CN109808760A

CN109808760A - a folding trolley

Info

Publication number: CN109808760A
Application number: CN201910203554.4A
Authority: CN
Inventors: 程伟江
Original assignee: Yongkang City Zhejiang Province Su Kedi Trade Co Ltd
Current assignee: Changsha Qianzhiran Information Technology Co ltd
Priority date: 2019-01-27
Filing date: 2019-03-18
Publication date: 2019-05-28
Anticipated expiration: 2039-03-18
Also published as: CN209972547U; CN109808760B; CN209888909U; CN209972546U

Abstract

The invention belongs to the technical field of trolleys, and in particular relates to a folding trolley, comprising a trolley main body, the main body comprising a rear leg tube, a front leg tube and a seat; a folding mechanism is arranged between the rear leg tube, the front leg tube and the seat, and the folding mechanism is used for To control the folding between the rear leg tube and the front leg tube and to control the rotation of the seat towards the rear leg tube or the front leg tube, the present invention connects the front leg tube, the seat and the rear leg tube respectively by using a rotating member, when the unlock button is pressed. When the upper end is pressed, the seat can be folded. When the lower end of the unlock button is pressed, the front foot tube can be folded. By pressing different parts on one button, the seat and the front foot tube can be realized. The folding operation of the two parts makes the folding operation of the cart very simple, and there is no need to press the folding switches in two different positions.

Description

A kind of folding pushchair

Technical field

The present invention relates to trolley technical fields, refer in particular to a kind of folding pushchair.

Background technique

Children trolley can be used for taking for infant, hold a baby in one's arms without parent, be arranged on children trolley for solving Lock seat unlocked device, the rear foot tripper for unlocking rear foot locking mechanism of seat locking, and the two unlocks dress It is set to two devices being individually provided separately.When to fold cart, obtains and successively go to operate seat unlocked machine respectively in two times Structure and rear foot unlocking mechanism, could unlock seat locking and rear foot locking mechanism in this way so that seat, the rear foot relatively before Foot tube is rotated and is folded.

For the parent for having child in arms, need by press two different locations receipts fold button, be one very Laboriously thing.

Summary of the invention

The object of the present invention is to provide a kind of folding pushchairs to solve multiple receive and fold button to lead by fold mechanism Cause problem inconvenient for operation.

The object of the present invention is achieved like this: a kind of folding pushchair, including hand push vehicle main body, and main body includes the rear foot Pipe, front foot pipe and seat；Fold mechanism is provided between the rear foot tube, front foot pipe and seat, after fold mechanism is for controlling Folding between foot tube and front foot pipe and the rotation for controlling backwards seats foot tube or front foot pipe side.

Preferably, unblock button, the upper end of being unlocked by pressing button, the seat and the rear foot are installed in the fold mechanism It can be relatively rotated between pipe；The lower end of being unlocked by pressing button can be relatively rotated between the front foot pipe and rear foot tube.

Preferably, it is formed with upper protruding block below the unblock button upper end, be provided with below upper protruding block for limiting The first circular shaft relatively rotated between seat and rear foot tube.

Preferably, limited cover is installed on the fold mechanism, the first limit hole, first circle are offered on limited cover One end that axis corresponds to upper protruding block passes through the first limit hole and forms the first press section.

Preferably, the first arc groove is provided in the fold mechanism, the lower end of the seat is connected with the first rotation section, It is equipped with first circular shaft in first rotation section, and is slided in first arc groove, the other end of first circular shaft Abutting has the first spring, and the first press section of pressing can compress the first spring, and the first circular shaft is made to be detached from first limit hole.

Preferably, it is fixed with first bearing in the limited cover, first sliding axle, the first sliding are provided in first bearing One end of axis is laterally threaded through in the first limit hole, is equipped with second spring in first arc groove, second spring is connected to Between first circular shaft and an end face of the first arc groove, first is additionally provided between first circular shaft and second spring and is abutted Part, the first fitting are fixed on first rotation section, when the first rotation section rotates, it will compression second spring.

Preferably, it is formed with lower protruding block below the unblock button lower end, be provided with below lower protruding block for limiting The second circular shaft relatively rotated between rear foot tube and front foot pipe.

Preferably, limited cover is installed on the fold mechanism, is also provided with the second limit hole on limited cover, described second One end that circular shaft corresponds to lower protruding block passes through the second limit hole and forms the second press section.

Preferably, the second arc groove is offered in the fold mechanism, the upper end of the front foot pipe is provided with the second rotation Portion is equipped with the second circular shaft in the second rotation section, and the second circular shaft slides in second arc groove, second circular shaft it is another One end, which abuts, third spring, and the second press section of pressing can compress third spring, and the second circular shaft is made to be detached from second limit Position hole.

