Refrigerator drawer assembly and refrigerator

Abstract

The invention discloses a refrigerator drawer assembly and a refrigerator, belongs to the field of refrigerators and is used for the refrigerator, a drawer of the refrigerator and a step structure formed by the top edge of the drawer, the drawer is connected with a roller supporting plate through a plurality of rollers, and the roller supporting plate is connected with a monitoring assembly; the bottom end of the monitoring assembly is fixed on the assembly bottom plate and the mounting and fixing side plate; the monitoring assembly comprises a pressing rod and a pressing cylinder. The pressing rod is located in the pressing cylinder and slides relative to the pressing cylinder. A supporting spring is arranged at the bottom end of the pressing cylinder, the top end of the supporting spring makes contact with the bottom end of the pressing rod, a plurality of paired contacts are arranged on the circumferential side wall of the pressing cylinder, and a conduction ring is arranged at the position, close to the bottom end, of the pressing rod. And different paired contacts distributed in the length direction of the pressing cylinder are in contact with the conducting ring to form different conducting loops. According to the refrigerator, cold air circulation in the refrigerator drawer can be achieved, monitoring and reminding of overweight of the refrigerator drawer are achieved, and damage to the drawer assembly is avoided.

Description

Technical Field

[0001] The present application belongs to the field of refrigerators, and more specifically, particularly relates to a refrigerator drawer assembly and a refrigerator. Background Art

[0002] Refrigerators are common household appliances. As consumers' quality of life continues to improve, the demand for fresh-keeping effects continues to increase. Referring to the patent document with Chinese Patent Publication No. CN118687320A, a drawer sealing device and a refrigerator are disclosed, and the following technical scheme is specifically disclosed: the fresh-keeping zone, a fruit and vegetable box cover and a sealing assembly are included, the fresh-keeping zone is used to be pulled and slidably connected in the refrigeration tank of the refrigerator, the fruit and vegetable box cover is used to be laterally fixed in the refrigeration tank and arranged above the fresh-keeping zone, the sealing assembly is arranged between the fresh-keeping zone and the fruit and vegetable box cover, the sealing assembly is hung and connected to the bottom of the fruit and vegetable box cover, and is used to seal the opening end surface of the fresh-keeping zone, wherein a refrigeration wind control mechanism for sealing or releasing the seal with the storage space in the fresh-keeping zone is provided on the sealing assembly. By hanging the sealing component under the fruit and vegetable box cover and sealing the open end surface of the fresh-keeping area, when the sealing component and the fruit and vegetable box cover are used in conjunction with the fresh-keeping area, the sealed storage space formed can ensure that the temperature and humidity fluctuations of the food storage are smaller, and the taste and flavor of the food can be preserved to the maximum extent.

[0003] However, the applicant believes that in order to ensure the fluctuation of temperature and humidity of food storage, in addition to maintaining the stability of the temperature control elements inside the refrigerator, it is also necessary to improve the fluidity of the air inside the refrigerator drawer assembly and provide a practical and reliable solution for this purpose.

[0004] Secondly, the stability of the refrigerator drawer is also one of the technical problems that need to be solved. See the refrigerator drawer and refrigerator disclosed in Chinese Patent Publication No. CN118757985A, and specifically disclose the following technical solutions: the refrigerator drawer includes a drawer and a guide rail, the drawer is connected to the guide rail, and the refrigerator drawer also includes a support portion, which can produce relative movement with the guide rail; the support portion is provided with a mounting through hole along its first direction; and a connecting structure, including an abutment portion, an elastic component and a connecting portion, one end of the connecting portion is connected to the refrigerator, the other end of the connecting portion is connected to the mounting through hole, the elastic component is respectively connected to the connecting portion and the abutment portion, and part of the structure of the abutment portion passes through the mounting through hole and abuts against the guide rail; the elastic component can be elastically deformed. It uses the support portion to support the guide rail and the drawer to prevent the guide rail and the drawer from collapsing. The support portion is installed to the box body through the connecting structure, and based on the elastic component to provide a rebound force, the abutment portion is squeezed so that the abutment portion abuts against the guide rail, thereby eliminating the gap between the abutment portion and the guide rail, effectively avoiding the shaking of the drawer when it moves, and improving the user experience.

