Shock absorption and noise reduction structure of electric tricycle

By setting up shock absorbers, connecting rods, rubber rings and buffer mechanisms on electric tricycles, combining corrosion-resistant and wear-resistant layers, the problems of high noise and poor durability of rubber rings on bumpy roads are solved, achieving better shock absorption and user experience.

CN223224484UActive Publication Date: 2025-08-15SHANDONG NIUDIAN AUTOMOBILE TECH CO LTD
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Patent Information

Application Number
CN202421086712.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-19
Publication Date
2025-08-15
Estimated Expiration
2034-05-19

AI Technical Summary

Technical Problem

Most of the shock-absorbing parts of existing electric tricycles are rigidly connected, which leads to excessive noise on bumpy roads, affecting the user experience. The rubber ring has poor corrosion resistance and wear resistance, short service life, and prone to insufficient lubrication and lag.

Method used

The shock absorber, connecting rod, first rubber ring and buffer mechanism are adopted, combined with the buffer assembly, annular block and a connection block, and by changing the connection method between the annular block and the shock absorber, the auxiliary buffer assembly and rubber ring are used to absorb shock and noise, and the corrosion resistance and wear resistance of the rubber sleeve are improved through the corrosion-resistant layer and wear-resistant layer, and sealed with oil sealing bolts and sealing rings.

Benefits of technology

It effectively reduces noise on bumpy roads, improves the driving experience of users, extends the service life of the rubber sleeve, avoids lag and oil leakage, and improves the overall use effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shock absorption and noise reduction structure of an electro-tricycle, which belongs to the technical field of electro-tricycle accessories, and comprises a shock absorber and a connecting rod, the surface of the shock absorber is sleeved with a first rubber ring, and the surface of the connecting rod is movably connected with a buffer mechanism. The surface of the buffering mechanism is movably connected with the surface of the shock absorber, the bottom of the buffering mechanism makes contact with the top of the first rubber ring, a connecting frame is arranged on the surface of the connecting rod, and the buffering mechanism comprises a buffering assembly, an annular block and a connecting block. The problems that when the electric tricycle runs on a bumpy road surface, noise is too large due to insufficient damping, the use experience of a user is affected, and damping parts of most electric tricycles are insufficient in lubrication after being used for a certain time, so that the interior of the damping parts is prone to being blocked, and the use effect is affected are solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electric tricycle accessories, in particular to a shock-absorbing and noise-reducing structure for an electric tricycle. Background Art

[0002] Shock-absorbing rubber rings are products that use the elastic deformation of rubber to absorb and reduce vibration and noise. They are usually composed of rubber and reinforcing materials such as fabric and steel wire. When subjected to external force, the rubber molecules will deform, thereby absorbing energy and reducing the transmission of vibration and noise.

[0003] At present, the Chinese patent with announcement number CN214648703U discloses a shock-absorbing seat for an electric tricycle, including a load-bearing seat, a placement cavity being provided in the load-bearing seat, and the upper end of the placement cavity being communicated with the outside, a load-bearing block is installed on the load-bearing seat at the middle position in the placement cavity, the left and right sides of the load-bearing block are provided with mounting grooves in the load-bearing seat, and a placement plate is provided above the load-bearing block, both sides below the placement plate are connected to the load-bearing block through a first buffer spring, and both sides above the placement plate are provided with a seat cushion support plate, the seat cushion support plate extends away from one end of the placement plate into the installation groove and is connected to the bottom of the installation groove through a buffer assembly, and a seat cushion is placed above the seat cushion support plates on both sides. This shock-absorbing seat for an electric tricycle is provided with a seat cushion support plate on both sides below the seat cushion, and the two sides below the seat cushion support plate are respectively provided with a first buffer spring and a second buffer spring for shock absorption and buffering, so that the driver is more comfortable during driving.

[0004] However, the shock-absorbing parts of existing electric tricycles are mostly rigidly connected. When the vehicle is traveling on a bumpy road, excessive noise will occur due to insufficient shock absorption, affecting the user experience. In addition, the corrosion resistance and wear resistance of most rubber rings are poor, which affects the service life of the rubber rings. In addition, the shock-absorbing parts of most electric tricycles will be insufficiently lubricated after being used for a certain period of time, which may easily cause jamming inside the shock-absorbing parts, making it inconvenient for users to use. Utility Model Content

[0005] The utility model provides a shock-absorbing and noise-reducing structure for an electric tricycle, aiming to solve the problem that the shock-absorbing parts of existing electric tricycles are mostly rigidly connected, and when the vehicle is traveling on a bumpy road, excessive noise will be generated due to insufficient shock absorption, affecting the user's experience, and most rubber rings have poor corrosion resistance and wear resistance, which affects the service life of the rubber rings. In addition, the shock-absorbing parts of most electric tricycles will be insufficiently lubricated after being used for a certain period of time, which easily leads to jamming inside the shock-absorbing parts, thereby affecting the use effect.

