A shock-absorbing damping structure and a shock-absorbing method

The damping structure, composed of shock absorbers, springs, and elastic pins, solves the applicability problem of shock absorption structures in high-temperature and corrosive environments, achieving simple installation and wide applicability, and possessing excellent shock absorption and noise reduction effects.

CN115899138BActive Publication Date: 2026-07-10SICHUAN JIUTIAN VACUUM TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN JIUTIAN VACUUM TECH CO LTD
Filing Date
2022-11-30
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

Existing vibration damping structures are limited in use in high-temperature or corrosive environments, and traditional spring-type and rubber pad-type vibration damping structures each have their shortcomings and cannot meet the needs of complex working conditions.

Method used

The damping structure consists of shock absorbers, springs, and elastic pins. The combination of shock absorbers made of one-piece molded PEEK, nylon, or POM engineering plastics and 55CrSi or stainless steel springs, along with the conical platform and U-groove design, achieves simple installation and wide applicability.

Benefits of technology

It achieves a simple and easy-to-install shock absorption effect under complex working conditions, and also has the cushioning properties of rubber pads. It has excellent shock absorption and noise reduction effects and is suitable for high temperature and corrosive environments.

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Abstract

The application discloses a damping structure and a damping method. The damping structure comprises a damping plug, a spring and an elastic pin. The damping plug comprises a first connecting part and a second connecting part. The diameter of the first connecting part is smaller than that of the second connecting part. The first connecting part and the second connecting part are connected to form a T-shaped structure. The first connecting part is provided with a tapered platform at one end away from the second connecting part. The tapered platform forms a pagoda-shaped structure. The first connecting part is provided with a U-shaped groove at the end, so that the end of the first connecting part forms an opening. The first connecting part and the second connecting part are provided with through holes at the axial positions and the through holes are communicated. The spring is sleeved on the first connecting part. The upper end of the spring is close to the pagoda-shaped structure and the lower end of the spring is in contact with the second connecting part. The elastic pin is arranged in the through hole. The damping structure has the advantages of simple structure, wide application range and convenient installation in actual use. Meanwhile, the damping structure can be applied to various complex environments.
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Description

Technical Field

[0001] This invention relates to the field of vibration reduction technology, specifically to a vibration damping structure and vibration reduction method. Background Technology

[0002] Commonly used vibration damping structures are mainly divided into two categories: spring-based and rubber pad-based. Spring-based damping absorbs impact force through the deformation of the spring to achieve a vibration reduction effect, but its structure is complex and its installation size is limited, although its vibration reduction effect is good. Rubber pad-based vibration damping absorbs shock through the elastic deformation of the rubber pad. It has a simple structure, reduces vibration and noise, and the rubber used is mostly silicone or fluororubber, which limits its use in high-temperature or corrosive environments.

[0003] Traditional spring dampers are mostly used at temperatures not exceeding 100℃, and have complex structures and high manufacturing costs. To increase the damping effect, rubber pads often use softer materials such as silicone. These types of dampers are not suitable for damping environments with corrosive gases, semiconductors, or high temperatures.

[0004] Therefore, there is an urgent need for a simple structure that can be used in complex working conditions for vibration damping. Summary of the Invention

[0005] The purpose of this invention is to provide a shock-absorbing damping structure and a shock-absorbing method, which has the advantages of simple structure, wide application range and easy installation in practical use, and can be applied to a variety of complex working environments.

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0007] A shock-absorbing damping structure includes a shock-absorbing plug, a spring, and an elastic pin. The shock-absorbing plug includes a first connecting part and a second connecting part. The diameter of the first connecting part is smaller than that of the second connecting part, and the first and second connecting parts are connected to form a T-shaped structure.

[0008] The first connecting part has a cone-shaped platform at the end away from the second connecting part, and the cone-shaped platform forms a pagoda-shaped structure. The end of the first connecting part is provided with a U-shaped groove that forms an opening at the end of the first connecting part.

[0009] A through hole is provided at the axial position of the first and second connecting parts, and the through hole communicates with the U-shaped groove. The spring is fitted on the first connecting part, with the upper end of the spring close to the pagoda-shaped structure and the lower end in contact with the second connecting part. The elastic pin is used to install in the through hole.

[0010] The first connecting part and the second connecting part are integrally molded.

[0011] Further optimization involves using PEEK, nylon, or POM engineering plastics to create shock absorbers through a one-piece molding process.

[0012] The spring is made of 55CrSi or stainless steel.

[0013] Further defining it, the inclined surface on the side of the cone-shaped truncated cone forms a guide surface.

