CN207676840U

CN207676840U - Switching device structure-improved

Info

Publication number: CN207676840U
Application number: CN201721751823.3U
Authority: CN
Inventors: 吴智远; 萧志坤
Original assignee: SWITCHLAB ELECTRONIC TECHNOLOGY (SHANGHAI) Co Ltd
Current assignee: SWITCHLAB ELECTRONIC TECHNOLOGY (SHANGHAI) Co Ltd
Priority date: 2017-12-15
Filing date: 2017-12-15
Publication date: 2018-07-31
Anticipated expiration: 2027-12-15

Abstract

A kind of switching device structure-improved, providing one ensures mechanism, improves prior art switch and executes the unstable effect of open-circuit operation.The operating knob of ontology and combined body including switching device；Body defining has chamber, for group unification configured with the pedestal for making kinetoplast and Wiring module.And pedestal is equipped with slot room, is equipped with an elastic device comprising fixed section, free segment；Elastic device can respond the movement for making kinetoplast, using fixed section as fulcrum, make free segment that the contact arm of Wiring module be pushed to form the channel status of contact or leave contact arm and form off state.

Description

Switching device structure-improved

Technical field

The utility model relates to a kind of switching device structure-improved；Particularly relate to a kind of switching device include ontology, The combination of pedestal, elastic device is arranged in cooperation pedestal, and obtaining ensures that switch forms the technology of access and/or open circuit effect.

Background technology

It applies in motor, electronics, automatic control system, allows operator to operate board work or power supply open and close state is opened Device is closed, a prior art has been belonged to.The prior art also has revealed that this kind of switching device as emergency switch purposes, is grasped in personnel When making the situations such as improper, equipment fault ..., allows personnel that can promptly execute power-off or open-circuit operation, avoid causing serious injury or damage The situation of mistake.For example, TaiWan, China No. 94222288 " emergency switch structure of testing equipment ", No. 98201163 it is " urgent Switching device " Patent Case etc. provides typical embodiment.

The emergency switch device that the prior art discloses generally includes the operating knob and appearance of a configuration pressing and/or rotary switch Receive the shell of operating knob, spring；Enclosure interior combination has pedestal（Or pedestal）With the parts such as Wiring module with contact arm.When When personnel's pressing operation button drives pedestal to push, shell is opposite to force pedestal compressed spring, releases pedestal by spring by is formed Positioning forms off state to allow pedestal to push Wiring module.And personnel can force pull-up operating knob and pedestal, make bottom Seat returns to the channel status of initial pool position or Wiring module；For example, Japanese Unexamined Patent Publication 2003-303527 Patent Cases provide One feasible embodiment.

Amount of parts in order to improve the switching device of the prior art is more, more complex and cause manufacture, assembly cost Increased situation, the prior art also has revealed that a kind of contact arm using Wiring module generates elastic acting force, to be formed out Close the technological means of access and/or open circuit；For example, CN 102741961 B " Operation switch " Patent Case, provide one it is feasible Embodiment.A helical spring, cooperation Wiring module setting first is arranged in the embodiment between switch case and slide mass Leaf spring, the second leaf spring；Offer personnel pull-up or pressing operation button make the first leaf spring, the second leaf spring and fixed contact form elasticity The channel status of contact or the off state for forming separation.

Switching device in relation to the prior art structure and practical operation application aspect project, including：

1. in the situation of certain operation applications, because long-time service or human factor, cause switch case, operating knob Or when pedestal breakage or fracture, the structure of compressed spring is set between shell and pedestal in the prior art, it can be because compressing bullet Spring loses compression or the start supporting point to release energy or load position, and causes compressed spring that can not push pedestal really, makes Wiring module forms off state, and the urgent of relative loss switching device disconnects or cut-out function.

2. finger is arranged using the first leaf spring, the second leaf spring cooperation pedestal in the prior art（And/or combined helical spring） Structure, it is necessary to by the first leaf spring, the second leaf spring design special construction is made, so that the first leaf spring, the second leaf spring is had bullet Property active force；For example, first leaf spring one end forms bending section and travelling contact, in the travelling contact back side the second plate of Opposite direction connection Spring；And second leaf spring form U-shaped body structure, including bending section and towards the first leaf spring direction extend movable plate, to coordinate The kenel of finger.

Just as those those skilled int the arts are known, the first leaf spring, the structure of the second leaf spring and bending stamping press are multiple It is miscellaneous, it is unfavorable for reducing manufacturing cost.

