CN115384596A - Children's barrow - Google Patents

Abstract

The invention discloses a child stroller, which comprises a stroller frame, wherein the stroller frame comprises a front support and a rear support, the child stroller further comprises a bracket for mounting a child car seat, the upper part of the front support, the upper part of the rear support and the front part of the bracket are coaxially and pivotally connected through a rotating shaft, the child stroller further comprises a first locking mechanism for locking the position of the bracket and one of the front support and the rear support, a second locking mechanism for locking the positions of the front support and the rear support and an unlocking mechanism for driving the first locking mechanism to unlock, and after the first locking mechanism is unlocked, the bracket rotates relative to the front support or the rear support to drive the second locking mechanism to unlock. When the child stroller is folded, as long as the unlocking mechanism is operated to unlock the first locking mechanism, the bracket rotates and can unlock the second locking mechanism in the process of closing the rear bracket, so that the second locking mechanism is unlocked without independent operation, the unlocking operation of the second locking mechanism is very convenient, and the folding operation of the child stroller is convenient.

Description

a stroller for children

technical field

The invention relates to the technical field of children's products, in particular to a baby stroller.

Background technique

Children's strollers generally include a stroller frame and a seat assembly arranged on the stroller frame. In the prior art, some child car seats can be installed on the cart frame through brackets, the cart frame can be folded, and the bracket can rotate relative to the cart frame so as to be close to the cart frame. And when the stroller is used in the unfolded state, the stroller frame is locked by the first locking mechanism, and the position between the bracket and the stroller frame is locked by the second locking mechanism. In the prior art, the unlocking of the first locking mechanism and the second locking mechanism needs to be operated separately, which makes the folding operation of the stroller inconvenient.

Contents of the invention

The object of the present invention is to address the deficiencies in the prior art and provide a baby stroller, which can drive the second locking mechanism to unlock when the bracket rotates after the first locking mechanism is unlocked, without the need for a separate operation to make the second lock Agency unlocked.

In order to achieve the above object, the technical scheme adopted in the present invention is:

A kind of stroller for children, comprises stroller frame, and described stroller frame includes front support and rear support, and described child stroller also comprises the bracket that is used for installing child's car seat, and the upper part of described front support, The upper part of the rear bracket and the front part of the bracket are coaxially pivotally connected by a rotating shaft, and the stroller also includes a device for connecting one of the front bracket and the rear bracket to the rear bracket. a first locking mechanism for locking the relative position of the bracket, a second locking mechanism for locking the relative position of the front bracket and the rear bracket, and an unlocking mechanism for driving the unlocking of the first locking mechanism, After the first locking mechanism is unlocked, the second locking mechanism is unlocked when the bracket rotates relative to the front bracket or the rear bracket.

Preferably, the first locking mechanism includes a first locking member slidably arranged between the front bracket or the rear bracket and the bracket along the axial direction of the rotating shaft. When a locking mechanism is in a locked state, both the front bracket or the rear bracket and the bracket are matched with the first locking member; when the first locking mechanism is in an unlocked state, the front One of the bracket or the rear bracket and the bracket is matched with the first locking piece, and the other is disengaged from the first locking piece.

Further, the unlocking mechanism includes an unlocking knob and a first driving member, both of which are slidably arranged, and the unlocking knob cooperates with the first driving member, The first driving part cooperates with the first locking part.

Furthermore, one end of the unlocking handle is provided with a first inclined surface, one end of the first driving member is provided with a second inclined surface matching the first inclined surface, and the first inclined surface matches the first inclined surface. The second slant is matched against each other, and the sliding direction of the first driving member is perpendicular to the sliding direction of the unlocking knob.

Furthermore, the other end surface of the first driving member is in contact with the end surface of the first locking member, and the sliding direction of the first driving member is the same as that of the first locking member.

Preferably, the second locking mechanism includes a second locking member slidably arranged between the front bracket and the rear bracket along the axial direction of the rotating shaft, when the second locking mechanism is in a locked state , both the front bracket and the rear bracket are matched with the second locking member, and when the second locking mechanism is in an unlocked state, one of the front bracket and the rear bracket is in contact with the second locking member. One is matched with the second locking piece, and the other is disengaged from the second locking piece.

Further, the baby stroller also includes a second driving part, which is slidably arranged in the front bracket or the rear bracket, and the second driving part is connected with the bracket and the rear bracket respectively. The second locking piece cooperates.

Further, when the baby stroller is in the unfolded state and the folded state, the second locking mechanism is in the locked state, and the baby stroller makes the bracket relative to the front bracket in the unfolded state and the folded state. Or the second locking mechanism can be unlocked when the rear bracket is rotated.

