CN212290000U - Bassinet frame and bassinet - Google Patents

Abstract

The utility model relates to a bassinet frame and bassinet, wherein the bassinet frame comprises a handle upper rod (1), a handle lower rod (12), a first connecting joint (4), a front foot rod (9), a rear foot rod (5) and a first sliding seat (10), the handle lower rod (12) is rotatably connected with the handle upper rod (1), the front foot rod (9) is rotatably connected with the rear foot rod (5) through the first connecting joint (4), the first sliding seat (10) is arranged at one end of the handle lower rod (12) far away from the handle upper rod (1) and is slidably connected on the front foot rod (9), the locking between the first sliding seat (10) and the front foot rod (9) is configured to be unlocked when the handle upper rod (1) is folded towards the handle lower rod (12) and is attached with the handle lower rod (12), so that the first sliding seat (10) can drive the handle lower rod (12) to slide along the front foot rod (9) in the direction away from the first connecting joint (4). The utility model discloses a receive to close and fold more simply and convenient.

Description

Bassinet frame and bassinet

Technical Field

The utility model relates to a bassinet technical field especially relates to a bassinet frame and bassinet.

Background

At present, when children are carried out, the children are usually put into a baby carriage by using the baby carriage, and the burden of adults is greatly reduced. The existing baby carriage has the disadvantages of complicated structure, inconvenient folding operation, larger volume after being folded and inconvenient carrying and transportation.

It is noted that the information disclosed in this background section of the invention is only for enhancement of understanding of the general background of the invention, and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a bassinet frame and bassinet, it is more convenient to fold receipts.

According to an aspect of the utility model, a bassinet frame is provided, include:

a handle is arranged on the rod;

the handle lower rod is rotatably connected with the handle upper rod;

a first connecting joint;

the front foot rod is rotatably connected with the rear foot rod through a first connecting joint; and

the first sliding seat is installed at one end, far away from the handle upper rod, of the handle lower rod and connected to the front foot rod in a sliding mode, and locking between the first sliding seat and the front foot rod is configured to be unlocked when the handle upper rod is folded towards the handle lower rod and attached to the handle lower rod, so that the first sliding seat can drive the handle lower rod to slide along the front foot rod in the direction far away from the first connecting joint.

In some embodiments, the first link joint includes a first link coupled to the forefoot bar and a second link rotatably coupled to the first link, the second link coupled to the rearfoot bar.

In some embodiments, the first connection joint includes a sleeve portion in which the handlebar lower bar is slidably disposed.

In some embodiments, the stroller frame further comprises a third link, a first end of the third link being rotatably coupled to the first slide shoe and a second end of the third link being rotatably coupled to the rear foot bar.

In some embodiments, the stroller frame further comprises a seat frame mounted on and rotatable relative to the first joint, and a back bar rotatably connected to the seat frame.

In some embodiments, the seat frame is detachably mounted to the first joint and can be mounted in a forward or reverse direction.

In some embodiments, the stroller frame further comprises a second sliding seat slidably mounted to the back bar and a fourth link rotatably coupled between the second sliding seat and the seat frame.

In some embodiments, the stroller frame further comprises a grab bar rotatably connected to the back bar and a fifth link rotatably connected between the second slide seat and the grab bar.

In some embodiments, the stroller frame further comprises a first unlocking assembly for unlocking the second slide seat from the back bar.

In some embodiments, the first unlocking assembly comprises a mounting seat, an unlocking block and a slider, the unlocking block is movably arranged on the mounting seat, the unlocking block comprises a locking part, the locking part is inserted into the locking hole of the second sliding seat, the slider is movably arranged relative to the back rod, and when the slider is driven, the slider can push the unlocking block to move so as to enable the locking part to be separated from the locking hole, so that unlocking of the second sliding seat is realized.

In some embodiments, a first locking component is arranged between the seat frame and the first connecting joint, and the first locking component is configured to be unlocked when the backrest rod is folded towards the seat frame and is jointed with the seat frame.

In some embodiments, the stroller frame further comprises a roof bar, the roof bar being connected to the back bar.

In some embodiments, the stroller frame further comprises a grab bar rotatably mounted to an end of the seat frame distal from the first connection joint.

In some embodiments, the grab bar is T-shaped.

In some embodiments, the stroller frame further comprises a second unlocking assembly mounted on top of the back bar for unlocking the back bar from the seat frame.

In some embodiments, the stroller frame further comprises a roof bar connected to the junction of the handlebar upper bar and the handlebar lower bar.

According to another aspect of the present invention, there is provided a stroller including the stroller frame described above.

