CN110199685A - A kind of halting mechanism and grass trimmer - Google Patents
A kind of halting mechanism and grass trimmer Download PDFInfo
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- CN110199685A CN110199685A CN201910581171.0A CN201910581171A CN110199685A CN 110199685 A CN110199685 A CN 110199685A CN 201910581171 A CN201910581171 A CN 201910581171A CN 110199685 A CN110199685 A CN 110199685A
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- pedal
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- rack
- halting mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 85
- 244000025254 Cannabis sativa Species 0.000 title claims abstract description 42
- 230000006835 compression Effects 0.000 claims description 25
- 238000007906 compression Methods 0.000 claims description 25
- 238000000926 separation method Methods 0.000 claims description 2
- 230000005484 gravity Effects 0.000 abstract description 2
- 230000001960 triggered effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01D—HARVESTING; MOWING
- A01D67/00—Undercarriages or frames specially adapted for harvesters or mowers; Mechanisms for adjusting the frame; Platforms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
- B62K11/00—Motorcycles, engine-assisted cycles or motor scooters with one or two wheels
- B62K11/007—Automatic balancing machines with single main ground engaging wheel or coaxial wheels supporting a rider
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62L—BRAKES SPECIALLY ADAPTED FOR CYCLES
- B62L3/00—Brake-actuating mechanisms; Arrangements thereof
- B62L3/04—Brake-actuating mechanisms; Arrangements thereof for control by a foot lever
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Braking Elements And Transmission Devices (AREA)
Abstract
The invention discloses a kind of halting mechanism and grass trimmers, are related to graden machine technical field.The halting mechanism includes rack and the walking mechanism for being movably connected on the rack, reducible Working pedal and brake member are provided in the rack, the Working pedal is configured as: when trampling the Working pedal, the Working pedal moves and the brake member is driven to separate with the walking mechanism, to allow the relatively described gantry motion of the walking mechanism；When the Working pedal resets, the brake member resets and pushes against the walking mechanism, to prevent the relatively described gantry motion of the walking mechanism.The halting mechanism relies on operator's gravity, and parking is triggered or unlocked with foot, operator's hand is not needed or bends over to operate, more convenient operation is laborsaving.
Description
Technical field
The present invention relates to graden machine technical field more particularly to a kind of halting mechanisms and grass trimmer.
Background technique
Raising with people to quality of the life and environmental requirement, in greening environment the repairing on lawn it is increasingly beautiful with it is fine
Change, therefore, miscellaneous grass trimmer is widely used in the repair work of lawn.Stand-type and Straddle riding type grass trimmer, by
In cutting efficiency height, operation is reliable, is gradually favored by market.
For stand-type or Straddle riding type grass trimmer, consider that the type grass trimmer must for specific operating condition and safety etc.
Halting mechanism must be provided with.Most of halting mechanism common at present positions parking using manual operation, such as bolt-type.Bolt
Parking function may be implemented in formula structure, but inconvenient for operation, and laborious.
Therefore, a kind of halting mechanism and grass trimmer are needed to simplify parking operation.
Summary of the invention
An object of the present invention is to provide a kind of halting mechanism, user is not required to hand or bends over to operate when parking, grasps
It is convenient, laborsaving to make.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of halting mechanism including rack and is movably connected on the walking mechanism of the rack, is arranged in the rack
There are reducible Working pedal and brake member, the Working pedal is configured as:
When trampling the Working pedal, the Working pedal moves and drives the brake member and the walking mechanism point
From to allow the relatively described gantry motion of the walking mechanism；When the Working pedal resets, the brake member is resetted and is pushed against
The walking mechanism, to prevent the relatively described gantry motion of the walking mechanism.
Wherein, the Working pedal is connect with the gantry rotation, when trampling the Working pedal, the Working pedal energy
Enough compress the brake member.
Wherein, the halting mechanism further includes compression bar, and the compression bar is connect with the brake member, tramples the Working pedal
When, the Working pedal can compress the compression bar.
Wherein, the walking mechanism includes traveling wheel, and the brake member is to cooperate with the circumferential surface of the wheel shaft of the traveling wheel
Arc-shaped workpiece.
