CN208802034U

CN208802034U - A kind of frame for baby cart

Info

Publication number: CN208802034U
Application number: CN201821198681.7U
Authority: CN
Inventors: 徐江林
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-07-25
Filing date: 2018-07-25
Publication date: 2019-04-30
Anticipated expiration: 2028-07-25

Abstract

A kind of frame for baby cart that the utility model offer can be placed uprightly after returning the vehicle to the garage and knock off, its hand handle group includes lower handle pipe and is rotatably arranged in lower handle pipe upper end and U-shaped upper handle pipe, upper handle pipe is equipped with the first solution lock set for locking or unlocking upper handle pipe so that it is fixed or rotate relative to lower handle pipe, the end three of the lower end of lower handle pipe and the upper end of rear foot lever and preceding foot lever is hinged with joint jointly, the second solution lock set is equipped in lower handle pipe for unlocking joint so that lower handle pipe when upper handle pipe is relative to lower handle pipe rotation folding, foot lever and preceding foot lever three can mutually draw close folding afterwards, the middle part of mounting group and the lower part of lower handle stem are hinged, mounting support rod is hinged between the rear end of mounting group and the top of rear foot lever, the upper end and lower part of mounting support rod respectively with the rear end of mounting group and rear foot lever Top is hinged, and front foot connecting rod is hinged between the lower end of mounting support rod and the middle part of preceding foot lever.

Description

A kind of frame for baby cart

[technical field]

The utility model relates to a kind of frame for baby cart.

[background technique]

After traditional frame for baby cart folding, hand handle group can be generally retracted in the foot group of front and back, so when it is in independence It can not uprightly be placed when storage, and need to be laid flat, therefore it compares occupancy ground space.

[utility model content]

The technical problem to be solved by the present invention is to provide a kind of frame for baby cart that can uprightly place after returning the vehicle to the garage and knock off.

Purpose of the utility model is realized as follows:

A kind of frame for baby cart, comprising:

Front foot group, the front foot group include U-shaped preceding foot lever；

Rear foot group, the rear foot group include the rear foot lever that the end of upper end and the preceding foot lever is hinged；

Hand handle group, the hand handle group include lower handle pipe and are rotatably arranged in the lower handle pipe upper end and U-shaped Upper handle pipe, the upper handle pipe are equipped with the first solution lock set for locking or unlocking the upper handle pipe so that it is opposite The lower handle pipe is fixed or is rotated, the lower end of the lower handle pipe and the rear upper end of foot lever and the end of the preceding foot lever Portion three is hinged with joint jointly, under the second solution lock set is equipped in the lower handle pipe to be used to work as the upper handle pipe relatively Handle pipe unlocks the joint so that the lower handle pipe, rear foot lever and preceding foot lever three can mutually draw close receipts when rotating folding Folding.

Mounting group, the middle part of the mounting group and the lower part of the lower handle pipe are hinged, the rear end of the mounting group with Be hinged with mounting support rod between the top of foot lever after described, the upper end and lower part of the mounting support rod respectively with the mounting The rear end of group and the top of the rear foot lever are hinged, and between the lower end of the mounting support rod and the middle part of the preceding foot lever It is hinged with front foot connecting rod.

The utility model using the above structure, when needing to return the vehicle to the garage and knock off, unlocks the first locked component so that lower handle pipe is opposite Upper handle pipe rotates forward folding, and the second solution lock set unlocks joint after upper handle pipe rotates folding so that lower handle pipe, after Foot lever and preceding foot lever three can mutually draw close folding, and during folding, the foot lever rotation backward of lower handle pipe is drawn close, so that Mounting group rear end and the hinged place of mounting post upper move down, and mounting support rod lower end and front foot connecting rod is hinged Place up moves, so that preceding foot lever also draw close by foot lever rotation backward, after the completion of final folding, front foot group, rear foot group, mounting Group and lower handle pipe and upper handle pipe are generally parallel to each other, and with rear foot group (rear truckle) and lower handle pipe and upper handle pipe Hinge joint may make vehicle that can realize standing as supporting point so that the frame for baby cart after returning the vehicle to the garage and knock off can in independent storage Uprightly to place without laying flat, and then save ground space.

