Outer sleeve of spring vibration isolator

By using threaded connections and sound-absorbing and sound-insulating layers, the design solves the problems of difficult disassembly and noise in existing spring vibration isolators, achieving convenient disassembly and assembly as well as noise reduction.

CN223563343UActive Publication Date: 2025-11-18HUNAN CHANGHONG PRECISION MANUFACTURING CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422185297.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2025-11-18
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

The existing spring vibration isolator outer sleeve is connected by welding, which makes it inconvenient to disassemble and maintain, and it is difficult to effectively reduce vibration and noise.

Method used

The cylinder and cap are designed with threaded connections, and combine sound-absorbing, reflective and sound-insulating layers. The threaded connection makes it easy to disassemble and assemble, and the sound-absorbing and sound-insulating materials reduce noise.

Benefits of technology

While facilitating easy assembly and disassembly, it effectively reduces noise during vibration of the isolator and improves corrosion resistance.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223563343U_ABST
    Figure CN223563343U_ABST
Patent Text Reader

Abstract

The utility model provides an outer sleeve of a spring vibration isolator, which relates to the field of outer sleeves, and comprises a sleeve body, the top of the sleeve body is movably connected with a sleeve cover, the inner cavity of the sleeve body is provided with a vibration isolator body, the bottom of the inner cavity of the sleeve body is fixedly connected with a second connecting ring, and the top of the inner cavity of the sleeve cover is fixedly connected with a first connecting ring; the vibration isolator body extends to the inner cavity of the second connecting ring and the inner cavity of the first connecting ring to be in threaded connection, the installation operation of the vibration isolator body is completed, by means of the threaded connection installation mode, later disassembly and assembly operation is facilitated, the tightness of connection between the barrel body and the barrel cover and the vibration isolator body is guaranteed, and the service life of the barrel body and the barrel cover is prolonged. The anti-corrosion performance of the cylinder body and the cylinder cover can be improved through the anti-corrosion layer, meanwhile, the sound absorption layer, the reflecting layer and the sound insulation layer combine the sound absorption and sound insulation characteristics, reflection of sound waves can be reduced, sound transmission can be blocked, and therefore noise generated when the vibration isolator body buffers vibration can be reduced to the maximum extent.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of outer sleeve, concretely relates to a spring vibration isolator's outer sleeve. BACKGROUND

[0002] Spring vibration isolator is the most commonly used vibration isolator, material quality has steel spring or rubber etc., has spiral, dish, ring and board form etc., wherein, the vibration isolator is usually provided with vibration isolator outer sleeve outside when using, and the outer sleeve refers to the outer sleeve or shell for wrapping and protecting the spring vibration isolator.

[0003] The outer sleeve is used, the spring vibration isolator is placed in the inner chamber of the outer sleeve, and the welding mode is used to ensure that it is welded tightly, which is convenient for transmitting vibration, and the spring vibration isolator is covered by the outer sleeve, so that the protection operation of the spring vibration isolator is realized, but the outer sleeve in the prior art is inconvenient for disassembly and maintenance in the actual use due to the welding mode, and the outer sleeve only has the effect of protecting the vibration isolator, and it is difficult to intercept the noise generated when the vibration isolator is vibration buffered.

[0004] Therefore, the utility model provides a spring vibration isolator's outer sleeve to solve the above problems. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides the following technical scheme:

[0006] A kind of spring vibration isolator's outer sleeve, including cylinder, the top of the cylinder is movably connected with cylinder cover, and the inner chamber of cylinder is provided with vibration isolator body, the bottom of the inner chamber of cylinder is fixedly connected with second connecting ring, and the top of the inner chamber of cylinder cover is fixedly connected with first connecting ring, the top of vibration isolator body extends to the inner chamber of first connecting ring, and is connected with the inner chamber of first connecting ring with screw thread, the bottom of vibration isolator body extends to the inner chamber of second connecting ring, and is connected with the inner chamber of second connecting ring with screw thread, the cylinder includes base material, and the one side of base material is coated with composite layer, the side of base material away from composite layer is coated with anticorrosive layer, the composite layer includes sound-absorbing layer, reflection layer and sound insulation layer.

[0007] Further, in the utility model, the side of sound-absorbing layer is coated with reflection layer, the side of reflection layer away from sound-absorbing layer is coated with sound insulation layer, sound-absorbing layer uses sound-absorbing foam, reflection layer uses glass fiber material, and sound insulation layer uses polycarbonate.

