CN217496219U - Children's barrow - Google Patents

Abstract

The utility model discloses a child cart, including the shallow frame, the shallow frame includes push-up rod, push down rod and bar, the lower part of push-up rod with the upper portion of push down rod is rotated through the first axle and is connected, the bar sets up through the secondary shaft with rotating on the push down rod, child cart is still including setting up the bar with be used for between the push down rod with the locking mechanical system of the relative position locking of the two and work as the push-up rod is relative the lower bar rotate with be used for ordering about when the push down rod draws close the release mechanism of locking mechanical system unblock. According to the child stroller, when the upper push rod rotates and the lower push rod is close to each other in the folding process, the unlocking mechanism can be driven to act to unlock the locking mechanism, independent operation is not needed to unlock the locking mechanism, independent operation of the grab bar is not needed, the grab bar is not needed to be operated, the push rod is driven to rotate relative to the lower push rod, the folding operation of the grab bar is convenient, and the child stroller is convenient to use.

Description

Children's barrow

Technical Field

The utility model relates to a children's articles for use technical field, concretely relates to children's shallow.

Background

The children's barrow provides great convenience for adults to carry smaller children for outdoor activities. The baby stroller comprises a stroller frame, the stroller frame comprises a push rod assembly and a grab bar arranged on the push rod assembly, the grab bar can rotate relative to the push rod assembly, and the grab bar can be drawn close to the push rod assembly when the baby stroller is folded, so that the baby stroller is compact in structure and small in size after being folded. And when the baby stroller is unfolded for use, the relative position between the grab bar and the push rod assembly is locked by the locking mechanism.

In the prior art, when the stroller is folded, the unlocking operation of the locking mechanism needs to be carried out independently, so that the folding operation of the stroller is inconvenient and the stroller is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a children's shallow to not enough among the prior art, this children's shallow passes through locking mechanical system and locks the relative position of bar and lower push rod, this locking mechanical system's unblock convenient operation.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a children's shallow, includes the shallow frame, the shallow frame includes push-up rod, push down rod and bar, the lower part of push-up rod with the upper portion of push down rod is rotated through the primary shaft and is connected, the bar sets up with rotating through the secondary shaft on the push down rod, children's shallow is still including setting up the bar with be used for between the push down rod with the locking mechanical system of the relative position locking of the two and work as the push up rod is relative the push down rod rotate with be used for ordering about when the push down rod draws close the unlocking mechanism of locking mechanical system unblock.

Preferably, the locking mechanism includes a locking member slidably disposed between the grab rail and the lower push rod in the axial extension direction of the second shaft, the locking member being engaged with the grab rail and the lower push rod, respectively, when the locking mechanism is in the locked state, and the locking member being engaged with one of the grab rail and the lower push rod and disengaged from the other when the locking mechanism is in the unlocked state.

Further, the release mechanism includes first driving piece, second driving piece, third driving piece and haulage cable, first driving piece can set up with rotating the bar or on the push down rod, the second driving piece can set up with sliding the bar or on the push down rod, the third driving piece can set up with sliding on the push down rod, first driving piece with the locking piece cooperatees, the both ends of second driving piece respectively with first driving piece the third driving piece cooperatees, a tip setting of haulage cable is in on the third driving piece.

Furthermore, the first driving part can also be arranged in a sliding manner along the axial extension direction of the second shaft, the first driving part is abutted against the locking part and matched with the locking part, and the abutted end faces of the first driving part and the locking part are perpendicular to the axial extension direction of the second shaft.

In a specific embodiment, the first driving member is matched with the grab bar or the lower push rod through an inclined plane, so that the first driving member can slide along the axial extension direction of the second shaft when rotating.

In another specific embodiment, the first driving member and the locking member are in abutting fit through an inclined surface, so that when the first driving member rotates, the locking member is driven to slide along the axial extension direction of the second shaft.

In a specific embodiment, a protrusion is disposed on the first driving member, and when the locking mechanism is in the locked state, an end of the second driving member abuts against and is engaged with the protrusion.

