CN209921533U - Novel large-stroke brake handle - Google Patents
Novel large-stroke brake handle Download PDFInfo
- Publication number
- CN209921533U CN209921533U CN201920420674.5U CN201920420674U CN209921533U CN 209921533 U CN209921533 U CN 209921533U CN 201920420674 U CN201920420674 U CN 201920420674U CN 209921533 U CN209921533 U CN 209921533U
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- link arm
- brake
- hole
- brake lever
- rotating shaft
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Abstract
The utility model discloses a novel large-stroke brake handle, which comprises a brake handle seat, a link arm and a handle, wherein the middle part of the brake handle seat is provided with a first rotating shaft screw and a second rotating shaft screw which are fixed on the brake handle seat through nuts, the first rotating shaft screw passes through a bottom hole at the bottom of the link arm and is movably connected with the link arm, the middle part of the link arm is provided with a through hole, the upper part of the link arm is provided with a brake wire hole, the handle is provided with a fixing hole, the fixing hole is connected with one end of a hinge through a first rivet, the other end of the hinge passes through the through hole on the link arm through a second rivet and is movably connected with the link arm, the bottom of the handle is movably connected with the brake handle seat through a second rotating shaft screw, the utility model adopts the technical proposal to provide a novel large-stroke brake handle, which makes up the defects of the prior art, reasonable in design facilitates the use, and labour saving and stroke are big, make things convenient for children to use.
Description
Technical Field
The utility model belongs to the technical field of brake handle technique and specifically relates to a novel large stroke brake handle.
Background
The brake handle is an important part for reducing the running speed of the bicycle so as to respond to the change of road conditions or the distance between the brake handle and an adjacent bicycle when the bicycle is ridden, and the brake handle mainly utilizes the principle of friction force to generate the effect of speed reduction. When the rider presses the brake handle, the brake cable is driven in sequence to move the brake clamping arms, so that the brake pads of the brake clamping arms rub the steel rings to reduce the speed of the bicycle. However, the problem with prior art brake levers is that it is often difficult for a child with a relatively small hand to grip the existing stroller brake lever. The hand holding force of the brake is basically close to the holding force of the brake of the adult car, the holding force of the child is relatively small, the action capacity is limited, a large brake torque can be obtained by using a small force when the child cannot accurately hold the brake, the brake effect of timely braking cannot be achieved in emergency, certain potential safety hazards exist, and the stroke of a brake cable is not enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a novel large stroke brake handle is provided.
For solving the above-mentioned prior art problem, the utility model discloses a following scheme: the utility model provides a novel large-stroke brake handle, includes brake lever seat, pitman arm and handle, brake lever seat middle part is equipped with first pivot screw and second pivot screw, and first pivot screw and second pivot screw are fixed in on the brake lever seat through the nut, first pivot screw passes the bottom hole and the pitman arm swing joint of pitman arm bottom, the middle part of pitman arm is equipped with the through-hole, the upper portion of pitman arm is equipped with the line hole of stopping, be equipped with the fixed orifices on hand, the fixed orifices is connected with the one end of hinge through first rivet, the other end of hinge passes through-hole and pitman arm swing joint on the pitman arm through the second rivet, handle bottom is through second pivot screw and brake lever seat swing joint.
Preferably, the brake lever seat is provided with a brake lever fixing hole, and one side of the brake lever fixing hole is provided with a fixing screw.
Has the advantages that:
the utility model adopts the above technical scheme to provide a novel big stroke brake lever, remedied the not enough of prior art, reasonable in design, laborsaving and the stroke is big, makes things convenient for children to use.
Drawings
Fig. 1 is a schematic view of the exploded structure of the present invention.
Fig. 2 is a schematic view of the combined structure of the present invention.
Fig. 3 is a schematic view of a partial structure of the present invention.
