CN108791648B

CN108791648B - Handlebar structure convenient to brake

Info

Publication number: CN108791648B
Application number: CN201810638573.5A
Authority: CN
Inventors: 骆春阳; 胡晨; 吴家乐; 方振江; 李理; 吴芸
Original assignee: YUEJIN HOLDING GROUP CO Ltd
Current assignee: YUEJIN HOLDING GROUP CO Ltd
Priority date: 2018-06-20
Filing date: 2018-06-20
Publication date: 2020-03-24
Anticipated expiration: 2038-06-20
Also published as: CN108791648A

Abstract

The invention discloses a handlebar structure convenient for braking, which is positioned at the front side of a body frame and comprises a handlebar rod, a limiting rod and a brake wire, wherein the limiting rod and the brake wire are fixed with the body frame, the brake wire comprises an inner core and a shell, one side of the limiting rod is provided with a brake hole which can accommodate the inner core of the brake wire to pass through and block the shell of the brake wire, a connecting rod is arranged between the handlebar rod and the limiting rod, two ends of the connecting rod are respectively and rotatably connected with the handlebar rod and the limiting rod, a connecting groove which can accommodate the connecting rod to rotate is arranged in the limiting rod, the inner core of the brake wire extends into the handlebar rod after passing through the brake hole, and a control assembly which can fix the inner core. The invention has the advantages that palm grip braking is changed into arm thrust braking, is suitable for people with small hands or small hand strength, and has reliable braking effect; the bicycle handle bar can be normally ridden only after being completely reset manually, so that the safety is high; the faster the vehicle body speed, the faster the brake can be correspondingly due to the inertia effect, and the response capability of the emergency situation is strong.

Description

Handlebar structure convenient to brake

Technical Field

The invention relates to the technical field of vehicle body parts, in particular to a handlebar structure convenient for braking.

Background

The hand brakes of motorcycles, electric vehicles, bicycles and the like are all provided with handlebars, the handlebars are provided with brake rods, and the brake rods are connected with a band-type brake through brake cables, so that the braking of the wheels is completed. The brake rod is usually rotatably connected to a bicycle plate, an inner core of a brake cable is fixed in the brake rod, a through hole is formed in a handlebar and used for limiting a shell of the brake cable through the inner core of the brake cable, in order to facilitate braking, the outer end of the brake rod is prevented from colliding with a handlebar during braking to influence the braking effect, an arc section which is bent outwards is usually arranged on the brake rod, the outer end of the brake rod is inconvenient to press down, force is usually exerted by a forefinger and a thumb, and the position pressed by fingers is located at the position, close to the connection position of the bicycle plate, of the brake rod, the arm of force is short, large force is needed during braking, the brake rod is inconvenient for people with small hand; after the hand brake is used for braking, the braking device can reset when the hand is released, and potential safety hazards exist.

Therefore, the handlebar structure is improved. For example, the invention discloses a practical novel patent entitled "brake handle with adjustable grip distance" with an authorized publication number of CN207173870U and an authorized publication date of 2018, 4 and 3, the application discloses a brake handle with adjustable grip distance, which can conveniently and quickly adjust the grip distance of the brake handle according to the requirement, and in order to achieve the above purpose, the invention provides the following technical scheme: the brake handle comprises a connecting part connected with a brake component, the connecting part is provided with an adjusting part, the adjusting part comprises a fixing part and an adjusting part, the adjusting part is provided with a handle, and an adjusting device matched with the handle and the connecting part is arranged between the handle and the connecting part. The defect is that the utility model can not be applied to the rider with smaller hand strength; the adjusting device increases the weight of the handlebar, which is not beneficial to the riding of the vehicle; after the hand brake is used for braking, the braking device can reset when the hand is released, and potential safety hazards exist.

Therefore, it is necessary to design a handlebar structure which is suitable for people with small hand strength, can brake in a labor-saving way and has no automatic resetting of a braking device.

