WO2022156399A1

WO2022156399A1 - Refrigerator

Info

Publication number: WO2022156399A1
Application number: PCT/CN2021/135917
Authority: WO
Inventors: 纪怀帅; 刘敏; 丰炳东; 王承志; 杨寒星
Original assignee: 青岛海尔电冰箱有限公司; 海尔智家股份有限公司
Priority date: 2021-01-22
Filing date: 2021-12-07
Publication date: 2022-07-28
Also published as: CN214537040U

Abstract

The present invention provides a refrigerator, comprising a refrigerator body and a door body for opening or closing the refrigerator body. The refrigerator body comprises an inner liner, a housing located outside the inner liner, and a thermal insulation cavity formed between the inner liner and the housing. The refrigerator further comprises a mounting box disposed between the inner liner and the housing, a main control board disposed in the mounting box, and a display control assembly electrically connected to the main control board. The mounting box is provided with an opening that passes through the mounting box outward for mounting or dismounting the main control board. The display control assembly is disposed at the opening and exposed outward from the housing. According to the present invention, the length of a wire harness connecting the display control assembly and the main control board can be reduced, so that arrangement and layout of the wire harness are facilitated, and signal delay is relatively low; moreover, the display control assembly is configured as a cover plate of the mounting box, thus the structure is simplified and the cost is reduced.

Description

refrigerator

technical field

The present invention relates to a refrigerator, in particular to a refrigerator with simple structure and low cost.

Background technique

The main control board of the existing refrigerator is generally placed in the press compartment, and the display and control components are generally installed in the storage room or outside the door. The wiring harness connecting the main control board and the display and control components is long, and the inside of the refrigerator is complicated and difficult to install. . Some main control boards are also arranged on the top of the refrigerator, usually including an installation box and a cover plate arranged on the top of the refrigerator, and the main control board is arranged in the installation box. However, the wiring harness connecting the main control board and the display control assembly with this structure is also relatively It is long, and the installation box needs an additional cover to seal, the structure is complicated, and the cost is high.

In view of this, it is necessary to improve the existing refrigerators to solve the above problems.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a refrigerator with a simple structure and low cost.

In order to achieve the above purpose of the invention, the present invention provides a refrigerator, comprising a box body and a door body for opening or closing the box body, the box body comprising an inner tank, an outer shell located outside the inner tank, and formed between the inner tank and the outer shell. The refrigerator also includes an installation box arranged between the inner tank and the outer shell, a main control board arranged in the installation box, and a display control assembly electrically connected to the main control board, the installation box has An opening penetrated outwards for installation or removal of the main control board, the display control assembly is disposed at the opening and is exposed from the outer casing.

As a further improvement of the present invention, the installation box has a first accommodating cavity for accommodating the main control board, and a second accommodating cavity on the front side of the first accommodating cavity for accommodating the display control assembly.

As a further improvement of the present invention, the refrigerator further includes a mounting seat arranged in the first receiving cavity to install the main control board, the mounting seat has an inner mounting cavity for mounting the main control board, and the mounting seat and the mounting box are connected to each other. A positioning structure for mutual positioning is also arranged between them.

As a further improvement of the present invention, the display control assembly includes a display control bracket disposed on the front side of the mounting seat, a display control circuit board fixed on the display control bracket, and a display control panel covered on the front side of the display control bracket, so The refrigerator further includes a fixing structure arranged between the display control panel and the installation box, the fixing structure includes a hook arranged on one of the display control panel and the installation box, and a slot arranged on the other.

As a further improvement of the present invention, the front wall of the mounting seat also has a wire-passing hole running through the front and rear, a wire harness card protruding forward to fix the wire harness, and the wire-passing hole is used for connecting the display control assembly and the main control board. The wiring harness goes through.

As a further improvement of the present invention, the display control assembly includes a display control bracket integrally formed on the front side of the mounting seat, a display control circuit board fixed on the rear side of the display control bracket, and a display control panel covered on the front side of the display control bracket .

As a further improvement of the present invention, the display control circuit board is arranged between the display control bracket and the main control board and is located in the inner installation cavity.

As a further improvement of the present invention, the first accommodating cavity is communicated with the second accommodating cavity, and the width of the second accommodating cavity is larger than that of the first accommodating cavity; The rear inner wall of the second accommodating cavity is formed with a fixing hole matched with the fixing part, and the fixing part and the fixing hole are fixed by a screw.

As a further improvement of the present invention, the mounting seat also has a support portion protruding from the inner bottom wall of the inner installation cavity to support the main control board, and a buckle protruding from the inner side wall of the inner installation cavity, the buckle and the support portion Match to fix the main control board.

As a further improvement of the present invention, the mounting seat also has a through hole penetrating in the up-down direction to expose the bottom of the main control board.

