CN202150369U - Wall switch - Google Patents

Abstract

Provided is a wall switch. The oscillation of a lever (16) is spread to moving contacts (25) on a main shaft (26) through a small support (18), a slide block (17) and a connection shaft (29) to do opening and closing movement. A freely tripping device comprising a jumping latch (27) and a lock latch (28) can be arranged to cooperate with various tripping devices and detection circuits near the lock latch to possess protection functions of leakage of electricity, short circuit and overload, etc. An operating mechanism is arranged on one side of the switch center in such away that with a smaller standard household wall switch dimension, large enough load end wiring space and heat dissipation space can be provided to configure closing/ opening large load necessary devices, or a socket can be used to be an output apparatus, and enough space is provided to arrange testing buttons on a panel, inner testing circuits, indicating lamps, etc.; the wall switch is light, beautiful and convenient.

Description

Switch on wall

Technical field

The utility model relates to the switch on wall that uses in the building in the appliance field, particularly relates to the switch on wall that the family expenses heavy load has defencive functions such as overload, short circuit and electric leakage.

Background technology

The switch that uses in the building, for example switch on wall belongs to domestic type in a large number.

Switch on wall all the fashion is a kind of switch of moving seesaw-type on the market now, and this switch is elegant in appearance, meets very much modern's household aesthetic standards.But the switch on wall of present this moving seesaw-type is the rocker switch of very simple two settling positions of a kind of structure, and it has only the function of connection and branch deenergizing, only can be used for the occasion of smaller power, and does not possess trip free and various defencive function.Also has a kind of switch that is called lever operated type; During closing operation; Pull handle and make it to rotate a bigger angle, drive blocking mechanism by connecting rod simultaneously and make briquetting can drive the moving contact closure, require handle to forward certain position to; Its inner connecting rod is crossed dead point and self-locking, and moving contact is remained on the closed position.During the switch separating brake, manually with under the handle wrench, go back to dead point more, briquetting and moving contact be resilience under the effect of its reaction spring respectively, the switch separating brake.This switch mainly relies on the turning handle operation, and handle need rotate a very big angle, relies on the continuous rotation of handle to make the contact system of switch obtain the enough clearance between open contacts and the excess of stroke, and makes linkage can cross the dead point self-locking; This angle is about 100 degree generally speaking.And this switch is because profile is very large, and operating grip and monnolithic case are all not attractive in appearance, do not meet modern's household aesthetic standards.In addition, lever operated type switch is because the problem of structure is difficult to realize the operation of moving seesaw-type, because the angle that its rotates when operation is very big, and the rotational angle when utilizing the seesaw operation has only about 15 degree.And the contact system that wane type switch can not rely on continuous seesaw to move makes switch obtains the enough clearance between open contacts and the excess of stroke.On the other hand, this kind moving seesaw-type switch on wall also is because the problem of structure is difficult to realize the operating mechanism of link-type, also just is difficult to realize the trip free of mechanism, does not have trip free, also just can not realize various defencive functions.

Summary of the invention

In view of increasing high-power electric appliance gets into family, heavy load more must need error protection, for have a kind of both can be as common switch on wall fashion attractive in appearance; Small volume and less weight is applicable to big power again, also has the trip free ability; Have functions such as earth leakage protective, overcurrent and other protection; The utility model provides a kind of scheme, and it is to have both elegant in appearancely, can bear heavy load and have trip free and the wane type switch of higher machinery, electric property.Because the operating mechanism of its unique texture; Its seesaw biasing; Thereby on overall dimension, can adopt the standard type panel, and on characteristic, realized can trip free, big electric current, miniaturization, terminal block be easy, stable and reliable for performance, can disjunction bigger fault current, can increase advantage such as various defencive functions.

The scheme of the utility model switch on wall is: a kind of switch on wall has: shell and be loaded in actuator system, moving contact component in the said shell, have binding post fixed contact, cover on the outer arc control device of dynamic/static contact; With the output line binding post.