Furthermore, one of the two parts of the second driving member and the bracket is provided with a protrusion, and the other part is provided with a recess matching the protrusion, and the protrusion part and the concave part extend along the circumferential direction of the bracket rotation, the opposite sides of the convex part are provided with third slopes, and the opposite sides of the concave part are provided with third slopes matching the third slope The fourth slope, when the second locking mechanism is in the locked state, the convex part is located in the concave part, the third slope on each side is in contact with the fourth slope on the corresponding side, When the second locking mechanism is in an unlocked state, the convex part escapes from the concave part.

Preferably, at the joints of the front bracket, the rear bracket and the bracket, along the axial direction of the rotating shaft, the rear bracket, the front bracket and the bracket are sequentially arranged from outside to inside, The first locking mechanism is used to lock the relative positions of the front bracket and the bracket.

Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art: the children's stroller of the present invention locks the relative position of the stroller frame and the bracket through the first locking mechanism, and locks the front The relative position of the bracket and the rear bracket is locked. When the stroller is folded, as long as the unlocking mechanism is operated to unlock the first locking mechanism, the second locking mechanism can be unlocked when the bracket rotates and moves closer to the rear bracket, so that no separate operation is required Unlocking the second locking mechanism makes the unlocking operation of the second locking mechanism very convenient, thereby facilitating the folding operation of the stroller.

Description of drawings

Accompanying drawing 1 is the three-dimensional schematic view of the children's stroller in the unfolded state of the present embodiment;

Accompanying drawing 2 is the side view diagram of the children's stroller in the unfolded state of the present embodiment;

Accompanying drawing 3 is the exploded schematic view of the children's stroller of the present embodiment at the pivot joints of the front bracket, the rear bracket and the bracket;

Accompanying drawing 4 is the partially enlarged schematic diagram of place A in accompanying drawing 3;

Accompanying drawing 5 is the schematic cross-sectional view of the children's stroller of the present embodiment at the pivot joints of the front bracket, the rear bracket and the bracket (both the first locking mechanism and the second locking mechanism are in the locked state);

Accompanying drawing 6 is the schematic cross-sectional view of the children's stroller in this embodiment at the pivot connection of the front bracket, the rear bracket and the bracket (both the first locking mechanism and the second locking mechanism are in the unlocked state);

Accompanying drawing 7 is the three-dimensional schematic view of the children's stroller in the folding process of the present embodiment;

Accompanying drawing 8 is the schematic side view of the stroller of this embodiment during the folding process;

Accompanying drawing 9 is the three-dimensional schematic view of the children's stroller in the folded state of this embodiment;

Figure 10 is a schematic side view of the stroller of this embodiment in a folded state.

Among them: 11. Front bracket; 111. Third tooth groove; 12. Rear bracket; 2. Bracket; 21. Second tooth groove; 22. Recess; 221. Fourth slope; 31. Front wheel assembly; Wheel assembly; 4, rotating shaft; 5, first locking piece; 51, first locking tooth; 6, second locking piece; 62, second locking tooth; 71, unlocking knob; 711, first inclined plane; 72, the second A driving part; 721, the second slope; 8, the second driving part; 81, the convex part; 811, the third slope.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 10, the children's stroller of the present invention includes a stroller frame with an unfolded state and a folded state, a bracket 2 arranged on the stroller frame, and a bracket 2 arranged at the bottom front of the stroller frame. The front wheel assembly 31 and the rear wheel assembly 32 that are arranged on the bottom rear portion of the cart frame.

The stroller frame includes a front support 11 and a rear support 12. The front wheel assembly 20 is installed on the lower part of the front bracket 11 , and the rear wheel assembly 30 is installed on the lower part of the rear bracket 12 .

The bracket 2 is used for installing the child car seat for the child to ride. The upper part of the front support 11 , the upper part of the rear support 12 and the front part of the bracket 2 are coaxially pivotally connected by the rotating shaft 4 .

The stroller also includes a first locking mechanism and a second locking mechanism. The first locking mechanism can be arranged between the front bracket 11 and the bracket 2 to lock the relative position of the two, and can also be arranged between the rear bracket 12 and the bracket 2 to lock the relative position of the two. The second locking mechanism is arranged between the front bracket 11 and the rear bracket 12 to lock the relative positions of the two. When the first locking mechanism is in the locked state, the bracket 2 cannot rotate relative to the front bracket 11 or the rear bracket 12 . When the second locking mechanism is in the locked state, the front bracket 11 and the rear bracket 12 cannot rotate relative to each other. When both the first locking mechanism and the second locking mechanism are in the locked state, the relative positions of the front bracket 11, the rear bracket 12 and the bracket 2 are all fixed and cannot be relatively rotated.

