CN1311489C

CN1311489C - Press-button switch

Info

Publication number: CN1311489C
Application number: CNB2004100418771A
Authority: CN
Inventors: 张圣波
Original assignee: Individual
Current assignee: Individual
Priority date: 2004-09-02
Filing date: 2004-09-02
Publication date: 2007-04-18
Anticipated expiration: 2024-09-02
Also published as: CN1598991A

Abstract

The present invention relates to a switch, particularly to a switch with two buttons. The present invention is realized by adopting the following technical proposals that a push switch comprises a switch push component and a switch changing bottom seat, wherein the switch push component comprises a switch box shell body, a switch button and a locking and unlocking mechanism; the switch changing bottom seat comprises a movable contact, a fixed contact, a reset spring, a bottom seat frame and a movable stand, wherein the fixed contact is arranged on the bottom of the bottom seat stand; the movable contact is arranged on the movable stand which is glidingly matched with the bottom seat stand; the reset spring is arranged between the movable stand and the bottom seat stand. The switch changing bottom seat and the switch button component are two independent integral components, and the switch box shell body in the switch button component is sheathed and matched with the switch changing bottom seat. Aftet the present invention adopts the technical proposals, the present invention provides a novel button switch which has the advantages of simple and compact structure, and convenient installation.

Description

A kind of push-button switch

Technical field

The present invention relates to a kind of switch, be meant a kind of switch with double push-buttons especially.

Technical background

At present, the kind of switch is a lot of on the market, and switch is come into huge numbers of families already, as switch on wall, its technology is quite ripe, all unusual perfections on outward appearance and performance, and push-button switch is mutually far short of what is expected by contrast, structure is not compact, also exist some defectives, at first, it is conjuncted that its shift knob assembly and switch switch base, it is loaded onto spring and directly is connected with the moving contact that switch switches in the base in the button lower end, in a single day such structure takes apart, and each part all is scattered out, so it is also extremely inconvenient when assembling, after switch breaks down, be difficult to maintenance and change parts especially; Secondly, switch switches at the end has a fixed contact to be connected all the time with moving contact, in off position down, another fixed contact separates with moving contact, when needs are connected,, make moving contact touch the fixed contact that separates with it by pressing the button the swing mechanism that drives on the moving contact, the push-button switch of this structure, when energized, be easy to generate misoperation, and the contact-making surface of moving contact and fixed contact is very little sometimes, can produce spark, influence the work of push-button switch.

Summary of the invention

The present invention has overcome the deficiency that prior art exists, and a kind of novel push-button switch simple in structure, compact, easy for installation is provided.

The present invention adopts following technical scheme to realize: a kind of push-button switch, include shift knob assembly and switch and switch base, wherein the shift knob assembly includes the switch enclosure housing, shift knob, the locking release mechanism, it is characterized in that: described switch switches base and includes moving contact, fixed contact, back-moving spring, holddown spring, pony sill and adjustable shelf, wherein fixed contact is arranged on the bottom of pony sill, moving contact is arranged on the adjustable shelf of joining with the pony sill cunning, and be positioned at the bottom face of its groove, be provided with holddown spring between the upper surface of moving contact and groove, back-moving spring is arranged between adjustable shelf and the pony sill, two ends at adjustable shelf are installed with positive stop lug boss, the corresponding with it side at pony sill is provided with stopper slot, adjustable shelf moves in stopper slot by positive stop lug boss, switch switches base and the shift knob assembly is two independently global facilities, switch enclosure housing in the shift knob assembly and switch switch the complete assembling of base and close, and the shift knob lower end cooperates with the adjustable shelf lifting that switch switches on the base.

The further setting of the present invention is: the fixed contact extended spot on the described pony sill is provided with wiring pile in addition, is provided with the heat radiation through hole on wiring pile top.

The further setting of the present invention is: described locking release mechanism is made up of the locking boss and the unlock button that are arranged on the support that fuses with switch case on the unlock button lengthwise position, locking slide plate, thrust spring, be arranged on the shift knob, its medium-height trestle is provided with chute that supplies the slippage of locking slide plate and the spring base that supplies the installed thrust spring, the unlock button lower end is set as the thrust inclined-plane, becomes the thrust inclined-plane to cooperate with the locking slide plate of locking in the release mechanism.

Described locking release mechanism by be arranged on sliding support, catch, the thrust spring in the switch enclosure housing, locking boss and the release button that is arranged on the shift knob formed, wherein be respectively equipped with spring base on sliding support and the switch enclosure housing for the installed thrust spring, correspondence position at the sliding support that cooperates with the locking boss is provided with positioning boss, catch is fixedly connected on the switch enclosure housing, and composition supplies the track of sliding support slip with it, the unlock button lower end is set as the thrust inclined-plane, becomes the thrust inclined-plane to cooperate with the sliding support of locking in the release mechanism.

