A wine cabinet with a top-mounted fan and an installation method for the top-mounted fan

Abstract

The present invention discloses a wine cabinet with a top-mounted fan and an installation method for the top-mounted fan. The wine cabinet comprises: a box body, in which an inner container is arranged; an air duct cover plate, which is installed on the rear wall of the inner container and forms a main air duct with the rear wall of the inner container, and an insertion part is formed on the air duct cover plate; a fan assembly, which includes: a fan; a fan cover, which is arranged at the top of the inner container, and a wiring terminal head capable of being docked with the fan is arranged on the fan cover; a fan curtain plate, which includes an embedding part and a connecting part, the embedding part is configured to be embedded into the insertion part of the air duct cover plate and form a gap between the embedding part and the insertion part to enable the fan curtain plate to rotate relative to the air duct cover plate, and the connecting part is configured to connect the fan curtain plate and the fan cover after the fan curtain plate rotates in place; the fan curtain plate and the fan cover form a fan cavity for placing the fan, and the fan cavity is communicated with the main air duct. By means of the present invention, the problem that in the prior art, the fan of the wine cabinet is located in the main air duct, occupying space and resulting in low refrigeration efficiency of the wine cabinet is solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of wine cabinets, and particularly relates to a wine cabinet with a top-mounted fan and an installation method of the top-mounted fan. Background Art

[0002] Existing wine cabinets include a box body, an inner liner is provided in the box body, a main air duct is arranged on the rear wall of the inner liner, a fan and an evaporator are correspondingly arranged in the main air duct. When setting, the fan and the evaporator generally adopt an up-and-down setting method. An air return opening is arranged at the bottom of the main air duct, and an air outlet is arranged at the top of the main air duct. Air is sucked into the main air duct through the air return opening and then discharged through the top air outlet. For a wine cabinet with such a structure, the fan is arranged in the main air duct on the rear wall of the inner liner, occupying the space of the main air duct. In this way, only the size of the evaporator can be correspondingly reduced. When the size of the evaporator becomes smaller, the heat exchange area becomes smaller, and finally the refrigeration efficiency of the wine cabinet is reduced.

[0003] The above information disclosed in this background art is only used to increase the understanding of the background art of the present application. Therefore, it may include prior art that is not known to those of ordinary skill in the art. Summary of the Invention

[0004] The present invention aims at the problem that the fan of the wine cabinet in the prior art is located in the main air duct, occupying space and resulting in low refrigeration efficiency of the wine cabinet.

[0005] To achieve the above-mentioned invention purpose, the present invention adopts the following technical solutions:

[0006] A wine cabinet with a top-mounted fan, comprising:

[0007] A box body, in which an inner liner is arranged;

[0008] An air duct cover plate, which is installed on the rear wall of the inner liner and forms a main air duct with the rear wall of the inner liner. An insertion part is formed on the air duct cover plate;

[0009] A fan assembly, which includes:

[0010] A fan;

[0011] A fan cover, which is arranged on the top of the inner liner, and a wiring terminal head that can be docked with the fan is arranged on the fan cover;

[0012] A fan curtain plate, which includes an embedding part and a connecting part. The embedding part is configured to be embedded into the insertion part of the air duct cover plate and form a gap with the insertion part that can make the fan curtain plate rotate relative to the air duct cover plate. The connecting part is configured to connect the fan curtain plate and the fan cover after the fan curtain plate rotates in place; the fan curtain plate and the fan cover form a fan cavity for placing the fan, and the fan cavity is communicated with the main air duct.

[0013] Further, the box body includes a box shell, and a main controller is arranged in the box body; a foaming cavity is formed between the box shell and the inner liner, and a main communication line connected to the main controller is buried in the foaming cavity, and the main communication line is electrically connected to the terminal head.

[0014] Further, the embedding part is a folding edge formed at one side of the fan curtain board, and the folding edge is perpendicular to the fan curtain board.

[0015] Further, the connecting part is a buckle arranged on the fan curtain board, a clamping groove matched with the buckle is arranged on the fan cover, and a guiding surface is arranged on one side surface of the clamping groove.

