Dishwasher

Abstract

The present invention discloses a dishwasher, which includes: a body having a washing chamber and a limiting portion; a door pivotally provided on the body to open and close the washing chamber; a positioning assembly including a tension spring, a first pulling rope, a second pulling rope and a limiting and cooperating portion. One end of the tension spring is connected to one end of the first pulling rope, the limiting and cooperating portion is connected to the other end of the first pulling rope and one end of the second pulling rope, the other end of the second pulling rope is connected to the door, and the limiting and cooperating portion is located on the side of the limiting portion close to the door. Wherein, in the state where the door closes the washing chamber, the second pulling rope is in a relaxed state and the limiting and cooperating portion abuts against the limiting portion. The dishwasher according to the embodiment of the present invention can position the door, which is beneficial to improving the drying effect and drying efficiency of the dishwasher, reducing the temperature in the rinsing stage, and reducing energy consumption and production costs, and can realize quick closing of the door, with convenient and fast operation.

Description

Technical Field

[0001] The present invention relates to the technical field of kitchen appliances, and more particularly, to a dishwasher. Background Art

[0002] Currently, with the gradual expansion of the dishwasher market and the improvement of consumers' awareness, basic performance parameters such as cleaning, drying, energy consumption, and water consumption are attracting more and more attention from consumers. In the related art, the dishwasher achieves cleaning through high-temperature heating, and at the same time, drying is performed through the residual heat of the final rinse. The higher the temperature, the better the drying effect, but correspondingly, it also brings safety hazards of high-temperature water spraying when opening the door during the operation process and the problem of increased energy consumption. Summary of the Invention

[0003] The present invention aims to at least solve one of the technical problems existing in the prior art. For this purpose, an object of the present invention is to provide a dishwasher with high drying efficiency and conducive to reducing energy consumption.

[0004] The dishwasher according to an embodiment of the present invention includes: a body having a washing chamber and being provided with a limiting portion; a door body pivotally provided on the body to open and close the washing chamber; a positioning assembly including a tension spring, a first pulling rope, a second pulling rope, and a limiting and cooperating portion. One end of the tension spring is connected to one end of the first pulling rope, the limiting and cooperating portion is connected to the other end of the first pulling rope and one end of the second pulling rope, the other end of the second pulling rope is connected to the door body, and the limiting and cooperating portion is located on the side of the limiting portion close to the door body. Wherein, in the state where the door body closes the washing chamber, the second pulling rope is in a relaxed state and the limiting and cooperating portion abuts against the limiting portion.

[0005] The dishwasher according to an embodiment of the present invention can position the door body by setting the positioning assembly, which is conducive to improving the drying effect and drying efficiency of the dishwasher, reducing the temperature in the rinsing stage, and reducing energy consumption and production costs, and can achieve rapid closing of the door, with convenient and fast operation.

[0006] In addition, the dishwasher according to the above embodiment of the present invention may further have the following additional technical features:

[0007] According to some embodiments of the present invention, in the state where the door body opens the washing chamber, the first pulling rope is in a taut state and the limiting and cooperating portion abuts against the limiting portion to make the door body in a predetermined opening angle.

[0008] According to some embodiments of the present invention, in a state where the door body opens the washing cavity, the first pulling rope is in a taut state and the limit cooperation part is separated from the limit part, and the tension spring is in a stretched state so that the door body is at any opening angle greater than the predetermined opening angle.

[0009] According to some embodiments of the present invention, in a state where the door body is at the predetermined opening angle, the distance between the end of the door body away from the pivot axis and the body is 80 mm - 120 mm.

[0010] According to some embodiments of the present invention, the limit part has a limit groove, and the first pulling rope is movably located in the limit groove.

[0011] According to some embodiments of the present invention, the positioning assembly further includes: at least one guide wheel, the guide wheel is installed on the body, and the first pulling rope and / or the second pulling rope is wound around the guide wheel.