[0005] However, the applicant believes that based on the above-mentioned prior art, there is still a better refrigerator drawer solution, which can not only achieve the limitation and stability of the drawer assembly, but also reduce the damage of the above-mentioned drawer assembly by the weight of the items stored in the drawer, thereby improving the stability and service life of the drawer assembly. Summary of the invention

[0006] The present application discloses a refrigerator drawer assembly and a refrigerator, which can realize the circulation of cold air in the refrigerator drawer and realize the monitoring and reminder of overweight of the refrigerator drawer to avoid damage to the drawer assembly.

[0007] To achieve the above technical objectives, this application is implemented through the following technical solutions:

[0008] A refrigerator drawer assembly described in the present application comprises a drawer, wherein the top of the drawer has an integrally arranged drawer top edge, a step structure is formed between the drawer and the drawer top edge, a plurality of rollers are arranged on the side of the drawer, the rollers slide relative to and are supported by a roller support plate on the side wall of the refrigerator, a plurality of monitoring assemblies are arranged at the bottom end of the roller support plate, and the monitoring assemblies are evenly distributed along the length direction of the roller support plate; the bottom end of the monitoring assembly is fixed to the assembly bottom plate, the assembly bottom plate and the roller support plate are both fixedly connected to the mounting and fixing side plate, and the mounting and fixing side plate is fixed to the side wall of the refrigerator by fasteners; the monitoring assembly comprises a pressure rod and a pressure cylinder, the pressure rod is located in the pressure cylinder and slides relative to the pressure cylinder; a support spring is arranged at the bottom end of the pressure cylinder, the top end of the support spring contacts with the bottom end of the pressure rod, a plurality of contacts arranged in pairs are arranged on the circumferential side wall of the pressure cylinder, the pressure rod is provided with a conducting ring at a position close to the bottom end, and different contacts arranged in pairs distributed in the length direction of the pressure cylinder contact with the conducting ring to form different conducting circuits.

[0009] As one of the preferred technical solutions, in the present application, the drawer is integrally provided with a sliding limit plate at the side wall below the roller, and the sliding limit plate is in contact with a plurality of limit guide pulleys on the component bottom plate, and the component bottom plate and the limit guide pulleys constitute a limit for the sliding limit plate.

[0010] As one of the preferred technical solutions, in the present application, a plurality of drawer plug-in slots are distributed at the step structure formed by the top edge of the drawer and the drawer, and the drawer plug-in slots are plugged with the cover plate connectors. A drawer card hole is symmetrically selected to be processed, and the drawer card hole is arranged corresponding to the cover plate buckle; the cover plate buckle and the cover plate connector are both located on the cover plate, and the cover plate is placed on the step structure and cooperates with the drawer to achieve the closure of the internal space of the drawer.

[0011] As one of the preferred technical solutions, in the present application, the cover plate is further provided with a plurality of through holes distributed in a matrix, and these through holes distributed in a matrix are distributed in the space formed by the cover plate fan compartment, and the cover plate fan compartment is connected with the space inside the drawer through the through holes distributed in a matrix; the cover plate fan compartment and the cover plate are integrated, a fan assembly is arranged in the cover plate fan compartment, a plurality of cover plate air inlet holes are distributed circumferentially of the cover plate fan compartment, an air inlet filter is arranged inside the cover plate air inlet, and a fan compartment filter is arranged at the through holes in the cover plate fan compartment that are connected with the drawer.

[0012] As one of the preferred technical solutions, in the present application, the fan assembly includes a fan box, which has a box air inlet connected to the internal space of the cover fan compartment, and a fan is arranged in the fan box. The fan delivers the air entering from the box air inlet into the drawer through the fan compartment filter element and the through holes distributed in a matrix.

