A six-wheeled suitcase

Abstract

The utility model belongs to the field of luggage, especially relates to a six-wheel luggage, including detachable support frame and storage box, the storage box upper end is provided with the cushion and draw bar, and the cushion rear side swingly provided with the backrest that can overturn folding to the storage box, the storage box bottom is provided with at least four groups first support wheel, at least two groups first support wheel set in the storage box lower end front part, the support frame rotation setting is in the storage box front side, and the support frame bottom is provided with second support wheel, when the support frame and the storage box are relatively unfolded, the support frame, the storage box and the ground can be triangular distribution, and the first support wheel and the second support wheel of the storage box lower end front part can support the six-wheel luggage together, when the support frame is folded to the storage box and makes the storage box vertical placement, the storage box can be supported only through the first support wheel, the utility model discloses the purpose lies in providing a six-wheel luggage that is convenient for user to use flexibly.

Description

Technical Field

[0001] This utility model belongs to the field of luggage technology, and specifically relates to a six-wheeled luggage. Background Technology

[0002] A suitcase, also known as a travel case or rolling suitcase, is a box used to carry belongings when traveling; it is a type of luggage.

[0003] To facilitate carrying children in suitcases, some suitcases have a rotating support frame on the front. For example, Chinese Utility Model Patent CN 202421630185.X discloses a suitcase with a foldable backrest, which includes a suitcase body and a support frame. The suitcase body is mounted on the support frame, and a seat assembly is connected to the support frame. The seat assembly includes a seat body, a backrest panel, and a seat plate. The top of the seat body is recessed inward to form a storage cavity. One end of the seat plate is rotatably connected to the front end of the seat body, and the other end of the seat plate is a free end that can be opened and closed and can be closed over the storage cavity. One end of the backrest panel is rotatably connected to the rear end of the seat body, and the other end of the backrest panel is a free end that can be opened and closed and can be rotated relative to the seat body to an unfolded or folded state. The support frame also includes a front stand that can be unfolded or folded relative to the suitcase body. The lower end of the front stand is equipped with casters, and the bottom of the suitcase body is equipped with wheels.

[0004] As can be seen from the attached diagram in the instruction manual, the above structure only has two wheels on the suitcase. During the movement of the suitcase, both casters and wheels are needed for support, or the suitcase can be tilted and only the two wheels are used for support. Users cannot push the suitcase horizontally, which makes it inconvenient to use the suitcase flexibly. Summary of the Invention

[0005] In order to overcome the shortcomings of the prior art, the purpose of this utility model is to provide a six-wheeled suitcase that is convenient and flexible for users.

[0006] The purpose of this utility model is achieved as follows: A six-wheeled suitcase includes a detachably connected support frame and a storage box. The storage box has a seat and a pull rod at its upper end, and a backrest that can be folded and flipped towards the storage box is movably installed on the rear side of the seat. The storage box has at least four sets of first support wheels at its bottom, with at least two sets of first support wheels located at the lower front of the storage box. The support frame is rotatably mounted on the front side of the storage box, and a second support wheel is located at its bottom. When the support frame and the storage box are unfolded relative to each other, the support frame, the storage box, and the ground can be arranged in a triangular pattern. The first and second support wheels at the lower front of the storage box can jointly support the six-wheeled suitcase. When the support frame is folded towards the storage box and the storage box is placed vertically, the storage box can be supported only by the first support wheels.

[0007] The present invention is further configured such that: a safety belt and a connecting buckle are provided between the backrest and the seat cushion, and the safety belt is provided with a connecting buckle that can be detachably connected to the connecting buckle.

[0008] The present invention is further configured such that: the support frame includes two wheel frames connected by a connecting rod, and each wheel frame is provided with a second support wheel and a hinge seat; the storage box is provided with a connecting seat; the two hinge seats are respectively provided on both sides of the connecting seat and are rotatably connected to the connecting seat; the connecting seat is provided with an elastic element and two snap-fit ​​elements; each of the two hinge seats is provided with a slot; the elastic element can drive the snap-fit ​​elements to engage with the slots on the two hinge seats respectively, thereby fixing the support frame and the storage box relatively; external force can control the two snap-fit ​​elements to disengage from the slots respectively, thereby allowing the support frame and the storage box to rotate relative to each other.