Based on the above technical solution, in the embodiment of the present invention, the end of the handle lower rod away from the handle upper rod is provided with the first sliding seat, and the first sliding seat is slidably mounted on the front foot rod, so that after the handle upper rod and the handle lower rod are folded, the frame can be lifted upwards, and the handle upper rod and the handle lower rod slide along the front foot rod under the action of gravity, so as to further reduce the height of the frame, and the overall volume of the folded frame is smaller; moreover, the handle upper rod and the handle lower rod can be close to the lower end of the front foot rod in a sliding mode by arranging the first sliding seat, and the folding process is simpler and more convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the frame of the stroller of the present invention.

Fig. 2 is a side view of one embodiment of the stroller frame of the present invention.

Fig. 3 is a schematic structural view of an embodiment of the stroller frame of the present invention in a first retracted state.

Fig. 4 is a schematic structural view of an embodiment of the stroller frame of the present invention in a second retracted state.

Fig. 5 is a schematic structural view of an embodiment of the stroller frame of the present invention in a third retracted state.

Fig. 6 is a schematic structural view of an embodiment of the stroller frame of the present invention in a fourth retracted state.

Fig. 7 is a schematic structural view of an embodiment of the stroller frame of the present invention in a fifth collapsed state.

Fig. 8 is a schematic structural view of an embodiment of the stroller frame of the present invention in a fully retracted state.

Fig. 9 is a schematic structural view of another embodiment of the stroller frame of the present invention in a first retracted state.

Fig. 10 is a schematic structural view of another embodiment of the stroller frame of the present invention in a second retracted state.

Fig. 11 is a schematic structural view of another embodiment of the stroller frame of the present invention in a third retracted state.

Fig. 12 is a schematic structural view of another embodiment of the stroller frame of the present invention in a fourth retracted state.

Fig. 13 is a schematic structural view of another embodiment of the stroller frame of the present invention in a fifth collapsed state.

Fig. 14 is a schematic structural view of another embodiment of the stroller frame of the present invention in a fully retracted state.

Fig. 15 is a schematic structural view of another embodiment of the frame of the stroller of the present invention.

Fig. 16 is a side view of yet another embodiment of a stroller frame according to the present invention.

Fig. 17 is a schematic structural view of a stroller frame according to another embodiment of the present invention in a first retracted state.

Fig. 18 is a schematic structural view of a stroller frame according to another embodiment of the present invention in a second retracted state.

Fig. 19 is a schematic structural view of a stroller frame according to another embodiment of the present invention in a third retracted state.

Fig. 20 is a schematic structural view of a stroller frame according to a fourth embodiment of the present invention in a retracted state.

Fig. 21 is a schematic structural view of a stroller frame according to a further embodiment of the present invention in a fifth collapsed state.

Fig. 22 is a schematic structural view of a stroller frame according to another embodiment of the present invention in a fully retracted state.

Fig. 23 is an exploded view of a second sliding seat in an embodiment of the stroller frame of the present invention.

In the figure:

1. a handle is arranged on the rod; 2. a second connecting joint; 3. a second sliding seat; 4. a first connecting joint; 41. a first connecting member; 42. a second connecting member; 5. a rear foot bar; 6. a rear wheel; 7. a front wheel; 8. 8', a third connecting piece; 9. a front foot bar; 10. a first sliding seat; 11. a seat frame; 12. a lower rod is held; 13. a fourth connecting member; 14. a fifth connecting member; 15. 15', a grab rail; 16. a ceiling pole; 17. a back rest rod; 18. a third unlocking assembly; 19. a second unlocking assembly; 20. a third connecting joint; 21. a mounting seat; 22. unlocking the block; 23. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "longitudinal", "front", "rear", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the scope of the invention.

Referring to fig. 1 and 2, in some embodiments of the stroller frame provided in the present invention, the frame includes a handle upper rod 1, a handle lower rod 12, a first connection joint 4, a front foot rod 9, a rear foot rod 5 and a first sliding seat 10, the handle lower rod 12 is rotatably connected to the handle upper rod 1, the front foot rod 9 is rotatably connected to the rear foot rod 5 through the first connection joint 4, the first sliding seat 10 is installed at one end of the handle lower rod 12 away from the handle upper rod 1 and slidably connected to the front foot rod 9, and the locking between the first sliding seat 10 and the front foot rod 9 is configured to be unlocked when the handle upper rod 1 is folded toward the handle lower rod 12 and attached to the handle lower rod 12, so that the first sliding seat 10 can drive the handle lower rod 12 to slide along the front foot rod 9 in a direction away from the first connection joint 4.

