CN205582785U - Button switch - Google Patents

Abstract

The utility model discloses a button switch, including button cap, button, switch frame, switch, switch base. Button cap detains the top at the button, switch frame cover is in outside of button the latter half, the button contacts with the switch, disconnection, closure that the button comes the control switch terminal through upper and lower motion in the switch frame. Button cap is square structure, button cap's lower extreme be equipped with with the looks adaptation pit that open side down of pressing the button. Button cap's top design becomes to accord with human engineering's recessed cambered surface, four minutes at button cap's top do not design into downwardly extending's cambered surface. Be equipped with the breach on the corner of button cap bottom. Button cap has played fine protection to the button, has prolonged the life -span of button, this button cap can dismantle, the dirt of dispelling of the button switch's of being convenient for cleanness, and four corners that are equipped with the slow circular recess of circle, top in the middle of this button cap's the top have radian, the pleasing to the eye custom of pressing that is fit for the finger again promptly.

Description

A kind of press button

Technical field

This utility model relates to switchgear technical field, particularly relates to a kind of press button.

Background technology

Press button refers to utilize button to promote drive mechanism, makes movable contact and stationary contact be driven and be realized the switch that circuit is connected by on-off.Press button is a kind of simple in construction, applies quite varied master control electrical apparatus.In electric automatic control circuit, for manually sending control signal with control contactor, relay, electromagnetic starter etc..

But, there is problems with or deficiency in existing press button:

(1) button of existing press button is pressed uncomfortable；Additionally, the unprotected measure of button, time length surface is used easily to wear and tear；It is stressed for a long time or the most damaged by unexpected impact force；The top of press button is the most dirty, remove spot time, may trigger switch, removing the most thorough.

(2) the switch housing of existing press button uses the open by design that upper and lower position is engaged mutually, this design is suitable in press button assembling process the conventional custom assembled from top to bottom, and switch housing uses mode for dispensing glue to be combined with base, but so, switch housing by outside pressure or for a long time by the elastic force of contained spring be easily deformed impaired, get loose.

(3) existing press button is when being welded on pcb board, because cannot fix, easily misplaces, and is unfavorable for the upper stannum of press button；And press button is the most firm when being soldered on pcb board.

(4) hardware terminal of existing press button uses mode for dispensing glue to be arranged in switch pedestal, installs inconvenience, and colloid easily gets loose.

(5) existing press button is not felt immediately when button is pressed or upsprings, sound is sent out " vexed ", and user cannot experience sense of rhythm when press button is pressed, it is impossible to meets the requirement of sense of user.

Utility model content

For the deficiencies in the prior art, the utility model proposes a kind of press button, (1) this press button is provided with the detachable button cap that end face is round and smooth, solves existing button and presses uncomfortable, the problem that button easily weares and teares；(2) the switch housing of this press button uses injecting glue one-body molded, and is fixed in switch pedestal by button bit and fixed angles so that switch housing is more solid, firm；(3) switch pedestal of this press button fixes post with base so that switch pedestal band is firm when combining with pcb board, it is simple to stannum on press button；(4) hardware terminal is arranged in switch pedestal by this press button by terminal plastic housing so that when hardware terminal combines with switch pedestal, it is not necessary to some glue, easy for installation, more firm；(5) being provided with torsion spring inside this press button, when button motion, torsion spring produces torsion and makes press button produce feeling immediately and clear and melodious sound of moment, and user can well experience the sense of rhythm of press button.

To achieve these goals, technical solutions of the utility model are as follows:

A kind of press button, including button cap, button, switch housing, switch, switch pedestal.Switch terminal, switch housing are separately mounted in switch pedestal；Switch terminal is positioned at switch housing.Button cap is buckled in the top of button by button bit；Button cap is used for protecting button；Outside the outside of switch outer frame set half part under the button；Button contacts with switch, and button controls the disconnection of switch terminal, Guan Bi by upper and lower motion in switch housing.Button cap is square structure；The lower end of button cap is provided with the pit suitable with button, and this pit Open Side Down.The top design of button cap becomes to meet the lower cancave cambered surface of human engineering；Four angles at the top of button cap are respectively designed to the cambered surface downwardly extended.

