CN216140049U - Children's barrow - Google Patents

Abstract

The utility model discloses a children's barrow, comprising a barrow frame, wherein the barrow frame comprises a first rod and a second rod with a pipe cavity, the first rod can be arranged on the second rod in a sliding way along the length extending direction of the pipe cavity, the children's barrow also comprises a locking mechanism for locking the positions of the first rod and the second rod and an unlocking mechanism for unlocking the locking mechanism, the locking mechanism comprises a locking piece arranged on the first rod in a sliding way, the unlocking mechanism comprises an unlocking piece arranged on the first rod in a sliding way and matched with the locking piece, the children's barrow also comprises a positioning piece movably arranged on the first rod, when the locking mechanism is locked, the positioning piece is fixed between the unlocking piece and the inner wall of the second rod and is respectively matched with the unlocking piece and the inner wall of the second rod in an abutting mode, when the unlocking piece slides relative to the first rod to unlock the locking mechanism, the positioning piece is separated from the unlocking piece or the inner wall of the second rod, and the positioning piece can move relative to the first rod. This children's shallow accessible setting element eliminates the clearance between first pole and the second pole, makes first pole and second pole not take place to rock.

Description

Children's barrow

Technical Field

The utility model relates to the technical field of children products, in particular to a stroller.

Background

The children's barrow provides great convenience for adults to carry smaller children for outdoor activities. The children's cart comprises a cart frame, the cart frame comprises two rods which can slide relatively, at least one rod piece is provided with a tube cavity extending along the length direction of the rod piece, and the other rod piece can slide along the length extending direction of the tube cavity to be retracted into the tube cavity or extend out of the tube cavity.

When the stroller is folded from the unfolded state, or unfolded from the folded state, or the usage state of the stroller is adjusted, it is necessary to slide the two rods relative to each other. In order to enable the two rods to smoothly slide relatively, a gap is generally arranged between the two rods, when the relative positions of the two rods are locked through a locking mechanism, the two rods are easy to shake due to the existence of the gap, so that the frame of the stroller is weak in rigidity, and the stability of the stroller is poor.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to overcome the disadvantages of the prior art, and provides a stroller, wherein when the stroller locks the relative positions of the first rod and the second rod by a locking mechanism, a gap between the first rod and the second rod is eliminated by a positioning member, so that the first rod and the second rod do not shake.

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

the utility model provides a children's shallow, includes the shallow frame, and the shallow frame includes first pole and second pole, the second pole has the lumen that extends along its length direction, first pole portion is located in the lumen of second pole and can set up with the length extending direction of following the lumen slides, children's shallow still including be used for with locking mechanical system of the relative position locking of first pole with the second pole with be used for ordering about the release mechanism of locking mechanical system unblock, locking mechanical system sets up including can sliding locking piece on the first pole, release mechanism sets up including can sliding on the first pole and with locking piece matched with unlocking piece, children's shallow still sets up including the activity setting up setting element on the first pole, works as when locking mechanical system is in locking state, the setting element is fixed set up in unlocking piece with between the inner wall of second pole and respectively with unlocking piece with the inner wall counterbalance of second pole is established The cooperation is worked as the unlocking piece is relative first pole makes along first direction slip locking mechanical system unblock back, the setting element breaks away from the unlocking piece or the inner wall of second pole, the setting element can be relative first pole motion.

Preferably, the positioning member is rotatably provided on the first lever.

Furthermore, the locating part sets up respectively the relative both sides of deblocking spare, be located the relative both sides of deblocking spare the locating part with first pole coaxial rotation connects.

Further, be provided with first inclined plane on the unlocking piece, first inclined plane is followed first direction certainly the inside of first pole extends to the outside slope, be provided with on the setting element with first inclined plane assorted second inclined plane, work as locking mechanical system is in locking state, first inclined plane with the cooperation is established in the counterbalance of second inclined plane, work as when locking mechanical system is in unlocking state, first inclined plane with cooperation between the second inclined plane is thrown off.

Furthermore, the surface of the positioning piece, which is abutted against the inner wall of the second rod, is an arc surface.

Preferably, the positioning element is slidably disposed on the first rod, and a sliding direction of the positioning element is perpendicular to a sliding direction of the unlocking element.

