阅读说明：本技术 一种感应式电动车辅助刹车器 (Induction type electric vehicle auxiliary brake ) 是由 崔春洋 于 2019-10-22 设计创作，主要内容包括：本发明公开了一种感应式电动车辅助刹车器,包括电动车车身,所述电动车车身内设有工作腔,所述工作腔内设有动力机构,所述动力机构包括固定设置在所述工作腔后端壁的三个电磁铁,所述工作腔下端壁内设有三个开口朝上的底部腔,所述底部腔内滑动设有磁铁板,所述磁铁板下端面固定设有压力杆,所述压力杆下端位于外界空间内,本装置可自动感应电动车所处状态,在停车和骑行时不会误启动,较为安全,在使用推电动车下坡时,可根据坡的陡度自动伸出对应数量的摩擦块,增大电动车与坡面摩擦力,使得使用者推车下坡更轻松,同时作为一个辅助的刹车装置,可减少电动车自带的车轮处的刹车片的使用,增加电动车使用寿命。(The invention discloses an induction type auxiliary brake for an electric vehicle, which comprises an electric vehicle body, wherein a working cavity is arranged in the electric vehicle body, a power mechanism is arranged in the working cavity, the power mechanism comprises three electromagnets fixedly arranged on the rear end wall of the working cavity, three bottom cavities with upward openings are arranged in the lower end wall of the working cavity, a magnet plate is arranged in the bottom cavities in a sliding manner, pressure rods are fixedly arranged on the lower end surfaces of the magnet plates, and the lower ends of the pressure rods are positioned in an external space. The service life of the electric vehicle is prolonged.)

1. The utility model provides an induction type electric motor car auxiliary brake ware, includes the electric motor car automobile body, its characterized in that:

the electric vehicle is characterized in that a working cavity is arranged in the electric vehicle body, a power mechanism is arranged in the working cavity, the power mechanism comprises three electromagnets fixedly arranged on the rear end wall of the working cavity, three bottom cavities with upward openings are arranged in the lower end wall of the working cavity, a magnet plate is arranged in the bottom cavities in a sliding manner, a pressure rod is fixedly arranged on the lower end surface of the magnet plate, the lower ends of the pressure rods are positioned in an external space, friction blocks are fixedly arranged at the lower ends of the pressure rods, and when the electromagnets are electrified, magnetic force is generated to push the magnet plate to move downwards, the friction blocks move downwards along with the magnet plate, and when the current intensity passing through the electromagnets is large enough, the friction blocks can be driven to descend to generate friction with the ground so as to prevent the electric vehicle from;

the inclination detection mechanism is arranged on the upper side of the power mechanism and comprises a storage cavity arranged in the upper end wall of the working cavity, oil is filled in the storage cavity, three buoyancy cavities with openings facing the storage cavity are arranged on the left side in the lower end wall of the storage cavity, floating balls are arranged in the buoyancy cavities, the buoyancy cavities are filled with the oil, the floating balls are subjected to buoyancy, three resistance coils are fixedly arranged on the rear end wall of the working cavity and are electrically conducted with the electromagnets through electric wires, when the electric vehicle is in a downhill slope, the oil in the storage cavity moves to enable the floating balls to be subjected to buoyancy changes, so that the resistance of the parts, connected with the electric wires, of the resistance coils is reduced, the current passing through the corresponding electromagnets is increased, and the magnetic force of the corresponding electromagnets is increased;

and a power-off mechanism is arranged on the left side of the power mechanism and is used for controlling whether the electromagnet is electrified or not.

