CN215622214U - Children's barrow - Google Patents

Abstract

The application discloses children's shallow includes: the seat pocket comprises a backrest and a seat which are connected in a rotating mode, the backrest is provided with an unfolding position far away from the seat and a folding position close to the seat, and two sides of the seat pocket are respectively provided with an adapter. The frame comprises two side brackets and a cross rod for connecting the two side brackets, and each side bracket is provided with an adaptive seat matched with the adapter; the adaptive seat is rotatably connected with the side support, a first locking mechanism for limiting the relative rotation of the adaptive seat and the side support is arranged between the adaptive seat and the side support, and a release mechanism for driving the first locking mechanism to unlock is arranged on the frame. The seat pocket is folded and collected into the frame, the size of the folded whole vehicle is reduced, and the seat pocket is convenient to carry.

Description

Children's barrow

Technical Field

The application relates to the field of children's carts, in particular to a children's cart which is smaller in size, convenient to fold and carry.

Background

The stroller is a tool car designed to facilitate outdoor activities of babies, and is mostly provided with a seat pocket for seating the baby and a frame fixedly connected with the seat pocket. Wherein, the seat pocket generally includes the seat that keeps parallel with ground to and be used for supporting the back and constitute, and for conveniently accomodating, the back can generally be folded and be close to the seat. The frame is including preceding foot pole, back foot pole and handle pole at least, and in order to carry, the frame has folding function equally, and the seat is under the expansion state, is certain contained angle with preceding foot pole, and this contained angle will lead to the seat pocket part to stretch out outside the frame after whole car is folding, increases the volume after folding.

SUMMERY OF THE UTILITY MODEL

The application provides a children's shallow that the volume is littleer, convenient folding and carry.

A stroller, comprising:

the seat pocket comprises a backrest and a seat which are connected in a rotating mode, the backrest is provided with an unfolding position far away from the seat and a folding position close to the seat, and two sides of the seat pocket are respectively provided with an adapter;

the frame comprises two side brackets and a cross rod for connecting the two side brackets, and each side bracket is provided with an adaptive seat matched with the adapter; the adaptive seat is rotationally connected with the side bracket, and a first locking mechanism for limiting the relative rotation of the adaptive seat and the side bracket is arranged between the adaptive seat and the side bracket;

the unlocking mechanism is arranged on the frame and is configured to unlock the first locking mechanism so that the seat pocket can rotate towards the frame to be closed.

Several alternatives are provided below, but not as an additional limitation to the above general solution, but merely as a further addition or preference, each alternative being combinable individually for the above general solution or among several alternatives without technical or logical contradictions.

Optionally, the frame has an unfolded state and a folded state, and the frame triggers the release mechanism to unlock the first locking mechanism in the process of switching from the unfolded state to the folded state.

Optionally, the side support includes a handle bar, a front leg bar with a front wheel, and a rear leg bar with a rear wheel, wherein two of the handle bar, the front leg bar, and the rear leg bar are rotatably connected, a third one of the front leg bar and the rear leg bar is rotatably connected, and the handle bar and the front leg bar are rotatably closed to the rear leg bar when folded.

Optionally, the bottom of the handle rod is rotatably connected with the top of the front foot rod, and the top of the rear foot rod is rotatably connected with the middle of the front foot rod; when the frame is folded, the handle rod triggers the unlocking mechanism.

Optionally, a first rotary joint is arranged between the front foot rod and the handle rod, and the adapter is rotatably connected with the first rotary joint.

Optionally, the adapter and the side bracket are connected by a pivot, and the first locking mechanism includes:

the first locking groove is arranged on the adapter seat;

a second locking groove provided on the side bracket, provided opposite to the first locking groove;

the ratchet wheel is arranged between the first locking groove and the second locking groove, is sleeved on the pivot in a sliding mode, and is provided with a locking position combined with the two locking grooves and a releasing position combined with only one of the locking grooves;

an elastic member acting on the ratchet to keep it in a locked position.

Optionally, the release mechanism includes an unlocking member movable in an axial direction of the pivot against the ratchet to move from the locking position to the releasing position.

Optionally, the side bracket includes a handle bar, a front foot bar with a front wheel, and a rear foot bar with a rear wheel; the bottom of the handle rod is connected with the top of the front foot rod in a rotating mode through the pivot, the front foot rod is closer to the seat pocket relative to the handle rod, the second locking groove is formed in the front foot rod, the unlocking piece is provided with a convex column which penetrates through the front foot rod and is abutted to the handle rod, and an inclined plane which is matched with the convex column and used for abutting against and pushing the unlocking piece is formed in the handle rod.