[0013] As one of the preferred technical solutions, in the present application, an air inlet filter is arranged inside the cover plate air inlet, and the cover plate air inlet has a tube body extending to the outside and inside of the cover plate fan compartment, and the air inlet filter is located in the tube body extending from the cover plate air inlet to the outside and inside of the cover plate fan compartment.

[0014] As one of the preferred technical solutions, in the present application, a roller guard plate is provided at the roller position on the side of the drawer, the mounting fixed side plate and the mounting fixed bottom plate constitute an installation area of ​​a U-shaped structure, and a plurality of bottom plate limit blocks are distributed on the mounting fixed bottom plate, and the bottom plate limit blocks extend toward the direction of the drawer.

[0015] As one of the preferred technical solutions, in the present application, the drawer is provided with a plurality of drawer bottom holes at the bottom position of the front end, the drawer bottom holes are connected with the internal space of the drawer, and the drawer is processed with a plurality of drawer top holes in the upper area of ​​the rear end.

[0016] As one of the preferred technical solutions, in the present application, the drawer is internally provided with a plurality of drawer inner ribs, and the drawer inner ribs are integrated with the drawer.

[0017] A refrigerator described in the present application is provided with the above-mentioned refrigerator drawer assembly inside the refrigerator.

[0018] Compared with the prior art, this application has the following technical effects:

[0019] 1. The present application improves the structure of the refrigerator drawer assembly, thereby not only improving the structural performance of the refrigerator drawer assembly itself and avoiding damage to the refrigerator drawer assembly caused by loading overweight items, but also improves the refrigerator limit structure and improves the stability of the refrigerator drawer assembly. By improving the structure of the top cover of the refrigerator drawer assembly, the cooling function inside the refrigerator drawer assembly is improved, thereby improving the refrigeration or freezing process and efficiency.

[0020] 2. The monitoring component described in the present application, compared with structures such as piezoelectric sensors, can reduce the measurement error caused by the influence of the internal environment of the refrigerator, and can also provide sufficient supporting force for the drawer, while ensuring the stability and reliability of the internal measurement environment, and improving the stability of the measurement through mechanical contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This application is a three-dimensional Figure 1 .

[0022] Figure 2 yes Figure 1 A partial enlarged view of part I.

[0023] Figure 3 This application is a three-dimensional Figure 2 .

[0024] Figure 4 It is a three-dimensional image after removing some structures.

[0025] Figure 5 yes Figure 4 A partial enlarged view of part II.

[0026] In the figure: 1. Cover plate; 2. Fan assembly; 3. Cover plate fan compartment; 4. Cover plate air inlet; 5. Cover plate connector; 6. Air inlet filter; 7. Drawer connector; 8. Drawer; 9. Cover plate buckle; 10. Drawer clamp hole; 11. Drawer bottom hole; 12. Roller guard plate; 13. Roller support plate; 14. Sliding limit plate; 15. Limit guide pulley; 16. Install and fix side plate; 17. Drawer inner rib; 18. Drawer top hole; 19. Drawer edge step; 20. Drawer top edge; 21. Monitoring assembly; 22. Assembly bottom plate; 23. Fan box; 24. Box air inlet; 25. Fan compartment filter; 26. Pressure rod; 27. Pressure cylinder; 28. Bottom plate limit block; 29. ​​Install and fix bottom plate. DETAILED DESCRIPTION

[0027] The technical solution described in this application is further described below in conjunction with the accompanying drawings and embodiments.