As a further improvement of the present invention, the mounting seat further includes an outer mounting cavity disposed beside the inner mounting cavity to accommodate the wire harness, and a wire harness portion protruding from the inner wall of the outer mounting cavity.

As a further improvement of the present invention, the installation box has a via hole for arranging the wire harness, the outer installation cavity near the via hole has a plurality of first wire routing grooves, and the side wall of the inner installation cavity has a plurality of first wire routing grooves. The second wire groove matched with the wire groove.

As a further improvement of the present invention, the positioning structure includes a first abutting portion and a second abutting portion protruding inwardly from the mounting box to be fixed with the mounting seat, the first abutting portion protruding in the up-down direction formed, and the second abutting portion is formed to protrude in the lateral direction.

As a further improvement of the present invention, the mounting seat has a first elastic portion and a second elastic portion respectively abutting against the first abutting portion and the second abutting portion, and the first elastic portion and the second elastic portion Set on the rear side of the mount.

As a further improvement of the present invention, the refrigerator further includes a pre-positioning structure for assembling the installation box and the outer casing, the pre-positioning structure is disposed between the installation box and the outer casing and located on the front side of the installation box, and the pre-positioning structure includes The clamping structure is arranged on one of the installation box and the shell, and the matching structure is arranged on the other.

As a further improvement of the present invention, the matching structure is disposed on the casing and is a through hole, and the holding structure includes a first holding portion fixed with the matching structure, a front side of the first holding portion and a front end wall of the casing. The fixed second holding part.

As a further improvement of the present invention, the outer shell has a top wall and two side walls, the installation box is arranged between the top wall and the inner liner, and the refrigerator also has an adjacent outer shell and an inner liner. Install the insulation provided by the box.

Beneficial effects of the present invention: the refrigerator of the present invention is provided with an installation box between the inner liner and the outer shell, and a main control board arranged in the installation box, the installation box has an opening that penetrates outward, and the refrigerator also includes an electrical connection. The display and control assembly of the main control board, the display and control assembly is arranged at the opening and is exposed from the outer casing. Therefore, arranging the display control components and the main control board together, on the one hand, minimizes the length of the wiring harness connecting the display control components and the main control board, facilitates the arrangement and layout of the wiring harness, and has low signal delay. The display and control assembly is set as the cover plate of the installation box, which simplifies the structure and reduces the cost. At the same time, during maintenance, the display and control components on the side of the installation box can be directly disassembled, and then the main control board can be pulled out, which greatly simplifies maintenance steps, reduces maintenance time, and reduces maintenance costs. Causes damage and improves user experience.

Description of drawings

FIG. 1 is a schematic perspective view of the first embodiment of the refrigerator of the present invention.

FIG. 2 is an exploded perspective view of FIG. 1 .

FIG. 3 is a three-dimensional schematic view of FIG. 1 from another perspective after the cover is hidden.

FIG. 4 is an enlarged view of A in FIG. 3 .

FIG. 5 is a further exploded perspective view of FIG. 2 .

FIG. 6 is an exploded perspective view of the mounting box and the mounting seat of FIG. 5 .

FIG. 7 is a schematic perspective view of FIG. 5 from another perspective.

FIG. 8 is an exploded perspective view of the mounting box and the mounting seat of FIG. 7 .

FIG. 9 is an exploded front view after hiding the inner tank and the outer shell body.

FIG. 10 is an exploded perspective view of the mounting seat and the display control assembly according to the second embodiment of the present invention.

FIG. 11 is a schematic perspective view of FIG. 10 from another viewing angle.

Detailed ways

In order to make those skilled in the art better understand the technical solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 11 , which are embodiments of a refrigerator of the present invention. The refrigerator includes a box body and a door body for opening or closing the box body. The box body includes an inner tank 1 and an outer shell 2 located outside the inner tank 1 . , The heat preservation cavity 5 formed between the inner tank 1 and the outer shell 2 is characterized in that: the refrigerator also includes an installation box 3 arranged between the inner tank 1 and the outer shell 2, and a main control board arranged in the installation box 3. 4. The display and control assembly 6 electrically connected to the main control board 4 , the installation box 3 has an opening 31 extending outward for the main control board 4 to be installed or removed, and the display and control assembly 6 is arranged in the opening 31 , and exposed from the outer shell 2 to the outside.

Specifically, as shown in FIG. 1 to FIG. 3 , which are the first embodiment of the present invention, in this embodiment, the refrigerator is a built-in refrigerator, which is mainly installed in a cabinet, but of course it can also be a traditional refrigerator. The refrigerator also has a thermal insulation layer disposed between the outer shell 2 and the inner tank 1 and adjacent to the installation box 3. The thermal insulation layer can be a foamed layer formed in the thermal insulation cavity 5, or a vacuum layer. Thermal insulation design.

