CN201549445U - Timer structure - Google Patents
Timer structure Download PDFInfo
- Publication number
- CN201549445U CN201549445U CN2009202743569U CN200920274356U CN201549445U CN 201549445 U CN201549445 U CN 201549445U CN 2009202743569 U CN2009202743569 U CN 2009202743569U CN 200920274356 U CN200920274356 U CN 200920274356U CN 201549445 U CN201549445 U CN 201549445U
- Authority
- CN
- China
- Prior art keywords
- electrode
- contact
- timer
- shell
- depression bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Cookers (AREA)
Abstract
The utility model relates to a timer structure applied to household appliances, which includes a housing, a knob cam, a first electrode, a second electrode, a third electrode and a fourth electrode; a timing motor is connected between the second electrode and the third electrode; the second and the third electrodes are an output electrodes; the first electrode and the fourth electrode are input electrodes; the lower end of the first electrode is connected with one end of an L-shaped spring leaf; a contact is arranged at the end part of the other end of the spring leaf and corresponds to a contact at the lower end of the second electrode; a position limiting slide block is arranged at the other end of the spring leaf; a position limiting neck is arranged on the knob cam; and a switch toggle mechanism is arranged on the housing. When a user doesn't close a cover in place, the external force generated by a product, such as an electric pressure cooker closing force, directly acts on the switch toggle mechanism, a pressure rod contact connected with the fourth electrode in the switch toggle mechanism and the third electrode contact are separated, the circuit of the timer cannot form a complete loop, and the timer and the electric pressure cooker don't work, thereby ensuring the safety of the product.
Description
Technical field
The utility model relates to technical field of electric appliances, relates in particular to a kind of timer construction that is applied to household electrical appliance.
Background technology
Existing household electrical appliance such as electric pressure cooker, most pot cover pot bodies that adopt separate, and electrodynamic timer is as the frame mode of time control.Under this frame mode, put in place and be unlikely to produce potential safety hazard under the error situation of just cooking not closing lid in order to prevent the user, a lot of designers have adopted and have increased sensitive switch close the scheme that lid detects on the pot body.The cost of this scheme is 1, increases the cost of a sensitive switch and wire harness thereof, and 2, the user has lacked one does not have the cooking of pressure (electric chafing dish) function.
The utility model content
The purpose of this utility model is to overcome above-mentioned weak point of the prior art, and a kind of reliable and safe timer construction that having concurrently of electric pressure cooker closed lid protection chain function that is applied to is provided.
The purpose of this utility model can reach by following measure:
This timer construction, comprise shell, knob cam in the enclosure is set, the shell upper end is provided with first electrode successively, second electrode, third electrode, also be provided with the 4th electrode on the shell, be connected with regularly motor between second electrode and the third electrode, first electrode, second electrode, third electrode and the 4th electrode lower end are all stretched in the shell, the knob cam is connected with external knob, second electrode, third electrode is an output electrode, first electrode, the 4th electrode is an input electrode, the first electrode lower end is connected with a L type shell fragment one end, the shell fragment other end is a free end, this free end is positioned on the knob cam, the free end end is provided with the contact, the contact of this contact and the second electrode lower end is oppositely arranged, described free end middle part is provided with the position limiting slide block of a band projection, the knob cam is provided with spacing draw-in groove, described position limiting slide block projection is connected or breaks away from buckle with described spacing draw-in groove buckle and connects to control the disconnection and the connection of the shrapnel contact and second electrode contacts in knob cam rotary course, its special character is that described timer construction comprises that also one is used to control the switch toggle mechanism of this timer power on/off.
The purpose of this utility model can also reach by following measure:
Described switch toggle mechanism is arranged on and is positioned at third electrode one side on the timer; The third electrode lower end is provided with vertical contact; This switch toggle mechanism comprises: described the 4th electrode, button, depression bar, arc spring lamination, described the 4th electrode are horizontally installed on the side wall of outer shell lower end and are connected with external circuit; Described button is arranged on the side wall of outer shell and is positioned at the 4th electrode below or top, and button can come back to slide under external force on side wall of outer shell; Described depression bar vertically is provided with in the enclosure, and one end and button touch, and its other end end is provided with the contact, and terminal contacts is oppositely arranged and touches mutually under this contact and the third electrode; Described arc spring lamination is connected between the depression bar other end and the 4th electrode, when masterpiece is used for making on the button button to slidably reciprocate outside, depression bar is that fulcrum is swung in vertical direction with the tie point of this depression bar other end and arc spring lamination, with the contact of depression bar and contacting and disconnection of third electrode contact kick mode controlled and the 4th electrode is connected in series.