Another project in relation to prior art switching device in structure design and application aspect is, in order to increase by the first plate The elastic acting force or motion range of spring, the second leaf spring, the first leaf spring particular application thickness than band-like relatively thin kenel, and Form the structure of vacancy section.But, the structure kenel can reduce the conductive effectiveness of the first leaf spring, and this situation is not We are desired.

For representative, these reference datas show shell in relation to switching device and make kinetoplast, Wiring module or Its situation of related coupling unit in terms of using with structure design.If overline design considers the switching device, Wiring module Package assembly with associated component and above-mentioned application scenarios, are different from the prior art, by its changeable use type State, increases its application effect, and is different from the prior art.For example, under conditions of considering the effects that structurally and operationally easy, It should include following project.

1. the structure kenel that compressed spring is arranged between old law application shell and pedestal must be removed；Improve the prior art Structure is because of damaged or fracture, the situation for causing the breaking mechanism of compression spring set splice grafting wire module to lose.

2. labyrinth kenel of the prior art switching device using the first leaf spring, the second leaf spring should be removed or be solved, together When again improve prior art construction in order to reach elastic reaction, reduce the situation of conductive effectiveness.

And these projects are not specifically taught or are disclosed in above-mentioned reference data.

Utility model content

Therefore, the main purpose of the utility model is to provide a kind of switching device structure-improved, and providing one ensures machine System improves prior art switch and executes the unstable effect of open-circuit operation.The behaviour of ontology and combined body including switching device Make button；Body defining has chamber, for group unification configured with the pedestal for making kinetoplast and Wiring module.And pedestal is equipped with slot room, Equipped one elastic device comprising fixed section, free segment；Elastic device can respond the movement for making kinetoplast, using fixed section as fulcrum, make certainly It pushes the contact arm of Wiring module to form the channel status of contact or leave contact arm by section and forms off state.

Switching device structure-improved according to the present utility model, the elastic device fixed section include that the firstth area and vertical bending connect Meet secondth area in the firstth area；Secondth area has a tail end to be fixed on pedestal.And elastic device free segment includes the firstth area, connection Secondth area in the firstth area and vertical bending connect the third area in the secondth area；There is an included angle between firstth area and the secondth area, Make the secondth area for the firstth area, form inclined kenel, and have an active force, makes third area that can respond and make kinetoplast movement, and It pushes contact arm to form the channel status of contact or leave contact arm and forms off state.

Description of the drawings

Fig. 1 is the dimensional structure diagram of the utility model；It depicts operating knob, ontology, make kinetoplast, pedestal, wiring mould The structure combination situations of the parts such as block and elastic device.

Fig. 2 is the partial structural diagram of Fig. 1；Show the knot for making the parts such as kinetoplast, pedestal, Wiring module and elastic device Structure combination situations.

Fig. 3 is the decomposition texture schematic diagram of Fig. 2.

Fig. 4 is the planar structure schematic diagram of Fig. 1；Elastic device combination Wiring module is depicted, the structure of channel status is formed Situation.

Fig. 5 is the planar structure schematic diagram of an operation embodiment of the utility model；Show personnel's pressing operation button, band Action kinetoplast moves downward makes Wiring module form off state, and makees the respective outer side edges feelings of kinetoplast, Wiring module, elastic device Shape.

Reference sign.

10 ontologies

11 base portions

12 chambers

13 axis rooms

20 pedestals

21 walls

22 slot rooms

23 partition walls

24 secondary slot rooms

25 first countermures

25a notches

26 second countermures

The embedding portions 26a

27 first combination sections

28 second combination sections

30 operating knobs

40 make kinetoplast

41 heads

42 abdomens

43 load portions

44 stanchions

45 protrusions

46 male arms

50 Wiring modules

51 first contact arms

The first contacts of 51a

52 second contact arms

The second contacts of 52a

54 freedom portion

55 bending sections

56 first

57 second

58 head ends

59 coated sides

60 elastic devices

61 base portions

62 fixed sections

The firstth area 62a, 63a

The secondth area 62b, 63b

63 free segments

63c thirds area

X axial direction reference axis.