[0006] The utility model is implemented as follows: a shock absorption and noise reduction structure for an electric tricycle includes a shock absorber and a connecting rod, wherein a first rubber ring is sleeved on the surface of the shock absorber, a buffer mechanism is movably connected to the surface of the connecting rod, the surface of the buffer mechanism is movably connected to the surface of the shock absorber, the bottom of the buffer mechanism contacts the top of the first rubber ring, and a connecting frame is provided on the surface of the connecting rod;

[0007] The buffer mechanism includes a buffer component, an annular block and a connecting block. The connecting block is bolted to the annular block on one side close to the annular block. The surface of the buffer component is plugged into the inner wall of the annular block. The inner wall of the buffer component is plugged into the surface of the shock absorber.

[0008] In order to achieve the effect of shock absorption and noise reduction of the buffer component, as a preferred shock absorption and noise reduction structure of an electric tricycle of the present invention, the buffer component includes a second rubber ring and a rubber sleeve, the top of the rubber sleeve is bonded to the bottom of the second rubber ring, the surface of the rubber sleeve is plugged into the surface of the annular block, the bottom of the second rubber ring is in contact with the top of the annular block, and the inner wall of the rubber sleeve is hollow.

[0009] In order to increase the service life of the rubber sleeve, as a preferred shock-absorbing and noise-reducing structure of an electric tricycle of the present invention, the rubber sleeve includes a surface layer, the surface of the surface layer is provided with a corrosion-resistant layer, and the surface of the corrosion-resistant layer is provided with a wear-resistant layer.

[0010] In order to achieve the effect of increasing the corrosion resistance of the rubber sleeve, as a preferred shock-absorbing and noise-reducing structure for an electric tricycle of the present invention, the material of the corrosion-resistant layer is fluororubber, and the material of the wear-resistant layer is carbon black.

[0011] In order to achieve the effect of the oil sealing bolt rotating on the inner wall of the shock absorber, as an electric tricycle shock absorption and noise reduction structure of the utility model, the surface of the shock absorber is plugged into the inner wall of the rubber sleeve, and the surface of the shock absorber is plugged into the inner wall of the second rubber sleeve. The surface of the shock absorber is threadedly connected to the limiting block, and the bottom of the limiting block is in close contact with the top of the second rubber sleeve. The surface of the shock absorber is threadedly connected to the oil sealing bolt, and a torsion block is welded on the left side of the oil sealing bolt.

[0012] In order to achieve the sealing effect of the sealing ring, as a preferred shock-absorbing and noise-reducing structure of an electric tricycle of the present invention, a sealing ring is bonded to the right side of the oil-sealing bolt, and the surface of the sealing ring is clamped with the inner wall of the shock absorber.

[0013] In order to achieve the effect of the sealing ring being clamped on the inner wall of the shock absorber through the sealing groove, as an electric tricycle shock absorption and noise reduction structure preferred in the present invention, the inner wall of the limit block is provided with a threaded hole used in conjunction with the shock absorber, and the surface of the shock absorber is provided with a sealing groove used in conjunction with the sealing ring.

[0014] In order to achieve the effect of the nut rotating on the surface of the connecting rod, as a preferred shock-absorbing and noise-reducing structure for an electric tricycle of the present invention, the surface of the connecting rod is covered with a rubber pad, and the surface of the connecting rod is threadedly connected with a nut.

