A mounting structure of a refrigerator air duct plate and a decorative cover plate

Abstract

The utility model discloses a kind of installation structure of refrigerator air duct plate and decorative cover plate, including air duct plate and decorative cover plate, the pin hole on the cooperation beam of decorative cover plate bottom surface is mutually inserted with the latch on the front surface receiving beam of air duct plate, and the ring edge on decorative cover plate is sleeved to the outer periphery of air duct plate to limit the pulling of edge direction to decorative cover plate.The first clamping hole on ring edge is clamped into the first clamping hook of the outer periphery of air duct plate to be fixed, and the middle part of air duct plate and the middle part of decorative cover plate are mutually abutted by top plate and supporting surface, while limiting latch to be separated from pin hole, also can play the role of tensile anti-deformation to decorative cover plate, by being arranged at the second clamping hook and the second clamping hole of the bottom surface of decorative cover plate and the front surface of air duct plate mutually clamped, can form several nodes on decorative cover plate to limit the position of decorative cover plate on the basis of being fixed, so that pp material decorative cover plate of large size can also be stably installed on air duct plate.

Description

Technical Field

[0001] This utility model relates to the field of refrigerators, and in particular to an installation structure for a refrigerator air duct plate and decorative cover plate. Background Technology

[0002] The air duct assembly of a refrigerator actually includes the bottom air duct plate and the decorative cover plate arranged on the surface of the air duct plate. Currently, there are two main materials for the decorative cover plate. One is HIPS material, which has high hardness. During installation, only a few points on the edge need to be fixed with bolts to ensure that the decorative cover plate will not deform. However, it is expensive. Therefore, many companies have switched to using PP material to make decorative cover plates. Decorative cover plates made of this material are low in cost, but they are softer and more prone to deformation. When the decorative cover plate is larger than 500mm, the deformation is particularly noticeable. Therefore, decorative cover plates made of PP material are often only suitable for small-sized air duct assemblies. Utility Model Content

[0003] To address the aforementioned problems, the purpose of this utility model is to provide an installation structure for a refrigerator air duct plate and a decorative cover plate, thereby ensuring that the decorative cover plate is stably fixed to the air duct plate and is not prone to deformation when using a decorative cover plate made of PP material.

[0004] The technical solution adopted by this utility model to solve the problem is: an installation structure for a refrigerator air duct plate and a decorative cover plate, comprising:

[0005] The air duct plate has an air duct. Several protruding first hooks are arranged on the left and right sides and the top edge of the air duct plate. A supporting beam extending towards the front end of the air duct plate is horizontally arranged at the lower part of the front side of the air duct plate. Several pins extending towards the top of the air duct plate are arranged on the supporting beam. A top plate extending towards the front end of the air duct plate is horizontally arranged at the middle part of the front side of the air duct plate.

[0006] The decorative cover plate has a rearwardly extending mating beam on its bottom surface, and a pin hole for inserting the pin therein. The left and right sides and the top of the bottom surface of the decorative cover plate have a ring edge for wrapping around the outer perimeter of the air duct plate. The ring edge has a first locking hole for engaging the first hook therein. The middle of the bottom surface of the decorative cover plate has a support surface facing the top of the decorative cover plate. The distance between the support surface and the bottom of the pin hole is greater than the distance between the top of the pin and the top plate and less than the distance between the bottom of the pin and the top plate. When the decorative cover plate is installed on the air duct plate, the support surface is used to abut against the top plate and prevent the pin from disengaging from the pin hole.

[0007] Several sets of auxiliary connecting components, each including a second hook and a second hole, are evenly arranged on the bottom surface of the decorative cover and the front surface of the air duct plate.

[0008] As a further improvement to the above technical solution, the front of the air duct plate is provided with a first reinforcing rib plate that is located above the top plate and is arc-shaped, and the bottom surface of the decorative cover plate is provided with an arc-shaped second reinforcing rib plate. The second reinforcing rib plate is connected to the support surface and extends to the bottom of the support surface at both ends. When the decorative cover plate is installed on the air duct plate, the second reinforcing rib plate is used to abut against the inner side of the first reinforcing rib plate.

