CN203406211U - A microswitch and an electric pressure cooker containing the same - Google Patents
A microswitch and an electric pressure cooker containing the same Download PDFInfo
- Publication number
- CN203406211U CN203406211U CN201320453572.6U CN201320453572U CN203406211U CN 203406211 U CN203406211 U CN 203406211U CN 201320453572 U CN201320453572 U CN 201320453572U CN 203406211 U CN203406211 U CN 203406211U
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- China
- Prior art keywords
- push rod
- sensitive switch
- connecting portion
- pushing part
- fore shell
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- Expired - Lifetime
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Abstract
The utility model discloses a microswitch and an electric pressure cooker containing the same. The microswitch comprises a front housing, a back housing, a fixed supporting member, a movable supporting member, a fixed sheet, a movable sheet, a push rod, and an elastic member. The fixed sheet is installed on the front housing and is equipped with a first contact. A second contact in cooperation with the first contact is disposed on the second end of the movable sheet. The elastic member is arranged between the push rod and the movable supporting member. The first end of the elastic member is connected with the bottom of the push rod. The second end of the elastic member is connected with the movable supporting member. The electric pressure cooker is also provided and comprises the above microswitch. In the microswitch, the elastic member is arranged between the push rod and the movable supporting member and has a certain buffering effect. After pushing the elastic member to enable the microswitch to operate, the push rod can be still moved. Therefore, large displacement of the microswitch is achieved. The microswitch has large moving space and an expanded using range.
Description
Technical field
The utility model relates to household electrical appliance preparing technical field, more specifically, relates to a kind of sensitive switch and has its electric pressure cooker.
Background technology
Sensitive switch, because have advantages of that volume is little and can bear ten million compression number, is used in 3C electronic product, household electrical appliance and automotive field widely.But existing sensitive switch can not obtain larger displacement, limited its scope of application.And existing sensitive switch is when being applied to the kitchen such as electric pressure cooker electricity equipment, easily produces drainage and cause sensitive switch to lose efficacy, and cause certain danger.
Utility model content
The utility model is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, an object of the present utility model is to propose a kind of simple in structure, sensitive switch with larger activity space.
Another object of the present utility model is to propose a kind of electric pressure cooker with above-mentioned sensitive switch.
Sensitive switch according to the utility model first aspect, comprising: fore shell, is formed with installing hole on described fore shell; Back cover, described back cover is connected with described fore shell; Securing supports, described securing supports is arranged on described fore shell; Active supporting piece, described active supporting piece can be connected with described securing supports up or down; Stator, described stator is arranged on described fore shell, and described stator is provided with the first contact; Moving plate, the first end of described moving plate is connected with described active supporting piece, and the second end of described moving plate extends to described stator below through described securing supports, and the second end of described moving plate is provided with the second contact coordinating with described the first contact; Push rod, described push rod is located in described installing hole, and the lower end of described push rod is connected with described active supporting piece; And elastic component, described elastic component is located between described push rod and described active supporting piece, and the first end of described elastic component and the lower end of described push rod be connected, and the second end of described elastic component is connected with described active supporting piece.
According to sensitive switch of the present utility model, by elastic component being set between push rod and active supporting piece, elastic component has certain cushioning effect, at push rod extruding elastic component and after reaching sensitive switch action, push rod still can continue mobile, thereby obtain the large displacement of sensitive switch, there is larger activity space, increased the scope of application of sensitive switch.
In addition, according to sensitive switch of the present utility model, can also there is following additional technical characterictic:
According to an embodiment of the present utility model, described push rod forms column, on the outer peripheral face of described push rod, is formed with retaining section, and the area of the orthographic projection of described retaining section on described fore shell is greater than the area of described installing hole.
Alternatively, described retaining section forms square baffle plate.
Further, also comprise: silica gel sheath, described silica gel sheath is set on described push rod, described silica gel sheath between described retaining section and described installing hole and the lower end of described silica gel sheath be only against on the upper surface of described fore shell.
According to an embodiment of the present utility model, described push rod is special-shaped bar.