[0012] According to some embodiments of the present invention, the second pulling rope is wound around the guide wheel, and the positioning assembly further includes: an anti - detachment member, the anti - detachment member is installed on the body, wherein, the anti - detachment member includes a first anti - detachment part located on the side of the second pulling rope away from the body; and / or, the anti - detachment member includes a second anti - detachment part located on the side of the second pulling rope away from the guide wheel; and / or, the anti - detachment members are multiple, and in the extending direction of the second pulling rope, at least two of the anti - detachment members are respectively located on both sides of the guide wheel.

[0013] According to some embodiments of the present invention, the body is provided with a plurality of first fixing parts distributed in the front - rear direction, and the limit part is alternatively inserted into one of the first fixing parts; and / or, the body is provided with a plurality of fixing parts, and one end of the tension spring is alternatively connected to one of the fixing parts.

[0014] According to some embodiments of the present invention, the dishwasher further includes: a door lock assembly for locking the door body and the body; an automatic door opening assembly, the automatic door opening assembly includes a housing and a wax motor, a push rod and a compression spring installed in the housing, the housing is installed on one of the door body and the body, one end of the compression spring abuts against the housing, the wax motor is arranged between the other end of the compression spring and one end of the push rod, and the other end of the push rod is adapted to extend out of the housing to apply a thrust to the other of the door body and the body to drive the door lock assembly to unlock.

[0015] According to some embodiments of the present invention, the body includes: an inner container having the washing cavity; a base provided below the inner container, the positioning assembly is installed on the base; a water cup integrally formed on the base.

[0016] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and be readily understood from the following description of embodiments in conjunction with the accompanying drawings, in which:

[0018] Figure 1 is a front view of a dishwasher according to an embodiment of the present invention, in which the door is closed;

[0019] Figure 2 is Figure 1 a cross-sectional view taken along the direction shown by line A-A;

[0020] Figure 3 is Figure 2 an enlarged schematic structural view of the circled part B in ;

[0021] Figure 4 is a schematic structural view of a dishwasher according to an embodiment of the present invention, in which the door is closed;

[0022] Figure 5 is a right view of a dishwasher according to an embodiment of the present invention, in which the door is closed;

[0023] Figure 6 is a cross-sectional view of a dishwasher according to an embodiment of the present invention, in which the door is at a predetermined opening angle;

[0024] Figure 7 is Figure 6 an enlarged schematic structural view of the circled part C in ;

[0025] Figure 8 is a schematic structural view of a dishwasher according to an embodiment of the present invention, in which the door is at a predetermined opening angle;

[0026] Figure 9 is a right view of a dishwasher according to an embodiment of the present invention, in which the door is at a predetermined opening angle;

[0027] Figure 10 is a schematic structural view of the cooperation between the base and the positioning assembly of a dishwasher according to an embodiment of the present invention;

[0028] Figure 11 is Figure 10 an enlarged schematic structural view of the circled part D in ;

[0029] Figure 12 is Figure 10 an enlarged schematic structural view of the circled part E in ;

[0030] Figure 13 is Figure 10 The enlarged structural schematic diagram of the circled F area;

[0031] Figure 14 is the right view of the base and positioning component of the dishwasher according to an embodiment of the present invention;

[0032] Figure 15 is the structural schematic diagram of the automatic door opening component of the dishwasher according to an embodiment of the present invention;

[0033] Figure 16 is Figure 15 the sectional view along the direction shown by the G-G line;

[0034] Figure 17 is the exploded view of the automatic door opening component of the dishwasher according to an embodiment of the present invention.

[0035] Reference numerals:

[0036] Dishwasher 100;

[0037] Machine body 10; Limiting part 11; Limiting groove 111; First fixing part 12; Protrusion 121; Second fixing part 13; Inner container 14; Base 15; Water cup 16;

[0038] Door body 20; Hook 21;

[0039] Positioning component 30; Tension spring 31; Insert plate 311; First pulling rope 32; Second pulling rope 33; Limiting and cooperating part 34; Guide wheel 35; Anti-disengagement part 36; First anti-disengagement part 361; Second anti-disengagement part 362;

[0040] Automatic door opening component 40; Housing 41; Upper housing 411; Lower housing 412; Wax motor 42; Push rod 43; Compression spring 44. Detailed implementation manners

[0041] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation to the present invention.