Disclosure of Invention

The invention provides a handlebar structure convenient for braking, which can facilitate hand braking, improve braking efficiency, avoid automatic resetting and achieve high safety, and overcomes the defects that the existing handlebar has too short arm of force, requires large force during braking and the braking device automatically resets.

In order to achieve the above object, the present invention adopts the following technical solutions.

The utility model provides a handlebar structure convenient to braking, be located body frame's front side, including the handlebar pole, gag lever post and brake cable fixed with body frame, the brake cable includes inner core and casing, one side of gag lever post is equipped with the brake hole that the inner core that can hold the brake cable passes through and blocks the casing of brake cable, be equipped with the connecting rod between handlebar pole and the gag lever post, the both ends of connecting rod respectively with the handlebar pole, gag lever post rotatable coupling, be equipped with in the gag lever post and hold connecting rod pivoted spread groove, the inner core of brake cable stretches into in the handlebar pole after passing through the brake hole, be equipped with the control assembly that can fix the brake cable inner core in the handlebar pole.

Preferably, the coupling groove faces the outside of the vehicle body frame.

Preferably, the vehicle body frame is provided with a supporting rod fixed with the vehicle body frame on one side of the orientation of the limiting groove, and the supporting rod is provided with a supporting pad capable of supporting one end of the handlebar.

Preferably, the two ends of the connecting rod are respectively hinged with the handlebar rod and the limiting rod, and the rotating axis of the connecting rod is perpendicular to that of the handlebar rod.

Preferably, the handlebar pole is the cylinder, and the one end of handlebar pole towards the connecting rod is equipped with flat connecting block, and the thickness of connecting block is less than the groove width of spread groove, is equipped with the articulated post in the connecting block.

Preferably, the upper side of the limiting rod is provided with a notch matched with the handlebar rod to rotate, and one side of the handlebar rod, back to the notch, is provided with a return spring connected with the lower side of the limiting rod.

Preferably, the control assembly comprises a brake switch, the brake switch is rotatably arranged on the wall of the handlebar stem, one end of the brake switch, which is positioned on one side in the handlebar stem, is hinged with a control rod, a control hole which can allow an inner core of the brake cable to pass through and slide is arranged in the control rod, and one end of the control rod, which faces the interior of the handlebar stem, passes through a control protrusion fixed on the handlebar stem.

Preferably, the magnetic attraction elements are arranged in one ends of the supporting pad and the handlebar rod matched with the supporting pad respectively.

Preferably, a sealing plug is arranged at one end of the handlebar, which is far away from the connecting rod, and a tension spring connected with the brake wire inner core is arranged in the sealing plug.

The invention has the advantages that:

1. after the control assembly fixes the forehead inner core of the brake wire, the hand brake of the vehicle body can be completed by pressing the handlebar, the palm grip brake is changed into the arm thrust brake, the hand brake is suitable for people with small hands or small hand strength, and the brake effect is reliable;

2. after the handlebar rod is completely reset manually, the bicycle body can be ridden normally, the braking action is reliable, the bicycle body cannot be loosened, and the safety is high;

3. after the human body is nervous, the handlebar rod is held tightly to push the handlebar rod forwards, the speed of the bicycle body is higher, the brake can be correspondingly higher under the action of inertia, and the response capability of sudden situations is strong.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural diagram of the invention during braking.

Fig. 3 is an internal cross-sectional view of the present invention.

Fig. 4 is an enlarged schematic view at a in fig. 3.

FIG. 5 is a schematic view of the connection of the handlebar to the connecting rod in accordance with the present invention.

In the figure: the body frame 1, the handlebar 2, the connecting block 21, the return spring 211, the hinged column 212, the sealing plug 22, the tensioning spring 23, the limiting rod 3, the braking hole 32, the connecting groove 33, the connecting rod 4, the braking wire 5, the shell 52, the supporting rod 6, the braking switch 7, the control protrusion 72 of the control rod 71 of the braking switch 7 are arranged on the supporting rod 6.

