Vibration isolation device and refrigerator

Abstract

The utility model provides a vibration isolation device and a refrigerator, the vibration isolation device performs vibration isolation between a compressor and a bottom plate of the refrigerator, and the vibration isolation device comprises a middle platform arranged between the compressor and the bottom plate; the first elastic piece is connected between the compressor and the middle platform; the second elastic piece is connected between the bottom plate and the middle platform; a containing cavity is formed in the position, connected with the second elastic piece, of the middle platform, and the containing cavity is used for at least partially containing the second elastic piece. Therefore, a good vibration isolation effect is guaranteed, it is ensured that the size is suitable for being applied to the refrigerator, the modal problem can be prevented, and abnormal noise generated by coupling with the vibration frequency of the compressor can be overcome.

Description

Technical Field

[0001] This utility model relates to the field of vibration isolation technology, and in particular to a vibration isolation device and a refrigerator. Background Technology

[0002] Traditional refrigerators and their compressors typically employ a primary vibration isolation device consisting of a single rubber pad. This is intended to prevent vibrations generated by the compressor from being transmitted to the refrigerator's base or other related components, thus preventing potential noise issues. However, the vibration isolation effect of a primary isolation device consisting of a single rubber pad is often lower than expected. Furthermore, the primary isolation device can still easily couple with the base's modes, generating noise and potentially increasing refrigerator noise levels, thus affecting the user experience.

[0003] Regarding the aforementioned noise problem, if a secondary vibration isolation device is used to replace the primary vibration isolation device, the complexity of the secondary device's structure and its large overall space occupation still exist, making it difficult to apply in refrigerators. Furthermore, even with a secondary vibration isolation device, modal issues may still exist on the intermediate platform, potentially causing coupling with the compressor's vibration frequency and generating abnormal noise.

[0004] Therefore, there is a market demand for vibration isolation devices that have good vibration isolation performance, are sized for use in refrigerators, can prevent modal problems, and can overcome abnormal noises caused by coupling with the vibration frequency of the compressor. Utility Model Content

[0005] The technical problem to be solved by this utility model is to provide a vibration isolation device and a refrigerator that ensures good vibration isolation effect, ensures that the size is suitable for application in refrigerators, prevents modal problems, and overcomes abnormal noise caused by coupling with the vibration frequency of the compressor.

[0006] The present invention solves the above-mentioned technical problems through the following technical solution:

[0007] A vibration isolation device is provided between the compressor and the base plate of a refrigerator to isolate vibration. The vibration isolation device further includes:

[0008] The intermediate platform is located between the compressor and the base plate.

[0009] The first elastic element is connected between the compressor and the intermediate platform;

[0010] The second elastic element is connected between the base plate and the intermediate platform;

[0011] The intermediate platform has a receiving cavity at the position where it connects to the second elastic member, and the receiving cavity is used to at least partially accommodate the second elastic member.

[0012] In this solution, the vibration isolation device is a two-stage vibration isolation device that isolates vibration between the refrigerator's compressor and base plate, exhibiting excellent vibration isolation performance. Specifically, this two-stage vibration isolation device utilizes a first elastic element positioned between the compressor and the intermediate platform, and a second elastic element positioned between the base plate and the intermediate platform to achieve secondary vibration isolation. Furthermore, a receiving cavity is provided on the intermediate platform between the compressor and the base plate at the location where it connects to the second elastic element. This receiving cavity at least partially accommodates the second elastic element, thereby reducing the thickness occupied by the second elastic element in the total thickness of the two-stage vibration isolation device and ensuring that the dimensions of the vibration isolation device are suitable for application in a refrigerator.

[0013] Furthermore, the receiving cavity also serves as a reinforcing structure on the intermediate platform; in other words, by forming the receiving cavity in the structure, the intermediate platform correspondingly has walls and bottom surfaces for forming the receiving cavity. The aforementioned walls and bottom surfaces increase the structural stiffness of the intermediate platform, and the aforementioned increase in the structural stiffness of the intermediate platform also correspondingly increases the natural frequency of the intermediate platform, thereby overcoming the problem of abnormal noise caused by the resonance of the intermediate platform due to the vibration of the compressor.

