TW202009167A - Brake lever capable of preventing brake cable from falling off using the bicycle handlebars to block the opening of the accommodating slot for preventing the brake line from easily falling off to make it applicable for installing brake cables of various specifications - Google Patents

Abstract

The brake lever capable of preventing brake cable from falling off of this invention comprises a fixing seat and a brake grip. The fixing seat comprises an upper seat body and a lower seat body. One end of the upper seat body has two lugs and the other end has an upper semi-circular arc slot opened toward the opposite direction. The upper seat body has an open-shaped accommodating slot extended to the upper semi-circular arc slot for accommodating a brake cable. The lower seat body is detachably combined with the upper seat body. The lower seat body has a lower semi-circular arc slot for being matched up with the upper semi-circular arc slot to be clamped on bicycle handlebars. The brake grip can be swingably combined to the two lugs using an axle bolt. Therefore, the opening of the accommodating slot can be blocked by the bicycle handlebars to prevent the brake cable from easily falling off, and the bicycle lever can be applicable for installing brake cables of various specifications.

Description

Brake handle for preventing brake cable from falling off

The invention relates to the technical field of the structure of a bicycle brake handle, in particular to a brake handle which can prevent the brake wire from falling off easily, and can be applied to install various types of brake lines to prevent the brake wire from falling off.

A conventional bicycle brake handle, as shown in the Taiwan Patent Application No. 097200472, is mainly formed by a positioning flange protruding downward from the head end of a brake grip. The lower end of the positioning flange uses a bolt and a The nut is pivotally mounted on an upper fixing seat, and the upper end of the positioning flange has an accommodating hole opening toward a side surface for accommodating a fixing head of a brake wire, the accommodating hole has a side extending One of the opening-shaped wire grooves facilitates the access of the brake wire. Since the openings of the accommodating hole and the wire groove are open without any cover, the fixing head and the wire of the brake wire are easily detached from the accommodating hole and the wire groove, which is prone to danger. In particular, when the brake wires of different specifications (such as the brake wire of the spherical fixed head) are installed on it, the volume of the spherical fixed head is smaller than the accommodating hole, which makes it easier to fall off. Therefore, it is not suitable for installing other brake cables with different specifications. In addition, the conventional bicycle brake handle is clamped and fixed on the bicycle handlebar by using an arc-shaped groove with the bottom end of the upper fixing seat opening toward one side and an arc-shaped groove on the side of the fixing seat, so that the conventional bicycle The overall structure and shape of the brake handle are asymmetrical on the front and back, so it is only suitable for installation on one side of the bicycle handle. To install on the other side of the bicycle handle, you need to open the mold to design the opposite The structure and shape of the bicycle brake handle will not only increase the production cost, but also the user needs to prepare the left and right specifications for maintenance and replacement at the same time, so it will also cause inconvenience in carrying .

In view of this, the present inventors have conceived and actively researched, improved, and tried for the above problems, and then developed and designed the present invention.

The main purpose of the present invention is to solve the problems that the brake wire of the conventional bicycle brake handle is easy to fall off, which is dangerous, and it is not suitable to install brake wires of various specifications.

The brake handle for preventing the brake cable from falling off includes a fixed seat, a brake grip, a spring and an adjusting knob. Wherein, the fixing seat includes an upper seat body and a lower seat body, one end of the upper seat body has two lugs in parallel, and the other end has an upper semi-circular arc groove opening in a direction opposite to the two lugs, the upper seat Inside the body, there is an accommodating groove extending into the upper semi-circular arc groove in an opening shape, which can accommodate a fixing head of a brake wire, and one side of the accommodating groove has a groove extending to the side of the upper seat body in an opening shape In order to facilitate the entry and exit of one of the wires of the brake wire, the lower seat system uses a plurality of coupling bolts to combine it with the upper seat body, and it has a lower semi-circular arc groove to fit the upper semi-circular arc groove to clamp on a bicycle handlebar. The brake grip includes a handle portion and a driving portion extending downward from the head end of the handle portion, and an end portion of the driving portion near the handle portion is swingably coupled between the two ear pieces by a pivot bolt, One end remote from the handle has a screw hole penetrating two opposite sides for the wire to pass through. The spring is arranged between the driving part and the upper seat body, and can provide an elastic force for resetting the brake grip. The adjusting knob is screwed in the screw hole of the driving part, and is used for embedding an end of a conduit of the brake wire and threading the wire, for adjusting the tension of the brake wire.

