An adjustable bicycle handlebar

Abstract

This utility model discloses an adjustable bicycle handlebar, relating to the field of bicycles. The utility model includes a front fork, a connecting tube fixed to the top of the front fork, a handlebar body inserted into the connecting tube, limit rings fixed to both ends of the handlebar body, and sleeves fitted to both ends of the handlebar body, with connecting rings fixed to both ends of the sleeves. The outer wall of the sleeves is provided with an anti-slip sleeve, and four positioning grooves are formed at both ends of the handlebar body. Both the anti-slip sleeves and sleeves of this utility model adopt a detachable design. When the anti-slip sleeve is worn, aged, or needs to be changed, it can be directly removed and replaced from the outer wall of the sleeve. If the sleeve needs maintenance, only the retaining ring needs to be loosened, and the sleeve can be removed along the positioning groove without disassembling the entire handlebar body. Furthermore, it eliminates the need for external tools or injecting lubricant through the gap between the handlebar sleeve and the handlebar before removal, thus simplifying the disassembly process and improving the efficiency of removing and replacing the anti-slip sleeve.

Description

Technical Field

[0001] This utility model relates to the field of bicycles, specifically to an adjustable bicycle handlebar. Background Technology

[0002] A bicycle is a small land vehicle driven by human pedaling. It is usually two-wheeled, but there are also three-wheeled ones (mainly used for freight and relatively rare). It can be used as an environmentally friendly means of transportation for getting around, as well as as fitness equipment for cycling and cycling tours. It is also a competitive sport, with road cycling races, mountain biking races, track cycling races, and stunt cycling competitions. The bicycle handlebars are an important component of the bicycle.

[0003] Current adjustable bicycle handlebars typically have friction grips, but these grips (i.e., anti-slip grips) wear out or become damaged after prolonged use, requiring removal and replacement. Current friction grips can be removed using a pneumatic method: pinch the end of the grip, pull it slightly off the handlebar, insert a straw or cable tie between the grip and handlebar, and blow air into the straw. Alternatively, use an air pump (without the valve) to quickly pump air into the gap. This allows air to enter the grip, breaking the vacuum and providing lubrication, allowing the grip to be easily pulled off by rotating it left and right. However, this method requires finding the air pump and straw, and then pumping air, making the removal process time-consuming. Another method involves lubrication. To remove the grip, the steps are as follows: Use a suitable lubricant, then pinch the edge of the grip to expose the gap. Use a pointed oil bottle or syringe to drip or spray isopropyl alcohol into the gap between the grip and the handlebars. Rotate the grip left and right to allow the alcohol to fully penetrate, and pull it outwards to remove it. This method, along with the pneumatic method, requires finding additional parts. If the user does not have the above tools at home, it is difficult to remove the grip for replacement using the pneumatic and lubrication methods. Some people use the lever method to remove the grip. The steps are to first find a flat-headed screwdriver, carefully insert the screwdriver tip into the gap between the grip and the handlebars, and gently twist the screwdriver to allow air to enter, thereby widening the gap. However, this method requires careful use of force. If too much force is applied, it may tear the grip and scratch the handlebars, thus reducing the efficiency of removing the grip. Utility Model Content

[0004] Therefore, the purpose of this utility model is to provide an adjustable bicycle handlebar to solve the technical problem of the inconvenience of disassembling and replacing the handlebar grips.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an adjustable bicycle handlebar, including a front fork, a connecting tube fixed to the top of the front fork, a handlebar body inserted into the connecting tube, limit rings fixed to both ends of the handlebar body, sleeves fitted to both ends of the handlebar body, connecting rings fixed to both ends of the sleeves, and anti-slip sleeves provided on the outer walls of the sleeves, four positioning grooves opened at both ends of the handlebar body, positioning strips inserted into the positioning grooves, the positioning strips being fixedly connected to the inner walls of the sleeves, and abutment rings fitted to both ends of the handlebar body, with a washer installed on one side of the abutment ring, and an anti-slip washer provided on the inner wall of the washer ring.

