CN210715654U - New forms of energy car hydraulic disc brake - Google Patents
New forms of energy car hydraulic disc brake Download PDFInfo
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- CN210715654U CN210715654U CN201920666342.5U CN201920666342U CN210715654U CN 210715654 U CN210715654 U CN 210715654U CN 201920666342 U CN201920666342 U CN 201920666342U CN 210715654 U CN210715654 U CN 210715654U
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- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000009545 invasion Effects 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 238000005452 bending Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model discloses a new energy vehicle hydraulic disc brake, the support, the hydraulic pressure intracavity that the end cover cooperation constitutes sets up the piston, set up compression spring between piston and the lid, the piston front end is through keeping off the ring, the briquetting is connected and is moved the friction disc, it sets up fixed friction disc to move the relative position of friction disc, the oil feed passageway on the support is connected to the oil feed clearance between fender ring and the piston, transmit oil feed hydraulic pressure force in proper order and promote and move the friction disc, cooperate with fixed friction disc and hold the vehicle brake disc tightly, thereby make the reducing gear box output shaft stall, hydraulic pressure force converts frictional force into frictional force and reach the braking effect, apply force along the brake disc, the braking shaft does not receive the moment of flexure, the radial dimension is little, the braking performance is stable and reliable, the structure is simple and compact; the ventilation and heat dissipation efficiency is high, the braking stroke adjustment is convenient, the high-temperature resistance performance is good during high load, the muddy water invasion is not afraid, and the vehicle can be driven in winter and under bad road conditions.
Description
Technical Field
The invention relates to a hydraulic disc brake of a new energy vehicle in the technical field of new energy vehicles.
Background
In order to solve the problem that energy consumption and environmental pollution are increasingly serious, various national policies greatly support the development of guiding new energy automobiles, the manufacturing technology of the new energy automobiles is rapidly improved, the cruising ability is greatly improved, the cost is lower and lower, the new energy automobiles are gradually developed from miniaturized new energy automobiles to large new energy automobiles, a hydraulic braking mechanism is generally adopted by a new energy automobile braking mechanism, the automobile braking is realized by directly braking a main shaft, the structure is complex, the stability is poor, the size is large and heavy, and the investment cost of production, manufacturing and maintenance is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing a hydraulic disc brake of a new energy vehicle, which is suitable for the new energy vehicle, and has the advantages of good braking performance, low cost, compact structure, small volume and light weight.
The invention discloses a hydraulic disc brake of a new energy vehicle, which is characterized in that: the brake device comprises a supporting seat, wherein the supporting seat is installed on a frame through an installation seat, a fixed friction plate is arranged on the supporting seat, a movable friction plate is arranged at the position opposite to the fixed friction plate, the movable friction plate is installed on a pressing block, the pressing block is installed in a matched mode with a hole in the supporting seat and can move back and forth along the hole, and the movable friction plate and the fixed friction plate are pushed to be matched to hold a vehicle brake disc tightly; a cylinder body is arranged at the position of the support behind the pressing block, the rear side of the cylinder body is connected with an end cover in a closed manner, the cylinder body is matched with the inner space of the end cover to form a hydraulic cavity, a piston is arranged in the hydraulic cavity, a compression spring capable of compressing the piston is arranged between the piston and the end cover, a pin shaft is arranged in the center of the piston, the front end of the pin shaft is propped against the pressing block, and the pin shaft sequentially drives and props; a baffle ring is arranged between the piston and the front end of the support cylinder body, the center of the baffle ring is hermetically sleeved on the neck of the piston, an oil inlet gap is arranged between the rear end surface of the baffle ring and the piston, and the oil inlet gap is communicated with an oil inlet channel on the support;
the pin shaft is arranged in a central hole in the piston and can move back and forth along the central hole, and the rear end of the pin shaft is connected to the rear end of the piston through an adjusting bolt and extends out of the piston and the end cover;
the compression spring is formed by arranging a plurality of disc springs side by side;
an annular groove is formed in the front end face of the baffle ring, the rear end of the pressing block is of a cylindrical structure, and the pressing block is located through the cylindrical structure and the annular groove in a matched mode;
the outer surface of the pressing block is provided with a first sealing ring, and the pressing block is in sealing fit connection with the inner surface of the support through the first sealing ring;
a second sealing ring is arranged between the outer surface of the piston and the baffle ring and the inner surface of the cylinder body of the support;
oil seals are respectively arranged at the front side and the rear side of the oil inlet channel between the matching contact surfaces of the support and the mounting seat;
and the part of the adjusting bolt at the rear end of the pin shaft, which extends out of the piston and the end cover, is connected with a locking nut.