[0014] Further specifying, the spring is either a straight cylindrical spring or a conical spring.

[0015] The present invention discloses a vibration reduction method, which includes using the above-mentioned vibration damping structure for vibration reduction;

[0016] The specific steps are as follows:

[0017] Step 1: Set a mounting hole on the component to be damped, and the diameter of the mounting hole is larger than the diameter of the first connecting part of the damping plug, so that the first connecting part can move within the mounting hole with a clearance fit.

[0018] Step 2: Fit the spring onto the first connecting part of the shock absorber;

[0019] Step 3: Align the conical platform at the damping end with the mounting hole, and pass the damping plug through the mounting hole so that the spring is in a normal or compressed state. When the spring is in a compressed state, the lower end face of the conical platform contacts the end face of the component to be damped under the action of the spring.

[0020] Step 4: Fit the spring pin with the through hole using an interference fit.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] This invention mainly consists of a shock absorber plug, a spring, and an elastic pin. In actual use, firstly, a mounting hole is set on the component to be damped, and the diameter of the mounting hole is larger than the diameter of the first connecting part of the shock absorber plug. The first connecting part is clearance-fitted with the mounting hole so that the first connecting part can move within the mounting hole. Then, the spring is fitted onto the first connecting part of the shock absorber plug. Next, the conical platform at the end of the shock absorber is aligned with the mounting hole, and the shock absorber plug is passed through the mounting hole so that the spring is in a normal or compressed state. When the spring is compressed, the lower end face of the conical platform contacts the end face of the component to be damped under the action of the spring. Finally, the elastic pin is fitted with the through hole with an interference fit, thus completing the installation of the shock-absorbing damping structure. This invention has a simple structure, compact size, and is easy to install. Compared with the traditional spring shock-absorbing damping structure, it is simpler and has a wider range of applications, and also has the characteristics of rubber pad cushioning, resulting in excellent shock absorption and noise reduction effects. Attached Figure Description

[0023] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 A schematic diagram of the overall structure of the present invention.

[0025] Figure 2 This is a schematic diagram of the overall structure of the shock absorber plug of the present invention.

[0026] Figure 3 For the present invention Figure 2 Sectional view of plane AA.

[0027] Figure 4 This is a schematic diagram illustrating the usage state of the present invention.

[0028] Figure label:

[0029] 101-Shock absorber plug, 102-Spring, 103-Elastic pin, 104-First connecting part, 105-Second connecting part, 106-Conical platform, 107-U-shaped groove, 108-Through hole, 109-Guide surface, 110-Component to be damped. Detailed Implementation

[0030] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the embodiments of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0031] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of the present invention.

[0032] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of embodiments of the present invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0033] In this embodiment of the invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment of the invention according to the specific circumstances.

[0034] In embodiments of the present invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0035] The following disclosure provides many different implementations or examples for carrying out different structures of the embodiments of the present invention. To simplify the disclosure of the embodiments of the present invention, specific examples of components and arrangements are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. Furthermore, reference numerals and / or reference letters may be repeated in different examples of the embodiments of the present invention; such repetition is for simplification and clarity and does not in itself indicate a relationship between the various implementations and / or arrangements discussed.

[0036] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0037] Example 1

[0038] See Figures 1-4 This embodiment discloses a shock-absorbing damping structure, including a shock-absorbing plug 101, a spring 102 and an elastic pin 103. The shock-absorbing plug 101 includes a first connecting part 104 and a second connecting part 105. The diameter of the first connecting part 104 is smaller than that of the second connecting part 105, and the first and second connecting parts are connected to form a T-shaped structure.

[0039] The first connecting part 104 has a conical platform 106 at the end away from the second connecting part 105. The conical platform 106 forms a pagoda-shaped structure. The end of the first connecting part 104 is provided with a U-shaped groove 107 that forms an opening at the end of the first connecting part 104.

[0040] A through hole 108 is provided at the axial position of the first and second connecting parts. The through hole 108 is connected to the U-shaped groove 107. The spring 102 is fitted on the first connecting part 104. The upper end of the spring 102 is close to the pagoda-shaped structure, and the lower end is in contact with the second connecting part 105. The elastic pin 103 is used to be installed in the through hole 108.

