CN104196363A - Door interlocking structure - Google Patents

Door interlocking structure Download PDF

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Publication number
CN104196363A
CN104196363A CN201410417867.7A CN201410417867A CN104196363A CN 104196363 A CN104196363 A CN 104196363A CN 201410417867 A CN201410417867 A CN 201410417867A CN 104196363 A CN104196363 A CN 104196363A
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CN
China
Prior art keywords
door
gate
support
microswitch
interlock
Prior art date
Application number
CN201410417867.7A
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Chinese (zh)
Other versions
CN104196363B (en
Inventor
余科帆
付远华
曹骥
茅忠群
诸永定
Original Assignee
宁波方太厨具有限公司
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Priority to CN201410417867.7A priority Critical patent/CN104196363B/en
Publication of CN104196363A publication Critical patent/CN104196363A/en
Application granted granted Critical
Publication of CN104196363B publication Critical patent/CN104196363B/en

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Abstract

A door interlocking structure comprises a door body and a box front board. A door hook is installed on the door body, a door interlocking support is installed on the box front board, and a microswitch is installed on the door interlocking support. The door interlocking structure is characterized in that a door hook support is installed on the door body, the door hook is arranged on the door hook support in a rotating mode, a rotating block capable of triggering the microswtich is installed on the door interlocking support, a first elastic component is arranged between the door hook support and the door hook and used for compressing the door hook so as to make the rotating block have the tendency of continuously triggering the microswtich, and the door interlocking support is further provided with a second elastic component used for making the rotating block which triggers the microswtich have the reverse rotating tendency so as to be separated from the microswtich. The door interlocking structure has the advantages that when a door is closed, the first elastic component can compress the door hook and enables the rotating block to trigger the microswtich, the door can not be easily opened, and safety is high. In addition, under action of the second elastic component, the door bears the reverse acting force from the rotating block when the door is closed, and bears thrust from the rotating block when the door is opened, and the door can be opened and closed more comfortably.

