CN104567205B - refrigerator - Google Patents

Abstract

The invention provides a refrigerator, which has a box body and a refrigeration system arranged in the box body. The box body has two inner tanks arranged adjacently up and down and an outer shell arranged outside the inner tanks. The refrigeration system includes a compressor, a condenser, a throttling element and an evaporator connected to each other. The inner bladder is provided with a rear bladder wall. The outer shell includes a back plate spaced apart from the back wall, and foaming cavities are formed in front of the back wall and the back plate of the two inner tanks adjacent to each other for accommodating thermal insulation foaming materials. The compressor is fixed on the inner side of the rear plate and is arranged on the rear side between two adjacent inner tanks. Between the compressor and the rear tank wall is formed a guide cavity for the foaming material to pass through, and the guide cavity is connected to the upper and lower foaming cavities for the foam material to be injected separately from the lower side or the upper side of the refrigerator. When filling, all foaming cavities can be filled up or down.

Description

refrigerator

technical field

The invention relates to a refrigerator, in particular to a refrigerator with a compressor arranged in the middle.

Background technique

As a container that can keep food or other items in a constant low temperature and cold state, a refrigerator has become one of the indispensable household appliances in modern families. Wherein the refrigerator usually includes a refrigerating chamber and a freezing chamber which are arranged separately up and down, so as to separately store articles to be preserved at different temperatures. The freezer compartment of the refrigerator is located at the bottom of the refrigerator, and the press chamber is located behind the freezer compartment, so part of the press compartment protrudes into the freezer compartment, making the volume of the freezer compartment smaller, or the shape of the freezer compartment is irregular, which affects space utilization Rate. In order to solve this problem, some manufacturers also arrange the compressor chamber on the top of the refrigerator; however, in this case, the compressor chamber will protrude into the refrigeration compartment on the top of the refrigerator, so that the shape of the refrigeration compartment on the top of the refrigerator is irregular and the space is limited. The utilization rate is reduced, and the vibration of the compressor is relatively large, which makes the refrigerator not stable enough.

Therefore, it is necessary to provide an improved refrigerator to solve the above problems.

Contents of the invention

The object of the present invention is to provide a refrigerator with regular structure and convenient foaming.

In order to achieve the purpose of the above invention, the present invention provides a refrigerator, which has a box body and a refrigeration system arranged in the box body, the box body has two inner tanks arranged adjacently up and down and an outer shell arranged outside the inner tanks, so The refrigerating system includes a compressor, a condenser, a throttling element, and an evaporator connected to each other; the inner tank is provided with a rear tank wall; A foaming cavity for accommodating thermal insulation foam material is formed in front of the back wall of the inner tank and the back plate, and the compressor is fixed on the inner side of the back plate and is arranged on the rear side between two adjacent inner tanks. A diversion chamber is formed between the compressor and the rear tank wall for the foaming material to pass through, and the diversion chamber communicates with the upper and lower foaming chambers so that the foaming material can be injected separately from the lower or upper side of the refrigerator. When filling, all foaming cavities can be filled up or down.

As a further improvement of the present invention, the refrigerator has a compressor box fixed on the inner side of the rear plate, and the compressor box has a bottom wall supporting the compressor, a flow guide side wall connected to the side of the bottom wall close to the rear tank wall, and a set On the top wall at the top of the compressor, the guide cavity is specifically arranged between the guide side wall and the rear tank wall.

As a further improvement of the present invention, the guide side wall is arranged close to the side of the compressor facing the rear wall.

As a further improvement of the present invention, the widths of the bottom wall and the top wall along the front and rear directions of the refrigerator are smaller than the width of the compressor, and the guide side wall has a first guide that extends obliquely from the side edge of the bottom wall toward the rear wall. The flow wall and the second flow guide wall extend obliquely from the end of the first flow guide wall away from the bottom wall toward the rear plate to connect to the side edge of the top wall.

As a further improvement of the present invention, the widths of the bottom wall and the top wall along the front and rear directions of the refrigerator are both smaller than the width of the compressor, and the guide side wall is designed in an arc along the side of the compressor close to the rear tank wall.

As a further improvement of the present invention, the refrigeration system has two evaporators respectively fixed on the outer sides of the rear tank walls of the two inner tanks and a back plate respectively located at the rear side of the two evaporators.

