CN109941385B

CN109941385B - Brake device for preventing two-wheeled vehicle from falling down during emergency braking

Info

Publication number: CN109941385B
Application number: CN201711425938.8A
Authority: CN
Inventors: 刘子默
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2020-09-29
Anticipated expiration: 2037-12-21
Also published as: CN109941385A

Abstract

The invention relates to the technical field of brake devices, and discloses a brake device for preventing a two-wheeled vehicle from falling down during emergency braking, which comprises: a volute spring; the inner end part of the volute spring is fixedly connected with the end part of the shaft sleeve, and the outer end part of the volute spring is bent to form a clamping part and a brake cover; be the solid of revolution, be formed with the centre bore, centre bore and axle sleeve clearance fit, the lid of stopping still includes the post chamber, and the lid cover of stopping is back on the axle sleeve, and the scroll spring setting is provided with the screens structure on the internal circumference table wall of the lid of stopping at the post intracavity, and the screens structure includes: middle grain; the clamping part is clamped in the middle valley to realize positioning and front peak; the clamping part is arranged in front of the circumference of the middle valley and used for abutting against the clamping part and preventing the clamping part from separating from the middle valley and a rear peak; set up at well valley circumference rear, cooperate with the front peak together and form well valley, brake equipment still includes: braking the plate; the brake plate is arranged outside the circumference of the brake cover and is pressed against the outer surface of the circumference of the brake cover through driving, and the front wheel is braked. The addition of the volute spring effectively forms buffer, and the overturning danger is avoided.

Description

Brake device for preventing two-wheeled vehicle from falling down during emergency braking

Technical Field

The invention relates to the technical field of brake devices, in particular to a brake device for preventing a two-wheeled vehicle from falling down during emergency braking.

Background

The two-wheeled vehicle is a common vehicle in life, such as a bicycle, an electric vehicle, a motorcycle and the like, when the two-wheeled vehicle runs at an excessively high speed and suddenly finds danger and needs emergency braking, a rear wheel must be braked, and if the front wheel is braked, a rollover accident is very easy to happen.

In order to prevent the phenomenon that a riding person turns over after the riding person emergently brakes the front wheels when the riding person runs at a high speed, the patent provides a preferable embodiment.

Disclosure of Invention

The invention aims to provide a brake device for preventing a two-wheeled vehicle from falling down in an emergency brake, and aims to solve the problem that in the prior art, if the two-wheeled vehicle is braked before the emergency brake when the running speed is too high, a rollover accident is easily caused.

The invention is realized in this way, prevent the brake equipment that the two-wheeled vehicle brakes suddenly and emptys, the said two-wheeled vehicle includes the front wheel structure, the said front wheel structure includes tire, front fork, front axle and steel frame, the said steel frame includes steel rim and axle sleeve, the said tire is fitted on the said steel rim, the said axle sleeve utilizes the steel reinforcement that the annular array arranges to fix in the centre of the said steel rim, the said front axle pierces into the said axle sleeve to realize fixing, two ends of the said front fork are positioned at both ends of the said front axle respectively, the said brake equipment includes:

a volute spring; the inner end part of the volute spring is fixedly connected with the end part of the shaft sleeve, the outer end part of the volute spring is bent to form a clamping part,

a brake cover; be the solid of revolution, be formed with the centre bore, the centre bore with axle sleeve clearance fit, it still includes the post chamber to stop the lid, it is in to stop the lid cover back on the axle sleeve, the volute spring sets up in the post intracavity, it is provided with the screens structure on stopping the interior circumference table wall of lid, the screens structure includes:

middle grain; is concave, the clamping part is clamped in the middle valley to realize positioning,

a front peak; is arranged in front of the circumference of the middle valley and is used for propping against the clamping part and preventing the clamping part from separating from the middle valley,

post-peaking; is arranged behind the circumference of the middle valley and is matched with the front peak to form the middle valley,

the brake device further includes:

braking the plate; the brake plate is arranged outside the circumference of the brake cover and is driven to abut against the outer surface of the circumference of the brake cover to complete the braking of the front wheel.

Furthermore, when the shaft sleeve rotates along with the advancing direction of the front wheel, the spiral direction of the spiral spring is consistent with the rotating direction of the spiral spring.

Furthermore, the rear peak is provided with a rear end face which is arc-shaped and is tangent to the inner circumferential side face of the brake cover.

