Child luggage barrow

Abstract

The utility model belongs to the technical field of child luggage barrow structures, and particularly relates to a child luggage barrow which comprises a barrow body and a luggage case, the barrow body comprises a main body support and an auxiliary support, and wheels are arranged at the lower ends of the main body support and the auxiliary support; a seat is fixedly arranged on the main body bracket; hinge seats are arranged at the lower end of the luggage case; a connecting seat is arranged at the lower end of the main body bracket, a wheel rod is fixedly arranged on the connecting seat, and wheels are rotationally arranged at two ends of the wheel rod; the hinge seat can be placed on the wheel rod through the open part, and the luggage case can rotate by taking the wheel rod as a rotating shaft; the luggage case is rotated and leans against the main body bracket, and the luggage case is in a mounting state; in an installation state, the luggage case is positioned between the wheel rod and the seat; a lock catch is arranged on the luggage case, and when the luggage case is in an installation state, the lock catch is pulled, the lock catch surrounds the main body support, and the luggage case and the main body support are fixed. The utility model provides a child luggage barrow which is stable in structure.

Description

Technical Field

[0001] The utility model belongs to the technical field of children's luggage cart structures, in particular to a children's luggage cart. Background Art

[0002] In order to conveniently carry clothes and other belongings when traveling or on business trips, people invented suitcases. In the past, most suitcases were carried by hand or on the back. In order to save effort, suitcases with wheels and pull rods appeared. However, this type of suitcase is still inconvenient for passengers with young children. Therefore, the suitcase has gradually developed into a structure with a child seat on the pull rod.

[0003] At present, there are trolley cases on the market that can carry children. The suitcase can be disassembled from the trolley, and the frame composed of the trolley can be used as a carrier alone. A child seat is installed on the trolley, and a guardrail bracket is also installed on the trolley. When the child sits on the seat, the guardrail bracket can prevent the child from falling to a certain extent. For example, Chinese patent application number CN202020469715.2, a multifunctional sit-on trolley case. The suitcase has the function of convenient installation and disassembly, and the luggage cart also has certain shortcomings: its unlocking position is located on the seat. Children may misoperate when sitting on the seat. Once the child pulls out the latch and the suitcase is unlocked, it will cause the suitcase to detach during travel. Summary of the invention

[0004] The utility model aims to provide a children's luggage cart with a stable structure.

[0005] The purpose of the utility model is achieved in this way:

[0006] A children's luggage cart comprises a vehicle body and a luggage box, wherein the vehicle body comprises a main frame and an auxiliary frame, and wheels are arranged at the lower ends of the main frame and the auxiliary frame; a seat is fixedly arranged on the main frame; the auxiliary frame is rotatably arranged on the main frame or the seat and can be kept in a folded or unfolded state; an open hinged seat is arranged at the lower end of the luggage box; a connecting seat is arranged at the lower end of the main frame, a wheel rod is fixedly arranged on the connecting seat, and wheels are rotatably arranged at both ends of the wheel rod; the hinged seat can be placed on the wheel rod or the connecting seat through the open part, and the luggage box can be rotated by relying on the wheel rod or the connecting seat as a rotating shaft;

[0007] The luggage case is turned and placed against the main frame, and the luggage case is in an installed state; in the installed state, the luggage case is located between the wheel bar and the seat;

[0008] The suitcase is provided with a lock buckle. When the suitcase is in the installation state, the lock buckle is moved, and the lock buckle embraces the main frame to fix the suitcase and the main frame.

[0009] The lock buckle is provided with a safety device on the side thereof, and the safety device limits the lock buckle by means of a clamping connection; the lock buckle can be unlocked only when the safety device is opened; the safety device comprises a movable part, and an elastic body is provided on the movable part, and the elastic body drives the movable part to engage with the lock buckle.

[0010] It also includes a mounting seat, which is fixed on the suitcase, and a lock is hinged on the mounting seat; a limit seat is fixed on the mounting seat, and an elastic member and a movable member are arranged on the limit seat; a bite portion is arranged on the lock, and a clamping portion is arranged on the movable member, and the elastic member gives the clamping portion a force to connect with the bite portion; the exposed part of the movable member is pressed, the movable member moves, and the clamping portion can be separated from the bite portion.

[0011] The limit seat is provided with a through hole, and the clamping part of the lock buckle is a buckle, which can extend into the through hole and bite with the clamping part of the movable part.

