CN112923607A - Evaporator and horizontal air-cooled refrigerator - Google Patents

Abstract

The invention discloses an evaporator and a horizontal air-cooled refrigerator, wherein the evaporator is used for the horizontal air-cooled refrigerator, the horizontal air-cooled refrigerator comprises a cabinet body and a door body, an evaporation cavity is arranged on the cabinet body, and the evaporator is upwards and obliquely arranged in the evaporation cavity; the evaporator includes: a plurality of fins arranged in parallel; the coil pipe is arranged in the plurality of fins in a penetrating manner; the upper fixing plate is positioned above the plurality of fins; a plurality of first through holes formed on the upper fixing plate. The invention is used for solving the problem of poor refrigeration effect of the evaporator in the existing refrigerator and improving the refrigeration effect of the evaporator.

Description

Evaporator and horizontal air-cooled refrigerator

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to an evaporator and a horizontal air-cooled refrigerator.

Background

Refrigeration equipment (refrigerators, freezers and the like) is a common electric appliance in daily life, and freezers are divided into horizontal freezers and vertical freezers, and the horizontal freezers are widely used due to large storage capacity. The conventional horizontal refrigerator usually adopts a direct cooling mode for refrigeration, but frost is easily formed in the refrigerator body in the using process, the horizontal air-cooled refrigerator has the advantage of frost-free and is widely popularized, and the frost-free mode is realized by collecting the frost on an evaporator and heating and discharging the frost. When the horizontal air-cooled refrigerator works, the fan unit works to suck air with higher temperature from the storage space, the air with higher temperature can flow through the evaporator (with lower surface temperature) and becomes air with lower temperature, and then the air with lower temperature can be blown into the storage space, so that cold energy is provided for the storage space.

In traditional horizontal forced air cooling freezer, at the vertical evaporimeter that is provided with in inner bag right side, the air current flows from the air-out face of evaporimeter after getting into the evaporimeter heat transfer from the air inlet face of evaporimeter, because the air current that gets into the evaporimeter frosts easily on the air inlet face towards the evaporimeter, influences the evaporimeter refrigeration effect.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

Disclosure of Invention

The invention aims to provide an evaporator, which is used for solving the problem of poor refrigeration effect of the evaporator in the existing refrigerator and improving the refrigeration effect of the evaporator.

In order to realize the purpose of the invention, the invention is realized by adopting the following technical scheme:

an evaporator is used for a horizontal air-cooled refrigerator, the horizontal air-cooled refrigerator comprises a cabinet body and a door body, and an evaporation cavity is arranged on the cabinet body; the evaporator includes: a plurality of fins arranged in parallel; the coil pipe is arranged in the plurality of fins in a penetrating mode; the upper fixing plate is positioned above the plurality of fins; a plurality of first through holes formed on the upper fixing plate.

In the evaporator, the first through holes are formed on the front half part of the upper fixing plate close to the air inlet surface of the evaporator.

According to the evaporator, the evaporator further comprises a lower fixing plate which is arranged below the fins and opposite to the upper fixing plate, a plurality of second through holes and at least one drainage groove are formed in the lower fixing plate, and the length direction of the drainage groove is parallel to the inclination direction of the evaporator.

In the evaporator, at least one protrusion is further formed on the upper fixing plate of the evaporator.

In the evaporator, the protrusion is an L-shaped support flange, and one side surface of the L-shaped support flange is parallel to the upper fixing plate and has a certain interval.

The invention also relates to a horizontal air-cooled refrigerator which comprises a refrigerator body, wherein an evaporation cavity is arranged on the refrigerator body, the horizontal air-cooled refrigerator also comprises the evaporator, and the evaporator is upwards and obliquely arranged in the evaporation cavity.

The horizontal air-cooled refrigerator comprises a refrigerator body and a refrigerator door, wherein the refrigerator body comprises an inner container and an end air outlet cover plate, and the inner container comprises a bottom plate and a plurality of inner container side walls; the inner container is enclosed to form an inner space, a part of a bottom plate of the inner container is sunken towards the inner space to form an inclined side wall, one end of the inclined side wall is connected with the bottom plate, and the other end of the inclined side wall is connected with a first inner container side wall; the end air outlet cover plate is close to the inclined wall plate, the evaporation cavity is formed between the end air outlet cover plate and the inclined side wall, and the evaporator is obliquely arranged on the upper surface of the inclined side wall.