[0006] By adopting the above technical solution, the anti-slip sleeve, which is in direct contact with the rider's hand, enhances the friction between the hand and the handlebars through its own material and surface anti-slip texture, preventing the hand from slipping while riding (especially in sweaty or humid environments), while also cushioning the vibrations received by the hand and improving grip comfort.

[0007] Furthermore, the outer walls at both ends of the handle body and the inner wall of the clamping ring are both threaded, and the clamping ring is threadedly connected to the handle body.

[0008] By adopting the above technical solution, the locking or unlocking operation of the clamping ring is made more convenient by the threaded engagement between the outer wall of the handle body and the inner wall of the clamping ring (simply rotate the clamping ring).

[0009] Furthermore, the inner wall of the anti-slip washer fits against the end of the handle body, and the anti-slip washer is made of silicone rubber material.

[0010] By adopting the above technical solutions, silicone rubber material has excellent elasticity and anti-slip properties, which can better adapt to the shape of the handlebar body end and improve the fit; at the same time, it is resistant to aging and high and low temperatures, making it suitable for outdoor cycling environments, extending the service life of the anti-slip pads, avoiding the decline in anti-slip effect due to material aging, and increasing the friction with the handlebar body through its own elasticity to prevent the retaining ring from loosening during cycling vibrations.

[0011] Furthermore, the positioning strip is adapted to the positioning groove.

[0012] By adopting the above technical solution, the positioning strip can be smoothly inserted into the positioning groove without significant shaking after insertion, ensuring circumferential stability during riding and preventing the sleeve from loosening due to improper fit between the positioning strip and the positioning groove.

[0013] Furthermore, one of the connecting rings is fitted with the limiting ring, and the other connecting ring is fitted with the abutting ring.

[0014] By adopting the above technical solution, the blocking force of the limiting ring and the locking force of the clamping ring are transmitted to the sleeve through the bidirectional bonding of the connecting ring, forming a fixed structure with clamps at both ends, ensuring that the sleeve has no axial displacement on the handle body and preventing the sleeve from sliding and affecting the grip during riding.

[0015] Furthermore, the outer wall of the abutment ring is provided with anti-slip texture.

[0016] By adopting the above technical solution, the anti-slip texture can increase the friction between the hand and the outer wall of the clamping ring, making it easier for the user to rotate the clamping ring to lock or loosen it, and avoiding a decrease in adjustment efficiency due to slippage during operation.

[0017] Furthermore, the anti-slip sleeve is made of rubber or silicone material, and the outer wall of the anti-slip sleeve is provided with anti-slip texture.

[0018] By adopting the above technical solutions, the rubber or silicone material itself has good anti-slip properties and elasticity. Combined with the anti-slip texture on the outer wall (such as particles or stripes), it can further increase the contact friction between the hand and the anti-slip sleeve. At the same time, the texture can guide air circulation, reduce hand sweating, and improve the comfort of holding for a long time.

[0019] Furthermore, both the anti-slip sleeve and the sleeve are detachably connected to the handle body.

[0020] By adopting the above technical solution, the disassembly setting allows users to individually remove and replace the anti-slip sleeve when it is worn, aged, or needs to be changed in style.

[0021] Furthermore, the inner wall of the positioning groove is coated with a ceramic wear-resistant coating, the thickness of which is 0.05mm, the hardness is HRC50 or higher, and the surface of the ceramic wear-resistant coating is smoothed.

[0022] By adopting the above technical solution, the ceramic wear-resistant coating can reduce the wear of the positioning groove and positioning strip, extend the service life of the two, and avoid sleeve shaking caused by wear.

[0023] Furthermore, an adjusting fastener is provided between the connecting tube and the handle body.

[0024] By adopting the above technical solution, it is convenient to adjust the height of the handle body.

