CN209482888U - Foldable locking device for power assist vehicle - Google Patents

Abstract

The utility model discloses a kind of foldable locking devices for power assist vehicle, comprising: lock frame, one end of the lock frame, which is recessed inwardly, is formed with the first fore shaft；Stop component and bolt component, it is disposed adjacently one end in lock frame, the stop component includes the block for being rotatably arranged in lock frame and having reset trend, the first driving lever for being connected to outside lock frame and opposite capable of locking frame and move is provided on the block, the bolt component includes the lock tongue for being rotatably arranged in lock frame and having reset trend, it is provided with the second driving lever on the lock tongue, the second fore shaft is formed on the lock tongue；It is characterized by also including the executing agencies that the lock frame other end is arranged in, the executing agency includes motor, the screw rod being driven by motor and the silk braid being arranged on screw rod, and the silk braid can act on the first driving lever or the second driving lever, change lock state to drive block or closing piece to rotate with moving linearly between first driving lever and the second driving lever.

Description

Foldable locking device for power assist vehicle

Technical field

The utility model relates to the vehicles, especially a kind of foldable locking device for power assist vehicle.

Background technique

With urban transportation is more and more crowded and vehicle exhaust discharge quantity it is increasing, people increasingly tend to Use the light and environmentally friendly vehicles.Simultaneously as the improvement of people's living standards, work and life tempo increase, especially The fast pace life in the line city for being, in order to adapt to allegro life, people will use power assist vehicle as walking-replacing tool, help Many advantages, such as motor-car is easy to carry, environmentally friendly due to its.

That there are overall structures is complex for common three-wheel power assist vehicle, most not foldable, and occupied space is big when storage, It is not readily portable.For this purpose, there is now many folding power assist vehicles.Such as application No. is 201721714453.6 Chinese patents A kind of disclosed electric motor bicycle with folding is tricycle structure, and rear wheel support is set to body understructure rear end, and seat support is hinged on vehicle body Chassis upper back；Handle brackets are telescopic rod, and handlebar is hinged on telescopic rod upper end；The articulated section of body understructure is hinged on handle Bracket lower part；Body understructure is divided into head and the tail and intersects hinged left chassis and right chassis；Seat support is telescopic frame, Inside middle portion is equipped with flap(up) seat and stow-away arm rest；For another example one kind disclosed in the Chinese patent application No. is 201420290342.7 Folding electric bicycle, by front frame, Rear frame, headstock, supporting mechanism, handrail, the chair back, seat, chair back handle, guiding The composition such as wheel, rear-wheel, battery, under the upward lifting effect of handle, front and back pedal supports under pin axis rotary folding, headstock Pipe is pivoted, and support tube is taken in lower support tube on headstock, and headstock and upper support tube are rotated around pin axis, the chair back external force to It is rotated around the shaft under lower effect, supporting mechanism is rotated around pin axis relative to back pedal, the spaced winding pin of seat and support construction Axis rotation；For another example six folding of one kind, one mini domestic type electric vehicle disclosed in the Chinese patent application No. is 201620364217.5, Including the mobile mobile control unit of car body, control car body and control the braking control unit of vehicle body braking, car body include chassis, Main backstop, back rest, seat frame, former riding grillage, front support turning member and for car body fold after prevent car body from surprisingly opening up The lock buckling part opened.

Above-mentioned folding power assist vehicle, when need store fold when, it is necessary to manually operate associated components and incite somebody to action Vehicle body folds, and not only step is more, operates and is more troublesome, and does not have to or after the completion of folding only with simple mechanical locking portions Part locking, causes folded state unstable.

Utility model content

Technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing a kind of raising The foldable locking device for power assist vehicle of folded state stability and convenience.

Technical solution adopted by the utility model to solve the above technical problems is as follows: a kind of foldable locking for power assist vehicle Device, comprising:

Frame is locked, one end of the lock frame, which is recessed inwardly, is formed with the first fore shaft；

Stop component and bolt component, are disposed adjacently one end in lock frame, and the stop component includes rotationally setting It sets to be provided with to be connected to outside lock frame and opposite can lock frame on the block for locking in frame and having reset trend, the block and transport The first dynamic driving lever, the bolt component include the lock tongue for being rotatably arranged in lock frame and having reset trend, the lock tongue On be provided with the second driving lever, the second fore shaft is formed on the lock tongue；It is characterized by:

It further include the executing agency that the lock frame other end is set, the executing agency includes motor, the silk being driven by motor Bar and the silk braid being arranged on screw rod, the silk braid can act on moving linearly between first driving lever and the second driving lever First driving lever or the second driving lever change lock state to drive block or closing piece to rotate.

