CN114812066B - refrigerator - Google Patents

Abstract

The invention provides a refrigerator, comprising a box body, a door body located at the front side of the box body to open or close the box body, the box body includes an inner container, and an outer shell located outside the inner container, wherein the refrigerator also includes a set An installation box between the inner tank and the outer shell, and a main control board arranged in the installation box, the installation box has an opening opened forward for installing and dismounting the main control board. The invention can greatly simplify maintenance steps, reduce maintenance time and maintenance cost.

Description

refrigerator

technical field

The invention relates to a refrigerator, in particular to an easy-to-maintain refrigerator.

Background technique

The main control board of the existing refrigerator is generally placed in the compressor compartment. During maintenance, the installed refrigerator needs to be pulled out for a certain distance, and then the cover plate of the press compartment can be easily removed, and then the main control board can be taken out for maintenance. It is very difficult to maintain the refrigerator, and in the process of pulling out the refrigerator, accidents are prone to cause damage to the outside of the refrigerator due to impact or friction, and even cause injuries to maintenance personnel.

Especially for the built-in refrigerator, because it is installed in the cabinet, the fixed structure between the refrigerator and the cabinet must be released before the refrigerator is pulled out, and the maintenance is more cumbersome and time-consuming.

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

Contents of the invention

An object of the present invention is to provide a refrigerator which is easy to maintain.

In order to achieve the above-mentioned purpose of the invention, the present invention provides a refrigerator, which includes a box body, a door body located on the front side of the box body to open or close the box body, the box body includes an inner container, and an outer shell located outside the inner container, wherein, The refrigerator also includes an installation box arranged between the liner and the outer shell, and a main control board arranged in the installation box. The installation box has an opening opened forward to install and remove the main control board. The refrigerator also includes The installation seat is arranged in the installation box to install the main control board. The installation seat has an inner installation cavity for installing the main control board. There is also a positioning structure for mutual positioning between the installation seat and the installation box. The positioning structure It includes a first abutting part and a second abutting part arranged on the installation box, a first elastic part and a second elastic part arranged on the mounting seat, and the first abutting part and the second abutting part are self-installed The box protrudes inward to be fixed with the mounting seat, the first abutting portion protrudes and forms along the vertical direction, the second abutting portion protrudes and forms along the transverse direction, and the first elastic portion is formed along the up and down direction to match the The first abutting portion is elastically abutted against, the second elastic portion is elastically abutted against the second abutting portion along the lateral direction, and the mounting base also includes an outer portion arranged on the side of the inner mounting cavity to accommodate the wire harness. The installation cavity, the wire harness part protruding from the inner wall of the outer installation cavity, the first abutment part and the second abutment part gradually extend toward the inside of the installation box from front to back, so as to form a support for the first elastic part and the second abutment part. The two elastic parts move back and forth on the guide slope, the first elastic part and the second elastic part are arranged on the rear side of the installation seat, and the first elastic part extends upwards from the upper end of the outer side wall of the outer installation cavity and backwards Formed by bending, the mounting base also has a space for the first elastic portion to be bent and deformed below the first elastic portion, and the second elastic portion is formed by protruding from the outside of the side wall of the mounting base , and the outer side of the side wall of the mounting seat is also provided with a space for the second elastic part to deform inwardly.

As a further improvement of the present invention, the installation box is arranged adjacent to the inner wall of the housing.

As a further improvement of the present invention, the outer casing has a top wall and two side walls, the installation box is arranged between the top wall and the inner container, and the refrigerator also has a The insulation layer provided by the installation box.

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

As a further improvement of the present invention, the matching structure is arranged on the housing and is a perforation, and the clamping structure includes a first clamping portion fixed to the coupling structure, located on the front side of the first clamping portion and opposite to the front end wall of the housing. The fixed second clamping part.

As a further improvement of the present invention, the installation box also has supporting feet protruding downwards to support the inner tank.

As a further improvement of the present invention, a notch open forward is provided at a position adjacent to the opening of the installation box on the housing, and the part of the installation box corresponding to the notch protrudes into the notch and covers the inner wall of the notch .

