CN115493027A - Base assembly, embedded household appliance and mounting structure - Google Patents

Abstract

The invention discloses a base platform assembly, an embedded household appliance and a mounting structure, wherein the base platform assembly comprises a base; the base table body is arranged above the base and can move relative to the base; the front ends of the two opposite sides of the bottom table body corresponding to the moving direction are provided with universal wheels, and the rear ends of the two opposite sides of the bottom table body are provided with directional wheels; guide rail grooves are respectively formed in two opposite sides of the base and extend in the front-back direction of the base, and the directional wheels are located in the guide rail grooves so that the base body can move relative to the base; the universal wheel is positioned outside the guide rail groove and used for adjusting the offset angle of the base table body in the moving process. According to the base platform assembly, the base platform body can move relative to the base, so that the household appliance body can be driven to move to a preset position, the offset angle in the moving process can be adjusted, and the use experience of a user on the household appliance is improved.

Description

Base assembly, embedded household appliance and mounting structure

Technical Field

The invention belongs to the technical field of household electrical appliance equipment, and particularly relates to a base assembly, an embedded household electrical appliance and an installation structure.

Background

Along with the improvement of living standard of people, embedded household appliances are more and more popular with users. The household appliance is directly embedded into the fixed space, so that the appearance is attractive, and the occupied area is saved. But also causes a problem that the household appliance is not conveniently moved.

The chinese patent application No. 200580011264.6 discloses an embedded household appliance, which has an appliance element, a receiving device including an embedded cavity, and an appliance unit which is arranged in the receiving device and can be taken out of the receiving device when the appliance unit operates according to a specification, wherein the embedded household appliance includes a pull-out device, the pull-out device includes two pull-out slide rails, one slide rail is arranged at the bottom of the embedded cavity, the other slide rail is arranged at the bottom of the household appliance, and the household appliance is pulled out of the embedded cavity by the cooperation between the two slide rails. However, there is no specific disclosure of how to move the household appliance into or out of the insertion cavity, and the household appliance may deviate from the track when it is pulled out or reset.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art, and on one hand, the invention provides a base assembly capable of driving a household appliance body to move to a preset position;

another aspect of the present invention provides an embedded home appliance having the above base assembly;

still another aspect of the present invention provides a mounting structure having the above-described built-in home appliance.

In order to solve the technical problems, the invention adopts the technical scheme that:

in one aspect, the present invention provides a base table assembly comprising,

a base;

the base table body is arranged above the base and can move relative to the base;

the front end of the two opposite sides of the base table body corresponding to the moving direction is provided with universal wheels, and the rear end of the base table body is provided with directional wheels;

guide rail grooves are respectively formed in two opposite sides of the base and extend in the front-back direction of the base, and the directional wheels are located in the guide rail grooves so that the base body can move relative to the base; the universal wheel is positioned outside the guide rail groove and used for adjusting the offset angle of the base table body in the moving process.

In the scheme, the orientation wheels can drive the bottom table body to move relative to the base, and in the moving process, the universal wheels can adjust the offset angle of the bottom table body in the moving process.

Further, the base table assembly includes,

the driving assembly is arranged between the base table body and the base and used for driving the directional wheels to move in the guide rail groove along the extending direction of the guide rail groove;

preferably, the driving assembly comprises a driving motor and a transmission mechanism, and the transmission mechanism is arranged in the guide rail groove and connected with the output end of the driving motor;

the base table body comprises horizontal plates, the horizontal plates are arranged on two opposite sides of the base table body and are parallel to the plane of the base, and the horizontal plates have an extension length along the front-back direction of the base table body and are positioned above the transmission mechanism;

the driving motor controls the horizontal plate to move back and forth through the transmission mechanism.

Further, the transmission mechanism comprises a transmission mechanism,

the driving wheel is rotatably arranged in the guide rail groove and is in contact with the horizontal plate, and the friction force generated by the rotation of the driving wheel is utilized to drive the horizontal plate to move back and forth;

preferably, two side walls of the guide rail groove extend upwards to form a driving wheel support at a position in front of the base, and the driving wheel is connected with the driving wheel support through a rotating shaft; and the output end of the driving motor is connected with the rotating shaft.

Further, the base table body further comprises,

the reinforcing plate is provided with an extending height along the up-down direction of the base platform body, the upper end of the reinforcing plate is connected with the horizontal plate, and the lower end of the reinforcing plate extends towards the direction close to the base;

the inner wall of the reinforcing plate is in contact with the side wall of the driving wheel support and is used for limiting the moving direction of the base table body relative to the base.