Optionally, the frame has a second latch mechanism to hold the frame in the deployed state.

Optionally, the side bracket includes a handle bar, a front foot bar with a front wheel, and a rear foot bar with a rear wheel, wherein two of the handle bar, the front foot bar, and the rear foot bar are rotatably connected, and a third one of the handle bar, the front foot bar, and the rear foot bar is rotatably connected with one of the two;

the handle rod is of a two-section structure, a second rotating joint with a built-in third locking mechanism is arranged between the upper section and the lower section, and the second locking mechanism is unlocked after the handle rod is folded in half.

The utility model provides a children's shallow is provided with and is used for ordering about the folding first locking mechanism who draws close the frame of seat pocket for volume after folding is littleer.

Drawings

FIG. 1 is a front view of a seat pocket of a stroller according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a stroller according to an embodiment of the present application;

FIG. 3 is a schematic view of the seat pocket of FIG. 2 after being folded;

FIG. 4 is a schematic view of the stroller of FIG. 3 in a folded state;

FIG. 5 is a perspective view of the stroller in an embodiment of the present application;

FIG. 6 is a state diagram of the variation of FIG. 5;

FIG. 7 is the marginalized state diagram of FIG. 6;

FIG. 8 is a front view of FIG. 5;

FIG. 9 is a schematic view of the seat pocket of FIG. 8 after being folded;

FIG. 10 is a state change diagram of FIG. 9;

FIG. 11 is a cross-sectional view taken along line A-A of FIG. 8;

FIG. 12 is a cross-sectional view taken along line B-B of FIG. 10;

FIG. 13 is an enlarged view of portion C of FIG. 11;

FIG. 14 is an enlarged view of portion D of FIG. 12;

FIG. 15 is an exploded perspective view of the first rotary joint and seat pocket assembly of FIG. 5;

FIG. 16 is an exploded view of a portion of the first revolute joint of FIG. 5;

FIG. 17 is an exploded view from another perspective of FIG. 16;

FIG. 18 is a schematic view of an adapter in the stroller of the present application;

FIG. 19 is a partial schematic structural view of a front foot bar of the stroller of the present application;

FIG. 20 is a schematic view of the release member of the stroller of the present application;

fig. 21 is a partial structural view of a handle bar in the stroller of the present application.

The reference numerals in the figures are illustrated as follows:

1. a side bracket; 11. a front foot bar; 12. a rear foot bar;

13. a handle bar; 131. a lower section; 132. an upper section; 133. a bevel; 134. a limiting block; 135. a limiting groove;

136. a spring;

14. a connecting rod; 15. an adapter base; 16. a splint; 17. a cross bar;

2. a seat pocket; 20. a seat; 21. a backrest; 22. an adapter;

3. a first revolute joint; 31. a first locking groove; 32. a second locking groove; 33. a pivot; 34. an elastic member;

35. a ratchet wheel; 36. unlocking the lock; 361. a convex column;

4. a second revolute joint;

51. a front wheel; 52. a rear wheel.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In this application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any particular order or number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

As shown in fig. 1 to 10 and fig. 15, the present application provides a stroller including a seat pocket 2 and a frame, the seat pocket 2 includes a backrest 21 and a seat 20 rotatably connected, the backrest 21 has an unfolded position away from the seat 20 and a folded position close to the seat 20, and an adapter 22 is provided at both sides of the seat pocket 2. The frame comprises two side brackets 1 and a cross rod 17 for connecting the two side brackets 1, and each side bracket 1 is provided with an adaptive seat 15 matched with an adapter 22; the adaptive seat 15 is rotatably connected with the side bracket 1, a first locking mechanism for limiting the relative rotation of the adaptive seat and the side bracket is arranged between the adaptive seat and the side bracket, and a release mechanism for unlocking the first locking mechanism is arranged on the frame. The first lock mechanism has the following states:

in a locking state, the adaptive seat 15 and the side bracket 1 are relatively fixed, so that the seat pocket 2 and the frame are relatively fixed and cannot rotate;

when the seat pocket 2 is unlocked, the adaptive seat 15 and the side bracket 1 can rotate relatively, so that the seat pocket 2 rotates relative to the frame by means of gravity and is continuously close to the frame.

The seat pocket 2 is used for bearing children, is connected and fixed with the frame through the mutual cooperation between the adapter 22 and the adaptation seat 15, and the orientation after the seat pocket 2 is installed can be the advancing direction or the retreating direction of the baby stroller, and the installation is flexible. The backrest 21 is used for supporting the back of a child, and the seat 20 is used for seating the child. The backrest 21 is hinged with the seat 20, an included angle alpha exists at the hinged point, the seat pocket 2 is unfolded to enable the included angle alpha to meet 90 degrees and < the included angle alpha < 130 degrees, and the seat pocket 2 is folded to enable the included angle alpha to meet 0 degrees and < the included angle alpha < 15 degrees.

