CN216725728U

CN216725728U - Novel inclined plane double-effect brake mechanism for double-wheel brake

Info

Publication number: CN216725728U
Application number: CN202220203559.4U
Authority: CN
Inventors: 朱红熠; 朱光
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-06-14
Anticipated expiration: 2032-01-25

Abstract

The invention discloses an inclined plane double-effect novel brake mechanism for double-wheel brakes, which mainly comprises a brake driving unit, a front brake push block, a rear brake push block and a wedge block, wherein the novel brake mechanism is arranged in a mechanism carrier between the front wheel and the rear wheel of the double-wheel brakes; the novel brake mechanism can be used for braking roller skates with front and rear wheel structures.

Description

Novel inclined plane double-effect brake mechanism for double-wheel brake

Technical Field

The invention mainly relates to the field of shoes, in particular to a novel inclined plane double-effect brake mechanism for double-wheel brake.

Background

The roller skate is a light and labor-saving sliding tool, can be used for sports and leisure, and can also be used for a single person to ride instead of walk, but when meeting stairs, escalators or uneven road sections, the roller skate is difficult and unsafe to walk.

Disclosure of Invention

In order to break through the limitation of the roller skates and improve the safety of the roller skates, the inventor invents a novel inclined plane double-effect brake mechanism for double-wheel brakes through deep research and experiments, and the novel inclined plane double-effect brake mechanism can be used for the roller skates and can also be used for similar application occasions with front and rear wheel structures.

The invention specifically adopts the following scheme:

a novel dual-effect inclined plane brake mechanism for two-wheel brakes mainly comprises a brake driving unit, a front brake push block, a rear brake push block and a wedge block, wherein the novel brake mechanism is arranged in a mechanism carrier between the front wheel and the rear wheel of the two wheels, wheel shafts of the front wheel and the rear wheel are fixed on the mechanism carrier, the brake driving unit is also fixed on the mechanism carrier, the lower end of the brake driving unit is connected with the wedge block, the front brake push block and the rear brake push block are in contact with the wedge block through inclined planes, the inclined planes are straight inclined planes or bent inclined planes, the mechanism carrier is provided with a transverse chute matched with the profile cross section size of the front brake push block and the rear brake push block, the front brake push block and the rear brake push block can transversely slide in the transverse chute, and the mechanism carrier is also provided with a longitudinal chute matched with the profile cross section width size of the wedge block, the wedge block can slide longitudinally in the longitudinal sliding groove.

The front wheel and the rear wheel are driving wheels or unpowered idle wheels with hub motors inside.

In general, the hub motor is a common hub motor without a brake structure, and mainly comprises a motor wheel body and a motor stator shaft. The outer circumferential surface of the motor wheel body is sleeved with a tire skin to increase the driving adhesive force and the braking friction force.

The hub motor can also be an ordinary hub motor with a brake structure, namely the hub motor comprises a motor wheel body and a motor stator shaft, and also comprises a brake electromagnetic coil, a brake disc and a brake elastic element; in the running process of the hub motor, the brake electromagnetic coil is electrified simultaneously to attract the brake disc and compress the brake elastic element simultaneously, so that the brake disc is not contacted with the inner wall of the motor wheel body, and the brake effect is not generated; when the hub motor is braked, the brake electromagnetic coil is de-energized, the brake elastic element rebounds, and the brake disc is released and contacts with the inner wall of the motor wheel body under the action of the compression force of the brake elastic element to generate a braking effect.

The hub motor can also adopt a single-winding wiring mode, and combines the functional design of a matched main control board and a remote controller to jointly realize the reverse charging function when the roller skate decelerates, brakes and slides, namely the hub motor is switched into a generator working mode when decelerating, braking and sliding to charge a power supply battery, so that the energy is saved, the consumption is reduced, and the endurance mileage is increased.

When the novel inclined plane double-effect brake mechanism for double-wheel braking is applied to roller skates with two or more wheels, the mechanism carrier is the sole body of the roller skate.

Furthermore, the brake driving unit is a low-speed large-torque motor or a structure that the motor is connected with a speed reducer in series.

The front edge of the front brake push block is contacted with the front wheel, the rear edge of the rear brake push block is contacted with the rear wheel, and the wedge block is contacted with the ground, wherein at least one of the three parts can be provided with an adjustable brake block which is fixed with the brake push block or the wedge block through a connecting bolt, and meanwhile, a jackscrew is arranged between the adjustable brake block and the brake push block or the wedge block and used for adjusting the initial clearance between the adjustable brake block and the front wheel, the rear wheel or the ground.

