阅读说明：本技术 门体开关结构、洗碗机和洗碗机控制方法 (Door body opening and closing structure, dish washing machine and dish washing machine control method ) 是由 任富佳 潘艳丽 马涛 贺晓帆 姚春晓 于 2020-08-03 设计创作，主要内容包括：本发明提供了一种门体开关结构、洗碗机和洗碗机控制方法；门体开关结构包括第一推杆、第一驱动装置、门锁、童锁和控制装置。第一推杆的第一端设有第一锁止部,第一端与第二端之间设有第二锁止部；第一驱动装置安装在箱体上,并与第二端相连接,第一驱动装置用于带动第一推杆直线往复运动,以使第一推杆打开或关闭门体；门锁和童锁设置在门体上,门锁与第一锁止部连接配合；童锁可与第二锁止部连接配合；控制装置用于开闭第一驱动装置和童锁。本发明将门锁和童锁均设置在门体上,通过第一推杆能够实现门体的打开,而且此时童锁与第一推杆相锁止,使得门体不会打开更大的角度,即能够实现自动开门功能,又能够实现童锁功能。(The invention provides a door body opening and closing structure, a dish washing machine and a dish washing machine control method; the door body opening and closing structure comprises a first push rod, a first driving device, a door lock, a child lock and a control device. A first locking part is arranged at the first end of the first push rod, and a second locking part is arranged between the first end and the second end; the first driving device is arranged on the box body and connected with the second end, and the first driving device is used for driving the first push rod to do linear reciprocating motion so as to enable the first push rod to open or close the door body; the door lock and the child lock are arranged on the door body, and the door lock is connected and matched with the first locking part; the child lock can be connected and matched with the second locking part; the control device is used for opening and closing the first driving device and the child lock. According to the invention, the door lock and the child lock are arranged on the door body, the door body can be opened through the first push rod, and the child lock and the first push rod are locked at the moment, so that the door body cannot be opened at a larger angle, namely, the automatic door opening function can be realized, and the child lock function can also be realized.)

1. The utility model provides a door body switch structure for the door body on the box is installed in the switching, its characterized in that includes:

the first push rod is provided with a first end positioned in the door body and a second end positioned in the box body, the first end is provided with a first locking part, and a second locking part is arranged between the first end and the second end;

the first driving device is arranged on the box body and connected with the second end, and the first driving device is used for driving the first push rod to do linear reciprocating motion so as to enable the first push rod to open or close the door body;

the door lock is arranged on the door body and is connected and matched with the first locking part;

the child lock is arranged on the door body and can be connected and matched with the second locking part;

and the control device is respectively connected with the first driving device and the child lock so as to open and close the first driving device and the child lock.

2. The door body opening and closing structure according to claim 1, wherein the first locking portion is a first locking hole formed at a first end of the first push rod, and the door lock comprises a first bolt adapted to the first locking hole;

and/or the second locking part is a second locking hole formed in the first push rod, and the child lock comprises a second lock tongue matched with the second locking hole.

3. The door body opening and closing structure according to claim 1 or 2, wherein the child lock includes a second driving means and a second push rod; the second driving device is connected with one end of the second push rod and is used for driving the second push rod to do linear reciprocating motion;

when the child lock comprises a second bolt, the second bolt is arranged at the other end of the second push rod.

4. The door body opening and closing structure according to claim 1, further comprising a door opening detection device, wherein the door opening detection device is located in the box body and connected with the control device;

when the door opening detection device detects that the door body is opened to a preset position, the control device closes the first driving device.

5. The door body opening and closing structure according to claim 4, wherein the door opening detection means includes a first microswitch mounted on the first push rod;

the first push rod pushes the door body to be opened, when the first push rod moves to a first position, the first microswitch is opened, and the control device closes the first driving device.

6. The door body opening and closing structure according to claim 1, further comprising a door closing detection device, wherein the door closing detection device is located in the box body and connected with the control device;

when the door closing detection device detects that the door body rotates from opening to complete closing, the control device closes the first driving device.

