CN207942924U - Coaxial-type speed change and foot brake mechanism - Google Patents
Coaxial-type speed change and foot brake mechanism Download PDFInfo
- Publication number
- CN207942924U CN207942924U CN201820374074.5U CN201820374074U CN207942924U CN 207942924 U CN207942924 U CN 207942924U CN 201820374074 U CN201820374074 U CN 201820374074U CN 207942924 U CN207942924 U CN 207942924U
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- pedal
- brake
- reversing
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- arm
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- 230000008859 change Effects 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 title claims abstract description 13
- 238000003825 pressing Methods 0.000 claims description 10
- 239000004677 Nylon Substances 0.000 claims description 7
- 229920001778 nylon Polymers 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
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Abstract
The utility model discloses a kind of coaxial-type speed change and foot brake mechanisms, including rack (1), pedal brake device (41), electronic pedal device (42), reversing device with pedal (43), advance device with pedal (44), rack (1) is equipped with rear axle (16), motor (11) on rear axle (16) drives trailing wheel (12) to rotate, and the reversing pedal rod (34) of the reversing device with pedal (43) is equipped with pedal brake device (41) and advance device with pedal (44)；The shifting arm (26) of electronic pedal device (42) is mounted between connection sheet (35) and advance pedal base (38), shifting arm (26) links with electronic pedal (10), advance pedal (27) and reversing pedal (24) respectively drive shifting arm (26) to rotate, output voltage variation control motor (11) rotating speed of electronic pedal (10) when rotation；Brake pedal (3) links with rear axle brake arm (14).Using after this structure, having many advantages, such as that compact structure design, easy to operate, easy to install and use, versatility and comfort are good.
Description
Technical field
The utility model is related to vehicle speed variation control and brake technique fields, especially a kind of to be used for low-speed electronic vehicle
Coaxial-type speed change and foot brake mechanism.
Background technology
Currently, low-speed electronic vehicle such as lawn machine, operational motion when in use on hand is more, and lawn machine is all low
Speed traveling, therefore, the petrol power lawn machine of conventional hydraulic variable speed is widely used an advance pedal and a reversing is added to step on
Plate realizes the forward or backward and variable speed operation of machine.
With the continuous promotion and the continuous decline of production cost of new energy technology, electric lawn trimmer is as emerging product
It is developed rapidly.The gear of electric lawn trimmer also changes original control structure, substantially uses electronics at present
Pedal carrys out regulation motor rotating speed, changes motor steering using rocker type switch or rocker switch, to realize machine advance reversing
Transformation.This form structure is simple, and cost is relatively low, but mode of operation and original two pedal structure are entirely different, to use
The operation of person brings great inconvenience, and operation convenience and comfort are poor.For this purpose, many manufacturers and knowledgeable people carry out
Exploitation and development, but there has been no comparatively ideal products to emerge so far.
Invention content
To overcome drawbacks described above of the existing technology, the purpose of this utility model be to provide a kind of structure design it is compact,
Easy to operate, easy to install and use, versatility and the good coaxial-type speed change and foot brake mechanism of comfort.
The utility model solves technical solution used by above-mentioned technical problem, it includes rack, electronic pedal device, falls
Vehicle device with pedal, advance device with pedal, rack are equipped with rear axle, and rear axle is equipped with corresponding motor and trailing wheel, and motor drives trailing wheel
Rotation driving vehicle traveling, the reversing device with pedal include reversing pedal, with the fixed reversing pedal rod of reversing pedal,
The connection sheet being fixed on reversing pedal rod, returning pull-spring of moving backward, reversing pedal rod are rotatably arranged in rack,
Vehicle returning pull-spring is connected between reversing pedal rod and rack；Advance device with pedal includes advance pedal, consolidates with advance pedal
Fixed advance pedal base, advance returning pull-spring, advance pedal base are rotatably arranged in reversing pedal rod, advance returning pull-spring
It is connected between advance pedal base and rack；Electronic pedal device includes electronic pedal, pivoted arm, shifting arm, pull rod, and pivoted arm can turn
It is connected on electronic pedal dynamicly, the output voltage of electronic pedal regularly changing controls motor with the rotational angle of pivoted arm
Rotating speed, shifting arm are rotatably arranged on the reversing pedal rod between connection sheet and advance pedal base, pull rod one end
It being connect with pivoted arm, the other end is connect by stay rod pin with shifting arm, and arc-shaped slot is correspondingly provided on connection sheet and advance pedal base,
Speed change arm link shifting arm connecting rod two end is fixed on shifting arm to extend outwardly the corresponding arc for being inserted into connection sheet and advance pedal base
In shape notch, reversing pedal and advance pedal respectively drive shifting arm to rotate.
