CN210680887U

CN210680887U - Folding mechanism and child stroller with same

Info

Publication number: CN210680887U
Application number: CN201921339872.5U
Authority: CN
Inventors: 高翔; 钱伟桉
Original assignee: Goodbaby Child Products Co Ltd
Current assignee: Goodbaby Child Products Co Ltd
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-06-05
Anticipated expiration: 2029-08-19

Abstract

The utility model relates to a folding mechanism, including first pole, edge the length direction slip of first pole sets up slider and second pole on the first pole, folding mechanism is still including setting up one of second pole is served first bulb and is set up and be in on the slider and be used for acceping the first ball socket of first bulb, first bulb is located in the first ball socket internal rotation ground sets up, the slider is in slip on the first pole can be realized folding between first pole and the second pole. The sliding part of the folding mechanism is connected with the second rod through the matching of the ball head and the ball socket, the ball head rotates in the ball socket to enable the second rod and the sliding part to rotate at least in two different degrees of freedom, and then the folding mechanism can be used in a folding product with two rods which are arranged in a non-parallel and symmetrical mode and used for children products, so that the folding mechanism is more compact in structure, small in size, convenient to carry and store after the children products are folded.

Description

Folding mechanism and child stroller with same

Technical Field

The utility model relates to a children's articles for use field, concretely relates to folding mechanism and have this folding mechanism's children's shallow.

Background

In the prior art, products that can be folded and unfolded, such as baby strollers, child dining chairs, baby cribs and the like, involve folding mechanisms. The folding mechanism generally includes a first rod, a sliding member slidably disposed on the first rod, and a second rod rotatably connected to the sliding member, and is applied to a stroller, such as the stroller disclosed in chinese patent CN206317874U, in which the first rod forms a rear bracket of the stroller, and the second rod forms a first link of the stroller. But this folding mechanism only is applicable to the form that the rear bracket of children's shallow parallels and symmetry set up, and application form is more single, and application scope is little.

Disclosure of Invention

The utility model aims to solve the technical problem that it provides a modified folding mechanism to overcome the not enough of prior art.

The utility model also provides a children's shallow with this folding mechanism

For solving the technical problem, the utility model discloses a following technical scheme:

a folding mechanism comprises a first rod, a sliding piece and a second rod, wherein the sliding piece and the second rod are arranged on the first rod in a sliding mode along the length direction of the first rod, the folding mechanism further comprises a first ball head arranged at one end of the second rod, and a first ball socket arranged on the sliding piece and used for containing the first ball head, the first ball head is located in the first ball socket and is arranged in the first ball socket in a rotating mode, and the sliding of the sliding piece on the first rod can achieve folding between the first rod and the second rod. .

According to some aspects of the present disclosure, the folding mechanism further includes a blocking cover connected to the sliding member and configured to prevent the first ball from being separated from the first ball socket.

According to the utility model discloses an embodiment, keep off the lid with slider threaded connection.

According to some aspects of the present disclosure, the folding mechanism further includes a fixing member rotatably disposed relative to the other end of the second rod.

According to the utility model discloses an embodiment, be provided with the second bulb on the other end of second pole, be provided with on the mounting and be used for accomodating the second ball socket of second bulb, the second bulb is located in the second ball socket and be in the second ball is internal to be set up with rotating ground.

According to some embodiments of the invention, the folding mechanism further comprises a locking unit for locking the slider and the first lever relatively.

According to the embodiment of the present invention, the locking unit includes a lock pin movably disposed on the first rod and a lock hole disposed on the sliding member and capable of locking with the lock pin, when the locking unit is in a locked state, the lock pin is inserted into the lock hole, and the sliding member and the first rod are relatively fixed; when the locking unit is in an unlocked state, the lock pin is disengaged from the lock hole, and the slider can slide on the first rod.

According to some aspects of the present disclosure, the folding mechanism includes side frames symmetrically disposed about a central plane, each of the side frames includes the first rod, the slider, the second rod, the first ball head, and the first ball socket, and the first rods on both sides are disposed non-parallel and symmetrically about the central plane.

