CN220662608U

CN220662608U - Foldable framework for baby carriage

Info

Publication number: CN220662608U
Application number: CN202322422463.4U
Authority: CN
Inventors: 孔令涛; 钱金尧; 林军; 祁徐青
Original assignee: Anhui Betis Children's Products Co ltd
Current assignee: Anhui Betis Children's Products Co ltd
Priority date: 2023-09-07
Filing date: 2023-09-07
Publication date: 2024-03-26
Anticipated expiration: 2033-09-07

Abstract

The utility model relates to a foldable framework for a baby carriage, which comprises a handle, wherein a trigger switch is arranged on the inner side of the handle, a supporting rod is arranged at the bottom end of the handle, the bottom end of the supporting rod is connected with a first extensible rod which can be lengthened and shortened, the bottom end of the first extensible rod is connected with a connecting shaft, the connecting shaft is sleeved on a first L connecting frame, the lower part of the first L connecting frame is connected with a connecting base through a shaft, the connecting base is connected with a second L connecting frame which is symmetrically arranged with the first L connecting frame through a shaft, a first rear supporting rod is sleeved at the bottom end of the first L connecting frame, a second rear supporting rod is arranged below the first rear supporting rod, a rear wheel assembly which is connected through a shaft is arranged below the second rear supporting rod, and a baby seat is arranged on the second L connecting frame. The storage and the assembly of whole car are comparatively simple, set up multiunit rotation node and make the perambulator can be better folding, and this perambulator is comparatively small and exquisite, and whole car skeleton texture is less, can save the expense when processing production, and whole car uses the tripod skeleton can guarantee the stability of whole car.

Description

Foldable framework for baby carriage

Technical Field

The utility model relates to the technical field of strollers, in particular to a foldable frame for a stroller.

Background

The baby carriage is used as an indispensable product in the growth process of babies, and provides great convenience for taking care of the babies.

The existing baby carriage can be folded generally and is convenient to carry, but the traditional baby carriage is still large in submission after being folded, so that the conventional baby carriage is inconvenient for common families to go out, and the whole baby carriage is complex in structure and high in processing cost.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides a foldable baby carriage framework.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a folding perambulator skeleton, includes the handle, the handle is crooked form and sets up on the perambulator top, the handle inboard is provided with trigger switch, the handle bottom is provided with the support frame, the extensible first telescopic link that shortens is connected to the support frame bottom, sunshade pole is cup jointed at first telescopic link middle part, first telescopic link bottom hub connection connecting axle, the connecting axle cup joints on first L link, first L link below hub connection base, at the second L link that connects base hub connection and first L link symmetry set up, cup joint first back bracing piece in first L link bottom, first back bracing piece below is provided with the back bracing piece of second, second back bracing piece below is provided with the rear wheel subassembly of hub connection, second L link top is provided with infant seat, the second L link is provided with preceding bracing piece, preceding bracing piece below is provided with preceding wheel subassembly, be provided with the rotation subassembly between first back bracing piece and the back bracing piece of second.

Preferably, the joint of the first telescopic rod and the first L connecting frame is provided with a reinforcing rib for reinforcing strength, the joint of the first rear supporting rod and the first L connecting frame is provided with a reinforcing rib for reinforcing strength, and the joint of the front supporting rod and the second L connecting frame is provided with a reinforcing rib for reinforcing strength.

Preferably, the connecting base comprises a right hinge shell, a propping piece, a spline shaft, a left hinge shell and an end cover, wherein the right hinge shell is sleeved in the second L connecting frame, the left hinge shell is sleeved in the first L connecting frame, the right hinge shell is arranged on one side of the left hinge shell, the propping piece is arranged in the left hinge shell, and the spline shaft is arranged on one side of the propping piece;

the left side hinge shell one side is provided with the buckle ring, and buckle ring one side is provided with the end cover, and right side hinge shell one side is provided with the end cover.

Preferably, the middle of the right hinged shell is penetrated through a transmission rod, a tension spring is sleeved on the transmission rod, two pairs of lifting bosses are arranged on the outer ring of the transmission rod, one end of the transmission rod is connected with a propping piece through a shaft, and a thimble matched with a back hole of the spline shaft is arranged on the outer ring of the propping piece;

and a spline housing matched with the spline shaft is arranged on the inner wall of the right hinge shell.