Wherein, dynamic clamping head and quiet clamping head is provided between the Working pedal and the rack.
Wherein, the halting mechanism further includes accessory pedal.
Wherein, the halting mechanism further include:
Lock set is solved, the solution lock set is configured as that the brake member is driven to separate with the walking mechanism and prevents institute
State brake member reset.
Wherein, the solution lock set includes:
Reducible unlock pedal, the unlock pedal is flexibly connected with the rack, and connects the brake member；And
Closing piece, the closing piece are flexibly connected with the rack；
When trampling the unlock pedal, brake member described in the unlock pedal-driven is separated with the walking mechanism, and institute
It states unlock pedal and is prevented to reset by the closing piece.
Wherein, the closing piece can reset, and when trampling the unlock pedal, the unlock pedal can drive the closing piece to move
It is dynamic, and the unlock pedal can be prevented to reset after closing piece reset.
Wherein, it is provided with the first guide surface and lock slots on the closing piece, is provided with the first guiding on the unlock pedal
Block, when trampling the unlock pedal, first guide pad is slided along first guide surface and is caught in the lock slots.
Wherein, it is provided with the second guide pad on the Working pedal, the second guide surface is provided on the closing piece, tramples institute
When stating Working pedal, second guide pad is slided along second guide surface, so that first guide pad is detached from the lock
Determine slot.
Wherein, first guide surface and/or second guide surface are inclined-plane.
Wherein, guide groove is provided on the brake member；
Guide post is provided in the rack, the guide post is arranged in the guide groove.
Wherein, the brake member is connect with the gantry rotation, and the guide groove is with the center of rotation of the brake member
For the arc groove in the center of circle.
It is another object of the present invention to propose a kind of grass trimmer, user is not required to hand or bends over to operate when parking, grasps
It is convenient, laborsaving to make.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of grass trimmer, including above-mentioned halting mechanism.
Beneficial effects of the present invention:
The present invention provides a kind of halting mechanism and grass trimmers.In the halting mechanism, when not trampling Working pedal, brake member
Walking mechanism is pushed against, prevents walking mechanism with respect to gantry motion, to realize parking.When trampling Working pedal, brake member with
Walking mechanism separation, traveling wheel can release parked state with respect to gantry motion.The halting mechanism relies on operator's gravity, uses
Foot triggering or unlock parking, do not need operator's hand or bend over to operate, more convenient operation is laborsaving.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of halting mechanism provided by the invention；
Fig. 2 is the main view of halting mechanism provided by the invention；
Fig. 3 is the motion process schematic diagram one of Working pedal and brake member in halting mechanism provided by the invention；
Fig. 4 is the motion process schematic diagram two of Working pedal and brake member in halting mechanism provided by the invention；
Fig. 5 is two operating position schematic diagrames of Working pedal in halting mechanism provided by the invention；
Structural schematic diagram when Fig. 6 is the unassembled traveling wheel in halting mechanism side provided by the invention；
Fig. 7 is the main view of the part-structure of halting mechanism provided by the invention；
Fig. 8 is the structural schematic diagram saved behind chassis in Fig. 6；
Fig. 9 is the partial enlarged view in Fig. 6 at A；
Figure 10 is Working pedal in halting mechanism provided by the invention, the structural representation after brake member reconciliation lock set cooperation
Figure；
Figure 11 is the main view of Figure 10；
Figure 12 is the cross-sectional view of Figure 10；
Figure 13 is Working pedal in halting mechanism provided by the invention, the part-structure after brake member reconciliation lock set cooperation
Schematic diagram；
Figure 14 is the structural schematic diagram of closing piece in halting mechanism provided by the invention；
Figure 15 is the side view of Working pedal in halting mechanism provided by the invention；
Figure 16 is the main view of closing piece in halting mechanism provided by the invention.
