TWI704080B - Bicycle handlebar assembly - Google Patents

Abstract

A bicycle handlebar assembly includes a handlebar, at least one oil-pressure-type brake lever and an assembly component. The oil-pressure-type brake lever includes a hydraulic tank and a lever. The lever is pivotally disposed on the hydraulic tank. The assembly component is mount to the handlebar, and the hydraulic tank is clamped between the assembly component and the handlebar.

Description

Bicycle handle assembly

The invention relates to a bicycle handle assembly, in particular to a bicycle handle assembly in which a hydraulic cylinder body and a rider handle are integrated.

In recent years, the bicycle market has developed vigorously. Whether it is a high-end racing bicycle or a popular bicycle used as a means of transportation and entertainment, it has been favored by consumers, prompting manufacturers to pay more attention to the needs of users for bicycle functions. The body materials and equipment are constantly improved and refined, but the bicycle still needs improvement.

For mountain bikes with hydraulic brakes, the hydraulic brake handles of mountain bikes are usually clamped to the rider's grip through a caliper, and the hydraulic brake handle is hung on the rider's grip. However, the hydraulic brake handle attached to the handlebar of the rider will reduce the overall appearance of the bicycle, thereby reducing the aesthetics of the whole bicycle. Therefore, how to improve the aesthetics of bicycles is an urgent problem for developers in this field.

The present invention is to provide a bicycle handle assembly, so as to solve the problem that the hydraulic brake handle externally hung on the handle of the rider in the prior art will reduce the integrity of the overall bicycle appearance, thereby reducing the aesthetics of the overall bicycle.

A bicycle handle assembly disclosed in an embodiment of the present invention includes a rider handle, at least one hydraulic brake handle and an assembly shell. The hydraulic brake handle includes a hydraulic cylinder and a brake lever. The brake lever is pivoted on the hydraulic cylinder. The assembly shell is installed on the handle of the driver, and the hydraulic cylinder is sandwiched between the assembly shell and the handle of the driver.

Another embodiment of the present invention discloses a bicycle handle assembly, which includes a rider grip and at least one hydraulic brake handle. The hydraulic brake handle includes a hydraulic cylinder and a brake lever. The hydraulic cylinder has a friction part. The hydraulic cylinder is installed on the handle of the rider, and the friction between the friction part and the handle of the rider makes the hydraulic cylinder fixed to the handle of the rider. The brake lever is pivoted on the hydraulic cylinder.

Another embodiment of the present invention discloses a bicycle handle assembly including a rider handle and at least one hydraulic brake handle. The rider handle has an assembly slot. The angle between the direction of the notch of the assembly groove and the direction of gravity is less than 90 degrees. The hydraulic brake handle includes a hydraulic cylinder and a brake lever. The hydraulic cylinder is installed in the assembly groove. The brake rod is pivoted on at least one hydraulic cylinder.

According to the bicycle handle assembly disclosed in the above embodiment, since the hydraulic cylinder is installed on the handle of the rider through the assembly shell, its friction part is fixed to the handle of the rider or installed in the assembly groove of the handle of the rider to interact with Rider grip integration. Therefore, the integrated hydraulic cylinder and the rider handle can improve the integrity of the bicycle handle assembly, thereby improving the aesthetics of the bicycle with the bicycle handle assembly.

The above description of the content of the present invention and the description of the following embodiments are used to demonstrate and explain the principle of the present invention and provide a further explanation of the scope of the patent application of the present invention.

Please refer to FIGS. 1 to 3. FIG. 1 is a perspective view of a bicycle handle assembly according to a first embodiment of the present invention. Figure 2 is an exploded schematic diagram of Figure 1. Fig. 3 is a schematic bottom view of Fig. 1.

The bicycle handle assembly 1a of this embodiment includes a rider handle 10a, two hydraulic brake handles 20a, an assembly shell 30a, and a plurality of fasteners 40a.