[0041] This embodiment mainly consists of a shock absorber 101, a spring 102, and an elastic pin 103. In actual use, firstly, a mounting hole is provided on the component 110 to be damped, and the diameter of the mounting hole is larger than the diameter of the first connecting part 104 of the shock absorber 101. The first connecting part 104 and the mounting hole are clearance-fitted so that the first connecting part 104 can move within the mounting hole. Then, the spring 102 is fitted onto the first connecting part 104 of the shock absorber 101. Next, the conical platform 106 at the damping end is aligned with the mounting hole, and the shock absorber 101 is inserted through the mounting hole. The spring 102 is placed in a normal or compressed state through the mounting hole. When the spring 102 is compressed, the lower end face of the cone-shaped platform 106 contacts the end face of the component to be damped 110 under the action of the spring 102. Finally, the elastic pin 103 is fitted with the through hole 108 in an interference fit, thus completing the installation of the damping structure. The present invention has a simple structure, compact size, and is easy to install. Compared with the traditional spring 102 damping structure, it is simpler and has a wider range of applications. It also has the characteristics of rubber pad cushioning, and has good shock absorption and noise reduction effects.

[0042] In actual use, the first connecting part 104 and the second connecting part 105 are integrally formed.

[0043] Further optimization: the shock absorber 101 is made of PEEK, nylon, or POM engineering plastics through a one-piece molding process.

[0044] Further optimization involves making spring 102 from 55CrSi or stainless steel.

[0045] Among them, the inclined surface on the side of the conical platform 106 forms a guide surface 109.

[0046] In practical use, spring 102 is either a straight spring or a conical spring; the conical spring can increase the displacement of the shock absorber 101.

[0047] Example 2

[0048] This embodiment discloses a vibration reduction method, which uses the vibration damping structure described in Embodiment 1 for vibration reduction;

[0049] The specific steps are as follows:

[0050] Step 1: Set a mounting hole on the component 110 to be damped, and the diameter of the mounting hole is larger than the diameter of the first connecting part 104 of the damping plug 101, so that the first connecting part 104 and the mounting hole achieve a clearance fit so that the first connecting part 104 can move within the mounting hole;

[0051] Step 2: Fit the spring 102 onto the first connecting part 104 of the shock absorber 101;

[0052] Step 3: Align the conical platform 106 of the damping end with the mounting hole, and pass the damping plug 101 through the mounting hole so that the spring 102 is in a normal or compressed state. When the spring 102 is in a compressed state, under the action of the spring 102, the lower end face of the conical platform 106 contacts the end face of the component to be damped 110.

[0053] Step 4: Fit the elastic pin 103 with the through hole 108 using an interference fit.

[0054] In practical use, this invention enables rapid installation. The pagoda-shaped structure provides guidance, and as the shock absorber 101 moves toward the mounting hole on the component to be damped, the U-shaped groove 107 at the end of the shock absorber 101 creates a clearance area. This allows the conical platform 106 to be compressed when it contacts the mounting hole, causing the portions of the conical platform 106 located on both sides of the U-shaped groove 107 to move toward the U-shaped groove 107, thus installing it on the component to be damped. The overall structure is simple and installation is quick.

[0055] To facilitate a better understanding of the present invention by those skilled in the art, the present invention will be further illustrated below with reference to specific implementation examples.

[0056] Case 1

[0057] This case discloses a shock-absorbing damping structure, which mainly includes: shock absorber 101, spring 102 and elastic pin 103;

[0058] The shock absorber 101 is made of engineering plastic with micro-elasticity. The front end is designed as a pagoda joint structure (truncated cone) with an opening (U-shaped groove 107) and a through hole 108 in the middle for placing an elastic cylindrical pin.

[0059] This design allows for easy installation on the mounting base (the component to be damped 110) where vibration damping is required. The mounting base only needs to have a through hole 108 with the same diameter as the first connecting part, which is generally slightly larger than the diameter of the first connecting part.

[0060] The pagoda-like structure at the front end of the shock absorber 101 facilitates its installation and mating with the mounting base, preventing it from falling out. The elastic pin 103 installed in the center of the shock absorber 101 effectively ensures that the pagoda opening at the front end does not deform, preventing the shock absorber 101 from falling out of the mounting hole. Simultaneously, it provides support during shock absorption, enhancing the strength of the shock absorber 101 and preventing deformation of the central through hole 108, which could affect the guidance of the spring 102 and the dimensions of the base, thus impacting the shock absorption effect.

[0061] In practical applications, this shock-absorbing damping structure uses an engineering plastic integrally molded shock absorber 101, along with a spring 102 and elastic pin 103 of corresponding size. The engineering materials, spring 102, and stainless steel elastic pin 103 are selected based on the requirements of the structural environment, making it suitable for various complex operating environments. It has the advantages of simple structure, compact size, and easy installation and replacement. Compared with the traditional spring 102 shock-absorbing damping structure, it is simpler and has a wider range of applications. It also has the characteristics of rubber pad cushioning, resulting in excellent shock absorption and noise reduction effects.

