CN106466163B - Door lock assembly and dish washing machine - Google Patents
Door lock assembly and dish washing machine Download PDFInfo
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- CN106466163B CN106466163B CN201510520628.9A CN201510520628A CN106466163B CN 106466163 B CN106466163 B CN 106466163B CN 201510520628 A CN201510520628 A CN 201510520628A CN 106466163 B CN106466163 B CN 106466163B
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- door
- tongue
- lock assembly
- connecting rod
- tongues
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Abstract
The invention relates to the technical field of dish washing machines, in particular to a door lock assembly and a dish washing machine adopting the door lock assembly. The door lock assembly comprises two bolt hooks symmetrically arranged on the door body and two bolts symmetrically arranged on the inner container; the two door tongues are respectively matched with the two door tongue hooks, and the door tongues and the door tongue hooks are clamped and separated to lock and unlock the door body; the two door tongues are linked through the connecting rod, the connecting rod is connected with a pressing key arranged on the control panel, the connecting rod can be driven to rotate by operating the pressing key, and the two door tongues can be driven to move to unlock the door body when the connecting rod rotates. This application still provides the dish washer that adopts above-mentioned lock subassembly simultaneously. The door lock assembly provided by the application has the advantages that the structure is simple, multi-point locking single-point control can be realized, the door body can be conveniently locked and unlocked, and meanwhile, the manufacturing cost and the use cost are low.
Description
Technical Field
The invention relates to the technical field of dish washing machines, in particular to a door lock assembly and a dish washing machine adopting the door lock assembly.
Background
The existing door body opening and closing mechanism can only realize the single-point control door unlocking mode, and cannot realize multi-point linkage locking and door opening. Most of the existing door opening and closing mechanisms are assembly parts, wherein after small parts in the assembly parts are damaged, the assembly door lock needs to be replaced in a whole set, and the material is greatly wasted.
As disclosed in the prior art, the opening and closing structure of the dishwasher door comprises a door, a cabinet, a latch, a door lock head and a small switch; a washing cavity is formed in the case, and the entrance of the case can be opened and closed through a door; the latch is formed on one side of the inner wall of the door in a protruding way; the door lock head is arranged in the case, is formed vertically to the bolt and can move along with the peripheral surface of the bolt; the miniature switch is installed inside the case and makes contact with the end of the door latch.
Although the opening and closing structure of the dishwasher door disclosed in the above disclosure can facilitate the opening and closing of the dishwasher door to a certain extent, the structure is still complex, the assembly and maintenance are inconvenient, and the locking and opening of the door are also single-point control.
In view of the above problems, there is a need for a door lock assembly and a dishwasher that can lock a door body at multiple points, and has a simple structure, is convenient to operate, and has low manufacturing and using costs.
Disclosure of Invention
The invention aims to provide a door lock assembly which can realize multipoint locking of a door body, and is simple in structure, convenient to operate and low in manufacturing and using cost.
Another object of the present invention is to provide a dishwasher, which employs a door lock assembly capable of realizing multi-point locking of a door body, and has a simple structure, convenient operation, and low manufacturing and using costs.
In order to achieve the purpose, the invention adopts the following technical scheme:
a door lock assembly comprises two door bolt hooks symmetrically arranged on a door body and two door bolts symmetrically arranged on an inner container;
the two door tongues are respectively matched with the two door tongue hooks, and the door tongues and the door tongue hooks are clamped and separated to lock and unlock the door body;
the two door tongues are linked through the connecting rod, the connecting rod is connected with a pressing key arranged on the control panel, the connecting rod can be driven to rotate by operating the pressing key, and the two door tongues can be driven to move to unlock the door body when the connecting rod rotates.
As a preferred scheme of the door lock assembly, a door tongue spring block is arranged on the door tongue and used for springing open the door body when the door body is opened;
the door bolt elastic block is rotatably arranged on the door bolt, and a spring which drives the door bolt elastic block to rotate when the door is opened is also arranged between the door bolt and the door bolt elastic block.
As a preferred scheme of the door lock assembly, the door lock assembly further comprises a microswitch matched with the door bolt elastic block, and the connection state of the door bolt elastic block and the microswitch is different when the door body is opened and closed; the micro switch is electrically connected with the power device, and the power device has different working states according to different connection states between the micro switch and the door bolt elastic block.