Description

A kind of gate interlock structure
Technical field
The present invention relates to a kind of gate interlock structure that is applicable to micro-wave oven, electric steam box and electric oven.
Background technology
In the kitchen appliances such as existing micro-wave oven, electric steam box and electric oven, be generally all designed to the door-opening mode of sliding door type, for this door-opening mode, all there is corresponding gate interlock structure.The cabinet front plate that the gate interlock structure of existing routine generally comprises a body and coordinates with door body is provided with gate stop on door body, and gate interlock support is installed on cabinet front plate, and the microswitch being triggered by gate stop is installed on gate interlock support.If the patent No. is the Chinese utility model patent disclosed " universal oven port interlocking mechanism for microwave oven " of ZL 201020545967.5 (notice of authorization number is CN 201925981 U), this interlocking mechanism comprises switch base, gate stop and header board, on switch base, can place multiple switches, the position of corresponding each switch is provided with the action key of this switch of operation, gate stop is located on the fire door of micro-wave oven and opening with fire door, Guan Eryu this switch base combination or disengaging, this gate stop has at least one hook portion, for triggering these switches by touching these action keys, header board is for being fixed on switch base the cavity of micro-wave oven.Although, this versatible furnace door interlocking mechanism can directly use as sliding door type interlocking mechanism, but the action key of the hook portion of gate stop and microswitch is directly touching, lack each other buffering, cause opening the door and close the door comfortablely not, experience sense is poor, and under door closure state, this interlocking mechanism lacks the locking structure to gate stop, thereby fire door closes and be easily opened afterwards, thereby reduces safety in utilization.
Summary of the invention
First technical problem to be solved by this invention is for above-mentioned prior art present situation, and a kind of gate interlock structure of opening the door and closing the door more comfortable, safe is provided.
So second technical problem that the present invention solves is for above-mentioned prior art present situation, and a kind of gate interlock structure that can effectively prevent microwave leakage is provided.
The present invention solves the technical scheme that above-mentioned first technical problem adopts: this gate interlock structure, the cabinet front plate that comprises a body and coordinate with door body, on described door body, gate stop is installed, gate interlock support is installed on described cabinet front plate, on described gate interlock support, the microswitch being triggered by described gate stop is installed, it is characterized in that: described gate stop is arranged on the top of a body, on described door body, gate stop support is also installed, described gate stop is arranged on described gate stop support rotationally, on described gate interlock support, the moving block that can trigger microswitch is also installed, between described gate stop support and gate stop, be provided with and oppress gate stop also and then make moving block there is the first elastic component that continues to trigger microswitch trend, on described gate interlock support, be also provided with that the moving block that has triggered microswitch described in making has the trend of rotating backward and the second elastic component of departing from microswitch.
Preferably, the rear side of described gate stop bottom is connected on gate stop support rotationally, the middle part of described gate stop has opening groove forward, there is the projection of horizontal forward extension in the bottom of groove, the first described elastic component is the spring being set on described projection, the front end of described spring is resisted against on described gate stop support, the rear end of spring is resisted against the bottom of described groove, the top of described gate stop has the catch that level extends back, the front side of described moving block bottom is provided with the retaining wall matching with described catch, the rearward end of described moving block is provided with the collision block for triggering described microswitch, under door body closed condition, described catch is resisted against on described retaining wall, and described collision block triggers described microswitch.
Further preferably, the bottom of described moving block the front that is positioned at described retaining wall have grab, on described catch, have spacing hole, under door body closed condition, described grab is fastened in described spacing hole and collides with the rear wall of spacing hole after rotating with moving block.Like this, after door body is closed, under the effect of grab, door body can not be opened easily, and safety is higher.
Further preferred, on the front side wall of described gate interlock support, have the jack inserting for described catch.Like this, after door body is closed, catch is just plugged in jack.
The second elastic component can have various structures, preferably, the second described elastic component is reset button spring, the first end of described reset button spring is fixed on described moving block, the other end is fixed on described gate interlock support, and under door body closed condition, described reset button spring is stressed and make moving block have counter-rotational trend.
The present invention solves the technical scheme that above-mentioned second technical problem adopt, each side be provided with gate stop and the gate stop support described at described door body top, accordingly, each side be provided with the gate interlock support described at described cabinet front plate, the first microswitch and the second microswitch that are triggered successively are all installed in described each gate interlock support, and the first microswitch and the second microswitch that are positioned at two gate interlock supports are all connected in series mutually.Like this; whole gate interlock structure just has four microswitches of series connection mutually; thereby play the effect of quadruple safeguard protection; especially in the time that this gate interlock structure is applicable to micro-wave oven; open the door and can guarantee that micro-wave oven quits work immediately; thereby effectively prevent microwave leakage, than being located at the one-sided gate interlock structure of a body, safety is higher.
In order further to improve the effect of locking a door of gate interlock structure, the inner side that is positioned at gate stop on described door body is respectively provided with a knocker, accordingly, the inner side that is positioned at gate interlock support on described cabinet front plate is respectively provided with a door latch matching with described knocker, under door body closed condition, described door latch is pushed down corresponding knocker.
In order to make door latch and the knocker can be sealed better, the position that described door latch contacts with knocker is provided with roller, the dorsal part of described door latch is provided with button spring, insert the knocker of door latch and make described button spring stressed, described button spring after stressed reacts on door latch and makes described roller push down knocker.
As above-mentioned arbitrary scheme preferably, the both sides of described door body bottom are respectively articulated with the both sides of bottom half by door hinge.
