阅读说明：本技术 一种蒸发器边板板材、蒸发器边板、其制造方法及空调器 (Evaporator side plate, manufacturing method of evaporator side plate and air conditioner ) 是由 张磊 何相萍 黄坤鹏 李颖颖 杜伟 范超 于 2020-05-29 设计创作，主要内容包括：本发明提供了一种蒸发器边板板材、蒸发器边板、其制造方法及空调器,属于空调技术领域。发明一种蒸发器边板,所述边板为一体式结构,所述边板包括第一侧边,所述第一侧边为长侧边,所述第一侧边上设置有至少一个切口,所述切口用于使所述边板沿所述切口弯折成预设角度。由于边板为一体式结构,边板的第一侧边上设置有切口,安装边板时无需拼装,只需将边板沿切口弯折即可,简化生产工艺、缩短工时,并且使整个蒸发器的零件数量减少,避免零件丢失。(The invention provides an evaporator side plate, a manufacturing method of the evaporator side plate and an air conditioner, and belongs to the technical field of air conditioners. The evaporator side plate is of an integrated structure and comprises a first side edge which is a long side edge, at least one notch is formed in the first side edge, and the notch is used for enabling the side plate to be bent into a preset angle along the notch. Because the sideboard formula structure as an organic whole is provided with the incision on the first side of sideboard, need not to assemble during the installation sideboard, only need with the sideboard along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.)

1. An evaporator side plate, which is characterized in that,

the side plate is of an integrated structure,

the sideboard sheet comprises a first side edge (11), the first side edge (11) being a long side edge,

at least one notch is formed in the first side edge (11), and the notch is used for enabling the side plate to be bent into a preset angle along the notch.

2. The evaporator side panel of claim 1,

still include second side (21), second side (21) be with the corresponding long side of first side (11), be provided with at least one crooked mouth on the second side (21), crooked mouth with incision quantity equals, the position one-to-one, crooked mouth is used for making sideboard panel follows during the incision is buckled, with the crooked mouth both sides that the incision corresponds second side (21) are followed crooked mouth alternate segregation, mutual correspondence the incision with be provided with the connecting bridge between the crooked mouth.

3. The evaporator side panel of claim 1,

the included angle formed by each notch is larger than or equal to the preset bending angle of the side plate after the side plate is bent along the notch.

4. The evaporator side panel of claim 1,

each incision is a V-shaped incision.

5. The evaporator edge panel of claim 2,

each of the curved openings is a straight cut perpendicular to the second side edge (21).

6. The evaporator side panel of claim 5,

the edge plate is divided into a first edge plate (14), a second edge plate (15) and a third edge plate (16) by the first notch (12) and the second notch (13),

the two bending openings are provided, namely a first bending opening (22) and a second bending opening (23), the first notch (12) and the first bending opening (22) correspond to each other, the second notch (13) and the second bending opening (23) correspond to each other,

a first connecting bridge (31) is arranged between the first cut (12) and the first bending opening (22), a second connecting bridge (32) is arranged between the second cut (13) and the second bending opening (23),

the included angle formed by the first notch (12) is alpha 1, the first bending angle formed by the preset first side plate (14) and the second side plate (15) is alpha, alpha 1 is larger than or equal to alpha, the included angle formed by the second notch (13) is beta 1, the second bending angle formed by the preset second side plate (15) and the third side plate (16) is beta, and beta 1 is larger than or equal to beta.

7. The evaporator side panel of claim 6,

the widths of the first bending port (22) and the second bending port (23) are both L1, and L1 is more than or equal to 1mm and less than or equal to 3 mm.

8. The evaporator side panel of claim 6,

the widths of the first connecting bridge (31) and the second connecting bridge (32) are both H1, and H1 is more than or equal to 5mm and less than or equal to 8 mm.

9. The evaporator side panel of claim 1,

the side plate is provided with an electric heating positioning hole (33), and the electric heating positioning hole (33) is used for installing an electric heating device (34).

10. The evaporator side panel of claim 1,

the side plate is provided with a ground wire mounting hole (35), and the ground wire mounting hole (35) is used for being connected with a ground wire.

11. The evaporator side panel of claim 1,

a local reinforcing structure (36) is arranged on one side surface of the side plate.

12. An air conditioner characterized by comprising an evaporator edge plate material as claimed in any one of claims 1 to 11, which is bent into an edge plate.