For the operating convenient for automatic control motor, the bolt component further includes the first salient point being arranged on lock tongue and Two salient points are provided with the first microswitch and the second microswitch, first salient point and the first microswitch in the lock frame Cooperation, second salient point and the cooperation of the second microswitch, first microswitch and the second microswitch are and motor.

To be provided with support frame, first microswitch and second in the lock frame convenient for two microswitches are arranged Microswitch is respectively provided on the support frame.

For convenient for block and lock tongue is rotationally arranged, compartment of terrain offers perforative first positioning shaft hole on support frame as described above With the second positioning shaft hole, the first locating shaft is provided on the block, is provided with the second locating shaft on the lock tongue, described first Locating shaft is each passed through lock frame and the first positioning shaft hole on support frame and block is rotatably arranged in lock frame, and described the Two locating shafts are each passed through lock frame and the second positioning shaft hole on support frame and lock tongue are rotatably arranged in lock frame.

It dashes forward to be able to maintain in different state, the block convenient for locking mechanism close to the side of lock tongue, towards lock tongue It is formed with the first butting section out, is formed with the second butting section and the close to the side of block, towards block is prominent on the lock tongue Three butting sections；First butting section and the second butting section can limit lock tongue against each other and open rotation to locking direction, described First butting section and third butting section, which can limit lock tongue against each other and rotate to opening direction, to be resetted.

It further include for providing the third microswitch of silk braid repositioning information to motor for the reset convenient for executing agency.

Compared with the prior art, the advantages of the utility model are: by the way that electronic executing agency is arranged come to locking machine Structure is operated, so that electronic structure is convenient for the operation of locking device, while can guarantee application to achieve the purpose that open locking When on power assist vehicle, power assist vehicle is avoided to loosen after the completion of folding.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the power assist vehicle of the embodiment of the present invention；

Fig. 2 is the structural schematic diagram (seeing from lower to upper) of the power assist vehicle of the embodiment of the present invention；

Fig. 3 is the schematic diagram of the foldable locking device of the power assist vehicle of the embodiment of the present invention；

Fig. 4 is the decomposition texture schematic diagram of the foldable locking device of Fig. 3；

Fig. 5 is the further decomposition texture schematic diagram (lock state) of the foldable locking device of Fig. 4；

Fig. 6 is the foldable locking device of Fig. 5 decomposition texture schematic diagram in the open state；

Fig. 7 is the folded state schematic diagram of the power assist vehicle of the embodiment of the present invention.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Referring to Fig. 1 and Fig. 2, a kind of power assist vehicle, including front truck is 1, preceding crossbeam 2, rear crossbeam 3, seat 4 and wheel, wherein The top of rear crossbeam 3 is arranged in the front end that preceding crossbeam 2 is arranged in 1 in front truck, seat 4, can between preceding crossbeam 2 and rear crossbeam 3 It is folded against, wheel include the driving wheel 51 of preceding 2 bottom end of crossbeam is set and be arranged in two of 3 rear side of rear crossbeam it is driven Wheel 52.

Front truck is respectively arranged with connecting rod 111 close to the two sides of bottom 1, and one end of each connecting rod 111 and front truck are fixed 1 It connects, is connected with connecting shaft 112 between the other end of two connecting rods 111.

Wherein, it is provided with power fold mechanism between the rear side of preceding crossbeam 2 and the front side of rear crossbeam 3, so as to preceding 2 He of crossbeam Crossbeam 3 can relatively fan-shaped folding or unlatching afterwards.