[0012] The luggage box is provided with a recessed portion where the seat is located; when the luggage box is in an installed state, the seat is located in the recessed portion, and the recessed portion forms a retaining wall on the surrounding side.

[0013] The main support is provided with guardrails, which include a first guardrail and a second guardrail. The first guardrail is fixed on the main support, and the second guardrail is rotatably arranged on the first guardrail. When the second guardrail is rotated and in an unfolded state, the guardrail forms a ring shape. When the second guardrail is rotated and in a folded state, the second guardrail is attached to the inner side of the first guardrail.

[0014] The rotation of the first guardrail and the second guardrail is provided with at least one locking device, and the locking device includes a connecting piece and an elastic piece. The first guardrail is provided with a first groove, and the second guardrail is provided with a second groove. The first groove and the second groove form a chamber for accommodating the connecting piece and the elastic piece; the connecting piece is provided with external teeth on the circumference, and the first groove and the second groove are both provided with internal teeth that cooperate with the external teeth of the connecting piece. Under the action of the elastic piece, the external teeth of the connecting piece simultaneously engage with the internal teeth of the first groove and the second groove, and the first guardrail and the second guardrail cannot rotate; the connecting piece is pushed, and the external teeth of the connecting piece engage with the internal teeth of the first groove or the internal teeth of the second groove, and the first guardrail and the second guardrail can rotate.

[0015] The device comprises a pushing piece, which is clamped on the outer side of the first groove of the first guardrail. When the pushing piece is pushed, the pushing piece can extend into the first groove and push the connecting piece to move.

[0016] A handrail is fixedly arranged on the main body support, and the guardrail is detachably arranged on the handrail.

[0017] The first guardrail includes a left guardrail and a right guardrail, the left guardrail and the right guardrail have hollow chambers, the handrail is respectively inserted into the hollow chamber of the left guardrail and the hollow chamber of the right guardrail, the handrail is covered in the first guardrail, and the left guardrail and the right guardrail are fixed by a clamping piece.

[0018] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0019] 1. The hinged seat of the luggage case of the utility model rotates by relying on the wheel rod or the connecting seat as the rotating shaft. When the luggage case rotates until it is against the main frame, the luggage case is in the installation state. In the installation state, the luggage case is constrained by the seat, the wheel rod and the main frame to achieve a preliminary stable state; finally, the lock of the luggage case is embraced on the main frame and the luggage case and the main frame are fixed to each other, so as to complete the complete installation. For the user, it is only necessary to place the luggage case on the wheel rod, then push the luggage case to rotate, and finally buckle the lock; the installation steps are simple, and the opposite is the disassembly process. The connection position of the luggage case and the main frame is directly fixed and the lock is used to embrace the main frame, so that the direct connection between the two is more stable; the lock is away from the seat, and the child will not touch the lock when sitting on the seat.

[0020] 2. In order to prevent the lock from being unlocked accidentally, a safety device is provided on the side of the lock, which limits the lock by means of a clamping connection; the lock can be unlocked only when the safety device is opened.

[0021] 3. The utility model is also provided with a guardrail. When the guardrail is folded, the second guardrail is attached to the inner side of the first guardrail, so that the first guardrail and the second guardrail form a C shape together. When a child sits on the seat, the C-shaped guardrail protects the child's surroundings. Even in the folded state, the guardrail can be used normally and effectively and play a protective effect.

[0022] 4. The first guardrail of the utility model includes a left guardrail and a right guardrail, the left guardrail and the right guardrail have hollow chambers, and the handrail is inserted into the hollow chamber of the left guardrail and the hollow chamber of the right guardrail respectively. The handrail of the suitcase is used to fix the guardrail, and the handrail can be used independently when the guardrail is removed, and the handrail is hidden in the guardrail when the guardrail is installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is one of the structural schematic diagrams of the luggage trolley of the utility model in the unfolded state;

[0024] Figure 2 This is the second structural schematic diagram of the luggage trolley of the utility model in the unfolded state;

[0025] Figure 3 yes Figure 2 A schematic diagram of the enlarged structure at point A;

[0026] Figure 4 It is one of the explosion structure schematic diagrams of the utility model;

[0027] Figure 5This is the second schematic diagram of the explosion structure of the utility model;

[0028] Figure 6 This is one of the structural schematic diagrams of the luggage cart of the utility model in the folded state;

[0029] Figure 7 This is the second structural schematic diagram of the luggage cart of the utility model in the folded state;

[0030] Figure 8 It is a structural schematic diagram of the guardrail of the utility model in a folded state;

[0031] Fig. 9 It is one of the schematic diagrams of the explosion structure of the guardrail of the utility model;

[0032] Fig.10 This is the second schematic diagram of the guardrail explosion structure of the utility model;

[0033] Fig.11 This is a schematic diagram of the structure of the luggage part of the utility model

[0034] Fig.12 This is one of the structural schematic diagrams of the lock part of the utility model;

[0035] Fig.13 This is the second structural schematic diagram of the lock part of the utility model;

[0036] Fig.14 This is one of the exploded structural diagrams of the lock part of the utility model;

[0037] Fig.15 This is the second schematic diagram of the explosion structure of the lock part of the utility model.

