CN216783747U - Brake device of electric bicycle - Google Patents
Brake device of electric bicycle Download PDFInfo
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- CN216783747U CN216783747U CN202122472765.3U CN202122472765U CN216783747U CN 216783747 U CN216783747 U CN 216783747U CN 202122472765 U CN202122472765 U CN 202122472765U CN 216783747 U CN216783747 U CN 216783747U
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- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
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- 238000009434 installation Methods 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
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Abstract
The utility model discloses a brake device of an electric bicycle. The brake device comprises a handle seat and brake calipers, a pressure cavity is arranged in the handle seat, a first through hole and a second through hole are formed in the side wall of the pressure cavity, a piston rod is movably connected in the first through hole, a piston is movably and hermetically connected in the pressure cavity, one end of the piston rod is connected with the piston, a reset device connected with the piston is arranged in the pressure cavity, the first through hole and the second through hole are respectively arranged on two sides of the piston, a brake handle is movably connected on the handle seat, a push block is installed on the brake handle, the other end of the piston rod is connected with the push block, a piston rod adjusting device is arranged on the push block, a connecting pipe is arranged between the handle seat and the brake calipers, one end of the connecting pipe is installed at an opening of the second through hole, and the other end of the connecting pipe is connected with the brake calipers. The utility model has the beneficial effects that: the brake sensitivity can be adjusted; the brake handle can be held more laborsavingly for braking; the safety during braking is improved; the safety in the riding process is improved.
Description
Technical Field
The utility model relates to the technical field of bicycles, in particular to a brake device of an electric bicycle.
Background
Most of the braking systems adopted by the electric bicycles are disc brakes, and riders can operate the brakes at any time to decelerate and stop running vehicles, so that the running safety is ensured, and therefore, the braking systems are very important for the safety of riders. The disc brake is divided into a stay wire disc brake and an oil pressure disc brake, wherein the oil pressure disc brake has good braking effect and good hand feeling, and the hand force is smoother and more labor-saving than the stay wire disc brake, so the brake is widely produced and used.
However, the conventional oil pressure disc brake has the defects that the brake sensitivity is reduced after the conventional oil pressure disc brake is used for a long time, and traffic accidents are easy to happen.
SUMMERY OF THE UTILITY MODEL
The utility model provides a brake device of an electric bicycle, which can adjust the brake sensitivity, in order to overcome the defect that the brake sensitivity is reduced after long-term use in the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a brake device of an electric bicycle comprises a handle seat and brake calipers, wherein a pressure cavity is arranged inside the handle seat, a first through hole and a second through hole are formed in the side wall of the pressure cavity, a piston rod is movably connected in the first through hole, a piston is movably and hermetically connected in the pressure cavity, one end of the piston rod is connected with the piston, a reset device connected with the piston is arranged in the pressure cavity, the first through hole and the second through hole are respectively arranged on two sides of the piston, a brake handle is movably connected on the handle seat, a push block is arranged on the brake handle, the other end of the piston rod is connected with the push block, a piston rod adjusting device is arranged on the push block, a connecting conduit is arranged between the handle seat and the brake calipers, one end of the connecting conduit is arranged at the opening of the second through hole, and the other end of the connecting conduit is connected with the brake calipers, an oil filling hole is formed in the side wall of the pressure cavity, and a plug is connected to the opening of the oil filling hole in a sealing mode.
When a rider holds the brake handle, the push block on the brake handle can push the piston rod, so that the piston is driven to move in the pressure cavity towards the second through hole, pressure oil in the pressure cavity is pressed into the brake caliper through the second through hole and the connecting guide pipe, and braking is achieved. When the brake sensitivity is reduced, the piston rod adjusting device on the push block can adjust the initial position of the piston rod in a natural state, the piston rod further extends into the pressure cavity, the initial distance between the piston and the second through hole is further reduced, and the brake sensitivity can be improved. The reset device can automatically reset the piston after the rider releases the brake handle. Pressurized oil may be added to the brake line through the oil fill port.
Preferably, the return device comprises a return spring arranged in the pressure chamber, one end of the return spring is connected with the piston, and the other end of the return spring is connected with the end wall of the pressure chamber. When a rider holds the brake handle, the piston moves towards the second through hole, the return spring deforms to generate a return force, and the piston can automatically return to the initial position under the action of the return force after the rider releases the brake handle. Simple structure and convenient installation.