The frame is the frame of children's shallow, and the bottom is provided with the wheel that is used for moving. The cross bar 17 is used for connecting the two side brackets 1 into a whole, so that the structural stability of the frame is improved, and the cross bar can also be used for bearing partial acting force from the seat 20, so that the child can sit more comfortably and safely.

The adaptation seat 15 in the children's shallow of this application rotates the relative inboard of connecting at collateral branch frame 1, has realized that after seat pocket 2 self is folding, and the first locking mechanism of cooperation makes seat pocket 2 continue the rotation that can frame relatively and draws close for the volume of children's shallow after folding is littleer, conveniently carries. The unlocking mechanism is configured to unlock the first locking mechanism, so that the seat pocket in the folded state can rotate to be close to the frame under the action of self gravity, and the seat pocket is convenient to fold.

In one embodiment, the frame has an unfolding state and a folding state, and the unlocking mechanism is triggered when the frame is switched from the unfolding state to the folding state, so that an operator can unlock the first locking mechanism in the process of folding the frame, the seat pocket 2 can be folded to approach the frame, the seat pocket 2 does not need to be independently operated to be folded, and the folding operation is convenient.

As shown in the figures, in one embodiment, the side stand 1 includes a handle bar 13, a front foot bar 11 with a front wheel 51 and a rear foot bar 12 with a rear wheel 52, two of the handle bar 13, the front foot bar 11 and the rear foot bar 12 are rotatably connected, a third one is rotatably connected with one of the two, the handle bar 13 and the front foot bar 11 are rotatably closed towards the rear foot bar 12 during folding, and during the rotating closing, a release lock mechanism is triggered at the pin joint between one of the bar members or the bar members, so as to fold the seat pocket 2. In this embodiment, a connecting rod 14 is pivotally connected between the rear foot rod 12 and the handle rod 13, and the connecting rod 14, the front foot rod 11, the rear foot rod 12 and the handle rod 13 form a four-bar linkage mechanism, so as to improve the structural stability of the frame in the unfolded state and facilitate rapid folding by pulling each other in the folding process.

In one embodiment, the bottom of the handle bar 13 is pivotally connected to the top of the front leg 11, the top of the rear leg 12 is pivotally connected to the middle of the front leg 11, and the frame is folded such that the front wheel 51 does not extend beyond the rear wheel 52, resulting in a smaller volume.

In one embodiment, a first rotary joint 3 is arranged between the front foot rod 11 and the handle rod 13, and the adapter 15 is rotatably connected with the first rotary joint 3. Because adapter 22 and adaptation seat 15 interconnect are fixed, consequently when adaptation seat 15 rotates relative the frame, seat pocket 2 can rotate folding relative the frame, and adaptation seat 15 and the normal running fit setting of collateral branch frame 1 reduce the pin joint in first revolute joint 3 department, and the outward appearance is more succinct, and makes things convenient for handle bar 13 to control the rotation of adaptation seat 15.

As shown in fig. 11 to 19, in one embodiment, the adapter 15 and the side bracket 1 are rotatably connected by a pivot 33, the pivot 33 is integrally formed through the adapter 15, the first locking mechanism includes a first locking groove 31, a second locking groove 32, a ratchet 35 and an elastic member 34, the first locking groove 31 is opened on the adapter 15; the second locking groove 32 is arranged on the side bracket 1 and is arranged opposite to the first locking groove 31, the two locking grooves are arranged around the same pivot 33, and the appearance of the two locking grooves is matched with the ratchet wheel 35; the ratchet 35 is disposed between the first locking groove 31 and the second locking groove 32, slidably inserted on the pivot shaft 33, and has a locking position engaged with both locking grooves and a releasing position engaged with only one of the locking grooves, and the elastic member 34 is disposed in the first locking groove 31 and acts on the ratchet 35 to maintain it in the locking position, and the elastic member 34 is typically a spring. The method specifically comprises the following steps:

in the locking position, the two locking grooves are mutually matched, and the ratchet wheel 35 is positioned in the first locking groove 31 and the second locking groove 32 simultaneously by virtue of the elastic piece 34, so that the adapter 15 is relatively fixed relative to the side bracket 1;

in the unlocked position, the ratchet 35 is pivotally moved out of the second locking groove 32 to allow the adapter 15 to rotate relative to the side bracket 1. When the seat pocket 2 is at the unlocking position, the seat pocket is rotated and folded by gravity, and in the rotating process, the two locking grooves are staggered, so that the ratchet wheel 35 cannot extend into the second locking groove 32.

