CN209282063U - Toaster and switch device thereof - Google Patents

Abstract

The embodiment of the application provides a toaster and a switching device thereof, wherein the switching device comprises: a circuit board; the pole piece assembly comprises a pole piece and a matching pole piece; the circuit board is fixed in at the both ends of cooperation pole piece, and the pole piece includes stiff end and free end, and the stiff end is fixed in the circuit board, and the free end moves towards the direction of cooperation pole piece to switch on pole piece and cooperation pole piece. When the switching device needs to be switched on, only the free end of the pole piece is in a motion state, the deviation degree of the pole piece and the matched pole piece can be reduced when the pole piece is contacted with the matched pole piece, the requirement on the position accuracy of the pole piece and the matched pole piece during production can be reduced, the processing difficulty is reduced, and the production efficiency and the qualification rate are improved. And after the switch device works for a long time, only the free end of the pole piece is possibly deformed, so that the deviation between the deformed pole piece and the matched pole piece can be reduced, the alignment of the pole piece and the matched pole piece is promoted, and the switch-on accuracy of the switch is improved.

Description

A kind of toaster and its switching device

[technical field]

This application involves field of home appliance technology more particularly to a kind of toasters and its switching device.

[background technique]

Toaster includes shell, flue, electric control gear and switch, and switch is electrically connected with electric control gear.It is existing Switch include pole piece and cooperation pole piece, when pole piece and cooperation pole piece contact when, switch connection, when pole piece and cooperation pole piece not in contact with When, switch disconnects.In the switch, pole piece is that one end is fixed with cooperation pole piece, and the hanging structure of the other end needs to connect switch When, it controls pole piece and the hanging structure of pole piece is cooperated to move, so that the two contacts, when needing to disconnect switch, control pole piece and match The hanging structure movement for closing pole piece, so that the two separates.

When above-mentioned switch turns on or off, the hanging structure of pole piece and cooperation pole piece is moved, and long-term work leads to pole piece When with cooperation pole piece deformation, there are problems that pole piece can not be aligned with cooperation pole piece causes switch to be not turned on.

[utility model content]

In view of this, the embodiment of the present application provides a kind of toaster and its switching device, to solve in the prior art The problem of pole piece can not be aligned when contacting with cooperation pole piece.

The embodiment of the present application provides the switching device of toaster, comprising:

Wiring board；

Pole piece component, the pole piece component include pole piece and cooperation pole piece；

Wherein, the both ends of the cooperation pole piece are both secured to the wiring board, and the pole piece includes fixing end and free end, The fixing end is fixed on the wiring board, and the direction of the free end towards the cooperation pole piece moves, to connect the pole Piece and the cooperation pole piece.

It preferably, further include elastomeric element, the elastomeric element is between the pole piece and the wiring board；

When the free end is towards the cooperation pole piece movement, the pole piece compresses the elastomeric element, in the elasticity Under the rebound effect of component, the free end is far from the cooperation pole piece movement.

Preferably, the wiring board is fixed with elastic slice, and the elastic slice is bending structure, and the elastic slice at least partly with There is gap, the elastic slice is the elastomeric element between the wiring board.

Preferably, the elastic slice has installation end, and the installation end is at least partly overlapped with the corresponding fixing end, and The installation end is fixedly connected with the wiring board with the fixing end.

Preferably, the pole piece further includes the interconnecting piece between the fixing end and the free end, the connection Portion includes multiple connected changeover portions；

It is and described at obtuse angle between the adjacent changeover portion when pole piece and the cooperation pole piece are in an off state At obtuse angle between the connected changeover portion of fixing end and the fixing end, the changeover portion being connected with the free end and institute It states between free end into obtuse angle.

Preferably, the switching device further includes driving assembly, and the driving component includes actuator, movement parts and execution Part, under the driving of the actuator, the movement parts drive the executive item movement, and in the executive item motion process, The direction for driving the free end towards the cooperation pole piece moves；

Wherein, the actuator includes handle, and the movement parts include sliding block, and the toaster is provided with guiding axis, institute Stating sliding block can slide along the guiding axis, and the sliding block is fixedly connected with tabletting, and the tabletting is the executive item；

The guiding axis extends along the height direction H of the toaster, and the circuit board module is located under the handle Side, the free end are located at below the fixing end.

Preferably, the tabletting bottom has inclined-plane；

In the pole piece, the changeover portion being connected with the fixing end is tilted down, and the tabletting is towards the pole piece movement During, the inclined-plane with the changeover portion for offseting.