As a further improvement of the present invention, the housing includes a housing body and a reinforcement beam arranged on the front side of the housing body, the reinforcement beam has a first wall extending along the front-to-rear direction, and a wall formed by bending from the first wall toward the inner tank. The second wall, the notch and the opening respectively pass through the first wall and the second wall.

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

As a further improvement of the present invention, the mounting seat also has a buckle protruding from the inner wall of the inner mounting cavity, and the buckle cooperates with the supporting part 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 and down direction to expose the bottom of the main control board.

As a further improvement of the present invention, the installation box has a through hole for setting the wire harness, the outer installation cavity near the side of the through hole has a plurality of first wire routing slots, and the side wall of the inner installation cavity has a plurality of first wiring grooves. The second wireway that matches the wireway.

As a further improvement of the present invention, a foaming cavity is formed between the outer shell and the inner tank, and the installation box has a vent hole communicating with the foaming cavity and the inside of the installation box.

As a further improvement of the present invention, the refrigerator further includes an air-permeable film arranged at the position of the air-vent holes outside the installation box.

Beneficial effects of the present invention: the refrigerator of the present invention is provided with an installation box between the inner tank and the outer shell, and a main control board arranged in the installation box, and the installation box has an opening opened forward for installing and dismounting the main control board. Therefore, during maintenance, the structure on the front side of the installation box can be directly disassembled, and then the main control board can be pulled out forward, which greatly simplifies the maintenance steps, reduces maintenance time, and reduces maintenance costs. At the same time, it is not easy to damage the refrigerator or objects around the refrigerator. Cause damage and improve 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 schematic perspective view of another perspective with the casing hidden in Fig. 1 .

Fig. 4 is an enlarged view at point A in Fig. 3 .

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

Fig. 6 is a three-dimensional exploded view of the installation box and the installation seat in Fig. 5 .

FIG. 7 is a schematic perspective view of another viewing angle of FIG. 5 .

Fig. 8 is a three-dimensional exploded view of the installation box and the installation seat in Fig. 7 .

Fig. 9 is an exploded front view after hiding the inner liner and the shell body.

Fig. 10 is a three-dimensional exploded view of the mounting base and the display and control assembly according to the second embodiment of the present invention.

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

Detailed ways

The present invention will be described in detail below in conjunction with the embodiments shown in the accompanying drawings. But this implementation does not

The present invention is not limited, and structural, method, or functional changes made by those skilled in the art according to the embodiment are included in the protection scope of the present invention.

Please refer to Fig. 1 to Fig. 11 to show the embodiment of the refrigerator of the present invention. The refrigerator includes a box body and a door located at the front side of the box body to open or close the box body. The outer shell 2 outside the liner 1, wherein the refrigerator also includes an installation box 3 arranged between the inner liner 1 and the outer shell 2, and a main control board 4 arranged in the installation box 3, and the installation box 3 has a front opening to install and remove the opening 31 of the main control board 4 .

Specifically, as shown in FIG. 1 to FIG. 3 , it is the first embodiment of the present invention. In this embodiment, the refrigerator is a built-in refrigerator, which is mainly installed in a cabinet, and of course it can also be a traditional refrigerator. A foam cavity 5 is formed between the outer shell 2 and the inner tank 1, and the refrigerator also has an insulating layer arranged between the outer shell 2 and the inner tank 1 and adjacent to the installation box 3. The aforementioned insulating layer can be formed by foaming The foam layer in the foam chamber 5 can also be designed for vacuum insulation.

In this embodiment, the housing 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 smaller than that of the side walls, it is easy to thicken the foaming cavity 5 between the top wall and the inner tank 1, so as to prevent the installation box 3 from protruding from the outer shell 2 and thicken the top wall. The cost of the foaming cavity 5 between the wall and the inner container 1 is lower than that of thickening the foaming cavity 5 between the side wall and the inner container 1 .