As shown in fig. 11 to 21, in one embodiment, the unlocking mechanism includes an unlocking member 36 that can move along the axial direction of the pivot 33 and presses the ratchet 35 to move from the locking position to the unlocking position, and in this embodiment, the unlocking member 36 is slidably disposed in the second locking groove 32. The unlocking member 36 may be an operation knob provided on the side bracket 1 or the first rotary joint 3, and may be configured to be slid and unlocked by being manually pressed, or may be configured to be interlocked with one of the handle bar 13, the front leg bar 11, the rear leg bar 12, or the link 14. Specifically, in one embodiment, the side stand 1 includes a handle bar 13, a front leg bar 11 with a front wheel 51, and a rear leg bar 12 with a rear wheel 52; the bottom of the handle rod 13 is rotatably connected with the top of the front foot rod 11 through a pivot 33, the front foot rod 11 is closer to the seat pocket 2 relative to the handle rod 13, the second locking groove 32 is arranged on the front foot rod 11 and is provided with a convex column 361 which passes through the front foot rod 11 and abuts against the handle rod 13, the handle rod 13 is provided with an inclined plane 133 which is matched with the convex column 361 and used for abutting against the unlocking piece 36, and the inclined plane 133 is partially arranged on the handle rod 13 and gradually bulges to promote the handle rod 13 to smoothly rotate and abut against the unlocking piece 36.

The working process of unlocking and folding comprises the following steps: as shown in fig. 11 to 14, at this time, the frame is in the unfolded state, and the ratchet 35 is always engaged with both the lock grooves. When the handle bar 13 starts to rotate and fold, and after the handle bar rotates to a certain angle, the inclined surface starts to contact the unlocking piece 36, and pushes the unlocking piece 36 to start sliding along the pivot 33, the ratchet wheel 35 is indirectly pushed to gradually exit from the second locking groove 32, the unlocking piece 36 continuously slides along the same direction due to the gradual uplifting of the inclined surface 133 until the ratchet wheel completely exits from the second locking groove 32, meanwhile, the adaptive seat 15 and the side bracket 1 are in the unlocking position, the seat pocket 2 rotates and folds by means of gravity, and in the subsequent frame folding process, the ratchet wheel 35 cannot extend into the second locking groove 32 due to the dislocation of the first locking groove 31 and the second locking groove 32 or the abutting pressure of the unlocking piece 36.

The working process of unfolding and locking is as follows: the handle rod 13 is rotated and unfolded until the frame is completely unfolded, the unlocking piece 36 slides and is in a non-contact state with the ratchet wheel 35, the seat pocket 2 is manually rotated, the adaptive seat 15 is driven to rotate until the first locking groove 31 and the second locking groove 32 are mutually matched, the ratchet wheel 35 extends into the second locking groove 32 under the driving of the elastic piece 34, the locking state is contracted, and the relative fixing of the seat pocket 2 and the frame is completed. In this embodiment, a clamping plate 16 is disposed between the front foot rod 11 and the handle rod 13, the clamping plate 16 is fixedly connected to the front foot rod 11, and a guiding hole for guiding the unlocking element 36 to slide is formed in the clamping plate 16, so as to ensure the smoothness of the sliding of the unlocking element 36 and improve the operation stability of the unlocking, folding and unfolding.

In one embodiment, the frame has a second locking mechanism for keeping the frame in the unfolding state, so that the stability of the frame in the unfolding state is ensured. The second locking mechanism may be provided at the first rotary joint 3, so that the appearance is more concise. The second locking mechanism comprises a limiting block 134 which is slidably mounted in the handle rod 13, a limiting groove 135 which is matched with the limiting block 134, and a spring 136 which drives the limiting block 134 to stretch into the limiting groove 135, the limiting groove 135 is formed in the handle rod 13 and the front foot rod 11, the limiting block 134 stretches into the limiting groove 135, the front foot rod 11 and the handle rod 13 are enabled to be relatively fixed, and the frame is kept unfolded. After the limiting block 134 slides out of the limiting groove 135, the front foot lever 11 and the handle lever 13 can rotate relatively to perform the subsequent folding operation. The limiting block 134 is connected to a release member (not shown) on the handle bar 13 through a pull wire (not shown) penetrating the handle bar 13, or is linked with other elements or structures on the handle bar 13.

