CN220227643U - Vibration isolator and vibration isolation platform using same - Google Patents
Vibration isolator and vibration isolation platform using same Download PDFInfo
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- CN220227643U CN220227643U CN202321532095.2U CN202321532095U CN220227643U CN 220227643 U CN220227643 U CN 220227643U CN 202321532095 U CN202321532095 U CN 202321532095U CN 220227643 U CN220227643 U CN 220227643U
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- 238000002955 isolation Methods 0.000 title claims abstract description 40
- 210000004907 gland Anatomy 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 23
- 238000013016 damping Methods 0.000 claims description 13
- 239000012528 membrane Substances 0.000 abstract description 19
- 238000013461 design Methods 0.000 abstract description 14
- 230000009471 action Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000004579 marble Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model provides a vibration isolator and a vibration isolation platform using the same, wherein the vibration isolator comprises a piston, an elastic diaphragm, a rigid shell and a bottom plate; the elastic diaphragm and the bottom plate are respectively matched with the rigid shell to form an upper cavity and a lower cavity, and the piston is fixedly connected to the upper surface of the elastic diaphragm; a first throttling hole is arranged between the upper chamber and the lower chamber, and the upper chamber is provided with a second throttling hole communicated with the outside; the elastic diaphragm is shaped into a structure which allows the piston to move vertically and horizontally relative to the annular gland simultaneously; the design of the vibration isolator in the utility model improves the effective isolation of the passive vibration isolator to low-frequency disturbance, not only can realize the attenuation of vertical vibration through the structure of the elastic membrane, but also can effectively attenuate the disturbance in the horizontal direction due to the elastic action of the deep U-shaped annular convex part.
Description
Technical Field
The utility model relates to the technical field of precise vibration reduction, in particular to a vibration isolator and a vibration isolation platform using the vibration isolator.
Background
The vibration isolator is a core component forming a vibration isolation system, and the characteristics of the vibration isolator have a decisive influence on the final performance of the vibration isolation system; common vibration isolation means can be divided into passive vibration isolation and active vibration isolation, and the passive vibration isolation system effectively attenuates high-frequency disturbance by the passive vibration isolation unit connected between the working unit and the foundation support. The system has a simple structure, is stable and reliable, does not need to introduce external energy input in the working process, and cannot effectively isolate low-frequency disturbance. The active vibration isolation system actively introduces external energy input, and in the process that the working unit is excited to vibrate, control force is instantaneously applied or the dynamic characteristics of the working unit are changed, so that the vibration of the unit is rapidly attenuated and controlled.
The vibration isolator in the prior art can only singly and effectively attenuate the vibration in the vertical direction or the vibration in the horizontal direction, if the vibration isolator is required to realize the simultaneous isolation of the vertical vibration and the horizontal vibration, different types of vibration isolators are required to be combined, so that the cost of the vibration isolation platform is increased, the structural complexity of the vibration isolation platform is also increased, and the vibration isolator and the vibration isolation platform using the vibration isolator are provided to realize the attenuation and the effective isolation of the vertical vibration and the horizontal vibration simultaneously.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a vibration isolator and a vibration isolation platform using the same, which are used for solving the problem that vibration isolators in the prior art cannot realize damping and isolation of vibration in a vertical direction and a horizontal direction at the same time.
To achieve the above and other related objects, a first aspect of the present utility model provides a vibration isolator comprising: the device comprises a piston, an elastic diaphragm, a rigid shell, an annular gland and a bottom plate; the elastic diaphragm is arranged at the upper end of the rigid shell in a sealing way through the annular gland, the elastic diaphragm and the first groove are matched to form an upper cavity for accommodating air, the second groove and the bottom plate are matched to form a lower cavity, and the volume of the lower cavity is larger than that of the upper cavity; the piston is embedded in the center of the annular gland and fixedly connected to the middle part of the upper surface of the elastic membrane, and the piston is in clearance fit with the annular gland; the elastic diaphragm is shaped into a special-shaped structure which allows the piston to move vertically and horizontally relative to the annular gland at the same time; a first throttling hole for passing gas and generating damping force is communicated between the upper chamber and the lower chamber, and a second throttling hole communicated with the outside is arranged in the upper chamber; and an adjustable throttle valve for adjusting the opening area at the second throttle hole is arranged at the opening at the outer side of the second throttle hole.