Preferably, the upper end setting of the wiring board is jagged.

Preferably, the fixing end has flange, and the wiring board is provided with through-hole, and the flange passes through the through-hole, And it is welded with the wiring board；

The fixing end also passes through rivet and connect with the wiring board.

The embodiment of the present application also provides a kind of toaster, including shell and flue component, wherein the toaster further includes Switching device, the switching device are above-described switching device.

In the application, the cooperation pole piece of switching device is in stationary state, and pole piece has fixing end and free end, works as needs When actuating switching device, only the free end of pole piece is kept in motion, free end and cooperation pole piece with pole piece in the prior art Free end be in motion state and compare, both when the set-up mode of the application can reduce pole piece and pole piece is cooperated to contact Departure degree, and can reduce pole piece and cooperate requirement of pole piece when producing to the two position accuracy rate, difficulty of processing is reduced, is mentioned High efficiency and qualification rate.And after switching device long-term work, only the free end of pole piece may deform, so as to subtract Deviation after small deformation between pole piece and cooperation pole piece promotes the two alignment, improves the accuracy of switch connection.

[Detailed description of the invention]

Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached Figure is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for this field For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.

Fig. 1 is the flue of toaster provided herein and the structural schematic diagram of switching device, wherein switching device is in Off-state；

Fig. 2 is the structural schematic diagram at another visual angle of Fig. 1；

Fig. 3 is the structural schematic diagram of the herein described flue for providing toaster and switching device, wherein at switching device In on-state；

Fig. 4 is the partial enlarged view of I part in Fig. 3；

Fig. 5 is the structural schematic diagram at another visual angle of Fig. 3；

Fig. 6 is the partial enlarged view of II part in Fig. 5；

Fig. 7 is the structural schematic diagram of circuit board module in Fig. 1；

Fig. 8 is the structural schematic diagram of circuit board module in Fig. 3.

Appended drawing reference:

1- circuit board module；

11- wiring board；

111- notch；

112- mounting blocks；

The first pole piece of 12-；

The first contact 121-；

The first elastomeric element of 122-；

The first installation end of 122a-；

The first flange of 123-；

The first fixing end of 124-；

The first free end 125-；

126- First Transition section；

13- first cooperates pole piece；

The first co-operating contact of 131-；

The second pole piece of 14-；

The second contact 141-；

The second elastomeric element of 142-；

The first installation end of 142a-；

The second flange of 143-；

The first fixing end of 144-；

The first free end 145-；

146- First Transition section；

15- second cooperates pole piece；

The second co-operating contact of 151-；

16- rivet；

2- driving assembly；

21- handle；

22- connector；

23- guiding axis；

24- sliding block；

25- tabletting；

The inclined-plane 251-；

3- pedestal；

31- buckle；

4- flue component.

[specific embodiment]

In order to better understand the technical solution of the application, the embodiment of the present application is retouched in detail with reference to the accompanying drawing It states.

It will be appreciated that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.Base Embodiment in the application, it is obtained by those of ordinary skill in the art without making creative efforts it is all its Its embodiment, shall fall in the protection scope of this application.

The term used in the embodiment of the present application is only to be not intended to be limiting merely for for the purpose of describing particular embodiments The application.In the embodiment of the present application and the "an" of singular used in the attached claims, " described " and "the" It is also intended to including most forms, unless the context clearly indicates other meaning.

It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate There may be three kinds of relationships, for example, A and/or B, can indicate: individualism A, exist simultaneously A and B, individualism B these three Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".

It should be noted that the nouns of locality such as "upper", "lower" described in the embodiment of the present application, "left", "right" are with attached drawing Shown in angle come what is be described, should not be construed as the restriction to the embodiment of the present application.In addition, within a context, it is also necessary to Understand, when mentioning an element and being connected to another element "upper" or "lower", can not only be connected directly between another Perhaps "lower" can also be indirectly coupled to another element "upper" or "lower" by intermediary element for one element "upper".

Please refer to attached drawing 1~8, wherein Fig. 1 is the structural representation of the flue and switching device of toaster provided herein Figure, wherein switching device is in an off state；Fig. 2 is the structural schematic diagram at another visual angle of Fig. 1；Fig. 3 is herein described mentions The structural schematic diagram of flue and switching device for toaster, wherein switching device is in an ON state；Fig. 4 is I in Fig. 3 The partial enlarged view divided；Fig. 5 is the structural schematic diagram at another visual angle of Fig. 3；Fig. 6 is the partial enlarged view of II part in Fig. 5；Figure 7 be the structural schematic diagram of circuit board module in Fig. 1；Fig. 8 is the structural schematic diagram of circuit board module in Fig. 3.