It is characterized in that: said actuator system by: lever, small rack, slide block, connecting axle, main shaft, main spring etc. are formed.

Said actuator system is located at a side at switch center, and said small rack is fixed in the said position of actuator system in the shell, and small rack is the parts that have two parallel vertical plates to fuse mutually.

Lever can be installed on the aperture on small rack top around axle through an axle in the midway of its length direction freely to rotate, and lever forms the state of frame on that two parallel-plate of small rack of riding, and two ends can be done this and rise that seesaw that falls motion.

The front end place of said the above aperture of vertical plate of small rack is provided with the microscler chute on above-below direction; Said slide block; A position on its top is sentenced an axle and is connected with a hole of said lever front end, makes when the lever tilting turns round, can drive in the chute of slide block at small rack to slide up and down.

Said moving contact component is the both sides that are fixed on main shaft by two moving contacts respectively abreast; Said main shaft medium position is stuck in a semicircle position of small rack vertical plate bottom pivotally; Two moving contacts can be turned round around said main-shaft axis abreast, and said two moving contacts are electrically connected on the output line binding post through the line that is flexible coupling respectively.

The extension that said slide block also has and this slipper is integral but bend; At this end, extension and said connecting axle can the revolution mode being connected; Through said connecting axle the shift action that revolution changed into of above-mentioned lever is delivered to one of the moving contact system component end that can do the revolution action around fulcrum that is positioned at the bottom, makes the contact of moving contact do out/close action fixed contact.

Said main spring is fixed to such an extent that make it produce the pulling contact to the reset force that breaks away from the fixed contact direction.

The characteristic of a flexible program of the utility model scheme is to replace the output line binding post, the use socket.

A further scheme of the utility model is characterized in that: also comprise the moving contact free handle, said moving contact free handle comprises: tripping and snap close; The front portion that direction of moving contact is installed in position, said main shaft middle is provided with the protuberance that has the tripping installing hole; Rear portion round about is provided with the protuberance that has the snap close installing hole; Said tripping is an elongated member; One end is established tripping revolution axis hole and is transmitted the pulling force hole, establishes the cramp protuberance on the other end; Said tripping gyroaxis aperture bearing pin is connected pivotally with at the anterior tripping installing hole of said main shaft; Said snap close is an elongated member, and an end is established snap close revolution axis hole, and the snap close working face is established at the middle part, and the other end is established dropout face " A " (see figure 6), and said snap close gyroaxis aperture bearing pin is connected with the said snap close installing hole at said main shaft rear portion pivotally; Said cramp protuberance, but confession and snap close working face are made the fastening of folding, and snap close, tripping and spindle unit are formed a unified interlock body under the state of being interlocked; A spring provides the power towards tripping to snap close.

The transmission pulling force hole of said tripping is linked in the lower end of said connecting axle.

For guaranteeing that dropout rear catch working face and cramp protuberance remain on the tram that fastens again, lining is set on pedestal, limit moving contact extreme position after dropout.

Said shell in the above scheme can be made up of panel, big support, pedestal, lid; All mechanism is installed in the said pedestal, and said lid and pedestal fasten; Said big support is a connecting plate, is connected to the outside of said pedestal, supplies switch is installed on the wall; Said panel is buckled in the said face that covers, and lever or the suit seesaw that plays decoration function above that stretches out in panel and supplies operation outward.

The scheme of the utility model; The operating mechanism that utilizes lever and slide block to constitute is biased to a side with traditional mechanism's center operations power, like this, just can successfully seesaw be placed on a side of whole switch panel; And leave the wiring space of enough load ends at opposite side; Just can dispose and close/device that minute heavy load is necessary, bigger heat-dissipating space arranged, bigger binding post system; Or enough positions are arranged when using socket as output device, can also there be enough arrangement spaces to comprise testing button 3 and positions such as inner test circuit and indicator light on the panel.

Small rack will rotate from the low-angle of lever with cooperations such as slide block, levers and change into bigger effective linear displacement; Further; Slide block is through its extension; To move to the correct position nearer from effective displacement of lever, thereby realize that switch can have enough contact over travel and open distance when seesaw is operated apart from the mechanism center.