Preferably, the handle seat is further provided with a handle through hole, a side opening is formed in the side wall of the handle through hole, and a holding device is arranged at the side opening. Handle through-hole and the handle phase-match on the electric bicycle locomotive, the handle seat cup joints on the handle of electric bicycle locomotive through the handle through-hole, and wherein the handle seat is made by plastic material, through the open-sided design, the in-process on the handle is cup jointed through the handle through-hole to the handle seat props open the handle through-hole properly to on the assembly personnel can more easily cup joint the handle through-hole with the handle seat, reduced the intensity of labour in the equipment process, labour saving and time saving. The holding device plays a role in fixing the handle seat after the handle seat is installed, and the connection strength between the handle seat and the handle is improved.
Preferably, the holding device comprises a first fixing block and a second fixing block which are fixed on the surface of the handle seat, the first fixing block and the second fixing block are respectively arranged on two sides of the side opening, a first threaded hole is formed in the first fixing block, a second threaded hole is formed in the second fixing block, and the first fixing block is in threaded connection with the second fixing block through the matching of the first threaded hole and the second threaded hole. After the handle seat is installed, the first threaded hole in the first fixing block and the second threaded hole in the second fixing block are in threaded connection through the fastening bolt, so that the purpose of tightening the side opening is achieved, and fixation is achieved. The fixing device is simple to operate, good in fixing effect, convenient to install and detach, time-saving and labor-saving.
Preferably, the handle seat is provided with a handle mounting groove matched with the end part of the brake handle, two opposite side walls of the handle mounting groove are respectively provided with a first rotating groove, the end part of the brake handle is fixed with a first rotating column matched with the first rotating groove, the end part of the brake handle is arranged in the handle mounting groove through the matching of the first rotating column and the first rotating groove and is rotationally connected with the first rotating column, and the push block is arranged on one side of the brake handle, which is just opposite to the first through hole. The first rotating column is matched with the first rotating groove, so that the brake handle is conveniently arranged on the handle seat, when a rider holds the brake handle, the brake handle rotates towards one side of the first through hole, the piston rod and the piston are pushed towards the second through hole by the pushing block, braking is achieved, the structure is simple, and operation is convenient.
Preferably, the first through hole is disposed in the end wall at one end of the pressure chamber, and the second through hole is disposed in the end wall at the other end of the pressure chamber. The exhaust operation is conveniently carried out after the brake oil is replaced, the exhaust effect is improved, and the brake system is prevented from being out of order due to the fact that air is remained in a brake pipeline.
Preferably, the push block is rotatably connected with the brake handle, the push block is further installed at the other end of the piston rod, and the width of the through hole II is larger than the diameter of the cross section of the piston rod. The piston rod and the piston can be smoothly pushed towards the second through hole by the push block, and the brake handle can be held more laborsavingly for braking.
Preferably, the brake handle is provided with a third fixed block on one side opposite to the first through hole, the third fixed block is provided with a pushing block mounting groove matched with the pushing block, two rotating grooves are formed in two opposite side walls of the pushing block mounting groove, a second rotating column matched with the second rotating groove is fixed on the pushing block, and the pushing block is mounted in the pushing block mounting groove through the matching of the second rotating column and the second rotating groove and is rotatably connected with the pushing block. Through the matching of the second rotating column and the second rotating groove, the push block is convenient to mount on the third fixing block, when the brake handle and the third fixing block on the brake handle rotate towards one side of the first through hole, the push block also rotates relative to the third fixing block and smoothly pushes the piston rod in the first through hole, and the piston rod and the piston are pushed towards the direction of the second through hole.
Preferably, the piston rod adjusting device comprises a first threaded through hole formed in the push block, an external thread matched with the first threaded through hole is arranged on the outer side wall of the other end of the piston rod, the push block is in threaded connection with the piston rod through the matching of the first threaded through hole and the external thread, and an adjusting hole is formed in the end face of the other end of the piston rod. Wherein the adjusting hole can be a hexagon socket. When brake sensitivity reduces, can adopt in the allen key card to go into the regulation hole, and then drive the piston rod through rotating the allen key and take place to rotate, at this moment under the effect of screw thread, the piston rod then can further screw in to the pressure chamber, and then reduces the initial distance between piston and the through-hole two, improves the sensitivity of brake.