In a specific embodiment, an inclined plane is disposed on the third driving member, and the other end of the second driving member can abut against the inclined plane to be matched.

Furthermore, the unlocking mechanism further comprises a fourth driving part which is arranged on the lower push rod in a manner of rotating around the first shaft, the upper push rod is matched with the fourth driving part, and the other end part of the traction cable is arranged on the fourth driving part.

Furthermore, the stroller further comprises a first elastic element for driving the locking mechanism to reset from the unlocking state to the locking state and a second elastic element for driving the third driving element to reset in a reverse sliding manner, the first elastic element is arranged between the grab bar or the lower push rod and the locking element, and the second elastic element is arranged between the lower push rod and the third driving element.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage: the utility model discloses a children's shallow is when launching the use, and the relative position between bar and the lower push rod passes through the locking mechanical system locking, and when children's shallow was folding, the in-process that the relative lower push rod of upper push rod rotated and drawn close with the lower push rod can order about the locking mechanical system unblock, and after the locking mechanical system unblock, the bar can overturn downwards and draw close with the lower push rod under self action of gravity relatively to realize the folding operation of bar. In the folding process of the whole grab rail, the locking mechanism is unlocked without independent operation, and the grab rail is rotated relative to the lower push rod without independent operation, so that the folding operation of the grab rail is convenient, and the use of the baby stroller is convenient.

Drawings

Fig. 1 is a perspective view of a partial structure of the stroller in the unfolded state according to the present embodiment;

fig. 2 is a front view schematically illustrating a partial structure of the stroller in the unfolded state according to the present embodiment;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is an enlarged view of a portion of FIG. 3 at B;

FIG. 6 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 7 is an enlarged view of a portion of FIG. 6 at A;

fig. 8 is a perspective view of a part of the stroller of this embodiment during the folding process;

fig. 9 is a front view schematically illustrating a part of the structure of the stroller of this embodiment during the folding process;

FIG. 10 is a schematic cross-sectional view taken along line A-A of FIG. 9;

FIG. 11 is an enlarged view of a portion of FIG. 10 at A;

FIG. 12 is an enlarged view of a portion of FIG. 10 at B;

FIG. 13 is a schematic cross-sectional view taken along line B-B of FIG. 9;

FIG. 14 is an enlarged view of a portion of FIG. 13 at A;

fig. 15 is a perspective view of a partial structure of the stroller of this embodiment in a folded state;

fig. 16 is a front view of the partially constructed stroller of this embodiment in a folded state;

FIG. 17 is a schematic cross-sectional view taken along line A-A of FIG. 16;

FIG. 18 is an enlarged partial view taken at A in FIG. 17;

FIG. 19 is an enlarged partial view of FIG. 17 at B;

FIG. 20 is a schematic cross-sectional view taken along line B-B of FIG. 16;

fig. 21 is an enlarged view of a portion a of fig. 20.

Wherein: 1. a push rod is arranged; 2. a lower push rod; 21. a handrail seat; 22. fixing a column; 3. a grab rail; 41. a first shaft; 42. a second shaft; 5. a locking member; 61. a first driving member; 62. a second driving member; 63. a third driving member; 64. a traction cable; 65. a fourth drive; 71. a first elastic member; 72. a second elastic member.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

The utility model discloses a children's shallow includes the shallow frame and sets up the wheel subassembly in the bottom of shallow frame.

As shown in fig. 1 to 21, the cart frame includes an upper push rod 1, a lower push rod 2, and a grab bar 3. The lower part of the upper push rod 1 is rotatably connected with the upper part of the lower push rod 2 through a first shaft 41. In this embodiment, the lower push rod 2 is fixedly provided with the armrest seat 21, and the end of the armrest rod 3 is rotatably connected with the armrest seat 21 through the second shaft 42.

The stroller further comprises a locking mechanism provided between the end of the grab bar 3 and the grab seat 21 for locking the relative positions of the grab bar 3 and the grab seat 21.