In the scheme, the reinforcing plate is arranged to abut against the side wall of the transmission wheel bracket, so that the base table body can be prevented from deviating from the preset track in the moving process.

Further, the base table assembly further comprises,

the positioning part is arranged on the base;

and the locking part is arranged on the base table body and is matched with the positioning part so as to limit the movement of the base table body relative to the base.

In the above scheme, through the cooperation of locking part and location portion, can brake the location to the base frame body for the base frame body receives the braking power effect and is motionless in fixed position, and then realizes carrying out the location effect to the base frame body, makes the base frame body keep with the motionless purpose in fixed position.

Furthermore, the base comprises a rear side plate, the rear side plate is positioned at the rear part of the base and extends along the vertical direction of the base, and the positioning part is arranged on the surface of the rear side plate facing the base table body;

the bottom table body comprises a rear plate, the rear plate is positioned at the rear part of the bottom table body and is connected with the rear end of the horizontal plate, and a locking part matched with the positioning part is arranged on the rear plate;

preferably, an elastic buffer member is arranged between the positioning portion and the rear side plate, one end of the elastic buffer member is connected to the rear side plate, and the other end of the elastic buffer member is connected to the positioning portion.

Furthermore, the positioning part is a positioning cap, the bottom of the positioning cap is provided with an opening, and a hollow channel is arranged inside the positioning cap;

the locking part is a positioning pin which can move up and down in a telescopic way along the rear plate, and the positioning pin can be at least partially inserted into the hollow channel through the opening so as to limit the movement of the base table body relative to the base.

Furthermore, one side wall of the transmission wheel bracket facing the inside of the base is bent inwards and extends to form an extension plate, and a first stop switch is arranged on the extension plate;

the directional wheel comprises a fixed support, the fixed support is connected with the bottom of the base platform body, a first blocking piece is arranged on one side wall, close to the inside of the base platform body, of the fixed support in an inward protruding mode, and the first blocking piece abuts against the first stop switch to control the driving motor to stop moving.

Another aspect of the present invention provides an embedded household appliance having the above base assembly, comprising:

the front part of the shell is provided with an opening, and the base is arranged on a bottom plate of the shell;

the bottom table body is arranged at the bottom of the household appliance body;

the base body drives the household appliance body to move in or out of the shell through the opening.

In still another aspect of the present invention, there is provided a mounting structure having the above-mentioned built-in home appliance, including,

the household appliance cabinet comprises a cabinet body, wherein the household appliance is arranged in the cabinet body, and the front part of the cabinet body is provided with an opening for the household appliance body to enter and exit;

preferably, the cabinet body and the shell are of an integrated structure, or the shell is designed as a cabinet body;

preferably, the household appliance is a washing machine.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

according to the base table assembly provided by the invention, the orientation wheels can drive the base table body to move relative to the base, and in the moving process, the universal wheels can adjust the offset angle of the base table body in the moving process.

According to the bottom table assembly provided by the invention, the drive assembly drives the directional wheels to move in the guide rail grooves along the extending direction of the guide rail grooves, and the universal wheels move outside the guide rail grooves, so that the bottom table body can move back and forth.

According to the base table assembly provided by the invention, the reinforcing plate is arranged to abut against the side wall of the transmission wheel bracket, so that the base table body can be prevented from deviating from a preset track in the moving process.

According to the base platform assembly provided by the invention, the locking part is matched with the positioning part, so that the base platform body can be braked and positioned, the base platform body is still at a fixed position under the action of braking force, and the aim of positioning the base platform body and keeping the base platform body still at the fixed position is further fulfilled.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of a stage of the base assembly of the present invention.

FIG. 2 is a schematic view of another embodiment of the base assembly of the present invention.

FIG. 3 is a bottom view of one state of the base table assembly of the present invention.

FIG. 4 is a bottom view of another aspect of the base table assembly of the present invention.

FIG. 5 is a schematic view of a base of the base assembly of the present invention.

Fig. 6 is a schematic structural diagram of the embedded household appliance according to the present invention.