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. Therefore, the temperature of the refrigerating room is not likely to affect the operation of the main control board 4 . At the same time, for the main control board 4 arranged at this position, the maintenance personnel do not need to bend over to work, which reduces the difficulty of maintenance.

Of course, in other embodiments, the installation box 3 can also be arranged in the foaming chamber 5 between the side wall and the inner container 1 , or in the foaming chamber 5 between the refrigerator compartment and the freezer compartment. When the installation box 3 is arranged in the foaming cavity 5 between the side wall and the inner tank 1, only the part of the installation box 3 can be protruded from the side wall of the shell 2, and then a receiving structure matching the protruding structure can be provided in the cabinet . When the installation box 3 is arranged in the foaming cavity 5 between the refrigerator compartment and the freezer compartment, the thermal insulation 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 arranged adjacent to the inner wall of the casing 2, that is, the installation box 3 is attached to the top wall of the casing 2, so that not only the distance between the bottom of the installation box 3 and the liner 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 out 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 shell 2 and the liner 1 can also be minimized, that is, the foaming cavity 5 is the thinnest, reducing the volume of the refrigerator.

In this embodiment, the housing 2 includes a housing body 21 assembled with each other, and a reinforcement beam 22 disposed on the front side of the housing body 21. The reinforcement beam 22 has a first wall 221 extending in the front-rear direction, extending from A second wall 222 formed by bending a wall 221 toward the liner 1 (that is, extending along an up-down direction), and the opening 31 of the installation box 3 passes through 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 part of the side wall of the casing 2 bent in the transverse direction, and the reinforcing beam 22 is integrally fixed inside the casing 2 and arranged on The front end of the shell 2, thereby increasing the integrity of the shell 2.

Since the installation box 3 of the present invention is arranged between the top wall of the casing 2 and the inner container 1, by separately setting the reinforcing beam 22, it is not only convenient to connect the casing body 21 and the inner container 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 housing body 21 and the reinforcing beam 22 can also be integrally formed.

The housing 2 is provided with a notch 223 opened forward at a position 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 along the vertical direction. Through settings. That is, it can be understood that: the notch 223 is formed by being recessed backward from the front end of the first wall 221 . Moreover, the part 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 matched with the outer wall of the installation box 3 . And the opening 31 of the installation box 3 passes through the position of the second wall 222 and communicates with the notch 223 , so that the upper front end of the installation box 3 is exposed to the outside.

Therefore, when maintaining, 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 they will not be touched by the reinforcement beam 22. The metal structure of 22 is scratched, reducing the risk of injury for maintenance personnel. Of course, in other embodiments, the installation box 3 may not protrude into the notch 223 , that is, the outer wall of the installation box 3 is arranged in close 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 which are mutually assembled up and down, so the forming and assembling is 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 casing 2 with each other. The pre-positioning structure is arranged between the installation box 3 and the housing 2 and is located on the front side of the installation box 3. The pre-positioning structure includes a clamping structure 34 provided on one of the installation box 3 and the housing 2, and a clamping structure 34 provided on the other. A mating structure 23 on one.

In this embodiment, the matching structure 23 is a perforation disposed on the housing 2 , and the perforation penetrates the housing body 21 and the first wall 221 of the reinforcing beam 22 along the vertical direction. The clamping structure 34 includes a first clamping portion 341 fixed to the mating structure 23, and is located on the front side of the first clamping portion 341 and fixed to the front end wall of the housing 2 (ie, the front end wall of the first wall 221 of the reinforcing beam 22). The second clamping part 342. Moreover, the pre-positioning structure includes a plurality of through holes, a first clamping portion 341 , and a second clamping portion 342 arranged along the transverse direction.

Wherein, the first clamping portion 341 and the second clamping portion 342 are disposed on the upper cover 32 , and the clamping cavities of the first clamping portion 341 and the second clamping portion 342 are disposed opposite to each other. When pre-fixing, first place the first clamping part 341 obliquely from bottom to top in the through hole and move forward, then lift the installation box 3 and push it backward, so that the second clamping part 342 is clamped on the shell 2 front end wall (that is, the front end wall of the reinforcing beam 22).