[0042] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0043] In the description of the present invention, the "first feature" and "second feature" may include one or more of such features. The meaning of "a plurality" is two or more. The first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. The first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature.

[0044] The dishwasher 100 according to an embodiment of the present invention will be described below with reference to the drawings.

[0045] Referring to Figures 1 - 9 As shown, the dishwasher 100 according to an embodiment of the present invention may include a body 10 and a door 20, and the door 20 can be opened and closed. In some embodiments, the body 10 may have a washing cavity, and the door 20 may be pivotally mounted on the body 10 to open and close the washing cavity. During the washing process of the dishwasher 100 for tableware, the door 20 is in the closed state as Figures 1 - 5 shown. When the user takes and places the tableware, the door 20 can be at 90° with the plane where the access opening of the washing cavity is located, so that the access opening is completely opened.

[0046] In addition, the door 20 can also be in the open state as Figures 6 - 9 shown, at a certain opening angle. One end of the door 20 away from the pivot axis (for example Figure 9 the upper end shown) is spaced apart from the body 10 by a certain distance, so that a certain degree of air convection can occur between the washing cavity and the outside. Thus, when the dishwasher 100 is in the drying stage, the door 20 is in the open state, so that the high-temperature moisture in the washing cavity can be quickly discharged to the outside through the access opening, to improve the drying efficiency of the tableware, thereby reducing the temperature in the rinsing stage, achieving the purpose of reducing the energy consumption of the dishwasher 100, and avoiding the safety hazard of high-temperature water spraying when opening the door during operation, while achieving a better drying effect.

[0047] In some embodiments, with reference to Figure 5 , Figure 9 and Figures 10 - 14 shown, the dishwasher 100 may further include a positioning assembly 30. The positioning assembly 30 can position the door body 20 when the door body 20 is in an open state, so that the door body 20 can be maintained at a required opening angle according to needs (for example, in the drying stage).

[0048] The following describes the specific structure of the positioning assembly 30 according to some embodiments of the present invention with reference to the accompanying drawings.

[0049] As Figure 5 , Figure 9 and Figures 10 - 14 shown, the body 10 is provided with a limiting portion 11. The positioning assembly 30 includes a tension spring 31, a first pulling rope 32, a second pulling rope 33, and a limiting and cooperating portion 34. Among them, one end of the tension spring 31 is connected to one end of the first pulling rope 32, the other end of the first pulling rope 32 is connected to the limiting and cooperating portion 3, and one end of the second pulling rope 33 is connected to the limiting and cooperating portion 34, so that the first pulling rope 32 and the second pulling rope 33 can move together, and the other end of the second pulling rope 33 is connected to the door body 20. The limiting and cooperating portion 34 is located on the side of the limiting portion 11 close to the door body 20. As Figure 5 and Figure 11 shown, the limiting and cooperating portion 34 is located on the front side of the limiting portion 11.

[0050] In the state where the door body 20 closes the washing cavity, as Figures 1 - 5 shown, the second pulling rope 33 may be in a relaxed state, and the limiting and cooperating portion 34 may abut against the limiting portion 11. In the above-mentioned closed door state, under the action of the limiting portion 11 and the limiting and cooperating portion 34, the second pulling rope 33 has no pre-tension; when it is necessary to open the door body 20, for example, when the door lock assembly for locking the body 10 and the door body 20 is unlocked, the door body 20 is not subjected to the pulling force from the second pulling rope 33. Under the action of the self-weight of the door body 20 with the center of gravity biased downward, the door body 20 will rotate relative to the body 10 to open the washing cavity, so that the washing cavity can communicate with the outside. In some embodiments, when the second pulling rope 33 is in a relaxed state, since the limiting portion 11 abuts against the limiting and cooperating portion 34, the tension spring 31 may be in a stretched state, the first pulling rope 32 is in a taut state, and provides a pulling force to the limiting portion 11.

[0051] As the door body 20 rotates, the second pulling rope 33 is gradually stretched. When the door body 20 rotates to a certain opening angle, as Figures 1 - 5 shown, the second pulling rope 33 switches from a relaxed state to a taut state. Under the combined action of the second pulling rope 33, the first pulling rope 32, the tension spring 31, and the self-weight of the door body 20, the door body 20 can maintain balance and be at the required opening angle.

