Vibration isolator, vibration isolation base and air conditioning unit

Abstract

The utility model provides a vibration isolator, a vibration isolation base and an air conditioning unit. The vibration isolator comprises two oppositely-arranged mounting plates, one mounting plate is used for being connected with a device to be subjected to vibration reduction, and the other mounting plate is used for being connected with the ground or a datum plane. At least part of the connecting structure is movably arranged, and the connecting structure is connected with the two mounting plates; the elastic structure is arranged between the two mounting plates; the central axis L1 of the elastic structure is obliquely arranged relative to the central axis L of the vibration isolator, and the central axis L of the vibration isolator is perpendicular to the ground or the datum plane. The vibration isolator effectively solves the problem that the vibration isolation effect of the vibration isolator is affected due to the fact that the vibration isolator in the prior art cannot provide transverse rigidity support.

Description

Technical Field

[0001] This utility model relates to the field of vibration isolator technology, specifically to a vibration isolator, a vibration isolation base, and an air conditioning unit. Background Technology

[0002] Currently, in the field of existing mechanical vibration isolation technology, vibration isolators typically adopt a design combining upper and lower bases with vertical springs, aiming to reduce equipment displacement caused by ground vibration or equipment vibration itself.

[0003] However, when the equipment is subjected to lateral vibration or tilting loads, traditional vibration isolators cannot effectively provide sufficient lateral stiffness support, which may cause excessive horizontal displacement of the equipment, increasing the risk of equipment damage and reducing the vibration isolation effect. Utility Model Content

[0004] The main purpose of this utility model is to provide a vibration isolator, a vibration isolation base, and an air conditioning unit to solve the problem that the vibration isolator in the prior art cannot provide lateral stiffness support, thus affecting its vibration isolation effect.

[0005] To achieve the above objectives, according to one aspect of the present invention, a vibration isolator is provided, comprising: two mounting plates disposed opposite to each other, one mounting plate for connecting to a device to be vibration-damped, and the other mounting plate for connecting to the ground or a reference surface; a connecting structure, at least part of which is movably disposed, the connecting structure connecting the two mounting plates; and an elastic structure disposed between the two mounting plates; wherein the central axis L1 of the elastic structure is inclined relative to the central axis L of the vibration isolator, and the central axis L of the vibration isolator is perpendicular to the ground or reference surface.

[0006] By applying the technical solution of this utility model, the central axis L1 of the elastic structure is inclined relative to the central axis L of the vibration isolator, which can significantly increase the lateral (i.e., horizontal) stiffness of the vibration isolator, thereby improving its lateral stability and preventing excessive swaying under lateral vibration or impact loads. This ensures the stable operation of the isolated equipment and solves the problem in the prior art where the vibration isolator cannot provide lateral stiffness support, thus affecting its vibration isolation effect. This improves the vibration isolation effect and seismic performance of the vibration isolator. Simultaneously, by inclining the central axis L1 of the elastic structure, the dynamic response characteristics of the elastic structure can be optimized, resulting in better performance of the vibration isolator in low-frequency vibration isolation.

[0007] Furthermore, the two mounting plates include a first mounting plate and a second mounting plate, with the first mounting plate positioned above the second mounting plate. The elastic structure has a first end connected to the first mounting plate and a second end connected to the second mounting plate, with the first end positioned closer to the central axis L of the isolator than the second end. By bringing the first end of the elastic structure closer to the central axis L of the isolator, the stiffness distribution of the isolator in the vertical direction becomes more concentrated, thus providing a more direct and effective vibration isolation effect when subjected to vertical vibrations or loads. Simultaneously, the first and second mounting plates are positioned opposite each other, and the first and second ends of the elastic structure are fixedly connected to them respectively, thereby simplifying the installation process of the isolator and providing a clear positioning reference, facilitating on-site installation and adjustment.

