CN211633164U

CN211633164U - Household appliance

Info

Publication number: CN211633164U
Application number: CN201921751529.1U
Authority: CN
Inventors: 韩晓东; 温春明; 张家营; 黄书庆; 庞士魁; 王豪杰; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-10-09
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a household appliance, which comprises a cavity with an opening at one side, a door body, a sensing device and a controller, wherein the door body is movably connected with the cavity and used for opening or closing the opening; when a user holds the handle to open the door body, the sensing device can be triggered, and the controller controls the household appliance to stop working according to a signal sent by the sensing device. The utility model discloses a household appliance, it is through setting up induction system on hand at the door body for the user holds the handle and can touch induction system when preparing to open the door body, and then in time, automatically control household appliance stop work, eliminates household appliance and mistakenly opens the door and the potential safety hazard that exists in the course of the work, improves household appliance's safety in utilization and user experience.

Description

Household appliance

Technical Field

The utility model relates to the technical field of household appliances, especially, relate to a household appliance.

Background

With the increasing standard of living, the dish washer is gradually popularized in the family with convenient operation mode and excellent washing performance. At present, most of sink dish washers on the market cannot solve the problem of water splashing caused by mistakenly opening a door in the washing process, and potential safety hazards exist.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a household appliance, its simple structure, before the user opens the door body, automatic control household appliance stop work in time has eliminated because of the mistake has opened the door and has had the potential safety hazard.

According to the household appliance provided by the above, the following technical scheme is adopted to realize that:

a household appliance comprises a cavity with an opening at one side, a door body, a sensing device and a controller, wherein the door body is movably connected with the cavity and used for opening or closing the opening; when a user holds the handle to open the door body, the sensing device can be triggered, and the controller controls the household appliance to stop working according to a signal sent by the sensing device.

In some embodiments, the sensing device comprises a signal switch electrically connected with the controller and a pressing sheet, the signal switch is provided with a contact for controlling the on-off of a signal of the signal switch, the contact protrudes out of the outer surface of the handle, and the pressing sheet is rotatably arranged on the handle and corresponds to the contact; when a user holds the handle to open the door body, the pressing sheet is pressed, the pressing sheet rotates towards the direction close to the contact under the action of pressure and touches the contact, and then the signal switch sends a signal for controlling the household appliance to stop working.

In some embodiments, the handle is provided with a mounting cavity suitable for accommodating the signal switch, an opening communicated with the mounting cavity and a mounting groove, the signal switch is arranged in the mounting cavity and electrically connected with the controller, and the contact penetrates through the opening and then protrudes out of the outer surface of the handle; the connecting end of the pressing sheet is rotatably arranged in the mounting groove, and the free end of the pressing sheet is positioned outside the handle and corresponds to the contact.

In some embodiments, the opening is disposed on a side of the mounting cavity facing the cavity; the pressing sheet is L-shaped, and the free end of the pressing sheet is rotatably arranged on one side of the handle facing the cavity.

In some embodiments, two opposite side walls of the mounting groove are respectively provided with a shaft hole and a through hole with the same direction as the opening hole, a rotating shaft protruding outwards is arranged at a position of the connecting end corresponding to the shaft hole, the connecting end penetrates through the through hole and then is rotatably inserted into the mounting groove, and the rotating shaft is rotatably connected with the shaft hole.

In some embodiments, a support is disposed at a position of the mounting groove corresponding to the connecting end, and the support is provided with the shaft hole matched with the rotating shaft.

In some embodiments, the sensing device further includes an elastic member for restoring the pressing sheet, and two ends of the elastic member are respectively connected with the side wall of the mounting groove and the connecting end in a matching manner. Specifically, one surface of the connecting end, which faces the elastic piece, is provided with a first clamping groove which is inwards concave, and the side wall of the mounting groove, which faces the first clamping groove, is provided with a second clamping groove; the elastic piece is an elastic piece, and two ends of the elastic piece are respectively inserted into the first clamping groove and the second clamping groove.

In some embodiments, the elastic member is an arc-shaped elastic sheet bent upward in the middle.