Can guarantee that after including free handle in switch breaks off fast.Situation according to the instruction of threading off is provided with different release module or device, can realize electric leakage in the switch connecting circuit, short circuit, overload, overvoltage, under-voltage etc. automatic protection.

Description of drawings

Fig. 1 is the figure of expression the utility model switch on wall embodiment, wherein:

Fig. 1 a is its positive outer surface figure;

Fig. 1 b removes panel and the inner structural plan of lid back switch;

Fig. 1 c is the right side view of Fig. 1 b, but has removed the wall of the pedestal of front.

Fig. 2 is an actuator system structural representation among the utility model embodiment.

Fig. 3 is the medium and small rack assumption diagram of the utility model embodiment, wherein:

Fig. 3 a is its front view;

Fig. 3 b is a left view.

Fig. 4 is main shaft and a moving contact component structure chart among the utility model embodiment, wherein:

Fig. 4 a is a front view;

Fig. 4 b is a left view.

Fig. 5 is a tripping structure chart among the utility model embodiment.Wherein:

Fig. 5 a is a front view;

Fig. 5 b is a top view.

Fig. 6 is buckle structure figure among the utility model embodiment.

Fig. 7 is the structure chart of slide block among the utility model embodiment.

Fig. 8 is a leakage protection module structural representation among the utility model embodiment.

Fig. 9 is the overload and the structural representation of short-circuit protection among the utility model embodiment.

Embodiment

Below will combine accompanying drawing to describe the embodiment of the utility model in detail, the title of parts shown in the mark is following among the figure:

1 panel; 2 seesaws; 3 testing buttons; 4 big supports; 5 pedestals; 6 lids; 7 actuator systems; 8 release modules, 9 moving contact components; 10 fixed contacts; 11 arc control device; 12 output line binding posts; 13 linings; 16 levers; 161 axis holes; 162 elongated holes; 17 slide blocks; The slipper of 171 slide blocks; The extension of 172 slide blocks; 173 positions, hole that are connected with lever; The position, hole that is connected with connecting axle 29 on 174 extensions; 175 are used for the position, hole of self-locking; 18 small racks; 181 semi-circular groove; 182 vertical plates; 183 axis holes that are connected with lever; 184 chutes; The turnover of 1841 chute lower ends; The moving iron core of 22 leakage protection module; 25 moving contacts; The 251 moving contacts line that is flexible coupling; 26 main shafts; 261 main shafts middle part; 263 tripping installing holes; 264 snap close installing holes; 27 trippings; 271 cramp protuberances; 272 transmit the pulling force hole; 273 trippings revolution axis hole; 28 snap closes; 281 snap close working faces; 282 snap closes revolution axis hole; 29 connecting axles; 30 main springs; 31 bimetal leafs; The coil of 32 instantaneous releases; The moving iron core of 33 instantaneous releases.

The switch on wall construction of switch of the utility model first embodiment such as Fig. 1 a, Fig. 1 b, Fig. 1 c, Fig. 1 a switch outer surface front view wherein, Fig. 1 b removes the internal layout behind panel and the lid for Fig. 1 a, and Fig. 1 c removes the right view after the base wall of view front portion for Fig. 1 b.In this example, said switch is made up of panel 1, switch body, big support 4, seesaw 2 together.The switch body skin is by a shell of being made up of pedestal 5, lid 6; All members all are contained in wherein, and positive topmost is a panel 1, are switch body below it; Big support 4 is fixed on the shell of switch body; Confession is installed on the usefulness on the wall with switch, and panel 1 then is buckled on the described big support 4, makes switch on the wall that beautiful appearance arranged.Same seesaw 2 is that each parts of present embodiment switch all are arranged in the pedestal 5 for the comfortableness of switching manipulation and attractive in appearance and be installed on the lever 16 of switch body.

As the basic function of switch, be its make-and-break contact effect, this is realized by actuator system 7.The formation of this system 7 and action as following.