[0008] Furthermore, the angle A between the central axis L1 of the elastic structure and the central axis L of the vibration isolator is greater than or equal to 5° and less than or equal to 15°; and / or, there are multiple elastic structures, which are spaced around the connecting structure; and / or, the elastic structure is a spring. The aforementioned setting of the tilt angle A allows the elastic structure to exert a greater resistance to lateral (horizontal) vibration or impact loads than a vertically positioned structure, effectively increasing the lateral stiffness of the vibration isolator, reducing lateral displacement and swaying of the equipment, and enhancing system stability. Simultaneously, a tilt angle of 5° to 15° optimizes the vibration isolator's frequency response curve, resulting in a more significant isolation effect for low-frequency vibrations. The elastic effect of the spring can more effectively absorb and dissipate vibration energy, especially in the low-frequency region, providing better vibration isolation. In addition, the arrangement of multiple springs can be adjusted according to specific application requirements, such as different spring stiffnesses, numbers, and arrangements, to adapt to different equipment weights, vibration frequencies, and environmental conditions, ensuring that the vibration isolator exhibits good vibration isolation performance under various operating conditions.

[0009] Furthermore, the vibration isolator also includes: a buffer structure, with its two ends connected to two mounting plates respectively; wherein the buffer structure is located outside the elastic structure; and / or, the extension direction of the buffer structure is inclined relative to the surface of the mounting plate; and / or, the buffer structure is a hydraulic damper or a viscous damper. The inclined buffer structure, when the equipment is subjected to impact, can dissipate more energy through the additional friction or deformation generated by its tilt angle, thus enabling the vibration isolator to more effectively control the transmission of vibration energy when facing sudden, unexpected vibrations or impacts, protecting the equipment from damage. Simultaneously, the combination of the buffer structure and the elastic structure can optimize the response characteristics of the vibration isolator, especially when dealing with complex vibrations, providing more comprehensive vibration isolation protection and ensuring the safe and stable operation of the equipment under multi-directional vibration.

[0010] Furthermore, the mounting plate is a polygonal plate, and there are multiple buffer structures, the number of which matches the number of sides of the polygonal plate. Each side of the polygonal plate corresponds to a specific buffer structure; the two ends of each buffer structure are connected to two sides on the same side of the two polygonal plates, respectively. Because the number of buffer structures matches the number of sides of the polygonal plate, this means the vibration isolator can form a closed protective ring around the equipment, providing all-around vibration isolation and protection. Regardless of the direction from which vibration enters, it can be effectively controlled and dissipated. At the same time, using a polygonal plate and matching buffer structures allows for a more optimized vibration isolation design within a limited space.

[0011] Furthermore, the mounting plate has positioning grooves located on its edges and extending through its surface and sides. These positioning grooves provide a precise positioning reference for the vibration isolator installation. During installation, matching positioning pins or devices ensure accurate alignment of the vibration isolator's mounting plate in three-dimensional space (X, Y, and Z axes), thereby improving the overall installation accuracy and efficiency.

[0012] Furthermore, the connection structure includes: a sleeve connected to a mounting plate; and a connecting shaft, one end of which is connected to another mounting plate, the other end of which extends retractably into the sleeve. The connecting shaft can extend and retract within the sleeve, thus allowing the vibration isolator a certain range of vertical displacement. Simultaneously, the aforementioned arrangement of the sleeve limits the maximum vertical displacement of the vibration isolator, ensuring that the springs and dampers are not excessively compressed and damaged in the event of unexpected loads or overloads.

[0013] Furthermore, the connecting structure includes: a base connected to a mounting plate, the upper surface of the base having a first curved surface; a sliding part slidably disposed on the base, the lower surface of the sliding part having a second curved surface adapted to the first curved surface; a pad located between the base and the sliding part; and a guide rod cooperating with the sliding part to guide the sliding direction of the sliding part; wherein the extension direction of the guide rod is consistent with the sliding direction of the sliding part. The sliding part and the base, through the surface cooperation of the first and second curved surfaces, allow the sliding part to slide freely in the horizontal direction. This design can adapt to the horizontal displacement of the equipment, effectively control horizontal vibration, and improve the stability of equipment operation. Simultaneously, the pad, located between the base and the sliding part, can dissipate vibration energy through the inherent properties of the material (such as viscoelasticity and plastic deformation), playing a damping role and reducing vibration transmission.

[0014] According to another aspect of the present invention, a vibration isolation base is provided, comprising: a frame assembly; a vibration isolator disposed on the frame assembly and located below the frame assembly; wherein the vibration isolator is the aforementioned vibration isolator, and the vibration reduction device is the frame assembly.

