CN211844388U - Braking system and vehicle adopting same - Google Patents
Braking system and vehicle adopting same Download PDFInfo
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- CN211844388U CN211844388U CN201922477231.2U CN201922477231U CN211844388U CN 211844388 U CN211844388 U CN 211844388U CN 201922477231 U CN201922477231 U CN 201922477231U CN 211844388 U CN211844388 U CN 211844388U
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- brake disc
- hole
- lock tongue
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Abstract
The utility model discloses a brake system and a vehicle adopting the same, wherein the brake system comprises a hub motor, a brake disc and a brake assembly; the brake disc is integrally formed on an end cover at one end of the hub motor; the brake component is fixed on the output shaft of the hub motor and is suitable for being matched with the brake disc to realize braking or speed reduction. The brake disc of the utility model is integrally formed on the end cover at one end of the in-wheel motor, so that the displacement between the motor shell and the brake disc caused by stress can not occur in the braking process, the looseness of the brake disc can be fundamentally avoided, and the safety is greatly improved; meanwhile, screw fixation is not needed, so that the labor for mounting screws and gluing is saved, and the material cost for purchasing screws and glue is saved. The end cover at one end of the hub motor is formed by integrally die-casting a high-strength light alloy material, so that the strength is high, the weight is light, and the requirement for light weight of a vehicle is met. The brake assembly is internally provided with a vehicle locking device, so that the anti-theft effect is good.
Description
Technical Field
The utility model relates to a braking system and adopt this braking system's vehicle.
Background
The brake system of the rear wheel of the vehicle is structurally characterized in that a brake disc (brake disc) is fixed on a motor shell through six connecting screws, and a motor is connected with the rear wheel into a whole through spokes (steel wires). When a user brakes, the brake block arranged in the brake disc can expand outwards to hold the brake disc, so that the purpose of braking or reducing the speed of the rear wheel is achieved.
The disadvantages of the braking system are that: the vehicle can frequently brake when driving at high speed, the brake disc always has a stress in the opposite direction with the motor (wheel), recoils repeatedly, tiny displacement will constantly appear between the brake disc and the motor casing, six connecting screws are gradually loosened, and the screws finally drop or even block the condition in the brake block. Safety accidents are caused during high-speed riding.
Aiming at the situation, the problem of falling is solved by adopting a method of gluing the screw, but the manual work and the material cost are wasted in the operation procedures of mounting the screw, gluing and the like, so that the solving means does not fundamentally prevent the screw from loosening and only can play a role in delaying the falling.
On the other hand, bicycles and vehicles, which are the main force of public transportation at present, have very wide use groups and good development situation, and the locks of the prior art are more annular mechanical locks (horseshoe-shaped locks), and the locks need to be manually operated by a person, so that the lock tongue cannot be automatically ejected, and the use is not convenient enough.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can fundamentally stop brake disc and appear not hard up braking system and adopt this braking system's vehicle, avoid the production of incident.
Realize the utility model discloses the technical scheme of purpose is: a braking system, comprising:
a hub motor;
the brake disc is integrally formed on an end cover at one end of the hub motor;
and the brake assembly is fixed on the output shaft of the hub motor and is suitable for being matched with the brake disc to realize braking or speed reduction.
Further, the grooves on the outer peripheral surface of the brake disc are uniformly distributed along the circumferential direction of the brake disc.
Furthermore, the end cover at one end of the hub motor is formed by integrally die-casting a high-strength light alloy material.
Furthermore, the brake block assembly comprises a shell, a brake block, a tension spring and a driving unit; the shell is fixedly connected with an output shaft of the hub motor, and the vehicle locking device is fixed in the shell; the number of the brake blocks is two; one ends of the two brake blocks are coaxially hinged in the shell and are positioned in the inner cavity of the brake disc; the two brake blocks are connected through a tension spring; the driving unit drives the other ends of the two brake blocks to be opened, so that the other ends of the two brake blocks are in friction with the brake disc, and braking or speed reduction of the vehicle is realized.
Further, the driving unit of the brake block assembly comprises a stay wire wall rod, a driving shaft and a supporting block; the driving shaft penetrates through the shell; the stay wire wall rod is fixed at the outer end of the driving shaft; the supporting block is arranged at the inner end of the driving shaft and is positioned between the other ends of the two brake blocks; the stay wire wall rod is connected with a brake handle of the vehicle through a brake rope.
