Ventilation structure and refrigerator

Abstract

The utility model belongs to the technical field of refrigerators, and particularly relates to a ventilation structure and a refrigerator. The ventilation structure comprises a sealing cover plate set and a refrigerating box container with a containing cavity, an air supply groove is formed in the bottom of the containing cavity, the sealing cover plate set covers the air supply groove, the sealing cover plate set and the refrigerating box container jointly form an air supply channel, the air supply channel is provided with an air inlet hole and a first air outlet hole opposite to the air inlet hole, and the sealing cover plate set is provided with a first buckling part; the two first buckling parts are arranged, the air supply channel is located between the two first buckling parts, second buckling parts are arranged at the positions, corresponding to the first buckling parts, of the cavity bottom of the containing cavity, and the first buckling parts are connected with the second buckling parts in a buckled mode respectively. According to the utility model, through the buckling connection of the first buckling part and the second buckling part, cold air conveying by using air duct foam is avoided, the material cost is reduced, and the assembly efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to refrigerator technical field especially relates to a ventilation structure and refrigerator. BACKGROUND

[0002] At present, the existing refrigerator realizes the delivery of cold energy through the air supply duct between the refrigeration chamber and the condenser chamber at the rear of the freezer chamber, thereby refrigerating the refrigeration chamber. Through a reasonable air circulation system, the temperature distribution inside the refrigerator is ensured to be uniform and the refrigeration efficiency is improved.

[0003] However, in the ordinary narrow refrigeration air duct system, an air duct foam must be arranged on the narrow refrigeration air duct. The air duct foam can transmit the cold air of the freezer chamber to the refrigeration chamber air supply. However, the arrangement of the air duct foam not only increases the additional air duct material, but also requires an assembly step of the air duct foam, thereby reducing the production efficiency. SUMMARY

[0004] The purpose of the embodiments of the present application is to provide a ventilation structure, which aims to solve the problem of how to reduce the cost and improve the assembly efficiency.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the present application is:

[0006] In a first aspect, a ventilation structure is provided, which comprises: a cover plate set and a refrigeration box barrel having a containing cavity, the cavity bottom of the containing cavity is provided with an air supply slot, the cover plate set covers the air supply slot, and the cover plate set and the refrigeration box barrel jointly form an air supply duct, the air supply duct has an air inlet and a first air outlet opposite to the air inlet, wherein the cover plate set is provided with a first buckle part, the first buckle part is arranged in two, the air supply duct is located between the two first buckle parts, the cavity bottom of the containing cavity is provided with a second buckle part corresponding to the position of each first buckle part, and each first buckle part is buckled to each second buckle part.

[0007] In some embodiments, the first buckle part comprises an elastic arm connected to the cover plate set and a buckle head arranged on the elastic arm, and the second buckle part is a buckle groove arranged on the cavity bottom of the containing cavity, and the buckle head is buckled to the buckle groove.

[0008] In some embodiments, the cavity bottom of the containing cavity is provided with a positioning groove, and the buckle groove is arranged on the groove wall of the positioning groove.

[0009] In some embodiments, the cavity bottom of the containing cavity is raised towards the containing cavity and forms a raised part, the raised part is arranged along the extension path of the air supply duct, and both sides of the air supply duct are provided with the raised part, and the same plate surface of the cover plate set abuts against the two raised parts.

[0010] In some embodiments, the protrusion is provided with a second air outlet hole communicating with the air supply channel and the accommodating cavity.

[0011] In some embodiments, the ventilation structure further comprises two spaced apart air baffle plates and a side wall plate connected to the two air baffle plates at two ends, each of the air baffle plates extends into the air supply groove, and the side wall plate and each of the air baffle plates abut the hole edge of the air inlet hole and are connected to the cover plate set.

[0012] In some embodiments, the cover plate set comprises a cover plate and an inclined plate connected to the cover plate and arranged in an inclined manner away from the air supply groove, the first buckle part is connected to the cover plate, and the side wall plate and each of the air baffle plates are connected to the inclined plate.

[0013] In some embodiments, the ventilation structure further comprises an air duct, the refrigeration tank is provided with a positioning air hole communicating with the air inlet hole and an external space, the air duct is arranged at the positioning air hole, the air duct is provided with an air supply through hole corresponding to the position of the air inlet hole, and the ventilation structure further comprises an air baffle ring arranged in the air inlet hole and connected to the hole edge of the air supply through hole.