[0016] Further, the air duct cover plate includes an air duct cover plate body and a support wall extending from the air duct cover plate body, and the support wall and the air duct cover plate body enclose to form the insertion part.

[0017] Further, the support wall at least includes an inclined first guiding section and an inclined second guiding section, an included angle is formed between the first guiding section and the second guiding section, the included angle is between 100° and 120°, and the second guiding section is connected to the air duct cover plate body.

[0018] Further, it further includes: a fastening assembly, which includes: a first assembly part arranged on the fan cover; a second assembly part arranged on the fan curtain board; a fastener arranged in the first assembly part and the second assembly part to connect and fix the fan cover and the fan curtain board.

[0019] Further, it further includes: a fan bracket, the fan is fixed on the fan curtain board through the fan bracket, and a gap is formed between the fan and the fan curtain board, and the gap is between 5 and 10 mm.

[0020] Further, a seal is arranged on the edge of the top of the air duct cover plate close to the embedding part. After the fan curtain board is rotatably fixed, the air duct cover plate is pressed and sealed with the embedding part through the seal.

[0021] The present invention also provides a method for installing a top-mounted fan of a wine cabinet with a top-mounted fan, including the following steps:

[0022] Install the fan cover: Assemble the fan cover on the top of the inner liner of the wine cabinet, and a foaming cavity is formed by the fan cover, the inner liner and the box shell of the wine cabinet;

[0023] Foam and press the fan cover: Foam to press and fix the fan cover and the terminal head arranged on the fan cover;

[0024] Install the air duct cover plate: Fix the air duct cover plate to the rear wall of the inner liner to form a main air duct;

[0025] Assemble the lower blower assembly: Connect the blower curtain plate and the blower together to form the blower assembly;

[0026] Install the lower blower assembly: Move the lower blower assembly upward, and dock the wiring terminal of the blower with the terminal head on the blower cover; Insert the embedding part of the blower curtain plate into the insertion part of the air duct cover plate. After rotating the lower blower assembly to the predetermined position, connect and fix the blower curtain plate to the blower cover.

[0027] The present invention also provides a method for installing a top-mounted blower in a wine cabinet with a top-mounted blower, including the following steps:

[0028] Preliminarily install the blower cover: Install the blower cover on the top of the inner liner of the wine cabinet, and form a foaming cavity surrounded by the blower cover, the inner liner and the cabinet shell of the wine cabinet;

[0029] Foam and press the blower cover: Foam to press and fix the blower cover and the terminal head arranged on the blower cover;

[0030] Install the air duct cover plate: Fix the air duct cover plate to the rear wall of the inner liner to form the main air duct;

[0031] Assemble the lower blower assembly: Fix and connect the blower curtain plate and the blower to form the lower blower assembly;

[0032] Install the lower blower assembly: Insert the embedding part of the blower curtain plate into the insertion part of the air duct cover plate. Through the opening between the blower cover and the blower curtain plate, dock the wiring terminal of the blower and the terminal head on the blower cover. After rotating the lower blower assembly to the predetermined position, connect and fix it to the blower cover through the connecting part on the blower curtain plate.

[0033] Compared with the prior art, the advantages and positive effects of the present invention are:

[0034] When installing the blower assembly in the present invention, the blower curtain plate can be first embedded into the air duct cover plate, or the blower and the blower curtain plate can be moved upward as a whole and then the blower curtain plate can be embedded into the air duct cover plate. Then, dock the wiring terminal of the blower and the plug-in terminal head, and rotate the blower curtain plate clockwise around the air duct cover plate towards the side close to the air duct cover. After rotating in place, connect and fix it to the blower cover, realizing the fast and convenient installation of the top of the blower. Since the blower is top-mounted, it does not occupy the space of the evaporator in the air duct, increasing the usable area of the evaporator and improving the refrigeration efficiency of the entire wine cabinet.

