Household appliance structure and dishwasher

Abstract

The utility model discloses a kind of household appliance structure and dish washer, including shell, shelf connecting piece, shelf assembly and stop structure, shell is formed with containing cavity, the front side of containing cavity is equipped with opening, shelf connecting piece is connected between shell and shelf assembly, shelf assembly is movable along front-back direction relative to shelf connecting piece, stop structure includes stop block, one of shelf connecting piece and shelf assembly is equipped with stop block, and the other is equipped with first cooperation column;First guide slot is equipped on stop block, stop block has head end and tail end in front-back direction, first guide slot is through head end to form guide entry, shelf assembly is movable from front to back relative to shelf connecting piece, and when from opening into containing cavity, first cooperation column is inserted to first guide slot from guide entry, under the common stoppage effect of stop block and first cooperation column, kinetic energy of shelf assembly is weakened, and the probability that shelf assembly is damaged due to collision is reduced.

Description

Technical Field

[0001] This utility model relates to the field of household appliance structure technology, and in particular to a household appliance structure and a dishwasher. Background Technology

[0002] Household appliances such as dishwashers, refrigerators, freezers, and storage cabinets typically have shelves. These shelves need to be pulled out of the dishwasher's inner tub during use and pushed back in afterward. During this process, the shelves, due to inertia, tend to continue moving after reaching their designated position, potentially causing them to collide with the inner tub and resulting in damage. Utility Model Content

[0003] The main purpose of this utility model is to propose a household appliance structure and dishwasher, which aims to reduce the probability of the shelf colliding with the inner wall of the accommodating cavity during operation.

[0004] To achieve the above objectives, this utility model proposes a household appliance structure, which includes:

[0005] The housing has a receiving cavity, and the front side of the receiving cavity has an opening;

[0006] A shelf connector and a shelf assembly, the shelf connector being connected between the housing and the shelf assembly, the shelf assembly being movable relative to the shelf connector in a front-rear direction; and...

[0007] A stop structure includes a stop block, wherein the stop block is provided on one of the shelf connector and the shelf assembly, and the other of the shelf connector is provided with a first mating post; the stop block is provided with a first guide groove, and the stop block has a head end and a tail end in the front-rear direction, and the first guide groove passes through the head end to form an inlet.

[0008] The shelf assembly moves from front to back relative to the shelf connector, and when it enters the receiving cavity from the opening, the first mating post is inserted from the inlet into the first guide groove to stop the shelf assembly from moving toward the rear sidewall of the receiving cavity.

[0009] In one embodiment, the household appliance structure further includes a swing arm and a fixed slide rail, one end of the swing arm being hinged to the inner wall of the receiving cavity and the other end being hinged to the fixed slide rail; the shelf assembly is movable in the front-rear direction relative to the fixed slide rail;

[0010] The shelf connector includes at least one of the swing arm and the fixed slide rail.

[0011] In one embodiment, the stop block is disposed on the shelf assembly;

[0012] The first mating post is located on the swing arm.

[0013] In one embodiment, the household appliance structure further includes a first shelf and a movable slide rail, the first shelf and the movable slide rail being fixedly connected, and the movable slide rail being movable relative to the shelf connector in the front-back direction;

[0014] The shelf assembly includes at least one of the first shelf and the movable slide rail.

[0015] In one embodiment, the first mating post is disposed on the shelf connector;

[0016] The stop block is located on the first shelf.

[0017] In one embodiment, the stop block is located at the front end of the first shelf; and / or,

[0018] The movable slide rail and the first shelf are connected by a connecting block. The connecting block and the stop block are integrally formed, or the connecting block and the stop block are connected as one piece.

[0019] In one embodiment, the shelf connector includes a swing arm and a fixed slide rail, one end of the swing arm is hinged to the inner wall of the receiving cavity, and the other end is hinged to the fixed slide rail;

[0020] The shelf assembly includes a first shelf and a movable slide rail, the first shelf and the movable slide rail are fixedly connected, and the movable slide rail and the fixed slide rail are slidably installed in the front-back direction;

[0021] The swinging motion of the swing arm causes the first shelf to switch between a low position and a high position. Corresponding to the low position, the fixed slide rail and the movable slide rail move relative to each other, so that the first shelf has an initial bottom position that is entirely inside the receiving cavity and a bottom position that is at least partially outside the receiving cavity and is ready to be lifted.

[0022] During the process of the first shelf moving from the bottom to the initial bottom position, the first mating post is inserted into the first guide groove from the inlet.

[0023] In one embodiment, the first mating post is disposed on the swing arm, and the stop block is disposed on the first shelf. As the first shelf moves from the bottom to be raised position to the bottom initial position, the stop block gradually approaches the swing arm.

[0024] In one embodiment, a locking block is provided on the first shelf, and the locking block is provided with a second guide groove; a second mating post is provided on the swing arm; the second guide groove extends at least partially in an arc shape;

[0025] Corresponding to the high position state, the second mating post is inserted into the second guide groove.

[0026] In one embodiment, the stop block and the locking block are spaced apart on the first shelf in a front-back direction, and the stop block is located in front of the locking block.

[0027] In one embodiment, a locking part is provided on the stop block. The locking part is elastically movable along the width direction of the first guide groove and can at least partially extend into the first guide groove to limit the first mating post within the first guide groove.

[0028] In one embodiment, a receiving space is provided within the stop block, and the receiving space is connected to the first guide groove through a connecting port;

[0029] The locking part includes a buffer head and an elastic element. The buffer head is movably disposed in the receiving space through the elastic element, and at least a portion of the buffer head can extend into the first guide groove through the communication port.

[0030] In one embodiment, the accommodating space has a first inner wall opposite to the communication opening and two second inner walls disposed opposite to each other in the front-back direction. The two second inner walls are disposed close to each other along the direction of the first inner wall toward the communication opening.

[0031] Correspondingly, the cross-sectional area of ​​the buffer head is gradually reduced along the direction from the first inner wall toward the communication port.

[0032] In one embodiment, the stop block has a mating groove on its mounting side, and the mating groove communicates with the receiving space;

[0033] The buffer head is provided with guide ribs, which extend in the vertical direction and are slidably fitted with the mating groove.

[0034] In one embodiment, the stop block has a mounting side end and a connecting side end that are opposite each other in the left-right direction, the first guide groove is provided on the mounting side end, and the connecting side end forms a downwardly facing abutment surface;

[0035] The receiving space is provided through the side end face of the connecting side end, and the buffer head is connected to a limiting plate. When the buffer head moves from the receiving space into the first guide groove, the limiting plate can move to impact the abutting surface.

[0036] In one embodiment, the buffer head is provided with a columnar portion, the columnar portion is connected to one end of the limiting plate facing away from the abutment surface, and the elastic element is arranged around the columnar portion;

[0037] An annular portion is also formed on one side of the connecting end of the stop block, and at least part of the columnar portion and the elastic member are located within the annular portion.