[0014] In some embodiments, the ventilation structure further comprises an air door movably arranged in the air duct and used for closing or opening the air supply through hole.

[0015] In a second aspect, a refrigerator is provided, which comprises the ventilation structure.

[0016] The application has the advantages that the air supply groove is arranged at the cavity bottom of the accommodating cavity, and the cover plate set can be quickly assembled to the refrigeration tank through the buckle cooperation of the first buckle part and the second buckle part, so that the assembly and production efficiency is improved. After the cover plate set is assembled to the refrigeration tank, the cover plate set covers the air supply groove, so that the cold air entering the air supply channel from the air inlet hole can only flow out to the accommodating cavity from the first air outlet hole, the cold air leakage from the two sides of the cover plate set is avoided, and the use of air duct foam for cold air transportation is also avoided, so that the material cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the application, the drawings needed to be used in the embodiments or exemplary technical descriptions will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0018] Figure 1 is a perspective structural schematic view of the ventilation structure provided by the embodiments of the application.

[0019] Figure 2 is a perspective view of a refrigeration box body with the ventilation structure of Figure 1 ;

[0020] Figure 3 is a perspective view of a cover plate set with the ventilation structure of Figure 1 ;

[0021] Figure 4 is a sectional view along the direction of cold air flow of the ventilation structure of Figure 1 ;

[0022] Figure 5 is an enlarged view of part A of Figure 4 ;

[0023] In the drawings, reference numerals:

[0024] 100, ventilation structure; 101, positioning ventilation hole; 10, refrigeration box body; 11, accommodating cavity; 20, cover plate set; 121, first air outlet hole; 122, second air outlet hole; 12, air supply groove; 13, positioning groove; 131, buckling groove; 123, air inlet hole; 21, cover plate; 22, inclined plate; 23, first buckling part; 231, buckling head; 232, elastic arm; 24, air baffle; 25, side wall; 14, air supply channel; 30, air guide cylinder; 31, air supply through hole; 32, air baffle ring; 15, air baffle side wall; 16, raised part; DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and not to limit the present application.

[0026] It should be noted that when a component is referred to as "fixed to" or "disposed on" another component, it can be directly on the other component or indirectly on the other component. When a component is referred to as "connected to" another component, it can be directly or indirectly connected to the other component. The terms "upper", "lower", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of description, and do not indicate or imply that the device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. For those skilled in the art, the specific meaning of the above terms can be understood according to the specific circumstances. The terms "first", "second" are only for the purpose of convenience of description, and cannot be understood as indicating or implying relative importance or implying the number of technical features. The meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0027] Please refer toFigures 1 to 3 The application provides a refrigeration structure and a refrigerator having the same. The refrigeration structure can deliver cold air in a freezing chamber to a refrigerating chamber.

[0028] Referring to Figures 2 to 4 The ventilation structure 100 comprises a cover plate set 20 and a refrigerating tank 10 having a containing cavity 11. The refrigerating tank 10 is arranged in the refrigerating chamber. The containing cavity 11 can contain refrigerated articles such as vegetables and fruits. The containing cavity 11 has an opening for the articles to enter or exit the containing cavity 11. The bottom of the containing cavity 11 is arranged opposite to the opening. The bottom of the containing cavity 11 is provided with a ventilation groove 12. In this embodiment, the extension direction of the ventilation groove 12 is arranged along the vertical direction during use. In other embodiments, the extension direction of the ventilation groove 12 can be arranged along other directions, which is not limited here and can be selected according to actual conditions.

[0029] Referring to Figures 2 to 4 The cover plate set 20 covers the ventilation groove 12. The cover plate set 20 and the refrigerating tank 10 jointly form a ventilation channel 14. The ventilation channel 14 has an air inlet hole 123 and a first air outlet hole 121 arranged opposite to the air inlet hole 123. It can be understood that the cold air flows into the ventilation channel 14 from the air inlet hole 123 and flows out of the ventilation channel 14 from the air outlet hole. During use, the air inlet hole 123 is located below the air outlet hole. The cold air is delivered from bottom to top. The cover plate set 20 is provided with a first buckling part 23. Two first buckling parts 23 are arranged. The ventilation channel 14 is located between the two first buckling parts 23. The bottom of the containing cavity 11 is provided with a second buckling part corresponding to the position of each first buckling part 23. Each first buckling part 23 buckles each second buckling part, so that the cover plate set 20 is detachably connected to the refrigerating tank 10.