Further, switch housing is suitable with button；Switch housing injecting glue is one-body molded.This switch housing is the tubular structure suitable with button, and the upper and lower of this switch housing has hole；The upper shed of switch housing is provided with the card edge extended internally, and card is along for limiting the scope that button moves upward.Switch housing is respectively equipped with box on two relative sidewalls, and this box is near the bottom of switch housing；Switch pedestal is provided with the outwardly pin thread suitable with box on two relative sides；Pin thread is stuck in box.The lower section of box is provided with fixing foot, and this fixing foot is rectangle；The edge of switch pedestal is provided with the fixing foot groove suitable with fixing foot；Fixing foot is stuck in fixing foot groove.

Further, on the ground of switch pedestal, injecting glue in conjunction forms base and fixes post, and this base fixes post for switch pedestal is fixed on pcb board.Base is fixed post and is comprised cylinder, stigma.Cylinder is cylindric；Stigma is spherical shape.Stigma is positioned at the lower end of cylinder, and the upper end of cylinder connects with switch pedestal, and the diameter of stigma is more than the diameter of cylinder.Stigma, cylinder are split into two halves along the gap in column axis direction by one so that base is fixed post and had elasticity.

Further, switch terminal comprises terminal plastic housing, hardware terminal, contact flat spring.Contact flat spring is lamellar, and contact flat spring is arranged on hardware terminal.Terminal plastic housing is suitable with hardware terminal.The top half of hardware terminal is wrapped in terminal plastic housing.Switch pedestal is provided with the hole suitable with terminal plastic housing, and the bottom of terminal plastic housing is arranged in this hole.

Further, press button also includes torsion spring.Button, switch housing sidewall on be respectively equipped with a torsion spring torque arm end insert hole；Torsion spring is between the sidewall of button and switch housing.When button is pressed or upsprings, two torque arm relative motioies of torsion spring；At the extreme position of button with switch housing, torsion spring produces torsion so that button produces the sense that pauses.

Further, the upper end of button is provided with for limiting the spacing of button down range of movement；This spacing bottom surface with button cap contacts；And the edge flush of the bottom surface of this spacing edge and button cap.The angle of button cap bottom surface is provided with breach, and this breach is used for facilitating button cap to take off from button.

Further, hardware terminal comprises the first hardware terminal, the second hardware terminal；First hardware terminal, that the second hardware terminal is respectively adopted hardware stamping technique is one-body molded；First hardware terminal, the second hardware terminal have a crossbeam respectively；The crossbeam of the first hardware terminal is positioned at the side on the top of the first hardware terminal, and the crossbeam of the second hardware terminal is positioned at the side in the second hardware terminal centre position；First hardware terminal, the top half of the second hardware terminal are wrapped in terminal plastic housing respectively.The crossbeam of the first hardware terminal, the second hardware terminal crossbeam the most exposed on the first side of terminal plastic housing；The upper end riveted of contact flat spring is on the crossbeam of the first hardware terminal；The lower end of contact flat spring is provided with two parallel shell fragments.When button is pressed, the crossbeam of two shell fragments and the second hardware terminal contacts；When button is upspring, two shell fragments separate mutually with the crossbeam of the second hardware terminal.

Further, on the second side of terminal plastic housing, injecting glue molding in conjunction is provided with one for the clamp fixing terminal plastic housing.Clamp one end connects with terminal plastic housing, and the other end tilts.Clamp has elasticity.Clamp is stuck in the top of switch pedestal, makes terminal plastic housing be fixed in switch pedestal.

Further, press button also includes spring.Spring is arranged between button and switch pedestal, and spring is used for making button automatically reset.The cross-sectional diameter of spring tapers into from top to bottom.

Further, button comprises button body, button body top cover.Button body top cover is positioned at the groove of button cap, and button body is arranged on the inside of switch housing.Button body top cover is buckled in the top of button body by button bit.

Further, the direction that the sidewall of the latter half of button body moves along button body is provided with guide chute；Correspondingly, the inside of switch housing is provided with the guide slide suitable with guide chute；Guide slide is positioned at guide chute.