Specific implementation mode

Please refer to Fig.1,2 and 3, the switching device structure-improved of the utility model includes the ontology and pedestal of a switching device Combination, it is generally indicated with Ref. No. 10,20 respectively.A cylindrical body structure with base portion 11 is made in ontology 10, and definition has One axial reference axis X；Ontology 10 is provided with operation（It presses）Button 30, and allow operating knob 30 can in an axial direction reference axis X in ontology It moves and/or rotates freely on 10.The fit structure category prior art related to operating knob 30 of ontology 10, therefore omit specifically It is bright.

In the embodiment adopted, ontology 10（And/or base portion 11）Chamber 12 is defined, for assembling pedestal 20 and start Body 40.Specifically, pedestal 20 is equipped with wall 21 and at least one slot room 22, makees kinetoplast 40 for combining substantially at column structure With elastic device 60；20 intermediate position of display base is equipped with partition wall 23 in figure, and 20 both sides of pedestal is made to form two slots of symmetrical kenel The structure of room 22.In following narration, it is intended to select the slot room 22 on 20 single side of pedestal as illustrating embodiment.

Fig. 1,2 and 3 also show pedestal 20 in the region of adjacent partition wall 23, and a secondary slot room has been defined jointly with combining harmoniously 21 24, in communication with slot room 22；Slot room 22 and secondary slot room 24 are equipped with and make kinetoplast 40 jointly, and allow to make the reference axis in an axial direction of kinetoplast 40 The direction of X forms the form of movement freely on slot room 22 and/or secondary slot room 24.

In the embodiment adopted, the position of 20 adjacent channels room 22 of pedestal is equipped with the first countermure 25, the second countermure 26；First Countermure 25, the second countermure 26 define the first combination section 27, the second combination section 28 between wall 21 respectively, are used for assembling wiring mould Block 50.

It includes at least two contact arms that Wiring module 50 is depicted in figure, divides into the first contact arm 51, the second contact arm 52, it is fitted respectively over the first combination section 27, on the second combination section 28.First contact arm 51 has one first contact 51a（Or it is fixed Contact）, the notch 25a through the first countermure 25 puts in the inside of slot room 22.Second contact arm 52 has a freedom portion 54 and configuration to exist The second contact 52a in freedom portion 54（Or travelling contact）；And freedom portion 54 and the second contact 52a cross the second countermure 26 and put in the inside of slot room 22, and the second contact 52a is made to extend up to the position of the first contact 51a, make the first contact 51a, Second upper and lower position shown in figure of contact 52a.

In feasible embodiment, the second contact arm 52 has a bending section 55, connects freedom portion 54；It bending section 55 can be auxiliary Help the elastic reaction and/or motion range for increasing freedom portion 54.

In a preferable consideration, in order to make the second contact arm 52 that there is comparatively ideal conductive effectiveness and rigidity effect, Second contact arm 52 forms two-part construction, and is set as first 56, second 57.First 56 selection rigidity or hardness are higher （Or rigidity or hardness more than second 57）Material（For example, iron, steel or its similar material）It is made；Second 57 selection is led Electrical efficiency is higher（Or the conductive effectiveness more than first 56）Material（For example, brass, red metal or its similar material）It is made.

First 56 head end 58 with jag kenel is also illustrated in figure, can combine second 57 coated side 59, and Form an overall structure kenel.The composite structure at corresponding first size end 58 and second coated side 59, the second countermure 26（Or the Two combination sections 28）It is formed with the embedding portion 26a of concave architecture, the second contact of auxiliary positioning arm 52.

Fig. 1,2 and 3 show that making kinetoplast 40 includes head 41 and connect the abdomen 42 on head 41.Head 41 is placed on this In one axis room 13 of body 10, and it is allowed in axis room 13（Above and below）It moves back and forth；Abdomen 42 is substantially at plate body structure, installing In pedestal pair slot room 24, and it is allowed in secondary slot room 24（Above and below）It moves back and forth.

In adopted preferred embodiment, abdomen 42 is provided with load portion 43, the laterally protruding stanchion 44 in abdomen 42, is used for Configure elastic device 60.Make kinetoplast 40 and when moving to reduce the response of elastic device 60, it is possible to create frictional force or resistance, abdomen 42 are equipped with protrusion 45, connection load portion 43 and stanchion 44, when elastic device 60 being made to move, will not touch friction abdomen 42.And start Body 40 is equipped with the male arms 46 for protruding from abdomen 42, and the structure extended towards lower section in figure.

