TWM646807U - Structure of brake lever - Google Patents

Abstract

The present invention provides a brake lever structure, which includes: a fixed seat with a pivot hole, an upper top and a lower top; a lever with an installation platform, the installation platform is provided with a chamber, and a chamber connected through the chamber. The spiral hole and two lugs of the chamber are provided with coaxial shaft connection holes that can be placed at the position of the pivot hole, and screws are used to pivot the shaft hole to the pivot hole of the fixed base; A rotating rod assembly has a rotating rod and a knob. A convex shaft with a slot is provided in the center of the bottom of the knob. The convex shaft can be accommodated in the chamber. The rotating rod is connected to the spiral hole at the bottom of the installation platform. Penetrate, and use a threaded part to insert into the spiral hole, fit with the hole groove and push against the lower top. When the knob is rotated, the rotating rod can move axially in the spiral hole, causing the abutment portion and the lower top to form an axial displacement, changing the angle between the fixed seat and the pull rod, thereby allowing the brake pull rod to be adjusted according to different riders. Adjust to the best pulling control position.

Description

Brake lever structure

This invention relates to a brake lever structure, specifically a brake lever structure that can adjust the position of the lever according to different riders to make the brake control more flexible and safer.

Press; General motor vehicles are mostly equipped with brake devices, whether drum or disc. The brake device is connected by a brake line, with one end connected to the brake holder on the side of the wheel, and the other end connected to the brake lever. The pulling action of the brake lever on the brake line controls the braking of the wheel by the brake holder.

The brake lever is usually pivoted on a fixed base. When braking, the lever is pulled inward to form a braking effect. Since the angle position of the brake lever is fixed, it can be adjusted when riders of different sizes (such as Strong men and petite women) when riding a bicycle, due to the different palm sizes, the position of the fingers pulling the brake lever is also different, which makes it very inconvenient when riding, and may cause danger due to the inflexible brake control. Although the lever The distance can also be changed by adjusting the angle, but the adjustment process is very troublesome, labor-consuming and time-consuming, and it cannot be adjusted quickly anytime and anywhere, which causes trouble while riding, which is not ideal.

In view of the problems of the previous technology, the author proposed a solution, that is, to provide a brake lever structure, so that the brake lever can be easily and quickly adjusted to change its angular position so as to be suitable for riders of different body types. It maintains control and makes braking more flexible and safer.

In order to achieve the above purpose, the brake lever structure of this invention includes: a fixed base. The fixed base is provided with a fixed hole for fixing to the motorcycle at the front end, and is provided with a pivot hole at the rear end and extends respectively behind the pivot hole. An upper top and a lower top; a pull rod, the front end of the pull rod has an installation platform, the installation platform includes: an upper part, a lower part, an oblique convex part and two lugs, the upper part is provided with a container above the installation platform chamber, the lower part is located below the installation platform and is provided with a spiral hole penetrating the chamber. The inclined convex portion is located at the front end of the installation platform, and a groove is provided above the inclined convex portion, and an elastic member is provided in the groove. , the two lugs extend forward from both sides of the installation platform. The two lugs are provided with coaxial shaft holes that can be sleeved at the position of the pivot hole, and screws are used to pivot the shaft hole on the fixed On the pivot hole of the base, the upper top is located above the groove of the inclined convex part and can just resist the elastic member, while the lower top protrudes below the spiral hole of the lower part; a rotating rod assembly, The rotating rod assembly mainly includes a rotating rod and a knob. A convex shaft with a slot is provided in the center of the bottom of the knob. The convex shaft can be accommodated in the chamber. The front section of the rotating rod has a fitting portion and a middle section. The threaded part and the rear section are provided with abutting parts. The rotating rod is penetrated through the spiral hole at the bottom of the installation platform. The threaded part of the middle section is inserted into the spiral hole, and the fitting part of the front section is fitted with the hole groove. Close, and the abutting part of the rear section presses against the lower top.

With the above structure, when the knob is rotated, the threaded portion of the rotating rod can move axially in the spiral hole, causing the abutment portion and the lower top to form axial displacement, and through the elastic force of the elastic member and the upper top The function changes the angle between the fixed seat and the pull rod, so that the brake pull rod can be adjusted to the best pulling control position according to different riders.