[0030] Referring to Figures 2 to 4 The ventilation structure provided by the application can quickly assemble the cover plate set 20 to the refrigerating tank 10 through the ventilation groove 12 formed on the bottom of the containing cavity 11 and the buckling cooperation of the first buckling part 23 and the second buckling part, thereby improving the assembly and production efficiency. After the cover plate set 20 is assembled with the refrigerating tank 10, the cover plate set 20 covers the ventilation groove 12. The cold air entering the ventilation channel 14 from the air inlet hole 123 flows out of the first air outlet hole 121 to the containing cavity 11, thereby avoiding the use of a ventilation channel foam to deliver the cold air and reducing the material cost.

[0031] Referring to Figures 2 to 4 Optionally, the material of the refrigerating tank can be plastic. The refrigerating tank can be integrally formed by an injection molding process. The ventilation groove 12 is formed on the bottom of the containing cavity 11 at the same time.

[0032] Optionally, the material of the cover plate set 20 can also be plastic, so that the cover plate set 20 can be integrally formed by an injection molding process.

[0033] Please refer to Figures 2 to 4 In some embodiments, the first buckle part 23 includes an elastic arm 232 connected to the cover plate set 20 and a buckle head 231 provided on the elastic arm 232, and the second buckle part is a buckle groove 131 provided in the bottom of the accommodating cavity 11, and the buckle head 231 is buckled in the buckle groove 131.

[0034] Optionally, the elastic arm 232 can be elastically deformed to a certain extent, so that the buckle head 231 can be clamped into the position of the buckle groove 131. After the buckle head 231 is clamped in place, the elastic arm 232 restores the elastic deformation, thereby driving the buckle head 231 to buckle the groove wall of the buckle groove 131. It can be understood that the buckle head 231 can be separated from the buckle groove 131 by a reverse force, so that the cover plate set 20 can be detached from the cold storage air bellow.

[0035] Optionally, a plurality of first buckle parts 23 are arranged on any side of the air supply groove 12, and each first buckle part 23 is arranged in the extension direction of the air supply groove 12. The plurality of first buckle parts 23 are respectively buckled with the plurality of second buckle parts, thereby improving the reliability of the connection between the cover plate set 20 and the cold storage box bellow 10.

[0036] It can also be understood that the buckle groove 131 can be provided on the cover plate set 20, and the first buckle part 23 can be provided on the bottom of the accommodating cavity 11. Here, it is not limited, and can be selected according to the actual situation.

[0037] Please refer to Figures 2 to 4 In some embodiments, the bottom of the accommodating cavity 11 is provided with a positioning groove 13, and the buckle groove 131 is provided in the groove wall of the positioning groove 13.

[0038] Optionally, by providing the positioning groove 13, the first buckle part 23 can be accurately clamped into the buckle groove 131, the assembly precision of the cover plate set 20 and the cold storage box bellow 10 can be improved, and the cover plate set 20 can be prevented from being displaced or loosened.

[0039] Please refer to Figures 2 to 4 The extension direction of the positioning groove 13 is the same as the extension direction of the air supply groove 12, and the bottom of the accommodating cavity 11 is provided with two positioning grooves 13, and the air supply groove 12 is located between the two positioning grooves 13. The two positioning grooves 13 correspond to the first buckle parts 23 on both sides of the cover plate set 20, that is, each first buckle part 23 located on one side of the cover plate set 20 can be inserted into one of the positioning grooves 13, and each first buckle part 23 located on the other side of the cover plate set 20 can be inserted into the other positioning groove 13.

[0040] Please refer to Figures 2 to 4In some embodiments, the cavity bottom of the accommodating cavity 11 is raised towards the accommodating cavity 11 and forms a raised portion 16, the raised portion 16 is arranged along the extension path of the air supply channel 14, and the air supply channel 14 is provided with the raised portion 16 on both sides, and the same panel of the cover plate group 20 abuts against the two raised portions 16.

[0041] Optionally, the surface of the raised portion 16 abutting against the cover plate group 20 is a plane, and along the width direction of the air supply groove 12, the surface of the raised portion 16 abutting against the cover plate group 20 has a certain width, which can be equal to the width of the air supply groove 12, or slightly smaller than the width of the air supply groove 12, so that the raised portion 16 and the cover plate group 20 have sufficient abutting area, and the plane contacts with the plane, which can avoid the cold air from leaking out of the two sides of the cover plate group 20, and improve the delivery efficiency of the cold air.