The rider handle 10a has an assembly groove 11a and four limiting portions 12a opposite to each other. The angle θ between the notch direction D1 of the assembly groove 11a and the gravity direction D2 is less than 90 degrees. The notch direction D1 referred to here refers to the direction that the notch of the assembly groove 11a faces when the rider handle 10a is installed on the frame (not shown). That is, the notch of the assembly groove 11a has a tendency to face downward. Two of the limiting portions 12a are located on one side of the assembly groove 11a, and the other two limiting portions 12a are located on the other side of the assembly groove 11a.

The two hydraulic brake handles 20a each include a hydraulic cylinder 21a, a brake rod 22a, and a piston assembly 23a. In this embodiment, the two hydraulic brake handles 20a are the same element, so only one of the hydraulic brake handles 20a is described below.

The hydraulic cylinder 21a includes a body portion 211a and a cover portion 212a, and the hydraulic cylinder 21a has a friction portion 213a. The body portion 211a has an oil storage groove 2111a, an oil pressure groove 2112a, and a pivot structure 2113a. The oil storage tank 2111a communicates with the oil pressure tank 2112a. The oil storage groove 2111a and the pivoting structure 2113a are located on different sides of the oil pressure groove 2112a, and the oil storage groove 2111a is located in the radial direction of the oil pressure groove 2112a, and the pivot structure 2113a extends in the axial direction of the oil pressure groove 2112a. The cover part 212a is installed on the body part 211a and shields the oil storage tank 2111a. The friction portion 213a of the hydraulic cylinder 21a is a rough surface, which is located on the outer surfaces of the body portion 211a and the cover portion 212a. The hydraulic cylinder 21a is installed in the assembly groove 11a, and the assembly groove 11a and the oil storage groove 2111a respectively face two different directions. The oil pressure groove 2112a is connected to a brake caliper (not shown) of a bicycle (not shown), for example, through a pipeline.

The brake lever 22a is pivoted to the pivot structure 2113a of the main body 211a. The piston assemblies 23a each include a connecting rod 231a, a piston 232a, and an elastic member 233a. One end of the connecting rod 231a is connected to the piston 232a, and the other end of the connecting rod 231a is pivoted to the brake lever 22a. The piston 232a and the elastic member 233a are both located in the oil pressure groove 2112a, and the elastic member 233a abuts against the end of the piston 232a away from the connecting rod 231a. When the brake lever 22a is pressed, the brake lever 22a drives the piston 232a to move away from the pivotal structure 2113a through the connecting rod 231a, and oil pressure is generated in the oil pressure groove 2112a. This oil pressure is transmitted to the brake caliper via the pipeline, so that the brake caliper clamps the bicycle wheel (not shown). As the piston 232a moves against the elastic member 233a, when the brake lever 22a is released, the elastic member 233a will rebound to drive the piston 232a back to its original position, and drive the brake lever 22a to move to the original position through the connecting rod 231a. s position.

The assembly shell 30a includes two first assembly portions 31a and a second assembly portion 32a. In this embodiment, the two first assembling parts 31a and the second assembling part 32a are integrally formed, and the two first assembling parts 31a are respectively connected to two opposite sides of the second assembling part 32a. These fasteners 40a are respectively penetrated through the two first assembling parts 31a and the second assembling part 32a to be locked to the rider handle 10a. One of the hydraulic cylinders 21a is sandwiched between one of the first assembly portion 31a and the rider's handle 10a, and the other hydraulic cylinder 21a is sandwiched between the other first assembly portion 31a and the rider's grip 10a. between. In other words, the friction portion 213a of each hydraulic cylinder 21a contacts the first assembly portion 31a and the rider's handle 10a, and the frictional force between the friction portion 213a, the first assembly portion 31a and the rider's grip 10a makes The hydraulic cylinder 21a is enclosed and fixed between the first assembling portion 31a and the handlebar 10a by a tight fit. In other words, the two hydraulic cylinders 21a are fixed to the rider's grip 10a in such a way that the hydraulic cylinder 21a is inserted through the hydraulic cylinder 21a without any bolts and is locked to the rider's grip 10a.

In this embodiment, the ratio of the two hydraulic cylinders 21a being shielded by the two first assembling parts 31a is greater than or equal to 50%. In other words, at least half of each of the two hydraulic cylinders 21a are shielded by the two first assembly parts 31a. In addition, the second assembling portion 32a is used to shield the pipeline connected to the second oil pressure groove 2112a to prevent the pipeline from being exposed.