According to the utility model discloses an embodiment, both sides the distance between one end of first pole is less than two sides distance between another end of first pole. For example, the first rods on the two sides are arranged in a splayed shape or an inverted splayed shape.

The utility model discloses another technical scheme: the utility model provides a children's shallow with folding mechanism, children's shallow is including the shallow frame, front wheel subassembly and the rear wheel subassembly that have folding and expansion state, shallow frame includes that the lower part is equipped with the front wheel support of front wheel subassembly, the lower part is equipped with rear wheel support and the push rod of rear wheel subassembly, the one end of arbitrary two parts in front wheel support, rear wheel support, the push rod is rotated and is connected, and the one end of third part rotates with the one end of at least one in two parts and is connected, perhaps the one end of three part is rotated through same pivot and is connected, first pole constitutes the rear wheel support, the other end of second pole with the push rod sets up with rotating relatively.

The utility model discloses a but another technical scheme: the utility model provides a children's shallow, includes a pair of first pole, the slip setting is in slider on the first pole and rotate the connection and be in second pole on the slider, first pole with the second pole is children's shallow frame pole, a pair of first pole is about a central plane non-parallel and symmetry setting, works as children's shallow is from expanding to folding in-process, the slider slides on first pole, drives first pole with the angle changes in two at least different planes of second pole.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a be connected through the cooperation of bulb and ball socket between folding mechanism's slider and the second pole, and the bulb makes second pole and slider rotate on two different degrees of freedom at least in the ball socket internal rotation, and then makes this folding mechanism can be used to the folding product that has two members that the non-parallel just symmetry set up in the children's articles for use for the folding back structure of children's articles for use is compacter, and is small, portable and deposit. And will the utility model discloses a when folding mechanism is used for children's shallow, first pole constitutes the after-poppet of shallow, and the other end of second pole sets up with the push rod rotation relatively, can set up the after-poppet of this children's shallow into the splayed molding, and the after-poppet that not only can make children's shallow is folding compact structure more, and the molding of shallow is more diversified, pleasing to the eye.

The utility model discloses a folding mechanism not only can be used for children's shallow, can also be used to children's articles for use such as dining chair, crib, and the range of application is wide.

Drawings

Fig. 1 is a schematic side view of a stroller in a deployed state according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a stroller according to an embodiment of the present invention in a deployed state;

fig. 3 is a rear view schematically illustrating a stroller according to an embodiment of the present invention in a deployed state;

FIG. 4 is an enlarged view taken at A in FIG. 3;

fig. 5 is a schematic side view of a stroller according to an embodiment of the present invention in a folded state;

fig. 6 is a perspective view of the stroller in a folded state according to an embodiment of the present invention;

fig. 7 is a rear view of the stroller in a folded state according to an embodiment of the present invention;

FIG. 8 is a schematic view of the folding mechanism (first lever not shown);

in the figure: 1. a first lever; 2. a slider; 3. a second lever; 4. a first ball head; 5. a blocking cover; 6. a fixing member; 7. a second ball head; 8. a lock pin; 9. a front wheel assembly; 10. a rear wheel assembly; 11. a front wheel bracket; 12. a push rod; 121. a lower push rod; 122. a push rod is arranged; 13. a seat post.

Detailed Description

The invention is further described with reference to the accompanying drawings and specific embodiments:

as shown in fig. 8, the folding mechanism according to an embodiment of the present invention includes side frames symmetrically disposed about a center plane.

Each side frame comprises a first rod 1, a sliding part 2, a second rod 3, a fixing part 6, a first ball head 4 and a second ball head 7, wherein the sliding part 2, the second rod 3 and the fixing part 6 are arranged on the first rod 1 in a sliding mode along the length direction of the first rod 1, the first ball head 4 and the second ball head 7 are respectively arranged at two ends of the second rod 3, a first ball socket and a second ball socket are arranged on the sliding part 2 and are used for accommodating the first ball head 4, the second ball socket is arranged on the fixing part 6 and are used for accommodating the second ball head 7, the first ball head 4 and the second ball head 7 are respectively positioned in the first ball socket and the second ball socket and rotate in the first ball socket and the second ball socket, the fixing part 6 is arranged on the third rod, and the first rod 1, the second rod 3 and the third rod can be folded through.

