Baby carriage

Abstract

The utility model discloses a baby carriage which comprises a hand push rod assembly, a front wheel assembly hinged to the lower portion of the hand push rod assembly, a rear wheel assembly hinged to the lower portion of the hand push rod assembly through a rear connecting rod, a front connecting rod hinged between the upper end of the front wheel assembly and the lower portion of the rear wheel assembly, and a backrest assembly connected to the joint of the hand push rod assembly and the front wheel assembly. A locking seat is arranged on the inner side of the connecting position of the hand push rod assembly and the front wheel assembly, the backrest assembly is provided with a backrest pivoting mechanism connected with the locking seat, the locking seat is provided with a locking button, a clamping block and a clamping block spring which move transversely are arranged in the locking seat, a button inclined face is arranged on the inner side of the locking button, and the clamping block is provided with a clamping block inclined face matched with the button inclined face. The locking seat is provided with a clamping groove matched with the clamping block. The backrest assembly and the locking base can be detached from the hand push rod assembly and the front wheel assembly, transportation and storage are convenient, the storage space is small, and the transportation cost is low.

Description

TECHNICAL FIELD

[0001] The utility model relates to a baby carriage. BACKGROUND

[0002] Baby carriage is a kind of tool car designed for the convenience of baby outdoor activities, wherein, folding baby carriage has small and light, simple control, convenient to carry, folding is convenient, brings convenience for mothers to travel, reduces the labor intensity of mothers or other people with baby.

[0003] The existing folding baby carriage generally includes frame and seat, and can be placed in the trunk of a car or the like when folding and storing, but the frame and seat of the general folding baby carriage cannot be disassembled, resulting in large volume when transporting and storing, occupying a large space, increasing storage space and transportation cost, and some can be disassembled, but the disassembly structure is relatively complex.

[0004] Moreover, the general folding baby carriage can only realize folding in one direction, and the folding action process is fixed, which is not conducive to use in various space scenes and brings inconvenience to storage. SUMMARY

[0005] The utility model aims at overcoming the insufficient of prior art, provide frame and seat disassembly convenient, simple structure, easy operation, small space occupation, convenient transportation package or storage, small storage space and low transportation cost's baby carriage.

[0006] The utility model aims at overcoming the insufficient of prior art, provide frame and seat disassembly convenient, simple structure, easy operation, small space occupation, convenient transportation package or storage, small storage space and low transportation cost's baby carriage.

[0007] A baby carriage, comprising a hand push rod assembly, a front wheel assembly is hinged to the lower part of the hand push rod assembly, a rear wheel assembly is hinged to the lower part of the hand push rod assembly through a rear connecting rod, a front connecting rod is hinged between the upper end of the front wheel assembly and the lower part of the rear wheel assembly, and a backrest assembly is connected to the connection between the hand push rod assembly and the front wheel assembly, characterized in that the inner side of the connection between the hand push rod assembly and the front wheel assembly is provided with a locking seat, the backrest assembly is provided with a backrest pivoting mechanism connected with the locking seat, the locking seat is provided with a locking button, the locking seat is provided with a transversely moving clamping block and a clamping block spring, the inner side of the locking button is provided with a button inclined surface, the clamping block is provided with a clamping block inclined surface matched with the button inclined surface, and the locking seat is provided with a clamping groove matched with the clamping block.

[0008] The baby carriage described above, characterized in that the front wheel assembly comprises a front wheel pivoting part, the front wheel pivoting part is provided with a clamping part, the locking seat is provided with a clamping slot for inserting the clamping part, the outer edge of the clamping slot is provided with a convex edge, and the clamping part is provided with a limiting slot matched with the convex edge.

[0009] The baby carriage described above, characterized in that the lower part of the front wheel pivoting part is provided with a protruding block, and the locking seat is provided with a groove matched with the protruding block.

[0010] The baby carriage as claimed in claim 1, characterized in that the front wheel pivot part is provided with a clamping block avoiding slot for the clamping block to retreat into.

[0011] The baby carriage as claimed in claim 1, characterized in that the backrest assembly comprises a backrest group, an armrest group and a footrest lever group, the backrest group is provided with a backrest pivot part, the armrest group is provided with an armrest pivot part connected with the backrest pivot part, the footrest lever group is provided with a footrest lever pivot part connected with the backrest pivot part, and the backrest pivot part, the armrest pivot part and the footrest lever pivot part are connected to form a backrest pivot mechanism.

[0012] The baby carriage as claimed in claim 1, characterized in that the backrest assembly is further provided with a folding switch assembly, the folding switch assembly comprises a folding locking block and a return spring arranged on the backrest pivot part, an operating member arranged on the backrest group, and a rope connecting the operating member and the folding locking block, and the footrest lever pivot part is provided with a locking slot for the locking block to be clamped into.

