CN107339021A - A kind of door lock - Google Patents
A kind of door lock Download PDFInfo
- Publication number
- CN107339021A CN107339021A CN201710260364.7A CN201710260364A CN107339021A CN 107339021 A CN107339021 A CN 107339021A CN 201710260364 A CN201710260364 A CN 201710260364A CN 107339021 A CN107339021 A CN 107339021A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- cam
- latch hook
- microswitch
- disk body
- 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.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 61
- 238000009434 installation Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 abstract description 2
- 230000037431 insertion Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/0014—Locks or fastenings for special use to prevent opening by children
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B47/0012—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with rotary electromotors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B47/00—Operating or controlling locks or other fastening devices by electric or magnetic means
- E05B47/0001—Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
- E05B2047/0014—Constructional features of actuators or power transmissions therefor
- E05B2047/0018—Details of actuator transmissions
- E05B2047/0024—Cams
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
A kind of door lock, it is characterized in that including pedestal, microswitch, motor, cam, latch hook and elastic component, wherein, microswitch is arranged on base interior, motor is arranged on pedestal and rotary shaft is stretched into pedestal, cam is in pedestal and is fixed on motor rotation axis, cam includes cam disk body and microswitch triggering block, microswitch triggering block at least two and along the circumferentially-spaced distribution of cam disk body, microswitch triggering block and the convex surface of cam disk body are mutually staggered in a circumferential direction, latch hook is rotatably arranged on pedestal, latch hook includes the hook portion for being engaged with gate stop and the first stopper for being engaged with the convex surface of cam disk body, and, in the state of being offseted on convex surface and the first stopper, in hook portion insertion gate stop, elastic component can force in latch hook and latch hook is had the trend for departing from gate stop.The door lock can control the linkage of latch hook and microswitch by the rotation of cam, be not only simple in structure, it is small and easily controllable to take installing space.
Description
Technical field
The present invention relates to a kind of door lock.
Background technology
The household electrical appliance such as existing steam box, baking box and micro-wave oven are fitted with door lock, and electrical equipment is when in use, it is necessary to use door lock
Door body is fastened, door body is opened during avoiding use.For example disclose in the prior art with safety door lock device
Household electrical appliance, such as Application No. 200710058978.3 (A of Publication No. CN 101373078) Chinese invention patent application institute
It is disclosed《Micro-wave oven with child guardd lock》, the micro-wave oven include shell, body of heater, control door-plate, door for microwave oven, installation
Have the distribution chamber of various electronic units, control panel side be provided with slide switch above fire door, with slide switch
The slot of slide switch can be pushed into by being provided with relative control panel, in use, can will in slide switch insertion slot
Fire door pins, and thus can effectively prevent the micro-wave oven artificial unexpected enabling phenomenon such as children in use.The safety door
Although locking device structure is relatively simple, need manually operated when pinning fire door, automaticity is low, and operation is more inconvenient,
And reliability is also poor.In addition, the household electrical appliance such as existing steam box, baking box, micro-wave oven are when in use, also tend to door body pass be present
It is not tight and fasten the problem of power is not big enough, potential potential safety hazard thus be present.In summary, need to existing household electrical appliance
Door latch structure is further improved.
The content of the invention
The technical problems to be solved by the invention are to be directed to above-mentioned state of the art, there is provided a kind of small volume, structure letter
Single and easy to control door lock.
Technical scheme is used by the present invention solves above-mentioned technical problem：The door lock, it is characterised in that including：
Pedestal；
Microswitch, installed in the base interior；
Motor, on the pedestal, and the rotary shaft of motor is stretched into pedestal；
Cam, in the pedestal and it is fixed in the rotary shaft of the motor, cam includes cam disk body and is located at
The microswitch triggering block of cam disk body bottom, the microswitch triggering block at least two and along the circumference of cam disk body
It is spaced apart, and microswitch triggering block and the convex surface of cam disk body are mutually staggered in a circumferential direction；
Latch hook, it is rotatably arranged on the pedestal, the latch hook includes the hook portion and use for being engaged with gate stop
Come the first stopper being engaged with the convex surface of the cam disk body, also, in the state of the convex surface and the first stopper offset,
The hook portion is inserted in the gate stop；And
Elastic component, the latch hook can be forced in and make latch hook that there is the trend for departing from the gate stop.
Preferably, the microswitch is located at the base interior and close to the madial wall of pedestal, the cam of the cam
Disk body is located at the top of the microswitch, and the bottom of cam is spacing on the pedestal.
Further preferably, the bottom of the cam has limit shaft, and the base bottom is provided with spacing hole, the limit shaft
Insert in the spacing hole and make cam limit on pedestal.