As above horizontal forced air cooling freezer, tip air-out apron is including the first connecting portion, second connecting portion and the third connecting portion that connect gradually at least, first connecting portion are close to first inner bag lateral wall sets up, the slope of second connecting portion sets up the top of slope lateral wall, the one end of third connecting portion is close to the bottom plate.

The horizontal air-cooled refrigerator comprises a first section and a second section which are connected in sequence, wherein the second section is positioned below the first section and is in smooth transition at the connecting position of the first section and the second section; the first and second sections are each at a decreasing distance from the base plate in a direction towards the base plate.

According to the horizontal air-cooled refrigerator, the evaporator and the second connecting part face to the side face opposite to one side face of the evaporation cavity body, and the protruding parts abut against the second connecting part.

Compared with the prior art, the invention has the advantages and positive effects that: the evaporator is obliquely arranged in the evaporation cavity upwards, namely the air inlet surface of the evaporator faces the bottom of the cabinet body, the evaporator is provided with an upper fixing plate positioned above the fins, a plurality of first through holes are formed in the upper fixing plate, when airflow enters the evaporation cavity, a part of the airflow enters the evaporator through the air inlet surface of the evaporator to exchange heat, and a part of the airflow winds into the first through holes to enter the evaporator to exchange heat, so that the air volume entering the evaporator is increased, and the refrigeration efficiency of the evaporator is improved; the evaporator is obliquely arranged in the evaporation cavity of the refrigerator, so that the refrigeration efficiency of the refrigerator is improved when the refrigeration efficiency of the evaporator is improved.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a partial structural view of an embodiment of a horizontal type air-cooled refrigerator according to the present invention, in which a cabinet is not shown;

FIG. 2 is a block diagram of one embodiment of an evaporator according to the present invention from a first perspective;

FIG. 3 is a block diagram of an embodiment of an evaporator according to the present invention from a second perspective;

FIG. 4 is an enlarged view of portion A of FIG. 3;

fig. 5 is a first view structural diagram of an end outlet cover plate in the embodiment of the horizontal air-cooled refrigerator shown in fig. 1;

fig. 6 is a structural view of a second viewing angle of an end outlet cover plate in the embodiment of the horizontal air-cooled refrigerator shown in fig. 1;

fig. 7 is a plan view of an end outlet cover plate in the embodiment of the horizontal type air-cooled refrigerator shown in fig. 1.

Reference numerals:

100-horizontal air-cooled air cabinet, 10-inner container; 11-a base plate; 12-a first liner sidewall; 13-sloped sidewalls; 20-an interior space; 30-end air outlet cover plate; 31-a first connection; 32-a second connection; 321-a first section; 32-a second section; 33-a third connecting portion; 34/35-a first stiffener; 36-a second reinforcing rib; 40-an evaporation cavity; 50-an evaporator; 51-an upper fixing plate; 511-L shaped supporting flanges; 512-first via; 52-lower fixed plate; 521 a drainage groove; 522 — a second via; 53-fins; 54-coiled tubing; 60-a fan set; 70-a water receiving box; 80-thermal insulation foam.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In order to overcome the problem that the evaporator is easy to frost due to an air inlet surface in the existing horizontal refrigerator, the evaporator is arranged in an evaporation cavity in an upward and oblique mode, a plurality of first through holes are formed in an upper fixing plate of the evaporator and communicated with fins, and therefore when airflow enters the evaporation cavity, a part of the airflow enters the evaporator through the air inlet surface, and a part of the airflow enters the evaporator by winding around the first through holes in the upper fixing plate of the evaporator, so that the air inlet amount entering the evaporator is increased, and the refrigeration effect of the evaporator is improved.

Example one

As shown in fig. 1, the horizontal air-cooled refrigerator 100 includes a cabinet body (not labeled) and a door body (not labeled), wherein an evaporation cavity 40 is disposed on the cabinet body, and an evaporator 50 and a fan unit 60 are disposed in the evaporation cavity 40. The evaporator 50 is disposed in the evaporation cavity 40 in an upward inclined manner, i.e. the air inlet surface of the evaporator 50 faces the bottom of the cabinet. The fan assembly 60 may include a volute, a fan, which may be a centrifugal fan or the like, for powering the flow of cold air within the cooler, and a volute support. The evaporator 50 is disposed below the fan unit 60, and it can be understood that the air intake surface of the evaporator 50 of the present embodiment communicates with the fins 53.