As a preferable scheme of the door lock assembly, the latch spring block comprises a front end and a rear end, wherein the rear part of the front end is rotatably connected with the inner container through a rotating shaft, and the front part of the rear end is connected with the inner container through a spring.
As a preferable scheme of the door lock assembly, a first rotating shaft and a second rotating shaft are fixed on the inner container, the door bolt is arranged on the inner container through the first rotating shaft and the second rotating shaft, wherein the rear end of the door bolt is rotatably connected with the first rotating shaft, and the front end of the door bolt is provided with a strip-shaped hole which is in sliding fit with the second rotating shaft;
the lower part of the door bolt is also provided with a return spring for returning the door bolt, one end of the return spring is connected with the lower part of the front end of the door bolt, and the other end of the return spring is connected with the inner container.
As a preferable aspect of the door lock assembly, the link includes a left link and a right link, and an intermediate link connecting the left link and the right link, wherein the left link and the right link are respectively connected to the two bolts.
As a preferable scheme of the door lock assembly, a connecting rod support is arranged on the inner container, and the middle connecting rod is rotatably arranged on the connecting rod support.
As a preferable mode of the door lock assembly, the pressing key is mounted on the control panel through a guide post and a pressing key return spring sleeved on the guide post.
A dishwasher comprising a door lock assembly as described above.
The invention has the beneficial effects that: this application realizes the locking of a body through two tongues and two tongues couples that the symmetry set up, and two tongues link through a connecting rod to through the motion of a press key control connecting rod, the motion of connecting rod can drive two tongues simultaneous movement. The door lock assembly has a simple structure, can realize multi-point locking and single-point control, facilitates the locking and unlocking of the door body, and has lower manufacturing and using costs.
Drawings
FIG. 1 is a side view of a dishwasher in accordance with an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at "I";
fig. 3 is a front view of a dishwasher according to an embodiment of the present invention.
Wherein:
1: a door body; 2: a latch hook; 3: an inner container; 4: a door bolt; 5: pressing a key; 6: a first rotating shaft; 7: a second rotating shaft; 8: a strip-shaped hole; 9: a return spring; 10: a latch block; 11: a spring; 12: a microswitch; 13: a left connecting rod; 14: a right connecting rod; 15: a middle connecting rod; 16: a connecting rod bracket.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 3, the present embodiment provides a door lock assembly including two latch hooks 2 symmetrically disposed on a door body 1, and two latches 4 symmetrically disposed on an inner container 3. The two door tongues 4 are respectively matched with the two door tongue hooks 2, and the door tongues 4 and the door tongue hooks 2 are clamped and separated to lock and unlock the door body 1.
The two door tongues 4 are linked through a connecting rod, the connecting rod is connected with a pressing key 5 arranged on the control panel, the connecting rod can be driven to rotate by operating the pressing key 5, and the two door tongues 4 can be driven to move to unlock the door body when the connecting rod rotates. Specifically, in the process that the connecting rod rotates, the connecting rod can push the door tongue 4 to move upwards, and in the process that the door tongue 4 moves upwards, the door tongue 4 can be separated from the door tongue hook 2 to unlock the door body.
In the embodiment, the door lock assembly has a simple structure, can realize multipoint locking and single-point control, facilitates the locking and unlocking of the door body, and has lower manufacturing and using costs.
The specific matching mode of the door tongue 4 and the inner container 3 is as follows: the inner container 3 is fixed with a first rotating shaft 6 and a second rotating shaft 7, the door tongue 4 is arranged on the inner container 3 through the first rotating shaft 6 and the second rotating shaft 7, wherein the rear end of the door tongue 4 is rotatably connected with the first rotating shaft 6, the front end of the door tongue 4 is provided with a strip-shaped hole 8, and the strip-shaped hole 8 is in sliding fit with the second rotating shaft 7. A return spring 9 for returning the door bolt 4 is arranged at the lower part of the door bolt 4, one end of the return spring 9 is connected with the lower part of the front end of the door bolt 4, and the other end is connected with the inner container 3.
In the process of opening the door body 1, the door tongue 4 is pushed by the connecting rod, the rear end of the door tongue 4 rotates relative to the first rotating shaft 6, the front end of the door tongue 4 slides relative to the second rotating shaft 7, the second rotating shaft 7 mainly plays a limiting role in the door tongue 4, the limiting connecting rod of the second rotating shaft 7 can push the front end of the door tongue 4 to move upwards, and then the door tongue 4 is separated from the door tongue hook 2, and the locking of the door body 1 is released.