In the above embodiment, the end of the handlebar lower rod 12 away from the handlebar upper rod 1 is provided with the first sliding seat 10, and the first sliding seat 10 is slidably mounted on the front foot rod 9, so that after the handlebar upper rod 1 and the handlebar lower rod 12 are folded, the frame can be lifted upwards, and the handlebar upper rod 1 and the handlebar lower rod 12 slide along the front foot rod 9 under the action of gravity, so as to further reduce the height of the frame, and the folded frame has a smaller overall volume; moreover, by arranging the first sliding seat 10, the handle upper rod 1 and the handle lower rod 12 can be close to the lower end of the front foot rod 9 in a sliding manner, and the folding process is simpler and more convenient.

In the above embodiment, the handle upper rod 1 and the handle lower rod 12 are folded with the front foot rod 9 in a sliding manner, so that on one hand, the folded volume of the frame can be reduced, and on the other hand, the intermediate connecting rods can be reduced by adopting the sliding manner, thereby simplifying the frame structure.

In some embodiments, the first joint 4 includes a first link 41 and a second link 42 rotatably coupled to the first link 41, the first link 41 is coupled to the forefoot bar 9, and the second link 42 is coupled to the rearfoot bar 5.

By providing the first joint 4 to include the first link 41 and the second link 42, the fore-aft distance between the forefoot bar 9 and the rearfoot bar 5 can be increased, providing more space for relative rotation between the forefoot bar 9 and the rearfoot bar 5.

The first connecting joint 4 is provided with the first connecting piece 41 and the second connecting piece 42, so that the second connecting piece 42 can be used as a reliable support for a seat assembly consisting of the seat frame 11, the backrest rod 17, the ceiling rod 16, the grab bar 15 and the like, and the stability of the frame when the seat assembly is assembled and disassembled is improved. The seat assembly is mounted on the second link 42 such that the mounting position of the seat assembly is moved in a direction close to the rear foot bar 5, which is advantageous in improving the stability of the vehicle.

In some embodiments, the first link 41 may also be an extension of the forefoot bar 9 by fixedly coupling the first link 41 to the forefoot bar 9. The first connecting piece 41 and the front foot rod 9 have a preset included angle therebetween.

In some embodiments, the second connecting member 42 is fixedly connected to the rear foot bar 5, and the second connecting member 42 can also be an extension of the rear foot bar 5. The second connecting member 42 has a predetermined angle with the rear leg bar 5.

The first connecting member 41 is rotatably connected with the second connecting member 42 to realize the relative rotation between the front leg rod 9 and the rear leg rod 5.

In some embodiments, the first connection joint 4 includes a sleeve portion in which the handlebar lower stem 12 is slidably disposed.

Through the arrangement of the sleeve portion, the sliding of the handle lower rod 12 can be further limited and guided, and the stability of the handle lower rod 12 in the sliding process is effectively ensured.

In some embodiments, the stroller frame further comprises a third link 8, 8', a first end of the third link 8, 8' being rotatably connected to the first sliding seat 10 and a second end of the third link 8, 8' being rotatably connected to the rear foot bar 5.

Through the third connecting pieces 8 and 8', when the first sliding seat 10 slides to the lower end of the front foot rod 9 along the front foot rod 9, the first sliding seat 10 can drive the rear foot rod 5 to approach the front foot rod 9, so that the front foot rod 9 and the rear foot rod 5 can be folded.

The specific configuration of the third connector may be varied, for example, in some embodiments the third connector 8 is in the form of a straight bar. In another embodiment, the third connection 8' is in the form of a bent rod, for example in the shape of a circular arc.

In some embodiments, the stroller frame further comprises a seat frame 11 and a back lever 17, the seat frame 11 being mounted on the first joint 4 and being rotatable relative to the first joint 4, the back lever 17 being rotatably connected to the seat frame 11.

In some embodiments, the seat frame 11 is detachably mounted on the first joint 4 and can be mounted in a forward direction or a reverse direction.

The seat frame 11 can be mounted on the first connecting joint 4 forward, as shown in fig. 1 to 8; the seat can also be installed backwards in a reverse direction as shown in fig. 9-14, so as to meet different riding requirements of children.

In some embodiments, the stroller frame further comprises a second sliding seat 3 and a fourth link 13, the second sliding seat 3 being slidably mounted on the back bar 17, the fourth link 13 being rotatably connected between the second sliding seat 3 and the seat frame 11.

By providing the second sliding seat 3 and the fourth link 13, the back lever 17 can be kept relatively fixed to the seat frame 11. When the locking action of the second sliding seat 3 is unlocked and the second sliding seat 3 can slide relative to the backrest rod 17, the backrest rod 17 can move relative to the seat frame 11, and then the backrest rod 17 can be folded.

In some embodiments, the stroller frame further comprises a grab bar 15 and a fifth link 14, the grab bar 15 being rotatably connected to the back rest bar 17, the fifth link 14 being rotatably connected between the second slide seat 3 and the grab bar 15.