The locking mechanism has a locked state and an unlocked state, and when the stroller is used in the unfolded state, the locking mechanism is in the locked state, and the relative positions of the grab bar 3 and the grab seat 21 are locked by the locking mechanism. When the locking mechanism is in the unlocked state, the grab bar 3 can be rotated relative to the grab seat 21 so that the grab bar 3 is folded.

Specifically, the locking mechanism includes a locking member 5, and the locking member 5 is provided slidably in the axial extending direction of the second shaft 42 between the grab bar 3 and the grab seat 21. When the locking mechanism is in the locked state, the locking member 5 cooperates with the grab bar 3 and the grab seat 21, respectively. When the lock mechanism is in the unlock-fixed state, the lock member 5 is engaged with one of the two parts of the grab bar 3 and the grab seat 21 and disengaged from the other.

In a specific embodiment, the locking member 5 is provided with locking teeth, and the grab bar 3 and the grab seat 21 are provided with tooth grooves matched with the locking teeth. When the locking mechanism is in the locked state, the locking teeth engage with the tooth grooves on the grab bar 3 and the grab seat 21, respectively, so that the grab bar 3 cannot rotate relative to the grab seat 21, as shown in fig. 6 and 7. When the locking mechanism is in the unlocked state, the locking teeth engage with the splines on one of the two parts, the grab bar 3 and the grab seat 21, and disengage from the splines on the other part. In this embodiment, when the locking mechanism is in the unlocked state, the locking teeth on the locking member 5 engage with the splines on the grab bar 3 and disengage from the splines on the grab seat 21, as shown in fig. 13, 14, 20 and 21. When the locking mechanism slides the locking member 5 relative to the grab bar 3 and the grab rail 21 in the direction in which the axis of the second shaft 42 extends in the locked state, the locking mechanism can be unlocked.

The child stroller further comprises an unlocking mechanism, when the locking mechanism drives the unlocking mechanism to act in a locking state, the locking mechanism can be unlocked, so that the grab bar 3 can rotate downwards under the action of self gravity to be close to the lower push rod 2, and the grab bar 3 can be folded.

In this embodiment, when the locking mechanism rotates around the first shaft 41 relative to the lower push rod 2 and approaches the lower push rod 2 in the locked state, the unlocking mechanism may be actuated to unlock the locking mechanism, so that the unlocking mechanism does not need to be operated separately when the stroller is folded, and the folding operation of the stroller is very convenient.

Specifically, the unlocking mechanism includes a first driver 61, a second driver 62, a third driver 63, and a traction cable 64.

The first driver 61 is rotatably provided on the grab bar 3 or the grab seat 21, the second driver 62 is slidably provided on the grab bar 3 or the grab seat 21, and the third driver 63 is slidably provided on the lower push rod 2. The first driving member 61 is engaged with the locking member 5, both end portions of the second driving member 62 are engaged with the first driving member 61 and the third driving member 63, respectively, and one end portion of the pulling rope 64 is provided on the third driving member 63. When the locking mechanism pulls the third driving member 63 to slide relative to the lower push rod 2 through the traction cable 64 in the locked state, the second driving member 62 is driven to slide relative to the grab bar 3 or the grab bar seat 21 through the matching of the third driving member 63 and the second driving member 62, the first driving member 61 is driven to rotate relative to the grab bar 3 or the grab bar seat 21 through the matching of the second driving member 62 and the first driving member 61, and the locking member 5 slides relative to the grab bar 3 and the grab bar seat 21 through the matching of the first driving member 61 and the locking member 5, so that the locking mechanism is unlocked.

In a specific embodiment, the first driving member 61 is engaged with the grab bar 3 or the grab seat 21 through an inclined plane, the first driving member 61 is engaged with the locking member 5 in an abutting manner, and the abutting end faces of the first driving member 61 and the locking member are perpendicular to the axial extension direction of the second shaft 42. Thus, when the first driving member 61 is driven to rotate by the second driving member 62, the first driving member 61 can also be driven to slide along the axial extension direction of the second shaft 42 by the inclined surface fit between the first driving member 61 and the grab rail 3 or the grab rail seat 21, so that the locking member 5 is driven to synchronously slide along the axial extension direction of the second shaft 42, and the locking mechanism is unlocked.