[0009] The present invention is further configured such that: the connecting seat is provided with mounting holes penetrating both sides of the connecting seat, two snap-fit ​​members are slidably disposed in the mounting holes respectively, an elastic member is disposed between the two snap-fit ​​members, and a control port is provided on the side wall of the mounting hole, and a control part corresponding to the control port is provided on the snap-fit ​​member, and the movement of the snap-fit ​​member can be controlled by the control part.

[0010] The present invention is further configured such that: the control part is a groove provided on the side wall of the snap-fit ​​component, the groove is housed in the mounting hole, and the grooves on the two snap-fit ​​components are located inside the same control port, two fingers can be inserted into the grooves on the two snap-fit ​​components respectively and control the movement of the two snap-fit ​​components at the same time; limit walls are provided at both ends of the mounting hole, and the snap-fit ​​component is provided with a clamping wall adapted to the limit wall, and controlling the clamping wall to abut against the limit wall can disengage the snap-fit ​​component from the slot.

[0011] The present invention is further configured such that: the two snap-fit ​​members are a first snap-fit ​​member and a second snap-fit ​​member, the elastic member is disposed between the first snap-fit ​​member and the second snap-fit ​​member, and the first snap-fit ​​member extends toward the second snap-fit ​​member to form a blocking part, the blocking part is disposed inside the control port and extends to the side of the second snap-fit ​​member, so that the blocking part can block the elastic member and hide the elastic member.

[0012] The present invention is further configured such that: the hinge seat is provided with two sets of slots, and the locking member cooperates with the two sets of slots to keep the support frame and the storage box in an unfolded state and a folded state. The hinge seat is provided with a limiting protrusion, and the connecting seat is provided with a limiting swing groove adapted to the limiting protrusion. When the limiting protrusion abuts against the two ends of the limiting swing groove, the locking member moves to the ends of the two sets of slots respectively.

[0013] The present invention is further configured such that: a fixed groove is provided at the upper end of the storage box, the seat cushion is fixedly provided at the bottom of the fixed groove, and the lower end of the backrest is rotatably provided in the fixed groove, the backrest can abut against the side wall of the fixed groove and the backrest and the seat cushion can be stably unfolded.

[0014] The present invention is further configured such that: the storage box includes a detachably connected box body and a connecting seat, the seat cushion is integrally set on the connecting seat, and a reinforcing rod is provided on the connecting seat; the box body is provided with a fixing groove adapted to the reinforcing rod; and the pull rod is slidably set in the reinforcing rod.

[0015] The present invention is further configured such that the first support wheels are all omnidirectional wheels. The advantages of this utility model compared to the prior art are: The bottom of this utility model is provided with at least four sets of first support wheels. When the storage box is placed vertically, the four sets of first support wheels can support the storage box. The user can push the six-wheeled luggage horizontally to move it. The six-wheeled luggage can also control the tilt of the storage box and make it tilted only by the first support wheels at the front of the lower end of the storage box. The six-wheeled luggage can also be supported by the first support wheels and second support wheels at the front of the lower end of the storage box. This structure makes it convenient for users to use the six-wheeled luggage flexibly as needed.

[0016] The safety belt and connecting buckle in this invention help protect children and prevent them from falling off the suitcase during use, thus improving the safety of the suitcase. Since the first support wheels are all omnidirectional wheels, the suitcase can be turned flexibly, making it convenient for users.

[0017] The two hinge seats and two snap-fit ​​parts in this utility model facilitate a stable connection between the support frame and the storage box, improve the connection strength between the support frame and the storage box, prevent damage to the snap-fit ​​parts during use, and extend the service life of the suitcase. The mounting hole structure that runs through both sides of the connecting seat is simple, and the two snap-fit ​​parts in this structure can share a single elastic element, which is convenient for production and assembly.

