Tire with low air cavity noise
By arranging a sound insulation board in the tire carcass and ensuring its stable installation using the insert plate and spring mechanism, the problems of increasing tire weight, increasing cost and limited noise reduction capabilities in the prior art are solved, and the effect of effectively eliminating cavity noise is achieved.
Patent Information
- Application Number
- CN202421386813.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-18
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-18
AI Technical Summary
The existing low-cavity noise tire technology leads to increased tire weight, increased cost, and limited ability to reduce cavity noise.
The sound insulation panel is arranged symmetrically in the carcass to prevent vibration of the cavity in the tire, and the sound insulation panel installation is stabilized through the insertion plate and spring mechanism to reduce noise.
It effectively eliminates tire cavity noise, and the device is simple in structure, light in weight and low in cost, and has high installation stability of sound insulation boards and is not easy to loosen.
Smart Images

Figure CN222591136U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tires, in particular to a tire with low cavity noise. Background Art
[0002] As one of the important parts of a car, automobile tires have a vital impact on the ride comfort performance of the car. The rapid development of the electric vehicle industry has eliminated the noise impact of the engine, so the cavity noise generated by the tire has attracted more and more attention. Manufacturing a tire with low cavity noise has become a research direction that tire manufacturers pay close attention to.
[0003] The current mainstream low cavity noise tire technology requires applying a layer of glue inside the tire and then affixing thicker sound-absorbing cotton, which increases the weight of the tire and the cost. Although it can reduce cavity noise, the reduction ability is limited. Utility Model Content
[0004] The utility model aims to provide a tire with low cavity noise, which solves the problems that the weight of the tire becomes larger, the cost increases, and although the cavity noise can be reduced, the reduction capacity is limited.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low cavity noise tire, comprising a carcass, an annular groove is provided on the surface of the carcass, a transverse groove is provided on the surface of the carcass, the transverse groove and the annular groove are communicated, a sound insulation board is slidably connected to the inside of the carcass, a plug plate is fixedly connected to the side of the sound insulation board, a card block is fixedly connected to the edge of the plug plate, the card block is slidably connected to the carcass, the plug plate is slidably connected to the carcass, the inner wall of the carcass is fixedly connected to the plug block, and a mounting mechanism is provided on the sound insulation board.
[0006] Preferably, the mounting mechanism includes a mounting plate, the mounting plate and the sound insulation plate are fixedly connected, the mounting plate is in contact with the tire body, the mounting plate and the plug block are slidably connected, the mounting plate is internally slidably connected with a latch, the latch and the plug block are slidably connected, a spring is provided inside the mounting plate, a lever is welded to the upper end of the latch, the mounting plate is internally slidably connected with a limit plate, and the surface of the mounting plate is in contact with a connecting ring. The sound insulation plates are symmetrically arranged in the tire body to block the vibration of the cavity in the tire, thereby eliminating the tire cavity noise, and the plug plate is inserted into the tire body, and at the same time, the spring acts on the latch, so that the latch plug block cooperates, and the plug block and the mounting plate are connected, so that the sound insulation plate is more stable in the tire body and is not easy to loosen.
[0007] Preferably, one end of the spring is fixedly connected to the latch, and the other end of the spring is fixedly connected to the mounting plate. By providing the spring, the latch is easy to reset.
[0008] Preferably, the limit plate is made of rubber, and the limit plate is slidably connected to the lever. The limit plate is provided to prevent the lever from loosening.
[0009] Preferably, a connecting belt is fixedly connected to the outer circumferential surface of the connecting ring, and the connecting belt is fixedly connected to the limiting plate. By providing the connecting belt, the limiting plate is not easy to fall off.
[0010] Preferably, a support shaft is fixedly connected to the upper end of the mounting plate, and the support shaft is rotatably connected to the connecting ring. The connecting ring is limited by setting the support shaft.
[0011] The beneficial effects of the utility model are as follows:
[0012] The utility model eliminates tire cavity noise by symmetrically arranging sound insulation boards in the tire body to block the vibration of the tire cavity. The device has a simple structure, light weight, and low cost. The device is inserted into the tire body through the plug board. At the same time, a spring acts on the plug pin to make the plug block cooperate, and the plug block is connected to the mounting plate, so that the sound insulation board is installed in the tire body with higher stability and is not easy to loosen. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;
[0014] Figure 2 For this utility model Figure 1 Left side sectional view;
[0015] Figure 3 For this utility model Figure 2 A magnified image of point A;
[0016] Figure 4 For this utility model Figure 1 A front cross-sectional view of a local structure;
[0017] Figure 5 For this utility model Figure 4 Enlarged view of point B.
[0018] In the figure: 1. carcass; 2. annular groove; 3. transverse groove; 4. sound insulation board; 5. plug board; 6. clamping block; 7. plug block; 8. mounting mechanism; 81. mounting plate; 82. latch; 83. spring; 84. lever; 85. limit plate; 86. connecting ring; 87. connecting belt; 88. support shaft. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-Figure 4 A low cavity noise tire comprises a carcass 1, an annular groove 2 is provided on the surface of the carcass 1, a transverse groove 3 is provided on the surface of the carcass 1, the transverse groove 3 is communicated with the annular groove 2, a sound insulation board 4 is slidably connected to the inside of the carcass 1, a plug plate 5 is fixedly connected to the side of the sound insulation board 4, a block 6 is fixedly connected to the edge of the plug plate 5, the block 6 is slidably connected to the carcass 1, the plug plate 5 is slidably connected to the carcass 1, an plug block 7 is fixedly connected to the inner wall of the carcass 1, and a mounting mechanism 8 is provided on the sound insulation board 4.