In the design, the air spring is adopted, and the function of buffering and shock absorption (vibration isolation) mainly comes from the compressibility of filling air in the rigid shell; when the piston of the vibration isolator is vibrated, the rubber film deforms to cause pressure change in the upper cavity, so that pressure difference between the upper cavity and the lower cavity is formed, gas flows back and forth in the two cavities under the action of the pressure difference, a throttling effect is caused when the gas flows through the throttling hole, damping force is generated, and vibration damping is accelerated. The lower cavity can reduce the rigidity characteristic of the vibration isolator which is disturbed in the low frequency range, and meanwhile, the vibration eliminating performance is enhanced; in the high-frequency stage, the vibration frequency of the upper chamber is very high, the pressure change is very fast, the air flow speed is limited under the action of the orifice, and the air can change again without passing through the orifice, so that the orifice is completely closed at the moment, the lower chamber is disabled, and the vibration isolator is equivalent to only the upper chamber to work; when in the low-frequency stage, the vibration frequency of the upper cavity is low, the pressure change is very slow, the gas causes a throttling effect when flowing through the first throttling hole, a damping force is generated, the vibration attenuation is accelerated, and the low-frequency vibration isolation effect is achieved. In this design, the volume of lower cavity is greater than the volume of last cavity, can further improve the isolation of isolator to the low frequency disturbance, and is further, through adjustable choke valve adjustable second orifice's opening size, and then adjustment isolator is to different frequency disturbance adaptability.
In an embodiment of the utility model, the special-shaped structure comprises a central concave part matched with the bottom of the piston and an annular convex part positioned at the edge, the cross section of the annular convex part is in an inverted U shape, and the annular convex part is clamped between the contour surface of the piston and the inner contour surface of the annular gland. The elastic membrane can be made of rubber membrane or other existing materials with the same properties.
In the design, the structure of the elastic membrane not only can realize the attenuation of vertical vibration, but also can effectively attenuate the disturbance in the horizontal direction due to the elastic action of the deep U-shaped annular convex part.
In an embodiment of the utility model, an annular sealing portion for improving the sealing performance of the upper chamber is integrally formed at the outer edge of the annular protruding portion of the elastic diaphragm, and an annular groove for accommodating the annular sealing portion is correspondingly formed on the joint surface of the annular gland and the rigid housing.
In the design, the annular sealing part can effectively improve the sealing performance of the upper cavity.
In an embodiment of the present utility model, the piston is fixedly connected with the elastic membrane through a plurality of bolts, a balance plate is disposed on the lower surface of the elastic membrane, the balance plate is made of metal, and the plurality of bolts sequentially penetrate through the balance plate and the elastic membrane from bottom to top and are in threaded connection with the piston.
In the design, the balance plate is arranged at the bottom of the piston, so that the center of the piston moves downwards, and the stability is improved.
In an embodiment of the present utility model, the piston top end is integrally formed with a limiting plate, and the limiting plate and the annular gland top end are matched and limited.
In the design, the limiting plate can limit the piston in the vertical moving direction, so that the vibration isolator structure is prevented from being damaged when the piston is subjected to excessive pressure.
In an embodiment of the present utility model, the first orifice and the second orifice are detachably installed with a variable-diameter restrictor for increasing air damping, the variable-diameter restrictor includes a cylindrical cavity formed inside, two ends of the cavity are respectively communicated with the outside through a first through hole and a second through hole, and diameters of the first through hole and the second through hole are smaller than diameters of the cylindrical cavity; the diameter of the second through hole is smaller than that of the first through hole.