[0009] As a further improvement to the above technical solution, the air duct is arranged on the front of the air duct plate, the top plate, the supporting beam, and the first reinforcing rib plate are all arranged in the air duct, and the second hook or second hole arranged on the air duct plate is also set in the air duct. When the decorative cover plate is installed on the front of the air duct plate, it covers part of the air duct located above the supporting beam.

[0010] As a further improvement to the above technical solution, a connecting hole penetrating into the cavity is provided in the middle of the back of the air duct plate, a bolt hole is provided in the middle of the back of the air duct plate, and a locking bolt passing through the connecting hole and screwed into the bolt hole is provided on the back of the air duct plate.

[0011] As a further improvement to the above technical solution, a support plate extending toward the bottom surface of the decorative cover plate is provided in the middle of the bottom surface of the decorative cover plate, and the upper surface of the support plate forms the support surface.

[0012] As a further improvement to the above technical solution, the bottom surface of the decorative cover is provided with several protruding extension platforms, the second card hole is arranged on the extension platform, and the second card hook is fixed to the front of the air duct plate.

[0013] As a further improvement to the above technical solution, the distance between the extension platform and the edge of the decorative cover plate is between 50-200mm.

[0014] As a further improvement to the above technical solution, the second hook is arranged in two sets on the air duct plate, one above and one below the top plate, with the two sets of second hooks facing opposite directions.

[0015] As a further improvement to the above technical solution, elastic connecting rods extending backward are provided on the circumferential edges on the left and right sides of the decorative cover plate. A third hook is provided on the inner side of the end of the elastic connecting rod. The third hook passes through the edge of the air duct plate and engages with the back of the air duct plate.

[0016] As a further improvement to the above technical solution, the left and right sides of the air duct plate are provided with notches along the height direction for the third hook to pass through.

[0017] The beneficial effects of this utility model are as follows: During installation, the decorative cover plate is first tilted and inserted into the front of the air duct plate, so that the pin hole on the bottom surface of the decorative cover plate is engaged with the pin on the front bearing beam of the air duct plate. At this time, the top plate and the supporting surface are still in a detached state. Then, the top surface of the decorative cover plate is pressed and closed relative to the front of the air duct plate, so that the supporting surface is squeezed to a certain extent and then inserted into the bottom of the top plate. During this closing process, the second hook and the second hole arranged on the bottom surface of the decorative cover plate and the front surface of the air duct plate will engage with each other, and the outer edge of the decorative cover plate will be wrapped around the top and side of the air duct plate, and the first hole will be engaged in the first hook. After installation, the decorative cover plate is fixed to the outer periphery of the duct plate via the first locking hole on its outer circumference. The circumference surrounds the outer periphery of the duct plate, thus limiting the decorative cover plate's movement along its edges and preventing deformation towards the center. This serves as one of the factors restricting the deformation of the decorative cover plate. The distance between the supporting surface and the bottom of the pin hole is greater than the distance between the top of the pin and the top plate but less than the distance between the bottom of the pin and the top plate. Therefore, upon installation, the supporting surface is located below the top plate and abuts against it, preventing the pin from disengaging from the pin hole. This further helps prevent the decorative cover plate from detaching from the duct plate. Furthermore, the contact between the supporting surface and the top plate provides a second layer of tension to the decorative cover plate, and the supporting surface will inevitably protrude from the bottom surface of the decorative cover plate. The first factor restricting the deformation of the decorative cover plate is the use of reinforcing ribs to enhance its resistance to deformation. The second factor is the arrangement of several sets of auxiliary connecting components, including second hooks and second holes, evenly distributed on the bottom surface of the decorative cover plate and the front surface of the duct plate. This creates several connection points on the front surfaces of the duct plate and the decorative cover plate to fix and position the cover plate, thus forming several nodes on the cover plate to restrict its position. This is the third factor restricting the deformation of the decorative cover plate. Therefore, this solution allows decorative cover plates larger than 500mm made of PP material to be stably installed on the duct plate without easily deforming. Attached Figure Description

[0018] The present invention will be further explained below with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of one of the preferred embodiments of the present invention;

[0020] Figure 2 This is a second schematic diagram of a preferred embodiment of the present invention;

[0021] Figure 3 This is one of the exploded views of a preferred embodiment of the present invention;

[0022] Figure 4 This is the second exploded view of a preferred embodiment of the present invention. Detailed Implementation