A kind of frame for baby cart as described above, further includes handrail group, and the handrail group is U-shaped and its end is equipped with handrail branch Strut, the middle part of the arm supports bar are cut with scissors jointly with the middle part of the mounting group and the lower part three of the lower handle pipe It connects, mounting connecting rod is hinged between the lower end of the arm supports bar and the middle part of the mounting support rod, during folding Mounting small end and the hinged place of arm supports bar lower end are close toward rear foot group, finally make handrail group and arm supports bar with Rear foot group is substantially parallel.

A kind of frame for baby cart as described above, the joint include successively being rotatablely connected and being fixedly arranged on the preceding foot lever upper end Preceding foot joint, be fixedly arranged on it is described after foot lever upper end rear foot joint and be fixedly arranged on the hand handle joint of the lower handle pipe lower end, It is rotationally equipped with articulation block and joint driven tooth block between the hand handle joint and the rear foot joint, the rear foot closes Section is equipped with the joint tooth socket to match with the external form of the joint driven tooth block, institute with the hand handle joint on opposite side Stating articulation block can rotate that the joint driven tooth block is driven to be axially moved (pass along it relative to the joint driven tooth block Save and be equipped with rotation toothing between rotating block and joint driven tooth block, this structure is the prior art) and be connected in the hand handle and close It is intra-articular to save between the rear foot joint or be fully retracted the rear foot, when driven tooth block is connected in hand handle joint and rear foot pass When between section, joint can not be rotated, when driven tooth block be fully retracted the rear foot it is intra-articular when, joint is rotatable.

The lower end of a kind of frame for baby cart as described above, the upper end of the lower handle pipe and the upper handle pipe, which is hinged with, to be turned Dynamic seat, the rotation seat include mutually being rotatablely connected and being fixedly arranged on the lower rotation seat of the lower handle pipe upper end and be fixedly arranged on described The upper rotation seat of upper handle pipe lower end, between the upper rotation seat and the lower rotation seat rotationally be equipped with swivel base rotating block and Swivel base driven tooth block, the upper rotation seat and the lower rotation seat are equipped with and the swivel base driven tooth block on opposite side The swivel base tooth socket that external form matches, the swivel base rotating block can rotate to drive the swivel base relative to the swivel base driven tooth block Driven tooth block is axially moved along it and (also is provided with rotation toothing between swivel base driven tooth block and swivel base driven tooth block) and be connected in It between the upper rotation seat and the lower rotation seat or is fully retracted in the lower rotation seat, when swivel base driven tooth block is connected in When between rotation seat and lower rotation seat, upper handle pipe can not rotate folding relative to lower handle pipe, when swivel base driven tooth block contracts completely When in into lower rotation seat, upper handle pipe can rotate folding relative to lower handle pipe along rotation seat.

A kind of frame for baby cart as described above, the first solution lock set includes can the relatively described upper handle pipe elastic telescopic Hand handle key, the first unlock drawstring and for locking or solving between the hand handle key and the swivel base rotating block The hand handle two for locking the hand handle key is locked, and the hand handle key is for pulling the first unlock drawstring so that described in its driving The rotation of swivel base rotating block when unlock hand handle two lock and presses hand handle key, can be by pulling the first unlock drawstring drive Swivel base rotating block rotation, so that swivel base driven tooth block is fully retracted in lower rotation seat, so that upper handle pipe can be along turning Dynamic seat rotates folding relative to lower handle pipe, and when unclamping hand handle key, hand handle key elastic reset, the first unlock drawstring resets immediately And swivel base rotating block is driven to be rotated in the opposite sense, so that swivel base driven tooth block return and being connected in upper rotation seat and lower turn When between dynamic seat, upper handle pipe can not rotate folding relative to lower handle pipe at this time.