Moreover, by providing the first clamping portion 341 and the second clamping portion 342 , on the one hand, the load-bearing capacity of the clamping structure 34 can be increased, and the risk of damage to the first clamping portion 341 and the second clamping portion 342 can be reduced. On the other hand, it is avoided to adopt the screw fixing method, the screw penetrates the upper cover 32, and damages the main control board 4 in the installation box 3, and also prevents maintenance personnel from being scratched by the screw.

By setting the pre-fixed structure, the installation box 3 and the shell 2 can be fixed first, and the holes between the installation box 3 and the shell 2 are aligned, and then further fixed with screws at other positions, so as to use When the screws are fixed, there is no need to hold the installation box 3 by hand, which improves the assembly efficiency.

In this embodiment, the installation box 3 has a support foot 35 protruding downward from the lower surface of the lower cover 33 to support the inner tank 1. The support foot 35 can assist the pre-positioning structure and improve the pre-positioning. effect, and at the same time reduce the risk of damage to the holding structure 34 .

The installation box 3 has a through hole 36 for setting the wiring harness. In this embodiment, the through hole 36 is located on one side of the transverse direction. Since the side of the transverse direction is set, the wiring harness is relatively easier for maintenance personnel to repair. Close to the maintenance personnel, it is also convenient for the 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 communicating with the foaming chamber 5 and the inside of the installation box 3 . The refrigerator also includes a breathable membrane (not shown) arranged at the position of the vent hole 37 outside the installation box 3 . In this embodiment, the ventilation holes 37 are mainly disposed on the lower cover 33 . By arranging the air vent 37 and the air-permeable film, when foaming, it can communicate with the outside world, reduce the foaming pressure, and make the foaming process smoother, and the air-permeable film can ensure that the foaming material will not enter the installation box 3, avoiding Installation box 3 Risk of spillage.

In this embodiment, the installation box 3 has a first storage cavity 38 located at the rear side and a second storage cavity 39 located at the front side, the first storage cavity 38 communicates with the second storage cavity 39, and the second storage cavity 38 communicates with the second storage cavity 39. The width of the second receiving cavity 39 along the transverse direction is larger than that of the first receiving cavity 38 , and the first receiving cavity 38 is used for receiving the main control board 4 .

The refrigerator also includes a display and control assembly 6 that is arranged at the opening 31 and is electrically connected to the main control board 4. The second storage cavity 39 is used to accommodate the display and control assembly 6. On the one hand, the display and control assembly 6 is wider than the main control board 4 in the transverse direction, and the second storage cavity 39 is convenient for installing the display control assembly 6. On the other hand, when maintaining, the second storage cavity 39 is arranged on the front side of the installation box 3, and the maintenance personnel have a larger The operating space is more convenient for maintenance. Of course, in other embodiments, the cooperating arrangement with the opening 31 may also be a cover plate, as long as it can cover the main control board 4 .

Specifically, the display and control assembly 6 includes a display and control bracket 61, a display and control circuit board 62 fixed on the display and control bracket 61, and a display and control panel 63 covering the front side of the display and control bracket 61. The refrigerator also includes a set The fixing structure between the display and control panel 63 and the installation box 3 includes a hook 64 on one of the display and control panel 63 and the installation box 3 , and a slot 311 on the other.

In this embodiment, the hook 64 is set on the display control panel 63, the slot 311 is set 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 and control panel 63 can be directly disassembled, and at the same time, the display and control bracket 61 and the display and control circuit board 62 are disassembled together, which simplifies the maintenance steps. Moreover, the display control assembly 6 is arranged on the front side of the main control board 4, shortening the length of the wiring harness between the display control assembly 6 and the main control board 4, and facilitating reasonable arrangement and arrangement of the wiring harness. Moreover, the display control component 6 is provided at the opening 31 of the installation box 3, and can also serve as a cover plate, thereby shielding the main control board 4, that is, the display control component 6 and the cover plate are combined into one.