In the figure: 10. a base table assembly; 11. a base body; 111. a directional wheel; 112. a universal wheel; 1131. a horizontal plate; 1132. a reinforcing plate; 114. a back plate; 12. a base; 121. a guide rail groove; 122. a rear side plate; 13. a drive assembly; 131. a driving wheel; 132. a drive motor; 133. a transmission wheel bracket; 14. a positioning cap; 15. positioning pins; 16. an elastic buffer member; 17. a first stop switch; 18. a first baffle plate; 19. a second stop switch; 20. supporting feet; 100. an embedded household appliance; 101. a household appliance body; 102. a housing; 103. a front panel.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

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

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1-5, in one aspect, the present invention provides a base table assembly comprising, a base 12; a base body 11 disposed above the base 12 and movable relative to the base 12; the front ends of the two opposite sides of the base table body 11 corresponding to the moving direction are provided with universal wheels 112, and the rear ends are provided with directional wheels 111; two opposite sides of the base 12 are respectively provided with a guide groove 121, the guide grooves extend along the front-back direction of the base 12, and the orientation wheels 111 are located in the guide grooves 121, so that the base table body moves relative to the base; the universal wheel 112 is located outside the guide rail groove 121, and is used for adjusting the offset angle of the base table body in the moving process.

In the above scheme, the orientation wheel can drive the base platform body to move relative to the base, and in the moving process, the universal wheel can adjust the offset angle of the base platform body in the moving process.

In some embodiments, the base table assembly 10 includes a driving assembly 13 disposed between the base table body 11 and the base 12 for driving the orientation wheel 111 to move in the guide groove 121 along the extending direction of the guide groove 121;

preferably, the driving assembly 13 includes a driving motor 132 and a transmission mechanism, the transmission mechanism is disposed in the guide rail groove 121 and is connected to an output end of the driving motor 132;

the base table body 11 comprises horizontal plates 1131, which are installed on two opposite sides of the base table body 11 and are parallel to the plane of the base 12, and the horizontal plates 1131 have an extension length along the front-back direction of the base table body 11 and are located above the transmission mechanism;

the driving motor 132 controls the horizontal plate 1131 to move back and forth through the transmission mechanism.

As shown in fig. 1 and 2, the directional wheel 111 is located in the guide groove 121, the driving assembly 13 can drive the directional wheel 111 to move in the guide groove 121 along the extending direction of the guide groove 121, that is, the directional wheel 111 can move back and forth in the guide groove 121, the universal wheel 112 is located outside the guide groove 121, and when the directional wheel 111 moves back and forth, the universal wheel 112 also moves back and forth outside the guide groove 121, so as to drive the base table body 11 to move back and forth along the base 12.

In the above solution, the driving assembly 13 drives the directional wheel 111 to move in the guide rail groove 121 along the extending direction of the guide rail groove 121, and the universal wheel 112 moves outside the guide rail groove 121, so that the base table body 11 can move back and forth.

The driving assembly 13 may also be disposed on the guide rail groove 121, so that the directional wheel 111 moves in the guide rail groove 121 along the extending direction of the guide rail groove 121, and the universal wheel 112 moves outside the guide rail groove 121.

As shown in fig. 5, support feet 20 are respectively disposed at four corners of the bottom of the base 12, and during movement, the lowest point of the universal wheel 112 and the lowest point of the support feet 20 are located on the same horizontal plane. That is, the support feet 20 and the universal wheels 112 are both in direct contact with the ground or other floor of the cabinet, and the universal wheels 112 move on the ground or floor of the cabinet.

In some embodiments, the driving motor 132 has a self-locking function, and when the base table body 11 moves forward to a predetermined position relative to the base 12, the driving motor 132 activates the self-locking function to lock the base table body 11.

In some embodiments, as shown in fig. 2, the transmission mechanism includes,

the transmission wheel 131 is rotatably arranged in the guide rail groove 121 and is in contact with the horizontal plate 1131, and the friction force generated by the rotation of the transmission wheel 131 is utilized to drive the horizontal plate 1131 to move back and forth;

the transmission mechanism is realized by converting the rotation of the driving motor 132 into the back-and-forth movement of the horizontal plate 1131, and the transmission mechanism may adopt a gear-rack structure, or adopt other structures such as a transmission roller; for example: when a gear and rack structure is adopted, the central axis of the gear is connected with the output end of the driving motor 132, the gear is meshed with the rack, the rack is fixedly connected with the horizontal plate 1131, and when the driving motor 132 rotates, the gear is driven to rotate, so that the rack and the horizontal plate 1131 are driven to move. When the driving roller is used, the driving roller is rotatably disposed in the guide groove 121, and contacts with the horizontal plate 1131, and the horizontal plate 1131 is driven to move back and forth by the friction force generated by the rotation of the driving roller.