[0025] In summary, the present invention has the following main advantages: 1. Both the anti-slip sleeve and the sleeve of this utility model adopt a detachable design. When the anti-slip sleeve is worn, aged, or needs to be replaced, it can be directly removed from the outer wall of the sleeve for replacement. If the sleeve needs to be repaired, simply loosen the retaining ring and remove the sleeve along the positioning groove without disassembling the entire handle body. At the same time, there is no need to use external tools or inject lubricating oil through the gap between the handle sleeve and the handle before removing it, thereby simplifying the disassembly steps and improving the efficiency of disassembling and replacing the anti-slip sleeve. 2. This utility model, by setting a positioning strip and a positioning groove, allows the user to insert the positioning strip into the positioning groove when installing the sleeve and anti-slip sleeve, thereby positioning the sleeve and restricting the circumferential rotation of the sleeve around the handle body (preventing the sleeve from slipping during riding), thus improving the stability of the sleeve. The anti-slip texture increases the friction between the hand and the outer wall of the clamping ring, making it easy for the user to rotate the clamping ring to lock or loosen, and preventing the adjustment efficiency from decreasing due to slippage during operation. 3. This utility model uses a two-way clamping structure of limiting ring and abutment ring to ensure that the user can maintain a stable grip even on bumpy mountain roads, avoiding operation errors (such as steering deviation) caused by sleeve slippage. In addition, the inner wall of the positioning groove is coated with a ceramic wear-resistant coating, which reduces the wear rate between the positioning strip and the positioning groove, keeps the fit gap stable for a long time, and thus extends the service life of the positioning strip. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model; Figure 2 This is a schematic diagram of the overall back structure of this utility model; Figure 3 This is a schematic diagram of the main structure of the handle of this utility model; Figure 4 This is a partial cross-sectional view of the handle body of this utility model. Figure 5 For the present utility model Figure 2 A magnified structural diagram of point A in the middle.

[0027] In the diagram: 1. Front fork; 2. Connecting tube; 3. Handlebar body; 4. Limiting ring; 5. Sleeve; 6. Connecting ring; 7. Anti-slip sleeve; 8. Positioning groove; 9. Positioning strip; 10. Anti-locking ring; 11. Anti-slip texture; 12. Washer ring; 13. Anti-slip washer; 14. Adjusting fastener. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0029] The embodiments of this utility model will be described below based on its overall structure.

[0030] Example 1: An adjustable bicycle handlebar, such as Figures 1-5 As shown, the device includes a front fork 1, a connecting tube 2 fixed to the top of the front fork 1, a handlebar body 3 inserted into the connecting tube 2, limit rings 4 fixed to both ends of the handlebar body 3, sleeves 5 fitted to both ends of the handlebar body 3, connecting rings 6 fixed to both ends of the sleeves 5, and anti-slip sleeves 7 provided on the outer wall of the sleeves 5. Four positioning grooves 8 are opened at both ends of the handlebar body 3, and positioning strips 9 are inserted into the positioning grooves 8. The positioning strips 9 are fixedly connected to the inner wall of the sleeves 5. A retaining ring 10 is fitted to both ends of the handlebar body 3, and a pad ring 12 is installed on one side of the retaining ring 10. Anti-slip washer 13 is provided on the inner wall of the pad ring 12. The anti-slip sleeve 7 is a part that directly contacts the rider's hand. Through its own material and surface anti-slip texture, it increases the friction between the hand and the handlebar, preventing the hand from slipping during riding (especially in sweaty or humid environments), while also cushioning the vibration of the hand and improving grip comfort.

[0031] See Figures 1-5 The positioning strip 9 is adapted to the positioning groove 8, so that the positioning strip 9 can be smoothly inserted into the positioning groove 8. At the same time, there is no obvious shaking after insertion, which can ensure circumferential stability during riding and prevent the sleeve 5 from loosening due to improper fit between the positioning strip 9 and the positioning groove 8. One connecting ring 6 is attached to the limiting ring 4, and the other connecting ring 6 is attached to the clamping ring 10. Through the bidirectional attachment of the connecting ring 6, the blocking force of the limiting ring 4 and the locking force of the clamping ring 10 are transmitted to the sleeve 5, forming a fixed structure with clamps at both ends, ensuring that the sleeve 5 has no axial displacement on the handle body 3, and preventing the sleeve from sliding and affecting the grip during riding.

