CN217753868U - Children's handcart folding device and children's handcart - Google Patents
Children's handcart folding device and children's handcart Download PDFInfo
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- CN217753868U CN217753868U CN202221952872.4U CN202221952872U CN217753868U CN 217753868 U CN217753868 U CN 217753868U CN 202221952872 U CN202221952872 U CN 202221952872U CN 217753868 U CN217753868 U CN 217753868U
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- connecting piece
- front wheel
- rod connecting
- seat
- telescopic rod
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Abstract
The utility model provides a children's handcart folding device and children's handcart, include: a telescopic rod connecting piece; the telescopic link connecting piece is equipped with: locking the groove; a first rotation hole; the front wheel rod connecting pieces are arranged on two sides of the telescopic rod connecting piece; the front wheel rod connecting piece is provided with: a second rotation hole; the rear wheel rod connecting pieces are arranged on two sides of the front wheel rod connecting piece and are hinged through a pivot; a locking assembly; the locking assembly includes: the lock cylinder is connected with the front wheel rod connecting piece in a sliding manner; the first elastic piece is arranged between the front wheel rod connecting piece and the lock column; the two ends of the limiting pin are respectively connected to the rear wheel rod connecting piece and penetrate through the first rotating hole and the second rotating hole; the telescopic link, the telescopic link sets up in the telescopic link connecting piece. Still relate to a children's handcart. This children's handcart folding device and children's handcart have solved the relatively more complicated technical problem of current children's handcart folding device structure.
Description
Technical Field
The utility model belongs to the technical field of the technique of children's handcart and specifically relates to a children's handcart folding device and children's handcart are related to.
Background
The child trolley is a vehicle for carrying children to go out; the folding device comprises a folding device, and a telescopic rod, a front wheel rod, a rear wheel rod and a seat which are respectively connected with the folding device; when the child stroller is used, the folding device can rotationally lock the telescopic rod, the front wheel rod and the rear wheel rod, and when the child stroller is folded, the telescopic rod can be operated to link the folding device to rotationally unlock the folding device; when the existing folding device locks the rotation, other structures are required to be additionally arranged for auxiliary matching besides the self-hinged and locking structure; for example, some of them require additional hinge structures, male and female snap structures or link structures between the wheel and rod connectors to achieve basic rotational locking, but this also increases the complexity of the structure.
In the process of implementing the embodiment, the inventor finds at least the following problems:
the existing folding device of the child handcart is relatively complex in structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a children's handcart folding device and children's handcart have solved the relatively more complicated technical problem of current children's handcart folding device structure.
The utility model discloses the scheme:
in a first aspect, the present invention provides a child stroller folding device, including: a telescopic rod connecting piece; the telescopic link connecting piece is equipped with: locking the groove; a first rotation hole; the front wheel rod connecting pieces are arranged on two sides of the telescopic rod connecting piece; the front wheel rod connecting piece is provided with: a second rotation hole; the rear wheel rod connecting pieces are arranged on two sides of the front wheel rod connecting piece, and the telescopic rod connecting piece, the front wheel rod connecting piece and the rear wheel rod connecting piece are hinged through a pivot; a locking assembly; the locking assembly includes: a lock cylinder slidably connected to the front wheel bar connection; the first elastic piece is arranged between the front wheel rod connecting piece and the lock column and used for enabling the lock column to automatically slide into the lock groove to be locked in a rotating mode; the two ends of the limiting pin are respectively connected with the rear wheel rod connecting piece and penetrate through the first rotating hole and the second rotating hole, the limiting pin is used for limiting the rotating angle of the telescopic rod connecting piece and the front wheel rod connecting piece relative to the rear wheel rod connecting piece during rotation unlocking, and is used for performing bidirectional rotation limiting on the rear wheel rod connecting piece during rotation locking; the telescopic link, the outer pole of telescopic link set up in telescopic link connecting piece, and its interior pole is relative the lock post can move, is used for during folding with the lock post pushes away from the locked groove rotates the unblock.
Further, the front wheel rod connecting piece is provided with: the mounting groove, the telescopic link connecting piece set up in the mounting groove.