Compared with prior art, the invention has the advantages that: the gate stop of this gate interlock structure is arranged on gate stop support rotationally, the moving block that can trigger microswitch is installed on gate interlock support, at closing time, the first elastic component between gate stop support and gate stop can be oppressed gate stop, hard pressed gate stop props up moving block and makes moving block trigger microswitch, and under the effect of the first elastic component, door body can not be opened easily, thereby safety is higher, in addition, in gate interlock support, be also provided with second elastic component that can make moving block there is the trend of rotating backward, thereby door body is subject to the opposition of moving block at closing time, while opening the door, door physical efficiency is taken advantage of a situation and is subject to the thrust of moving block, thereby it is more comfortable to make to open the door and close the door, the experience sense of lifting switch door.
Brief description of the drawings
Fig. 1 is the partial structurtes schematic diagram of door body after opening in the embodiment of the present invention;
Fig. 2 is the enlarged diagram of A portion in Fig. 1;
Fig. 3 is the structural representation (remove box side) of door body after closing in the embodiment of the present invention;
Fig. 4 is the structural representation (removing roof box) that in the embodiment of the present invention, door body is closed rear another angle;
Fig. 5 is the enlarged diagram of B portion in Fig. 4;
Fig. 6 is the mounting structure schematic diagram of the embodiment of the present invention;
Fig. 7 is the local mounting structure schematic diagram of the embodiment of the present invention;
Fig. 8 is the perspective exploded view of gate stop, gate interlock support, moving block and the microswitch of the embodiment of the present invention;
Fig. 9 is structural representation when microswitch is not triggered in the embodiment of the present invention;
Figure 10 is structural representation when microswitch is triggered in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment is described in further detail the present invention.
As shown in Figures 1 to 6, what the gate interlock structure in the present embodiment adopted is the door-opening mode of pull-down, the both sides of door body 1 bottom are respectively articulated with the both sides of casing 11 bottoms by door hinge 10, this gate interlock structure goes in the kitchen appliance equipment such as micro-wave oven, electric oven and electric steam box.This gate interlock structure comprise door body 1 that can be drop-down and match with door body and be positioned at cabinet front plate 2, each side be provided with a gate stop 3 and gate stop support 4 at the top of door body 1, each side be provided with a gate interlock support 5 at cabinet front plate 2, moving block 6, the first microswitch 71, the second microswitch 72 are installed on each gate interlock support 5, and moving block 6 rotates and triggers successively the first microswitch 71, the second microswitch 72 under the effect of gate stop 3.In addition, totally four microswitches on above-mentioned two gate interlock supports 5 are connected in series, and like this, particularly, for micro-wave oven, while opening the door, as long as a microswitch disconnects, micro-wave oven just quits work, thereby effectively avoids microwave leakage, improves safety in utilization.
As shown in Figure 7 to 10, gate stop 3 is arranged on corresponding gate stop support 4 rotationally, particularly, the rear side of gate stop 3 bottoms is connected on gate stop support 4 rotationally by rotating shaft 35, the middle part of gate stop 3 has opening groove 31 forward, has the projection 32 of horizontal forward extension in the bottom of groove 31.The first elastic component in the present embodiment is the spring 91 being set on projection 32, the front end of spring 91 is resisted against on gate stop support 4, the rear end of spring 91 is resisted against the bottom of groove 31, under door body closed condition, spring 91 is oppressed gate stop 3 in compressive state, after 3 compressing moving blocks 6 of gate stop rotate moving block 6, has the trend that continues to trigger microswitch.The top of gate stop 3 has the catch 33 that level extends back, the front side of moving block 6 bottoms is provided with the retaining wall 61 matching with catch 33, the rearward end of moving block 6 has the collision block 63 for triggering the first microswitch 71 and the second microswitch 72, on the first microswitch 71 and the second microswitch 72, is provided with the action key 73 coordinating with collision block 63.Under door body closed condition, catch 33 is resisted against on retaining wall 61, and the collision block 63 of moving block 6 triggers the on & off switch 73 of corresponding microswitch.In addition, in the bottom of moving block 6 and the front that is positioned at retaining wall 61 there is grab 62, on catch 33, have spacing hole 34, under door body closed condition, grab 62 is fastened in spacing hole 34 and collides with the rear wall of spacing hole 34 after rotating with moving block 6.Catch 33 adopts after spacing hole 34 structures, and door body 1 can not be opened easily after closing, and safety in utilization improves greatly.In addition, have the jack 51 inserting for catch 33 on the front side wall of gate interlock support 5, when door body 1 is closed, catch 33 inserts in jack 51.
Second elastic component of the present embodiment is reset button spring 92, the first end of reset button spring 92 is fixed on moving block 6, the other end is fixed on gate interlock support 5, and under door body closed condition, reset button spring 92 is stressed and make moving block 6 have the trend that rotates backward and depart from microswitch.
In order to improve the effect of locking a door, in the present embodiment, the inner side that is positioned at gate stop 3 on door body 1 is respectively provided with a knocker 81, accordingly, the inner side that is positioned at gate interlock support 5 on cabinet front plate 2 is respectively provided with a door latch 82 matching with knocker 81, the position that door latch 82 contacts with knocker 81 is provided with roller 83, and the dorsal part of door latch 82 is provided with button spring 84.At closing time, insert the knocker 81 of door latch 82 and make button spring 84 stressed, the button spring 84 after stressed reacts on door latch 82 and makes roller 83 push down knocker 81, thereby completes door latch 82 and push down the action of corresponding knocker 81.
The course of action of this gate interlock structure is as follows:
When door closes, the moving block 6 on gate interlock support 5, along with the insertion of gate stop 3, slowly rotates, and first pushes down two the first microswitches 71, and knocker 81 contacts with door latch 82, and up rotation of door latch 82 simultaneously, enters knocker 81, and button spring 84 is subject to force compresses simultaneously; While closing Deng gate inhibition, two the second microswitches 72 are also rotated piece 6 and compress, and machine energising and display screen are lighted, and meanwhile, the pressure that button spring 84 is subject to reacts on door latch 82, and door latch 82 is pushed down knocker 81, to guarantee that door closes, and reaches the effect of locking a door.
When door is opened, along with gate stop 3 leaves moving block 6, moving block 6 is because original state is got back in the effect of reset button spring 92, and moving block 6 rotates backward to the state in leaving the first microswitch 71 and the second microswitch 72, the power supply of machine is cut off, and machine quits work.
The foregoing is only the preferred embodiment of the present invention; it should be pointed out that for those of ordinary skills, do not departing under principle prerequisite of the present invention; can carry out multiple remodeling or improvement to the present invention, within these are all regarded as protection scope of the present invention.