Furthermore, a first plane is arranged on the positioning piece, a second plane matched with the first plane is arranged on the unlocking piece, when the locking mechanism is in a locking state, the first plane is abutted against the second plane for matching, and when the locking mechanism is in an unlocking state, the first plane is disengaged from the second plane in a matching manner.

Furthermore, still be provided with on the setting element with the third inclined plane that first plane order meets, the third inclined plane is followed first direction certainly the inside of first pole inclines to the outside and extends, be provided with on the unlocking piece with third inclined plane assorted fourth inclined plane, the second plane with fourth inclined plane order meets, works as when locking mechanical system is in locking condition, the third inclined plane is kept away from the fourth inclined plane, works as when locking mechanical system is in unlocking condition, the third inclined plane can with the fourth inclined plane cooperatees.

Preferably, along the length extending direction of the first rod and the second rod, the positioning parts are at least provided with two groups, and each group comprises two positioning parts respectively arranged at two opposite sides of the unlocking part.

Preferably, the second pole is the push down lever of shallow frame, first pole is the push up rod of shallow frame, locking mechanical system still including set up on the second pole and can with locking piece cooperation or break away from the complex locked groove, the locked groove is provided with a plurality ofly, and a plurality ofly the locked groove is followed the length extending direction interval of second pole sets up, the locking piece cooperatees with different locked groove makes the push up rod is in different height position department, unlocking mechanical system still includes the activity setting operating parts and both ends on the first pole set up respectively the operating parts with the haulage cable on the unblocking part.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages: when the relative position between the first rod and the second rod is locked through the locking mechanism, the positioning piece can be abutted against the inner wall of the second rod, so that the gap between the first rod and the second rod can be eliminated, the first rod and the second rod are prevented from shaking, the strength of a stroller frame is improved, and the stability of the stroller is high; and after the locking mechanism is unlocked, the positioning piece can move relative to the first rod, so that the abutting force of the positioning piece on the second rod is eliminated, and the first rod and the second rod can easily slide relative to each other.

Drawings

Fig. 1 is a schematic structural view of a push rod assembly of the stroller of the present embodiment;

fig. 2 is a partially exploded schematic view of a push rod assembly of the stroller of the present embodiment (embodiment 1);

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at B;

fig. 5 is a schematic sectional view of the push rod assembly of the stroller of this embodiment (embodiment 1, the locking mechanism is in a locked state);

FIG. 6 is an enlarged view of a portion of FIG. 5 at A;

fig. 7 is a schematic sectional view of the push rod assembly of the stroller of this embodiment (embodiment 1, the locking mechanism is in an unlocked state);

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is an enlarged view of a portion of FIG. 7 at B;

fig. 10 is a partially exploded view of the push rod assembly of the stroller of this embodiment (embodiment 2);

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 of the push rod assembly of the stroller of this embodiment (embodiment 2, with the locking mechanism in the locked state);

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

FIG. 15 is an enlarged view of a portion of FIG. 13 at B;

fig. 16 is a schematic sectional view of the push rod assembly of the stroller of this embodiment (embodiment 2, the lock mechanism is in an unlocked state);

FIG. 17 is an enlarged view of a portion of FIG. 16 at A;

fig. 18 is a partial enlarged view of fig. 16 at B.

Wherein: 1. a first lever; 2. a second lever; 31. a locking member; 32. a first elastic member; 41. unlocking the lock; 411. a first inclined plane; 412. a second plane; 413. a fourth slope; 42. an operating member; 43. a traction cable; 44. a second elastic member; 5. a positioning member; 51. a second inclined plane; 52. a first plane; 53. a third inclined plane.

Detailed Description

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

As shown in fig. 1, the stroller of the present invention comprises a stroller frame including a first rod 1 and a second rod 2, and the first rod 1 is slidably disposed on the second rod 2 along a length extension direction of the second rod 2.

The second rod 2 has a lumen extending along the length thereof, and the first rod 1 is partially located in the lumen and is slidable relative to the second rod 2 in the direction of retraction or extension of the lumen along the length extension of the lumen.

The stroller further comprises a locking mechanism for locking the relative positions of the first rod 1 and the second rod 2, the locking mechanism having a locked state and an unlocked state, and when the locking mechanism is in the locked state, the relative positions of the first rod 1 and the second rod 2 are fixed and cannot slide relative to each other; when the locking mechanism is in the unlocked state, the first rod 1 and the second rod 2 can slide relatively.