[0062] As an option, the shock absorber 101 can be made of high-performance impact-resistant engineering plastics such as high-temperature and corrosion-resistant PEEK, nylon, and POM, as needed. The spring 102 can be made of materials such as 55CrSi and stainless steel. Depending on the material selection, this shock absorption design can be applied in high-temperature, corrosive semiconductor and vacuum environments that require shock absorption.

[0063] Its advantages are mainly reflected in the following points:

[0064] (1) Technology: The design of this shock-absorbing damping structure combines the advantages of spring 102 shock absorption and rubber pad shock absorption, resulting in obvious shock absorption effect. The structure is simple, easy to install and replace, compact, and has a wide range of applications.

[0065] (2) Good economic benefits: The shock absorber and damping structure is simple, easy to process, has fewer parts, low manufacturing cost, strong versatility, low maintenance cost, and is easy to replace.

[0066] (3) Wide range of applications: The shock-absorbing damping structure can be selected from different engineering plastics and spring 102 materials according to the usage environment, and can be applied to shock-absorbing structures in special environments, such as high temperature, corrosion, vacuum, semiconductor and other special environments. However, the operating temperature of traditional spring 102 damping is mostly not more than 100℃, and the structure is complex and the manufacturing cost is high. In order to increase the shock absorption effect, the rubber pad type shock absorber 101 mostly uses softer rubber pad materials such as silicone. Such shock absorber 101 is not suitable for semiconductor or high temperature shock absorption environments with corrosive gases.

[0067] Further optimization: In actual use, to prevent the elastic pin 103 from disengaging from the through hole 108, the through hole 108 is configured as a stepped hole, and the elastic pin 103 is configured as a stepped mechanism. The elastic pin 103 is engaged with the through hole 108 by means of threads to prevent the elastic pin 103 from falling off during use. The through hole 108 can also improve the strength of the shock absorber 101.

[0068] Although preferred embodiments of the invention have been described, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments as well as all changes and modifications falling within the scope of the invention.

[0069] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. It should be noted that any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A vibration damping structure, characterized in that: It includes a shock absorber, a spring, and an elastic pin. The shock absorber includes a first connecting part and a second connecting part. The diameter of the first connecting part is smaller than that of the second connecting part, and the first and second connecting parts are connected to form a T-shaped structure. The first connecting part has a cone-shaped platform at the end away from the second connecting part, and the cone-shaped platform forms a pagoda-shaped structure. The end of the first connecting part is provided with a U-shaped groove that forms an opening at the end of the first connecting part. A through hole is provided at the axial position of the first and second connecting parts. The through hole is connected to the U-shaped groove. The spring is fitted on the first connecting part. The upper end of the spring is close to the pagoda-shaped structure and the lower end is in contact with the second connecting part. The elastic pin is used to install in the through hole. The through hole is set as a stepped hole and the elastic pin is set as a stepped mechanism. The elastic pin is engaged with the through hole by means of threads. The first connecting part and the second connecting part are integrally molded.

2. The shock-absorbing and damping structure according to claim 1, characterized in that: Shock absorbers are made of PEEK, nylon, or POM engineering plastics through a one-piece molding process.

3. The shock-absorbing and damping structure according to claim 1, characterized in that: The spring is made of 55CrSi or stainless steel.

4. The shock-absorbing and damping structure according to claim 1, characterized in that: The inclined surface on the side of the cone-shaped truncated cone forms a guide surface.

5. The shock-absorbing and damping structure according to claim 1, characterized in that: The spring can be a straight cylindrical spring or a conical spring.

6. A vibration reduction method, characterized in that: This includes using the damping structure described in any one of claims 1-5 for vibration reduction; The specific steps are as follows: Step 1: Set a mounting hole on the component to be damped, and the diameter of the mounting hole is larger than the diameter of the first connecting part of the damping plug, so that the first connecting part can move within the mounting hole with a clearance fit. Step 2: Fit the spring onto the first connecting part of the shock absorber; Step 3: Align the conical platform at the damping end with the mounting hole, and pass the damping plug through the mounting hole so that the spring is in a normal or compressed state. When the spring is in a compressed state, the lower end face of the conical platform contacts the end face of the component to be damped under the action of the spring. Step 4: Fit the spring pin with the through hole using an interference fit.