It shows that elastic device 60 is the structure of a torque spring in figure, has and at least form an arc or at least two loop knots The base portion 61 of structure, around being located on the stanchion 44 for making kinetoplast 40；Fixed section 62 and free segment 63 are each extended over out from 61 both ends of base portion. Fixed section 62 includes the first area 62a, connects the second area 62b of the first area 62a.The firstth area of fixed section 62a from figure upper general plan to Inclined downward extends, and the secondth area of fixed section 62b is that the direction from the first area 62a towards free segment 63 vertically bends and formed；It is fixed The second area 62b of section is fixed on pedestal 20（Or second countermure 26）On.

And free segment 63 includes the first area 63a, connects the second area 63b of the first area 63a and the second area 63b of connection Third area 63c.Free segment the firstth area 63a extends towards the horizontal direction shown in figure, and touches on making the load portion 43 of kinetoplast 40, Form supporting role；There is an included angle between free segment the firstth area 63a and the second area 63b, make the secondth area of free segment 63b phases For the first area 63a, inclined kenel is formed, and has an active force, makes free segment third area 63c that can respond and makees the fortune of kinetoplast 40 It is dynamic, and the second contact 52a of the second contact arm 52 is pushed to form the channel status of the first contact 51a of contact or leave the second contact Arm 52 forms off state.

In the embodiment adopted, the included angle between free segment the firstth area 63a and the second area 63b can be formed acute angle, Right angle or obtuse angle；Free segment the secondth area 63b vertically bends extension towards the direction of fixed section 62 and forms third area 63c, makes third Area 63c forms the active region for pushing the second contact arm freedom portion 54；For example, the 4th discribed situation of figure.

Referring to FIG. 4, making kinetoplast 40, elastic device 60 combines Wiring module 50, the structure of switching device formation channel status Combination situations.When display switch device is in channel status in figure, it is assumed that make kinetoplast 40 at this time position in first position.Make kinetoplast 40 Load portion 43 coordinate elastic device free segment 63 the first area 63a and elastic device 60 using the second area 62b of fixed section 62 as supporting point, So that elastic device 60 is responded the movement for making kinetoplast 40 and form the state of energy accumulation, and makes free segment third area 63c pushing tows the Second contact 52a of two point arm freedom portion 54 touches the form of the first contact 51a of the first contact arm 51.

Referring to Fig. 5, when personnel are because of emergency pressing operation button 30, it can drive and make kinetoplast 40 from first position towards figure Middle lower section direction（Or it is defined as the second position）Movement；Elastic device 60（Or free segment third area 63c）The fortune of kinetoplast 40 is made in response It is dynamic, with fixed section 62（Or the second area 62b）For fulcrum, and the energy previously accumulated is discharged, releases free segment third area 63c pushing tows The effect of second contact arm freedom portion 54 makes the second contact 52a leave the first contact 51a of the first contact arm 51, forms open circuit State.

Also illustrated in figure make kinetoplast 40 male arms 46 assist ensuring the second contact 52a of the second contact arm freedom portion 54 from Open the situation of the first contact 51a.

For representative, this switching device structure-improved is under conditions of meeting easy to operate, compared to the prior art For, have the advantages that following consideration and.

1. the ontology 10, pedestal 20 make kinetoplast 40, Wiring module 50, elastic device 60 and related fit structure by again Design considers.For example, ontology 10 coordinates pedestal 20 that slot room 22, partition wall 23 and the secondary slot room 24 in communication with slot room 22, receiving is arranged Make kinetoplast 40 and elastic device 60；Pedestal 20 forms the first countermure 25, the first combination section 27, the second countermure 26, the second combination section 28, Link module 50 is installed；Load portion 43,44 combined elastic device 60 of stanchion is arranged in the abdomen 42 for making kinetoplast 40；Elastic device 60 includes The first area 62a, the second area 62b of fixed section 62 make free segment 63 have the first area 63a, the second area 63b and third area 63c, from Parts are waited by section third area 63c pushing tows or the freedom portion 54 for leaving the second contact of Wiring module arm 52, are different from existing skill Art and use, the operation form for changing it, and it is different from the prior art.

2. the slot room 22 of the pedestal 20, secondary slot room 24 accommodate combination and make kinetoplast 40, elastic device 60, make elastic device 60 with pedestal 20 or structural form that the inside of slot room 22 is start supporting point, hence it is evident that removed prior art application shell and pedestal（Or pedestal） Between compressed spring is set, as compressed spring movement fulcrum Form of Technique；Therefore, as prior art construction because it is damaged, Fracture is detached from, and is caused compressed spring supporting point to lose, is unable to control the situation that Wiring module forms breaking mechanism, is to the greatest extent may be used Energy minimizes.