In this embodiment, the shell 2 has a top wall and two side walls, and the installation box 3 is arranged between the top wall and the inner container 1 . On the one hand, since the area of the top wall is relatively small compared to the area of the side walls, it is easy to thicken the thermal insulation cavity 5 between the top wall and the inner container 1 to prevent the installation box 3 from protruding from the outer shell 2 and to thicken the top wall Compared with the heat preservation cavity 5 between the thickened side wall and the inner container 1 , the cost of the heat preservation cavity 5 between the inner container 1 and the inner container 1 is lower.

On the other hand, generally, the storage compartment on the upper side of the refrigerator is a refrigerating room, and the storage temperature is relatively higher than that of the freezing room. At the same time, the main control board 4 arranged at this position does not need the maintenance personnel to bend over to work, which reduces the maintenance difficulty.

Of course, in other embodiments, the installation box 3 can also be arranged in the heat preservation cavity 5 between the side wall and the inner container 1, and the heat preservation cavity 5 between the refrigerator compartment and the freezer compartment. When the installation box 3 is arranged in the heat preservation cavity 5 between the side wall and the inner container 1, only part of the installation box 3 can be arranged to protrude from the side wall of the outer shell 2, and then a receiving structure matched with the protruding structure can be arranged in the cabinet. When the installation box 3 is arranged in the heat preservation cavity 5 between the refrigerator compartment and the freezer compartment, the heat preservation performance of the installation box 3 should be increased to reduce the influence of the low temperature of the freezer compartment on it.

In this embodiment, the installation box 3 is disposed adjacent to the inner wall of the outer casing 2, that is, the installation box 3 is arranged on the top wall of the outer casing 2, so that the distance between the bottom of the installation box 3 and the inner tank 1 can be increased. , so as to increase the thickness of the insulation layer between the two, thereby reducing the influence of the temperature in the storage room on the main control board 4, and the heat generated by the main control board 4 can also be conducted by means of the metal shell 2. , to enhance the cooling effect. At the same time, when the thermal insulation effect is sufficient, the distance between the top wall of the outer shell 2 and the inner container 1 can also be minimized, that is, the thermal insulation cavity 5 is the thinnest, thereby reducing the volume of the refrigerator.

In this embodiment, the casing 2 includes a casing body 21 assembled with each other, a reinforcing beam 22 disposed on the front side of the casing body 21, and the reinforcing beam 22 has a first wall 221 extending in the front-rear direction, and the reinforcing beam 22 has a first wall 221 extending in the front-rear direction. A wall 221 is bent toward the second wall 222 formed in the direction of the inner pot 1 (ie, it is bent and extended in the up-down direction), and the opening 31 of the installation box 3 penetrates the second wall 222 forward. The first wall 221 of the reinforcing beam 22 is fixed to the top wall of the casing 2, the second wall 222 is fixed to the laterally bent part of the side wall of the casing 2, and the reinforcing beam 22 is integrally fixed inside the casing 2 and arranged at the The front end of the housing 2, thereby increasing the integrity of the housing 2.

Since the installation box 3 of the present invention is arranged between the top wall of the outer shell 2 and the inner tank 1 , by arranging the reinforcing beams 22 separately, it is not only convenient to connect the outer shell body 21 and the inner tank 1 , but also improves the structural strength of the installation box 3 , and the process is simpler and the production efficiency is higher. Of course, in other embodiments, the shell body 21 and the reinforcing beam 22 can also be integrally formed.

A notch 223 that opens forward is provided at the position of the casing 2 adjacent to the opening 31 of the installation box 3 . In this embodiment, the notch 223 is arranged on the first wall 221 of the reinforcing beam 22 and extends in the up-down direction. throughout the settings. That is, it can be understood that the gap 223 is formed by being recessed backward from the front end of the first wall 221 . In addition, the portion of the installation box 3 corresponding to the notch 223 protrudes into the notch 223 and covers the inner wall of the notch 223 . That is, the inner wall of the notch 223 is arranged in cooperation with the outer wall of the installation box 3 . And the position where the opening 31 of the installation box 3 penetrates through the second wall 222 is communicated with the notch 223 , so that the upper front end of the installation box 3 is exposed to the outside.

Therefore, during maintenance, the maintenance personnel will not touch the reinforcing beam 22. Even if the opening 31 of the installation box 3 is not very large, the maintenance personnel will only touch the plastic structure of the installation box 3, so that the reinforcing beam will not be touched by the maintenance personnel. The metal structure of the 22 is scratched, reducing the risk of injury to maintenance personnel. Of course, in other embodiments, the installation box 3 may also not protrude into the notch 223 , that is, the outer wall of the installation box 3 is disposed in contact with the inner wall surface of the first wall 221 .