2. The induction-type electric vehicle auxiliary brake of claim 1, wherein: the power-off mechanism comprises a power supply fixedly connected with the rear end wall of the working cavity, a top metal sheet and a bottom metal sheet are conductively connected in the power supply, the bottom metal sheet is positioned at the lower side of the top metal sheet, the front end surface of the bottom metal sheet rotates and is conductively connected with a rotating shaft, a conducting sheet is fixed and is conductively arranged on the rotating shaft, the conducting sheet is in contact with the top metal sheet for conduction, a middle cavity is arranged in the left end wall of the working cavity, the front end wall of the middle cavity is rotatably provided with an electric bicycle foot rest shaft with the rear end positioned in an external space, a reel is fixedly arranged on the electric bicycle foot rest shaft, a rope is connected between the reel and the conducting sheet, a containing cavity is arranged in the upper end wall of the working cavity, a hard cushion is hinged and connected in the containing cavity, a soft cushion is fixedly arranged on the upper end surface of the hard cushion, be equipped with the lower end wall intercommunication in the cushion lower terminal surface connect the arc chamber in chamber, accomodate the chamber with be equipped with the motion chamber between the working chamber, motion chamber left and right sides end wall symmetry is equipped with the direction chamber, the fixed guide spring that is equipped with of end wall under the direction chamber, guide spring upper end fixed be equipped with direction chamber sliding connection's guide block, two fixed being equipped with one between the guide block runs through the vertical pole in motion chamber, vertical pole upper end is located connect the intracavity and fix and be equipped with the pressure piece wheel.

3. The induction-type electric vehicle auxiliary brake of claim 1, wherein: the power mechanism further comprises pressure springs which are fixed with the lower end wall of the bottom cavity in a bilateral symmetry mode, the upper ends of the pressure springs are fixedly connected with the magnet plate, and the power source, the electromagnet and the resistance coil form a circuit through the electric wire.

4. The induction-type electric vehicle auxiliary brake of claim 1, wherein: inclination detection mechanism still includes that bilateral symmetry fixes the terminal of resistance coil up end, two be equipped with the metal pole between the torsional spring, it is equipped with the gleitbretter to slide on the metal pole, gleitbretter and right side be equipped with coupling spring between the terminal left end face, the fixed three locating lever that is equipped with of working chamber rear end wall, it is equipped with the rotary rod to rotate on the locating lever, the locating lever with be equipped with the torsional spring between the rotary rod, the fixed buoyancy board that is equipped with of floater up end, be equipped with in the buoyancy board and run through the intercommunication chamber of terminal surface about the buoyancy board, the fixed upper end that is equipped with of buoyancy board is located store the extension bar of intracavity.

5. The inductive electric vehicle auxiliary brake of claim 3, wherein: the pressure spring is in a compressed state.

6. The induction-type electric vehicle auxiliary brake of claim 2, wherein: when the conducting strip is contacted with the top metal sheet, the interior of the power supply is in a power-on state.

Technical Field

The invention relates to the field of electric vehicles, in particular to an induction type auxiliary brake for an electric vehicle.

Background

The electric vehicle is a commonly used vehicle, electric energy is stored in a battery in a chemical energy form to be used by the electric vehicle, and the electric vehicle is a relatively energy-saving vehicle.

Disclosure of Invention

The invention aims to solve the technical problem of providing an induction type auxiliary brake for an electric vehicle, which solves the problems of large abrasion of a downhill brake pad of the electric vehicle and the like.

The invention is realized by the following technical scheme.

The invention discloses an induction type electric vehicle auxiliary brake, which comprises an electric vehicle body, wherein a working cavity is arranged in the electric vehicle body, a power mechanism is arranged in the working cavity, the power mechanism comprises three electromagnets fixedly arranged on the rear end wall of the working cavity, three bottom cavities with upward openings are arranged in the lower end wall of the working cavity, a magnet plate is arranged in the bottom cavities in a sliding manner, a pressure rod is fixedly arranged on the lower end surface of the magnet plate, the lower end of the pressure rod is positioned in an external space, a friction block is fixedly arranged at the lower end of the pressure rod, magnetic force can be generated after the electromagnets are electrified, repulsive force can be generated on the magnet plate to push the magnet plate to move downwards, the friction block moves downwards along with the magnet plate, and when the current intensity passing through the electromagnets is large enough, the friction block can be driven to descend to generate friction with the ground to prevent;