In the design, the reducing throttler can effectively improve the damping effect on the air flow, and the model size of the reducing throttler can be designed according to specific implementation requirements.
In one embodiment of the utility model, the variable diameter restrictor is threadably coupled to the first orifice or the second orifice.
In the design, the threaded connection mode is convenient for replacing and disassembling the reducer throttler.
In an embodiment of the utility model, the bottom plate is fixedly connected with the lower end of the rigid shell, and a sealing ring is arranged at the joint of the bottom plate and the lower end of the rigid shell.
In the design, the sealing ring is arranged at the joint of the bottom plate and the lower end of the rigid shell, so that the sealing performance of the lower cavity can be effectively improved.
The second aspect of the utility model provides a vibration isolation platform, which comprises a platform body, a platform bracket and a plurality of vibration isolators according to any one of the technical schemes, wherein the lower surface of the platform body is connected with the platform bracket through the plurality of vibration isolators.
In the design, the vibration isolator combination is applied to the vibration isolation platform, so that the low-frequency disturbance isolation performance of the vibration isolation platform can be effectively improved.
In an embodiment of the present utility model, the bottom plate of the vibration isolator is fixedly connected to the platform bracket, and the lower surface of the platform body is connected to the top end of the piston.
As described above, the vibration isolator and the vibration isolation platform using the vibration isolator have the following beneficial effects: the vertical vibration can be attenuated through the structure of the elastic membrane, and meanwhile, the disturbance in the horizontal direction can be effectively attenuated due to the elastic action of the deep U-shaped annular convex part; the size of the opening of the second orifice can be adjusted through the adjustable throttle valve, so that the adaptive capacity of the vibration isolator to different disturbance can be adjusted.
Drawings
FIG. 1 is a perspective view of a shock absorber according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a isolator in a semi-section according to an embodiment of the present utility model;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic diagram of an elastic membrane according to an embodiment of the utility model;
FIG. 5 is an enlarged view of FIG. 2 at B;
FIG. 6 is a graph showing Z-direction-phase/transmissibility/acceleration/coherence and a table of relevant data statistics;
FIG. 7 is a graph showing X-direction-phase/transmissibility/acceleration/coherence and a table of relevant data statistics;
fig. 8 shows a graph of Y-direction-phase/transmissivity/acceleration/coherence and a table of relevant data statistics.
Description of element reference numerals
The piston 1, the elastic diaphragm 2, the rigid shell 3, the bottom plate 4, the upper chamber 5, the lower chamber 6, the first orifice 7, the second orifice 8, the adjustable throttle valve 9, the annular gland 10, the central concave part 11, the annular convex part 12, the annular sealing part 13, the annular groove 14, the balance plate 15, the reducing throttle 16, the sealing ring 17, the first through hole 18, the second through hole 19, the cylindrical cavity 20 and the limiting plate 21.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
Please refer to fig. 1 to 5. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or otherwise, used in the practice of the utility model, are not intended to be critical to the essential characteristics of the utility model, but are intended to fall within the spirit and scope of the utility model. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the utility model, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the utility model may be practiced.
Example 1
Referring to fig. 1-2, the present embodiment provides a vibration isolator, including: the piston 1, the elastic diaphragm 2, the rigid shell 3, the annular gland 10 and the bottom plate 4; the rigid shell 3 is internally provided with a first groove with an upward opening and a second groove with a downward opening, the elastic diaphragm 2 is arranged at the upper end of the rigid shell 3 in a sealing way through the annular gland 10, the elastic diaphragm 2 and the first groove are matched to form an upper cavity 5 for accommodating air, the second groove and the bottom plate 4 are matched to form a lower cavity 6, and the volume of the lower cavity 6 is larger than that of the upper cavity 5; the piston 1 is embedded in the center of the annular gland 10 and fixedly connected to the middle part of the upper surface of the elastic membrane 2, and the piston 1 is in clearance fit with the annular gland 10; the elastic diaphragm 2 is shaped in a profiled configuration allowing simultaneous vertical and horizontal movement of the piston with respect to the annular gland 10.