Further, the front wheel rod connecting piece is also provided with: the folding groove, the folding groove with the mounting groove intercommunication is used for holding during folding the telescopic link connecting piece.
Further, the locking assembly further comprises: the sliding block is connected to the lower end of the outer rod in a sliding mode and can move relative to the lock cylinder; and the second elastic piece is connected between the sliding block and the telescopic rod connecting piece and used for automatically resetting the sliding block after being rotated and unlocked.
Has the advantages that:
the utility model provides a folding device of a children handcart, wherein, a telescopic rod connecting piece, a front wheel rod connecting piece and a rear wheel rod connecting piece are sequentially arranged from the middle to two sides, and the three can be hinged by a single shaft; and, the telescopic link connecting piece and the preceding wheel pole connecting piece between the two through the cooperation of lock post with the locked groove, can realize both rotation locking, simultaneously, through the cooperation in spacer pin and two rotation holes, can realize the rotation locking of two commentaries on classics pore pair rear wheel pole connecting pieces, compare with current structure, even do not increase unsmooth limit structure or connecting rod structure between the wheel pole connecting piece and also can realize basic rotation locking, the structure is relatively fairly simple.
In a second aspect, the present invention also provides a stroller, comprising: the folding device of the baby trolley; the front wheel rod is arranged on the front wheel rod connecting piece; the rear wheel rod is arranged on the rear wheel rod connecting piece; a seat connected at least to the front wheel bar connection.
Further, the method also comprises the following steps: the sliding sleeve is sleeved on the front wheel rod in a sliding manner; the two ends of the first connecting rod are respectively hinged to a front bottom of the seat and the sliding sleeve, and a rear bottom of the seat is hinged to the front wheel rod connecting piece; and two ends of the second connecting rod are respectively hinged to the sliding sleeve and the rear wheel rod.
Further, the seat further comprises: a seat connected to at least the front wheel bar connection; a chair back; the chair back includes: the connecting part is connected with the chair seat; the leaning part is vertically and slidably connected to the connecting part; the first limiting structure is arranged between the connecting part and the leaning part and used for limiting the leaning part.
Further, the leaning part is provided with: the connecting part is partially accommodated in the accommodating groove, and the first limiting structure adopts a concave-convex limiting structure and is correspondingly arranged on the accommodating groove and the side wall of the connecting part respectively.
Further, the seat further comprises: the awning connecting piece is vertically movably arranged on the seat and used for adjusting the height; and the second limiting structure is arranged between the awning connecting piece and the seat and used for limiting the awning connecting piece.
Furthermore, the second limiting structure adopts an adjusting groove plate, and the adjusting groove plate is arranged on the seat; the lateral surface of adjusting the frid is equipped with: an adjustment groove; the sunshade connecting piece is equipped with: a chute; the tank bottom of spout is equipped with: an elastic convex buckle; the adjusting groove plate is connected with the sliding groove in a sliding mode, and the elastic convex buckle is limited in the adjusting groove.
Has the advantages that:
the utility model also provides a children's handcart, including foretell children's handcart folding device, from this, effect and advantage that this children's handcart has include the effect and the advantage that children's handcart folding device has equally, and no longer give unnecessary details here.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view showing a state transition of a part of the structure of the child stroller of the embodiment;
fig. 2 is a partial structural schematic view of the child stroller provided in this embodiment;
FIG. 3 is a schematic view of the folding device of the stroller of this embodiment;
FIG. 4 is a top view of the child stroller folding device provided in this embodiment;
FIG. 5 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a partially exploded perspective view of the child stroller folding apparatus provided in accordance with this embodiment;
FIG. 7 is a schematic structural view of a front wheel bar coupler according to this embodiment;
FIG. 8 is a schematic view of a child stroller folding apparatus according to this embodiment in a partially constructed and inverted position with the left half of the rear wheel bar linkage removed;
fig. 9 is a schematic structural view of the seat provided in this embodiment from a front view;
fig. 10 is a schematic structural view of a seat provided in this embodiment, which is seen from a back side;
FIG. 11 is a partially disassembled schematic view of a seat provided in accordance with the present embodiment;
FIG. 12 is a partially disassembled schematic view of a seat provided in accordance with the present embodiment;
fig. 13 is a schematic view of the awning connector according to the embodiment from the mounted state to the detached state.