According to an embodiment of the present utility model, described push rod comprises: pushing part, and described pushing part is arranged in described installing hole; Connecting portion, the first end of described connecting portion is connected with described pushing part; With diversion portion, described diversion portion is connected with the second end of described connecting portion, and the upper surface of the first end of described connecting portion is more than or equal to the upper surface of described the second end with respect to the height of described pushing part with respect to the height of described pushing part.
Alternatively, described connecting portion forms straight-bar, described connecting portion respectively with described pushing part and vertical being connected of described diversion portion.
Further, the second end of described connecting portion is connected with the lower end of described diversion portion, and the first end of described connecting portion is connected with the upper end of described pushing part.
According to an embodiment of the present utility model, described connecting portion forms bow, and the second end of described connecting portion is connected with described diversion portion, and the first end of described connecting portion is connected with described pushing part.
Alternatively, the height of the upper end of described diversion portion is greater than the height of the upper end of described pushing part, and the lower end of described diversion portion flushes with the lower end of described pushing part.
Further, the height of the first end of described connecting portion is greater than the height of described the second end.
According to an embodiment of the present utility model, described pushing part, connecting portion and described diversion portion are integrally formed.
According to the electric pressure cooker of the utility model second aspect, comprise according to the sensitive switch described in above-described embodiment.
Additional aspect of the present utility model and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is according to the structural representation of the sensitive switch of an embodiment of the utility model;
Fig. 2 is according to the structural representation of the sensitive switch of another embodiment of the present utility model;
Fig. 3 is according to the end view of sensitive switch in Fig. 2;
Fig. 4 is according to the structural representation of the sensitive switch of another embodiment of the present utility model;
Fig. 5 is according to the structural representation of the push rod of sensitive switch in Fig. 1;
Fig. 6 is according to the structural representation of the push rod of the sensitive switch of another embodiment of the utility model;
Fig. 7 is according to the structural representation of the sensitive switch of another embodiment of the present utility model;
Fig. 8 is according to the structural representation of the sensitive switch of another embodiment of the present utility model;
Reference numeral:
10: fore shell; 11: installing hole;
20: back cover;
30: securing supports;
40: active supporting piece;
50: stator; 51: the first contacts;
60: moving plate; 61: moving plate first end; 62: moving plate the second end; 63: the second contacts;
70: push rod; 71: pushing part; 711: lower end; 72(72a): connecting portion; 721(721a): first end; 722(722a) the second end; 73: diversion portion; 74: retaining section; 75: silica gel sheath;
80: elastic component;
90: spring leaf.
Embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " length ", " width ", " thickness ", " on ", orientation or the position relationship of the indication such as D score, " vertically ", " level ", " top ", " end " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is less than Second Characteristic.
First by reference to the accompanying drawings specifically describe according to the sensitive switch of the utility model first aspect embodiment below.
As shown in Figures 1 to 8, according to the sensitive switch of the utility model embodiment, comprise: fore shell 10, back cover 20, securing supports 30, active supporting piece 40, stator 50, moving plate 60, push rod 70 and elastic component 80.
Particularly, be formed with installing hole 11 on fore shell 10, back cover 20 is connected with fore shell 10.Securing supports 30 is arranged on fore shell 10, and active supporting piece 40 can be connected with securing supports 30 up or down.Stator 50 is arranged on fore shell 10, and stator 50 is provided with the first contact 51.The moving plate first end 61 of moving plate 60 is connected with active supporting piece 40, and moving plate second end 62 of moving plate 60 extends to stator 50 belows through securing supports 30, and moving plate second end 62 of moving plate 60 is provided with the second contact 63 coordinating with the first contact 51.
Wherein, between the second end 62 of securing supports 30 and moving plate 60, spring leaf 90 is also installed.
When sensitive switch remains static, elastic component 80 is in relaxed state, and the second contact 63 of moving plate 60 contacts with the first contact 51 of stator 50.When push rod 70 is during stressed moving down, first push rod 70 pushes elastic component 80 and applies certain active force downwards, elastic component 80 by force transmission to active supporting piece 40, Compressive activities strutting piece 40 moves down, and drive moving plate 60 to move down, thereby make the second contact 63 on moving plate 60 separated with the first contact 51 of stator 50, sensitive switch produces action.Now, push rod 70 can continue to move down, until elastic component 80 is extruded into maximum displacement.