100, halting mechanism；
1, rack；11, pedal base；111, escape groove；12, chassis；121, compression bar；122, guide post；2, traveling wheel；3, work
Make pedal；31, the second guide pad；32, abutting part；4, brake member；41, guide groove；42, shaft；5, accessory pedal；6, unlock group
Part；611, the first plate；612, the second plate；613, the first guide pad；62, closing piece；621, the first guide surface；622, the second guiding
Face；623, lock slots；7, protective cover；81, the first dynamic clamping head and quiet clamping head；82, third dynamic clamping head and quiet clamping head；83, the second dynamic clamping head and quiet clamping head；
84, the 4th dynamic clamping head and quiet clamping head.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of embodiment is shown in the accompanying drawings, wherein identical from beginning to end
Or similar label indicates same or similar element or element with the same or similar functions.It is retouched below with reference to attached drawing
The embodiment stated is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second " are only
For descriptive purposes, it is not understood to indicate or imply relative importance.Wherein, term " first position " and " second position "
For two different positions.
Unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense,
For example, it may be being fixedly connected, may be a detachable connection；It can be mechanical connection, be also possible to be electrically connected；It can be straight
It connects connected, the connection inside two elements or the phase interaction of two elements can also be can be indirectly connected through an intermediary
With relationship.For the ordinary skill in the art, it can understand above-mentioned term in the present invention as the case may be
Concrete meaning.
Unless otherwise clearly defined and limited, fisrt feature second feature "upper" or "lower" may include first
Feature and second feature directly contact, also may include fisrt feature and second feature be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature includes that fisrt feature exists above the second feature " above ", " above " and " above "
Right above second feature and oblique upper, or first feature horizontal height is merely representative of higher than second feature.Fisrt feature is second
Feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of first
Characteristic level height is less than second feature.
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
A kind of grass trimmer is present embodiments provided, grass trimmer can be stand-type grass trimmer or Straddle riding type grass trimmer.It stands
Formula grass trimmer and Straddle riding type grass trimmer are provided with walking mechanism, and when correcting lawn, operator stands or is seated on grass trimmer, with
Grass trimmer moves together, does not need that grass trimmer is followed to walk about, and advantageously reduces the labor intensity of operator, and more convenient operation saves
Power.
Optionally, walking mechanism may include traveling wheel, and by the rotation of traveling wheel, band motor mower is mobile.Vehicle with walking machine
Structure can also use track structure.To avoid grass cuttings from being involved in inside halting mechanism, protective cover is covered with outside each traveling wheel 2
7, protective cover 7 is connect with rack 1, can be involved between traveling wheel 2 and rack 1 to avoid grass cuttings, guarantees that traveling wheel 2 can smoothly turn
It is dynamic.
For the safety and work requirements for improving stand-type grass trimmer or Straddle riding type grass trimmer, grass trimmer further includes staying
Mechanism of car guarantees operator's safety for preventing walking mechanism from moving.In the prior art, halting mechanism generally uses bolt-type
Structure.When parking, operator needs that bolt is inserted into designated position manually, and since grass trimmer height is generally lower, operator is needed
Squat down or bend over, it is inconvenient and laborious, can not timely parking, there are certain security risks.
To solve the above problems, present embodiments providing a kind of easy to operate, laborsaving and quick halting mechanism.Such as Fig. 1
With shown in Fig. 2, halting mechanism includes that rack 1, the traveling wheel 2 being rotatablely connected with rack 1 and the work being set in rack 1 are stepped on
Plate 3 and brake member 4, brake member 4 are used to brake traveling wheel 2.Working pedal 3 is flexibly connected with rack 1, is stepped on by trampling work
Plate 3, the relative position of adjustable Working pedal 3 and rack 1, so as to adjust the position of brake member 4, to trigger or release brake
Braking of the vehicle part 4 to traveling wheel 2.
In the present embodiment, operator can trigger or release braking of the brake member 4 to traveling wheel 2 with foot, without being grasped with hand
Make, squat down or bends over, it is more convenient operation, laborsaving, it the triggering of parking and releases more rapidly, is conducive to timely parking, improves safety
Performance.
Specifically, one end of Working pedal 3 and rack 1 are rotatablely connected, the other end can driving brake part 4 it is mobile, pass through
The angle between adjustment Working pedal 3 and rack 1 is trampled, so as to adjust the position of brake member 4.By the connection type of rotation,
It can make Working pedal 3 that there is the impetus contacted with rack 1 always, be conducive to the stability for improving Working pedal 3.