[0018] In this invention, the control unit is a groove located on the side wall of the latching component. This structure reduces the probability of accidental contact with the latching component during use and prevents the latching component from accidentally detaching from the slot, thus improving the safety of the suitcase. The cover prevents debris from entering the mounting hole through the control port, facilitating the concealment of the elastic element and making it convenient for the user. The two sets of slots allow the support frame and storage box to maintain their unfolded and folded states, while the limiting groove and limiting protrusion facilitate quick connection between the slot and the latching component, making it convenient for the user.

[0019] The fixed groove in this invention not only facilitates the stable installation of the seat cushion but also promotes its stable unfolding, making it convenient for users. The integrated design of the seat cushion and connecting base reduces the number of luggage parts, facilitating rapid assembly and production. The reinforcing rod and fixed groove improve the stability of the connecting base installation and facilitate the installation of the pull rod. Furthermore, this structure can distribute the stress on the storage box, preventing damage due to stress concentration and extending the service life of the luggage. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a diagram showing the usage state of this utility model; Figure 3 This is an exploded view of the present invention; Figure 4 This is a schematic diagram of the structure of the box in this utility model; Figure 5 This is a schematic diagram of the support frame in this utility model; Figure 6 This is a structural schematic diagram of the connecting seat and the cushion in this utility model; Figure 7 This is a schematic diagram of the structure of the first snap-fit ​​component in this utility model; Figure 8 This is a schematic diagram of the structure of the second snap-fit ​​component in this utility model.

[0021] The labels in the diagram mean: 1-box body; 11-first support wheel; 12-fixing groove; 13-fixing slot; 2-support frame; 21-Second support wheel; 22-Wheel frame; 23-Connecting rod; 24-Slot; 25-Limiting protrusion; 26-Hinge seat; 3-Pull rod; 31-Grip bar; 4-Seat cushion; 41-Connector; 42-Reinforcing rod; 411-Mounting hole; 412-Limiting wall; 413-Control port; 414-Limiting swing groove; 421-Sliding groove; 5-Backrest; 6-Safety belt; 7-Connecting buckle; 8-First locking component; 81-Second locking component; 82-Control unit; 83-Securing wall; 84-Snap-fit ​​part; 85-Spring groove; 9-Elastic element. Detailed Implementation

[0022] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: See Figures 1 to 8As shown, a six-wheeled suitcase includes a detachably connected support frame 2 and a storage box. The upper end of the storage box is provided with a seat cushion 4 and a pull rod 3, and the backrest 5, which can be flipped and folded towards the storage box, is movably provided on the rear side of the seat cushion 4. The bottom of the storage box is provided with at least four sets of first support wheels 11, and at least two sets of first support wheels 11 are provided at the lower front of the storage box. The support frame 2 is rotatably provided on the front side of the storage box, and the bottom of the support frame 2 is provided with second support wheels 21. When the support frame 2 and the storage box are unfolded relative to each other, the support frame 2, the storage box, and the ground can be arranged in a triangle. The first support wheels 11 and the second support wheels 21 at the lower front of the storage box can jointly support the six-wheeled suitcase. When the control support frame 2 folds and closes towards the storage box, and the storage box is placed vertically, the storage box can be supported only by the first support wheels 11. In this structure, at least four sets of first support wheels 11 are provided at the bottom. When the storage box is placed vertically, the four sets of first support wheels 11 can support the storage box. The user can push the six-wheeled luggage horizontally to move it. The six-wheeled luggage can also control the storage box to tilt and be supported only by the first support wheels 11 at the front of the lower end of the storage box. The six-wheeled luggage can also be supported by the first support wheels 11 and the second support wheels 21 at the front of the lower end of the storage box. This structure allows the user to use the six-wheeled luggage flexibly as needed, making it convenient for the user.