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

Wherein, the wire passing hole 72 is located on one side in the transverse direction of the front wall of the installation base 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 clip 73 is roughly located on the front wall of the installation base 7. middle position. Therefore, the wire harness passing through the wire hole 72 can be directly connected with the wire harness passing through the hole 36 to shorten the length of the wire harness, and then the wire harness can be arranged in an orderly manner through the wire harness clip 73 .

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 base 7 has a plurality of support portions 74 arranged around the inner mounting cavity 71, and the support portions 74 are also connected to the inner side walls around the inner mounting cavity 71, thereby increasing the number of support portions 74 structural strength. The support part 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 the 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 wall of the inner mounting cavity 71, the buckle 75 cooperates with the support part 74 to fix the main control board 4, and the buckle 75 has a function to facilitate the main control board 4 Guide surfaces for top and bottom installation. In this embodiment, elastic arms 76 are provided on the side walls of the inner installation cavity 71 except the front wall, and the elastic arms 76 are part of the side walls of the inner installation cavity 71, and the two sides of the elastic arms 76 The side is spaced from the side wall of the inner installation cavity 71, and the buckle 75 is arranged on the elastic arm 76, so that the elastic arm 76 is easy to move close to the inner installation cavity 71 or away from the inner installation cavity 71, and also makes the main control board 4 is easier to install and disassemble.

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

In this embodiment, the mounting base 7 also has a through hole 77 that penetrates up and down to expose the bottom of the main control board 4. By setting the through hole 77, the material cost of the mounting base 7 can not only be reduced, but also can be 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 there is dew, the condensation will also flow into the installation box 3 from the through hole 77, thereby further enhancing the waterproof performance.

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

Wherein, the outer installation cavity 78 near the side of the via hole 36 has a plurality of first wiring grooves 782, and the side wall of the inner installation cavity 71 has a plurality of second wiring grooves 711 matched with the first wiring grooves 782. . In this embodiment, the outer installation 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 wire slots 711 are formed through the sidewall of the inner installation cavity 71 and are arranged in different positions so as to be connected to corresponding positions on the main control board 4 in an orderly manner. Of course, in other embodiments, the numbers of the first wire slots 782 and the second wire slots 711 can be correspondingly set according to actual products.

In this embodiment, the wire harness part 781 is a hook-shaped structure at the end, and the wire harness part 781 protrudes outward from the outer wall surface of the side wall of the inner installation cavity 71. Since the wire harness passes through the first wiring When the groove 782 and the second wiring groove 711 are connected to the main control board 4, most of the wire harnesses are installed on the outer wall surface of the side wall of the inner installation cavity 71. Therefore, the wire harness part 781 can organize the wire harnesses more effectively. The probability of the wire harness detaching from the wire harness portion 781 is reduced.

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

By arranging the first elastic portion 79 abutted in the vertical direction and the second elastic portion 721 abutted in the lateral direction, on the one hand, the mounting base 7 and the mounting box 3 can be fully fixed; The resistance in it is small, which is convenient for disassembly and installation.

Specifically, the installation box 3 has a first abutting portion 312 and a second abutting portion 313 protruding inward to abut against the first elastic portion 79 and the second elastic portion 721 respectively, and the first abutting portion The part 312 and the second abutting part 313 are arranged on the rear side of the installation box 3, and gradually extend toward the interior 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 Inclined surface 314 . Therefore, no matter when installing or dismounting the mounting seat 7, the movable space of the mounting seat 7 in the first half of the installation box 3 is relatively large, which is beneficial for installation and disassembly, 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 arranged at the rear end inside the installation box 3 , so the movable space in the front half 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 , and the first elastic portion 79 extends upward from the upper end of the outer wall of the outer mounting cavity 78 and is formed by bending backward. The mounting seat 7 There is also a clearance space 722 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 part 79 to move up and down during the forward and backward movement of the mounting base 7 .

