CN219141610U - Oblique insertion type evaporator fin, evaporator and refrigerator - Google Patents

Abstract

The embodiment of the utility model provides an oblique insertion type evaporator fin, an evaporator and a refrigerator, comprising a fin main body; the fin body is provided with a plurality of waist-shaped holes which are parallel to each other and are used for connecting an evaporator pipeline, and the fin body is also provided with a pressing rib for increasing strength; the rib is arranged on the fin main body, and the rib bypasses the kidney-shaped holes; the first end and the second end of the kidney-shaped hole are both arc-shaped holes; and a flange vertical to the fin body is arranged along the edge of the arc-shaped hole and used for increasing the contact area with the evaporator pipeline. The realization has increased turn-ups length under the highly stable circumstances of assurance turn-ups, and set up the clamp on the fin surface in order to increase the rigidity of fin to prevent fin bending deformation and fracture, when having increased life, improved heat exchange efficiency.

Description

Oblique insertion type evaporator fin, evaporator and refrigerator

Technical Field

The utility model relates to the field of refrigeration equipment, in particular to an oblique insertion type evaporator fin, an evaporator and a refrigerator.

Background

The oblique inserted fin evaporator is widely applied to air-cooled refrigerators and has the performance advantages of simple manufacturing process, large fin area, high space utilization rate and good heat exchange effect. One of the main structures of the oblique inserted type fin evaporator is an oblique inserted type evaporator fin. The existing fins are generally manufactured by adopting aluminum foil materials with lower rigidity.

In order to ensure the heat exchange efficiency of the evaporator, the inclined inserting type evaporator fins are generally used for increasing the contact area between the fins and the evaporator pipeline by increasing the height of the flanging edges of the open holes in the fins. The material mainly generates stretching deformation along the tangential direction in the forming process of the flanging, and under the condition that the material of the fin and the size of the flanging hole are determined, the larger the height of the flanging is, the larger the deformation degree is, the easier the flanging edge is pulled apart, and the lower the flanging strength is. It can be seen that if the height of the flanging is excessively increased, not only is the material of the fin itself insufficient to support the flanging, but also the strength of the flanging is reduced due to the excessively high height of the flanging.

Meanwhile, the evaporator pipeline and the fins of the prior oblique inserted fin evaporator are connected in a fastening way through a push-expansion process, namely, the connection between the evaporator pipeline and the fins is connected in a fastening way through interference fit of the evaporator pipeline and the fins. In the push-expansion molding process, the fins are easy to bend, deform and even crack due to insufficient rigidity, so that gas circulation is seriously blocked, and the heat exchange efficiency and the service life of the evaporator are further reduced.

Disclosure of Invention

The embodiment of the utility model provides an oblique insertion type evaporator fin, which aims to solve the problems that in the prior art, the rigidity of the fin is insufficient, the flanging height is overlarge, flanging strength is easy to decrease in the process of push-expansion forming with an evaporator pipeline, and flanging open holes are broken and the fin is bent and deformed, so that the heat exchange efficiency of the evaporator is reduced, and the service life of the evaporator is prolonged.

In a first aspect, an embodiment of the present utility model provides an oblique insertion type evaporator fin, including a fin body; the fin body is provided with a plurality of waist-shaped holes which are parallel to each other and are used for connecting an evaporator pipeline, and the fin body is also provided with a pressing rib for increasing strength; the rib is arranged on the fin main body, and the rib bypasses the kidney-shaped holes; the first end and the second end of the kidney-shaped hole are both arc-shaped holes; and a flange vertical to the fin body is arranged along the edge of the arc-shaped hole and used for increasing the contact area with the evaporator pipeline.

In a second aspect, an embodiment of the present utility model provides an evaporator, including the oblique insertion type evaporator fin according to the first aspect, and further including an evaporator tube; a plurality of evaporator fins are arranged in parallel; the evaporator pipeline is bent in an S shape and penetrates through kidney-shaped holes in the oblique insertion type evaporator fins to be arranged in the oblique insertion type evaporator fins.