Further preferably, described convex surface has three and is uniformly distributed along the circumferencial direction interval of cam disk body, corresponding
Ground, described microswitch triggering block have three and along the multiple circumferentially spaced of cam disk body.
In order to play support limit effect to latch hook, it is provided with the pedestal and extends and be used for what is offseted with latch hook forward
Limited block.
There can be a variety of rotation connection structures between latch hook and pedestal, it is preferable that have pin in the installed in front of the pedestal
Axle, the latch hook are rotatably arranged on the bearing pin.
Elastic component can have various structures, and as a kind of preferred scheme, the latch hook also includes the second stopper, and described
Two stoppers have the first projection to extend back, and the bottom of the pedestal is provided with the second projection extended forward, described elasticity
Part is the spacing spring between latch hook and base, and the both ends of the spring are respectively sleeved at the first described projection and second convex
On post.
As another preferred scheme of elastic component, described elastic component is to install the torsion spring on the bearing pin, the torsion
One end of spring is supported on the pedestal, and the other end of the torsion spring is supported on the latch hook.
Compared with prior art, the advantage of the invention is that：Microswitch is arranged on base interior by the door lock, is arranged on
Motor on pedestal can drive cam rotation, and it is possible to the linkage of latch hook and microswitch is controlled by the rotation of cam,
When latch hook is inserted in gate stop, microswitch is triggered and leaves the motor off work, so that door body can not be opened after being lockable,
When latch hook departs from gate stop, microswitch is not triggered, it is seen that and the door lock is not only simple in structure, and occupancy installing space is small, and
It is easily controllable, go for various household electrical appliance.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention one；
Fig. 2 is the perspective exploded view of the embodiment of the present invention one；
Fig. 3 is the structural representation of the cam of the embodiment of the present invention one；
Fig. 4 is the floor map of the cam of the embodiment of the present invention one；
Fig. 5 is the structural representation of the latch hook of the embodiment of the present invention one；
Fig. 6 is structure sectional view of the embodiment of the present invention one under latch hook open mode；
Fig. 7 is structure sectional view of the embodiment of the present invention one under latch hook closed mode；
Fig. 8 is the structural representation of the embodiment of the present invention two.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
Embodiment one：
As shown in Figures 1 to 7, the door lock in the present embodiment include pedestal 1, microswitch 2, motor 3, cam 4, latch hook 5,
Bearing pin 6 and spring 7.
Using direction shown in arrow C in Fig. 1 as before to pedestal 1 is box shaped, after microswitch 2 is fixed on inside pedestal 1
Side, and close to the madial wall of pedestal 1.The specific fixed form of microswitch 2 is as follows：Pedestal 1 is provided with two the first locating dowels
14, the two first locating dowels 14 pass through two through holes of microswitch 2, microswitch 2 are positioned, so as to limit fine motion
Switch 2 moves horizontally, and two on pedestal 1 buckle 15 clasps microswitch 2, so as to the vertical shift of position limited inching switch 2.
Motor 3 is fixed on pedestal 1, and the rotary shaft 31 of motor 3 is stretched into pedestal 1.The specific fixed form of motor 3 is such as
Under：Two the second locating dowels 16 of the top of pedestal 1 pass through two through holes of motor 3, two other through hole and the pedestal 1 of motor 3
On two screwed holes 17 between carry out mode connects for screw.
Cam 4 is in pedestal 1 and is fixed in the rotary shaft 31 of motor 3, and cam 4 can be around base under the driving of motor 3
The central axis of seat 1.Cam 4 includes cam disk body 41 and the microswitch triggering block 42 located at cam disk body bottom, cam
Disk body 41 is located at the top of microswitch 2, and the bottom of cam 4 has limit shaft 43, and the bottom of pedestal 1 is provided with spacing hole 11, spacing
Axle 43 inserts in spacing hole 11 and makes cam 4 spacing on pedestal 1, microswitch triggering block 42 and the cam disk body 41 of cam 4
Convex surface 411 mutually stagger in a circumferential direction.In the present embodiment, the convex surface 411 of cam disk body 41 has three and along cam
The circumferencial direction interval of disk body 41 is uniformly distributed, and accordingly, microswitch triggering block 42 has three and along cam disk body 41
It is multiple circumferentially spaced.