7. The door body opening and closing structure according to claim 6, wherein the door closing detection means includes a second microswitch mounted on the first push rod;

the first push rod drives the door body to close, when the first push rod moves to the second position, the second microswitch is opened, and the control device closes the first driving device.

8. A dishwasher, comprising the door opening and closing structure according to any one of claims 1 to 7.

9. A control method of a dishwasher, comprising:

judging whether washing enters a drying stage, if so, opening a door body of the dish washing machine through a first push rod, and enabling the first push rod to be connected with a child lock of the dish washing machine in a locking manner so as to realize the child lock function;

the first push rod is provided with a first end positioned in the dishwasher door body and a second end positioned in the dishwasher box body;

the first end is provided with a first locking part, and a second locking part is arranged between the first end and the second end;

the door lock is arranged on the door body and is connected and matched with the first locking part;

the child lock is arranged on the door body and is connected and matched with the second locking part.

10. The control method of a dishwasher according to claim 9, further comprising:

measuring the time after the door body is opened by the first push rod;

when the first push rod opens the door body to a preset time, the first push rod closes the door body.

Technical Field

The invention relates to the technical field of household appliances, in particular to a door body switch structure, a dish washing machine and a dish washing machine control method.

Background

The automatic door opening structure of the dish washing machine is generally applied to the drying stage, a door body is opened through the automatic door opening structure, and tableware is quickly condensed and dried by utilizing the exchange of internal air and external air; the child lock effect of dish washer locks the door body and dish washer, and the prevention children open the door body at dish washer washing tableware in-process, and current dish washer gets into the dry stage and just can't open the door voluntarily after the child lock of the door body is locked, and the function can't overlap and use.

Disclosure of Invention

The invention provides a door body opening and closing structure, which aims to solve the problem that the automatic door opening structure of the existing dish washing machine cannot automatically open the door after a child lock is locked.

In order to solve the technical problem, the invention provides a door body switch structure, which has the following specific technical scheme:

a door body opening and closing structure for opening and closing a door body mounted on a cabinet, comprising:

the first push rod is provided with a first end positioned in the door body and a second end positioned in the box body, the first end is provided with a first locking part, and a second locking part is arranged between the first end and the second end;

the first driving device is arranged on the box body and connected with the second end, and the first driving device is used for driving the first push rod to do linear reciprocating motion so as to enable the first push rod to open or close the door body;

the door lock is arranged on the door body and is connected and matched with the first locking part;

the child lock is arranged on the door body and can be connected and matched with the second locking part;

and the control device is respectively connected with the first driving device and the child lock so as to open and close the first driving device and the child lock.

Further, the first locking part is a first locking hole formed in the first end of the first push rod, and the door lock comprises a first bolt matched with the first locking hole;

and/or the second locking part is a second locking hole formed in the first push rod, and the child lock comprises a second lock tongue matched with the second locking hole.

Further, the child lock comprises a second driving device and a second push rod; the second driving device is connected with one end of the second push rod and is used for driving the second push rod to do linear reciprocating motion;

when the child lock comprises a second bolt, the second bolt is arranged at the other end of the second push rod.

The door opening detection device is positioned in the box body and is connected with the control device;

when the door opening detection device detects that the door body is opened to a preset position, the control device closes the first driving device.

Further, the door opening detection device comprises a first microswitch arranged on the first push rod;

the first push rod pushes the door body to be opened, when the first push rod moves to a first position, the first microswitch is opened, and the control device closes the first driving device.

The door closing detection device is positioned in the box body and is connected with the control device;

when the door closing detection device detects that the door body rotates from opening to complete closing, the control device closes the first driving device.

Further, the door closing detection device comprises a second microswitch arranged on the first push rod;

the first push rod drives the door body to close, when the first push rod moves to the second position, the second microswitch is opened, and the control device closes the first driving device.