[0014] Preferably, the intermediate platform is provided with a folding portion extending toward the base plate; and / or, the intermediate platform is provided with a folding portion extending toward the compressor.

[0015] In this solution, by setting a folding part extending toward the base plate and / or a folding part extending toward the compressor, the folding part further improves the structural rigidity of the intermediate platform and further increases the natural frequency of the intermediate platform, thereby better overcoming the abnormal noise problem caused by the resonance of the intermediate platform due to the vibration of the compressor.

[0016] Preferably, a reinforcing section is provided at the position with the largest amplitude on the intermediate platform.

[0017] In this design, the position with the largest amplitude on the intermediate platform is also the position on the intermediate platform most prone to resonance. By setting a reinforcing part at the position with the largest amplitude on the intermediate platform, the stiffness of the intermediate platform is improved, and the natural frequency of the intermediate platform is correspondingly increased, thereby better overcoming the abnormal noise problem caused by the resonance of the intermediate platform due to the vibration of the compressor.

[0018] Preferably, the reinforcing part is formed by the middle platform being recessed towards the bottom plate.

[0019] In this design, the reinforcing section is formed by the intermediate platform being recessed towards the base plate; that is, the reinforcing section is formed by the intermediate platform itself being recessed towards the base plate. In this manner, the formation of the reinforcing section is convenient and simple, and easily applied in production.

[0020] Preferably, the vibration isolation device includes at least two first elastic elements, which are bridged by a connecting plate. The compressor rests against the connecting plate and is connected to the intermediate platform through the connecting plate and the first elastic elements.

[0021] In this scheme, the two first elastic elements are bridged by a connecting plate. The compressor rests against the connecting plate and is connected to the intermediate platform through the connecting plate and the first elastic elements. This ensures that the two first elastic elements distribute the vibration of the compressor evenly, avoiding tilting or swaying that may be caused by uneven vibration distribution, thereby ensuring the vibration isolation effect.

[0022] Preferably, a first slot is provided on the connecting plate, and a first elastic element passes through the first slot; and / or, a second slot is provided in the receiving cavity, and a second elastic element passes through the second slot.

[0023] In this solution, the connecting plate has a first slot and / or the receiving cavity has a second slot, which provides a convenient way to install the first elastic element and / or the second elastic element. Installation can be achieved by passing the first elastic element and / or the second elastic element through the corresponding first slot and / or second slot.

[0024] Preferably, the first elastic element is columnar, and the radial side of the first elastic element is partially recessed inward to form a first limiting segment, the size and shape of the first limiting segment matching the size and shape of the first slot.

[0025] And / or, the second elastic element is columnar, and the radial side of the second elastic element is partially recessed inward to form a second limiting segment, the size and shape of the second limiting segment matching the size and shape of the second slot.

[0026] In this design, the first elastic element and / or the second elastic element are columnar, with a first limiting segment and / or a second limiting segment correspondingly provided thereon. The first limiting segment and / or the second limiting segment are matched in size and shape with the first slot and / or the second slot. The aforementioned "matching" means that the first limiting segment and / or the second limiting segment are equal to or slightly larger than the size of the first slot and / or the second slot, thereby ensuring that the first limiting segment and / or the second limiting segment can be correspondingly engaged in the first slot and / or the second slot, guaranteeing a stable connection.

[0027] Preferably, the second slot is composed of a through hole and a locking hole, and after the second elastic member is inserted into the through hole, it is locked into the locking hole by the movement of the second limiting segment.

[0028] In this design, the second slot is further composed of a through hole and a locking hole. After the second elastic member is inserted into the through hole, it is locked into the locking hole by the movement of the second limiting segment. Thus, the cooperation between the locking hole and the second limiting segment ensures a more stable connection.

[0029] Preferably, the intermediate platform is made of a material with a density of not less than 7.86 g / cm³. 3 It is made of materials.