The arrangement of the grab bar 15 and the fifth connecting piece 14 can lead the grab bar 15 and the back rest bar 17 to be linked, and when the back rest bar 17 rotates relative to the seat frame 11, the grab bar 15 can be driven to be folded towards the seat frame 11, thereby improving the folding efficiency. The fifth connecting member 14 has the functions of supporting the grab bar 15 and driving the grab bar 15 to be linked with the back rest lever 17.

In some embodiments, the stroller frame further comprises a first unlocking assembly for unlocking between the second sliding seat 3 and the back bar 17.

In some embodiments, as shown in fig. 23, the first unlocking assembly includes a mounting seat 21, an unlocking block 22 and a slider 23, the unlocking block 22 is movably disposed on the mounting seat 21, the unlocking block 22 includes a locking portion inserted into a locking hole of the second sliding seat 3, the slider 23 is movably disposed relative to the back lever 17, and when the slider 23 is driven, the slider 23 can push the unlocking block 22 to move so as to disengage the locking portion from the locking hole, thereby unlocking the second sliding seat 3.

When the second sliding seat 3 needs to be unlocked, the slider 23 may be driven to move relative to the back lever 17, the movement of the slider 23 may push the unlocking block 22 to move relative to the mounting seat 21, and the movement of the unlocking block 22 may drive the locking portion to disengage from the locking hole, so that the locking of the locking portion on the second sliding seat 3 is released, the locking function of the second sliding seat 3 is released, and the second sliding seat 3 may slide relative to the back lever 17.

The second sliding seat 3 is in a sleeve structure form, the second sliding seat 3 is sleeved on the periphery of the backrest rod 17, and after the locking action of the second sliding seat 3 is released, the second sliding seat 3 can slide along the backrest rod 17.

In some embodiments, the mounting seat 21 is provided with a slot, the unlocking block 22 is slidably disposed in the slot, and the unlocking block 22 moves relative to the mounting seat 21 under the pushing action of the slider 23.

The mounting seat 21 may be fixedly mounted inside the back lever 17.

The unlocking block 22 includes a first mating portion, the slider 23 includes a second mating portion, and the unlocking block 22 and the slider 23 are mated through the first mating portion and the second mating portion, so that the slider 23 can push the unlocking block 22 to slide relative to the mounting seat 21 when moving relative to the back lever 17.

The first matching portion is arranged on a first inclined surface of the unlocking block 22, the second matching portion comprises a second inclined surface arranged on the sliding block 23, and when the sliding block 23 moves, the second inclined surface pushes the first inclined surface to move, so that the unlocking block 22 is driven.

In some embodiments, the first unlocking assembly further comprises an unlocking button and a first steel wire rope, one end of the first steel wire rope is connected with the sliding block 23, the other end of the first steel wire rope is connected with the unlocking button, and the first steel wire rope can be pulled by pressing the unlocking button, so that the sliding block 23 is pulled.

When the second sliding seat 3 needs to be unlocked, the unlocking button can be pressed first, the first steel wire rope is pulled, the sliding block 23 is pulled by the first steel wire rope to move relative to the backrest rod 17, the sliding block 23 can push the unlocking block 22 to move relative to the mounting seat 21 through the matching of the second inclined surface and the first inclined surface, the locking part is driven by the movement of the unlocking block 22 to be separated from the lock hole, and therefore the locking of the locking part on the second sliding seat 3 is released, and the second sliding seat 3 can slide relative to the backrest rod 17. When the second sliding seat 3 can slide relative to the back lever 17, it can press down against the back lever 17, and the folding of the back lever 17 are realized.

In some embodiments, the unlocking button may be disposed on a side surface of the back lever 17, may be disposed at a top middle position of the back lever 17, or the like.

In some embodiments, a first locking component is provided between the seat frame 11 and the first connecting joint 4, and the first locking component is configured to be unlocked when the back lever 17 is folded toward the seat frame 11 and attached to the seat frame 11.

The first locking member may be disposed within the first joint 4. By providing the first locking member, it is possible to unlock when the back lever 17 is folded toward the seat frame 11 and attached to the seat frame 11, so that the seat frame 11 can be rotated with respect to the first link joint 4, thereby folding the seat frame 11 and the back lever 17 together toward the front foot lever 9. Through setting up first locking Assembly, can improve the linkage nature of frame folding process, keep the locking effect between seat frame 11 and the first joint 4 when back pole 17 is not folded to target in place simultaneously, prevent that seat frame 11 from just rotating for first joint 4 when back pole 17 is not folded to target in place, cause folding uncontrollable, take place folding failure easily or arouse the potential safety hazard.

In some embodiments, the stroller frame further comprises a roof bar 16, the roof bar 16 being connected to a back bar 17. The canopy rod 16 may be used to support the canopy of the frame, which is used to protect the head of the child.