Icon:
100-telescopic rod connecting piece; 110-a lock groove; 120-a first rotation aperture;
200-front wheel bar connection; 210-a second rotation hole; 220-mounting grooves; 230-a folding slot;
300-rear wheel bar connection;
400-a locking assembly; 410-a lock cylinder; 420-a first resilient member; 430-a spacing pin; 440-a slider; 450-a second resilient member;
500-telescopic rod; 510-an outer rod; 520-inner rod;
600-front wheel bar;
700-rear wheel lever;
800-a seat; 810-a seat; 820-chair back; 821-a connecting part; 822-a reclining part; 8221-holding tank; 823-concave-convex limit structure; 830-awning attachment; 831-chute; 832-elastic convex button; 840-adjusting the groove plate; 841-adjusting tank;
900-sliding sleeve;
1000-a first link;
1100-second link.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Some embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
The present embodiment provides a folding device for a stroller, as shown in fig. 1-13, comprising: a telescopic rod connection member 100; the telescopic link connecting member 100 is provided with: a locking groove 110; a first rotation hole 120; the front wheel rod connecting piece 200, the front wheel rod connecting piece 200 is arranged at two sides of the telescopic rod connecting piece 100; the front wheel lever connecting member 200 is provided with: a second rotation hole 210; the rear wheel bar connecting piece 300 is arranged at two sides of the front wheel bar connecting piece 200, and the telescopic rod connecting piece 100, the front wheel bar connecting piece 200 and the rear wheel bar connecting piece 300 are hinged through pivots; a locking assembly 400; the locking assembly 400 includes: a lock cylinder 410, the lock cylinder 410 being slidably connected to the front wheel bar coupler 200; a first elastic member 420, wherein the first elastic member 420 is disposed between the front wheel bar coupler 200 and the lock cylinder 410, and is used for automatically sliding the lock cylinder 410 into the lock slot 110 for rotational locking; the two ends of the limit pin 430 are respectively connected to the rear wheel rod connecting piece 300 and penetrate through the first rotating hole 120 and the second rotating hole 210, the limit pin is used for limiting the rotation angle of the connection of the telescopic rod connecting piece 100 and the front wheel rod 600 relative to the rear wheel rod connecting piece 300 during rotation unlocking, and is used for performing bidirectional rotation limiting on the rear wheel rod connecting piece 300 during rotation locking; the retractable rod 500, the outer rod 510 of the retractable rod 500 is disposed on the retractable rod connector 100, and the inner rod 520 thereof is movable relative to the lock cylinder 410, and is used to push the lock cylinder 410 away from the lock slot 110 for unlocking by rotation when folded.
Specifically, the connecting parts 821 of the telescopic rod connecting piece 100, the front wheel rod connecting piece 200 and the rear wheel rod connecting piece 300 are sequentially arranged from the middle to two sides, and meanwhile, the connecting parts of the three are hinged together through pivots; the lock cylinder 410 is slidably connected to the front wheel rod connector 200, and can automatically slide into the lock groove 110 through the first elastic member 420 to realize the rotational locking of the front wheel rod connector 200 and the telescopic rod connector 100, meanwhile, the hinged parts of the telescopic rod connector 100 and the front wheel rod connector 200 are respectively provided with a first rotating hole and a second rotating hole 210, and the limiting pin 430 penetrates through the two holes while the two ends thereof are connected to the rear wheel rod connector 300; when the bicycle is rotated and unlocked, the bicycle and the bicycle can be respectively rotated to the direction close to the rear wheel rod connecting piece 300 until one extreme end of each hole is respectively abutted against the limiting pin 430, so that the bicycle is rotated and folded; reversible, both can be respectively to the direction of keeping away from rear wheel pole connecting piece 300 by fold condition, rotate to the other extreme in two holes and respectively butt spacer pin 430, then lock through lock post 410, and at this moment (when rotating the locking), spacer pin 430 and rear wheel pole connecting piece 300 can not rotate relatively both.
In this embodiment, the front wheel lever connecting member 200 is provided with: the telescopic rod connecting piece 100 is arranged in the mounting groove 220.