Next, the assembly process of the bicycle handle assembly 1a will be explained. Please refer to FIGS. 2 and 4. FIG. 4 is a partial cross-sectional view of a part of the bicycle handle assembly of FIG. 1.

First, the second hydraulic brake handle 20a is assembled. Next, install the two hydraulic brake handles 20a into the assembly groove 11a. At this time, the user can adjust the angle of the second hydraulic brake handle 20a by rotating the two hydraulic cylinders 21a in two opposite directions D3 and D4 according to their own needs. After adjusting the angle of the second hydraulic brake handle 20a, the assembly shell 30a is assembled to the rider grip 10a so that the body portion 211a of each hydraulic cylinder 21a is clamped by the first assembly portion 31a and the rider grip 10a hold. The assembly of the bicycle handle assembly 1a shown in FIG. 1 is completed.

During the assembly process of the bicycle handle assembly 1a, since the rider handle 10a has four limit parts 12a opposite to each other, the angle of each hydraulic brake handle 20a is limited by the two opposite limit parts 12a. That is to say, the two opposite limit parts 12a will form an installation range A, allowing the user to adjust the angle of the hydraulic brake handle 20a within the installation range A according to their needs, so that the brake lever 22a is positioned on the body part 211a. An assembling portion 31a is located at a predetermined position within the installation range A after being clamped with the rider handle 10a.

In this embodiment, since the two hydraulic cylinders 21a are installed on the handlebar 10a through the two first assembly parts 31a of the assembly shell 30a, the hydraulic brake handle 20a and the handlebar 10a are integrated, so the integration The rear hydraulic brake handle 20a and the rider grip 10a can improve the integration of the bicycle handle assembly 1a, thereby enhancing the aesthetics of the bicycle with the bicycle handle assembly 1a.

In addition, since the assembly groove 11a has a tendency to face downwards, after the hydraulic cylinder 21a of the hydraulic brake handle 20a is installed in the assembly groove 11a, part of the hydraulic cylinder 21a is in front of the overall bicycle. There will be an effect of being shielded by the handlebar 10a of the rider, and the integration of the appearance of the bicycle handle assembly 1a is further increased, thereby enhancing the aesthetics of the bicycle with the bicycle handle assembly 1a.

In addition, since the ratio of the two hydraulic cylinders 21a each being shielded by the two first assembly parts 31a is greater than or equal to 50%, at least half of each hydraulic cylinder 21a can be covered by the first assembly part 31a and the rider. Surrounded by the grip 10a, the unity of the bicycle is further improved.

In the above-mentioned embodiment, the two first assembling parts 31a and the second assembling parts 32a of the assembling shell 30a are integrally formed, but it is not limited thereto. The bicycle handle assembly disclosed in the following embodiments are all similar to the bicycle handle assembly of FIG. 1, and the main difference between each embodiment and the above-mentioned embodiments is that the assembly shell of each of the following embodiments is not integrally formed. The following paragraphs It will be explained in detail.

Please refer to FIG. 5. FIG. 5 is an exploded view of the bicycle handle assembly according to the second embodiment of the present invention.

In the bicycle handle assembly 1b disclosed in this embodiment, the size of the assembly shell 30b is substantially equal to the size of the assembly shell 30a. In addition, the two first assembling parts 31b and the second assembling part 32b of the assembling shell 30b are three independent components. Therefore, it is only necessary to disassemble the second assembly portion 32b to perform maintenance of the pipeline connected to the oil pressure tank (as shown in FIG. 2), instead of disassembling the entire assembly shell 30b, thereby improving the convenience of pipeline maintenance .

Next, please refer to Figure 6 and Figure 7. Fig. 6 is a perspective view of a bicycle handle assembly according to a third embodiment of the present invention. Fig. 7 is an exploded schematic diagram of Fig. 6.