Furthermore, the supporting block of the brake block component is waist-shaped.
Furthermore, the brake system also comprises a vehicle locking device fixed in the brake assembly; a plurality of grooves are formed in the peripheral surface of the brake disc at intervals along the circumferential direction; the position of a lock tongue of the locking device corresponds to the position of a groove on the peripheral surface of the brake disc; the groove on the outer peripheral surface of the brake disc is suitable for accommodating a lock tongue of the vehicle locking device.
Further, the locking device includes:
a lock case; one side of the lock shell is provided with a lock tongue hole;
the lock tongue is arranged in the lock shell in a sliding way and is opposite to the lock tongue hole; the size of the bolt, which is opposite to the bolt hole part, is suitable for penetrating through the bolt hole;
the elastic piece provides a force for the bolt to move towards the direction of the bolt hole;
and the driving assembly is suitable for providing force for the lock tongue to move in the direction opposite to the lock tongue hole.
Furthermore, the lock tongue of the vehicle locking device comprises a lock tongue part which is right opposite to the lock tongue hole and a sliding block part which is arranged in the lock shell in a sliding way; the latch portion is sized to pass through the latch aperture; the elastic piece applies force to the sliding block part to move towards the direction of the lock tongue hole; the driving component is matched with the sliding block part.
Furthermore, a waist-shaped hole and a long through hole which are parallel to the moving direction of the lock tongue are arranged on the sliding block part of the lock tongue of the vehicle locking device; a first guide pillar and a second guide pillar which are respectively connected with the waist-shaped hole and the long through hole in a sliding mode are arranged in the lock shell.
Further, the driving assembly of the vehicle locking device comprises a motor, a worm and a rack; one end of the worm is fixed on an output shaft of the motor, and the other end of the worm is rotatably arranged in the lock shell; the axis of the worm is parallel to the moving direction of the lock tongue; one side of the rack is provided with teeth meshed with the external threads of the worm, the other side of the rack is provided with a notch facing a sliding block part of the lock tongue, and the sliding block part is provided with a convex block extending into the notch; the width of the convex block along the moving direction of the lock tongue is smaller than the width of the notch along the moving direction of the lock tongue.
Furthermore, the other side of the rack of the vehicle locking device is provided with two bosses arranged along the moving direction of the lock tongue, and a gap for accommodating the boss is formed between the two bosses.
Furthermore, the elastic part of the vehicle locking device is a pressure spring; one end of the pressure spring is propped against one end, back to the lock tongue hole, of the sliding block part of the lock tongue, and the other end of the pressure spring is propped against the inner wall of the lock shell.
Furthermore, a convex column is arranged at one end of the sliding block part of the lock tongue of the vehicle locking device, which is back to the lock tongue hole; one end of the pressure spring is sleeved on the convex column, so that the spring is more stably installed.
Further, the vehicle locking device also comprises a travel switch; the travel switch limits the travel of the lock tongue when the lock tongue moves back to the lock tongue hole.
The utility model discloses still provide the vehicle, the rear wheel of vehicle adopts above-mentioned braking system.
By adopting the technical scheme, the utility model discloses following beneficial effect has: (1) the brake disc of the utility model is integrally formed on the end cover at one end of the in-wheel motor, so that the displacement between the motor shell and the brake disc caused by stress can not occur in the braking process, the looseness of the brake disc can be fundamentally avoided, and the safety is greatly improved; meanwhile, screw fixation is not needed, so that the labor for mounting screws and gluing is saved, and the material cost for purchasing screws and glue is saved.
(2) The utility model discloses an in-wheel motor one end cover forms through high strength light alloy material integration die-casting, and intensity is high, light in weight satisfies the lightweight demand of vehicle.
(3) The utility model discloses set up the locking device in brake subassembly, it is effectual to prevent burglary.
(4) The utility model discloses a motor realizes the automatic switch lock, has reduced manually operation's process, and the security is higher, and manufacturing cost is lower.
(5) The utility model discloses an opposite side of rack is equipped with towards the breach of the slider portion of spring bolt, is equipped with in the slider portion and stretches into the intraoral lug of this breach, and this kind of structure makes drive assembly can not directly drive the spring bolt and locks the car, and when the spring bolt corresponds with the groove position on the brake disc, auto-eject under the effect of elastic component again, realizes locking the car, avoids damaging the motor.
(6) The utility model discloses the elastic component of locking the car device is the pressure spring, and is with low costs, simple to operate.