[0008] Further, in the utility model, the top of cylinder cover is fixedly connected with buffer pad, the surface of cylinder is fixedly connected with buffer sleeve, the buffer sleeve and buffer pad are made of rubber material.

[0009] Furthermore, in this utility model, the bottom of the cylinder cover extends into the inner cavity of the cylinder body and is movably connected to the inner cavity of the cylinder body. A torsion plate is fixedly connected to the top of the cylinder cover, and a groove is provided on the top of the torsion plate.

[0010] Furthermore, in this invention, a sealing ring is fixedly connected to the top of the cylinder, and the inner wall of the sealing ring is in contact with the surface of the cylinder cover.

[0011] Furthermore, in this utility model, a mounting base is fixedly connected to the bottom of the cylinder, and the top of the mounting base is provided with four screw holes, which are evenly distributed on the top of the mounting base.

[0012] Beneficial effects: This utility model has the following beneficial effects:

[0013] This invention extends into the inner cavity of the second connecting ring as the vibration isolator body rotates, forming a threaded connection with the second connecting ring. Simultaneously, the cylinder cover drives the first connecting ring to rotate, allowing the first connecting ring to be fitted onto the upper end of the vibration isolator body and threadedly connected to it, thus completing the installation of the vibration isolator body. The threaded connection installation method not only facilitates subsequent disassembly and assembly but also ensures a tight connection between the cylinder and the cylinder cover and the vibration isolator body. The cylinder and cylinder cover enclose the vibration isolator body, thus protecting it. The anti-corrosion layer improves the corrosion resistance of the cylinder and cylinder cover. Furthermore, the combination of sound-absorbing, reflective, and sound-insulating layers reduces sound wave reflection and blocks sound propagation, thereby minimizing noise during vibration damping. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a cross-sectional structural diagram of the cylinder and cylinder cover of this utility model in their separated state;

[0016] Figure 3 This is a cross-sectional structural diagram of the cylindrical body of this utility model;

[0017] Figure 4 This is a cross-sectional structural diagram of the composite layer of this utility model.

[0018] In the picture:

[0019] 1. Cylinder body; 11. Substrate; 12. Composite layer; 121. Sound-absorbing layer; 122. Reflective layer; 123. Sound-insulating layer; 13. Anti-corrosion layer; 2. Cylinder cover; 3. Vibration isolator body; 4. First connecting ring; 5. Second connecting ring; 6. Buffer pad; 7. Buffer sleeve; 8. Torque disc; 9. Sealing ring; 10. Mounting base. Detailed Implementation

[0020] To better understand the technical content of this utility model, specific embodiments are described below in conjunction with the accompanying drawings. Various aspects of this utility model are described in this disclosure with reference to the accompanying drawings, which illustrate numerous illustrative embodiments. The embodiments of this disclosure are not necessarily defined to include all aspects of this utility model. It should be understood that the various concepts and embodiments described above, as well as those described in more detail below, can be implemented in any of many ways, because the concepts and embodiments disclosed in this utility model are not limited to any particular implementation. Furthermore, some aspects of this utility model can be used alone or in any suitable combination with other aspects disclosed in this utility model.

[0021] Example 1

[0022] like Figures 1-4 As shown, this is the first embodiment of the present invention. This embodiment provides an outer sleeve for a spring vibration isolator, including a cylinder 1. A cylinder cover 2 is movably connected to the top of the cylinder 1, and a vibration isolator body 3 is provided in the inner cavity of the cylinder 1. A second connecting ring 5 is fixedly connected to the bottom of the inner cavity of the cylinder 1, and a first connecting ring 4 is fixedly connected to the top of the inner cavity of the cylinder cover 2. The top of the vibration isolator body 3 extends into the inner cavity of the first connecting ring 4 and is threadedly connected to the inner cavity of the first connecting ring 4. The bottom of the vibration isolator body 3 extends into the inner cavity of the second connecting ring 5 and is threadedly connected to the inner cavity of the second connecting ring 5. The cylinder 1 includes a substrate 11, and a composite layer 12 is coated on one side of the substrate 11. An anti-corrosion layer 13 is coated on the side of the substrate 11 away from the composite layer 12. The composite layer 12 includes a sound-absorbing layer 121, a reflective layer 122, and a sound-insulating layer 123.