As a further improvement of the present invention, the evaporator and the compressor are arranged at intervals in the vertical direction of the refrigerator.

As a further improvement of the present invention, the end of the back plate close to the compressor has an inclined guiding design extending toward the wall of the rear tank.

As a further improvement of the present invention, the box body has a filling port located on the lower side and communicating with the foaming chamber.

As a further improvement of the present invention, an evaporating dish is arranged at the lower side between the rear wall of the inner tank and the rear plate of the casing in the lower side of the box.

The beneficial effects of the present invention are: the refrigerator of the present invention arranges the compressor on the rear side between two adjacent inner containers, thereby reducing the occupied volume of the compartments formed in the adjacent two inner containers, while making the inner containers The structure is regular, which is beneficial to the rational use of the storage space; at the same time, a diversion chamber for the foam material to pass is formed between the compressor and the rear tank wall, so that the upper and lower two sides adjacent to it are connected through the diversion chamber. One foaming cavity, for foaming material can fill up or down all foaming cavity when injecting material from the lower side or the upper side of the refrigerator separately, thus can facilitate the manufacture of the refrigerator, can use commonly used when injecting material namely Cheap one-way injection equipment for bottom or top injection, no need to inject material from the upper and lower sides of the refrigerator at the same time, which facilitates the sharing of production lines and reduces manufacturing costs.

Description of drawings

Fig. 1 is a structural schematic diagram of a preferred embodiment of the refrigerator of the present invention.

Fig. 2 is a structural schematic diagram of another preferred embodiment of the refrigerator of the present invention.

Fig. 3 is a schematic diagram of the circulation pipeline of the refrigeration system in the refrigerator of the present invention.

detailed description

The present invention will be described in detail below in conjunction with various embodiments shown in the drawings. However, these embodiments do not limit the present invention, and any structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present invention.

Please refer to FIG. 1 to FIG. 3 , which illustrate a preferred embodiment of the refrigerator 100 of the present invention. The refrigerator 100 of the present invention has a box body 1 , a door body 2 for opening or closing the box body 1 , a refrigeration system 3 arranged in the box body 1 , and an evaporating dish 4 arranged at the rear and lower side of the box body 1 .

Please refer to FIG. 3 , the refrigeration system 3 includes a compressor 31 , a condenser 33 , a dew removal pipe 34 , a throttling element 36 , a dry filter 35 , and an evaporator 37 connected by pipelines. The condenser 33 includes a back panel condenser 331 and a side panel condenser 332 . The refrigerant flows out from the compressor 31 and passes through the evaporator heating pipe 32, the back panel condenser 331, the side panel condenser 332, the dew removal tube 34, the dry filter 35, the throttling element 36, and the evaporator 37 in sequence along the direction of the arrow in the figure. Then flow back to compressor 31. In the present invention, the throttling element 36 is a capillary tube.

Please refer to FIG. 1 and FIG. 2, the box 1 has at least two inner tanks 11 arranged adjacently up and down, a partition 13 arranged between adjacent inner tanks 11, and an outer shell arranged outside the inner tanks 11. 12. In this embodiment, the box body 1 has three inner tanks 11 arranged up and down, and the inner sides of the three inner tanks 11 are respectively set as a refrigerated compartment, a variable temperature compartment and a freezing compartment.

The inner tank 11 is provided with a rear tank wall 111, and the outer casing 12 includes a rear panel 121 spaced apart from the rear tank wall 111, and the rear tank wall 111 and the rear panel 121 of the inner tank 11 are all formed to accommodate heat preservation. Foam chamber 14 for foam material (not shown). The compressor 31 is fixed on the inner side of the rear plate 121 and is arranged on the rear side between two adjacent inner tanks 11, that is, behind the partition plate 13, thereby reducing the occupancy of the compartments in the adjacent inner tanks 11 volume, while making the structure of the compartments regular, which is conducive to the rational use of storage space. Wherein, as shown in Figure 1, the compressor 31 can be arranged between the rear side of the refrigerated compartment and the variable temperature compartment; as shown in Figure 2, the compressor 31 can also be arranged between the variable temperature compartment and the freezing room Between the rear sides of the chamber, as long as it does not occupy the volume of a certain chamber alone. Of course, when only two inner tanks 11 are provided, the compressor 31 can be directly arranged between the rear sides of the two inner tanks 11 . The evaporating dish 4 is located at the lower side between the rear wall 111 of the inner tank 11 located at the lower side in the box body 1 and the rear plate 121 of the casing 12 .