[0013] The baby carriage as claimed in claim 1, characterized in that the backrest pivot part is provided with a pushing inclined surface, the hand push lever assembly is provided with a hand push lever pivot part, a first rotation clutch structure is arranged between the hand push lever pivot part and the front wheel pivot part, a second rotation clutch structure is arranged between the front wheel pivot part and the backrest pivot mechanism, and a transmission member and a transmission member spring are arranged between the first rotation clutch structure and the second rotation clutch structure.

[0014] The baby carriage as claimed in claim 1, characterized in that the first rotation clutch structure comprises a front wheel inner clamping slot arranged on the inner side of the front wheel pivot part, a backrest clamping slot arranged on the footrest lever pivot part, and a first gear arranged between the front wheel inner clamping slot and the backrest clamping slot; the second rotation clutch structure comprises a hand push lever clamping slot arranged on the hand push lever pivot part, a front wheel outer clamping slot arranged on the outer side of the front wheel pivot part, and a second gear arranged between the hand push lever clamping slot and the front wheel outer clamping slot; the first gear is provided with a pair of gear rods, the transmission member comprises a pair of connecting rods connected with the pair of gear rods, and the pair of connecting rods are connected with a pushing ring.

[0015] The baby carriage as claimed in claim 1, characterized in that the elastic rope is connected between the lower part of the front wheel assembly and the lower part of the rear wheel assembly.

[0016] The baby carriage as claimed in claim 1, characterized in that the hand push lever assembly is folded and stored in the rear of the baby carriage with the front wheel pivot part as the center, and the backrest assembly is folded and stored in the front or rear of the baby carriage with the front wheel pivot part as the center.

[0017] The baby carriage as claimed in claim 1 has the following beneficial effects:

[0018] When the baby carriage is disassembled, the locking button is pressed down, the button inclined surface of the locking button pushes and lifts the clamping block inclined surface, the clamping block moves transversely to retreat from the clamping slot of the locking seat, at this time, the backrest assembly can be disassembled from the hand push lever assembly and the front wheel assembly together with the locking seat, which is convenient for transportation and storage, has small storage space and low transportation cost.

[0019] The utility model also has the bidirectional folding function, and the hand push rod assembly is folded to the back of the baby carriage with the front wheel pivot joint part as the center, and the backrest assembly is folded to the front or back of the baby carriage with the front wheel pivot joint part as the center.

[0020] After folding, the hand push rod assembly is rotated to the side of the rear wheel, and the folded baby carriage can stand.

BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the perspective view of the utility model;

[0022] Figure 2 It is the structure view of the utility model;

[0023] Figure 3 It is the structure explosion view of the utility model;

[0024] Figure 4 It is the structure view of the locking seat, the front wheel pivot joint part, the first gear and the first gear;

[0025] Figure 5 It is the structure view of the locking seat and the front wheel pivot joint part;

[0026] Figure 6 It is the structure view of the backrest assembly of the utility model;

[0027] Figure 7 It is the structure view of the backrest assembly of the utility model;

[0028] Figure 8 It is the structure view of the utility model with elastic rope belt;

[0029] Figure 9 It is the structure view in the first folding state of the utility model;

[0030] Figure 10 It is the structure view after the first folding state of the utility model;

[0031] Figure 11 It is the structure view in the second folding state of the utility model;

[0032] Figure 12 It is the structure view after the second folding state of the utility model.

DETAILED DESCRIPTION

[0033] The utility model will be further described below in connection with the drawings:

[0034] A kind of baby carriage, it includes hand push rod component 1, front wheel component 2 is hinged in lower part of hand push rod component 1, rear wheel component 3 is hinged with the lower part of hand push rod component 1 by rear connecting rod 31, front wheel component 2 upper end is hinged between the lower part of rear wheel component 3, hand push rod component 1 and front wheel component 2 connection place is also connected with backrest component 5, the inner side of hand push rod component 1 and front wheel component 2 connection place is equipped with locking seat 6, backrest component 5 is equipped with backrest pivot mechanism 50 connected with locking seat 6, locking seat 6 is equipped with locking button 61, locking seat 6 is equipped with transversely moving clamping block 62 and clamping block spring 63, the inner side of locking button 61 is equipped with button inclined surface 611, clamping block 62 is equipped with clamping block inclined surface 621 matched with button inclined surface, locking seat 6 is equipped with card slot 64 matched with clamping block 62.When disassembling, press locking button 61, the button inclined surface 611 of locking button 61 pushes the top clamping block inclined surface 621, clamping block 62 moves transversely and exits from card slot 64, at this time, backrest component 5 can be disassembled together with locking seat from hand push rod component 1 and front wheel component 2, convenient transportation and storage, disassembly is convenient, simple structure, easy operation, small space occupation, small storage space and low transportation cost.