[0042] Please refer to Figures 2 to 4 It can be understood that the raised portion 16 simultaneously plays a role of supporting the cover plate group 20, and each first buckle portion 23 pulls the cover plate group 20 towards the raised portion 16, so that the abutting between the cover plate group 20 and the raised portion 16 is more closely, which improves the sealing effect and also avoids structural loosening or deformation caused by long-term use.

[0043] Optionally, the extension path of the raised portion 16 can be a curve, which not only can adapt to the air supply channel 14 with different extension paths, but also can improve the contact area with the cover plate group 20, and avoid air volume loss.

[0044] Please refer to Figures 4 to 5 In some embodiments, the raised portion 16 is provided with a second air outlet hole 122 which communicates the air supply channel 14 and the accommodating cavity 11.

[0045] Optionally, each raised portion 16 is provided with at least one second air outlet hole 122, the first air outlet hole 121 is located between the two raised portions 16, and the second air outlet hole 122 is located on one side of the air supply channel 14, so that through the first air outlet hole 121 and the plurality of second air outlet holes 122, the cold air in the air supply channel 14 can flow out from multiple positions, which is beneficial to the uniformity of the temperature in the accommodating cavity 11, can balance the distribution of the cold air, and improve the refrigeration effect in the refrigeration box 10.

[0046] Please refer to Figures 4 to 5 In some embodiments, the ventilation structure 100 further comprises two spaced apart air baffle plates 24 and a side wall plate 25 connected to the two air baffle plates 24 at both ends, each air baffle plate 24 extends into the air supply groove 12, and the side wall plate 25 and each air baffle plate 24 abut against the hole edge of the air inlet hole 123 and are connected to the cover plate group 20.

[0047] Optionally, the two wind baffles 24 and the side wall 25 are arranged in sequence along the circumference of the air inlet hole 123, and the wind baffles 24 extend into the air supply groove 12, so that the leakage of cold air can be avoided, and the cold air can flow from the air inlet hole 123 to the air outlet hole, thereby improving the air supply efficiency.

[0048] Referring to Figures 3 to 5 Optionally, the side wall 25 and the wind baffles 24 abut the hole edge of the air inlet hole 123, so that the loss of air volume is further prevented, and the leakage of cold air is avoided. In some embodiments, the cover plate set 20 includes the cover plate 21, the inclined plate 22 connected to the cover plate 21 and arranged in an inclined manner away from the air supply groove 12, and the first buckle 23 connected to the cover plate 21, and the side wall 25 and the wind baffles 24 are connected to the inclined plate 22.

[0049] Referring to Figure 5 Optionally, the cover plate 21 and the inclined plate 22 form a certain angle, so that the cross-sectional area of the air supply channel 14 gradually increases at a position close to the air inlet hole 123, which is beneficial to the entry of external cold air into the air supply channel 14, and the cross-sectional area of the air supply channel 14 gradually decreases at a position away from the air inlet hole 123, which is beneficial to the increase of the air speed of the cold air, so that the cold air flowing out of the first air outlet hole 121 and the second air outlet hole 122 can flow to any position of the accommodation cavity 11, and the uniformity and uniformity of the temperature in the accommodation cavity 11 are improved.

[0050] Optionally, the ventilation structure 100 further includes the wind-blocking side wall 15 protruding from the air supply hole edge, and the two protruding portions 16 extend and connect the two ends of the wind-blocking side wall 15, and one end of the two wind baffles 24 and the side wall 25 are sleeved with the wind-blocking side wall 15, so that the loss of air volume at this position is avoided.

[0051] Referring to Figures 3 to 5 In some embodiments, the ventilation structure 100 further includes the air guide cylinder 30, the refrigeration box body 10 is provided with the positioning air inlet hole 101 communicating with the air inlet hole 123 and the external space, the air guide cylinder 30 is arranged at the positioning air inlet hole 101, the air guide cylinder 30 is provided with the air supply through hole 31 corresponding to the position of the air inlet hole 123, and the ventilation structure 100 further includes the wind-blocking ring 32 arranged in the air inlet hole 123 and connected to the hole edge of the air supply through hole 31.

[0052] Optionally, the shape of the wind-blocking ring 32 is matched with the shape of the air inlet hole 123, and the wind-blocking ring 32 overlaps with the hole wall of the air inlet hole 123, so that the cold air can directly enter the air supply channel 14, and the loss of air volume or the leakage of cold air at the air inlet hole 123 is avoided.