Be provided with dop on switch switching base, corresponding is provided with bayonet socket on the shift knob assembly, makes the formation of shift knob assembly and switch switching base withhold suit and cooperates.

By switch switching base and shift knob assembly are being made as two independently global facilities, switch enclosure housing in the shift knob assembly and switch switch the complete assembling of base and close, it is very convenient that this structure is installed switch, when wherein a part breaks down, changes very convenient especially; By the moving contact in the switch switching base and the folding of fixed contact are adopted push type, institute is so that switch performances is more stable again.

Description of drawings

Fig. 1 is the structural representation of the embodiment of the invention;

Fig. 2 is that the switch of the embodiment of the invention switches the understructure schematic diagram;

Fig. 3 is that the switch of the embodiment of the invention switches the base side view;

Fig. 4 is the shift knob modular construction schematic diagram of an embodiment of the present invention;

Fig. 5 is the A-A cut-away view of Fig. 4;

Fig. 6 is the shift knob modular construction schematic diagram of the another kind of embodiment of the present invention;

Fig. 7 is the B-B cut-away view of Fig. 6;

Fig. 8 is an another kind of outline drawing of the present invention.

Embodiment

In conjunction with the accompanying drawings present embodiment is further described:

As Fig. 1, Fig. 2, Fig. 3, Fig. 4, shown in Figure 5, a kind of push-button switch, include shift knob assembly 1 and switch and switch base 2, wherein shift knob assembly 1 includes switch enclosure housing 11, shift knob 12, locking release mechanism 3, and they constitute an independently global facility; Switch switches base 2 and includes moving contact 21, fixed contact 22, back-moving spring 25, pony sill 23 and adjustable shelf 24, wherein fixed contact 22 is fixedly installed on the bottom of pony sill 23, back-moving spring 25 1 ends are arranged in the spring eye of adjustable shelf 24 bottoms, conflict in the interior bottom of the other end and pony sill 23, moving contact 21 is arranged on groove 241 bottom faces of adjustable shelf 24, be provided with holddown spring 242 between the upper surface of moving contact 21 and groove 241, moving contact 21 flexibly connects by holddown spring 242 and adjustable shelf 24; Certainly, in the present embodiment, moving contact 21 also can fixedly install with adjustable shelf 24; The upper surface of adjustable shelf 24 is connected with shift knob 12 lower surfaces, and cooperates with shift knob 12 liftings.Be installed with positive stop lug boss 243 at the two ends of adjustable shelf 24, the corresponding with it side at pony sill 23 is provided with stopper slot 232, adjustable shelf 24 moves in stopper slot 232 by positive stop lug boss 243, realize that it is integrative-structures that switch switches base 2, can certainly realize this spacing with other form, as earlier adjustable shelf 24 being set up, be fixed on the adjustable shelf 24 by the stopper slot 232 that locating piece is passed pony sill 23 sides again.For push-button switch operate as normal at high temperature, wiring pile 221 tops of fixed contact 22 extended spots of present embodiment on pony sill 23 are provided with heat radiation through hole 26.It is convenient to make switch enclosure housing 11 and switch switch base 2 suits, usually switch on the base 2 at switch and be provided with dop 28, the corresponding bayonet socket 19 that on shift knob assembly 1, is provided with, make 2 formation of shift knob assembly 1 and switch switching base withhold suit and cooperate, also can switch base 2 in the present embodiment certainly with screw floatless switch button assembly 1 and switch.Locking release mechanism 3 in the shift knob assembly 1 includes and is arranged on the support 31 that fuses with switch case 11 on unlock button 35 lengthwise positions, locking slide plate 32, thrust spring 33, be arranged on the locking boss 34 on the shift knob 12, unlock button 35 and release push-button reset spring 36 are formed, its medium-height trestle 31 is provided with chute that supplies 32 slippages of locking slide plate and the spring base 37 that supplies installed thrust spring 33, unlock button back-moving spring 36 is erected between support 31 and the unlock button 35, unlock button 35 lower ends are set as the thrust inclined-plane, with the 32 one-tenth thrust inclined-planes cooperations of locking slide plate in the locking release mechanism 3.Certainly the locking release mechanism 3 of present embodiment also can be another structure, as Fig. 6, shown in Figure 7, locking release mechanism 3 ' is by the sliding support 31 ' that is arranged in the switch enclosure housing 11 ', catch 37, thrust spring 33 ', be arranged on the locking boss 34 ' on the shift knob 12 ', unlock button 35 ' and release push-button reset spring 36 ' are formed, wherein be respectively equipped with spring base on sliding support 31 ' and the switch enclosure housing 11 ' for installed thrust spring 33 ', correspondence position at the sliding support 31 ' that cooperates with locking boss 34 ' is provided with positioning boss 311 ', catch 37 dismountable being connected on the switch enclosure housing 11 ', and composition supplies the track of sliding support 31 ' slip with it, unlock button back-moving spring 36 ' is erected between switch enclosure housing 11 ' and the unlock button 35 ', unlock button 35 ' lower end is set as the thrust inclined-plane, becomes the cooperation of thrust inclined-plane with the sliding support 31 ' of locking in the release mechanism 3 '.