[0035] The front wheel component 2 of the utility model includes front wheel pivot joint part 21, front wheel pivot joint part 21 is equipped with the clamping part 22, locking seat 6 is equipped with the clamping slot 65 for the clamping part 22 insertion, the outer edge of clamping slot 65 is equipped with convex edge 651, and the clamping part 22 is equipped with the limiting slot 221 matched with convex edge 651.

[0036] The locking seat 6 of the utility model is connected with backrest pivot mechanism 50, and locking seat 6 and front wheel pivot joint part 21 are both cylindrical, and locking seat 6 is equipped with button slot 60 for locking button 61 to move thereon.

[0037] The lower part of the front wheel pivot joint part 21 of the utility model is equipped with lug 23, and the locking seat 6 is equipped with recess 66 matched with lug 23.

[0038] The front wheel pivot joint part 21 of the utility model is equipped with clamping block avoiding slot 24 for the retreat of clamping block 62.

[0039] The backrest component 5 of the utility model includes backrest group 51, handrail group 52 and footrest lever group 53, backrest group 51 is equipped with backrest pivot joint part 511, handrail group 52 is equipped with handrail pivot joint part 521 connected with backrest pivot joint part 511, footrest lever group 53 is equipped with footrest lever pivot joint part 531 connected with backrest pivot joint part, and backrest pivot joint part 511 is connected with handrail pivot joint part 521 and footrest lever pivot joint part 531 to form backrest pivot mechanism 50.

[0040] The folding switch assembly 7 is arranged on the backrest assembly 5, and the folding switch assembly 7 comprises a folding locking block 71 and a reset spring 72 arranged on a backrest pivot joint 511, an operating member 73 arranged on the backrest assembly, and a rope (not shown in the figure) connecting the operating member 73 and the folding locking block 71.

[0041] The backrest pivot joint 511 is provided with a pushing inclined surface 501, the hand push rod assembly 1 is provided with a hand push rod pivot joint 11, a first rotary clutch structure 81 is arranged between the front wheel pivot joint 21 and the backrest pivot joint 50, a second rotary clutch structure 82 is arranged between the hand push rod pivot joint 11 and the front wheel pivot joint 21, and a transmission member 83 and a transmission member spring 84 are arranged between the first rotary clutch structure 81 and the second rotary clutch structure 82.

[0042] The first rotary clutch structure 81 comprises a front wheel inner clamping groove 811 arranged on the inner side of the front wheel pivot joint 21, the foot pedal rod pivot joint 531 is provided with a backrest clamping groove 812, and a first gear 813 is arranged between the front wheel inner clamping groove 811 and the backrest clamping groove 812; the second rotary clutch structure 82 comprises a hand push rod clamping groove 821 arranged on the hand push rod pivot joint 11, a front wheel outer clamping groove 822 arranged on the outer side of the front wheel pivot joint 21, and a second gear 823 arranged between the hand push rod clamping groove 821 and the front wheel outer clamping groove 822. The first gear 813 is provided with a pair of gear rods 8131, the transmission member 83 comprises a pair of connecting rods 831 connected with the pair of gear rods 8131, and the pair of connecting rods 831 are connected with a pushing ring 832.

[0043] As shown in Figure 1 , Figure 8 The utility model discloses a backrest pivot joint 511 is provided with a pushing inclined surface 501, the hand push rod assembly 1 is provided with a hand push rod pivot joint 11, a first rotary clutch structure 81 is arranged between the front wheel pivot joint 21 and the backrest pivot joint 50, a second rotary clutch structure 82 is arranged between the hand push rod pivot joint 11 and the front wheel pivot joint 21, and a transmission member 83 and a transmission member spring 84 are arranged between the first rotary clutch structure 81 and the second rotary clutch structure 82.

[0044] As shown in Figures 9-12 The utility model discloses a backrest pivot joint 511 is provided with a pushing inclined surface 501, the hand push rod assembly 1 is provided with a hand push rod pivot joint 11, a first rotary clutch structure 81 is arranged between the front wheel pivot joint 21 and the backrest pivot joint 50, a second rotary clutch structure 82 is arranged between the hand push rod pivot joint 11 and the front wheel pivot joint 21, and a transmission member 83 and a transmission member spring 84 are arranged between the first rotary clutch structure 81 and the second rotary clutch structure 82.