The embodiment of the present application provides a kind of switching device of toaster, which includes shell, flue component 4, automatically controlled Device and switching device, wherein switching device and electric control gear are electrically connected.Wherein, as shown in Fig. 7 and Fig. 8, switch dress It sets including circuit board module 1, after which is powered, toaster work can be controlled.

Specifically, as shown in Figure 7 and Figure 8, which includes wiring board 11 and pole piece component, wherein wiring board 11 ends are provided with mounting blocks 112, and the pedestal 3 of toaster is provided with buckle 31, and wiring board 11 can be blocked by the mounting blocks 112 It is connected to the buckle 31 of pedestal 2；Pole piece component is fixed on wiring board 11, which includes pole piece and cooperation pole piece, the pole piece It is provided with contact, cooperation pole piece is provided with co-operating contact, and when the contact and co-operating contact contact, pole piece is led with cooperation pole piece Logical, switching device is in energized state, and toaster can start to work, when contact is separated with co-operating contact, pole piece and cooperation Pole piece disconnects, and switching device is in off-position, and toaster stops working.

In the application, pole piece component is bipolar sheets component, that is, includes the first pole piece 12 and the second pole piece 14, and match with it The the first cooperation pole piece 13 and the second cooperation pole piece 15 closed, the first pole piece 12 are provided with the first contact 121, the first cooperation pole piece 13 It is provided with the first co-operating contact 131, the second pole piece 14 is provided with the second contact 141, and the second cooperation pole piece 15 is provided with second and matches Conjunction contact 151.Wherein, in first pole piece 12 and the first cooperation pole piece 13, one is zero curve power supply pole piece, and another one is zero curve Pole piece is connected, the second pole piece 14 and second cooperates in pole piece 15, and one is fire-wire power pole piece, and another one is that firewire connects pole Therefore piece when the first contact 121 and the first co-operating contact 131 contact, can connect toaster and zero curve, when the second contact 141 and second co-operating contact 151 when contacting, toaster and firewire can be connected.

More specifically, as shown in Figure 7 and Figure 8, for the first cooperation pole piece 13 and the second cooperation pole piece 15, the two Both ends are both secured to wiring board 11, i.e., two cooperations pole piece (co-operating contact including the two) are in stationary state, meanwhile, the first pole Piece 12 and the second pole piece 14 include fixing end and free end, and the fixing end of the two is fixed on wiring board 11, and free end is not in Stationary state, and the contact of above-mentioned two pole piece is respectively arranged on the free end of the two, so that the free end can be in driving group It is moved under the driving of part 2 towards the direction of corresponding matching pole piece, to connect pole piece and corresponding cooperation pole piece.

In the application, cooperation pole piece is in stationary state, and pole piece has fixing end and free end, switchs dress when needing to connect When setting, only the free end of pole piece is kept in motion, equal with the free end of pole piece in the prior art and the free end of cooperation pole piece It is kept in motion and compares, the set-up mode of the application can reduce pole piece and cooperate the departure degree between pole piece, and can Requirement when reducing pole piece and cooperating pole piece production to the two position accuracy rate, reduces difficulty of processing, improves production efficiency and conjunction Lattice rate.And after switching device long-term work, only the free end of pole piece may deform, so as to pole piece after Reducing distortion with Cooperate the deviation between pole piece, promotes the two alignment, improve the accuracy of switch connection.

In addition, since cooperation pole piece is in stationary state always during switching device disconnects and is connected, it should The length of cooperation pole piece may be configured as the length less than pole piece, to reduce material utilization amount, it is generally the case that pole piece and cooperation pole The material of piece is phosphor bronze, after reducing material utilization amount, additionally it is possible to reduce cost.

Wherein, as can be seen from figures 6 to 8, the fixing end of above-mentioned first pole piece 12 and the second pole piece 14 passes through rivet 16 and route Plate 11 is fixed, meanwhile, which is additionally provided with one or more first flange 123, in embodiment as shown in FIG. 6, First pole piece 12 setting is there are two orthogonal first flange 123, similarly, second pole piece 14 be additionally provided with one or Multiple second flange 143, in embodiment as shown in FIG. 6, there are two orthogonal second flange for the setting of the second pole piece 14 143.Above-mentioned each first flange 123, the second flange 143 and rivet 16 both pass through the wiring board 11, and weld with wiring board 11, To guarantee bonding strength with higher between the fixing end of pole piece and wiring board 11.