In some embodiments, the connecting end is provided with a limiting part which faces upwards and deviates towards the direction of the free end, and an included angle between the limiting part and the connecting end is an obtuse angle; when the pressing sheet is in a reset state, the limiting part is abutted against the side wall of the mounting groove.

In some embodiments, a section of the connecting end near the position-limiting part, the position-limiting part and the elastic part are enclosed to form a V shape.

Compared with the prior art, the utility model discloses an at least including following beneficial effect: the utility model discloses a household appliance, it is through the handle at the door body set up the induction system who is connected with the controller electricity for the user holds the handle and can touch induction system when preparing to open the door body, and then in time, controls household appliance stop work automatically, eliminates household appliance and the potential safety hazard that the mistake was opened and exists in the course of the work, improves household appliance's safety in utilization and user experience.

Drawings

Fig. 1 is a schematic structural view of a door body sensing device in an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a door body, a handle, and an induction device in an embodiment of the present invention;

FIG. 3 is a schematic structural view of a partial door body and a handle in an embodiment of the present invention;

fig. 4 is a partially enlarged view of a portion a of fig. 3;

fig. 5 is a schematic structural view of a tablet in an embodiment of the present invention.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

As shown in fig. 1, a home appliance, wherein the home appliance is any one of a dishwasher, a steam box, an oven, or a steam and bake all-in-one machine. The embodiment takes a dishwasher as an example, the dishwasher comprises a cavity 1 with an opening 11 on one side and a door body 2, a handle 3 is arranged on the door body 2, and the door body 2 is movably connected with the cavity 1 and used for opening or closing the opening 11. The device also comprises a sensing device 4 and a controller, wherein the sensing device 4 is arranged on the handle 3 and is electrically connected with the controller (not shown in the figure); when a user holds the handle 3 to open the door body 2, the sensing device 4 is triggered, and the controller controls the household appliance to stop working according to a signal sent by the sensing device 4.

The door body induction system of this embodiment, it is through setting up induction system 4 that is connected with the controller electricity on the handle 3 at the door body 2 for the user holds handle 3 and can touch induction system 4 when preparing to open the door body 2, and then in time, automatically control dish washer stop work, prevents that dish washer from opening the door and causing the problem of rivers splash at the washing in-process mistake, eliminates the potential safety hazard, improves the safety in utilization and the user experience of dish washer.

Preferably, the handle 3 of the present embodiment is integrally formed with the door body 2. Specifically, one end of the door body 2 is rotatably connected to the opening 11 of the cavity 1, and the other end of the door body defines a holding part which is convenient for a user to hold, wherein the holding part is a handle 3, so that the handle 3 is defined on the door body 2, on one hand, the assembly process between the handle 3 and the door body 2 is omitted, and the production efficiency is improved; on the other hand, the handle 3 is ensured to have enough space for installing the sensing device 4, and the assembly convenience of the sensing device 4 is improved.

As shown in fig. 2-3, further, the sensing device 4 includes a signal switch 41 electrically connected to the controller and a pressing sheet 42, the signal switch 41 is provided with a contact 411 for controlling the signal on/off, the contact 411 protrudes from the outer surface of the handle 3, and the pressing sheet 42 is rotatably disposed on the handle 3 and corresponds to the contact 411; when a user holds the handle 3 to open the door 2, the pressing piece 42 is pressed, the pressing piece 42 rotates towards the direction close to the contact 411 under the action of pressure and touches the contact 411, and then the signal switch 41 sends out a signal for controlling the household appliance to stop working. Therefore, the induction device 4 is simple in structure, the rotatable pressing sheet 42 is matched with the signal switch 41, the door opening induction sensitivity and accuracy are improved, the situation that washing water is splashed out of the cavity 1 when the door body 2 is opened by mistake is avoided, and the door body 2 is opened more safely and reliably.