The hydraulic disc brake of the new energy vehicle is characterized in that a piston is arranged in a hydraulic cavity formed by matching a support and an end cover, a compression spring is arranged between the piston and the cover, the front end of the piston is connected with a movable friction plate through a retaining ring and a pressing block, a fixed friction plate is arranged at the opposite position of the movable friction plate, an oil inlet channel on the support is connected to an oil inlet gap between the retaining ring and the piston, oil inlet hydraulic pressure is sequentially transmitted to push the movable friction plate and is matched with the fixed friction plate to hold a vehicle brake disc tightly, so that an output shaft of a reduction gearbox stops rotating, the hydraulic pressure is converted into friction force to achieve a braking effect, force is applied to the brake shaft along the brake disc, the brake shaft is free from bending moment, the radial size is small, the braking performance is stable and; the ventilation and heat dissipation efficiency is high, the braking stroke adjustment is convenient, the high-temperature resistance performance is good during high load, the muddy water invasion is not afraid, and the vehicle can be driven in winter and under bad road conditions.
Drawings
FIG. 1 is a schematic plane structure diagram of a hydraulic disc brake of a new energy vehicle according to an embodiment of the invention;
in the figure:
the device comprises an end cover 1, a disc spring 2, a piston 3, an adjusting pin shaft 4, an oil seal 5, a screw 6, a mounting seat 7, a support 8, a friction plate 9, a friction plate 10, a first sealing ring 11, a second sealing ring 12, a pressing block 13, a retaining ring 14, a bolt 15, an adjusting bolt 16, a hexagon nut 17, an oil inlet channel 18 and an oil inlet gap 19.
Detailed Description
As shown in the figure, a support seat 8 is fixedly installed at a corresponding position of a frame through an installation seat 7, the lower section of the support seat 8 is installed in a matched mode through the installation seat, the front portion of the upper section of the support seat is provided with a U-shaped open slot which can accommodate a vehicle brake disc and is provided with an opening at the upper portion, a brake cavity is formed, and a fixed friction plate 9 and a movable friction plate 10 are respectively arranged on the front side wall and the rear side wall of the brake cavity;
the rear part of the supporting seat 8 is provided with a cylinder body with a transverse opening, the rear end of the cylinder body is provided with an end cover 1 in a matched and sealed connection mode, the cylinder body and the inner space of the end cover 1 are matched to form a hydraulic cavity, through holes are formed in the rear side wall of the end cover 1 and the front side wall of the cylinder body, an adjusting bolt 16 penetrates through the through hole in the rear side wall of the end cover, the front end of the adjusting bolt 16 is connected with a pin shaft 4, the front end of the pin shaft 4 is fixedly connected with a pressing block 13, the pressing block 13 is installed in the through hole in the front side wall of the cylinder body of the supporting seat 8 in a matched mode and can move back and forth along the through hole, the; or the vehicle brake disc is moved backwards to loosen the vehicle brake disc, so that parking is conveniently released; a piston 3 is sleeved outside the pin shaft 4, a compression spring is arranged between the rear end face of the piston 3 and the inner end face of the end cover 1, the compression spring compresses the piston, a pressing block is pushed through the pin shaft, the pressing block is sequentially driven to tightly push the dynamic friction plates, and the dynamic friction plates 10 are pushed forwards to tightly hold a vehicle brake disc;
a baffle ring 14 is arranged between the front end face of the piston 3 and the inner end face of the support cylinder body, the baffle ring 14 is sleeved on the neck of the piston 3 in a sealing manner through a central hole, an oil inlet gap 19 is arranged between the rear end face of the baffle ring 14 and the piston, and the oil inlet gap 19 is communicated with an oil inlet channel 18 on the support seat 8; the part of the adjusting bolt at the rear end of the pin shaft, which extends out of the piston and the end cover, is connected with a locking nut 17;
when the vehicle is parked, the compression spring 2 is used for storing energy to provide pressure, the piston 3 is pressed, the piston 3 pushes the adjusting pin shaft 4 to press the pressing block 13, and the pressing block 13 pushes the dynamic friction plate 10 to press the brake disc of the vehicle. When parking is released, pressure oil is conveyed into the hydraulic cavity through the oil inlet channel 18 and the oil inlet gap 19, the elasticity of the disc spring is overcome, the piston is pushed open, at the moment, no pressure acts on the pressing block 13 and the dynamic friction plate 10, the vehicle brake disc is in a relaxed state, and parking is released. The adjustment of the brake disc clearance is realized by rotating the stroke of the adjusting bolt 16 to adjust the brake disc clearance, and the brake disc clearance is locked by the locking nut 17 after adjustment, so that the brake disc clearance adjusting device is stable and reliable.