[0023] like Figures 1-4As shown, by placing the vibration isolator body 3 above the second connecting ring 5 in the inner cavity of the barrel body 1, by rotating the vibration isolator body 3, the bottom of the vibration isolator body 3 extends into the inner cavity of the second connecting ring 5 while the vibration isolator body 3 rotates, and the second connecting ring 5 is threadedly connected, while the barrel cover 2 is taken out, so that the barrel cover 2 enters the inner cavity of the barrel body 1, and then the barrel cover 2 closes the barrel body 1, and drives the first connecting ring 4 to move above the vibration isolator body 3, by rotating the barrel cover 2, the barrel cover 2 drives the first connecting ring 4 to rotate, which can make the first connecting ring 4 gradually sleeved on the upper end of the vibration isolator body 3 during rotation, and threadedly connected with the vibration isolator body 3, so as to complete the installation of the vibration isolator body 3. By adopting the threaded connection installation mode, not only the later disassembly and assembly work is facilitated, but also the tightness of the connection between the barrel body 1, the barrel cover 2 and the vibration isolator body 3 is ensured. The barrel body 1 and the barrel cover 2 cover the vibration isolator body 3, thereby protecting the vibration isolator body 3, and the corrosion resistance of the barrel body 1 and the barrel cover 2 is improved by the corrosion-resistant layer 13, preventing the barrel body 1 and the barrel cover 2 from being corroded by external environmental factors. The sound-absorbing layer 121, the reflecting layer 122 and the sound-insulating layer 123 combine the sound-absorbing and sound-insulating properties, which can not only reduce the reflection of sound waves, but also block the propagation of sound, thereby minimizing the noise generated by the vibration isolator body 3 when buffering vibration.

[0024] Embodiment 2

[0025] Referring to Figure 1 , 2 and 4, this is the second embodiment of the present application, which is based on the previous embodiment.

[0026] In this embodiment, one side of the sound-absorbing layer 121 is coated with a reflecting layer 122, and the side of the reflecting layer 122 away from the sound-absorbing layer 121 is coated with a sound-insulating layer 123. The sound-absorbing layer 121 is made of sound-absorbing foam, the reflecting layer 122 is made of glass fiber material, and the sound-insulating layer 123 is made of polycarbonate.

[0027] The top of the barrel cover 2 is fixedly connected with a buffer pad 6, and the surface of the barrel body 1 is fixedly connected with a buffer sleeve 7. The buffer sleeve 7 and the buffer pad 6 are both made of rubber material.

[0028] The bottom of the barrel cover 2 extends into the inner cavity of the barrel body 1 and is movably connected with the inner cavity of the barrel body 1. The top of the barrel cover 2 is fixedly connected with a twist disc 8, and the top of the twist disc 8 is provided with a groove.

[0029] As Figure 1 , 2As shown in 4, the sound absorbing layer 121 is sound absorbing foam, which can absorb the noise generated when the vibration isolator body 3 is vibrated and buffered, the reflecting layer 122 is glass fiber material, and the soundproof layer 123 is polycarbonate, which can block the noise generated when the vibration isolator body 3 is vibrated and buffered, so as to prevent the noise from being transmitted to the outside. The buffer sleeve 7 can protect the cylinder cover 2, and the buffer sleeve 7 can protect the cylinder body 1, so that when the external object collides with the cylinder body 1 and the cylinder cover 2, the first connecting ring 4 and the buffer pad 6 can buffer the impact force of the external object impact, and when the cylinder cover 2 needs to be rotated, the fingers can be inserted into the groove to rotate the twist disc 8. The twist disc 8 facilitates the rotation of the cylinder cover 2, improving the rotation convenience.

[0030] Example 3

[0031] Refer to Figure 3 As the third embodiment of the present application, this embodiment is based on the previous two embodiments.

[0032] In this embodiment, the top of the cylinder body 1 is fixedly connected with a sealing ring 9, and the inner wall of the sealing ring 9 is in contact with the surface of the cylinder cover 2.

[0033] The bottom of the cylinder body 1 is fixedly connected with a mounting seat 10, and the top of the mounting seat 10 is provided with four screw holes which are equidistantly distributed on the top of the mounting seat 10.

[0034] As shown in Figure 1 The sealing ring 9 is in contact with the cylinder cover 2, so that the sealing ring 9 can close the gap between the cylinder body 1 and the cylinder cover 2, preventing external impurities or water from entering, and the mounting seat 10 can stably support the cylinder body 1, and the screw holes facilitate the installation and fixation of the mounting seat 10, so as to ensure the stability of the cylinder body 1.