The brake handle for preventing the brake wire from falling off can be designed by the opening of the accommodating groove toward the upper semi-circular arc groove, so that when the brake handle is installed on the bicycle handle, the accommodating groove The opening of will be blocked by the handlebar of the bicycle, so once the fixed head of the brake wire is inserted into the accommodating groove, it will not be easily disengaged. On the contrary, the brake cables of various specifications (such as the brake cable of the spherical fixed head with a smaller volume) will not be separated from the accommodating groove, so it can be applied to the installation of brake cables of various specifications.

10‧‧‧Fixed seat

11‧‧‧ Upper body

12‧‧‧Lower body

13‧‧‧Combination bolt

14‧‧‧ ear piece

140‧‧‧wing

15‧‧‧Upper semicircular arc slot

16‧‧‧Accommodation slot

17‧‧‧groove

18‧‧‧Lower semicircular arc slot

20‧‧‧brake grip

21‧‧‧handle

22‧‧‧Drive Department

23‧‧‧Curved arc

24‧‧‧Shaft hole

25‧‧‧Spring groove

26‧‧‧Screw hole

27‧‧‧Ditch

30‧‧‧shaft bolt

40‧‧‧Spring

50‧‧‧Adjustment knob

51‧‧‧Adjustment bolt

52‧‧‧Locating nut

53‧‧‧ Stud

54‧‧‧Perforation

55‧‧‧Embedded groove

56‧‧‧bolt trunking

57‧‧‧Nut

60‧‧‧brake cable

61‧‧‧Fixed head

62‧‧‧Wire

63‧‧‧Catheter

70‧‧‧ Bicycle handlebar

A‧‧‧Grip

Figure 1 is a three-dimensional exploded view of the present invention.

Figure 2 is an enlarged schematic view of the three-dimensional combination of the present invention.

Figure 3 is a schematic cross-sectional view of the present invention.

Figure 4 is a schematic diagram of the operation of the present invention.

FIG. 5 is a schematic view of a use state in which the present invention can be applied to the left and right sides of a bicycle handlebar.

Please refer to FIG. 1 to FIG. 4, which shows that the brake handle for preventing the brake cable from falling off includes a fixing base 10, a brake grip 20, a shaft bolt 30, a spring 40 and an adjusting knob 50. Wherein, the fixing seat 10 includes an upper seat body 11, a lower seat body 12 and a plurality of coupling bolts 13. The upper seat 11 has two lugs 14 arranged at parallel intervals on the upper end, and an upper semi-circular arc groove 15 opening in a direction opposite to the lugs 14 on the lower end, and one side of the lugs 14 is convex respectively Two fins 140 are provided. The upper seat body 11 has a receiving groove 16 extending to the center of the upper semi-circular arc groove 15 in the shape of an opening at the lower side, and the receiving groove 16 can accommodate a brake wire 60 A fixing head 61 has a groove 17 on one side of the accommodating groove 16 and extends to the side of the upper seat body 11 to be open for the wire 62 of the brake wire 60 to enter and exit. The lower seat body 12 has a lower semi-circular arc slot 18 for fitting the upper semi-circular arc slot 15 to a bicycle handle 70. The plural coupling bolts 13 are arranged symmetrically and are used to screw-couple the lower seat body 12 with the upper seat body 11.

The brake grip 20 includes a handle 21 and a driving portion 22 extending downward from the head end of the handle 21. The tail end of the handle 21 is formed with an upwardly curved arc section 23 for preventing the user's hand from slipping out. The driving portion 22 is disposed between the two lugs 14, and has a shaft hole 24 and a spring groove 25 at an end near the handle 21, and a screw hole 26 penetrating two opposite sides at the end away from the handle 21 The one side of the screw hole 26 has a slit 27 extending to the side of the opening to facilitate the entry and exit of the wire 62.