Described first electrode, second electrode are successively set on the shell upper end, and third electrode and the 4th electrode are arranged on the side wall of outer shell, are connected with regularly motor between third electrode and the 4th electrode; Described switch toggle mechanism comprises the mechanical switch that is arranged on the side wall of outer shell, and this mechanical switch is connected in series with second electrode and third electrode respectively.
The utility model has following advantage compared to existing technology: the switch toggle mechanism is set on the timer shell, closed lid the user, but close lid when not in place, external force that is produced by product such as electric pressure cooker close Gai Li and directly act on this switch toggle mechanism, cut off contacting of depression bar contact and this two contact, third electrode contact in the switch toggle mechanism, make timer circuit can not constitute a loop of finishing, thereby timer and electric pressure cooker are not worked, guaranteed reliability of products and fail safe.
Description of drawings
Fig. 1 is the utility model embodiment one timer initial condition structural representation.
Fig. 2 the utility model embodiment one timer circuit theory diagrams.
Fig. 3 is the utility model embodiment two timer initial condition structural representations.
Fig. 4 is the utility model embodiment two timer circuit schematic diagrams.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing:
Embodiment one, as shown in Figure 1, this timer construction that the utility model provides, comprise shell 10, be arranged on the knob cam 9 in the shell 10, shell 10 upper ends are provided with first electrode 1 and second electrode 2 successively, third electrode 3, also be provided with the 4th electrode 12 on the shell 10, be connected with regularly motor between second electrode 2 and the third electrode 3, first electrode 1 and second electrode 2, third electrode 3 and the 4th electrode 12 lower ends are all stretched in the shell 10, knob cam 9 is connected with external knob, second electrode 2, third electrode 3 is output electrode, first electrode 1, the 4th electrode 12 is an input electrode, first electrode, 1 lower end is connected with a L type shell fragment 6 one ends, shell fragment 6 other ends are free end, this free end is positioned on the knob cam 9, its middle part is provided with the position limiting slide block 7 of a band projection, the projection of position limiting slide block 7 contacts with knob cam 9 external peripheral surfaces in knob cam 9 rotary courses, this free end end is provided with contact 8, the contact 4 of this contact 8 and second electrode, 2 lower ends is oppositely arranged and touches mutually, knob cam 9 is provided with spacing draw-in groove, position limiting slide block 7 projectioies are connected or break away from buckle with spacing draw-in groove buckle and connect disconnection and connection with control shell fragment 6 contacts 8 and second electrode, 2 contacts 4 in knob cam 9 rotary courses, also be provided with a switch toggle mechanism that is used to control this timer power on/off on timer.
In the present embodiment, the switch toggle mechanism is arranged on and is positioned at third electrode 3 one sides on the timer; Third electrode 3 lower ends are provided with vertical contact 15; This switch toggle mechanism comprises: described the 4th electrode 12, button 11, depression bar 13, arc spring lamination 14, the four electrodes 12 are the Z type, and it is horizontally installed on shell 10 sidewalls, 5 lower ends and is connected with external circuit; Button 11 is arranged on shell 10 sidewalls 5 and is positioned at the 4th electrode 12 belows, and button 11 can slidably reciprocate on shell 10 sidewalls under external force; Depression bar 13 vertically is arranged in the shell 10, and one end and button 11 touch, and its other end end is provided with contact 16, and this contact 16 is oppositely arranged with 3 times terminal contacts 15 of third electrode; Arc spring lamination 14 is connected between depression bar 13 other ends and the 4th electrode 12, when masterpiece is used for making on the button 11 button 11 to slidably reciprocate outside, depression bar 13 is that fulcrum is swung in vertical direction with the tie point of these depression bar 13 other ends and arc spring lamination 14, with the contact 16 of depression bar 13 and contacting and disconnection of third electrode 3 contacts, 15 kick modes controlled and the 4th electrode 12 is connected in series.In the present embodiment, the effect of arc spring lamination 14 is: under external force, make depression bar 13 contacts 16 and third electrode 3 contacts 15 can realize connecting fast or quick break function, satisfy need of work.