[0023] The present invention is further configured such that: the support frame 2 includes two wheel frames 22, which are connected by a connecting rod 23, and each of the two wheel frames 22 is provided with a second support wheel 21 and a hinge seat 26. The storage box is provided with a connecting seat 41, and the two hinge seats 26 are respectively provided on both sides of the connecting seat 41 and are rotatably connected to the connecting seat 41. The connecting seat 41 is provided with an elastic element 9 and two snap-fit ​​elements. Each of the two hinge seats 26 is provided with a slot 24. The elastic element 9 can drive the snap-fit ​​elements to cooperate with the slots 24 on the two hinge seats 26 respectively, so that the support frame 2 and the storage box are relatively fixed. External force can control the two snap-fit ​​elements to disengage from the slots 24 respectively, so that the support frame 2 and the storage box can rotate relative to each other. The arrangement of the two hinge seats 26 and the two snap-fit ​​elements is conducive to the stable connection between the support frame 2 and the storage box, and is conducive to improving the connection strength between the support frame 2 and the storage box, avoiding damage to the snap-fit ​​elements during use, and extending the service life of the suitcase.

[0024] The connecting seat 41 is provided with mounting holes 411 penetrating both sides of the connecting seat 41. Two snap-fit ​​members are slidably disposed in the mounting holes 411 respectively. The elastic element 9 is disposed between the two snap-fit ​​members. A control port 413 is provided on the side wall of the mounting hole 411. A control part 82 corresponding to the control port 413 is provided on the snap-fit ​​member. The movement of the snap-fit ​​member can be controlled by the control part 82. The mounting holes 411 penetrating both sides of the connecting seat 41 have a simple structure and are easy to produce. In addition, the two snap-fit ​​members in this structure can share a single elastic element 9, which is convenient for production and assembly.

[0025] In this embodiment, the control unit 82 is a groove provided on the side wall of the latching component. The groove is housed in the mounting hole 411, and the grooves on the two latching components are located inside the same control port 413. Two fingers can be inserted into the grooves on the two latching components respectively and control the movement of the two latching components at the same time. This structure can reduce the probability of accidental contact of the latching components during use and prevent the latching components from accidentally disengaging from the slot 24 during use, which is beneficial to improving the safety of the suitcase.

[0026] Preferably, limiting walls 412 are provided at both ends of the mounting hole 411, and a clamping wall 83 adapted to the limiting wall 412 is provided on the snap-fit. By controlling the clamping wall 83 to abut against the limiting wall 412, the snap-fit ​​can be disengaged from the snap-fit ​​groove 24. The setting of the limiting wall 412 and the clamping wall 83 is conducive to the disengagement of both snap-fits from the snap-fit ​​groove 24, and avoids the two snap-fits from deflecting towards one end of the mounting hole 411 during use and affecting the disengagement of the snap-fit ​​from the snap-fit ​​groove 24. This makes it convenient for the user to control the relative rotation of the support frame 2 and the storage box.

[0027] The two latching components are a first latching component 8 and a second latching component 81, respectively. The elastic element 9 is disposed between the first latching component 8 and the second latching component 81, and the first latching component 8 extends toward the second latching component 81 to form a blocking part. The blocking part is disposed inside the control port 413 and extends to the side of the second latching component 81, so that the blocking part can block the elastic element 9 and hide the elastic element 9. The setting of the blocking part can prevent debris from entering the mounting hole 411 through the control port 413, which is conducive to the hiding of the elastic element 9 and makes it convenient for users to use.

[0028] In this embodiment, both the first snap-fit ​​member 8 and the second snap-fit ​​member 81 are provided with snap-fit ​​parts 84 that are adapted to the snap-fit ​​slot 24, and the first snap-fit ​​member 8 and the second snap-fit ​​member 81 are provided with spring grooves 85 or protrusions, and the two ends of the elastic member 9 are connected to the spring grooves 85 or protrusions.

