specific range between described framework and power pin.

2. a stand structure for microswitch, is characterized in that, have complex conduction pin, and stand structure comprises bottom this switch:

Plural number end slot, is formed at the periphery wall of this switch respectively, and this pin top extends to the periphery wall being revealed in this switch in this end slot;

This switch comprises:

One stacker, bottom has at least one reference column;

3. the stand structure of microswitch according to any one of claim 1 or 2, it is characterized in that, this stacker side is formed with plural moulding, and this pedestal is located between described moulding.

4. the stand structure of microswitch according to any one of claim 1 or 2, it is characterized in that, described first end face respectively projection is formed on the pedestal of notch bilateral of this storage tank.

5. the stand structure of microswitch according to any one of claim 1 or 2, it is characterized in that, this beam barrel bilateral forms the guide channel of this groove of connection respectively, and described power pin extends to bottom this switch via this guide channel respectively.

6. the stand structure of microswitch according to any one of claim 1 or 2, it is characterized in that, this framework has the port that is sheathed on this beam barrel periphery.

7. the stand structure of microswitch according to any one of claim 1 or 2, it is characterized in that, this framework bilateral prolongs formation one otic placode processed respectively, and this stacker bilateral forms a buckle portion respectively, this otic placode is formed one and detains the catching groove be located in this buckle portion.

8. the stand structure of microswitch according to any one of claim 1 or 2, is characterized in that, the position ring pedestal of this second end face corresponding to this framework peripheral profile is provided with plural projection, and this framework is accommodating and be positioned between described projection.

9. the stand structure of microswitch according to any one of claim 1 or 2, it is characterized in that, the pedestal of this first end face side corresponds to the position of this power pin peripheral profile and be formed with two symmetrical auricles, this power pin is accommodating and be positioned between described auricle.

10. the stand structure of microswitch according to any one of claim 1 or 2, is characterized in that, more include a printing opacity button utilizing soft exotic material to make, and is arranged at the position this beam barrel is revealed in outside this storage tank, and hides this groove.

The stand structure of 11. microswitches as claimed in claim 10, it is characterized in that, this soft exotic material is silica gel.

12. according to any one of claim 1 or 2 stand structure of microswitch, it is characterized in that, this switch top pastes the smooth high temperature paster in a surface.