[0038] In the figure: 1-car body; 11-main frame; 111-handle; 112-wheel rod; 113-connecting seat;

[0039] 12-auxiliary bracket; 13-seat; 14-handrail; 19-wheel; 2-trunk; 21-hinged seat; 29-blocking wall; 3-guardrail; 31-first guardrail; 311-left guardrail; 312-right guardrail; 319-first groove; 32-second guardrail; 321-second groove; 33-clamping member; 41-pushing member; 42-connecting member; 5-locking member; 51-mounting seat; 52-limiting seat; 521-perforation; 522-positioning column; 53-movable member; 531-longitudinal notch; 532-clamping part; 59-clamping member; 9-spring. DETAILED DESCRIPTION

[0040] The present invention will be further described below with reference to the accompanying drawings. Figure 1-15 As shown:

[0041] A children's luggage cart comprises a vehicle body 1 and a luggage box 2, wherein the vehicle body 1 comprises a main frame 11 and an auxiliary frame 12, wherein the lower ends of the main frame 11 and the auxiliary frame 12 are both provided with wheels 19; a seat 13 is fixedly provided on the main frame 11, and a handle 111 is provided at the end of the main frame; the auxiliary frame 12 is rotatably provided on the main frame or the seat and can be kept in a folded or unfolded state; an open hinge seat 21 is provided at the lower end of the luggage box 2; a connecting seat 113 is provided at the lower end of the main frame 11, a wheel rod 112 is fixedly provided on the connecting seat 113, and wheels 19 are rotatably provided at both ends of the wheel rod 112; the hinge seat 21 can be placed on the wheel rod 112 or the connecting seat 113 through the open part, and the luggage box 2 can rotate by leaning on the wheel rod or the connecting seat as a rotating shaft; by providing the open hinge seat 21, it is convenient for the user to align the wheel rod or the connecting seat. Through this structure, the load of the luggage box 2 is mainly borne by the wheel rod 112, and the vehicle body stability is better. The luggage case 2 is rotated and placed against the main frame 11. In this state, the luggage case is in a preliminary stable installation state. In the installation state, the luggage case is located between the wheel bar and the seat, and is constrained by the wheel bar, the seat and the main frame. The luggage case 2 is provided with a lock buckle 5. When the luggage case 2 is in the installation state, the lock buckle 5 is moved, and the lock buckle 5 is embraced on the main frame 11 to fix the luggage case 2 and the main frame 11. The lock buckle 5 acts directly on the main frame 11, so that the fitting position of the luggage case 2 and the main frame 11 is locked, and the locking effect is better. The lock buckle 5 is far away from the seat 13, and it is not easy for the user to trigger the lock buckle 5 during use.

[0042] The lock buckle 5 is provided with a safety device on the side thereof, which limits the lock buckle 5 by means of a clamping connection; the lock buckle 5 can be unlocked only when the safety device is opened; the safety device includes a movable part 53, on which an elastic body is provided, and the elastic body drives the movable part 53 to engage with the lock buckle 5. The elastic member is preferably a common part such as a spring 9 and soft rubber.

[0043] It also includes a mounting seat 51, which is fixed on the suitcase 2, and the lock buckle 5 is hinged on the mounting seat 51; a limit seat 52 is fixed on the mounting seat 51, and an elastic member and a movable member 53 are arranged on the limit seat 52; a bite portion is arranged on the lock buckle 5, and a clamping portion 532 is arranged on the movable member 53, and the elastic member gives the clamping portion 532 a force to connect with the bite portion; by pressing the exposed part of the movable member, the movable member 53 moves, and the clamping portion 532 can be separated from the bite portion.

[0044] The limit seat 52 is provided with a through hole 521, and the clamping part of the lock is a buckle 59, which can extend into the through hole 521 and engage with the clamping part 532 of the movable part. The buckle 59 is hidden by the inserted buckle 59 structure, thereby protecting the connection position and preventing the buckle 59 from being damaged.