In other embodiments, button 11 also can be arranged on the position that is positioned at the 4th electrode 12 tops on shell 10 sidewalls.
Effect when the switch toggle mechanism is applied to electric pressure cooker in the present embodiment is: closed lid the user, but close lid when not in place, external force that is produced by product such as electric pressure cooker close Gai Li and directly act on this switch toggle mechanism, depression bar 13 contacts 16 that are connected in series with the 4th electrode 12 in the partition switch toggle mechanism contact with third electrode 3 15 these two contacts, contact, make timer circuit can not constitute a loop of finishing, thereby timer and electric pressure cooker are not worked.
Operation principle of the present utility model is:
As shown in Figure 1 and Figure 2, it is the essential condition that timer can operate as normal that first electrode 1 and second electrode 2 are connected, when external force acts on button 11, because button 11 slidably reciprocating on shell 10 sidewalls 5, making depression bar 13 is that fulcrum rotates in vertical direction with the tie point of these depression bar 13 other ends and arc spring lamination 14, depression bar 13 contacts 16 that control is connected in series with the 4th electrode 12 contact and disconnection with third electrode 3 contacts 15, thereby the break-make of control timer entire circuit reaches the whether purpose of operate as normal of control timer.
As shown in Figure 1, timer is in initial condition, and depression bar 13 contacts 16 contact with third electrode 3 contacts 15, and when the knob cam 9 on the timer was in original position, the projection of first shell fragment, 6 upper limit slide blocks 7 was buckled in the spacing draw-in groove of knob cam 9.Knob on timer is outwarded winding and is set certain hour to timer, such as the heating time of setting voltage power pot, at this moment, knob cam 9 begins to rotate, the projection of first shell fragment, 6 upper limit slide blocks 7 breaks away from the spacing draw-in groove of knob cam 9, knob cam 9 outwards ejects the position limiting slide block 7 on first shell fragment 6, first shell fragment 6 is moved upward, contact 4 on second shell fragment 13 of second electrode, 2 lower ends contacts with the contact 8 on first shell fragment 6, first electrode 1 and second electrode 2 are connected, and therefore, this moment is when the knob on the rotary timer, timer can be worked, and output has supply voltage output.
At this moment, if impose 11 1 inside external force of vertical enclosure 10 sidewalls of button from the outside, in the process of sliding inwards along with button 11, depression bar 13 is under the elastic force effect of arc spring lamination 14, depression bar 13 is that fulcrum is swung in vertical direction with itself and arc spring lamination 14 tie points, and depression bar 13 contacts 16 that are connected in series with the 4th electrode 12 are separated with third electrode 3 contacts 15, thereby makes the whole loop of timer disconnect, timer cisco unity malfunction, output do not have supply voltage output.
Embodiment two, as shown in Figure 3, present embodiment is with the difference of embodiment one: switch toggle mechanism and timer second electrode 2 (corresponding to the timer switch position) and regularly the relative link position of motor is different.In the present embodiment, first electrode 1, second electrode 2 are successively set on shell 10 upper ends, and third electrode 3 and the 4th electrode 12 are arranged on shell 10 sidewalls, are connected with regularly motor between third electrode 3 and the 4th electrode 12; First electrode 1 is an input electrode, and third electrode 3 is an output electrode, and the 4th electrode 12 is a common electrode, and described switch toggle mechanism is the mechanical switch 17 that is arranged on shell 10 sidewalls, and this mechanical switch 17 is connected in series with second electrode 2 and third electrode 3 respectively.Other is identical with embodiment one.