[0053] Referring to ​ In some embodiments, the ventilation structure 100 further includes the air door arranged in the air guide cylinder 30 and used for closing or opening the air supply through hole 31.

[0054] Optionally, the air door is movably arranged at the air supply hole 31, for example, the air door is rotatably arranged at the air supply hole 31, when air supply is needed, the air door is driven to rotate by a motor to open the air supply hole 31, when air supply is not needed, the air door is driven to close the air supply hole 31 by the motor, the rotation angle of the air door is controlled by the motor, so as to adjust the opening degree of the air supply hole 31, and the flow of cold air flowing into the air supply duct 14 is controlled.

[0055] It can also be understood that the air door can also be slidably arranged in the air duct 30, and the air door is linearly driven to slide by a motor, and the air door can also be used to open or close the air supply hole 31, which will not be described here.

[0056] The utility model also proposes a kind of refrigerator, the refrigerator includes ventilation structure 100, the specific structure of the ventilation structure 100 refers to above-mentioned embodiment, since the refrigerator has adopted all technical solutions of above-mentioned embodiment, thus also have all beneficial effects brought by the technical solutions of above-mentioned embodiment, which will not be described one by one here.

[0057] In some embodiments, the refrigerator further includes a refrigerating chamber and a freezing chamber connected to the refrigerating chamber, the refrigerating tank 10 is located in the refrigerating chamber, and the air inlet hole 123 is communicated with the freezing chamber.

[0058] The above is only optional embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the present application shall be included in the scope of claims of the present application.

Claims

1. A vent structure, characterized by, include: The refrigerator includes a cover plate assembly and a refrigerator liner with a receiving cavity. The bottom of the receiving cavity has an air supply groove. The cover plate assembly covers the air supply groove and together with the refrigerator liner forms an air supply duct. The air supply duct has an air inlet and a first air outlet opposite to the air inlet. The cover plate assembly has a first fastening part, and two first fastening parts are arranged. The air supply duct is located between the two first fastening parts. The bottom of the receiving cavity has a second fastening part corresponding to the position of each first fastening part. Each first fastening part is fastened to each second fastening part.

2. The vent structure of claim 1, wherein: The first fastening part includes a spring arm connecting the cover plate assembly and a fastening head disposed on the spring arm. The second fastening part is a fastening groove formed at the bottom of the accommodating cavity, and the fastening head is fastened to the fastening groove.

3. A vent structure according to claim 2, wherein: The cavity has a positioning groove at its bottom, and the buckle groove is formed on the wall of the positioning groove.

4. The vent structure of claim 1, wherein: The bottom of the accommodating cavity bulges towards the inside of the accommodating cavity to form a raised portion. The raised portion is arranged along the extension path of the air supply duct, and the raised portion is provided on both sides of the air supply duct. The same plate surface of the cover plate assembly abuts against the two raised portions.

5. A vent structure according to claim 4, wherein: The raised portion has a second air outlet that connects the air supply duct and the accommodating cavity.

6. A vent structure according to any one of claims 1 to 5, wherein: The ventilation structure also includes two spaced-apart wind deflectors and side panels that are connected to the two wind deflectors at both ends. Each wind deflector extends into the air supply channel, and the side panels and each wind deflector abut against the edge of the air inlet hole and are connected to the cover plate assembly.

7. A vent structure according to claim 6, wherein: The cover plate assembly includes a cover plate and an inclined plate connected to the cover plate and arranged at an angle away from the air supply duct. The first fastener is connected to the cover plate, and the side panel and each of the wind baffles are connected to the inclined plate.

8. A vent structure according to any one of claims 1 to 5, wherein: The ventilation structure also includes an air guide duct. The refrigerator liner has a positioning ventilation hole that connects the air inlet and the external space. The air guide duct is located at the positioning ventilation hole. The air guide duct has an air supply passage corresponding to the position of the air inlet. The ventilation structure also includes a wind baffle ring that is located inside the air inlet and connected to the edge of the opening of the air supply passage.

9. A vent structure according to claim 8, wherein: The ventilation structure also includes a damper, which is movably disposed within the air guide duct and is used to close or open the air supply vent.

10. A refrigerator characterized by comprising: Includes the ventilation structure as described in any one of claims 1-9.

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