Furthermore, a bearing is arranged at the central hole, and the shaft sleeves are connected by utilizing the bearing.

Furthermore, the front fork comprises a clamping ring part which is positioned at the end part of the front fork and connected with the front shaft, a kidney-shaped hole is formed in the clamping ring part, a clamping nut and an adjusting nut are arranged at the end part of the front shaft, the clamping nut and the adjusting nut clamp the clamping ring part to position the clamping ring part after the front shaft passes through the kidney-shaped hole, the front shaft is arranged at the lower end part of the kidney-shaped hole, and the adjusting nut is arranged at one side close to the volute spring;

the adjusting nut is further connected with an adjusting plate, an impact part is formed on the adjusting plate, the outer side of the volute spring extends out of the column cavity, the impact part is arranged above the clamping part when the clamping part is clamped into the middle valley, and the clamping part is abutted to the lower part of the circumferential side face of the brake cover after being separated from the middle valley;

when the adjusting nut is rotated in a spiral direction of the spiral spring, the collar portion is unscrewed.

Furthermore, the left side and the right side of the front wheel are provided with the brake devices.

Compared with the prior art, the brake device provided by the invention has the advantages that the volute spring is fixedly connected on the shaft sleeve, and the brake cover is positioned by the volute spring, so that when the front wheel is braked, the brake plate presses against the brake cover to form friction, the brake cover does not directly conduct force to the shaft sleeve but transfers the force through the volute spring, when the volute spring transfers the force, a part of kinetic energy is firstly converted into elastic potential energy instead of being transferred instantly, then the elastic potential energy is transferred to the shaft sleeve to form buffering, according to impulse theorem, the stress time of the shaft sleeve is prolonged, and the received force is changed into gradually-increased force, so that more momentum can be offset compared with the traditional structure, and a riding person can not turn over easily when the front brake is performed.

Simultaneously, because the tip of volute spring has set up screens portion, and the volute spring does not carry out fixed connection with the lid of stopping, but the card is in the well valley, so, when strikeing and reaching a certain amount, thereby the volute spring can dash the proud and become free state, stops the lid this moment and just not be connected with the volute spring, and brake equipment wholly became invalid, and the board of stopping can't realize the brake function, then further effectively avoided the turnover danger.

Drawings

FIG. 1 is a schematic perspective view of a brake device and a wheel provided in an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a front axle, a hub, a brake cover, and a brake plate provided in an embodiment of the present invention;

FIG. 3 is a schematic perspective view of a front axle, a hub, a brake cover, a volute spring, and a brake plate provided by an embodiment of the present invention;

FIG. 4 is a schematic front view of a brake apparatus according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a brake device according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", etc. based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meaning of the terms may be understood by those skilled in the art according to specific circumstances.

The following describes the implementation of the present invention in detail with reference to specific embodiments.

Referring to fig. 1-5, preferred embodiments of the present invention are provided.

Prevent brake equipment that two wheeler emergency brake emptys, the two wheeler includes the front wheel structure, the front wheel structure includes tire 610, front fork 400, front axle 200 and steelframe, the steelframe includes steel ring 620 and axle sleeve 100, tire 610 overlaps on steel ring 620, axle sleeve 100 utilizes the reinforcing bar that annular array arranged to fix at the center of steel ring 620, front axle 200 penetrates axle sleeve 100 and realizes fixedly, two tip of front fork 400 are fixed a position respectively at the both ends of front axle 200, brake equipment includes volute spring 110, stop lid 300 and the board 500 of stopping. The inner end of the spiral spring 110 is fixedly connected to the end of the sleeve 100, and the outer end of the spiral spring 110 is bent to form a catching portion 111. The brake cover 300 is a revolving body, a central hole is formed, the central hole is in clearance fit with the shaft sleeve 100, the brake cover 300 further comprises a column cavity 310, the brake cover 300 is sleeved on the shaft sleeve 100, the volute spring 110 is arranged in the column cavity 310, and a clamping structure is arranged on the inner circumferential surface wall of the brake cover 300. The blocking structure comprises a front peak 321, a rear peak 323 and a middle valley 322, wherein the middle valley 322 is concave, the blocking part 111 is blocked in the middle valley 322 to realize positioning, the front peak 321 is arranged in front of the circumference of the middle valley 322, the front peak 321 is arranged in front of the middle valley 322, but the blocking part 300 is not arranged in front due to the shape of the circumference side surface of the braking cover 300, the front peak 321 is used for abutting against the blocking part 111 to prevent the blocking part 111 from separating from the middle valley 322, the rear peak 323 is arranged behind the circumference of the middle valley 322 and cooperates with the front peak 321 to form the middle valley 322. The brake plate 500 is disposed outside the circumference of the brake cover 300, and the brake plate 500 is driven to press the circumferential outer surface of the brake cover 300, thereby completing the braking of the front wheel.

