CN209700772U - Vehicle frame unlocking mechanism and children trolley - Google Patents

Abstract

The utility model provides a kind of vehicle frame unlocking mechanism and children trolley, is related to children trolley technical field, vehicle frame unlocking mechanism includes locking piece, unlock piece, the first connector being arranged in root decline and the second connector being arranged on vehicle frame；First connector and the second connector are pivotally connected by first rotating shaft, and locking piece is articulated on the first connector, and locking piece can be clamped to complete the first connector and the second connector in the relatively fixed of first rotating shaft circumferential direction with the second connector；Unlock piece is set in first rotating shaft and is folded between the first connector and the second connector, and the relative rotation of the first connector and the second connector can drive unlock piece mobile towards second connector and unlock vehicle frame.Alleviating vehicle frame unlocking mechanism in the prior art, structure is complicated, and stability is poor；And it is inconvenient to cause children trolley folding to fold, be not able to satisfy parents synchronizes the technical issues of folding demand.

Description

Vehicle frame unlocking mechanism and children trolley

Technical field

The utility model relates to children trolley technical fields, push away in particular to a kind of vehicle frame unlocking mechanism and children Vehicle.

Background technique

Children trolley generally all includes vehicle frame and root decline, and root decline is by being located at vehicle frame unlocking mechanism and vehicle at left and right sides of it Frame detachably assembles.Existing vehicle frame has many advantages, such as storage convenient for folding and transport, but in vehicle frame folding, generally require by Root decline is folded in advance, then fold to vehicle frame and be folded, and is arranged in this way in order to avoid folding and folding between root decline and vehicle frame Generation part is interfered in the process.

Structure is complicated for vehicle frame unlocking mechanism in the prior art, and stability is poor；And children trolley is caused separately to fold receipts Closing operation is inconvenient, and be not able to satisfy parents synchronizes the demand of folding.

Utility model content

It is in the prior art to alleviate the purpose of this utility model is to provide a kind of vehicle frame unlocking mechanism and children trolley Structure is complicated for vehicle frame unlocking mechanism, and stability is poor；And it is inconvenient to cause children trolley folding to fold, and is not able to satisfy parents Synchronize the technical issues of folding demand.

The utility model provides a kind of vehicle frame unlocking mechanism, including locking piece, unlock piece, the first company being arranged in root decline Fitting and the second connector being arranged on vehicle frame；

First connector and second connector are pivotally connected by first rotating shaft, and the locking piece is movably connected in institute It states on the first connector, the locking piece can be clamped to complete first connector and described the with second connector Two connectors are relatively fixed the first rotating shaft circumferential direction；

The unlock piece is set in the first rotating shaft and is folded in first connector and second connector Between, the relative rotation of first connector and second connector can drive the unlock piece towards second connection Part is mobile and unlocks vehicle frame.

Further, the locking piece is rotatably installed on first connector, first connector and the lock Determine to be connected with elastic component between part, the locking piece includes block, second connector towards first connector one Side is equipped with card slot, and the elastic component makes the locking piece have the trend that the block is caught in the card slot.

Further, first connector be equipped with cavity, first connector towards second connector one Side, which is equipped with, is connected to the cavity and extraneous opening, and the locking piece is articulated in the cavity；

The locking piece further includes protrusion that can be mating with the opening.

Further, the elastic component is torsional spring, and the locking piece includes the second shaft, and the locking piece passes through described the Two shafts are rotatably installed on first connector, and the torsional spring is set in second shaft, and the two of the torsional spring A torque arm is against respectively on first connector and the locking piece.

Further, the unlock piece and second connector are in the circumferentially opposed fixed setting of the first rotating shaft, institute It states unlock piece to extend towards the side of first connector equipped with the first cutting, first cutting is equipped with the first inclined-plane, institute It states the first connector and is equipped with the slot mating with first cutting towards the side of the unlock piece, the slot is equipped with Second inclined-plane, when first connector and second connector relatively rotate, first inclined-plane and described Two inclined-planes mutually can be abutted and be relatively moved.

