TWI712539B - Brake handle to prevent the brake cable from falling off - Google Patents

Abstract

A brake handle for preventing the brake cable from falling off, comprising a fixing seat and a brake grip. The fixing seat includes an upper seat body and a lower seat body. One end of the upper seat body has two lugs, and the other end has one opening in the opposite direction The upper semi-circular arc groove, the upper seat body has an accommodating groove extending to the upper semi-circular arc groove in an open shape for accommodating a fixed head of a brake cable, the lower seat system is detachably combined with the upper seat body, It has a lower semi-circular arc groove to fit the upper semi-circular arc groove to be clamped on a bicycle handle. The brake grip is pivotally connected to the two lugs by a shaft bolt; in this way, the bicycle handle Block the opening of the accommodating slot to prevent the brake cable from easily falling off, and make it suitable for installing brake cables of various specifications.

Description

Brake handle to prevent the brake cable from falling off

The present invention relates to the technical field of the structure of a bicycle brake handle, in particular to a brake handle that can prevent the brake cable from falling off easily and is suitable for installing various specifications of brake cables to prevent the brake cable from falling off.

A conventional bicycle brake handle, as shown in the Taiwan Patent Application No. 097200472, is mainly attached to 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 pivots it on an upper fixing seat, and the upper end of the positioning flange has an accommodating hole that opens toward a side surface for accommodating a fixing head of a brake cable, and the accommodating hole has a side surface extending An open line groove is provided to facilitate the access of the brake line wires. Since the openings of the accommodating hole and the line groove are open without any cover, the fixing head and the wire of the brake cable are easily detached from the accommodating hole and the line groove, which is prone to danger. Especially, when the brake cable of different specifications (such as the brake cable of the spherical fixed head) is installed on it, the volume of the spherical fixed head is smaller than the receiving hole, which makes it easier to fall off. Therefore, it is not suitable for installing other brake cables of different specifications. In addition, the conventional bicycle brake handle is clamped and fixed on the bicycle handle by using an arc-shaped groove that opens toward one side of the bottom end of the upper fixing base and an arc-shaped groove on the side of the fixing base. The overall structure and shape of the brake handle is asymmetrical between the front and back, so it is only suitable for installation on one side of the bicycle handle. If you want to install it on the other side of the bicycle handle, you need to open a mold to design the opposite The structure and shape of the bicycle brake handle, and this will not only increase the production cost, but also the user usually needs to prepare the left and right spare parts for maintenance and replacement, so it will also cause inconvenience in carrying .

In view of this, the inventor of the present invention has developed and designed the present invention with in-depth ideas and active research, improvement and trial-making in response to the above-mentioned problems.

The main purpose of the present invention is to solve the problems that the brake cable of the conventional bicycle brake handle is easy to fall off, which causes the danger and the brake cable of various specifications cannot be installed.

The brake handle for preventing the brake cable from falling off of the present invention includes a fixing 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 parallel lugs, and the other end has an upper semicircular arc groove that opens in a direction opposite to the two lugs. The upper seat The inside of the body is provided with an accommodating groove extending to the upper semicircular arc groove in an open shape for accommodating a fixed head of a brake cable, and a groove on one side of the accommodating groove extends to the side of the upper base body in an opening For facilitating the entry and exit of a wire of the brake cable, the lower seat system uses a plurality of connecting bolts to connect it with the upper seat body, and has a lower semicircular arc groove for clamping the upper semicircular arc groove on a bicycle handle. The brake grip includes a handle portion and a driving portion extending downward from the head end of the handle portion. An end of the driving portion close to the handle portion is swingably coupled between the two lugs by a shaft bolt, One end away from the handle is provided with a screw hole penetrating two opposite sides for the wire to pass through. The spring is arranged between the driving part and the upper base body, and can provide elastic force for the reset of the brake grip. The adjusting knob is screwed in the screw hole of the driving part, and the end of a conduit of the brake wire is embedded and the wire is passed through for adjusting the tension of the brake wire.

The brake handle provided by the present invention for preventing the brake cable from falling off can be designed with the opening of the accommodating groove facing the upper semi-circular arc groove, so that when the brake handle is installed on the bicycle handle, the accommodating groove The opening of the brake cable will be blocked by the bicycle handle, so once the fixing head of the brake cable is inserted into the accommodating groove, it will not easily come off. In contrast, brake cables of various specifications (such as brake cables with smaller spherical fixed heads) will not be detached from the accommodating groove, so it is suitable for installing brake cables of various specifications.