3. in particular, the pedestal 20, which forms slot room 22, accommodates elastic device 60, elastic device 60 is made to push or leave Wiring module 50 structure technology can obviously improve labyrinth form and the prior art of the prior art using the first leaf spring, the second leaf spring Vacancy section is arranged in order to increase elastic reaction in structure, and reduces the situation of conductive effectiveness.

Therefore, the utility model provides one and is effectively used for switching device structure-improved, and shape of space structure is different In the prior art, and have the advantages that incomparable in the prior art, presents sizable progress, really fully complied with practicality The condition of new patent.

As described above, only possible embodiments of the utility model not are used for limiting the reality of the utility model Range is applied, i.e., all equivalent variations made according to the claim of the utility model and modification, are all that the utility model patent is protected Range.

Claims

1. a kind of switching device structure-improved, which is characterized in that the operating knob including ontology and combined body；

Ontology definition has an axial reference axis, and body defining has base portion and chamber, for installing pedestal；

Configured with kinetoplast and Wiring module is made, making kinetoplast can move back and forth pedestal on axial reference axis；

Wiring module has at least two contact arms, divides into the first contact arm and the second contact arm, and the first contact arm is equipped with the One contact, the second contact arm are equipped with the second contact；

Pedestal is equipped with wall and an at least slot room, is equipped with an elastic device；Elastic device includes that base portion and base portion both ends each extend over out admittedly Determine section, free segment；

Elastic device fixed section is fixed on pedestal, makes elastic device that can respond the movement for making kinetoplast, using fixed section as fulcrum, makes freedom Section push the second contact arm the second contact contact the first contact arm the first contact formed channel status, and make free segment from It opens the second contact arm and forms off state.

2. switching device structure-improved as described in claim 1, which is characterized in that a tubular with base portion is made in the ontology Body structure, pedestal are equipped with wall and partition wall at column structure；

Pedestal has defined a secondary slot room jointly in the region of adjacent partition wall, with combining harmoniously, in communication with slot room；Slot room and secondary slot room are total Make kinetoplast with equipped.

3. switching device structure-improved as claimed in claim 2, which is characterized in that the partition wall position makes in pedestal middle part Pedestal both sides form the structure of two slot rooms of symmetrical kenel.

4. switching device structure-improved as described in claim 1, which is characterized in that the position of the pedestal adjacent channels room is equipped with the One countermure, the second countermure；

First countermure, the second countermure define the first combination section, the second combination section between wall respectively；First combination section assembling the One contact arm, the second combination section assemble the second contact arm；

A notch of first contact of the first contact arm through the first countermure is put in inside slot room；

Second contact arm has the bending section of the freedom portion and a connection freedom portion of second contact of configuration；Freedom portion, the second contact It crosses the second countermure and puts in inside slot room, and the second contact is made to extend up to the position of the first contact.

5. switching device structure-improved as claimed in claim 2 or claim 3, which is characterized in that the position of the pedestal adjacent channels room is set There are the first countermure, the second countermure；

Second contact arm has the bending section of the freedom portion and a connection freedom portion of a configuration second contact；Freedom portion, second connect Point is crossed the second countermure and is put in inside slot room, and the second contact is made to extend up to the position of the first contact.

6. switching device structure-improved as described in claim 1, which is characterized in that the second contact arm forms two-piece type knot Structure, and it is set as first, second；

The material of first hardness of the selection hardness more than second is made；Second selection electric conductivity is more than first electric conductivity Material be made；

First has head end, can combine second coated side, and forms an overall structure.

7. switching device structure-improved as claimed in claim 2 or claim 3, which is characterized in that the second contact arm forms two-piece type Structure, and it is set as first, second；

8. switching device structure-improved as claimed in claim 4, which is characterized in that the second contact arm forms two-piece type knot Structure, and it is set as first, second；

9. switching device structure-improved as claimed in claim 5, which is characterized in that the second contact arm forms two-piece type knot Structure, and it is set as first, second；

10. the switching device structure-improved as described in claim 1 or 4 or 6 or 8, which is characterized in that this includes head as kinetoplast With the abdomen on connection head；

Head is placed in an axis room of ontology, and is allowed in axis room and is moved back and forth；

Abdomen substantially at plate body structure, is provided with load portion, the laterally protruding stanchion in abdomen, for configuring elastic device；

Abdomen is equipped with protrusion, connects load portion and stanchion, and the base portion of elastic device forms an arcuate structure and at least two toroidal ring structures One of them, around being located on the stanchion for making kinetoplast；And

Make kinetoplast and is equipped with the male arms for protruding from abdomen, and the structure extended downward.