[0038] In one embodiment, the first guide groove has a bottom wall opposite to the inlet, a first side wall and a second side wall opposite to each other in the vertical direction, and the second side wall has a communication opening through which the locking part extends into the first guide groove, wherein:

[0039] The depth of the first guide groove corresponding to the sidewall of the second groove is greater than the depth of the first groove sidewall; and / or,

[0040] The bottom wall of the tank has a smooth curved surface.

[0041] In one embodiment, the first guide groove extends linearly along the front-to-back direction; and / or,

[0042] The width of the first guide groove gradually decreases from the first end of the stop block toward its tail end.

[0043] This utility model also proposes a dishwasher, which includes a household appliance structure, the household appliance structure including a shell forming a receiving cavity, and the receiving cavity having an opening on its front side;

[0044] A shelf connector and a shelf assembly, the shelf connector being connected between the housing and the shelf assembly, the shelf assembly being movable relative to the shelf connector in a front-rear direction; and...

[0045] A stop structure includes a stop block, wherein the stop block is provided on one of the shelf connector and the shelf assembly, and the other of the shelf connector is provided with a first mating post; the stop block is provided with a first guide groove, and the stop block has a head end and a tail end in the front-rear direction, and the first guide groove passes through the head end to form an inlet.

[0046] The shelf assembly moves from front to back relative to the shelf connector, and when it enters the receiving cavity from the opening, the first mating post is inserted from the inlet into the first guide groove to stop the shelf assembly from moving toward the rear sidewall of the receiving cavity.

[0047] In the technical solution of this utility model, the housing forms a receiving cavity, and the front side of the receiving cavity is provided with an opening. The shelf connector is connected between the housing and the shelf assembly. The shelf assembly moves relative to the shelf connector in the front-rear direction. The stop block is provided with a first guide groove, which penetrates the first end to form an inlet. When the shelf assembly moves from front to back relative to the shelf connector and enters the receiving cavity from the opening, the first mating post is inserted from the inlet into the first guide groove to stop the shelf assembly from moving toward the rear side wall of the receiving cavity. Under the stopping action of the stop block, the kinetic energy of the shelf assembly is weakened, reducing the probability of the shelf assembly being damaged due to collision. Attached Figure Description

[0048] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0049] Figure 1 A first-angle perspective three-dimensional structural schematic diagram of a partial structure of a household appliance structure provided by this utility model;

[0050] Figure 2 for Figure 1 A magnified schematic diagram of part A in the middle;

[0051] Figure 3 for Figure 1 A two-dimensional structural diagram of a partial structure of a household appliance in China, taken from a second angle.

[0052] Figure 4 for Figure 3 A magnified schematic diagram of part B in the middle;

[0053] Figure 5 for Figure 1 A three-dimensional structural diagram of the stop block and connecting block at the first angle;

[0054] Figure 6 for Figure 5 A magnified schematic diagram of part C in the middle;

[0055] Figure 7 for Figure 1 A three-dimensional structural diagram of the stop block and connecting block at the second angle;

[0056] Figure 8 for Figure 7 A magnified schematic diagram of part D in the middle;

[0057] Figure 9 for Figure 1 A three-dimensional structural diagram of household appliances in China;

[0058] Figure 10 for Figure 9 A three-dimensional structural diagram of a household appliance structure (the first shelf is in a low position and is in the initial position at the bottom);

[0059] Figure 11 for Figure 9 A three-dimensional structural diagram of a household appliance structure (the first shelf is in a low position and is at the bottom waiting to be lifted);

[0060] Figure 12 for Figure 9 A three-dimensional structural diagram of a household appliance (with the first shelf in a high position).

[0061] Explanation of icon numbers:

[0062] 100. Structure of household appliances;

[0063] 1. Housing; 11. Receiving cavity; 12. Opening; 21. Fixed arm; 22. Swing arm; 31. Fixed slide rail; 32. Movable slide rail; 4. First shelf;

[0064] 5. Stop structure; 51. Stop block; 511. Mounting side end; 512. First guide groove; 5121. Inlet; 5122. First groove side wall; 5123. Second groove side wall; 5124. Groove bottom wall; 513. Head end; 514. Tail end; 516. Protrusion; 517. Accommodating space; 5171. Connecting port; 5172. First inner side wall; 5173. Second inner side wall; 518. Connecting side end; 5181. Abutment surface; 519. Limiting plate; 520. Annular fitting part; 5201. Notch; 52. First mating post;

[0065] 6. Locking part; 61. Buffer head; 62. Elastic element; 63. Columnar part;

[0066] 71. Guide rib; 72. Mating groove; 8. Second shelf; 9. Connecting block;

[0067] 10. Shelf connector; 20. Shelf assembly; 30. Locking block; 301. Second guide groove; 302. Second mating post;

[0068] The functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0069] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0070] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0071] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0072] Household appliance structure 100 includes dishwashers, refrigerators, freezers, or storage cabinets, which are typically equipped with shelves. Understandably, some household appliances have an inner liner, and the shelves store items to be stored. When there is a need to retrieve an item, the shelf needs to be pulled out of the inner liner; after use, the shelf needs to be pushed back into the inner liner to store both the shelf and the retrieved item.

[0073] When the inner liner of the shelf is pulled out and then pushed back in after use, the shelf tends to continue moving after reaching the preset position due to inertia. This can easily cause the shelf to collide with the inner liner and cause damage.

[0074] In view of this, the present invention proposes a household appliance structure, which aims to improve the problem that the shelf in current household appliances is prone to collision with the inner liner, resulting in damage.

[0075] in, Figures 1 to 9 A schematic diagram of a partial structure of a household appliance structure provided by this utility model; Figures 10 to 12 Schematic diagrams of different states of the household appliance structure provided by this utility model.

[0076] Please see Figure 1 , Figure 2 and Figure 9 The household appliance structure 100 includes a housing 1, a shelf connector 10, a shelf assembly 20, and a stop structure 5. The housing 1 forms a receiving cavity 11, and the receiving cavity 11 has an opening 12 on its front side. The shelf connector 10 connects the housing 1 and the shelf assembly 20. The shelf assembly 20 moves relative to the shelf connector 10 in a front-rear direction. The stop structure 5 includes a stop block 51. The stop block 51 is provided on one of the shelf connector 10 and the shelf assembly 20, and the other is provided with a first mating part. The stop block 51 is provided with a first guide groove 512. The stop block 51 has a front end 513 and a rear end 514 in the front-rear direction. The first guide groove 512 penetrates the front end 513 to form an inlet 5121. The shelf assembly 20 moves from front to back relative to the shelf connector 10. When it enters the receiving cavity 11 from the opening 12, the first mating post 52 is inserted from the inlet 5121 into the first guide groove 512 to stop the shelf assembly 20 from moving toward the rear side wall of the receiving cavity 11.