The ceiling bar 16 may be rotatably mounted on the back rest bar 17 so that the folding of the ceiling bar 16 is also achieved when the back rest bar 17 is folded.

In the embodiment shown in fig. 15-22, the stroller frame further comprises a grab bar 15', the grab bar 15' being rotatably mounted to an end of the seat frame 11 remote from the first joint 4.

The grab bar 15' is rotatably mounted at one end of the seat frame 11 far away from the first connecting joint 4, the back lever 17 is rotatably mounted at one end of the seat frame 11 near the first connecting joint 4, so that the grab bar 15' and the back lever 17 can be relatively independent, and the rotation folding of the grab bar 15' relative to the seat frame 11 is independent of the rotation folding of the back lever 17 relative to the seat frame 11.

A snap-fit structure may be provided between the grab bar 15' and the seat frame 11, and the grab bar 15' is held fixed relative to the seat frame 11 by the snap-fit structure when the grab bar 15' is rotated to a predetermined position relative to the seat frame 11. When the grab rail 15 'needs to be folded, the clamping structure is unlocked through external force, and the grab rail 15' is pressed towards the seat frame 11.

In some embodiments, the grab bar 15' is T-shaped. The structure has good stability, is convenient for children to grasp, and is also convenient for the connection of the grab bar 15' and the seat frame 11.

In some embodiments, the stroller frame further comprises a second unlocking assembly 19 mounted on top of the back lever 17, the second unlocking assembly 19 for unlocking the back lever 17 from the seat frame 11.

In some embodiments, the stroller frame further comprises a roof rail 16, the roof rail 16 being connected to the connection of the handlebar upper 1 and the handlebar lower 12. In these embodiments, ceiling bar 16 is connected to the joint of handle upper bar 1 and handle lower bar 12, ceiling bar 16 is not connected to back bar 17, and ceiling bar 16 can be folded toward handle lower bar 12 along with handle upper bar 1.

In the above embodiments, the first connecting member 41, the second connecting member 42, the third connecting members 8, 8', the fourth connecting member 13 and the fifth connecting member 14 may be rigid rods to improve the supporting function, and at the same time, may perform better pulling and linking functions during the folding process. In other embodiments, the connecting members may also be rigid plate structures, straight rods, or bent rods.

The following description is provided for the folding process of the stroller frame of the present invention with reference to the accompanying drawings 1 to 23:

in the embodiment shown in fig. 1 and 2, the stroller frame comprises a handle upper bar 1, a second connecting joint 2, a second sliding seat 3, a first connecting joint 4, a rear foot bar 5, a rear wheel 6, a front wheel 7, a third link 8, a front foot bar 9, a first sliding seat 10, a seat frame 11, a handle lower bar 12, a fourth link 13, a fifth link 14, a grab bar 15, a roof bar 16, a backrest bar 17, and a third unlocking assembly 18.

The handle upper rod 1 and the handle lower rod 12 are rotatably connected through the second connecting joint 2, and the third unlocking assembly 18 is arranged at the middle part of the top of the handle upper rod 1 and used for unlocking the second connecting joint 2. By actuating the third unlocking assembly 18, the second joint 2 can be unlocked, so that the handlebar upper lever 1 can be rotated relative to the handlebar lower lever 12.

The first joint 4 includes a first link 41 and a second link 42 rotatably connected. The first connecting member 41 is fixedly connected to the top of the front leg bar 9, and the second connecting member 42 is fixedly connected to the top of the rear leg bar 5. The bottom of the front foot rod 9 is connected with a front wheel 7, and the bottom of the rear foot rod 5 is connected with a rear wheel 6.

The first sliding seat 10 is disposed at one end of the handlebar lower rod 12 close to the front foot rod 9, and the first sliding seat 10 includes a first sleeve portion through which the front foot rod 9 movably passes. The first connecting member 41 includes a second sleeve portion in which the handle lower lever 12 is movably inserted. The third link 8 is rotatably connected to the first sliding seat 10 and the middle upper portion of the rear foot bar 5.

The seat frame 11 is rotatably connected to the second link 42, and the back lever 17 is rotatably connected to the seat frame 11. The second sliding seat 3 includes a third sleeve portion in which the back lever 17 is movably inserted. A fourth link 13 is rotatably connected between the back lever 17 and the seat frame 11. The grab bar 15 is rotatably connected to the back rest lever 17, and a fifth link 14 is rotatably connected between the grab bar 15 and the back rest lever 17. The ceiling lever 16 is rotatably mounted on the back lever 17. The frame is also provided with a first unlocking component for unlocking the sliding relation between the second sliding seat 3 and the backrest rod 17.

Fig. 3 to 8 show the folding process of the embodiment shown in fig. 1 and 2 when the seat frame 11 is mounted in the forward direction.