Preferably, the trigger switch is connected with a brake cable, and the brake cable penetrates through the inside of the first telescopic rod and is connected with one end of the transmission rod.

Preferably, the infant seat comprises a seat connecting roller, a seat board, a backrest and armrests, wherein the seat connecting roller is arranged on the second L connecting frame, the seat board connected by a shaft is arranged above the seat connecting roller, the backrest is connected by a hinge, and the armrests are fixedly connected on the backrest.

Preferably, a telescopic second telescopic rod is arranged below the front support rod.

Preferably, the front wheel assembly comprises a universal shaft, a front wheel shaft and a compression spring, wherein the universal shaft is arranged below the second telescopic rod, the front wheel shaft is arranged below the universal shaft, the compression spring is arranged in the middle of the front wheel shaft, and the front wheel is arranged below the front wheel shaft.

Preferably, the rear wheel assembly comprises a rear wheel shaft, a brake pedal and rear wheels, wherein the rear wheel shaft is arranged below the second rear supporting rod, the rear wheels are arranged below the rear wheel shaft, and the brake pedal is arranged on one side of the rear wheels.

Preferably, the rotating assembly comprises a sealing cover, a first shaft sleeve, a second spline and a second shaft sleeve, wherein the first shaft sleeve and the second shaft sleeve are fixedly connected to the first rear supporting rod and the second rear supporting rod respectively, the second spline is connected to the shaft inside the second shaft sleeve in a penetrating way, the other side shaft of the second spline is connected with the first shaft sleeve, and the sealing cover is sleeved on the outer side of the first shaft sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the plurality of groups of folding nodes, the first telescopic rod, the first L connecting frame, the connecting base, the second telescopic rod, the baby seat and the rotating assembly are matched, the whole overlapping volume of the baby carriage can be reduced, the triangular framework is adopted as the body framework of the baby carriage, the whole stability of the baby carriage can be ensured, the number of the whole used frameworks of the baby carriage is small, and a large part of manufacturing cost can be saved;

2. according to the utility model, the trigger switch is arranged to be matched with the connecting base, so that the connecting base can be unlocked only by pressing the trigger switch when the baby carriage is required to be folded or used, the baby carriage base is supported, the control of the whole baby carriage is simple, and the integration of the whole baby carriage is high.

Drawings

FIG. 1 is a schematic view of the whole structure of a stroller according to the present utility model;

FIG. 2 is an overall side view of the stroller of the present utility model;

FIG. 3 is a schematic view of the stroller in the folded configuration;

FIG. 4 is a top view of the stroller in its fully folded configuration;

FIG. 5 is an enlarged schematic view of area A of FIG. 2 in accordance with the present utility model;

FIG. 6 is an enlarged schematic view of the internal structure of the region B in FIG. 5 according to the present utility model;

FIG. 7 is an enlarged schematic view showing the internal structure of the region C in FIG. 6 according to the present utility model;

fig. 8 is an enlarged schematic view of the internal structure of the D area in fig. 1 according to the present utility model.

In the figure: 1. a handle; 101. a support frame; 2. triggering a switch; 21. a brake cable; 3. a first telescopic rod; 32. a connecting shaft; 4. sunshade rods; 5. the base is connected; 51. a right hinge housing; 52. a pressing piece; 53. a spline shaft; 54. a left hinge housing; 55. an end cap; 56. a snap ring; 501. a thimble; 502. a transmission rod; 503. a tension spring; 504. lifting the boss; 6. a front support bar; 601. a second telescopic rod; 7. a first rear support bar; 71. a second rear support bar; 8. an infant seat; 81. a seat connection roller; 82. a seat plate; 83. a backrest; 84. an armrest; 9. a front wheel assembly; 901. a universal shaft; 902. a front axle; 903. a compression spring; 904. a front wheel; 10. a rear wheel assembly; 1001. a rear axle; 1002. a brake pedal; 1003. a rear wheel; 11. a rotating assembly; 1101. sealing cover; 1102. a first sleeve; 1103. a second spline; 1104. a second sleeve; 12. a first L-shaped connecting frame; 1201. and a second L-shaped connecting frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-8, a foldable stroller frame, including a handle 1, the handle 1 is crooked form and sets up on the perambulator top, handle 1 inboard is provided with trigger switch 2, handle 1 bottom is provided with support frame 101, the first telescopic link 3 of extendible and shortable is connected to support frame 101 bottom, sunshade pole 4 is cup jointed at the middle part of first telescopic link 3, first telescopic link 3 bottom hub connection connecting axle 32, connecting axle 32 cup joints on first L link 12, first L link 12 below hub connection base 5, connect base 5 hub connection and the second L link 1201 of first L link 12 symmetry setting, cup joint first back bracing piece 7 in first L link 12 bottom, be provided with second back bracing piece 71 below first back bracing piece 7, second back bracing piece 71 below is provided with the rear wheel subassembly 10 of hub connection, be provided with baby seat 8 above the second L link 1201, second L link 1201 is provided with preceding bracing piece 6, preceding wheel subassembly 9 is provided with in preceding bracing piece 6 below.