[0021] See also Figure 4 , Figure 5 The mounting mechanism 8 includes a mounting plate 81, the mounting plate 81 and the sound insulation plate 4 are fixedly connected, the mounting plate 81 and the carcass 1 are in contact, the mounting plate 81 and the plug block 7 are slidably connected, the mounting plate 81 is internally slidably connected with a latch 82, the latch 82 and the plug block 7 are slidably connected, a spring 83 is arranged inside the mounting plate 81, one end of the spring 83 is fixedly connected to the latch 82, and the other end of the spring 83 is fixedly connected to the mounting plate 81, by arranging the spring 83, the latch 82 is easy to reset, a lever 84 is welded to the upper end of the latch 82, the internal sliding connection of the mounting plate 81 is provided with a limit plate 85, the limit plate 85 is made of rubber, the limit plate 85 and the lever 84 are slidably connected, and the limit plate 85 is arranged to prevent the lever 84 from loosening.
[0022] See also Figure 4 , Figure 5 The surface of the mounting plate 81 is in contact with a connecting ring 86, and a connecting belt 87 is fixedly connected to the outer circumferential surface of the connecting ring 86. The connecting belt 87 is fixedly connected to the limiting plate 85. By setting the connecting belt 87, the limiting plate 85 is not easy to fall off. The upper end of the mounting plate 81 is fixedly connected to a supporting shaft 88, and the supporting shaft 88 is rotatably connected to the connecting ring 86. The connecting ring 86 is limited by setting the supporting shaft 88. The sound insulation board 4 is symmetrically arranged in the tire body 1 to block the vibration of the cavity in the tire, thereby eliminating the tire cavity noise, and is inserted into the tire body 1 through the plug plate 5. At the same time, the spring 83 acts on the plug pin 82, so that the plug pin 82 cooperates with the plug block 7, and the plug block 7 is connected to the mounting plate 81, so that the sound insulation board 4 is installed in the tire body 1 with higher stability and is not easy to loosen.
[0023] The specific implementation process of the utility model is as follows: when in use, the sound insulation board 4 is located between the rims in the tire body 1, and the vibration of the tire cavity is blocked by symmetrically arranging the sound insulation board 4 in the tire body 1, thereby eliminating the tire cavity noise. When installing the sound insulation board 4, the plug 5 and the card block 6 on the side of the sound insulation board 4 are inserted into the tire body 1 through the elastic deformation of the tire body 1. At the same time, the limit plate 85 and the latch 82 are manually moved to separate, and then the lever 84 is manually moved, and the lever 84 drives the latch 82 to slide in the mounting plate 81, so that the latch 82 and the plug block 7 are separated. At this time, the mounting plate 81 is pressed down so that the plug block 7 is inserted into Insert it into the mounting plate 81, release the lever 84, and the spring 83 is reset to make the pin 82 enter the plug block 7, connecting the plug block 7 and the mounting plate 81, and the limit plate 85 is sleeved on the outside of the lever 84 and pressed into the mounting plate 81. The sound insulation board 4 is symmetrically arranged in the tire body 1 to block the vibration of the tire cavity, thereby eliminating the tire cavity noise, and is inserted into the tire body 1 through the plug plate 5. At the same time, the spring 83 acts on the pin 82, so that the pin 82 and the plug block 7 are matched, and the plug block 7 and the mounting plate 81 are connected, so that the sound insulation board 4 is installed in the tire body 1 with higher stability and is not easy to loosen.
[0024] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A low cavity noise tire, comprising a carcass (1), characterized in that: The surface of the carcass (1) is provided with an annular groove (2), the surface of the carcass (1) is provided with a transverse groove (3), the transverse groove (3) and the annular groove (2) are communicated, a sound insulation board (4) is slidably connected inside the carcass (1), a plug plate (5) is fixedly connected to the side of the sound insulation board (4), a clamping block (6) is fixedly connected to the edge of the plug plate (5), the clamping block (6) is slidably connected to the carcass (1), the plug plate (5) is slidably connected to the carcass (1), the inner wall of the carcass (1) is fixedly connected to the plug block (7), and a mounting mechanism (8) is provided on the sound insulation board (4).
2. A tire with low cavity noise according to claim 1, characterized in that: The mounting mechanism (8) comprises a mounting plate (81), the mounting plate (81) and the sound insulation plate (4) are fixedly connected, the mounting plate (81) and the carcass (1) are in contact, the mounting plate (81) and the plug block (7) are slidably connected, a latch (82) is slidably connected inside the mounting plate (81), the latch (82) and the plug block (7) are slidably connected, a spring (83) is arranged inside the mounting plate (81), a lever (84) is welded to the upper end of the latch (82), a limit plate (85) is slidably connected inside the mounting plate (81), and a connecting ring (86) is in contact with the surface of the mounting plate (81).
3. A tire with low cavity noise according to claim 2, characterized in that: One end of the spring (83) is fixedly connected to the latch (82), and the other end of the spring (83) is fixedly connected to the mounting plate (81).
4. A tire with low cavity noise according to claim 2, characterized in that: The limiting plate (85) is made of rubber material, and the limiting plate (85) and the shifting rod (84) are slidably connected.
5. The low cavity noise tire according to claim 2, characterized in that: A connecting belt (87) is fixedly connected to the outer circumferential surface of the connecting ring (86), and the connecting belt (87) is fixedly connected to the limiting plate (85).
6. A tire with low cavity noise according to claim 2, characterized in that: A support shaft (88) is fixedly connected to the upper end of the mounting plate (81), and the support shaft (88) is rotatably connected to the connecting ring (86).