[0052] It should be noted that, as Figures 1 - 5As shown, in the initial state where the second drawstring 33 switches to the taut state, an initial distance is released. The length of the drawstring of the tension spring 31 remains unchanged, and the limit cooperation part 34 still abuts against the limit part 11, enabling the door body 20 to be maintained at a predetermined opening angle. After the door body 20 is opened, it usually needs to be kept in the open state for a period of time. For example, during the drying stage, the door body 20 needs to be kept at the position as shown in Figure 6 so as to fully dry the tableware. By using the positioning assembly 30 to keep the door body 20 at a predetermined opening angle, it does not consume electricity, which is beneficial to reducing energy consumption. The structure is simple and the cost is low, which is beneficial to simplifying the structure of the dishwasher 100 and reducing the production cost. And when it is necessary to close the door, only the self-gravity of the door body 20 needs to be overcome, which is beneficial to realizing rapid door closing and the operation is more convenient and fast.

[0053] In addition, it should be noted that the first drawstring 32 and the second drawstring 33 can be two drawstrings or one drawstring, and the limit cooperation part 34 is installed on the drawstring to divide the drawstring into two parts.

[0054] In the embodiment of the present invention, the predetermined opening angle can be flexibly set according to the actual situations such as the self-weight of the door body 20 and the drying requirements, and can be adjusted by changing the length of the second drawstring 33, the setting position of the limit cooperation part 34, the fixing position of the limit part 11, etc.

[0055] In some embodiments, when the door body 20 is in the state of the predetermined opening angle, as shown in Figure 9 the distance L between the end of the door body 20 far from the pivot axis (for example, the upper end as shown in Figure 9 ) and the body 10 is 80 mm - 120 mm, that is, 80 mm ≤ L ≤ 120 mm. If the distance L is too small, the convection effect between the washing cavity and the outside air is poor, which is not conducive to improving the drying efficiency. If the distance L is too large, it is not conducive to the door body 20 to maintain balance. Within the above distance range, the drying efficiency is high, the drying effect is good, and the energy consumption can be significantly reduced. In some specific embodiments, the distance L can be 80 mm, 90 mm, 100 mm, 110 mm, 120 mm, etc.

[0056] According to some embodiments of the present invention, when the door body 20 opens the washing cavity, the user can control the rotation of the door body 20 as needed to further increase the opening angle, that is, make the opening angle greater than the predetermined opening angle. At this time, the first drawstring 32 can be in the taut state, and the limit cooperation part 34 can be separated from the limit part 11, and the tension spring 31 is in the stretched state to provide a pulling force to the door body 20, enabling the door body 20 to reach a balanced state at any opening angle greater than the predetermined opening angle.

[0057] In some embodiments, when the door body 20 is closed, the door body 20 can be parallel to the plane where the access opening of the washing cavity is located to facilitate sealing the access opening.

[0058] According to the dishwasher 100 of the embodiment of the present invention, by providing the positioning assembly 30, the door body 20 can be positioned, which is beneficial to improving the drying effect and efficiency of the dishwasher 100, reducing the temperature in the rinsing stage, and reducing energy consumption and production costs. It can achieve rapid door closing and is convenient and fast to operate.

[0059] In some embodiments of the present invention, as Figure 10 and Figure 11 shown, the limiting portion 11 may have a limiting groove 111, and the first pulling rope 32 may be movably located in the limiting groove 111. The limiting groove 111 can not only avoid the first pulling rope 32 to facilitate the connection of the first pulling rope 32 with the tension spring 31 and the limiting and cooperating portion 34, but also the limiting groove 111 can play a guiding and limiting role for the first pulling rope 32 to prevent the first pulling rope 32 from being misaligned and affecting the positioning of the door body 20.