At the same time, a guide chamber 15 is formed between the compressor 31 and the rear tank wall 111 for the foaming material to pass through, and the guide chamber 15 communicates with the upper and lower foaming chambers 14 adjacent to it for the foaming material to pass through. All the foaming cavities 14 can be filled upwards or downwards from the bottom side or the top side of the refrigerator 100, thereby facilitating the manufacture of the refrigerator 100, so that commonly used bottom injection materials can be used for injection The unique one-way material injection equipment does not need to inject material from the upper and lower sides of the refrigerator 100 at the same time, which facilitates the sharing of production lines and reduces manufacturing costs. In this embodiment, the box body 1 is configured to have a filling port (not shown) located on the lower side and communicating with the foaming chamber 14 .

Further, the refrigerator 100 also has a compressor box 5 fixed inside the rear plate 121 , the compressor 31 is accommodated in the compressor box 5 and fixed on the rear plate 121 through the compressor box 5 . The compressor box 5 has a bottom wall 51 supporting the compressor 31, a flow guide side wall 52 connected to the side of the bottom wall 51 close to the rear tank wall 111, and a top wall 53 arranged on the top of the compressor 31. The flow guide The cavity 15 is specifically arranged between the guide side wall 52 and the rear wall 111 .

The guide side wall 52 is arranged close to the side of the compressor 31 facing the rear tank wall 111, and the guide side wall 52 can be designed to be close to the surface of the compressor 31, thereby reducing the occupation of the rear tank wall by the compressor box 5 as much as possible. The space on the rear side of 111 expands the inner diameter of the guide chamber 15 to improve the flow rate of the foaming material.

Wherein, the widths of the bottom wall 51 and the top wall 53 of the compressor box 5 along the front and back direction of the refrigerator 100 are all set to be smaller than the width of the compressor 31, so that the guide side wall 52 can be set to have a width from the bottom wall. The first guide wall 521 whose side edge extends obliquely toward the rear wall 111 and the second guide wall 521 that extends from the end of the first guide wall 521 away from the bottom wall 51 towards the rear plate obliquely to connect the side edge of the top wall 53 The wall 522, of course, the guide side wall 52 can also be designed as an arc transition along the side of the compressor 31 close to the rear tank wall 111, and these designs can provide guidance for the flow direction of the foaming material, further Speed up the flow rate of the foaming material.

In order to facilitate the distribution of cold air and heat preservation, the evaporator 37 is fixed on the rear wall 111; in addition, referring to Fig. 1 and Fig. 2, in a preferred embodiment of the present invention, the refrigeration system 3 has The two evaporators 37 on the outside of the rear wall 111 of the two inner tanks 11 and the back plate 38 respectively located on the rear side of the two evaporators 37 . Among them, in the refrigerator 100 shown in Fig. 1, one of the evaporators 37 is located at the rear side of the refrigerated compartment, and the other evaporator 37 is arranged at the rear side of the temperature-changing compartment and the refrigerated compartment, so that the evaporator 37 on the upper side is the refrigerated compartment. The room is cooled, and the evaporator 37 on the lower side provides cooling for the temperature-changing compartment and the freezing compartment at the same time. In the refrigerator 100 shown in FIG. 2 , only the evaporator 37 is provided on the rear side of the refrigerating compartment and the freezing compartment, and the rear side of the variable temperature compartment is not provided. In this case, in the refrigerator 100, for example, on the partition 13 or At other positions, an auxiliary air duct (not shown) is further provided to deliver the cool air around at least one of the evaporators 37 to the variable temperature compartment. The back plate 38 is used to protect or fix the evaporator 37 or to form a main air passage between the back plate and the rear tank wall 111 .

Also as shown in FIG. 1 and FIG. 2, in the present invention, the evaporator 37 and the compressor 31 are arranged at intervals in the up and down direction of the refrigerator 100, thereby facilitating the setting of the foaming chamber 14 and the guide chamber 15, This facilitates the circulation of the filled foam material. Preferably, as shown in FIG. 1 and FIG. 2 , the end of the back plate 38 close to the compressor 31 has an inclined guide design extending toward the rear wall 111 to further guide the flow of the foaming material.