The first telescopic link 3 is provided with the strengthening rib that is used for strengthening intensity with first L link 12 junction, and the first back bracing piece 7 is provided with the strengthening rib that is used for strengthening intensity with first L link 12 junction, and preceding bracing piece 6 is provided with the strengthening rib that is used for strengthening intensity with second L link 1201 junction, and the rigidity of whole car can be guaranteed to the strengthening rib that sets up.

The connecting base 5 comprises a right hinge shell 51, a propping piece 52, a spline shaft 53, a left hinge shell 54 and an end cover 55, wherein the right hinge shell 51 is sleeved in the second L connecting frame 1201, the left hinge shell 54 is sleeved in the first L connecting frame 12, the right hinge shell 51 is arranged on one side of the left hinge shell 54, the propping piece 52 is arranged in the left hinge shell 54, and the spline shaft 53 is arranged on one side of the propping piece 52; the left hinge shell 54 one side is provided with buckle ring 56, and buckle ring 56 one side is provided with end cover 55, and right hinge shell 51 one side is provided with end cover 55, and the connection base 5 of setting is fixed first L link 12 and second L link 1201 respectively, and when connection base 5 unblock, first L link 12 rotatable to second L link 1201 one side, the whole car can be better accomodate.

The middle of the right hinge shell 51 is penetrated through a transmission rod 502, a tension spring 503 is sleeved on the transmission rod 502, two pairs of lifting bosses 504 are arranged on the outer ring of the transmission rod 502, one end shaft of the transmission rod 502 is connected with a propping piece 52, and a thimble 501 matched with a back hole of the spline shaft 53 is arranged on the outer ring of the propping piece 52; the inner wall of the right hinge shell 51 is provided with a spline housing matched with the spline shaft 53, when the right hinge shell 51 needs to be stored, the trigger switch 2 can be pressed, the brake cable 21 pulls the transmission rod 502, the transmission rod 502 rotates and simultaneously the propping piece 52 is propped forwards, the propping piece 52 is propped against the spline shaft 53 forwards, the spline shaft 53 is propped out of the spline housing in the right hinge shell 51, the spline shaft 53 is connected into the spline housing in the left hinge shell 54, and the connecting base 5 is unlocked.

The trigger switch 2 is connected with the brake cable 21, the brake cable 21 passes through the inside of the first telescopic rod 3 and is connected with one end of the transmission rod 502, and the trigger switch 2 can control the unlocking of the connecting base 5 to fold and store the baby carriage.

The baby seat 8 comprises a seat connecting roller 81, a seat board 82, a backrest 83 and armrests 84, the seat connecting roller 81 is arranged on a second L connecting frame 1201, the seat board 82 is connected with a shaft, a hinge connecting point backrest 83 is arranged on one side of the seat board 82, the armrests 84 are fixedly connected to the backrest 83, a telescopic second telescopic rod 601 is arranged below the front supporting rod 6, the arranged second telescopic rod 601 can shorten the front supporting rod 6 when the baby carriage is stored, the whole baby carriage can be folded better, and the baby seat 8 can be stored in a folding manner, so that the baby carriage can be stored in a folding manner.