In the bicycle handle assembly 1c disclosed in this embodiment, the two first assembling parts 31c and the second assembling part 32c of the assembling case 30c are three independent components. The opposite ends of each first assembling portion 31c are respectively fixed to the handlebar 10a of the rider through two locking members 40c. In addition, the proportions of the two hydraulic cylinders 21a being shielded by the two first assembling parts 31c are less than 50%. In other words, less than half of each of the two hydraulic cylinders 21a are shielded by the first assembly portion 31c, and most of the two hydraulic cylinders 21a are exposed to the outside. Thereby, the appearance of the overall bicycle handle assembly 1c is visually more concise.

Next, please refer to Figure 8 and Figure 9. Fig. 8 is a perspective view of a bicycle handle assembly according to a fourth embodiment of the present invention. Fig. 9 is an exploded schematic diagram of Fig. 8.

The bicycle handle assembly 1d disclosed in this embodiment is similar to the bicycle handle assembly 1c of FIG. 6, and the difference between the two is the way in which each end of the two first assembly parts is fixed to the handlebar of the rider. In detail, in each first assembly portion 31d of the assembly shell 30d, one end of the first assembly portion 31d is pivoted to the rider handle 10a, and the other end of the first assembly portion 31d is fixed to the rider through a fastener 40d Grip 10a.

In this embodiment, since one end of the first assembling part 31d is pivoted to the handlebar 10a, the first assembling part 31d only needs a fastener 40d to be fixed to the handlebar 10a, which is shared with the handlebar 10a. Clamps the hydraulic cylinder 21a. Therefore, the arrangement where one end of the first assembly portion 31d is pivoted to the handlebar 10a of the rider can reduce the number of fasteners 40d used, so the production cost of the bicycle handle assembly 1d can be reduced.

In addition, during the process of fixing each first assembling part 31d to the rider handle 10a, only one fastener 40d needs to be locked to the rider handle 10a, so the assembly efficiency of the bicycle handle assembly 1d can be improved.

Next, please refer to Figure 10. Fig. 10 is an exploded schematic view of a bicycle handle assembly according to a fifth embodiment of the present invention.

The bicycle handle assembly 1e disclosed in this embodiment is similar to the bicycle handle assembly 1d of FIG. 8, and the difference between the two is only the difference in the hydraulic cylinder. In detail, the friction portion 213e of the second hydraulic cylinder 21e of the present embodiment is for example but not limited to knurling, and the two friction portions 213e are respectively located on the surface of the body portion 211e of the second hydraulic cylinder 21e.

Since the knurled friction part 213e on the surface of the two body parts 211e has a relatively large friction coefficient, the two hydraulic cylinders 21e are respectively fixed to the first assembly part 31d and the rider grip 10a by a tight fitting method. In this case, the friction between each hydraulic cylinder 21e, the driver's grip 10a, and the first assembly portion 31d can be further increased, so that the second hydraulic cylinder 21e is fixed to the driver's grip 10a and prevents two oils. The cylinder 21e rotates.

In the hydraulic brake handle 20e, only the surface of the body portion 211e has the friction portion 213e, but it is not limited to this. In other embodiments, both the body part and the cover body part of the hydraulic brake handle may have friction parts. In addition, the design in which the friction part is knurled can also be applied to the hydraulic cylinder in the above-mentioned embodiment.

According to the bicycle handle assembly of the above embodiment, since the two hydraulic cylinders are respectively installed on the handle of the rider through the two first assembly parts of the assembly shell, the hydraulic brake handle and the handle of the rider are integrated, so the integrated oil Pressing the brake handle and the rider's grip can improve the integration of the bicycle handle assembly, thus improving the aesthetics of the bicycle with the bicycle handle assembly

In addition, due to the downward trend of the assembly groove, after the hydraulic cylinder block of the hydraulic brake handle is installed in the assembly groove, part of the hydraulic cylinder block will be seen by the rider from the perspective of the bicycle in front of the whole bicycle. The concealing effect of the handle further increases the integration of the appearance of the bicycle handle assembly, thereby further enhancing the aesthetics of the bicycle with the bicycle handle assembly.

In addition, the arrangement of the friction part in contact with the first assembly part and the rider's handle allows the frictional force between the friction part, the first assembly part and the rider's handle to make the hydraulic cylinder block tightly fixed to the first assembly Between the driver’s and the driver’s grip.