[0045] The seat of the luggage box 2 is provided with a recessed portion; when the luggage box is in the installed state, the seat is located in the recessed portion, and the recessed portion forms a retaining wall 29 on the surrounding side. Through the formed retaining wall 29, the child's buttocks are effectively placed on the seat 13, and the child will not sit on the luggage box 2.

[0046] The main frame 11 is provided with a guardrail 3, which includes a first guardrail 31 and a second guardrail 32. The first guardrail 31 is fixed on the main frame 11, and the second guardrail 32 is rotatably arranged on the first guardrail 31; the second guardrail 32 is rotated and in an unfolded state, and the guardrail 3 forms a ring; the second guardrail 32 is rotated and in a folded state, and the second guardrail 32 is attached to the inner side of the first guardrail 31. Thus, the first guardrail 31 and the second guardrail 32 form a C shape together, and when a child sits on the seat, the C-shaped guardrail protects the child's surrounding side. Even in the folded state, the guardrail 3 can be used normally and effectively and play a protective effect. The rotation position of the first guardrail 31 and the second guardrail 32 can be set with a screw as a rotating shaft, or the first guardrail can form a sleeve and the second guardrail can form a groove with a built-in sleeve for rotational connection.

[0047] The rotation of the first guardrail 31 and the second guardrail 32 is provided with at least one locking device, that is, the two hinged positions of the first guardrail and the second guardrail can be provided with a locking device, or one hinged position can be provided with a locking device and the other position can be a common rotation connection mode. The locking device includes a connecting member 42 and an elastic member. The first guardrail 31 is provided with a first groove 319, and the second guardrail 32 is provided with a second groove 321. The first groove 319 and the second groove 321 form a chamber for accommodating the connecting member 42 and the elastic member; the connecting member 42 is provided with external teeth on the circumference, and the first groove 319 and the second groove 321 are both provided with internal teeth that cooperate with the external teeth of the connecting member. Under the action of the elastic member, the external teeth of the connecting member simultaneously mesh with the internal teeth of the first groove and the second groove, and the first guardrail and the second guardrail cannot rotate; the connecting member is pushed, and the external teeth of the connecting member mesh with the internal teeth of the first groove or the internal teeth of the second groove, and the first guardrail and the second guardrail can rotate.

[0048] The pusher 41 is clamped on the outside of the first groove 319 of the first guardrail 31. When the pusher 41 is pushed, the pusher 41 can extend into the first groove 319 and push the connector 42 to move. The pusher can be set independently, or the connector can be extended and extended out of the first guardrail for the user to push.

[0049] A handrail 14 is fixedly mounted on the main frame 11 , and the guardrail 3 is detachably mounted on the handrail 14 .

[0050] The first guardrail 31 includes a left guardrail 311 and a right guardrail 312. The left guardrail 311 and the right guardrail 312 have hollow chambers. The handrail 14 is inserted into the hollow chambers of the left guardrail and the right guardrail, respectively. The handrail 14 is covered in the first guardrail 31, and the left guardrail 311 and the right guardrail 312 are fixed together by the clamping member 33. This structure is convenient for assembly. First, the left guardrail 311 and the right guardrail 312 are inserted into the handrail 14 in sequence, and then the left guardrail 311 and the right guardrail 312 are fixed together by the clamping member 33.

[0051] The folding and unfolding of the main support and auxiliary support of the vehicle body is a relatively mature technology in this field. For specific reference, please refer to CN202020469715.2, CN201822177183.0, and CN202121274097.7. Any vehicle body folding structure on the market can be used. The core innovation of this application lies in the installation structure of the luggage box and the installation structure of the guardrail.

[0052] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A children's luggage cart, comprising a vehicle body (1) and a luggage box (2), wherein the vehicle body (1) comprises a main frame (11) and an auxiliary frame (12), and wheels (19) are arranged at the lower ends of the main frame (11) and the auxiliary frame (12); a seat (13) is fixedly arranged on the main frame (11); the auxiliary frame is rotatably arranged on the main frame or the seat and can be kept in a folded or unfolded state; the characteristics are: The lower end of the luggage case (2) is provided with an open hinge seat (21); the lower end of the main frame (11) is provided with a connecting seat (113), a wheel rod (112) is fixedly provided on the connecting seat (113), and wheels (19) are rotatably provided at both ends of the wheel rod (112); the hinge seat (21) can be placed on the wheel rod (112) or the connecting seat through the open part, and the luggage case (2) can be rotated by leaning on the wheel rod (112) or the connecting seat as a rotating shaft; The luggage case (2) is rotated and placed against the main frame (11), and the luggage case (2) is in an installed state; in the installed state, the luggage case (2) is located between the wheel bar and the seat; The suitcase (2) is provided with a lock buckle (5). When the suitcase is in an installed state, the lock buckle (5) is moved, and the lock buckle (5) embraces the main frame (11) to fix the suitcase (2) and the main frame (11).