Further, press button also includes indicator light circuit plate.The position injecting glue in conjunction of the above centre of switch pedestal forms indicator light circuit plate base.Indicator light circuit plate is arranged on indicator light circuit plate base.Button body is the tubular structure of upper and lower opening, and indicator light circuit plate is positioned at inside button body.Button body top cover is white, and button cap is that transparent material is made.

The beneficial effects of the utility model:

(1) button top of this press button is provided with button cap, button serves well protection, extends the life-span of button；This button cap is detachable, it is simple to the cleaning of press button is dispelled dirt；And the crown center of this button cap be designed to comply with the lower cancave cambered surface of human engineering, four of top be designed to the cambered surface that downwardly extends, the pressing custom being suitable for again finger the most attractive in appearance.

(2) the switch housing of this press button uses injecting glue one-body molded so that switch housing is more solid；This switch housing and switch pedestal use button bit design to combine, and fixing by fixing foot and switch pedestal so that switch housing easily install with switch pedestal and dismantle, more firm.

(3) switch pedestal of this press button fixes post with base so that switch pedestal band is firm when combining with pcb board, it is simple to stannum on press button.

(4) hardware terminal is arranged in switch pedestal by this press button by terminal plastic housing so that when hardware terminal combines with switch pedestal, it is not necessary to some glue, easy for installation, more firm.

(5) being provided with torsion spring inside this press button, when button motion, torsion spring produces torsion and makes press button produce feeling immediately and clear and melodious sound of moment, improves Consumer's Experience, and user can well experience the sense of rhythm of press button.

Accompanying drawing explanation

Fig. 1 is perspective view of the present utility model.

Fig. 2 is STRUCTURE DECOMPOSITION schematic diagram of the present utility model.

Fig. 3 is the perspective view of button cap in this utility model.

Fig. 4 is the STRUCTURE DECOMPOSITION schematic diagram of button in this utility model.

Fig. 5 is the perspective view of this utility model breaker in middle housing.

Fig. 6 is the forward sight perspective view of this utility model breaker in middle terminal.

Fig. 7 is the rear perspective structural representation of this utility model breaker in middle terminal.

Fig. 8 is the perspective view of hardware terminal in this utility model breaker in middle terminal.

Fig. 9 is the perspective view of this utility model breaker in middle base.

Figure 10 is the top plan view structural representation of indicator light circuit plate in this utility model.

Figure 11 is the side-looking planar structure schematic diagram of indicator light circuit plate in this utility model.

Wherein, the reference of Fig. 1～Figure 11 is: button cap 1, button 2, switch housing 3, switch terminal 4, switch pedestal 5, indicator light circuit plate 6, spring 7, torsion spring 8；Lower cancave cambered surface 11, breach 12；Button body top cover 21, button body 22, box 211, spacing 212, pin thread 221, guide chute 222, torque arm end insert and fix post 224 on hole 223, spring；Box 31, fixing foot 32, card along 33, guide slide 34；Terminal plastic housing 41, hardware terminal 42, contact flat spring 43, clamp the 411, first hardware terminal the 421, second hardware terminal 422, shell fragment 431；Pin thread 51, hole 52, base are fixed and are fixed post 54, indicator light circuit plate base 55, fixing foot groove 56, cylinder 531, stigma 532 under post 53, spring；First LED the 611, second LED 612, first LED pin the 621, second LED pin the 622, the 3rd LED pin 623.

Detailed description of the invention

Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.

As shown in Fig. 1～Fig. 2, a kind of press button, including button cap 1, button 2, switch housing 3, switch terminal 4, switch pedestal 5.Button cap 1 is arranged on the top of button 2；Switch housing 3 is enclosed within the outside of button 2 the latter half；Switch terminal 4 is arranged in switch pedestal 5, and switch terminal 4 is positioned at the inside of switch housing 3；Button 2 contacts with switch terminal 4, and button 2 controls the disconnection of switch terminal 4, Guan Bi by upper and lower motion in switch housing 3；Switch housing 3 is arranged in switch pedestal 5.