the inclination detection mechanism is arranged on the upper side of the power mechanism and comprises a storage cavity arranged in the upper end wall of the working cavity, oil is filled in the storage cavity, three buoyancy cavities with openings facing the storage cavity are arranged on the left side in the lower end wall of the storage cavity, floating balls are arranged in the buoyancy cavities, the buoyancy cavities are filled with the oil, the floating balls are subjected to buoyancy, three resistance coils are fixedly arranged on the rear end wall of the working cavity and are electrically conducted with the electromagnets through electric wires, when the electric vehicle is in a downhill slope, the oil in the storage cavity moves to enable the floating balls to be subjected to buoyancy changes, so that the resistance of the parts, connected with the electric wires, of the resistance coils is reduced, the current passing through the corresponding electromagnets is increased, and the magnetic force of the corresponding electromagnets is increased;

and a power-off mechanism is arranged on the left side of the power mechanism and is used for controlling whether the electromagnet is electrified or not.

Preferably, the power-off mechanism comprises a power supply fixedly connected with the rear end wall of the working cavity, a top metal sheet and a bottom metal sheet are conductively connected in the power supply, the bottom metal sheet is positioned at the lower side of the top metal sheet, the front end surface of the bottom metal sheet rotates and is conductively connected with a rotating shaft, a conducting sheet is fixed and is conductively arranged on the rotating shaft, the conducting sheet is in contact with the top metal sheet and is conductive, a middle cavity is arranged in the left end wall of the working cavity, an electric bicycle foot rest shaft with the rear end positioned in the external space is rotatably arranged on the front end wall of the middle cavity, a reel is fixedly arranged on the electric bicycle foot rest shaft, a rope is connected between the reel and the conducting sheet, a containing cavity is arranged in the upper end wall of the working cavity, a hard pad is hinged and connected in the containing cavity, a soft pad is fixedly arranged on the upper end surface of the hard pad, be equipped with the lower end wall intercommunication in the cushion lower terminal surface connect the arc chamber in chamber, accomodate the chamber with be equipped with the motion chamber between the working chamber, motion chamber left and right sides end wall symmetry is equipped with the direction chamber, the fixed guide spring that is equipped with of end wall under the direction chamber, guide spring upper end fixed be equipped with direction chamber sliding connection's guide block, two fixed being equipped with one between the guide block runs through the vertical pole in motion chamber, vertical pole upper end is located connect the intracavity and fix and be equipped with the pressure piece.

Preferably, the power mechanism further comprises a pressure spring fixed to the lower end wall of the bottom cavity in a bilateral symmetry manner, the upper end of the pressure spring is fixedly connected with the magnet plate, and the power source, the electromagnet and the resistance coil form a circuit through the electric wire.

Preferably, inclination detection mechanism still includes that bilateral symmetry fixes the terminal of resistance coil up end, two be equipped with the metal pole between the torsional spring, it is equipped with the gleitbretter to slide on the metal pole, gleitbretter and right side be equipped with connecting spring between the terminal left end face, the fixed three locating lever that is equipped with of working chamber rear end wall, it is equipped with the rotary rod to rotate on the locating lever, the locating lever with be equipped with the torsional spring between the rotary rod, the fixed buoyancy board that is equipped with of floater up end, be equipped with in the buoyancy board and run through the intercommunication chamber of terminal surface about the buoyancy board, the fixed upper end that is equipped with of buoyancy board is located store the extension bar of intracavity.

Preferably, the pressure spring is in a compressed state.

Preferably, when the conducting strip is in contact with the top metal sheet, the inside of the power supply is in a power-on state.

The invention has the beneficial effects that: this device can the auto-induction electric motor car state of locating, can not the mistake start when parking and riding, and is comparatively safe, when using the electric motor car downhill path of pushing away, can stretch out the clutch blocks that correspond quantity automatically according to the steepness on slope, increase electric motor car and domatic frictional force for the user pushes away the downhill path more easily, as an auxiliary brake equipment simultaneously, the use of the brake block of the wheel department of reducible electric motor car self-service increases electric motor car life.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic overall full-section front view structure diagram of an induction type electric vehicle auxiliary brake according to the present invention;

FIG. 2 is an enlarged view of the point A in FIG. 1;

FIG. 3 is an enlarged view of the point B in FIG. 1;

fig. 4 is an enlarged schematic view of C in fig. 1.

Detailed Description

The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The schematic mechanical mechanism of the induction type electric vehicle auxiliary brake described with reference to fig. 1-4 includes an electric vehicle body 10, a working chamber 11 is disposed in the electric vehicle body 10, a power mechanism 71 is disposed in the working chamber 11, the power mechanism 71 includes three electromagnets 20 fixedly disposed on the rear end wall of the working chamber 11, three bottom chambers 26 having upward openings are disposed in the lower end wall of the working chamber 11, a magnet plate 27 is slidably disposed in the bottom chambers 26, a pressure rod 24 is fixedly disposed on the lower end surface of the magnet plate 27, the lower end of the pressure rod 24 is disposed in an external space, a friction block 25 is fixedly disposed on the lower end of the pressure rod 24, when the electromagnets 20 are energized, a magnetic force is generated to generate a repulsive force on the magnet plate 27 to push the magnet plate 27 downward, the friction block 25 moves downward along with the magnet plate 27, and when the current intensity passing through the electromagnets 20 is large enough, the friction block 25 can be driven to descend to generate friction with the ground, so that the electric vehicle is prevented from moving forwards;

the inclination detection mechanism 70 is arranged on the upper side of the power mechanism 71, the inclination detection mechanism 70 comprises a storage cavity 19 arranged in the upper end wall of the working cavity 11, oil is filled in the storage cavity 19, three buoyancy cavities 41 with openings facing the storage cavity 19 are arranged on the left side in the lower end wall of the storage cavity 19, floating balls 40 are arranged in the buoyancy cavities 41, the buoyancy cavities 41 are also filled with the oil, the floating balls 40 are subjected to buoyancy, three resistance coils 35 are fixedly arranged on the rear end wall of the working cavity 11, the resistance coils 35 and the electromagnets 20 are electrically conducted through electric wires 21, when the electric vehicle is in a downhill slope, the oil in the storage cavity 19 moves, so that the floating balls 40 are subjected to buoyancy change, the resistance of the connecting part of the resistance coils 35 and the electric wires 21 is reduced, and the current passing through the corresponding electromagnets 20 is increased, so that the magnetic force of the corresponding electromagnet 20 is increased;

the left side of the power mechanism 71 is provided with a power-off mechanism 72, and the power-off mechanism 72 is used for controlling whether the electromagnet 20 is electrified or not.

Beneficially, the power cut-off mechanism 72 includes a power source 22 fixedly connected to the rear end wall of the working chamber 11, a top metal sheet 51 and a bottom metal sheet 53 are electrically connected to the power source 22, the bottom metal sheet 53 is located at the lower side of the top metal sheet 51, the front end surface of the bottom metal sheet 53 rotates and is electrically connected to a rotating shaft 54, a conducting sheet 49 is fixed and electrically conducted to the rotating shaft 54, the conducting sheet 49 is electrically contacted with the top metal sheet 51, a middle chamber 29 is arranged in the left end wall of the working chamber 11, an electric vehicle foot rest shaft 31 with the rear end located in the external space is rotatably arranged on the front end wall of the middle chamber 29, a reel 30 is fixedly arranged on the electric vehicle foot rest shaft 31, a rope 28 is connected between the reel 30 and the conducting sheet 49, a storage chamber 13 is arranged in the upper end wall of the working chamber 11, and a hard pad 14 is hinged to, hard 14 up end is fixed to be equipped with cushion 15, be equipped with in the hard 14 of filling up and run through the connection chamber 18 of hard 14 up-and-down terminal surface, be equipped with lower end wall intercommunication in the 15 lower terminal surface of cushion the arc chamber 17 of connection chamber 18, accomodate chamber 13 with be equipped with motion chamber 55 between the working chamber 11, motion chamber 55 left and right sides end wall symmetry is equipped with direction chamber 32, the fixed guide spring 33 that is equipped with of end wall under the direction chamber 32, fixed be equipped with in guide spring 33 upper end with direction chamber 32 sliding connection's guide block 34, two fixed being equipped with one runs through between guide block 34 the vertical pole 12 of motion chamber 55, vertical pole 12 upper end is located connect the intracavity 18 and fixed pressure piece 16 that is equipped with.