[0029] The hinge seat 26 described in this utility model is provided with two sets of slots 24. The locking member cooperates with the two sets of slots 24 to keep the support frame 2 and the storage box in an unfolded state and a folded state. The hinge seat 26 is provided with a limiting protrusion 25, and the connecting seat 41 is provided with a limiting swing groove 414 adapted to the limiting protrusion 25. When the limiting protrusion 25 abuts against the two ends of the limiting swing groove 414, the locking member moves to the ends of the two sets of slots 24 respectively. The setting of the two sets of slots 24 facilitates the support frame 2 and the storage box to keep in an unfolded state and a folded state. The setting of the limiting swing groove 414 and the limiting protrusion 25 facilitates the quick connection between the slots 24 and the locking member, making it convenient for users.

[0030] A safety belt 6 and a connecting buckle 7 are provided between the backrest 5 and the seat cushion 4. The safety belt 6 is provided with a connecting buckle 7 that can be detachably connected to the connecting buckle 7. The safety belt 6 and the connecting buckle 7 are designed to protect children and prevent them from falling off the suitcase during use, thereby improving the safety of the suitcase. The connecting buckle 7 and the safety belt 6 can be common safety belt connection structures on the market, or they can be hook and buckle connection structures. The connecting buckle 7 and the safety belt 6 can also be connected by fasteners. These structures are all common structures on the market. Therefore, although the instruction manual and the accompanying drawings do not specifically describe the connection structure of the connecting buckle 7 and the safety belt 6, those skilled in the art can implement this technical solution.

[0031] Preferably, the first support wheel 11 is a universal wheel, which facilitates the flexible turning of the suitcase and makes it convenient for the user. In this embodiment, the second support wheel 21 is also a universal wheel.

[0032] The upper end of the storage box is provided with a fixing groove 2. The seat cushion 4 is fixedly installed at the bottom of the fixing groove 2, and the lower end of the backrest 5 is rotatably installed in the fixing groove 2. The backrest 5 can abut against the side wall of the fixing groove 2 and make the backrest 5 and the seat cushion 4 stably unfold. The setting of the fixing groove 2 not only facilitates the stable installation of the seat cushion 4, but also helps the seat cushion 4 to unfold stably, making it convenient for users to use.

[0033] The storage box described in this utility model includes a detachably connected box body 1 and a connecting seat 41. The seat 4 is integrally set on the connecting seat 41, and a reinforcing rod 42 is provided on the connecting seat 41. The box body 1 is provided with a fixing groove 3 that is adapted to the reinforcing rod 42. The integrally set seat 4 and connecting seat 41 can reduce the number of parts of the luggage and facilitate the rapid assembly and production of the luggage. The setting of the reinforcing rod 42 and the fixing groove 3 can improve the stability of the installation of the connecting seat 41 and facilitate the installation of the pull rod 3. Moreover, this structure can distribute the force on the storage box, avoid damage to the storage box due to stress concentration, and help extend the service life of the luggage.

[0034] The reinforcing rod 42 is provided with a sliding groove 421, and the pull rod 3 is slidably disposed in the sliding groove 421. In this embodiment, the pull rod 3 is disposed on the front side of the seat cushion 4, and the pull rod 3 has a gripping bar 31 for children to grasp.

[0035] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A six-wheeled luggage box, comprising a detachably connected support frame (2) and a storage box, wherein a seat cushion (4) and a pull rod (3) are provided on the upper end of the storage box, and a backrest (5) that can be flipped and folded toward the storage box is movably provided on the rear side of the seat cushion (4), characterized in that: The storage box is provided with at least four sets of first support wheels (11) at the bottom, and at least two sets of first support wheels (11) are provided at the lower front of the storage box. The support frame (2) is rotatably provided at the front of the storage box, and the support frame (2) is provided with second support wheels (21) at the bottom. When the control support frame (2) is unfolded relative to the storage box, the support frame (2), the storage box and the ground can be distributed in a triangle. The first support wheel (11) and the second support wheel (21) at the lower front of the storage box can jointly support the six-wheeled luggage box. When the control support frame (2) is folded towards the storage box and the storage box is placed vertically, the storage box can be supported only by the first support wheels (11).

2. A six-wheeled suitcase according to claim 1, characterized in that: A safety belt (6) and a connecting buckle (7) are provided between the backrest (5) and the seat cushion (4), and the safety belt (6) is provided with a connecting buckle (7) that is detachably connected to the connecting buckle (7).