Optionally, the first dynamic clamping head and quiet clamping head 81 is provided between Working pedal 3 and rack 1.As shown in Figures 2 and 3, natural
Under state, Working pedal 3 is under the action of the first dynamic clamping head and quiet clamping head 81, along rotating in an anti-clockwise direction shown in Fig. 3, so that work is stepped on
Plate 3 is located at first position a shown in Fig. 5, and the angle between Working pedal 3 and rack 1 is relatively large, at this point, brake member 4 resets simultaneously
It pushes against, is rotated by friction power limit traveling wheel 2 between the two relative to rack 1, to realize parking with traveling wheel 2.Such as Fig. 4
Shown, when operator uses grass trimmer, operator stands or is sitting on grass trimmer, and foot tramples Working pedal 3, so that work is stepped on
Plate 3 overcomes the active force of the first dynamic clamping head and quiet clamping head 81, along shown in Fig. 4 rotationally clockwise so that Working pedal 3 is located at Fig. 5
Shown second position b, the angle between Working pedal 3 and rack 1 become smaller, at this point, Working pedal 3 will compress brake member 4 downwards,
So that brake member 4 separates under the action of compressing power with traveling wheel 2, traveling wheel 2 can be rotated relative to rack 1, to release system
Dynamic, traveling wheel 2 can be mobile with motor mower, to correct lawn.
Optionally, the first dynamic clamping head and quiet clamping head 81 can be spring.To improve the stability that Working pedal 3 resets, the first bullet
Property return unit 81 can be set it is multiple so that Working pedal 3 is more uniformly stressed.
In the present embodiment, when using grass trimmer, operator tramples naturally can release braking on Working pedal 3, stop
When work, the foot of operator lifts rear Working pedal 3 and resets, and can realize braking naturally, is not necessarily to complex operations, and operation is simpler,
It is laborsaving, be conducive to the usage experience for improving user.
As shown in Figure 3 and Figure 4, brake member 4 can be the arc-shaped workpiece with the cooperation of the circumferential surface of the wheel shaft of traveling wheel 2.Work as brake
When part 4 and traveling wheel 2 push against, brake member 4 and the wheel shaft of traveling wheel 2 can be made to come into full contact with, improve frictional force, stayed to improve
Vehicle effect.In other embodiments, brake member 4 or other shapes, as long as may be implemented to brake traveling wheel 2.
Optionally, one end of brake member 4 can be rotatablely connected by shaft 42 and rack 1, and the other end is used for Working pedal 3
It abuts.When Working pedal 3 rotates, brake member 4 is driven to rotate.Brake member 4 and rack 1 are rotatablely connected, can be improved brake member 4 with
The position precision of wheel shaft, when Working pedal 3 is trampled in guarantee, brake member 4 can accurately be placed on the outer peripheral surface of wheel shaft, to make parking
Effect is more reliable.
In other embodiments, Working pedal 3 can be slidably connected with rack 1, along the vertical direction by Working pedal 3
Lifting drives the lifting of brake member 4, thus triggering or releasing parking.
As shown in fig. 6, rack 1 includes pedal base 11 and chassis 12, pedal base 11 is arranged on chassis 12.Pedal base 11
For installment work pedal 3, one end of Working pedal 3 is rotatablely connected by axis and pedal base 11, and the first dynamic clamping head and quiet clamping head 81 is set
It is placed between pedal base 11 and Working pedal 3, is resetted for Working pedal 3.Traveling wheel 2 and chassis 12 are rotatablely connected, with driving
Grass trimmer is mobile.
To cooperate brake member 4 preferably with traveling wheel 2, the outside on chassis 12 is arranged in brake member 4.To make Working pedal
3 can driving brake part 4 it is mobile, as shown in fig. 7, grass trimmer further includes compression bar 121, compression bar 121 is set under Working pedal 3
Side, and connect with brake member 4.When trampling Working pedal 3, Working pedal 3 is rotated down and is abutted with compression bar 121, and work is stepped on
Plate 3 continues to rotate down and compression bar 121 is driven to move down, so that brake member 4 rotates under the action of compression bar 121 relative to rack 1, with
It is detached from the wheel shaft of traveling wheel 2, and then releases braking.