[0015] Compared with the prior art, the beneficial effects of the present invention are:

[0016] The shock absorption and noise reduction structure of the electric tricycle is provided with a shock absorber, a connecting rod, a first rubber ring, a buffer mechanism and a connecting frame. When in use, the first rubber ring is installed on the surface of the shock absorber, and then the staff inserts the buffer assembly into the inner wall of the annular block, so that the annular block can subsequently drive the buffer assembly to be installed on the surface of the shock absorber. Then the staff limits the position of the shock absorber. When the electric tricycle is subsequently traveling on a relatively bumpy road, by changing the connection method between the annular block and the shock absorber, the buffer assembly and the first rubber ring can be used to assist in shock absorption and noise reduction, thereby improving the user's driving experience. The connecting frame is provided on the surface of the connecting rod, so that the connecting rod can be subsequently installed on the tricycle through the connecting frame, which is convenient for the user to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is an overall structural diagram of the shock absorption and noise reduction structure of the electric tricycle of the present utility model;

[0018] Figure 2 This is a structural diagram of the buffer mechanism in the present utility model;

[0019] Figure 3 This is a structural diagram of the buffer component in the present utility model;

[0020] Figure 4 This is a structural diagram of the connecting rod in the present utility model;

[0021] Figure 5 This is a structural diagram of the oil sealing bolt in the utility model;

[0022] Figure 6 This is a structural diagram of the surface layer in this utility model.

[0023] In the figure, 1. shock absorber; 2. buffer mechanism; 201. buffer assembly; 2011. second rubber ring; 2012. rubber sleeve; 20121. surface layer; 20122. corrosion-resistant layer; 20123. wear-resistant layer; 202. annular block; 203. connecting block; 3. connecting rod; 4. first rubber ring; 5. connecting frame; 6. limit block; 7. oil sealing bolt; 8. torsion block; 9. sealing ring; 10. threaded hole; 11. sealing groove; 12. rubber pad; 13. nut. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0025] In the description of the present invention, it should be understood that the terms "length," "width," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," and the like, indicating positions or location relationships, are based on the positions or location relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. Furthermore, in the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

[0026] See also Figure 1-6 The utility model provides a technical solution: a shock absorption and noise reduction structure for an electric tricycle, comprising a shock absorber 1 and a connecting rod 3. The surface of the shock absorber 1 is sleeved with a first rubber ring 4. The surface of the connecting rod 3 is movably connected to a buffer mechanism 2. The surface of the buffer mechanism 2 is movably connected to the surface of the shock absorber 1. The bottom of the buffer mechanism 2 contacts the top of the first rubber ring 4. The surface of the connecting rod 3 is provided with a connecting frame 5.

[0027] The buffer mechanism 2 includes a buffer component 201, an annular block 202 and a connecting block 203. The connecting block 203 is bolted to the annular block 202 on one side close to the annular block 202. The surface of the buffer component 201 is plugged into the inner wall of the annular block 202. The inner wall of the buffer component 201 is plugged into the surface of the shock absorber 1.

[0028] In this embodiment: by setting the shock absorber 1, the connecting rod 3, the first rubber ring 4, the buffer mechanism 2 and the connecting frame 5, the first rubber ring 4 is installed on the surface of the shock absorber 1 when in use, and then the staff inserts the buffer assembly 201 into the inner wall of the annular block 202, so that the annular block 202 can drive the buffer assembly 201 to be installed on the surface of the shock absorber 1. Then the staff limits the position of the shock absorber 1. When the electric tricycle is subsequently traveling on a bumpy road, by changing the connection method between the annular block 202 and the shock absorber 1, the buffer assembly 201 and the first rubber ring 4 can be used to assist in shock absorption and noise reduction, thereby improving the user's driving experience. The connecting frame 5 is arranged on the surface of the connecting rod 3, so that the connecting rod 3 can be subsequently installed on the tricycle through the connecting frame 5, which is convenient for the user to use.

[0029] As a technical optimization solution of the present invention, the buffer assembly 201 includes a second rubber ring 2011 and a rubber sleeve 2012. The top of the rubber sleeve 2012 is bonded to the bottom of the second rubber ring 2011, the surface of the rubber sleeve 2012 is plugged into the surface of the annular block 202, the bottom of the second rubber ring 2011 is in contact with the top of the annular block 202, and the inner wall of the rubber sleeve 2012 is hollow.

[0030] In this embodiment, a second rubber ring 2011 and a rubber sleeve 2012 are provided. When in use, the rubber sleeve 2012 and the second rubber ring 2011 are fixed in position, so that the second rubber ring 2011 can drive the rubber sleeve 2012 to be inserted into the inner wall of the annular block 202. The annular block 202 can then be used to drive the second rubber ring 2011 and the rubber sleeve 2012 to be installed on the surface of the shock absorber 1, thereby facilitating vibration and noise reduction. The hollow configuration of the rubber sleeve 2012 facilitates installation of the rubber sleeve 2012 on the surface of the shock absorber 1, thereby preventing direct contact between the shock absorber 1 and the annular block 202.