Specifically, the handle 3 is provided with a mounting cavity 31 suitable for accommodating the signal switch 41, an opening 32 communicated with the mounting cavity 31 and a mounting groove 33, the signal switch 41 is arranged in the mounting cavity 31 and electrically connected with the controller, and the contact 411 passes through the opening 32 and then protrudes out of the outer surface of the handle 3; the connecting end 421 of the pressing sheet 42 is rotatably arranged in the mounting groove 33, and the free end 422 of the pressing sheet 42 is located outside the handle 3 and corresponds to the contact 411, so that the pressing sheet 42 can be rotatably arranged on the handle 3, and the contact 411 can be accurately and reliably touched when the pressing sheet 42 rotates under the action of external force.

Specifically, handle 2 deviates from one side middle part of cavity 1 and is provided with towards handle 2 inside sunken formation installation cavity 31 and mounting groove 33 side by side the interval, and installation cavity 31 and mounting groove 33 all have the top uncovered like this, for signal switch 41 and preforming 42's rapid Assembly provide convenience, improve the assembly efficiency of product.

Preferably, the opening 32 is disposed on a side of the mounting cavity 31 facing the cavity 1, and the free end 422 of the pressing piece 42 is rotatably disposed on a side of the handle 3 facing the cavity 1. Therefore, the contact 411 of the signal switch 41 faces the opening 11, and the free end 422 of the pressing sheet 42 is located between the contact 411 and the position of the opening 11 corresponding to the handle 3, so that on one hand, a user can accurately and reliably hold the free end 422 of the pressing sheet 42 for touching the contact 411 while holding the handle 3, the dishwasher stops working before the door body 2 is opened, potential safety hazards are eliminated, and the door opening safety is improved; on the other hand, the free end 422 and the contact 411 of the pressing sheet 42 are hidden on the back of the handle 3, which is beneficial to improving the overall aesthetic property of the handle 3 and simultaneously preventing the user from touching the induction device 4 by mistake to stop the operation of the dishwasher.

In the present embodiment, the signal switch 41 is a micro switch, and positioning holes (not shown) are respectively disposed at one pair of opposite corners of the signal switch 41. As shown in fig. 3, a positioning column 311 is disposed at a position of the sidewall of the mounting cavity 31 corresponding to the positioning hole, and a hook 312 is disposed on the sidewall of the mounting cavity 31 where the positioning column 311 is disposed. When the signal switch 41 is installed, the positioning hole of the signal switch 41 is horizontally sleeved in the positioning column 311, the contact 411 vertically penetrates through the opening 32, and the hook 312 hooks the edge of the side wall of the signal switch 41, so that the signal switch 41 is quickly and stably installed in the installation cavity 31 of the handle 3.

As shown in fig. 2 and fig. 4-5, the pressing piece 42 is preferably an elastic pressing piece, so that when the free end 422 of the pressing piece 42 is not pressed by an external force, the pressing piece 42 can be reset under the combined action of its own elastic force and the reset force of the contact 411, thereby improving the sensitivity and reliability of the sensing device 4.

In this embodiment, the free end 422 and the connecting end 421 of the pressing sheet 42 are integrally formed and mutually enclosed to form an "L" shape, and the length of the free end 422 of the pressing sheet 42 is greater than that of the connecting end 421 of the pressing sheet 42, so that a user only needs to lightly press the free end 422 to rotate the free end 422 and touch the contact 411, thereby improving the sensing sensitivity of the pressing sheet 42. In addition, the contact 411 of the signal switch 41 is right opposite to the middle of the free end 422, so that the pressing area of the free end 422 of the pressing sheet 42 can be effectively increased, the sensing area is larger, the sensing accuracy is higher, the user can be guaranteed to hold the handle 3 and press any position of the free end 422 of the pressing sheet 42, the contact 411 can be accurately and reliably touched, the signal switch 41 sends out a signal for controlling the dish washer to stop working, the sensing door opening is safer and more reliable, and the use flexibility and the functional practicability of the sensing device 4 are further improved.