Of course, the first driving member 61 and the locking member 5 may be engaged with each other by a slope. Thus, when the first driving member 61 is driven to rotate by the second driving member 62, the locking member 5 can be directly driven to slide along the axial extension direction of the second shaft 42 by the inclined surface fit between the first driving member 61 and the locking member 5, so that the locking mechanism is unlocked.

As shown in fig. 3 and 4, the first driver 61 is provided with a projection 611, and when the lock mechanism is in the locked state, one end of the second driver 62 is engaged with the projection 611 in an abutting manner. When the second driving member 62 slides relative to the armrest rod 3 or the armrest seat 21, the first driving member 61 can rotate around the second shaft 42 due to the abutting of the second driving member 62 and the protrusion 611.

As shown in fig. 3, 4, 10, 11, 17 and 18, the third driver 63 is provided with a slope 631, and when the locking mechanism is in the locked state and the third driver 63 is pulled by the traction cable 64 to slide relative to the lower push rod 2, the slope 631 can abut against the other end of the second driver 62, so that when the third driver 63 slides, the second driver 62 can be driven to slide relative to the grab bar 3 or the grab rail seat 21 by the slope 631.

In this embodiment, the unlocking mechanism further includes a fourth driver 65 rotatably provided on the lower push rod 2 about the first shaft 41, the upper push rod 1 is engaged with the fourth driver 65, and the other end portion of the traction cable 64 is provided on the fourth driver 65. When the upper push rod 1 rotates relative to the lower push rod 2, the fourth driving part 65 is driven to rotate relative to the lower push rod 2 around the first shaft 41; when the fourth driving member 65 rotates around the first shaft 41, the pulling cable 64 is pulled, so that the third driving member 63 is pulled by the pulling cable 64 to slide relative to the lower push rod 2.

Of course, the other end of the pulling cable 64 can also be directly disposed on the upper push rod 1, and when the upper push rod 1 rotates relative to the lower push rod 2, the pulling cable 64 can be pulled to pull the third driving member 63 to slide relative to the lower push rod 2.

The stroller further includes a first elastic member 71 for urging the locking mechanism to return from the unlocked state to the locked state, and both end portions of the first elastic member 71 are respectively disposed between the grab bar 3 and the locking member 5.

The stroller also includes a second resilient member 72 for urging the third driving member 63 to slide back in the reverse direction when the stroller is unfolded. The lower push rod 2 is further fixedly provided with a fixed column 22, and two end parts of the second elastic piece 72 are respectively arranged on the fixed column 22 and the third driving piece 63.

When the baby stroller is in the unfolded state, the upper push rod 1 is positioned at the rear upper part of the lower push rod 2, and the grab bar 3 is supported at the front of the lower push rod 2. The locking mechanism is in a locked state. The first driver 61 is rotatably and slidably provided on the armrest seat 21 in the axial direction of the second shaft 42, and the first driver 61 is engaged with the armrest seat 21 via an inclined surface. The second driver 62 is slidably provided on the armrest seat 21, and one end of the second driver 62 abuts on the protrusion 611. The inclined surface 631 of the third driving member 63 extends obliquely from top to bottom, and the other end of the second driving member 62 abuts against the portion of the third driving member 63 above the inclined surface 631, as shown in fig. 1 to 7.

When the stroller is folded, the upper push rod 1 is firstly turned downwards around the first shaft 41 to be close to the lower push rod 2, and in the rotating process of the upper push rod 1, the fourth driving member 65 is driven to rotate around the first shaft 41, the traction cable 64 is pulled, so that the third driving member 63 is pulled by the traction cable 64 to slide upwards relative to the lower push rod 2, the second driving member 62 slides relative to the armrest base 21, the first driving member 61 rotates relative to the armrest base 21 and simultaneously slides along the axial extension direction of the second shaft 42, and the locking member 5 is driven to synchronously slide along the axial extension direction of the second shaft 42 until the locking mechanism is unlocked, as shown in fig. 8-14.