[0060] In some embodiments, as Figure 11 shown, the machine body 10 is provided with a plurality of first fixing portions 12, and the plurality of first fixing portions 12 are distributed in the front-rear direction. The limiting portion 11 can be selectively connected to one of the first fixing portions 12. When the limiting and cooperating portion 34 abuts against the limiting portion 11 with the limiting portion 11 connected to different first fixing portions 12, the position of the limiting and cooperating portion 34 in the front-rear direction is different, so that the distance that can be released when the second pulling rope 33 is switched from the relaxed state to the taut state is different, and thus the predetermined opening angle of the door body 20 is different.

[0061] In some specific embodiments, as Figure 11 shown, the machine body 10 is provided with a plurality of pairs of protrusions, and the plurality of pairs of protrusions are distributed in the front-rear direction. Each pair of protrusions includes two protrusions 121 spaced apart in the up-down direction, and the distance between the two protrusions 121 is greater than the dimension of the limiting and cooperating portion 34 in the up-down direction to facilitate the front-rear movement of the limiting and cooperating portion 34; the gap between adjacent pairs of protrusions forms the first fixing portion 12, the limiting portion 11 is a limiting plate having a limiting groove 111, the dimension of the limiting groove 111 in the up-down direction is greater than the dimension of the limiting and cooperating portion 34 in the up-down direction, and the limiting plate can be inserted into the gap between adjacent pairs of protrusions.

[0062] It should be noted that Figure 11 shows an example in which the limiting portion 11 is connected to two different first fixing portions 12 at the same time, rather than setting two limiting portions 11 at the same time.

[0063] In some embodiments, as Figure 12As shown, the body 10 can be provided with a plurality of second fixing parts 13, and one end of the tension spring 31 can be selectively connected to one of the second fixing parts 13, so that the distance between one end of the tension spring 31 and the limiting part 11 is different, thereby adjusting the initial tension of the tension spring 31 to adapt to the need to maintain balance of door bodies 20 of different weights.

[0064] In some specific embodiments, Figure 12 As shown, an insert plate 311 is provided at one end of the tension spring 31, and the second fixing portion 13 is a slot formed in the body 10. The multiple slots are spaced apart and distributed along the front-to-back direction. The insert plate 311 can be inserted into the slot to achieve multi-level fixation of the tension spring 31.

[0065] According to some embodiments of the present invention, Figure 5 、 Figure 9 、 Figures 13 - 14 As shown, the positioning assembly 30 may further include at least one guide wheel 35 mounted on the body 10 and formed as a roller for the pull rope to roll. In an embodiment where there is only one guide wheel 35, the first pull rope 32 or the second pull rope 33 is wound around the guide wheel 35. In an embodiment where there are multiple guide wheels 35, each guide wheel 35 is wound around the first pull rope 32 or the second pull rope 33 to guide the pull rope.

[0066] In some specific embodiments, Figure 13 and Figure 14 As shown, the positioning assembly 30 includes two guide wheels 35 spaced apart in the front-to-back direction. A guide groove is defined on the outer circumference of each guide wheel 35. The first and second pull ropes 32 and 33 are respectively wound within the guide grooves of the two guide wheels 35. The position-limiting portion 11 and the position-limiting mating portion 34 are located between the two guide wheels 35 in the front-to-back direction. The two guide wheels 35 not only guide the pull ropes but also facilitate control of the rope extension direction, making the spatial arrangement more reasonable.

[0067] In some embodiments of the present invention, Figure 13 and Figure 14 As shown, the second pull cord 33 is wound around the guide wheel 35. Considering that the second pull cord 33 is in a loose state when the door body 20 is closed and can easily fall off the guide wheel 35, the positioning assembly 30 also includes an anti-slip member 36 installed on the door body 10. The anti-slip member 36 can limit the second pull cord 33 to prevent it from falling off the guide wheel 35, thereby ensuring that the door body 20 can maintain the predetermined opening angle each time it is opened.

[0068] In some embodiments, as Figure 13 As shown, the anti-slip member 36 may include a first anti-slip portion 361, which is located on the side of the second pull rope 33 facing away from the body 10 (for example, Figure 13On the right side shown, the first anti-disengagement part 361 and the body 10 cooperate to limit the second pull rope 33 in the axial direction of the guide wheel 35, so as to achieve the anti-disengagement function.