In a third aspect, an embodiment of the present utility model provides a refrigerator, including the evaporator according to the second aspect, and further including a refrigerator main body; the evaporator is disposed inside the refrigerator main body.

Based on the structure and the connection relation, the embodiment of the utility model increases the flanging length under the condition of ensuring the high stability of the flanging, and the ribs are arranged on the surface of the fin to increase the rigidity of the fin, prevent the fin from bending deformation and cracking, and improve the heat exchange efficiency while prolonging the service life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a front view of an obliquely inserted evaporator fin provided by an embodiment of the utility model;

fig. 2 is an enlarged schematic view of a circled portion a in a front view of an oblique insertion type evaporator fin according to an embodiment of the present utility model;

FIG. 3 is a left side view of an oblique insertion type evaporator fin provided by an embodiment of the utility model;

FIG. 4 is a top view of an obliquely inserted evaporator fin provided by an embodiment of the utility model;

fig. 5 is a schematic structural view of an evaporator according to an embodiment of the present utility model.

Wherein, the reference numerals specifically are:

10. oblique insertion type evaporator fins; 100, fin body; 110. waist-shaped holes; 111. an arc-shaped hole; 112. a first arcuate aperture; 113. a second arcuate aperture; 114. a straight hole; 120. flanging; 121. a first flanging; 122. a second flanging; 123. chamfering edges; 130. pressing ribs; 131. a first beading; 132. second beading; 200. an evaporator; 210. evaporator piping.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Referring to fig. 1, fig. 1 is a schematic structural diagram of an oblique insertion type evaporator fin 10 according to an embodiment of the present utility model, and the embodiment of the present utility model provides an oblique insertion type evaporator fin 10, including a fin main body 100; the fin main body 100 is provided with a plurality of waist-shaped holes 110 which are parallel to each other and are used for connecting the evaporator pipeline 210, and the fin main body 100 is also provided with a pressing rib 130 for increasing strength; the bead 130 is disposed on the fin body 100, and the bead 130 bypasses the plurality of kidney-shaped holes 110; the first end and the second end of the kidney-shaped hole 110 are both provided with an arc-shaped hole 111; a turn-up 120 perpendicular to the fin body 100 is provided along an edge of the arc-shaped hole 111, the turn-up 120 serving to increase a contact area with the evaporator tube 210.

In this embodiment, the fin body 100 may be configured as a rectangular sheet structure, and a plurality of parallel kidney-shaped holes 110 are formed on the surface of the fin body 100. Referring to fig. 5, the arc-shaped holes 111 at both ends of the kidney-shaped holes 110 are configured to be connected by inserting the evaporator tubes 210, and the evaporator tubes 210 can be connected by inserting the fin body 100 in order due to the parallel arrangement of the plurality of kidney-shaped holes 110. In a specific manufacturing process, a plurality of kidney holes 110 may be formed by a continuous multiple punching process. Specifically, smaller openings are punched in the fin body 100, the area of which is smaller than the area of the kidney-shaped holes 110; and punching and flanging 120 is performed on the arc-shaped holes at the two ends of the hole to form a flanging 120, and the flanging 120 is turned over along the edges of the arc-shaped holes 111 at the two ends of the kidney-shaped hole 110 in the punching process to be vertical to the fin main body 100. After adopting the continuous and repeated punching process, the height of the produced turnup 120 is ensured, and the length of the turnup 120 is increased because the turnup 120 is arranged along the edge of the arc-shaped hole 111, and further, the contact area between the turnup 120 and the evaporator pipeline 210 is increased, and the heat exchange efficiency is improved; meanwhile, the height of the flange 120 is effectively limited, so that the strength of the flange 120 is also ensured, and the cracking of the flange 120 is avoided.

Referring to fig. 1, the ribs 130 are continuously curved groove structures disposed on the surface of the fin body 100, and in a specific manufacturing process, the ribs 130 should avoid the kidney-shaped holes 110 to enhance the integrity of the ribs 130. After the bead 130 is provided, the surface of the fin body 100 has a concave structure, and further, the moment of inertia of the fin body 100 is changed, so that the rigidity of the fin body 100 is increased, and the occurrence of bending deformation of the fin body 100 is prevented.