13. A method of manufacturing an evaporator edge panel, comprising:

forming at least one notch on a first side edge (11) of an evaporator side plate material to be processed to form an evaporator side plate material;

and bending the evaporator side plate material into a preset angle along the notch to form a side plate.

14. The manufacturing method according to claim 13, further comprising:

before bending the evaporator side plate material along the notch into the preset angle to form the side plate, the method further comprises the following steps: at least one bent opening is formed in a second side edge (21) of the evaporator side plate material to be processed, the second side edge (21) is a long side edge corresponding to the first side edge (11), the number of the bent openings is equal to that of the notches, the positions of the bent openings correspond to those of the notches one by one, and a connecting bridge is arranged between the notches and the bent openings which correspond to each other;

evaporator sideboard panel follows the in-process of predetermineeing the angle is buckled into to the incision, with the crooked mouthful both sides that the incision corresponds second side (21) are followed crooked mouthful alternate segregation.

15. A method as claimed in claim 13, characterized in that the slits provided in the first side edge (11) of the evaporator edge panel are V-shaped slits.

16. The manufacturing method according to claim 14, wherein the bent opening formed on the second side edge (21) of the evaporator side plate material is a straight cut perpendicular to the second side edge (21).

17. The manufacturing method according to claim 14,

the number of the notches arranged on the first side edge (11) of the evaporator side plate is two, namely a first notch (12) and a second notch (13), the first notch (12) and the second notch (13) divide the evaporator side plate into a first side plate (14), a second side plate (15) and a third side plate (16),

the second side edge (21) of the evaporator side plate is provided with two bending openings, namely a first bending opening (22) and a second bending opening (23),

the included angle formed by the first notch (12) is alpha 1, the first bending angle formed by the preset first side plate (14) and the second side plate (15) is alpha, alpha 1 is larger than or equal to alpha, the included angle formed by the second notch (13) is beta 1, the second bending angle formed by the preset second side plate (15) and the third side plate (16) is beta, and beta 1 is larger than or equal to beta.

18. The manufacturing method according to claim 17, wherein the widths of the first curved port (22) and the second curved port (23) are both L1, 1mm L1 mm 3 mm.

19. An evaporator edge panel formed by bending the evaporator edge panel plate according to any one of claims 1 to 11.

Technical Field

The invention relates to the technical field of air conditioners, in particular to an evaporator side plate, a manufacturing method of the evaporator side plate and an air conditioner.

Background

An evaporator is arranged in the air pipe machine, and the evaporator is generally of a multi-fold structure. In the prior art, each section of the multifold evaporator is a complete component, each component comprises side plates and a plurality of fins on two sides, the side plates in each component are mutually independent, the side plates of each component are assembled together through an assembling process to form a preset bending angle, the production process is complex, the included angle between the components is influenced by personal factors of operators, assembling errors easily occur, and the product consistency is poor.

Disclosure of Invention

The invention solves the technical problems that the side plates of all components in the existing evaporator are mutually independent and all the side plates need to be assembled together through an assembling process.

In order to solve the problems, the invention provides an evaporator side plate which is of an integrated structure,

the sideboard board comprises a first side edge which is a long side edge,

at least one notch is formed in the first side edge, and the notch is used for enabling the side plate to be bent into a preset angle along the notch.

Because sideboard panel formula structure as an organic whole is provided with the incision on the first side of sideboard panel, need not to assemble during the installation sideboard panel, only need with sideboard panel along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.

Further, still include the second side, the second side be with the corresponding long side of first side, be provided with at least one crooked mouth on the second side, crooked mouth with incision quantity equals, the position one-to-one, crooked mouth is used for making sideboard panel follows when the incision is buckled, with the crooked mouth both sides that the incision corresponds second side border crooked mouth alternate segregation mutually corresponds the incision with be provided with the connecting bridge between the crooked mouth.

Because be provided with corresponding crooked mouth on the second side of sideboard panel, when installation sideboard panel with sideboard panel along incision, crooked mouthful buckle can, avoid the second side to tear.

Furthermore, the included angle formed by each notch is larger than or equal to the preset bending angle of the side plate after the side plate is bent along the notch.

Because the contained angle that each incision formed is greater than or equal to the angle of buckling of the sideboard that this incision is buckled back formation of predetermined sideboard panel, buckle the sideboard panel in the incision position during installation sideboard panel and target in place and buckle into predetermined angle of buckling promptly, the contained angle of sideboard does not receive the influence of operating personnel personal factor, and the product uniformity is better, and installation error is little.

Further, each of the incisions is a V-shaped incision.