The shaft bolt 30 is coupled to the shaft holes 24 of the two lugs 14 and the brake handle 20 so that the brake handle 20 can swing about the shaft 30 as the axis.

The spring 40 is disposed in the spring groove 25 and is used for the shaft bolt 30 to pass through. One end is against the brake handle 20 and the other end is against the fixing seat 10, which can provide the brake handle 20 to be compressed The resilience after reset.

The adjusting knob 50 includes an adjusting bolt 51 and a positioning nut 52. One end of the adjusting bolt 51 has a stud 53 for screwing in the screw hole 26, and the adjusting bolt 51 has two through ends inside A through hole 54 is provided for the wire 62 to pass through, and the other end of the through hole 54 has an insertion groove 55 with a larger inner diameter for the end of a conduit 63 of the brake wire 60. One side of the through hole 54 has a bolt wire groove 56 extending to the peripheral surface to facilitate the entry and exit of the wire 62. The positioning nut 52 is screwed on the stud 53 for positioning the adjusting bolt 51 at a required screw lock length. One side of the positioning nut 52 has a nut wire slot 57 penetrating to the inside for the wire 62 to facilitate entry and exit.

Please refer to Figures 1, 2, and 3 to see that when the fixing head 61 of the brake wire 60 is inserted into the accommodating groove 16, the wire 62 can pass through the groove 17, the groove 27, The design of the nut wire groove 57 and the bolt wire groove 56 easily enters into the screw hole 26 and the through hole 54, so that one end of the conduit 63 is therefore easily embedded in the insertion groove 55 at this time As long as the adjustment bolt 51 and the positioning nut 52 are rotated to make the bolt wire groove 56 and the nut wire groove 57 intersect with the slot 27, the wire 62 can be prevented from coming off; otherwise, as long as the adjustment bolt is rotated 51 and the positioning nut 52 align the bolt wire groove 56 and the nut wire groove 57 with the slot 27, then the wire 62 can be easily detached. Therefore, the disassembly and assembly of the brake wire 60 is more convenient, fast and simple. In particular, the opening of the accommodating groove 16 will be blocked by the bicycle handle 70, so once the fixing head 61 of the brake wire 60 is inserted into the accommodating groove 16, it will not be easily disengaged. On the other hand, the brake wires 60 of various specifications (such as the brake wire of the spherical fixed head with a smaller volume) will not be detached from the accommodating groove 16, so it is applicable to the installation of brake wires 60 of various specifications .

Please refer to Figures 3 and 4 again. When the user's hand presses the handle 21 of the brake handle 20, the brake handle 20 will swing around the shaft 30 to make the handle 21 toward the bicycle handle 70, at this time a pinch A is formed between the driving part 22 and the upper seat body 11 of the fixed seat 10, and then the driving part 22 pushes the catheter 63 through the adjusting knob 50. The fixing head 61 at one end of the wire 62 is fixed in the accommodating groove 16 of the upper seat body 11, so that when the catheter 63 is pushed by the driving part 22, the brake (not shown) will be actuated and produced Strobing effect. When the user's hand releases the handle 21 of the brake grip 20, the spring 40 resets the brake grip 20, and then the brake is no longer affected by the brake.

Please refer to the first, second, and fifth figures, the brake handle of the present invention for preventing the brake wire from falling off, the upper seat body 11 and the lower seat body 12 of the fixing seat 10 through the upper semi-circular arc groove 15 And the structure of the lower semi-circular arc groove 18 to be clamped and fixed on the bicycle handle 70 can make the overall structure and shape of the fixing base 10 have a symmetrical front and back states (that is, the same shape after turning ), and the accommodating groove 16 of the fixing seat 10 for accommodating the fixing head 61 of the brake wire 60 is also provided at the center of the upper semi-circular arc groove 15, so the single type of anti-braking wire of the present invention falls off The brake handle can be universally installed on the left or right side of the bicycle handle 70, without the need to separately open the mold to design the specifications of the left and right sides, so the production cost can be greatly reduced. Moreover, the relative spare parts only need to carry one set to cope with the maintenance and replacement of the brake handle on the left or right side of the bicycle handle 70, so the spare parts are more convenient and do not occupy space.