The second elastic portion 721 protrudes from the outside of the side wall of the mounting base 7 , and the outside of the side wall of the mounting base 7 also defines a clearance space 722 for the second elastic portion 721 to deform inward. In this embodiment, the second elastic portion 721 is disposed on the left and right sides of the mounting base 7 , of course, in other embodiments, the second elastic portion 721 may be disposed only on one side in the transverse direction.

And the width protruding from the second abutting portion 313 near the side of the via hole 36 of the installation box 3 is larger than the width of the other second abutting portion 313 protruding in the lateral direction, thereby ensuring that the installation box 3 positioned at the side of the via hole 36 has a Sufficient space to lay out the wiring harness.

Of course, in other embodiments, the installation box 3 may only be provided with one or all 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. 312 and/or the second abutting portion 313 are only required to be interference fit.

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

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

At the same time, the through hole 36 of the installation box 3 is arranged on the rear side of the part where the second receiving cavity 39 is longer than the first receiving cavity 38, so the position of the wire passing hole 72 is roughly located in the middle of the width of the second receiving cavity 39 in the transverse direction. position, so that it is more convenient for the wiring harness to be connected to the display and control circuit board 62, that is, the length difference between the various wiring harnesses connected to the display and control circuit board 62 is small, and it is easier to organize and arrange, and the selection of the display and control circuit board 62 is also more convenient. wide.

The fixed portion 723 located on the other side in the lateral direction is matched with the protruding portion 316 protruding from the installation box 3, and the protruding portion 316 is also provided with the fixing hole 315. Therefore, the first elastic portion 79, the second The elastic part 721 , the fixing part 723 and the fixing hole 315 can effectively ensure the fixing effect of the mounting seat 7 .

The refrigerator also includes appearance parts 8 arranged on the left and right sides of the display and control assembly 6, and the appearance parts 8 are fixed on the reinforcement beams 22, thereby avoiding the exposure of the reinforcement beams 22 and improving the aesthetics. Moreover, the sizes of the appearance parts 8 on the left and right sides are different, and the appearance parts 8 on the hinge side of the door body are smaller.

As shown in Figure 10 and Figure 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 base 7 61. The display and control circuit board 62 fixed on the rear side of the display and control bracket 61, and the display and control panel 63 covering the front side of the display and control bracket 61.

That is, the front wall of the mounting base 7 and the display and control bracket 61 have the same structure, so not only is it convenient to fix the main control board 4, but also the display and control circuit board 62 is convenient to fix, while saving more materials and effectively reducing costs. In this embodiment, the display control circuit board 62 is arranged 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 be directly connected to the main control panel in the inner installation cavity 71. The boards 4 are connected, 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 and control panel 63 and the display and control bracket 61 are also fixed together, when disassembling and maintaining, the fixed structure between the display and control panel 63 and the installation box 3 can be directly released, and then the display and control panel can be directly removed. 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 base 7 and the mounting box 3 are only fixed by the above-mentioned positioning structure, and the fixing portion 723 of the mounting base 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 sets the installation box 3 between the inner tank 1 and the outer shell 2, and the main control board 4 arranged in the installation box 3, and the installation box 3 has a front opening for installing and removing the main control The opening 31 of the plate 4 . Therefore, during maintenance, the display and control assembly 6 on the front side of the installation box 3 can be directly disassembled, and then the main control board 4 can be pulled out forward, which greatly simplifies the maintenance steps, reduces maintenance time, and reduces maintenance costs. or objects around the refrigerator cause damage, improving user experience.

The above embodiments are only used to illustrate the technical solutions of the present invention without limitation. Although the present invention has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced. Without departing from the spirit and scope of the technical solution of the present invention.