Because the incision is the V type incision, make the angle of buckling of sideboard panel controllable, further guarantee the angle of buckling of sideboard accurate to in the process of buckling, along first incision, the second notched minimum buckle can, the installation is easier.

Further, each of the curved openings is a straight cut perpendicular to the second side edge.

Because the bent openings are straight cuts perpendicular to the second side edge, the first bent opening and the second bent opening can be processed more easily.

Furthermore, the two notches are provided with a first notch and a second notch, the first notch and the second notch divide the side plate into a first side plate, a second side plate and a third side plate,

the two bending openings are provided, namely a first bending opening and a second bending opening, the first notch and the first bending opening are mutually corresponding, the second notch and the second bending opening are mutually corresponding,

a first connecting bridge is arranged between the first notch and the first bending port, a second connecting bridge is arranged between the second notch and the second bending port,

the included angle formed by the first notch is alpha 1, the first bending angle formed by the preset first side plate and the preset second side plate is alpha, alpha 1 is larger than or equal to alpha, the included angle formed by the second notch is beta 1, the second bending angle formed by the preset second side plate and the preset third side plate is beta, and beta 1 is larger than or equal to beta.

Furthermore, the widths of the first bending port and the second bending port are both L1, and L1 is more than or equal to 1mm and less than or equal to 3 mm.

Because the width of the first bending opening and the second bending opening is between 1mm and 3mm, the first bending opening and the second bending opening are easier to process, and a processing tool is easier to obtain.

Furthermore, the widths of the first connecting bridge and the second connecting bridge are both H1, and H1 is more than or equal to 5mm and less than or equal to 8 mm.

Because the width of the connecting bridge is H1, and H1 is more than or equal to 5mm and less than or equal to 8mm, the connecting bridge is not easy to break in the process of bending the edge plate, and the connecting bridge part can not arch after the edge plate is bent, and the edge plate keeps flat.

Furthermore, an electric heating positioning hole is formed in the side plate and used for installing an electric heating device.

The arrangement of the electric heating positioning hole facilitates the installation of the electric heating device, so that the air conditioner has an electric heating function, and the comfort level of the air conditioner is improved.

Furthermore, a ground wire mounting hole is formed in the side plate and used for being connected with a ground wire.

Because still be provided with the ground wire fixed orifices on sideboard panel, can directly realize ground connection on sideboard panel, need not the overlength and walk the line.

Further, a local reinforcing structure is arranged on one side face of the side plate.

Because the local additional strengthening's on the side of sideboard panel setting, has increaseed the intensity of sideboard panel, makes whole evaporimeter structure more firm, increase of service life.

The invention relates to an air conditioner, which comprises an edge plate formed by bending an evaporator edge plate material.

Because the sideboard formula structure as an organic whole of air conditioner is provided with the incision on the first side of sideboard, need not to assemble during the installation sideboard, only need with the sideboard along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.

A method of manufacturing an evaporator side panel comprising:

forming at least one notch on a first side edge of an evaporator side plate material to be processed to form an evaporator side plate material;

and bending the evaporator side plate material into a preset angle along the notch to form a side plate.

Because sideboard panel formula structure as an organic whole is provided with the incision on the first side of sideboard panel, need not to assemble during the installation sideboard panel, only need with sideboard panel along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.

Further, before bending the evaporator side plate along the cut to the preset angle to form the side plate, the method further comprises: the method comprises the following steps that at least one bent opening is formed in a second side edge of an evaporator side plate material to be processed, the second side edge is a long side edge corresponding to a first side edge, the number of the bent openings is equal to that of the notches, the positions of the bent openings are in one-to-one correspondence, and a connecting bridge is arranged between the notches and the bent openings which are in the corresponding relationship;

and in the process that the evaporator side plate is bent into a preset angle along the notch, the second side edges of the two sides of the bent opening corresponding to the notch are separated from the bent opening.

Because be provided with corresponding crooked mouth on the second side of sideboard panel, when installation sideboard panel with sideboard panel along incision, crooked mouthful buckle can, avoid the second side to tear.

Furthermore, the notches formed in the first side edge of the evaporator side plate are all V-shaped notches.

Because the incision is the V type incision, make the angle of buckling of sideboard panel controllable, further guarantee the angle of buckling of sideboard accurate to in the process of buckling, along first incision, the second notched minimum buckle can, the installation is easier.

Furthermore, the bent opening formed on the second side edge of the evaporator side plate is a straight cut perpendicular to the second side edge.