Detailed Description
As shown in fig. 1, 2 and 3, a novel large-stroke brake lever comprises a brake lever seat 1, a link arm 4 and a handle 7, wherein a first rotating shaft screw 2-1 and a second rotating shaft screw 2-2 are arranged in the middle of the brake lever seat 1, the first rotating shaft screw 2-1 and the second rotating shaft screw 2-2 are fixed on the brake lever seat 1 through a nut 3, the first rotating shaft screw 2-1 penetrates through a bottom hole in the bottom of the link arm 4 to be movably connected with the link arm 4, a through hole is arranged in the middle of the link arm 4, a brake line hole 12 is arranged on the upper portion of the link arm 4, a fixing hole 9 is arranged on the handle 7, the fixing hole 9 is connected with one end of a hinge 5 through a first rivet 6-1, the other end of the hinge 5 penetrates through the through hole in the link arm 4 through a second rivet 6-2 to be movably connected with the link arm 4, the bottom of the handle 7 is movably connected with the brake lever seat 1 through, the brake lever seat 1 is provided with a brake lever fixing hole 10, and one side of the brake lever fixing hole 10 is provided with a fixing screw 11.
As shown in figure 1, a brake lever 7 is connected with a link arm 4 through a first rivet 6-1, a second rivet 6-2 and hinges 5 at two sides to form an interlocking structure, when the rivets are riveted, a fixing hole 9 is connected with one end of the hinge 5 through the first rivet 6-1, the other end of the hinge 5 is movably connected with the link arm 4 through a through hole on the link arm 4 through the second rivet 6-2, the structure can ensure that the link arm moves smoothly without resistance, the link arm 4 is movably connected with a brake lever seat 1 through a first rotating shaft screw 2-1 and a nut 3, the handle 7 is movably connected with the brake lever seat 1 through the second rotating shaft screw 2-2 and the nut 3, a brake wire hole 12 is arranged at the upper part of the link arm 4, a brake wire head passes through the brake lever seat 1 and is clamped into the brake wire hole 12 on the link arm 4, when the brake lever arm, pulling the handle 7, the handle 7 drives the link arm 4 to rotate around the first rotating shaft screw 2-1 through the hinge 5, the link arm 4 drives the stay wire in the brake wire hole 12 to pull back, and the brake process action of the brake lever is completed, as shown in fig. 3, because the lever ratio L2/L1 is greater than 1, the movement stroke of the handle 7 in the brake wire hole 12 on the link arm 4 is large under the condition of a small working range, in addition, the brake lever seat 1 is provided with a brake lever fixing hole 10, one side of the brake lever fixing hole 10 is provided with a fixing screw 11, and the whole brake lever can be fixed on the brake lever through the fixing screw 11.
Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (2)
1. The utility model provides a novel big stroke brake lever, includes brake lever seat (1), pitman arm (4) and handle (7), its characterized in that: the brake lever seat is characterized in that a first rotating shaft screw (2-1) and a second rotating shaft screw (2-2) are arranged in the middle of the brake lever seat (1), the first rotating shaft screw (2-1) and the second rotating shaft screw (2-2) are fixed on the brake lever seat (1) through a nut (3), the first rotating shaft screw (2-1) penetrates through a bottom hole in the bottom of a link arm (4) and is movably connected with the link arm (4), a through hole is formed in the middle of the link arm (4), a brake line hole (12) is formed in the upper portion of the link arm (4), a fixing hole (9) is formed in the handle (7), the fixing hole (9) is connected with one end of a hinge (5) through a first rivet (6-1), the other end of the hinge (5) penetrates through the through hole in the link arm (4) through a second rivet (6-2) and is movably connected with the link arm (4, the bottom of the handle (7) is movably connected with the brake crank seat (1) through a second rotating shaft screw (2-2).
2. A novel large-stroke brake lever as claimed in claim 1, wherein the brake lever seat (1) is provided with a brake lever fixing hole (10), and one side of the brake lever fixing hole (10) is provided with a fixing screw (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420674.5U CN209921533U (en) | 2019-03-29 | 2019-03-29 | Novel large-stroke brake handle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920420674.5U CN209921533U (en) | 2019-03-29 | 2019-03-29 | Novel large-stroke brake handle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209921533U true CN209921533U (en) | 2020-01-10 |
Family
ID=69072117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920420674.5U Active CN209921533U (en) | 2019-03-29 | 2019-03-29 | Novel large-stroke brake handle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209921533U (en) |
-
2019
- 2019-03-29 CN CN201920420674.5U patent/CN209921533U/en active Active
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