In the refrigerating process of the refrigerator, cold air passes through the evaporator 50 and can frost on the surface of the evaporator 50, in order to ensure the refrigerating effect of the evaporator 50, the evaporator 50 needs to be defrosted regularly, when defrosting, the obliquely arranged evaporator 50 is convenient for defrosting water to flow out, the fan unit 60 is positioned above the evaporator 50, the defrosting water on the evaporator 50 is effectively prevented from flowing to the fan unit 60, and the fan unit 60 is prevented from being corroded or short-circuited.

As shown in fig. 2 and 3, the evaporator 50 includes an upper fixing plate 51, a lower fixing plate 52, and a plurality of parallel fins 53 disposed between the upper fixing plate 51 and the lower fixing plate 52, wherein a coil 54 is disposed between the parallel fins 53. When the refrigerator is refrigerating, the air flow sucked into the evaporation cavity 40 is heat-exchanged by the evaporator 50, and then the cold air is sent out from the evaporation cavity 40 to the storage space, the evaporator 50 is obliquely arranged, and the side surface (namely, the air inlet surface) at the front end of the evaporator 50 facing the direction of the air flow entering the evaporation cavity 40 is easy to frost to cause unsmooth air flow, so that the refrigerating efficiency of the evaporator 50 is reduced. In order to solve the above problem, referring to fig. 2 again, a plurality of first through holes 512 communicating with the fins 53 are formed in the upper fixing plate 51, and specifically, a plurality of first through holes 512 communicating with the fins 53 are formed in the front half portion of the upper fixing plate 51 close to the air inlet surface, when the air flow is sucked into the evaporation cavity 40, a part of the air flow enters the evaporator 50 through the air inlet surface of the evaporator 50 for heat exchange, and a part of the air flow enters the first through holes 521 from above the air inlet surface and then enters the evaporator 50 for heat exchange, so that the air inlet amount passing through the evaporator 50 is increased, and the refrigeration efficiency of the evaporator 50 is improved. Of course, it is understood that the first through holes 512 of the evaporator 50 should be avoided when the evaporator 50 is disposed.

Because evaporimeter 51 puts in evaporation cavity 40 to one side, in order to strengthen evaporimeter 50 to the bearing capacity of the load-bearing thing that is located its top, interval is formed with at least one bulge on the upper surface of the upper fixed plate 51 of evaporimeter 50, and this bulge can play the supporting role to the load-bearing thing, has stronger bearing capacity, and has a plurality of fins in the evaporimeter 50, can take evaporimeter 50 through holding the bulge, avoids the fin to cut the user.

In this embodiment, the protrusion is an L-shaped supporting flange 511, wherein a side of the L-shaped supporting flange 511 is parallel to the upper fixing plate 51 and has a certain space, and the L-shaped supporting flange 511 is convenient to take. In addition, due to the L-shaped support flange 511, there is a certain gap between the upper fixing plate 51 and the object to be supported, and therefore, the first through hole 512 is not blocked.

In addition, in fig. 3 and 4, in order to guide the defrosting water on the evaporator 50, a lower fixing plate 52 is further disposed below the plurality of fins 53, a plurality of drainage grooves 521 are formed on the lower fixing plate 52 at intervals, the length direction of the drainage grooves 521 is along the inclined direction of the evaporator 50, the cross section of the drainage grooves of the present embodiment is V-shaped (as shown in fig. 4), and the V-shaped grooves are more beneficial to the flow of the defrosting water, so as to improve the drainage efficiency. In this embodiment, a plurality of second through holes 522 communicating with the fins 53 are formed in the lower fixing plate 52 at positions other than the positions of the drainage grooves, and since the lower fixing plate 52 is disposed obliquely, the defrosting water also flows out through the second through holes 522 and flows out (for example, to the water receiving box 70) along an inclined wall plate (not shown) for carrying the evaporator 50, so that the defrosting water is drained at a plurality of positions to accelerate the flow of the defrosting water, thereby facilitating the rapid discharge of the defrosting water.

The evaporator 50 inclined in the embodiment can introduce air flow through the first through holes 512 and multiple positions of the air inlet surface, so that the air inlet amount of the evaporator 50 is increased, and the defrosting water is guided through the V-shaped grooves and the second through holes 522, so that the drainage efficiency of the defrosting water is increased.