Preferably, a power-off switch seat is installed on the handle seat, a contact is arranged on the power-off switch seat, a contact ejecting block is fixed on one side of the brake handle back to the first through hole, and the contact ejecting block is in contact with the contact. In a natural state, the contact ejecting block on the brake handle is contacted with the contact on the power-off switch seat, and at the moment, the electric door is in a circuit connection state, so that the electric vehicle can normally supply power; when a rider holds the brake handle to brake, the brake handle rotates towards one side of the first through hole, the contact top block is separated from the contact, the switch is in a circuit disconnection state, the electric vehicle does not supply power any more, and the safety during braking is improved.
Preferably, the first through hole is disposed in the end wall at one end of the pressure chamber, and the second through hole is disposed in the side wall of the pressure chamber and near the end wall at the other end of the pressure chamber. Compact structure and space saving.
Preferably, the piston rod adjusting device is installed between one end of the push block and the brake handle, and the other end of the push block is in contact with the end face of the other end of the piston rod. When a rider holds the brake handle, the brake handle rotates towards one side of the first through hole, and the push block can automatically push the piston rod and the upper piston of the piston rod towards the second through hole to achieve braking.
Preferably, the brake handle is provided with a second threaded through hole, the piston rod adjusting device comprises an adjusting bolt installed in the second threaded through hole, and one end of the push block is fixedly connected with the end of the adjusting bolt. When the brake sensitivity is reduced, the adjusting bolt can be screwed by a wrench, and further screwed into the second threaded through hole, so that the piston rod is further pushed towards the second through hole by the pushing block on the adjusting bolt, the initial distance between the piston and the second through hole is further reduced, and the brake sensitivity is improved.
As preferred, brake caliper includes the calliper body, is equipped with the calliper through-hole on the calliper body, all is equipped with the calliper spout on the relative both sides wall of calliper through-hole, is equipped with the passageway between the bottom of calliper spout and the surface of calliper body, the opening part of connecting tube's other end installation passageway, the activity sealing connection has the calliper piston in the calliper spout, all is fixed with the brake block on the relative one side of two calliper pistons. The U-shaped elastic sheet is arranged in the through hole of the caliper, one surface of each U-shaped elastic sheet, back to back, on the corresponding side of the two sides of the U-shaped elastic sheet is fixed on the corresponding side of the two caliper pistons, and the brake pad is fixed on the corresponding surface of the two sides of the U-shaped elastic sheet, wherein the U-shaped elastic sheet plays a role in automatic resetting of the caliper pistons. The brake disc on the wheel shaft of the electric bicycle is arranged between the two brake pads. When pressure oil in the pressure cavity loops through the second through hole, the connecting guide pipe and the oil duct and is pressed into the two caliper sliding grooves, the two caliper pistons can be pushed to move, the two caliper pistons are enabled to be close to each other, the U-shaped elastic sheet is driven to deform, the brake disc on the electric bicycle is clamped by the brake pads on the two sides of the U-shaped elastic sheet, and braking is achieved.
The utility model has the beneficial effects that: the brake sensitivity can be adjusted; the structure is simple, and the operation is convenient; the labor intensity of mounting the handle seat on the handle of the vehicle head is reduced, and time and labor are saved; the connecting strength between the handle seat and the handle of the vehicle head is improved; the exhaust operation is convenient to carry out after the brake oil is replaced, and the exhaust effect is improved; the brake handle can be held more laborsavingly for braking; the safety during braking is improved; the safety in the riding process is improved.
Drawings
FIG. 1 is a schematic structural diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the handle housing of FIG. 1;
FIG. 3 is a schematic view of the internal structure at A in FIG. 2;
FIG. 4 is a schematic structural view of a second embodiment of the present invention;
FIG. 5 is a schematic view of the internal structure of the handle housing of FIG. 4;
FIG. 6 is a schematic structural view of the caliper body;
fig. 7 is a sectional view at B-B in fig. 6.