Claims (9)

1. a gate interlock structure, the cabinet front plate (2) that comprises a body (1) and coordinate with door body, on described door body (1), gate stop (3) is installed, gate interlock support (5) is installed on described cabinet front plate (2), the microswitch being triggered by described gate stop (3) is installed on described gate interlock support (5), it is characterized in that: described gate stop (3) is arranged on the top of a body (1), on described door body (1), gate stop support (4) is also installed, described gate stop (3) is arranged on described gate stop support (4) rotationally, the moving block (6) that can trigger microswitch is also installed on described gate interlock support (5), between described gate stop support (4) and gate stop (3), be provided with and oppress gate stop (3) also and then make moving block (6) there is the first elastic component that continues to trigger microswitch trend, on described gate interlock support (5), be also provided with that the moving block (6) that has triggered microswitch described in making has the trend of rotating backward and the second elastic component of departing from microswitch.
2. gate interlock structure according to claim 1, it is characterized in that: the rear side of described gate stop (3) bottom is connected on gate stop support (4) rotationally, the middle part of described gate stop (3) has opening groove (31) forward, there is the projection (32) of horizontal forward extension in the bottom of groove (31), the first described elastic component is for being set in the spring (91) on described projection (32), the front end of described spring (91) is resisted against on described gate stop support (4), the rear end of spring (91) is resisted against the bottom of described groove (31), the top of described gate stop (3) has the catch (33) that level extends back, the front side of described moving block (6) bottom is provided with the retaining wall (61) matching with described catch (33), the rearward end of described moving block (6) is provided with the collision block (63) for triggering described microswitch, under door body closed condition, described catch (33) is resisted against on described retaining wall (61), and described collision block (63) triggers described microswitch.
3. gate interlock structure according to claim 2, it is characterized in that: the bottom of described moving block (6) the front that is positioned at described retaining wall (61) have grab (62), on described catch (33), have spacing hole (34), under door body closed condition, described grab (62) is fastened in described spacing hole (34) and collides with the rear wall of spacing hole (34) after rotating with moving block (6).
4. gate interlock structure according to claim 2, is characterized in that: on the front side wall of described gate interlock support (5), have the jack (51) inserting for described catch (33).
5. gate interlock structure according to claim 1, it is characterized in that: the second described elastic component is reset button spring (92), the first end of described reset button spring (92) is fixed on described moving block (6), the other end is fixed on described gate interlock support (5), and under door body closed condition, described reset button spring (92) is stressed and make moving block (6) have counter-rotational trend.
6. gate interlock structure according to claim 1, it is characterized in that: be each side provided with gate stop (3) and the gate stop support (4) described at described door body (1) top, accordingly, each side be provided with the gate interlock support (5) described at described cabinet front plate (2), the first microswitch (71) and the second microswitch (72) that are triggered successively are all installed in described each gate interlock support (5), and the first microswitch (71) and the second microswitch (72) that are positioned at two gate interlock supports (5) are all connected in series mutually.
7. gate interlock structure according to claim 6, it is characterized in that: the inner side that is positioned at gate stop (3) on described door body (1) is respectively provided with a knocker (81), accordingly, the inner side that is positioned at gate interlock support (5) on described cabinet front plate (2) is respectively provided with a door latch (82) matching with described knocker (81), under door body closed condition, described door latch (82) is pushed down corresponding knocker (81).
8. gate interlock structure according to claim 7, it is characterized in that: the position that described door latch (82) contacts with knocker (81) is provided with roller (83), the dorsal part of described door latch (82) is provided with button spring (84), the knocker (81) that inserts door latch (82) makes described button spring (84) stressed, and described button spring (84) after stressed reacts on door latch (82) and makes described roller (83) push down knocker (81).
9. according to the gate interlock structure described in arbitrary claim in claim 1 to 8, it is characterized in that: the both sides of described door body (1) bottom are respectively articulated with the both sides of casing (11) bottom by door hinge (10).
CN201410417867.7A 2014-08-22 2014-08-22 A kind of gate interlock structure CN104196363B (en)