[0015] According to another aspect of the present invention, an air conditioning unit is provided, including the above-mentioned vibration isolation base. Attached Figure Description

[0016] The accompanying drawings, which form part of this application, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an undue limitation of the present invention. In the drawings:

[0017] Figure 1 A front view of a first embodiment of the vibration isolator according to the present invention is shown;

[0018] Figure 2 It shows Figure 1 Top view of the vibration isolator in the middle;

[0019] Figure 3 A top view of the connection structure of a second embodiment of the vibration isolator according to the present invention is shown;

[0020] Figure 4 It shows Figure 3 The main view of the connection structure in the image;

[0021] Figure 5 A three-dimensional structural schematic diagram of the frame assembly of the vibration isolation base according to the present invention is shown.

[0022] The above figures include the following reference numerals:

[0023] 10. Mounting plate; 11. First mounting plate; 12. Second mounting plate; 13. Positioning groove;

[0024] 20. Connecting structure; 21. Sleeve; 22. Connecting shaft; 23. Base; 24. Sliding part; 25. Gasket; 26. Guide rod;

[0025] 30. Elastic structure; 31. First end; 32. Second end;

[0026] 40. Buffer structure;

[0027] 50. Frame components; 51. Frame; 52. Base plate. Detailed Implementation

[0028] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0029] It should be noted that, unless otherwise specified, 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 pertains.

[0030] In this utility model, unless otherwise stated, directional terms such as "upper" and "lower" are generally used in relation to the direction shown in the accompanying drawings, or in relation to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" are generally used in relation to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0031] To address the problem that existing vibration isolators cannot provide lateral stiffness support, thus affecting their vibration isolation effect, this application provides a vibration isolator, a vibration isolation base, and an air conditioning unit.

[0032] Example 1

[0033] like Figure 1 and Figure 2 As shown, the vibration isolator includes two opposing mounting plates 10, a connecting structure 20, and an elastic structure 30. One mounting plate 10 is used to connect to the device to be vibration-damped, and the other mounting plate 10 is used to connect to the ground or a reference surface. At least a portion of the connecting structure 20 is movably disposed, connecting the two mounting plates 10. The elastic structure 30 is disposed between the two mounting plates 10. The central axis L1 of the elastic structure 30 is inclined relative to the central axis L of the vibration isolator, and the central axis L of the vibration isolator is perpendicular to the ground or reference surface.

[0034] By applying the technical solution of this embodiment, the central axis L1 of the elastic structure 30 is inclined relative to the central axis L of the vibration isolator, which can significantly increase the lateral (i.e., horizontal) stiffness of the vibration isolator, thereby improving its lateral stability and preventing excessive swaying under lateral vibration or impact loads. This ensures the stable operation of the isolated equipment and solves the problem in the prior art where the vibration isolator cannot provide lateral stiffness support, thus affecting its vibration isolation effect. This improves the vibration isolation effect and seismic performance of the vibration isolator. Simultaneously, by inclining the central axis L1 of the elastic structure 30, the dynamic response characteristics of the elastic structure can be optimized, resulting in better performance of the vibration isolator in low-frequency vibration isolation.

[0035] like Figure 1As shown, the two mounting plates 10 include a first mounting plate 11 and a second mounting plate 12, with the first mounting plate 11 positioned above the second mounting plate 12. The elastic structure 30 has a first end 31 connected to the first mounting plate 11 and a second end 32 connected to the second mounting plate 12. The first end 31 is positioned closer to the central axis L of the isolator than the second end 32. By bringing the first end 31 of the elastic structure 30 closer to the central axis L of the isolator, the stiffness distribution of the isolator in the vertical direction becomes more concentrated, thus providing a more direct and effective vibration isolation effect when subjected to vertical vibrations or loads. Simultaneously, the first mounting plate 11 and the second mounting plate 12 are positioned opposite each other, and the first end 31 and the second end 32 of the elastic structure 30 are fixedly connected to them, thereby simplifying the installation process of the isolator and providing a clear positioning reference, facilitating on-site installation and adjustment.

[0036] In this embodiment, when the first mounting plate 11 (located above) is subjected to a horizontal force, the first end 31 of the elastic structure 30 is closer to the central axis L, which allows the elastic structure 30 to produce a larger angle change in the horizontal direction. This increases the horizontal adjustment capability and adaptability of the vibration isolator, helping to control the influence of horizontal vibration. The first mounting plate 11 and the second mounting plate 12 are arranged parallel to each other.

