CN2431634Y

CN2431634Y - Keying switch structure

Info

Publication number: CN2431634Y
Application number: CN 00246172
Authority: CN
Inventors: 游聪谋
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-08-11
Filing date: 2000-08-11
Publication date: 2001-05-23
Anticipated expiration: 2010-08-11

Abstract

The utility model relates to a keying switch structure, which belongs to the field of the electric appliance and is provided with a power supply switching control mechanism composed of a key, a positioning rod, and an elastic contact piece. The simple structure of the keying switch can be assembled integrally easily, the manufacture cost is reduced, the linking process is simplified and less operational fault occurs. The cap of the key of the utility model can be designed with freely changed and combined various colors and molds according to the user to be matched with the surrounding environment, and the added value of the utility model is increased for the vision ornamental of the color and the mold is mixed with the practicability of the switch.

Description

The key switch structure

The utility model belongs to the electric equipment products field, refers in particular to a kind of press key type construction of switch.

Its operation of general mains switch is main to be energising and to close two kinds of actuating lengths, be interlock action, the simplification switch module of guaranteeing effectively to carry out the switch intraware, or further prolong useful life of switch, to reduce the burden of the wasting of resources and environment, the improvement of construction of switch becomes manufacturer's important common issue, also becomes the consumer and selects the reference factor that uses.

For the switch manufacturer, under before effectively carrying out switch running basic, inscribing, if can reduce the element of composition, make the element cost except reducing, simultaneously also will reduce built-up time, overall cost will reduce relatively, price also can reduce relatively, for manufacturer and the equal Meng Qili of consumer both sides, case is too numerous to enumerate before the patent of construction of switch, as No. the 4167720th, United States Patent (USP), No. 4937548, No. 5223813, No. 5451729, No. 5558211 etc. too numerous to enumerate, but case all has common shortcoming before the patent such as all, promptly is that the assembly after button is many, the movement travel complexity, except increasing manufacturing cost, also will increase because of assembly causes the chance of fault more.

For another example shown in the 1st figure, it is the three-dimensional exploded view of a conventional preceding case key switch, case is when its button 502 up during the position before this routine, the contact 506 of conducting strip 504 separates with contact 510 on the pin 508, when button 502 is pressed into lower position by the top position, spring 514 that button 502 assembles and nose bar 512 can promote conducting strip 504 by elastic force makes its contact 506 and pin 506 contact with contact 510 on the pin 508, make switch become the state of conducting, yet, the elastic force that this spring 514 and nose bar 512 are provided and the indirect strength of promotion, may be because elastic force be tired after using a period of time, can't effectively conducting strip 504 and contact 506 thereof be promoted it is contacted with the contact 510 of pin 508, cause the bad situation of contact conduction, and its button 502 end faces are little, the prompting that can't do in any use indicates, and does not also have the design that is provided with of any additional effect, and the device of case is real before this routine remains further to be improved again.

The purpose of this utility model is to propose a kind of press key type construction of switch of being made up of button, Switch main body, backstay and elastic contact chip, it is not only assembled easily, the interlock process is simplified and can be reduced operating trouble, thereby has solved the existing in prior technology problem.

The technical scheme that the utility model adopted is that it comprises a button, a Switch main body, a positioning rod, an elastic contact chip, interlock location by button and backstay, button is directly compressed or loosen elastic contact chip, produce continuous action relation and close or turn-on power, wherein:

This button, its plate body downside is concaved with the annular stepped road, is convexly equipped with a polygonal protuberance in the middle of this ring-type ladder access, one side is established a groove, this groove is for assembling one flexible member, and group is provided with button lid on the button, and this button lid is assembled in button by fastening post and button hole;

This Switch main body is the hollow housing of a side openings, and its end face has an opening, and this opening is assembled aforesaid button, and the side openings of Switch main body is combined with a lid, and the medial surface of this lid is offered a pole hole, a perforation, a fixing hole;

This backstay, its top is bent into a nose bar, and the below bending becomes pole, and this pole is passed by the perforation of lid and is assembled in pole hole, and the lid fixing hole of the back side of backstay is assembled an elastic component.

Advantage of the present utility model is: overall package is easy, reduces manufacturing cost, the interlock process simplify and and button directly contact compress or unclamp elastic contact chip, form circuit turn-on or open circuit, can reduce the concrete effect of operating trouble.

It can freely change the button lid of combination shades of colour, moulding with user's the meaning the utility model, cooperates surrounding environment, among the ornamental practicality that is merged into switch of the vision of color or moulding, increases surcharge of the present utility model.

Fig. 1 is the three-dimensional exploded view of conventional preceding case.