Detailed Description

The invention is further described below with reference to the figures and specific embodiments.

In fig. 1 to 5, a handlebar structure convenient to braking, be located the front side of body frame 1, including handlebar pole 2, gag lever post 3 and brake cable 5 fixed with body frame 1, brake cable 5 includes inner core 51 and casing 52, one side of gag lever post 3 is equipped with the braking hole 32 that can hold inner core 51 of brake cable 5 and pass through and block casing 52 of brake cable 5, be equipped with connecting rod 4 between handlebar pole 2 and the gag lever post 3, the both ends of connecting rod 4 respectively with handlebar pole 2, gag lever post 3 rotatable coupling, specifically be that the both ends of connecting rod 4 respectively with handlebar pole 2, gag lever post 3 are articulated, the axis of rotation of connecting rod 4 is perpendicular with the axis of rotation of handlebar pole 2. Be equipped with in the gag lever post 3 and hold connecting rod 4 pivoted spread groove 33, spread groove 33 is towards the outside of body frame 1, conveniently presses handlebar pole 2 completion braking at the in-process of riding. The upper side of gag lever post 3 is equipped with the pivoted breach 31 of cooperation handlebar stem 2, and the one side that handlebar stem 2 dorsad breach 31 is equipped with the reset spring 211 of being connected with gag lever post 3 downside. The inner core 51 of the brake cable 5 extends into the handlebar stem 2 through the brake hole 32, the handlebar stem 2 is cylindrical, one end, facing the connecting rod 4, of the handlebar stem 2 is provided with a flat connecting block 21, the thickness of the connecting block 21 is smaller than the groove width of the connecting groove 33, an articulated column 212 is arranged in the connecting block 21, and the handlebar stem 2 is articulated with the connecting pipe through the articulated column 212. In fig. 3, the included angle between the handlebar 2 and the connecting rod 4 is an obtuse angle, which facilitates the rotation of the connecting rod 4 on the handlebar 2. The end of the handlebar 2 far away from the connecting rod 4 is provided with a sealing plug 22, and a tension spring 23 connected with an inner core 51 of the brake cable 5 is arranged in the sealing plug 22. The inside of the handlebar 2 is provided with a control component which can fix the inner core 51 of the brake cable 5. In fig. 3 and 4, the control assembly includes a brake switch 7, an outer side of the brake switch 7 away from the handlebar 2 is provided with an arc-shaped concave surface to form a pressing protrusion at two ends, the brake switch 7 is rotatably arranged on a side wall of the handlebar 2 through a hinge, one side of one end of the brake switch 7 located in the handlebar 2 is provided with a control rod 71 through a hinge, a control hole capable of allowing the inner core 51 of the brake cable 5 to pass through and slide is arranged in the control rod 71, so that the inner core 51 of the brake cable 5 passes through one end of the control rod 71, and one end of the control rod 71 facing the inner side of the handlebar 2 passes through a control protrusion 72 fixed on the handlebar 2. In fig. 1 and 2, a support rod 6 fixed to the vehicle body frame 1 is disposed on one side of the vehicle body frame 1 facing the limiting groove, and a support pad 61 capable of supporting one end of the handlebar 2 is disposed on the support rod 6. Be equipped with the magnetic element in the one end of supporting pad 61 and handlebar pole 2 cooperation supporting pad 61 respectively, the magnetic element can be for setting up the magnetite in supporting pad 61 and the handlebar pole 2 respectively.