Power assist vehicle further includes front rod 81 and back link 82, wherein and there are two the tools of front rod 81, and the one of each front rod 81 End and front truck are rotatablely connected one end of the connecting shaft 112 on 1, the other end of each front rod 81 then with rear 3 bottom of crossbeam Front side rotation connection.There are two the tools of back link 82, and the rear side of one end of each back link 82 and preceding 2 bottom of crossbeam is rotatablely connected, The other end of each back link 82 is then rotatablely connected with seat 4.Seat 4 includes the chair back 41, seat station 42 and folding rod 43, is folded For bar 43 in curved rod-shaped, curved angle can be 90 ° or so, and curved position it is corresponding after crossbeam 3 rear end.Folding There are two the folded tools of bar 43, and one end is connected to the chair back 41 respectively, and the other end is then rotatablely connected with corresponding back link 82.Two foldings It is connected between bar 43 by synchronizing shaft 44.

When needing folded moped, so that downwardly rear crossbeam 3 rotates preceding crossbeam 2, preceding crossbeam 2 and rear crossbeam are pushed 3 jack up upwards at link position；In the rotation process of preceding crossbeam 2, front rod 81 is driven to act, thus pulls seat 4 Folding rod 43 is mobile towards preceding crossbeam 2, so that seat 4 be driven to rotate down；Meanwhile back link 82 is acted by rear 3 drive of crossbeam, Front truck is pulled to rotate down 1；During above-mentioned preceding crossbeam 2 and rear crossbeam 3 rotate, the receipts turbin generator of electronic Shou Lun mechanism 71 startings, rear-wheel 52 is shunk along the extending direction of casing 72, until connecting rod 73 is taken in casing 72, rear-wheel 52 is close to casing 72 end.Power assist vehicle after the completion of folding is referring to Fig. 7.

It is loosened to avoid folded power assist vehicle stress, is additionally provided with foldable locking device, front truck is the connecting shaft on 1 112 cooperate with foldable locking device.After the completion of power assist vehicle folding, connecting shaft 112 can be locked by foldable locking device 9.

Referring to Fig. 3~Fig. 6, the electricity that foldable locking device 9 is similar to automobile tail gate inhales lock, including executing agency and locking machine Structure, executing agency include motor 91, screw rod 92 and silk braid 93, further include cabinet 94, and above-mentioned screw rod 92 and silk braid 93 are arranged in case In body 94, and silk braid 93 extends outside cabinet 94.Motor 91 drives screw rod 92 to rotate, and thus may make silk braid 93 along screw rod 92 extending direction moves linearly.Executing agency further includes the third fine motion for being arranged on cabinet 94 and extending into cabinet 94 Switch 932, third microswitch 932 are used to cooperate with silk braid 93, be electrically connected with motor 91, and control letter can be exported to motor 91 Number.

Locking mechanism can use the prior art, as included lock frame 95, the support frame 96 in lock frame 95, stop component 97, bolt component 98 and lock box 99.

Wherein, lock frame 95 includes main lock frame 951 and secondary lock frame 952, and the two works in coordination and is formed with cavity therebetween, props up Support 96, stop component 97 and bolt component 98 are arranged in the cavity between main lock frame 951 and secondary lock frame 952.

Compartment of terrain offers perforative first positioning shaft hole 961 and the second positioning shaft hole 962 on support frame 96.

Stop component 97 includes block 971, is provided with the first locating shaft 972 and the first driving lever 973 on block 971.At this In embodiment, block 971 is located at support frame 96 towards the side of main lock frame 951, i.e. block 971 is located at support frame 96 and main lock frame Between 951 and far from secondary lock frame 952.One end of first locating shaft 972 and the rotation connection of main lock frame 951, the other end is from block 971 pass through after, again from the first positioning shaft hole 961 on support frame 96, so that block 971 is rotatably arranged at lock frame In 95.First driving lever 973 extends lock frame 95 (pair lock frame 952) outside, thus can outside locking mechanism to the first driving lever 973 into Row operation.Alternatively, can also on pair lock frame 952 aperture to contact the first driving lever 973.It can be outside lock frame 95 as long as making Operate the first driving lever 973.