After the locking mechanism is unlocked, the grab bar 3 rotates downwards relative to the grab base 21 around the second shaft 42 under the action of the self gravity to be close to the lower push bar 2, after the grab bar 3 rotates downwards, the upper push bar 1 can continue to rotate to be close to the lower push bar 2 until the upper push bar 1 and the grab bar 3 are close to the lower push bar 2, and finally the folding is as shown in fig. 15 and 16. When the stroller is in the folded state, the other end of the second driving element 62 is disengaged from the inclined surface 631 and abuts against the portion of the third driving element 63 below the inclined surface 631, and the locking mechanism remains in the unlocked state, as shown in fig. 15 to 21.

When the stroller is unfolded from the folded state, the upper push rod 1 is turned upward, so that the fourth driving member 65 is rotated reversely about the first shaft 41, the traction cable 64 is released, and the third driving member 63 is slid downward by the elastic force of the second elastic member 72 to be restored. After the grab bar 3 is turned upwards, the locking member 5 slides reversely under the elastic force of the first elastic member 71, so that the first driving member 61 is driven to rotate reversely and slide reversely along the axial extension direction of the second shaft 42 to reset, and the second driving member 62 slides reversely to reset until the locking mechanism is locked again.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered in 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 push up rod, push down rod and bar, its characterized in that: the lower part of the upper push rod is rotationally connected with the upper part of the lower push rod through a first shaft, the grab bar is rotationally arranged on the lower push rod through a second shaft, the child stroller further comprises a locking mechanism arranged between the grab bar and the lower push rod and used for locking the relative positions of the grab bar and the lower push rod, and an unlocking mechanism used for driving the locking mechanism to unlock when the upper push rod is opposite to the lower push rod and the lower push rod is close to the lower push rod.

2. The stroller of claim 1, wherein: the locking mechanism comprises a locking piece which can be arranged between the grab bar and the lower push rod in a sliding mode along the extension direction of the axis of the second shaft, when the locking mechanism is in a locking state, the locking piece is respectively matched with the grab bar and the lower push rod, and when the locking mechanism is in an unlocking state, the locking piece is matched with one of the two components of the grab bar and the lower push rod and is disengaged from the other component.

3. The stroller of claim 2, wherein: the release mechanism includes first driving piece, second driving piece, third driving piece and haulage cable, first driving piece can set up with rotating the bar or on the lower push rod, the second driving piece can set up with sliding the bar or on the lower push rod, the third driving piece can set up with sliding on the lower push rod, first driving piece with the locking piece cooperatees, the both ends of second driving piece respectively with first driving piece the third driving piece cooperatees, a tip of haulage cable sets up on the third driving piece.

4. The stroller of claim 3, wherein: the first driving piece can also be arranged in a sliding mode along the axis extending direction of the second shaft, the first driving piece is abutted to the locking piece and matched with the locking piece, and the two abutted end faces are perpendicular to the axis extending direction of the second shaft.

5. The stroller of claim 4, wherein: the first driving piece is matched with the grab rail or the lower push rod through an inclined plane.

6. The stroller of claim 3, wherein: the first driving piece and the locking piece are abutted and matched through an inclined plane.

7. The stroller of claim 3, wherein: and when the locking mechanism is in a locking state, one end part of the second driving part is abutted against the convex part to be matched.

8. The stroller of claim 3, wherein: an inclined plane is arranged on the third driving piece, and the other end of the second driving piece can be abutted to the inclined plane to be matched.

9. The stroller of claim 3, wherein: the unlocking mechanism further comprises a fourth driving piece which can be arranged on the lower push rod in a rotating mode around the first shaft, the upper push rod is matched with the fourth driving piece, and the other end portion of the traction cable is arranged on the fourth driving piece.

10. The stroller of claim 3, wherein: the child stroller further comprises a first elastic piece and a second elastic piece, the first elastic piece is used for driving the locking mechanism to reset from the unlocking state to the locking state, the second elastic piece is used for driving the third driving piece to reset in a reverse sliding mode, the first elastic piece is arranged between the grab bar or the lower push rod and the locking piece, and the second elastic piece is arranged between the lower push rod and the third driving piece.

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