Specifically, the locking mechanism includes a locking member 31 slidably provided on the first lever 1 and a locking groove provided on the second lever 2 and matching with the locking member 31. When the lock mechanism is in the locked state, the lock member 31 is inserted in the lock groove; when the lock mechanism is in the unlocked state, the locking member 31 is disengaged from the lock groove.

The locking groove may be provided in plurality at intervals along the length extension direction of the second lever 2, so that the locking of the first lever 1 and the second lever 2 may be performed at different positions.

The locking mechanism further includes a first elastic member 32 for urging the locking member 31 to return from the unlocked state to the locked state, and in this embodiment, the first elastic member 32 is a compression spring, and both end portions of the compression spring are respectively provided on the locking member 31 and the first lever 1.

The stroller further comprises an unlocking mechanism for actuating the locking mechanism to unlock, the unlocking mechanism comprising an unlocking member 41 slidably arranged on the first bar 1, the unlocking member 41 cooperating with the locking member 31. When the unlocking member 41 slides relative to the first rod 1 in the first direction in the locked state of the locking mechanism, the locking member 31 is driven to slide relative to the first rod 1 and be disengaged from the locking groove by the cooperation of the unlocking member 41 and the locking member 31, so that the locking mechanism is unlocked.

In this embodiment, the unlocking member 41 and the locking member 31 are engaged with each other through an inclined surface, and when the unlocking member 41 slides relative to the first rod 1 in the first direction, the locking member 31 slides relative to the first rod 1 in a direction perpendicular to the first direction and in a direction away from the locking groove.

The unlocking mechanism further comprises an operating member 42 and a traction cable 43. The operating member 42 is movably provided on the first lever 1 for manual operation when unlocking the lock mechanism. One end of the pulling cable 43 is fixed to the operating member 42, and the other end is provided to the unlocking member 41. When the operating member 42 is operated in the locked state of the locking mechanism, the pulling cable 43 is stretched, and the pulling cable 43 pulls the unlocking member 41 to slide in the first direction with respect to the first lever 1, thereby unlocking the locking mechanism.

The unlocking mechanism further includes a second elastic member 44 disposed between the first rod 1 and the unlocking member 41, and in this embodiment, the second elastic member 44 is a compression spring, and both ends of the compression spring are disposed on the unlocking member 41 and the first rod 1, respectively. When the operating member 42 is operated to unlock the lock mechanism, the second elastic member 44 is compressed; when the operating member 42 is released, the unlocking member 41 is slidably restored to the original position in a second direction opposite to the first direction by the elastic force generated by the elastic deformation of the second elastic member 44.

The pushchair further comprises a positioning member 5 movably arranged on the first bar 1. When locking mechanical system is in the locking condition, setting element 5 is fixed relative first pole 1, and setting element 5 is located between the inner wall of deblocking piece 41 and second pole 2 to offset respectively with the inner wall of deblocking piece 41 and second pole 2 and establish the cooperation, like this, because setting element 5 supports and establishes the effect, can eliminate the clearance between first pole 1 and the second pole 2, make first pole 1 and second pole 2 can not take place to rock, thereby can improve the intensity of shallow frame. When the unlocking member 41 slides along the first direction relative to the first rod 1 to unlock the locking mechanism, the positioning member 5 can be disengaged from the engagement with the unlocking member 41 or from the inner wall of the second rod 2, so that the positioning member 5 can move relative to the first rod 1, the abutting force applied to the second rod 2 by the positioning member 5 is eliminated, and the first rod 1 and the second rod 2 can easily slide relative to each other.

Along the length extending direction of first pole 1 and second pole 2, setting element 5 is provided with two sets ofly at least, and every group all includes two setting elements 5 that set up in the relative both sides of unblock piece 41, and like this, the effectual location of a plurality of setting elements 5 of accessible form, and in addition, can not take place the skew between first pole 1 and the second pole 2 to make smooth relative slip between first pole 1 and the second pole 2.

The arrangement of the positioning element 5 on the first lever 1 and the manner of cooperation thereof with the unlocking element 41 are given in the present embodiment in the following two specific embodiments.

Example 1

As shown in fig. 2 to 9, the positioning member 5 is rotatably provided on the first lever 1. In this embodiment, one end of each of the positioning members 5 located on opposite sides of the unlocking member 41 is coaxially and rotatably connected to the first rod 1.

