CN210122133U

CN210122133U - Baby carriage

Info

Publication number: CN210122133U
Application number: CN201920794348.0U
Authority: CN
Inventors: 刘建华; 金列
Original assignee: Hangzhou Wisdom Network Technology Co Ltd
Current assignee: Hangzhou Wisdom Network Technology Co Ltd
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-03
Anticipated expiration: 2029-05-29

Abstract

The utility model discloses a baby carriage, the baby carriage includes: the top end of the front foot rod is provided with a first rotating center, a second rotating center and a third rotating center; the front armrest is hinged with the front foot rod through the first rotation center; the push handle is hinged with the front foot rod through the first rotating center; the front end of the seat board is hinged with the front handrail, and the rear end of the seat board is in sliding fit with the push handle through a first sliding piece; the left rear foot rod is hinged with the front foot rod through the second rotation center; the right rear foot rod is hinged with the front foot rod through the third rotation center; in the folding process of the baby carrier, the left rear foot rod and the right rear foot rod are mutually drawn together while drawing together towards the front foot rod. The technical scheme that this application is disclosed makes left back foot bar and right back foot bar fold up the in-process at the bassinet and can fold towards the inward receipts of accomodating direction and left and right direction simultaneously, lets whole car form carefully and neatly after drawing in, and the size of length width height is little, easily accomodates and carries.

Description

Baby carriage

Technical Field

The utility model relates to a bassinet field especially relates to a bassinet.

Background

The frame of the existing baby carriage is mostly of a foldable structure, and structurally, the existing multi-joint complex connecting rod mechanism and the relatively simple connecting rod type are provided.

The related technical document discloses a quickly folded baby carriage frame, which comprises a front leg group, a rear leg group, a handle group and two folding structures, wherein each folding structure comprises a lower joint, an upper joint and a joint supporting seat: in each folded configuration, the lower joint is connected to the front leg set: the upper joint is connected with the sub-handle group: the joint supporting seat is connected with the rear foot assembly: lower joint and joint supporting seat rotatable coupling go up joint and joint supporting seat rotatable coupling: the lower joint and the upper joint can be mutually and oppositely connected to rotate, one end of the linkage connecting rod is rotatably connected with the upper joint, and the other end of the linkage connecting rod is rotatably connected with the lower joint: and the control mechanism can limit the rotation of the lower joint and the upper joint relative to the joint supporting seat.

The structure similar to the prior art is mainly characterized in that the frame comprises a front foot rod, a rear foot rod and a handle rod which are in relative rotation fit through a hinge mechanism, and the hinge mechanism can be a single-shaft structure or a multi-shaft structure with a plurality of rotation axes; the folding and unfolding of the frame can be realized by the relative rotation of the front foot rod, the rear foot rod and the handle rod; however, in such a structure, due to the connection of the rods, the variation range of the overall volume of the unfolded and folded frame and the flatness of the folded frame are limited.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a bassinet for overcome the whole volume's of frame range of variation that prior art expandes and fold up and the roughness after folding up all has the problem of certain limitation.

The utility model discloses technical scheme as follows:

a stroller, the stroller comprising:

the top end of the front foot rod is provided with a first rotating center, a second rotating center and a third rotating center;

the front armrest is hinged with the front foot rod through the first rotation center;

the push handle is hinged with the front foot rod through the first rotating center;

the front end of the seat board is hinged with the front handrail, and the rear end of the seat board is in sliding fit with the push handle through a first sliding piece;

the left rear foot rod is hinged with the front foot rod through the second rotation center;

the right rear foot rod is hinged with the front foot rod through the third rotation center;

in the folding process of the baby carrier, the left rear foot rod and the right rear foot rod are mutually drawn together while drawing together towards the front foot rod.

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.

Preferably, the rotation axes of the second rotation center and the third rotation center form an included angle.

Preferably, the rotation axes of the first rotation center, the second rotation center and the third rotation center are coplanar.

Preferably, the bottom of the front foot rod is provided with two front rollers side by side, and the bottoms of the left rear foot rod and the right rear foot rod are respectively provided with a left rear roller and a right rear roller; when the baby carrier is in an unfolded state, the distance between the left rear roller and the right rear roller is larger than the distance between the two front rollers; when the baby carriage is in a folded state, the left rear roller and the right rear roller are accommodated between the two front rollers.

Preferably, in the folding process of the baby carriage, the left rear foot rod and the right rear foot rod are mutually drawn together while being drawn together towards the front foot rod.

Preferably, the bottom of the push handle is provided with a positioning block, the top of the front foot rod is provided with a positioning groove matched with the positioning block, and the positioning block and the positioning groove are mutually meshed in the unfolding state of the baby carrier.