Example two

Referring to fig. 1, the present embodiment relates to a horizontal air-cooled refrigerator 100, which includes a cabinet body, wherein an evaporation cavity 40 is disposed on the cabinet body, and an evaporator 50 is disposed in the evaporation cavity 40 in an inclined manner.

Specifically, the cabinet body of this embodiment includes a box shell (not shown), an inner container 10 and an end air outlet cover plate 30, and this inner container 10 is embedded in this box shell, and will be filled with the foaming material between box shell and inner container 10, and this foaming material can prevent the loss of cold volume in the inner container 10.

This embodiment inner bag 10 includes bottom plate 11 and a plurality of inner bag lateral wall, and inner bag 10 encloses into inner space 20, and bottom plate 11 is partly sunken to forming slope lateral wall 13 to inner space 20, and the bottom plate 11 of inner bag 10 is connected to slope lateral wall 13 one end, and first inner bag lateral wall 12 is connected to the other end, and here, first inner bag lateral wall 12 is one in a plurality of inner bag lateral walls 12 of inner bag 10, preferably one in the left side wall and the right side wall of freezer. An end portion air outlet cover plate 30 is arranged at an end portion of the inner space 20, the end portion air outlet cover plate 30 is obliquely arranged close to the inclined side wall 13, an evaporation cavity 40 is formed between the end portion air outlet cover plate 30 and the inclined side wall 13, and the evaporator 50 is obliquely arranged on the upper surface of the inclined side wall 12 upwards.

A plurality of first through holes 512 communicated with the fins 53 are formed in the upper fixing plate 51, and particularly, a plurality of first through holes 512 communicated with the fins 53 are formed in the front half part of the upper fixing plate 51 close to the air inlet surface, when air flow is sucked into the evaporation cavity 40, a part of air flow enters the evaporator 50 through the air inlet surface of the evaporator 50 for heat exchange, and a part of air flow enters the first through holes 521 from the upper side of the air inlet surface and then enters the evaporator 50 for heat exchange, so that the air inlet amount passing through the evaporator 50 is increased, and the refrigeration efficiency of the evaporator 50 is improved. Of course, it is understood that the first through holes 512 of the evaporator 50 should be avoided when the evaporator 50 is disposed. The refrigeration efficiency of the evaporator 50 is improved and the refrigeration efficiency of the freezer is correspondingly improved.

As shown in fig. 1, in order to increase the storage space in the horizontal air-cooled freezer and improve the utilization rate of the storage space, in this embodiment, as shown in fig. 5 to fig. 6, the end air-out cover plate 30 at least includes a first connecting portion 31, a second connecting portion 32 and a third connecting portion 33 which are connected in sequence, the upper end of the first connecting portion 31 is close to the freezer opening, the lower end of the first connecting portion 31 is connected with the upper end of the second connecting portion 32, the lower end of the second connecting portion 32 is connected with the upper end of the third connecting portion 33, the lower end of the third connecting portion 33 is close to the bottom plate 11 of the inner container 10, if a bottom air-returning duct (not labeled) is arranged above the bottom plate 11 close to the bottom plate 11, the lower end of the third connecting portion 33. As shown in fig. 1, the first connecting portion 31 is disposed near the first liner sidewall 12, and the first connecting portion 31 of the present embodiment is disposed parallel to the first liner sidewall 12; the second connecting portion 32 is obliquely disposed above the inclined side wall 13, and particularly, an evaporation cavity 40 is formed between the second connecting portion 32 and the inclined wall 13, and a portion of the inner space 20 excluding the evaporation cavity 40 forms a storage space (not labeled) for storing articles. At the tip of inner bag 10, because the slope of second connecting portion 32 sets up for whole evaporation cavity 40 occupies the space of inner space 20 less, has increased storing space, and the top of the second connecting portion 32 that the slope set up in this embodiment also can place article, when increasing storing space, has also improved storing space's utilization ratio.