Advantageously, the power mechanism 71 further comprises a compression spring 23 fixed to the lower end wall of the bottom cavity 26 in a left-right symmetrical manner, the upper end of the compression spring 23 is fixedly connected to the magnet plate 27, and the power source 22, the electromagnet 20 and the resistance coil 35 form a circuit through the electric wire 21.

Beneficially, the inclination detecting mechanism 70 further includes wiring terminals 47 symmetrically fixed to the upper end surface of the resistance coil 35, two metal rods 36 are arranged between the torsion springs 37, a sliding piece 46 is arranged on each metal rod 36 in a sliding manner, a connecting spring 48 is arranged between each sliding piece 46 and the right side and between the left end surfaces of the wiring terminals 47, three positioning rods 38 are fixedly arranged on the rear end wall of the working cavity 11, a rotating rod 39 is arranged on each positioning rod 38 in a rotating manner, a torsion spring 37 is arranged between each positioning rod 38 and the corresponding rotating rod 39, a floating plate 44 is fixedly arranged on the upper end surface of the floating ball 40, a communicating cavity 42 penetrating through the upper end surface and the lower end surface of the floating plate 44 is arranged in the floating plate 44, and an extension rod 43 with an upper end positioned in the storage cavity 19 is fixedly.

Advantageously, said pressure spring 23 is in a compressed state.

Advantageously, when the conducting strip 49 is in contact with the top metal strip 51, the power supply 22 is internally energized.

Sequence of mechanical actions of the whole device:

(1) when a person drives the electric vehicle, the cushion 15 is pressed to push the pressure block 16 to descend, the vertical rod 12 descends along with the pressure block 16, the guide spring 33 is compressed, the vertical rod 12 pushes the conducting strip 49 to rotate to be separated from the top metal sheet 51, the telescopic spring 52 is stretched, the power supply inside the power supply 22 is turned off, the circuit where the electromagnet 20 is located is powered off, and the device does not work.

(2) When the electric vehicle is in a parking state, the electric vehicle foot rest shaft 31 rotates anticlockwise for a certain angle to drive the reel 30 to rotate, the reel 30 winds the rope 28 to drive the conducting strip 49 to rotate, the conducting strip 49 is also driven to be separated from the top metal sheet 51, the expansion spring 52 is stretched, and the device does not work.

(3) When the electric vehicle is pushed to move downhill, the electric vehicle is in an inclined state, oil in the corresponding buoyancy cavity 41 flows into the storage cavity 19, buoyancy applied to the corresponding floating ball 40 is reduced, the corresponding extension rod 45 is driven to descend, the corresponding rotating rod 39 is pushed to rotate, the rotating rod 39 rotates to push the corresponding sliding sheet 46 to move rightwards, and the connecting spring 48 is compressed to reduce effective resistance of the corresponding resistance coil 35 connected with the corresponding electromagnet 20.

(4) Through the current increase that corresponds electro-magnet 20 for the magnetism reinforcing that corresponds electro-magnet 20, thereby repel and correspond magnet board 27, drive and correspond clutch blocks 25 decline and ground contact, thereby block the electric motor car down, slow down the down speed of electric motor car, along with the grow of slope, also stretch out more with the clutch blocks 25 of ground contact, thereby obtain bigger frictional resistance, make the downhill path push away the electric motor car more light.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.