The two first bars 1 are disposed non-parallel and symmetrically with respect to the central plane, and a distance between one end portions of the two first bars 1 is smaller than a distance between the other end portions of the two first bars 1. For example, the first rods 1 at the two sides can be arranged in a splayed shape or an inverted splayed shape.

The folding mechanism further comprises a cover stop 5 associated with the slider 2 and intended to prevent the first ball 4 from coming out of the first socket, in this case the cover stop 5 being screwed onto the slider 2 and housing the first ball 4 in the first socket, the cover stop 5 having a through hole allowing the second rod 3 to pass through.

In the folding mechanism, the second ball head 7 is directly fixed in the second ball socket through the surrounding structure of the second ball socket without a separate fixing structure.

The folding mechanism further comprises a locking unit used for locking the sliding part 2 and the first rod 1 relatively, the locking unit comprises a lock pin 8 movably arranged on the first rod 1 and a lock hole which is arranged on the sliding part 2 and can be matched with the lock pin 8 for locking, when the lock pin 8 is inserted into the lock hole, the locking unit is locked, and the sliding part 2 and the first rod 1 are relatively fixed; when the locking pin 8 is disengaged from the locking hole, the locking unit is unlocked and the slider 2 can slide on the first lever 1.

The folding mechanism of the utility model can be applied to children products such as children's carts, children's dining chairs, baby beds and the like.

If will the utility model discloses a folding mechanism is applied to children's shallow on, as shown in fig. 1~ 7.

The children's cart comprises a cart frame in a folding and unfolding state, a front wheel assembly 9 and a rear wheel assembly 10, wherein the cart frame comprises side brackets which are positioned at two sides of the cart and are symmetrically arranged, each side bracket comprises a front wheel bracket 11, the lower part of which is provided with the front wheel assembly 9, a rear wheel bracket, the lower part of which is provided with the rear wheel assembly 10, a push rod 12 and a seat rod 13, the front part of which is rotationally connected with the front wheel bracket 11, the upper end part of the rear wheel bracket and the lower end part of the push rod 12 are rotationally connected through the same pivot, first rods 1 at two sides of the folding mechanism respectively form the rear wheel brackets at two sides of the cart, fixing parts 6 at two sides of the folding mechanism are respectively and fixedly connected with the push rods 12 at two sides so that the second rods 3 and the push rods. In this example, the push rod 12 is the third rod.

The sliding member 2 slides on the first rod 1 to bring the first rod 1 and the second rod 3 into angular change in at least two different planes when the stroller is unfolded to folded, in this example, the two planes are the side plane shown in fig. 1 and the plane parallel to the plane of the paper shown in fig. 7, wherein the angle between the first rod 1 and the second rod 3 in the side plane shown in fig. 1 is α, the size of the α angle changes when the stroller is unfolded to folded as shown in fig. 1 and 5, the angle between the first rod 1 and the second rod 3 in the plane parallel to the plane of the paper shown in fig. 7 is β, and the size of the β angle changes when the stroller is unfolded to folded as shown in fig. 3 and 7.

In this example, the distance between the lower end portions of the first rods 1 on both sides is smaller than the distance between the upper end portions of the first rods 1 on both sides.

In this example, the push rod 12 includes a lower push rod 121 having a lower end portion pivotally connected to the front wheel frame 11 and the rear wheel frame via the same pivot shaft, and an upper push rod 122 having a lower end portion pivotally connected to an upper end portion of the upper push rod 121, and the fixing member 6 is fixedly connected to the lower push rod 121.