In one embodiment, referring to fig. 2, the arc hole 111 includes a first arc hole 112 and a second arc hole 113; the kidney-shaped aperture 110 also includes a straight aperture 114; the first arc-shaped hole 112 communicates with the second arc-shaped hole 113 through the straight hole 114.

In this embodiment, the first arc hole 112, the second arc hole 113 and the third arc hole 111 are formed as an integrated opening, the first arc hole 112 and the second arc hole 113 are respectively located at two ends of the straight hole 114, and the arc edges of the first arc hole 112 and the second arc hole 113 have intersection points with the edge of the straight hole 114. Wherein, the inner diameters of the first arc-shaped hole 112 and the second arc-shaped hole 113 may be set to be larger than the width of the straight hole 114, and the inner diameter of the first arc-shaped hole 112 may be set to be equal to the inner diameter of the second arc-shaped hole 113. In the assembly process, the evaporator pipeline 210 can be combined with the first arc-shaped hole 112 and the second arc-shaped hole 113 in a penetrating way, and as the first arc-shaped hole 112 and the second arc-shaped hole 113 are of arc structures, the evaporator pipeline 210 cannot move towards the direction of the straight hole 114 after being installed in the first arc-shaped hole 112 and the second arc-shaped hole 113 in a penetrating way, and the fixing effect and the heat exchange effect are guaranteed.

In an embodiment, referring to fig. 2 and 3, the flange 120 includes a first flange 121 and a second flange 122; the first flange 121 is disposed about the edge of the first arcuate aperture 112 and the second flange 122 is disposed about the edge of the second arcuate aperture 113.

In the present embodiment, the first flange 121 and the second flange 122 are provided corresponding to the first arc-shaped hole 112 and the second arc-shaped hole 113, respectively, which are structures formed in a continuous multiple punching process. The first flange 121 and the second flange 122 are both perpendicular to the surface of the fin body 100, and after the evaporator tube 210 is installed into the first arc hole 112 and the second arc hole 113, the first flange 121 and the second flange 122 are simultaneously and tightly attached to the outer side of the evaporator tube 210, so as to increase the contact area between the oblique insertion type evaporator fin 10 and the evaporator tube 210, thereby increasing the heat exchange efficiency.

In one embodiment, referring to fig. 2 and 3, the arc-shaped hole 111 has an arc-shaped edge; the first end of the arcuate edge is connected to the beginning of the flange 120, and the second end of the arcuate edge is connected to the end of the flange 120.

In this embodiment, the first end and the second end of the arc edge are two points of intersection where the arc edge meets the straight edge, and the beginning end and the end of the flange 120 respectively meet the first end and the second end of the arc edge. Specifically, the beginning and the end of the first flange 121 are respectively connected to the first end and the second end of the first arcuate hole 112, and the beginning and the end of the second flange 122 are respectively connected to the first end and the second end of the second arcuate hole 113. Because the flange 120 is formed by punching, it can be understood that the edge of the arc-shaped opening originally provided in advance is folded, so that the flange 120 is formed, and further, the flange 120 is completely corresponding to the edge of the arc-shaped hole 111, the length of the flange 120 is increased to the maximum value, and the heat exchange efficiency is remarkably improved.

In an embodiment, referring to fig. 4, a chamfer 123 is disposed at the connection between the flange 120 and the arc hole 111; one end of the chamfer 123 is connected to one end of the flange 120 near the arcuate aperture 111; the other end of the chamfered edge 123 is connected to the edge of the arcuate hole 111.

In this embodiment, since the flange 120 is formed by a continuous punching process, the flange is formed by folding an edge of an arc-shaped opening that is opened in advance, and after the folding, an arc-shaped chamfer 123 is formed at a corner where the folding occurs. The chamfer edge 123 makes soft connection between the flange 120 and the fin body 100, and simultaneously, in the push-expansion combining process of the evaporator pipeline 210 and the fin body 100, the chamfer edge 123 can prevent the flange 120 from breaking when deforming, thereby ensuring heat exchange efficiency and the reliability of push-expansion combining installation.