[0069] In some embodiments, such as Figure 13 shown, the anti-disengagement member 36 may include a second anti-disengagement part 362, and the second anti-disengagement part 362 is on the side of the second pull rope 33 facing away from the guide wheel 35 (for example Figure 13 shown, the guide wheel 35 is located above the second pull rope 33, and the second anti-disengagement part 362 is located below the second pull rope 33), and the bottom wall of the guide groove and the second anti-disengagement part 362 limit the second pull rope 33 in the radial direction of the guide wheel 35, so as to achieve the anti-disengagement function.

[0070] In some specific embodiments, the anti-disengagement member 36 includes a fastener and a limiting piece, and the limiting piece is connected to the body 10 through the fastener. Among them, the limiting piece is formed as the first anti-disengagement part 361, and the rod body of the fastener is formed as the second anti-disengagement part 362.

[0071] In some embodiments, continue to refer to Figure 13 shown, there may be multiple anti-disengagement members 36. In the extending direction of the second pull rope 33, at least two anti-disengagement members 36 are respectively located on both sides of the guide wheel 35 (for example Figure 13 shown, two anti-disengagement members 36 are respectively located in front of and behind the guide wheel 35), so as to improve the anti-disengagement effect.

[0072] According to some embodiments of the present invention, the dishwasher 100 further includes a door lock assembly and an automatic door opening assembly 40. Among them, the door lock assembly is used to lock the body 10 and the door body 20, and the automatic door opening assembly 40 is used to drive the door lock assembly to unlock, so as to achieve automatic door opening. The dishwasher 100 has an automatic door opening function, without the need for manual operation by the user, and is more convenient to use. Of course, the user can also manually open the door according to actual needs.

[0073] In some embodiments, such as Figures 15 - 17 shown, the automatic door opening assembly 40 may include a housing 41, a wax motor 42, a push rod 43 and a compression spring 44, and the wax motor 42, the push rod 43 and the compression spring 44 are installed in the housing 41. Among them, the housing 41 is installed on the body 10, one end of the compression spring 44 abuts against the housing 41, and the wax motor 42 is arranged between the other end of the compression spring 44 and one end of the push rod 43.

[0074] After the door body 20 is opened or after the door body 20 is closed, such as Figure 2 and Figure 3 shown, the wax motor 42 can be powered off, and the balance of the door body 20 is maintained by the positioning assembly 30. The automatic door opening assembly 40 does not need to be continuously powered on, which is beneficial to reducing energy consumption and improving the service life of the automatic door opening assembly 40. Such as Figure 6 and Figure 7As shown, after the wax motor 42 is energized and heated to expand, it can drive the ejector rod 43 to move, so that the other end of the ejector rod 43 can extend out of the housing 41 to apply a thrust to the door body 20, thereby driving the door lock assembly to unlock. In addition, after the wax motor 42 drives the ejector rod 43 to move to the limit position, it can compress the compression spring 44, and the compression spring 44 can play a role in buffering and adjusting deviations, ensuring the structural reliability of the automatic door opening assembly 40 and facilitating the reduction of production costs.

[0075] In some specific embodiments, the stroke of the wax motor 42 driving the ejector rod 43 to reciprocate is 10 mm - 80 mm, so that the ejector rod 43 can apply sufficient thrust to the door body 20 to overcome the locking force of the door lock assembly.

[0076] In some specific embodiments, as Figure 17 shown, the housing 41 may include an upper housing 411 and a lower housing 412, and the upper housing 411 and the lower housing 412 are detachably connected to cooperate to define an installation cavity for installing the wax motor 42 and the compression spring 44 and a guiding channel for guiding the ejector rod 43, which is more convenient for installation.

[0077] Of course, in some other embodiments, the automatic door opening assembly 40 may also be provided on the door body 20. Specifically, the housing 41 may be provided on the door body 20, and the ejector rod 43 may apply a thrust to the body 10 to drive the door lock assembly to unlock.

[0078] The present invention does not impose special restrictions on the specific structure of the door lock assembly.