(7) The utility model discloses a projection is located to the pot head of pressure spring, makes the installation of spring more stable.
(8) The utility model discloses a stroke when travel switch restriction spring bolt moves in the back of the body lock tongue hole is more accurate to the control of motor.
Drawings
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which
Fig. 1 is the structural schematic diagram of an end cover of the wheel hub motor of the present invention.
Fig. 2 is a perspective view of one side of the brake assembly of the present invention.
Fig. 3 is a perspective view of the other side of the brake assembly of the present invention.
Fig. 4 is an internal structure schematic diagram of the car locking device of the present invention.
The reference numbers in the drawings are:
a hub motor 1;
a brake disc 2 and a groove 2-1;
the brake device comprises a brake component 3, a shell 3-1, a brake block 3-2, a tension spring 3-3, a driving unit 3-4, a pull wire wall rod 3-4-1, a driving shaft 3-4-2 and a support block 3-4-3;
the locking device comprises a locking device 4, a lock shell 4-1, a first guide post 4-1-1, a second guide post 4-1-2, a lock tongue 4-2, a lock tongue portion 4-2-1, a sliding block portion 4-2-2, a kidney-shaped hole 4-2-1, a long through hole 4-2-2, a convex column 4-2-3, an elastic piece 4-3, a driving component 4-4, a motor 4-4-1, a worm 4-4-2, a rack 4-4-3, a boss 4-4-3-1 and a travel switch 4-5.
Detailed Description
(example 1)
The vehicle of this embodiment installs braking system on its rear wheel, and this braking system includes in-wheel motor 1, brake disc 2, brake assembly 3 and locking car device 4.
Referring to fig. 1, a brake disc 2 is integrally formed on an end cover of an in-wheel motor 1, and the end cover of the in-wheel motor 1 is integrally die-cast by a high-strength light alloy material, such as an aluminum alloy. A plurality of grooves 2-1 are uniformly arranged on the peripheral surface of the brake disc 2 along the circumferential direction.
Referring to fig. 2 and 3, the brake assembly 3 is fixed on the output shaft of the in-wheel motor 1 and is adapted to cooperate with the brake disc 2 to achieve braking or deceleration. The brake block component 3 comprises a shell 3-1, a brake block 3-2, a tension spring 3-3 and a driving unit 3-4; the shell 3-1 is fixedly connected with an output shaft of the hub motor 1, and the vehicle locking device 4 is fixed in the shell 3-1. The brake block 3-2 is provided with two brake blocks, one end of each of the two brake blocks 3-2 is coaxially hinged in the shell 3-1 and is positioned in the inner cavity of the brake disc 2, and the two brake blocks 3-2 are connected through the tension spring 3-3. The driving unit 3-4 drives the other ends of the two brake blocks 3-2 to be opened, so that the other ends of the two brake blocks rub against the brake disc 2 to realize the braking or speed reduction of the vehicle.
The driving unit 3-4 of the brake block assembly 3 includes a stay wire wall rod 3-4-1, a driving shaft 3-4-2, and a stay block 3-4-3. The drive shaft 3-4-2 penetrates the housing 3-1. The guy wire wall rod 3-4-1 is fixed at the outer end of the drive shaft 3-4-2. The support block 3-4-3 is arranged at the inner end of the driving shaft 3-4-2 and is positioned between the other ends of the two brake blocks 3-2. The supporting block 3-4-3 is waist-shaped, and can also be in other non-circular shapes. The pull wire wall rod 3-4-1 is connected with a brake handle of the vehicle through a brake rope. When braking, the brake handle is held tightly, the brake rope pulls the stay wire wall rod 3-4-1 to rotate, so that the driving shaft 3-4-2 drives the support block 3-4-3 to rotate, and the support block 3-4-3 rotates to open the other ends of the two brake blocks 3-2 due to the waist shape of the support block 3-4-3, so that the other ends of the two brake blocks 3-2 are rubbed with the brake disc 2 to realize braking or speed reduction of the vehicle.
Referring to fig. 4, the locking device 4 is fixed in the brake assembly 3 and includes a lock housing 4-1, a latch 4-2, an elastic member 4-3 and a driving assembly 4-4. The position of the bolt 4-2 corresponds to the position of the groove 2-1 on the outer peripheral surface of the brake disc 2, and the groove 2-1 on the outer peripheral surface of the brake disc 2 is suitable for accommodating the bolt 4-2.
One side of the lock shell 4-1 is provided with a lock tongue hole; the bolt 4-2 is arranged in the lock shell 4-1 in a sliding way and comprises a bolt part 4-2-1 and a sliding block part 4-2-2; the lock tongue portion 4-2-1 is arranged at one end of the sliding block portion 4-2-2 and is opposite to the lock tongue hole. The latch portion 4-2-1 is sized to fit through the latch aperture. The sliding block part 4-2-2 is arranged in the lock shell 4-1 in a sliding way. The elastic member 4-3 is engaged with the other end of the slider portion 4-2-2 and applies a force to the slider portion 4-2-2 to move in the direction of the latch hole. The driving component 4-4 is matched with the sliding block part 4-2-2 to provide a force for the bolt 4-2 to move back to the direction of the bolt hole.
A sliding block part 4-2-2 of the bolt 4-2 is provided with a waist-shaped hole 4-2-2-1 and a long through hole 4-2-2 which are parallel to the moving direction of the bolt 4-2; the lock shell 4-1 is internally provided with a first guide post 4-1-1 and a second guide post 4-1-2 which are respectively connected with the waist-shaped hole 4-2-2-1 and the long through hole 4-2-2 in a sliding way.
The elastic part 4-3 is a pressure spring. One end of the sliding block part 4-2-2 of the bolt 4-2, which is back to the bolt hole, is provided with a convex column 4-2-2-3. One end of the pressure spring is sleeved on the convex column 4-2-2-3, and the other end of the pressure spring is propped against the inner wall of the lock shell 4-1.
The driving component 4-4 comprises a motor 4-4-1, a worm 4-4-2 and a rack 4-4-3; one end of the worm 4-4-2 is fixed on an output shaft of the motor 4-4-1, and the other end of the worm 4-4-2 is rotatably arranged in the lock shell 4-1; the axis of the worm 4-4-2 is parallel to the moving direction of the bolt 4-2; one side of the rack 4-4-3 is provided with teeth meshed with the external threads of the worm 4-4-2, the other side of the rack 4-4-3 is provided with a notch facing the sliding block part 4-2-2 of the bolt 4-2, the sliding block part 4-2-2 is provided with a convex block 4-2-3 extending into the notch, and the width of the convex block 4-2-3 along the moving direction of the bolt 4-2 is smaller than the width of the notch along the moving direction of the bolt 4-2. Specifically, the other side of the rack 4-4-3 is provided with two bosses 4-4-3-1 arranged along the moving direction of the bolt 4-2, and a gap for accommodating the boss 4-2-3 is formed between the two bosses 4-4-3-1.
The vehicle locking device 4 can also be provided with a travel switch 4-5, and the travel switch 4-5 is used for limiting the travel of the bolt 4-2 moving back to the bolt hole. When the bolt 4-2 moves back to the bolt hole to be in contact with the travel switch 4-5, the travel switch 4-5 sends a signal, the motor 4-4-1 stops rotating, and the bolt 4-2 does not move any more.
When the lock is unlocked, the motor 4-4-1 rotates forwards to drive the worm 4-4-2 to rotate forwards, so that the rack 4-4-3 is driven to move towards the direction far away from the lock tongue hole, a boss 4-4-3-1, close to the lock tongue hole, on the rack 4-4-3 pushes the sliding block part 4-2-2 of the lock tongue 4-2 to overcome the elasticity of the pressure spring and move towards the direction far away from the lock tongue hole, when the sliding block part 4-2-2 touches the travel switch 4-5, the motor 4-4-1 stops rotating, the lock tongue part 4-2-1 of the lock tongue 4-2 retracts to the right position, and the lock is unlocked.
When the vehicle is locked, the motor 4-4-1 rotates reversely to drive the worm 4-4-2 to rotate reversely, further drive the rack 4-4-3 to move towards the direction of the bolt hole, the bolt 4-2 is propped against the outer peripheral surface of the brake disc 2 by virtue of the elasticity of the spring, when the brake disc 2 rotates to the position where one groove 2-1 corresponds to the bolt part 4-2-1, the bolt part 4-2-1 is inserted into the groove 2-1 under the elasticity of the pressure spring, so that the rear wheel of the vehicle is locked, the rotation of the rear wheel is limited, and the vehicle is locked.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. Braking system, its characterized in that includes:
a hub motor (1);
the brake disc (2) is integrally formed on an end cover at one end of the hub motor (1);
and the brake component (3) is fixed on an output shaft of the hub motor (1) and is suitable for being matched with the brake disc (2) to realize braking or speed reduction.