Fig. 2 is the exploded perspective view of the utility model embodiment.

Fig. 3 is the three-dimensional view of the utility model embodiment button.

Fig. 4 is the medial surface three-dimensional view of the utility model embodiment lid.

Fig. 5 is the combination stereo appearance figure of utility model embodiment of dwelling.

Fig. 6 is the cutaway view of the utility model embodiment combination, and it shows the situation of closing (OFF) of present embodiment.

Fig. 7 is the cutaway view of the utility model embodiment combination, and it shows the situation of the energising (ON) of present embodiment.

Fig. 8 is the ring-type ladder access of the utility model embodiment button and the nose bar interlock relative position figure of backstay.

Fig. 9 is the combination schematic diagram of the another kind of button lid of the utility model embodiment.

Further specify preferred embodiment of the present utility model in conjunction with above-mentioned each accompanying drawing now.To shown in Figure 4, it is exploded perspective view, button three-dimensional view, the lid medial surface three-dimensional view of embodiment of the present utility model as Fig. 2; A kind of key switch structure of the present utility model, it includes:

One by strong 1, be provided with a plate body 10 in the middle of the button 1, be concaved with polygonal ring-type ladder access 11 in the middle of its below side, the polygonal protuberance 111 that is convexly equipped with one＜shape in the middle of this ring-type ladder access 11, an arcuation protuberance 12 is established in button 1 below, another side is provided with a groove 13, this groove 13 is for assembling one flexible member 14, be a compression spring in the present embodiment, moreover, the plate body 10 of button 1 is provided with several and fastens post 15, and this fastening post 15 has outwards extended clasp 151, and the top of plate body 10 covers combination one button lid 16, the button face 162 that this peace key covers 16 tops can be designed to various moulding, as quadrangle, polygonal and shades of colour, the side of button lid 16 offers button hole 161, and button hole 161 corresponding groups are buckled in aforesaid clasp 151.

One Switch main body 2, it is the hollow housing of a tool side openings shape, there is an opening 21 on its top, this opening 21 is for the aforesaid button 1 of assembling, offer first slot 22, second slot 23 in the bottom surface of Switch main body 2, there is a contact hole 251 first,

second contact terminal

24,25, the second contact terminals 25 tops of pegging graft respectively, be combined with contact 252 on it, the corner of Switch main body 2 is respectively equipped with several combined holes 26; The side openings of this Switch main body 2 is combined with a lid 27, and this lid 27 is provided with several combined holes 271 corresponding to the combined hole 26 of Switch main body 2, is riveting in Switch main body 2 with rivet 272; Other is the person, as shown in Figure 4, the medial surface below of this lid 27 is provided with a projection 273, projection 273 is offered a pole hole 274, the rear side of projection 273 is offered perforation 275, the top of perforation 275 is a fixing hole 276, and lid 27 has extended first and second locating piece 277,278 corresponding first and second slots 22,23 that are combined in projection 273.

A positioning rod 3, it slightly becomes  shape, is bent into a nose bar 31 on this backstay 3, and the below bending is pole 32; This pole 32 is passed by the perforation 275 of lid 27 and is assembled in pole hole 274, other is in lid 27 fixing holes 276 assemblings one elastic component 33 of the back side of backstay 3, at present embodiment is a compression spring, this backstay 3 one elastic force forward is provided, and the pole 32 that backstay 3 is able to its below is all around the swing of distance a little for the center.

One elastic contact chip 4, free end is provided with a contact hole 41 above it, and in contact hole 41 from bottom to top in conjunction with a upper contact 42; This upper contact 42 is positioned at the top of the following contact 252 of second contact terminal 25, and the below of elastic contact chip 4 is a tabular, and fixed clamp is between the bottom surface of first contact terminal, 24 upper ends and Switch main body 2.

As shown in Figure 6, it is the cutaway view of the utility model embodiment combination, it shows (OFF) situation of closing of the utility model embodiment, again as shown in Figure 5 and Figure 8, when the user pushes button 1, button 1 whole pressuring elastic element 14 (compression spring) is downwards accumulated the elastic force of upwards replying, the elastic force that the end of the nose bar 31 of the former backstay 3 that is positioned at bad shape ladder access 11 is subjected to elastic component 33 is resisted against the P1 point of ring-type ladder access 11 forward, and because of the restriction of projection of upper right side, this nose bar 31 slides onto the P2 point relatively along ring-type ladder access 11, the user decontrols button 1, button 1 integral body is subjected to the back stretch of flexible member (compression spring) 14 and pops up, nose bar 31 arrives the P3 point along the path of ring-type ladder access 11, the protuberance 12 of this elastic contact element 4 disengaging buttons 1 bottom surface compresses at this moment, pop up by the elastic force of itself, its upper contact 42 escapes separate with following contact 252, form the state that (OFF) closed in outage.

