CN2755764Y

CN2755764Y - Microswitch

Info

Publication number: CN2755764Y
Application number: CN 200420112543
Authority: CN
Inventors: 李金龙; 许嘉欣
Original assignee: Xinju Enterprise Co Ltd
Current assignee: Zippy Technology Corp
Priority date: 2004-11-15
Filing date: 2004-11-15
Publication date: 2006-02-01
Anticipated expiration: 2014-11-15

Abstract

The utility model discloses a microswitch, and provides a microswitch with the advantage of convenient assembly and manufacture. A combined part of an elastic element often contacts a first conductive terminal in a main body of the microswitch, the elastic element is opened and closed by an electric contact, and a second conductive terminal in the main body is arranged in a flat plate shape. Thus, the second conductive terminal is provided with a contact area, and a first and a second electric conduction parts of the elastic element linked by buttons move on the contact area of the second conductive terminal. A predetermined signal initial conducting state and a signal ultimate conducting state of the microswitch are formed, thereby, the utility model increases the control travel ranges of the signal conduction. In addition, the elastic element obtains effective deformation and provides optimum return elasticity for the buttons.

Description

Microswitch

Technical field

The utility model relates to a kind of microswitch, and particularly a kind of have a plurality of direction of operating and carry out the microswitch that the electric contact ON/OFF is used.

Background technology

Announce No. 517254 switchette for improving in the Taiwan patent of invention, and the lever switch that the Taiwan patent of invention is announced No. 493189 (U.S. disclose No. 2002/0148714) is owing to making and the not good defective that produces of assembly precision, the applicant once applied for and got permission to have disclosed in the microswitch (two) of No. the 562228th, Taiwan patent announcement a kind ofly need not changing existing small product size and need not complicated manufacturing process and precision control a kind of is convenient to the microswitch assembling and make, first of the flexible member of using by the electric contact ON/OFF, a group connecting part that forms between two conductive parts, and on button to sentencing the location division that a groove is provided with a winding flexible member by group connecting part, make first conductive part of this flexible member and first contact site that first conducting terminal extends to receiving room often keep contact condition, second conductive part then is subjected on the button the corresponding compression part that is provided with that downforce is provided and moves down and touch second contact site that second conducting terminal extends to receiving room, forms a microswitch that is easy to assemble like this.

Though, this case has efficiently solved the assembly precision problem, but for strict day by day microswitch, above-mentioned prior art can't satisfy the signal conduction stroke and button is being removed the demand that stress need be replied fast, mainly be because first, two conducting terminals are to be in the receiving room that parallel shape is arranged at main body, therefore, the signal conduction stroke that can provide is subjected to the limitation of spatial configuration, in addition, first of flexible member, two conductive part relative distances are little, therefore the compressive state that is subjected to the button interlock is quite limited, can't reply in real time fast when the button stress is removed.

At aforesaid drawbacks, the applicant proposes a microswitch patent (apply for 200420088103.X number the China's Mainland) in addition, a kind of microswitch of assembling and making be convenient to more wherein is provided, mainly first conducting terminal is often kept contact condition in first conductive part of the flexible member of using by the electric contact ON/OFF and the microswitch main body, and make second conducting terminal in the main body be the tabular setting and have a contact area, and second conductive part of this flexible member is subjected to the contact area top offset of button interlock at second conducting terminal, thereby form the default initial conducting state of signal of microswitch to the final conducting state of signal, increase the control stroke of signal conduction by this, can allow flexible member obtain effective deformation in addition and the back stretch of button the best is provided, but, above-mentioned each case all can only reach on the implementation vertically to and a side level to stressed and form signal conduction, if user's desire select the opposite side level to the enforcement state, though can installing it direction, above-mentioned each case can reach on the contrary, but in the existing electronic installation, if need reach simultaneously vertically to and two side levels to stressed formation signal conduction, above-mentioned each case just can't meet the demands.

In Taiwan patent announcement No. 492027 and No. 477995, disclosed a kind of possess simultaneously vertically to and two side levels to the switching device of stressed formation signal conduction, because this type switch designs still can't be broken away from and utilize an end conductive part and the conducting terminal of flexible member often to keep contact condition, other end conductive part is then as movable contact, and be provided with the traditional design mode that action bars connects another conducting terminal in Switch main body inside, therefore can obviously find out, such designs not only the complicated and assembling of member and is difficult for, and pushes in addition and recovery stroke is difficult to control especially.

The utility model content

Main purpose of the present utility model is to solve the defective that exists in the above-mentioned prior art, provide a kind of possess simultaneously vertically to and two side levels to stressed formation signal conduction state and the microswitch assembling and make of being more convenient for.