In an embodiment, referring to fig. 1, the first end and the second end of the bead 130 are respectively disposed at the upper and lower edges of the fin body 100; the bead 130 is bent along the surface of the fin body 100 and bypasses the plurality of kidney-shaped holes 110.

In the present embodiment, the bead 130 may be provided in a structure in which S-shaped bends are made multiple times on the surface of the fin body 100 and bypass the kidney-shaped hole 110. The bent portion formed when the bead 130 is bent in the S shape a plurality of times may wrap around the kidney-shaped holes 110, and in particular, the bead 130 may be provided with a bending portion having a larger radius and a bending portion having a smaller radius, wherein the bending portion having a larger radius may wrap around the kidney-shaped holes 110, and the bending portion having a smaller radius may be provided at an interval between the kidney-shaped holes 110 to avoid the kidney-shaped holes 110. The beads 130 are bent a plurality of times and penetrate through both sides of the surface of the fin body 100, thereby further reinforcing the rigidity of the fin body 100.

In an embodiment, referring to fig. 1, the press bar 130 includes a first press bar 131 and a second press bar 132, where the first press bar 131 and the second press bar 132 are arranged in a central symmetry; the first ribs 131 and the second ribs 132 bypass the plurality of kidney-shaped holes 110.

In this embodiment, the first ribs 131 and the second ribs 132 are arranged in a central symmetry manner, so that the moment of inertia of the shape of the fin body 100 can be changed from two different directions, and the fin body 100 with a larger area can be covered, thereby further enhancing the rigidity of the fin body 100.

In an embodiment, referring to fig. 1 or 2, the kidney-shaped hole 110 is disposed in a direction inclined to either edge of the fin body 100.

In this embodiment, the kidney-shaped holes 110 are obliquely arranged, so that after the evaporator tubes 210 are inserted through the fin main body 100, the fin main body 100 is provided with different angles and different layers of distribution, so that the heat exchange efficiency is further enhanced, and the evaporator tubes 210 can exchange heat fully.

Referring to fig. 5, an embodiment of the present utility model further provides an evaporator 200, including a plurality of the oblique insertion type evaporator fins 10 as described above, and further including an evaporator tube 210; a plurality of fins of the evaporator 200 are arranged in parallel; the evaporator tube 210 is bent in an S-shape and passes through the kidney-shaped holes 110 of the plurality of the oblique insertion type evaporator fins 10 to be disposed in the plurality of oblique insertion type evaporator fins 10.

In this embodiment, the plurality of obliquely inserted evaporator fins 10 included in the evaporator 200 are arranged in parallel and can form a certain inclination angle with the evaporator tube 210 inserted therein, thereby being more beneficial to improving the heat exchange efficiency. The evaporator tube 210 is bent in a plurality of S-shapes, and on the oblique insertion type evaporator fins 10 positioned at both ends of the evaporator 200, the evaporator tube 210 can be penetrated out to the outermost end from the first arc-shaped hole 112 of any waist-shaped hole 110, and after being bent, the evaporator tube 210 is penetrated into the evaporator 200 from the second arc-shaped hole 113 so as to be continuously penetrated through the other oblique insertion type evaporator fins 10.

The embodiment of the utility model also provides a refrigerator, which comprises the evaporator 200 and a refrigerator main body; the evaporator 200 is disposed inside the refrigerator main body.

In this embodiment, the evaporator 200 is disposed inside the refrigerator main body, and the evaporator 200 with the oblique insertion type evaporator fins 10 can ensure heat exchange efficiency and service life of the evaporator 200, so that the refrigerator has excellent refrigeration performance, reliability and stability, and longer service life.