[0031] As a technical optimization solution of the present invention, the rubber sleeve 2012 includes a surface layer 20121 , a corrosion-resistant layer 20122 is provided on the surface of the surface layer 20121 , and a wear-resistant layer 20123 is provided on the surface of the corrosion-resistant layer 20122 .

[0032] In this embodiment: by providing a corrosion-resistant layer 20122, the corrosion resistance of the rubber sleeve 2012 is increased, and by providing a wear-resistant layer 20123, the wear resistance of the rubber sleeve 2012 is increased, thereby preventing the rubber sleeve 2012 from aging and damage after a certain period of use.

[0033] As a technical optimization solution of the present invention, the material of the corrosion-resistant layer 20122 is fluororubber, and the material of the wear-resistant layer 20123 is carbon black.

[0034] In this embodiment: the material of the corrosion-resistant layer 20122 is fluororubber, which is convenient for improving the corrosion resistance of the rubber sleeve 2012, and the rubber sleeve 2012 has good heat resistance. The material of the wear-resistant layer 20123 is carbon black, which is convenient for increasing the strength of the rubber sleeve 2012 and increasing the wear resistance of the rubber sleeve 2012.

[0035] As a technical optimization solution of the present invention, the surface of the shock absorber 1 is plugged into the inner wall of the rubber sleeve 2012, the surface of the shock absorber 1 is plugged into the inner wall of the second rubber sleeve 2012, the surface of the shock absorber 1 is threadedly connected to the limiting block 6, the bottom of the limiting block 6 is in close contact with the top of the second rubber sleeve 2012, the surface of the shock absorber 1 is threadedly connected to the oil sealing bolt 7, and a torsion block 8 is welded to the left side of the oil sealing bolt 7.

[0036] In this embodiment: the position of the rubber sleeve 2012 is fixed with the second rubber sleeve 2012, which facilitates the subsequent installation and fixing work of the rubber sleeve 2012 driven by the second rubber sleeve 2012; by providing a limit block 6, the limit block 6 is rotated on the surface of the shock absorber 1 during use, so that the limit block 6 is in close contact with the second rubber sleeve 2012, which facilitates limiting the position of the shock absorber 1 through the limit block 6; by providing an oil sealing bolt 7 and a torsion block 8, the position of the torsion block 8 and the oil sealing bolt 7 are fixed during use, which facilitates the subsequent rotation of the oil sealing bolt 7 on the inner wall of the shock absorber 1 through the torsion block 8, which facilitates the oil sealing bolt 7 to perform oil sealing work.

[0037] As a technical optimization solution of the present invention, a sealing ring 9 is bonded to the right side of the oil sealing bolt 7 , and the surface of the sealing ring 9 is engaged with the inner wall of the shock absorber 1 .

[0038] In this embodiment: by providing a sealing ring 9, the position of the sealing ring 9 and the oil sealing bolt 7 are fixed during use, so that the oil sealing bolt 7 can drive the sealing ring 9 to be clamped to the inner wall of the shock absorber 1, thereby facilitating sealing work and avoiding oil leakage.

[0039] As a technical optimization solution of the present invention, the inner wall of the limit block 6 is provided with a threaded hole 10 for use with the shock absorber 1 , and the surface of the shock absorber 1 is provided with a sealing groove 11 for use with the sealing ring 9 .

[0040] In this embodiment: the threaded hole 10 opened on the inner wall of the limit block 6 facilitates the threaded connection between the limit block 6 and the shock absorber 1, and the sealing groove 11 opened on the inner wall of the shock absorber 1 facilitates the sealing ring 9 to be clamped to the inner wall of the shock absorber 1 through the sealing groove 11.

[0041] As a technical optimization solution of the present invention, a rubber pad 12 is sleeved on the surface of the connecting rod 3 , and a nut 13 is threadedly connected to the surface of the connecting rod 3 .

[0042] In this embodiment, the rubber pad 12 is mounted on the surface of the connecting rod 3 and then the nut 13 is rotated on the surface of the connecting rod 3 to limit the position of the connecting rod 3 by the nut 13, making it easier for users to use.