A kind of frame for baby cart as described above, the second solution lock set include in the lower rotation seat and can be along them The flexible sliding shoe that returns the vehicle to the garage and knock off of axial elasticity, described return the vehicle to the garage and knock off are equipped between sliding shoe and the articulation block for pulling the pass Section rotating block and the second unlock drawstring for driving it to rotate, the bottom of the lower rotation seat is equipped with holding tank for the cunning of returning the vehicle to the garage and knock off Motion block retraction, is equipped with fixed pin in the lower rotation seat, the end of the second unlock drawstring around the fixed pin and with institute It is fixed to state the sliding shoe that returns the vehicle to the garage and knock off, when upper handle pipe rotates folding relative to lower handle pipe along rotation seat, drives lower rotation seat rotation simultaneously The holding tank of its bottom is set to be detached from the sliding shoe that returns the vehicle to the garage and knock off, the axis for sliding shoe handle pipe under of returning the vehicle to the garage and knock off under the press effect of lower rotation seat To moving down, pull the end of the second unlock drawstring is synchronous around fixed pin to transport when the sliding shoe that returns the vehicle to the garage and knock off moves down down It is dynamic, so that the whole axial direction along lower handle pipe of the second unlock drawstring up moves, and then drive articulation block can phase It is intra-articular to drive joint driven tooth block to be fully retracted the rear foot to the rotation of joint driven tooth block, so that joint can be rotated.

A kind of frame for baby cart as described above is hinged with forerunner frame on the outside of the upper rotation seat, the upper handle pipe Jigger frame is hinged on middle part.

A kind of frame for baby cart as described above, it is described after the middle part of foot lever be equipped with the hook that returns the vehicle to the garage and knock off, the upper handle pipe it is upper Portion is equipped with hand handle external member, and the hook that returns the vehicle to the garage and knock off is equipped with bayonet, and correspondingly, the outside of the hand handle external member is equipped with and the bayonet phase The grab of clamping, so that rear foot group is mutually fixed with upper handle pipe after returning the vehicle to the garage and knock off, so that vehicle standing is more stable after returning the vehicle to the garage and knock off.

[Detailed description of the invention]

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing, in which:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the decomposition texture schematic diagram of the utility model；

Fig. 3 is the structural schematic diagram of hand handle group described in the utility model；

Fig. 4 is one of the structural schematic diagram of hand handle group folding process described in the utility model；

Fig. 5 is the second structural representation of hand handle group folding process described in the utility model；

Fig. 6 is the third structural representation of hand handle group folding process described in the utility model；

Fig. 7 is one of the configuration state figure that the utility model vehicle returns the vehicle to the garage and knock off；

Fig. 8 is the two of the configuration state figure that the utility model vehicle returns the vehicle to the garage and knock off.

[specific embodiment]

A kind of frame for baby cart, comprising:

Front foot group 1, front foot group 1 include U-shaped preceding foot lever 11；

Rear foot group 2, the rear foot lever 21 that rear foot group 2 is hinged including the end of upper end and preceding foot lever 11；

Hand handle group 3, hand handle group 3 include lower handle pipe 31 and are rotatably arranged in lower 31 upper end of handle pipe and U-shaped upper Handle pipe 32, upper handle pipe 32 be equipped with first solution lock set 9 with for lock or unlock upper handle pipe 32 so that its relatively under Handle pipe 31 is fixed or rotates, and the lower end of lower handle pipe 31 is cut with scissors jointly with the upper end of rear foot lever 21 and the end three of preceding foot lever It is connected to joint 7, the second solution lock set 10 is equipped in lower handle pipe 31 for when upper handle pipe 32 is rotated relative to lower handle pipe 31 Joint 7 is unlocked when folding so that lower handle pipe 31, rear foot lever and 11 three of preceding foot lever can mutually draw close folding.

Mounting group 4, the middle part of mounting group 4 and the lower part of lower handle pipe 31 are hinged, the rear end of mounting group 4 and rear foot lever 21 Top between be hinged with mounting support rod 5, the upper end and lower part of mounting support rod 5 respectively with the rear end of mounting group 4 and the rear foot The top of bar 21 is hinged, and front foot connecting rod 12 is hinged between the lower end of mounting support rod 5 and the middle part of preceding foot lever 11；

Handrail group 6, handrail group 6 is U-shaped and its end is equipped with arm supports bar 61, the middle part of arm supports bar 61 and mounting The middle part of group 4 and the lower part three of lower handle pipe 31 are jointly hinged, in the lower end of arm supports bar 61 and mounting support rod 5 Mounting connecting rod 62 is hinged between portion.