The rear end of the sole body can be provided with a brake lug, the height of the brake lug from the ground is adjusted and set to be 1.5-15 mm, when a wearer leans backwards and is about to fall down in the sliding process, the brake lug firstly touches the ground to generate brake acting force with the ground, and by means of the brake acting force, the body of the wearer leans forwards and offsets the tendency of leaning backwards, so that the balance can be automatically restored.

The mechanism carrier can also be provided with a mounting hole for mounting the reset elastic element, and at least one reset elastic element is clamped between the brake push block and the mechanism carrier to help the brake push block reset; the reset elastic elements are usually compression springs, and the number of the reset elastic elements is usually two, namely, one compression spring is arranged between the front brake push block and the mechanism carrier and one compression spring is arranged between the rear brake push block and the mechanism carrier.

The power output shaft of the brake driving unit forwards drives the wedge block to move downwards, the front brake push block and the rear brake push block which are contacted with the wedge block through the inclined surface are respectively extruded forwards and backwards until the front brake push block and the rear brake push block are respectively contacted with the front wheel and the rear wheel to generate a braking effect, the wedge block which moves downwards is finally contacted with the ground to further help the roller skate to brake, the double-effect braking effect is achieved, the roller skate can be prevented from slipping, and the reliability and the safety of the roller skate brake are improved.

The power output shaft of the brake driving unit reversely transmits, the driving wedge block moves upwards to reset, the front brake push block and the rear brake push block reset under the action of the reset elastic element respectively, the front brake push block and the rear brake push block are separated from contact with the front wheel and the rear wheel, the brake is released, the wedge block moving upwards is also separated from contact with the ground, the front wheel and the rear wheel restore to free rotation, and the roller skate can smoothly slide.

The power output shaft of the brake driving unit is provided with external screw threads which are matched with the internal screw threads of the wedge blocks to form screw rod transmission, and the exposed part of the power output shaft of the corresponding brake driving unit is processed with the external screw threads or is an optical axis which needs to be sleeved with a screw rod shaft.

The outer screw thread arranged on the power output shaft of the brake driving unit can also penetrate into the brake driving unit, the brake driving unit at the moment is a screw motor, the power output shaft is a rotor shaft, a screw nut is arranged in a stator body of the corresponding screw motor, an inner screw hole of the screw nut is matched with the outer screw thread of the power output shaft, the power output shaft rotates and longitudinally moves along the axis of the power output shaft, at the moment, a hole of a wedge block sleeved with the power output shaft is an unthreaded hole, namely, the inner screw hole is not arranged, a stopping structure for preventing the wedge block from longitudinally moving is additionally arranged on the corresponding power output shaft, for example, an elastic check ring for a shaft is arranged, and corresponding check ring grooves are formed in the front and the back of the wedge block sleeved with the power output shaft.

Drawings

FIG. 1 is an overall outline view of a roller skate incorporating the novel brake mechanism of the present invention and having a low-speed, high-torque motor as the brake drive unit.

Fig. 2 is a longitudinal sectional view of fig. 1.

Fig. 3 is an exploded view of fig. 1.

FIG. 4 is an overall outline view of a roller skate comprising the novel brake mechanism of the present invention and a motor-driven unit connected in series with a speed reducer.

Fig. 5 is a longitudinal sectional view of fig. 4.

Fig. 6 is an exploded view of fig. 4.

Fig. 7 is a horizontal sectional view of fig. 4.

In the figure: 1. the novel inclined plane double-effect brake mechanism is used for double-wheel braking; 101. a brake driving unit; 102. a front brake push block; 103. a rear brake push block; 104. a wedge block; 105. a restoring elastic element; 2. a mechanism carrier; 3. a front wheel; 301. a motor wheel body; 302. a motor stator shaft; 4. a rear wheel; 401. a motor wheel body; 402. a motor stator shaft; 403. a brake solenoid coil; 404. a brake disc; 405. and a brake elastic element.

Detailed Description

The following further describes embodiments of the present invention with reference to the accompanying drawings:

as shown in FIG. 1, the overall shape of a roller skate including the novel brake mechanism of the present invention and the brake driving unit 101 is a low-speed large-torque motor.

The roller skate is divided into a left shoe and a right shoe, the left shoe and the right shoe are identical in structure, and only one of the left shoe and the right shoe is shown in figure 1.

Each shoe mainly comprises a novel inclined plane double-effect brake mechanism 1 for double-wheel braking, a mechanism carrier 2, a front wheel 3 and a rear wheel 4.

As shown in fig. 2, fig. 2 is a longitudinal cross-sectional structural representation of fig. 1.

The novel inclined plane double-effect brake mechanism 1 for double-wheel brake in fig. 2 mainly comprises a brake driving unit 101, a front brake push block 102, a rear brake push block 103 and a wedge block 104.