The second object of the present invention is to provide a dishwasher having the door opening and closing structure according to the above technical solution.

A third object of the present invention is to provide a control method of a dishwasher, which includes:

judging whether washing enters a drying stage, if so, opening a door body of the dish washing machine through a first push rod, and enabling the first push rod to be connected with a child lock of the dish washing machine in a locking manner so as to realize the child lock function;

the first push rod is provided with a first end positioned in the dishwasher door body and a second end positioned in the dishwasher box body;

the first end is provided with a first locking part, and a second locking part is arranged between the first end and the second end;

the door lock is arranged on the door body and is connected and matched with the first locking part;

the child lock is arranged on the door body and can be connected and matched with the second locking part.

Further, the method also comprises the following steps:

measuring the time after the door body is opened by the first push rod;

when the first push rod opens the door body to a preset time, the first push rod closes the door body.

According to the door body opening and closing structure, the dish washing machine and the control method of the dish washing machine, the door lock and the child lock are arranged on the door body, the dish washing machine only needs to open the door body by a small angle in a dry state, so that the door body can be opened through the first push rod, and the child lock is locked with the first push rod at the moment, so that the door body cannot be opened by a larger angle, the danger of children caused by curious misoperation is avoided, the automatic door opening function can be realized, and the child lock function can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a door body switch structure provided in an embodiment of the present invention;

fig. 2 is a schematic view of a door opening and closing structure provided in an embodiment of the present invention in a door opening state;

fig. 3 is a schematic view of a door opening and closing structure provided in an embodiment of the present invention in a door closed state;

fig. 4 is a schematic structural diagram of a dishwasher according to an embodiment of the present invention.

Icon:

1-a box body; 2-a door body; 3-a first push rod; 31-a first locking portion; 32-a second locking portion; 4-a first drive; 5-door lock; 51-a first locking bolt; 6-child lock; 61-a second bolt; 62-a second drive; 63-a second push rod; 7-door opening detection means; 8-door closing detection device.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, the present embodiment provides a door 2 switch structure for opening and closing a door 2 installed on a cabinet 1, when the door 2 switch structure of the present embodiment is applied to a dishwasher, the cabinet 1 of the present embodiment is a part of a machine body of the dishwasher, a washing device (not shown in the figure) is arranged in the cabinet 1, the door 2 of the present embodiment is used for opening and closing an opening of the cabinet 1, and a lower end of the door 2 is hinged to a lower end of the opening of the cabinet 1, so as to realize the rotation opening and closing of the door 2.

The opening and closing structure of the door body 2 of the present embodiment includes functional structures such as a first push rod 3, a first driving device 4, a door lock 5, a child lock 6, and a control device (not shown in the figure).

The first push rod 3 of this embodiment has a first end and a second end opposite to each other, after assembly, the first end of this embodiment is located in the door body 2, the second end is located in the box body 1, the first end of this embodiment is provided with a first locking portion 31, the first push rod 3 of this embodiment is provided with a second locking portion 32 between the first end and the second end, that is, the second locking portion 32 is located between the first locking portion 31 and the second end of the first push rod 3.

The first driving device 4 of this embodiment is installed on the box 1, the first driving device 4 is a linear reciprocating device, which may be a push rod motor, and may also be an electric rod or an air rod, the linear moving portion of the first driving device 4 is connected to the second end of the first push rod 3, and the first driving device 4 is used to drive the first push rod 3 to make linear reciprocating motion in the horizontal direction, so that the first push rod 3 opens or closes the door body 2.

The door lock 5 of the embodiment is arranged on the door body 2 and can be connected and matched with the first locking part 31, and during the washing or drying process, the door lock 5 is always connected with the first locking part 31 to lock the door body 2; the door lock 5 can be always connected with the first locking part 31, and the door body 2 is opened to a required angle through the movement of the first push rod 3; alternatively, when the door 2 needs to be opened, the door lock 5 may be connected to the first locking portion 31 so that the door 2 can be opened to a desired angle.