The brake device provided by the embodiment is characterized in that the shaft sleeve 100 is fixedly connected with the volute spring 110, and the brake cover 300 is positioned by the volute spring 110, so that when a front wheel is braked, the brake plate 500 presses the brake cover 300 to form friction, the brake cover 300 does not directly conduct force to the shaft sleeve 100 but transfers the force through the volute spring 110, when the volute spring 110 transfers the force, a part of kinetic energy is firstly converted into elastic potential energy instead of instant transfer, then the elastic potential energy is transferred to the shaft sleeve 100 to form buffering, according to impulse theorem, the stress time of the shaft sleeve 100 is prolonged, and the received force is gradually increased, so that more momentum can be offset compared with the traditional structure, and the turning behavior is less likely to occur when a riding person brakes in emergency.

Meanwhile, the end of the spiral spring 110 is provided with the clamping part 111, and the spiral spring 110 is not fixedly connected with the brake cover 300 but clamped in the middle valley 322, so that when the impact reaches a certain amount, the spiral spring 110 can rush over the front peak 321 to become a free state, the brake cover 300 is not connected with the spiral spring 110 at the moment, the brake device is wholly failed, the brake plate 500 cannot realize a brake function, and the risk of overturning is further effectively avoided.

In the embodiment, when the shaft sleeve 100 rotates along with the forward direction of the front wheel, the spiral direction of the spiral spring 110 is the same as the rotating direction, so that after braking, the shape of the spiral spring 110 is changed in a reduced manner when storing elastic potential energy, which further facilitates the disengagement of the locking portion 111 of the spiral spring 110 from the valley 322.

In order to make the spiral spring 110 separate from the middle valley 322 and recover the brake device after the whole brake device fails, in this embodiment, the rear peak 323 is formed with a rear end face 3231, the rear end face 3231 is arc-shaped and tangent to the inner circumferential side of the brake cover 300, so that, when the locking portion 111 needs to be locked to the middle valley 322 again, the brake plate 500 can be abutted against the brake cover 300 to slowly rotate the front wheel, the rotation of the front wheel drives the shaft sleeve 100 to rotate, the rotation of the shaft sleeve 100 drives the spiral spring 110 to rotate, and further the locking portion 111 rotates, and the brake cover 300 is in a relatively static state due to being abutted against the brake plate 500, so that the locking portion 111 can pass through the rear peak 323 in the rotation process to reenter the middle valley 322 to complete the positioning, and the rear end face 3231 of the rear peak 323 is tangent to the inner circumferential side of the brake cover 300, which facilitates the locking portion 111 to reenter the middle valley 322 after passing through the rear peak 323.

In order to overcome the problem that the brake cover 300 is sometimes required to rotate on the shaft sleeve 100, and the brake cover 300 is pressed against the central hole by the brake plate 500 to contact with the shaft sleeve 100, so as to generate sliding friction and further cause abrasion, in the present embodiment, the bearing 330 is disposed at the central hole, and the shaft sleeve 100 is connected by the bearing 330.

Further, in this embodiment, the front fork 400 includes a snap ring portion 410 connected to the front axle 200 at an end portion thereof, the snap ring portion 410 is formed with a waist-shaped hole 411, the waist-shaped hole 411 has a specific shape that two short sides of a rectangle are replaced with a convex semicircular hole structure, the end portion of the front axle 200 is provided with the clamping nut 210 and the adjusting nut 220, after the front axle 200 passes through the waist-shaped hole 411, the clamping nut 210 and the adjusting nut 220 clamp the clamping ring part 410 to realize the positioning of the clamping ring part 410, the frame of the whole vehicle is connected with the wheels through the clamping ring part 410, the front shaft 200 is arranged at the lower end part of the waist-shaped hole 411, that is, the front axle 200 and the collar portion 410 are positioned completely by clamping of two nuts, compared with the traditional positioning mode that the front shaft 200 is upwards abutted against the upper waist-shaped hole 411 of the clamping ring part 410, the adjusting nut 220 is arranged at one side close to the volute spring 110;

