CN110588863B - A baby stroller - Google Patents

Abstract

The present invention relates to a baby stroller, the frame of the baby stroller comprises side brackets located on both sides, the side brackets comprise a first bracket on which a front wheel assembly is installed, a second bracket on which a rear wheel assembly is installed and which is rotatably arranged around the first bracket, the first bracket extends in an up-and-down direction, the second bracket extends in a front-and-rear direction of the frame, a rotation axis of the second bracket extends along an extension direction of the first bracket, the side bracket has a first use state and a second use state, when the side bracket is in the first use state or the second use state, the second bracket is respectively located on two opposite sides of the first bracket in the front-and-rear direction; the baby stroller of the present invention has few components and a simple and compact structure, has two use states, and can be switched according to needs, and the structural design with convertible use states makes the baby stroller more interesting and provides a better use experience, and after the baby gradually grows up, it can still be retained as a toy car, and its utilization value is greatly improved.

Description

A baby stroller

Technical Field

The invention relates to a toy car for infants, in particular to a toy car for infants.

Background Art

Most of the existing baby walkers are designed as fence-type structures, with a belt-shaped seat in the middle of the fence for the baby to sit on. The baby sits on the seat with his feet apart and stands up to practice walking after touching the ground with his feet. This kind of walker has major defects, such as the body movement is too flexible and difficult to control, and the weight of the baby's body is not fully added to the feet, which is very unfavorable for cultivating the baby's active awareness and habit of walking. The effect of learning to walk is not good, and the belt-shaped seat will affect the baby's walking posture. The bad walking posture is contrary to the parents' earnest expectations for the baby.

In view of this, there are currently walkers on the market that are used for infants to hold and push behind. This type of walker basically solves the defects of fence-type walkers, but this type of walker has relatively simple functions, poor playability, and a poor user experience. The original design of this type of walker was limited to infants learning to walk, and it loses its function as the infants grow up, and cannot have more functional extensions.

Summary of the invention

The technical problem to be solved by the present invention is to provide a baby stroller.

In order to solve the above technical problems, a technical solution adopted by the present invention is:

A baby stroller, the frame of the baby stroller includes side brackets located on both sides, the side brackets include a first bracket with a front wheel assembly installed, and a second bracket with a rear wheel assembly installed and rotatably arranged around the first bracket, the first bracket extends in the up-down direction, the second bracket extends in the front-back direction of the frame, the rotation axis of the second bracket extends along the extension direction of the first bracket, the side brackets have a first use state and a second use state, when the side brackets are in the first use state, the free ends of the second brackets on both sides are close to each other; when the side brackets are in the second use state, the free ends of the second brackets on both sides are away from each other.

Preferably, when the side bracket is in the first use state or the second use state, the second bracket is located at two opposite sides of the first bracket in the front-rear direction.

Preferably, the vehicle frame further comprises a support seat located between the side brackets on both sides and rotatably arranged relative to the side brackets, and a rotation axis of the support seat extends along the left-right direction of the vehicle frame.

Preferably, the support seat has a first position and a second position. When the side bracket is in the first usage state and the support seat moves to the first position, the support seat extends in the front-to-back direction, and the bottom of the support seat is placed on the second brackets on both sides. The upper surface of the support seat constitutes a seating surface for the infant to sit on; when the side bracket is in the second usage state and the support seat moves to the second position, the support seat extends in the up-down direction and is folded between the first brackets on both sides.

Preferably, the frame is also provided with a first locking mechanism for locking the side bracket in a first use state and stabilizing the support seat in a first position, and a second locking mechanism for locking the side bracket in a second use state and stabilizing the support seat in a second position.

Preferably, the first locking mechanism includes first clamping parts provided on both sides of the support seat, and first matching parts provided on the second brackets on both sides and matched with the first clamping parts.

Preferably, the second locking mechanism includes second clamping parts provided on both sides of the support seat, and second matching parts provided on the second brackets on both sides and matched with the second clamping parts.

Preferably, the support seat includes a seat body and a tongue body bent and extended to one side from the head of the seat body, the second clamping portion is composed of protrusions formed on both sides of the tongue body, and the second matching portion is composed of a groove formed on one end of the second bracket close to the first bracket.

Preferably, the frame further comprises a handrail connected between the upper ends of the first brackets on both sides for the infant to hold on to.

Preferably, the baby stroller is a walker for babies to learn to walk.

Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art:

The baby stroller of the present invention has few parts and a simple and compact structure. It has two use states that can be switched according to needs. When switched to the first use state, it can provide protection for the baby to ride, and when switched to the second use state, it can provide protection for the baby to stand and learn to walk. Due to the structural design with changeable use states, the baby stroller is more interesting and has a better use experience. After the baby gradually grows up, it can still be kept as a toy car, and the utilization value is greatly improved.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the three-dimensional structure of the baby walker of the present invention in a riding state:

FIG2 is a schematic diagram of the three-dimensional structure of the baby walker of the present invention when it is switched from a riding state to a pushing state (the second bracket is on one side of the first bracket);

FIG3 is a schematic diagram of the three-dimensional structure of the baby walker of the present invention when it is switched from a riding state to a pushing state (the second bracket is on the other side of the first bracket);

FIG4 is a schematic diagram of the three-dimensional structure of the baby walker of the present invention when it is in a state of being pushed and used:

FIG5 is a schematic diagram of the three-dimensional structure of the baby walker of the present invention when it is in a state of being pushed and used (seen from the front):

FIG6 is an exploded view of the baby walker of the present invention;

Among them: 10, first bracket; 100, front wheel assembly; 101, upper rod body; 102, lower rod body; 103, connecting shaft; 104, pin shaft; 1001, front wheel axle; 20, second bracket; 200, rear wheel assembly; 2001, rear wheel axle; 30, support seat; 301, seat body; 302, tongue body; 40, handrail rod; s11, boss; s12, circular groove; s20, seat ear; s21, raised portion; s22, groove.

DETAILED DESCRIPTION

The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments.

As shown in Figures 1 to 6, a baby stroller is provided. In this example, the baby stroller is a walker for babies to learn to walk. The baby walker is used for introduction and explanation below: the frame of the baby walker includes side brackets located on both sides, a support seat 30 located between the side brackets on both sides and rotatably arranged relative to the side brackets, and a handrail rod 40 for the baby to hold on to between the upper ends of the first brackets 10 on both sides. The side brackets include a first bracket 10 with a front wheel assembly 100 installed, and a second bracket 20 with a rear wheel assembly 200 installed and rotatably arranged around the first bracket 10, wherein the first bracket 10 extends in the up-down direction, the second bracket 20 extends in the front-to-back direction of the frame, the rotation axis of the second bracket 20 extends along the extension direction of the first bracket 10, and the rotation axis of the support seat 30 extends along the left-right direction of the frame.

In this example, the side bracket has a first usage state and a second usage state, and the support seat 30 has a first position and a second position, and when the side bracket is in the first usage state or the second usage state, the second bracket 20 is located on opposite sides of the first bracket 10 in the front-to-back direction.

Specifically, as shown in Figure 1, when the side bracket is in the first use state and the support seat 30 moves to the first position, the free ends of the second brackets 20 on both sides are close to each other, the support seat 30 extends along the front and rear direction, and the bottom of the support seat 30 is placed on the second brackets 20 on both sides, and the upper surface of the support seat 30 constitutes the riding surface for the baby to sit on; that is, the baby walker is in a riding use state at this time. In this state, the baby can sit on the upper surface of the support seat 30, facing the side where the first bracket 10 is located, with his feet on the ground and his hands holding the handrail 40, to ride and play. For older children who have learned to walk, they can use it as a toy car for riding and fun in this riding use state.

As shown in Fig. 4 and Fig. 5, when the side bracket is in the second use state and the support seat 30 moves to the second position, the free ends of the second brackets 20 on both sides are away from each other, and the support seat 30 extends in the up-down direction and is folded between the first brackets 10 on both sides; that is, at this time, the baby walker is in the push-to-use state, in which the intervals between the second brackets 20 are large, and there is space for the baby to stand. The baby stands between the second brackets 20 on both sides, facing the side where the first bracket 10 is located, holding the handrail 40 with his hands, and standing to walk. In addition, when the baby walker is in the push-to-use state, some children's playware can be set on the opposite side corresponding to the sitting surface of the support seat 30 (see Fig. 5) to enhance the playability of the baby walker.

In this example, the first brackets 10 on both sides include an upper rod body 101, a lower rod body 102 and a connecting shaft 103 rotatably or fixedly connected between the upper rod body 101 and the lower rod body 102, the upper end of the upper rod body 101 is fixedly connected to the handrail rod 40, and the lower ends of the lower rod bodies 102 on both sides are rotatably connected to the front wheel assembly 100 through a front wheel shaft 1001; the second brackets 20 on both sides are composed of an arc-shaped arc rod, one end of the arc rod is rotatably connected to the connecting shaft 103, and the other end of the arc rod is rotatably connected to the rear wheel assembly 200 through the rear wheel shaft 2001; the support seat 30 includes a seat body 301, a tongue body 302 bent and extended to one side from the head of the seat body 301 (when the baby sits on the support seat 30, the side facing the face is the head, and the side facing the back is the tail), the two sides of the head of the seat body 301 are rotatably connected to the upper rod body 101 through pins 104,

Furthermore, the frame is also provided with a first locking mechanism for locking the side bracket in a first usage state and stabilizing the support seat 30 in a first position, and a second locking mechanism for locking the side bracket in a second usage state and stabilizing the support seat 30 in a second position.