Preferably, the locating piece includes the polylith of arranging side by side, the constant head tank corresponds and is equipped with the multichannel.

Preferably, when the stroller is folded, the left rear foot bar and the right rear foot bar are attached to one side of the front foot bar, the front armrest and the push handle are attached to the other side of the front foot bar, the seat plate is located between the front armrest and the push handle, the top surface of the seat plate is attached to the front armrest, and the back surface of the seat plate is attached to the push handle.

Preferably, the push handle is further provided with an extension rod, and the extension rod is slidably mounted on the push handle.

Preferably, the stroller is further provided with a locking mechanism for maintaining the stroller in the unfolded state and a release control member linked with the locking mechanism, wherein the locking mechanism comprises at least one of the following:

a first locking mechanism acting between the push handle and the front foot bar;

a second locking mechanism acting inside the second rotation center;

a third lock mechanism acting on a third rotation center;

a fourth locking mechanism acting on the first slider and the push handle;

a fifth locking mechanism acting inside the first rotation center;

a sixth locking mechanism acting between the front armrest and the front foot bar.

The technical scheme that this application is disclosed makes left back foot bar and right back foot bar fold up the in-process at the bassinet and can fold towards the inward receipts of accomodating direction and left and right direction simultaneously, lets whole car form carefully and neatly after drawing in, and the size of length width height is little, easily accomodates and carries.

Other advantageous technical effects of the present application will be specifically explained in the detailed description.

Drawings

FIG. 1 is a schematic view of a stroller according to an embodiment of the present invention;

FIG. 2 is a schematic view of the stroller shown in FIG. 1 in a folded state;

FIG. 3 is a left side view of the stroller of FIG. 1 in a stage of folding;

FIG. 4 is a left side view of the stroller of FIG. 1 in a collapsed state;

FIG. 5 is a left side view of the stroller of FIG. 1 in three stages of a collapsed state;

FIG. 6 is a left side view of the stroller of FIG. 1 in a fourth stage of a collapsed state;

fig. 7 is a schematic view of the stroller of fig. 1 in a collapsed state.

The reference numerals in the figures are illustrated as follows:

1. a front foot bar; 11. a first center of rotation; 12. a second center of rotation; 13. a third center of rotation; 14. a front roller; 15. positioning a groove; 2. a front armrest; 3. a push handle; 31. positioning blocks; 32. an extension pole; 33. elastic buckle; 4. a seat plate; 5. a left rear foot bar; 51. a left rear roller; 6. a right rear foot bar; 61. a right rear roller; 7. a first slider; 10. the large joint.

Detailed Description

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

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

With reference to fig. 1-7, the present application discloses a stroller comprising:

the top end of the front foot rod 1 is provided with a first rotating center 11, a second rotating center 12 and a third rotating center 13;

the front handrail 2 is hinged with the front foot rod 1 through a first rotating center 11;

the push handle 3 is hinged with the front foot rod 1 through a first rotating center 11;

the front end of the seat board 4 is hinged with the front handrail 2, and the rear end is in sliding fit with the push handle 3 through a first sliding piece 7;

the left rear foot bar 5 is hinged with the front foot bar 1 through a second rotating center 12;

the right rear foot bar 6 is hinged with the front foot bar 1 through a third rotating center 13;

in the folding process of the baby carriage, the left rear foot rod 5 and the right rear foot rod 6 are drawn together when the front foot rod 1 is drawn together.

In this embodiment, the front armrest 2 and the push handle 3 are both hinged to the front foot bar 1 through the first rotation center 11, so that the front armrest 2 and the push handle 3 can approach or move away from the front foot bar 1; meanwhile, the second rotation center 12 and the third rotation center 13 are arranged at the top of the front foot bar 1, so that the process of unfolding and folding the baby carrier can be understood as the process of moving the front handrail 2, the push handle 3, the left rear foot bar 5 and the right rear foot bar 6 away from and close to the front foot bar 1; in the above process, the seat plate 4 is kept in linkage with the front handle 2 and the push handle 3 by the first slider 7. The specific shape of the seat board 4 is adjusted by the size of the included angle between the front handrail 2 and the push handle 3.

The front leg bar 1 and the rear leg bar described in this application refer to the front-rear relationship of the stroller when the stroller is pushed forward, and are not limited to the front-rear relationship in the absolute direction, for example, when a user stands behind the stroller and applies a pulling force to the push handle 3 to drive the stroller to move backward, the front leg bar 1 is located at the rear side in the traveling direction of the rear leg bar.