The drive unit 101 in fig. 2 is a low-speed large-torque motor.

As shown in fig. 3, fig. 3 is an illustration of the exploded deployment structure of fig. 1.

As shown in fig. 4, the overall shape of the roller skate including the novel brake mechanism of the present invention and the brake driving unit 101 is shown by connecting a motor in series with a speed reducer.

The roller skate is also divided into a left shoe and a right shoe, the left shoe and the right shoe are identical in structure, and only one of the left shoe and the right shoe is shown in figure 3.

Each shoe also mainly comprises a novel inclined plane double-effect brake mechanism 1 for double-wheel braking, a mechanism carrier 2, a front wheel 3 and a rear wheel 4.

As shown in fig. 5, fig. 5 is a longitudinal cross-sectional structural representation of fig. 4.

The novel inclined plane double-effect brake mechanism 1 for double-wheel brake in fig. 5 mainly comprises a brake driving unit 101, a front brake push block 102, a rear brake push block 103, a wedge block 104 and a reset elastic element 105.

The driving unit 101 in fig. 5 is a structure in which a motor is connected in series with a speed reducer to reduce the torque.

As shown in fig. 6, fig. 6 is an illustration of the exploded deployment structure of fig. 4.

FIG. 7 is a horizontal cross-sectional structural display of FIG. 4, as shown in FIG. 7

The specific embodiment of the invention is as follows:

the first embodiment is as follows: as shown in fig. 1, 2 and 3, the novel brake mechanism of the present invention is incorporated into a roller skate in which the brake driving unit 101 is a low-speed high-torque motor.

The roller skate is divided into a left shoe and a right shoe, and each shoe mainly comprises a novel inclined plane double-effect brake mechanism 1 for double-wheel braking, a mechanism carrier 2, a front wheel 3 and a rear wheel 4.

The novel inclined plane double-effect brake mechanism 1 for double-wheel braking mainly comprises a brake driving unit 101, a front brake push block 102, a rear brake push block 103 and a wedge block 104.

Novel brake mechanism arrange in this is internal at the sole between the front wheel 3 of double round and rear wheel 4, the shaft of front wheel 3, rear wheel 4 all is fixed in the sole body, and brake drive unit 101 also is fixed in the sole body, and brake drive unit 101 lower extreme hookup voussoir 104, and preceding brake ejector pad 102, back brake ejector pad 103 all contact with voussoir 104 with the inclined plane, the inclined plane is straight inclined plane or crooked inclined plane, and the sole body is seted up with preceding brake ejector pad 102, back brake ejector pad 103 profile cross section size assorted horizontal spout, and preceding brake ejector pad 102, back brake ejector pad 103 can be in horizontal spout horizontal slip, and the sole body also seted up with voussoir 104 profile cross section width size assorted vertical spout, voussoir 104 can be in vertical spout vertical slip.

The front wheel 3 and the rear wheel 4 are driving wheels or unpowered idle wheels with hub motors inside.

The brake driving unit 101 is a low-speed large-torque motor.

The power output shaft of the brake driving unit 101 forwards drives the wedge block 104 to move downwards, the front brake push block 102 and the rear brake push block 103 which are contacted with the wedge block 104 through inclined surfaces are respectively extruded forwards and backwards until the front brake push block 102 and the rear brake push block 103 are respectively contacted with the front wheel 3 and the rear wheel 4 to generate a braking effect, and the wedge block 104 which moves downwards finally contacts with the ground to further help the roller skate to brake, so that the double-effect braking effect is achieved, the roller skate can be prevented from slipping, and the reliability and the safety of the braking of the roller skate are improved.

The power output shaft of the brake driving unit 101 is provided with external screw threads which are matched with the internal screw threads of the wedge block 104 to form screw rod transmission, and the exposed part of the power output shaft of the corresponding brake driving unit 101 is processed with the external screw threads.

Example two: as shown in fig. 4, 5, 6 and 7, the novel brake mechanism of the present invention is included in a roller skate in which the brake driving unit 101 is a motor connected with a speed reducer in series.

The roller skate is also divided into a left shoe and a right shoe, and each shoe mainly comprises a novel inclined plane double-effect brake mechanism 1 for double-wheel braking, a mechanism carrier 2, a front wheel 3 and a rear wheel 4.

The novel inclined plane double-effect brake mechanism 1 for double-wheel braking mainly comprises a brake driving unit 101, a front brake push block 102, a rear brake push block 103, a wedge block 104 and a reset elastic element 105.

The brake driving unit 101 is a structure in which a motor is connected in series with a speed reducer to reduce the torque.