[0028] Example 1

[0029] like Figures 1 to 5 As shown, a refrigerator drawer assembly includes a drawer 8, the top of the drawer 8 has an integrally arranged drawer top edge 20, a step structure is formed between the drawer 8 and the drawer top edge 20, a plurality of rollers are arranged on the side of the drawer 8, the rollers slide relative to and are supported by a roller support plate 13 on the side wall of the refrigerator, a plurality of monitoring components 21 are arranged at the bottom end of the roller support plate 13, and the monitoring components 21 are evenly distributed along the length direction of the roller support plate 13; the bottom end of the monitoring component 21 is fixed to the component bottom plate 22, and the component bottom plate 22 and the roller support plate 13 are fixed It is connected to the mounting and fixing side plate 16, and the mounting and fixing side plate 16 is fixed to the side wall of the refrigerator by fasteners; the monitoring component 21 includes a pressure rod 26 and a pressure cylinder 27, and the pressure rod 26 is located in the pressure cylinder 27 and slides relative to the pressure cylinder 27; a supporting spring is provided at the bottom end of the pressure cylinder 27, and the top end of the supporting spring contacts with the bottom end of the pressure rod 26, and the circumferential side wall of the pressure cylinder 27 is provided with a plurality of contacts arranged in pairs, and the pressure rod 26 is provided with a conducting ring at a position close to the bottom end, and different pairs of contacts distributed in the length direction of the pressure cylinder 27 contact with the conducting ring to form different conducting circuits.

[0030] Example 2

[0031] Continue to see Figures 1 to 5, a refrigerator drawer assembly, wherein the drawer 8 is integrally provided with a sliding limit plate 14 at the side wall below the roller, the sliding limit plate 14 is in contact with a plurality of limit guide pulleys 15 on the assembly bottom plate 22, and the assembly bottom plate 22 and the limit guide pulley 15 constitute a limit for the sliding limit plate 14; a plurality of drawer plug-in slots 7 are distributed at the step structure formed by the drawer top edge 20 and the drawer 8, the drawer plug-in slots 7 are plugged with the cover plate plug-in piece 5, and any drawer plug-in slot 7 is symmetrically selected to be processed with a drawer card hole 10, and the drawer card hole 10 is correspondingly arranged with the cover plate buckle 9; the cover plate buckle 9 and the cover plate plug-in piece 5 are both located on the cover plate 1, the cover plate 1 is placed at the step structure, and cooperates with the drawer 8 to realize the closure of the internal space of the drawer 8; the cover plate 1 is also provided with a plurality of through holes distributed in a matrix, and these through holes distributed in a matrix are distributed in the space formed by the cover plate fan compartment 3, and the cover plate fan compartment 3 is through The through holes distributed in a matrix are connected to the space inside the drawer 8; the cover plate fan compartment 3 is integrated with the cover plate 1, and a fan assembly 2 is arranged in the cover plate fan compartment 3. The cover plate fan compartment 3 is circumferentially distributed with a plurality of cover plate air inlet holes 4, and the inside of the cover plate air inlet holes 4 is filled with an air inlet hole filter 6. The through holes in the cover plate fan compartment 3 that are connected to the drawer 8 are provided with a fan compartment filter 25; the fan assembly 2 includes a fan housing 23, and the fan housing 23 has a cover plate The inner space of the fan compartment 3 is connected to the box air inlet 24, and a fan is arranged in the fan box 23. The fan sends the air entering from the box air inlet 24 into the drawer 8 through the fan compartment filter element 25 and the through holes distributed in a matrix; the cover plate air inlet 4 is provided with an air inlet filter element 6, and the cover plate air inlet 4 has a tube body extending to the outer side and the inner side of the cover plate fan compartment 3, and the air inlet filter element 6 is located in the tube body extending from the cover plate air inlet 4 to the outer side and the inner side of the cover plate fan compartment 3.

[0032] The structure and connection relationship of the remaining parts are the same as those in the aforementioned embodiment. To avoid cumbersome writing, they will not be described here. Those skilled in the art can understand the contents recorded in this embodiment based on reading the above embodiment.

[0033] Example 3

[0034] Continue to see Figures 1 to 5, a refrigerator drawer assembly, wherein a roller guard plate 12 is provided at the roller position of the side of the drawer 8, the mounting and fixing side plate 16 and the mounting and fixing bottom plate 29 constitute an installation area of ​​a U-shaped structure, and a plurality of bottom plate limit blocks 28 are distributed on the mounting and fixing bottom plate 29, and the bottom plate limit blocks 28 extend toward the direction where the drawer 8 is located; the drawer 8 is provided with a plurality of drawer bottom holes 11 at the bottom position of the front end, and the drawer bottom holes 11 are connected with the internal space of the drawer 8, and the drawer 8 is processed with a plurality of drawer top holes 18 in the upper area of ​​the rear end; the drawer 8 is provided with a plurality of drawer inner ribs 17 inside, and the drawer inner ribs 17 are integrated with the drawer 8.