Bolt component 98 includes lock tongue 981, and lock tongue 981 and block 971 are adjacent to arranged for interval.It is provided on lock tongue 981 Second locating shaft 982 and the second driving lever 983.In the present embodiment, lock tongue 981 is located at support frame 96 towards the one of main lock frame 951 Side, i.e. lock tongue 981 are located between support frame 96 and main lock frame 951 and far from secondary lock framves 952.One end of second locating shaft 982 with Main lock frame 951 is rotatablely connected, and the other end passes through after, again from the first positioning shaft hole 961 on support frame 96 from lock tongue 981, So that lock tongue 981 is rotatably arranged in lock frame 95.

First locating shaft 972 and the second locating shaft 982 can accordingly, be adjacently positioned, the first driving lever 973 and the second driving lever 983 in correspondence with each other, respectively close to two opposite sides of main lock frame 951.

First locating shaft, 972 periphery is provided with the first torsional spring (not shown), and one end of the first torsional spring is arranged in main lock frame 951 On, the first torsional spring makes block 971 remain the reset trend rotated towards 981 direction of lock tongue.Second locating shaft, 982 periphery It is provided with the second torsional spring (not shown), one end of the second torsional spring is arranged on main lock frame 951, and the second torsional spring protects lock tongue 981 Hold the reset trend for opening lock.The starting force that stop component 97 and bolt component 98 can interact always as a result,.

Bolt component 98 further includes the first salient point 984 and the second salient point 985 being arranged on lock tongue 981, on support frame 96 It is provided with the first microswitch 963 and the second microswitch 964, the first salient point 984 can cooperate with the first microswitch 963, Second salient point 985 can cooperate with the second microswitch 964.First microswitch 963 and the second microswitch 964 are and motor Thus 91 electrical connections can export control signal to motor 91.

Close to the side of lock tongue 981 on block 971, the first butting section 9711, lock tongue are formed with towards the protrusion of lock tongue 981 Close to the side of block 971 on 981, it is formed with the second butting section 9811, third butting section 9812 towards the protrusion of block 971, the Two butting sections 9811 and third butting section 9812 are used to cooperate with the first butting section 9711.

One end of lock frame 95 is arranged in above-mentioned executing agency, offers the be inserted into for connecting shaft 112 on main lock frame 951 One fore shaft 9511, the first fore shaft 9511 are recessed inwardly far from the other end end of executing agency from main lock frame 951 and are formed.Lock tongue 981 sides close to block 971, one end far from the second driving lever 983 are formed with the second lock to far from 971 direction of block recess Mouth 9813.Above-mentioned two fore shaft is located at except lock box 99.

In above-described embodiment, silk braid 93 is directly acted on the first driving lever 973 and the second driving lever 983.It alternatively, can also be with Silk braid 93 is arranged in cabinet 94, and is provided with shifting shaft 931 on silk braid 93, is extended outside cabinet 94, towards locking mechanism.

The working principle of above-mentioned foldable locking device 9 are as follows:

1, shut process: after power assist vehicle is completed to fold, the connecting shaft 112 on 1 is hit the second fore shaft 9813 by front truck, is made It obtains lock tongue 981 to rotate counterclockwise, the first salient point 984 on lock tongue 981 is compressed to the first microswitch 963, the first microswitch 963 closures, output signals to motor 91, make its starting, and thus output is transmitted to silk braid 93 by screw rod 92 by motor 91, so that Silk braid 93 mobile (or leaning on shifting shaft 931) pushes the second driving lever 983 to stir the rotation of lock tongue 981 and (while can drive block 971 Rotation), the second fore shaft 9813 holds connecting shaft 112, so that preceding crossbeam 2 and rear crossbeam 3 tense, the first butting section 9711 and lock tongue Third butting section 9812 on 981 is against so that lock tongue 981 cannot be rotated towards opening direction keeps current state；Most Afterwards, by full lock signal control executing agency's antiport, silk braid 93 to far from bolt component 98 the second driving lever 983 direction Movement, until stopping (silk braid 93 compresses third microswitch 932) to origin position, shutting movement terminates (from the opening of Fig. 6 State is changed into the lock state of Fig. 5).