[0023] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0024] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0025] In the description of this utility model, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. If "first" or "second" is used in the description, it is only for the purpose of distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0026] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0027] Reference Figures 1 to 4 An installation structure for a refrigerator air duct plate and decorative cover plate, comprising:

[0028] The air duct plate 10 has an air duct 11. Several protruding first hooks 12 are arranged on the left and right sides and the top edge of the air duct plate 10. A supporting beam 13 extending towards the front end of the air duct plate 10 is horizontally arranged at the lower part of the front side of the air duct plate 10. Several pins 131 extending towards the top of the air duct plate 10 are arranged on the supporting beam 13. A top plate 15 extending towards the front end of the air duct plate 10 is horizontally arranged at the middle part of the front side of the air duct plate 10.

[0029] Decorative cover plate 20, the bottom surface of which is provided with a rearwardly extending mating beam 21, the mating beam 21 is provided with a pin hole 211 for the pin 131 to be inserted therein, the left and right sides and the top of the bottom surface of the decorative cover plate 20 are provided with a ring edge 22 for wrapping around the outer periphery of the air duct plate 10, the ring edge 22 is provided with a first locking hole 23 for the first hook 12 to be engaged therein, the middle of the bottom surface of the decorative cover plate 20 is provided with a support surface 24 facing the top of the decorative cover plate 20, the distance between the support surface 24 and the bottom of the pin hole 211 is greater than the distance between the top of the pin 131 and the top plate 15 and less than the distance between the bottom of the pin 131 and the top plate 15. When the decorative cover plate 20 is installed on the air duct plate 10, the support surface 24 is used to abut against the top plate 15 and restrict the pin 131 from disengaging from the pin hole 211;

[0030] Several sets of auxiliary connection components, the auxiliary connection components including second hooks 14 and second holes 25, all the second hooks 14 and second holes 25 are evenly arranged on the bottom surface of the decorative cover plate 20 and the front surface of the air duct plate 10.

[0031] During installation, the decorative cover plate 20 is first tilted and inserted into the front of the air duct plate 10, so that the pin hole 211 on the bottom surface of the decorative cover plate 20 and the pin 131 on the front bearing beam 13 of the air duct plate 10 are inserted. At this time, the top plate 15 and the supporting surface 24 are still in a detached state. Then, the top surface of the decorative cover plate 20 is pressed and closed relative to the front of the air duct plate 10, so that the supporting surface 24 squeezes the top plate 15 to a certain extent and then locks it under the top plate 15. During this closing process, the second hook 14 and the second hole 25 arranged on the bottom surface of the decorative cover plate 20 and the front surface of the air duct plate 10 will lock together. The outer edge 22 of the decorative cover plate 20 will be wrapped around the top and side of the air duct plate 10, and the first hole 23 will be locked into the first hook 12. After installation, the decorative cover 20 is fixed to the outer periphery of the air duct plate 10 through the first locking hole 23 on its outer periphery. The circumferential edge 22 surrounds the outer periphery of the air duct plate 10, thereby pulling and limiting the decorative cover 20 in the edge direction to prevent it from deforming towards the center. This is one of the factors that limit the deformation of the decorative cover 20. The distance between the support surface 24 and the bottom of the pin hole 211 is greater than the distance between the top of the pin 131 and the top plate 15 but less than the distance between the bottom of the pin 131 and the top plate 15. Therefore, when the installation is completed, the support surface 24 is located below the top plate 15 and abuts against the top plate 15 to limit the pin 131 from disengaging from the pin hole 211, thus helping to prevent the decorative cover 20 from detaching from the air duct plate 10. Moreover, the abutment effect between the support surface 24 and the top plate 15 can also provide a second layer of tension for the decorative cover 20, and the support surface 24 will inevitably... The decorative cover plate 20 protrudes from the bottom surface and acts as a reinforcing rib to enhance its resistance to deformation, thus forming the second factor limiting its deformation. Simultaneously, several sets of auxiliary connecting components are arranged, including second hooks 14 and second holes 25. All second hooks 14 and second holes 25 are evenly distributed on the bottom surface of the decorative cover plate 20 and the front surface of the air duct plate 10, forming several connection points on the front surfaces of the air duct plate 10 and the decorative cover plate 20 to fix and position the decorative cover plate 20. This creates several nodes on the decorative cover plate 20 to restrict its position, forming the third factor limiting its deformation. Therefore, this solution allows decorative cover plates 20 with dimensions greater than 500mm and made of PP material to be stably installed on the air duct plate 10 without easily deforming.