The operation principle of present embodiment is:
As shown in Figure 3, Figure 4, adopt the bilateral deenergizing.Have only after first electrode 1 and 2 connections of second electrode and second electrode 2 and third electrode 3 connections, third electrode 3 and the 4th electrode 12 just have supply voltage output, whole timer ability operate as normal, otherwise this timer is with cisco unity malfunction.First electrode relies on the contact 4 on second electrode 2 to contact with shell fragment 6 upper contacts 8 with conductive communication between second electrode 2, third electrode 3 is controlled by the mechanical switch 17 that is arranged between second electrode 2 and the third electrode 3 with the conducting that is connected between second electrode 2, act on that mechanical switch 17 control mechanical switchs 17 disconnect and closed by external force, thus the disconnection that realizes third electrode 3 and second electrode 2 be connected conducting.When timer is in initial condition, mechanical switch place 17 is in closure state, third electrode 3 and 2 conductings of second electrode, when external force acts on mechanical switch 17, the third electrode 3 and second electrode 2 disconnect, and so just can control the work that mechanical switch 17 comes condition interlocking timer and electric pressure cooker by external force.
When the utility model timer is applied to electric pressure cooker, can be used in combination with the lid that closes of electric pressure cooker, it is the external force that imposes the switch toggle mechanism that electric pressure cooker is closed the masterpiece that produces when covering, reach thus and have only pot cover and pot body to buckle tooth to overlap area and reach the purpose that just began normal heating, normally boosts at 85% o'clock, can improve the safe application performance of electric pressure cooker.
The above only is preferred embodiment of the present utility model, and all equalizations of being done according to the utility model claim scope change and modify, and all should belong to the covering scope of the utility model claim.
Claims (3)
1. timer construction, comprise shell, knob cam in the enclosure is set, shell is provided with first electrode, second electrode, third electrode, the 4th electrode, first electrode, second electrode, third electrode and the 4th electrode lower end are all stretched in the shell, the knob cam is connected with external knob, second electrode, third electrode is an output electrode, first electrode, the 4th electrode is an input electrode, the first electrode lower end is connected with a L type shell fragment one end, the shell fragment other end is a free end, this free end is positioned on the knob cam, the free end end is provided with the contact, the contact of this contact and the second electrode lower end is oppositely arranged, described free end middle part is provided with the position limiting slide block of a band projection, the knob cam is provided with spacing draw-in groove, described position limiting slide block projection is connected or breaks away from buckle with described spacing draw-in groove buckle and connects to control the disconnection and the connection of the shrapnel contact and second electrode contacts in knob cam rotary course, it is characterized in that described timer construction comprises that also one is used to control the switch toggle mechanism of this timer power on/off.
2. timer construction according to claim 1 is characterized in that, described first electrode, second electrode and third electrode are successively set on the shell upper end, is connected with regularly motor between second electrode and the third electrode; Described switch toggle mechanism is arranged on and is positioned at third electrode one side on the timer; The third electrode lower end is provided with vertical contact; This switch toggle mechanism comprises: described the 4th electrode, button, depression bar, arc spring lamination, described the 4th electrode are horizontally installed on the side wall of outer shell lower end and are connected with external circuit; Described button is arranged on the side wall of outer shell and is positioned at the 4th electrode below or top, and button can come back to slide under external force on side wall of outer shell; Described depression bar vertically is provided with in the enclosure, and one end and button touch, and its other end end is provided with the contact, and terminal contacts is oppositely arranged and touches mutually under this contact and the third electrode; Described arc spring lamination is connected between the depression bar other end and the 4th electrode, when masterpiece is used for making on the button button to slidably reciprocate outside, depression bar is that fulcrum is swung in vertical direction with the tie point of this depression bar other end and arc spring lamination, with contacting and disconnection of control and the depression bar contact that is connected in series of the 4th electrode and third electrode contact kick mode.