As described in Figure 8, in order to avoid pedal base 11 interferes Working pedal 3, escape groove 111, work are provided on pedal base 11
The bottom for making pedal 3 is provided with abutting part 32, and abutting part 32 can move in escape groove 111.When trampling Working pedal 3,
Abutting part 32 passes through escape groove 111, to abut with compression bar 121, to drive brake member 4 mobile.
In the present embodiment, halting mechanism includes two traveling wheels 2, and each traveling wheel 2 is correspondingly arranged on a brake member
4, two brake members 4 are connected by compression bar 121, to improve the synchronism of two brake members 4.
As shown in figure 9, being also provided with guide post 122 on chassis 12, accordingly, guide groove is provided on brake member 4
41, guide post 122 can extend into guide groove 41 and respective guide slot 41 slides.By the way that guide groove 41 and guide post 122 is arranged,
Be conducive to improve the stability and reliability when brake member 4 rotates.
Optionally, guide groove 41 can be using the center of rotation of brake member 4 as the arc groove in the center of circle, to avoid guide post
122 and guide groove 41 cooperation interference brake member 4 movement.
Grass trimmer is in some cases, it is desirable to of short duration parking, such as at great slope, to avoid operator by grass trimmer
On get off, as shown in Figure 1 and Figure 5, halting mechanism further includes accessory pedal 5.Accessory pedal 5 can be set in rack 1, work as behaviour
When author needs of short duration parking, foot can be moved on accessory pedal 5, without leaving grass trimmer, more convenient operation.It is optional
Ground, accessory pedal 5 can be integrally formed with chassis 12, reduce the parts count of halting mechanism, easy to process and assembly.
When grass trimmer does not power on or needs mobile under not open state, in order to release parked state, parking machine
Structure further includes solution lock set 6, and solution lock set 6 can be separated with driving brake part 4 with traveling wheel 2, and prevent brake member 4 automatically multiple
Position, to automatically keep the state for releasing parking.
As shown in Fig. 1 and Figure 10, solution lock set 6 includes the unlock pedal that can be resetted, and unlock pedal and 1 activity of rack are even
It connects, and connects brake member 4.Can be mobile with driving brake part 4 by trampling unlock pedal, so that brake member 4 divides with traveling wheel 2
From.
Optionally, unlock pedal can be rotatablely connected with rack 1, and unlock pedal can connect brake member by compression bar 121
4.When trampling unlock pedal, unlock pedal is rotated with respect to rack 1, drives the movement of compression bar 121, to drive brake member 4 to remote
Direction from traveling wheel 2 is mobile, to release parked state.
As shown in Figure 10 and Figure 11, unlock pedal includes the first plate 611 and the second plate 612 of rotation connection, the first plate 611
One end and rack 1 be rotatablely connected, the other end be rotatablely connected the second plate 612, the second plate 612 connect compression bar 121, compression bar 121 connect
Connect brake member 4.In the present embodiment, the one end of the first plate 611 far from the second plate 612 and chassis 12 are rotatablely connected, the first plate 611 with
The second dynamic clamping head and quiet clamping head is provided between chassis 12, the second dynamic clamping head and quiet clamping head 83 drives the first plate 611 to be rotated up.Such as Figure 12 institute
Show, when trampling the first plate 611, the first plate 611 compresses the second dynamic clamping head and quiet clamping head, so that the opposite rack 1 of the first plate 611 turns downwards
It is dynamic.It is mobile that first plate 611 drives the second plate 612, so that compression bar 121 be pulled down, and then drives brake member 4 mobile, to make to stop
Vehicle part 4 is separated with traveling wheel 2, releases parked state.Optionally, the second dynamic clamping head and quiet clamping head 83 can be spring.Using unlock
When pedal releases parked state, the position of Working pedal 3 is constant.
When mobile due to grass trimmer, the foot of operator can not trample unlock pedal always, in order to be able to maintain brake member 4
The state isolated with traveling wheel 2, solution lock set 6 further includes closing piece 62, and closing piece 62 is flexibly connected with rack 1, and unlock pedal can
It is prevented to reset by closing piece 62.Specifically, when trampling unlock pedal, unlock pedal can drive closing piece 62 mobile relative to rack 1,
And closing piece 62 reset after be located at designated position, to prevent unlock pedal from resetting, so that brake member 4 be made to be able to maintain and traveling wheel
2 isolated states, so that operator can smoothly move grass trimmer in the case where not starting grass trimmer.