the adjusting nut 220 is further connected with an adjusting plate 221, the adjusting plate 221 is formed with an impact portion 2211, the outer side of the spiral spring 110 extends out of the column cavity 310, the impact portion 2211 is arranged above the position where the detent portion 111 is clamped into the middle valley 322, the detent portion 111 is separated from the middle valley 322 and abuts against the lower portion of the circumferential side surface of the brake cover 300, that is, when the detent portion 111 is clamped in the middle valley 322, the rotation of the spiral spring 110 does not contact with the impact portion 2211, but when the spiral spring 110 is pressed out of the middle valley 322 and abuts against the circumferential side wall of the brake cover 300, the rotation of the spiral spring 110 causes the detent portion 111 to be pressed against the impact portion 2211, thereby driving the adjusting plate 221 to rotate, and finally causing the adjusting nut 220 to rotate, and when the adjusting nut 220 rotates in the spiral direction of the spiral spring 110, the snap ring portion 410 is loosened, such a structure is that, when a user makes emergency brake, the spiral spring 110 is pressed out of the middle valley 322 and abuts against the circumferential side wall of the brake cover 300, and the detent, hit impact 2211, and drive adjusting nut 220 and rotate, and then make the location of ring clamping part 410 loose, because front axle 200 sets up the lower tip in waist type hole 411, under the effect of gravity, front fork 400 can cave in downwards, support and press on front axle 200 until the upper end in waist type hole 411, this in-process, frame and the personnel of riding can wholly cave in a segment distance downwards, and the vehicle is now being the posture that the rear end leaned up, impact a segment distance under the court and make vehicle and the personnel of riding wholly have a backward tilting's impact trend, thereby better prevented that the vehicle from overturning forward.

In order to make the front fork 400 more easily collapse downward, in the present embodiment, the brake devices are provided on both the left and right sides of the front wheel.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. Prevent brake equipment that two wheeler emergency brake emptys, two wheeler includes the front wheel structure, the front wheel structure includes tire, front fork, front axle and steelframe, the steelframe includes steel ring and axle sleeve, the tire cover is in on the steel ring, the reinforcing bar that the axle sleeve utilized the annular array to arrange is fixed the center of steel ring, the front axle pierces the axle sleeve is realized fixedly, two tip of front fork are fixed a position respectively the both ends of front axle, its characterized in that, brake equipment includes:

post-peaking; set up in well valley circumference rear, with the cooperation of front peak forms together well valley, brake equipment still includes:

2. The brake apparatus for preventing two-wheeled vehicle from falling down in emergency braking as claimed in claim 1, wherein the spiral direction of said spiral spring is aligned with the rotation direction of said spiral spring when said hub rotates in accordance with the advancing direction of said front wheel.

3. The brake apparatus for preventing two-wheeled vehicle from falling over in an emergency brake as claimed in claim 2, wherein the rear peak is formed with a rear end surface which is arc-shaped and tangent to an inner circumferential side surface of the brake cover.

4. The brake apparatus for preventing two-wheeled vehicle from falling down in emergency braking as claimed in claim 3, wherein a bearing is provided at said central hole, and said sleeve is connected by said bearing.

5. The brake device for preventing the two-wheeled vehicle from falling suddenly in a braking mode as claimed in claim 4, wherein the front fork comprises a clamping ring portion which is located at the end portion of the front fork and connected with the front shaft, a kidney-shaped hole is formed in the clamping ring portion, a clamping nut and an adjusting nut are arranged at the end portion of the front shaft, the clamping nut and the adjusting nut clamp the clamping ring portion to position the clamping ring portion after the front shaft penetrates through the kidney-shaped hole, the front shaft is arranged at the lower end portion of the kidney-shaped hole, and the adjusting nut is arranged on the side close to the volute spring;

6. The brake apparatus for preventing two-wheeled vehicle from falling down in sudden braking as claimed in claim 1, wherein the brake apparatus is provided on both left and right sides of the front wheel.