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Application Number Priority Date Filing Date Title
CN201410417867.7A CN104196363B (en) 2014-08-22 2014-08-22 A kind of gate interlock structure

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Application Number Priority Date Filing Date Title
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CN104196363A true CN104196363A (en) 2014-12-10
CN104196363B CN104196363B (en) 2016-05-18

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879799A (en) * 2015-05-26 2015-09-02 宁波方太厨具有限公司 Safe door lock mechanism for preventing steam and microwave from leaking
CN105655184A (en) * 2016-03-28 2016-06-08 朱德金 Unilateral control switch for drying-box sliding door
CN106466163A (en) * 2015-08-21 2017-03-01 青岛海尔洗碗机有限公司 A kind of door lock assembly and dish-washing machine
CN106724741A (en) * 2016-12-02 2017-05-31 广东美的厨房电器制造有限公司 cooking appliance
CN110409149A (en) * 2018-04-28 2019-11-05 无锡小天鹅电器有限公司 Clothes drying device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2687536Y (en) * 2004-03-29 2005-03-23 广东美的集团股份有限公司 Microwave oven inter locking switch mechanism
JP2005264429A (en) * 2004-03-16 2005-09-29 Takigen Mfg Co Ltd Electromagnetic snatch locking device
CN2752391Y (en) * 2004-12-24 2006-01-18 宁波方太厨具有限公司 Electromagnetic door lock structure for tableware sterilizing cupboard
CN2934968Y (en) * 2006-07-27 2007-08-15 美的集团有限公司 Interlocking switch device for microwave oven
CN204060197U (en) * 2014-08-22 2014-12-31 宁波方太厨具有限公司 A kind of gate interlock structure

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005264429A (en) * 2004-03-16 2005-09-29 Takigen Mfg Co Ltd Electromagnetic snatch locking device
CN2687536Y (en) * 2004-03-29 2005-03-23 广东美的集团股份有限公司 Microwave oven inter locking switch mechanism
CN2752391Y (en) * 2004-12-24 2006-01-18 宁波方太厨具有限公司 Electromagnetic door lock structure for tableware sterilizing cupboard
CN2934968Y (en) * 2006-07-27 2007-08-15 美的集团有限公司 Interlocking switch device for microwave oven
CN204060197U (en) * 2014-08-22 2014-12-31 宁波方太厨具有限公司 A kind of gate interlock structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104879799A (en) * 2015-05-26 2015-09-02 宁波方太厨具有限公司 Safe door lock mechanism for preventing steam and microwave from leaking
CN106466163A (en) * 2015-08-21 2017-03-01 青岛海尔洗碗机有限公司 A kind of door lock assembly and dish-washing machine
CN105655184A (en) * 2016-03-28 2016-06-08 朱德金 Unilateral control switch for drying-box sliding door
CN106724741A (en) * 2016-12-02 2017-05-31 广东美的厨房电器制造有限公司 cooking appliance
CN106724741B (en) * 2016-12-02 2018-11-30 广东美的厨房电器制造有限公司 cooking appliance
CN110409149A (en) * 2018-04-28 2019-11-05 无锡小天鹅电器有限公司 Clothes drying device

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