As Fig. 7 and he shown in 8, which further includes the interconnecting piece between fixing end and free end, specifically, first Pole piece 12 includes the first fixing end 124, the first free end 125 and first connecting portion positioned there between, wherein the first connection Portion includes multiple connected First Transition sections 126；Similarly, the second pole piece 14 includes the second fixing end 144, the second free end 145 and second connecting portion positioned there between, wherein second connecting portion includes multiple the second connected changeover portions 146.

Wherein, as shown in fig. 7, when the first pole piece 12 is in an off state with the first cooperation pole piece 13, the second pole piece 14 and When second cooperation pole piece 15 is in an off state, in the first pole piece 12, at obtuse angle and first between adjacent First Transition section 126 It is solid at obtuse angle and the first free end 125 between First Transition section 126 and the first fixing end 124 that fixing end 124 is fixedly connected Surely at obtuse angle between the First Transition section 126 connected and the first free end 125；Similarly, in the second pole piece 14, adjacent second The second changeover portion 146 being fixedly connected between changeover portion 146 at obtuse angle and the second fixing end 144 and second fixing end 144 Between between the second changeover portion 146 being fixedly connected at obtuse angle and the second free end 145 and second free end 135 at obtuse angle.

So set, when toaster unpowered state, since the first pole piece 12 and the second pole piece 14 are multi-segment structure, and At obtuse angle between each section, therefore, first pole piece 12 and the second pole piece 14 in addition to the first fixing end 124 and the second fixing end 144, Remaining position protrudes from wiring board 11, and has certain space between wiring board 11, to guarantee that toaster is not powered on shape Pole piece and cooperation pole piece are at off-state when state, prevent the two from accidentally touching.

In addition, can be improved the elasticity of the two, to promote when the first pole piece 12 and the second pole piece 14 are multi-segment structure First pole piece 12 and the first cooperation pole piece 13 disconnect, the second pole piece 14 and the second cooperation pole piece 15 disconnect, and improve the peace of toaster Full property and sensitivity.

It further, as shown in Figure 7 and Figure 8, further include the first elastomeric element 122, wherein first elastomeric element 122 Between the first pole piece 12 and wiring board 11, when the direction movement that the free end of the first pole piece 12 cooperates pole piece 13 towards first When, which can compress the first elastomeric element 122, until the first pole piece 12 moves to the first contact 121 and first Co-operating contact 131 contacts, and when the connection between the first pole piece 12 and the second pole piece 13 disconnects, in first elastomeric element Under 122 rebound effect, the free end of the first pole piece 12 can be driven to move along the direction far from the first cooperation pole piece 13.

It similarly, as shown in Figure 7 and Figure 8, further comprise the second elastomeric element 142, wherein second elastomeric element 142 between the second pole piece 14 and wiring board 11, when the direction that the free end of the second pole piece 14 cooperates pole piece 15 towards second When movement, which can compress the second elastomeric element 142, until the second pole piece 14 move to the second contact 141 with The contact of second co-operating contact 151, and when the connection between the second pole piece 14 and the second pole piece 15 disconnects, in second elasticity Under the rebound effect of component 142, the free end of the second pole piece 14 can be driven to transport along the direction far from the second cooperation pole piece 15 It is dynamic.

Therefore, in the present embodiment, by adding elastomeric element, so that pole piece has good elasticity, promote pole piece and match Closing pole piece can normally disconnect, and improve the safety of toaster.Meanwhile after elastomeric element is set, additionally it is possible to improve making for pole piece Use the service life.

Specifically, as shown in Figure 7 and Figure 8, wiring board 11 is fixed with the first elastic slice and the second elastic slice, wherein the first elastic slice Between wiring board 11 and the first pole piece 12, and the one end and wiring board 11 of first elastic slice close to 12 fixing end of the first pole piece Fixed, the other end is in free state, and the second elastic slice is located between wiring board 11 and the second pole piece 14, and second elastic slice leans on One end of nearly second pole piece, 14 fixing end and wiring board 11 are fixed, and the other end is in free state.Meanwhile above-mentioned two elastic slice is curved Folded structure, part of it offset with wiring board 11, have gap between a part and wiring board 11, which is above-mentioned the One elastomeric element 122, the second elastic slice are above-mentioned second elastomeric element 142.

