CN207474304U - A kind of Novel key switch - Google Patents

Abstract

The utility model discloses a kind of Novel key switchs, including pedestal, static contact, movable contact spring, button, resetting spring, crochet hook and upper cover, cavity is provided in pedestal, the slot connected with cavity is both provided in the symmetrical side wall of pedestal two, static contact is inserted into slot, button is located in the cavity, movable contact spring is provided with two panels and is symmetrically mounted on button two sides and coordinates with static contact, cavity bottom surface is provided with spring base, button bottom is provided with spring eye, resetting spring one end is positioned on spring base, the other end is set in spring eye, crochet hook between two panels movable contact spring and by the resetting spring with it is described by key connection.The utility model has the advantages of convenient installation, it is simple in structure but more stable, conduct electricity very well, service life it is long, and circuit can be made to keep corresponding state.

Description

A kind of Novel key switch

Technical field

The utility model is related to a kind of switches, and in particular to a kind of Novel key switch.

Background technology

Existing key switch, including button, button lid and bottom seat, the pedestal is equipped with cavity, in the cavity Equipped with reed, one end of the button is set in the accommodating cavity of button lid, and the other end of the button is pierced by button lid, and described presses Button coordinates with the sliding of button lid.When by the top of lower button, button just slides in button lid, oppresses and sinks in reed, electric at this time Road is connected.And when release button, reed is replied under the action of elastic force, bullet on button, and switch disconnects.Existing key switch The stroke of button is limited, but reed is designed with button for split, needs to individually produce out the two accessories first, then lead to Hand assembled is crossed, timeliness is slow, and the quality of product cannot be guaranteed, while volume is larger, and structure is unsightly.

Utility model content

The technical problem to be solved by the utility model is to for the above-mentioned deficiency of the prior art, propose a kind of volume It is small, easy for installation, conduct electricity very well, the Novel key switch of stable structure, the operation is stable.

The utility model solves its technical problem, the technical solution adopted is that, a kind of Novel key switch, including pedestal 1, Static contact 2, movable contact spring 3, button, resetting spring, crochet hook and upper cover, it is characterised in that：Cavity is provided in the pedestal 1, institute It states in the symmetrical side wall of pedestal 1 two and is both provided with the slot connected with the cavity, the static contact 2 is inserted into slot, Button is located in the cavity, and the movable contact spring 3 is provided with two panels and is symmetrically mounted on button two sides and matches with static contact 2 It closes, the movable contact spring 3 is integrally formed with button 4；The cavity bottom surface is provided with spring base, and the button bottom is provided with spring Hole, described resetting spring one end are positioned on spring base, and the other end is set in spring eye, and the crochet hook is located at two panels movable contact spring Between 3 and by the resetting spring with it is described by key connection；The cavity setting is rectangular, and four of the rectangle cavity turn Limited post is both provided at angle, the lower end of the button is provided with the boss coordinated with the limited post.

Preferably, fixing groove is both provided on the lateral surface of 1 other two symmetrical side of pedestal, is all provided in the fixing groove Symmetrical back-off is equipped with, corresponding buckle is provided on the upper lid, the upper cover is fastened with pedestal 1.

Preferably, the spring base includes two symmetrically arranged fasteners, and the cavity bottom is provided with crochet hook seat, described There is opening on crochet hook seat, described crochet hook one end is across the opening to two fasteners.

Preferably, confined planes are provided on the button, limiting groove, the limiting groove are provided on the confined planes On be provided with fixed lobe, described crochet hook one end engages or disengages with the fixed lobe.

Preferably, it is provided with what is connected with the cavity on side wall of the pedestal 1 far from spring base and with fixing groove Notch.

Preferably, the bottom of the notch is flushed with the cavity bottom, and is provided with and is extended in cavity for crochet hook Position fixed crochet hook locating slot.

Preferably, described two fasteners are symmetricly set on the both sides of crochet hook locating slot, and the opening is positioned with the crochet hook Slot is coaxial.

Preferably, the adjustment for crochet hook to be made to be maintained at crochet hook locating slot centre position is set in the crochet hook locating slot Device；The adjusting apparatus include the adjustment plate of a pair of and described crochet hook contact, be located in the accordingly adjustment plate and with it is described The adjustment spring of the cell wall connection of crochet hook locating slot, the bottom of the adjustment plate are provided with sliding shoe, in the crochet hook locating slot It is provided with the sliding slot being adapted to the sliding shoe.