Referring to Fig. 1-Fig. 7, among first embodiment of this routine switch, comprising: actuator system 7; The fixed contact 10 of moving contact component 9, tape input binding post and output line binding post 12.Wherein actuator system 7 comprises: lever 16, small rack 18, slide block 17, connecting axle 29, main shaft 26, main spring 30 and other links (as: pivot pin etc.); Said actuator system 7 is located at a side of the disalignment of switch; The right side shown in Fig. 1 a for example; Said small rack 18 (referring to Fig. 3); Be fixed in the place, position of actuator system 7 in the pedestal 5, small rack 18 is linked to be the part that the cross section takes the shape of the letter U for two parallel vertical plates 182 are arranged through a following bottom surface, and a lever 16 is installed on the aperture 183 on small rack top through an axle in the hole 161 of midway; And can freely turn round around axle, lever forms the state of frame on small rack 18 those two parallel-plates of riding; Its front end (right side of Fig. 2) and rear end just can these high those low or motions on the contrary.Front end on the said vertical plate 182 of small rack 18 is provided with the microscler chute 184 on above-below direction; A slide block 17 (Fig. 7) can slide up and down in chute 184; And sentence an axle through the positions, hole 173 above the slide block wherein 17 and be connected with a hole 162 of lever 16 front ends; Like this; When lever 16 tiltings turn round, can drive in the chute 184 of slide block 17 at small rack 18 and slide up and down, this structure lets and low-angle from lever is rotated changed into bigger effective linear displacement with being forced.Thereby when using seesaw to operate, can the enough distance and excess of stroke opened be provided for switch as switch contact.

Above-mentioned slide block 17 is except that the part of in chute, sliding 171; Also have and this slipper all-in-one-piece bending extension 172; There is position, a hole 174 to be connected at these 172 places, extension with a connecting axle 29; The linear displacement that the revolution of above-mentioned lever 16 is changed into moves to moving contact component 9 or trip gear, and the latter also will narrate below.In a concrete structural design, slide block 17 is designed to " L " shape, respectively is provided with an aperture on two angle points up and down on a limit of its " L " shape; One of them is aforesaid hole 173; Another is 175, and these two holes are respectively passed one, and the head of axle is installed in the chute 184 as the slipper of slide block; Make and to slide along chute 184; And comprised that as the whole slide block on another limit of " L " shape of above-mentioned extension 172 17 itself between small rack two vertical plates or in the other space of plate, stretch out to the back-end this extension 172, promptly stretches out to lever 16 centre of gyration directions; Can let the displacement (rectilinear motion) of coming move to midway, make whole operation train of mechanism 7 in switch, arrange compactly from the lever conversion.Be positioned at another limit of " L " shape slide block 17 itself; Be to establish another hole 174 on the termination of aforesaid extension 172; In this example; Above-mentioned axle 29 is

shape; Its two free ends are respectively as two little axles; Wherein one penetrates on said another termination, limit of said " L " shape slide block in that hole 174; The little axle of that root that second free end of

oblique crank Z 29 is suitable will be used for connecting in the transmission pulling force hole 272 in the free handle tripping 27 that moving contact component 9 or back will describe (referring to Fig. 5), and the detailed content of relevant this device will be described below.So; Just can the linear displacement up and down that obtain in the chute 184, come by the tilting revolution conversion of seesaw 2 (lever 16) oppositely be moved on the nearer correct position in lever 16 centre bore positions by means of slide block 17, on the one hand active force offered the tripping in moving contact component or the free handle; Switch is when closing a floodgate on the other hand, and mechanism can remain on the closing position, and this " maintenance " can be through suitably designing the size of slide block 17, chute 184; Make mechanism cross the dead point; Promptly make said hole 174 cross the line of forming by hole 183,173, produce self-locking, be stabilized in closing position.But this example then provides the another kind of deformation program of chute 184 shapes to reach this purpose; The lower end that is chute 184 transfers 1841 longitudinally to chute of switch centerline direction curved elongated formation; Arrive here and produce or strengthen self-locking action by the axle of the position, 175 hole of slide block 17, switch is remained on the closing position.