In the figure: 1. the caliper comprises a caliper body, 2 parts of a connecting guide pipe, 3 parts of a handle seat, 4 parts of a brake handle, 5 parts of a through hole II, 6 parts of a pressure cavity, 7 parts of a piston, 8 parts of a power-off switch seat, 9 parts of a contact, 10 parts of a contact top block, 11 parts of a rotating column I, 12 parts of a rotating groove I, 13 parts of a piston rod, 14 parts of a handle mounting groove, 15 parts of a through hole I, 16 parts of a push block mounting groove, 17 parts of a rotating groove II, 18 parts of a rotating column II, 19 parts of a push block, 20 parts of a threaded through hole I, 21 parts of an adjusting hole, 22 parts of external threads, 23 parts of adjusting bolts, 24 parts of threaded through holes II, 25 parts of caliper through holes, 26 parts of caliper pistons, 27 parts of U-shaped elastic sheets, 28 parts of brake pads, 29 parts of caliper sliding grooves, 30 parts of channels, 31 parts of fixed blocks III, 32 parts of springs, 33 parts of handle through holes, 34 parts of fixed blocks I, 35. the side opening is 36, the fixing block II is 37, the threaded hole II is 38, the threaded hole I is 39, the oil filling hole is 39, and the plug is 40.
Detailed Description
The utility model is further described with reference to the following figures and detailed description.
As shown in fig. 1, 2, 4 and 5, a brake device of an electric bicycle comprises a handle seat 3 and brake calipers, a pressure chamber 6 is arranged in the handle seat 3, a first through hole 15 and a second through hole 5 are arranged on the side wall of the pressure chamber 6, a piston rod 13 is movably connected in the first through hole 15, a piston 7 is movably and hermetically connected in the pressure chamber 6, one end of the piston rod 13 is connected with the piston 7, a reset device connected with the piston 7 is arranged in the pressure chamber 6, the first through hole 15 and the second through hole 5 are respectively arranged on two sides of the piston 7, as shown in fig. 3 and 5, a brake handle 4 is movably connected on the handle seat 3, a push block 19 is arranged on the brake handle 4, the other end of the piston rod 13 is connected with the push block 19, a piston rod adjusting device is arranged on the push block 19, a connecting conduit 2 is arranged between the handle seat 3 and the brake calipers, one end of the connecting conduit 2 is arranged at the opening of the second through hole 5, the other end of the connecting conduit 2 is connected with the brake caliper, the side wall of the pressure cavity 6 is provided with an oil filling hole 39, and the opening of the oil filling hole 39 is hermetically connected with a plug 40.
The return means comprise a return spring 32 arranged in the pressure chamber 6, one end of the return spring 32 being connected to the piston 7 and the other end of the return spring 32 being connected to an end wall of the pressure chamber 6.
Still be equipped with handle through-hole 33 on the handle seat 3, be equipped with side opening 35 on the lateral wall of handle through-hole 33, side opening 35 department is equipped with and holds tightly the device.
The clasping device comprises a first fixing block 34 and a second fixing block 36 which are fixed on the surface of the handle seat 3, the first fixing block 34 and the second fixing block 36 are respectively arranged on two sides of the side opening 35, a first threaded hole 38 is formed in the first fixing block 34, a second threaded hole 37 is formed in the second fixing block 36, and the first fixing block 34 is in threaded connection with the second fixing block 36 through the matching of the first threaded hole 38 and the second threaded hole 37.
The handle seat 3 is provided with a handle mounting groove 14 matched with the end part of the brake handle 4, two opposite side walls of the handle mounting groove 14 are respectively provided with a first rotating groove 12, the end part of the brake handle 4 is fixedly provided with a first rotating column 11 matched with the first rotating groove 12, the end part of the brake handle 4 is arranged in the handle mounting groove 14 through the matching of the first rotating column 11 and the first rotating groove 12 and is rotationally connected with the handle mounting groove, and the push block 19 is arranged on one side of the brake handle 4 opposite to the first through hole 15.
As shown in fig. 2, the first through hole 15 is provided in the end wall of one end of the pressure chamber 6, and the second through hole 5 is provided in the end wall of the other end of the pressure chamber 6.
As shown in figures 2 and 3, the push block 19 is rotatably connected with the brake handle 4, the push block 19 is also arranged at the other end of the piston rod 13, and the width of the through hole II 5 is larger than the cross section diameter of the piston rod 13.