When the brake is released in emergency, the locking nut 17 is directly loosened, the adjusting bolt 16 is rotated and loosened, and the brake is released.
The advantages are that: the disc brake has the advantages of fast heat dissipation, light weight, simple structure and convenient adjustment. Particularly, the disc brake has good high-temperature resistance under high load, stable braking effect and resistance to muddy water invasion, and the disc brake adopted by a plurality of cars has good braking effect and ventilation and heat dissipation capability when driving in winter and in bad road conditions. The disc brake applies force along the brake disc, the brake shaft is free from bending moment, and the radial size is small.
Further, the end cover is fixedly connected with the cylinder body through a bolt 15; the fixed friction plate 9 is fixedly arranged in the front side wall of the U-shaped open slot of the supporting seat through a screw 6;
the pin shaft is arranged in a central hole in the piston and can move back and forth along the central hole, and the rear end of the pin shaft is connected to the rear end of the piston through an adjusting bolt and extends out of the piston and the end cover;
the compression spring 2 is formed by arranging a plurality of disc springs in parallel;
an annular groove is formed in the front end face of the retaining ring, the rear end of the pressing block is of a cylindrical structure, the pressing block is located in a matched mode through the cylindrical structure and the annular groove, and a certain stroke gap is formed between the rear end face of the pressing block cylindrical structure and the rear end face of the annular groove of the retaining ring to provide a stroke for parking release;
the outer surface of the pressing block 13 is provided with a rectangular first sealing ring 11, the pressing block is in sealing fit connection with the inner surface of the support through the first sealing ring, and a plurality of first sealing rings can be arranged in parallel for improving the sealing connection performance;
o-shaped second sealing rings 12 are respectively arranged between the outer surfaces of the piston and the baffle ring and the inner surface of the cylinder body of the support;
and oil seals 5 are respectively arranged at the front side and the rear side of the oil inlet channel between the support and the matching contact surface of the mounting seat, and are rectangular sealing rings.
The hydraulic disc brake of the new energy vehicle is characterized in that a piston is arranged in a hydraulic cavity formed by matching a support and an end cover, a compression spring is arranged between the piston and the cover, the front end of the piston is connected with a movable friction plate through a retaining ring and a pressing block, a fixed friction plate is arranged at the opposite position of the movable friction plate, an oil inlet channel on the support is connected to an oil inlet gap between the retaining ring and the piston, oil inlet hydraulic pressure is sequentially transmitted to push the movable friction plate and is matched with the fixed friction plate to hold a vehicle brake disc tightly, so that an output shaft of a reduction gearbox stops rotating, the hydraulic pressure is converted into friction force to achieve a braking effect, force is applied to the brake shaft along the brake disc, the brake shaft is free from bending moment, the radial size is small, the braking performance is stable and; the ventilation and heat dissipation efficiency is high, the braking stroke adjustment is convenient, the high-temperature resistance performance is good during high load, the muddy water invasion is not afraid, and the vehicle can be driven in winter and under bad road conditions.