Referring to Fig. 4, moving contact component 9 is to comprise two moving contacts 25 that have the line 251 that is flexible coupling, and the line that is flexible coupling is received two output line binding posts 12 respectively and gone; The positioned beneath fixed contact 10 of moving contact, and if necessary in dynamic/static contact outer cover dress arc control device 11.Certainly, fixed contact will be connected to the incoming line binding post.Two moving contacts 25 are fixedly mounted on the both sides of main shaft 26, and main shaft 26 medium positions 261 are stuck in the semicircle position 181 of small rack 18 vertical plates 182 bottoms, and main shaft 26 can turn round in this position.Switch has just formed a switch loop of being made up of two groups of incoming line binding posts, fixed contact, moving contact, the line that is flexible coupling, output wiring terminal like this; Moving contact by from the action of seesaw (lever), slide block,

shape connecting axle 29 and and the folding between the fixed contact just formed the combined floodgate and the separating brake of switch.Certainly such loop has two groups, can receive the L utmost point (live wire) and the N utmost point (zero line) on the circuit during use respectively.

So far switch has been realized its basic functions, i.e. make-and-break contact; Its course of work is: an end of pushing seesaw 2 (lever 16); Make slide block 17 along chute 184 to lower slider; Through

oblique crank Z 29 force transmission is arrived moving contact component, moving contact is rotated around small rack 18 following semi-circular groove 181; After the axle position 175 of slide block 17 lower ends arrives the turnover 1841 of chute 184 lower ends or lower end, make between slide block and the small rack from the power of main spring 30 to produce self-locking, at this moment the counter-force of main spring 30 can't make slide block pop up, thereby switch keeping is closed a floodgate.When pushing the other end of seesaw 2, slide block 17 will receive a power that makes progress, and this power is increased to and certain will changes the force direction that receives between slide block and the small rack when big or small, destroys its self-locking state, and slide block upwards slides, the switch separating brake.

Because the space is bigger in this programme switch, can replace the connected mode of output line binding post with socket as output, adapt to the user that such needs are arranged.

In further improved plan of present embodiment, be provided with free handle in the actuator system 7, promptly in mechanism, increased snap close 28, tripping 27 and relevant accessories such as little axle.Concrete structure and layout are described below: the structure of tripping 27, snap close 28 is referring to Fig. 5 and 6.Referring to Fig. 4, position, said main shaft 26 middle is provided with the protuberance that has tripping installing hole 263 in the front portion that direction of moving contact is installed earlier, and rear portion round about is provided with the protuberance that has snap close installing hole 264.Said tripping 27 is elongated member, and an end is established tripping revolution axis hole 273 and transmitted pulling force hole 272, establishes cramp protuberance 271 on the other end.Said tripping revolution axis hole 273 is connected through bearing pin pivotally with at said main shaft 26 anterior tripping installing holes 263.Said snap close 28 is elongated member, and an end is established snap close revolution axis hole 282, and snap close working face 281 is established at the middle part, and the other end is established dropout face A (see figure 6), and said hole 282 is connected with the snap close installing hole 264 at said main shaft rear portion through bearing pin pivotally.Said cramp protuberance 271, but confession and snap close working face 281 are made the fastening of foldings, and snap close, tripping and spindle unit 26 are formed a unified interlock body under the state of being interlocked; A spring provides the power towards tripping to snap close.Through

oblique crank Z 29 the transmission pulling force hole 272 of tripping 27 fronts and the front aperture 174 of slide block 17 are connected; Thereby will be delivered to moving contact through snap close 28 and tripping 27 by the action of lever 16, form the actuator system 7 of a complete band free handle.

For guaranteeing that dropout rear catch working face 281 and cramp protuberance 271 remain on the tram that fastens again, lining 13 is set on pedestal, limit moving contact extreme position after dropout.