The utility model has the advantage that：Moving contact is integrally formed with button, convenient for assembling, while electric conductivity It is good；Spring eye is set by button bottom, both on the same axis setting spring base in cavity bottom, and is located at button Main happen, while the volume of key switch is further contracted is blocked in center so as to eliminate when button out of plumb resets It is small；Button drives crochet hook movement, and crochet hook collides during the motion with confined planes, makes a sound simultaneously rhythmist, makes There is certain perception in used time, it is known that the performance of button switch is intact, while limiting groove is set on confined planes, and limiting is recessed Slot sets limit protrusion, and key switch is enable to keep corresponding state；And by upper cover latch and fixing groove and fixing groove Back-off cooperation the phenomenon that making the close snapping of upper cover, pedestal, being not in loose or dislocation, the limited post of rectangle cavity corner with The stability for greatly enhancing key switch of the convex block cooperation of button side wall lower ends.

Description of the drawings

Fig. 1 is the decomposition diagram of the utility model；

Fig. 2 is the structure diagram of the pedestal of the utility model；

Fig. 3 is the front view of the button of the utility model；

Fig. 4 is the rearview of the button of the utility model；

Fig. 5 is the scheme of installation of adjusting apparatus.

Specific embodiment

It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these embodiments.

As shown in Figures 1 to 4, a kind of Novel key switch including pedestal 1, static contact 2, movable contact spring 3, button 4, resets Spring 5, crochet hook 6 and upper cover 7 are provided with cavity 8 in the pedestal 1, be both provided in the opposite two side walls of the pedestal 1 with The slot 10 that cavity 8 connects, the static contact 2 are separately fixed at 10 in two side slots, and the button 4 is located at 8 top of cavity, institute It states movable contact spring 3 to be provided with two panels and be symmetrically mounted on 4 both sides of button and with static contact 2 coordinate, 8 bottom surface of cavity is provided with bullet Spring abutment 11,4 bottom of button are provided with spring eye 12, and described 5 one end of resetting spring is placed on the spring base 11, another End be positioned in the spring eye 12, the crochet hook 6 between two panels movable contact spring 3 and pass through the resetting spring 5 with it is described Button 4 connects.Meanwhile the cavity 8 sets rectangular, four corners of the rectangle cavity 8 are both provided with limited post 16, The lower end of the button 4 is provided with the boss 17 coordinated with the limited post 16, in pressing keys 4,4 double swerve width of button Smaller, key switching structure are stablized, and work is more stablized.In addition, by using said program, static contact 2 can be provided with 3 Right, and using being symmetrical arranged, during using installation, without carrying out direction discernment, movable contact spring 3 is integrally formed with button 4, raising work Efficiency increases energization area, improves energization performance, is powered and more stablizes；Spring eye is set by 4 bottom of button simultaneously 12,8 bottom of cavity setting spring base 11, both on the same axis, and positioned at the center of button 4, so as to eliminate button 4 Card is main when out of plumb resets happens, but also the volume of key switch further reduces, and crochet hook 6 can open button Pass, which can be applicable in some, to be needed to keep on the circuit of corresponding state.

Fixing groove 13 is both provided on the lateral surface of 1 other two symmetrical side of pedestal, is respectively provided in the fixing groove 13 There is symmetrical back-off 14, corresponding buckle 15 is provided in the upper cover 7, the upper cover 7 is fastened with pedestal 1, makes upper cover 7 With 1 close snapping of pedestal, the phenomenon that being not in loose or dislocation, product is more beautiful.

The spring base 11 includes two symmetrically arranged fasteners 111, and 8 bottom of cavity is provided with crochet hook seat 18, institute Stating has opening 19 on crochet hook seat 18, described 6 one end of crochet hook makes resetting spring 5 across 19 to two fasteners 111 of the opening When pushing deformation, driving the motion range of 6 one end of crochet hook, the position of crochet hook 6 is fixed between two fasteners 111.

Confined planes 20 are provided on the button 4, limiting groove 21, the limiting groove are provided on the confined planes 20 Fixed lobe 22 is provided on 21, described 6 one end of crochet hook engages or disengages with the fixed lobe 22.

By using said program so that in pressing keys 4, crochet hook 6 is driven to move, crochet hook 6 is in the confined planes 20 of button 4 Upper movement can make a sound simultaneously rhythmist, we have certain perception when in use in this way, it is known that the performance of key switch It is intact, while crochet hook 6 moves to the point position coordinated with fixed lobe 22, unclamps button 4, fixed lobe 22 and 6 shape of crochet hook Into interlocking, resetting spring 3 is in compressive state, again pressing keys 4, and interlocking is opened, and resetting spring 3 resets, and circuit disconnects, hook Needle 6 is acted on by fixed lobe 13, and key switch provided by the utility model is made, which to be applicable in some, to be needed to keep corresponding state Circuit on structure it is simpler, easy to operate.

The pedestal 1 be provided on the side wall far from spring base 11 and with fixing groove 13 connect with the cavity 8 it is scarce Mouth 23, the bottom of the notch 23 is flushed with 8 bottom of cavity, and is provided with to extend in cavity 8 and be positioned admittedly for crochet hook 6 Fixed crochet hook locating slot 24, fastener 111 and fastener 112 are symmetricly set on the both sides of crochet hook locating slot 24, the opening 19 and institute It is coaxial to state crochet hook locating slot 24, so as to facilitate the fixed and positioned of crochet hook 6.