In some embodiments, since the ratio of the two hydraulic cylinder blocks being shielded by the two first assembly parts is greater than or equal to 50%, at least half of each hydraulic cylinder block can be covered by the first assembly part and the driver. Surrounded by the grip, it further improves the integration of the bicycle.

In addition, assembling the shell two, the arrangement of the first assembling part and the second assembling part as three independent components allows the second assembling part to be dismantled separately, instead of disassembling the entire assembling shell, which is beneficial for the connection to the oil The maintenance of the pressure grooved pipeline improves the convenience of pipeline maintenance.

In addition, the arrangement where one end of the first assembly part is pivoted to the handle of the rider can reduce the number of fasteners used, so the production cost of the bicycle handle assembly can be reduced. In addition, in the process of fixing each first assembly part to the handle of the rider, only one fastener element needs to be locked to the handle of the rider, so that the assembly efficiency of the bicycle handle assembly can be improved.

Although the present invention is disclosed in the foregoing preferred embodiments as above, it is not intended to limit the present invention. Anyone familiar with similar art can make some changes and modifications without departing from the spirit and scope of the present invention. The scope of patent protection for inventions shall be determined by the scope of patent applications attached to this specification.

1a, 1b, 1c, 1d, 1e: bicycle handle assembly 10a: rider grip 11a: assembly groove 12a: stop 20a, 20e: hydraulic brake handle 21a, 21e: hydraulic cylinder 211a, 211e: body part 2111a : Oil reservoir 2112a: Oil pressure groove 2113a: Pivot structure 212a: Cover body part 213a, 213e: Friction part 22a: Brake lever 23a: Piston assembly 231a: Connecting rod 232a: Piston 233a: Elastic member 30a, 30b, 30c, 30d : Assembly shell 31a, 31b, 31c, 31d: first assembly part 32a, 32b, 32c: second assembly part 40a, 40c, 40d: lock pieces D1, D2, D3, D4: direction θ: included angle A: installation range

Fig. 1 is a perspective view of a bicycle handle assembly according to a first embodiment of the present invention. Figure 2 is an exploded schematic diagram of Figure 1. Fig. 3 is a schematic bottom view of Fig. 1. Fig. 4 is a schematic partial cross-sectional view of part of the bicycle handle assembly of Fig. 1. Fig. 5 is an exploded schematic view of the bicycle handle assembly according to the second embodiment of the present invention. Fig. 6 is a perspective view of a bicycle handle assembly according to a third embodiment of the present invention. Fig. 7 is an exploded schematic diagram of Fig. 6. Fig. 8 is a perspective view of a bicycle handle assembly according to a fourth embodiment of the present invention. Fig. 9 is an exploded schematic diagram of Fig. 8. Fig. 10 is an exploded schematic view of a bicycle handle assembly according to a fifth embodiment of the present invention.

1a: Bicycle handle assembly

10a: Rider grip

20a: Hydraulic brake handle

30a: Assemble the shell

40a: lock firmware

Claims (20)