The distance, angle, length, proportion and the like expressed in the application are all based on a motion relation diagram, for example, when the front foot rod 1 is a bent special-shaped part, the length of the front foot rod 1 is the length of a straight line connected with two ends; for another example, in the description of the swing angle of the front foot rod 1, the swing angle refers to the angle of swing of a connecting line between action points of two ends of the front foot rod 1 which are actually hinged with other components, and the rest is the same.

In the field of baby carriages, a rod is made of a pipe for reducing weight or internally arranging a pipeline and the like, but the core purpose of the rod is to transmit torque and support the relationship of a frame, so that the rod can be in various implementation forms, and hollow pipes and other parts which can support multidirectional torque so as to resist tension, compression and bending are facilitated.

When the first rotation center 11 is installed, a pivot may be disposed, the front foot bar 1, the front armrest 2, and the pushing handle 3 are stacked in sequence along the axial direction at the position of the pivot and are rotationally matched with the pivot, the pivot may be an independent component, or may be an integrated structure with one of the three, and other rotation centers are the same in the following.

In an embodiment the axes of rotation of the second centre of rotation 12 and the third centre of rotation 13 are angled.

In order to realize the technical effect that foot bar 5 and right back foot bar 6 closed each other when closing forward foot bar 1, one of foot bar 5 and right back foot bar 6 needs to possess at least two fractional motions: firstly, the baby carriage moves close to or far away from the front foot rod 1 in the front-back direction; and secondly, moving away from or close to the other in the left-right direction of the baby carrier. In order to achieve these two partial movements by means of a centre of rotation of a single axis of rotation, at least one of the second centre of rotation 12 and the third centre of rotation 13 is able to perform a movement which is angled in relation to the front-rear direction of the buggy, so that the axes of rotation of the second centre of rotation 12 and the third centre of rotation 13 are angled.

In a specific embodiment, when a single rotation center generates movement with an included angle with the front and back directions of the baby carrier, the problem of asymmetric movement of the left rear foot rod 5 and the right rear foot rod 6 occurs, so that the product is not attractive; therefore, it is preferable that the rotation axes of the second rotation center 12 and the third rotation center 13 are arranged symmetrically with respect to the front-rear direction of the stroller. The advantage of this design is that a symmetrical movement of the left 5 and right 6 rear foot bars in the left-right direction of the buggy is achieved. In a further preferred design, the rotation of the second and third rotation centers 12, 13 can be synchronized by a synchronization mechanism (not shown), so that the movements of the left and right rear foot bars 5, 6 are synchronized.

In one embodiment, the axes of rotation of the first center of rotation 11, the second center of rotation 12 and the third center of rotation 13 are coplanar.

The first rotation center 11 is used for realizing the rotation of the front arm rest 2 and the push handle 3 relative to the front foot bar 1, in this embodiment, the rotation direction of the first rotation center 11 is parallel to the front-back direction of the baby carriage, i.e. the rotation axis of the first rotation center 11 is perpendicular to the front-back direction of the baby carriage, and the rotation axes of the first rotation center 11, the second rotation center 12 and the third rotation center 13 are coplanar, so that a more regular folding effect can be realized. In this embodiment, the planes of the rotation axes of the first rotation center 11, the second rotation center 12 and the third rotation center 13 are parallel to the supporting surface, so as to obtain a regular folding effect.

In a specific option, the top of the front foot bar 1 is provided with a large joint 10, a first rotation center 11, a second rotation center 12 and a third rotation center 13 are arranged in the large joint 10, the front and back directions of the baby carriage of the large joint 10 extend, the first rotation center 11 is arranged at the front part of the large joint 10, and the second rotation center 12 and the third rotation center 13 are arranged at the back part of the large joint 10 and are symmetrically arranged in the left and right directions of the baby carriage.

In one embodiment, the bottom of the front foot bar 1 is provided with two front rollers 14 side by side, and the bottom of the left rear foot bar 5 and the bottom of the right rear foot bar 6 are provided with a left rear roller 51 and a right rear roller 61 respectively; when the baby carrier is in the unfolding state, the distance between the left rear roller 51 and the right rear roller 61 is larger than the distance between the two front rollers 14; in the folded state of the stroller, the left rear roller 51 and the right rear roller 61 are accommodated between the two front rollers 14.

In this embodiment, the bassinet possesses four gyro wheels, can realize stabilizing the standing when nimble exhibition of rolling up, at the in-process of folding up, the interval change degree of left back foot bar 5 and right back foot bar 6 is from being greater than 14 intervals of preceding gyro wheel to being less than 14 intervals of preceding gyro wheel to the bassinet is stabilized the standing under the realization expansion state, and the bassinet reduces the volume under fold condition, is convenient for carry and deposits.