The front wheel assembly 9 comprises a universal shaft 901, a front wheel shaft 902 and a compression spring 903, wherein the universal shaft 901 is arranged below the second telescopic rod 601, the front wheel shaft 902 is arranged below the universal shaft 901, the compression spring 903 is arranged in the middle of the front wheel shaft 902, the front wheel 904 is arranged below the front wheel shaft 902, the arranged front wheel assembly 9 has the compression spring 903, when encountering a pothole road surface, the protection effect on the baby carriage can be achieved, and the arranged universal shaft 901 enables the baby carriage to turn better when being pushed.

The rear wheel assembly 10 comprises a rear wheel axle 1001, a brake pedal 1002 and a rear wheel 1003, wherein the rear wheel axle 1001 is arranged below the second rear supporting rod 71, the rear wheel 1003 is arranged below the rear wheel axle 1001, the brake pedal 1002 is arranged on one side of the rear wheel 1003, and the rear wheel assembly 10 is used, when the baby carriage needs to be suspended, the baby carriage can be trampled on the brake pedal 1002 to fix the whole baby carriage.

The rotating assembly 11 comprises a sealing cover 1101, a first shaft sleeve 1102, a second spline 1103 and a second shaft sleeve 1104, wherein the first shaft sleeve 1102 and the second shaft sleeve 1104 are fixedly connected to a first rear supporting rod 7 and a second rear supporting rod 71 respectively, a second spline 1103 is connected to a shaft inside the second shaft sleeve 1104 in a penetrating mode, the other shaft of the second spline 1103 is connected with the second shaft sleeve 1104, the sealing cover 1101 is sleeved on the outer side of the second shaft sleeve 1104, the arranged rotating assembly 11 enables the second rear supporting rod 71 and the first rear supporting rod 7 to rotate and fold better, and occupied space is small when the whole vehicle is stored.

When the utility model is used, firstly, the backrest 83 rotates around the middle hinge point, the backrest 83 is placed down to be parallel to the seat plate 82, a user manually presses the trigger switch 2, the brake cable 21 in the trigger switch 2 is contracted by pulling force, the brake cable 21 pulls the transmission rod 502 to rotate, the transmission rod 502 rotates and simultaneously the propping piece 52 is propped forwards, the propping piece 52 is propped forwards to push out the spline shaft 53, the spline shaft 53 is pushed out of the spline sleeve in the right hinge shell 51, the spline shaft 53 is connected into the spline sleeve in the left hinge shell 54, at the moment, the connecting base 5 is unlocked, the left hinge shell 54 rotates to drive the first L connecting frame 12 to rotate, the first L connecting frame 12 intersects with the second L connecting frame 1201, the first L connecting frame 12 drives the first rear supporting rod 7 to rotate, at the moment, the second rear supporting rod 71 rotates around the rotary motion assembly 11, the second rear supporting rod 71 is shortened with the first rear supporting rod 7, when the first rear supporting rod 7 is parallel to the front supporting rod 6, the trigger switch 2 is released, and then the handle 1 is pressed, and the handle 1 rotates around the connecting shaft 32 to a position which coincides with a vehicle body as shown in fig. 4;

when the baby carriage needs to be propped open, a user only needs to pull the handle 1, rotate and pull the handle 1 around the connecting shaft 32 and press the trigger switch 2, the trigger switch 2 pulls the brake cable 21, the brake cable 21 pulls the transmission rod 502, the transmission rod 502 drives the propping piece 52 to extend, the propping piece 52 abuts against the spline shaft 53 to be moved out of the right hinge shell 51, at the moment, the left hinge shell 54 is unlocked from the right hinge shell 51, the user can rotate and align the first rear supporting rod 7, then rotate the second rear supporting rod 71, rotate the second rear supporting rod 71 to be parallel with the first rear supporting rod 7, then loosen the trigger switch 2 and align the backrest 83.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a foldable baby carriage framework, which comprises a handle (1), and is characterized in that, handle (1) is crooked form and sets up on the perambulator top, handle (1) inboard is provided with trigger switch (2), handle (1) bottom is provided with support frame (101), first telescopic link (3) that can lengthen and shorten are connected to support frame (101) bottom, sunshade pole (4) are cup jointed at first telescopic link (3) middle part, first telescopic link (3) bottom hub connection connecting axle (32), connecting axle (32) cup joint on first L link (12), first L link (12) below hub connection connects base (5), second L link (1201) that link (5) hub connection and first L link (12) symmetry set up, first back bracing piece (7) are cup jointed in first L link (12) bottom, first back bracing piece (7) below is provided with second back bracing piece (71), second back bracing piece (71) below is provided with hub connection's back wheel subassembly (10), second L link (1201) top is provided with front wheel subassembly (6) and is provided with front wheel (1201) of the front wheel subassembly (6), a rotating component (11) is arranged between the first rear supporting rod (7) and the second rear supporting rod (71).