Button cap 1 is used for decorating and protect button 2；Button 2 is for controlling Guan Bi or the disconnection of switch terminal 4；Switch housing 3 is for protecting the internals of press button；Switch terminal 4 is for the on or off of control circuit；Switch pedestal 5 for being fixed on pcb board and carry the internals of press button by press button.

As it is shown on figure 3, button cap 1 is square.Button cap 1 uses transparent and smooth plastic material to make.Being accustomed to be suitable for the pressing of finger, the top design of button cap 1 becomes round and smooth structure, and specifically, the centre at button cap 1 top is provided with smooth lower cancave cambered surface 11, and lower cancave cambered surface 11 uses ergonomic designs to adapt with the finger of people；Four angles at the top of button cap 1 are respectively equipped with the cambered surface downwardly extended so that the edge of lower cancave cambered surface 11 is higher than four angles at button cap 1 top, to eliminate the fin sense of button cap 1 corner.Additionally, the design of the round and smooth structure in button cap 1 top, facilitate the spot on user wiping button cap 1, it is to avoid the problem that button cap 1 corner not easy-clear is clean.

The sidewall of button cap 1 is provided with pin thread；This pin thread (not demonstrating in figure) is positioned at the groove of button cap 1；The sidewall of button 2 is provided with box 211(as shown in Figure 4), this box 211 is located close to the position at button 2 top.Pin thread on button cap 1 is suitable with the box 211 on button 2, and button cap 1 is buckled in the top of button 2.The upper end of button 2 be provided with for limit button 2 range of movement spacing 212；This spacing 212 contacts with the bottom surface of button cap 1；And the edge flush of the bottom surface of this edge of spacing 212 and button cap 1；The angle of the bottom surface of button cap 1 is provided with breach 12, and this breach is for facilitating the hand disassembly of button cap 1, and button cap 1 just can be removed from button 2 by user without using instrument.Owing to the top of button 2 is often by the effect of external pressure or by unexpected impact force, therefore the top of button 2 is easy to damage or the switch mark pattern at button 2 top is easy to abrasion.Button cap 1 can well protect the top of button 2, and button cap 1 use time length impaired after can change, extend the service life of button, reduce the replacement frequency of press button, saved the use cost of press button.

As it is shown in figure 5, switch housing 3 is square tubular structure, switch the upper and lower of housing 3 has hole.Switch housing 3 uses injecting glue one-body molded.Together with switch housing 3 and switch pedestal 5 are interlocked by button bit.Specifically, switch housing 3 is respectively equipped with box 31 on two opposed sidewalls, the box 31 position bottom switch housing 3；In like manner, switch pedestal 5 is provided with and switchs the suitable outwardly pin thread 51(of the box on housing 3 as shown in Figure 9 on two opposed sidewalls), switch housing 3 is combined by pin thread 51 and box 31 with switch pedestal 5.Button bit formula is used to combine so that switch housing 3 is easy to mutually assemble with switch pedestal 5, and is difficult to each other get loose.Each box 31 be respectively arranged below with fixing foot 32, each fixing foot 32 be positioned at switch housing 3 bottom edge, the rectangle that each fixing foot 32 structure is identical, and the length of fixing foot 32 less than switch housing 3 bottom the length of side.Correspondingly, the edge of switch pedestal 5 is provided with the fixing foot groove 56 suitable with fixing foot 32.When switching housing 3 and being interlocked with switch pedestal 5, fixing foot 32 is stuck in fixing foot groove 56 so that switch housing 3 is difficult to get loose under the effect of internal force.