3. timer construction according to claim 1 is characterized in that, described first electrode, second electrode are successively set on the shell upper end, and third electrode and the 4th electrode are arranged on the side wall of outer shell, is connected with regularly motor between third electrode and the 4th electrode; Described switch toggle mechanism is the mechanical switch that is arranged on the side wall of outer shell, and this mechanical switch is connected in series with second electrode and third electrode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202743569U CN201549445U (en) | 2009-11-10 | 2009-11-28 | Timer structure |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920260233.X | 2009-11-10 | ||
| CN2009202743569U CN201549445U (en) | 2009-11-10 | 2009-11-28 | Timer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201549445U true CN201549445U (en) | 2010-08-11 |
Family
ID=42604624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202743569U Expired - Lifetime CN201549445U (en) | 2009-11-10 | 2009-11-28 | Timer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201549445U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559927A (en) * | 2018-11-21 | 2019-04-02 | 中国航发北京航科发动机控制系统科技有限公司 | A kind of adjustable rotary motion trigger device of trigger angle |
| CN110882062A (en) * | 2019-11-15 | 2020-03-17 | 衢州有成医疗器械有限公司 | High-temperature steam disinfection scalpel storage cabinet |
| CN111130066A (en) * | 2020-01-10 | 2020-05-08 | 建德希傅电子科技有限公司 | Timing charging device capable of prolonging service life of lithium battery |
-
2009
- 2009-11-28 CN CN2009202743569U patent/CN201549445U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109559927A (en) * | 2018-11-21 | 2019-04-02 | 中国航发北京航科发动机控制系统科技有限公司 | A kind of adjustable rotary motion trigger device of trigger angle |
| CN110882062A (en) * | 2019-11-15 | 2020-03-17 | 衢州有成医疗器械有限公司 | High-temperature steam disinfection scalpel storage cabinet |
| CN110882062B (en) * | 2019-11-15 | 2020-09-08 | 孙辉 | High-temperature steam disinfection scalpel storage cabinet |
| CN111130066A (en) * | 2020-01-10 | 2020-05-08 | 建德希傅电子科技有限公司 | Timing charging device capable of prolonging service life of lithium battery |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202871603U (en) | Circuit protector | |
| CN204899515U (en) | Microwave oven interlocking switching device and microwave oven | |
| CN103053003A (en) | Switch for preventing inrush current shock and cutting off standby power | |
| CN206116758U (en) | Prevent electric spark safety socket | |
| CN201549445U (en) | Timer structure | |
| CN201312728Y (en) | Electric pressure cooker | |
| CN202373525U (en) | Contact structure of double-breakpoint and low-voltage contactor adopting flexible connection device | |
| CN105244705B (en) | A kind of multiconductor protection against electric shock waterproof safety electric power plug socket | |
| CN201549443U (en) | Timer | |
| CN201549444U (en) | timer | |
| CN107359081B (en) | A kind of method and switching device of motor driven bridging contact on-load switch | |
| CN207425733U (en) | A kind of motor drives bridging contact on-load switch | |
| CN201584328U (en) | Gate control switch | |
| CN203055735U (en) | Double control power switch | |
| CN206849712U (en) | A kind of high-voltage electrical apparatus switch | |
| CN106783412A (en) | Series type energy-saving double winding high-voltage DC contactor | |
| CN206301747U (en) | Series type energy-saving double winding high-voltage DC contactor | |
| CN203312117U (en) | Magnetic induction slide switch | |
| CN206301746U (en) | Parallel energy-saving double winding high-voltage DC contactor | |
| CN207319972U (en) | A kind of underwater electric switch | |
| CN206388647U (en) | A kind of dual temperature control switch | |
| CN201781472U (en) | Intelligent electronic switch | |
| CN202405174U (en) | High current temperature controller | |
| CN205123405U (en) | Automatic switching control ware | |
| CN204760250U (en) | Travel switch device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG ASD LIVING ELECTRICAL APPLIANCE CO., LTD. Free format text: FORMER OWNER: DONGGUAN BUBUGAO ELECTRICAL APPLIANCES CO., LTD. Effective date: 20110906 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 523860 DONGGUAN, GUANGDONG PROVINCE TO: 314112 JIAXING, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110906 Address after: 314112, Qian Tang Road, Huimin street, Jiashan County, Zhejiang Province, 18 Patentee after: Zhejiang Taizhou Aishida Electrical Equipment Co., Ltd. Address before: 523860 Guangdong Province, Dongguan city Changan town usha BBK Avenue P.O. Box 23 Patentee before: Dongguan Bubugao Electrical appliances Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
|
| CX01 | Expiry of patent term |