Because the bent openings are straight cuts perpendicular to the second side edge, the first bent opening and the second bent opening can be processed more easily.

Furthermore, the number of the notches arranged on the first side edge of the evaporator side plate is two, namely a first notch and a second notch, the first notch and the second notch divide the evaporator side plate into a first side plate, a second side plate and a third side plate,

the second side edge of the evaporator side plate is provided with two bending ports, namely a first bending port and a second bending port,

the included angle formed by the first notch is alpha 1, the first bending angle formed by the preset first side plate and the preset second side plate is alpha, alpha 1 is larger than or equal to alpha, the included angle formed by the second notch is beta 1, the second bending angle formed by the preset second side plate and the preset third side plate is beta, and beta 1 is larger than or equal to beta.

Furthermore, the widths of the first bending port and the second bending port are both L1, and L1 is more than or equal to 1mm and less than or equal to 3 mm.

Because the width of the first bending opening and the second bending opening is between 1mm and 3mm, the first bending opening and the second bending opening are easier to process, and a processing tool is easier to obtain.

The invention relates to an evaporator side plate which is formed by bending the evaporator side plate.

Because sideboard panel formula structure as an organic whole is provided with the incision on the first side of sideboard panel, need not to assemble during the installation sideboard panel, only need with sideboard panel along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.

Drawings

FIG. 1 is a view of a first embodiment of an evaporator edge panel of the present invention shown in the prior art, prior to bending;

FIG. 2 is a view showing the structure of a first embodiment of evaporator side plate according to the present invention after being bent at a predetermined angle;

FIG. 3 is a view showing a second embodiment of evaporator side plate according to the present invention after being bent at a predetermined angle;

FIG. 4 is a structural view of an evaporator side plate of the present invention, which is bent at a predetermined angle according to a second embodiment.

Description of reference numerals:

11-a first side; 12-a first incision; 13-a second incision; 14-a first sideboard; 15-a second sideboard; 16-a third side panel; 22-a first bend opening; 23-a second bend opening; 31-a first connecting bridge; 32-a first connecting bridge; 33-electrically heating the positioning hole; 34-electric heating means; 35-bottom line fixing holes; 36-local reinforcement structure.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it is to be understood that the forward direction of "X" in the drawings represents the left direction, and correspondingly, the reverse direction of "X" represents the right direction; the forward direction of "Y" represents the forward direction, and correspondingly, the reverse direction of "Y" represents the backward direction; the forward direction of "Z" represents the upward direction, and correspondingly, the reverse direction of "Z" represents the downward direction, and the directions or positional relationships indicated by the terms "X", "Y", "Z", etc. are based on the directions or positional relationships shown in the drawings of the specification, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular direction, be constructed and operated in a particular direction, and thus should not be construed as limiting the present invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

An evaporator side plate according to a first embodiment of the present invention is shown in fig. 1 and 2, and is of an integrated structure, and includes a first side 11 and a second side 21, where the first side 11 and the second side 21 are opposite sides along a length direction, the other two sides of the side plate are opposite sides along a width direction, that is, the side along a Y axis direction of a coordinate axis is a long side, the side along a Z axis direction of the coordinate axis is a short side along a width direction, the first side 11 is provided with two, three or more notches, the specific number of the notches is determined according to the bending number of fins connected to the side plate, the side plate corresponding to a triple-fold fin is provided with two notches, and the side plate corresponding to a quadruple-fold fin is provided with three notches. Because sideboard panel formula structure as an organic whole is provided with the incision on 11 of the first side of sideboard panel, need not to assemble during the installation sideboard panel, only need with sideboard panel along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.

Furthermore, the second side edge 21 is provided with bent openings, the number of the bent openings is equal to that of the notches, the positions of the bent openings correspond to those of the notches one by one, a connecting bridge is reserved between each notch and the corresponding bent opening, during installation, the side plate is bent along the lowest point of the notch, the first side edges 11 located on two sides of the notch are close to each other, and the second side edges 21 located on two sides of the bent openings corresponding to the notches are separated from each other along the bent openings. According to the evaporator side plate disclosed by the invention, as the corresponding bent opening is formed in the second side edge 21 of the side plate, the side plate can be bent along the notch and the bent opening when being installed, so that the second side edge is prevented from being torn.