2, unlocking process:

Firstly, motor 91 starts running by the control system of power assist vehicle to 91 input signal of motor, silk braid 93 (or lean on Shifting shaft 931) it is mobile to 973 direction of the first driving lever of stop component 97 linear motion, until touching the of stop component 97 One driving lever 973；Hereafter, silk braid 93 continues to move, and will stir block 971 to lock opening direction rotation, so that the on block 971 One butting section 9711 is separated with the second butting section 9811 on lock tongue 981, so that lock tongue 981 rotates, at this time on lock tongue 981 The second salient point 985 no longer compress the second microswitch 965, hereafter power assist vehicle be unfolded, as a result, lock tongue 981 to opening direction turn Dynamic, the first salient point 984 on lock tongue 981 no longer compresses the first microswitch 963, and full lock signal releases, the first butting section 9711 With the second butting section 9811 on lock tongue 981 against so that lock tongue 981 cannot be rotated towards locking direction keeps current shape State；Executing agency's antiport is controlled finally by the unlocking signal of power assist vehicle, silk braid 93 is to far from first group on block 971 The direction of bar 973 moves, until origin position stops (silk braid 93 compresses third microswitch 932), unlocking action terminates (from figure 5 lock state is changed into the opening state of Fig. 6).

Claims (6)

1. a kind of foldable locking device for power assist vehicle, comprising:

It locks frame (95), one end of lock frame (95), which is recessed inwardly, is formed with the first fore shaft (9511)；

Stop component (97) and bolt component (98) are disposed adjacently one end in lock frame (95), the stop component (97) Including being rotatably arranged in lock frame (95) and the block (971) with reset trend, be provided on the block (971) with The first driving lever (973) for being connected to outside frame (95) and frame (95) movement capable of being locked relatively is locked, the bolt component (98) includes rotating Ground setting is interior in lock frame (95) and has the lock tongue (981) of reset trend, is provided with the second driving lever on the lock tongue (981) (983), the second fore shaft (9813) are formed on the lock tongue (981)；It is characterized by:

It further include executing agency of the setting in lock frame (95) other end, the executing agency includes motor (91), by motor (91) The screw rod (92) of driving and the silk braid (93) being arranged on screw rod (92), the silk braid (93) can be in first driving lever (973) And second the ground of linear movement between driving lever (983) act on the first driving lever (973) or the second driving lever (983), to drive block (971) or lock tongue (981) rotates and changes lock state.

2. the foldable locking device according to claim 1 for power assist vehicle, it is characterised in that: the bolt component (98) It further include that the first salient point (984) and the second salient point (985) on lock tongue (981) is set, the lock frame (95) is interior to be provided with the One microswitch (963) and the second microswitch (964), first salient point (984) and the first microswitch (963) cooperate, Second salient point (985) and the second microswitch (964) cooperate, first microswitch (963) and the second microswitch (964) with motor (91).

3. the foldable locking device according to claim 2 for power assist vehicle, it is characterised in that: set in the lock frame (95) It is equipped with support frame (96), first microswitch (963) and the second microswitch (964) are arranged on support frame (96).

4. the foldable locking device according to claim 3 for power assist vehicle, it is characterised in that: on support frame as described above (96) Compartment of terrain offers perforative first positioning shaft hole (961) and the second positioning shaft hole (962), is provided on the block (971) First locating shaft (972) is provided with the second locating shaft (982) on the lock tongue (981), and first locating shaft (972) is respectively Block (971) is made to be rotatably arranged at lock frame across the first positioning shaft hole (961) locked on frame (95) and support frame (96) (95) in, second locating shaft (982) be each passed through lock frame (95) and the second positioning shaft hole (962) on support frame (96) and So that lock tongue (981) is rotatably arranged in lock frame (95).

5. the foldable locking device according to any one of claims 1 to 4 for power assist vehicle, it is characterised in that: described The first butting section (9711), the lock are formed with close to the side of lock tongue (981), towards lock tongue (981) protrusion on block (971) The second butting section (9811) is formed with and third is supported close to the side of block (971), towards block (971) are prominent on tongue (981) Relying part (9812)；First butting section (9711) and the second butting section (9811) can limit lock tongue (981) to lock against each other Determine direction and open rotation, first butting section (9711) and third butting section (9812) can limit lock tongue (981) against each other It rotates and resets to opening direction.

6. the foldable locking device according to any one of claims 1 to 4 for power assist vehicle, it is characterised in that: also wrap It includes for providing the third microswitch (932) of silk braid (93) repositioning information to motor (91).