The further scheme of the utility model, the reversing device with pedal further include reversing pedal position switch, move backward and open
Seat is closed, reversing switch seat, which is set, to be adjustably mounted in rack, and reversing pedal position switch is fixed on reversing switch seat, is moved backward
It is fixed on pedal rod and switchs the reversing switch pressing plate to match with reversing pedal position.
The further scheme of the utility model, the reversing pedal rod are equipped with pedal brake device, pedal brake dress
Set including brake pedal, with the fixed brake pedal seat of brake pedal, braking returning pull-spring, brake pedal seat rotatably arranged with
On reversing pedal rod, braking returning pull-spring is connected between brake pedal seat and rack；Braking is equipped in the rear axle
Device is connected with rear axle brake arm on brake, and brake cable, rear axle brake are connected between brake pedal seat and rear axle brake arm
Brake arm returning pull-spring is connected between arm and rear axle, brake generates brake force when brake cable drives the rotation of rear axle brake arm
Square.
The further scheme of the utility model, the pedal brake device further include brake pedal position switch, brake and open
Seat is closed, brake switch seat, which is set, to be adjustably mounted in rack, and brake pedal position switch is fixed on brake switch seat, is braked
It is fixed on pedal base and switchs the brake switch pressing plate to match with brake pedal position.
The further scheme of the utility model, the rack are equipped with parking device, and parking device includes parking bar, parking
Axis pin, parking returning pull-spring, parking bar are installed in rotation on by parking axis pin in rack, and the limited block of parking bar is equipped with
Recess is fixed with the gag lever post with mating recesses on brake pedal seat, and parking returning pull-spring is connected between limited block and rack,
The recess of limited block prevents brake pedal return when blocking gag lever post；Rack is equipped with the limit for being used for limiting parking bar initial position
Position plate.
The further scheme of the utility model, the reversing pedal rod are equipped with control reversing pedal rotational angle and axis
To the axially position block of position.
The utility model further scheme is equipped with opening nylon jacket, reversing between the reversing pedal rod and rack
It is respectively equipped with opening nylon jacket between pedal rod and advance pedal base, shifting arm and brake pedal seat.
With the above structure, it has the following advantages compared with prior art and effect：First, due to pedal brake device, preceding
Shifting arm into device with pedal and electronic pedal device is coaxially mounted on the reversing pedal rod of reversing device with pedal, significantly
Product structure is optimized, installation is repaired simply, and easy for operation, production cost significantly declines.Due to being mounted with and electronics
The advance device with pedal and reversing device with pedal, electric lawn trimmer mode of operation of device with pedal linkage are grasped with petrol power lawn machine
It is almost the same to make mode, greatly improves handling, versatility and comfort are good.Third, parking device and pedal brake device
Brake pedal seat cooperation, realize parking function, substantially increase the security performance of vehicle.
Description of the drawings
Fig. 1 is the fit structure schematic diagram of the utility model.
Fig. 2 is the fit structure schematic diagram of the utility model Fig. 1 pedal-controlleds part.
Fig. 3 is the fit structure schematic diagram of bridge portion after the utility model Fig. 1.
Fig. 4 is the decomposition texture schematic diagram of the utility model pedal brake device.
Fig. 5 is the decomposition texture schematic diagram of the utility model electronic pedal device.
Fig. 6 is the decomposition texture schematic diagram of the utility model reversing device with pedal.
Fig. 7 is the decomposition texture schematic diagram of the utility model advance device with pedal.
Wherein 1 rack, 2 parking returning pull-springs, 3 brake pedals, 4 parking bars, 5 braking returning pull-springs, 6 brake pedal positions
Switch, 7 brake switch seats, 8 parking axis pins, 9 limiting plates, 10 electronic pedals, 11 motors, 12 trailing wheels, 13 brake cables, 14 rear axles
Brake arm, 15 brake arm returning pull-springs, 16 rear axles, 17 reversing returning pull-springs, 18 pivoted arms, 19 pull rods, 20 advance returning pull-springs, 21
Reversing switch seat, 22 stay rod pins, 23 reversing pedal positions switch, 24 reversing pedals, 25 opening nylon jackets, 26 shifting arms, before 27
Into pedal, 28 brake switch pressing plates, 29 gag lever posts, 30 recesses, 31 brake pedal seats, 32 speed change arm links, 33 arc-shaped slots, 34
Reversing pedal rod, 35 connection sheets, 36 reversing switch pressing plates, 37 axially position blocks, 38 advance pedal bases, 41 pedal brakes dress
It sets, 42 electronic pedal devices, 43 reversing device with pedal, 44 advance device with pedal, 45 parking devices.