Preferably, it is fixed with second bearing in the limited cover, second sliding axle, the second sliding are provided in second bearing One end of axis is laterally threaded through in the second limit hole, and the 4th spring is equipped in second arc groove, and the 4th spring is connected to Between second circular shaft and an end face of the second arc groove, second is additionally provided between second circular shaft and the 4th spring and is abutted Part, the second fitting are fixed on second rotation section, when the second rotation section rotates, it will the 4th spring of compression；The seat Rotary handle is installed on chair and/or front foot pipe, the solution lock-switch for turning part rotation for controlling limit, institute are provided on rotary handle State and be connected with rotation axis in the middle part of rotary handle, the periphery of rotation axis be slidably arranged it is limited turn part, limit turns the side molding of part Limited transfer part, the corresponding end face of the rotation axis offer the limit pivoted housing being caught in for the limit transfer part, and the limit turns the another of part Side end face corresponding with the rotation axis, which abuts, the 5th spring, and the solution lock-switch is fixed on the limit and turns part surface；It is described Protecting cover is installed on fold mechanism, groove compatible with round block is offered in protecting cover, the middle-end of the unblock button forms Round block, the unblock button can be swung up and down by round block and be mounted in groove, and the upper end of the fold mechanism is respectively arranged with The lower end of first rotational area and the second rotational area, the seat is rotatably provided in the first rotational area by the first fastener, The upper end of the front foot pipe is rotatably provided in the second rotational area by the second fastener.

The present invention is prominent and beneficial compared with prior art to be had the technical effect that

1, by the present invention in that being separately connected front foot pipe, seat and rear foot tube with fold mechanism, when being unlocked by pressing button Upper end when, seat can be carried out to receive folded operation, when the lower end of being unlocked by pressing button, the foot tube of seat can be received Folded operation, by pressing different positions on a button, the receipts that can realize two components of seat and foot tube fold operation, To keep the folded operation of receipts of cart very easy, the folding switch of two different locations of pressing is no longer needed to.

Detailed description of the invention

Fig. 1 is schematic perspective view of the invention.

Fig. 2 is the part explosive view of folding device of the present invention.

Fig. 3 is structural schematic diagram when folding device does not install protecting cover and limited cover.

Fig. 4 is structural schematic diagram when folding device does not install protecting cover.

The structural schematic diagram of Fig. 5 unblock button and round block.

Fig. 6 is main view of the invention.

Fig. 7 is the structure sectional view in Fig. 6 at A-A.

Fig. 8 is structure enlargement diagram at D in Fig. 7.

Fig. 9 is the structure sectional view in Fig. 6 at C-C.

Figure 10 is the structure sectional view in Fig. 6 at B-B.

Figure 11 is the part explosive view of rotary handle on seat.

Figure 12 is the part explosive view of rotary handle in front foot pipe.

Appended drawing reference: 1- front foot pipe；2- rear foot tube；3- seat；4- rear-wheel；5- front-wheel；6- fold mechanism；7- unlock is pressed Button；The first rotational area 8-；The second rotational area 9-；The first fastener of 10-；The second fastener of 11-；

The first arc groove of 12-；The first rotation section 13-；The first circular shaft of 14-；15- limited cover；The first limit hole of 16-；17- One press section；18- upper protruding block；The first spring of 19-；20- first bearing；21- first sliding axle；22- second spring；23- first Fitting；

The second arc groove of 24-；The second rotation section 25-；The second circular shaft of 26-；The second limit hole of 27-；The second press section 28-； 29- lower protruding block；30- third spring；31- second sliding axle；The 4th spring of 32-；The second fitting of 33-；34- second bearing；

35- rotary handle；36- solves lock-switch；37- rotation axis；38- limit turns part；39- limits transfer part；40- limits pivoted housing；41- Five springs；42- round block；43- groove；44- protecting cover；45- limit turns housing.

Specific embodiment

Specific embodiments of the present invention will be described in further detail by 1-12 with reference to the accompanying drawing.

A kind of folding pushchair.