The switch that has this actuator system is similar with previous embodiment when closing a floodgate; Before combined floodgate, because the position of lever 16 receives the spacing of groove 184 on the small rack, main shaft receives the spacing of lining 13; The cramp protuberance 271 of tripping is positioned at the below of the snap close working face 281 of snap close; During closing operation, above-mentioned cramp protuberance 271 is up fastened with snap close working face 281, make it to become a unified interlock body with main shaft from the power of lever; Like this, the power on the main shaft 26 of originally acting on is become via snap close 28 and tripping 27 be delivered to main shaft.When separating brake; Not only can resemble previous embodiments and operate by hand, can also act on the snap close, for example on the dropout face of snap close " A " through external force with its separating brake; The snap close 28 of fastening is triped with tripping 27; Directly destroy its self-lock mechanism, main shaft 26 is upspring, the switch separating brake under the effect of main spring 30.Simultaneously, because lever is upspring and main shaft is spacing by lining, the combined floodgate front position is got back in snap close and tripping automatically, makes switch be ready to close a floodgate once more.

Switch has possessed the trip free function in above-mentioned first embodiment, and we can increase some dropout modules so on this basis, makes switch have various defencive functions.

One of which increases earth leakage protective device in switching circuit, when circuit generation leak current fault, earth leakage protective device will promote the snap close 28 in the actuator system 7, for example on the snap close dropout face " A ", makes snap close 28 and tripping 27 trip the switch separating brake.In such embodiment scheme; A leakage tripping device module (Fig. 8) can be set, and it is installed in snap close 28 next doors (can referring to Fig. 1 b), this is an electromagnet; When circuit generation leak current fault; The snap close 28 that moving unshakable in one's determination 22 of leakage tripping device module promotes in the actuator system 7 makes snap close 28 and tripping 27 trip the switch separating brake.Its two, if in this leakage protection circuit, increase under voltage and superpotential protector module, switch just possesses defencive functions such as electric leakage, overvoltage and under voltage simultaneously so.Certainly, if single will a certain function wherein also the establishment.This earth leakage protective has been used for various occasions in a large number with the scheme of mistake, under-voltage protection device, needn't carefully state here.

On the basis of first embodiment; Second embodiment of the utility model increases overload and short-circuit protection in switching circuit; When overload or short circuit take place in circuit; The overload or short-circuit protection device will promote the snap close 28 in the actuator system 7, make snap close 28 and tripping 27 trip the switch separating brake.In the present embodiment; Be through being connected in series the coil 32 (like Fig. 9) of a bimetal leaf 31 and/or instantaneous release between moving contact 25 in above embodiment scheme and the output line binding post 12; Like this when overload or short circuit take place in circuit; Utilize bimetal leaf 31 bending or instantaneous release moving unshakable in one's determination 33 go to promote the snap close 28 in the actuator system 7, make snap close 28 and tripping 27 trip the switch separating brake.This movement structure also is to use in various circuit breakers in a large number, needn't carefully state.Certainly, only getting wherein a kind of defencive function in the switch also sets up.

Claims (9)

1. switch on wall has: shell and be loaded in actuator system (7), moving contact component (9) in the said shell, have binding post fixed contact (10), cover on the outer arc control device (11) of dynamic/static contact; With output line binding post (12);

It is characterized in that: said actuator system (7) by: lever (16), small rack (18), slide block (17), connecting axle (29), main shaft (26), main spring (30) etc. are formed;

Said actuator system system (7) is located at a side at switch center, and said small rack (18) is fixed in the corresponding position of actuator system in the shell, and small rack is the parts that have two parallel vertical plates (182) to fuse mutually;

Lever (16) can be installed on the aperture (183) on small rack top around axle through an axle in the midway of its length direction freely to rotate, and lever forms the state of frame on that two parallel-plate of small rack of riding, and two ends can be done this and rise that seesaw that falls motion;

The front end place of the above aperture of said vertical plate (183) of small rack (18) is provided with the microscler chute (184) on above-below direction; Said slide block (17); A position on its top is sentenced an axle and is connected with a hole (162) of lever (16) front end, makes when lever (16) tilting turns round, can drive in the chute (184) of slide block (17) in small rack (18) to slide up and down;