Further, the included angle that each incision formed on first side 11 is greater than or equal to the angle of buckling of the sideboard that predetermined sideboard panel formed after buckling along this incision, buckles the sideboard panel in the incision position during installation sideboard panel to target in place promptly and buckles into predetermined angle of buckling, and the included angle of sideboard does not receive operating personnel personal factor's influence, and the product uniformity is better, and installation error is little.

Specifically, as shown in fig. 1 and 2, two notches are provided, a first notch 12 and a second notch 13 are provided, two bent notches are provided on a second side 21, a first bent notch 22 and a second bent notch 23 are provided, the first notch 12 and the first bent notch 22 correspond to each other, a first connecting bridge 31 is provided between the first notch 12 and the first bent notch 22, the second notch 13 and the second bent notch 23 correspond to each other, a second connecting bridge 32 is provided between the second notch 13 and the second bent notch 23, the bent notches and the notches have the same number and the same position one-to-one correspondence, a connecting bridge is provided between each notch and the bent notch corresponding to each notch, when the edge plate is mounted, the edge plate is bent along the lowest point of the first notch 12 and the second notch 13, the first sides 11 on both sides of the first notch 12 and the second notch 13 are close to each other, and the second sides 21 on both sides of the first bent notch 22 and the second bent notch 23 are close to each other along the first bent notch 22, The second bending ports 23 are separated from each other.

Further, as shown in fig. 1 and 2, an included angle formed by the first notch 12 is α 1, an included angle formed by the second notch 13 is β 1, the first notch 12 and the second notch 13 divide the edge plate into a first edge plate 14, a second edge plate 15 and a third edge plate 16, a first bending angle formed by the first edge plate 14 and the second edge plate 15 is α, α 1 is greater than or equal to α, a second bending angle formed by the second edge plate 15 and the third edge plate 16 is β, β 1 is greater than or equal to β, and the included angle formed by each notch is greater than or equal to the bending angle of the edge plate after the edge plate is bent along the notch. According to the evaporator side plate, because the included angle formed by each notch is larger than or equal to the preset bending angle of the side plate bent along the notch, the side plate is bent along the first notch 12 and the second notch 13 during installation, when two tangent points of the first notch 12 and two tangent points of the second notch 13 are in mutual contact, the side plate is bent in place, the bending angle of the side plate is controllable, and the accuracy of the bending angle of the side plate is ensured.

Further, the first notch 12 and the second notch 13 are both V-shaped notches. When the edge plate is bent along the first notch 12 and the second notch 13, when two edges of the first notch 12 and the second notch 13 are overlapped with each other, the edge plate is bent in place, so that the bending angle of the edge plate is controllable, the accuracy of the bending angle of the edge plate is further ensured, and in the bending process, the edge plate is bent along the lowest points of the first notch 12 and the second notch 13, so that the installation is easier.

Furthermore, the first curved opening 22 and the second curved opening 23 are both straight cuts perpendicular to the second side 21, and the widths of the straight cuts are both L1, that is, the dimensions of the first curved opening 22 and the second curved opening 23 along the Y axis direction of the coordinate axis are L1, and L1 is not less than 1mm and not more than 3 mm. The width of the straight cut is L1, L1 is more than or equal to 1mm and less than or equal to 3mm, so that the first bending port 22 and the second bending port 23 are easier to process, and processing tools are easy to obtain.

Furthermore, the widths of the first connecting bridge 31 and the second connecting bridge 32 are both H1, that is, the dimension of the first connecting bridge 31 and the second connecting bridge 32 along the Z-axis direction of the coordinate axis is H1, and H1 is not less than 5mm and not more than 8 mm. The width of the connecting bridge is H1, H1 is more than or equal to 5mm and less than or equal to 8mm, so that the connecting bridge is not easy to break in the process of bending the edge plate, the connecting bridge part cannot arch up after the edge plate is bent, and the edge plate is kept flat.

As shown in fig. 3, an evaporator side plate according to another embodiment of the present invention is different from the first embodiment in that an electric heating positioning hole 33 is formed in the side plate, the electric heating positioning hole 33 is used for installing an electric heating device 34, and as shown in fig. 4, an electric heating plug of the electric heating device 34 is fitted into the electric heating positioning hole 33. The arrangement of the electric heating positioning hole is convenient for installing the electric heating device, so that the air conditioner has an electric heating function.

Furthermore, a ground wire fixing hole 35 is further formed in the side plate, and the ground wire fixing hole 35 is used for installing a ground wire. According to the evaporator side plate, the ground wire fixing hole is formed in the side plate, so that grounding can be directly achieved on the side plate without overlong wiring.