Bearing pin 6 is fixed on the front side of pedestal 1, and latch hook 5 is arranged on bearing pin 6 and can rotated around bearing pin 6.In the present embodiment, lock
Hook 5 includes hook portion 51, the first stopper 52 and the second stopper 53, wherein, hook portion 51 extends forward and for the gate stop 91 with door body 9
It is engaged, the first stopper 52 extends rearwardly and upwardly and for being engaged with the convex surface 411 of cam disk body 41, the second stopper 53 is backward
Lower section extends, and in the state of on convex surface 411 and first, stopper 52 offsets, hook portion 51 is inserted in gate stop 91.In addition, in order to latch hook
5 play support limit effect, and the limited block 12 for extending and being used for forward and offseted with latch hook 5 is provided with pedestal 1.
Second stopper 53 of latch hook 5 has the first projection 531 to extend back, and the bottom of pedestal 1 is provided with what is extended forward
Second projection 13.The elastic component of the present embodiment is spring 7, and spring 7 is spacing between latch hook 5 and base 1, the both ends point of spring 7
It is not set on the first projection 531 and the second projection 13, so, spring 7, which can force in latch hook 5 and have latch hook 5, departs from door
The trend of hook.
The operation principle of the door lock is as follows：
When door lock does not work, latch hook 5 is contacted with B location (the i.e. convex surface 411 of cam disk body of cam disk body 41 with cam 4
Between relative protrusion region), meanwhile, the rear-face contact of limited block 12 on pedestal 1 and latch hook 5, to limit latch hook 5 and convex
The motion of wheel 4, the microswitch triggering block 42 of cam 4 do not contact with microswitch 2.In the present embodiment, B position shares on cam
6, and be symmetrical arranged, but it is not limited only to 6.
When door lock works, door body 9 is in shutdown state, and motor 3 is started working, and is rotated with moving cam 4, latch hook 5
Rotated counterclockwise, spring 7 is compressed, when cam 4 turns to location A (the i.e. cam disc that latch hook 5 is contacted with cam disk body 41
The convex surface 411 of body) when, cam 4 is played a supportive role to latch hook 5, and latch hook 5 is inserted in gate stop 91, meanwhile, the microswitch of cam 4
Triggering block 42 triggers microswitch 2, and microswitch 2 sends instruction controlled motor 3 and is stopped, and now, door body 9 is lockable and nothing
Method is opened.In the present embodiment, A position shares 3 on cam, and is symmetrical arranged, but is not limited only to 3.
Embodiment two：
As shown in figure 8, the elastic component of the present embodiment is torsion spring 8, torsion spring 8 is on installation bearing pin 6, one end of torsion spring 8 supports
On pedestal 1, the other end of torsion spring 8 is supported on latch hook 5, and the rotation of latch hook 5 is controlled by torsion spring 8.The present embodiment its
Remaining structure and the operation principle of door lock are identical with embodiment one, herein not reinflated description.
It the foregoing is only the preferred embodiment of the present invention, it is noted that for those of ordinary skills,
Under the premise of the principle of the present invention is not departed from, a variety of remodeling or improvement can be carried out to the present invention, these are regarded as the present invention
Protection domain within.
Claims (8)
- A kind of 1. door lock, it is characterised in that including：Pedestal (1)；Microswitch (2), it is internal installed in the pedestal (1)；Motor (3), on the pedestal (1), and the rotary shaft (31) of motor (3) is stretched into pedestal (1)；Cam (4), in the pedestal (1) and it is fixed in the rotary shaft (31) of the motor (3), cam (4) includes convex Disk body (41) and the microswitch triggering block (42) located at cam disk body (41) bottom are taken turns, the microswitch triggering block (42) is extremely Rare two and along the circumferentially-spaced distribution (41) of cam disk body (41), and microswitch triggering block (42) and cam disk body (41) mutually stagger in a circumferential direction on convex surface (411)；Latch hook (5), it is rotatably arranged on the pedestal (1), the latch hook (5) includes the hook portion for being engaged with gate stop (51) and the first stopper (52) for being engaged with the convex surface (411) of the cam disk body (41), also, on the convex surface (411) in the state of being offseted with the first stopper (52), the hook portion (51) is inserted in the gate stop；AndElastic component, the latch hook (5) can be forced in and make latch hook (5) that there is the trend for departing from the gate stop.
- 2. door lock according to claim 1, it is characterised in that：The microswitch (2) is internal simultaneously located at the pedestal (1) Close to the madial wall of pedestal, the cam disk body (41) of the cam (4) is located at the top of the microswitch (2), cam (4) Bottom is spacing on the pedestal (1).
- 3. door lock according to claim 2, it is characterised in that：The bottom of the cam (4) has limit shaft (43), described Pedestal (1) bottom is provided with spacing hole (11), the limit shaft (43) insert in the spacing hole (17) and make cam (4) spacing On pedestal (1).
