Refrigerator height adjusting structure
By combining lifting and limiting components, the problem of refrigerator tilting due to uneven ground is solved, enabling easy height adjustment and long-term stability, ensuring that the refrigerator remains level during use.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NINGBO FOTILE KITCHEN WARE CO LTD
- Filing Date
- 2025-04-27
- Publication Date
- 2026-05-05
AI Technical Summary
The existing refrigerators have the problem of tilting due to uneven ground during installation, and the adjustment method is cumbersome and they are prone to tilting again after long-term use.
The refrigerator employs a combination of a lifting component and a limiting component. The lifting component adjusts the refrigerator's height by moving vertically, while the limiting component fixes the position of the lifting component after adjustment, ensuring that the refrigerator remains level.
It enables easy refrigerator height adjustment, preventing it from tilting again after prolonged use and improving operational efficiency and stability.
Smart Images
Figure CN224201976U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of refrigerator technology, and in particular to a refrigerator height adjustment structure. Background Technology
[0002] With the development of science and technology, the development of society and economy, and the improvement of people's living standards, refrigerators have become an essential household appliance for every family, used for food storage.
[0003] During refrigerator installation, uneven ground can cause the refrigerator's bottom to be uneven, resulting in a tilt. Current methods typically involve adjusting the refrigerator's feet or adding shims to align the refrigerator with the cabinet. For example, if unevenness is discovered, the refrigerator needs to be moved, shims added under the support rollers to raise it, and then pushed back into position – a cumbersome and laborious process. Some refrigerators have adjustable feet for balance, but these often revert to tilting after prolonged use. Utility Model Content
[0004] To address the aforementioned technical problems, this utility model provides a refrigerator height adjustment structure.
[0005] A refrigerator height adjustment structure, installed at the bottom of the refrigerator, includes: a fixing component for fixed connection to the bottom of the refrigerator; a lifting component installed in the fixing component and capable of rising or falling vertically, with one end of the lifting component away from the bottom of the refrigerator supported on the ground; and a limiting component movably connected to the fixing component and capable of moving relative to the side wall of the fixing component, configured to engage with the lifting component in response to its descent and to avoid the lifting component in response to its rise.
[0006] With this configuration, the fixed component is permanently connected to the bottom of the refrigerator, maintaining a relatively constant position. The lifting component moves vertically. When the lifting component descends, the distance between it and the bottom of the refrigerator increases. Since the lifting component is in contact with the ground, its lowest point remains unchanged. Therefore, the descent of the lifting component relative to the bottom of the refrigerator is actually the refrigerator rising relative to the lifting component, thus achieving the function of raising the refrigerator. Similarly, the rising of the lifting component means the relative position of the refrigerator decreases. The limiting component can respond to the descent of the lifting component and engage with it. That is, during the process of raising the refrigerator relative to the lifting component, the limiting component engages with the lifting component to ensure that the height of the lifting component does not change. When the lifting component rises, the limiting component can move aside, allowing the refrigerator to descend smoothly.
[0007] In one embodiment, the lifting assembly includes a lifting seat with a limiting groove formed thereon;
[0008] The limiting component includes a limiting post, which is movable relative to the fixing component and engages with the limiting groove.
[0009] In one embodiment, the limiting post has a first inclined surface on the side facing away from the bottom of the refrigerator, and the limiting groove has a second inclined surface on the side wall away from the bottom of the refrigerator. The first inclined surface and the second inclined surface have the same inclination direction.
[0010] In one embodiment, the limiting component further includes an installation unit and an elastic element. The installation unit is connected to the fixing component. The installation unit has a cavity inside. The installation unit has a through hole on the side near the lifting component. A portion of the limiting post is disposed in the cavity and can move along the axial direction of the installation unit and extend out of the cavity through the through hole. One end of the elastic element abuts against the limiting post, and the other end abuts against the inner wall of the cavity formed by the installation unit.
[0011] In one embodiment, the mounting unit includes a first limiting seat and a second limiting seat. The first limiting seat is connected to the fixing component, and a portion of the second limiting seat is disposed in the first limiting seat. The first limiting seat and the second limiting seat are threadedly connected to form the mounting unit.
[0012] In one embodiment, the fixing component includes a fixing base, the fixing base having a limiting hole and a reinforcing column communicating with the limiting hole, the reinforcing column being hollow, and the mounting unit being connected to the inner wall of the reinforcing column.