Said moving contact component (9) is the both sides that are fixed on main shaft (26) by two moving contacts (25) respectively abreast; Said main shaft (26) medium position (261) is stuck in a semicircle position (181) of small rack 18 vertical plates (182) bottom pivotally and locates; Two moving contacts (25) can be turned round around said main-shaft axis abreast, and said two moving contacts (25) are electrically connected on output line binding post (12) through the line that is flexible coupling respectively;

The extension that said slide block (17) also has and this slipper is integral but bend; At this end, extension and said axle (29) can the revolution mode being connected; Through said axle (29) shift action that revolution changed into of above-mentioned lever (16) is delivered to one of moving contact system component (9) end that can do the revolution action around fulcrum that is positioned at the bottom, makes the contact of moving contact do out/close action fixed contact (10);

Said main spring is fixed to such an extent that make it produce the pulling contact to the reset force that breaks away from the fixed contact direction.

2. switch on wall according to claim 1 is characterized in that: the bending extension of said microscler chute (184) lower end is provided with turnover groove (1841).

3. switch on wall according to claim 1 and 2 is characterized in that: also be provided with the moving contact free handle, said moving contact free handle comprises:

Tripping (27) and snap close (28);

The front portion that the moving contact direction is installed in said main shaft (26) position, middle is provided with the protuberance that has tripping installing hole (263), and rear portion round about is provided with the protuberance that has snap close installing hole (264);

Said tripping (27) is an elongated member, and an end is established tripping revolution axis hole (273) and transmitted pulling force hole (272), establishes cramp protuberance (271) on the other end; Said tripping revolution axis hole (273) is connected through bearing pin pivotally with at the anterior tripping installing hole (263) of said main shaft (26);

Said snap close (28) is an elongated member, and an end is established snap close revolution axis hole (282), and snap close working face (281) is established at the middle part, and the other end is established dropout face (" A "), and said hole (282) are connected with the snap close installing hole (264) at said main shaft rear portion through bearing pin pivotally; Said cramp protuberance (271), supply with snap close working face (281) but make the fastening of folding, snap close, tripping and main shaft (26) are formed one and are unified the body that links under the state of being interlocked; A spring provides towards the power of tripping direction to snap close;

The transmission pulling force hole (272) of said tripping is linked in the lower end of said connecting axle (29).

4. switch on wall according to claim 3 is characterized in that: lining (13) is set on pedestal, limits moving contact extreme position after dropout.

5. switch on wall according to claim 4; It is characterized in that: be provided with leakage tripping device module (8); And it is installed in said snap close (28) next door, and by electric-leakage detection circuit signal being provided, the moving iron core (22) of said release module promotes the said dropout face of said snap close (28); Make snap close (28) and tripping (27) trip the switch separating brake.

6. switch on wall according to claim 4; It is characterized in that: the coil (32) that between said moving contact (25) and said output line binding post (12), is connected in series a bimetal leaf (31) and/or instantaneous release; The moving iron core (33) of said bimetal leaf and said or instantaneous release is installed on the said snap close or the side; When overload or short circuit generation; The moving iron core (33) of the bending of said bimetal leaf or instantaneous release promotes said snap close (28), makes snap close (28) and tripping (27) trip the switch separating brake.

7. switch on wall according to claim 5; It is characterized in that: the coil (32) that between said moving contact (25) and said output line binding post (12), is connected in series a bimetal leaf (31) and/or instantaneous release; The moving iron core (33) of said bimetal leaf and said or instantaneous release is installed on the said snap close or the side; When overload or short circuit generation; The moving iron core (33) of the bending of said bimetal leaf or instantaneous release promotes said snap close (28), makes snap close (28) and tripping (27) trip the switch separating brake.

8. switch on wall according to claim 4 is characterized in that: said use socket replaces output line binding post (12) as output.

9. switch on wall according to claim 7 is characterized in that: said use socket replaces output line binding post (12) as output.

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