Specific implementation mode
It is the utility model coaxial-type speed change and the specific embodiment of foot brake mechanism, it includes machine shown in Fig. 1 to Fig. 7
Frame 1, electronic pedal device 42, reversing device with pedal 43, advance device with pedal 44, rack 1 are equipped with rear axle 16, are set on rear axle 16
There are corresponding motor 11 and trailing wheel 12, motor 11 to drive the rotation driving vehicle traveling of trailing wheel 12, the reversing device with pedal 43 packet
It includes reversing pedal 24 and the fixed reversing pedal rod 34 of reversing pedal 24, be fixed on the connection sheet moved backward on pedal rod 34
35, reversing returning pull-spring 17, reversing pedal rod 34 are rotatably arranged in rack 1, and reversing returning pull-spring 17 is connected to down
Between vehicle pedal rod 34 and rack 1；Advance device with pedal 44 includes advance pedal 27, is stepped on the fixed advance of advance pedal 27
Panel seat 38, advance returning pull-spring 20, advance pedal base 38 are rotatably arranged in reversing pedal rod 34, advance returning pull-spring 20
It is connected between advance pedal base 38 and rack 1；Electronic pedal device 42 includes electronic pedal 10, pivoted arm 18, shifting arm 26, draws
Bar 19, pivoted arm 18 are rotatably connected on electronic pedal 10, the output voltage of electronic pedal 10 with pivoted arm 18 rotational angle
Regularly changing to control the rotating speed of motor 11, shifting arm 26 is rotatably arranged in positioned at connection sheet 35 and advance pedal base 38
Between reversing pedal rod 34 on, 19 one end of pull rod is connect with pivoted arm 18, and the other end passes through stay rod pin 22 and shifting arm 26 and connects
It connects, is correspondingly provided with arc-shaped slot 33 on connection sheet 35 and advance pedal base 38, speed change arm link 32 is fixed on shifting arm 26, become
32 both ends of fast arm link, which extend outwardly to correspond to, to be inserted into the arc-shaped slot 33 of connection sheet 35 and advance pedal base 38, pedal 24 of moving backward
Respectively shifting arm 26 is driven to rotate with advance pedal 27.When stepping on advance pedal 27, advance pedal base 38 is connected by shifting arm
Bar 32 drives shifting arm 26 to be rotated around reversing pedal rod 34, and shifting arm 26 drives pivoted arm 18 to rotate certain angle by pull rod 19
Degree, 10 output voltage of electronic pedal voltage corresponding with the rotational angle of pivoted arm 18 control 11 rotating speed of motor, to realize
Advancement function.When stepping on reversing pedal 24, the connection sheet 35 moved backward on pedal rod 34 drives change by speed change arm link 32
Fast arm 26 is rotated around reversing pedal rod 34, and shifting arm 26 drives pivoted arm 18 to turn an angle by pull rod 19, electronic pedal
10 output voltages voltage corresponding with the rotational angle of pivoted arm 18 controls 11 rotating speed of motor, to realize car-backing function.
In order to realize that reversing, the reversing device with pedal 43 further include reversing pedal position switch 23, reversing switch seat
21,21 position of reversing switch seat is adjustably mounted in rack 1, and reversing pedal position switch 23 is fixed on reversing switch seat 21
On, the reversing switch pressing plate 36 to match with reversing pedal position switch 23 is fixed on pedal rod 34 of moving backward.When stepping on down
Reversing switch pressing plate 36 is detached with reversing pedal position switch 23 when vehicle pedal 24, changes reversing pedal position switch 23 first
Electric signal, control motor 11 commutates, then presses 10 output voltage control motor of electronic pedal, 11 rotating speed, realizes vehicle backing.