A first orifice 7 for passing gas and generating damping force is communicated between the upper chamber 5 and the lower chamber 6, and the upper chamber 5 is provided with a second orifice 8 communicated with the outside; an adjustable throttle valve 9 for adjusting the opening area at the second throttle hole 8 is arranged at the opening at the outer side of the second throttle hole 8.
The edge of the elastic diaphragm 2 is fixedly and hermetically connected with the upper end of the rigid shell 3 through an annular gland 10, the piston 1 is embedded in the center of the annular gland 10 and is in clearance fit with the annular gland 10, and in the embodiment, the clearance between the annular gland 10 and the piston 1 is 3mm; the elastic diaphragm 2 is shaped in a structure allowing simultaneous vertical and horizontal movement of the piston 1 with respect to the annular gland 10.
Referring to fig. 4, specifically, in this embodiment, the special-shaped structure includes a central recess 11 that mates with the bottom of the piston and an annular protrusion 12 at the edge, the cross section of the annular protrusion 12 is in an inverted U shape, and the annular protrusion 12 is sandwiched between the contour surface of the piston and the inner contour surface of the annular gland 10.
The ratio of the depth to the width of the U-shape at the inverted U-shaped section is greater than 2:1, in this embodiment, the thickness of the elastic membrane 2 is 0.5mm, the depth of the section of the annular convex part 12 of the deep U-shape is 11.5, and the annular convex part 12 is clamped between the contour surface of the piston 1 and the inner contour surface of the annular gland 10. The structure of the elastic membrane 2 not only can realize the damping of vertical vibration, but also can effectively damp the disturbance in the horizontal direction due to the elastic action of the deep U-shaped annular convex part 12.
In the present embodiment, the elastic membrane 2 is a rubber membrane.
The vibration isolator of the embodiment adopts a structural form of an air spring, and the function of buffering and absorbing (vibration isolation) mainly comes from the compressibility of the rigid shell 3 after being filled with air; when the piston 1 of the vibration isolator is vibrated, the rubber diaphragm deforms, so that the pressure in the upper chamber 5 is changed, the pressure difference between the upper chamber and the lower chamber 6 is formed, the gas flows back and forth in the two chambers under the action of the pressure difference, the throttling effect is induced when the gas flows through the first throttling hole 7, the damping force is generated, and the vibration attenuation is accelerated. The lower chamber 6 can reduce the rigidity characteristic of the vibration isolator which is disturbed in the low frequency range and enhance the vibration eliminating performance; in the high frequency stage, the vibration frequency of the negative pressure is high, the pressure change is quick, the air flow speed is limited under the action of the orifice, and the air flow is changed again without passing through the orifice, so that the orifice is completely closed, the lower chamber 6 is disabled, and the vibration isolator is operated only by the upper chamber 5. In this design, the volume of lower cavity 6 is greater than the volume of last cavity 5, can effectively improve the isolator and to the isolation of low frequency disturbance, and is further, through adjustable throttle valve 9 adjustable second orifice 8 everywhere the flow size of air current, and then the adjustment isolator is to different disturbance adaptability.
In this embodiment, the outer edge of the annular protrusion 12 of the elastic diaphragm 2 is integrally formed with an annular sealing portion 13 for improving the sealing performance of the upper chamber 5, and the joint surface of the annular gland 10 and the rigid housing 3 is correspondingly provided with a ring groove 14 for accommodating the annular sealing portion 13.