The child lock 6 of this embodiment is installed on the door body 2 to can be connected the cooperation with second locking portion 32, in dry procedure, child lock 6 is connected the cooperation with second locking portion 32 all the time, in order to realize child lock 6 function, has prevented the danger that children lead to because of curiosity maloperation.

The control device of the present embodiment is connected with the first driving device 4 and the child lock 6 by wireless signals or by wires, and may be a part of the control system of the dishwasher itself, or a separate controller, and the control device is used for opening and closing the first driving device 4 and the child lock 6.

The door body 2 switch structure of above-mentioned structure is different from current 5 structures of lock, because the dish washer only needs the door body 2 to open less angle in drying process and can satisfy the air exchange requirement, therefore, this embodiment designs door switch structure for promoting the opening and closing of door body 2 through the push rod motor, and all set up lock 5 and child lock 6 on door body 2, consequently not only can realize opening of the 2 small angle of door body through first push rod 3, and can realize child lock 6 and door body 2 and remove together, because child lock 6 locks with first push rod 3 mutually this moment, make door body 2 can not open bigger angle, and then avoided children because of the danger that the curiosity maloperation leads to, can realize the automatic function of opening the door promptly, can realize child lock 6 functions again, both hold concurrently.

As a preferred embodiment of the present embodiment, the first locking portion 31 of the present embodiment is a first locking hole formed at the first end of the first push rod 3, and the door lock 5 of the present embodiment includes a first locking tongue 51 adapted to the first locking hole. The locking of the door body 2 is realized through the matching of the lock hole and the lock tongue, the structure is simple, the locking is stable, and the door body 2 is easy to open and close.

Of course, the first locking portion 31 of the present embodiment may be a first latch 51 opened at the first end of the first push rod 3, and the door lock 5 of the present embodiment may include a first locking hole adapted to the first latch 51 (this structure is not shown in the figure).

Similarly, the second locking portion 32 of the present embodiment is a second locking hole formed in the first push rod 3, the child lock 6 includes a second locking tongue 61 adapted to the second locking hole, or the second locking portion 32 is a second locking tongue 61 formed in the first push rod 3, and the child lock 6 includes a second locking hole adapted to the second locking hole.

As a preferred embodiment of the present embodiment, in order to facilitate opening and closing of the child lock 6, the child lock 6 of the present embodiment includes a second driving device 62 and a second push rod 63; the second driving device 62 is connected with one end of the second push rod 63, the second bolt 61 is arranged at the other end of the second push rod 63, and the second driving device 62 is used for driving the second push rod 63 to do linear reciprocating motion in the vertical direction, so that the second bolt 61 can extend into or leave the second lock hole, and the opening and closing of the child lock 6 are completed.

Specifically, the second driving device 62 of the present embodiment is connected to the control device, and the opening and closing of the second driving device 62 is controlled by the control device, and the structure of the second driving device 62 is the same as or similar to that of the first driving device 4.

In order to realize accurate door opening and closing and avoid unnecessary travel of the first driving device 4 and the second driving device 62, the opening and closing structure of the door body 2 of the present embodiment further includes a door opening detection device 7 and a door closing detection device 8.

The door opening detection device 7 of the embodiment is positioned in the box body 1 and is connected with the control device; when the door opening detection device 7 detects that the door body 2 is opened to the preset position, the control device closes the first driving device 4.

Specifically, the door opening detection device 7 of the present embodiment includes a first micro switch installed on the first push rod 3, when the first push rod 3 pushes the door body 2 to open to the position shown in fig. 2, at this time, the first push rod 3 moves to the first position, the first micro switch is opened under the action of the push rod, and the control device sends a control instruction to the first driving device 4 to close the first driving device 4.

The door closing detection device 8 of the embodiment is positioned in the box body 1 and is connected with the control device; when the door closing detection device 8 detects that the door body 2 rotates from opening to complete closing, the control device closes the first driving device 4.