In one embodiment, the left rear leg 5 and the right rear leg 6 are moved toward each other while the front leg 1 is moved toward each other during folding of the stroller.

The left rear foot rod 5 and the right rear foot rod 6 are integrated through the second rotating center 12 and the third rotating center 13, operation of a user is facilitated, and user experience is improved. The user can realize the stable folding of the baby carriage only by pushing the rear foot rod.

In one embodiment, the bottom of the handle 3 is provided with a positioning block 31, the top of the front leg bar 1 is provided with a positioning groove 15 matching with the positioning block 31, and the positioning block 31 and the positioning groove 15 are engaged with each other in the unfolded state of the stroller.

The positioning block 31 is also provided with a groove-shaped structure in the embodiment, and the positioning groove 15 is also provided with a protruding tooth-shaped structure, so that the positioning block 31 and the positioning groove 15 are mutually meshed in the process of meshing, the stable connection between the bottom of the push handle 3 and the top of the front foot rod 1 is realized, and the bottom of the push handle 3 is understood to form a part of the large joint 10. The positioning block 31 and the positioning groove 15 function to improve the resistance of the macro joint 10 against impacts and loads other than in the direction of gravity. For example, when the user needs to push the stroller to turn, the pushing force applied to the push handle 3 is not perpendicular to the front, and the push handle 3 will generate a torsional component to the first rotary joint, which would require the first rotation center 11 to be transmitted to the large joint 10 if the positioning block 31 and the positioning slot 15 were not present. Over time, this causes increased wear on the first pivot 11, which can lead to spaciousness and affect the stability of the stroller in the extended position. After the design of the positioning block 31 and the positioning groove 15 is added, the torsional component can be applied to the whole large joint 10 through the positioning block 31 and the positioning groove 15, so that the whole service life of the large joint 10 is effectively prolonged. More importantly, the positioning block 31 and the positioning groove 15 can improve the positioning accuracy of the push handle 3 contacting with the large joint 10 when being unfolded in place, and reduce the possibility of dislocation of the large joint 10 or hand clamping gap.

In one embodiment, the positioning block 31 includes a plurality of positioning slots 15 arranged side by side.

The increase in the number of the positioning blocks 31 and the positioning grooves 15 can effectively improve the strength of the transmission torque and the effectiveness of engagement.

In one embodiment, in the folded state of the baby carriage, the left rear foot rod 5 and the right rear foot rod 6 are abutted against one side of the front foot rod 1, the front handrail 2 and the push handle 3 are abutted against the other side of the front foot rod 1, the seat board 4 is positioned between the front handrail 2 and the push handle 3, the top surface of the seat board 4 is abutted against the front handrail 2, and the back surface of the seat board 4 is abutted against the push handle 3.

The top surface of the seat plate 4 is used for seating of a child, and a cushioning material (not shown) may be provided to improve the comfort of the seating. Meanwhile, the seat board 4 is accommodated between the front handrail 2 and the push handle 3, so that the seat board 4 can be prevented from being damaged in the carrying or storing process, and the service life of the baby carriage is prolonged. In a specific implementation process, the push handle 3 is provided with a limit shoulder which abuts against the first sliding part 7 and is used for limiting the movement stroke of the first sliding part 7, and when a child sits on the seat plate 4, the limit shoulder abuts against the first sliding part 7 to provide a supporting force.

In one embodiment, the handle 3 is further provided with an extension rod 32, and the extension rod 32 is slidably mounted on the handle 3.

The extension rod 32 can provide comfortable pushing experience for users, and is convenient to be accommodated in the push handle 3 in the folding process, so that the volume of the baby carriage in the folding state is reduced, and a more regular appearance is provided. More importantly, the extension rod 32 can also be coupled to

In one embodiment, the stroller is further provided with a locking mechanism for maintaining the stroller in the deployed position, and a latch release control associated with the locking mechanism, the locking mechanism comprising at least one of:

a first locking mechanism acting between the push handle 3 and the front foot bar 1;

a second locking mechanism acting inside the second rotation center 12;

a third locking mechanism acting on the third rotation center 13;

a fourth locking mechanism acting on the first slider 7 and the push handle 3;

a fifth locking mechanism acting inside the first rotation center 11;

a sixth locking mechanism acting between the front armrest 2 and the front foot bar 1.