[0079] For example, in some embodiments, the door lock assembly may be a mechanical lock. Specifically, the mechanical lock includes a lock catch provided on the door body 20 and a latching portion provided on the body 10, and the lock catch can be latched and unlocked with the latching portion. Again, for example, in some embodiments, the door lock assembly may include a magnetic member (such as a magnet) and a magnetizable member (such as an iron sheet), one of the magnetic member and the magnetizable member is provided on the door body 20 and the other is provided on the body 10, and the magnetic member can be magnetically attracted to the magnetizable member to achieve the latching of the door lock assembly.

[0080] In some embodiments of the present invention, the door lock assembly and the automatic door opening assembly 40 may be integrally provided to make the structure more compact, the assembly more convenient, and it is easier for the automatic door opening assembly 40 to push the door body 20 to overcome the locking force of the door lock assembly.

[0081] According to some embodiments of the present invention, as Figure 2 、 Figure 6 and Figure 10As shown in the figure, the machine body 10 may include an inner tank 14, a base 15, and a water cup 16. Among them, the inner tank 14 has a washing cavity, the base 15 may be disposed below the inner tank 14, and the positioning assembly 30 may be installed on the base 15. The water cup 16 is integrally formed on the base 15. In other words, the base 15 and the water cup 16 adopt an integrated structure to facilitate the production and assembly of the water cup 16.

[0082] Next, a dishwasher 100 according to a specific embodiment of the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the following description is only an exemplary illustration and should not be construed as a limitation of the invention.

[0083] As Figures 1 - 9 shown, the dishwasher 100 includes a door body 20, a machine body 10, an automatic door opening assembly 40, a door lock assembly, and a positioning assembly 30. The lower end of the door body 20 is connected to the machine body 10 by a hinge, and the door body 20 can pivot within a range of 0° - 90° around the hinge axis. The automatic door opening assembly 40 and the door lock assembly are installed on the top of the machine body 10. Through the automatic door opening assembly 40, the automatic door opening function can be realized during the drying stage of the dishwasher 100, accelerating the heat exchange between the relatively hot tableware in the washing cavity and the cold air outside. Without using a relatively high temperature and low water volume during the rinsing stage, a good drying effect can also be achieved. The rinsing temperature can be reduced, thereby reducing the energy consumption of the whole machine, and at the same time, a better drying effect can be achieved.

[0084] The machine body 10 includes an inner tank 14, a base 15, a water cup 16, a bowl basket loading system, a spraying system, a motor assembly, a limiting part 11, etc. The door body 20 includes a control panel, a display board, a hook 21, etc. As Figures 10 - 14 shown, the positioning assembly 30 includes a tension spring 31, a first pulling rope 32, a second pulling rope 33, a limiting and cooperating part 34, two guiding wheels 35, and two anti - detachment parts 36. The second pulling rope 33 is connected to the hook 21 to achieve connection with the door body 20.

[0085] As Figures 1 - 5 shown, the door body 20 is closed, and the door body 20 and the machine body 10 are in a parallel state in the horizontal direction. The door lock assembly is locked, and the limiting and cooperating part 34 abuts against the limiting part 11, making the second pulling rope 33 have no pre - tension and be in a relaxed state. In the relaxed state, by respectively arranging anti - detachment parts 36 on the front side and the rear side of the guiding wheel 35 that cooperates with the second pulling rope 33, the second pulling rope 33 is prevented from shifting and disengaging from the guiding wheel 35.

[0086] As Figures 6 - 9As shown, the wax motor 42 of the automatic door opening assembly 40 is energized to drive the ejector rod 43 to move forward to push open the door lock assembly to provide an initial force, so that the door body 20 is unlocked from the body 10. At this time, the second pull rope 33 is still in a relaxed state. Under the action of its own weight with the center of gravity biased downward, the door body 20 will open a predetermined opening angle, so that the distance between the upper end of the door body 20 and the body 10 is 80 mm - 120 mm. A better drying effect can be achieved within this distance range. At this time, the second pull rope 33 switches to a taut state. When the door body 20 rotates beyond the above distance range, the initial distance of the second pull rope 33 is released completely, pulling the limit cooperation part 34 to separate from the limit part 11, and pulling the tension spring 31 through the first pull rope 32. Under the action of the tension spring 31, the door body 20 can reach a balanced state at any position, that is, remain at any opening angle.