In the door closing process of the door body 1, the door tongue hook 2 on the door body 1 can extrude the door tongue 4 to enable the door tongue 4 to move upwards by pressing the door body 1, and after the door body 1 is closed, the front end of the door tongue 4 can fall back into the door tongue hook 2 under the action of the reset spring 9, so that the door body 1 is locked.
Preferably, the latch 4 is provided with a latch spring 10, the latch spring 10 is used for opening the door 1 when the door 1 is opened, the latch spring 10 is rotatably provided on the latch 4, and a spring 11 for driving the latch spring 10 to rotate when the door is opened is further provided between the latch 4 and the latch spring 10.
The door lock assembly further comprises a microswitch 12 matched with the door tongue elastic block 10, and the connection state of the door tongue elastic block 10 and the microswitch 12 is different when the door body 1 is opened and closed. The microswitch 12 is electrically connected with the power device, and the power device has different working states according to different connection states between the microswitch 12 and the door bolt elastic block 10.
Specifically, when the door body 1 is closed, the latch spring 10 is connected to the microswitch 12, and at this time, the microswitch 12 is in a triggered state, which can be used as a condition for starting the power device. When the door body 1 is opened, the door bolt elastic block 2 is disconnected with the microswitch 12, the microswitch 12 is in a closed state at the moment, and if the power device is in a working body, the power device stops working. That is, the power unit does not operate when the door body 1 is in the open state. By adding the microswitch 12 to the door lock assembly, the power device can be ensured to be in a stop state when the door body 1 is opened, and the use safety of the machine is improved.
Specifically, the latch block 10 includes a front end and a rear end, wherein the rear portion of the front end is rotatably connected to the inner container through a rotating shaft, and the front portion of the rear end is connected to the inner container 3 through a spring 11. When the door body 1 is in a closed state, the door tongue elastic block 10 is extruded by the door body 1, the front end of the door tongue elastic block is positioned close to the door tongue 4, and the rear end of the door tongue elastic block is connected with the micro switch 12, so that the micro switch 12 is in a trigger state; when the door body 1 is opened, the rear end of the door tongue elastic block 10 is pulled by the spring 11, the door tongue elastic block 10 rotates, the front end of the door tongue elastic block provides pushing force for the door body 1, the door body 1 is made to be elastically opened for a certain distance, and the rear end of the door tongue elastic block is separated from the micro switch 12, so that the micro switch 12 is in a closed state.
The connecting rods comprise a left connecting rod 13 and a right connecting rod 14, and a middle connecting rod 15 connecting the left connecting rod 13 and the right connecting rod 14, wherein the left connecting rod 13 and the right connecting rod 14 are respectively connected with the two door tongues 4. The inner container 3 is provided with a connecting rod bracket 16, and the intermediate connecting rod 15 is rotatably arranged on the connecting rod bracket 16.
The three parts of the connecting rod are connected into a rigid integrated structure by adopting a mechanical structure, one part of the connecting rod is connected with the pressing key 5 (for example, the pressing key 5 is connected with the left connecting rod 13), and the whole connecting rod can rotate by pressing the pressing key 5.
The pressing key 5 is arranged on the control panel through a guide post and a pressing key return spring sleeved on the guide post. Specifically, the control panel is provided with 4 guide posts which are uniformly distributed, and the pressing key can reciprocate relative to the control panel through the guide of the guide posts and the reset of the reset spring.
In this embodiment, the present application also provides a dishwasher including the door lock assembly as described above.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (6)
1. The door lock assembly is characterized by comprising two door bolt hooks (2) symmetrically arranged on a door body (1) and two door bolts (4) symmetrically arranged on an inner container (3);
the two door tongues (4) are respectively matched with the two door tongue hooks (2), and the door tongues (4) and the door tongue hooks (2) are clamped and separated to lock and unlock the door body (1);
the two door tongues (4) are linked through a connecting rod, the connecting rod is connected with a pressing key (5) arranged on the control panel, the connecting rod can be driven to rotate by operating the pressing key (5), and the two door tongues (4) can be driven to move to unlock the door body (1) while the connecting rod rotates;
the door tongue (4) is provided with a door tongue elastic block (10), and the door tongue elastic block (10) is used for bouncing the door body (1) when the door body (1) is opened;
the door bolt elastic block (10) is rotatably arranged on the door bolt (4), and a spring (11) which drives the door bolt elastic block (10) to rotate when the door is opened is also arranged between the door bolt (4) and the door bolt elastic block (10);
the door is characterized by further comprising a microswitch (12) matched with the door tongue elastic block (10), wherein the connection states of the door tongue elastic block (10) and the microswitch (12) are different when the door body (1) is opened and closed; the microswitch (12) is electrically connected with the power device, and the power device has different working states according to different connection states between the microswitch (12) and the door bolt elastic block (10);
the door bolt elastic block (10) comprises a front end and a rear end, wherein the rear part of the front end is rotatably connected with the inner container (3) through a rotating shaft, and the front part of the rear end is connected with the inner container (3) through a spring (11).