2. The foldable stroller frame according to claim 1, wherein the connection between the first telescopic rod (3) and the first L-shaped connecting frame (12) is provided with a reinforcing rib for reinforcing strength, the connection between the first rear support rod (7) and the first L-shaped connecting frame (12) is provided with a reinforcing rib for reinforcing strength, and the connection between the front support rod (6) and the second L-shaped connecting frame (1201) is provided with a reinforcing rib for reinforcing strength.

3. The foldable stroller frame according to claim 2, wherein the connection base (5) comprises a right hinge shell (51), a pressing piece (52), a spline shaft (53), a left hinge shell (54) and an end cover (55), the right hinge shell (51) is sleeved in the second L connecting frame (1201), the left hinge shell (54) is sleeved in the first L connecting frame (12), the right hinge shell (51) is arranged at one side of the left hinge shell (54), the pressing piece (52) is arranged in the left hinge shell (54), and the spline shaft (53) is arranged at one side of the pressing piece (52);

a snap ring (56) is arranged on one side of the left hinge shell (54), an end cover (55) is arranged on one side of the snap ring (56), and an end cover (55) is arranged on one side of the right hinge shell (51).

4. A foldable stroller frame according to claim 3, characterized in that the middle of the right hinged shell (51) is penetrated through a transmission rod (502), a tension spring (503) is sleeved on the transmission rod (502), two pairs of lifting bosses (504) are arranged on the outer ring of the transmission rod (502), one end shaft of the transmission rod (502) is connected with a pressing piece (52), and a thimble (501) matched with a back hole of the spline shaft (53) is arranged on the outer ring of the pressing piece (52);

the inner wall of the right hinge shell (51) is provided with a spline housing matched with the spline shaft (53).

5. The foldable stroller frame of claim 4, wherein the trigger switch (2) is connected to a brake cable (21), and the brake cable (21) passes through the first telescopic rod (3) and is connected to one end of the transmission rod (502).

6. A foldable stroller frame according to claim 3, characterized in that the infant seat (8) comprises a seat connection roller (81), a seat board (82), a backrest (83) and an armrest (84), the seat connection roller (81) is arranged on the second L-shaped connection frame (1201), the seat board (82) connected by a shaft is arranged above the seat connection roller (81), the backrest (83) is connected by a hinge, and the armrest (84) is fixedly connected to the backrest (83).

7. A collapsible pushchair frame according to claim 3, wherein a second telescopic rod (601) is arranged under the front support rod (6).

8. The foldable stroller frame of claim 7, wherein the front wheel assembly (9) comprises a cardan shaft (901), a front wheel shaft (902) and a compression spring (903), the cardan shaft (901) is arranged below the second telescopic rod (601), the front wheel shaft (902) is arranged below the cardan shaft (901), the compression spring (903) is arranged in the middle of the front wheel shaft (902), and the front wheel (904) is arranged below the front wheel shaft (902).

9. The foldable stroller frame of claim 8, wherein the rear wheel assembly (10) comprises a rear wheel axle (1001), a brake pedal (1002) and a rear wheel (1003), the rear wheel axle (1001) is arranged below the second rear support bar (71), the rear wheel (1003) is arranged below the rear wheel axle (1001), and the brake pedal (1002) is arranged on one side of the rear wheel (1003).

10. The foldable stroller frame of claim 9, wherein the rotating assembly (11) comprises a sealing cover (1101), a first shaft sleeve (1102), a second spline (1103) and a second shaft sleeve (1104), the first shaft sleeve (1102) and the second shaft sleeve (1104) are fixedly connected to the first rear supporting rod (7) and the second rear supporting rod (71) respectively, a second spline (1103) is connected to a shaft inside the second shaft sleeve (1104) in a penetrating way, the other shaft of the second spline (1103) is connected with the second shaft sleeve (1104), and the sealing cover (1101) is sleeved outside the second shaft sleeve (1104).