When the handlebar is not braked, as shown in fig. 1 and 5, at this time, the handlebar stem 2 is lifted upwards from the notch 31 of the limiting opening under the action of the return spring 211, the control switch is not pressed down, the inner core 51 of the brake wire 5 is loosened, and the handlebar stem 2 cannot rotate because the connecting block 21 of the handlebar stem 2 is not in the connecting groove 33 of the limiting stem 3; in fig. 5, the side surface of the notch 31 abuts against the upper side surface of the connecting block 21, so that the rotation angle of the handlebar 2 can be limited, and the handlebar 2 can be conveniently ridden. As shown in fig. 3 and 4, before riding, the control switch can be pressed, the control rod 71 moves upwards, the control rod 71 and the control protrusion 72 are matched to clamp the inner core 51 of the brake cable 5, when braking is needed, the handlebar rod 2 is pressed, the return spring 211 is flattened, the connecting block 21 enters the connecting groove 33, the handlebar rod 2 drives the connecting rod 4 to rotate, the handlebar rod 2 moves to the position shown in fig. 2, the inner core 51 of the brake cable 5 is stretched, and the inner core 51 of the brake cable 5 is matched with a braking device of a bicycle body to complete hand brake. The handlebar rod 2 is attached to the supporting pad 61, and due to the effect of the internal magnetic attraction element, the handlebar rod 2 cannot be actively reset, and the bicycle can be continuously ridden after the handlebar rod 2 is pulled out and the state of the figure 3 is recovered, so that the braking effect is reliable and safe.

Claims

1. A handlebar structure convenient for braking is positioned on the front side of a body frame and is characterized by comprising a handlebar rod, a limiting rod fixed with the body frame and a brake wire, wherein the brake wire comprises an inner core and a shell, one side of the limiting rod is provided with a brake hole capable of accommodating the inner core of the brake wire and blocking the shell of the brake wire, a connecting rod is arranged between the handlebar rod and the limiting rod, two ends of the connecting rod are respectively rotatably connected with the handlebar rod and the limiting rod, a connecting groove capable of accommodating the connecting rod to rotate is arranged in the limiting rod, the inner core of the brake wire extends into the handlebar rod after passing through the brake hole, and a control component capable of fixing the inner core of the brake wire is arranged in the handlebar rod; one end of the handlebar rod, which faces the connecting rod, is provided with a flat connecting block, the thickness of the connecting block is smaller than the groove width of the connecting groove, and a hinge column is arranged in the connecting block; the upper side of the limiting rod is provided with a notch matched with the handlebar rod to rotate, and one side of the handlebar rod back to the notch is provided with a return spring connected with the lower side of the limiting rod.

2. The handlebar arrangement for facilitating braking as claimed in claim 1, wherein the coupling groove is directed to an outside of the body frame.

3. The handlebar structure convenient for braking as claimed in claim 1, wherein the body frame is provided at a side thereof facing the restraining groove with a support bar fixed to the body frame, the support bar being provided with a support pad capable of supporting one end of the handlebar stem.

4. The handlebar structure convenient for braking as claimed in claim 1, wherein both ends of the connecting rod are respectively hinged to the handlebar stem and the limiting rod, and the rotation axis of the connecting rod is perpendicular to the rotation axis of the handlebar stem.

5. The handlebar arrangement for facilitating braking as claimed in claim 1, wherein the handlebar stem is cylindrical.

6. The handlebar structure convenient for braking as claimed in claim 1, wherein the control assembly includes a brake switch rotatably provided on the wall of the handlebar stem, a control lever is hinged to a side of one end of the brake switch located inside the handlebar stem, a control hole for allowing an inner core of the brake cable to pass therethrough and slide is provided in the control lever, and a control protrusion fixed to the handlebar stem is passed through an end of the control lever facing inside the handlebar stem.

7. The handlebar arrangement for easy braking as claimed in claim 3, wherein the support pad and the handlebar stem are provided with a magnetic attraction member at one end thereof, respectively.

8. The handlebar structure convenient for braking as claimed in claim 1 or 5, wherein a sealing plug is arranged at one end of the handlebar rod away from the connecting rod, and a tension spring connected with the brake wire inner core is arranged in the sealing plug.