As illustrated in figures 11 and 13, closing piece 62 is slidably connected with chassis 12, is provided with third between closing piece 62 and chassis 12
Dynamic clamping head and quiet clamping head 82, third dynamic clamping head and quiet clamping head 82 drive closing piece 62 to the direction movement close to unlock pedal.It is arranged on closing piece 62
There are the first guide surface 621 and lock slots 623, unlocks and be provided with the first guide pad 613 on pedal.Optionally, the first guide pad 613
It is set on the first plate 611.Under natural conditions, the first guide pad 613 is abutted with the first guide surface 621.When trampling the first plate 611
When, the first plate 611 is rotated relative to rack 1, and the first guide pad 613 will be slided along the first guide surface 621.When the first plate 611 rotates
When brake member 4 being driven to separate with traveling wheel 2, the first guide pad 613 slides into lock slots 623 under the guidance of the first guide surface 621,
Closing piece 62 is able to maintain the state that the first guide pad 613 is located at lock slots 623 under the action of third dynamic clamping head and quiet clamping head 82, from
And fix closing piece 62 and the position of the first plate 611, and then the position of fixed brake member 4, so that driving mechanism is maintained at releasing
The state of parking.
In the present embodiment, for the direction shown in Figure 13, closing piece 62 can horizontally slip with respect to rack 1, the first guide surface
621 inclined-plane from top to bottom to extend to the direction close to the first plate 611.Lock slots 623 are located under the first guide surface 621
Side.When first plate 611 rotates, the first guide pad 613 is along 621 slide downward of the first guide surface, so that closing piece 62 overcomes third bullet
Property return unit 82 Slideslip to the left.When the first guide pad 613 is detached from the first guide surface 621, closing piece 62 is no longer by the first guiding
The active force of block 613, closing piece 62 will under the action of third dynamic clamping head and quiet clamping head 82 Slideslip to the right so that the first guide pad 613
It extend into lock slots 623, the top of the first guide pad 613 is abutted with lock slots 623, prevents the first plate 611 in the second elasticity
It is resetted under the action of return unit 83, so that the position of the first plate 611 of locking, realizes the locking to 4 position of brake member.
Optionally, lock slots 623 can be the notch being arranged on closing piece 62, as long as the first plate 611 can be prevented
It is resetted under the action of two dynamic clamping head and quiet clamping heads.
After grass trimmer is moved to designated position, need that grass trimmer is made to reenter parked state, thus, it is also necessary to release
The locking of 62 pairs of closing piece unlock pedals.Optionally, the bottom surface of Working pedal 3 is additionally provided with the second guide pad 31, sets on closing piece 62
It is equipped with the second guide surface 622.When needing to enter parked state, operator can be by trampling Working pedal 3, so that second leads
It is slided to block 31 along the second guide surface 622, driving closing piece 62 continues to overcome 82 active force of third dynamic clamping head and quiet clamping head to far from unlock
The direction of pedal is slided, so that the first guide pad 613 is detached from lock slots 623, so that unlock pedal can be in the second elastic reset
Under the action of part 83, automatically reset.While unlocking pedal reset, drives brake member 4 to reset by compression bar 121, stayed with entering
Car state.After unclamping Working pedal 3, Working pedal 3 resets under the action of the first dynamic clamping head and quiet clamping head 81.Optionally, brake member 4
Reset can by unlock pedal realize, in order to more preferably guarantee the reset of brake member 4, as shown in figure 9, brake member 4 and chassis
The 4th dynamic clamping head and quiet clamping head 84 is also provided between 12, the 4th dynamic clamping head and quiet clamping head 84 can cooperate with the second dynamic clamping head and quiet clamping head 83
Realize the reset of brake member 4.Optionally, the 4th dynamic clamping head and quiet clamping head 84 can be tension spring.