2. The door lock assembly according to claim 1, characterized in that a first rotating shaft (6) and a second rotating shaft (7) are fixed on the inner container (3), the door tongue (4) is arranged on the inner container (3) through the first rotating shaft (6) and the second rotating shaft (7), wherein the rear end of the door tongue (4) is rotatably connected with the first rotating shaft (6), the front end of the door tongue (4) is provided with a strip-shaped hole (8), and the strip-shaped hole (8) is in sliding fit with the second rotating shaft (7);
a return spring (9) for returning the door bolt (4) is also arranged at the lower part of the door bolt (4), one end of the return spring (9) is connected with the lower part of the front end of the door bolt (4), and the other end is connected with the inner container (3).
3. Door lock assembly according to claim 1, characterized in that the links comprise a left link (13) and a right link (14), and an intermediate link (15) connecting the left link (13) and the right link (14), wherein the left link (13) and the right link (14) are connected with two tongues (4), respectively.
4. Door lock assembly according to claim 3, characterized in that a link bracket (16) is arranged on the inner container (3), the intermediate link (15) being rotatably arranged on the link bracket (16).
5. Door lock assembly according to claim 1, characterized in that the push key (5) is mounted on the control panel by means of a guide post and a push key return spring fitted over the guide post.
6. A dishwasher, comprising a door lock assembly as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520628.9A CN106466163B (en) | 2015-08-21 | 2015-08-21 | Door lock assembly and dish washing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510520628.9A CN106466163B (en) | 2015-08-21 | 2015-08-21 | Door lock assembly and dish washing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106466163A CN106466163A (en) | 2017-03-01 |
| CN106466163B true CN106466163B (en) | 2020-03-27 |
Family
ID=58229685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510520628.9A Active CN106466163B (en) | 2015-08-21 | 2015-08-21 | Door lock assembly and dish washing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106466163B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109812148B (en) * | 2017-11-20 | 2024-01-23 | 青岛海尔洗碗机有限公司 | Household appliance door lock system, door lock control method and household appliance |
| CN110604528B (en) * | 2018-06-15 | 2022-01-28 | 青岛海尔洗碗机有限公司 | Door lock assembly and dish washing machine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2826712C2 (en) * | 1978-06-19 | 1983-01-05 | Bosch-Siemens Hausgeräte GmbH, 7000 Stuttgart | Locking device for the door of electrical household appliances |
| CN201220411Y (en) * | 2008-06-18 | 2009-04-15 | 江苏通润工具箱柜股份有限公司 | Toolbox |
| CN201511609U (en) * | 2009-09-16 | 2010-06-23 | 杜晶 | Connecting mechanism for casing cover and casing seat of visual card printer |
| IT1405177B1 (en) * | 2010-11-26 | 2013-12-20 | Illinois Tool Works | DEVICE FOR LOCKING FOR A HOUSEHOLD APPLIANCE, IN PARTICULAR A DISHWASHER, AND HOUSEHOLD APPLIANCES OF THE SAME |
| CN203129791U (en) * | 2012-12-05 | 2013-08-14 | 中山东菱威力电器有限公司 | Interlocking switch mechanism of pull-down opening microwave oven |
| CN104196363B (en) * | 2014-08-22 | 2016-05-18 | 宁波方太厨具有限公司 | A kind of gate interlock structure |
| CN104746982B (en) * | 2015-03-26 | 2016-08-31 | 芜湖美的洗涤电器制造有限公司 | Dish washing machine door latch mechanism and dish-washing machine |
-
2015
- 2015-08-21 CN CN201510520628.9A patent/CN106466163B/en active Active
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| Publication number | Publication date |
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| CN106466163A (en) | 2017-03-01 |
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