[0035] After reading the specific embodiments of the present invention in conjunction with the accompanying drawings, other features and advantages of the present invention will become clearer. Description of the Drawings

[0036] To more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0037] Figure 1 It is a schematic structural diagram of the fan assembly in place in an embodiment of the wine cabinet with a top-mounted fan of the present invention;

[0038] Figure 2 For Figure 1 partial enlarged view of A in;

[0039] Figure 3 It is a schematic structural diagram of the fan curtain board and the air duct cover plate assembly in an embodiment of the wine cabinet with a top-mounted fan of the present invention;

[0040] Figure 4 For Figure 3 partial enlarged view of B in;

[0041] Figure 5 It is a matching structure diagram of the fan cover and the inner container in an embodiment of the wine cabinet with a top-mounted fan of the present invention;

[0042] Figure 6 For Figure 5 partial enlarged view of C in.

[0043] Among them, the box body - 100; the inner container - 110; the box shell - 120; the inner container rear wall - 111; the second bending section - 114; the inner container top wall - 112; the notch - 113; the main air duct - 200; the air duct cover plate - 210; the insertion part - 211; the air duct cover plate body - 220; the support wall - 230; the first guiding section - 231; the second guiding section - 232; the fan - 310; the fan cover - 320; the clamping groove - 322; the guiding surface - 323; the cover body - 324; the wiring terminal head - 321; the inclined section - 325; the vertical section - 326; the first bending section - 327; the limiting part - 328; the fan curtain board - 330; the embedding part - 331; the connecting part - 332; the fan cavity - 400; the air return opening - 410; the gap - 500; the first assembling part - 610; the second assembling part - 620; the fastener - 630; the sealing part - 700. Specific embodiments

[0044] In order to make the purpose, technical solutions and advantages of the present invention clearer and more understandable, the following will further elaborate on the present invention in combination with the drawings and embodiments.

[0045] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the drawings, which are only for the convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0046] The present invention provides an embodiment of a wine cabinet with a top-mounted fan, referring to Figures 1-6 As shown, it includes: a box body 100, the box body 100 includes an inner liner 110 and a box shell 120, a foaming cavity is formed between the inner liner 110 and the box shell 120, a wine storage cavity is defined inside the inner liner 110, and an equipment room is also provided at the bottom of the box body 100, in which a controller is provided, and the controller is connected to each device in the wine cabinet through a main communication line, such as communicating with the fan 310. When setting, the main communication line is pre-buried in the foaming cavity, and the main communication line is connected to the plug-in terminal of the corresponding device through the terminal head 321.

[0047] The main air duct 200 is formed on the inner liner rear wall 111, and includes an air duct cover plate 210 and the inner liner rear wall 111. The air duct cover plate 210 is fixedly connected to the inner liner rear wall 111 and the main air duct 200 is formed between the air duct cover plate 210 and the inner liner rear wall 111. When specifically connected, the air duct cover plate 210 can be connected and fixed to the inner liner rear wall 111 by screws, or other connection and fixing methods, which are not described in detail here. The main air duct 200 includes an exhaust port for exhausting air into the wine storage chamber, and an insertion portion 211 is formed on the air duct cover 210. Preferably, the insertion portion 211 in this embodiment is an insertion slot with a top opening formed on the air duct cover 210. The air duct cover 210 includes an air duct cover body 220 and a support wall 230 extending from the air duct cover body 220. The support wall 230 and the air duct cover body 220 are arranged to form an insertion slot. Preferably, the support wall 230 is arranged on the inner side surface of the air duct cover body 220 close to the inner liner 110. The support wall 230 at least includes a first guide section 231 and a second guide section 232 that are inclined. There is an angle between the first guide section 231 and the second guide section 232, and the angle is 100-120 degrees. The second guide section 232 is connected to the air duct cover body 220 near the bottom of the insertion slot. The first guide section 231 and the second guide section 232 are mainly used to guide the folded edge so that the folded edge can enter the insertion slot along the guide direction.