[0030] In this scheme, a density of not less than 7.86 g / cm³ is used. 3 The intermediate platform is made of a material that provides sufficient rigidity, thereby preventing resonance caused by compressor vibration at the material level.

[0031] A refrigerator includes a compressor and a base plate, and the refrigerator also includes the aforementioned vibration isolation device.

[0032] In this solution, the refrigerator, including the compressor and the base plate, is equipped with any of the above-mentioned vibration isolation devices, which ensures good vibration isolation effect, ensures that the size is suitable for application in the refrigerator, prevents modal problems, and overcomes abnormal noise caused by coupling with the vibration frequency of the compressor.

[0033] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0034] The positive and progressive effects of this utility model are as follows: the vibration isolation device in this utility model ensures a good vibration isolation effect, ensures that its size is suitable for application in refrigerators, and enables refrigerators containing it to prevent modal problems and overcome abnormal noises caused by coupling with the vibration frequency of the compressor. Attached Figure Description

[0035] Figure 1 This is a three-dimensional structural diagram of a vibration isolation device and a compressor according to an embodiment of the present invention;

[0036] Figure 2 This is a side view of the vibration isolation device and compressor according to an embodiment of the present invention, wherein the base plate is... Figure 2 Removed from the displayed status;

[0037] Figure 3 This is a three-dimensional structural schematic diagram of a vibration isolation device according to an embodiment of the present invention;

[0038] Figure 4This is another three-dimensional structural diagram of a vibration isolation device according to an embodiment of the present invention, wherein the connecting plate and the first elastic member of the vibration isolation device are in... Figure 4 It has been removed from the displayed state.

[0039] Explanation of reference numerals in the attached figures:

[0040] Vibration isolation device 100

[0041] Compressor 1

[0042] Intermediate Platform 2

[0043] Base plate 3

[0044] First elastic element 10

[0045] First limiting segment 11

[0046] Second elastic element 20

[0047] Second limiting segment 21

[0048] Reception cavity 30

[0049] Folding section 40

[0050] Strengthening Department 50

[0051] Connecting plate 60

[0052] First slot 70

[0053] Positioning hole 71

[0054] Second slot 80

[0055] Through hole 81

[0056] Locking hole 82 Detailed Implementation

[0057] The present invention will be further described below by way of embodiments, but the present invention is not limited to the scope of the embodiments.

[0058] like Figure 1-4 As shown, this embodiment provides a vibration isolation device 100, which isolates vibration between the refrigerator compressor 1 and the base plate 3. The vibration isolation device 100 also includes:

[0059] Intermediate platform 2 is located between compressor 1 and base plate 3;

[0060] The first elastic element 10 is connected between the compressor 1 and the intermediate platform 2;

[0061] The second elastic element 20 is connected between the base plate 3 and the intermediate platform 2;

[0062] The intermediate platform 2 is provided with a receiving cavity 30 at the position where it is connected to the second elastic member 20. The receiving cavity 30 is used to at least partially accommodate the second elastic member 20.

[0063] In practical implementation, the vibration isolation device 100 is a secondary vibration isolation device 100 that isolates vibration between the compressor 1 and the base plate 3 of a refrigerator, and its vibration isolation effect is good. Specifically, the secondary vibration isolation device 100 utilizes a first elastic member 10 disposed between the compressor 1 and the intermediate platform 2 and a second elastic member 20 disposed between the base plate 3 and the intermediate platform 2 to achieve secondary vibration isolation. In addition, a receiving cavity 30 is provided on the intermediate platform 2 between the compressor 1 and the base plate 3 at the position connected to the second elastic member 20. The receiving cavity 30 at least partially accommodates the second elastic member 20, thereby reducing the thickness occupied by the second elastic member 20 in the total thickness of the secondary vibration isolation device 100 and ensuring that the size of the vibration isolation device 100 is suitable for application in a refrigerator. In this embodiment, the receiving cavity 30 is actually obtained by rolling the entire intermediate platform 2, thereby providing a simpler implementation scheme that is beneficial to production. However, those skilled in the art can also choose to manufacture the receiving cavity 30 by other manufacturing methods commonly used in the art, such as cutting, according to actual needs, and this embodiment does not limit this.