- 4. door lock according to claim 1, it is characterised in that：Described convex surface (411) has three and along cam disk body (41) circumferencial direction interval is uniformly distributed, and accordingly, described microswitch triggering block (42) has three and along cam disc Body (41) it is multiple circumferentially spaced.
- 5. door lock according to claim 1, it is characterised in that：On the pedestal (1) be provided with forward extend and for The limited block (12) that latch hook (5) offsets.
- 6. door lock according to claim 1, it is characterised in that：There are bearing pin (6), institute in the installed in front of the pedestal (1) Latch hook (5) is stated to be rotatably arranged on the bearing pin (6).
- 7. the door lock according to any claim in claim 1 to 6, it is characterised in that：The latch hook (5) also includes Second stopper (53), second stopper (53) have the first projection (531) to extend back, and the bottom of the pedestal (1) is set There is the second projection (13) extended forward, described elastic component is the spacing spring (7) between latch hook (5) and base (1), institute The both ends for stating spring (7) are respectively sleeved on described the first projection (531) and the second projection (13).
- 8. door lock according to claim 6, it is characterised in that：Described elastic component is the torsion on the installation bearing pin (6) Spring (8), one end of the torsion spring (8) are supported on the pedestal (1), and the other end of the torsion spring (8) is supported on the latch hook (5) on.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260364.7A CN107339021A (en) | 2017-04-20 | 2017-04-20 | A kind of door lock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710260364.7A CN107339021A (en) | 2017-04-20 | 2017-04-20 | A kind of door lock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107339021A true CN107339021A (en) | 2017-11-10 |
Family
ID=60222728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710260364.7A Pending CN107339021A (en) | 2017-04-20 | 2017-04-20 | A kind of door lock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339021A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209042A (en) * | 2018-09-28 | 2019-01-15 | 佛山市锐毅马达制造有限公司 | Motor switch door lock |
| CN110094116A (en) * | 2018-01-31 | 2019-08-06 | 宁波方太厨具有限公司 | A kind of door latch structure of household electrical appliance |
| CN110388669A (en) * | 2018-04-19 | 2019-10-29 | 宁波方太厨具有限公司 | A kind of mounting structure of range hood |
| US20210278090A1 (en) * | 2018-07-20 | 2021-09-09 | Samsung Electronics Co., Ltd. | Oven |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2174395A (en) * | 1994-07-20 | 1996-02-01 | Avedis Mardiryan | Electronic deadlock |
| CN203430222U (en) * | 2013-08-22 | 2014-02-12 | 浙江安德电器有限公司 | Oven door lock |
| CN204457142U (en) * | 2015-02-12 | 2015-07-08 | 东莞市海厨宝厨具有限公司 | A kind of lock for oven door |
| CN104763259A (en) * | 2015-03-25 | 2015-07-08 | 广东美的厨房电器制造有限公司 | Door lock assembly and box-type electric appliance |
| CN206091628U (en) * | 2016-09-22 | 2017-04-12 | 江苏雷利电机股份有限公司 | Oven door latch mechanism |
-
2017
- 2017-04-20 CN CN201710260364.7A patent/CN107339021A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2174395A (en) * | 1994-07-20 | 1996-02-01 | Avedis Mardiryan | Electronic deadlock |
| CN203430222U (en) * | 2013-08-22 | 2014-02-12 | 浙江安德电器有限公司 | Oven door lock |
| CN204457142U (en) * | 2015-02-12 | 2015-07-08 | 东莞市海厨宝厨具有限公司 | A kind of lock for oven door |
| CN104763259A (en) * | 2015-03-25 | 2015-07-08 | 广东美的厨房电器制造有限公司 | Door lock assembly and box-type electric appliance |
| CN206091628U (en) * | 2016-09-22 | 2017-04-12 | 江苏雷利电机股份有限公司 | Oven door latch mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110094116A (en) * | 2018-01-31 | 2019-08-06 | 宁波方太厨具有限公司 | A kind of door latch structure of household electrical appliance |
| CN110094116B (en) * | 2018-01-31 | 2024-02-20 | 宁波方太厨具有限公司 | Door lock structure of household appliance |
| CN110388669A (en) * | 2018-04-19 | 2019-10-29 | 宁波方太厨具有限公司 | A kind of mounting structure of range hood |
| US20210278090A1 (en) * | 2018-07-20 | 2021-09-09 | Samsung Electronics Co., Ltd. | Oven |
| CN109209042A (en) * | 2018-09-28 | 2019-01-15 | 佛山市锐毅马达制造有限公司 | Motor switch door lock |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171110 |