Specifically, adopt telescopic link connecting piece 100 to set up in the structure of front wheel pole connecting piece 200 mounting groove 220, for above-mentioned three coaxial articulated with above-mentioned both rotate the locking provide the structural basis, simultaneously, play certain spacing effect of rotation to front wheel pole connecting piece 200 and rear wheel pole connecting piece 300.
In this embodiment, the front wheel bar connecting member 200 is further provided with: a folding groove 230, the folding groove 230 being in communication with the mounting groove 220 for accommodating the telescopic rod connecting member 100 when folded.
Specifically, the mounting groove 220 is communicated with the folding groove 230, and the two grooves form a structure matched with the structure of the telescopic rod connector 100, so that the telescopic rod connector 100 can be accommodated to reduce the accommodating space when being folded.
In this embodiment, the locking assembly 400 further comprises: a slider 440, the slider 440 being slidably coupled to a lower end of the outer rod 510 and being movable with respect to the lock cylinder 410; a second elastic member 450, the second elastic member 450 being connected between the slider 440 and the telescopic link connecting member 100 for automatically restoring the slider 440 after being rotated and unlocked.
Specifically, the sliding block 440 may be slidably engaged with a pin penetrating through the telescopic rod connector 100 and the outer rod 510 through a sliding hole thereof, so that the sliding block 440 is slidably connected inside the lower end of the outer rod 510 and can slide along the outer rod 510 relative to the lock cylinder 410, the inner rod 520 of the telescopic rod 500 may be unlocked by pushing the sliding block 440 to push away from the lock cylinder 410, and the second elastic member 450 may automatically reset the sliding block 440 after unlocking.
The utility model also provides a children's handcart, include: the folding device of the baby trolley; a front wheel lever 600, the front wheel lever 600 being mounted to the front wheel lever connection member 200; a rear wheel bar 700, the rear wheel bar 700 being mounted to the rear wheel bar connection member 300; a seat 800, the seat 800 being connected to at least the front wheel bar connection 200.
Alternatively, the front wheel bar coupler 200 may be independently mounted to the seat 800 by providing a female mounting structure (such structure is not shown in the figures); the front wheel bar linkage 200 may also be hinged to the rear bottom of the seat 800 by the provision of hinge ears.
In this embodiment, the method further includes: a sliding sleeve 900, wherein the sliding sleeve 900 is slidably sleeved on the front wheel rod 600; two ends of the first link 1000 are respectively hinged to a front bottom of the seat 800 and the sliding sleeve 900, and a rear bottom of the seat 800 is hinged to the front wheel rod connecting piece 200; and the second link 1100, both ends of the second link 1100 are respectively hinged to the sliding sleeve 900 and the rear wheel bar 700.
Specifically, the seat 800 adopts a hinged mounting structure, so that the seat is convenient to fold and store; meanwhile, the second connecting rod 1100 is hinged and matched with the rear wheel rod connecting piece 300 and the sliding sleeve 900, so that the seat 800 is locked in rotation, and meanwhile, the limiting strength between the front wheel rod 700 and the rear wheel rod 700 is increased when the handcart is in a use state.
In this embodiment, the seat 800 further includes: a seat 810, the seat 810 being connected to at least the front wheel bar linkage 200; a chair back 820; the chair back 820 includes: a connection part 821, the connection part 821 is connected with the chair seat 810; the rest part 822, the rest part 822 is vertically slidably connected to the connecting part 821; the first limiting structure is arranged between the connecting portion 821 and the leaning portion 822 and used for limiting the leaning portion 822.
Specifically, the seat 810 refers to a sitting portion, two ends of the rear portion of the seat are hinged to two ends of the bottom of the connecting portion 821, and the leaning portion 822 is vertically and slidably mounted on the connecting portion 821 and used for adjusting the height of the leaning portion 822; wherein, the sliding can be realized by the structure of the guide post guide sleeve or the slide rail slider 440 (the latter structure is not shown in the drawing); for example, a guide post is installed in the guide groove of the connecting portion 821, and the rest portion 822 is vertically slidably connected to the guide post and the guide groove through a guide sleeve.