[0037] Optionally, the angle A between the central axis L1 of the elastic structure 30 and the central axis L of the vibration isolator is greater than or equal to 5° and less than or equal to 15°. This tilt angle A allows the elastic structure 30 to exert greater resistance to lateral (horizontal) vibration or impact loads than a vertically positioned structure, effectively increasing the lateral stiffness of the vibration isolator, reducing lateral displacement and swaying of the equipment, and enhancing system stability. Simultaneously, a tilt angle of 5° to 15° optimizes the vibration isolation frequency response curve of the vibration isolator, resulting in a more significant isolation effect for low-frequency vibrations.

[0038] In this embodiment, the angle A between the central axis L1 of the elastic structure 30 and the central axis L of the vibration isolator is 10°. Thus, after the vibration isolator is subjected to vibration or impact, the elastic structure 30 at the tilt angle A exerts a certain restoring force in the horizontal direction, allowing it to return to its initial position more quickly. This facilitates the rapid self-resetting of the vibration isolator and reduces the time required for the equipment to return to normal operation. Simultaneously, the aforementioned tilt angle A can, to some extent, prevent over-compression of the elastic structure 30 under extreme loads, providing additional limiting protection and preventing damage to the vibration isolator under overload conditions, ensuring the long-term stability and reliability of the system.

[0039] It should be noted that the angle A between the central axis L1 of the elastic structure 30 and the central axis L of the vibration isolator is not limited to this value and can be adjusted according to the working conditions and usage requirements. Optionally, the angle A between the central axis L1 of the elastic structure 30 and the central axis L of the vibration isolator is 6°, 8°, 12°, or 14°.

[0040] Optionally, there may be multiple elastic structures 30, spaced apart around the connecting structure 20; and / or, the elastic structure 30 may be a spring. The use of multiple elastic structures 30, especially in a spaced-out manner, can significantly increase the vibration isolation capacity of the isolator. Simultaneously, the elastic effect of the springs can more effectively absorb and dissipate vibration energy, particularly in the low-frequency region, providing better vibration isolation. Furthermore, the arrangement of multiple springs can be adjusted according to specific application requirements, such as different spring stiffnesses, numbers, and arrangements, to adapt to different equipment weights, vibration frequencies, and environmental conditions, ensuring that the isolator exhibits good vibration isolation performance under various operating conditions.

[0041] In this embodiment, there are multiple elastic structures 30, which are spaced apart around the connecting structure 20, and each elastic structure 30 is a spring. This arrangement of multiple elastic structures 30 around the connecting structure 20 ensures that the load is evenly distributed across the entire structure of the vibration isolator, preventing excessive loads in any localized area, thereby improving the overall vibration isolation performance and structural stability of the vibration isolator.

[0042] Specifically, there are four elastic structures 30, which are evenly arranged around the connecting structure 20. Even if one or more elastic structures 30 fail, the other parts of the vibration isolator can still continue to work and provide vibration isolation protection, thereby improving the redundancy and reliability of the system.

[0043] It should be noted that the number of elastic structures 30 is not limited to this and can be adjusted according to working conditions and usage requirements. Optionally, there may be two, three, five, six, or more elastic structures 30.

[0044] Alternatively, the spring may be made of cold-rolled steel.

[0045] In this embodiment, the stiffness of the spring can be designed according to the actual load and vibration isolation requirements to ensure that the vibration isolator can effectively isolate vibration interference within the vibration frequency range.

[0046] like Figure 1 and Figure 2As shown, the vibration isolator also includes a buffer structure 40, with its two ends connected to two mounting plates 10 respectively. The buffer structure 40 is located outside the elastic structure 30; and / or, the extension direction of the buffer structure 40 is inclined relative to the surface of the mounting plate 10. Thus, when the equipment is subjected to impact, the inclined buffer structure 40 can dissipate more energy through the additional friction or deformation generated by its tilt angle. This allows the vibration isolator to more effectively control the transmission of vibration energy when facing sudden, unexpected vibrations or impacts, protecting the equipment from damage. Simultaneously, the combination of the buffer structure 40 and the elastic structure 30 optimizes the response characteristics of the vibration isolator, especially when dealing with complex vibrations, providing more comprehensive vibration isolation protection and ensuring the safe and stable operation of the equipment under multi-directional vibration.