[0013] In one embodiment, the fixing component includes a fixing seat, which is hollow and forms a receiving cavity, and the lifting component includes a lifting seat, at least a portion of which is disposed in the receiving cavity;
[0014] One of the inner wall of the accommodating cavity and the outer wall of the lifting seat is provided with a guide rib, and the other is provided with a guide groove, wherein the guide rib is confined within the guide groove.
[0015] In one embodiment, the fixing component further includes a housing, the lifting component further includes an adjusting foot connected to the side of the lifting seat away from the bottom of the refrigerator, the housing is fixedly connected to the bottom of the refrigerator, and the fixing seat is connected to the housing.
[0016] In one embodiment, the refrigerator height adjustment structure further includes a drive assembly, which includes a worm gear. The lifting assembly includes a transmission wheel, a transmission shaft, and a lifting seat. The transmission wheel and the worm gear are connected by a drive mechanism. One end of the transmission shaft passes through the transmission wheel and is fixedly connected to the transmission wheel. The other end of the transmission shaft is threadedly connected to the lifting seat. The lifting seat is slidably connected to the fixing assembly and is limited in rotation by the fixing assembly.
[0017] In one embodiment, a connecting key is provided on the outer periphery of the drive shaft, and a keyway is provided on the inner wall of the drive wheel, with the connecting key engaging with the keyway.
[0018] Compared to existing technologies, this invention uses a lifting component to raise or lower the refrigerator, and adds a limiting component that engages with the lifting component. When the limiting component abuts against the lifting component, it ensures that the lifting component remains in the preset position, preventing it from shifting again during long-term use of the refrigerator. Attached Figure Description
[0019] Figure 1 A schematic diagram of the structure of one embodiment of the refrigerator provided by this utility model;
[0020] Figure 2 A schematic diagram of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0021] Figure 3 A partial structural schematic diagram of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0022] Figure 4 A schematic diagram of the hidden housing of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0023] Figure 5 A schematic diagram of the hidden housing and drive assembly of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0024] Figure 6 A schematic diagram of the fixing base of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0025] Figure 7 A schematic diagram of the lifting seat of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0026] Figure 8 A schematic diagram of the hidden housing and fixing base of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0027] Figure 9 A schematic diagram of the hidden housing, fixed base, and lifting base of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0028] Figure 10 A partial structural cross-sectional view of one embodiment of the refrigerator height adjustment structure provided by this utility model;
[0029] Figure 11 A cross-sectional view of the limiting component of one embodiment of the refrigerator height adjustment structure provided by this utility model.
[0030] The symbols in the diagram represent the following meanings:
[0031] 100. Refrigerator height adjustment structure; 200. Refrigerator; 10. Fixing component; 11. Housing; 12. Fixing seat; 121. Limiting hole; 122. Reinforcing column; 123. Accommodating cavity; 124. Guide rib; 20. Lifting component; 21. Lifting seat; 211. Limiting groove; 2111. Second inclined surface; 212. Guide groove; 22. Transmission wheel; 23. Transmission shaft; 231. Connecting key; 24. Adjusting foot; 30. Limiting component; 31. Limiting column; 311. First inclined surface; 32. Mounting unit; 321. Cavity; 322. Through hole; 323. First limiting seat; 324. Second limiting seat; 33. Elastic element; 40. Drive component; 41. Worm gear. Detailed Implementation
[0032] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.
[0033] It should be noted that when a mechanism is referred to as being "fixed to" or "set on" another mechanism, it can be directly on the other mechanism or there may be an intervening mechanism. When a mechanism is considered to be "connected to" another mechanism, it can be directly connected to the other mechanism or there may be an intervening mechanism. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application's specification are for illustrative purposes only and do not represent the only possible implementation.
[0034] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0035] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature and the second feature are in indirect contact through an intermediate medium. Furthermore, "above," "over," and "on top" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0036] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in this application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and / or" as used in this application includes any and all combinations of one or more of the associated listed items.
[0037] Please see Figures 1-11 This utility model provides a refrigerator height adjustment structure 100, which is installed at the bottom of the refrigerator 200. The height of the refrigerator 200 can be adjusted by raising or lowering the lifting component 20. After the adjustment is completed, the position of the lifting component 20 can be fixed by the limiting component 30, so as to ensure that the refrigerator 200 remains level after long-term use.