2. The braking system of claim 1, wherein: the grooves (2-1) on the outer peripheral surface of the brake disc (2) are uniformly distributed along the circumferential direction of the brake disc (2).
3. The braking system of claim 1, wherein: the end cover at one end of the hub motor (1) is formed by integrally die-casting a high-strength light alloy material.
4. The braking system of claim 1, wherein: the brake assembly is characterized by also comprising a vehicle locking device (4) fixed in the brake assembly (3); a plurality of grooves (2-1) are arranged on the peripheral surface of the brake disc (2) at intervals along the circumferential direction; the position of a lock tongue (4-2) of the locking device (4) corresponds to the position of a groove (2-1) on the outer peripheral surface of the brake disc (2); the groove (2-1) on the outer peripheral surface of the brake disc (2) is suitable for accommodating a bolt (4-2) of the locking device (4).
5. The braking system of claim 4, wherein: the locking device (4) comprises:
a lock case (4-1); one side of the lock shell (4-1) is provided with a lock tongue hole;
the bolt (4-2) is arranged in the lock shell (4-1) in a sliding way and is opposite to the bolt hole; the size of the bolt (4-2) opposite to the bolt hole part is suitable for penetrating through the bolt hole;
the elastic piece (4-3) provides force for the bolt (4-2) to move towards the direction of the bolt hole;
the driving assembly (4-4) is suitable for providing force for the bolt (4-2) to move in a direction opposite to the bolt hole.
6. The braking system of claim 5, wherein: the lock tongue (4-2) of the vehicle locking device (4) comprises a lock tongue part (4-2-1) which is right opposite to the lock tongue hole and a sliding block part (4-2-2) which is arranged in the lock shell (4-1) in a sliding way; the bolt portion (4-2-1) is sized to pass through the bolt hole; the elastic piece (4-3) applies force moving towards the direction of the lock tongue hole to the sliding block part (4-2-2); the driving component (4-4) is matched with the sliding block part (4-2-2).
7. The braking system of claim 6, wherein: a sliding block part (4-2-2) of a lock tongue (4-2) of the vehicle locking device (4) is provided with a kidney-shaped hole (4-2-2-1) and a long through hole (4-2-2-2) which are parallel to the moving direction of the lock tongue (4-2); the lock shell (4-1) is internally provided with a first guide post (4-1-1) and a second guide post (4-1-2) which are respectively connected with the waist-shaped hole (4-2-2-1) and the long through hole (4-2-2-2) in a sliding way.
8. The braking system of claim 6, wherein: the driving assembly (4-4) of the vehicle locking device (4) comprises a motor (4-4-1), a worm (4-4-2) and a rack (4-4-3); one end of the worm (4-4-2) is fixed on an output shaft of the motor (4-4-1), and the other end of the worm (4-4-2) is rotatably arranged in the lock shell (4-1); the axis of the worm (4-4-2) is parallel to the moving direction of the bolt (4-2); one side of the rack (4-4-3) is provided with teeth meshed with the external thread of the worm (4-4-2), the other side of the rack (4-4-3) is provided with a notch facing the sliding block part (4-2-2) of the bolt (4-2), and the sliding block part (4-2-2) is provided with a convex block (4-2-3) extending into the notch; the width of the lug (4-2-3) along the moving direction of the bolt (4-2) is smaller than the width of the notch along the moving direction of the bolt (4-2).
9. The braking system of claim 5, wherein: the vehicle locking device (4) further comprises a travel switch (4-5); the travel switch (4-5) limits the travel of the bolt (4-2) moving back to the bolt hole.
10. A vehicle, characterized in that: the brake system of claim 9 is employed for a rear wheel of the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477231.2U CN211844388U (en) | 2019-12-31 | 2019-12-31 | Braking system and vehicle adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922477231.2U CN211844388U (en) | 2019-12-31 | 2019-12-31 | Braking system and vehicle adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211844388U true CN211844388U (en) | 2020-11-03 |
Family
ID=73209139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922477231.2U Active CN211844388U (en) | 2019-12-31 | 2019-12-31 | Braking system and vehicle adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211844388U (en) |
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2019
- 2019-12-31 CN CN201922477231.2U patent/CN211844388U/en active Active
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