For this reason, comprise that according to microswitch of the present utility model one forms the main body of a receiving room in inside, and main body is provided with first, two conducting terminals, and dispose a button that can free rotating manner be supported in main body at receiving room, and one be positioned at button below and top button on the elastic force be provided and form the stressing main part, and have first, two conductive parts and be positioned at first, group connecting part between two conductive parts, to touch first, the flexible member of two conducting terminals, of the present utility model being characterised in that, corresponding group connecting part is provided with the location division of a winding flexible member in the receiving room of main body, make the group connecting part and first conducting terminal of flexible member often keep contact condition, first, two conductive parts then are subjected to the downforce of button and move down to touch second conducting terminal, and first, the contact area of two conductive parts and second conducting terminal satisfies the default initial conducting state of signal of microswitch to the final conducting state of signal.

Can increase the control stroke of signal conduction according to microswitch of the present utility model, can allow flexible member obtain effective deformation in addition and the back stretch of button the best is provided.

Description of drawings

Fig. 1 is a stereoscopic schematic diagram of the present utility model;

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

Fig. 3 is a STRUCTURE DECOMPOSITION schematic diagram of the present utility model;

Fig. 4-1～4-3 is of the present utility model vertically to stressed schematic diagram;

Fig. 5-1～5-3 is that dextrad level of the present utility model is to stressed schematic diagram; And

Fig. 6-1～6-3 is that left-hand level of the present utility model is to stressed schematic diagram.

Embodiment

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

See also Fig. 1,2, shown in 3, as shown in the figure, the utility model comprises that one forms the main body 10 of a receiving room 11 in inside, and this main body 10 is provided with first, two conducting

terminals

50,40, and dispose a button 20 that can free rotating manner be supported in main body 10 at aforementioned receiving room 11, and one be positioned at button 20 belows and provide on the elastic force and to press button 20 stressing mains 10 outer and form two stress surfaces 21 of

button

20,22 and be positioned at two stress surfaces 21, force side 23 between 22, and have first, two

conductive parts

32,33 and be positioned at first, two conductive parts 32, group connecting part 31 between 33, to touch first, two conducting

terminals

50,40 flexible member 30, wherein first of this flexible member 30, two

conductive parts

32,33 also are bent with one first, two power connection ends 321,331, main body 10 of the present utility model is covered with its corresponding fixed part 103 and chucking lug 104 by a base 101 and a lid 102 and forms a receiving room 11, and on base 101, offer an openend 111 that supplies button 20 to expose and be communicated with receiving room 11, and in the receiving room 11 of main body 10 to should group connecting part 31 being provided with the location division 112 of a winding flexible member 30, aforementioned button 20 is designed to the part that this button 20 exposes main body 10 and has two

stress surfaces

21,22, and the part that is positioned at receiving room 11 at this button 20 has first of crimping flexible member 30, two

conductive parts

32,33 two

press face

24,25, and press face 24 two, 25 end

forms restriction end

26,27; Technical characterictic of the present utility model is that the group connecting part 31 of this flexible member 30 and first conducting terminal 50 often keep contact condition, first, two

conductive parts

32,33 are subjected to the downforce of button 20 and move down to touch second conducting terminal 40, and first, two conductive parts 32, the contact area 41 of 33 and second conducting terminal 40 need satisfy the default initial conducting state of signal of microswitch to the final conducting state of signal, the contact area 41 of this second conducting terminal 40 comprise two with first conducting terminal 50 be relative vertical in being disposed at receiving room 11 for first of elasticity element 30, two conductive parts 32, first of 33 contacts, two contacting parts 411,412, and this first, two contacting parts 411, has a junction 413 between 412.

From Fig. 4-1～4-3, can obviously find out of the present utility model vertically to stressed schematic diagram, because this second conducting terminal 40 is tabular and is arranged in the receiving room 11, thereby has a contact area 41, and first of this flexible member 30, two

conductive parts

32,33 bent first, two power connection ends 321,331 are positioned at first of contact area 41 relatively, two contacting parts 411, between 412, this position is defined herein as the signal off-line state, when button 20 is subjected to vertically to the application of force, the 23 stressed displacements vertically downward of force side, button 20 top, and when displacement, because the group connecting part 31 of flexible member 30 forms restriction in the location division 112 of receiving room 11, make two of button 20 bottoms press

face

24,25 press first of flexible member 30 synchronously, two

conductive parts

32,33 to two side displacements, because the group connecting part 31 and first conducting terminal 50 of flexible member 30 are kept contact condition, therefore, when button 20 stroke peaks, can be designed to shown in Fig. 4-2, allow first, two

conductive parts

32,33 first, two power connection ends 321, first of the contact area 41 of 331 and second conducting terminal 40, two contacting parts 411,412 join and form the initial conducting state of signal, and shown in Fig. 4-3, when button 20 stroke minimum points, the contact area 41 of second conducting terminal 40 satisfies button 20 strokes, make and win, two

conductive parts

32,33 first, two power connection ends 321,331 when 20 times shifting states of button, all keep the state that touches conducting with contact area 41, therefore, form a final signal conducting state in button 20 stroke minimum points, and from the initialize signal conducting state to the signal stroke the final signal conducting state, to meet the design of button 20 traveled distances, therefore, microswitch of the present utility model can provide best signal stroke design, in addition, it should be noted that, because the microswitch magnitude of current is minimum, therefore, first, two power connection ends 321,331 when contact area 41 top offsets, can't produce spark, therefore not have any dangerous generation.