The opposite two sides of the unlocking piece 41 are respectively provided with a first inclined surface 411, the first inclined surfaces 411 on the two sides all extend obliquely from the inside of the first rod 1 to the outside along the first direction, the positioning piece 5 is provided with a second inclined surface 51 matched with the first inclined surface 411, and the other end of the positioning piece 5 is an arc surface.

When the locking mechanism is in the locking state, the second inclined surface 51 abuts against the first inclined surface 411 on the corresponding side and is matched with the first inclined surface, and the arc surface abuts against the inner wall of the second rod 2, so that the positioning member 5 is fixed between the unlocking member 41 and the inner wall of the second rod 2 to play a role in positioning.

When the locking mechanism is in the unlocking state, the first inclined surface 411 is disengaged from the second inclined surface 51, the restraining force of the unlocking piece 41 acting on the positioning piece 5 is eliminated, the abutting force of the positioning piece 5 acting on the inner wall of the second rod 2 is also eliminated, and when the first rod 1 slides relative to the second rod 2, the positioning piece 5 can rotate relative to the first rod 1, so that the sliding of the first rod 1 cannot be blocked. Because the contact surface of the positioning piece 5 and the second rod 2 is an arc surface, the friction force is smaller when the first rod 1 slides relative to the second rod 2, and the relative sliding of the first rod 1 and the second rod 2 is more convenient.

Example 2

As shown in fig. 10 to 18, the positioning member 5 is slidably disposed on the first rod 1, and the sliding direction of the positioning member 5 is perpendicular to the sliding direction of the unlocking member 41.

The positioning member 5 is provided with a first plane 52, and the unlocking member 41 is provided with second planes 412 on opposite sides thereof to match the first plane 52.

When the locking mechanism is in the locking state, the first plane 52 abuts against and is matched with the second plane 412 on the corresponding side, and meanwhile, the positioning member 5 also abuts against the inner wall of the second rod 2, so that the positioning member 5 is fixed between the unlocking member 41 and the inner wall of the second rod 2 to play a positioning role.

When the locking mechanism is in the unlocking state, the first plane 52 and the second plane 412 are disengaged, the restraining force of the unlocking piece 41 on the positioning piece 5 is eliminated, the abutting force of the positioning piece 5 on the inner wall of the second rod 2 is also eliminated, and when the first rod 1 slides relative to the second rod 2, the positioning piece 5 can slide relative to the first rod 1 and is disengaged from the abutting with the inner wall of the second rod 2, so that the sliding of the first rod 1 cannot be blocked.

The positioning member 5 is further provided with a third inclined surface 53 sequentially connected to the first plane 52, the third inclined surface 53 extends obliquely from the inside of the first rod 1 to the outside in the first direction, the unlocking member 41 is provided with a fourth inclined surface 413 matched with the third inclined surface 53, and the second plane 412 is sequentially connected to the fourth inclined surface 413.

When the locking mechanism is in the locked state, the third inclined surface 53 is far away from the fourth inclined surface 413, and when the locking mechanism is in the unlocked state, the third inclined surface 53 can be matched with the fourth inclined surface 413 in the process of sliding the first rod 1 relative to the second rod 2. When the locking mechanism is reset from the unlocked state to the locked state, the positioning member 5 can be driven to slide towards the direction close to the inner wall of the second rod 2 by the cooperation of the third inclined surface 53 and the fourth inclined surface 413, so that the first plane 52 can be matched with the second plane 412, and the positioning member 5 can play a positioning role.

When the stroller is in the unfolded use state, the locking mechanism is in the locked state, and the positioning member 5 is fixed between the unlocking member 41 and the inner wall of the second rod 2 to eliminate the gap between the first rod 1 and the second rod 2, so that the first rod 1 and the second rod 2 are not shaken, the stroller is in the stable use state, and the safety performance of the stroller in use is improved.

When the stroller is folded, the first rod 1 and the second rod 2 need to slide relatively to each other, and the positioning member 5 can move relative to the first rod 1, so that the supporting force of the positioning member 5 acting on the second rod 2 is eliminated, and the first rod 1 and the second rod 2 can slide relatively easily.