As shown in Figure 5, it is preferred that be set to that crochet hook 6 is made to be maintained at crochet hook locating slot in the crochet hook locating slot 24 The adjusting apparatus 25 in 24 centre positions；The adjusting apparatus 25 includes the adjustment plate 251 of a pair of and crochet hook 6 contact, is located at The adjustment spring 252 connecting in the corresponding adjustment plate 251 and with the cell wall of the crochet hook locating slot 24, the adjustment plate 251 Bottom be provided with sliding shoe 253, the sliding slot 254 being adapted to the sliding shoe 253 is provided in the crochet hook locating slot 24.This In embodiment, by adjusting the effect of device 25, crochet hook 6 is made to be maintained at 24 centre position of crochet hook locating slot so that entire button Switch is more smooth when pressing, and key switching structure is stablized, and work is more stablized, and it is inclined due to unbalance stress to avoid crochet hook 6 24 centre position of off-hook needle locating slot and the generation for this phenomenon for causing key switching structure unstable.

In conclusion the structure of the utility model is simpler and beautiful, work is more stablized, the service life is more long, and energy Being useful in some needs to keep in the circuit of corresponding state.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (8)

1. a kind of Novel key switch, including pedestal (1), static contact (2), movable contact spring (3), button（4）, resetting spring（5）, hook Needle（6）And upper cover（7）, it is characterised in that：Cavity is provided in the pedestal (1)（8）, described (1) two symmetrical side of pedestal It is both provided in wall and the cavity（8）The slot of connection（10）, the static contact (2) is inserted into slot（10）It is interior, button（4） Positioned at the cavity（8）Interior, the movable contact spring (3) is provided with two panels and is symmetrically mounted on button（4）On two sides and and stationary contact Piece (2) coordinates, and the movable contact spring 3 is integrally formed with button 4；The cavity（8）Bottom surface is provided with spring base（11）, the button （4）Bottom is provided with spring eye（12）, the resetting spring（5）One end is positioned over spring base（11）On, the other end is set to bullet Spring hole（12）It is interior, the crochet hook（6）Between two panels movable contact spring (3) and pass through the resetting spring（5）With the button（4） Connection；The cavity（8）Rectangular, the rectangle cavity is set（8）Four corners be both provided with limited post（16）, it is described Button（4）Lower end be provided with and the limited post（16）The boss of cooperation（17）.

2. Novel key switch according to claim 1, it is characterised in that：Outside pedestal (1) other two symmetrical side Fixing groove is both provided on side（13）, the fixing groove（13）Inside it is both provided with symmetrical back-off（14）, the upper cover（7）On It is provided with corresponding buckle（15）, the upper cover（7）It is fastened with pedestal (1).

3. Novel key switch according to claim 1, it is characterised in that：The spring base（11）It is symmetrically set including two The fastener put（111）, the cavity（8）Bottom is provided with crochet hook seat（18）, the crochet hook seat（18）On have opening（19）, it is described Crochet hook（6）One end passes through the opening（19）To two fasteners（111）Between.

4. Novel key switch according to claim 1, it is characterised in that：The button（4）On be provided with confined planes （20）, the confined planes（20）On be provided with limiting groove（21）, the limiting groove（21）On be provided with fixed lobe（22）, The crochet hook（6）One end and the fixed lobe（22）Engaging disengages.

5. Novel key switch according to claim 3, it is characterised in that：The pedestal (1) is far from spring base（11）And With fixing groove（13）Side wall on be provided with and the cavity（8）The notch of connection（23）.

6. Novel key switch according to claim 5, it is characterised in that：The notch（23）Bottom and the cavity （8）Bottom flushes, and is provided with and extends to cavity（8）It is interior to be used for crochet hook（6）Position fixed crochet hook locating slot（24）.

7. Novel key switch according to claim 6, it is characterised in that：Described two fasteners（111）It is symmetricly set on Crochet hook locating slot（24）Both sides, the opening（19）With the crochet hook locating slot（24）Coaxially.

8. Novel key switch according to claim 6, it is characterised in that：The crochet hook locating slot（24）In be set to use In making crochet hook（6）It is maintained at crochet hook locating slot（24）The adjusting apparatus in centre position（25）；The adjusting apparatus（25）Including one Pair and the crochet hook（6）The adjustment plate of contact（251）, be located at the corresponding adjustment plate（251）It is upper and with the crochet hook locating slot （24）Cell wall connection adjustment spring（252）, the adjustment plate（251）Bottom be provided with sliding shoe（253）, the crochet hook Locating slot（24）In be provided with and the sliding shoe（253）The sliding slot of adaptation（254）.