As shown in FIG. 4 to FIG. 7 , the installation box 3 includes an upper cover 32 and a lower cover 33 that are assembled up and down with each other, so the molding and assembly are simpler. Of course, in other embodiments, the installation box 3 can also be integrally formed.

The refrigerator also includes a pre-positioning structure for assembling the installation box 3 and the housing 2 with each other. The pre-positioning structure is disposed between the installation box 3 and the casing 2 and is located on the front side of the installation box 3, and the pre-positioning structure includes a clamping structure 34 disposed on one of the installation box 3 and the casing 2, and a clamping structure 34 disposed on the other. Mating structure 23 on one.

In this embodiment, the matching structure 23 is disposed on a through hole on the casing 2 , and the through hole penetrates the casing body 21 and the first wall 221 of the reinforcing beam 22 in the up-down direction. The holding structure 34 includes a first holding portion 341 fixed with the matching structure 23 , and is located on the front side of the first holding portion 341 and fixed to the front end wall of the casing 2 (ie, the front end wall of the first wall 221 of the reinforcing beam 22 ). The second holding part 342 of the And the pre-positioning structure includes a plurality of the perforations, the first holding part 341 and the second holding part 342 arranged in the lateral direction.

The first holding portion 341 and the second holding portion 342 are disposed on the upper cover 32 , and the holding cavities of the first holding portion 341 and the second holding portion 342 are opposite to each other. When pre-fixing, first place the first holding portion 341 in the hole from bottom to top and move forward, then lift the installation box 3 and push it backward, so that the second holding portion 342 is held on the casing 2 The front end wall (ie the front end wall of the reinforcement beam 22).

And by providing the first holding portion 341 and the second holding portion 342 , on the one hand, the load-bearing capacity of the holding structure 34 can be increased, and the risk of damage to the first holding portion 341 and the second holding portion 342 can be reduced. On the other hand, the screw fixing method is avoided. The screw penetrates through the upper cover 32 and damages the main control board 4 in the installation box 3, and at the same time, the maintenance personnel can be prevented from being scratched by the screw.

By setting the pre-fixed structure, the installation box 3 can be fixed with the outer shell 2 first, and the holes between the installation box 3 and the outer shell 2 can be aligned, and then further fixed with screws at other positions, so as to use When the screw is fixed, it is not necessary to hold the installation box 3 by hand, which improves the assembly efficiency.

In this embodiment, the installation box 3 has support feet 35 protruding downward from the lower surface of the lower cover 33 to support the inner tank 1 , and the support feet 35 can assist the pre-positioning structure and improve the pre-positioning At the same time, the risk of damage to the holding structure 34 can also be reduced.

The installation box 3 has a through hole 36 for arranging the wire harness. In this embodiment, the through hole 36 is located on one side in the lateral direction. Since the one side in the lateral direction is set, the wire harness is relatively more difficult for maintenance personnel to maintain. It is close to maintenance personnel, which is also convenient for maintenance personnel to check and maintain. Of course, in other embodiments, it can also be located on the rear side.

The installation box 3 has a ventilation hole 37 that communicates with the heat preservation cavity 5 and the inside of the installation box 3 . The refrigerator also includes a ventilating film (not shown) disposed at the position of the ventilating hole 37 on the outer side of the installation box 3 . In this embodiment, the ventilation holes 37 are mainly disposed on the lower cover 33 . By setting the ventilation holes 37 and the ventilation film, when foaming, it can be communicated with the outside world, reducing the foaming pressure, making the foaming process smoother, and the ventilation film can ensure that the foaming material will not enter the installation box 3 to avoid Risk of flashing of installation box 3.

In this embodiment, the installation box 3 has a first accommodating cavity 38 on the rear side and a second accommodating cavity 39 on the front side. The first accommodating cavity 38 is communicated with the second accommodating cavity 39, and the The width of the second accommodating cavity 39 in the lateral direction is larger than that of the first accommodating cavity 38 , and the first accommodating cavity 38 is used for accommodating the main control board 4 .

In this embodiment, the second accommodating cavity 39 is used for accommodating the display control assembly 6 . Specifically, the display control assembly 6 includes a display control bracket 61 and a display control circuit board fixed on the display control bracket 61 . 62. The display control panel 63 is covered on the front side of the display control bracket 61. The refrigerator also includes a fixing structure arranged between the display control panel 63 and the installation box 3. The fixing structure includes the display control panel 63 and the installation box 3. The hook 64 on one of the installation boxes 3 and the slot 311 provided on the other.

Since the display control assembly 6 is arranged at the opening 31, the length of the wire harness between the display control assembly 6 and the main control board 4 can be greatly reduced, which facilitates the arrangement and layout of the wire harness, and the signal delay is low. The cover plate of the box 3 is installed, which simplifies the structure and reduces the cost. When the display and control components fail to work normally and are repaired, the main control board 4 can be repaired at the same time to ensure the temperature operation of the refrigerator.