Specifically, the shaft holes 331 are respectively formed on the opposite side walls of the mounting groove 33 and are provided with through holes 332 in the same direction as the opening 32 for the connection ends 421 of the pressing pieces 42 to pass through. The position of the connection end 421 corresponding to the axle hole 331 is provided with a rotation shaft 4211 protruding outwards, the connection end 421 passes through the through hole 332 and then is rotatably inserted into the mounting groove 33, and the rotation shaft 4211 is rotatably connected with the axle hole 331. Therefore, the two rotating shafts 4211 are matched with the two shaft holes 331, so that the connecting end 421 of the pressing sheet 42 can be rotatably connected into the mounting groove 33, the connecting mode is simple, and efficient assembly of the pressing sheet 42 is facilitated.

Preferably, a support 34 is disposed at a position of the mounting groove 33 corresponding to the connection end 421, and the support 34 is provided with a shaft hole 331 matched with the rotation shaft 4211. In this embodiment, the via holes 332 are strip-shaped holes, the number of the supports 34 is two, the two supports 34 are respectively located at two opposite edges of the length direction of the strip-shaped holes, and the bottom of the support 34 and the side wall deviating from the shaft hole 331 are respectively integrally formed with the bottom and the side wall of the mounting groove 33, so that the assembly process of the support 34 is omitted, the assembly effect of a product is improved, and the production cost is reduced; meanwhile, the strength and the connection stability of the support 34 are improved, the connection between the rotating shaft 4211 of the connecting end 421 and the shaft hole 331 of the support 34 is ensured to be stable and reliable, and the use performance of the pressing sheet 42 is improved.

More preferably, the link 421 of preforming 42 is equipped with the spacing portion 423 of upwards just being partial to the free end 422 direction, and the contained angle between this spacing portion 423 and the link 421 is the obtuse angle, and when preforming 42 was in the reset condition, spacing portion 423 and the lateral wall looks butt of mounting groove 33, so spacing portion 423 played limiting displacement, had improved the controllability of preforming 2 clockwise turned angle. In this embodiment, the stopper portion 423 is formed in a sheet shape and is integrally formed with the connection end 421, so that the deformation resistance of the stopper portion 423 itself can be enhanced.

As shown in fig. 2, further, the sensing device 4 further includes an elastic member 43 for resetting the pressing sheet 42, and two ends of the elastic member 43 are respectively connected to the side wall of the mounting groove 33 and the connecting end 421 in a matching manner, so that the pressing sheet 42 and the contact 411 are reset more timely by additionally arranging the elastic member 43, which is beneficial to further improving the sensitivity of the sensing device 4.

Before opening the door body 2, the user holds the handle 3 and presses the free end 422 of the pressing sheet 42, the free end 422 of the pressing sheet 42 rotates counterclockwise under the pressure and touches the contact 411, the controller controls the dishwasher to stop working according to the signal of the signal switch 41, and simultaneously, the connecting end 421 of the pressing sheet 42 compresses the elastic member 43. When the door body 2 is opened, the user releases the handle 3 and the free end 422 of the pressing sheet 42, the elastic member 43 resets under the action of the elastic force of the user, and then the pressing sheet 42 is driven to rotate clockwise to reset, so that the contact 411 is released, and the next operation of the user is facilitated.

As shown in fig. 2 and fig. 4 to 5, a first locking groove 4212 recessed toward the inside of the connection end 421 is formed on a surface of the connection end 421 facing the elastic member 43, and a second locking groove 333 is formed on a side wall of the mounting groove 33 facing the first locking groove 4212. The elastic piece 43 is an elastic piece, two ends of the elastic piece are respectively inserted into the first clamping groove 4212 and the second clamping groove 333, so that the elastic piece 43 is reliably connected with the connecting end 421 and the side wall of the mounting groove 33, and the elastic piece 43 is simply, quickly, stably and reliably connected.