In the present embodiment, after the elastic slice with flexible deformation function is set, pole piece and cooperation pole piece can be promoted to disconnect, had Help realize fast break.Certainly, above-mentioned elastomeric element is not limited only to realize by elastic slice, also can be used commonly used in the art The structures such as other structures, such as spring, elastic, still, the elastic slice in the present embodiment have structure simple, and occupied space is smaller The advantages of.

More specifically, as shown in fig. 7, first elastomeric element 122 includes the first installation end 122a, the second elastomeric element 142 include the second installation end 142a, wherein the first fixing end 124 at least portion of the first installation end 122a and the first pole piece 12 Divide and be overlapped, and the two is fixedly connected by rivet 16 with wiring board 11；Similarly, the second elastomeric element 142 includes the second installation Hold 142a, wherein the second installation end 142a is at least partly overlapped with the second fixing end 144 of the second pole piece 14, and the two passes through Rivet 16 is fixedly connected with wiring board 11.

Further, as shown in figs. 1 to 6, which further includes driving assembly 2, and the driving assembly 2 is for driving two The direction of the free end of pole piece towards corresponding cooperation pole piece moves, and to connect the pole piece and corresponding cooperation pole piece, realizes more The energization of scholar's furnace.And when the reset of driving assembly 2, disappear to the activation force of pole piece, so that pole piece is in own resilience and bullet Property component rebound effect under, can along far from cooperation pole piece direction move, thus disconnect pole piece and cooperation pole piece, realize it is more The power-off of scholar's furnace.

Specifically, as depicted in figs. 1 and 2, which includes actuator, movement parts and executive item, in the actuator Driving under, movement parts drive executive item movement, and in executive item motion process, can contact with pole piece, to drive pole piece Free end towards it is corresponding cooperation pole piece direction move.

Wherein, which includes handle 21, which is located at the outside of toaster shell, user's pressable handle 21, to provide driving force to driving assembly 2.Movement parts include the sliding block 24 positioned at enclosure interior, and are also set in the toaster It is equipped with guiding axis 23, sliding block 24 is coated at the guiding axis 23, it is connected between handle 21 and sliding block 24 by connector 22, the connection Part 22 protrudes into the inside of shell on the outside of shell.Executive item includes the tabletting 25 being fixedly connected with sliding block 24.Such as Fig. 1 and Fig. 2 Shown in embodiment, guiding axis 23 extends along the height direction H of toaster, and circuit board module 1 is located at the bottom of toaster, Under off-position, handle 21 is located at the upper end of toaster.

When the toaster needs to be powered, user is pressed downward handle 21, to drive sliding block 24 along guiding axis 23 to downslide It is dynamic, during 24 slide downward of sliding block, the free end in contact of tabletting 25 and two pole pieces, as shown in figure 4, as sliding block 24 is to downslide Dynamic, tabletting 25 drives pole piece deformation, so that its contact and the co-operating contact of corresponding cooperation pole piece be enable to contact.

In the present embodiment, under the action of driving assembly 2, tabletting 25 and cooperation the distance between pole piece do not answer it is excessive, To guarantee under the action of tabletting 25, the contact of pole piece can be contacted with the co-operating contact of cooperation pole piece, and tabletting 25 and cooperation The distance between pole piece is not answered too small yet, and to prevent under the action of tabletting 25, the cooperation of the contact of pole piece and cooperation pole piece is touched When point contact, there is therebetween biggish pressure.Therefore, distance between the two is can accommodate pole piece (including contact) Thickness is advisable.

It is appreciated that the structure of above-mentioned driving assembly 2 is not limited only to this, other knots commonly used in the art also can be used Structure, including common various straight-line motion mechanisms, such as: screw rod slide block structure, gear and rack teeth mechanism etc..To driving in the application The specific structure of component 2 is without limitation.

In the present embodiment, in driving assembly 2 direction of motion of executive item and movement parts along toaster height direction H, i.e., Extend in pole piece and cooperation pole piece assist side 11 along height direction H, to reduce pole piece and pole piece is cooperated to occupy wiring board 11 Space, can be used in the toaster of small volume, improve its applicability.And the free end of the pole piece is located under fixing end Side, and the contact of pole piece is set to the free end, therefore, the on-position of pole piece and cooperation pole piece is located below, will not be exposed In outside, avoids giving user's sense of insecurity, improve user experience.