As shown in Figure 4, button 2 is suitable with switch housing 3.Button 2 comprises button body 22, button body top cover 21, and button body top cover 21 is that the plastic material of white is made.Button body top cover 21 is positioned at the groove of button cap 1, and button body 22 is arranged on the inside of switch housing 3.The upper shed of switch housing 3 is provided with the card extended internally along 33, blocks along 33 for blocking the latter half of button body 22, limits the scope that button 2 moves upward.Box 211 is positioned on button body top cover 21.Button body 22 sidewall is provided with pin thread 221 near the position at top, and pin thread 221 is stuck in box 211 inside button body top cover 21, is buckled in the top of button body 22 by button bit, and the external diameter of button body top cover 21 is more than blocking the internal diameter along 33.The sidewall of the latter half of button body 22 is provided with guide chute 222 along the direction that button body 22 is moved；Correspondingly, the inside of switch housing 3 is provided with the guide slide 34(suitable with guide chute 222 as shown in Figure 5)；Guide slide 34 is positioned at guide chute 222.Button press 2 when, guide chute 222 interacts with guide slide 34 so that button body 22 does not occur crooked dislocation inside switch housing 3, so that switch housing 3 uniform force, is hardly damaged.

As it is shown in figure 9, the bottom of switch pedestal 5 is provided with 4 identical bases of structure fixes post 53, it is one-body molded with switch pedestal 5 injecting glue respectively that each base fixes post 53.Each base is fixed post 53 and is separately positioned on four corners bottom switch pedestal 5.The shape that each base fixes post 53 is identical.Base is fixed post 53 and is comprised cylinder 531, stigma 532.Cylinder 531 is cylindric；Stigma 532 is spherical shape.Stigma 532 is positioned at the top of cylinder 531, and the diameter of stigma 532 is more than the diameter of cylinder 531.Stigma 532, cylinder 531 are split into two halves along the gap of cylinder 531 axis direction by one, so that cylinder 531, stigma 532 have the elasticity of interior external extension.When press button combines with outside pcb board, pcb board is arranged and fixes, with base, the hole that post 53 is suitable；By external force, stigma 532 being inserted pcb board stool hole, two hemisphere of stigma 532 mutually shrink；After hole, two hemisphere of stigma 532 open, and cylinder 531 is stuck in the hole of pcb board by stigma 532, thus is fixed on pcb board by press button.Base is fixed post 53 and is solved and loosen the problem being difficult to upper stannum when press button combines with pcb board.

As shown in Figure 6 to 8, switch terminal 4 comprises terminal plastic housing 41, hardware terminal 42, contact flat spring 43.Switch terminal 4 is positioned at the inside of switch housing 3, and is arranged in switch pedestal 5.Terminal plastic housing 41 uses plastic cement one-body molded, and terminal plastic housing 41 is suitable with hardware terminal 42, and terminal plastic housing 41 is for being fixed on switch pedestal 5 by hardware terminal 42.Hardware terminal 42 comprises first hardware terminal the 421, second hardware terminal 422；It is one-body molded that first hardware terminal the 421, second hardware terminal 422 is respectively adopted hardware stamping technique；First hardware terminal the 421, second hardware terminal 422 has a crossbeam respectively；The crossbeam of the first hardware terminal 421 is positioned at the side on the top of the first hardware terminal 421, and the crossbeam of the second hardware terminal 422 is positioned at the side in the second hardware terminal 422 centre position；The crossbeam of the first hardware terminal 421 and the crossbeam of the second hardware terminal 422 are upper and lower parallel on locus.Terminal plastic housing 41 employing is buried mould moulding process and the top half of first hardware terminal the 421, second hardware terminal 422 is wrapped up, and the crossbeam of first hardware terminal the 421, second hardware terminal 422 is the most exposed on a side of terminal plastic housing 41；Switch pedestal 5 is provided with the hole 52 suitable with terminal plastic housing 41, and terminal plastic housing 41 inserts in this hole 52 from the bottom of switch pedestal 5, makes the latter half of first hardware terminal the 421, second hardware terminal 422 be exposed at the bottom of switch pedestal 5.On another side of terminal plastic housing 41, injecting glue molding in conjunction is provided with one for the clamp 411 fixing terminal plastic housing 41.Clamp 411 one end connects with terminal plastic housing 41, and the other end tilts.Clamp 411 has elasticity.Clamp 411 is stuck in the top of switch pedestal 5, makes terminal plastic housing 41 fix.When clamp 411 is pressed, switch terminal 4 can be extracted from switch pedestal 5.By terminal plastic housing 41, hardware terminal 42 is fixed in switch pedestal 5, instead of tradition dispensing technology, make the noise that the hardware terminal 42 in switch pedestal 5 more firmly, is easily installed and decreased in circuit.The interposition of the crossbeam of the first hardware terminal 421 is equipped with two circular riveted points.Contact flat spring 43 is laminated structure, and there are two holes suitable with the riveted point on the first hardware terminal 421 crossbeam the upper end of contact flat spring 43, and the upper end riveted of contact flat spring 43 is on the crossbeam of the first hardware terminal 421.The lower end of contact flat spring 43 is provided with two parallel shell fragments 431.When button 2 is pressed when, button 2 extrudes two shell fragments 431 of contact flat spring 43, makes two shell fragments 431 contact with the crossbeam of the second hardware terminal 422, the circuit turn-on controlled；When button 2 is upspring when, two shell fragments 431 of contact flat spring 43 flick, and are separated with the crossbeam of the second hardware terminal 422, and the circuit controlled disconnects.