[0032] See Figures 1-4 Both ends of the outer wall of the handle body 3 and the inner wall of the clamping ring 10 are threaded. The clamping ring 10 is threadedly connected to the handle body 3. The locking or unlocking operation of the clamping ring 10 is more convenient through the threaded engagement between the outer wall of the handle body 3 and the inner wall of the clamping ring 10 (simply rotate the clamping ring). The anti-slip sleeve 7 is made of rubber or silicone material. The outer wall of the anti-slip sleeve 7 is provided with anti-slip texture. The rubber or silicone material itself has good anti-slip properties and elasticity. Combined with the anti-slip texture (such as particles or stripes) on the outer wall, it can further increase the contact friction between the hand and the anti-slip sleeve 7. At the same time, the texture can guide air circulation, reduce hand sweating, and improve the comfort of holding for a long time. The anti-slip sleeve 7 and the sleeve 5 are detachably connected to the handle body 3. The detachable setting allows users to remove and replace the anti-slip sleeve 7 separately when it is worn, aged, or needs to be changed. Specifically, an adjusting fastener 14 is provided between the connecting tube 2 and the handle body 3. The adjusting fastener consists of a clamping assembly (elastic bushing and metal clip), a driving assembly (quick-release lever and threaded screw), and an anti-loosening assembly (nylon self-locking washer and positioning protrusion). The elastic bushing is sleeved between the outer wall of the handle body 3 and the inner wall of the connecting tube 2, and the elastic bushing is made of silicone rubber. There are two metal clips. Two arc-shaped aluminum alloy clips (lightweight and rust-proof) are respectively attached to the inner side (near the handle body) and the outer side (near the inner wall of the connecting tube) of the elastic bushing; one end of the threaded rod engages with the threaded hole on the side wall of the connecting tube, and the other end passes through the connecting tube and is hinged to the quick-release lever. The surface of the rod is galvanized for rust prevention and uses coarse threads (such as M6–M8). The quick-release lever is made of engineering plastic or lightweight aluminum alloy with anti-slip texture on the outer wall. The lever is 5–8cm long and drives the rod to move axially through the "cam principle". When the lever is turned, the cam presses against the outer wall of the connecting tube, causing the rod to push inward to tighten the metal clips and the elastic bushing, achieving quick locking; turning in the opposite direction releases the lever. A nylon self-locking washer is fitted between the threaded rod and the outer wall of the connecting tube. The nylon ring on the inner side of the washer engages with the thread of the rod, using the elastic deformation of the nylon to generate "reverse friction" to prevent the rod from rotating backward due to vibration. Two self-locking washers are provided at the hinge of the quick-release lever. There are two plastic protrusions corresponding to two grooves on the outer wall of the connecting tube. When the lever is fully locked, the protrusions are embedded in the grooves to form a mechanical limit and prevent the lever from rebounding due to vibration. The process of adjusting the height of the handle body 3 is that the user pulls the quick release lever in the opposite direction (such as counterclockwise). The lever drives the threaded screw to retract outward, the squeezing force between the metal clip and the elastic bushing disappears, the elastic bushing returns to its natural state, and the handle body 3 can move up and down along the axis of the connecting tube 2 (adjusting the height) or rotate around the circumference of the connecting tube (adjusting the angle) to adapt to the operating habits of different riders. After the handle body 3 is adjusted to the target position, turn the quick-release lever clockwise. The lever pushes the threaded screw inward through the cam structure. The screw presses against the metal clip, and the metal clip squeezes the elastic bushing. After being squeezed, the elastic bushing expands radially and fits tightly against the outer wall of the handle body 3 and the inner wall of the connecting tube 2, fixing their relative positions through high friction. At the same time, the rigid support of the metal clip prevents the elastic bushing from deforming excessively, ensuring that the locking force is evenly transmitted. Then, the elasticity of the nylon material is used to form a reverse friction force at the thread of the screw, preventing the screw from rotating backward due to riding vibration, ensuring that the squeezing force of the elastic bushing is stable for a long time. When the quick-release lever is fully locked, the protrusion is embedded in the groove of the outer wall of the connecting tube, forming a mechanical limit, preventing the lever from rebounding due to road bumps, and further ensuring the reliability of locking (the adjusting fastener 14 for adjusting the height of the handle body 3 is prior art, and its specific structural composition and working principle are described in detail here. However, because it is prior art, the specific components of this structure are not shown in detail in the accompanying drawings of the specification).