In this embodiment, the leaning portion 822 is provided with: holding tank 8221, connecting portion 821 part hold in holding tank 8221, and first limit structure adopts unsmooth limit structure 823, and corresponds the lateral wall that sets up in holding tank 8221 and connecting portion 821 respectively.
Alternatively, the first limit structure may adopt a concave-convex matched limit structure, or a structure that an elastic pull pin is matched with the adjusting groove 841 (such a structure is not shown in the drawing); for the structure with concave-convex matching, a matching structure of a protrusion and a groove can be adopted, for example, the protrusion can be arranged on the side wall of the connecting part 821, and meanwhile, the grooves are vertically arranged on the side wall of the accommodating groove 8221 at intervals correspondingly, when the protrusion slides into the groove, a certain degree of blocking limit can be formed, and at the moment, the protrusion can overcome the blocking of the groove by increasing the adjusting force to be continuously adjusted to a proper height; to the latter kind of structure, can set up a plurality of adjustment tank 841 in the vertical sequencing of holding tank 8221, then install elasticity pull pin in connecting portion 821, during the use, elasticity pull pin accessible elasticity is automatic spacing to remove the locking in an adjustment tank 841, during the regulation, draws the elasticity pull pin unblock, then adjusts the back height and unclamps elasticity pull pin, can realize adjustment and automatic locking.
In this embodiment, the seat 800 further includes: a canopy link 830, the canopy link 830 being vertically movably provided to the seat 800 for height adjustment; a second limiting structure disposed between the canopy connector 830 and the seat 800 for limiting the canopy connector 830.
In this embodiment, the second limiting structure adopts an adjusting groove plate 840, and the adjusting groove plate 840 is disposed on the seat 800; the outer side surface of the adjusting groove plate 840 is provided with: an adjustment tank 841; the awning connector 830 is provided with: a chute 831; the bottom of the chute 831 is provided with: an elastic male buckle 832; the adjusting groove plate 840 is slidably connected to the sliding groove 831, and the elastic buckle 832 is limited in the adjusting groove 841.
Specifically, the sliding groove 831 of the awning connecting member 830 is substantially C-shaped, and the two sides of the outer wall of the adjusting groove plate 840 of the seat 800 are provided with convex edges, and the sliding groove 831 is connected with the convex edges in a sliding manner; in addition, the adjustable locking of the canopy link 830 is achieved by the positive engagement of the resilient tab 832 with the adjustment slot 841, and likewise, continued adjustment to the appropriate height can be achieved by increasing the adjustment force against the stop of the adjustment slot 841.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A child stroller folding apparatus, comprising:
a telescopic rod connecting piece (100); the telescopic rod connecting piece (100) is provided with:
a lock groove (110);
a first rotation hole (120);
the front wheel rod connecting piece (200), the front wheel rod connecting piece (200) is arranged on two sides of the telescopic rod connecting piece (100); the front wheel rod connecting piece (200) is provided with:
a second rotation hole (210);
the rear wheel rod connecting piece (300) is arranged on two sides of the front wheel rod connecting piece (200), and the telescopic rod connecting piece (100), the front wheel rod connecting piece (200) and the rear wheel rod connecting piece (300) are hinged through a pivot;
a locking assembly (400); the locking assembly (400) comprises:
a lock cylinder (410), said lock cylinder (410) slidably connected to said front wheel bar connection (200);
the first elastic piece (420) is arranged between the front wheel rod connecting piece (200) and the lock cylinder (410), and is used for enabling the lock cylinder (410) to automatically slide into the lock groove (110) to be rotationally locked;
the two ends of the limiting pin (430) are respectively connected to the rear wheel rod connecting piece (300) and penetrate through the first rotating hole (120) and the second rotating hole (210), the limiting pin is used for limiting the angle of the telescopic rod connecting piece (100) and the front wheel rod (600) which are connected and rotate relative to the rear wheel rod connecting piece (300) during rotation unlocking, and the limiting pin is used for performing bidirectional rotation limiting on the rear wheel rod connecting piece (300) during rotation locking;
the telescopic rod (500) is characterized in that an outer rod (510) of the telescopic rod (500) is arranged on the telescopic rod connecting piece (100), an inner rod (520) of the telescopic rod is movable relative to the lock cylinder (410), and the telescopic rod is used for pushing the lock cylinder (410) away from the lock groove (110) to be rotated and unlocked when being folded.