To sum up, the refrigerator 100 of the present invention can reduce the occupied volume of the compartment formed in two adjacent inner tanks 11 by setting the compressor 31 on the rear side between two adjacent inner tanks 11, and at the same time make The inner tank 11 has a regular structure, which is beneficial to the rational use of the storage space; at the same time, a diversion chamber 15 is formed between the compressor 31 and the rear tank wall 111 for the foam material to pass through, so that through the diversion chamber 15 The upper and lower foam cavities 14 adjacent to it are communicated, so that all the foam cavities 14 can be filled up or down when the foam material is injected separately from the lower side or the upper side of the refrigerator 100, thereby facilitating the manufacture of the refrigerator 100 , so that commonly used one-way injection equipment that is cheap bottom or top injection can be used for injection, and there is no need to inject materials from the upper and lower sides of the refrigerator 100 at the same time, which facilitates the sharing of production lines and reduces manufacturing costs.

It should be understood that although this description is described according to implementation modes, not each implementation mode only includes an independent technical solution. The technical solutions in the implementation manners can also be properly combined to form other implementation manners understandable by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions of the feasible implementation modes of the present invention, and they are not intended to limit the protection scope of the present invention. All changes should be included within the protection scope of the present invention.

Claims (10)

1. A refrigerator, having a box body and a refrigeration system arranged in the box body, the box body has two inner tanks arranged adjacently up and down and an outer shell arranged on the inner tank side, the refrigeration system comprises interconnected compression Machine, condenser, throttling element, evaporator, the inner tank is provided with a rear tank wall, the outer shell includes a rear plate spaced apart from the rear tank wall, the rear tank walls and the rear tank wall of two adjacent inner tanks are arranged A foaming cavity for accommodating thermal insulation foaming materials is formed before the plates, and the feature is that the compressor is fixed on the inner side of the rear plate and is arranged on the rear side between two adjacent inner tanks, and the compressor There is a diversion cavity for the foaming material to pass between it and the rear wall, and the diversion cavity is connected to the upper and lower foaming cavities for the foaming material to be injected upwards from the lower side or the upper side of the refrigerator. Or fill all foam cavities down. 2. The refrigerator according to claim 1, characterized in that: the refrigerator has a compressor box fixed on the inner side of the rear panel, the compressor box has a bottom wall supporting the compressor, and a side close to the bottom wall and the rear wall The connected diversion side wall and the top wall arranged on the top of the compressor, the diversion cavity is specifically arranged between the diversion side wall and the rear tank wall. 3. The refrigerator according to claim 2, characterized in that: the guide side wall is arranged close to the side of the compressor facing the rear wall. 4. The refrigerator according to claim 3, wherein the widths of the bottom wall and the top wall along the front and rear directions of the refrigerator are both smaller than the width of the compressor, and the guide side wall has The first flow guide wall extending obliquely in the wall direction and the second flow guide wall extending obliquely from the end of the first flow guide wall away from the bottom wall toward the rear plate to connect the side edge of the top wall. 5. The refrigerator according to claim 3, characterized in that: the widths of the bottom wall and the top wall along the front and rear directions of the refrigerator are both smaller than the width of the compressor, and the guide side wall is close to the rear tank wall along the compressor One side is curved. 6. The refrigerator according to claim 1, wherein the refrigerating system has two evaporators respectively fixed on the outer sides of the rear walls of the two inner containers and a rear wall respectively located on the rear side of the two evaporators. plate. 7. The refrigerator according to claim 6, wherein the evaporator and the compressor are arranged at intervals in the vertical direction of the refrigerator. 8. The refrigerator according to claim 7, characterized in that: the end of the backboard close to the compressor is designed to be inclined and guide extending toward the rear wall. 9. The refrigerator according to claim 1, characterized in that: the box body has a material injection port located on the lower side and connected to the foaming cavity. 10 . The refrigerator according to claim 1 , wherein an evaporating dish is arranged at the lower side between the rear wall of the lower liner in the box and the rear panel of the outer shell. 11 .