The folding principle of the baby stroller is as follows:

as shown in fig. 1 to 3, when the stroller is in an unfolded state, the lock pin 8 is located in the lock hole, the locking unit is locked, the first rod 1 and the sliding member 2 are fixed relatively, when the stroller needs to be folded, the locking unit is unlocked, the lock pin 8 is separated from the lock hole, the push rod 12 is pressed downward to drive the second rod 3 to move downward, the second rod 3 drives the sliding member 2 to slide downward on the first rod 1, the sliding member 2 slides downward, the first ball head 4 and the second ball head 7 respectively rotate freely in the first ball socket and the second ball socket so as to adapt to the situation that the distance between the upper end and the lower end of the first rod 1 on both sides is large, the distance between the push rod 12, the second rod 3 and the first rod 1 are small, and the downward sliding of the sliding member 2 drives the rear portion of the seat rod 13 to move downward, so as to drive the front wheel bracket 11 to approach the first rod 1, and then the upper push rod 122 and the lower push rod 121 are folded, thereby completing the folding of the stroller as shown in fig. 5-7. The folded cart has more compact structure and simple and convenient operation.

When the cart is folded, the upper push rod 122 and the lower push rod 121 can be folded first, and then the upper push rod 122 and the lower push rod 121 are pressed downwards together, and finally the folding of the whole cart is completed.

In other embodiments, the first rod 1 may also be another of the rods of the stroller frame, such as a push rod, a front wheel bracket.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a folding mechanism, includes first pole, along the length direction slip setting of first pole is in slider and second pole on the first pole, its characterized in that: the folding mechanism further comprises a first ball head arranged at one end of the second rod and a first ball socket arranged on the sliding piece and used for accommodating the first ball head, the first ball head is located in the first ball socket and is rotatably arranged in the first ball socket, and the sliding of the sliding piece on the first rod can realize the folding between the first rod and the second rod.

2. The folding mechanism of claim 1, wherein: the folding mechanism further comprises a blocking cover which is connected with the sliding piece and is used for preventing the first ball head from being separated from the first ball socket.

3. The folding mechanism of claim 2, wherein: the blocking cover is in threaded connection with the sliding piece.

4. The folding mechanism of claim 1, wherein: the folding mechanism further comprises a fixing piece which is rotatably arranged relative to the other end of the second rod.

5. The folding mechanism of claim 4, wherein: the other end of the second rod is provided with a second ball head, the fixing piece is provided with a second ball socket for accommodating the second ball head, and the second ball head is positioned in the second ball socket and is rotationally arranged in the second ball socket.

6. The folding mechanism of claim 1, wherein: the folding mechanism further comprises a locking unit for locking the slider and the first lever relative to each other.

7. The folding mechanism of claim 6, wherein: the locking unit comprises a lock pin movably arranged on the first rod and a lock hole arranged on the sliding piece and capable of being matched and locked with the lock pin, when the locking unit is in a locking state, the lock pin is inserted into the lock hole, and the sliding piece and the first rod are relatively fixed; when the locking unit is in an unlocked state, the lock pin is disengaged from the lock hole, and the slider can slide on the first rod.

8. A folding mechanism according to any one of claims 1 to 7, characterized in that: the folding mechanism comprises side frames which are symmetrically arranged about a central plane, each side frame comprises a first rod, a sliding piece, a second rod, a first ball head and a first ball socket, and the first rods on two sides are arranged in a non-parallel and symmetrical mode about the central plane.

9. A stroller having a folding mechanism according to any one of claims 1 to 8, the stroller comprising a stroller frame having a folded state and an unfolded state, a front wheel assembly and a rear wheel assembly, the stroller frame comprising a front wheel bracket having the front wheel assembly at a lower portion thereof, a rear wheel bracket having the rear wheel assembly at a lower portion thereof, and a push rod, wherein one end of any two of the front wheel bracket, the rear wheel bracket, and the push rod is pivotally connected, and one end of a third member is pivotally connected to one end of at least one of the two members, or one end of the three members is pivotally connected through a pivot, the stroller further comprising: the first rod forms the rear wheel bracket, and the other end of the second rod is arranged in a manner of relative rotation with the push rod.

10. The utility model provides a children's shallow, includes a pair of first pole, slides and sets up slider and rotation on the first pole are connected second pole on the slider, first pole with the second pole is children's shallow's frame pole, its characterized in that: the pair of first rods are arranged in a non-parallel and symmetrical mode relative to a central plane, and when the stroller is unfolded and folded, the sliding piece slides on the first rods to drive the first rods and the second rods to change angles in at least two different planes.