In order to enhance the bearing strength of the end portion wind outlet cover plate 30, in the present embodiment, the second connection portion 32 includes at least a first section 321 and a second section 322 connected in sequence, an upper end of the first section 321 is connected to a lower end of the first connection portion 31, preferably, an upper end of the first section 321 is smoothly transited to a lower end of the first connection portion 31 (as shown in part B in fig. 7), an upper end of the second section 322 is connected to a lower end of the first section 321, preferably, an upper end of the second section 322 is smoothly transited to a lower end of the first section 321 (as shown in part C in fig. 7), a lower end of the second section 322 is connected to an upper end of the third connection portion 33, preferably, a lower end of the second section 322 is smoothly transited to an upper end of the third connection portion 33 (as shown in part D in fig. 7). Specifically, as shown in fig. 5 to 7, the second section 322 is located below the first section 321, and the first section 321 and the second section 322 are both inclined toward the bottom plate 11 as a whole, that is, the first section 321 and the second section 322 are respectively closer to the bottom plate 11 in a direction toward the bottom plate 11. The strength of the end portion air outlet cover plate 30 with multiple bending radians can be enhanced, and the second connecting portion 32 at least comprises the first section 321 and the second section 322 which are in smooth transition connection, so that articles can be placed on the obliquely upward surface of the second connecting portion 32, and the carrying capacity of the articles is enhanced.

As shown in fig. 5 to 7 again, in the present embodiment, a reinforcing structure is disposed on a side surface of the end portion air outlet cover plate 30 away from the storage space, specifically, first reinforcing ribs 34 and 35 matched with the radian formed after the first connecting portion 31 and the second connecting portion 32 are disposed on two sides of the side surface corresponding to the first connecting portion 31 and the second connecting portion 32, respectively, and a length direction of the first reinforcing rib 34 is along a length direction of the end portion air outlet cover plate 30; a plurality of second beads 36 are provided at intervals on the side surface corresponding to the third connecting portion 33.

The oblique setting of this embodiment evaporimeter 50 is between second connecting portion 32 and slope lateral wall 13, in order to strengthen the bearing capacity of second connecting portion 32, interval is formed with at least one bulge on the upper surface of evaporimeter 50 near second connecting portion 32, this bulge supports and leans on second connecting portion 32, play the supporting role to second connecting portion 32, have stronger bearing capacity, and have a plurality of fins in the evaporimeter 50, can take evaporimeter 50 through holding the bulge, avoid the fin to cut the user.

In this embodiment, at least one protrusion is formed on the upper fixing plate 51 at intervals, and the protrusion is an L-shaped supporting flange 511 in this embodiment, wherein one side of the L-shaped supporting flange 511 is parallel to and spaced from the upper fixing plate 51. In addition, at least the space between the evaporator 50 and the second connecting portion 32 is filled with the thermal insulation foam 80, in this embodiment, the thermal insulation foam 80 extends from the upper side of the L-shaped supporting flange 511 of the evaporator 50 to a position close to the first liner side wall 12, and the thermal insulation foam 80 contacts the second connecting portion 32 and the evaporator 50 in a large area, so that on one hand, the bearing capacity of the end air outlet cover plate 30 is enhanced, and on the other hand, when the evaporator 50 is subjected to defrosting treatment, the heat generated by the temperature rise of the air in the evaporation cavity 30 is prevented from entering the storage space.

Due to the L-shaped support flange 511, the upper fixing plate 51 does not contact with the lower surface of the second connecting portion 32 facing the evaporation cavity 40, so the first through hole 512 is not blocked, and the position of the first through hole 521 is avoided when the thermal insulation foam 80 is disposed, as shown in fig. 1. When the air flow is sucked into the evaporation cavity 40, a part of the air flow enters the evaporator 50 through the front end side of the evaporator 50 for heat exchange, and a part of the air flow enters the first through hole 521 through the space between the adjacent protrusions from the upper side of the front end side and then enters the evaporator 50 for heat exchange, so that the air volume passing through the evaporator 50 is increased, and the refrigeration efficiency of the evaporator 50 is improved.

Furthermore, as shown in fig. 1, in order to discharge the defrosted water in the evaporation chamber 40 in time, a water receiving box 70 is formed at the lowest position of the inclined side wall 13, it is understood that the water receiving box 70 is a part of the wall of the inner container 10, and the water receiving box 70 is preferably provided in a funnel shape to collect the defrosted water, which can lead out the water in the water receiving box 70 through a drain pipe (not shown). For example, a press chamber (not shown) for accommodating a compressor is formed at the bottom of the inclined side wall 13, an evaporation pan (not shown) is disposed in the press chamber, a drain pipe guides defrost water from the water receiving box into the evaporation pan, and the water in the evaporation pan can be evaporated by heat generated by the compressor and a condenser pipe (or a condenser), and can be evaporated by other techniques such as heating or air turbulence.