Joint 7 includes successively being rotatablely connected and being fixedly arranged on the preceding foot joint 71 of preceding 11 upper end of foot lever, be fixedly arranged on rear foot lever 21 The rear foot joint 72 of upper end and the hand handle joint 73 for being fixedly arranged on lower 31 lower end of handle pipe, between hand handle joint 73 and rear foot joint 72 It is rotationally equipped with articulation block 74 and joint driven tooth block 75, rear foot joint 72 and hand handle joint 73 are equal on opposite side Equipped with the joint tooth socket that the external form with joint driven tooth block 75 matches, articulation block 74 can opposed articulation driven tooth block 75 Rotation is connected between hand handle joint 73 and rear foot joint 72 or complete to drive joint driven tooth block 75 to be axially moved along it It is full reduced into rear foot joint 72.

The upper end of lower handle pipe 31 and the lower end of upper handle pipe 32 are hinged with rotation seat 8, and rotation seat 8 includes that mutually rotation connects It connects and the lower rotation seat 81 for being fixedly arranged on lower 31 upper end of handle pipe and the upper rotation seat 82 for being fixedly arranged on 32 lower end of handle pipe, upper rotation Seat 82 and lower rotation seat 81 between rotationally be equipped with swivel base rotating block 83 and swivel base driven tooth block 84, upper rotation seat 82 with lower turn Dynamic seat 81 is equipped with the swivel base tooth socket to match with the external form of swivel base driven tooth block 84 on opposite side, and swivel base rotating block 83 can Relative to swivel base driven tooth block 84 rotate to drive swivel base driven tooth block 84 along its be axially moved and be connected in upper rotation seat 82 with Between lower rotation seat 81 or it is fully retracted in lower rotation seat 81.

First solution lock set 9 includes that can go up the hand handle key 91 of 32 elastic telescopic of handle pipe relatively, be set to hand handle key 91 The first unlock drawstring 92 between swivel base rotating block 83 and the lock of hand handle two 93 for locking or unlocking hand handle key 91, Hand handle key 91 is for pulling the first unlock drawstring 92 so that it drives swivel base rotating block 83 to rotate.

Second solution lock set 10 includes the sliding shoe that returns the vehicle to the garage and knock off that can be stretched in lower rotation seat 81 and along its axial elasticity 101, it returns the vehicle to the garage and knock off and is equipped between sliding shoe 101 and articulation block 74 for pulling articulation block 74 and driving the second of its rotation Unlock drawstring 102, the bottom of lower rotation seat 81 is equipped with holding tank 103 for 101 retraction of sliding shoe of returning the vehicle to the garage and knock off, in lower rotation seat 81 Equipped with fixed pin 104, the end of the second unlock drawstring 102 is fixed with the sliding shoe 101 that returns the vehicle to the garage and knock off around fixed pin 104.

The outside of upper rotation seat 82 is hinged with forerunner frame 100, is hinged with jigger frame 200 on the middle part of upper handle pipe 32.

The middle part of foot lever 21 is equipped with the hook 300 that returns the vehicle to the garage and knock off afterwards, and the top of upper handle pipe 32 is equipped with hand handle external member 400, and return the vehicle to the garage and knock off hook 300 are equipped with bayonet 3001, and correspondingly, the outside of hand handle external member 400 is equipped with the grab 4001 being clamped with 3001 phase of bayonet.