A third fixed block 31 is fixed on one side of the brake handle 4, which is opposite to the first through hole 15, a third push block mounting groove 16 matched with the push block 19 is arranged on the third fixed block 31, two rotating grooves 17 are respectively arranged on two opposite side walls of the first push block mounting groove 16, a second rotating column 18 matched with the second rotating groove 17 is fixed on the push block 19, and the push block 19 is installed in the first push block mounting groove 16 through the matching of the second rotating column 18 and the second rotating groove 17 and is rotatably connected with the first rotating column.
The piston rod adjusting device comprises a first threaded through hole 20 formed in the push block 19, an external thread 22 matched with the first threaded through hole 20 is formed in the outer side wall of the other end of the piston rod 13, the push block 19 is in threaded connection with the piston rod 13 through the matching of the first threaded through hole 20 and the external thread 22, and an adjusting hole 21 is formed in the end face of the other end of the piston rod 13.
Install the power off switch seat 8 on the handle seat 3, be equipped with contact 9 on the power off switch seat 8, the brake handle 4 is last and be located one side back to through-hole 15 and be fixed with contact kicking block 10, and contact kicking block 10 and contact 9 contact.
As shown in fig. 5, the first through hole 15 is provided in the end wall of one end of the pressure chamber 6, and the second through hole 5 is provided in the side wall of the pressure chamber 6 near the end wall of the other end of the pressure chamber 6.
The piston rod adjusting device is arranged between one end of the push block 19 and the brake handle 4, and the other end of the push block 19 is in contact with the end face of the other end of the piston rod 13.
The brake handle 4 is provided with a second threaded through hole 24, the piston rod adjusting device comprises an adjusting bolt 23 arranged in the second threaded through hole 24, and one end of the push block 19 is fixedly connected with the end part of the adjusting bolt 23.
As shown in fig. 6 and 7, the brake caliper comprises a caliper body 1, a caliper through hole 25 is formed in the caliper body 1, two opposite side walls of the caliper through hole 25 are respectively provided with a caliper sliding groove 29, a channel 30 is formed between the bottom of the caliper sliding groove 29 and the outer surface of the caliper body 1, the other end of the connecting conduit 2 is installed at an opening of the channel 30, a caliper piston 26 is movably and hermetically connected in the caliper sliding groove 29, and a brake pad 28 is fixed on one opposite surface of each of the two caliper pistons. The caliper through hole 25 is internally provided with a U-shaped elastic sheet 27, the two sides of the U-shaped elastic sheet 27 are back to back and are respectively fixed on the two caliper pistons 26, and the brake pad 28 is fixed on the opposite side of the two sides of the U-shaped elastic sheet 27. The brake disc on the wheel shaft of the electric bicycle is arranged between the two brake pads 28.
In the first embodiment described in fig. 1-3: when a rider holds the brake handle 4, the brake handle 4 rotates towards one side of the first through hole 15 through the matching of the first rotating column 11 and the first rotating groove 12 (at the moment, the contact top block 10 is separated from the contact 9, the electric door is in a circuit disconnection state, and the electric vehicle is not powered any more), meanwhile, through the matching of the second rotating column 18 and the second rotating groove 17, the push block 19 also rotates relative to the third fixed block 31 and smoothly pushes the piston rod 13 in the first through hole 15, the piston rod 13 and the piston 7 are pushed towards the second through hole 5, so that pressure oil in the pressure cavity 6 is pressed into the two caliper sliding grooves 29 through the second through hole 5, the connecting conduit 2 and the oil duct 30 sequentially, the two caliper pistons 26 are pushed to approach each other, and brake discs on the electric bicycle are clamped by the brake pads 28 on the two side edges of the U-shaped elastic sheet 27, and braking is achieved. When the rider releases the brake handle 4, the piston 7 automatically resets under the action of the spring 32, the U-shaped elastic sheet 27 also automatically resets, and the brake pad 28 is separated from the brake disc. When the sensitivity of braking reduces, can adopt hexagon socket head wrench card to go into in adjusting hole 21, and then drive piston rod 13 through rotating hexagon socket head wrench and take place to rotate, at this moment under the effect of screw thread, piston rod 13 then can further screw in to pressure chamber 6 in, and then reduces the initial distance between piston 7 and the two 5 of through-hole, improves the sensitivity of braking.