When the frame needs to be folded, as shown in fig. 3, the ceiling rod 16 is firstly folded towards the backrest rod 17 until the ceiling rod 16 and the backrest rod 17 are basically parallel or contacted;

next, as shown in fig. 4, the first locking assembly is unlocked, so that the second sliding seat 3 can slide relative to the back rod 17, press the back rod 17 downwards, fold the back rod 17 and the ceiling rod 16 together towards the seat frame 11, and the back rod 17 can simultaneously drive the handrail rod 15 to fold together until the back rod 17 is substantially parallel to or in contact with the seat frame 11;

then, as shown in fig. 5, when the back rest lever 17 is substantially parallel to or in contact with the seat frame 11, the locking relationship of the first locking component between the seat frame 11 and the second connecting piece 42 is released, and at this time, the back rest lever 17 and the seat frame 11 can be continuously pressed downwards so that the seat frame 11, the back rest lever 17, the grab bar 15 and the ceiling bar 16 are close to the front foot bar 9 together until the seat frame 11 and the front foot bar 9 are substantially parallel to or attached to each other, and the folding of the seat frame 11, the back rest lever 17, the grab bar 15 and the ceiling bar 16 is completed;

as shown in fig. 6, when the third unlocking assembly 18 is operated to unlock the second connecting joint 2, the handle upper rod 1 is rotated to fold the handle upper rod 1 toward the handle lower rod 12, and the sliding relationship of the first sliding seat 10 with respect to the front foot rod 9 is unlocked when the handle upper rod 1 is substantially parallel to or in abutting contact with the handle lower rod 12;

as shown in fig. 7, under the action of gravity, the first sliding seat 10 slides downwards along the front foot rod 9, and drives the handle upper rod 1 and the handle lower rod 12 to slide downwards together, and simultaneously drives the rear foot rod 5 to approach the front foot rod 9 through the third connecting piece 8;

as shown in fig. 8, the fully folded frame is small in overall size and convenient to store and carry.

Fig. 9 to 14 show a folding process of the embodiment shown in fig. 1 and 2 when the seat frame 11 is mounted in a reverse direction.

When the frame needs to be folded, as shown in fig. 9, the ceiling rod 16 is firstly folded towards the backrest rod 17 until the ceiling rod 16 and the backrest rod 17 are basically parallel or contacted;

next, as shown in fig. 10, the first locking assembly is unlocked, so that the second sliding seat 3 can slide relative to the back rod 17, press the back rod 17 downwards, fold the back rod 17 and the ceiling rod 16 together towards the seat frame 11, and the back rod 17 can simultaneously drive the handrail rods 15 to fold together until the back rod 17 is substantially parallel to or in contact with the seat frame 11;

then, as shown in fig. 11, when the back rest lever 17 is substantially parallel to or in contact with the seat frame 11, the locking relationship of the first locking component between the seat frame 11 and the second connecting member 42 is released, and at this time, the back rest lever 17 and the seat frame 11 can be continuously pressed downward, so that the seat frame 11, the back rest lever 17, the grab bar 15 and the ceiling bar 16 approach the rear foot bar 5 together until the seat frame 11 and the rear foot bar 5 are substantially parallel to or fit with each other, and the folding of the seat frame 11, the back rest lever 17, the grab bar 15 and the ceiling bar 16 is completed;

as shown in fig. 12, when the third unlocking assembly 18 is operated to unlock the second connecting joint 2, the handle upper bar 1 is rotated to fold the handle upper bar 1 toward the handle lower bar 12, and the sliding relationship of the first sliding seat 10 with respect to the front foot bar 9 is unlocked when the handle upper bar 1 is substantially parallel to or in abutting contact with the handle lower bar 12;

as shown in fig. 13, under the action of gravity, the first sliding seat 10 slides downwards along the front leg bar 9, and drives the handle upper bar 1 and the handle lower bar 12 to slide downwards together, and simultaneously drives the rear leg bar 5, the seat frame 11, the backrest bar 17, the grab bar 15 and the ceiling bar 16 to approach the front leg bar 9 together through the third connecting piece 8;

as shown in fig. 14, the overall size of the frame is small and convenient for storage and carrying, as a state diagram of the frame after being completely folded.

In the embodiment shown in fig. 15 and 16, the stroller frame includes a handlebar upper bar 1, a second connecting joint 2, a first connecting joint 4, a rear foot bar 5, a rear wheel 6, a front wheel 7, a third link 8', a front foot bar 9, a first sliding seat 10, a seat frame 11, a handlebar lower bar 12, a fourth link 13, a fifth link 14, a grab bar 15', a roof bar 16, a back bar 17, a third unlocking assembly 18, a second unlocking assembly 19, and a third connecting joint 20.