Further, there are two first cuttings, there are two the slot is set, two first cuttings plug respectively In two slots.

Further, first cutting is additionally provided with third inclined-plane, and the third inclined-plane and first inclined-plane set up separately The two sides of first cutting, the slot are additionally provided with the 4th inclined-plane, and the 4th inclined-plane and second inclined-plane are oppositely arranged, When first connector and second connector relatively rotate, the third inclined-plane and the 4th inclined-plane can It mutually abuts and relatively moves.

Further, the unlock piece extends towards the side of second connector is equipped with the second cutting, and described second Connector is equipped with the through-hole mating with second cutting, and second cutting can pass through described in the through-hole and unlock Vehicle frame.

Further, there are two second cuttings, there are two the through-holes, and two second cuttings are plugged in respectively In two through-holes.

The utility model also provides a kind of children trolley, including vehicle frame unlocking mechanism as described above.

Compared with the existing technology, vehicle frame unlocking mechanism provided by the utility model and children trolley have the beneficial effect that:

Vehicle frame unlocking mechanism provided by the utility model, including locking piece, unlock piece, the first connector and the second connection Part, wherein the first connector is arranged in root decline, and the second connector is arranged on vehicle frame, when root decline is assemblied on vehicle frame, the A connection piece and the second connector are pivotally connected by first rotating shaft, and locking piece is movably connected on the first connector and can be with second Connector clamping completes fixation of the root decline on vehicle frame to prevent the relative rotation of the first connector and the second connector.Unlock Part is set in first rotating shaft and is folded between the first connector and the second connector, releases and the second connector in locking piece Clamping after, with the relative rotation of the first connector and the second connector, the first connector will push unlock piece towards second connect Fitting is mobile, until unlock piece is docked with vehicle frame, completes the unlock to vehicle frame.

When needing folding children's cart, firstly, the clamping of unlock piece and the second connector is released, in the feelings that vehicle frame is motionless Root decline is rotated under condition, the first connector is servo-actuated at this time, and then pushes unlock piece mobile towards the second connector, to unlock piece and second After the vehicle frame docking of connector side, the unlock of vehicle frame can be completed；Unlock piece can also be completed after being docked with vehicle frame root decline with The linkage of vehicle frame, vehicle frame can rotate together folding with the rotation of root decline, be finally completed the folding of children trolley.

The utility model only passes through four part composition vehicle frame unlocking mechanisms, and structure is simple, and stability is strong.And unlock piece exists While completing unlock vehicle frame, the linkage of root decline and vehicle frame is realized, it is primary to complete to children in the case where only rotating root decline The folding of cart so that vehicle frame and root decline synchronize fold it is high-efficient, it is easy to operate.

The technical advantage of children trolley provided by the utility model is identical as the technical advantage of above-mentioned vehicle frame unlocking mechanism, this Place repeats no more.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art Under the premise of labour, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the right side structural representation of children trolley provided by the embodiment of the utility model；

Fig. 2 is the structural schematic diagram of root decline provided by the embodiment of the utility model and vehicle frame unlocking mechanism；

Fig. 3 is the schematic cross-sectional view of vehicle frame unlocking mechanism provided by the embodiment of the utility model；

Fig. 4 is the structural schematic diagram of the first connector in vehicle frame unlocking mechanism provided by the embodiment of the utility model；

Fig. 5 is the structural schematic diagram of the second connector in vehicle frame unlocking mechanism provided by the embodiment of the utility model；

Fig. 6 is the structural schematic diagram of unlock piece in vehicle frame unlocking mechanism provided by the embodiment of the utility model；

Fig. 7 is the structural schematic diagram of locking piece in vehicle frame unlocking mechanism provided by the embodiment of the utility model.

Icon: 100- root decline；200- vehicle frame；The first connector of 300-；The second connector of 400-；500- unlock piece； 600- locking piece；

310- first rotating shaft；320- slot；330- cavity；

The second inclined-plane 321-；The 4th inclined-plane 322-；323- opening；

410- card slot；420- through-hole；

The first cutting of 510-；The second cutting of 520-；

The first inclined-plane 511-；512- third inclined-plane；

610- block；620- protrusion.