[0033] Example 2: Based on the above embodiment 1, the following structure will be set to improve the stability of the clamping ring 10.

[0034] Specifically, the inner wall of the anti-slip washer 13 fits against the end of the handlebar body 3. The anti-slip washer 13 is made of silicone rubber material, which has excellent elasticity and anti-slip properties, can better adapt to the shape of the end of the handlebar body 3, and improve the fit; at the same time, it is resistant to aging and high and low temperatures, suitable for outdoor cycling environments, extending the service life of the anti-slip washer 13, avoiding the decline in anti-slip effect due to material aging, and increasing the friction with the handlebar body 3 through its own elasticity, preventing the retaining ring 10 from loosening during cycling vibrations.

[0035] Example 3: Based on the above embodiment 1, the following structure will be provided to facilitate the rotation of the clamping ring 10.

[0036] Specifically, the outer wall of the clamping ring 10 is provided with anti-slip texture 11. The anti-slip texture 11 can increase the friction between the hand and the outer wall of the clamping ring 10, making it convenient for the user to rotate the clamping ring 10 to lock or loosen, and avoid the decrease in adjustment efficiency due to slippage during operation.

[0037] Example 4: Based on the above embodiment 1, in order to slow down the wear rate of the positioning strip 9 and the positioning groove 8, the following structure will be set.

[0038] Specifically, the inner wall of the positioning groove 8 is coated with a ceramic wear-resistant coating with a thickness of 0.05mm and a hardness of HRC50 or higher. The surface of the ceramic wear-resistant coating is smoothed. The ceramic wear-resistant coating can reduce the wear between the positioning groove 8 and the positioning strip 9, extend the service life of the two, and prevent the sleeve 5 from shaking due to wear.

[0039] The working principle of this utility model is as follows: First, the connecting tube 2 fixed at the top of the fork 1 provides an installation carrier for the handlebar body 3. The handlebar body 3 is inserted into the connecting tube 2, forming an overall support structure of fork-connecting tube-handlebar body. The adjusting fastener 14 (such as quick-release bolt or knob-type locking structure) between the connecting tube 2 and the handlebar body 3 is the core control component: when the adjusting fastener 14 is loosened, the handlebar body 3 can move up and down along the axis of the connecting tube 2 (adjusting the height) to adapt to the operating habits of riders of different heights; after adjusting to the target position, the adjusting fastener 14 is locked, which generates static friction force to fix the relative position of the two by squeezing the inner wall of the connecting tube 2 and the outer wall of the handlebar body 3, ensuring that the overall structure does not loosen. The handle body 3 has gripping areas at both ends, and four positioning grooves 8 are provided at both ends. The positioning strip 9 fixed to the inner wall of the sleeve 5 is perfectly matched with the positioning groove 8. When adjusting the sleeve 5, the positioning strip 9 slides along the positioning groove 8, which not only restricts the sleeve 5 from rotating around the handle body 3 (to prevent the sleeve 5 from slipping during riding) but also prevents displacement. The limiting ring 4 is fixed to both ends of the handle body 3 to provide inner limiting for the sleeve 5. When the sleeve 5 is adjusted to the target position, the clamping ring 10 is rotated clockwise, which pushes the connecting ring 6 on the outer side of the sleeve 5 to fit tightly with the limiting ring 4 on the inner side, forming a bidirectional compression structure between the limiting ring 4 and the clamping ring 10, which firmly fixes the sleeve 5 to the handle body 3. Locking can be completed without additional tools. The pad ring 12 and anti-slip washer 13 on the inner side of the clamping ring 10 fit against the end of the handle body 3. The high elasticity and anti-slip properties of the silicone rubber can fill the tiny gaps and increase the friction between the clamping ring 10 and the handle body 3, preventing the clamping ring from loosening on its own due to riding vibration. The anti-slip sleeve 7 on the outer wall of the sleeve 5 is made of rubber or silicone, with anti-slip texture (such as particles or stripes) on the outer wall. The elasticity of the material increases the fit of the hand, and the texture increases the contact friction. Both the anti-slip sleeve 7 and the sleeve 5 adopt a detachable design. When the anti-slip sleeve 7 is worn, aged, or needs to be changed, it can be directly removed from the outer wall of the sleeve 5 for replacement. If the sleeve 5 needs to be repaired, simply loosen the clamping ring 10 and the sleeve 5 can be removed along the positioning groove 8 without disassembling the entire handle body 3, simplifying the maintenance process.