[0047] In this embodiment, the buffer structure 40 is located outside the elastic structure 30, thereby providing additional lateral support, increasing the stiffness and stability of the vibration isolator under lateral vibration or impact loads, and preventing excessive horizontal displacement of the equipment. The extension direction of the buffer structure 40 is inclined relative to the surface of the mounting plate 10, which not only enhances the lateral protection and energy dissipation capability of the vibration isolator, but also optimizes its response characteristics, provides overload protection, and improves self-resetting performance.

[0048] Optionally, the buffer structure 40 is a hydraulic damper or a viscous damper. In this way, hydraulic and viscous dampers can dissipate vibration energy through the movement of fluids or the deformation of viscous materials. When the equipment is subjected to vibration or impact, the damper can quickly and effectively reduce the vibration amplitude and extend the vibration decay time, protecting the equipment from damage. At the same time, viscous or hydraulic dampers can smooth the vibration response and reduce resonance effects, enabling the vibration isolator to maintain efficient vibration isolation over a wider frequency range.

[0049] In this embodiment, the damping coefficient of the damper can be customized according to the on-site working conditions and vibration environment to optimize the vibration attenuation performance of the system and ensure the rapid vibration attenuation and good vibration isolation effect of the vibration isolator.

[0050] Optionally, the mounting plate 10 is a polygonal plate, and there are multiple buffer structures 40. The number of buffer structures 40 matches the number of sides of the polygonal plate, and each side of the polygonal plate corresponds to one of the buffer structures 40. The two ends of each buffer structure 40 are connected to two sides on the same side of the two polygonal plates, respectively. Thus, because the number of buffer structures 40 matches the number of sides of the polygonal plate, the vibration isolator can form a closed protective ring around the equipment, providing all-around vibration isolation and protection. Regardless of the direction from which vibration enters, it can be effectively controlled and dissipated. At the same time, using a polygonal plate and matching buffer structures 40 allows for a more optimized vibration isolation design within a limited space.

[0051] In this embodiment, the mounting plate 10 is a rectangular plate, and there are four buffer structures 40. Each side of the rectangular plate is correspondingly provided with each buffer structure 40, and the two ends of each buffer structure 40 are connected to two rectangular plates respectively. The four buffer structures 40 are arranged symmetrically.

[0052] It should be noted that the number of sides of the mounting plate 10 is not limited to this and can be adjusted according to working conditions and usage requirements. Optionally, the mounting plate 10 can be a triangular plate, a pentagonal plate, a hexagonal plate, or a polygonal plate.

[0053] It should be noted that the number of buffer structures 40 is not limited to this and can be adjusted according to the working conditions and usage requirements. Optionally, there may be three, five, six, or more buffer structures 40.

[0054] like Figure 1 and Figure 2 As shown, the mounting plate 10 has a positioning groove 13, which is located on the edge of the mounting plate 10 and extends through the surface and side of the mounting plate 10. This positioning groove 13 provides a precise positioning reference for the installation of the vibration isolator. During installation, the mounting plate 10 of the vibration isolator can be precisely aligned in three-dimensional space (X, Y, Z axes) using a positioning pin or positioning device that matches the positioning groove 13, thereby improving the overall installation accuracy and efficiency.

[0055] like Figure 1 As shown, the connecting structure 20 includes a sleeve 21 and a connecting shaft 22. The sleeve 21 is connected to a mounting plate 10. One end of the connecting shaft 22 is connected to another mounting plate 10, and the other end of the connecting shaft 22 extends retractably into the sleeve 21. This allows the connecting shaft 22 to extend and retract within the sleeve 21, thereby allowing the vibration isolator a certain range of vertical displacement. Simultaneously, the aforementioned arrangement of the sleeve 21 limits the maximum vertical displacement of the vibration isolator, ensuring that the springs and dampers are not excessively compressed and damaged in the event of unexpected loads or overloads.

[0056] Optionally, the sleeve 21 is made of high-strength rubber or polyurethane material to give the sleeve 21 a certain degree of rigidity and toughness, allowing a certain degree of elastic deformation to absorb impact energy.

[0057] Optionally, the first mounting plate 11 is connected to the vibration damping device by bolts or screws.

[0058] like Figure 5 As shown, this application also provides a vibration isolation base, including a frame assembly 50 and a vibration isolator. The vibration isolator is disposed on the frame assembly 50 and located below the frame assembly 50. The vibration isolator is the one described above, and the device to be used for vibration reduction is the frame assembly 50.