The locking mechanism is arranged to hold the stroller in its unfolded or folded state, wherein the basic principle is to prevent relative displacement between the bars, thereby holding the stroller in a certain state,

referring to fig. 3 to 7, the specific arrangement of the locking mechanism in this embodiment is explained in connection with the folding process.

When the baby carriage enters a folding state from the unfolding process:

the user unlocks the elastic buckle 33 capable of being reset, unlocks the extension rod 32 and the push handle 3, and realizes the relative sliding of the extension rod 32 and the push handle 3;

when the user pushes the extension rod 32 to slide along the lower left part of the push handle 3 in the figure, and the extension rod 32 slides to the bottom of the push handle 3, the direct locking mechanism of the big joint 10 of the push handle 3 can be unlocked, and at the moment, the front handrail 2, the push handle 3 and the front foot rod 1 are in a free state;

the user pushes the push handle 3 to the left in the figure, the push handle 3 rotates counterclockwise in the figure relative to the first rotation center 11, the front handrail 2 rotates counterclockwise in the figure along with the push handle 3 under the driving of the seat plate 4, when the front handrail 2 abuts against the front foot rod 1, the locking mechanism between the first sliding piece 7 and the push handle 3 is unlocked, and the first sliding piece 7 can slide relative to the push handle 3;

the user continues to press the push handle 3 downwards in the figure, the push handle 3 continues to rotate in the anticlockwise direction in the figure relative to the first rotation center 11, at the moment, one end of the seat board 4 rotates at the position hinged with the front handrail 2, the other end of the seat board slides relative to the push handle 3 through the first sliding piece 7, the integral seat board 4 rotates in the anticlockwise direction in the figure until the push handle 3 abuts against the front handrail 2, at the moment, the locking mechanisms of the second rotation center 12 and the third rotation center 13 are unlocked, and the seat board 4 is accommodated between the push handle 3 and the front handrail 2;

the user pushes the left rear foot rod 5 and the right rear foot rod 6 to the left side in the figure until the front foot rods 1 are completely attached, and at the moment, the baby carriage is completely folded. In the process, a user only needs to complete one-time unlocking, and pushes the push handle 3 to rotate anticlockwise in the drawing until the push handle 3 abuts against the front handrail 2, and then draws in the left rear foot rod 5 and the right rear foot rod 6, so that the whole folding process is simple and rapid.

The baby carriage is reversely operated from the folding process to the unfolding process, so that the repeated description is omitted, and the gravity direction of the child when the baby carriage is in the unfolding state is opposite to the movement trend of the rod piece when the baby carriage is in the folding state, so that the self-locking of the baby carriage can be realized, and the stable and safe riding experience is provided for the child.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within 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-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A stroller, comprising:

2. A stroller according to claim 1, wherein the axes of rotation of the second and third centers of rotation are angled.

3. A stroller according to claim 2, wherein the axes of rotation of the first, second and third centers of rotation are coplanar.

4. A stroller according to claim 1, wherein the bottom of the front leg is provided with two front rollers side by side, and the bottom of the left rear leg and the bottom of the right rear leg are provided with a left rear roller and a right rear roller, respectively; when the baby carrier is in an unfolded state, the distance between the left rear roller and the right rear roller is larger than the distance between the two front rollers; when the baby carriage is in a folded state, the left rear roller and the right rear roller are accommodated between the two front rollers.

5. A stroller according to claim 1, wherein the left and right rear legs are drawn toward each other while being drawn toward the front leg during folding of the stroller.

6. A stroller according to claim 1, wherein the bottom of the handle is provided with a positioning block, the top of the front leg is provided with a positioning groove for engaging with the positioning block, and the positioning block and the positioning groove are engaged with each other in the unfolded state of the stroller.

7. A stroller according to claim 6, wherein the positioning block comprises a plurality of positioning blocks arranged side by side, and the positioning grooves are correspondingly provided with a plurality of positioning channels.

8. A stroller as defined in claim 1, wherein in a collapsed state, the left and right rear legs abut one side of the front leg, the front handle and the handle abut the other side of the front leg, the seat panel is positioned between the front handle and the handle, a top surface of the seat panel abuts the front handle, and a back surface of the seat panel abuts the handle.

9. A stroller according to claim 1, wherein an extension bar is provided on the push handle, the extension bar being slidably mounted on the push handle.

10. A stroller according to claim 1, further comprising a latch mechanism for maintaining the stroller in the unfolded position and a latch release control associated with the latch mechanism, the latch mechanism comprising at least one of:

a second locking mechanism acting inside the second rotation center;

a third lock mechanism acting on a third rotation center;

a fourth locking mechanism acting on the first slider and the push handle;

a fifth locking mechanism acting inside the first rotation center;