[0087] After the automatic door opening, the wax motor 42 can be powered off and the ejector rod 43 retracts. At this time, the door body 20 is only affected by its own gravity and the pulling force of the positioning assembly 30. The user can push the door body 20 to close the washing cavity, and there is no sense of resistance when closing the door manually, and seamless switching between opening and closing the door can be achieved.

[0088] Other components and operations of the dishwasher 100 according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail here.

[0089] In the description of the present invention, it should be noted that, unless otherwise clearly defined and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0090] In the description of this specification, the descriptions with reference to the terms "embodiment", "specific embodiment", "example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic descriptions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0091] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and purposes of the present invention. The scope of the present invention is defined by the claims and their equivalents.

Claims

1. A dishwasher, characterized in that, Comprising: A body having a washing cavity and provided with a limiting portion; A door body pivotally provided on the body to open and close the washing cavity; A positioning assembly including a tension spring, a first pulling rope, a second pulling rope and a limiting and cooperating portion. One end of the tension spring is connected to one end of the first pulling rope. The limiting and cooperating portion is connected to the other end of the first pulling rope and one end of the second pulling rope. The other end of the second pulling rope is connected to the door body. The limiting and cooperating portion is located on the side of the limiting portion close to the door body. Wherein, In the state where the door body closes the washing cavity, the second pulling rope is in a slack state, the first pulling rope is in a taut state, and the limiting and cooperating portion abuts against the limiting portion; In the state where the door body opens the washing cavity, the first pulling rope is in a taut state and the limiting and cooperating portion still abuts against the limiting portion. The second pulling rope is switched from a slack state to a taut state so that the door body is at a predetermined opening angle.

2. The dishwasher according to claim 1, wherein In the state where the door body opens the washing cavity, the first pulling rope is in a taut state and the limiting and cooperating portion is separated from the limiting portion. The tension spring is in a stretched state so that the door body is at any opening angle greater than the predetermined opening angle.

3. The dishwasher according to claim 1, wherein In the state where the door body is at the predetermined opening angle, the distance between the end of the door body far from the pivot axis and the body is 80 mm - 120 mm.

4. The dishwasher according to claim 1, characterized in that, The limiting portion has a limiting groove, and the first pulling rope is movably located in the limiting groove.

5. The dishwasher according to claim 1, wherein The positioning assembly further includes: At least one guide wheel mounted on the body, and the first pulling rope and / or the second pulling rope are wound around the guide wheel.

6. The dishwasher according to claim 5, characterized in that The second pulling rope is wound around the guide wheel. The positioning assembly further includes: An anti - detachment member mounted on the body. Wherein, The anti - detachment member includes a first anti - detachment portion on the side of the second pulling rope facing away from the body; and / or, The anti - detachment member includes a second anti - detachment portion on the side of the second pulling rope facing away from the guide wheel; and / or, There are multiple anti - detachment members. In the extending direction of the second pulling rope, at least two anti - detachment members are respectively located on both sides of the guide wheel.

7. The dishwasher according to claim 1, wherein, The body is provided with a plurality of first fixing portions distributed in the front - rear direction, and the limiting portion is alternatively connected to one of the first fixing portions; and / or, The body is provided with a plurality of second fixing portions, and one end of the tension spring is alternatively connected to one of the second fixing portions.

8. The dishwasher according to claim 1, characterized in that, Further comprising: A door lock assembly for locking the door body and the body; An automatic door opening assembly including a housing and a wax motor, a push rod and a compression spring installed in the housing. The housing is installed on one of the door body and the body. One end of the compression spring abuts against the housing. The wax motor is disposed between the other end of the compression spring and one end of the push rod. The other end of the push rod is adapted to extend out of the housing to apply a thrust to the other of the door body and the body to drive the door lock assembly to unlock.

9. The dishwasher according to any one of claims 1 to 8, characterized in that, The body includes: An inner tank having the washing cavity; A base disposed below the inner tank, and the positioning assembly is installed on the base; A water cup integrally formed on the base.

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