[0038] Please see Figures 1-3The refrigerator height adjustment structure 100 includes a fixed component 10, a lifting component 20, and a limiting component 30. The fixed component 10 is fixedly connected to the bottom of the refrigerator. The lifting component 20 is installed in the fixed component 10 and can rise or fall vertically. The end of the lifting component 20 away from the bottom of the refrigerator is supported on the ground. The limiting component 30 is connected to the fixed component 10 and can move relative to the side wall of the fixed component 10. It is configured to engage with the lifting component 20 in response to its descent and to avoid the lifting component 20 in response to its ascent. Thus, the fixed component 10 is fixedly connected to the bottom of the refrigerator, and its position remains relatively fixed. When the lifting component 20 moves vertically, the distance between the lifting component 20 and the bottom of the refrigerator increases. Since the lifting component 20 is in contact with the ground, its lowest position does not change. Therefore, the descent of the lifting component 20 relative to the bottom of the refrigerator is actually the ascent of the refrigerator 200 relative to the lifting component 20, which realizes the function of adjusting the height of the refrigerator 200. Similarly, the rising of the lifting component 20 also means the relative position of the refrigerator 200 is lowered. The limiting component 30 can engage with the lifting component 20 in response to its descent. That is, when the refrigerator 200 rises relative to the lifting component 20, during the process of the refrigerator 200 being raised as a whole, the limiting component 30 engages with the lifting component 20 to ensure that the height of the lifting component 20 does not change. When the lifting component 20 rises, the limiting component 30 can move aside to allow the refrigerator 200 to descend smoothly.
[0039] Further, please see Figures 7-9 The lifting assembly 20 includes a lifting seat 21 with a limiting groove 211. The limiting assembly 30 includes a limiting post 31, which is movable relative to the fixed assembly 10 and engages with the limiting groove 211. This simple engagement method allows the limiting post 31 to move towards the lifting assembly 20 and extend into the limiting groove 211, abutting against the groove wall to limit the movement of the lifting seat 21. When the limiting post 31 exits the limiting groove 211, the lifting seat 21 can move freely.
[0040] In other embodiments, the lifting assembly 20 can also be limited by other structures, such as by providing a protrusion on the outer periphery of the lifting seat 21, which abuts against the limiting post 31, or by using the limiting post 31 to press against the lifting seat 21. As long as the lifting assembly 20 can be limited, it is not limited to the above-described implementation.
[0041] Furthermore, the limiting post 31 has a first inclined surface 311 on the side facing away from the bottom of the refrigerator, and the wall of the limiting groove 211 away from the bottom of the refrigerator is set as a second inclined surface 2111. The first inclined surface 311 and the second inclined surface 2111 have the same inclination direction. Thus, since the first inclined surface 311 and the second inclined surface 2111 have the same inclination direction, they cannot achieve stable contact. When the limiting post 31 and the wall of the limiting groove 211 come into contact, the first inclined surface 311 will naturally cause the limiting post 31 to avoid the axis away from the lifting assembly 20 due to the horizontal component force, thereby achieving the technical effect of the limiting post 31 avoiding the lifting assembly 20 as it rises.
[0042] In other embodiments, the axial position of the lifting assembly 20 can be detected by a sensor, thereby driving the movement of the limiting post 31 through electronic control and a motor, and is not limited to the above-described method of the first inclined surface 311 and the second inclined surface 2111 abutting. However, in the above embodiments, the method of opening the first inclined surface 311 and the second inclined surface 2111 is simple in structure and low in cost.
[0043] Specifically, the upper wall of the limiting groove 211 on the side away from the ground is a horizontally extending wall, and the upper end face of the limiting post 31 also extends horizontally. Therefore, after the two come into contact, they will be stably limited and will not have a horizontal component force to drive the limiting post 31 to move.
[0044] Please see Figure 11 The limiting component 30 also includes an installation unit 32 and an elastic element 33. The installation unit 32 is connected to the fixing component 10. The installation unit 32 has a cavity 321 inside. The installation unit 32 has a through hole 322 on the side near the lifting component 20. A portion of the limiting post 31 is disposed in the cavity 321 and can move along the axial direction of the installation unit 32, and extends out of the cavity 321 through the through hole 322. One end of the elastic element 33 abuts against the limiting post 31, and the other end abuts against the inner wall of the cavity 321 formed by the installation unit 32.