Specific embodiment

The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical Novel protected range.

In the description of the present invention, it should be noted that the orientation of the instructions such as term "left", "right", "inner", "outside" Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, Therefore it should not be understood as limiting the present invention.In addition, term " first ", " second ", " third ", " the 4th " are only used for retouching Purpose is stated, relative importance is not understood to indicate or imply.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be directly connected, the connection inside two elements can also be can be indirectly connected through an intermediary.For For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.

Embodiment one

Referring to Fig. 2-Fig. 4, vehicle frame unlocking mechanism provided in this embodiment, including locking piece 600, unlock piece 500, first Connector 300 and the second connector 400, wherein the first connector 300 is arranged in root decline 100, and the second connector 400 is set It sets on vehicle frame 200, when root decline 100 is assemblied on vehicle frame 200, the first connector 300 and the second connector 400 pass through first Shaft 310 is pivotally connected, and locking piece 600 is movably connected on the first connector 300 and can be clamped with the second connector 400, with resistance Fixation of the root decline 100 on vehicle frame 200 is completed in the only relative rotation of the first connector 300 and the second connector 400.Unlock piece 500 are set in first rotating shaft 310 and are folded between the first connector 300 and the second connector 400, solve in locking piece 600 Except with after the clamping of the second connector 400, with the relative rotation of the first connector 300 and the second connector 400, the first connection It is mobile towards the second connector 400 that part 300 will push unlock piece 500, until unlock piece 500 is docked with vehicle frame 200, completes to vehicle frame 200 unlock.

When needing folding children's cart, firstly, the clamping of unlock piece 500 and the second connector 400 is released, in vehicle frame 200 it is motionless in the case where rotate root decline 100, the first connector 300 is servo-actuated at this time, and then pushes unlock piece 500 towards the second connection Part 400 is mobile, after unlock piece 500 is docked with the vehicle frame 200 of 400 side of the second connector, can complete the solution of vehicle frame 200 Lock；Unlock piece 500 can also complete the linkage of root decline 100 Yu vehicle frame 200 after docking with vehicle frame 200, vehicle frame 200 can be with root decline 100 rotation rotates together folding, is finally completed the folding of children trolley.

The present embodiment only passes through four part composition vehicle frame unlocking mechanisms, and structure is simple, and stability is strong.And unlock piece 500 While completing to unlock vehicle frame 200, the linkage of root decline 100 Yu vehicle frame 200 is realized, in the case where only rotating root decline 100, The primary folding completed to children trolley so that vehicle frame 200 and root decline 100 synchronize fold it is high-efficient, it is easy to operate.

It is noted that the first rotating shaft 310 and the first connector 300 in the present embodiment are integrally formed and are arranged, unlock piece 500 and second connector 400 be sequentially sleeved in first rotating shaft 310.In addition, the present embodiment also connects in unlock piece 500 and second Pressure spring is installed, the elastic-restoring force of pressure spring can be by unlock piece 500 along the axis direction of first rotating shaft 310 between fitting 400 It is pushed towards the first connector 300, and then guarantees children trolley when being opened by folded state, unlock piece 500 can be resetted with de- It is docked from vehicle frame 200.Alternatively, can also install pressure spring between vehicle frame 200 and unlock piece 500, equally can satisfy makes The demand that unlock piece 500 resets.

Specifically, the present embodiment also the specific structure of vehicle frame unlocking mechanism is done it is described in detail below.

Referring to Fig. 7, in the present embodiment, locking piece 600 is rotatably installed on the first connector 300, with 600 phase of locking piece Rotation to the first connector, locking piece 600 can be clamped with the second connector 400.On this basis, the first connector 300 Elastic component is connected between locking piece 600, locking piece 600 is equipped with block 610, the second connector far from one end of pivot end 400 are equipped with card slot 410 towards the side of the first connectors 300, and elastic component has locking piece 600 block 610 is caught in card slot 410 trend.