As shown in Figure 1, hand push vehicle main body includes rear foot tube 1, front foot pipe 2 and seat 3；The rear foot tube 1,2 and of front foot pipe Fold mechanism 6 is provided between seat 3, fold mechanism 6 is for controlling the folding between rear foot tube 1 and front foot pipe 2 and being used for The rotation of seat 3 towards 2 side of rear foot tube 1 or front foot pipe is controlled, is mounted on rotary handle 35 on seat 3 and front foot pipe 1, it is described The lower end of rear foot tube 2 is equipped with rear-wheel 4, and the lower end of the front foot pipe 1 is equipped with front-wheel 5, unlock is equipped in fold mechanism 6 Button 7 can be relatively rotated between the seat 3 and rear foot tube 2 by the upper end of being unlocked by pressing button 7；It is solved by pressing The lower end for locking button 7, can be relatively rotated between the front foot pipe 1 and rear foot tube 2.

Specifically see Fig. 2, the upper end of the fold mechanism 6 is respectively arranged with the first rotational area 8 and the second rotational area 9, described The lower end of seat 3 is rotatably provided in the first rotational area 8 by the first fastener 10, and the upper end of the front foot pipe 1 passes through the Two fasteners 11 are rotatably provided in the second rotational area 9, and the first fastener 10, the second fastener 11 are equal in the technical scheme Using bolt.

In conjunction with Fig. 3 and Fig. 4, the first arc groove 12, the lower end connection of the seat 3 are offered on first rotational area 8 There is the first rotation section 13, the first circular shaft 14 is equipped in the first rotation section 13, the first circular shaft 14 is in first arc groove 12 Limit slippage；The second arc groove 24 is offered on second rotational area 9, the upper end of the front foot pipe 1 is provided with the second rotation Portion 25 is equipped with the second circular shaft 26, the second circular shaft 26 limit slippage in second arc groove 24 in second rotation section 25.

In conjunction with Fig. 2 and Fig. 8, limited cover 15 is installed on the fold mechanism 6, offers the first limit respectively on limited cover 15 Position hole 16 and the second limit hole 27, one end of first circular shaft 14 pass through the first limit hole 16 and form the first press section 17, One end of second circular shaft 26 passes through the second limit hole 27 and forms the second press section 28, under 7 upper end of unblock button Side is formed with upper protruding block 18, and upper protruding block 18 corresponds to first press section 17, is formed with down below 7 lower end of unblock button The other end abutting of convex block 29, corresponding second press section 28 of lower protruding block 29, first circular shaft 14 has the first spring 19, presses It presses the first press section 17 that can compress the first spring 19, and the first circular shaft 14 is made to be detached from first limit hole 16, described second The other end abutting of circular shaft 26 has third spring 30, and the second press section 28 of pressing can compress third spring 30, and make the second circle Axis 26 is detached from second limit hole 27.

In conjunction with Fig. 3 and Fig. 4, it is fixed with first bearing 20 in limited cover 15, it is sliding that first is provided in first bearing 20 Moving axis 21, one end of first sliding axle 21 are laterally threaded through in the first limit hole 16, are fixed with second bearing in limited cover 15 34, second sliding axle 31 is provided in second bearing 34, one end of second sliding axle 31 is laterally threaded through in the second limit hole 27, Second spring 22 is installed in the first arc groove 12, second spring 22 is connected to the one of the first circular shaft 14 and the first arc groove 12 Between end face, the 4th spring 32 is installed in the second arc groove 24, the 4th spring 32 is connected to the second circular shaft 26 and the second arc Between one end face of shape slot 24, the first fitting 23 is additionally provided between first circular shaft 14 and second spring 22, first supports Fitting 23 is fixed on first rotation section 13, when the first rotation section 13 rotates, it will compression second spring 22, described second The second fitting 33 is additionally provided between circular shaft 26 and the 4th spring 32, the second fitting 33 is fixed on second rotation section 25 On, when the second rotation section 25 rotates, it will the 4th spring 32 of compression.

In conjunction with Fig. 9 and Figure 11, it is the structure of rotary handle 35 on seat 3, is provided on rotary handle 35 for limiting it The solution lock-switch 36 of rotation, the middle part of rotary handle 35 form rotation axis 37, and the periphery of rotation axis 37 is slidably arranged limited Turn part 38, the periphery that limit turns part 38 be arranged it is limited turn housing 45, the side that limit turns part 38 forms limited transfer part 39, the rotation axis 37 corresponding end faces offer the limit pivoted housing 40 being caught in for the limit transfer part 39, described to limit the other side for turning part 38 and the rotation The corresponding end face of axis 37, which abuts, the 5th spring 41, and the solution lock-switch 36 is fixed on the limit and turns 38 surface of part.