2. A child trolley folding device according to claim 1, characterized in that the front wheel bar connection (200) is provided with:
the telescopic rod connecting piece (100) is arranged in the mounting groove (220).
3. A child trolley folding device, according to claim 2, characterized in that said front wheel bar connection (200) is further provided with:
a folding slot (230), the folding slot (230) being in communication with the mounting slot (220) for receiving the telescopic rod connector (100) when folded.
4. A child trolley folding device according to claim 1, characterized in that the locking assembly (400) further comprises:
a slider (440), said slider (440) being slidably connected to the lower end of said outer rod (510) and being movable relative to said lock cylinder (410);
the second elastic piece (450), the second elastic piece (450) is connected between the sliding block (440) and the telescopic rod connecting piece (100), and is used for enabling the sliding block (440) to automatically reset after being rotated and unlocked.
5. A child stroller, comprising:
the child stroller folding device of any one of claims 1-4;
a front wheel lever (600), the front wheel lever (600) being mounted to the front wheel lever connection member (200);
a rear wheel bar (700), the rear wheel bar (700) being mounted to the rear wheel bar connection (300);
a seat (800), said seat (800) being connected to at least said front wheel bar connection (200).
6. A child stroller in accordance with claim 5, further comprising:
the sliding sleeve (900), the said sliding sleeve (900) is slipped and fitted to the said front wheel lever (600);
the two ends of the first connecting rod (1000) are respectively hinged to a front bottom of the seat (800) and the sliding sleeve (900), and a rear bottom of the seat (800) is hinged to the front wheel rod connecting piece (200);
and two ends of the second connecting rod (1100) are respectively hinged to the sliding sleeve (900) and the rear wheel rod (700).
7. A child trolley according to claim 5, characterized in that the seat (800) further comprises:
a seat (810), the seat (810) connected to at least the front wheel bar connection (200);
a chair back (820); the chair back (820) comprises:
a connecting part (821), wherein the connecting part (821) is connected to the chair seat (810);
a rest part (822), wherein the rest part (822) is vertically connected with the connecting part (821) in a sliding manner;
the first limiting structure is arranged between the connecting part (821) and the leaning part (822) and used for limiting the leaning part (822).
8. A child trolley as claimed in claim 7, characterized in that the resting portion (822) is provided with:
the connecting portion (821) is partially accommodated in the accommodating groove (8221), the first limiting structure adopts a concave-convex limiting structure (823), and the first limiting structure is correspondingly arranged on the accommodating groove (8221) and the side wall of the connecting portion (821) respectively.
9. A child trolley according to claim 5, characterized in that the seat (800) further comprises:
a canopy connection member (830), the canopy connection member (830) being vertically movably provided to the seat (800) for height adjustment;
the second limiting structure is arranged between the awning connecting piece (830) and the seat (800) and used for limiting the awning connecting piece (830).
10. A child stroller according to claim 9, wherein the second limiting structure is an adjustment groove plate (840), the adjustment groove plate (840) being provided to the seat (800); the outer side surface of the adjusting groove plate (840) is provided with:
an adjustment tank (841); the awning connecting piece (830) is provided with:
a chute (831); the groove bottom of the sliding groove (831) is provided with:
an elastic male buckle (832); adjusting groove board (840) sliding connection in spout (831), elasticity protruding knot (832) are spacing in adjusting groove (841).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221952872.4U CN217753868U (en) | 2022-07-27 | 2022-07-27 | Children's handcart folding device and children's handcart |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221952872.4U CN217753868U (en) | 2022-07-27 | 2022-07-27 | Children's handcart folding device and children's handcart |
Publications (1)
Publication Number | Publication Date |
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CN217753868U true CN217753868U (en) | 2022-11-08 |
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Application Number | Title | Priority Date | Filing Date |
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CN202221952872.4U Active CN217753868U (en) | 2022-07-27 | 2022-07-27 | Children's handcart folding device and children's handcart |
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CN (1) | CN217753868U (en) |
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2022
- 2022-07-27 CN CN202221952872.4U patent/CN217753868U/en active Active
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