Concrete operation principle: when needing to connect switch, at first shift knob 12 is pressed, making shift knob 12 drive adjustable shelf 24 moves down, after arriving to a certain degree, thereby the locking boss 34 that the locking slide plate 32 in the locking release mechanism 3 pins on the shift knob 12 makes moving contact 21 contact with fixed contact 22; When wanting cut-off switch, press the unlock button 35 in the locking release mechanism 3, shift knob 12 is resetted, at this moment adjustable shelf 24 also resets thereupon, and moving contact 21 is separated with fixed contact 22; Or when need connecting switch, at first shift knob 12 ' is pressed, making shift knob 12 ' drive adjustable shelf 24 moves down, after arriving to a certain degree, thereby the locking boss 34 ' that the sliding support 31 ' in the locking release mechanism 3 ' pins on the shift knob 12 ' makes moving contact 21 contact with fixed contact 22; When wanting cut-off switch, press the unlock button 35 ' in the locking release mechanism 3 ', shift knob 12 ' is resetted, at this moment adjustable shelf 24 also resets thereupon, and moving contact 21 is separated with fixed contact 22, finishes the work.

Claims

1, a kind of push-button switch, include shift knob assembly and switch and switch base, wherein the shift knob assembly includes the switch enclosure housing, shift knob, the locking release mechanism, it is characterized in that: described switch switches base and includes moving contact, fixed contact, back-moving spring, holddown spring, pony sill and adjustable shelf, wherein fixed contact is arranged on the bottom of pony sill, moving contact is arranged on the adjustable shelf of joining with the pony sill cunning, and be positioned at the bottom face of its groove, be provided with holddown spring between the upper surface of moving contact and groove, back-moving spring is arranged between adjustable shelf and the pony sill, two ends at adjustable shelf are installed with positive stop lug boss, the corresponding with it side at pony sill is provided with stopper slot, adjustable shelf moves in stopper slot by positive stop lug boss, switch switches base and the shift knob assembly is two independently global facilities, switch enclosure housing in the shift knob assembly and switch switch the complete assembling of base and close, and the shift knob lower end cooperates with the adjustable shelf lifting that switch switches on the base.

2, a kind of push switch according to claim 1 is characterized in that: the fixed contact extended spot on the described pony sill is provided with wiring pile in addition, is provided with the heat radiation through hole on wiring pile top.

3, a kind of push-button switch according to claim 1 and 2, it is characterized in that: described locking release mechanism is made up of the locking boss and the unlock button that are arranged on the support that fuses with switch case on the unlock button lengthwise position, locking slide plate, thrust spring, be arranged on the shift knob, its medium-height trestle is provided with chute that supplies the slippage of locking slide plate and the spring base that supplies the installed thrust spring, the unlock button lower end is set as the thrust inclined-plane, becomes the thrust inclined-plane to cooperate with the locking slide plate of locking in the release mechanism.

4, a kind of push-button switch according to claim 1 and 2, it is characterized in that: described locking release mechanism is by the sliding support that is arranged in the switch enclosure housing, catch, thrust spring, the locking boss and the release button that are arranged on the shift knob are formed, wherein be respectively equipped with spring base on sliding support and the switch enclosure housing for the installed thrust spring, correspondence position at the sliding support that cooperates with the locking boss is provided with positioning boss, catch is dismountable to be connected on the switch enclosure housing, and composition supplies the track of sliding support slip with it, the unlock button lower end is set as the thrust inclined-plane, becomes the thrust inclined-plane to cooperate with the sliding support of locking in the release mechanism.

5, a kind of push-button switch according to claim 1 and 2 is characterized in that: be provided with dop on switch switching base, corresponding is provided with bayonet socket on the shift knob assembly, makes the formation of shift knob assembly and switch switching base withhold suit and cooperates.

6, a kind of push-button switch according to claim 3 is characterized in that: be provided with dop on switch switching base, corresponding is provided with bayonet socket on the shift knob assembly, makes the formation of shift knob assembly and switch switching base withhold suit and cooperates.

7, a kind of push-button switch according to claim 4 is characterized in that: be provided with dop on switch switching base, corresponding is provided with bayonet socket on the shift knob assembly, makes the formation of shift knob assembly and switch switching base withhold suit and cooperates.