[0045] Thus, the mounting unit 32 is connected to the fixing component 10, and its position can be relatively fixed. The limiting post 31 is confined inside the mounting unit 32 and moves along the axial direction of the mounting unit 32. The inner wall of the cavity 321 formed by the mounting unit 32 can guide the limiting post 31. The through hole 322 is used for the limiting post 31 to extend out, thereby limiting it with the lifting component 20.
[0046] Specifically, the mounting unit 32 includes a first limiting seat 323 and a second limiting seat 324. The first limiting seat 323 is connected to the fixing component 10, and a portion of the second limiting seat 324 is disposed within the first limiting seat 323. The first limiting seat 323 and the second limiting seat 324 are threadedly connected to form the mounting unit 32. Thus, the mounting unit 32 is composed of the first limiting seat 323 and the second limiting seat 324. The first limiting seat 323 and the second limiting seat 324 can be processed separately and then assembled together, reducing the processing difficulty of the mounting unit 32 and facilitating its assembly onto the fixing component 10.
[0047] Preferably, in this embodiment, the first limiting seat 323 and the second limiting seat 324 are connected by threads, and the first limiting seat 323 is also connected by threads to the fixing component 10, so that each component can be assembled by simple rotation, simplifying the assembly steps.
[0048] For example, please see Figures 4-6 The fixing component 10 includes a fixing base 12, on which a limiting hole 121 and a reinforcing post 122 communicating with the limiting hole 121 are constructed. The reinforcing post 122 is hollow, and the mounting unit 32 is connected to the inner wall of the reinforcing post 122. Thus, the limiting hole 121 is the opening that mates with the first limiting seat 323, and the reinforcing post 122 communicates with the limiting hole 121 and is hollow, thereby increasing the connection area between the fixing base 12 and the first limiting seat 323, resulting in a stronger connection between the mounting unit 32 and the fixing base 12. This avoids the problem of axial displacement of the mounting unit 32 and the limiting post 31 located inside the mounting unit 32, which would prevent them from being inserted into the limiting groove 211.
[0049] Preferably, in this embodiment, the fixed base 12 has limit holes 121 on both sides and reinforcing posts 122 with the same diameter communicating with the limit holes 121. Two limiting components 30 are provided, meaning that the aforementioned mounting unit 32 is installed in both limit holes 121. Correspondingly, the lifting base 21 also has limit grooves 211 on both sides corresponding to the two limit holes 121. Therefore, the two limiting posts 31 can simultaneously abut against the limiting grooves 211 on both sides of the lifting base 21, further ensuring the limiting strength of the limiting components 30.
[0050] The fixed seat 12 is hollow and forms a receiving cavity 123. At least a portion of the lifting seat 21 is disposed in the receiving cavity 123. The receiving cavity 123 provides space for the installation of the lifting seat 21 and can also guide the movement path of the lifting seat 21.
[0051] Specifically, one of the inner wall of the accommodating cavity 123 and the outer wall of the lifting seat 21 is provided with a guide rib 124, and the other is provided with a guide groove 212, with the guide rib 124 confined within the guide groove 212. In this way, the limiting cooperation between the guide groove 212 and the guide rib 124 can make the relative movement of the lifting seat 21 and the fixed seat 12 more stable.
[0052] For example, in this embodiment, a guide rib 124 is provided on the inner wall of the accommodating cavity 123, and a guide groove 212 is provided on the outer wall of the lifting seat 21.
[0053] Furthermore, multiple guide ribs 124 are provided on the inner wall of the accommodating cavity 123, and the multiple guide ribs 124 are spaced apart. The outer wall of the lifting seat 21 is also provided with multiple guide grooves 212 corresponding to the multiple guide ribs 124, and each guide rib 124 is correspondingly engaged in a guide groove 212.
[0054] In this embodiment, the lifting seat 21 is configured as a regional cylindrical structure, and the accommodating cavity 123 is also configured as a cylindrical groove structure. The guide ribs 124 are configured as four, and are evenly distributed on the inner wall of the cylinder at 90° intervals. The guide grooves 212 are also opened as four, and are spaced at 90° intervals to correspond to the guide ribs 124.