In addition, because the relative spacing of first conductive part 32 of flexible member 30 and the more traditional microswitch of relative spacing of second conductive part 33 is big, therefore when button 20 stroke minimum points, flexible member 30 stored elastic force increase relatively, for the maximum storage elastic force that satisfies group connecting part 31 fully and the group connecting part 31 that do not influence flexible member 30 are often kept contact condition with first conducting terminal 50 really, the outside of the location division 112 of this receiving room 11 is provided with position-limiting part 114, to cross the installing space 115 of a flexible member 30, also the outer peripheral edges in the location division 112 of this receiving room 11 are formed with a compressing surface 113, allow the group connecting part 31 of flexible member 30 have preferable shrink space to store best elastic force, button 20 can be resetted immediately and apace when stress is removed, thereby the effective conducting state of ring off signal.

Can find out obviously that from Fig. 5-1～5-3 dextrad level of the present utility model is to stressed schematic diagram, then be that left-hand level of the present utility model is to stressed schematic diagram among Fig. 6-1～6-3, when button 20 from dextrad or left-hand level to stressed, button 20 will be from skew in the other direction to bottom offset, at this moment, at least one stress surface of button 20 will press first of flexible member 30, two

conductive parts

32,33, form the initialize signal conducting state with the contact area 41 that touches second conducting terminal 40, and when the final signal conducting state of button 20 stroke minimum points, press face 24 by two, the restriction end 26 of 25 ends, pull in the both sides of the openend 111 of body in 27 tops, make that button 20 can over-deflection and fall in the receiving room 11 of body, and can be by first of flexible member 30, two

conductive parts

32,33 elastic force discharges and replys reset condition really.

The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.

Claims

1. microswitch, comprise that one forms the main body (10) of a receiving room (11) in inside, and described main body (10) is provided with first, two conducting terminals (50,40), and dispose a button (20) that can free rotating manner be supported in described main body (10) at described receiving room (11), and one be positioned at described button (20) below and top described button (20) be provided on the elastic force and form stressing main (10) part, and have first, two conductive parts (32,33) and be positioned at described first, two conductive parts (32,33) group connecting part between (31), to touch described first, two conducting terminals (50,40) flexible member (30) is characterized in that:

Corresponding described group connecting part (31) is provided with the location division (112) of a winding flexible member (30) in the receiving room (11) of described main body (10), make the group connecting part (31) of described flexible member (30) often keep contact condition with described first conducting terminal (50), described first, two conductive parts (32,33) then be subjected to the downforce of described button (20) and move down and touch described second conducting terminal (40), and described first, two conductive parts (32,33) contact area (41) with described second conducting terminal (40) satisfies the default initial conducting state of signal of microswitch to the final conducting state of signal.

2. according to the described microswitch of claim 1, it is characterized in that, described main body (10) is to be covered with its corresponding fixed part (103) and chucking lug (104) and formed described receiving room (11) by a base (101) and a lid (102), and offers an openend (111) that exposes and be communicated with described receiving room (11) for described button (20) on described base (101).

3. according to the described microswitch of claim 1, it is characterized in that, the contact area (41) of described second conducting terminal (40) comprise two with described first conducting terminal (50) be relative vertical in being disposed at described receiving room (11) for first and second contacting part (411,412) of first and second conductive part (32, the 33) contact of described flexible member (30), and between described first and second contacting part (411,412), have a junction (413).

4. according to the described microswitch of claim 1, it is characterized in that first and second conductive part of described flexible member (30) (32,33) also is bent with first and second power connection end (321,331).

5. according to the described microswitch of claim 1, it is characterized in that, the stressing main (10) of described button (20) part has two stress surfaces (21,22) and and is positioned at force side (23) between the described stress surface (21,22), and the part that described button (20) is positioned at described receiving room (11) have the described flexible member of crimping (30) first and second conductive part (32,33) two press face (24,25), and form restriction end (26,27) in described two ends that press face (24,25).

6. according to the described microswitch of claim 1, it is characterized in that the outer peripheral edges of the location division (112) of described receiving room (11) are formed with a compressing surface (113).

7. according to the described microswitch of claim 1, it is characterized in that the outside of the location division (112) of described receiving room (11) is provided with position-limiting part (114), to cross the installing space (115) of described flexible member (30).