As shown in Fig. 2, Figure 10, Figure 11, press button also includes indicator light circuit plate 6, switch terminal 4 state of the circuit that indicator light circuit plate 6 is controlled for the Show Button switch.Indicator light circuit plate 6 comprises LED and LED pin.Indicator light circuit plate 6 is arranged in switch pedestal 5.Specifically, the position injecting glue in conjunction of the above centre of switch pedestal 5 forms indicator light circuit plate base 55(as shown in Figure 9), indicator light circuit plate base 55 is cube structure.Indicator light circuit plate 6 is arranged on indicator light circuit plate base 55.Button body 22 is the tubular structure of upper and lower opening, and it is internal that indicator light circuit plate 6 is positioned at button body 22.

Specifically, LED comprises first LED the 611, second LED 612；LED pin comprises first LED pin the 621, second LED pin the 622, the 3rd LED pin 623.First LED pin 621 the first end with first LED the 611, second LED 612 respectively is connected.Second LED pin 622 is connected with the second end of the first LED 611.3rd LED pin 623 is connected with the second end of the second LED 612.

Indicator light circuit plate base 55 centre position is provided with 3 holes suitable with first LED pin the 621, second LED pin the 622, the 3rd LED pin 623 respectively, first LED pin the 621, second LED pin the 622, the 3rd LED pin 623 is each passed through respective hole, and is welded on the pcb board of outside.By wire jumper on outside pcb board so that the first LED 611 or the second LED 612 and outside are by the electrical connection of control circuit.When button 2 is pressed, the circuit turn-on that press button is controlled, LED on indicator light circuit plate 6 is luminous, because button body top cover 21 is white and button cap 1 is transparent material as previously mentioned, so LED issued light can pass through button body top cover 21 and button cap 1.In order to indicate the effect of each press button and facilitate which press button of user identification in work, the LED on each press button may select different colors.

As in figure 2 it is shown, press button also includes spring 7.Spring 7 is arranged between button 2 and switch pedestal 5, and spring 7 automatically resets for button 2.Specifically, button 2 is provided with on spring fixes post 224(as shown in Figure 4), switch pedestal 5 is provided with under spring fixes post 54(as shown in Figure 9)；The upper and lower port of spring 7 is respectively fitted on spring to fix and fixes on post 54 under post 224, spring.Spring 7 uses the taper type design the most gradually broadened so that spring 7 is entirety uniform force when shrinking, and can effectively solve deformation and distortion that spring 7 causes due to retraction stroke length, improve the service life of spring 7.It is preferred that spring 7 comprises two the first identical springs of structure, the second springs.First spring, the second spring lay respectively on 2 two opposed sidewalls of button so that button 2 is stress balance when switching housing 3 internal motion.

As in figure 2 it is shown, press button also includes torsion spring 8.The outside of button 2 sidewall is provided with a circular torque arm end and inserts hole 223.The inner side of switch housing 3 sidewall is provided with one and inserts hole 223(as shown in Figure 4 with the torque arm end on button 2) corresponding torque arm end inserts hole (the torque arm end insertion hole on switch housing 3 does not the most demonstrate).Torsion spring 8 is between the sidewall of button 2 and switch housing 3.The relative position of two torque arm of torsion spring 8 is at an acute angle；When button 2 is pressed or upsprings, two torque arm relative motioies of torsion spring 8.Torsion spring 8 is pressed along with button 2 or upsprings and swing generation torsion, because the relation of moment of torsion makes press button produce the paragraph sense (or claiming to feel immediately) of moment and clear and melodious sound, allows user preferably feel the sense of rhythm of press button.