10‧‧‧Fixed seat

11‧‧‧Upper body

12‧‧‧Lower seat

13‧‧‧Combination bolt

14‧‧‧Ears

140‧‧‧wing piece

15‧‧‧Upper semicircular arc groove

16‧‧‧Containing Slot

17‧‧‧Slot

18‧‧‧Lower semicircular arc groove

20‧‧‧Brake Grip

21‧‧‧Handle

22‧‧‧Drive

23‧‧‧Curved arc

24‧‧‧Axle hole

25‧‧‧Spring Groove

26‧‧‧Screw hole

27‧‧‧Ditching

30‧‧‧Axle bolt

40‧‧‧Spring

50‧‧‧Adjusting knob

51‧‧‧Adjusting bolt

52‧‧‧Locating nut

53‧‧‧Stud

54‧‧‧Perforation

55‧‧‧Inlay slot

56‧‧‧Bolt slot

57‧‧‧Nut slot

60‧‧‧Brake cable

61‧‧‧Fixed head

62‧‧‧Wire

63‧‧‧Conduit

70‧‧‧Bike handle

A‧‧‧Clip

Figure 1 is an exploded perspective view of the present invention.

Figure 2 is an enlarged schematic view of the three-dimensional assembly 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.

Figure 5 is a schematic diagram of the use state of the present invention applicable to the left and right sides of the bicycle handlebar.

Please refer to FIGS. 1 to 4, which show that the brake handle for preventing the brake cable from falling off according to the present invention includes a fixing base 10, a brake grip 20, a shaft bolt 30, a spring 40 and an adjustment knob 50. Wherein: the fixing base 10 includes an upper base body 11, a lower base body 12 and a plurality of connecting bolts 13. The upper end of the upper seat body 11 has two ears 14 arranged in parallel and spaced apart, and the lower end has an upper semicircular arc groove 15 that opens in a direction opposite to the two ears 14, and one side of the two ears 14 is respectively convex Two fins 140 are provided. The upper seat body 11 has an opening-shaped accommodating groove 16 extending to the center of the upper semicircular arc groove 15 at the lower side of the inner portion. The accommodating groove 16 can accommodate a brake cable 60 A fixing head 61 with a groove 17 on one side of the accommodating groove 16 extending to the side of the upper base body 11 in an open shape for facilitating entry and exit of a wire 62 of the brake cable 60. The lower seat body 12 has a lower semicircular arc groove 18 for clamping the upper semicircular arc groove 15 on a bicycle handle 70. The plurality of connecting bolts 13 are symmetrically arranged and used for screw-locking the lower base 12 and the upper base 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 arranged between the two lugs 14, and has a shaft hole 24 and a spring groove 25 at one end close to the handle 21, and has a screw hole 26 passing through two opposite sides at an end far away from the handle 21 One side of the screw hole 26 has a cut-out groove 27 that extends to the side and opens in an open shape to facilitate the entry and exit of the wire 62.

The axle bolt 30 is connected to the two lugs 14 and the axle hole 24 of the brake grip 20 so that the brake grip 20 can swing with the axle bolt 30 as the axis.

The spring 40 is arranged in the spring groove 25 and is used for the shaft bolt 30 to pass through. One end abuts the brake grip 20 and the other end abuts the fixing seat 10 to provide the brake grip 20 to be pressed Elasticity 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 allows the wire 62 to pass through, and the other end of the through hole 54 has a larger inner diameter with a slot 55 for embedding the end of a conduit 63 of the brake cable 60. One side of the perforation 54 has a bolt slot 56 extending to the peripheral surface in an open shape for facilitating 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 the required screw lock length. One side of the positioning nut 52 is provided with a nut wire groove 57 that penetrates into the inside for the wire 62 to pass in and out.

Please refer to Figs. 1, 2 and 3 for reference. After the fixing head 61 of the brake cable 60 is inserted into the accommodating groove 16, the wire 62 can pass through the groove 17, the slit 27, The nut wire groove 57 and the bolt wire groove 56 are designed to easily enter the screw hole 26 and the perforation 54 so that one end of the pipe 63 is easily embedded in the embedding groove 55. As long as the adjusting bolt 51 and the positioning nut 52 are rotated so that the bolt groove 56 and the nut groove 57 and the slit 27 form a staggered state, the wire 62 can be prevented from detaching; otherwise, only the adjusting bolt is rotated 51 and the positioning nut 52 align the bolt slot 56 and the nut slot 57 with the slit 27, and the wire 62 can be easily detached. Therefore, the disassembly and assembly of the brake cable 60 is more convenient, fast and simple. In particular, the opening of the accommodating slot 16 is blocked by the bicycle handle 70, so once the fixing head 61 of the brake cable 60 is inserted into the accommodating slot 16, it will not easily come off. In contrast, brake cables 60 of various specifications (such as brake cables with smaller spherical fixed heads) will not be detached from the accommodating groove 16, so it is suitable for installing brake cables 60 of various specifications. .

Please refer to Figures 3 and 4 again. When the user's hand presses the handle 21 of the brake grip 20, the brake grip 20 will swing around the shaft bolt 30 to make the handle 21 approaches the bicycle handle 70. At this time, a clamping opening A is formed between the driving part 22 and the upper body 11 of the fixing seat 10. Then the driving part 22 pushes the guide tube 63 through the adjustment knob 50. The fixing head 61 at one end of the wire 62 is fixed in the accommodating groove 16 of the upper base body 11, so when the guide tube 63 is pushed by the driving portion 22, the brake (not shown) will be actuated. Control effect. When the user's hand releases the handle 21 of the brake grip 20, the spring 40 will reset the brake grip 20, and then the brake will be linked to no longer produce a detent effect.