Preferably, the elastic member 43 is an arc-shaped elastic piece bent upward at the middle to enhance the deformation capability of the elastic member 43. In this embodiment, the elastic element 43, the connecting end 421 are located between the first engaging groove 4212 and the limiting portion 423, and the limiting portion 423 encloses to form a "V" shape, so that it can be ensured that the pressing sheet 42 has a larger rotation angle, and further, the free end 422 of the pressing sheet 42 can reliably touch the contact 411 of the signal switch 41 when rotating counterclockwise, so that the sensitivity and the accuracy and the reliability of the sensing device 4 are improved, and the user experience is improved.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. A household appliance comprises a cavity (1) with an opening (11) at one side, a door body (2), a sensing device (4) and a controller, wherein the door body (2) is movably connected with the cavity (1) and used for opening or closing the opening (11), the door body (2) is provided with the handle (3), and the household appliance is characterized by further comprising the sensing device (4) and the controller, and the sensing device (4) is arranged on the handle (3) and electrically connected with the controller; when a user holds the handle (3) to open the door body (2), the sensing device (4) can be triggered, and the controller controls the household appliance to stop working according to a signal sent by the sensing device (4).

2. A household appliance as in claim 1, wherein said sensing device (4) comprises a signal switch (41) electrically connected to said controller and a pressing piece (42), said signal switch (41) is provided with a contact (411) for controlling the signal on/off of said signal switch, said contact (411) protrudes from the outer surface of said handle (3), said pressing piece (42) is rotatably arranged on said handle (3) and corresponds to said contact (411); when a user holds the handle (3) and prepares to open the door body (2), the pressing sheet (42) is pressed, the pressing sheet (42) rotates towards the direction close to the contact (411) under the action of pressure and touches the contact (411), and then the signal switch (41) sends out a signal for controlling the household appliance to stop working.

3. A household appliance according to claim 2, wherein the handle (3) is provided with a mounting cavity (31) adapted to receive the signal switch (41), an opening (32) communicating with the mounting cavity (31), and a mounting groove (33), the signal switch (41) is disposed in the mounting cavity (31), and the contact (411) passes through the opening (32) and protrudes out of the outer surface of the handle (3); the connecting end (421) of the pressing sheet (42) is rotatably arranged in the mounting groove (33), and the free end (422) of the pressing sheet (42) is positioned outside the handle (3) and corresponds to the contact (411).

4. A household appliance as in claim 3, characterized in that said opening (32) is provided on the side of said mounting cavity (31) facing said cavity (1); the pressing sheet (42) is L-shaped, and the free end (422) of the pressing sheet (42) is rotatably arranged on one side, facing the cavity (1), of the handle (3).

5. The household appliance according to claim 3, wherein a shaft hole (331) is respectively formed in two opposite side walls of the mounting groove (33) and a through hole (332) having the same direction as the opening hole (32) is formed in the two opposite side walls, an outwardly protruding rotating shaft (4211) is arranged at a position of the connecting end (421) corresponding to the shaft hole (331), the connecting end (421) penetrates through the through hole (332) and then is rotatably inserted into the mounting groove (33), and the rotating shaft (4211) is rotatably connected with the shaft hole (331).

6. An electric household appliance as in claim 5, characterized in that the mounting groove (33) is provided with a support (34) at a position corresponding to the connection end (421), and the support (34) is provided with the shaft hole (331) matched with the rotation shaft (4211).

7. A household appliance according to any one of claims 3 to 6, wherein the sensing device (4) further comprises an elastic member (43) for resetting the pressing sheet (42), and two ends of the elastic member (43) are respectively connected with the side wall of the mounting groove (33) and the connecting end (421) in a matching manner.

8. A household appliance according to claim 7, characterized in that the elastic element (43) is an arc-shaped elastic sheet bent upwards in the middle.

9. A household appliance as in claim 8, wherein the connection end (421) is provided with a limiting portion (423) facing upwards and biased towards the free end (422), and an included angle between the limiting portion (423) and the connection end (421) is an obtuse angle; when the pressing sheet (42) is in a reset state, the limiting part (423) is abutted against the side wall of the mounting groove (33).

10. A household appliance according to claim 9, wherein a section of the connection end (421) near the position-limiting portion (423), the position-limiting portion (423) and the elastic member (43) are enclosed to form a "V" shape.