[0077] In the technical solution of this utility model, the housing 1 forms a receiving cavity 11, and the front side of the receiving cavity 11 is provided with an opening 12. The shelf connector 10 is connected between the housing 1 and the shelf assembly 20. The shelf assembly 20 moves relative to the shelf connector 10 in the front-rear direction. The stop block 51 is provided with a first guide groove 512, which penetrates the head end 513 to form an inlet 5121. The shelf assembly 20 moves from front to back relative to the shelf connector 10. When it enters the receiving cavity 11 from the opening 12, the first mating post 52 is inserted from the inlet 5121 into the first guide groove 512 to stop the shelf assembly 20 from moving toward the rear side wall of the receiving cavity 11. Under the joint stopping action of the stop block 51 and the first mating post 52, the kinetic energy of the shelf assembly 20 is weakened, reducing the probability of the shelf assembly 20 being damaged due to collision.

[0078] It should be noted that in this utility model, the user is used as the direction reference. Forward is the direction towards the user, or the direction from the back of the household appliance towards the side of the household appliance with the door; backward is the direction opposite to forward, specifically the direction away from the user, or the direction from the side of the household appliance with the door towards the back of the household appliance; the up and down direction is the direction with gravity as the reference.

[0079] Please see Figure 9 The household appliance structure 100 includes a housing 1, which forms a receiving cavity 11. The housing 1 shows the overall external space of the household appliance, and an inner liner is provided inside the housing 1. The receiving cavity 11 is formed in the inner liner, and the shelf assembly 20 can be moved into or out of the receiving cavity 11.

[0080] The receiving cavity 11 has an opening 12 on its front side, and a door is provided at the opening 12 to close and open the opening 12. The shelf assembly 20 moves into and out of the receiving cavity 11 through the opening 12. The receiving cavity 11 has a rear sidewall corresponding to the opening 12, and the stop block 51 prevents the shelf assembly 20 from moving toward the rear sidewall to reduce collision between the shelf assembly 20 and the rear sidewall.

[0081] The shelf assembly 20 is mainly used to set up utensils to be placed, such as bowls, plates, dishes, chopsticks, knives and forks, as well as baked food or items to be refrigerated.

[0082] The shelf connector 10 is used to connect the housing 1 and the shelf assembly 20. Specifically, it is connected between the inner wall of the receiving cavity 11 and the shelf assembly 20 to enable the shelf assembly 20 to move into and out of the receiving cavity 11.

[0083] The first mating post 52 is inserted into the first guide groove 512 of the stop block 51 to achieve a stopping function. It can be understood that when the bottom wall of the first mating post 52 and the first guide groove 512 abuts, there is still a distance between the shelf assembly 20 and the rear side wall of the receiving cavity 11, so as to prevent them from contacting each other and reduce collision.

[0084] The shelf connector 10 and the shelf assembly 20 are provided with the stop block 51, and the other is provided with the first mating post 52. It can be understood that there are two ways to set them up: one is that the stop block 51 is provided on the shelf connector 10 and the first mating post 52 is provided on the shelf assembly 20; the other is that the stop block 51 is provided on the shelf assembly 20 and the first mating post 52 is provided on the shelf connector 10.

[0085] The connection between the stop block 51 and the shelf connector 10 or the shelf assembly 20 can be achieved by at least one of riveting, welding and threaded connection; the connection between the first mating column 52 and the shelf connector 10 or the shelf assembly 20 can also be achieved by at least one of riveting, welding and threaded connection, which will not be described in detail above.

[0086] During the entire activity of the shelf assembly 20, the kinetic energy of the shelf assembly 20 can be converted into internal energy between the first mating post 52 and the stop block 51, or it can be dissipated in the form of internal energy and elastic potential energy to reduce the kinetic energy.

[0087] Understandably, in some household appliances, such as refrigerators, freezers, or storage cabinets, the shelf assembly 20 only moves in the front-to-back direction, that is, it moves the shelf assembly 20 into or out of the inner liner's receiving cavity 11. In other household appliances, such as dishwashers, the shelf assembly 20 moves not only in the front-to-back direction but also in the up-and-down direction, so that the shelf assembly 20 can not only move into or out of the inner liner's receiving cavity 11, but also be raised to a suitable position after being moved out of the inner liner's receiving cavity 11, so as to reduce the user's bending over and facilitate the user's loading and unloading operations.

[0088] Specifically, in some embodiments, please refer to... Figure 1 and Figure 2 The household appliance structure 100 further includes a swing arm 22 and a fixed slide rail 31. One end of the swing arm 22 is hinged to the inner wall of the receiving cavity 11, and the other end is hinged to the fixed slide rail 31. The shelf assembly 20 moves in the front-to-back direction relative to the fixed slide rail 31. The shelf connector 10 includes at least one of the swing arm 22 and the fixed slide rail 31. That is, in application scenarios where the shelf assembly 20 moves not only in the front-to-back direction but also in the up-and-down direction, one of the stop block 51 and the first mating post 52 can be disposed on one of the swing arm 22 and the fixed slide rail 31, which provides a more flexible arrangement and facilitates the placement of the stop block 51 and the first mating post 52.

[0089] It should be noted that the fixed slide rail 31 is not fixedly installed relative to the receiving cavity 11, but is fixed relative to the swing arm 22 after the swing arm 22 swings to its limit position, that is, there is no relative movement between the fixed slide rail 31 and the swing arm 22.

[0090] When the stop block 51 is provided on the swing arm 22, the interference between the swing arm 22 and the fixed slide rail 31 during the movement of the swing arm 22 needs to be taken into account; when the stop block 51 is provided on the fixed slide rail 31, the interference between the fixed slide rail 31 and the shelf assembly 20 also needs to be taken into account.

[0091] When the first mating post 52 is provided on the swing arm 22, the interference between the swing arm 22 and the fixed slide rail 31 during the movement of the swing arm 22 needs to be considered; when the first mating post 52 extends in the left and right direction, the first mating post 52 is welded or riveted to the swing arm 22; when the first mating post 52 is provided on the fixed slide rail 31, the interference between the fixed slide rail 31 and the shelf assembly 20 also needs to be considered; when the first mating post 52 extends in the left and right direction, the first mating post 52 is welded or riveted to the fixed slide rail 31.

[0092] Considering that the fixed slide rail 31 and the swing arm 22 are small in size and inconvenient to install the stop block 51, in some embodiments, the stop block 51 is set on the shelf assembly 20 and the first mating post 52 is set on the swing arm 22. This arrangement facilitates the installation of the stop block 51 and the first mating post 52.

[0093] Specifically, the connection method between the stop block 51 and the shelf assembly 20 can be at least one of snap-fit ​​and threaded connection. For example, it can be a snap-fit ​​connection only, a threaded connection only, or a snap-fit ​​plus threaded connection. The connection method between the first mating post 52 and the swing arm 22 can refer to the foregoing.