Please refer to Figures 1, 2, and 5 for the brake handle of the present invention to prevent the brake cable from falling off. The upper body 11 and the lower body 12 of the fixing seat 10 are through the upper semicircular arc groove 15 And the lower semi-circular arc groove 18 to clamp and fix the structure on the bicycle handle 70, so that the overall structure and shape of the fixing seat 10 can be symmetrical to the front and back sides (that is, they have the same shape after being turned over. ), and the accommodating groove 16 of the fixing seat 10 for accommodating the fixing head 61 of the brake cable 60 is also provided in the center of the upper semicircular arc groove 15, so the single specification of the present invention prevents the brake cable from falling off The brake handle system can be installed on the left or right side of the bicycle handle 70 without the need to 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 handle the maintenance and replacement of the left or right brake handle of the bicycle handle 70 at the same time, so the spare parts are more convenient to carry and do not take up space.

To sum up, because the present invention has the above advantages and practical value, and no similar products have been published in similar products, it has met the requirements of an invention patent application and it is a lawful application.

10‧‧‧Fixed seat

11‧‧‧Upper body

12‧‧‧Lower seat

13‧‧‧Combination bolt

14‧‧‧Ears

140‧‧‧wing piece

15‧‧‧Upper semicircular arc groove

16‧‧‧Containing Slot

17‧‧‧Slot

18‧‧‧Lower semicircular arc groove

20‧‧‧Brake Grip

21‧‧‧Handle

22‧‧‧Drive

23‧‧‧Curved arc

24‧‧‧Axle hole

25‧‧‧Spring Groove

26‧‧‧Screw hole

27‧‧‧Ditching

30‧‧‧Axle bolt

40‧‧‧Spring

50‧‧‧Adjusting knob

51‧‧‧Adjusting bolt

52‧‧‧Locating nut

53‧‧‧Stud

54‧‧‧Perforation

55‧‧‧Inlay slot

56‧‧‧Bolt slot

57‧‧‧Nut slot

60‧‧‧Brake cable

61‧‧‧Fixed head

62‧‧‧Wire

63‧‧‧Conduit

70‧‧‧Bike handle

Claims (7)

A brake handle for preventing the brake cable from falling off, comprising: a fixing seat comprising an upper seat body and a lower seat body. One end of the upper seat body has two parallel lugs, and the other end has an opening in a direction opposite to the two lugs An upper semi-circular arc groove, the upper seat body has an accommodating groove extending to the upper semi-circular arc groove in an open shape for accommodating a brake cable and a fixed head, and one side of the accommodating groove has a groove The side surface extending to the upper seat body is open to facilitate the entry and exit of a wire of the brake cable. The lower seat system uses a plurality of connecting bolts to connect it with the upper seat body, and it has a lower semi-circular arc groove to fit the upper semicircle The arc groove is clamped on a bicycle handle; a brake grip includes a handle and a driving part extending downward from the head end of the handle. An end of the driving part close to the handle can be achieved by a shaft bolt. Swingingly combined between the two lugs, one end away from the handle has a screw hole penetrating two opposite sides for the wire to pass through; a spring is arranged between the driving part and the upper seat body, and can provide The elasticity of the brake grip restoring; and an adjustment knob which is screwed in the screw hole of the driving part, and the end of a conduit of the brake cable is embedded and the wire is passed through for adjusting the The tension of the brake cable. The brake handle for preventing the brake cable from falling off according to claim 1, wherein the accommodating groove is located in the center of the upper seat body, and the plurality of connecting bolts are arranged symmetrically. The brake handle for preventing the brake cable from falling off according to claim 1, wherein the driving part of the brake handle has a shaft hole at one end near the handle for the shaft bolt to pass through. The brake handle for preventing the brake cable from falling off according to claim 1, wherein one end of the driving part of the brake grip near the handle has a spring groove for accommodating the spring, and the spring is for the shaft bolt to pass through, and one end Abuts against the driving part, and the other end abuts against the upper base body. The brake handle for preventing the brake cable from falling off according to claim 1, wherein the adjusting knob includes an adjusting bolt and a positioning nut, one end of the adjusting bolt has a stud for screw locking in the screw hole, and The adjusting bolt has a perforation at both ends for the wire to pass through, and the other end of the perforation has a slot with a larger inner diameter for embedding the end of the pipe of the brake cable. The positioning nut The bolt is set on the stud for positioning the adjusting bolt at the required lock length. The brake handle for preventing the brake cable from falling off according to claim 5, wherein one side of the screw hole of the driving part has an open-shaped groove extending to the side to facilitate the entry and exit of the wire, and the perforation of the adjusting bolt One side of the locating nut has a bolt slot extending to the peripheral surface in an open shape for facilitating the in and out of the wire, and one side of the positioning nut has a nut slot penetrating into the inside for the wire to facilitating in and out. The brake handle for preventing the brake cable from falling off according to claim 1, wherein the rear end of the handle of the brake handle is formed into an upwardly curved arc for preventing the user's hand from slipping out.

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