It is the structure and the structure phase of rotary handle 35 on seat 3 of rotary handle 35 in front foot pipe 1 in conjunction with Figure 10 and Figure 12 Together, the solution lock-switch 36 for limiting its rotation is provided on rotary handle 35, the middle part of rotary handle 35 forms rotation axis 37, the periphery of rotation axis 37 be slidably arranged it is limited turn part 38, the periphery that limit turns part 38 be arranged it is limited turn housing 45, limit turns part 38 Side form limited transfer part 39, the corresponding end face of the rotation axis 37 offers the limit pivoted housing being caught in for the limit transfer part 39 40, the other side end face abutting corresponding with the rotation axis 37 for turning part 38 that limits has the 5th spring 41, the solution lock-switch 36, which are fixed on the limit, turns 38 surface of part.

Specifically see Fig. 5, the middle-end of the unblock button 7 forms round block 42, is equipped with protecting cover on the fold mechanism 6 44, groove 43 compatible with round block 42 is offered in the protecting cover 44, the unblock button 7 can be swung up and down by round block 42 It is mounted in groove 43.

The specific working principle is as follows for this programme:

Folding between front foot pipe 1 and rear foot tube 2: unblock button 7 is rotatably disposed in by the round block 42 at middle-end position In groove 43, therefore when the lower end of being unlocked by pressing button 7, the lower protruding block 29 of lower section will be pushed up downwards, and by the second circular shaft 26 Inwardly top, the second circular shaft 26 at this time will be detached from the second limit hole 27, while compress third spring 30, at this time the second circular shaft 26 One end abut third spring 30, the other end of the second circular shaft 26 is connected in the arc groove being arranged on the inner wall of limited cover 15, At this moment front foot pipe 1 and rear foot tube 2 can carry out relative rotation folding, simultaneously because (original place is in pressure for the expansion force of the 4th spring 32 Contracting state), foot tube can be promoted to rotate, to keep rotation between the two more laborsaving, second sliding axle 31 is can to rotate, when When second circular shaft 26 enters or exits the second limit hole 27, it will slide from the surface of second sliding axle 31, it is easier into Enter or exit limit hole, when needing to open trolley, can be manually rotated front foot pipe 1 and rear foot tube 2, when the second circular shaft 26 reaches second When limit hole 27, compressed third spring 30 will open and spring into the second circular shaft 26 in second limit hole 27, thus real Now automatic lock-bit.

Folding between seat 3 and rear foot tube 2: unblock button 7 is rotatably disposed in recessed by the round block 42 at middle-end position In slot 43, therefore when the upper end of being unlocked by pressing button 7, the upper protruding block 18 of lower section will be pushed up downwards, and by the first circular shaft 14 to Interior top, the first circular shaft 14 at this time will be detached from the first limit hole 16, while compressing the first spring 19, at this time the first circular shaft 14 One end abuts the first spring 19, and the other end of the first circular shaft 14 is connected in the arc groove being arranged on the inner wall of limited cover 15, this When seat 3 and rear foot tube 2 can carry out relative rotation folding, simultaneously because second spring 22 expansion force (original place in compression shape State), seat 3 can be promoted to rotate, to keep rotation between the two more laborsaving, first sliding axle 21 is can to rotate, when the When one circular shaft 14 enters or exits the first limit hole 16, it will slide from the surface of first sliding axle 21, it is easier to enter Or limit hole is exited, when needing to open trolley, it can be manually rotated seat 3 and rear foot tube 2, when the first circular shaft 14 reaches the first limit When hole 16, compressed first spring 19 will open and spring into the first circular shaft 14 in first limit hole 16, to realize certainly Dynamic lock-bit.

The folding of rotary handle: solution lock-switch 26 is pushed to side, and solution lock-switch 26 will will drive limit and turn part 38, The 5th spring 41 will be compressed simultaneously, and then limit transfer part 39 to leave limit pivoted housing 40, rotary handle at this time can be turned It is dynamic, solution lock-switch 26 is unclamped, limit can be turned part 38 and popped into position by the 5th spring 41, to realize automatic lock-bit.

The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims

1. a kind of folding pushchair, including hand push vehicle main body, which is characterized in that main body include rear foot tube (1), front foot pipe (2) and Seat (3)；It is provided with fold mechanism (6) between the rear foot tube (1), front foot pipe (2) and seat (3), fold mechanism (6) is used for Control folding between rear foot tube (1) and front foot pipe (2) and for controlling seat (3) towards rear foot tube (1) or front foot pipe (2) one The rotation of side.

2. a kind of folding pushchair according to claim 1, it is characterised in that: be equipped with solution in the fold mechanism (6) It locks button (7), the upper end of being unlocked by pressing button (7) can be relatively rotated between the seat (3) and rear foot tube (2)；Pressing The lower end of unblock button (7) can be relatively rotated between the front foot pipe (1) and rear foot tube (2).