[0032] Further optimization is preferred, with a first reinforcing rib 16 in an arc shape located above the top plate 15 on the front of the air duct plate 10, and a second reinforcing rib 26 in an arc shape on the bottom surface of the decorative cover plate 20. The second reinforcing rib 26 is connected to the support surface 24 and extends to the bottom of the support surface 24 at both ends. When the decorative cover plate 20 is installed on the air duct plate 10, the second reinforcing rib 26 is used to abut against the inner side of the first reinforcing rib 16. The second reinforcing rib 26 and the first reinforcing rib 16 serve two purposes: firstly, to further strengthen the decorative cover plate 20 and the air duct plate 10; secondly, through the abutment action of the second reinforcing rib 26 and the first reinforcing rib 16, to further prevent the decorative cover plate 20 from falling off and to stretch the decorative cover plate 20, thus avoiding deformation of the decorative cover plate 20.

[0033] Further optimization is achieved by preferably positioning the air duct 11 on the front of the air duct plate 10. The top plate 15, the supporting beam 13, and the first reinforcing rib plate 16 are all positioned within the air duct 11. The second hook 14 or second hole 25, positioned on the air duct plate 10, is also located within the air duct 11. When the decorative cover plate 20 is installed on the front of the air duct plate 10, it covers the portion of the air duct 11 above the supporting beam 13. Of course, the air duct 11 can also be positioned at any location on the air duct plate 10; this design is primarily based on a specific user requirement.

[0034] To further prevent the decorative cover plate 20 from falling off the air duct plate 10, it is preferable to provide a connecting hole 17 through the cavity in the middle of the back of the air duct plate 10, and a bolt hole 27 in the middle of the back plate of the air duct plate 10. A locking bolt is provided on the back of the air duct plate 10, passing through the connecting hole 17 and screwed into the bolt hole 27, so that single-point fixation is achieved by the locking bolt, which only serves as an anchor point. Preferably, the connecting hole 17 is located between the first reinforcing rib plate 16 and the top plate 15.

[0035] In this solution, preferably, a support plate extending toward the bottom surface of the decorative cover plate 20 is provided at the center of the bottom surface of the decorative cover plate 20, and the upper surface of the support plate forms the support surface 24. Of course, the support surface 24 can also be a stepped structure arranged on the bottom surface of the decorative cover plate 20 or other embodiments.

[0036] In this design, the bottom surface of the decorative cover plate 20 is preferably provided with several protruding extension platforms 251, the second card holes 25 are arranged on the extension platforms 251, and the second card hooks 14 are fixed to the front of the air duct plate 10. In this way, the extension platforms 251 can form a reinforcing rib structure on the bottom surface of the decorative cover plate 20, further enhancing the deformation resistance of the decorative cover plate 20.

[0037] In this design, it is preferable that the distance between the extension platform 251 and the edge of the decorative cover plate 20 is between 50-200mm. This allows the second hook 14 and the second hole 25 to work together to form several nodes on the decorative cover plate 20 that are arranged relatively evenly and not too densely.

[0038] Further optimization is preferred, with the second hook 14 arranged on the air duct plate 10 as two sets located above and below the top plate 15, with the two sets of second hook 14 facing opposite directions. In this way, the two sets of second hook 14 engage with the two sets of second locking holes 25 arranged on the decorative cover plate 20 in opposite directions, thereby better pulling the decorative cover plate 20 and preventing deformation of the decorative cover plate 20.

[0039] Further optimization is preferred, with elastic connecting rods 28 extending backward on the circumferential edges 22 on both sides of the decorative cover plate 20. A third hook 29 is provided on the inner side of the end of the elastic connecting rod 28. The third hook 29 passes through the edge of the air duct plate 10 and engages with the back of the air duct plate 10, thereby further strengthening the connection strength between the decorative cover plate 20 and the air duct plate 10. Preferably, a notch 18 for the third hook 29 to pass through is provided on each of the left and right sides of the air duct plate 10 along the height direction.

[0040] The above are merely preferred embodiments of this utility model and do not limit the patent scope of this utility model. Any equivalent structural transformations made based on the inventive concept of this utility model and the contents of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are included within the patent protection scope of this utility model.