3. A six-wheeled suitcase according to claim 1 or 2, characterized in that: The support frame (2) includes two wheel frames (22), which are connected by a connecting rod (23). Each wheel frame (22) is provided with a second support wheel (21) and a hinge seat (26). The storage box is provided with a connecting seat (41). The two hinge seats (26) are respectively located on both sides of the connecting seat (41) and are rotatably connected to the connecting seat (41). The connecting seat (41) is provided with an elastic element (9) and two snap-fit ​​elements. Each of the two hinge seats (26) is provided with a slot (24). The elastic element (9) can drive the snap-fit ​​elements to cooperate with the slots (24) on the two hinge seats (26) respectively and fix the support frame (2) and the storage box relatively. External force can control the two snap-fit ​​elements to disengage from the slots (24) respectively, so that the support frame (2) and the storage box can rotate relatively.

4. A six-wheeled suitcase according to claim 3, characterized in that: The connecting seat (41) is provided with mounting holes (411) that pass through both sides of the connecting seat (41). Two snap-fit ​​parts are slidably disposed in the mounting holes (411) respectively. An elastic element (9) is disposed between the two snap-fit ​​parts. A control port (413) is provided on the side wall of the mounting hole (411). A control part (82) corresponding to the control port (413) is provided on the snap-fit ​​part. The movement of the snap-fit ​​part can be controlled by the control part (82).

5. A six-wheeled suitcase according to claim 4, characterized in that: The control unit (82) is a groove on the side wall of the snap-fit ​​component. The groove is housed in the mounting hole (411), and the grooves on the two snap-fit ​​components are located inside the same control port (413). Two fingers can be inserted into the grooves on the two snap-fit ​​components respectively and control the movement of the two snap-fit ​​components at the same time. Limiting walls (412) are provided at both ends of the mounting hole (411). The snap-fit ​​component is provided with a clamping wall (83) that is adapted to the limiting wall (412). Controlling the clamping wall (83) to abut against the limiting wall (412) can disengage the snap-fit ​​component from the slot (24).

6. A six-wheeled suitcase according to claim 5, characterized in that: The two latches are a first latch (8) and a second latch (81), and an elastic member (9) is disposed between the first latch (8) and the second latch (81). The first latch (8) extends toward the second latch (81) to form a blocking part. The blocking part is disposed inside the control port (413) and extends to the side of the second latch (81), so that the blocking part can block the elastic member (9) and hide the elastic member (9).

7. A six-wheeled suitcase according to claim 4, 5, or 6, characterized in that: The hinge seat (26) is provided with two sets of slots (24). The locking member cooperates with the two sets of slots (24) to keep the support frame (2) and the storage box in an unfolded state and a folded state. The hinge seat (26) is provided with a limiting protrusion (25). The connecting seat (41) is provided with a limiting swing groove (414) that is adapted to the limiting protrusion (25). When the limiting protrusion (25) abuts against the two ends of the limiting swing groove (414), the locking member moves to the ends of the two sets of slots (24).

8. A six-wheeled suitcase according to claim 7, characterized in that: The upper end of the storage box is provided with a fixed groove (12), the cushion (4) is fixedly set at the bottom of the fixed groove (12), and the lower end of the backrest (5) is rotatably set in the fixed groove (12). The backrest (5) can abut against the side wall of the fixed groove (12) and make the backrest (5) and the cushion (4) stably unfold.

9. A six-wheeled suitcase according to claim 1, 2, 4, 5, 6, or 8, characterized in that: The storage box includes a detachable box body (1) and a connecting seat (41). The seat (4) is integrally set on the connecting seat (41), and a reinforcing rod (42) is provided on the connecting seat (41). The box body (1) is provided with a fixing groove (13) that is adapted to the reinforcing rod (42). The pull rod (3) is slidably set in the reinforcing rod (42).

10. A six-wheeled suitcase according to claim 1, 2, 4, 5, 6, or 8, characterized in that: The first support wheel (11) is a universal wheel.

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