3. a kind of folding pushchair according to claim 2, it is characterised in that: the lower section of unblock button (7) upper end It is formed with upper protruding block (18), is provided with below upper protruding block (18) and is relatively rotated between seat (3) and rear foot tube (2) for limiting The first circular shaft (14).

4. a kind of folding pushchair according to claim 3, it is characterised in that: installed on the fold mechanism (6) limited (15) are covered in position, offer the first limit hole (16) on limited cover (15), and the one of first circular shaft (14) corresponding upper protruding block (18) End is across the first limit hole (16) and forms the first press section (17).

5. a kind of folding pushchair according to claim 4, it is characterised in that: be provided with the in the fold mechanism (6) The lower end of one arc groove (12), the seat (3) is connected with the first rotation section (13), is equipped in the first rotation section (13) described The other end abutting of first circular shaft (14), and the sliding in first arc groove (12), first circular shaft (14) has first Spring (19), pressing the first press section (17) can compress the first spring (19), and the first circular shaft (14) is made to be detached from described first Limit hole (16).

6. a kind of folding pushchair according to claim 5, it is characterised in that: be fixed with first in the limited cover (15) Bearing (20) is provided with first sliding axle (21) in first bearing (20), and one end of first sliding axle (21) is laterally threaded through the In one limit hole (16), it is equipped with second spring (22) in first arc groove (12), second spring (22) is connected to first Between circular shaft (14) and an end face of the first arc groove (12), also set up between first circular shaft (14) and second spring (22) Have the first fitting (23), the first fitting (23) is fixed on first rotation section (13), the first rotation section (13) rotation When, it will compression second spring (22).

7. a kind of folding pushchair according to claim 2, it is characterised in that: the lower section of unblock button (7) lower end It is formed with lower protruding block (29), is provided with below lower protruding block (29) for limiting opposite between rear foot tube (1) and front foot pipe (2) turn Dynamic the second circular shaft (26).

8. a kind of folding pushchair according to claim 7, it is characterised in that: installed on the fold mechanism (6) limited (15) are covered in position, are also provided with the second limit hole (27) on limited cover (15), second circular shaft (26) corresponding lower protruding block (29) One end passes through the second limit hole (27) and forms the second press section (28).

9. a kind of folding pushchair according to claim 8, it is characterised in that: offer the in the fold mechanism (6) The upper end of two arc grooves (24), the front foot pipe (1) is provided with the second rotation section (25), and the is equipped in the second rotation section (25) Two circular shafts (26), the second circular shaft (26) sliding, other end of second circular shaft (26) in second arc groove (24) support It is connected to third spring (30), pressing the second press section (28) can compress third spring (30), and be detached from the second circular shaft (26) Second limit hole (27).

10. a kind of folding pushchair according to claim 9, it is characterised in that: be fixed with the in the limited cover (15) Two bearings (34), second bearing (34) is interior to be provided with second sliding axle (31), and one end of second sliding axle (31) is laterally threaded through In second limit hole (27), the 4th spring (32) is installed in second arc groove (24), the 4th spring (32) is connected to the Between two circular shafts (26) and an end face of the second arc groove (24), also set between second circular shaft (26) and the 4th spring (32) It is equipped with the second fitting (33), the second fitting (33) is fixed on second rotation section (25), and the second rotation section (25) turn When dynamic, it will the 4th spring (32) of compression；It is equipped with rotary handle (35), rotates in the seat (3) and/or front foot pipe (1) It is provided with the solution lock-switch (36) for turning part (38) rotation for controlling limit on handrail (35), connects in the middle part of the rotary handle (35) Be connected to rotation axis (37), the periphery of rotation axis (37) be slidably arranged it is limited turn part (38), limit turns the side of part (38) and forms It limits transfer part (39), the corresponding end face of the rotation axis (37) offers the limit pivoted housing (40) being caught in for limit transfer part (39), institute Stating the other side end face abutting corresponding with the rotation axis (37) that limit turns part (38) has the 5th spring (41), the solution lock-switch (36) it is fixed on the limit and turns part (38) surface；It is equipped with protecting cover (44) on the fold mechanism (6), is offered in protecting cover (44) The compatible groove (43) with round block (42), the middle-end of the unblock button (7) form round block (42), the unblock button (7) it can be swung up and down and be mounted in groove (43) by round block (42), the upper end of the fold mechanism (6) is respectively arranged with first The lower end of rotational area (8) and the second rotational area (9), the seat (3) is rotatably provided in first by the first fastener (10) In rotational area (8), the upper end of the front foot pipe (1) is rotatably provided in the second rotational area (9) by the second fastener (11).