[0035] The structure and connection relationship of the remaining parts are the same as those in the aforementioned embodiment. To avoid cumbersome writing, they will not be described here. Those skilled in the art can understand the contents recorded in this embodiment based on reading the above embodiment.

[0036] Example 4

[0037] A refrigerator equipped with a refrigerator drawer assembly as described in any one of Embodiments 1 to 3.

[0038] Based on the above embodiments, the present application continues to use the following space to further describe the role or function of the technical features involved in the embodiments in the present application, so as to help technicians in this field to fully understand the technical solutions recorded in the present application and be able to reproduce them.

[0039] In the present application, the bottom end of the drawer 8 is blocked and the top end is open, so that a space for accommodating items is formed inside the drawer 8. The drawer 8 is made of common refrigerator drawer materials in existing designs.

[0040] A drawer bottom hole 11 is provided in the lower front end area of ​​the drawer 8, and a drawer top hole 18 is provided in the upper rear end area of ​​the drawer 8. The drawer bottom hole 11 and the drawer top hole 18 are both connected to the internal space of the drawer 8, which can realize the connection between the internal area of ​​the drawer 8 and the internal environment space of the refrigerator. In order to strengthen the structure of the drawer 8 itself, a plurality of drawer inner ribs 17 are also integrally formed inside the drawer 8, and the drawer inner ribs 17 are staggered with the drawer bottom hole 11 and the drawer top hole 18. The drawer inner ribs 17 are higher than the inner wall of the drawer 8. In addition to strengthening the structure of the drawer 8, they can also support the items contained in the drawer 8, improve the load-bearing capacity of the drawer 8, and facilitate the removal of the contained items, so as to avoid a large contact area between the contained items and the drawer 8.

[0041] In the present application, the drawer 8 is provided with a plurality of rollers connected by shafts on the side, that is, the side without the drawer bottom hole 11 and the drawer top hole 18, and a roller guard plate 12 for roller protection is provided above the roller, and the roller guard plate 12 is provided integrally with the drawer 8. The plurality of rollers on both sides of the drawer 8 are in contact with the roller support plate 13, and the rollers are supported under the action of the roller support plate 13, so as to realize the placement and support of the drawer 8. The cross section of the roller support plate 13 is an L-shaped structure, and the roller support plate 13 is fixed on the mounting and fixing side plate 16, and the mounting and fixing side plate 16 is fixed to the side wall of the refrigerator by fasteners.

[0042] The drawer 8 is provided with a sliding limit plate 14 at the side position below the roller. The sliding limit plate 14 is a rectangular block integrally provided with the drawer 8. In addition to strengthening the side strength of the drawer 8 through the sliding limit plate 14, the drawer 8 can also achieve sliding guidance with the limit guide pulley 15 on the fixed side plate 16 through the sliding limit plate 14. The limit guide pulley 15 is located on the component bottom plate 22, and the component bottom plate 22 is located on the fixed side plate 16 and is fixedly connected to the fixed side plate 16. The component bottom plate 22 has space for accommodating several circuits inside, so as to facilitate the signal transmission of several monitoring components 21 arranged thereon, and the component bottom plate 22 can also support the roller support plate 13, and realize stable relative movement with the roller support plate 13 and the component bottom plate 22. The monitoring component 21 is located above the component bottom plate 22 and is evenly distributed along the length direction of the component bottom plate 22, and the limit guide pulley 15 is located below the component bottom plate 22 and is evenly distributed along the length direction of the component bottom plate 22. As one of the preferred technical solutions of the present application, a number of rectangular through holes can also be provided on the roller support plate 13, and the rectangular through holes can cooperate with the roller to achieve partial area limitation of the lower part of the roller, that is, after the drawer 8 is pushed to the limited position, the roller of the drawer 8 can enter the corresponding rectangular through hole of the roller support plate 13, and the roller can be limited by the rectangular through hole.