Thus, according to the sensitive switch of the utility model embodiment, by elastic component 80 being set between push rod 70 and active supporting piece 40, elastic component 80 has certain cushioning effect, at push rod 70 extruding elastic components 80 and after reaching sensitive switch action, push rod 70 still can continue mobile, thereby obtains the large displacement of sensitive switch, there is larger activity space, increased the scope of application of sensitive switch.
Selection about elastic component 80 is not particularly limited, and can adopt the conventional technological means of those of ordinary skills.According to an embodiment of the present utility model, elastic component 80 is spring.Thus, spring structure is simple, and wide material sources, and good springiness are with low cost.
The environment for use of considering sensitive switch has more steam conventionally; for fear of the steam producing, from push rod 70 upper reaches, enter in sensitive switch; as shown in Figures 2 and 3; according to an embodiment of the present utility model; push rod 70 forms column; the area that is formed with the orthographic projection of 74， retaining section 74, retaining section on fore shell 10 on the outer peripheral face of push rod 70 is greater than the area of installing hole 11.Thus, have current lower times on push rod 70, due to the barrier effect of retaining section 74, current can not flow into installing hole 11 and enter in sensitive switch along the periphery wall of push rod 70, have guaranteed the safety in utilization of sensitive switch.
Particularly, about the shape of retaining section 74, be not particularly limited, as long as meet the openings of sizes that its size is greater than installing hole 11.Alternatively, as shown in Figure 2, according to an embodiment of the present utility model, retaining section 74 forms square baffle plate.
Further, as shown in Figure 4, according to an embodiment of the present utility model.Sensitive switch also comprises: silica gel sheath 75, silica gel sheath 75 is set on push rod 70, silica gel sheath 75 between retaining section 74 and installing hole 11 and the lower end of silica gel sheath 75 be only against on the upper surface of fore shell 10.Thus, by silica gel sheath 75 being set between pushing part 74 and installing hole 11, water on push rod 70 can be flow to the upper surface of fore shell 10 from the surface of silica gel sheath 75, and can not enter in installing hole 11, and the lower end of silica gel sheath 75 is connected on the upper surface of fore shell 10, block installing hole 11 and extraneous being communicated with, can effectively prevent that steam or current from entering in sensitive switch, further promoted the safety in utilization of sensitive switch.
It should be noted that, the shape of push rod 70 can rationally regulate according to the environment for use of sensitive switch, and preferably, according to an embodiment of the present utility model, as shown in Fig. 5 to Fig. 8, push rod 70 is special-shaped bar.Thus, the push rod 70 of special-shaped bar structure can coordinate with various structures, is applicable to various non-coaxial, non-isoplanar assembly relations, and can increase to a certain extent the activity space of sensitive switch.
Alternatively, as shown in Figure 5 and Figure 6, according to an embodiment of the present utility model, push rod 70 comprises: pushing part 71, connecting portion 72 and diversion portion 73.
Particularly, pushing part 71 is arranged in installing hole 11, and the lower end 711 of pushing part 71 is connected with elastic component 80.The first end 721 of connecting portion 72 is connected with pushing part 71, diversion portion 73 is connected with the second end 722 of connecting portion 72, and the upper surface of the first end 721 of connecting portion 72 is more than or equal to the upper surface of the second end 722 with respect to the height of pushing part 71 with respect to the height of pushing part 71.In other words, pushing part 71 and diversion portion 73 in the vertical directions are arranged spaced apart, the upper surface of the second end 722 being connected with diversion portion 73 is less than or equal to the upper surface of the first end 721 being connected with pushing part 71 with respect to the height of pushing part 71 with respect to the height of pushing part 71, that is to say the upper surface that the upper surface of first end 721 height is in the horizontal direction more than or equal to the second end 722 height in the horizontal direction.Thus, on push rod 70, there are current through out-of-date, under the cooperation of diversion portion 73 and connecting portion 72, because the upper surface of the first end 721 of connecting portion 72 is higher or contour with respect to the position of the upper surface of the second end 722, when the external world has current through diversion portion 73, the second end 722 that can be not lower from the relative position of connecting portion 72 flows to the higher or contour first end of relative position 721, thereby avoids current to flow to sensitive switch inside, has improved the safety in utilization of sensitive switch.