In one embodiment, the fitting part is an angular rod body, and the hole groove is arranged corresponding to the shape of the angular rod body.

In one embodiment, the outer periphery of the convex shaft is provided with an annular groove, and both sides of the installation platform are respectively provided with a screw hole penetrating the chamber.

In the above embodiment, the screw hole is provided with a positioning block, the positioning block is provided with a positioning protrusion, and the positioning protrusion is attached to the annular groove.

In one embodiment, at least one positioning hole is recessed in the annular groove, and the positioning protrusion can be partially accommodated in the positioning hole.

The positioning protrusion can be a ball.

The advantages and features of the present invention can be understood from the following detailed description of the preferred embodiments and with reference to the accompanying drawings.

In order to enable you, the review committee, to have a more detailed understanding of this creation, each illustration is explained below.

Please refer to Figures 1 to 3 as well. The brake lever structure of this invention is mainly composed of a fixed base 10, a tie rod 12 and a rotating rod assembly 14.

The fixed base 10 is provided with a fixing hole 16 for fixing to the motorcycle at the front end, and is provided with a pivot hole 18 at the rear end. An upper top 20 and a lower top 22 respectively extend behind the pivot hole 18 .

The front end of the tie rod 12 has an installation platform 24. The installation platform 24 includes: an upper part 26, a lower part 28, an oblique protruding part 30 and two lugs 32. The upper part 26 is located above the installation platform 24 and has a holding chamber. 34. The lower part 28 is located below the installation platform 24 and is provided with a spiral hole 36 that passes through the chamber 34. The inclined convex portion 30 is located at the front end of the installation platform 24, and a groove 38 is provided above the inclined convex portion 30. The groove 38 is provided with an elastic member 40. The two lugs 32 extend forward from both sides of the installation platform 24. The two lugs 32 are provided with coaxial shaft holes 42 that can be sleeved on the pivot hole 18. position, and use screws 44 to pivot the pivot hole 42 on the pivot hole 18 of the fixed base 10, so that the upper top 20 is located above the groove 38 of the inclined convex portion 30, and just can resist the The elastic member 40 , and the lower top portion 22 protrudes below the spiral hole 36 of the lower portion 28 .

The rotating rod assembly 14 mainly includes a rotating rod 46 and a knob 48. A convex shaft 52 with a hole 54 is provided in the center of the bottom 50 of the knob 48. The convex shaft 52 can be accommodated in the chamber 34. The front section of the rod 46 has a fitting part 56, a middle part has a threaded part 58, and a rear part has a resisting part 60. The rotating rod 46 is inserted through the spiral hole 36 of the lower part 28 of the installation platform 24, and through the threaded part of the middle part 58 is inserted into the spiral hole 36, and the fitting part 56 of the front part is fitted with the hole groove 54, and the abutting part 60 of the rear part is pressed against the lower top 22 (as shown in Figure 3).

In this embodiment, the protruding shaft 52 is provided with an annular groove 62 on its outer periphery. At least one positioning hole 63 is recessed in the annular groove 62 , and both sides of the installation platform 24 are respectively provided with a screw hole 64 that passes through the accommodation chamber 34 . , and a positioning block 66 is screwed on the screw hole 64. The positioning block 66 is provided with a positioning protrusion 68. The positioning protrusion 68 is attached to the annular groove 62 and is partially accommodated in the positioning hole 63. (As shown in Figure 5).

Please refer to Figure 4. When the invention is in use, by rotating the knob 48, the threaded portion 58 of the rotating rod 46 can move axially in the spiral hole 36, so that the resisting portion 60 pushes against the lower top. 22 causes the fixed base 10 to form an axial displacement, and changes the angle between the fixed base 10 and the pull rod 12 through the elastic force of the elastic member 40 and the upper top 20, so that the brake pull rod can be adjusted to the optimal position according to different riders. Best trigger control position.

With the above structure, in addition to being able to adjust the angle of the pull rod simply and quickly, it also takes safety into consideration to avoid danger due to improper operation by the user; it also allows riders of different body types to adjust the position according to their own needs. , in order to achieve better control, make the brakes more flexible, smoother and safer.