The first locking mechanism includes a first clamping portion provided on both sides of the support seat 30, and a first matching portion provided on both sides of the second bracket 20 and engaging with the first clamping portion, the first clamping portion is composed of a convex column s11 provided on both sides below the tail of the seat body 301, and the first matching portion is composed of a circular groove s12 opened in the middle of the arc rod;

The second locking mechanism includes second clamping parts arranged on both sides of the support seat 30, and second matching parts arranged on the second brackets 20 on both sides and matched with the second clamping parts. The second clamping parts on both sides are respectively composed of protrusions s21 formed on both sides of the tongue body 302. A seat ear s20 is also formed at one end of the second bracket 20 (arc rod) close to the first bracket 10. The seat ear s20 is provided with a groove s22 that matches and engages with the protrusion s21, and the second matching part is composed of the groove s22.

The side bracket of the baby walker of the present invention switches from the first use state to the second use state, and the action process when the support base 30 moves from the first position to the second position is described as follows:

As shown in Figures 1 to 4, first flip the support seat 30 upward from the first position and disengage the boss s11 from the circular groove s12 (only flip it up to disengage the boss s11 from the circular groove s12, there is no need to completely flip the support seat 30 to the second position), at this time the first locking mechanism is unlocked; then the second brackets 20 (arc-shaped rods) on both sides are pulled outward and rotated horizontally around the first bracket 10 to the other side of the first bracket 10, and a certain distance is maintained between the second brackets 20 on both sides to provide space for children to stand, and then continue to flip the support seat 30 so that the protrusion s21 thereon is correspondingly engaged with the groove s22 on the seat ear s20 of the second bracket 20. At this time, the side bracket is in the second usage state, and the support seat 30 moves to the second position.

The side bracket of the baby walker of the present invention switches from the second use state to the first use state, and the support base 30 moves from the second position to the first position in the opposite manner to the above operation, which will not be described in detail here.

To sum up, the baby stroller of the present invention has few parts and a simple and compact structure. It has two usage states that can be switched according to needs. When switched to the first usage state, it can provide protection for the baby to ride, and when switched to the second usage state, it can provide protection for the baby to stand and learn to walk. Due to the structural design with changeable usage states, the baby stroller is more interesting and has a better usage experience. After the baby grows up, it can still be kept as a toy car, and its utilization value is greatly improved.

The above is a detailed description of the present invention, the purpose of which is to enable people familiar with the technology in this field to understand the content of the present invention and implement it, and it is not intended to limit the scope of protection of the present invention. The present invention is not limited to the above-mentioned embodiments. Any equivalent changes or modifications made according to the spirit of the present invention should be covered within the scope of protection of the present invention.

Claims (9)

1. A baby stroller, characterized in that: the frame of the baby stroller includes side brackets located on both sides, the side brackets including a first bracket on which a front wheel assembly is installed, and a second bracket on which a rear wheel assembly is installed and rotatably arranged around the first bracket, the first bracket extending in an up-down direction, the second bracket extending in a front-to-back direction of the frame, and a rotation axis of the second bracket extending along the extension direction of the first bracket, wherein the first brackets on both sides are always fixed to each other, the side brackets have a first use state and a second use state, when the side brackets are in the first use state, the free ends of the second brackets on both sides are close to each other; when the side brackets are in the second use state, the free ends of the second brackets on both sides are away from each other, when the side brackets are in the first use state or the second use state, the second brackets are respectively located on opposite sides of the first bracket in the front-to-back direction, The frame also includes a support seat located between the side brackets on both sides. When the side brackets are in the first usage state, the support seat extends in the front-to-back direction, and the bottom of the support seat is placed on the second brackets on both sides. The upper surface of the support seat constitutes a seating surface for infants and children. 2. The baby stroller according to claim 1, wherein the support seat is rotatably arranged relative to the side bracket, and the rotation axis of the support seat extends along the left-right direction of the frame. 3. The baby stroller according to claim 2 is characterized in that: the support base has a first position and a second position, and when the side bracket is in the first use state, the support base moves to the first position; when the side bracket is in the second use state and the support base moves to the second position, the support base extends in the up and down direction and is folded between the first brackets on both sides. 4. The baby stroller according to claim 3 is characterized in that: the frame is also provided with a first locking mechanism for locking the side bracket in a first usage state and stabilizing the support seat in a first position, and a second locking mechanism for locking the side bracket in a second usage state and stabilizing the support seat in a second position. 5. The baby stroller according to claim 4, wherein the first locking mechanism comprises first clamping parts provided on both sides of the support seat, and first matching parts provided on the second brackets on both sides and matched with the first clamping parts. 6. The stroller according to claim 4, wherein the second locking mechanism comprises second clamping parts provided on both sides of the support seat, and second matching parts provided on the second brackets on both sides and matched with the second clamping parts. 7. The baby stroller according to claim 6 is characterized in that: the support seat includes a seat body, a tongue body bent and extended to one side from the head of the seat body, the second clamping parts on both sides are protrusions formed on both sides of the tongue body respectively, and the second matching part is a groove formed on one end side of the second bracket close to the first bracket. 8. The baby stroller according to claim 1, characterized in that the frame further comprises a handrail connected between the upper ends of the first brackets on both sides for the baby to hold on to. 9. The baby stroller according to any one of claims 1 to 8, characterized in that the baby stroller is a walker for babies to learn to walk.