In the second embodiment described in fig. 4-5: when a rider holds the brake handle 4, the brake handle 4 rotates towards one side of the first through hole 15 through the matching of the first rotating column 11 and the first rotating groove 12, at the moment, the push block 19 in contact with the piston rod 13 can automatically push the piston rod 13 and the upper piston 7 thereof towards the direction of the second through hole 5, so that pressure oil in the pressure cavity 6 is pressed into the two caliper sliding grooves 29 through the second through hole 5, the connecting conduit 2 and the oil duct 30, the two caliper pistons 26 are pushed to approach each other, and the brake pads 28 on the two side edges of the U-shaped elastic sheet 27 clamp a brake disc on the electric bicycle, so that braking is realized. When the braking sensitivity is reduced, the adjusting bolt 23 can be screwed by a wrench, the adjusting bolt 23 is further screwed into the second threaded through hole 24, and the push block 19 on the adjusting bolt 23 further pushes the piston rod 13 towards the second through hole 5, so that the initial distance between the piston 7 and the second through hole 5 is reduced, and the braking sensitivity is improved.
Claims (14)
1. The brake device of the electric bicycle is characterized by comprising a handle seat (3) and brake calipers, wherein a pressure cavity (6) is arranged inside the handle seat (3), a first through hole (15) and a second through hole (5) are formed in the side wall of the pressure cavity (6), a piston rod (13) is movably connected in the first through hole (15), a piston (7) is movably and hermetically connected in the pressure cavity (6), one end of the piston rod (13) is connected with the piston (7), a reset device connected with the piston (7) is arranged in the pressure cavity (6), the first through hole (15) and the second through hole (5) are respectively arranged on two sides of the piston (7), a brake handle (4) is movably connected on the handle seat (3), a push block (19) is installed on the brake handle (4), and the other end of the piston rod (13) is connected with the push block (19), the brake caliper is characterized in that a piston rod adjusting device is arranged on the push block (19), a connecting pipe (2) is arranged between the handle seat (3) and the brake caliper, one end of the connecting pipe (2) is installed at an opening of the second through hole (5), the other end of the connecting pipe (2) is connected with the brake caliper, an oil filling hole (39) is formed in the side wall of the pressure cavity (6), and a plug (40) is hermetically connected to the opening of the oil filling hole (39).
2. A brake device for electric bicycle according to claim 1, wherein said return means comprises a return spring (32) disposed in the pressure chamber (6), one end of said return spring (32) being connected to the piston (7), the other end of said return spring (32) being connected to the end wall of the pressure chamber (6).
3. The brake device of the electric bicycle as claimed in claim 1, wherein the handle seat (3) is further provided with a handle through hole (33), a side opening (35) is formed in a side wall of the handle through hole (33), and a clasping device is arranged at the side opening (35).
4. The brake device of the electric bicycle as claimed in claim 3, wherein the clasping device comprises a first fixing block (34) and a second fixing block (36) which are fixed on the surface of the handle seat (3), the first fixing block (34) and the second fixing block (36) are respectively arranged on two sides of the side opening (35), a first threaded hole (38) is formed in the first fixing block (34), a second threaded hole (37) is formed in the second fixing block (36), and the first fixing block (34) is in threaded connection with the second fixing block (36) through the matching of the first threaded hole (38) and the second threaded hole (37).
5. The brake device of the electric bicycle according to claim 1, wherein the handle holder (3) is provided with a handle mounting groove (14) matched with the end of the brake handle (4), two opposite side walls of the handle mounting groove (14) are provided with a first rotating groove (12), the end of the brake handle (4) is fixed with a first rotating column (11) matched with the first rotating groove (12), the end of the brake handle (4) is arranged in the handle mounting groove (14) through the matching of the first rotating column (11) and the first rotating groove (12) and is rotatably connected with the same, and the push block (19) is arranged on one side of the brake handle (4) opposite to the first through hole (15).
6. The brake apparatus for electric bicycle according to claim 1, wherein the first through hole (15) is formed in an end wall of one end of the pressure chamber (6), and the second through hole (5) is formed in an end wall of the other end of the pressure chamber (6).
7. The brake device of the electric bicycle as claimed in claim 5, wherein the push block (19) is rotatably connected with the brake handle (4), the push block (19) is further installed at the other end of the piston rod (13), and the width of the through hole II (5) is larger than the cross-sectional diameter of the piston rod (13).