At this point, under the action of the elastic member, block 610 can be automatically inserted into the case where locking piece 600 is not by external force Card slot 410 completes the first connector 300 and the second connector 400 in the relatively fixed of 310 circumferential direction of first rotating shaft.And it needs When wanting folding children's cart, only need to rotate locking piece 600 manually, by block 610 release card slot 410, can release block 610 with The clamping of card slot 410, the first connector 300 and the second connection frame can relatively rotate, before completing children trolley folding Phase operation, operating process are simple and convenient.

It is noted that locking piece 600 can also be articulated on the second connector 400 in the present embodiment, and then, locking Part 600 prevents the relative rotation of the first connector 300 and the second connector 400 by the clamping with the first connector 300.This When, it needs to be connected with elastic component between the second connector 400 and locking piece 600.

Specifically, in the present embodiment, the first connector 300 is equipped with cavity 330,300 direction of the first connector referring to Fig. 4 The side of second connector 400 is equipped with connection cavity 330 and extraneous opening 323, and locking piece 600 is articulated in cavity 330；Lock Determine part 600 further include can with opening 323 mating protrusions 620.

At this point, locking piece 600 is abutted with the side wall that cavity 330 is equipped with opening 323, block under the action of not by external force 610 are plugged in card slot 410, raised 620 insertion openings 323 with it is exposed outside.When needing to release the first connector 300 and second Connector 400 is in 310 circumferential direction of first rotating shaft when fixing relatively, it is only necessary to protrusion 620 is pressed towards 330 inboard of cavity, it is convex It plays 620 to be detached from after opening 323 enters cavity 330, block 610 is detached from card slot 410 therewith, and the first connector 300 and second connects Part 400 is relatively rotated.The setting make locking piece 600 in addition to raised 620 parts Hide All in the first connector 300 It is interior, while locking piece 600 connect more stable with the first connector 300, also improve the aesthetics of vehicle frame unlocking mechanism.

In the present embodiment, elastic component can be torsional spring, at this point, locking piece 600 includes the second shaft, locking piece 600 passes through Second shaft is rotatably installed on the first connector 300, and torsional spring is set in the second shaft, and two torque arm of torsional spring are supported respectively On the first connector 300 and on locking piece 600.

Alternatively, elastic component may be compressed spring, compressed spring one end is fixed on locking piece 600 away from opening 323 Side, the other end are fixed on the inner sidewall of 330 face of cavity opening 323.At this point, the elastic force of compressed spring can equally protect Card 610 moment of block is plugged in card slot 410.

Referring to Fig. 4 and Fig. 6, in the present embodiment, unlock piece 500 and the second connector 400 are circumferentially opposed in first rotating shaft 310 Fixed setting, unlock piece 500 extends towards the side of the first connector 300 is equipped with the first cutting 510, and the first cutting 510 is equipped with First inclined-plane 511, the first connector 300 are equipped with the slot mating with the first cutting 510 towards the side of unlock piece 500 320, slot 320 is equipped with the second inclined-plane 321, when the first connector 300 and the second connector 400 relatively rotate, first Inclined-plane 511 and the second inclined-plane 321 mutually can be abutted and be relatively moved.

The present embodiment is relatively moved by the first inclined-plane 511 with the second inclined-plane 321, completes unlock piece 500 along first The movement that 310 axis direction of shaft does close second connector 400 and docks with vehicle frame 200, whole process is safe and reliable, stablizes Property is strong.

Specifically, when in the first cutting 510 insertion slot 320, with the rotation of the first connector 300, the first inclined-plane 511 and second inclined-plane 321 be bonded to each other contact, the contact area between the first connector 300 and unlock piece 500 is bigger at this time, 321 each position uniform force of first inclined-plane 511 and the second inclined-plane, the first connector 300 and unlock piece 500 are not susceptible to deform, Unlock piece 500 is more smooth towards the movement of the second connector 400.