On the one hand, since the width of the display and control assembly 6 in the lateral direction is larger than that of the main control board 4 , the second accommodating cavity 39 is convenient for installing the display and control assembly 6 . On the other hand, during maintenance, the second accommodating cavity 39 is located on the front side of the installation box 3 , and the maintenance personnel have a larger operating space, which is more convenient for maintenance. Of course, in other embodiments, the opening 31 can also be a simple cover, which only needs to be able to cover the main control board 4 .

In this embodiment, the hooks 64 are arranged on the display control panel 63 , the card slots 311 are arranged on the inner wall of the installation box 3 , and the display control bracket 61 and the display control panel 63 are fixed together, Therefore, during maintenance, the display control panel 63 can be directly disassembled, and at the same time, the display control bracket 61 and the display control circuit board 62 are disassembled together, which simplifies the maintenance steps. In addition, the display control assembly 6 is arranged on the front side of the main control board 4, which shortens the length of the wire harness between the display control assembly 6 and the main control board 4, and facilitates reasonable arrangement and arrangement of the wire harness. In addition, the display control assembly 6 is provided at the opening 31 of the installation box 3, which can also act as a cover plate, thereby shielding the main control board 4, that is, the display control assembly 6 and the cover plate are two-in-one.

As shown in FIG. 5 to FIG. 9 , the refrigerator further includes a mounting seat 7 disposed in the first receiving cavity 38 to mount the main control board 4 , and the mounting seat 7 has an inner mounting cavity 71 for mounting the main control board 4 . In this embodiment, the mounting seat 7 is similar to the structure of a drawer, and the front wall of the mounting seat 7 also has a wire hole 72 running through the front and rear, and a wire harness clip 73 protruding forward to fix the wire harness, so The wiring hole 72 is used for the wiring harness connecting the display control assembly 6 and the main control board 4 to pass through, and the wiring harness card 73 is used for arranging the wiring harness.

The wire-passing hole 72 is located on one side in the lateral direction of the front wall of the mounting seat 7 , and the wire-passing hole 72 is located on the same side as the through-hole 36 of the installation box 3 , and the wire harness card 73 is roughly located on the front wall of the mounting seat 7 . the middle position. Therefore, the wire harness passing through the wire hole 72 can be directly connected to the wire harness passing through the through hole 36 , shortening the length of the wire harness, and then passing the wire harness card 73 to arrange the wire harness in an orderly manner.

The mounting seat 7 also has a supporting portion 74 protruding from the inner bottom wall of the inner mounting cavity 71 to support the main control board 4 . In this embodiment, the mounting seat 7 has a plurality of the supporting portions 74 disposed around the inner mounting cavity 71 , and the supporting portions 74 are also connected to the inner side walls around the inner mounting cavity 71 , thereby increasing the supporting portions 74 structural strength. The support portion 74 can be used to increase the distance between the main control board 4 and the bottom wall of the inner installation cavity 71, so as to prevent condensation from contacting the main control board 4 when condensation occurs in the mounting seat 7, so as to ensure the stability of the main control board 4. Work.

The mounting seat 7 also has a buckle 75 protruding from the inner side wall of the inner installation cavity 71 . The buckle 75 cooperates with the support portion 74 to fix the main control board 4 . Top and bottom mounted guide surfaces. In this embodiment, the other side walls of the inner installation cavity 71 except the front wall are provided with elastic arms 76 , the elastic arms 76 are part of the side walls of the inner installation cavity 71 , and two of the elastic arms 76 The side walls of the inner mounting cavity 71 are spaced apart from each other, and the snaps 75 are arranged on the elastic arms 76 , so that the elastic arms 76 can easily move close to the inner mounting cavity 71 or away from the inner mounting cavity 71 , and also make the main control board easier to move. 4 is easier to install and remove.

Of course, in other embodiments, the mounting seat 7 may not be provided with a front wall, and the main control board 4 may also be mounted between the buckle 75 and the support portion 74 in the front-rear direction.

In this embodiment, the mounting seat 7 also has a through hole 77 penetrating in the up-down direction to expose the bottom of the main control board 4 . By arranging the through hole 77 , the material cost of the mounting seat 7 can not only be reduced, but also increased At the same time, the distance between the original main control board 4 and the inner bottom wall of the inner installation cavity 71 can be further increased to become the distance between the main control board 4 and the lower cover 33 of the installation box 3, and even if condensation occurs When exposed to dew, the dew will also flow into the installation box 3 from the through hole 77, thereby further enhancing the waterproof performance.