The mechanism carrier 2, namely the sole body, is provided with a mounting hole for mounting the elastic resetting element 105, the elastic resetting element 105 is clamped between the brake push block and the sole body, the elastic resetting element 105 is arranged between the front brake push block 102 and the sole body and between the rear brake push block 103 and the sole body, and the elastic resetting element 105 of the embodiment is a compression spring.

The power output shaft of the brake driving unit 101 forwards drives the wedge block 104 to move downwards, the front brake push block 102 and the rear brake push block 103 which are contacted with the wedge block 104 through inclined surfaces are respectively extruded forwards and backwards until the front brake push block 102 and the rear brake push block 103 are respectively contacted with the front wheel 3 and the rear wheel 4 to generate a braking effect, and the wedge block 104 which moves downwards finally contacts with the ground to further help the roller skate to brake, so that the double-effect braking effect is achieved, the roller skate can be prevented from slipping, and the reliability and the safety of the roller skate brake are improved.

The power output shaft of the brake driving unit 101 reversely transmits, the driving wedge 104 moves upwards to reset, the front brake push block 102 and the rear brake push block 103 reset under the action of the compression spring respectively, and are separated from contact with the front wheel 3 and the rear wheel 4, the brake is released, the wedge 104 moving upwards is also separated from contact with the ground, the front wheel 3 and the rear wheel 4 restore to free rotation, and the roller skate can smoothly slide.

The power output shaft of the brake driving unit 101 is also provided with an external thread which is matched with the internal thread of the wedge block 104 to form screw rod transmission, and the exposed part of the power output shaft of the corresponding brake driving unit 101 is processed with the external thread.

In general, the in-wheel motor does not have a brake structure, and as shown in fig. 7, the driving wheel in-wheel motor of the front wheel 3 of the present embodiment is a common in-wheel motor without a brake structure, and mainly includes a motor wheel body 301 and a motor stator shaft 302. A tire skin is sleeved on the outer circumferential surface of the motor wheel body 301 to increase the driving adhesion and the braking friction.

The in-wheel motor may also be an unusual in-wheel motor with a self-contained brake structure, as shown in fig. 7, the driving wheel in-wheel motor of the rear wheel 4 in this embodiment is an unusual in-wheel motor with a self-contained brake structure, and includes a brake electromagnetic coil 403, a brake disc 404, and a brake elastic element 405 in addition to a motor wheel body 401 and a motor stator shaft 402; in the running process of the hub motor, the brake electromagnetic coil 403 is electrified simultaneously, attracts the brake disc 404 and compresses the brake elastic element 405 simultaneously, so that the brake disc 404 is not contacted with the inner wall of the motor wheel body 401, and the braking effect is not generated; when the hub motor is braked, the brake electromagnetic coil 403 is powered off, the brake elastic element 405 rebounds, the brake disc 404 is released and contacts with the inner wall of the motor wheel body 401 under the pressing force of the brake elastic element 405, and a braking effect is generated. The braking resilient member 405 is also typically a compression spring.

The working mechanism of this embodiment is basically the same as that of the first embodiment.

The above-mentioned embodiments are only for convenience of illustration and are not intended to limit the invention in any way, and those skilled in the art will be able to make equivalents of the invention by using local changes or modifications without departing from the technical scope of the invention.

Claims

1. The utility model provides a novel brake mechanism of inclined plane economic benefits and social benefits for double round brake which characterized in that: the novel inclined plane double-effect brake mechanism (1) for double-wheel braking comprises a brake driving unit (101), a front brake push block (102), a rear brake push block (103) and a wedge block (104), a novel brake mechanism of inclined plane economic benefits and social benefits (1) for double round brake arrange in mechanism carrier (2) between front wheel (3) and rear wheel (4) of double round, the shaft of front wheel (3), rear wheel (4) all is fixed in mechanism carrier (2), brake drive unit (101) also are fixed in mechanism carrier (2), brake drive unit lower extreme hookup voussoir (104), preceding brake ejector pad (102), back brake ejector pad (103) all contact with voussoir (104) with the inclined plane, mechanism carrier (2) seted up with preceding brake ejector pad (102), back brake ejector pad (103) profile cross-section size assorted horizontal spout, mechanism carrier (2) also seted up with voussoir (104) profile cross-section width size assorted vertical spout.

2. The dual effect novel brake mechanism with inclined plane for dual wheel brake as claimed in claim 1, wherein: the brake driving unit (101) is a low-speed large-torque motor or a structure that the motor is connected with a speed reducer in series.

3. The dual effect novel brake mechanism with inclined plane for dual wheel brake as claimed in claim 1, wherein: the mechanism carrier (2) is provided with a mounting hole for mounting the elastic resetting element (105), and at least one elastic resetting element (105) is clamped between the brake push block and the mechanism carrier (2).