[0064] Furthermore, the receiving cavity 30 also serves as a structural reinforcement on the intermediate platform 2; in other words, by forming the receiving cavity 30 in the structure, the intermediate platform 2 correspondingly has walls and bottom surfaces for forming the receiving cavity 30. The aforementioned walls and bottom surfaces increase the structural rigidity of the intermediate platform 2, and the aforementioned increase in the structural rigidity of the intermediate platform 2 also correspondingly increases the natural frequency of the intermediate platform 2, thereby overcoming the problem of abnormal noise caused by the resonance of the intermediate platform 2 due to the vibration of the compressor 1.

[0065] like Figure 1-4 As shown, the intermediate platform 2 is provided with a folding part 40 extending toward the base plate 3.

[0066] In specific implementation, by providing a folding portion 40 extending towards the base plate 3, the folding portion 40 further improves the structural rigidity of the intermediate platform 2, and the natural frequency of the intermediate platform 2 is further increased, thereby better overcoming the abnormal noise problem caused by the resonance of the intermediate platform 2 due to the vibration of the compressor 1. As an alternative implementation, those skilled in the art can also choose to provide a folding portion 40 extending towards the compressor 1 on the intermediate platform 2, which can also improve the structural rigidity of the intermediate platform 2; it should be noted that when providing a folding portion 40 extending towards the compressor 1 on the intermediate platform 2, the shape of the folding portion 40 needs to be specifically adjusted to avoid the compressor 1 colliding with the folding portion 40.

[0067] Furthermore, in this embodiment, the reinforcing part 50 is obtained by folding the end of the intermediate platform 2, thus providing a simpler implementation scheme that is beneficial to production. However, in actual production, those skilled in the art can also choose to connect the folded part 40 to the intermediate platform 2 through common connection methods in the art, such as welding, threaded connection, or hinge, and this embodiment does not limit this.

[0068] like Figure 1-4 As shown, a reinforcing part 50 is provided at the position with the largest amplitude on the intermediate platform 2.

[0069] In practical implementation, the position with the largest amplitude on the intermediate platform 2 is also the position on the intermediate platform 2 most prone to resonance. By providing a reinforcing part 50 at the position with the largest amplitude on the intermediate platform 2, the stiffness of the intermediate platform 2 is improved, and the natural frequency of the intermediate platform 2 is correspondingly increased, thereby better overcoming the abnormal noise problem caused by the resonance of the intermediate platform 2 due to the vibration of the compressor 1. In this embodiment, the position with the largest amplitude on the intermediate platform 2 is located in the middle of the intermediate platform 2. However, it should be noted that in practical applications, this position with the largest amplitude needs to be selected through simulation or actual testing, and its specific position does not need to be limited to the middle of the intermediate platform 2.

[0070] like Figure 1-4 As shown, the reinforcing part 50 is formed by the middle platform 2 being recessed towards the base plate 3.

[0071] In practical implementation, the reinforcing part 50 is formed by the intermediate platform 2 being recessed towards the base plate 3, that is, the reinforcing part 50 is formed by the intermediate platform 2 itself being recessed towards the base plate 3 in shape. Under the aforementioned method, the formation of the reinforcing part 50 is convenient and simple, and it is easy to apply in production.

[0072] It should be noted that, in this embodiment, as Figure 4 As shown, the reinforcing portion 50 is disposed in the middle of the intermediate platform 2 and extends from one end of the intermediate platform 2 to the other end along the length direction L of the intermediate platform 2. In other alternative embodiments, multiple reinforcing portions 50 may be provided, and the multiple reinforcing portions 50 may be spaced apart along the length direction L of the intermediate platform 2. Optionally or alternatively, multiple reinforcing portions 50 may be provided, and the multiple reinforcing portions 50 may be spaced apart along the width direction W of the intermediate platform 2. Figure 4 The diagram schematically shows the length direction L and the width direction W.