The mounting seat 7 further includes an outer mounting cavity 78 disposed at the side of the inner mounting cavity 71 to accommodate the wire harness, and a wire harness portion 781 protruding from the inner wall of the outer mounting cavity 78 . In this embodiment, the outer mounting cavity 78 is formed on the left and right sides and the rear side of the inner mounting cavity 71 , and the outer mounting cavity 78 is the outermost side wall and the inner mounting cavity in the lateral direction and the front-rear direction of the mounting seat 7 . The space formed by the side wall of the outer mounting cavity 71 can provide more space for arranging and arranging the wire harnesses.

The outer mounting cavity 78 on the side close to the via hole 36 has a plurality of first wiring grooves 782 , and the side wall of the inner mounting cavity 71 has a plurality of second wiring grooves 711 matched with the first wiring grooves 782 . . In this embodiment, the outer mounting cavity 78 near the side of the via hole 36 has two left and right first wiring grooves 782 for arranging different wiring harnesses to avoid disorder of the wiring harnesses. The second wiring grooves 711 are formed through the sidewall of the inner mounting cavity 71 and are arranged at different positions, so as to be connected to the corresponding positions on the main control board 4 in an orderly and tidy manner. Of course, in other embodiments, the number of the first wire routing slot 782 and the second wire routing slot 711 can be correspondingly set according to actual products.

In this embodiment, the wire harness portion 781 is a structure with a hook-shaped end, and the wire harness portion 781 is formed to protrude outward from the outer wall of the side wall of the inner installation cavity 71 , because the wire harness is routed through the first wire When the slot 782 and the second wiring slot 711 are connected to the main control board 4, most of the wire harness is arranged on the outer wall surface of the side wall of the inner installation cavity 71, so the wire harness part 781 can organize the wire harness more effectively. Reduces the chance of the wire harness coming off the wire harness 781 .

A mutual positioning structure is also provided between the mounting seat 7 and the mounting box 3 . In this embodiment, the positioning structure includes a first elastic portion 79 disposed on the mounting seat 7 to elastically abut against the mounting box 3 in the vertical direction, and a second elastic portion 79 elastically abutting against the mounting box 3 in the lateral direction. Elastic portion 721 . Of course, in other embodiments, the first elastic portion 79 and the second elastic portion 721 may also be provided on the installation box 3 .

By arranging the first elastic portion 79 abutting in the vertical direction and the second elastic portion 721 abutting in the lateral direction, on the one hand, the mounting seat 7 and the mounting box 3 can be sufficiently fixed, and on the other hand, the mounting seat 7 can be moved back and forth during the process. The resistance in the middle is small, which is easy to disassemble and install.

Specifically, the installation box 3 has a first abutting portion 312 and a second abutting portion 313 that protrude inwardly and abut against the first elastic portion 79 and the second elastic portion 721, respectively. The part 312 and the second abutting part 313 are provided on the rear side of the installation box 3 and gradually extend obliquely toward the inside of the installation box 3 from front to back, thereby forming a guide for the first elastic part 79 and the second elastic part 721 to move back and forth. Bevel 314. Therefore, when installing or removing the mounting seat 7, the mounting seat 7 has a larger movable space in the first half of the interior of the mounting box 3, which is conducive to installation and removal, and at the same time, the large space is also conducive to heat dissipation.

In this embodiment, the first abutting portion 312 and the second abutting portion 313 are disposed at the rearmost end of the inside of the installation box 3 , so the movable space of the first half of the inside of the installation box 3 can be maximized. The first elastic portion 79 is formed on the left and right sides of the rear end of the mounting seat 7 . The first elastic portion 79 extends upward from the upper end of the outer side wall of the outer mounting cavity 78 and is formed by bending backward. The mounting seat 7 There is also an escape space 722 located below the first elastic portion 79 so that the first elastic portion 79 can be bent and deformed downward. Therefore, it is convenient for the first elastic portion 79 to move up and down during the forward and backward movement of the mounting seat 7 .

The second elastic portion 721 is formed to protrude from the outer side of the side wall of the mounting seat 7 , and the outer side of the side wall of the mounting seat 7 is also provided with a space 722 for the second elastic portion 721 to deform inwardly. In this embodiment, the second elastic portion 721 is disposed on the left and right sides of the mounting seat 7. Of course, in other embodiments, the second elastic portion can be disposed only on one side of the lateral direction. 721.

In addition, the protruding width of the second abutting portion 313 on the side close to the via hole 36 of the mounting box 3 in the lateral direction is larger than the protruding width of the other second abutting portion 313, so as to ensure that the mounting box 3 on the side of the via hole 36 has a Enough space to lay out the wiring harness.

Of course, in other embodiments, the mounting box 3 may be provided with only one or both of the first abutting portion 312 and the second abutting portion 313 , and the mounting seat 7 is directly connected to the first abutting portion. The interference fit of 312 and/or the second abutting portion 313 is sufficient.