Shape about connecting portion 72 is not particularly limited, as long as can realize above-mentioned technique effect.Alternatively, as shown in Figure 2, according to an embodiment of the present utility model, connecting portion 72 forms straight-bar, and connecting portion 72 is connected with diversion portion 73 is vertical with pushing part 71 respectively.Further, the second end 722 of connecting portion 72 is connected with the lower end of diversion portion 73, and the first end 721 of connecting portion 72 is connected with the upper end of pushing part 71.Thus, this connecting portion 72 is simple in structure, prepares material few, cheap.
According to an embodiment of the present utility model, as shown in Figure 6, connecting portion 72a forms bow, and the second end 721a of connecting portion 72a is connected with diversion portion 73, and the second end 722a of connecting portion 72a is connected with pushing part 71.Preferably, the height of the upper end of diversion portion 73 is greater than the height of the upper end of pushing part 71, and the lower end of diversion portion 73 flushes with the lower end of pushing part 71.Further, the height of the first end 721a of connecting portion 72a is greater than the height of the second end 722a.Thus, the connecting portion 72a of this structure can drain into the current in diversion portion 73 end of diversion portion 73 better, has guaranteed the waterproof effect of sensitive switch.
Consider preparation cost problem, according to an embodiment of the present utility model, pushing part 71, connecting portion 72 and diversion portion 73 are integrally formed.Thus, the structure being integrally formed not only can guarantee the overall structure stability of push rod 70, and can reduce preparation difficulty, controls preparation cost.
Can also be as shown in Figure 7 and Figure 8 according to the special-shaped pusher structure of the sensitive switch of the utility model embodiment, the sensitive switch of this structure can be adaptive with multiple other structures, expanded the scope of application of sensitive switch, and can play waterproof action equally.According to the electric pressure cooker of the utility model second aspect embodiment, comprise according to the sensitive switch described in above-described embodiment.Thus, according to the electric pressure cooker of the utility model embodiment, the sensitive switch of its use not only has larger activity space, and can avoid the steam producing in electric pressure cooker to flow in sensitive switch along push rod 70, has improved the safety in utilization of electric pressure cooker integral body.
According to other configuration examples of the electric pressure cooker of the utility model embodiment, if pot cover and pot body etc. and operation are all known for those of ordinary skills, be not described in detail here.
In the description of this specification, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in the situation that not departing from principle of the present utility model and aim in scope of the present utility model, modification, replacement and modification.
Claims (13)
1. a sensitive switch, is characterized in that, comprising:
Fore shell, is formed with installing hole on described fore shell;
Back cover, described back cover is connected with described fore shell;
Securing supports, described securing supports is arranged on described fore shell;
Active supporting piece, described active supporting piece can be connected with described securing supports up or down;
Stator, described stator is arranged on described fore shell, and described stator is provided with the first contact;
Moving plate, the first end of described moving plate is connected with described active supporting piece, and the second end of described moving plate extends to described stator below through described securing supports, and the second end of described moving plate is provided with the second contact coordinating with described the first contact;
Push rod, described push rod is located in described installing hole, and the lower end of described push rod is connected with described active supporting piece; With
Elastic component, described elastic component is located between described push rod and described active supporting piece, and the first end of described elastic component and the lower end of described push rod be connected, and the second end of described elastic component is connected with described active supporting piece.
2. sensitive switch according to claim 1, is characterized in that, described push rod forms column, on the outer peripheral face of described push rod, is formed with retaining section, and the area of the orthographic projection of described retaining section on described fore shell is greater than the area of described installing hole.
3. sensitive switch according to claim 2, is characterized in that, described retaining section forms square baffle plate.