In one embodiment, the handle bar 13 has a two-stage structure, wherein a second rotating joint 4 with a built-in third locking mechanism is disposed between the upper stage 132 and the lower stage 131, so as to reduce the volume after folding, and prevent the handle bar 13 from exceeding the rear foot bar 12 after folding. After the handle rod 13 is folded in half, the second locking mechanism is unlocked, that is, after the third locking mechanism is unlocked, and during the process of rotating and folding the upper section 132 relative to the lower section 131 or after the folding is completed, the limiting block 134 is driven by the pull wire to exit from the limiting groove 135, so that the linkage unlocking is completed.

The utility model provides a children's shallow is provided with the first locking mechanism that is used for keeping seat pocket level to expand, and has configured the release mechanism of unblock first locking mechanism, folds the seat pocket and draws in to the frame in, reduces the volume after whole car is folding, conveniently carries. And the lock release mechanism is triggered when the side bracket is folded, so that independent operation is not needed, and the folding is convenient.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features. When technical features in different embodiments are represented in the same drawing, it can be seen that the drawing also discloses a combination of the embodiments concerned.

The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application.

Claims (10)

1. Children's shallow, its characterized in that includes:

the seat pocket comprises a backrest and a seat which are connected in a rotating mode, the backrest is provided with an unfolding position far away from the seat and a folding position close to the seat, and two sides of the seat pocket are respectively provided with an adapter;

the frame comprises two side brackets and a cross rod for connecting the two side brackets, and each side bracket is provided with an adaptive seat matched with the adapter; the adaptive seat is rotationally connected with the side bracket, and a first locking mechanism for limiting the relative rotation of the adaptive seat and the side bracket is arranged between the adaptive seat and the side bracket;

the unlocking mechanism is arranged on the frame and is configured to unlock the first locking mechanism so that the seat pocket can rotate towards the frame to be closed.

2. The stroller of claim 1, wherein the frame has an extended position and a collapsed position, and wherein the release mechanism is activated to unlock the first locking mechanism during the transition of the frame from the extended position to the collapsed position.

3. The stroller of claim 2, wherein the side frame comprises a handle bar, a front leg bar with a front wheel, and a rear leg bar with a rear wheel, wherein two of the handle bar, the front leg bar, and the rear leg bar are rotatably coupled, and a third one of the handle bar, the front leg bar, and the rear leg bar is rotatably coupled to one of the handle bar, the front leg bar, and the rear leg bar, wherein the handle bar and the front leg bar are rotatably drawn toward the rear leg bar when folded.

4. The stroller of claim 3, wherein the bottom of the handle bar is pivotally connected to the top of the front leg bar and the top of the rear leg bar is pivotally connected to the middle of the front leg bar; when the frame is folded, the handle rod triggers the unlocking mechanism.

5. The stroller of claim 4, wherein a first pivot joint is disposed between the front leg bar and the handle bar, and the adapter is pivotally connected to the first pivot joint.

6. The stroller as recited in any one of claims 1-5, wherein said adapter and said side bracket are pivotally connected by a pivot, said first latch mechanism comprising:

the first locking groove is arranged on the adapter seat;

a second locking groove provided on the side bracket, provided opposite to the first locking groove;

the ratchet wheel is arranged between the first locking groove and the second locking groove, is sleeved on the pivot in a sliding mode, and is provided with a locking position combined with the two locking grooves and a releasing position combined with only one of the locking grooves;

an elastic member acting on the ratchet to keep it in a locked position.

7. The stroller of claim 6, wherein the release mechanism comprises an unlocking member movable in an axial direction of the pivot against which the ratchet moves from the locked position to the released position.

8. The stroller of claim 7, wherein the side brackets include a handlebar, a front foot bar with front wheels, and a rear foot bar with rear wheels; the bottom of the handle rod is connected with the top of the front foot rod in a rotating mode through the pivot, the front foot rod is closer to the seat pocket relative to the handle rod, the second locking groove is formed in the front foot rod, the unlocking piece is provided with a convex column which penetrates through the front foot rod and is abutted to the handle rod, and an inclined plane which is matched with the convex column and used for abutting against and pushing the unlocking piece is formed in the handle rod.

9. The stroller of claim 2, wherein the frame has a second latch mechanism to maintain the frame in the deployed position.

10. The stroller of claim 9, wherein the side brackets include a handle bar, a front leg bar with front wheels, and a rear leg bar with rear wheels, wherein two of the handle bar, the front leg bar, and the rear leg bar are pivotally connected, and a third one of the handle bar, the front leg bar, and the rear leg bar is pivotally connected to one of the two;

the handle rod is of a two-section structure, a second rotating joint with a built-in third locking mechanism is arranged between the upper section and the lower section, and the second locking mechanism is unlocked after the handle rod is folded in half.

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