[0094] The shelf assembly 20 carries the items to be placed and is movable relative to the inner liner in the front-to-back direction. In some embodiments, please refer to [further details]. Figure 1 and Figure 2 The household appliance structure 100 further includes a first shelf 4 and a movable slide rail 32. The first shelf 4 and the movable slide rail 32 are fixedly connected. The movable slide rail 32 moves relative to the shelf connector 10 in the front-back direction. The shelf assembly 20 includes at least one of the first shelf 4 and the movable slide rail 32. One of the stop block 51 and the first mating post 52 can be disposed on one of the first shelf 4 and the movable slide rail 32, which makes the setting more flexible and facilitates the setting of the stop block 51 and the first mating post 52.

[0095] The movable slide rail 32 moves relative to the inner liner and also relative to the shelf connector 10. The movable slide rail 32 is fixedly installed relative to the first shelf 4.

[0096] The first shelf 4 and the movable slide rail 32 can be fixedly connected by any one of bolt fixing, welding fixing, or snap-fit ​​fixing. For example, when bolt fixing is used, threaded holes can be made at corresponding positions of the first shelf 4 and the movable slide rail 32, and the two can be tightly connected together by bolts. This connection method is firm and reliable, and easy to disassemble and maintain. If welding fixing is used, the first shelf 4 and the movable slide rail 32 can be formed as a whole, with high connection strength, but disassembly is relatively difficult. When snap-fit ​​fixing is used, snaps and slots are respectively provided on the first shelf 4 and the movable slide rail 32. Quick connection and disassembly are achieved through the cooperation of snaps and slots, and the operation is simple.

[0097] When the stop block 51 is provided on the movable slide rail 32, the interference between the movable slide rail 32 and the shelf connector 10 during the movement of the movable slide rail 32 needs to be taken into account; when the stop block 51 is provided on the first shelf 4, the interference between the fixed slide rail 31 and the first shelf 4 also needs to be taken into account.

[0098] When the first mating post 52 is provided on the movable slide rail 32, the interference between the movable slide rail 32 and the shelf connector 10 during the movement of the movable slide rail 32 needs to be taken into account; when the first mating post 52 extends in the left and right direction, the first mating post 52 is welded or riveted to the movable slide rail 32; when the first mating post 52 is provided on the first shelf 4, the interference between the shelf connector 10 and the first shelf 4 also needs to be taken into account; when the first mating post 52 extends in the left and right direction, the first mating post 52 is welded or riveted to the shelf connector 10.

[0099] Considering that the movable slide rail 32 is small in size and it is not convenient to install the stop block 51, in some embodiments, the first mating post 52 is set on the shelf connector 10 and the stop block 51 is set on the first shelf 4. This arrangement facilitates the installation of the stop block 51 and the first mating post 52.

[0100] The stop block 51 is disposed on the first shelf 4. The placement of the stop block 51 must be chosen to ensure that it can effectively perform its stopping function without affecting the normal load-bearing function of the first shelf 4. Generally, the stop block 51 is installed at a suitable position on the edge of the first shelf 4. This position should avoid conflict with the items placed on the first shelf 4, and also ensure that it can cooperate with the first mating post 52 during movement to achieve a precise stopping effect. At the same time, when installing the stop block 51, its installation must be secure. Appropriate fastening methods, such as bolt fixing, can be used to prevent the stop block 51 from loosening or falling off during use, which would affect the normal operation of the entire household appliance structure 100.

[0101] In summary, in embodiments where the shelf connector 10 is configured as the swing arm 22 or the fixed slide rail 31, and the shelf assembly 20 is configured as the movable slide rail 32 or the first shelf 4, there can be various combinations of configurations. For example, the stop block 51 is located on the fixed slide rail 31, and the first mating post 52 is located on the movable slide rail 32; the stop block 51 is located on the fixed slide rail 31, and the first mating post 52 is located on the first shelf 4; the stop block 51 is located on the swing arm 22, and the first mating post 52 is located on the movable slide rail 32; the stop block 51 is located on the swing arm 22, and the first mating post 52 is located on the first shelf 4.

[0102] Alternatively, the stop block 51 may be located on the movable slide rail 32, and the first mating post 52 may be located on the fixed slide rail 31; the stop block 51 may be located on the movable slide rail 32, and the first mating post 52 may be located on the swing arm 22; the stop block 51 may be located on the first shelf 4, and the first mating post 52 may be located on the fixed slide rail 31; the stop block 51 may be located on the first shelf 4, and the first mating post 52 may be located on the swing arm 22.

[0103] All of the above configuration methods belong to the technical solutions protected by this utility model. In a preferred embodiment, the stop block 51 is provided on the first shelf 4, the first mating post 52 is provided on the swing arm 22, the space on the first shelf 4 is used for the stop block 51 to be arranged, and the first mating post 52 occupies less space and is also easy to be set on the swing arm 22.

[0104] The stop block 51 is provided with a first guide groove 512 that mates with the first mating post 52. The length of the first guide groove 512 directly determines the size of the stop block 51. The relative travel distance between the fixed slide rail 31 and the movable slide rail 32 can be equal to the length of the first guide groove 512, or the length of the first guide groove 512 can be less than the relative travel distance between the fixed slide rail 31 and the movable slide rail 32. A longer first guide groove 512 results in a poorer appearance and a worse user experience for the stop block 51.

[0105] In some embodiments, please continue reading Figure 1 and Figure 2 The stop block 51 is located at the front end of the first shelf 4. Specifically, during the sliding motion of the shelf assembly 20 from front to back into the receiving cavity 11, the front end of the first shelf 4 enters the receiving cavity 11 only at the end of the stroke. At this time, the stop block 51 also engages with the first mating post 52 at the end of the stroke. The length of the first guide groove 512 on the stop block 51 can be set shorter, simplifying the design of the stop block 51 and improving its appearance.

[0106] In some embodiments, please refer to Figure 3 , Figure 4 and Figure 5 The movable slide rail 32 and the first shelf 4 are connected by a connecting block 9, which can connect the connecting block 9 and the stop block 51 into one unit. During the movement, the coordination between the two is better, and the movement of the first shelf 4 can be controlled more precisely, thereby improving the stability and reliability of the operation of the household appliance structure 100.

[0107] Specifically, the connecting block 9 and the stop block 51 can be fixed together by means of snap-fit ​​connection, threaded connection, or welding connection. Different connection methods can be flexibly selected according to actual production needs and cost considerations. Snap-fit ​​connection is convenient to install and disassemble, making it suitable for scenarios requiring frequent disassembly or maintenance; threaded connection provides a more stable connection and can adapt to different usage requirements by adjusting the tightness of the threads; welding connection has the advantages of high connection strength and good sealing performance, making it suitable for household appliance structures 100 with high requirements for structural stability and sealing. In practical applications, appropriately selecting the connection method based on the specific structural design and usage environment can further improve the overall performance of the household appliance structure 100.

[0108] In some embodiments, the connecting block 9 and the stop block 51 are integrally formed, eliminating additional connection processes, reducing the number of parts, simplifying the assembly process, lowering production costs, and preventing problems such as loosening and detachment due to weak connections. This further enhances the overall strength and stability of the household appliance structure 100. The integral forming design eliminates gaps between the connecting block 9 and the stop block 51, reducing the possibility of dust, water stains, and other impurities entering the structure, improving its cleanliness and durability. This is particularly suitable for household appliances with high hygiene requirements, such as dishwashers. Simultaneously, the integral forming process ensures the dimensional accuracy and shape consistency of the connecting block 9 and the stop block 51, making the household appliance structure 100 more stable and reliable during operation.

[0109] In application scenarios where the shelf assembly 20 not only moves in the front-to-back direction but also in the vertical direction, please refer to some embodiments. Figure 9 , Figure 10 and Figure 11The shelf connector 10 includes a swing arm 22 and a fixed slide rail 31. One end of the swing arm 22 is hinged to the inner wall of the receiving cavity 11, and the other end is hinged to the fixed slide rail 31. The shelf assembly 20 includes a first shelf 4 and a movable slide rail 32. The first shelf 4 and the movable slide rail 32 are fixedly connected. The movable slide rail 32 and the fixed slide rail 31 are slidably installed in the front-back direction. The swinging movement of the swing arm 22 causes the first shelf 4 to switch between a low position and a high position. Corresponding to the low position, the fixed slide rail 31 and the movable slide rail 32 move relative to each other, so that the first shelf 4 has a bottom initial position that is entirely inside the receiving cavity 11 and a bottom lifting position that is at least partially outside the receiving cavity 11. During the process of the first shelf 4 moving from the bottom lifting position to the bottom initial position, the first mating post 52 is inserted from the inlet 5121 into the first guide groove 512. This design allows the first shelf 4 to move flexibly and stably in both the front-back and vertical directions. When the first shelf 4 needs to be lifted from its initial bottom position, the swing arm 22 swings upward around the hinge point, causing the first shelf 4 to gradually change from a low position to a high position. At the same time, the movable slide rail 32 slides forward along the fixed slide rail 31, causing part of the first shelf 4 to move out of the receiving cavity 11 for easy access to items. After the items are placed, the swing arm 22 swings downward, causing the first shelf 4 to descend. The movable slide rail 32 slides backward along the fixed slide rail 31, and the first shelf 4 returns to its initial bottom position within the receiving cavity 11. During this process, the first mating post 52 is inserted from the inlet 5121 into the first guide groove 512, ensuring the accuracy and stability of the movement and improving the convenience and reliability of the entire household appliance structure 100.

[0110] It is understood that under the swinging movement of the swing arm 22, the first shelf 4 has a high position and a low position. In the high position or the low position, the relative movement between the movable slide rail 32 and the fixed slide rail 31 makes the first shelf 4 have two different positions.

[0111] Specifically, the first shelf 4 has a bottom initial position that is entirely inside the receiving cavity 11, a bottom liftable position that is at least partially outside the receiving cavity 11, a top lift limit position that is lifted to the top limit position, and a top lock position after being pulled forward and locked.

[0112] During the process of the first shelf 4 switching from the low position to the high position, the first shelf 4 sequentially passes through the bottom initial position, the bottom to be lifted position, the top to be lifted limit position, and the top locking position.

[0113] During the process of the first shelf 4 switching from the high position to the low position, the first shelf 4 sequentially passes through the top locking position, the top lifting limit position, the bottom lifting position, and the bottom initial position.

[0114] During the process of the first shelf 4 moving from the bottom to the bottom initial position, the first guide groove 512 of the stop block 51 and the first mating post 52 engage to stop the first shelf 4 from moving backward, thereby reducing the risk of impacting the rear side wall of the inner liner.

[0115] The position of the hinge point of the swing arm 22 within the receiving cavity 11 determines the swing stroke of the swing arm 22. The closer the hinge point is to the door of the household appliance, the greater the swing stroke, and vice versa. Therefore, the hinge point needs to be located at the front end of the receiving cavity 11.

[0116] Based on the foregoing analysis, the stop block 51 is also located at the front end of the first shelf 4. As the first shelf 4 moves from the bottom to the initial bottom position, the stop block 51 gradually approaches the swing arm 22. This arrangement makes full use of the internal space of the household appliance, making the overall structure more compact and reasonable.

[0117] It should be noted that during the process of the first shelf 4 moving from the top lifting limit position to the top locking position, the position between the first shelf 4 and the swing arm 22 needs to be locked to reduce the probability that the swing arm 22 will automatically swing back and fall due to gravity.

[0118] In some embodiments, please refer to Figure 3 A locking block 30 is provided on the first shelf 4, and a second guide groove 301 is provided on the locking block 30; a second mating post 302 is provided on the swing arm 22; the second guide groove 301 extends at least partially in an arc shape; corresponding to the high position state, the second mating post 302 is inserted into the second guide groove 301. Through the combined action of the second mating post 302 and the second guide groove 301, the swing arm 22 and the first shelf 4 are relatively fixed, ensuring the safety and reliability of the overall structure in the high position state.

[0119] For the second guide groove 301, please refer to [link / reference needed]. Figure 3It can be a groove segment with an arc-shaped extension and a groove segment with a straight extension. During the swinging process, the second mating column 302 first engages with the arc-shaped extension groove segment. During the process of the first shelf 4 moving from the top lifting limit position to the top locking position, the second mating column 302 then engages with the straight extension groove segment to achieve limiting and locking.

[0120] In some embodiments, a spring clip is also provided at the straight-extending groove segment to confine the second mating post 302 within the straight-extending groove segment.

[0121] In some embodiments, please continue reading Figure 3 The stop block 51 and the locking block 30 are spaced apart on the first shelf 4 in the front-back direction, and the stop block 51 is located in front of the locking block 30. This arrangement allows the first shelf 4 to switch flexibly and smoothly between the above-mentioned positions, further improving the stability and safety of the entire household appliance structure 100 during operation. At the same time, this spaced arrangement in the front-back direction also makes the layout of each component more reasonable and makes full use of the space of the first shelf 4.

[0122] The first mating post 52 and the second mating post 302 can be located at different positions on the same swing arm 22 to accommodate the mating of the first mating post 52 and the first guide groove 512, and the mating of the second mating post 302 and the second guide groove 301.

[0123] In an embodiment where two swing arms 22 are provided and are respectively located at the left and right ends of the first shelf 4, the first mating post 52 and the second mating post 302 can be respectively located on different swing arms 22.

[0124] In one embodiment where the fixed slide rail 31 connects two swing arms 22, the first mating post 52 and the second mating post 302 can be respectively disposed on different swing arms 22.

[0125] The stop block 51 can be made of rubber or plastic. Plastic has higher hardness and smaller deformation; rubber has lower hardness and can have larger deformation. In embodiments where the deformation energy absorption of the stop block 51 is required, the stop block 51 can be made of rubber.

[0126] After the shelf assembly 20 is moved into the receiving cavity 11, it is also necessary to keep the shelf assembly 20 and the receiving cavity 11 fixed to reduce the risk of the shelf assembly 20 automatically detaching from the inside. In some embodiments, please refer to Figure 4 , Figure 5 and Figure 6 A locking part 6 is provided on the stop block 51. The locking part 6 is elastically movable along the width direction of the first guide groove 512 and can at least partially extend into the first guide groove 512 to limit the first mating post 52 within the first guide groove 512. With this configuration, when the shelf assembly 20 moves into the receiving cavity 11, the locking part 6 can effectively prevent the shelf assembly 20 from automatically dislodging without human operation by utilizing its elastic movable characteristics, thereby enhancing the stability of the household appliance structure 100 and greatly improving the safety of the user during use.

[0127] It is understood that the width direction of the first guide groove 512 is perpendicular to the extension direction of the first guide groove 512. When the first guide groove 512 extends in the front-back direction, the width direction of the first guide groove 512 is either up-down or left-right. When the first guide groove 512 extends in the left-right direction, the width direction of the first guide groove 512 can be either up-down or front-back.

[0128] In some embodiments, the shelf assembly 20 moves in the front-back direction. In order to accommodate the movement of the shelf assembly 20, the inlet of the first guide groove 512 is opened at one end of the stop block 51 in the front-back direction, so that the first mating post 52 mates with the first guide groove 512 in the front-back direction. At this time, the width direction of the first guide groove 512 is along the up-down direction.

[0129] It should be noted that during the movement of the first mating post 52 in the first guide groove 512, the locking part 6 is elastically movable, and part of the kinetic energy of the first mating post 52 is converted into the elastic potential energy of the locking part 6 and dissipated, thereby reducing the kinetic energy of the first mating post 52 and reducing the risk of the shelf assembly 20 hitting the rear side wall of the receiving cavity 11.

[0130] The first mating post 52 is inserted into the first guide groove 512. The first mating post 52 also needs to have a certain distance between it and the inner sidewall of the first guide groove 512 to reduce the possibility of the first mating post 52 getting stuck in the first guide groove 512.

[0131] Please see Figure 6The first guide groove 512 has a bottom wall 5124 opposite to the inlet 5121, a first side wall 5122 and a second side wall 5123 opposite to each other in the vertical direction, the second side wall 5123 is provided with a connecting port 5171, and the locking part 6 extends into the first guide groove 512 through the connecting port 5171; the first guide groove 512 also has a third side wall connected to the first side wall 5122 and the second side wall 5123.

[0132] In some embodiments, the groove depth of the first guide groove 512 at the second groove sidewall 5123 is greater than the groove depth at the first groove sidewall 5122. On the one hand, this can ensure the effective engagement length between the first mating post 52 and the locking part 6. On the other hand, the distance between the first mating post 52 and the third groove sidewall can be set to be larger to reduce the situation where the first mating post 52 and the third groove sidewall are tightly stuck together.

[0133] Specifically, a protrusion 516 is partially provided on the stop block 51, and the second groove sidewall 5123 is located at the protrusion 516. The height of the protrusion 516 is the depth difference between the second groove sidewall 5123 and the first groove sidewall 5122. In addition, the provision of the protrusion 516 allows the receiving space 517 to be set larger, which facilitates the setting of the elastic member 62 and the buffer head 61.

[0134] Please continue reading. Figure 6 In some embodiments, to facilitate the quick and smooth entry of the first mating post 52 into the inlet 5121 of the first guide groove 512, the width of the first guide groove 512 gradually decreases from the head end 513 of the stop block 51 towards its tail end 514. This maximizes the width of the first guide groove 512 at the inlet 5121, with the width gradually decreasing as it extends into the groove, forming a funnel-like structure that provides good guidance. When the first mating post 52 approaches the inlet 5121, the larger inlet width makes it easier for the first mating post 52 to align and enter, while the gradually decreasing groove width constrains and guides the first mating post 52 during entry, allowing it to move smoothly into the groove and avoiding jamming or deviation. This improves the efficiency and stability of the entire assembly structure.

[0135] In addition, the first guide groove 512 extends in a straight line in the front-back direction. Relative to the relative movement between the fixed slide rail 31 and the movable slide rail 32, the extension direction of the first guide groove 512 is adapted to the movement path of the shelf assembly 20, which facilitates the smooth movement of the entire household appliance structure 100.

[0136] During the stop-and-abutment engagement between the first mating post 52 and the bottom wall 5124 of the first guide groove 512, in order to reduce damage to the first mating post 52, the wall surface of the bottom wall 5124 is set as an arc-shaped surface to reduce damage to the first mating post 52 by the protrusion.

[0137] The radius of curvature of the arc surface of the bottom wall 5124 of the groove can be the same as that of the first mating post 52, or it can be larger than the radius of curvature of the first mating post 52.

[0138] The locking part 6 is elastically movable by forming a suspension arm on a portion of the inner wall of the first guide groove 512, and the connection between the suspension wall and the inner wall of the first guide groove 512 can deform so that the free end of the suspension arm can move elastically.

[0139] In some embodiments, please continue reading Figure 6 A receiving space 517 is provided within the stop block 51, and the receiving space 517 is connected to the first guide groove 512 through a connecting port 5171. The locking part 6 includes a buffer head 61 and an elastic member 62. The buffer head 61 is movably disposed within the receiving space 517 through the elastic member 62, and at least a portion of the buffer head 61 can extend into the first guide groove 512 through the connecting port 5171. The elastic movement of the elastic member 62 causes the buffer head 61 to move elastically. When the first mating post 52 moves within the first guide groove 512 and contacts the buffer head 61, the buffer head 61 will elastically retract under the action of the elastic member 62, thereby absorbing part of the impact energy of the first mating post 52, further reducing the possibility of the shelf assembly 20 hitting the rear side wall of the receiving cavity 11. This not only improves the stability of the household appliance structure 100 during use, but also extends the service life of the household appliance. Meanwhile, due to the cooperation between the buffer head 61 and the elastic element 62, the locking part 6 can not only limit the first mating post 52, but also play a certain role in buffering and shock absorption, thus improving the user experience.

[0140] The buffer head 61 not only needs to be elastically movable, but also needs to be limited in its elastically movable stroke. Under normal circumstances, the insertion depth of the buffer head 61 in the first guide groove 512 cannot be too large, otherwise it may affect the normal movement of the first mating post 52 in the first guide groove 512, or even prevent the first mating post 52 from passing the buffer head 61. The insertion depth of the buffer head 61 in the first guide groove 512 cannot be too small, otherwise after the first mating post passes the buffer head 61, it cannot be locked on the side of the buffer head 61 facing the bottom wall 5124 of the groove.

[0141] In some embodiments, please continue reading Figure 6 The accommodating space 517 has a first inner sidewall 5172 opposite to the connecting port 5171 and two second inner sidewalls 5173 arranged opposite each other in the front-back direction. Along the direction of the first inner sidewall 5172 toward the connecting port 5171, the two second inner sidewalls 5173 are arranged close to each other. Correspondingly, along the direction of the first inner sidewall 5172 toward the connecting port 5171, the cross-sectional area of ​​the buffer head 61 is gradually reduced. The two second inner sidewalls 5173 play a guiding role for the buffer head 61, so that the buffer head 61 moves more smoothly during the process and reduces the risk of jamming.

[0142] It is understood that the slopes of the two second inner sidewalls 5173 are consistent with the slopes of the outer side of the buffer head 61, so that when the buffer head 61 moves upward to its limit position, the two second inner sidewalls 5173 and the corresponding two outer side of the buffer head 61 are in close contact to limit the upward movement of the buffer head 61.

[0143] Furthermore, in order to guide the activity of the buffer head 61, in some embodiments, please refer to... Figure 6 The stop block 51 has a mating groove 72 on its mounting side 511, which connects to the receiving space 517. The buffer head 61 has a guide rib 71 extending vertically. The guide rib 71 and the mating groove 72 are slidably fitted together. This sliding fit between the guide rib 71 and the mating groove 72 allows for more precise guidance of the buffer head 61 along a predetermined trajectory, effectively preventing deviation or wobbling during movement and further improving the stability and reliability of the buffer head 61's movement. Simultaneously, the relative sliding between the guide rib 71 and the mating groove 72 during the movement of the buffer head 61 also provides a certain degree of cushioning, reducing impact forces between components and extending their service life.

[0144] The guide rib 71 and the buffer head 61 can be connected as one piece, such as by a snap-fit, threaded connection structure or welding, or they can be integrally molded, such as by injection molding.

[0145] During the process of the user pushing the shelf assembly 20 into the receiving cavity 11, in order to facilitate identification of whether it has been pushed into place, in some embodiments, please refer to [the relevant documentation]. Figure 7 and Figure 8 The stop block 51 has an installation side end 511 and a connecting side end 518 facing each other in the left-right direction. The first guide groove 512 is provided on the installation side end 511. The connecting side end 518 forms a downwardly facing abutment surface 5181. The receiving space 517 is provided through the side end face of the connecting side end 518. The buffer head 61 is connected to a limiting plate 519. When the buffer head 61 moves from the receiving space 517 into the first guide groove 512, the limiting plate 519 can move to impact the abutment surface 5181. With this configuration, the user can accurately identify the shelf assembly 20 being pushed into place by the impact sound. At the same time, it also avoids the user from pushing the shelf assembly 20 into place with excessive force due to inaccurate judgment of the pushing position, thereby causing unnecessary damage to the household appliance structure 100. This method of identifying the pushing position by the impact sound is simple and intuitive, requiring no additional complex devices or operations, reducing the manufacturing cost and difficulty of use of the product, and improving the user experience.

[0146] The elastic element 62 can be an elastic pad or a sleeve such as a spring. In order to reduce the twisting of the elastic element 62 within the receiving space 517, in some embodiments, please refer to [the relevant documentation]. Figure 7 and Figure 8 The buffer head 61 is provided with a columnar portion 63, which is connected to one end of the limiting plate 519 facing away from the abutment surface 5181. The elastic member 62 is arranged around the columnar portion 63. A ring-shaped portion 520 is also formed on one side of the connecting end 518 of the stop block 51. At least part of the columnar portion 63 and the elastic member 62 are located in the ring-shaped portion 520. Through the cooperation of the columnar portion 63 and the ring-shaped portion 520, the twisting of the elastic member 62 is well restricted, and the movement of the buffer head 61 is also well guided.

[0147] In addition, to facilitate the installation of the elastic member 62, a notch 5201 can be provided on the side surface of the annular fitting portion 520, so that the elastic member 62 can be installed into the annular fitting portion 520 through the notch 5201, thereby achieving the purpose of quick installation.

[0148] In some household appliances, a second shelf 8 is provided in the inner liner. The second shelf 8 is located above the first shelf 4. After the first shelf 4 is raised to its top limit position, the first shelf 4 can be in front of the second shelf 8.

[0149] The following describes the user's experience using a household appliance (dishwasher) with reference to the structure of the first shelf 4:

[0150] 1. The first shelf 4 is in the initial position at the bottom, such as... Figure 10 As shown:

[0151] This state indicates that the user is not using the appliance, has just started using it, or has finished using it. In these states, the first shelf 4 is located within the receiving cavity 11 of the household appliance. Figure 10 As can be seen, the first shelf 4 is retracted into the receiving cavity 11; at this time, the fixed slide rail 31 and the movable slide rail 32 move relative to each other to the minimum stroke position, and the first mating post 52 on the swing arm 22 and the first guide groove 512 on the stop block 51 cooperate. The stop block 51 is used to stop the first shelf 4 from continuing to move backward after moving to the preset position to hit the inner liner of the household appliance;

[0152] 2. The first shelf 4 is in the bottom position to be lifted, such as... Figure 11 As shown:

[0153] This state is when the user pulls out the first shelf 4 from the receiving cavity 11, or when the user lowers the first shelf 4 after using it. In these states, the first shelf 4 is at the opening 12 of the receiving cavity 11. At this time, the fixed slide rail 31 and the movable slide rail 32 move relative to each other to their maximum stroke, and the first mating post 52 on the swing arm 22 and the first guide groove 512 on the stop block 51 separate.

[0154] 3. The first shelf 4 is at its maximum lifting position at the top, such as... Figure 12 As shown:

[0155] This state is when the user raises the first shelf 4, or when the user exits the lock after using the first shelf 4. In these states, the first shelf 4 is at its maximum height. At this time, the fixed slide rail 31 and the movable slide rail 32 are still at their maximum relative travel. The second guide groove 301 on the locking block 30 and the second mating post 302 on the swing arm 22 are engaged.

[0156] The following will describe a complete user experience flow, based on the above embodiments:

[0157] When a user needs to use a household appliance, they first open the appliance's door. The user then pulls the first shelf 4 forward from the bottom initial position out of the receiving cavity 11 to the bottom lifting position. With the combined effect of the swing arm 22, the user continues to pull the first shelf 4 forward and upward, causing the first shelf 4 to move from the bottom lifting position to the top lifting limit position. The user continues to pull the first shelf 4 forward, causing the first shelf 4 to move from the top lifting limit position to the top locking position. In the locked state, the user can retrieve and place items in the first shelf 4 with reduced bending frequency.

