CN2558063Y

CN2558063Y - Improved switch structure

Info

Publication number: CN2558063Y
Application number: CN 02206394
Authority: CN
Inventors: 李金龙
Original assignee: Xinju Enterprise Co Ltd
Current assignee: Zippy Technology Corp
Priority date: 2002-03-07
Filing date: 2002-03-07
Publication date: 2003-06-25
Anticipated expiration: 2012-03-07

Abstract

Disclosed is an improved switch mechanism. The elastic part of a conductive elastic plate which is to conduct the first and the second pins is extended towards the upper cover and is arranged in parallel with a button in the same section, making the thicknesses of the upper cover and the base be greatly reduced so that the height of the entire switch is reduced and the demand of being thinner and smaller of the electric component is fulfilled. The spatial arrangement of the utility model can fulfill the demand of the peripheral equipment.

Description

The modified model switch structure

Technical field

The utility model relates to a kind of modified model switch structure, particularly a kind of sensitive switch of the height that can effectively reduce by more than 50.

Background technology

As shown in Figure 1, it is the sensitive switch of functions such as the instruction output that is used for electronic products such as mouse, keyboard of present present technique field, electric power starting, this sensitive switch mainly has one group of base 2b that makes up mutually and loam cake 1b, on base 2b, dispose the first pin 3b and the second pin 4b, be formed with the first positioning section 31b and the second positioning section 32b on this first pin 3b.And this loam cake 1b is provided with a through hole 11b, first, two

3b, 4b is provided with an electroconductive elastic sheet 5b, this electroconductive elastic sheet 5b one end has a blocking part 51b who is connected to the first positioning section 31b, the other end then has a corresponding conducting portion 52b who connects the second pin 4b, and being integrally formed with one on electroconductive elastic sheet 5b extends and makes the other end be connected in the elastic portion 53b of the second positioning section 32b to base 2b bending, on electroconductive elastic sheet 5b, be provided with again and be exposed at through hole 11b outside one and in order to press the button 6b of electroconductive elastic sheet 5b, when button 6b presses electroconductive elastic sheet 5b downwards, because electroconductive elastic sheet 5b is with blocking part 51b and the first pin 3b and second pin 4b connection, be subjected to button 6b downforce also to pass through the elastic force of elastic portion 53b, make conducting portion 52b moment of the other end of electroconductive elastic sheet 5b move the crimping second pin 4b and form conducting, constitute a sensitive switch like this.

Can obviously find out by figure, above-mentioned switch must keep certain space and press down for button 6b, and the bending part of the elastic portion 53b of electroconductive elastic sheet 5b also must keep certain space bending and action, so from existing product, the global switch height (does not comprise first, two pin 3b, the height of 4b) is 7.3mm, but because the existing electronic product of this switch that uses trends towards gently, thin, short, little consumer demand orientation, the thickness that existing switch have to tend to subdue loam cake 1b and base 2b meets demand, but this measure causes the switch undercapacity on the contrary, and cause product to transport or the user causes switch loam cake 1b or base 2b to break when pushing and can't use, when perhaps in manufacture process, utilizing instrument assembling or injection moulding, make the switch distortion because of chucking power is excessive, the puzzlement that does not meet economic benefit that causes defect rate significantly to promote.

Moreover, above-mentioned switch has a serious defective to have much room for improvement in addition, because the elastic portion 53b other end is the second positioning section 32b that is positioned at the first pin 3b with the clamping relation, but the deflection situation is not exclusively arranged owing to electroconductive elastic sheet 5b has part substandard products or assembling unavoidably in assembling process or manufacturing process, therefore in use for some time, cause flexure strip to break away from the second positioning section 32b easily, and because of elastic portion 53b too near the second pin 4b, therefore contact with the second pin 4b easily when elastic portion 53b breaks away from and form conducting state, therefore will output error instruct, for the industry of high precision, in case baffled instruction generation will cause the related influence of whole system and cause very big loss.

Summary of the invention

Main purpose of the present utility model is to address the above problem, and avoids the existence of shortcoming.The utility model mainly provides a kind of thickness that has only half height of existing switch and reduce switch not significantly, it mainly changes the kink of electroconductive elastic sheet to loam cake extension bending into, make elastic portion to loam cake extend with the button configured in parallel in same interval, to omit original retaining space, in addition, even elastic portion breaks away from second positioning section accidentally, elastic portion will be to top offset, and can not form conducting by false touch second pin, the control purpose of an output right instructions more is provided.

Another purpose of the present utility model is that this base is that one injects to loam cake and extends to form a reinforcement section, can also dwindle loam cake and base thickness, and also not influence whole switch intensity by this reinforcement section.

Relevant detailed description of the present utility model and technology contents, existing as follows with regard to accompanying drawings:

Description of drawings

Fig. 1 is the structural profile schematic diagram of existing switch;

Fig. 2 is a stereoscopic schematic diagram of the present utility model;

Fig. 3 is a part-structure decomposing schematic representation of the present utility model;

Fig. 4 is a complete structure decomposing schematic representation of the present utility model;

Fig. 5-1,5-2 are section action schematic diagrames of the present utility model;

Fig. 6 is the stereoscopic schematic diagram of another embodiment of the present utility model;

Fig. 7 is the structural profile schematic diagram of another embodiment of the utility model.