Preferably, two side walls of the guide groove 121 extend upwards to form a driving wheel bracket 133 at a position in front of the base 12, and the driving wheel 131 is connected with the driving wheel bracket 133 through a rotating shaft; the output end of the driving motor 132 is connected with the rotating shaft.

In some embodiments, as shown in fig. 4, the bed body 11 further comprises,

the reinforcing plate 1132 has an extending height along the vertical direction of the base body 11, the upper end of the reinforcing plate is connected with the horizontal plate 1131, and the lower end of the reinforcing plate extends in a direction close to the base 12;

the inner wall of the reinforcing plate 1132 is in contact with the side wall of the driving wheel holder 133 to limit the moving direction of the base body 11 relative to the base 12.

It is understood that the stiffener 1132 may be integrally formed with the horizontal plate 1131 or may be separately formed and then connected.

In the above-described aspect, by providing the reinforcing plate 1132 to abut against the side wall of the driving wheel holder 133, the base body 11 can be prevented from deviating from the predetermined trajectory during the movement.

The base body 11 includes at least two reinforcing plates 1132, and when there are two reinforcing plates 1132, the reinforcing plates 1132 can contact with the side walls of the driving wheel brackets 133 at two opposite sides of the base 12, which face the outside of the base 12; when the number of the reinforcing plates 1132 is four, the reinforcing plates can be respectively contacted with the sidewall of the driving wheel supporter 133 facing the outside of the base 12 and the sidewall of the driving wheel supporter 133 facing the inside of the base 12 at the opposite sides of the base 12, thereby preventing the washing machine from deviating from the direction during the forward movement.

In some embodiments, as shown in fig. 2, the base assembly 10 further includes a positioning portion disposed on the base 12;

and a locking part provided on the base body 11 and engaged with the positioning part to restrict movement of the base body 11 relative to the base 12.

In the above scheme, through the cooperation of the locking part and the positioning part, the base table body 11 can be braked and positioned, so that the base table body 11 is still at a fixed position under the action of braking force, and further the positioning effect on the base table body 11 is realized, and the base table body 11 is kept still at the fixed position.

Further, the base 12 includes a rear side plate 122, which is located at the rear of the base 12 and extends along the vertical direction of the base 12, and the positioning portion is disposed on the surface of the rear side plate 122 facing the base body 11;

the base platform body 11 comprises a rear plate 114, the rear plate is positioned at the rear part of the base platform body 11 and is connected with the rear end of the horizontal plate 1131, and a locking part matched with the positioning part is arranged on the rear plate 114;

preferably, an elastic buffer 16 is disposed between the positioning portion and the rear side plate 122, one end of the elastic buffer 16 is connected to the rear side plate 122, and the other end is connected to the positioning portion.

The elastic buffer member includes a spring for buffering vibration of the home appliance body 101.

Furthermore, the positioning part is a positioning cap 14, the bottom of the positioning part is provided with an opening, and a hollow channel is arranged inside the positioning part;

the locking part is a positioning pin 15 capable of moving up and down telescopically along the rear plate 114, and the positioning pin 15 can be at least partially inserted into the hollow channel through the opening to limit the movement of the base table body 11 relative to the base 12.

Specifically, the positioning pin 15 is connected to a motor through a transmission device, and the positioning pin 15 is driven by the motor to automatically extend or retract through the transmission device. When the motor control positioning pin 15 moves to a position where no part penetrates the positioning cap 14, the base table body 11 is unlocked, so that the base table body 11 can move; when the motor control positioning pin 15 is moved to be at least partially inserted into the positioning cap 14, the base table body 11 is locked, and the base table body 11 is not movable.

In some embodiments, as shown in fig. 3 and 5, the driving wheel bracket 133 is bent and extended inward toward a side wall inside the base 12 to form an extension plate, and the extension plate is provided with a first stop switch 17;

the directional wheel 111 includes a fixed bracket connected to the bottom of the base platform body 11, a first blocking piece 18 is disposed on a side wall of the fixed bracket near the inside of the base platform body 11 and protrudes inwards, and the first blocking piece 18 abuts against the first stop switch 17 to control the driving motor 132 to stop moving.

In some embodiments, a second stop switch 19 is disposed on a surface of the rear plate 114 facing the base body 11, and is engaged with a rear side plate 122 of the base body 11.