In order to realize that vehicle braking, the reversing pedal rod 34 are equipped with pedal brake device 41, pedal brake dress
It includes brake pedal 3 and 3 fixed brake pedal seat 31 of brake pedal, braking returning pull-spring 5 to set 41, and brake pedal seat 31 can
It is rotatably arranged on reversing pedal rod 34, braking returning pull-spring 5 is connected between brake pedal seat 31 and rack 1；It is described
Rear axle 16 in be equipped with brake, be connected with rear axle brake arm 14 on brake, brake pedal seat 31 and rear axle brake arm 14 it
Between be connected with brake cable 13, brake arm returning pull-spring 15, brake cable 13 are connected between rear axle brake arm 14 and rear axle 16
Brake generates braking moment when rear axle brake arm 14 being driven to rotate.The pedal brake device 41 further includes brake pedal position
Switch 6, brake switch seat 7 are set, 7 position of brake switch seat is adjustably mounted in rack 1, and brake pedal position switch 6 is fixed
On brake switch seat 7, the brake switch pressing plate to match with brake pedal position switch 6 is fixed on brake pedal seat 31
28.When brake pedal 3, brake switch pressing plate 28 is detached with brake pedal position switch 6, brake pedal position switch 6
11 power supply of motor is disconnected, then drives rear axle brake arm 14 to rotate by brake cable 13 and generates braking moment.
In order to realize that reliable parking, the rack 1 are equipped with parking device 45, parking device 45 includes parking bar 4, stays
Vehicle axis pin 8, parking returning pull-spring 2, parking bar 4 are installed in rotation on by parking axis pin 8 in rack 1, the limit of parking bar 4
Block is equipped with recess 30, is fixed with the gag lever post 29 coordinated with recess 30 on brake pedal seat 31, parking returning pull-spring 2 is connected to
Between limited block and rack 1, the recess 30 of limited block prevents 3 return of brake pedal when blocking gag lever post 29；Rack 1, which is equipped with, to be used
To limit the limiting plate 9 of 4 initial position of parking bar.
In order to control rotational angle and axial position, the reversing pedal rod 34 is equipped with control 24 turns of pedal of reversing
The axially position block 37 of dynamic angle and axial position.
In order to facilitate the installation of, it reduces noise and improves handling, set between the reversing pedal rod 34 and rack 1
There is opening nylon jacket 25, moves backward and set respectively between pedal rod 34 and advance pedal base 38, shifting arm 26 and brake pedal seat 31
There is opening nylon jacket 25.
The above, only specific embodiment of the utility model, not makes in any form the utility model
Limitation, on the basis of not departing from the technical solution of the utility model, made simple modification, equivalent variations or modification are fallen
Enter the scope of protection of the utility model.
Claims (7)
1. a kind of coaxial-type speed change and foot brake mechanism, including rack (1), electronic pedal device (42), reversing device with pedal (43),
Advance device with pedal (44), rack (1) are equipped with rear axle (16), and rear axle (16) is equipped with corresponding motor (11) and trailing wheel (12),
Motor (11) drives trailing wheel (12) to rotate driving vehicle traveling, it is characterized in that：The reversing device with pedal (43) includes reversing
Pedal (24) and the fixed reversing pedal rod (34) of reversing pedal (24) are fixed on the connection moved backward on pedal rod (34)
Piece (35), reversing returning pull-spring (17), reversing pedal rod (34) are rotatably arranged in rack (1), returning pull-spring of moving backward
(17) it is connected between reversing pedal rod (34) and rack (1)；Advance device with pedal (44) includes advance pedal (27), with before
Into the fixed advance pedal base (38) of pedal (27), advance returning pull-spring (20), advance pedal base (38) is rotatably arranged in
Reversing pedal rod (34), advance returning pull-spring (20) are connected between advance pedal base (38) and rack (1)；Electronic pedal fills
It includes electronic pedal (10), pivoted arm (18), shifting arm (26), pull rod (19) to set (42), and pivoted arm (18) is rotatably connected to electricity
On sub- pedal (10), the output voltage of electronic pedal (10) regularly changing controls motor with the rotational angle of pivoted arm (18)
(11) rotating speed, shifting arm (26) are rotatably arranged in the reversing between connection sheet (35) and advance pedal base (38) and step on
On plate connecting rod (34), pull rod (19) one end is connect with pivoted arm (18), and the other end is connect by stay rod pin (22) with shifting arm (26),
It is correspondingly provided with arc-shaped slot (33) on connection sheet (35) and advance pedal base (38), shifting arm is fixed with speed change arm link on (26)
(32), speed change arm link (32) both ends, which extend outwardly, corresponds to the arc-shaped slot of insertion connection sheet (35) and advance pedal base (38)
(33) in, reversing pedal (24) and advance pedal (27) respectively drive shifting arm (26) to rotate.