Claims (14)

1. A refrigerator, comprising a casing, a door body positioned at the front side of the casing to open or close the casing, the casing includes an inner container, an outer shell positioned at the inner container, it is characterized in that: the refrigerator also includes a set The installation box between the liner and the outer shell, the main control board arranged in the installation box, the installation box has an opening opened forward for installing and dismounting the main control board, and the refrigerator also includes an opening arranged in the installation box for The mounting seat for installing the main control board, the mounting seat has an inner mounting cavity for installing the main control board, and a positioning structure for mutual positioning is also provided between the mounting seat and the mounting box, and the positioning structure includes being arranged on the mounting box The first abutting portion and the second abutting portion, the first elastic portion and the second elastic portion provided on the mounting seat, the first abutting portion and the second abutting portion protrude inward from the mounting box to It is fixed with the mounting base, the first abutting part protrudes and forms along the vertical direction, the second abutting part protrudes and forms along the lateral direction, and the first elastic part is formed along the up and down direction with the first abutting part Elastic abutment, the second elastic part elastically abuts against the second abutment part along the transverse direction, and the mounting seat also includes an outer installation cavity arranged on the side of the inner installation cavity to accommodate the wire harness, and is installed from the outside The wire harness portion protruding from the inner wall of the cavity, the first abutment portion and the second abutment portion gradually extend obliquely toward the inside of the installation box from front to back, so as to form a space for the first elastic portion and the second elastic portion to move back and forth. The guide slope, the first elastic part and the second elastic part are arranged on the rear side of the mounting seat, the first elastic part extends upward from the upper end of the outer wall of the outer mounting cavity and is formed by bending backwards, the The mounting base also has a space for the first elastic portion to be bent and deformed below the first elastic portion, the second elastic portion protrudes from the outside of the side wall of the mounting base, and the mounting base The outer side of the side wall is also provided with an escape space for the second elastic part to deform inward. 2. The refrigerator according to claim 1, wherein the installation box is arranged adjacent to the inner wall of the housing. 3. The refrigerator according to claim 2, wherein the outer casing has a top wall and two side walls, the installation box is arranged between the top wall and the inner container, and the refrigerator also has a The insulation layer arranged between the inner tank and adjacent to the installation box. 4. The refrigerator according to claim 3, 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 in front of the installation box On the side, the pre-positioning structure includes a clamping structure disposed on one of the installation box and the housing, and a matching structure disposed on the other. 5. The refrigerator according to claim 4, characterized in that: the matching structure is arranged on the shell and is a perforation, and the holding structure includes a first holding part fixed to the matching structure, located at the first holding The second clamping part that is fixed on the front side of the part and the front end wall of the housing. 6. The refrigerator according to claim 3, wherein the installation box further has supporting feet protruding downward to support the inner container. 7. The refrigerator according to claim 2, wherein a notch opened forward is provided at a position adjacent to the opening of the installation box on the outer casing, and the part of the installation box corresponding to the notch protrudes into the notch , and cover the inner wall of the gap. 8. The refrigerator according to claim 7, wherein the housing comprises a housing body and a reinforcement beam arranged on the front side of the housing body, the reinforcement beam has a first wall extending in the front-to-rear direction, extending from the first wall The second wall is formed by bending towards the direction of the liner, and the notches and openings respectively penetrate through the first wall and the second wall. 9 . The refrigerator according to claim 1 , wherein the mounting base further has a supporting portion protruding from the bottom wall of the inner mounting cavity to support the main control board. 10 . The refrigerator according to claim 9 , wherein the installation seat further has a buckle protruding from an inner wall of the inner installation cavity, and the buckle cooperates with the supporting part to fix the main control board. 11 . 11. The refrigerator according to claim 1, characterized in that: the mounting seat further has a through hole penetrating in an up and down direction to expose the bottom of the main control board. 12. The refrigerator according to claim 1, characterized in that: the installation box has a through hole for setting the wire harness, the outer installation cavity near the through hole side has a plurality of first wiring grooves, and the inner installation cavity The side wall has a plurality of second wiring grooves matched with the first wiring grooves. 13. The refrigerator according to claim 1, characterized in that: a foaming cavity is formed between the shell and the inner container, and the installation box has a vent hole communicating with the foaming cavity and the inside of the installation box. 14. The refrigerator according to claim 13, characterized in that the refrigerator further comprises a gas-permeable film arranged at the position of the air-vent holes outside the installation box.