[0035] In use, first, the vibration isolator body 3 is placed above the second connecting ring 5 in the inner cavity of the cylinder body 1, the vibration isolator body 3 is rotated by rotating the vibration isolator body 3, and the bottom of the vibration isolator body 3 extends into the inner cavity of the second connecting ring 5 and is threadedly connected with the second connecting ring 5, at the same time, the cylinder cover 2 is taken out and is put into the inner cavity of the cylinder body 1, and then the cylinder cover 2 is closed to the cylinder body 1 and drives the first connecting ring 4 to move above the vibration isolator body 3, the first connecting ring 4 is rotated by rotating the cylinder cover 2, the first connecting ring 4 is gradually sleeved on the upper end of the vibration isolator body 3 in the rotating process and is threadedly connected with the vibration isolator body 3, so that the installation work of the vibration isolator body 3 is completed, the threaded connection installation mode is adopted, the threaded connection installation mode is convenient for later disassembly and assembly work, and the tightness of the connection between the cylinder body 1, the cylinder cover 2 and the vibration isolator body 3 is ensured, the vibration isolator body 3 is covered by the cylinder body 1 and the cylinder cover 2, so that the vibration isolator body 3 can be protected, the corrosion resistance of the cylinder body 1 and the cylinder cover 2 is improved by the corrosion-resistant layer 13, the cylinder body 1 and the cylinder cover 2 are prevented from being corroded by external environmental factors, noise generated during vibration buffering of the vibration isolator body 3 is absorbed by the sound-absorbing layer 121, and the reflection layer 122 cooperates with the sound-insulating layer 123 to block the noise, so that the sound-absorbing layer 121, the reflection layer 122 and the sound-insulating layer 123 are combined to reduce the reflection of sound waves and block the propagation of sound, so that the noise generated during vibration buffering of the vibration isolator body 3 can be reduced to the maximum extent.

[0036] The standard parts used in the application file can be purchased from the market, and can be ordered according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, the control mode is automatically controlled by the controller, the control circuit of the controller can be realized by simple programming of the person skilled in the art, which belongs to the common knowledge in the art, and the application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

[0037] Although the present application has been disclosed with the preferred embodiments, it is not intended to limit the present application. Those skilled in the art can make various modifications and improvements without departing from the spirit and scope of the present application. Therefore, the protection scope of the present application shall be subject to the definition of the claims.

Claims

1. An outer sleeve of a spring isolator, comprising a sleeve body (1), characterized in that: The top of the barrel (1) is movably connected with a barrel cover (2), and the inner cavity of the barrel (1) is provided with a vibration isolator body (3), the bottom of the inner cavity of the barrel (1) is fixedly connected with a second connecting ring (5), and the top of the inner cavity of the barrel cover (2) is fixedly connected with a first connecting ring (4), the top of the vibration isolator body (3) extends to the inner cavity of the first connecting ring (4) and is threadedly connected with the inner cavity of the first connecting ring (4), the bottom of the vibration isolator body (3) extends to the inner cavity of the second connecting ring (5) and is threadedly connected with the inner cavity of the second connecting ring (5), the barrel (1) comprises a base material (11), and one side of the base material (11) is coated with a composite layer (12), the side of the base material (11) away from the composite layer (12) is coated with a corrosion-resistant layer (13), the composite layer (12) comprises a sound-absorbing layer (121), a reflecting layer (122) and a sound-insulating layer (123).

2. The outer sleeve of the spring isolator of claim 1, wherein: One side of the sound-absorbing layer (121) is coated with a reflecting layer (122), the side of the reflecting layer (122) away from the sound-absorbing layer (121) is coated with a sound-insulating layer (123), the sound-absorbing layer (121) is sound-absorbing foam, the reflecting layer (122) is glass fiber material, and the sound-insulating layer (123) is polycarbonate.

3. The outer sleeve of the spring isolator of claim 1, wherein: The top of the barrel cover (2) is fixedly connected with a buffer pad (6), and the surface of the barrel (1) is fixedly connected with a buffer sleeve (7), the buffer sleeve (7) and the buffer pad (6) are both made of rubber material.

4. The outer sleeve of the spring isolator of claim 1, wherein: The bottom of the barrel cover (2) extends to the inner cavity of the barrel (1) and is movably connected with the inner cavity of the barrel (1), the top of the barrel cover (2) is fixedly connected with a twist disc (8), and the top of the twist disc (8) is provided with a groove.

5. The outer sleeve of the spring isolator of claim 1, wherein: The top of the barrel (1) is fixedly connected with a sealing ring (9), and the inner wall of the sealing ring (9) is in contact with the surface of the barrel cover (2).

6. The outer sleeve of the spring isolator of claim 1, wherein: The bottom of the barrel (1) is fixedly connected with a mounting seat (10), the top of the mounting seat (10) is provided with four screw holes which are equidistantly distributed on the top of the mounting seat (10).