Configuration state figure when the utility model is unfolded is as shown in Figure 1, when needing to return the vehicle to the garage and knock off, step as shown in Figs. 4-6 Forerunner frame 100 and the upper handle pipe 32 of 200 king of jigger frame are first drawn close folding by operation, are then unlocked the lock of hand handle two 93 and are pressed Hand handle key 91, can be by pulling the first unlock drawstring 92 that swivel base rotating block 83 is driven to rotate, so that swivel base is driven Tooth block 84 is fully retracted in lower rotation seat 81, so that upper handle pipe 32 can be received along rotation seat 8 relative to the lower rotation of handle pipe 31 It is folded to position as shown in Figure 7, when upper handle pipe 32 rotates folding relative to lower handle pipe 31 along rotation seat 8, drives lower rotation Seat 81 rotates and the holding tank 103 of its bottom is made to be detached from the sliding shoe 101 that returns the vehicle to the garage and knock off, cunning of returning the vehicle to the garage and knock off under the press effect of lower rotation seat 81 Motion block 101 moves down along the axial direction of lower handle pipe 31, and the second unlock drawstring 102 is pulled when the sliding shoe 101 that returns the vehicle to the garage and knock off moves down End around fixed pin 104 and synchronization moves down so that the second unlock drawstring 102 is whole along lower handle pipe 31 It is axial up to move, so drive articulation block 74 can the rotation of opposed articulation driven tooth block 75 to drive joint driven tooth block 75 are fully retracted in rear foot joint 72, so that joint 7 can be rotated, and the rotation of foot lever 21 backward of lower handle pipe 31 is drawn close, So that 4 rear end of mounting group and the hinged place of 5 upper end of mounting support rod move down, 62 upper end of mounting connecting rod and arm supports The hinged place of 61 lower end of bar is close toward rear foot group 2, finally makes handrail group 6 and arm supports bar 61 and rear foot group 2 substantially flat Row, and 5 lower end of mounting support rod and the hinged place of front foot connecting rod 12 up move, so that the also foot lever backward of preceding foot lever 11 21 rotation draw close, as shown in Fig. 8, be finally completed vehicle folding, at this time front foot group 1, rear foot group 2, mounting group 4, handrail group 6 with And lower handle pipe 31 and upper handle pipe 32 are generally parallel to each other, and using rear foot group 2 (rear truckle) and rotation seat 8 as support Point may make that vehicle can realize standings so that the frame for baby cart after returning the vehicle to the garage and knock off individually store when can uprightly place without It lays flat, and then saves ground space.If desired expansion uses, then can be expanded to according to the inverted sequence operation of above-mentioned step of returning the vehicle to the garage and knock off Structure as shown in Figure 1.

Claims

1. a kind of frame for baby cart, characterized by comprising:

Front foot group (1), the front foot group (1) include U-shaped preceding foot lever (11)；

Rear foot group (2), the rear foot group (2) include the rear foot lever (21) that the end of upper end and the preceding foot lever (11) is hinged；

Hand handle group (3), the hand handle group (3) include lower handle pipe (31) and are rotatably arranged in lower handle pipe (31) upper end And U-shaped upper handle pipe (32), the upper handle pipe (32) are equipped with the first solution lock set (9) for locking or unlocking institute Handle pipe (32) is stated so that it is fixed relative to the lower handle pipe (31) or rotation, the lower end of the lower handle pipe (31) and institute The end three of the upper end and the preceding foot lever of stating rear foot lever (21) is hinged with joint (7) jointly, the lower handle pipe (31) The second solution lock set (10) is inside equipped with for unlocking when the upper handle pipe (32) is relative to lower handle pipe (31) rotation folding The joint (7) is so that the lower handle pipe (31), rear foot lever and preceding foot lever (11) three can mutually draw close folding；

Mounting group (4), the middle part of the mounting group (4) and the lower part of the lower handle pipe (31) are hinged, the mounting group (4) Rear end and it is described after foot lever (21) top between be hinged with mounting support rod (5), the upper end of the mounting support rod (5) and Top of the lower part respectively with the rear end of the mounting group (4) and the rear foot lever (21) is hinged, and the mounting support rod (5) Lower end and the preceding foot lever (11) middle part between be hinged with front foot connecting rod (12).

2. a kind of frame for baby cart according to claim 1, it is characterised in that it further include handrail group (6), the handrail group (6) U-shaped and its end is equipped with arm supports bar (61), the middle part at the middle part of the arm supports bar (61) and the mounting group (4) And the lower part three of the lower handle pipe (31) is jointly hinged, the lower end of the arm supports bar (61) and the mounting support Mounting connecting rod (62) are hinged between the middle part of bar (5).