[0055] The fixing assembly 10 also includes a housing 11, and the lifting assembly 20 also includes an adjusting foot 24. The adjusting foot 24 is connected to the side of the lifting seat 21 away from the bottom of the refrigerator. The housing 11 is fixedly connected to the bottom of the refrigerator, and the fixing seat 12 is connected to the housing 11. The adjusting foot 24 is used to support the ground and is preferably made of a soft material to reduce wear and deformation caused by long-term contact with the ground. The housing 11 is used for the installation of the fixing seat 12.
[0056] The refrigerator height adjustment structure 100 also includes a drive assembly 40, which includes a worm gear 41. The lifting assembly 20 includes a transmission wheel 22, a transmission shaft 23, and a lifting seat 21. The transmission wheel 22 and the worm gear 41 are connected in a transmission manner. One end of the transmission shaft 23 passes through the transmission wheel 22 and is fixedly connected to the transmission wheel 22. The other end of the transmission shaft 23 is threadedly connected to the lifting seat 21. The lifting seat 21 is slidably connected to the fixing assembly 10 and is limited to rotate by the fixing assembly 10. The drive assembly 40 is used to provide the power for adjustment. When the worm gear 41 rotates, the transmission wheel 22 meshing with it rotates synchronously, which in turn drives the transmission shaft 23 to move. The transmission shaft 23 is threadedly connected to the lifting seat 21. Therefore, when the transmission shaft 23 rotates, it should originally drive the lifting seat 21 to move. However, because the lifting seat 21 is limited by the connection with the fixing assembly 10, and the guide rib 124 inside the fixing seat 12 cooperates with the guide groove 212 on the outer periphery of the lifting seat 21, the lifting seat 21 can only move up and down along its axial direction. Therefore, the lifting seat 21 converts the rotational force provided by the transmission shaft 23 into an axial moving force, thereby lifting the refrigerator 200 to rise or lowering the refrigerator 200.
[0057] In this embodiment, the worm gear 41 can be driven manually or by a motor. When driven by a motor, a main control board, an operation board, and operation buttons can also be installed on it. The motor is communicatively connected to the main control board, and the main control board is communicatively connected to the operation board. The operation board is equipped with control buttons, which can be activated by touch. Then, based on the gaps between the refrigerator 200 and the left, right, and top of the cabinet, the main control board receives the signal from the control buttons (e.g., the up or down button) and adjusts the left and right motors in forward and reverse directions, thereby realizing the height and level adjustment of the refrigerator 200.
[0058] In another embodiment, the motor is connected to the main control board via communication. Four distance sensors are installed on the refrigerator 200, two located at the top and bottom of the refrigerator 200, and two symmetrically positioned on the left and right sides of the top of the refrigerator 200. The sensors communicate with the main control board. After the refrigerator 200 is embedded and installed in the cabinet, the main control program first compares the distances measured by the sensors on the top of the refrigerator 200. When the distance on the left is greater than that on the right, a command is issued to the right motor to rotate forward, driving the refrigerator height adjustment structure 100 to raise it. The motor stops working when the distance on the left matches the distance on the left. Then, the distance between the rear distance sensor and the wall is compared. When the distance on the upper side is greater than that on the lower side, the main control program issues a command to adjust the front motor to rotate forward. The front motor stops working when the upper and lower distances match.
[0059] Furthermore, a connecting key 231 is provided on the outer periphery of the drive shaft 23, and a keyway is provided on the inner wall of the drive wheel 22, with the connecting key 231 engaging with the keyway. This improves the connection strength between the drive shaft 23 and the drive wheel 22, preventing slippage and other problems.
[0060] Furthermore, in this embodiment, the housing 11 is connected to the bottom of the refrigerator 200 by multiple bolts, and the mounting base 12 is also connected to the housing 11 by at least two bolts. Besides the aforementioned screw connection, the mounting base 12 and the housing 11 can also be connected by welding or other methods.
[0061] Compared with the prior art, the present invention uses the lifting component 20 to raise or lower the refrigerator 200, and adds a limiting component 30 that is engaged with the lifting component 20. When the limiting component 30 abuts against the lifting component 20, it can ensure that the lifting component 20 is kept in the preset position and prevent the refrigerator 200 from shifting again during long-term use.
[0062] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0063] The embodiments described above are merely illustrative of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model patent should be determined by the appended claims.