The second stop switch 19 is electrically or magnetically connected to the motor, and when the second stop switch 19 is actuated, the motor is turned on to drive the positioning pin 15 to move, so that the positioning pin is inserted into or extends out of the positioning cap 14, thereby locking the position of the base platform body 11.

As shown in fig. 6, another aspect of the present invention provides an embedded home appliance 100 having the above-described base assembly 10, including:

a housing 102 having an opening at the front, the base 12 being provided on the bottom plate of the housing 102;

the household appliance body 101 is provided with the bottom table body 11 at the bottom;

the base body 11 carries the household appliance body 101 into or out of the housing 102 through the opening.

It is understood that the built-in home appliance 100 is provided with an opening at the front, i.e. in a direction toward a user, and the base body 11 with the home appliance body 101 moves into or out of the housing 102 through the opening.

Preferably, the front of the household appliance body is provided with a front panel 103 to form a door body that can open or close the opening.

The present invention provides, in still another aspect, a mounting structure having the above-described built-in home appliance 100, including,

the household appliance cabinet comprises a cabinet body, wherein the household appliance is installed in the cabinet body, and the front part of the cabinet body is provided with an opening for the household appliance body to enter and exit;

preferably, the cabinet body and the shell are of an integrated structure, or the shell is designed as a cabinet body;

preferably, the household appliance is a washing machine.

Preferably, the front portion of the household appliance body is provided with a front panel 11 to form a door body that can open or close the opening.

The cabinet body may be a kitchen cabinet, a bathroom cabinet in a bathroom, or the like, or may be a structure capable of forming an installation space for home appliances in other homes. The household appliance body is a barrel assembly capable of realizing a washing function in the washing machine and comprises an outer barrel, an inner barrel, a motor for driving the inner barrel to rotate, a damping module for supporting the outer barrel and the inner barrel and a frame.

When the user needs to automatically move the washing machine out, the user controls the driving motor 132 to start to operate by using a remote controller or pressing a function key arranged on the washing machine, so as to drive the driving wheel 131 to rotate, the horizontal plate 1131 is driven to move forwards by using the friction force generated by the rotation of the driving wheel 131, so that the directional wheel 111 moves forwards along the track groove, the universal wheel 112 moves forwards outside the guide rail groove 121, so that the base body 11 with the household appliance body moves forwards relative to the base 12, after the base body moves to a preset position, the first baffle arranged on the positioning bracket of the directional wheel 111 contacts with the first stop switch 17 on the driving wheel bracket 133, so as to stop the driving motor 132, and at this time, the household appliance body moves out of the shell 102.

When a user puts laundry into the tub assembly of the washing machine, the user controls the washing machine to automatically reset by using the remote controller again or pressing the function key provided on the washing machine, the driving motor 132 starts to operate, the driving wheel 131 reversely rotates to drive the horizontal plates 1131 located at opposite sides of the base body 11 to move backward, so that the orientation wheel 111 moves backward along the track groove, the universal wheel 112 moves backward outward of the track groove 121, the base body 11 carries the household appliance body to move backward relative to the base 12, and after moving to a predetermined position, the second stop switch 19 provided on the rear side plate 122 contacts with the rear plate 114 of the base body 11 to stop the driving motor 132 from operating. At this time, the control motor drives the positioning pin 15 to be partially inserted into the positioning cap 14, so that the base body 11 is locked, and then the washing machine starts to run the washing program.

It is understood that the household appliance may also be a coffee maker, a cooler, a freezer, or other household appliances.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A base table assembly comprising, in combination,

a base (12);

the base table body (11) is arranged above the base (12) and can move relative to the base (12);

the front ends of the two opposite sides of the bottom table body (11) corresponding to the moving direction are provided with universal wheels (112), and the rear ends are provided with directional wheels (111);

the method is characterized in that: guide rail grooves (121) are respectively formed in two opposite sides of the base (12) and extend in the front-back direction of the base, and the orientation wheels (111) are located in the guide rail grooves (121) so that the base table body (11) can move relative to the base (12); the universal wheel (112) is positioned outside the guide rail groove (121) and is used for adjusting the offset angle of the base table body (11) in the moving process.