The embodiment of the utility model provides an oblique insertion type evaporator fin, an evaporator and a refrigerator. Wherein, the oblique insertion type evaporator fin comprises a fin main body; the fin body is provided with a plurality of waist-shaped holes which are parallel to each other and are used for connecting an evaporator pipeline, and the fin body is also provided with a pressing rib for increasing strength; the rib is arranged on the fin main body in a zigzag manner; the first end and the second end of the kidney-shaped hole are both arc-shaped holes; and a flange vertical to the fin body is arranged along the edge of the arc-shaped hole and used for increasing the contact area with the evaporator pipeline. The evaporator comprises the oblique insertion type evaporator fin and further comprises an evaporator pipeline; a plurality of evaporator fins are arranged in parallel; the evaporator pipeline is bent in an S shape and is arranged in a plurality of oblique insertion type evaporator fins through the waist shape Kong Chuancha. The refrigerator comprises the evaporator and a refrigerator main body; the evaporator is disposed inside the refrigerator main body. Based on the structure and the connection relation, the embodiment of the utility model increases the flanging length under the condition of ensuring the high stability of the flanging, and the ribs are arranged on the surface of the fin to increase the rigidity of the fin, prevent the fin from bending deformation and cracking, and improve the heat exchange efficiency while prolonging the service life.

The present utility model is not limited to the above embodiments, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the present utility model, and these modifications and substitutions are intended to be included in the scope of the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. An oblique insertion type evaporator fin is characterized by comprising a fin main body; the fin body is provided with a plurality of waist-shaped holes which are parallel to each other and are used for connecting an evaporator pipeline, and the fin body is also provided with a pressing rib for increasing strength; the rib is arranged on the fin main body, and the rib bypasses the kidney-shaped holes;

the first end and the second end of the kidney-shaped hole are both arc-shaped holes; and a flange vertical to the fin body is arranged along the edge of the arc-shaped hole and used for increasing the contact area with the evaporator pipeline.

2. The oblique insertion evaporator fin of claim 1, wherein the arcuate holes comprise a first arcuate hole and a second arcuate hole; the kidney-shaped hole also comprises a straight hole; the first arc-shaped hole is communicated with the second arc-shaped hole through the straight hole.

3. The oblique insertion type evaporator fin as set forth in claim 2, wherein the turn-up includes a first turn-up and a second turn-up; the first turning edge is arranged around the edge of the first arc-shaped hole, and the second turning edge is arranged around the edge of the second arc-shaped hole.

4. The oblique insertion evaporator fin of claim 1, wherein the arcuate aperture has an arcuate edge; the first end of the arc-shaped edge is connected with the starting end of the flanging, and the second end of the arc-shaped edge is connected with the final end of the flanging.

5. The oblique insertion type evaporator fin as set forth in claim 1, wherein a chamfer is provided at the junction of the flange and the arcuate hole; one end of the chamfer edge is connected to one end, close to the arc-shaped hole, of the flanging; the other end of the chamfer is connected to the edge of the arc-shaped hole.

6. The oblique insertion type evaporator fin as set forth in claim 1, wherein the first ends and the second ends of the bead are provided at upper and lower side edges of the fin body, respectively; the ribs are bent along the surface of the fin body and bypass the plurality of kidney-shaped holes.

7. The oblique insertion type evaporator fin as set forth in claim 6, wherein the bead includes a first bead and a second bead, the first bead and the second bead being disposed in central symmetry; the first press rib and the second press rib bypass the plurality of kidney-shaped holes.

8. The oblique insertion type evaporator fin as set forth in claim 1, wherein the kidney-shaped hole is provided in a direction inclined to either edge of the fin main body.

9. An evaporator comprising a plurality of oblique insert evaporator fins as set forth in any one of claims 1 to 8, further comprising an evaporator tube; a plurality of evaporator fins are arranged in parallel; the evaporator pipeline is bent in an S shape and penetrates through kidney-shaped holes in the oblique insertion type evaporator fins to be arranged in the oblique insertion type evaporator fins.

10. A refrigerator comprising the evaporator according to claim 9, further comprising a refrigerator main body; the evaporator is disposed inside the refrigerator main body.

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