Above-described is only preferred implementation of the present utility model, and this utility model is not limited to above example.Other being appreciated that those skilled in the art directly derive on the premise of without departing from basic conception of the present utility model or associate improves and within change is all considered as being included in protection domain of the present utility model.

Claims (7)

1. a press button, including switch housing (3), switch terminal (4), switch pedestal (5)；Described switch terminal (4), switch housing (3) are separately mounted in described switch pedestal (5)；Described switch terminal (4) is positioned at described switch housing (3)；It is characterized in that:

Also include button cap (1), button (2)；

Described button cap (1) is used for protecting described button (2)；

Described button cap (1) is buckled in the top of described button (2)；

Described switch housing (3) is enclosed within the outside of described button (2) the latter half；

Described button (2) controls the disconnection of described switch terminal (4), Guan Bi by upper and lower motion in switch housing (3)；

Described button cap (1) is square, and the lower end of described button cap (1) is provided with the pit suitable with described button (2), and described pit Open Side Down；

The top design of described button cap (1) becomes to meet the lower cancave cambered surface (11) of human engineering；Four angles at the top of described button cap (1) are respectively designed to the cambered surface downwardly extended.

Press button the most according to claim 1, it is characterised in that:

Described switch terminal (4) comprises hardware terminal (42), contact flat spring (43)；

Described contact flat spring (43) is arranged on described hardware terminal (42)；

Described switch terminal (4) also comprises terminal plastic housing (41)；

Described terminal plastic housing (41) is suitable with described hardware terminal (42)；The top half of described hardware terminal (42) is wrapped in described terminal plastic housing (41)；

Described switch pedestal (5) is provided with the hole (52) suitable with described terminal plastic housing (41)；

The bottom of described terminal plastic housing (41) is arranged in described hole (52).

Press button the most according to claim 1, it is characterised in that:

The upper end of described button (2) is provided with spacing (212) for limiting described button (2) downward range of motion；

Described spacing (212) contact with the bottom surface of described button cap (1)；And the edge flush of the bottom surface of the edge of described spacing (212) and described button cap (1)；

The angle of the bottom surface of described button cap (1) is provided with breach (12), and described breach (12) is used for facilitating button cap (1) to take off from button (2).

Press button the most according to claim 1, it is characterised in that:

Also include spring (7)；

Described spring (7) is arranged between described button (2) and described switch pedestal (5)；Described spring (7) is used for making described button (2) automatically reset；

The cross-sectional diameter of described spring (7) tapers into from top to bottom.

Press button the most according to claim 1, it is characterised in that:

Described button (2) comprises button body (22), button body top cover (21)；

Described button body top cover (21) is positioned at the groove of described button cap (1)；Described button body (22) is arranged on the inside of described switch housing (3)；Described button body top cover (21) is buckled in the top of described button body (22) by button bit.

Press button the most according to claim 5, it is characterised in that:

The sidewall of described button body (22) is provided with guide chute (222) along the direction that described button body (22) is moved；

Described guide chute (222) is positioned at the latter half of described button body (22)；

Correspondingly, the inside of described switch housing (3) is provided with the guide slide (34) suitable with described guide chute (222)；

Described guide slide (34) is positioned at described guide chute (222).

Press button the most according to claim 5, it is characterised in that:

Also include indicator light circuit plate (6)；

The above centre injecting glue in conjunction of described switch pedestal (5) forms indicator light circuit plate base (55)；

Described indicator light circuit plate (6) is arranged on described indicator light circuit plate base (55)；

Described button body (22) is the tubular structure of upper and lower opening, and it is internal that described indicator light circuit plate (6) is positioned at button body (22)；

Described button body top cover (21) is white；

Described button cap (1) is that transparent material is made.