[0048] The fan assembly in this embodiment includes: a fan 310 for sucking air from the wine storage cavity, a fan cover 320. The fan cover 320 is arranged on the top of the inner tank 110 and forms a foaming cavity together with the inner tank 110 and the box shell 120. At least a terminal head 321 that can be docked with the fan 310 is arranged on the fan cover 320. Preferably, the fan cover 320 in this embodiment is a separately formed part, including a cover body 324, an inclined section 325 connected to the cover body 324, a vertical section 326 connected to the inclined section 325, and a first bending section 327 connected to the vertical section 326. The terminal head 321 is assembled on the inclined section 325. Since this section is inclined, it can prevent condensate from accumulating here, resulting in poor contact of the terminal head 321 due to water ingress. When the condensate flows through here, it will flow downward along the inclined surface.

[0049] Specifically, a notch 113 is formed at the position of the top wall 112 of the inner tank. The fan cover 320 is assembled at this notch 113 and is connected to a part of the top wall 112 of the inner tank around the notch 113. A second bending section 114 is formed at the top of the rear wall 111 of the inner tank. The first bending section 327 is adapted and fitted to the second bending section 114. The fan cover 320 is wrapped and fitted on the second bending section 114 through the first bending section 327 to achieve a smooth transition connection with the rear wall 111 of the inner tank. A limiting part 328 is also formed on the fan cover 320. The limiting part 328 is located at the connection position of the first bending section 327 and the vertical section 326 and extends downward from this position, and can be used to abut against the end surface of the second bending section 114 to limit the movement of the second bending section 114.

[0050] A fan curtain plate 330, which is fixedly connected to the fan 310 and maintains a distance from the fan 310. Preferably, the distance is 5 - 10 mm, for ensuring the normal operation of the fan 310; since the fan cover 320 is assembled on the inner tank 110, when foaming the foaming cavity 130 between the inner tank 110 and the box shell 120, a squeezing force will be applied to the fan cover 320, which may cause the position of the fan cover 320 to move. If the fan 310 is assembled on the fan cover 320, the distance between the fan 310 and the fan curtain plate 330 will change. Therefore, in this embodiment, the fan 310 is fixedly connected to the fan curtain plate 330 instead of connecting and fixing the fan 310 to the fan cover 320, so as to ensure that a certain distance can always be maintained between the fan 310 and the fan curtain plate 330, ensuring the normal operation of the fan 310 and the service performance of the fan 310.

[0051] Preferably, the blower curtain plate 330 in this embodiment includes an embedding part 331 and a connecting part 332. It is connected to the insertion part 211 of the air duct cover plate 210 through the embedding part 331 and connected to the blower cover 320 through the connecting part 332. A blower cavity 400 for placing the blower 310 is formed between the blower curtain plate 330 and the blower cover 320. The blower cavity 400 includes an air return opening 410, which is specifically arranged on the blower curtain plate 330 and is used to suck the air flow in the wine storage cavity. The blower cavity 400 is communicated with the main air duct 200, which can ensure that the air inhaled from the air return opening 410 of the blower 310 enters the main air duct 200. After being heated and exchanged by the evaporator in the main air duct 200, it is discharged through the air outlet. The embedding part 331 is configured to be embedded into the insertion part 211 and form a gap 500 between it and the insertion part 211 that allows the blower curtain plate 330 to rotate relative to the air duct cover plate 210. The connecting part 332 is configured to connect the blower curtain plate 330 and the blower cover 320 after the blower curtain plate 330 rotates in place.

[0052] In this embodiment, a blower cavity 400 communicated with the main air duct 200 is arranged on the top wall 112 of the inner tank. In this way, the blower 310 does not need to be arranged in the main air duct 200, reducing the occupation of the space in the main air duct 200, increasing the layout area of the evaporator in the main air duct 200, increasing the heat exchange area and the refrigeration efficiency of the entire wine cabinet.

[0053] Preferably, the embedding part 331 is a folding edge formed at one side edge of the blower curtain plate 330, and the folding edge is perpendicular to one of the side edges of the blower curtain plate 331.