Specifically, as shown in Fig. 2, the bottom of the tabletting 25 has inclined-plane 251, meanwhile, in pole piece, it is connected with fixing end Changeover portion tilts down, and during tabletting 25 moves under the drive of sliding block 24, inclined-plane 251 is contacted with changeover portion, and can One active force towards cooperation pole piece direction is acted on to pole piece, promotes the contact of the two, so that pole piece and cooperation pole piece The process of conducting is more smooth, as shown in Figure 4.

On the other hand, as shown in fig. 6, the upper end of the wiring board 11 is arranged jagged 111, when sliding block 24 is in handle 21 When moving downward under effect, notch 111 is for accommodating connector 22.Since connector 22 runs through in shell from hull outside Side, during moving downward under the action of sliding block 24 and tabletting 25 are in handle 21, connector 22 exists dry with wiring board 11 The risk related to opens up above-mentioned notch 111 by assist side 11, in 24 motion process of sliding block, can be kept away by the notch 111 Exempt from wiring board 11 and connector 22 is interfered.Wherein, the size and shape of the notch 111 can according to the structure of connector 22 and its with The distance that wiring board 11 is interfered determines.

In addition, the embodiment of the present application also provides a kind of toaster, including shell, pedestal 3 and flue component 4, and more scholars Furnace further includes switching device, which is set to interior of shell, and is any of the above switching device as described in the examples.

Since the switching device has above-mentioned technique effect, the toaster including the switching device should also have corresponding skill Art effect, details are not described herein again.

The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.

Claims (10)

1. the switching device of toaster characterized by comprising

Wiring board (11)；

Pole piece component, the pole piece component include pole piece and cooperation pole piece；

Wherein, the both ends of the cooperation pole piece are both secured to the wiring board (11), and the pole piece includes fixing end and free end, The fixing end is fixed on the wiring board (11), and the direction of the free end towards the cooperation pole piece moves, to connect State pole piece and the cooperation pole piece.

2. switching device according to claim 1, which is characterized in that further include elastomeric element, the elastomeric element is located at Between the pole piece and the wiring board (11)；

When the free end is towards the cooperation pole piece movement, the pole piece compresses the elastomeric element, in the elastomeric element Rebound effect under, the free end is far from the cooperation pole piece movement.

3. switching device according to claim 2, which is characterized in that the wiring board (11) is fixed with elastic slice, the bullet Piece is bending structure, and the elastic slice has gap at least partly between the wiring board (11), and the elastic slice is described Elastomeric element.

4. switching device according to claim 3, which is characterized in that the elastic slice have installation end, the installation end with The corresponding fixing end is at least partly overlapped, and the installation end and the fixing end are fixed with the wiring board (11) and connected It connects.

5. switching device according to claim 1, which is characterized in that the pole piece further includes being located at the fixing end and institute The interconnecting piece between free end is stated, the interconnecting piece includes multiple connected changeover portions；

When the pole piece and the cooperation pole piece are in an off state, at obtuse angle between the adjacent changeover portion, with the fixation At obtuse angle between the connected changeover portion in end and the fixing end, the changeover portion being connected with the free end and it is described oneself By end between at obtuse angle.

6. switching device according to any one of claims 1 to 5, which is characterized in that the switching device further includes driving Dynamic component (2), the driving component (2) include actuator, movement parts and executive item, described under the driving of the actuator Movement parts drive the executive item movement, and in the executive item motion process, drive the free end towards the cooperation pole The direction of piece moves；

Wherein, the actuator includes handle (21), and the movement parts include sliding block (24), and the toaster is provided with guiding axis (23), the sliding block (24) can be slided along the guiding axis (23), and the sliding block (24) is fixedly connected with tabletting (25), described Tabletting (25) is the executive item；

The guiding axis (23) extends along the height direction H of the toaster, and wiring board (11) component is located at the handle (21) lower section, the free end are located at below the fixing end.

7. switching device according to claim 6, which is characterized in that tabletting (25) bottom has inclined-plane (251)；

In the pole piece, the changeover portion being connected with the fixing end is tilted down, and the tabletting (25) is towards the pole piece movement During, the inclined-plane (251) with the changeover portion for offseting.

8. switching device according to claim 6, which is characterized in that the upper end setting of the wiring board (11) is jagged (111)。

9. switching device according to any one of claims 1 to 5, which is characterized in that the fixing end has flange, institute It states wiring board (11) and is provided with through-hole, the flange passes through the through-hole, and welds with the wiring board (11)；

The fixing end also passes through rivet and connect with the wiring board (11).

10. toaster, including shell and flue component (4), which is characterized in that the toaster further includes switching device, described Switching device is switching device according to any one of claims 1 to 9.