[0043] In the present application, the mounting fixed side panel 16 and the mounting fixed bottom panel 29 constitute a U-shaped structural area. This U-shaped structure can ensure the installation stability of the refrigerator drawer assembly, and a plurality of bottom panel limit blocks 28 can be distributed on the mounting fixed bottom panel 29. The bottom panel limit blocks 28 can extend in the direction of the drawer 8 and realize the limitation of the drawer 8, thereby ensuring that the drawer top hole 18 on the drawer 8 has sufficient air intake distance.

[0044] In the above paragraphs, the monitoring assembly 21 described in the present application has a coaxially arranged pressure rod 26 and a pressure cylinder 27, wherein the pressure rod 26 is a bare rod structure, the top end of the pressure cylinder 27 is open and the bottom end is blocked, and a chamber for accommodating the pressure rod 26 is formed inside the pressure cylinder 27. A support spring is arranged between the bottom end of the pressure rod 26 and the bottom of the pressure cylinder 27, and the support spring can provide sufficient supporting force for the pressure rod 26 during the relative movement of the two, and the weight of the heavy object inside the drawer 8 is calibrated according to the compression amount of the support spring, that is, the relative movement distance between the pressure rod 26 and the pressure cylinder 27, so as to facilitate subsequent monitoring.

[0045] In the present application, the pressure cylinder 27 is provided with contacts in pairs on the inner wall, and the contacts can form different conductive circuits with correspondingly arranged wires. The pressure rod 26 is provided with a conductive ring, and the conductive ring can respectively contact with contacts arranged in pairs at different positions in the length direction of the pressure cylinder 27 during the movement of the pressure rod 26, thereby achieving conduction of the electrical circuit corresponding to the contact. The controller monitors the conduction status of different electrical circuits to calibrate the weight in the drawer 8, thereby avoiding structural damage to the drawer 8 caused by too many items in the drawer 8.

[0046] In the present application, the drawer 8 is also expanded at the top opening position by a step structure to form a drawer top edge 20, and the drawer top edge 20 and the step structure formed at the top opening position of the drawer 8 are integrally provided with a plurality of drawer plug-in slots 7, and the drawer plug-in slots 7 form slot holes for plugging the cover plate plug-in parts 5, and the plug-in between the cover plate plug-in parts 5 and the drawer plug-in slots 7 adopts an interference fit, that is, the cover plate plug-in parts 5 can be inserted into the drawer plug-in slots 7 by their own deformation and stably connected with the drawer plug-in slots 7. The drawer plug-in slots 7 are evenly distributed at the step structure position, and the cover plate plug-in parts 5 are correspondingly arranged with the drawer plug-in slots 7, and the cover plate plug-in parts 5 and the cover plate 1 are integrally formed.

[0047] A drawer card hole 10 is selected in the drawer plug-in slot 7, and the drawer card hole 10 is symmetrically arranged on the top edge 20 of the drawer. The cover plate connector 5 is processed with a cover plate buckle 9 at the position corresponding to the drawer card hole 10. The cover plate buckle 9 is inserted into the drawer plug-in slot 7 through its own deformation and is engaged with the drawer card hole 10.

[0048] In the present application, the cover plate connector 5 is located at the bottom of the cover plate 1, and the cover plate 1 is integrally provided with a cover plate fan compartment 3 at the middle position. The area formed by the cover plate fan compartment 3 is provided with a plurality of through holes distributed in a matrix, and these through holes connect the cover plate fan compartment 3 with the drawer 8.