To sum up, with the simplest combination, this invention can achieve both safety and quick adjustment of the angle position of the brake lever to suit riders of different sizes, making the brakes more flexible and smooth, and is a practical design. , since it is a novel creation, I submit a patent application in accordance with the law and pray that the Bureau will review it and grant a patent as soon as possible.

10: Fixed seat 12:Tie rod 14: Rotary rod assembly 16:Fixing hole 18: Pivot hole 20: Go to the top 22: Lower top 24: Installation platform 26: Upper part 28:lower part 30: oblique convex part 32:Lug 34:Room 36: Spiral hole 38: Groove 40: Elastic parts 42:Shaft connection hole 44:Screws 46:Spin rod 48: Knob 50: bottom 52:convex shaft 54: Hole slot 56: Fitting Department 58:Thread part 60:Resistance 62: Ring groove 63: Positioning hole 64:Screw hole 66: Positioning block 68: Positioning convex part

Figure 1 is a three-dimensional view of this creation. Figure 2 is an exploded schematic diagram of this creation. Figure 3 is a schematic cross-sectional view of this creation. Figure 4 is a cross-sectional view of the adjustment action of this creation. Figure 5 is a schematic diagram of the A-A section of this creation.

10: Fixed seat

12:Tie rod

14: Rotary rod assembly

16:Fixing hole

18: Pivot hole

20: Go to the top

22: Lower top

24: Installation platform

26: Upper part

28:lower part

32:Lug

34:Room

36: Spiral hole

40: Elastic parts

42:Shaft connection hole

44:Screws

46:Spin rod

48: Knob

50: bottom

52:convex shaft

54: Hole slot

56: Fitting Department

58:Thread part

60:Resistance

62: Ring groove

63: Positioning hole

64:Screw hole

66: Positioning block

68: Positioning convex part

Claims (6)

A brake lever structure includes: A fixed base, the fixed base is provided with a fixing hole for fixing to the motorcycle at the front end, and is provided with a pivot hole at the rear end and extends an upper top and a lower top respectively behind the pivot hole; A pull rod. The front end of the pull rod has an installation platform. The installation platform includes: an upper part, a lower part, an oblique convex part and two lugs. The upper part is provided with a chamber above the installation platform, and the lower part is located above the installation platform. There is a spiral hole penetrating the chamber below the platform. The sloping portion is located at the front end of the installation platform, and a groove is provided above the sloping portion. An elastic member is disposed in the groove. The two lugs are connected by Both sides of the installation platform extend forward, and the two lugs are provided with coaxial shaft holes that can be set at the position of the pivot hole, and screws are used to pivot the shaft hole on the pivot hole of the fixed base. The upper top is positioned above the groove of the inclined convex part and can just resist the elastic member, while the lower top protrudes below the spiral hole of the lower part; A rotating rod assembly. The rotating rod assembly mainly includes a rotating rod and a knob. A convex shaft with a groove is provided in the center of the bottom of the knob. The convex shaft can be accommodated in the chamber. The front section of the rotating rod has a fitting The top and middle sections are provided with threaded parts, and the rear section is provided with a resisting section. The rotating rod is penetrated through the spiral hole at the bottom of the installation platform, and the threaded section of the middle section is inserted into the spiral hole, and the front section is fitted The upper part fits into the hole groove, and the abutting part of the rear section abuts against the lower top. In the brake lever structure described in item 1 of the patent application, the fitting part is an angular rod body, and the hole groove is arranged corresponding to the shape of the angular rod body. For example, in the brake lever structure described in item 1 of the patent application, an annular groove is provided on the outer periphery of the convex shaft, and a screw hole is provided on both sides of the installation platform that passes through the chamber. For example, in the brake lever structure described in item 3 of the patent application, a positioning block is screwed on the screw hole, and a positioning protrusion is provided on the positioning block, and the positioning protrusion is attached to the annular groove. In the brake lever structure described in Item 4 of the patent application, at least one positioning hole is recessed in the annular groove, and the positioning protrusion can be partially accommodated in the positioning hole. For example, in the brake lever structure described in item 4 or 5 of the patent application, the positioning protrusion can be a ball.

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