Referring to fig. 2 to 4 again, in order to guide the defrosting water on the evaporator 50, a plurality of drainage grooves 521 are formed at intervals on the lower fixing plate 52, the length direction of the drainage grooves 521 is along the inclined direction of the evaporator 50, the cross section of the drainage groove of the embodiment is V-shaped (as shown in fig. 4), and the V-shaped groove is more beneficial to the flow of the defrosting water and improves the drainage efficiency. Furthermore, a plurality of second through holes 522 communicated with the fins 53 are formed in the lower fixing plate 52 at positions other than the positions of the drainage grooves, and the lower fixing plate 52 is in surface contact with the inclined side wall 13, so that the defrosting water flows out through the through holes 522 and flows into the water receiving box 70 along the inclined side wall 13, the flow of the defrosting water is more quickly drained at a plurality of positions, and the defrosting water is conveniently and quickly discharged.

The horizontal air-cooled refrigerator 100 of this embodiment, the evaporimeter 50 through tip air-out apron 30 and the slant setting of slant setting has not only improved refrigeration efficiency, has still increased storing space, has promoted user's use and has experienced.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims (10)

1. An evaporator is used for a horizontal air-cooled refrigerator, the horizontal air-cooled refrigerator comprises a cabinet body and a door body, and an evaporation cavity is arranged on the cabinet body; the evaporator includes:

a plurality of fins arranged in parallel;

the coil pipe is arranged in the plurality of fins in a penetrating mode;

the upper fixing plate is positioned above the plurality of fins;

a plurality of first through holes formed on the upper fixing plate.

2. The evaporator as recited in claim 1, wherein said first through holes are formed on a front half portion of said upper fixing plate adjacent to an air intake surface of said evaporator.

3. The evaporator according to claim 1 or 2, further comprising a lower fixing plate disposed below the plurality of fins opposite to the upper fixing plate, wherein the lower fixing plate is formed with a plurality of second through holes and at least one drainage groove, and a length direction of the drainage groove is parallel to an inclination direction of the evaporator.

4. An evaporator according to claim 1 wherein at least one projection is further formed on an upper fixing plate of the evaporator.

5. An evaporator according to claim 4 wherein the projection is an L-shaped support flange having one side surface parallel to and spaced from the upper fixing plate.

6. A horizontal air-cooled refrigerator comprises a refrigerator body, wherein an evaporation cavity is arranged on the refrigerator body, and the horizontal air-cooled refrigerator is characterized by further comprising the evaporator as claimed in any one of claims 1 to 5, wherein the evaporator is obliquely arranged in the evaporation cavity.

7. The horizontal air-cooled refrigerator according to claim 6, wherein the cabinet body comprises an inner container and an end air outlet cover plate, the inner container comprises a bottom plate and a plurality of inner container side walls; the inner container is enclosed to form an inner space, a part of a bottom plate of the inner container is sunken towards the inner space to form an inclined side wall, one end of the inclined side wall is connected with the bottom plate, and the other end of the inclined side wall is connected with a first inner container side wall; the end air outlet cover plate is close to the inclined wall plate, the evaporation cavity is formed between the end air outlet cover plate and the inclined side wall, and the evaporator is obliquely arranged on the upper surface of the inclined side wall.

8. The horizontal air-cooled refrigerator according to claim 7, wherein the end air-out cover plate comprises at least a first connecting portion, a second connecting portion and a third connecting portion, the first connecting portion is disposed near the first inner container side wall, the second connecting portion is disposed above the inclined side wall in an inclined manner, and one end of the third connecting portion is disposed near the bottom plate.

9. The horizontal type air-cooled refrigerator according to claim 6 or 7, wherein the second connecting part comprises at least a first section and a second section which are connected in sequence, the second section is positioned below the first section and is rounded at the connecting position of the first section and the second section; the first and second sections are each at a decreasing distance from the base plate in a direction towards the base plate.

10. The horizontal air-cooled refrigerator according to claim 6 or 7, wherein at least one protrusion is provided on a side surface of the evaporator opposite to a side surface of the second connecting portion facing the evaporation cavity, and the protrusion abuts against the second connecting portion.

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