In this embodiment, the piston 1 is fixedly connected with the elastic membrane 2 through a plurality of bolts, the lower surface of the elastic membrane 2 is provided with a balance plate 15, the balance plate 15 is made of metal, and the plurality of bolts sequentially penetrate through the balance plate 15 and the elastic membrane 2 from bottom to top to be in threaded connection with the piston 1. The balance plate 15 is arranged at the bottom of the piston 1, so that the center of the piston 1 can be moved downwards, and the stability is improved.
In this embodiment, the top end of the piston 1 is integrally formed with a limiting plate 21, and the limiting plate 21 is matched with a limiting groove at the top end of the annular gland 10 for limiting. The limiting plate can limit the piston 1 in the vertical moving direction, so that the vibration isolator structure is prevented from being damaged when the piston 1 is subjected to excessive pressure.
Referring to fig. 3, in the present embodiment, the first orifice 7 and the second orifice 8 are detachably mounted with a reducer restrictor 16 for increasing air damping, the reducer restrictor 16 includes a cylindrical cavity 20 formed therein, two ends of the cavity are respectively communicated with the outside through a first through hole 18 and a second through hole 19, and diameters of the first through hole 18 and the second through hole 19 are smaller than diameters of the cylindrical cavity 20; the diameter of the second through hole 19 is smaller than the diameter of the first through hole 18. The reducing restrictor 16 can effectively improve the damping effect on the air flow, and the model size of the reducing restrictor 16 can be designed according to specific implementation requirements.
Specifically, in the present embodiment, the diameter of the first through hole 18 is 2.8mm, the diameter of the second through hole 19 is 0.7mm, and the diameter of the circumferential cavity is 3.6mm.
In the present embodiment, the variable diameter restrictor 16 is screwed to the first orifice 7 or the second orifice 8. The threaded connection facilitates replacement and removal of the reducer restrictor 16.
Referring to fig. 5, in the present embodiment, the bottom plate 4 is fixedly connected to the lower end of the rigid housing 3, and a sealing ring 17 is disposed at the joint between the bottom plate 4 and the lower end of the rigid housing 3. The sealing ring 17 is arranged at the joint of the bottom plate 4 and the lower end of the rigid shell 3, so that the sealing performance of the lower chamber 6 can be effectively improved.
In order to evaluate the performance of the vibration isolator in this embodiment, a detection report is provided, in the detection process, the vibration isolator in this embodiment is placed between the marble base and the load table, and the natural frequency of the vibration isolator in this embodiment is 2.5Hz by detecting the vibration acceleration of the marble base and the load table and obtaining the vibration transfer rate curves of the two, and by analyzing the phase, transfer rate, acceleration and coherence curves in the Z direction, the X direction and the Y direction, test data are obtained, see fig. 6-8. The test result of the vibration isolator in the embodiment shows that the peak value of the vibration transmission rate measured in each direction of Z/X/Y is in the range of the design reference value, and meets the design requirement (the vibration removal efficiency of the 5Hz section is more than or equal to 30%, the vibration removal efficiency of the 10Hz section is more than or equal to 75%, and the vibration removal efficiency of the 20Hz section is more than or equal to 90%).
Example 2
The embodiment provides a vibration isolation platform, which comprises a platform body, a platform bracket (not shown in the attached drawing), and a plurality of vibration isolators, wherein the lower surface of the platform body is connected with the platform bracket through four vibration isolators. By applying the vibration isolator combination to the vibration isolation platform, the isolation performance of the vibration isolation platform to low-frequency disturbance and high-frequency disturbance (micro vibration) can be effectively improved.
In this embodiment, the bottom plate 4 of the vibration isolator is fixedly connected to the platform bracket, and the lower surface of the platform body is connected to the top end of the piston 1.