Specifically, the door closing detection device 8 of the present embodiment includes a second microswitch installed on the first push rod 3; when the first push rod 3 drives the door body 2 to close to the state shown in fig. 3, and at this time, the first push rod 3 moves to the second position, the second microswitch in this embodiment is opened under the action of the push rod, and the control device sends a control instruction to the second driving device 62 to close the second driving device 62.

Based on the above structure, the inventor finds that, after the door body 2 is pushed away in the drying stage by the existing automatic door opening structure, the door needs to be closed manually, and the door has certain defects corresponding to the actual scene, for example, when washing at night, the user forgets to close the door after opening the door, which easily causes the foreign matters in the kitchen to enter the interior of the dishwasher to pollute the dishware, so that the embodiment makes further improvement.

As a preferred embodiment of the present embodiment, the control device of the present embodiment includes a timing module, which may be a circuit (not shown in the figures, specific connection and circuit can refer to the existing control structure with timing function) connected to the controller of the control device, and the timing module is used for measuring the time after the door body 2 is opened by the first push rod 3.

When the first push rod 3 opens the door body 2 to a preset time, the preset time can be designed as a drying time, the control device sends a control instruction to the first driving device 4, and the first driving device 4 drives the push rod to move, so that the door body 2 is closed, and then automatic door closing control is completed.

In addition, as shown in fig. 4, the embodiment further provides a dishwasher, which has the door body 2 opening and closing structure according to the above technical solution, and the embodiment is not described with respect to other structures of the dishwasher and specific working principles thereof, and can be known by those skilled in the art.

Based on the above structure, the present embodiment further provides a control method of a dishwasher, the method including: and judging whether the washing enters a drying stage, if so, opening the door body 2 of the dish washing machine through the first push rod 3, and enabling the first push rod 3 to be in locking connection with a child lock 6 of the dish washing machine so as to realize the child lock function.

In addition, the method further comprises: measuring the time after the door body 2 is opened by the first push rod 3; when the first push rod 3 opens the door body 2 to the preset time, the first push rod closes the door body. The preset time may be determined based on a drying time of the dishwasher.

The specific implementation process of the method is described as follows:

when the dishwasher enters a washing process, the user interface is operated to be locked, the second push rod 63 drives the second bolt 61 to move upwards to the second lock hole after the second driving device 62 is powered on, the first push rod 3 is matched with the child lock 6, the door body 2 is locked, the door body 2 is prevented from being opened by the misoperation of children, and the opening and closing structure of the door body 2 is shown in the attached drawing 3.

After washing, the dish washing machine enters a drying stage from a washing state, when the control device judges that the dish washing machine enters the drying stage, the first driving device 4 is powered on and then drives the first push rod 3 to move towards the door body 2 until the door opening detection device 7 (namely, the first microswitch) generates signal change, the control device cuts off the power supply of the push rod motor, and at the moment, the switch structure of the door body 2 is shown as the attached drawing 2.

When dish washer is in the dry condition, and after dish washer realized automatic door opening, controlling means makes the door body keep the state of opening the door, second push rod 63 and first push rod 3 remain connected state throughout this moment, child's lock 6 is in the locking state all the time, prevent that children's maloperation from and opening door body 2, controlling means's internal program or control circuit when opening the door and falling down, after detecting and reaching the preset time, first drive arrangement 4 circular telegram, will drive first push rod 3 and move towards the direction of keeping away from door body 2, until closing door detection device 8 (being second micro-gap switch) emergence signal change, controlling means cuts off the power supply of first push rod 3 motor, resume the state of closing the door in figure 3.

The automatic timing closing of the door body 2 can be realized through the structural action and the logic control, the door is closed without the operation of a user, and the phenomenon that the foreign matters enter the inside of the dish washing machine and the tableware is polluted due to the fact that the user forgets to close the door is avoided.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.