Referring to Fig. 6, it is preferred that in the present embodiment, there are two the first cuttings 510, there are two slot 320 is set, two first Cutting 510 is plugged in respectively in two slots 320.

At this point, two the first inclined-planes 511 while two the second inclined-planes with two slots 320 of two the first cuttings 510 321 fitting contacts, the contact area of the first connector 300 and unlock piece 500 is bigger, is further ensured that unlock piece 500 towards the The smooth movement of two connectors 400.

Specifically, plane where the axis of two opposite first rotating shafts 310 of the first cutting 510 is symmetrical arranged, two slots Plane where the axis of 320 opposite first rotating shafts 310 is symmetrical arranged.

Please continue to refer to Fig. 6, in the present embodiment, the first cutting 510 is additionally provided with third inclined-plane 512, third inclined-plane 512 and One inclined-plane 511 sets up separately in the two sides of the first cutting 510, and slot 320 is additionally provided with the 4th inclined-plane 322, and the 4th inclined-plane 322 and second is oblique Face 321 is oppositely arranged, when the first connector 300 and the second connector 400 relatively rotate, third inclined-plane 512 and the 4th Inclined-plane 322 mutually can be abutted and be relatively moved.

I.e. no matter root decline 100 is rotated counterclockwise or is rotated clockwise with respect to first rotating shaft 310, and the first connector 300 is all Unlock piece 500 can be driven mobile towards the second connector 400 and docked with vehicle frame 200, and then complete the unlock of vehicle frame 200 with after Continuous linkage folds.

Specifically, being first when root decline 100 is rotated clockwise with respect to first rotating shaft 310 in the present embodiment referring to Fig.1 Inclined-plane 511 and the second inclined-plane 321 are bonded to each other contact and relatively move, to complete unlock piece 500 towards the second connector 400 movement.Opposite, it is third inclined-plane 512 and third inclined-plane when root decline 100 is rotated counterclockwise with respect to first rotating shaft 310 512 are bonded to each other contact and relatively move, and the movement of unlock piece 500 towards the second connector 400 is completed.

In the present embodiment, unlock piece 500 extends towards the side of the second connector 400 is equipped with the second cutting 520, and second connects Fitting 400 is equipped with the through-hole 420 mating with the second cutting 520, and the second cutting 520 can pass through through-hole 420 and solve car locking Frame 200.

The mating guarantee unlock piece 500 and the second connector 400 of second cutting 520 and through-hole 420 are in first rotating shaft 310 is circumferential relatively fixed, meanwhile, with unlock piece 500 towards the second connector 400 mobile, the end energy of the second cutting 520 Enough to dock across through-hole 420 and with vehicle frame 200, while realizing that root decline 100 and vehicle frame 200 link, each position of vehicle frame 200 is (preceding Wheel part, rear-wheel part and vehicle back portion) it is unlocked, under the continuing to rotate of root decline 100, each position of vehicle frame 200 is folded.

Specifically, the second connector 400 in the present embodiment is fixedly connected with certain a part of vehicle frame 200, unlocking Part 500 and the second connector 400 represent unlock piece 500 and vehicle frame 200 while first rotating shaft 310 is circumferentially opposed fixed Certain a part in the circumferentially opposed fixation of first rotating shaft 310.

Preferably, in the present embodiment, there are two the second cuttings 520, and there are two through-holes 420, two the second cutting 520 difference It is plugged in two through-holes 420.

Embodiment two

Referring to Figures 1 and 2, the present embodiment provides a kind of children trolleys, including vehicle frame unlocking mechanism as described above, vehicle Frame unlocking mechanism is arranged between root decline 100 and vehicle frame 200.

While carriage for children provided in this embodiment can be realized root decline 100 and the linkage of vehicle frame 200, root decline is only being rotated In the case where 100, can also once complete the folding to children trolley so that vehicle frame 200 and root decline 100 synchronize fold efficiency Height, it is easy to operate.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type.