Further, a local reinforcing structure 36 is further arranged on one side surface of the sideboard sheet, and specifically, the local reinforcing structure 36 is an L-shaped boss with the thickness less than or equal to 1 mm. Because the local additional strengthening's on the side of sideboard panel setting, has increaseed the intensity of sideboard panel, makes whole evaporimeter structure more firm, increase of service life.

The invention relates to an evaporator side plate which is formed by bending the evaporator side plate.

The invention relates to an air conditioner, which comprises an edge plate formed by bending an evaporator edge plate material. According to the air conditioner, the evaporator side plate is of an integrated structure, the first side edge 11 of the side plate is provided with the notch, the side plate does not need to be assembled when being installed, the side plate only needs to be bent along the notch and the bending opening, the production process is simplified, the working time is shortened, the number of parts of the whole evaporator is reduced, and the parts are prevented from being lost.

The invention relates to a method for manufacturing an evaporator side plate, which comprises the following steps:

the method comprises the following steps of (1) forming a notch on a first side edge 11 of an evaporator side plate material to be processed, wherein one or more notches can be formed according to requirements to form an evaporator side plate material;

and bending the evaporator side plate along the notch into a preset angle to form the evaporator side plate.

Because be provided with the incision on the first side 11 of sideboard panel, the sideboard panel is buckled into along the incision and is predetermine the angle, need not to assemble during the installation sideboard panel, only need with the sideboard panel along the incision buckle can, simplify production technology, shorten man-hour to make the part quantity of whole evaporimeter reduce, avoid the part to lose.

Further, before bending the evaporator side plate along the notch into a preset angle, the method further comprises:

the method comprises the following steps that one or more bent openings are formed in a second side edge 21 of an evaporator side plate material to be processed, the second side edge 21 is a long side edge corresponding to a first side edge 11, the number of the bent openings is equal to that of the notches, the positions of the bent openings correspond to those of the notches one by one, and connecting bridges are arranged between the notches and the bent openings which correspond to each other;

in the process of bending the evaporator side plate along the notch at a predetermined angle, the second side edges 21 of both sides of the bent opening corresponding to the notch are separated from each other along the bent opening.

Because the second side 21 of sideboard panel is provided with corresponding crooked mouth, when installing sideboard panel with sideboard panel along incision bending, along crooked mouthful alternate segregation, avoid the second side to tear with the second side 21 of the crooked mouthful both sides that the incision corresponds.

Furthermore, the notches formed in the first side edge 11 of the evaporator side plate are all V-shaped notches.

Because the notch is the V type notch, when buckling the sideboard board along the notch, when two edges of the notch are mutually overlapped, the sideboard board is already buckled in place, so that the buckling angle of the sideboard board is controllable, and the accuracy of the buckling angle of the sideboard board is further ensured.

Further, the bent opening formed on the second side edge 21 of the evaporator side plate is a straight cut perpendicular to the second side edge 21.

Since the bent opening is a straight cut perpendicular to the second side 21, the bent opening is easier to process.

Furthermore, the number of the cuts arranged on the first side edge 11 of the evaporator side plate is two, a first cut 12 and a second cut 13, the first cut 12 and the second cut 13 divide the side plate into a first side plate 14, a second side plate 15 and a third side plate 16,

the two bending openings are arranged on the second side edge 21 of the evaporator side plate, namely a first bending opening 22 and a second bending opening 23, the first bending opening 22 corresponds to the first notch 12, and the second bending opening 23 corresponds to the second notch 13.

The included angle formed by the first cut 12 is α 1, the first bending angle formed by the first side plate 14 and the second side plate 15 is α, α 1 is larger than or equal to α, the included angle formed by the second cut 13 is β 1, the second bending angle formed by the second side plate 15 and the third side plate 16 is β, and β 1 is larger than or equal to β.

Because the included angle that each incision formed is greater than or equal to the angle of buckling of the sideboard that the predetermined sideboard panel formed after buckling along this incision, during the installation, buckle the sideboard panel along first incision 12, second incision 13, when two tangential points of first incision 12 and two tangential points of second incision 13 all contacted each other, the sideboard panel has already been buckled in place, makes the angle of buckling of sideboard controllable, guarantees that the angle of buckling of sideboard is accurate.

Furthermore, the widths of the first bending port 22 and the second bending port 23 are both L1, and L1 is more than or equal to 1mm and less than or equal to 3mm, so that the bending ports are easier to process, and processing tools are easier to obtain.

Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.