A bicycle handle assembly, comprising: a rider handle; at least one hydraulic brake handle, comprising: a hydraulic cylinder; and a brake lever pivoted on the hydraulic cylinder; and an assembly shell mounted on the hydraulic cylinder The rider grip, and the hydraulic cylinder is clamped between the assembly shell and the rider grip. In the bicycle handle assembly described in claim 1, wherein the hydraulic cylinder has a friction part, and the friction part contacts the handlebar of the rider and the assembly shell. The bicycle handle assembly described in item 2 of the scope of the patent application, wherein the hydraulic cylinder system is fixed to the rider's handle in a way that the hydraulic cylinder body is inserted through the hydraulic cylinder without any screw locking member and is locked to the rider's handle . The bicycle handle assembly described in item 1 of the scope of patent application, wherein the rider handle has an assembly groove, and the angle between the groove direction of the assembly groove and the direction of gravity is less than 90 degrees, and the hydraulic cylinder is installed on the rider The assembly groove of the grip. The bicycle handle assembly described in item 4 of the scope of patent application, wherein the hydraulic cylinder includes a body portion and a cover body portion, the brake lever is pivoted to the body portion, the body portion has an oil reservoir, the cover The body is installed on the main body and shields the oil storage tank, and the assembly tank and the oil storage tank face two different directions respectively. The bicycle handle assembly described in item 4 of the scope of patent application, wherein the rider handle has two limit parts, the two limit parts are respectively located on two opposite sides of the assembly slot, and an installation is formed between the two limit parts Range, the brake lever is located in the installation range. The bicycle handle assembly described in item 6 of the scope of patent application, wherein the assembly shell includes at least one first assembly portion, and the hydraulic cylinder is sandwiched between the at least one first assembly portion and the handlebar of the rider, The at least one first assembling part fixes the hydraulic cylinder body so that the brake rod is at a predetermined position within the installation range. The bicycle handle assembly described in item 1 of the scope of patent application, wherein the number of the at least one hydraulic brake handle is two, the assembly case includes two first assembly parts and a second assembly part, one of which is the hydraulic cylinder Is sandwiched between one of the first assembling part and the handle of the rider, the other hydraulic cylinder is sandwiched between the other first assembling part and the handle of the rider, the second assembling part It is installed on the handle of the rider and located between the two first assembling parts. The bicycle handle assembly described in item 8 of the scope of patent application, wherein the two first assembling parts and the second assembling part of the assembling case are integrally formed. The bicycle handle assembly described in item 8 of the scope of patent application, wherein the two first assembling parts and the second assembling part of the assembling shell are three independent elements. According to the bicycle handle assembly described in item 10 of the scope of patent application, the two opposite ends of each of the first assembling parts are fixed to the handle of the rider in a screw lock manner. The bicycle handle assembly described in item 10 of the scope of patent application, wherein one end of each of the first assembling parts is pivoted to the handle of the rider, and the other end of each of the first assembling parts is fixed by a screw lock To the grip of the rider. In the bicycle handle assembly described in item 8 of the scope of patent application, the proportion of the two hydraulic cylinders being shielded by the two first assembly parts is greater than or equal to 50%. As for the bicycle handle assembly described in item 8 of the scope of patent application, the proportion of the two hydraulic cylinders being shielded by the two first assembly parts is less than 50%. A bicycle handle assembly, comprising: a rider grip; and at least one hydraulic brake handle, comprising: a hydraulic cylinder body with a friction part, the hydraulic cylinder body is installed on the rider handle, and the friction part The friction with the handle of the rider makes the hydraulic cylinder fixed on the handle of the rider; and a brake lever is pivoted on the hydraulic cylinder. The bicycle handle assembly described in item 15 of the scope of the patent application, wherein the hydraulic cylinder system is fixed to the rider's handle in a way that the hydraulic cylinder body is inserted through the hydraulic cylinder without any screw locking member and is locked to the rider's handle . The bicycle handle assembly described in item 15 of the scope of patent application, wherein the rider grip has an assembly groove, and the angle between the groove direction of the assembly groove and the gravity direction is less than 90 degrees, and the hydraulic cylinder is installed on the rider The assembly groove of the grip. For the bicycle handle assembly described in claim 17, wherein the hydraulic cylinder includes a body and a cover, the brake lever is pivoted to the body, the body has an oil reservoir, and the cover The body is installed on the main body and shields the oil storage tank, and the assembly tank and the oil storage tank face two different directions respectively. A bicycle handle assembly, comprising: a rider handle with an assembly groove, the angle between the direction of the assembly groove and the direction of gravity is less than 90 degrees; and at least one hydraulic brake handle, including: a hydraulic cylinder body for mounting Is arranged in the assembling groove; and a brake rod is pivoted on the hydraulic cylinder. The bicycle handle assembly described in item 19 of the scope of patent application, wherein the hydraulic cylinder includes a body portion and a cover body portion, the brake lever is pivoted to the body portion, the body portion has an oil reservoir, and the cover The body is installed on the main body and shields the oil storage tank, and the assembly tank and the oil storage tank face two different directions respectively.

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