The mounting seat 7 and the mounting box 3 are also fixed by another part. Specifically, the front wall of the mounting seat 7 also has a fixing portion 723 protruding outward, and the rear inner wall of the second receiving cavity 39 forms a There is a fixing hole 315 matched with the fixing portion 723, and the fixing portion 723 and the fixing hole 315 are fixed by a screw.

In this embodiment, one end of the second accommodating cavity 39 is aligned with the first accommodating cavity 38, therefore, the rear inner wall of the second accommodating cavity 39 is only located on one side of the lateral direction, and the second The rear inner wall of the accommodating cavity 39 also has a groove that is recessed backward to accommodate the fixing portion 723 , so that the front end of the fixing portion 723 is flush with the rear inner wall, ensuring the smooth installation of the display control assembly 6 .

At the same time, the through hole 36 of the installation box 3 is disposed on the rear side of the second receiving cavity 39 that is longer than the first receiving cavity 38 . Therefore, the position of the wire through hole 72 is approximately located in the middle of the width of the second receiving cavity 39 in the lateral direction. Therefore, it is more convenient to connect the wiring harness to the display control circuit board 62, that is, the length difference between the wiring harnesses on the display control circuit board 62 is small, which is easier to organize and arrange, and the selection of the display control circuit board 62 is also more convenient. wide.

The fixing portion 723 located on the other side in the lateral direction is matched with the protruding portion 316 protruding from the installation box 3 . The protruding portion 316 is also provided with the fixing hole 315 . The elastic portion 721 , the fixing portion 723 and the fixing hole 315 can effectively ensure the fixing effect of the mounting seat 7 .

The refrigerator further includes appearance parts 8 disposed on the left and right sides of the display control assembly 6 , and the appearance parts 8 are fixed on the reinforcing beam 22 , thereby preventing the reinforcing beam 22 from being exposed and improving the appearance. In addition, the sizes of the exterior parts 8 on the left and right sides are inconsistent, and the exterior parts 8 on the hinge side of the door body are smaller.

As shown in FIG. 10 and FIG. 11 , it is the second embodiment of the refrigerator of the present invention, which is different from the first embodiment in that the display and control assembly 6 includes a display and control bracket integrally formed on the front side of the mounting seat 7 . 61. A display control circuit board 62 fixed on the rear side of the display control bracket 61 , and a display control panel 63 covered on the front side of the display control bracket 61 .

That is, the front wall of the mounting seat 7 and the display control bracket 61 are of the same structure. Therefore, it is convenient to fix not only the main control board 4 but also the display control circuit board 62 , while saving more materials and effectively reducing costs. In this embodiment, the display control circuit board 62 is disposed between the display control bracket 61 and the main control board 4 and is located in the inner installation cavity 71 . Therefore, the display circuit board can directly communicate with the main control board in the inner installation cavity 71 . The boards 4 are connected, and the distance between the two is shorter, and the wiring harness connecting the two does not need to pass through the mounting seat 7 forward, which reduces the difficulty of arranging the wiring harness.

In addition, since the display control panel 63 and the display control bracket 61 are also fixed together, when dismantling and maintenance, the fixing structure between the display control panel 63 and the installation box 3 can be directly released, and then the display control panel can be directly 63 can be pulled out. Therefore, the main control board 4 can be taken out in one step, which greatly simplifies the maintenance steps. Of course, the premise is that the mounting seat 7 and the mounting box 3 are only fixed by the above-mentioned positioning structure, and the fixing portion 723 of the mounting seat 7 and the fixing hole 315 are not fixed by screws, or the fixing portion 723 and the fixing hole do not need to be provided. 315.

To sum up, the refrigerator of the present invention provides an installation box 3 between the inner tank 1 and the outer shell, and a main control board 4 arranged in the installation box 3. The installation box 3 has an opening 31 penetrating outward, and the refrigerator It also includes a display control assembly 6 that is electrically connected to the main control board 4 , and the display control assembly 6 is disposed at the opening 31 . Therefore, by arranging the display control assembly 6 and the main control board 4 together, on the one hand, the length of the wire harness connecting the display control assembly 6 and the main control board 4 is minimized, which facilitates the arrangement and layout of the wire harness, and the signal delay is low. On the one hand, the display and control assembly 6 is set as the cover plate of the installation box 3, which simplifies the structure and reduces the cost.

At the same time, during maintenance, the display control assembly 6 on the side of the installation box 3 can be directly disassembled, and then the main control board 4 can be pulled out, which greatly simplifies the maintenance steps, reduces the maintenance time, and reduces the maintenance cost. The surrounding objects cause damage and improve the user experience.

It should be understood that although this specification is described according to embodiments, not every embodiment only includes an independent technical solution, and this description in the specification is only for the sake of clarity, and those skilled in the art should take the specification as a whole, and each The technical solutions in the embodiments can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Any equivalent embodiments or changes made without departing from the technical spirit of the present invention All should be included within the protection scope of the present invention.