In summary, the utility model improves the effective isolation of the passive vibration isolator for low-frequency disturbance, not only can realize the attenuation of vertical vibration through the structure of the elastic membrane, but also can effectively attenuate the disturbance in the horizontal direction due to the elastic action of the deep U-shaped annular convex part; the vibration isolator combination is applied to the vibration isolation platform, so that the low-frequency disturbance isolation performance of the vibration isolation platform can be effectively improved; the size of the opening of the second orifice can be adjusted through the adjustable throttle valve, so that the adaptive capacity of the vibration isolator to different disturbance can be adjusted. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (10)
1. A vibration isolator, comprising: the device comprises a piston, an elastic diaphragm, a rigid shell, an annular gland and a bottom plate; the elastic diaphragm is mounted at the upper end of the rigid shell in a sealing way through the annular gland, the elastic diaphragm and the first groove are matched to form an upper cavity for accommodating air, the second groove and the bottom plate are matched to form a lower cavity, and the piston is embedded in the center of the annular gland and fixedly connected to the middle part of the upper surface of the elastic diaphragm in a clearance fit manner; the elastic diaphragm is shaped into a special-shaped structure which allows the piston to move vertically and horizontally relative to the annular gland at the same time;
a first throttling hole for passing gas and generating damping force is communicated between the upper chamber and the lower chamber, and a second throttling hole communicated with the outside is arranged in the upper chamber; and an adjustable throttle valve for adjusting the opening area at the second throttle hole is arranged at the opening at the outer side of the second throttle hole.
2. The vibration isolator according to claim 1, wherein: the special-shaped structure comprises a central concave part matched with the bottom of the piston and an annular convex part positioned at the edge, the cross section of the annular convex part is in an inverted U shape, and the annular convex part is clamped between the contour surface of the piston and the inner contour surface of the annular gland.
3. The vibration isolator according to claim 2, wherein: the annular sealing part for improving the sealing performance of the upper cavity is formed by integrally forming the outer edge of the annular convex part of the elastic diaphragm, and an annular groove for accommodating the annular sealing part is correspondingly formed on the joint surface of the annular gland and the rigid shell.
4. The vibration isolator according to claim 1, wherein: the piston is fixedly connected with the elastic diaphragm through a plurality of bolts, a balance plate is arranged on the lower surface of the elastic diaphragm, and a plurality of bolts sequentially penetrate through the balance plate, the elastic diaphragm and the piston from bottom to top.
5. The vibration isolator according to claim 1, wherein: the piston top integrated into one piece has the limiting plate, the limiting plate with the spacing groove cooperation spacing on annular gland top.
6. The vibration isolator according to claim 1, wherein: the two ends of the cavity are respectively communicated with the outside through a first through hole and a second through hole, and the diameters of the first through hole and the second through hole are smaller than the diameter of the cylindrical cavity; the diameter of the second through hole is smaller than that of the first through hole.
7. The vibration isolator according to claim 6, wherein: the variable-diameter restrictor is in threaded connection with the first orifice or the second orifice.
8. The vibration isolator according to claim 1, wherein: the bottom plate is fixedly connected with the lower end of the rigid shell, and a sealing ring is arranged at the joint of the bottom plate and the lower end of the rigid shell.
9. A vibration isolation platform comprises a platform body and a platform bracket; the vibration isolator of any one of claims 1-8, wherein the lower surface of the platform body is connected to the platform bracket by a plurality of vibration isolators.
10. The vibration isolation platform of claim 9, wherein: the bottom plate of the vibration isolator is fixedly connected with the platform bracket, and the lower surface of the platform body is connected with the top end of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532095.2U CN220227643U (en) | 2023-06-15 | 2023-06-15 | Vibration isolator and vibration isolation platform using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321532095.2U CN220227643U (en) | 2023-06-15 | 2023-06-15 | Vibration isolator and vibration isolation platform using same |
Publications (1)
| Publication Number | Publication Date |
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| CN220227643U true CN220227643U (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321532095.2U Active CN220227643U (en) | 2023-06-15 | 2023-06-15 | Vibration isolator and vibration isolation platform using same |
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| CN (1) | CN220227643U (en) |
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2023
- 2023-06-15 CN CN202321532095.2U patent/CN220227643U/en active Active
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