Claims
1. A refrigerator height adjustment structure, installed at the bottom of the refrigerator, characterized in that, include: Fixing component (10) for fixed connection with the bottom of the refrigerator; The lifting assembly (20) is installed in the fixed assembly (10) and can rise or fall in the vertical direction, and the end of the lifting assembly (20) away from the bottom of the refrigerator is supported on the ground; The limiting component (30) is movably connected to the fixing component (10) and is movable relative to the side wall of the fixing component (10), and is configured to engage with the lifting component (20) in response to the descent of the lifting component (20) and to avoid the lifting component (20) in response to the ascent of the lifting component (20).
2. The refrigerator height adjustment structure according to claim 1, characterized in that, The lifting assembly (20) includes a lifting seat (21), and a limiting groove (211) is provided on the lifting seat (21); The limiting component (30) includes a limiting post (31) which is movable relative to the fixing component (10) and engages with the limiting groove (211).
3. The refrigerator height adjustment structure according to claim 2, characterized in that, The limiting post (31) has a first inclined surface (311) on the side facing away from the bottom of the refrigerator, and the limiting groove (211) has a second inclined surface (2111) on the side wall away from the bottom of the refrigerator. The first inclined surface (311) and the second inclined surface (2111) have the same inclination direction.
4. The refrigerator height adjustment structure according to claim 2, characterized in that, The limiting component (30) further includes an installation unit (32) and an elastic element (33). The installation unit (32) is connected to the fixing component (10). The installation unit (32) has a cavity (321) inside. The installation unit (32) has a through hole (322) on the side near the lifting component (20). A portion of the limiting post (31) is disposed in the cavity (321) and can move along the axial direction of the installation unit (32), and protrudes from the cavity (321) through the through hole (322). One end of the elastic element (33) abuts against the limiting post (31), and the other end abuts against the inner wall of the cavity (321) formed by the installation unit (32).
5. The refrigerator height adjustment structure according to claim 4, characterized in that, The installation unit (32) includes a first limiting seat (323) and a second limiting seat (324). The first limiting seat (323) is connected to the fixing component (10). A portion of the second limiting seat (324) is disposed in the first limiting seat (323). The first limiting seat (323) and the second limiting seat (324) are threadedly connected to form the installation unit (32).
6. The refrigerator height adjustment structure according to claim 4, characterized in that, The fixing component (10) includes a fixing seat (12), on which a limiting hole (121) and a reinforcing column (122) communicating with the limiting hole (121) are constructed. The reinforcing column (122) is hollow, and the mounting unit (32) is connected to the inner wall of the reinforcing column (122).
7. The refrigerator height adjustment structure according to claim 1, characterized in that, The fixing component (10) includes a fixing seat (12), which is hollow and forms a receiving cavity (123). The lifting component (20) includes a lifting seat (21), at least a portion of which is disposed in the receiving cavity (123). One of the inner wall of the accommodating cavity (123) and the outer wall of the lifting seat (21) is provided with a guide rib (124), and the other is provided with a guide groove (212). The guide rib (124) is confined in the guide groove (212).
8. The refrigerator height adjustment structure according to claim 7, characterized in that, The fixing component (10) also includes a housing (11), and the lifting component (20) also includes an adjusting foot (24). The adjusting foot (24) is connected to the side of the lifting seat (21) away from the bottom of the refrigerator. The housing (11) is fixedly connected to the bottom of the refrigerator, and the fixing seat (12) is connected to the housing (11).
9. The refrigerator height adjustment structure according to claim 1, characterized in that, The refrigerator height adjustment structure also includes a drive assembly (40), which includes a worm gear (41). The lifting assembly (20) includes a transmission wheel (22), a transmission shaft (23), and a lifting seat (21). The transmission wheel (22) and the worm gear (41) are connected in a transmission manner. One end of the transmission shaft (23) passes through the transmission wheel (22) and is fixedly connected to the transmission wheel (22). The other end of the transmission shaft (23) is threadedly connected to the lifting seat (21). The lifting seat (21) is slidably connected to the fixing assembly (10) and is limited to rotation by the fixing assembly (10).
10. The refrigerator height adjustment structure according to claim 9, characterized in that, A connecting key (231) is provided on the outer periphery of the drive shaft (23), and a keyway is provided on the inner wall of the drive wheel (22), and the connecting key (231) is engaged with the keyway.