[0073] like Figure 1-4As shown, the vibration isolation device 100 includes at least two first elastic elements 10, which are bridged by a connecting plate 60. The compressor 1 rests against the connecting plate 60 and is connected to the intermediate platform 2 through the connecting plate 60 and the first elastic elements 10.

[0074] In practical implementation, the two first elastic elements 10 are bridged by a connecting plate 60. The compressor 1 rests against the connecting plate 60, and the compressor 1 is connected to the intermediate platform 2 through the connecting plate 60 and the first elastic elements 10. This ensures that the two first elastic elements 10 distribute the vibration of the compressor 1 evenly, avoiding tilting or swaying that may be caused by uneven vibration distribution, thus ensuring the vibration isolation effect. In this embodiment, in order to conform to the shape of the bottom of the compressor 1, the part of the connecting plate 60 facing the compressor 1 has been adjusted accordingly. It should be noted that the shape of the connecting plate 60 in this embodiment corresponds to the bottom shape of the specific compressor 1 in this embodiment. When other shapes or compressors 1 with different bottom shapes are used, those skilled in the art should realize that the shape of the connecting plate 60 needs to be adjusted simultaneously.

[0075] like Figure 1-4 As shown, the connecting plate 60 has a first slot 70, and the first elastic member 10 passes through the first slot 70; and the receiving cavity 30 has a second slot 80, and the second elastic member 20 passes through the second slot 80.

[0076] In specific implementation, the connecting plate 60 is provided with a first slot 70 and the receiving cavity 30 is provided with a second slot 80, thereby providing a convenient way to set the first elastic member 10 and the second elastic member 20. The installation can be achieved by passing the first elastic member 10 and the second elastic member 20 through the corresponding first slot 70 and second slot 80.

[0077] like Figure 1-4 As shown, the first elastic member 10 is columnar, and the radial side of the first elastic member 10 is partially recessed inward to form a first limiting segment 11. The size and shape of the first limiting segment 11 match the size and shape of the first slot 70.

[0078] Furthermore, the second elastic member 20 is columnar, and the radial side of the second elastic member 20 is partially recessed inward to form a second limiting segment 21, the size and shape of the second limiting segment 21 matching the size and shape of the second slot 80.

[0079] Furthermore, a positioning hole 71 is provided on the intermediate platform 2. The positioning hole 71 is located at the position where the first elastic element 10 is connected to the intermediate platform 2, thus providing positional guidance for the installation of the first elastic element 10. Even further, a bolt (not shown in the figure) is provided in the positioning hole 71, thereby using the bolt to fix the first elastic element 10 to the intermediate platform 2.

[0080] In specific implementation, the first elastic member 10 and the second elastic member 20 are columnar, with a first limiting segment 11 and a second limiting segment 21 correspondingly provided on them. The first limiting segment 11 and the second limiting segment 21 are matched with the size and shape of the first slot 70 and the second slot 80. The aforementioned "matching" means that the size of the first limiting segment 11 and the second limiting segment 21 is equal to or slightly larger than the size of the first slot 70 and the second slot 80, thereby enabling the first limiting segment 11 and / or the second limiting segment 21 to be correspondingly engaged in the first slot 70 and the second slot 80, ensuring a stable connection. In this embodiment, both the first elastic member 10 and the second elastic member 20 are columnar, thus adapting to the circular hole-shaped first slot 70 and the second slot 80. However, it should be noted that the specific shapes of the first slot 70 and the second slot 80 can be adjusted to square holes or polygonal holes or other common connecting holes in the art according to actual needs. In this case, the orthographic projection cross-sectional shapes of the first elastic member 10 and the second elastic member 20 also need to be adjusted accordingly.

[0081] like Figure 1-4 As shown, the second slot 80 is composed of a through hole 81 and a locking hole 82. After the second elastic member 20 passes through the through hole 81, it is locked into the locking hole 82 by the movement of the second limiting segment 21.