[0049] The top opening of the cover plate fan compartment 3 is connected to the fan assembly 2, and the top opening of the cover plate fan compartment 3 is blocked by the fan assembly 2. The cover plate fan compartment 3 is provided with a plurality of cover plate air inlets 4 connected to its internal space on the circumferential side wall, and the cover plate air inlet 4 has a tube body extending to the outside of the cover plate fan compartment 3 and to the inside of the cover plate fan compartment 3. The inside of the cover plate air inlet 4 is filled with an air inlet filter 6, and the air inlet filter 6 is used to absorb water vapor to ensure the dryness of the internal space of the cover plate fan compartment 3 and avoid affecting the service life of the fan. Of course, in this application, the fan used should have certain waterproof and moisture-proof properties to ensure the normal operation of the fan, and the technicians in this field can select a fan with appropriate parameters in the prior art. In this application, the power supply or circuit of the fan and the monitoring component 21 are loaded with the corresponding control circuit inside the refrigerator, and are powered by the original power supply system of the refrigerator. Of course, the technicians in this field can set an independent power supply module to realize the independent power supply of the above device under the circumstances of the prior art.

[0050] In the present application, the fan assembly 2 is provided with two symmetrically distributed fan boxes 23 inside the space formed by the cover plate fan compartment 3. The bottom opening position of the fan box 23 is located at the top of the cover plate 1. The top of the fan box 23 is connected to the fan assembly 2 as a whole. A plurality of box air inlets 24 are processed at the top position of the fan box 23. The box air inlets 24 are used to realize the delivery of air in the cover plate fan compartment 3 to the matrix distribution through holes. A fan compartment filter 25 is provided in the cover plate fan compartment 3. The fan compartment filter 25 is located between the fan box 23 and the matrix distribution through holes, and is used to realize the isolation and filtration of water vapor. Its function is the same as that of the air inlet filter 6.

[0051] In the present application, the tube extension portion of the cover plate air inlet hole 4 is used to ensure the placement stability of the air inlet filter 6, to ensure the stability of the external air being delivered in the direction of the box air inlet 24, and to ensure the stability of the circumferential edge of the fan compartment filter 25.

[0052] In the present application, when the cover plate 1 and the drawer 8 are connected as one, it can realize the relative independence of the internal space of the drawer 8, and in the combined structure formed by the fan assembly 2 and the cover plate fan compartment 3, it can realize that the air in the internal environment of the refrigerator flows into the cover plate fan compartment 3 through the cover plate air inlet hole 4 and the air inlet filter 6, and is sent into the drawer 8 through the box air inlet 24, the fan box 23, and the fan compartment filter 25 under the action of the fan assembly 2, and is discharged through the drawer bottom hole 11 and the drawer top hole 18 inside the drawer 8, which can facilitate the cooling of the inside of the drawer 8 and ensure the flow of air inside the drawer 8, thereby improving the efficiency and quality of refrigeration or freezing.

[0053] The above contents are only specific implementation methods of the present application, so as to satisfy those skilled in the art to fully understand the present application and implement the technical solutions described in the present application. However, it is obvious to those skilled in the art to modify these embodiments. Therefore, under the general principles defined herein and without departing from the spirit and scope of the present application, implementing the technical solutions described in the present application with other embodiments should be understood as an extension of the protection scope of the present application.

Claims

1. A refrigerator drawer assembly, comprising a drawer (8), wherein the top of the drawer (8) has an integrally arranged drawer top edge (20), and a step structure is formed between the drawer (8) and the drawer top edge (20), wherein: A plurality of rollers are arranged on the side of the drawer (8), and the rollers slide relative to and are supported by the roller support plate (13) on the side wall of the refrigerator. A plurality of monitoring components (21) are arranged at the bottom end of the roller support plate (13), and the monitoring components (21) are evenly distributed along the length direction of the roller support plate (13); the bottom ends of the monitoring components (21) are fixed to the component bottom plate (22), and the component bottom plate (22) and the roller support plate (13) are fixedly connected to the mounting and fixing side plate (16), and the mounting and fixing side plate (16) is fixed to the mounting and fixing side plate (16) by fasteners. The monitoring component (21) comprises a pressure rod (26) and a pressure cylinder (27), wherein the pressure rod (26) is located in the pressure cylinder (27) and slides relative to the pressure cylinder (27); a support spring is arranged at the bottom end of the pressure cylinder (27), the top end of the support spring contacts the bottom end of the pressure rod (26), a plurality of contacts arranged in pairs are arranged on the circumferential side wall of the pressure cylinder (27), a conducting ring is arranged at a position close to the bottom end of the pressure rod (26), and different contacts arranged in pairs distributed in the length direction of the pressure cylinder (27) contact with the conducting ring to form different conducting loops.