[0158] When the user finishes retrieving or placing the item, the user pushes the first shelf 4 backward to unlock it and move it from the top unlocked position to the top raised limit position; the user lowers the first shelf 4 so that it moves from the top raised limit position to the bottom ready-to-raise position; the user continues to push the first shelf 4 backward to move it from the bottom ready-to-raise position to the bottom initial position. When the first shelf 4 is in the bottom initial position, the user can close the door to complete the use of the household appliance.

[0159] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. A household appliance structure, characterized in that, include: The housing has a receiving cavity, and the front side of the receiving cavity has an opening; A shelf connector and a shelf assembly, the shelf connector being connected between the housing and the shelf assembly, the shelf assembly being movable relative to the shelf connector in a front-rear direction; and... A stop structure includes a stop block, wherein the stop block is provided on one of the shelf connector and the shelf assembly, and the other of the shelf connector is provided with a first mating post; the stop block is provided with a first guide groove, and the stop block has a head end and a tail end in the front-rear direction, and the first guide groove passes through the head end to form an inlet. The shelf assembly moves from front to back relative to the shelf connector, and when it enters the receiving cavity from the opening, the first mating post is inserted from the inlet into the first guide groove to stop the shelf assembly from moving toward the rear sidewall of the receiving cavity.

2. The household appliance structure as described in claim 1, characterized in that, The household appliance structure also includes a swing arm and a fixed slide rail. One end of the swing arm is hinged to the inner wall of the receiving cavity, and the other end is hinged to the fixed slide rail. The shelf assembly moves in the front-back direction relative to the fixed slide rail. The shelf connector includes at least one of the swing arm and the fixed slide rail.

3. The household appliance structure as described in claim 2, characterized in that, The stop block is mounted on the shelf assembly; The first mating post is located on the swing arm.

4. The household appliance structure as described in claim 1, characterized in that, The household appliance structure also includes a first shelf and a movable slide rail, the first shelf and the movable slide rail are fixedly connected, and the movable slide rail moves in the front-back direction relative to the shelf connector; The shelf assembly includes at least one of the first shelf and the movable slide rail.

5. The household appliance structure as described in claim 4, characterized in that, The first mating post is disposed on the shelf connector; The stop block is located on the first shelf.

6. The household appliance structure as described in claim 5, characterized in that, The stop block is located at the front end of the first shelf; and / or, The movable slide rail and the first shelf are connected by a connecting block. The connecting block and the stop block are integrally formed, or the connecting block and the stop block are connected as one piece.

7. The household appliance structure as described in claim 1, characterized in that, The shelf connector includes a swing arm and a fixed slide rail. One end of the swing arm is hinged to the inner wall of the receiving cavity, and the other end is hinged to the fixed slide rail. The shelf assembly includes a first shelf and a movable slide rail, the first shelf and the movable slide rail are fixedly connected, and the movable slide rail and the fixed slide rail are slidably installed in the front-back direction; The swinging motion of the swing arm causes the first shelf to switch between a low position and a high position. Corresponding to the low position, the fixed slide rail and the movable slide rail move relative to each other, so that the first shelf has an initial bottom position that is entirely inside the receiving cavity and a bottom position that is at least partially outside the receiving cavity and is ready to be lifted. During the process of the first shelf moving from the bottom to the initial bottom position, the first mating post is inserted into the first guide groove from the inlet.

8. The household appliance structure as described in claim 7, characterized in that, The first mating post is located on the swing arm, and the stop block is located on the first shelf. As the first shelf moves from the bottom to the initial bottom position, the stop block gradually approaches the swing arm.

9. The household appliance structure as described in claim 7, characterized in that, A locking block is provided on the first shelf, and a second guide groove is provided on the locking block; a second mating post is provided on the swing arm; the second guide groove extends at least partially in an arc shape; Corresponding to the high position state, the second mating post is inserted into the second guide groove.

10. The household appliance structure as described in claim 9, characterized in that, The stop block and the locking block are spaced apart on the first shelf in the front-back direction, and the stop block is located on the front side of the locking block.

11. The household appliance structure as described in claim 1, characterized in that, A locking part is provided on the stop block. The locking part is elastically movable along the width direction of the first guide groove and can at least partially extend into the first guide groove to limit the first mating post within the first guide groove.

12. The household appliance structure as described in claim 11, characterized in that, The stop block is provided with a receiving space, which is connected to the first guide groove through a connecting port; The locking part includes a buffer head and an elastic element. The buffer head is movably disposed in the receiving space through the elastic element, and at least a portion of the buffer head can extend into the first guide groove through the communication port.

13. The household appliance structure as described in claim 12, characterized in that, The accommodating space has a first inner wall opposite to the communication opening and two second inner walls arranged opposite to each other in the front-back direction. Along the direction of the first inner wall toward the communication opening, the two second inner walls are arranged close to each other. Correspondingly, the cross-sectional area of ​​the buffer head is gradually reduced along the direction from the first inner wall toward the communication port.

14. The household appliance structure as described in claim 12, characterized in that, The stop block has a mating groove on its mounting side, and the mating groove is connected to the receiving space; The buffer head is provided with guide ribs, which extend in the vertical direction and are slidably fitted with the mating groove.

15. The household appliance structure as described in claim 12, characterized in that, The stop block has an installation side end and a connecting side end that are opposite each other in the left-right direction. The first guide groove is provided on the installation side end, and the connecting side end forms a downwardly facing abutment surface. The receiving space is provided through the side end face of the connecting side end, and the buffer head is connected to a limiting plate. When the buffer head moves from the receiving space into the first guide groove, the limiting plate can move to impact the abutting surface.

16. The household appliance structure as described in claim 15, characterized in that, The buffer head is provided with a columnar portion, the columnar portion is connected to one end of the limiting plate facing away from the abutment surface, and the elastic element is arranged around the columnar portion; An annular portion is also formed on one side of the connecting end of the stop block, and at least part of the columnar portion and the elastic member are located within the annular portion.

17. The household appliance structure as described in claim 11, characterized in that, The first guide groove has a bottom wall opposite to the inlet, a first side wall and a second side wall opposite to each other in the vertical direction, and the second side wall is provided with a communication opening. The locking part extends into the first guide groove through the communication opening, wherein: The depth of the first guide groove corresponding to the sidewall of the second groove is greater than the depth of the first groove sidewall; and / or, The bottom wall of the tank has a smooth curved surface.

18. The household appliance structure as described in any one of claims 1 to 17, characterized in that, The first guide groove extends linearly along the front-to-back direction; and / or, The width of the first guide groove gradually decreases from the first end of the stop block toward its tail end.

19. A dishwasher, characterized in that, Includes the household appliance structure as described in any one of claims 1 to 18.

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