[0054] Preferably, the connecting part 332 is a buckle arranged on the blower curtain plate 330. A clamping groove 322 cooperating with the buckle is arranged on the blower cover 320, and a guiding surface 323 is arranged on one side surface of the clamping groove 322. Preferably, the folding edge and the buckle are arranged on the opposite side edges of the blower curtain plate 330. When mating, the folding edge on one side can be first inserted into the insertion slot, and then the blower curtain plate 330 is rotated so that the buckle on the other side is correspondingly snapped into the clamping groove 322 of the blower cover 320 to be connected and fixed to the blower cover 320. At the same time, through the guiding surface 323 arranged on the clamping groove 322, it can also play a certain guiding role when the blower curtain plate 330 is rotationally assembled, so that the blower curtain plate 330 can be quickly assembled in place.

[0055] Specifically, during assembly, the folded edge is pre-inserted into the insertion slot, and its bottom abuts against the corresponding first guiding section 231 of the supporting wall 230. When the air duct curtain plate 330 rotates, the bottom of the folded edge continuously moves downward along the guiding action of the first guiding section 231, moves onto the second guiding section 232, and continues to move downward through the guiding action of the second guiding section 232 until it finally enters and is clamped and fixed at the bottom position of the corresponding insertion slot between the second guiding section 232 and the air duct cover body 220. At this time, the air duct curtain plate 330 also rotates into place, and it is clamped and fixed to the blower housing 320 by the corresponding snap of the buckle above it being snapped into the card slot 322 of the blower housing 320.

[0056] To further connect and fix the blower curtain plate 330 and the blower housing 320, this embodiment further includes a fastening assembly, which includes a first assembly part 610, a second assembly part 620, and a fastener 630.

[0057] Preferably, the first assembly part 610 is a first screw post, which is arranged on the blower housing 320, the second assembly part 620 is a second screw post, which is arranged on the blower curtain plate 330, and the fastener 630 is a fastening screw. The fastening screw is sequentially screwed into the first screw post and the second screw post to further fasten and connect the blower curtain plate 330 and the blower housing 320, preventing the two from falling off.

[0058] Preferably, to ensure that a certain distance can be maintained between the air duct cover body 220 and the folded edge to facilitate the rotation of the air duct cover 210, the distance between the second guiding section 232 and the air duct cover body 220 is at least greater than three times the thickness of the blower curtain plate 330.

[0059] Preferably, the blower 310 in this embodiment is fixed to the blower curtain plate 330 through a blower bracket.

[0060] Specifically, a terminal insertion hole is provided on the blower housing 320, and the wiring terminal head 321 is inserted and fixed in the terminal insertion hole. A first insertion terminal is also provided on the air duct cover 210. The first insertion terminal can be an insertion terminal for a temperature sensor or a humidity sensor used to detect the temperature or humidity of the wine cabinet. The first insertion terminal is inserted and fixed to the wiring terminal head 321.

[0061] To achieve the sealing and fixing between the air duct cover 210 and the blower curtain plate 330, a seal 700 is provided on the edge of the top of the air duct cover 210 near the folded edge side. After the blower curtain plate 330 is rotationally fixed, the air duct cover 210 is pressed and sealed with the side of the folded edge through the seal 700. Preferably, the seal 700 can be a sealing sponge or a sealing strip, and no specific limitation is made here.

[0062] The present invention also provides a method for installing the fan 310 of a wine cabinet with a top-mounted fan, including the following steps:

[0063] Preliminarily install the fan cover 320: Assemble the fan cover 320 on the top of the inner liner 110 of the wine cabinet. Specifically, the fan cover 320 can be fixed to the top wall of the inner liner 110 by screws.

[0064] Foam and press the fan cover 320: Conduct foam insulation for the cabinet 100, press and fix the fan cover 320 with the foam material, and at the same time press and fix the terminal head 321 on the fan cover 320.

[0065] Install the air duct cover plate 210: Fix the air duct cover plate 210 on the rear wall 111 of the inner liner to form the main air duct 200.

[0066] Form the lower fan assembly: Fix the fan curtain plate 330 and the fan 310 together to form the lower fan assembly, and keep a certain distance, such as 5-10 mm, between the fan 310 and the fan curtain plate 330.

[0067] Assemble the lower fan assembly: Lift the lower fan assembly as a whole and move it to a position close to the terminal head 321. Insert the terminal of the fan 310 into the terminal head 321. After the insertion is completed, place the embedding part 331 of the fan curtain plate 330 on the insertion part 211, and rotate the lower fan assembly to connect and fix it to the fan cover 320. Specifically, the fan 310 is provided with a terminal adapted to the terminal head 321, and the terminal head 321 is connected to the main communication line. To realize the communication between the fan 310 and the controller, connect the terminal of the fan 310 to the terminal head 321. Since the terminal head 321 is provided on the fan cover 320 in this embodiment, if the fan curtain plate 330 is assembled first, due to the obstruction of the fan curtain plate 330, the internal terminal head 321 located on the fan cover 320 cannot be seen, making it impossible to dock the terminal of the fan 310 and the terminal head 321; and since the space between the fan template 330 and the inner liner 110 is generally relatively narrow, it is impossible to reach in with a hand to operate and connect the terminal of the fan 310 and the terminal head 321. Therefore, in this embodiment during assembly, first fix the air duct cover plate 210 on the rear wall 111 of the inner liner, and then assemble the fan curtain plate 330 in the lower fan assembly.

[0068] Of course, for the convenience of assembly and to make the assembly process more labor-saving, this embodiment also provides another assembly method for the fan 310, including the following steps: Preliminarily install the fan cover 320: Assemble the fan cover 320 on the top of the inner liner 110.

[0069] Foam and press the fan cover 320: Conduct foam insulation to press and fix the fan cover 320 and press the terminal head 321.

[0070] Install the air duct cover plate 210: Fix the air duct cover plate 210 on the rear wall 111 of the inner tank to form the main air duct 200;

[0071] Form the lower fan assembly: Fix the fan curtain plate 330 and the fan 310 fixedly connected to form the lower fan assembly;

[0072] Assemble the lower fan assembly: Place the embedding part 331 of the fan curtain plate 330 of the lower fan assembly on the insertion part 211. Through the opening between the fan cover 320 and the fan curtain plate 330, insert the wiring terminal of the fan and the plug-in terminal head 321. Rotate the lower fan assembly so that the lower fan assembly rotates clockwise relative to the air duct cover plate 210 to approach the bottom surface of the fan cover 320. After rotating to the predetermined position, connect and fix it through the connecting part 332 on the fan curtain plate 330 and the fan cover 320.

[0073] The assembly method of the overhead fan 310 in this embodiment is that after the air duct cover plate 210 is assembled, first place the folded edge on the fan curtain plate 330 in the lower fan assembly on the support wall 230, then insert the wiring terminal on the fan 310 and the plug-in terminal head 321 on the fan cover 320. The air duct cover plate 210 can bear part of the gravity of the lower fan assembly, so that during assembly, the operator does not need to fully bear the gravity of the entire lower fan assembly, making the assembly more labor-saving. Finally, rotate the fan curtain plate 330 and clamp it with the fan cover 320 to fix it.

[0074] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, for those of ordinary skill in the art, it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions required to be protected by the present invention.

Claims

1. A wine cabinet with a top-mounted fan, characterized in that, Comprising: A box body, with an inner container provided in the box body; An air duct cover plate, which is installed on the rear wall of the inner container and forms a main air duct between it and the rear wall of the inner container. An insertion part is formed on the air duct cover plate; A fan assembly, which includes: A fan; A fan cover, which is arranged on the top of the inner container. A wiring terminal head that can be docked with the fan is arranged on the fan cover; A fan curtain board, which includes an embedding part and a connecting part. The embedding part is configured to be embedded into the insertion part of the air duct cover plate and form a gap that allows the fan curtain board to rotate relative to the air duct cover plate between it and the insertion part. The connecting part is configured to connect the fan curtain board and the fan cover after the fan curtain board rotates into place; The fan curtain board and the fan cover form a fan cavity for placing the fan, and the fan cavity is communicated with the main air duct.

2. The wine cabinet with a top-mounted fan according to claim 1, characterized in that The box body includes a box shell, and a main controller is provided in the box body; A foaming cavity is formed between the box shell and the inner container, and a main communication line connected to the main controller is buried in the foaming cavity, and the main communication line is electrically connected to the wiring terminal head.

3. The wine cabinet with a top-mounted fan according to claim 1, characterized in that The embedding part is a folded edge formed at one side of the fan curtain board, and the folded edge is perpendicular to the fan curtain board.

4. The wine cabinet with a top-mounted fan according to claim 1, characterized in that, The connecting part is a buckle arranged on the fan curtain board, and a clamping groove cooperating with the buckle is arranged on the fan cover, and a guiding surface is arranged on one side surface of the clamping groove.

5. The wine cabinet with a top-mounted fan according to any one of claims 1-4, characterized in that, The air duct cover plate includes an air duct cover plate body and a support wall extending from the air duct cover plate body. The support wall and the air duct cover plate body enclose to form the insertion part.

6. The wine cabinet with a top-mounted fan according to claim 5, characterized in that, The support wall at least includes an inclined first guiding section and an inclined second guiding section. There is an included angle between the first guiding section and the second guiding section, and the included angle is between 100° - 120°, and the second guiding section is connected to the air duct cover plate body.

7. The wine cabinet with a top-mounted blower according to any one of claims 1-4, characterized in that, Also including: A fastening assembly, which includes: A first assembly part, which is arranged on the fan cover; A second assembly part, which is arranged on the fan curtain board; A fastener, which is arranged in the first assembly part and the second assembly part to connect and fix the fan cover and the fan curtain board.

8. The wine cabinet with a top-mounted fan according to any one of claims 1-4, characterized in that, Also including: A fan bracket, the fan is fixed on the fan curtain board through the fan bracket, and there is a gap between the fan and the fan curtain board, and the gap is between 5 - 10 mm.

9. The wine cabinet with a top-mounted fan according to any one of claims 1-4, characterized in that, A sealing member is arranged on the edge of the top of the air duct cover plate close to the embedding part. After the fan curtain board rotates and is fixed, the air duct cover plate is pressed and sealed with the embedding part through the sealing member.

10. A method for installing a top-mounted fan of a wine cabinet with a top-mounted fan, including the following steps: Install the fan cover: Assemble the fan cover on the top of the inner container of the wine cabinet, and a foaming cavity is formed by the fan cover, the inner container and the box shell of the wine cabinet; Foam and press the fan cover: Foam to press and fix the fan cover and the wiring terminal head arranged on the fan cover; Install the air duct cover plate: Fix the air duct cover plate to the rear wall of the inner container to form a main air duct; Assemble the lower fan assembly: Connect the fan curtain board and the fan together to form a fan assembly; Assemble the lower fan assembly: Move the lower fan assembly upward, and dock the wiring terminal of the fan with the terminal head on the fan cover; Insert the embedding part of the fan curtain board into the insertion part of the air duct cover plate. After rotating the lower fan assembly to the predetermined position, connect and fix the fan curtain board to the fan cover.

11. A method for installing a top-mounted fan of a wine cabinet with a top-mounted fan, comprising the following steps: Preliminarily install the fan cover: Install the fan cover on the top of the inner liner of the wine cabinet, and a foaming cavity is formed by the fan cover, the inner liner and the cabinet shell of the wine cabinet; Foam and press the fan cover: Foam to press and fix the fan cover and the terminal head arranged on the fan cover; Install the air duct cover plate: Fix the air duct cover plate to the rear wall of the inner liner to form the main air duct; Assemble the lower fan assembly: Fix and connect the fan curtain board and the fan to form the lower fan assembly; Assemble the lower fan assembly: Insert the embedding part of the fan curtain board into the insertion part of the air duct cover plate, and through the opening between the fan cover and the fan curtain board, dock the wiring terminal of the fan and the terminal head on the fan cover. After rotating the lower fan assembly to the predetermined position, connect and fix it through the connecting part on the fan curtain board and the fan cover.

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