Claims (10)

1. a kind of vehicle frame unlocking mechanism, which is characterized in that including locking piece (600), unlock piece (500), be arranged in root decline (100) On the first connector (300) and the second connector (400) on vehicle frame (200) is set；

First connector (300) and second connector (400) are pivotally connected by first rotating shaft (310), the locking piece (600) it is movably connected on first connector (300), the locking piece (600) can be with second connector (400) Clamping is to complete first connector (300) and second connector (400) in the phase of the first rotating shaft (310) circumferential direction To fixation；

The unlock piece (500) is set on the first rotating shaft (310) and is folded in first connector (300) and described Between second connector (400), the relative rotation of first connector (300) and second connector (400) can be driven The unlock piece (500) is moved towards second connector (400) movement and unlocks the vehicle frame (200).

2. vehicle frame unlocking mechanism according to claim 1, which is characterized in that the locking piece (600) is rotatably installed in institute It states on the first connector (300), is connected with elastic component between first connector (300) and the locking piece (600), it is described Locking piece (600) includes block (610), and the side of second connector (400) towards first connector (300) is equipped with Card slot (410), the elastic component have the locking piece (600) block (610) is caught in becoming for the card slot (410) Gesture.

3. vehicle frame unlocking mechanism according to claim 2, which is characterized in that first connector (300) is equipped with cavity (330), first connector (300) be equipped with towards the side of second connector (400) be connected to the cavity (330) and Extraneous opening (323), the locking piece (600) are articulated in the cavity (330)；

The locking piece (600) further includes protrusion (620) that can be mating with the opening (323).

4. vehicle frame unlocking mechanism according to claim 3, which is characterized in that the elastic component is torsional spring, the locking piece It (600) include the second shaft, the locking piece (600) is rotatably installed in first connector by second shaft (300) on, the torsional spring is set in second shaft, and two torque arm of the torsional spring are against first connection respectively On part (300) and the locking piece (600).

5. vehicle frame unlocking mechanism according to claim 1-4, which is characterized in that the unlock piece (500) and institute The second connector (400) is stated in the first rotating shaft (310) circumferentially opposed fixed setting, the unlock piece (500) is described in The side of first connector (300), which extends, is equipped with the first cutting (510), and first cutting (510) is equipped with the first inclined-plane (511), first connector (300) is equipped with and the first cutting (510) grafting towards the side of the unlock piece (500) The slot (320) of cooperation, the slot (320) are equipped with the second inclined-plane (321), when first connector (300) and described the When two connectors (400) relatively rotate, first inclined-plane (511) and second inclined-plane (321) can be abutted mutually And it relatively moves.

6. vehicle frame unlocking mechanism according to claim 5, which is characterized in that there are two first cuttings (510), described There are two slot (320) is set, two first cuttings (510) are plugged in respectively in two slots (320).

7. vehicle frame unlocking mechanism according to claim 6, which is characterized in that first cutting (510) is additionally provided with third Inclined-plane (512), the third inclined-plane (512) and first inclined-plane (511) set up separately in the two sides of first cutting (510), The slot (320) is additionally provided with the 4th inclined-plane (322), and the 4th inclined-plane (322) and second inclined-plane (321) are set relatively It sets, when first connector (300) and second connector (400) relatively rotate, the third inclined-plane (512) Mutually it can abut and relatively move with the 4th inclined-plane (322).

8. vehicle frame unlocking mechanism according to claim 5, which is characterized in that the unlock piece (500) is towards described second The side of connector (400), which extends, is equipped with the second cutting (520), and second connector (400) is equipped with and second cutting (520) mating through-hole (420), second cutting (520) can pass through the through-hole (420) and unlock the vehicle frame (200)。

9. vehicle frame unlocking mechanism according to claim 8, which is characterized in that there are two second cuttings (520), described There are two through-holes (420), and two second cuttings (520) are plugged in respectively in two through-holes (420).

10. a kind of children trolley, which is characterized in that including vehicle frame unlocking mechanism as claimed in any one of claims 1-9 wherein.