Claims

1. A baby carriage comprising a hand bar assembly (1), a front wheel assembly (2) hinged to the lower part of the hand bar assembly (1), a rear wheel assembly (3) hinged to the lower part of the hand bar assembly (1) by means of a rear link (31), a front link (20) hinged between the upper end of the front wheel assembly (2) and the lower part of the rear wheel assembly (3), a backrest assembly (5) connected to the joint of the hand bar assembly (1) and the front wheel assembly (2), characterized in that The inner side of the connection between the hand push rod assembly (1) and the front wheel assembly (2) is provided with a locking seat (6), the backrest assembly (5) is provided with a backrest pivot connection mechanism (50) connected with the locking seat (6), the locking seat (6) is provided with a locking button (61), the locking seat (6) is provided with a transversely moving clamping block (62) and a clamping block spring (63), the inner side of the locking button (61) is provided with a button inclined surface (611), the clamping block (62) is provided with a clamping block inclined surface (621) matched with the button inclined surface, and the locking seat (6) is provided with a clamping groove (64) matched with the clamping block (62).

2. A perambulator according to claim 1, characterised in that The front wheel assembly (2) comprises a front wheel pivot connection part (21), the front wheel pivot connection part (21) is provided with a clamping part (22), the locking seat (6) is provided with a clamping groove (65) for inserting the clamping part (22), and the outer edge of the clamping groove (65) is provided with a convex edge (651), and the clamping part (22) is provided with a limiting groove (221) matched with the convex edge (651).

3. A perambulator according to claim 1, characterised in that The lower part of the front wheel pivot connection part (21) is provided with a protruding block (23), and the locking seat (6) is provided with a groove (66) matched with the protruding block (23).

4. A perambulator according to claim 1, characterised in that The front wheel pivot connection part (21) is provided with a clamping block avoiding groove (24) for the clamping block (62) to retreat into.

5. A perambulator according to claim 1, characterised in that The backrest assembly (5) comprises a backrest group (51), an armrest group (52) and a foot pedal rod group (53), the backrest group (51) is provided with a backrest pivot connection part (511), the armrest group (52) is provided with an armrest pivot connection part (521) connected with the backrest pivot connection part (511), the foot pedal rod group (53) is provided with a foot pedal rod pivot connection part (531) connected with the backrest pivot connection part, and the backrest pivot connection part (511), the armrest pivot connection part (521) and the foot pedal rod pivot connection part (531) are connected to form the backrest pivot connection mechanism (50).

6. A perambulator according to claim 5, characterised in that The backrest assembly (5) is further provided with a folding switch assembly (7), the folding switch assembly (7) comprises a folding locking block (71) and a reset spring (72) arranged on the backrest pivot connection part (511), an operating member (73) arranged on the backrest group, and a rope (74) connecting the operating member (73) and the folding locking block (71), and the foot pedal rod pivot connection part (531) is provided with a locking groove (5311) for clamping the locking block (71).

7. A perambulator according to claim 5, wherein The backrest pivot connection part (511) is provided with a pushing inclined surface (501), the hand push rod assembly (1) is provided with a hand push rod pivot connection part (11), a first rotary clutch structure (81) is arranged between the hand push rod pivot connection part (11) and the front wheel pivot connection part (21), a second rotary clutch structure (82) is arranged between the front wheel pivot connection part (21) and the backrest pivot connection mechanism (50), and a transmission member (83) and a transmission member spring (84) are arranged between the first rotary clutch structure (81) and the second rotary clutch structure (82).

8. A perambulator according to claim 7, characterised in that The first rotating clutch structure (81) comprises a front wheel inner clamping groove (811) arranged inside the front wheel pivot part (21), a backrest clamping groove (812) arranged on the footrest lever pivot part (531), and a first gear (813) arranged between the front wheel inner clamping groove (811) and the backrest clamping groove (812); the second rotating clutch structure (82) comprises a hand push lever clamping groove (821) arranged on the hand push lever pivot part (11), a front wheel outer clamping groove (822) arranged outside the front wheel pivot part (21), and a second gear (823) arranged between the hand push lever clamping groove (821) and the front wheel outer clamping groove (822); the first gear (813) is provided with a pair of gear rods (8131), and the transmission member (83) comprises a pair of connecting rods (831) connected with the pair of gear rods (8131), and the pair of connecting rods (831) are connected with a pushing ring (832).

9. A perambulator according to claim 1, characterised in that The lower part of the front wheel assembly (2) and the lower part of the rear wheel assembly (3) are connected with the elastic rope (9).

10. A perambulator according to claim 1, characterised in that The hand push lever assembly (1) is folded towards the back of the baby carriage with the front wheel pivot part (21) as the center, and the backrest assembly (5) is folded towards the front or the back of the baby carriage with the front wheel pivot part (21) as the center.

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