The stroller frame comprises a push rod assembly, the push rod assembly comprises a lower push rod and an upper push rod, the first rod is an upper push rod, the second rod is a lower push rod, and the locking piece 31 can be inserted into different lock grooves to lock the upper push rod at a plurality of height positions, so that the stroller frame can be suitable for people with different heights to use. When the height of the push rod is adjusted, the locking mechanism is unlocked, the first rod 1 and the second rod 2 can slide relatively to adjust the position of the second rod 2, and in the relative sliding process of the first rod 1 and the second rod 2, the positioning piece 5 can move relative to the first rod 1, so that the abutting force of the positioning piece 5 acting on the second rod 2 is eliminated, and the first rod 1 and the second rod 2 can easily slide relatively.

The above embodiments are merely illustrative of the technical ideas 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 implement the present invention, and not to 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 within the protection scope of the present invention.

Claims (10)

1. A stroller comprising a stroller frame including a first rod and a second rod, the second rod having a lumen extending along a length direction thereof, the first rod portion being located in the lumen of the second rod and slidably disposed along the length extending direction of the lumen, the stroller further comprising a locking mechanism for locking a relative position of the first rod and the second rod and an unlocking mechanism for actuating the locking mechanism to unlock, the locking mechanism comprising a locking member slidably disposed on the first rod, the unlocking mechanism comprising an unlocking member slidably disposed on the first rod and cooperating with the locking member, characterized in that: child cart still sets up including the activity setting member on the first pole, works as when locking mechanical system is in lock-out state, the setting member is fixed set up in the deblocking spare with between the inner wall of second pole and respectively with the deblocking spare with the cooperation is established in the inner wall counterbalance of second pole, works as the deblocking spare is relative first pole slides along the first direction and makes behind the locking mechanical system unblock, the setting member breaks away from the deblocking spare or the inner wall of second pole, the setting member can be relative first pole motion.

2. The stroller of claim 1, wherein: the positioning member is rotatably provided on the first lever.

3. The stroller of claim 2, wherein: the setting element sets up respectively the relative both sides of deblocking spare are located the setting element of the relative both sides of deblocking spare with first pole coaxial rotation connects.

4. The stroller of claim 2, wherein: be provided with first inclined plane on the unlocking piece, first inclined plane is followed first direction certainly the inside of first pole extends to the outside slope, be provided with on the setting element with first inclined plane assorted second inclined plane, work as locking mechanical system is in when locking condition, first inclined plane with the cooperation is established in the counterbalance of second inclined plane, work as when locking mechanical system is in the unblock state, first inclined plane with cooperation between the second inclined plane is thrown off.

5. The stroller of claim 2, wherein: the surface of the positioning piece, which is abutted against the inner wall of the second rod, is an arc surface.

6. The stroller of claim 1, wherein: the locating piece can be arranged on the first rod in a sliding mode, and the sliding direction of the locating piece is perpendicular to the sliding direction of the unlocking piece.

7. The stroller of claim 6, wherein: the locating piece is provided with a first plane, the unlocking piece is provided with a second plane matched with the first plane, when the locking mechanism is in a locking state, the first plane is abutted against the second plane to be matched, and when the locking mechanism is in an unlocking state, the first plane is disengaged from the second plane in a matching manner.

8. The stroller of claim 7, wherein: still be provided with on the setting element with the third inclined plane that first plane order meets, the third inclined plane is followed first direction certainly the inside of first pole is to the outside slope extension, be provided with on the unlocking piece with third inclined plane assorted fourth inclined plane, the second plane with fourth inclined plane order meets, works as when locking mechanical system is in locking condition, the third inclined plane is kept away from the fourth inclined plane, works as when locking mechanical system is in unlocking condition, the third inclined plane can with the fourth inclined plane cooperatees.

9. The stroller of claim 1, wherein: follow first pole with the length extending direction of second pole, the setting element is provided with two sets ofly at least, and every group all includes that two set up respectively the relative both sides of deblocking spare the setting element.

10. The stroller of claim 1, wherein: the second pole does the lower push rod of shallow frame, first pole does the last push rod of shallow frame, locking mechanical system is still including setting up on the second pole and can with locking piece cooperation or break away from complex locked groove, the locked groove is provided with a plurality ofly, and is a plurality of the locked groove is followed the length extending direction interval of second pole sets up, the locking piece is with different the locked groove cooperatees and makes the last push rod is in different high position department, unlocking mechanical system is still including the activity setting operating parts and both ends on the first pole set up respectively the operating parts with haulage cable on the deblocking piece.

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