The first locking mechanism includes a first locking member 5, which is sleeved on the rotating shaft 4, and can be slidably arranged on one of the front bracket 11 and the rear bracket 12 and the bracket along the axis direction of the rotating shaft 4. between racks 2. When the first locking mechanism is in the locked state, the front bracket 11 or the rear bracket 12 and the bracket 2 are respectively matched with the first locking member 5 , as shown in FIG. 5 . When the first locking mechanism is in the unlocked state, one of the first locking member 5 in the front bracket 11 or the rear bracket 12 and the bracket 2 cooperates, and the other is disengaged from the cooperation of the first locking member 5, as Figure 6 shows.

In this embodiment, at the joints of the front bracket 11, the rear bracket 12 and the bracket 2, along the axial direction of the rotating shaft 4, the rear bracket 12, the front bracket 11 and the bracket 2 are sequentially arranged from outside to inside, and the first locking mechanism is used To lock the relative position of the front bracket 11 and the bracket 2 , that is, the first locking member 5 is slidably disposed between the front bracket 11 and the bracket 2 .

In a specific embodiment, as shown in FIG. 3 and FIG. 4 , the first locking member 5 is provided with a first locking tooth 51 , and the front bracket 11 is provided with a first tooth groove that matches the first locking tooth 51 , the bracket 2 is provided with a second slot 21 that matches the first locking tooth 51 . When the first locking mechanism is in the locked state, the first locking teeth 51 on the first locking member 5 are respectively engaged with the first slot and the second slot 21 . When the first locking mechanism is in the unlocked state, the first locking tooth 51 on the first locking member 5 engages with the first tooth slot and disengages from the second tooth slot 21 .

The stroller also includes a first elastic member (not shown in the figure), the elastic force of the first elastic member is used to drive the first locking member 5 to slide in a direction in which the first locking tooth 51 is matched with the second tooth groove 21 , that is, the elastic force of the first elastic member resets the first locking mechanism from the unlocked state to the locked state. One end of the first elastic member is disposed on the first locking member 5 , and the other end of the first elastic member is disposed on the front bracket 11 .

The second locking mechanism includes a second locking member 6 sleeved on the rotating shaft 4 and disposed between the front bracket 11 and the rear bracket 12 so as to be slidable along the axial direction of the rotating shaft 4 . When the second locking mechanism is in the locked state, both the front bracket 11 and the rear bracket 12 cooperate with the second locking member 6 respectively, as shown in FIG. 5 . When the second locking mechanism is in the unlocked state, one of the second locking member 6 in the front bracket 11 and the rear bracket 12 cooperates, and the other is disengaged from the cooperation of the second locking member 6, as shown in Figure 6 .

In a specific embodiment, as shown in FIG. 3 , the second locking member 6 is provided with a second locking tooth 61 , and the front bracket 11 is also provided with a third tooth groove 111 matched with the second locking tooth 61 , The rear bracket 12 is provided with a fourth tooth slot that cooperates with the second locking tooth 61 . When the second locking mechanism is in the locked state, the second locking tooth 61 on the second locking member 6 is respectively engaged with the third slot 111 and the fourth slot. When the second locking mechanism is in the unlocked state, the second locking tooth 61 on the second locking member 6 engages with the fourth tooth slot and disengages from the third tooth slot 111 .

The stroller also includes a second elastic member (not shown in the figure), the elastic force of the second elastic member is used to drive the second locking member 6 to slide in a direction in which the second locking tooth 61 is matched with the third tooth groove 111 , that is, the elastic force of the second elastic member resets the second locking mechanism from the unlocked state to the locked state. One end of the second elastic member is disposed on the second locking member 6 , and the other end of the second elastic member is disposed on the rear bracket 12 .

The stroller also includes an unlocking mechanism that can actuate the unlocking of the first locking mechanism when the unlocking mechanism is operated in the locked state.

The unlocking mechanism includes an unlocking knob 71 and a first driver 72, both of which can be slidably arranged, and the unlocking knob 71 is operated by hand when the first locking mechanism is unlocked, and the first driver 72 is disposed between the unlocking knob 71 and the first locking member 5 , and its two ends are matched with the unlocking knob 71 and the first locking member 5 respectively.

In this embodiment, as shown in FIGS. 3 to 6 , an end of the unlocking knob 71 close to the first driving member 72 is provided with a first slope 711 , and one end of the first driving member 72 is provided with a slope corresponding to the first slope 711 . The matching second slope 721 , the first slope 711 is matched with the second slope 721 . When the unlocking knob 71 slides, the first driving member 72 is also driven to slide through the abutting cooperation between the first slope 711 and the second slope 721 , and the sliding direction of the first driving member 72 is perpendicular to the sliding direction of the unlocking knob 71 .