Claims (8)
1. The utility model provides a new forms of energy car hydraulic disc brake which characterized in that: the brake device comprises a supporting seat, wherein the supporting seat is installed on a frame through an installation seat, a fixed friction plate is arranged on the supporting seat, a movable friction plate is arranged at the position opposite to the fixed friction plate, the movable friction plate is installed on a pressing block, the pressing block is installed in a matched mode with a hole in the supporting seat and can move back and forth along the hole, and the movable friction plate and the fixed friction plate are pushed to be matched to hold a vehicle brake disc tightly; a cylinder body is arranged at the position of the support behind the pressing block, the rear side of the cylinder body is connected with an end cover in a closed manner, the cylinder body is matched with the inner space of the end cover to form a hydraulic cavity, a piston is arranged in the hydraulic cavity, a compression spring capable of compressing the piston is arranged between the piston and the end cover, a pin shaft is arranged in the center of the piston, the front end of the pin shaft is propped against the pressing block, and the pin shaft sequentially drives and props; a baffle ring is arranged between the piston and the front end of the support cylinder body, the center of the baffle ring is hermetically sleeved on the neck of the piston, an oil inlet gap is arranged between the rear end face of the baffle ring and the piston, and the oil inlet gap is communicated with an oil inlet channel on the support.
2. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: the pin shaft is arranged in a central hole in the piston and can move back and forth along the central hole, and the rear end of the pin shaft is connected to the rear end of the piston through an adjusting bolt and extends out of the piston and the end cover.
3. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: the compression spring is formed by arranging a plurality of disc springs side by side.
4. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: an annular groove is formed in the front end face of the baffle ring, the rear end of the pressing block is of a cylindrical structure, and the pressing block is located through the cylindrical structure and the annular groove in a matched mode.
5. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: the outer surface of the pressing block is provided with a first sealing ring, and the pressing block is connected with the inner surface of the support in a sealing fit mode through the first sealing ring.
6. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: and a second sealing ring is arranged between the outer surface of the piston and the baffle ring and the inner surface of the cylinder body of the support.
7. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: and oil seals are respectively arranged at the positions of the front side and the rear side of the oil inlet channel between the support and the matching contact surface of the mounting seat.
8. The new energy vehicle hydraulic disc brake of claim 1, characterized in that: and the part of the adjusting bolt at the rear end of the pin shaft, which extends out of the piston and the end cover, is connected with a locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666342.5U CN210715654U (en) | 2019-05-10 | 2019-05-10 | New forms of energy car hydraulic disc brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920666342.5U CN210715654U (en) | 2019-05-10 | 2019-05-10 | New forms of energy car hydraulic disc brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210715654U true CN210715654U (en) | 2020-06-09 |
Family
ID=70964093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920666342.5U Active CN210715654U (en) | 2019-05-10 | 2019-05-10 | New forms of energy car hydraulic disc brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210715654U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397687A (en) * | 2019-07-08 | 2019-11-01 | 孝感航科机电科技有限公司 | A kind of parking brake of disc hydraulic braking |
| CN114776730A (en) * | 2022-04-21 | 2022-07-22 | 广德亚太汽车智能制动系统有限公司 | Clamp body assembly and brake applied by same |
-
2019
- 2019-05-10 CN CN201920666342.5U patent/CN210715654U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110397687A (en) * | 2019-07-08 | 2019-11-01 | 孝感航科机电科技有限公司 | A kind of parking brake of disc hydraulic braking |
| CN114776730A (en) * | 2022-04-21 | 2022-07-22 | 广德亚太汽车智能制动系统有限公司 | Clamp body assembly and brake applied by same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee after: Hangke Automobile (Zhenjiang) Co.,Ltd. Country or region after: China Address before: Building A, Shuangzi Building, No. 468 Smart Avenue, Science and Technology New City, Zhenjiang City, Jiangsu Province, 212000 Patentee before: HANGKE AUTOMOTIVE CHASSIS SYSTEM (ZHENJIANG) CO.,LTD. Country or region before: China |
|
| CP03 | Change of name, title or address |