[0040] Although embodiments of the present invention have been shown and described, these specific embodiments are merely explanations of the present invention and are not intended to limit the invention. The specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. After reading this specification, those skilled in the art may make modifications, substitutions, and variations to the embodiments as needed without departing from the principles and spirit of the present invention, provided that such modifications, substitutions, and variations are within the scope of the claims of the present invention and are protected by patent law.

Claims

1. An adjustable bicycle handlebar, including a front fork (1), characterized in that: The top of the fork (1) is fixed with a connecting tube (2), and a handle body (3) is inserted into the connecting tube (2). Both ends of the handle body (3) are fixed with limit rings (4). Both ends of the handle body (3) are also fitted with sleeves (5), and both ends of the sleeves (5) are fixed with connecting rings (6). The outer wall of the sleeves (5) is provided with anti-slip sleeves (7). Both ends of the handle body (3) are provided with four positioning grooves (8), and positioning strips (9) are inserted into the positioning grooves (8). The positioning strips (9) are fixedly connected to the inner wall of the sleeves (5). Both ends of the handle body (3) are also fitted with a retaining ring (10), and a pad ring (12) is installed on one side of the retaining ring (10). The inner wall of the pad ring (12) is provided with an anti-slip washer (13).

2. The adjustable bicycle handlebar according to claim 1, characterized in that: The outer walls at both ends of the handle body (3) and the inner wall of the clamping ring (10) are both threaded, and the clamping ring (10) is threadedly connected to the handle body (3).

3. The adjustable bicycle handlebar according to claim 1, characterized in that: The inner wall of the anti-slip washer (13) is fitted to the end of the handle body (3), and the anti-slip washer (13) is made of silicone rubber material.

4. The adjustable bicycle handlebar according to claim 1, characterized in that: The positioning strip (9) is adapted to the positioning groove (8).

5. An adjustable bicycle handlebar according to claim 1, characterized in that: One of the connecting rings (6) is fitted with the limiting ring (4), and the other connecting ring (6) is fitted with the abutting ring (10).

6. An adjustable bicycle handlebar according to claim 1, characterized in that: The outer wall of the clamping ring (10) is provided with anti-slip texture (11).

7. An adjustable bicycle handlebar according to claim 1, characterized in that: The anti-slip sleeve (7) is made of rubber or silicone material, and the outer wall of the anti-slip sleeve (7) is provided with anti-slip texture.

8. An adjustable bicycle handlebar according to claim 1, characterized in that: Both the anti-slip sleeve (7) and the sleeve (5) are detachably connected to the handle body (3).

9. An adjustable bicycle handlebar according to claim 1, characterized in that: The inner wall of the positioning groove (8) is coated with a ceramic wear-resistant coating, and the thickness of the ceramic wear-resistant coating is 0.05mm, the hardness is HRC50 or higher, and the surface of the ceramic wear-resistant coating is smoothed.

10. An adjustable bicycle handlebar according to claim 1, characterized in that: An adjusting fastener (14) is provided between the connecting pipe (2) and the handle body (3).

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