Claims

A refrigerator, comprising a box body and a door body for opening or closing the box body, the box body comprising an inner liner, an outer shell located outside the inner liner, and a thermal insulation cavity formed between the inner liner and the outer shell, characterized in that: the The refrigerator also includes an installation box arranged between the inner liner and the outer shell, a main control board arranged in the installation box, and a display control assembly electrically connected with the main control board. The installation box has an outward penetration for the main control board. An opening for installation or disassembly, the display and control assembly is disposed at the opening and is exposed from the outer casing.
The refrigerator according to claim 1, wherein the installation box has a first accommodating cavity for accommodating the main control board, and a second accommodating cavity for accommodating the display and control components on the front side of the first accommodating cavity.
The refrigerator according to claim 2, wherein the refrigerator further comprises a mounting seat arranged in the first receiving cavity for mounting the main control board, the mounting seat has an inner mounting cavity for mounting the main control board, the A mutual positioning structure is also arranged between the mounting seat and the mounting box.
The refrigerator according to claim 3, wherein the display control assembly comprises a display control bracket disposed on the front side of the installation seat, a display control circuit board fixed on the display control bracket, and a display control circuit board covered on the front side of the display control bracket. The display control panel, the refrigerator also includes a fixing structure arranged between the display control panel and the installation box, the fixing structure includes a hook arranged on one of the display control panel and the installation box, and a hook arranged on the other on the card slot.
The refrigerator according to claim 4, characterized in that: the front wall of the mounting seat further has a wire hole running through the front and rear, a wire harness card protruding forward to fix the wire harness, and the wire hole is used for connecting the display and control. The wiring harness of the components and the main control board is passed through.
The refrigerator according to claim 3, wherein the display control assembly comprises a display control bracket integrally formed on the front side of the mounting seat, a display control circuit board fixed on the rear side of the display control bracket, and a display control bracket covered on the display control bracket. Display panel on the front side.
The refrigerator according to claim 6, wherein the display control circuit board is arranged between the display control bracket and the main control board and is located in the inner installation cavity.
The refrigerator according to claim 3, wherein the first accommodating cavity is communicated with the second accommodating cavity, and the width of the second accommodating cavity is larger than that of the first accommodating cavity, and the mounting seat has a protruding outwardly. The fixing part, the rear inner wall of the second accommodating cavity is formed with a fixing hole matched with the fixing part, and the fixing part and the fixing hole are fixed by a screw.
The refrigerator according to claim 3, wherein the mounting seat further has a support portion protruding from the inner bottom wall of the inner installation cavity to support the main control board, and a buckle protruding from the inner side wall of the inner installation cavity, so The buckle is matched with the support portion to fix the main control board.
The refrigerator according to claim 3, wherein the mounting base further has a through hole penetrating in the up-down direction to expose the bottom of the main control board.
The refrigerator according to claim 3, wherein the installation seat further comprises an outer installation cavity disposed beside the inner installation cavity to accommodate the wire harness, and a wire harness portion protruding from the inner wall of the outer installation cavity.
The refrigerator according to claim 11, wherein the installation box has a through hole for arranging the wire harness, the outer installation cavity near the through hole side has a plurality of first wire routing grooves, and the side wall of the inner installation cavity has a plurality of first wire routing grooves. There are a plurality of second wire grooves matched with the first wire grooves.
The refrigerator according to claim 3, wherein the positioning structure comprises a first abutting portion and a second abutting portion protruding inwardly from the mounting box to be fixed with the mounting seat, the first abutting portion The portion is formed to protrude in the up-down direction, and the second abutting portion is formed to protrude in the lateral direction.
The refrigerator according to claim 13, wherein the mounting seat has a first elastic part and a second elastic part respectively abutting against the first abutting part and the second abutting part, and the first elastic part The part and the second elastic part are arranged on the rear side of the mounting seat.
The refrigerator according to claim 2, characterized in that: the refrigerator further comprises a pre-positioning structure for assembling the installation box and the outer casing, the pre-positioning structure is arranged between the installation box and the outer casing and is located on the front side of the installation box, The pre-positioning structure includes a clamping structure provided on one of the installation box and the housing, and a matching structure provided on the other.
16. The refrigerator according to claim 15, wherein the matching structure is disposed on the casing and is a through hole, and the holding structure comprises a first holding portion fixed with the matching structure and located in the first holding portion. The front side is fixed with the second clamping part of the front end wall of the casing.
The refrigerator according to claim 1, characterized in that: the outer shell has a top wall and two side walls, the installation box is arranged between the top wall and the inner tank, and the refrigerator also has a top wall and an inner tank. The insulation layer provided between the bladders and adjacent to the installation box.