Embodiment

See also Fig. 2,3,4, be the utility model stereoscopic and STRUCTURE DECOMPOSITION schematic diagram, as shown in the figure: the utility model mainly has one group of base 2a that makes up mutually and loam cake 1a, this loam cake 1a and base 2a side wall surface are provided with the protuberance 22 and the recess 12 of corresponding assembling, and this base 2a is that one injects to loam cake 1a and extends to form a reinforcement section 21, after making loam cake 1a and base 2a utilize protuberance 22 and recess 12 assemblings, can remedy the strength problem that loam cake 1a or base 2a derive because of the thickness attenuation with 21 supports of reinforcement section; On base 2a, dispose the first pin 3a and the second pin 4a in addition, be formed with the first positioning section 31a and the second positioning section 32a on this first pin 3a, this is first years old, two positioning sections 31,32a becomes " く " shape, and this loam cake 1a is provided with a through hole 11a, and in base 2a and be positioned at first, two

3a, 4a is provided with an electroconductive elastic sheet 5a, this electroconductive elastic sheet 5a one end has a blocking part 51a who is connected to the first positioning section 31a, the other end then has a corresponding conducting portion 52a who connects the second pin 4a, and on electroconductive elastic sheet 5a, be integrally formed with one and extend and make the other end be provided with breach 531, on electroconductive elastic sheet 5a, be provided with again and be exposed at through hole 11a outside one and in order to press the button 6a of electroconductive elastic sheet 5a to be connected to the elastic portion 53a of the second positioning section 32a to loam cake 1a bending.Elastic portion 53a by electroconductive elastic sheet 5a to loam cake 1a extend with button 6a configured in parallel in same interval, can significantly reduce the global switch height like this, and more meet the spatial configuration demand of electronic component.

Seeing also Fig. 5-1,5-2, is section action schematic diagram of the present utility model.As shown in the figure, the breach 531 of the blocking part 51a of electroconductive elastic sheet 5a and elastic portion 53a is connected in first, second positioning section 31a, the 32a of the first pin 3a respectively and locatees that (the utility model is for cooperating the elastic portion 53a of electroconductive elastic sheet 5a, so the turnover direction of the second positioning section 32a of the first pin 3a is different from prior art fully), do not cover preceding disengaging for avoiding it at loam cake 1a as for the electroconductive elastic sheet 5a other end, this end is extended to below the reinforcement section 21 of base 2a, make the electroconductive elastic sheet 5a other end be subjected to the restriction of reinforcement section 21 and locate; When loam cake 1a covers base 2a, the user pressing button 6a that exerts oneself, stressed the moving down of button 6a presses electroconductive elastic sheet 5a, at this moment, electroconductive elastic sheet 5a utilizes an end blocking part 51a and the first positioning section 31a to connect and fix the formation fulcrum, and form fulcrum with the breach 531 clampings second positioning section 32a equally by elastic portion 53a, make the conducting portion 52a of the electroconductive elastic sheet 5a other end be subjected to elastic force to drive downward moment and move the crimping second pin 4a, and form first and

second pin

3a, 4a conducting with output instruction signal.

By can obviously finding out among the figure, the elastic portion 53a of electroconductive elastic sheet 5a of the present utility model and button 6a are positioned at same motion space, can reduce the global switch height significantly, (do not comprise first with the existing optimum height of the utility model, two pin 3a, the height of 4a) is 3.6mm, 7.3mm than existing product reduces by more than 50, it is lighter more to meet existing electronic product trend like this, thinner demand, even elastic portion 53a breaks away from the second positioning section 32a accidentally in addition, elastic portion 53a will and be subjected to the restriction of reinforcement section 21 to top offset, and can not form conducting by the false touch second pin 4a, the control purpose of an output right instructions more is provided.

Seeing also Fig. 6, Fig. 7, is stereoscopic and the structural profile schematic diagram of another embodiment of the utility model, and another embodiment of the present utility model is that the disclosure switch is the assembled state that SMT technology is made first and

second pin

3a, 4a.

The above, it is preferred embodiment of the present utility model, can not be in order to limit the scope that the utility model is implemented, promptly the equivalent of being made according to the utility model claim generally substitutes and revises, and all should still belong in the scope that the utility model contains.

Claims

1. modified model switch structure, it is characterized in that comprising: one group of base that makes up mutually (2a) and loam cake (1a), on base (2a), dispose first pin (3a) and second pin (4a), be formed with first positioning section (31a) and second positioning section (32a) on described first pin (3a), and described loam cake (1a) is provided with a through hole (11a);

One electroconductive elastic sheet (5a), the one end has a blocking part (51a) that is connected to first positioning section (31a), the other end then has a corresponding conducting portion (52a) that connects second pin (4a), and going up integral body at electroconductive elastic sheet (5a) is provided with one and extends and be provided with the elastic portion (53a) of breach (531) to be connected to second positioning section (32a) at the other end to loam cake (1a) bending, on electroconductive elastic sheet (5a), be provided with and be exposed at through hole (11a) and button (6a) outside one in order to press electroconductive elastic sheet (5a), elastic portion (53a) by electroconductive elastic sheet (5a) to loam cake (1a) extend with button (6a) configured in parallel in same interval, can significantly reduce the global switch height like this, and more meet the spatial configuration needs of electronic component.

2. modified model switch structure according to claim 1 is characterized in that, described base (2a) is that general injection forms, and comprises a reinforcement section (21) of extending to loam cake (1a).

3. modified model switch structure according to claim 1 is characterized in that, described loam cake (1a) and base (2a) side wall surface are provided with the protuberance (22) and the recess (12) of corresponding assembling.