The handle upper rod 1 and the handle lower rod 12 are rotatably connected through the second connecting joint 2, and the third unlocking assembly 18 is arranged at the middle part of the top of the handle upper rod 1 and used for unlocking the second connecting joint 2. By actuating the third unlocking assembly 18, the second joint 2 can be unlocked, so that the handlebar upper lever 1 can be rotated relative to the handlebar lower lever 12.

The first joint 4 includes a first link 41 and a second link 42 rotatably connected. The first connecting member 41 is fixedly connected to the top of the front leg bar 9, and the second connecting member 42 is fixedly connected to the top of the rear leg bar 5. The bottom of the front foot rod 9 is connected with a front wheel 7, and the bottom of the rear foot rod 5 is connected with a rear wheel 6.

The first sliding seat 10 is disposed at one end of the handlebar lower rod 12 close to the front foot rod 9, and the first sliding seat 10 includes a first sleeve portion through which the front foot rod 9 movably passes. The first connecting member 41 includes a second sleeve portion in which the handle lower lever 12 is movably inserted. The third link 8' is rotatably connected to the first sliding seat 10 and the middle upper portion of the rear foot bar 5.

The seat frame 11 is rotatably connected to the second link 42, and the back lever 17 is rotatably connected to an end of the seat frame 11 near the first link joint 4. The grab bar 15' is rotatably connected to the seat frame 11 at an end thereof remote from the first joint 4 by a third joint 20. The ceiling bar 16 is rotatably connected to the second connecting joint 2. The second unlocking member 19 is used to release the rotational relationship between the back lever 17 and the seat frame 11.

FIGS. 17-22 show a folding process of the embodiment of FIGS. 15 and 16.

When the frame needs to be folded, as shown in fig. 17, the ceiling rod 16 is firstly folded towards the handle upper rod 1 until the ceiling rod 16 is basically parallel to or in contact with the handle upper rod 1, and the grab bar 15 'is simultaneously folded towards the seat frame 11 until the grab bar 15' is basically parallel to or in contact with the seat frame 11;

next, as shown in fig. 18, the second unlocking member 19 is operated to unlock the rotational relationship between the back lever 17 and the seat frame 11, press the back lever 17 downward, and fold the back lever 17 toward the seat frame 11 until the back lever 17 is substantially parallel to or in contact with the seat frame 11;

then, as shown in fig. 19, when the back lever 17 is substantially parallel to or in contact with the seat frame 11, the locking relationship of the first locking component between the seat frame 11 and the first connecting joint 4 is released, and at this time, the back lever 17 and the seat frame 11 can be continuously pressed downward, so that the seat frame 11, the back lever 17 and the grab bar 15 'are close to the front foot bar 9 together until the seat frame 11 and the front foot bar 9 are substantially parallel to or fit with each other, and the folding of the seat frame 11, the back lever 17 and the grab bar 15' is completed;

as shown in fig. 20, when the third unlocking unit 18 is operated to unlock the second joint 2, the handle upper bar 1 is rotated to fold the handle upper bar 1 and the ceiling bar 16 together toward the handle lower bar 12, and the sliding relationship of the first sliding seat 10 with respect to the front leg bar 9 is unlocked when the handle upper bar 1 and the handle lower bar 12 are substantially parallel or in abutting contact;

as shown in fig. 21, under the action of gravity, the first sliding seat 10 slides downwards along the front foot rod 9, and drives the handle upper rod 1, the ceiling rod 16 and the handle lower rod 12 to slide downwards together, and simultaneously drives the rear foot rod 5 to approach the front foot rod 9 through the arc-shaped third connecting piece 8;

as shown in fig. 22, the overall size of the frame is small and convenient for storage and carrying, as shown in the state that the frame is completely folded.

Fig. 23 is a schematic structural view of the first unlocking assembly in the embodiment shown in fig. 1 to 14. The first unlocking assembly comprises a mounting seat 21, an unlocking block 22 and a sliding block 23, the unlocking block 22 is movably arranged on the mounting seat 21, the unlocking block 22 comprises a locking part which is inserted into a locking hole of the second sliding seat 3, the sliding block 23 is movably arranged relative to the back support rod 17, and when the sliding block 23 is driven, the unlocking block 22 can be pushed to move so that the locking part is separated from the locking hole, and unlocking of the second sliding seat 3 is achieved.

When the sliding relationship between the second sliding seat 3 and the back-rest rod 17 needs to be unlocked, the first driving slider 23 moves relative to the back-rest rod 17, the movement of the slider 23 pushes the unlocking block 22 to move relative to the mounting seat 21, the movement of the unlocking block 22 drives the locking part to be separated from the locking hole, so that the locking of the locking part on the second sliding seat 3 is released, the locking effect of the second sliding seat 3 is released, and the second sliding seat 3 can slide relative to the back-rest rod 17.