4. sensitive switch according to claim 2, it is characterized in that, also comprise: silica gel sheath, described silica gel sheath is set on described push rod, described silica gel sheath between described retaining section and described installing hole and the lower end of described silica gel sheath be only against on the upper surface of described fore shell.
5. sensitive switch according to claim 1, is characterized in that, described push rod forms special-shaped bar.
6. sensitive switch according to claim 5, is characterized in that, described push rod comprises:
Pushing part, described pushing part is arranged in described installing hole;
Connecting portion, the first end of described connecting portion is connected with described pushing part; With
Diversion portion, described diversion portion is connected with the second end of described connecting portion, and the upper surface of the first end of described connecting portion is more than or equal to the upper surface of described the second end with respect to the height of described pushing part with respect to the height of described pushing part.
7. sensitive switch according to claim 6, is characterized in that, described connecting portion forms straight-bar, described connecting portion respectively with described pushing part and vertical being connected of described diversion portion.
8. sensitive switch according to claim 7, is characterized in that, the second end of described connecting portion is connected with the lower end of described diversion portion, and the first end of described connecting portion is connected with the upper end of described pushing part.
9. sensitive switch according to claim 6, is characterized in that, described connecting portion forms bow, and the second end of described connecting portion is connected with described diversion portion, and the first end of described connecting portion is connected with described pushing part.
10. sensitive switch according to claim 9, is characterized in that, the height of the upper end of described diversion portion is greater than the height of the upper end of described pushing part, and the lower end of described diversion portion flushes with the lower end of described pushing part.
11. sensitive switches according to claim 10, is characterized in that, the height of the first end of described connecting portion is greater than the height of described the second end.
12. according to the sensitive switch described in any one in claim 6-11, it is characterized in that, described pushing part, connecting portion and described diversion portion are integrally formed.
13. 1 kinds of electric pressure cookers, is characterized in that, comprise according to the sensitive switch described in any one in claim 1-12.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453572.6U CN203406211U (en) | 2013-07-26 | 2013-07-26 | A microswitch and an electric pressure cooker containing the same |
| EP14830056.9A EP3024362B1 (en) | 2013-07-26 | 2014-07-28 | Electric pressure cooker |
| BR112015018300A BR112015018300A2 (en) | 2013-07-26 | 2014-07-28 | ELECTRIC PRESSURE COOKER |
| US14/764,848 US9872582B2 (en) | 2013-07-26 | 2014-07-28 | Electric pressure cooker |
| RU2015131708A RU2636296C2 (en) | 2013-07-26 | 2014-07-28 | Electric pressure cooker |
| PCT/CN2014/083151 WO2015010660A1 (en) | 2013-07-26 | 2014-07-28 | Electric pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320453572.6U CN203406211U (en) | 2013-07-26 | 2013-07-26 | A microswitch and an electric pressure cooker containing the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203406211U true CN203406211U (en) | 2014-01-22 |
Family
ID=49942135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320453572.6U Expired - Lifetime CN203406211U (en) | 2013-07-26 | 2013-07-26 | A microswitch and an electric pressure cooker containing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203406211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015010660A1 (en) * | 2013-07-26 | 2015-01-29 | Midea Group Co., Ltd. | Electric pressure cooker |
| CN106667244A (en) * | 2016-10-27 | 2017-05-17 | 珠海格力电器股份有限公司 | Electric pressure cooker |
-
2013
- 2013-07-26 CN CN201320453572.6U patent/CN203406211U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015010660A1 (en) * | 2013-07-26 | 2015-01-29 | Midea Group Co., Ltd. | Electric pressure cooker |
| US9872582B2 (en) | 2013-07-26 | 2018-01-23 | Midea Group Co., Ltd. | Electric pressure cooker |
| CN106667244A (en) * | 2016-10-27 | 2017-05-17 | 珠海格力电器股份有限公司 | Electric pressure cooker |
| CN106667244B (en) * | 2016-10-27 | 2019-04-02 | 珠海格力电器股份有限公司 | Electric pressure cooker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140122 |
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| CX01 | Expiry of patent term |