[0082] In specific implementation, the second slot 80 is further composed of a through hole 81 and a locking hole 82. After the second elastic member 20 passes through the through hole 81, it is locked into the locking hole 82 by the movement of the second limiting segment 21. Thus, the cooperation of the locking hole 82 and the second limiting segment 21 is used to ensure a more stable connection.

[0083] As a preferred configuration, the intermediate platform 2 is composed of materials with a density of 7.86 g / cm³. 3 It is made of materials.

[0084] In practical implementation, a density of 7.86 g / cm³ is used. 3 The intermediate platform 2 is made of a material that provides sufficient rigidity, thereby preventing resonance caused by the vibration of the compressor 1. Specifically, the material used in this embodiment is iron, with a density of 7.86 g / cm³. 3However, in practical applications, those skilled in the art can also use copper (with a density of 8.86 g / cm³). 3 Other substances with a density greater than 7.86 g / cm³ 3 The materials are used to make the intermediate platform 2, thereby achieving a similar effect.

[0085] This embodiment also provides a refrigerator (not shown in the figure), which includes a compressor 1, a base plate 3 and the above-mentioned vibration isolation device 100.

[0086] In practical implementation, the refrigerator, including the compressor 1 and the base plate 3, is equipped with any of the above-mentioned vibration isolation devices 100, which ensures good vibration isolation effect, ensures that the size is suitable for application in the refrigerator, can prevent modal problems, and can overcome the abnormal noise caused by coupling with the vibration frequency of the compressor 1.

[0087] While specific embodiments of this utility model have been described above, those skilled in the art should understand that these are merely illustrative examples, and the scope of protection of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the scope of protection of this utility model.

Claims

1. A vibration isolation device that isolates vibration between a compressor and a bottom plate of a refrigerator, characterized by, The vibration isolation device comprises: an intermediate platform arranged between the compressor and the bottom plate; a first elastic member connected between the compressor and the intermediate platform; a second elastic member connected between the bottom plate and the intermediate platform; wherein a receiving cavity is arranged on the intermediate platform at a position connected with the second elastic member, and the receiving cavity is used for at least partially accommodating the second elastic member.

2. The vibration isolation device of claim 1, wherein The intermediate platform is provided with a folding portion extending towards the bottom plate; and / or the intermediate platform is provided with a folding portion extending towards the compressor.

3. The vibration isolation device of claim 1, wherein A reinforcing portion is arranged at a position with the largest amplitude on the intermediate platform.

4. The vibration isolation device of claim 3, wherein The reinforcing portion is formed by the intermediate platform being recessed towards the bottom plate.

5. The vibration isolation device of claim 1, wherein The vibration isolation device comprises at least two first elastic members, and the at least two first elastic members are bridged by a connecting plate, the compressor abuts against the connecting plate, and the compressor is connected with the intermediate platform through the connecting plate, the first elastic members and the second elastic members.

6. The vibration isolation device of claim 5, wherein A first slot hole is arranged on the connecting plate, and the first elastic member is arranged in the first slot hole; and / or a second slot hole is arranged in the receiving cavity, and the second elastic member is arranged in the second slot hole.

7. The vibration isolation device of claim 6, wherein The first elastic member is in a columnar shape, a radial side surface of the first elastic member is partially inwardly indented and forms a first limiting section, and the size and shape of the first limiting section are matched with the size and shape of the first slot hole; and / or the second elastic member is in a columnar shape, a radial side surface of the second elastic member is partially inwardly indented and forms a second limiting section, and the size and shape of the second limiting section are matched with the size and shape of the second slot hole.

8. The vibration isolation device of claim 7, wherein The second slot hole is composed of a through hole and a locking hole, and after the second elastic member is arranged in the through hole, the second elastic member is clamped into the locking hole through the movement of the second limiting section.

9. The vibration isolation device of any one of claims 1-8, wherein, The intermediate platform is made of a material having a density not less than 7.86 g / cm 3 .

10. A refrigerator comprising a compressor and a bottom plate, characterized by The refrigerator further comprises the vibration isolation device according to any one of claims 1-9.

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