8. The brake device of the electric bicycle as claimed in claim 7, wherein a third fixed block (31) is fixed on the brake handle (4) at a side opposite to the first through hole (15), the third fixed block (31) is provided with a second push block mounting groove (16) matched with the second push block (19), two opposite side walls of the second push block mounting groove (16) are provided with second rotating grooves (17), the second rotating post (18) matched with the second rotating groove (17) is fixed on the second push block (19), and the second push block (19) is mounted in the second push block mounting groove (16) through the matching of the second rotating post (18) and the second rotating groove (17) and is rotatably connected with the second rotating post (18).
9. The brake device of the electric bicycle as claimed in claim 7, wherein the piston rod adjusting device comprises a first threaded through hole (20) formed in the push block (19), an external thread (22) matched with the first threaded through hole (20) is formed in the outer side wall of the other end of the piston rod (13), the push block (19) is in threaded connection with the piston rod (13) through the matching of the first threaded through hole (20) and the external thread (22), and an adjusting hole (21) is formed in the end face of the other end of the piston rod (13).
10. The brake device of the electric bicycle as claimed in claim 8, wherein the handle holder (3) is provided with a power-off switch holder (8), the power-off switch holder (8) is provided with a contact (9), the brake handle (4) is fixed with a contact top block (10) at a side opposite to the first through hole (15), and the contact top block (10) is in contact with the contact (9).
11. The brake apparatus for electric bicycles of claim 1, wherein the first through hole (15) is formed on the end wall of one end of the pressure chamber (6), and the second through hole (5) is formed on the side wall of the pressure chamber (6) near the end wall of the other end of the pressure chamber (6).
12. A brake device for electric bicycles, as claimed in claim 11, wherein said piston rod adjusting device is installed between one end of the push block (19) and the brake lever (4), and the other end of said push block (19) is in contact with the end surface of the other end of the piston rod (13).
13. The brake device of the electric bicycle as claimed in claim 12, wherein the brake handle (4) is provided with a second threaded through hole (24), the piston rod adjusting device comprises an adjusting bolt (23) installed in the second threaded through hole (24), and one end of the push block (19) is fixedly connected with the end of the adjusting bolt (23).
14. The brake device of the electric bicycle according to claim 1, wherein the brake caliper comprises a caliper body (1), a caliper through hole (25) is formed in the caliper body (1), caliper sliding grooves (29) are formed in two opposite side walls of the caliper through hole (25), a channel (30) is formed between the bottom of each caliper sliding groove (29) and the outer surface of the caliper body (1), the other end of each connecting conduit (2) is installed at an opening of the channel (30), caliper pistons (26) are movably and hermetically connected in the caliper sliding grooves (29), and brake pads (28) are fixed on two opposite surfaces of the two caliper pistons (26).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122472765.3U CN216783747U (en) | 2021-10-14 | 2021-10-14 | Brake device of electric bicycle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122472765.3U CN216783747U (en) | 2021-10-14 | 2021-10-14 | Brake device of electric bicycle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216783747U true CN216783747U (en) | 2022-06-21 |
Family
ID=81998830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122472765.3U Active CN216783747U (en) | 2021-10-14 | 2021-10-14 | Brake device of electric bicycle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216783747U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013552A (en) * | 2021-10-14 | 2022-02-08 | 余姚市嘉驻车业有限公司 | Brake structure of electric bicycle |
| CN116788415A (en) * | 2023-07-11 | 2023-09-22 | 瑞安市瑞洲机车部件有限公司 | Disc brake device for motorcycle |
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2021
- 2021-10-14 CN CN202122472765.3U patent/CN216783747U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114013552A (en) * | 2021-10-14 | 2022-02-08 | 余姚市嘉驻车业有限公司 | Brake structure of electric bicycle |
| CN116788415A (en) * | 2023-07-11 | 2023-09-22 | 瑞安市瑞洲机车部件有限公司 | Disc brake device for motorcycle |
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| GR01 | Patent grant | ||
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Effective date of registration: 20231116 Address after: 315450 Ma Zhu Zhen Le An Hu Cun Wu Zang Ao, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Ningbo Xiaodian Cycling Equipment Co.,Ltd. Address before: 315450 Ma Zhu Zhen Le'an Hu Cun, Yuyao City, Ningbo City, Zhejiang Province Patentee before: YUYAO JIAZHU VEHICLE INDUSTRY CO.,LTD. |