2. A refrigerator drawer assembly according to claim 1, characterized in that: The drawer (8) is integrally provided with a sliding limit plate (14) at the side wall below the roller, and the sliding limit plate (14) is in contact with a plurality of limit guide pulleys (15) on the component bottom plate (22), and the component bottom plate (22) and the limit guide pulleys (15) constitute a limit for the sliding limit plate (14).

3. A refrigerator drawer assembly according to claim 2, characterized in that: A plurality of drawer plug-in slots (7) are distributed at the step structure formed by the drawer top edge (20) and the drawer (8), and the drawer plug-in slots (7) are plugged with the cover plate plug-in components (5). A drawer card hole (10) is symmetrically selected to be processed at any drawer plug-in slot (7), and the drawer card hole (10) is arranged correspondingly to the cover plate buckle (9); the cover plate buckle (9) and the cover plate plug-in component (5) are both located on the cover plate (1), and the cover plate (1) is placed at the step structure and cooperates with the drawer (8) to achieve the closure of the internal space of the drawer (8).

4. A refrigerator drawer assembly according to claim 3, characterized in that: The cover plate (1) is also provided with a plurality of through holes distributed in a matrix, and the through holes distributed in a matrix are distributed in the space formed by the cover plate fan compartment (3), and the cover plate fan compartment (3) is connected with the space inside the drawer (8) through the through holes distributed in a matrix; the cover plate fan compartment (3) and the cover plate (1) are integrally formed, and a fan assembly (2) is arranged in the cover plate fan compartment (3); a plurality of cover plate air inlet holes (4) are distributed in the circumference of the cover plate fan compartment (3), and an air inlet hole filter element (6) is arranged inside the cover plate air inlet hole (4); and a fan compartment filter element (25) is arranged at the through hole in the cover plate fan compartment (3) that is connected with the drawer (8).

5. A refrigerator drawer assembly according to claim 4, characterized in that: The fan assembly (2) comprises a fan housing (23), wherein the fan housing (23) has a housing air inlet (24) connected to the internal space of the cover plate fan compartment (3), and a fan is arranged in the fan housing (23), and the fan delivers the air entering through the housing air inlet (24) into the drawer (8) via a fan compartment filter element (25) and through holes distributed in a matrix.

6. A refrigerator drawer assembly according to claim 5, characterized in that: An air inlet filter (6) is arranged inside the cover plate air inlet hole (4), and the cover plate air inlet hole (4) has a tube body extending toward the outside and inside of the cover plate fan compartment (3), and the air inlet filter (6) is located in the tube body extending from the cover plate air inlet hole (4) toward the outside and inside of the cover plate fan compartment (3).

7. A refrigerator drawer assembly according to any one of claims 1 to 6, characterized in that: A roller guard plate (12) is provided at the roller position on the side of the drawer (8); the mounting fixed side plate (16) and the mounting fixed bottom plate (29) form a U-shaped mounting area; a plurality of bottom plate limit blocks (28) are distributed on the mounting fixed bottom plate (29); and the bottom plate limit blocks (28) extend in the direction of the drawer (8).

8. A refrigerator drawer assembly according to claim 7, characterized in that: The drawer (8) is provided with a plurality of drawer bottom holes (11) at the bottom of the front end, the drawer bottom holes (11) are connected to the internal space of the drawer (8), and the drawer (8) is processed with a plurality of drawer top holes (18) in the upper area of ​​the rear end.

9. A refrigerator drawer assembly according to claim 8, characterized in that: The drawer (8) is provided with a plurality of drawer inner ribs (17) inside, and the drawer inner ribs (17) and the drawer (8) form an integral body.

10. A refrigerator, characterized in that: A refrigerator drawer assembly as claimed in any one of claims 1 to 9 is arranged inside the refrigerator.

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