Fig. 7 is the cutaway view of the utility model embodiment combination, shows the situation of the energising (ON) of the utility model embodiment; In the lump with reference to figure 8, when the user pushes button 1 by closing (OFF) state, button 1 whole pressuring elastic element 14 (compression spring) is downwards accumulated the elastic force of upwards replying, the end of the nose bar 31 of the backstay 3 in the ring-type ladder access 11 is resisted against the P3 point of ring-type ladder access 11 forward with the elastic force that is subjected to elastic component 33, and restriction because of the more protruding ladder access in left side, this nose bar 31 arrives the P4 point along the relative slippage of ladder access, the user decontrols button 1, button 1 integral body is subjected to the back stretch of flexible member (compression spring) 14 and pops up, nose bar 31 arrives the P1 point along the path of ring-type ladder access 11, this moment, this elastic contact element 4 was subjected to the compressing downwards of protuberance 12 of button 1 bottom surface, its upper contact 42 contacts with following contact 252 downwards, and electric current is by first contact terminal 24, elastic contact chip 4, upper contact 42, following contact 252, second contact terminal 25 and form the state of the energising (ON) of circuit loop.

Form structure by this easily, the ring-type ladder access 11 that pressing keys 1 is provided with the side, below of this button 1 cooperates the continuous action relation of the nose bar 31 of backstays 3 that button 1 is positioned downward or upward state, button 1 directly contact compresses or unclamps this elastic contact chip 4, forms the construction of switch of circuit loop conducting or off state.

Moreover, the utility model utilizes several set on the plate body 10 of its button 1 clasps 151 that fasten post 15 and outwards extend, can freely change combination shades of colour or moulding with user's the meaning, button lid 16 as circle, quadrangle, polygonal (shown in the 9th figure), cooperate the surrounding environment that switch was positioned at, among the ornamental practicality that is merged into switch of the vision of color or moulding, increase surcharge of the present utility model.

From the above mentioned, the utility model is directly contacted interlock by button 1 and elastic contact chip 4 the relation of switch motion is simple and easy, has practical effect really, but button lid 16 arbitrary combination change, and be new design not seen before, have effectiveness and progressive.

Below the utility model is done one and describe in detail, but above-described, only be preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented.Be all variations of being done according to the utility model claims scope and modification etc., all should still belong in the scope of claims protection of the present utility model.

Claims

1, a kind of key switch structure includes: a button, a Switch main body, a positioning rod, an elastic contact chip; By the interlock of button and backstay location, button is directly compressed or loosen elastic contact chip, produce continuous action relation and close or turn-on power, it is characterized in that:

This button, its plate body downside is concaved with the ring-type ladder access, is convexly equipped with a polygonal protuberance in the middle of this ring-type ladder access, and a side is established a groove, and this groove is for assembling one flexible member, and group is provided with button lid on the button, and this button lid is assembled in button by fastening post and button hole:

This Switch main body, it is the hollow housing of a side openings, and its end face has an opening, and this opening is for the aforesaid button of assembling, and the side openings of Switch main body is combined with a lid, and the medial surface of this lid is offered a pole hole, a perforation, a fixing hole;

This backstay, its top is bent into a nose bar, and the below bending is pole, and this pole is passed by the perforation of lid and is assembled in pole hole, and the lid fixing hole of the back side of backstay is assembled an elastic component.

By the described a kind of key switch structure of claim 1, it is characterized in that 2, said button below is provided with an arcuation protuberance.

3, by the said a kind of key switch structure of claim 1, it is characterized in that, said button is provided with plate body, this plate body is provided with several and fastens post, fasten post and outwards extended clasp, and the top of this plate body covers combination one button lid, and the side of button lid offers button hole, and the corresponding group of button hole is buckled in aforesaid clasp.

By the said a kind of key switch structure of claim 1, it is characterized in that 4, said button lid can be made as various moulding, as circle, quadrangle, polygonal.

By the said a kind of key switch structure of claim 1, it is characterized in that 5, the button lid of said button can be provided with and be shades of colour.

By the said a kind of key switch structure of claim 1, it is characterized in that 6, the flexible member that the groove of said button is assembled is a compression spring.

By the said a kind of key switch structure of claim 1, it is characterized in that 7, the elastic component that the lid fixing hole of the back side of said backstay is assembled is a compression spring.