[0043] Working principle: First, when using, install the first rubber ring 4 on the surface of the shock absorber 1, and then the staff will plug the buffer component 201 into the inner wall of the annular block 202, so that the annular block 202 can drive the buffer component 201 to be installed on the surface of the shock absorber 1. Then the staff will limit the position of the shock absorber 1. When the electric tricycle is driving on a bumpy road, by changing the connection method between the annular block 202 and the shock absorber 1, the buffer component 201 and the first rubber ring 4 can be used to assist in shock absorption and noise reduction, so as to improve the driving experience of the user. The connecting frame 5 is set on the connecting rod 3, so that the connecting rod 3 can be subsequently installed on the tricycle through the connecting frame 5, which is convenient for users to use. It is fixed by the position of the sealing ring 9 and the oil sealing bolt 7, so that the oil sealing bolt 7 can drive the sealing ring 9 to be clamped to the inner wall of the shock absorber 1, which is convenient for sealing and avoids oil leakage. The material of the corrosion-resistant layer 20122 is fluororubber, which is convenient for improving the corrosion resistance of the rubber sleeve 2012, and the rubber sleeve 2012 has good heat resistance. The material of the wear-resistant layer 20123 is carbon black, which is convenient for increasing the strength of the rubber sleeve 2012 and increasing the wear resistance of the rubber sleeve 2012.

[0044] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A shock-absorbing and noise-reducing structure for an electric tricycle, comprising a shock absorber (1) and a connecting rod (3), characterized in that: The surface of the shock absorber (1) is sleeved with a first rubber ring (4), the surface of the connecting rod (3) is movably connected to a buffer mechanism (2), the surface of the buffer mechanism (2) is movably connected to the surface of the shock absorber (1), the bottom of the buffer mechanism (2) is in contact with the top of the first rubber ring (4), and the surface of the connecting rod (3) is provided with a connecting frame (5); The buffer mechanism (2) comprises a buffer component (201), an annular block (202) and a connecting block (203); the connecting block (203) is bolted to the annular block (202) on one side close to the annular block (202); the surface of the buffer component (201) is plugged into the inner wall of the annular block (202); and the inner wall of the buffer component (201) is plugged into the surface of the shock absorber (1).

2. The shock-absorbing and noise-reducing structure for an electric tricycle according to claim 1, characterized in that: The buffer assembly (201) comprises a second rubber ring (2011) and a rubber sleeve (2012); the top of the rubber sleeve (2012) is bonded to the bottom of the second rubber ring (2011); the surface of the rubber sleeve (2012) is plugged into the surface of the annular block (202); the bottom of the second rubber ring (2011) is in contact with the top of the annular block (202); and the inner wall of the rubber sleeve (2012) is hollow.

3. The shock absorption and noise reduction structure of an electric tricycle according to claim 2, characterized in that: The rubber sleeve (2012) comprises a surface layer (20121), a corrosion-resistant layer (20122) is provided on the surface of the surface layer (20121), and a wear-resistant layer (20123) is provided on the surface of the corrosion-resistant layer (20122).

4. The shock absorption and noise reduction structure of an electric tricycle according to claim 3, characterized in that: The material of the corrosion-resistant layer (20122) is fluororubber, and the material of the wear-resistant layer (20123) is carbon black.

5. The shock absorption and noise reduction structure of an electric tricycle according to claim 2, characterized in that: The surface of the shock absorber (1) is plugged into the inner wall of the rubber sleeve (2012), the surface of the shock absorber (1) is plugged into the inner wall of the second rubber sleeve (2012), the surface of the shock absorber (1) is threadedly connected to a limit block (6), the bottom of the limit block (6) is in close contact with the top of the second rubber sleeve (2012), the surface of the shock absorber (1) is threadedly connected to an oil sealing bolt (7), and a torsion block (8) is welded to the left side of the oil sealing bolt (7).

6. The electric tricycle shock absorption and noise reduction structure according to claim 5, characterized in that: A sealing ring (9) is bonded to the right side of the oil sealing bolt (7), and the surface of the sealing ring (9) is engaged with the inner wall of the shock absorber (1).

7. The electric tricycle shock absorption and noise reduction structure according to claim 6, characterized in that: The inner wall of the limit block (6) is provided with a threaded hole (10) for use with the shock absorber (1), and the surface of the shock absorber (1) is provided with a sealing groove (11) for use with the sealing ring (9).

8. The shock absorption and noise reduction structure for an electric tricycle according to claim 1, characterized in that: The surface of the connecting rod (3) is covered with a rubber pad (12), and the surface of the connecting rod (3) is threadedly connected with a nut (13).

Citation Information

Patent Citations

  • Damping seat of electric tricycle

    CN214648703U