2. The base table assembly of claim 1, wherein: the base table assembly (10) comprises,

a driving assembly (13) arranged between the base table body (11) and the base (12) and used for driving the orientation wheel (111) to move in the guide rail groove (121) along the extension direction of the guide rail groove (121);

preferably, the driving assembly (13) comprises a driving motor (132) and a transmission mechanism, wherein the transmission mechanism is arranged in the guide rail groove (121) and is connected with the output end of the driving motor (132);

the base table body (11) comprises horizontal plates (1131) which are arranged on two opposite sides of the base table body (11) and are parallel to the plane of the base (12), and the horizontal plates (1131) have an extension length along the front-back direction of the base table body (11) and are positioned above the transmission mechanism;

the driving motor (132) controls the horizontal plate (1131) to move back and forth through the transmission mechanism.

3. The base table assembly of claim 2, wherein: the transmission mechanism comprises a transmission mechanism and a transmission mechanism,

the transmission wheel (131) is rotatably arranged in the guide rail groove (121) and is in contact with the horizontal plate (1131), and the friction force generated by the rotation of the transmission wheel (131) is utilized to drive the horizontal plate (1131) to move back and forth;

preferably, two side walls of the guide rail groove are positioned in front of the base (12) and extend upwards to form a driving wheel bracket (133), and the driving wheel (131) is connected with the driving wheel bracket (133) through a rotating shaft; the output end of the driving motor (132) is connected with the rotating shaft.

4. The base table assembly of claim 3, wherein: the base platform body (11) also comprises,

the reinforcing plate (1132) has an extension height along the vertical direction of the base platform body (11), the upper end of the reinforcing plate is connected with the horizontal plate (1131), and the lower end of the reinforcing plate extends towards the direction close to the base (12);

the inner wall of the reinforcing plate (1132) is in contact with the side wall of the driving wheel support (133) and used for limiting the moving direction of the base table body (11) relative to the base (12).

5. The base table assembly of any of claims 1-4, wherein: the base table assembly (10) further comprises,

a positioning part arranged on the base (12);

a locking part arranged on the base body (11) and matched with the positioning part to limit the movement of the base body (11) relative to the base (12).

6. The base table assembly of claim 5, wherein:

the base (12) comprises a rear side plate (122), the rear side plate is positioned at the rear part of the base (12) and extends along the vertical direction of the base (12), and the surface of the rear side plate (122) facing the bottom table body (11) is provided with the positioning part;

the base table body (11) comprises a rear plate (114), the rear plate is positioned at the rear part of the base table body (11) and is connected with the rear end of the horizontal plate (1131), and a locking part matched with the positioning part is arranged on the rear plate (114);

preferably, an elastic buffer member (16) is arranged between the positioning portion and the rear side plate (122), one end of the elastic buffer member (16) is connected to the rear side plate (122), and the other end of the elastic buffer member is connected to the positioning portion.

7. The base table assembly of claim 6, wherein:

the positioning part is a positioning cap (14), the bottom of the positioning part is provided with an opening, and a hollow channel is arranged in the positioning part;

the locking part is a positioning pin (15) which can move up and down in a telescopic way along the rear plate (114), and the positioning pin (15) can be at least partially inserted into the hollow channel through the opening so as to limit the movement of the base table body (11) relative to the base (12).

8. The base table assembly of claim 3, wherein:

the side wall of the driving wheel bracket (133) facing the inside of the base (12) is bent inwards and extends to form an extension plate, and a first stop switch (17) is arranged on the extension plate;

the directional wheel (111) comprises a fixed support, the fixed support is connected with the bottom of the base platform body (11), a first blocking piece (18) is arranged on one side wall, close to the inside of the base platform body (11), of the fixed support in an inward protruding mode, and the first blocking piece (18) abuts against the first stop switch (17) so as to control the driving motor to stop moving.

9. A built-in household appliance having a base assembly according to any of claims 1 to 8, comprising:

a shell (102) with an opening at the front part, wherein the base (12) is arranged on the bottom plate of the shell (102);

the household appliance comprises a household appliance body (101), wherein the bottom of the household appliance body is provided with the base body (11);

the base body (11) carries the household appliance body (101) to move into or out of the shell (102) through the opening.

10. A mounting structure of a built-in type home appliance according to claim 9, wherein: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the household appliance cabinet comprises a cabinet body, wherein the household appliance is arranged in the cabinet body, and the front part of the cabinet body is provided with an opening for the household appliance body (101) to go in and out;

preferably, the cabinet and the shell (102) are of a one-piece structure, or the shell (102) is designed as a cabinet;

preferably, the household appliance is a washing machine.

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