In summary, because the present invention has the above advantages and practical value, and no similar products have been published in similar products, the application requirements of the invention patent have been met, and the application is filed according to law.

10‧‧‧Fixed seat

11‧‧‧ Upper body

12‧‧‧Lower body

13‧‧‧Combination bolt

14‧‧‧ ear piece

140‧‧‧wing

15‧‧‧Upper semicircular arc slot

16‧‧‧Accommodation slot

17‧‧‧groove

18‧‧‧Lower semicircular arc slot

20‧‧‧brake grip

21‧‧‧handle

22‧‧‧Drive Department

23‧‧‧Curved arc

24‧‧‧Shaft hole

25‧‧‧Spring groove

26‧‧‧Screw hole

27‧‧‧Ditch

30‧‧‧shaft bolt

40‧‧‧Spring

50‧‧‧Adjustment knob

51‧‧‧Adjustment bolt

52‧‧‧Locating nut

53‧‧‧ Stud

54‧‧‧Perforation

55‧‧‧Embedded groove

56‧‧‧bolt trunking

57‧‧‧Nut

60‧‧‧brake cable

61‧‧‧Fixed head

62‧‧‧Wire

63‧‧‧Catheter

70‧‧‧ Bicycle handlebar

Claims (7)

A brake handle for preventing the brake cable from falling off includes a fixed seat including an upper seat body and a lower seat body, one end of the upper seat body has two parallel lugs at one end, and the other end has openings opposite to the two lugs One of the upper semi-circular arc grooves, the upper seat body has an accommodating groove extending to the upper semi-circular arc groove in an opening shape for accommodating a fixing head of a brake wire, and one side of the accommodating groove has a groove The side of the upper seat body is open to facilitate the entry and exit of one of the wires of the brake wire. The lower seat system uses a plurality of coupling bolts to combine it with the upper seat body. It has a lower semi-circular arc groove to fit the upper semi-circle The arc slot is clamped on a bicycle handlebar; a brake grip includes a handle and a driving portion extending downward from the head end of the handle, and the end of the driving portion near the handle is a shaft bolt It is swingably combined between the two lugs, and one end away from the handle has a screw hole penetrating the two opposite sides for the wire to pass through; a spring is provided between the driving part and the upper seat body to provide The resilience of the reset of the brake grip; and an adjustment knob, which is screwed in the screw hole of the driving part, and is provided for embedding the end of a conduit of the brake wire and for passing the wire for adjusting the The tension of the brake cable. The brake handle as claimed in claim 1, wherein the accommodating groove is located in the center of the upper seat body, and the plural combination bolts are arranged symmetrically. The brake handle for preventing the brake cable from falling off according to claim 1, wherein an end of the driving portion of the brake grip near the handle portion has a shaft hole for the shaft bolt to pass through. The brake handle for preventing the brake cable from falling off according to claim 1, wherein the drive portion of the brake grip has a spring groove at one end close to the handle portion for accommodating the spring, the spring is for the shaft bolt to pass through, and one end Against the driving part, and the other end against the upper seat body. The brake handle as claimed in claim 1, wherein the adjustment knob includes an adjustment bolt and a positioning nut, and one end of the adjustment bolt has a stud for screwing in the screw hole, and The adjusting bolt has a through hole penetrating through both ends for the wire to pass through, the other end of the through hole has a larger inner diameter of an insertion groove for embedding the end of the conduit of the brake wire, the positioning nut The screw is provided on the stud for positioning the adjusting bolt at the required screw lock length. The brake handle for preventing the brake wire from falling off according to claim 5, wherein the screw hole of the driving part has a groove extending to the side of the opening to facilitate the entry and exit of the wire, and the perforation of the adjustment bolt One side of the bolt has a slot that extends to the peripheral surface and is open to facilitate the entry and exit of the wire. One side of the positioning nut has a nut slot that penetrates to the inside for the lead to enter and exit. The brake handle as claimed in claim 1, wherein the rear end of the handle portion of the brake grip forms an upwardly curved arc section for preventing the user's hand from slipping out.

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