11. switching device structure-improved as claimed in claim 2 or claim 3, which is characterized in that this includes head and connection as kinetoplast The abdomen on head；

Abdomen substantially at plate body structure, is installed in pedestal pair slot room, and is allowed in secondary slot room and is moved back and forth；Abdomen is arranged There are load portion, the laterally protruding stanchion in abdomen；

The base portion of elastic device forms an arcuate structure and at least one of two toroidal ring structures, around being located at the stanchion for making kinetoplast On；

Abdomen is equipped with protrusion, connects load portion and stanchion；And

12. switching device structure-improved as claimed in claim 5, which is characterized in that this includes head and connector as kinetoplast The abdomen in portion；

Abdomen is equipped with protrusion, connects load portion and stanchion；And

13. switching device structure-improved as claimed in claim 7, which is characterized in that this includes head and connector as kinetoplast The abdomen in portion；

Abdomen is equipped with protrusion, connects load portion and stanchion；And

14. switching device structure-improved as claimed in claim 9, which is characterized in that this includes head and connector as kinetoplast The abdomen in portion；

Abdomen is equipped with protrusion, connects load portion and stanchion；And

15. the switching device structure-improved as described in claim 1 or 4 or 6 or 8, which is characterized in that the elastic device is a torsion The base portion of the structure of spring, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

Elastic device fixed section includes the firstth area, connects secondth area in the firstth area, and the firstth area of fixed section tilts from the top to the bottom to prolong It stretches, the secondth area of fixed section is that the direction from the firstth area towards free segment vertically bends and formed；The secondth area of fixed section is fixed on pedestal On；And

Free segment includes the firstth area, connects secondth area in the firstth area and connect the third area in the secondth area；The firstth area of free segment Chao Shui Square to extension, there is an included angle between the firstth area of free segment and the secondth area, make the secondth area of free segment relative to the firstth area, Inclined kenel is formed, and has an active force, the second contact that free segment third area can push the second contact arm is made to contact the One contact；

Angle between the firstth area of free segment and the secondth area is one of acute angle, right angle and obtuse angle.

16. switching device structure-improved as claimed in claim 2 or claim 3, which is characterized in that the elastic device is a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

The fixed section of elastic device includes the firstth area, connects secondth area in the firstth area, and the firstth area of fixed section tilts from the top to the bottom Extend, the secondth area of fixed section is that the direction from the firstth area towards free segment vertically bends and formed；The secondth area of fixed section is fixed on base On seat；And

17. switching device structure-improved as claimed in claim 5, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

18. switching device structure-improved as claimed in claim 7, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

19. switching device structure-improved as claimed in claim 9, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

20. switching device structure-improved as claimed in claim 10, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

Free segment includes the firstth area, connects secondth area in the firstth area and connect the third area in the secondth area；The firstth area of free segment Chao Shui Square to extension, and touch on making the load portion of kinetoplast；

There is an included angle between the firstth area of free segment and the secondth area, make the secondth area of free segment relative to the firstth area, formation is inclined Oblique kenel, and have an active force, so that the second contact that free segment third area can push the second contact arm is contacted the first contact；

21. switching device structure-improved as claimed in claim 11, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

22. switching device structure-improved as claimed in claim 12, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

23. switching device structure-improved as claimed in claim 13, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

24. switching device structure-improved as claimed in claim 14, which is characterized in that the elastic device is the knot of a torque spring The base portion of structure, elastic device forms an arcuate structure and at least one of two toroidal ring structures；

25. switching device structure-improved as claimed in claim 15, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

26. switching device structure-improved as claimed in claim 16, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

27. switching device structure-improved as claimed in claim 17, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

28. switching device structure-improved as claimed in claim 18, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

29. switching device structure-improved as claimed in claim 19, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

30. switching device structure-improved as claimed in claim 20, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

31. switching device structure-improved as claimed in claim 21, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

32. switching device structure-improved as claimed in claim 22, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

33. switching device structure-improved as claimed in claim 23, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.

34. switching device structure-improved as claimed in claim 24, which is characterized in that secondth area of free segment is towards fixed section Direction vertically bends extension and forms third area.