The other end surface of the first driving member 72 is matched with the end surface of the first locking member 5, so that when the first driving member 72 slides, the first locking member 5 is pushed to slide synchronously, and the sliding direction of the first driving member 72 is consistent with the first locking member 5. The sliding directions of a locking piece 5 are the same. That is, both the first driving member 72 and the first locking member 5 slide along the axial direction of the rotating shaft 4 , and the sliding direction of the unlocking knob 71 is perpendicular to the axial direction of the rotating shaft 4 .

The baby stroller also includes a second driving part 8 , which is slidably disposed in the front bracket 11 or the rear bracket 12 , and the second driving part 8 cooperates with the bracket 2 and the second locking part 6 respectively. When the stroller is in the unfolded state and the folded state, the second locking mechanism is in a locked state. Regardless of whether the stroller is in the expanded state or the folded state, when the first locking mechanism is unlocked and the bracket 2 rotates relative to the front bracket 11 or the rear bracket 12, the second driving member 8 can drive the second locking mechanism to be unlocked. In this embodiment, the second driving member 8 is slidably disposed in the front bracket 11 .

As shown in Figures 3 and 4, one end of the second driving member 8 and the bracket 2 are provided with a convex portion 81 on one of the two components, and the other component is provided with a concave portion 22 that matches the convex portion 81. , the convex portion 81 and the concave portion 22 both extend along the circumferential direction in which the bracket 2 rotates. Both opposite sides of the protrusion 81 are provided with third slopes 811 , and opposite sides of the recess 22 are provided with fourth slopes 221 matching the third slopes 811 .

When the second locking mechanism is in the locked state, the protrusion 81 is located in the recess 22 , and the third slope 811 on each side is in contact with the fourth slope 221 on the corresponding side. When the second locking mechanism is in the unlocked state, the convex portion 81 escapes from the concave portion 22 .

The other end of the second driving part 8 and the end surface of the second locking part 6 are fitted against each other, so that the sliding directions of the second driving part 8 and the second locking part 6 are the same, and both of them slide along the axial direction of the rotating shaft 4 .

When the stroller is in the unfolded state, both the first locking mechanism and the second locking mechanism are in the locked state, as shown in Fig. 1 and Fig. 2 .

When the stroller is folded from the unfolded state, the unlocking knob 71 is operated to make it slide in the direction perpendicular to the axis of the rotating shaft 4, and the first driving member 72 moves along The axial direction of the rotating shaft 4 slides to drive the first locking member 5 to slide in the same direction until the first locking member 5 disengages from the bracket 2, that is, the engagement of the first locking tooth 51 and the second tooth groove 21 is disengaged, and the first The locking mechanism is unlocked. The bracket 2 is rotated in the direction close to the rear bracket 12, and the second driving member 8 is driven to slide relative to the front bracket 11 along the axial direction of the rotating shaft 4 through the abutment and cooperation between the third inclined surface 811 on one side and the fourth inclined surface 221 , so that the convex part 81 is gradually released from the concave part 22, and the second locking part 6 is slid in the same direction until the second locking part 6 is released from the front bracket 11, that is, the second locking tooth 61 is engaged with the third tooth groove 111 Disengage, the second locking mechanism is unlocked, the convex part 81 escapes from the concave part 22, and the front bracket 11 can rotate backward relative to the rear bracket 12 and move closer to the rear bracket 12, as shown in Figures 7 and 8, until the front bracket 11. The rear bracket 12 and the bracket 2 are close together, and finally folded as shown in Fig. 9 and Fig. 10 .

When both the front bracket 11 and the bracket 2 are rotated to the folded state, the convex portion 81 corresponds to the position of the concave portion 22, and the second locking member 6 moves toward the bracket 2 under the action of the elastic force of the second elastic member. direction to drive the second driving member 8 to slide in the same direction until the convex part 81 is inserted into the concave part 22 again, and the first locking part 6 cooperates with the front bracket 11 and the bracket 2 at the same time, that is, when the stroller is in the folded state, The second locking mechanism is in a locked state.