[0059] like Figure 5 As shown, the frame assembly 50 includes a frame 51 and a base plate 52, with the base plate 52 mounted on and below the frame 51. Vibration isolators are connected to the base plate 52.

[0060] This application also provides an air conditioning unit (not shown) including the above-described vibration isolation base.

[0061] Example 2

[0062] The difference between the vibration isolator in Example 2 and Example 1 is that the structure of the connecting structure 20 is different.

[0063] like Figure 3 and Figure 4 As shown, the connecting structure 20 includes a base 23, a sliding part 24, a pad 25, and a guide rod 26. The base 23 is connected to a mounting plate 10, and the upper surface of the base 23 has a first curved surface. The sliding part 24 is slidably disposed on the base 23, and the lower surface of the sliding part 24 has a second curved surface adapted to the first curved surface. The pad 25 is located between the base 23 and the sliding part 24. The guide rod 26 cooperates with the sliding part 24 to guide the sliding direction of the sliding part 24. The extension direction of the guide rod 26 is consistent with the sliding direction of the sliding part 24. Thus, the sliding part 24 and the base 23, through the surface cooperation of the first and second curved surfaces, allow the sliding part 24 to slide freely in the horizontal direction. This design can adapt to the horizontal displacement of the equipment, effectively control horizontal vibration, and improve the stability of equipment operation. Meanwhile, the pad 25 is located between the base 23 and the sliding part 24. It can dissipate vibration energy through the properties of the material itself (such as viscoelasticity, plastic deformation, etc.), play a damping role, and reduce vibration transmission.

[0064] In this embodiment, the aforementioned arrangement of the connecting structure 20 realizes the friction pendulum function. The inclined elastic structure 30, in conjunction with the friction pendulum structure, can more effectively dissipate seismic energy and control the displacement and acceleration response of the equipment, thereby improving the seismic performance of the vibration isolator. At the same time, the sliding movement of the sliding part 24 on the base 23 enables the vibration isolator to slide freely in the horizontal direction, and dissipates vibration energy through the friction surfaces (the first curved surface and the second curved surface that are in contact with each other).

[0065] Specifically, the guide rod 26 cooperates with the sliding part 24 to ensure that the sliding part 24 moves along a predetermined path, preventing deviation or vibration, which in turn helps to control the displacement of the equipment under earthquakes or other impact loads and improves the system's response speed and stability. On the other hand, the extension direction of the guide rod 26 is consistent with the sliding direction of the sliding part 24, which helps the sliding part 24 to quickly and accurately return to its initial position along the guide rod 26 after the vibration or impact ends, realizing the rapid self-reset of the equipment.

[0066] Specifically, the sliding part 24 is a flat plate structure. The lower surface of the flat plate structure is a first curved surface covered with a special friction material, which has a low coefficient of friction and stable wear resistance. The upper surface of the flat plate structure is rigidly connected to the first mounting plate 11, allowing it to slide freely horizontally under seismic loads, reducing the direct impact of seismic input on the equipment. The base 23 is fixedly connected to the second mounting plate 12.

[0067] Optionally, the pad 25 is made of PTFE (polytetrafluoroethylene) or other special composite friction materials, which have low friction, high wear resistance and high load capacity.

[0068] It should be noted that the thickness and material formula of the gasket 25 are matched with the working conditions to ensure stability and durability during long-term use.

[0069] In this embodiment, under normal operating conditions, the vibration isolator mainly relies on the small-amplitude vibration of the spring for isolation, and the friction pendulum device only serves as a limiting protection and does not slip significantly. When an earthquake or strong impact load occurs, the sliding part 24 slides and swings on the curved surface of the base 23, working together with the damper to quickly dissipate the input energy and significantly reduce the impact load and displacement amplitude transmitted to the upper equipment.

[0070] In this embodiment, both the first and second curved surfaces are spherical surfaces. The above-mentioned arrangement of the spherical surfaces enables the device to have a stable oscillation period, which can effectively control the response and maximum displacement of the vibration isolation system under large vibration loads.