3. a kind of frame for baby cart according to claim 1 or 2, it is characterised in that the joint (7) includes that successively rotation connects The rear foot joint for connecing and being fixedly arranged on the preceding foot joint (71) of preceding foot lever (11) upper end, be fixedly arranged on described rear foot lever (21) upper end (72) and be fixedly arranged on the hand handle joint (73) of lower handle pipe (31) lower end, the hand handle joint (73) and it is described after foot joint (72) articulation block (74) and joint driven tooth block (75), the rear foot joint (72) and the hand are rotationally equipped between Joint (73) are equipped on opposite side the joint tooth socket to match with the external form of the joint driven tooth block (75), it is described Articulation block (74) can rotate to drive the joint driven tooth block (75) along it relative to the joint driven tooth block (75) It is axially moved and is connected between the hand handle joint (73) and the rear foot joint (72) or is fully retracted the rear foot joint (72) in.

4. a kind of frame for baby cart according to claim 3, it is characterised in that the upper end of the lower handle pipe (31) with it is described The lower end of upper handle pipe (32) is hinged with rotation seat (8), the rotation seat (8) include mutually be rotatablely connected and be fixedly arranged on it is described under The lower rotation seat (81) of handle pipe (31) upper end and the upper rotation seat (82) for being fixedly arranged on upper handle pipe (32) lower end, it is described on Swivel base rotating block (83) and swivel base driven tooth block (84) are rotationally equipped between rotation seat (82) and the lower rotation seat (81), The upper rotation seat (82) and the lower rotation seat (81) are equipped with and the swivel base driven tooth block (84) on opposite side The swivel base tooth socket that external form matches, the swivel base rotating block (83) can rotate to drive relative to the swivel base driven tooth block (84) The swivel base driven tooth block (84) along its be axially moved and be connected in the upper rotation seat (82) and the lower rotation seat (81) it Between or be fully retracted in the lower rotation seat (81).

5. a kind of frame for baby cart according to claim 4, it is characterised in that first solution lock set (9) includes can be opposite The hand handle key (91) of upper handle pipe (32) elastic telescopic is set to the hand handle key (91) and the swivel base rotating block (83) the first unlock drawstring (92) between and the hand handle two for locking or unlocking the hand handle key (91) lock (93), The hand handle key (91) is for pulling first unlock drawstring (92) so that it drives swivel base rotating block (83) rotation.

6. a kind of frame for baby cart according to claim 5, it is characterised in that second solution lock set (10) includes being set to In the lower rotation seat (81) and the sliding shoe that returns the vehicle to the garage and knock off (101) that can stretch along its axial elasticity, the sliding shoe that returns the vehicle to the garage and knock off (101) with The second unlock drawing for pulling the articulation block (74) and it being driven to rotate is equipped between the articulation block (74) It restricts (102), the bottom of the lower rotation seat (81) is equipped with holding tank (103) for the sliding shoe that returns the vehicle to the garage and knock off (101) retraction, described Fixed pin (104) are equipped in lower rotation seat (81), the end of second unlock drawstring (102) bypasses the fixed pin (104) And it is fixed with the sliding shoe that returns the vehicle to the garage and knock off (101).

7. according to a kind of described in any item frame for baby cart of claim 4 to 6, it is characterised in that outside the upper rotation seat (82) Side is hinged with forerunner frame (100), is hinged with jigger frame (200) on the middle part of the upper handle pipe (32).

8. a kind of frame for baby cart according to claim 1 or 2, it is characterised in that the middle part of foot lever (21) is equipped with after described It returns the vehicle to the garage and knock off hook (300), the top of the upper handle pipe (32) is equipped with hand handle external member (400), and the hook that returns the vehicle to the garage and knock off (300) is equipped with bayonet (3001), correspondingly, the outside of the hand handle external member (400) is equipped with the grab (4001) being mutually clamped with the bayonet (3001).