When the stroller is unfolded from the folded state, the bracket 2 is rotated away from the rear bracket 12, and the second driving member 8 is driven to move along the third inclined surface 811 on the other side and the fourth inclined surface 221 through the abutting cooperation between the third inclined surface 811 and the fourth inclined surface 221. The axial direction of the rotating shaft 4 slides relative to the front bracket 11, and the convex part 81 is gradually disengaged from the concave part 22, so that the second locking part 6 slides in the same direction until the second locking part 6 escapes from the front bracket 11, that is, the second locking The engagement of the tooth 61 and the third tooth groove 111 is disengaged, and the second locking mechanism is unlocked. At this time, the front bracket 11 can rotate in a direction away from the rear bracket 12 until the baby stroller is in an unfolded state.

The above-mentioned embodiments are only to illustrate the technical conception and characteristics of the present invention. The purpose is to enable those familiar with this technology to understand the content of the present invention and implement it accordingly, and cannot limit the scope of protection of the present invention. All equivalent changes or modifications made according to the spirit of the present invention shall fall within the protection scope of the present invention.

Claims (10)

1. The utility model provides a children's shallow, includes the shallow frame, the shallow frame includes fore-stock and after-poppet, its characterized in that: the child stroller further comprises a bracket for mounting a child car seat, the upper portion of the front support, the upper portion of the rear support and the front portion of the bracket are in coaxial pivoting connection through a rotating shaft, the child stroller further comprises a first locking mechanism, a second locking mechanism and an unlocking mechanism, the first locking mechanism is used for locking the relative position of the front support and the rear support, the second locking mechanism is used for locking the relative position of the front support and the rear support, the unlocking mechanism is used for driving the first locking mechanism to unlock, and after the first locking mechanism is unlocked, the bracket is opposite to the front support or the rear support and drives the second locking mechanism to unlock when rotating.

2. The stroller of claim 1, wherein: the first locking mechanism comprises a first locking piece which can be arranged between the front support or the rear support and the bracket in a sliding mode along the axis direction of the rotating shaft, when the first locking mechanism is in a locking state, the front support or the rear support and the bracket are matched with the first locking piece, when the first locking mechanism is in an unlocking state, one of the front support or the rear support and the bracket is matched with the first locking piece, and the other of the front support or the rear support and the bracket is disengaged from the first locking piece.

3. The stroller of claim 2, wherein: the unlocking mechanism comprises an unlocking knob and a first driving piece, the unlocking knob and the first driving piece can be arranged in a sliding mode, the unlocking knob is matched with the first driving piece, and the first driving piece is matched with the first locking piece.

4. The stroller of claim 3, wherein: one end of the unlocking knob is provided with a first inclined plane, one end of the first driving piece is provided with a second inclined plane matched with the first inclined plane, the first inclined plane is abutted to the second inclined plane to be matched, and the sliding direction of the first driving piece is perpendicular to that of the unlocking knob.

5. The stroller of claim 3, wherein: the other end face of the first driving piece is abutted against and matched with the end face of the first locking piece, and the sliding direction of the first driving piece is the same as that of the first locking piece.

6. The stroller of claim 1, wherein: the second locking mechanism comprises a second locking piece which can be arranged between the front support and the rear support in a sliding mode along the axis direction of the rotating shaft, when the second locking mechanism is in a locking state, the front support and the rear support are matched with the second locking piece, when the second locking mechanism is in an unlocking state, one of the front support and the rear support is matched with the second locking piece, and the other one of the front support and the rear support is disengaged from the second locking piece.

7. The stroller of claim 6, wherein: the child stroller further comprises a second driving piece, the second driving piece can be arranged in the front support or the rear support in a sliding mode, and the second driving piece is matched with the bracket and the second locking piece respectively.

8. The stroller of claim 7, wherein: when the children's shallow is in development condition and fold condition, second locking mechanical system all is in the locking state, the children's shallow makes under development condition and fold condition the bracket is relative the fore-stock or homoenergetic makes when the after-poppet rotates second locking mechanical system unblock.

9. Child stroller according to claim 7 or 8, characterized in that: one end of the second driving piece and one of the two parts of the bracket are provided with a convex part, the other part is provided with a concave part matched with the convex part, the convex part and the concave part extend along the circumferential direction of the rotation of the bracket, the two opposite sides of the convex part are provided with third inclined planes, the two opposite sides of the concave part are provided with fourth inclined planes matched with the third inclined planes, when the second locking mechanism is in a locking state, the convex part is positioned in the concave part, the third inclined planes on each side are abutted and matched with the fourth inclined planes on the corresponding side, and when the second locking mechanism is in an unlocking state, the convex part is disengaged from the concave part.

10. The stroller of claim 1, wherein: the rear support, the front support and the bracket are sequentially arranged from outside to inside along the axis direction of the rotating shaft at the joint of the front support, the rear support and the bracket, and the first locking mechanism is used for locking the relative positions of the front support and the bracket.

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