[0071] As can be seen from the above description, the embodiments of this utility model achieve the following technical effects:

[0072] The central axis L1 of the elastic structure is inclined relative to the central axis L of the vibration isolator, which significantly increases the lateral (horizontal) stiffness of the vibration isolator, thereby improving its lateral stability and preventing excessive swaying under lateral vibration or impact loads. This ensures the stable operation of the isolated equipment and solves the problem of existing vibration isolators failing to provide lateral stiffness support, thus affecting their vibration isolation effect. This improves the vibration isolation effect and seismic performance of the vibration isolator. Furthermore, by inclining the central axis L1 of the elastic structure, the dynamic response characteristics of the elastic structure can be optimized, resulting in better performance in low-frequency vibration isolation.

[0073] Obviously, the embodiments described above are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort should fall within the protection scope of this utility model.

[0074] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0075] It should be noted that the terms "first," "second," etc., used in the specification, claims, and accompanying drawings of this application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in sequences other than those illustrated or described herein.

[0076] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various modifications and variations can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A vibration isolator, characterized in that, include: Two mounting plates (10) are arranged opposite to each other. One mounting plate (10) is used to connect to the vibration damping device, and the other mounting plate (10) is used to connect to the ground or a reference surface. A connection structure (20), at least a portion of which is movably disposed, the connection structure (20) connecting the two mounting plates (10); An elastic structure (30) is disposed between the two mounting plates (10); The central axis L1 of the elastic structure (30) is inclined relative to the central axis L of the vibration isolator, and the central axis L of the vibration isolator is perpendicular to the ground or reference plane.

2. The vibration isolator according to claim 1, characterized in that, The two mounting plates (10) include a first mounting plate (11) and a second mounting plate (12), with the first mounting plate (11) located above the second mounting plate (12); the elastic structure (30) has a first end (31) connected to the first mounting plate (11) and a second end (32) connected to the second mounting plate (12), with the first end (31) positioned relative to the second end (32) close to the central axis L of the vibration isolator.

3. The vibration isolator according to claim 1, characterized in that, The angle A between the central axis L1 of the elastic structure (30) and the central axis L of the vibration isolator is greater than or equal to 5° and less than or equal to 15°; and / or, There are multiple elastic structures (30), and the multiple elastic structures (30) are spaced apart around the connecting structure (20); and / or, the elastic structure (30) is a spring.

4. The vibration isolator according to claim 1, characterized in that, The vibration isolator also includes: A buffer structure (40) is provided, with its two ends connected to the two mounting plates (10) respectively. Wherein, the buffer structure (40) is located outside the elastic structure (30); and / or, the extension direction of the buffer structure (40) is inclined relative to the surface of the mounting plate (10); and / or, the buffer structure (40) is a hydraulic damper or a viscous damper.

5. The vibration isolator according to claim 4, characterized in that, The mounting plate (10) is a polygonal plate, and there are multiple buffer structures (40). The number of buffer structures (40) is consistent with the number of sides of the polygonal plate. Each side of the polygonal plate is correspondingly set with each buffer structure (40). The two ends of each buffer structure (40) are respectively connected to two sides on the same side of the two polygonal plates.

6. The vibration isolator according to claim 1, characterized in that, The mounting plate (10) has a positioning groove (13), which is disposed on the edge of the mounting plate (10) and extends through the surface and side of the mounting plate (10).

7. The vibration isolator according to claim 1, characterized in that, The connection structure (20) includes: A sleeve (21) is connected to one of the mounting plates (10); A connecting shaft (22) is provided, one end of which is connected to another mounting plate (10), and the other end of which is retractably inserted into the sleeve (21).

8. The vibration isolator according to claim 1, characterized in that, The connection structure (20) includes: A base (23) is connected to a mounting plate (10), and the upper surface of the base (23) has a first curved surface; A sliding part (24) is slidably disposed on the base (23), and the lower surface of the sliding part (24) has a second curved surface that is adapted to the first curved surface; A pad (25) is located between the base (23) and the sliding part (24); Guide rod (26), which cooperates with the sliding part (24) to guide the sliding direction of the sliding part (24); The extension direction of the guide rod (26) is consistent with the sliding direction of the sliding part (24).

9. A vibration isolation base, characterized in that, include: Framework components (50); Vibration isolators are disposed on the frame assembly (50) and located below the frame assembly (50); Wherein, the vibration isolator is the vibration isolator according to any one of claims 1 to 8, and the vibration reduction device is the frame assembly (50).

10. An air conditioning unit, characterized in that, Includes the vibration isolation base as described in claim 9.

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