As shown in Figure 13 and Figure 14, the second guide surface 622 is from top to bottom to the oblique of the direction extension close to unlock pedal
Face, when trampling Working pedal 3, the second guide pad 31 applies along 622 slide downward of the second guide surface, and to the second guide surface 622
Active force, so that closing piece 62 overcomes the Slideslip to the left of third dynamic clamping head and quiet clamping head 82.After first guide pad 613 is detached from lock slots 623,
First plate 611 opposite rack 1 will be rotated up under the action of the second dynamic clamping head and quiet clamping head 83, and the first guide pad 613 will be along first
Guide surface 621 slides to the left, so that closing piece 62 overcomes the active force of third dynamic clamping head and quiet clamping head 82.
As shown in figure 15, the second guide pad 31 can be extended by the bottom surface of abutting part 32, so that Working pedal 3 is compressing pressure
When bar 121, the leading flank of the bottom surface of abutting part 32 and the second guide pad 31 can be abutted with compression bar 121, improve abutting part 32
With the contact effect of compression bar 121, be conducive to the reliability for improving halting mechanism.
Since compression bar 121 is connect with unlock pedal, when releasing parked state by trampling Working pedal 3, compression bar 121 is inevitable
Drive unlock pedal mobile, in order to avoid when unclamping Working pedal 3, closing piece 62 will unlock pedal and lock and keep releasing parking
State, the moving distance of closing piece 62 is greater than the first guide pad 613 along the when the second guide pad 31 is slided along the second guide surface 622
The moving distance of closing piece 62 when one guide surface 621 slides.
Specifically, it is stood with operator in Working pedal 3, the second guide pad 31 slides into the bottom of the second guide surface 622
For end, as shown in figure 16, the distance that closing piece 62 moves when the second guide pad 31 is slided along the second guide surface 622 is H, and first leads
The distance for pushing closing piece 62 to move when sliding to block 613 along the first guide surface 621 is h, wherein H is greater than h.
When trampling Working pedal 3 makes brake member 4 be detached from traveling wheel 2, the second guide pad 31 is sliding along the second guide surface 622
It is dynamic, and push closing piece 62 to left slide shown in Figure 13, the moving distance of closing piece 62 is H at this time, so that the first guide pad 613 is
Through being detached from the first guide surface 621, because H is greater than h, the first guide pad 613 and the setting of the interval of closing piece 62, so that the first guide pad 613
It can not extend into 623 in lock slots, closing piece 62 will not lock the position of unlock pedal.When unclamping Working pedal 3, compression bar 121
Power is no longer compressed, unlock pedal will reset under the action of the second dynamic clamping head and quiet clamping head 83, and drive brake member by compression bar 121
4 reset, and into parked state, closing piece 62 also can reset Slideslip to the right under the action of third dynamic clamping head and quiet clamping head 82, so that the
One guide pad 613 is abutted with the first guide surface 621.
Optionally, the gradient of the first guide surface 621 and the second guide surface 622 may be the same or different, as long as guaranteeing
The moving distance of closing piece 62 is greater than the first guide pad 613 along the first guiding when second guide pad 31 is slided along the second guide surface 622
The moving distance of closing piece 62 when face 621 is slided.
The above is only a preferred embodiment of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (15)
1. a kind of halting mechanism, including rack (1) and it is movably connected on the walking mechanism of the rack (1), which is characterized in that
Reducible Working pedal (3) and brake member (4) are provided on the rack (1), the Working pedal (3) is configured as:
When trampling the Working pedal (3), the Working pedal (3) moves and drives the brake member (4) and the vehicle with walking machine
Structure separation, to allow relatively described rack (1) movement of the walking mechanism；When the Working pedal (3) resets, the brake member
(4) walking mechanism is resetted and pushes against, to prevent relatively described rack (1) movement of the walking mechanism.
2. halting mechanism as described in claim 1, which is characterized in that the Working pedal (3) and the rack (1) rotation connect
It connects, when trampling the Working pedal (3), the Working pedal (3) can compress the brake member (4).
3. halting mechanism as claimed in claim 2, which is characterized in that the halting mechanism further includes compression bar (121), the pressure
Bar (121) is connect with the brake member (4), and when trampling the Working pedal (3), the Working pedal (3) can compress described
Compression bar (121).
4. halting mechanism as described in claim 1, which is characterized in that the walking mechanism includes traveling wheel (2), the brake
Part (4) is the arc-shaped workpiece cooperated with the circumferential surface of the wheel shaft of the traveling wheel (2).