Claims

1. An installation structure for a refrigerator air duct plate and decorative cover plate, characterized in that, include: A duct plate (10) is provided with a duct (11). Several protruding first hooks (12) are arranged on the left and right sides and the top edge of the duct plate (10). A supporting beam (13) extending towards the front end of the duct plate (10) is horizontally arranged at the lower part of the front side of the duct plate (10). Several pins (131) extending towards the top of the duct plate (10) are arranged on the supporting beam (13). A top plate (15) extending towards the front end of the duct plate (10) is horizontally arranged in the middle part of the front side of the duct plate (10). A decorative cover plate (20) is provided with a rearwardly extending mating beam (21) on its bottom surface. The mating beam (21) is provided with a pin hole (211) for inserting the pin (131). The left and right sides and the top of the bottom surface of the decorative cover plate (20) are provided with a ring edge (22) for surrounding the outer periphery of the air duct plate (10). The ring edge (22) is provided with a first locking hole (23) for engaging the first hook (12). 20) A support surface (24) facing the top of the decorative cover plate (20) is provided in the middle of the bottom surface. The distance between the support surface (24) and the bottom of the pin hole (211) is greater than the distance between the top of the pin (131) and the top plate (15) and less than the distance between the bottom of the pin (131) and the top plate (15). When the decorative cover plate (20) is installed on the air duct plate (10), the support surface (24) is used to abut against the top plate (15) and restrict the pin (131) from disengaging from the pin hole (211). Several sets of auxiliary connection components, the auxiliary connection components including second hooks (14) and second holes (25), all second hooks (14) and second holes (25) are evenly arranged on the bottom surface of the decorative cover plate (20) and the front surface of the air duct plate (10).

2. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 1, characterized in that: The front of the air duct plate (10) is provided with a first reinforcing rib plate (16) that is located above the top plate (15) and is arc-shaped. The bottom surface of the decorative cover plate (20) is provided with an arc-shaped second reinforcing rib plate (26). The second reinforcing rib plate (26) is connected to the support surface (24) and extends to the bottom of the support surface (24) at both ends. When the decorative cover plate (20) is installed on the air duct plate (10), the second reinforcing rib plate (26) is used to abut against the inner side of the first reinforcing rib plate (16).

3. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 2, characterized in that: The air duct (11) is arranged on the front of the air duct plate (10). The top plate (15), the supporting beam (13), and the first reinforcing rib plate (16) are all arranged in the air duct (11). The second hook (14) or the second hole (25) arranged on the air duct plate (10) is also set in the air duct (11). When the decorative cover plate (20) is installed on the front of the air duct plate (10), it covers part of the air duct (11) located above the supporting beam (13).

4. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 1, characterized in that: The back of the air duct plate (10) is provided with a connecting hole (17) that extends into the cavity, and the back of the air duct plate (10) is provided with a bolt hole (27) in the middle. The back of the air duct plate (10) is provided with a locking bolt that passes through the connecting hole (17) and is screwed into the bolt hole (27).

5. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 1, characterized in that: A support plate extending toward the bottom surface of the decorative cover plate (20) is provided at the center of the bottom surface of the decorative cover plate (20), and the upper surface of the support plate forms the support surface (24).

6. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 1, characterized in that: The bottom surface of the decorative cover plate (20) is provided with several protruding extension platforms (251), the second card hole (25) is arranged on the extension platform (251), and the second card hook (14) is fixed to the front of the air duct plate (10).

7. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 6, characterized in that: The distance between the edge of the extension platform (251) and the decorative cover plate (20) is between 50-200mm.

8. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 7, characterized in that: The second hooks (14) are arranged on the air duct plate (10) in two sets, one above and one below the top plate (15), with the two sets of second hooks (14) facing opposite directions.

9. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 1, characterized in that: On the left and right sides of the decorative cover plate (20), there are elastic connecting rods (28) extending backward. A third hook (29) is provided on the inner side of the end of the elastic connecting rod (28). The third hook (29) passes through the edge of the air duct plate (10) and is engaged with the back of the air duct plate (10).

10. The installation structure of a refrigerator air duct plate and decorative cover plate as described in claim 9, characterized in that: The air duct plate (10) has notches (18) on both the left and right sides along the height direction for the third hook (29) to pass through.

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