2. The children's luggage cart according to claim 1, characterized in that: The lock buckle (5) is provided with a safety device on its side, and the safety device limits the lock buckle (5) by means of a clamping connection; the lock buckle (5) can be unlocked only when the safety device is opened; the safety device comprises a movable part (53), and an elastic body is provided on the movable part (53), and the elastic body drives the movable part (53) and the lock buckle (5) to engage with each other.

3. The children's luggage cart according to claim 2, characterized in that: The luggage case (2) further comprises a mounting seat (51), the mounting seat (51) being fixed on the luggage case (2), the lock buckle (5) being hinged on the mounting seat (51); a limit seat (52) being fixed on the mounting seat (51), the elastic member and the movable member being arranged on the limit seat (52); a bite portion being arranged on the lock buckle (5), a clamping portion (532) being arranged on the movable member (53), the elastic member giving the clamping portion a force for connecting with the bite portion; the movable member (53) is moved by pressing the exposed portion, and the clamping portion (532) can be separated from the bite portion.

4. The children's luggage cart according to claim 3, characterized in that: The limiting seat (52) is provided with a through hole (521), and the clamping portion of the lock buckle (5) is a buckle (59), which can extend into the through hole (521) and engage with the clamping portion (532) of the movable part.

5. The children's luggage cart according to claim 1, 2, 3 or 4, characterized in that: The luggage box (2) is provided with a recessed portion where the seat is located; when the luggage box (2) is in an installed state, the seat is located in the recessed portion, and the recessed portion forms a retaining wall (29) on the peripheral side.

6. The children's luggage cart according to claim 1, 2, 3 or 4, characterized in that: The main frame (11) is provided with a guardrail (3), the guardrail (3) comprising a first guardrail (31) and a second guardrail (32), the first guardrail (31) being fixed on the main frame (11), and the second guardrail (32) being rotatably arranged on the first guardrail (31); when the second guardrail (32) is rotated and in an unfolded state, the guardrail (3) forms a ring; when the second guardrail (32) is rotated and in a folded state, the second guardrail (32) is attached to the inner side of the first guardrail (31).

7. The children's luggage cart according to claim 6, characterized in that: The rotation of the first guardrail (31) and the second guardrail (32) is provided with at least one locking device, the locking device comprises a connecting member (42) and an elastic member, the first guardrail (31) is provided with a first groove (319), and the second guardrail (32) is provided with a second groove (321), the first groove (319) and the second groove (321) form a chamber for accommodating the connecting member and the elastic member; the connecting member (42) is provided with external teeth on the circumferential side, the first groove (319) and the second groove (321) are both provided with internal teeth that cooperate with the external teeth of the connecting member, under the action of the elastic member, the external teeth of the connecting member simultaneously mesh with the internal teeth of the first groove and the second groove, and the first guardrail (31) and the second guardrail (32) cannot rotate; the connecting member (42) is pushed, the external teeth of the connecting member mesh with the internal teeth of the first groove or the internal teeth of the second groove, and the first guardrail (31) and the second guardrail (32) can rotate.

8. The children's luggage cart according to claim 7, characterized in that: The pusher (41) is clamped on the outside of the first groove (319) of the first guardrail. When the pusher (41) is pushed, the pusher (41) can extend into the first groove (319) and push the connecting member (42) to move.

9. The children's luggage cart according to claim 7 or 8, characterized in that: A handrail (14) is fixedly arranged on the main body support (11), and the guardrail (3) is detachably arranged on the handrail (14).

10. The children's luggage cart according to claim 9, characterized in that: The first guardrail (31) comprises a left guardrail (311) and a right guardrail (312), the left guardrail (311) and the right guardrail (312) having a hollow chamber, the handrail (14) being respectively inserted into the hollow chamber of the left guardrail and the hollow chamber of the right guardrail, the handrail (14) being wrapped in the first guardrail (31), and the left guardrail (311) and the right guardrail (312) being fixed to each other via a clamping piece (33).

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