Based on foretell bassinet frame, the utility model discloses still provide a bassinet, this bassinet includes foretell bassinet frame.

The positive technical effects of the stroller frame in the above embodiments are also applicable to the stroller, and are not described in detail here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the utility model discloses a do not deviate from under the prerequisite of the principle, still can be right the utility model discloses a specific embodiment modifies or carries out the equivalent replacement to some technical features, and these are modified and should be covered with the equivalent replacement in the middle of the technical scheme scope of the utility model.

Claims (17)

1. A stroller frame, comprising:

a handle upper rod (1);

a handle lower rod (12) rotatably connected to the handle upper rod (1);

a first joint (4);

the front foot rod (9) and the rear foot rod (5) are rotatably connected, and the front foot rod (9) is connected with the rear foot rod (5) through the first connecting joint (4); and

first sliding seat (10), install keeping away from of hand (hold) lower beam (12) the one end and the slidable of hand (hold) upper beam (1) are connected on front foot pole (9), first sliding seat (10) with locking between front foot pole (9) is configured to hand (hold) upper beam (1) roll over to hand (hold) lower beam (12) and with unblock when hand (hold) lower beam (12) laminating, so that first sliding seat (10) can drive hand (hold) lower beam (12) are followed front foot pole (9) are to keeping away from the direction of first joint (4) slides.

2. Stroller frame according to claim 1, characterized in that the first connection joint (4) comprises a first connection member (41) and a second connection member (42) rotatably connected to the first connection member (41), the first connection member (41) being connected to the front foot bar (9) and the second connection member (42) being connected to the rear foot bar (5).

3. Stroller frame according to claim 1, characterized in that the first connection joint (4) comprises a sleeve part in which the handlebar lower bar (12) is slidably arranged.

4. Stroller frame according to claim 1, further comprising a third connecting member (8; 8'), wherein a first end of the third connecting member (8; 8') is rotatably connected to the first sliding seat (10) and a second end of the third connecting member (8; 8') is rotatably connected to the rear foot bar (5).

5. Stroller frame according to claim 1, further comprising a seat frame (11) and a back lever (17), the seat frame (11) being mounted on the first connection joint (4) and being rotatable relative to the first connection joint (4), the back lever (17) being rotatably connected to the seat frame (11).

6. Stroller frame according to claim 5, characterized in that the seat frame (11) is detachably mounted on the first connection joint (4) and can be mounted in a forward or reverse direction.

7. Stroller frame according to claim 5, further comprising a second sliding seat (3) and a fourth connecting member (13), the second sliding seat (3) being slidably mounted on the back lever (17), the fourth connecting member (13) being rotatably connected between the second sliding seat (3) and the seat frame (11).

8. Stroller frame according to claim 7, further comprising a grab bar (15; 15') and a fifth link (14), the grab bar (15; 15') being rotatably connected to the back rest bar (17), the fifth link (14) being rotatably connected between the second sliding seat (3) and the grab bar (15; 15 ').

9. Stroller frame according to claim 7, further comprising a first unlocking assembly for unlocking between the second sliding seat (3) and the backrest lever (17).

10. A stroller frame according to claim 9, wherein the first unlocking assembly comprises a mounting seat (21), an unlocking block (22) and a slider (23), the unlocking block (22) is movably arranged on the mounting seat (21), the unlocking block (22) comprises a locking part which is inserted into a locking hole of the second sliding seat (3), the slider (23) is movably arranged relative to the backrest rod (17), and the slider (23) can push the unlocking block (22) to move to disengage the locking part from the locking hole when being driven, so as to unlock the second sliding seat (3).

11. Stroller frame according to claim 5, characterized in that a first locking member is provided between the seat frame (11) and the first connection joint (4), which is configured to unlock when the back lever (17) is folded towards the seat frame (11) and engages with the seat frame (11).

12. Stroller frame according to claim 5, further comprising a roof bar (16), wherein the roof bar (16) is connected to the backrest bar (17).

13. Stroller frame according to claim 5, further comprising a grab bar (15; 15'), wherein the grab bar (15; 15') is rotatably mounted at an end of the seat frame (11) remote from the first connection joint (4).

14. Stroller frame according to claim 13, characterized in that the grab bar (15; 15') is T-shaped.

15. Stroller frame according to claim 5, further comprising a second unlocking assembly (19) mounted on top of the back lever (17), said second unlocking assembly (19) being adapted to unlock the back lever (17) from the seat frame (11).

16. Stroller frame according to claim 1, further comprising a ceiling bar (16), wherein the ceiling bar (16) is connected to the connection of the handlebar upper bar (1) and the handlebar lower bar (12).

17. A stroller comprising a stroller frame according to any of claims 1 to 16.

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