5. halting mechanism as described in claim 1, which is characterized in that be arranged between the Working pedal (3) and the rack (1)
Flexible return unit.
6. halting mechanism according to any one of claims 1 to 5, which is characterized in that the halting mechanism further includes that auxiliary is stepped on
Plate (5).
7. halting mechanism according to any one of claims 1 to 5, which is characterized in that the halting mechanism further include:
It solves lock set (6), the solution lock set (6) is configured as that the brake member (4) is driven to separate simultaneously with the walking mechanism
The brake member (4) are prevented to reset.
8. halting mechanism as claimed in claim 7, which is characterized in that the solution lock set (6) includes:
Reducible unlock pedal, the unlock pedal are flexibly connected with the rack (1), and connect the brake member (4)；And
Closing piece (62), the closing piece (62) are flexibly connected with the rack (1)；
When trampling the unlock pedal, brake member (4) described in the unlock pedal-driven is separated with the walking mechanism, and described
It unlocks pedal and is prevented to reset by the closing piece (62).
9. halting mechanism as claimed in claim 8, which is characterized in that the closing piece (62) can reset, and trample the unlock and step on
When plate, the unlock pedal can drive the closing piece (62) mobile, and can prevent the solution after the closing piece (62) reset
Pedal is locked to reset.
10. halting mechanism as claimed in claim 8, which is characterized in that be provided with the first guide surface on the closing piece (62)
(621) and lock slots (623) the first guide pad (613), are provided on the unlock pedal, when trampling the unlock pedal, institute
The first guide pad (613) is stated to slide and be caught in the lock slots (623) along first guide surface (621).
11. halting mechanism as claimed in claim 10, which is characterized in that be provided with the second guiding on the Working pedal (3)
Block (31) is provided with the second guide surface (622) on the closing piece (62), when trampling the Working pedal (3), second guiding
Block (31) is slided along second guide surface (622), so that first guide pad (613) is detached from the lock slots (623).
12. halting mechanism as claimed in claim 11, which is characterized in that first guide surface (621) and/or described second
Guide surface (622) is inclined-plane.
13. halting mechanism as claimed in claim 8, which is characterized in that be provided with guide groove (41) on the brake member (4)；
It is provided with guide post (122) on the rack (1), the guide post (122) is arranged in the guide groove (41).
14. halting mechanism as claimed in claim 13, which is characterized in that the brake member (4) and the rack (1) rotation connect
It connects, the guide groove (41) is using the center of rotation of the brake member (4) as the arc groove in the center of circle.
15. a kind of grass trimmer, which is characterized in that including the halting mechanism as described in any one of claim 1-14.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581171.0A CN110199685A (en) | 2019-06-29 | 2019-06-29 | A kind of halting mechanism and grass trimmer |
| PCT/CN2019/114123 WO2021000468A1 (en) | 2019-06-29 | 2019-10-29 | Parking brake mechanism and mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910581171.0A CN110199685A (en) | 2019-06-29 | 2019-06-29 | A kind of halting mechanism and grass trimmer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110199685A true CN110199685A (en) | 2019-09-06 |
Family
ID=67795469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910581171.0A Pending CN110199685A (en) | 2019-06-29 | 2019-06-29 | A kind of halting mechanism and grass trimmer |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110199685A (en) |
| WO (1) | WO2021000468A1 (en) |
Cited By (4)
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| CN110509233A (en) * | 2019-09-17 | 2019-11-29 | 常州格力博有限公司 | Work package lifting device and garden instrument |
| CN111839852A (en) * | 2020-06-27 | 2020-10-30 | 吴岩 | Multi-azimuth following type moving mechanism for fat explosion instrument and weight losing device |
| WO2021000468A1 (en) * | 2019-06-29 | 2021-01-07 | 苏州金莱克精密机械有限公司 | Parking brake mechanism and mower |
| EP4019346A3 (en) * | 2020-12-26 | 2022-07-20 | Globe (Jiangsu) Co., Ltd. | Work vehicle |
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| Publication number | Publication date |
|---|---|
| WO2021000468A1 (en) | 2021-01-07 |
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