2. coaxial-type speed change according to claim 1 and foot brake mechanism, it is characterized in that：The reversing device with pedal (43)
Further include reversing pedal position switch (23), reversing switch seat (21), reversing switch seat (21) position is adjustably mounted on rack
(1) on, reversing pedal position switch (23) is fixed on reversing switch seat (21), is fixed with and is fallen on reversing pedal rod (34)
The reversing switch pressing plate (36) that vehicle pedal position switch (23) matches.
3. coaxial-type speed change according to claim 1 and foot brake mechanism, it is characterized in that：The reversing pedal rod (34)
It is equipped with pedal brake device (41), pedal brake device (41) includes brake pedal (3) and brake pedal (3) fixed system
Dynamic pedal base (31), braking returning pull-spring (5), brake pedal seat (31) are rotatably arranged on reversing pedal rod (34),
Braking returning pull-spring (5) is connected between brake pedal seat (31) and rack (1)；Brake is equipped in the rear axle (16),
It is connected with rear axle brake arm (14) on brake, brake cable is connected between brake pedal seat (31) and rear axle brake arm (14)
(13), brake arm returning pull-spring (15) is connected between rear axle brake arm (14) and rear axle (16), after brake cable (13) drives
Brake generates braking moment when bridge brake arm (14) rotates.
4. coaxial-type speed change according to claim 3 and foot brake mechanism, it is characterized in that：The pedal brake device (41)
Further include brake pedal position switch (6), brake switch seat (7), brake switch seat (7) position is adjustably mounted on rack (1)
On, brake pedal position switch (6) is fixed on brake switch seat (7), is fixed on brake pedal seat (31) and brake pedal
The brake switch pressing plate (28) that position switch (6) matches.
5. coaxial-type speed change according to any one of claims 1 to 4 and foot brake mechanism, it is characterized in that：The rack (1)
It is equipped with parking device (45), parking device (45) includes parking bar (4), parking axis pin (8), parking returning pull-spring (2), parking
Bar (4) is installed in rotation on by parking axis pin (8) in rack (1), and the limited block of parking bar (4) is equipped with recess (30),
The gag lever post (29) with recess (30) cooperation is fixed on brake pedal seat (31), parking returning pull-spring (2) is connected to limited block
Between rack (1), the recess (30) of limited block prevents brake pedal (3) return when blocking gag lever post (29)；Rack is set on (1)
There is the limiting plate (9) for limiting parking bar (4) initial position.
6. coaxial-type speed change according to claim 5 and foot brake mechanism, it is characterized in that：The reversing pedal rod (34)
It is equipped with the axially position block (37) of control reversing pedal (24) rotational angle and axial position.
7. coaxial-type speed change according to claim 6 and foot brake mechanism, it is characterized in that：The reversing pedal rod (34)
Between rack (1) be equipped with opening nylon jacket (25), reversing pedal rod (34) with advance pedal base (38), shifting arm (26) and
Opening nylon jacket (25) is respectively equipped between brake pedal seat (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374074.5U CN207942924U (en) | 2018-03-20 | 2018-03-20 | Coaxial-type speed change and foot brake mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374074.5U CN207942924U (en) | 2018-03-20 | 2018-03-20 | Coaxial-type speed change and foot brake mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207942924U true CN207942924U (en) | 2018-10-09 |
Family
ID=63697083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820374074.5U Withdrawn - After Issue CN207942924U (en) | 2018-03-20 | 2018-03-20 | Coaxial-type speed change and foot brake mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207942924U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297685A (en) * | 2018-03-20 | 2018-07-20 | 浙江中坚科技股份有限公司 | Coaxial-type speed change and foot brake mechanism |
-
2018
- 2018-03-20 CN CN201820374074.5U patent/CN207942924U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108297685A (en) * | 2018-03-20 | 2018-07-20 | 浙江中坚科技股份有限公司 | Coaxial-type speed change and foot brake mechanism |
| CN108297685B (en) * | 2018-03-20 | 2024-01-19 | 浙江中坚科技股份有限公司 | Coaxial speed-changing and foot brake mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181009 Effective date of abandoning: 20240119 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181009 Effective date of abandoning: 20240119 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |