Luggage case easy to drag

Abstract

The utility model discloses a luggage case easy to drag, which comprises a case body, four lockable universal wheels arranged at four corners of the lower end of the case body, an accommodating groove arranged at the lower end of the rear side of the case body, and two ninety-degree self-locking hinge mechanisms arranged at two ends of the front side of the accommodating groove. Compared with the prior art, the stair climbing device has the advantages that when the stair climbing device needs to climb stairs, the triangular wheels on the two sides are unfolded towards the two sides by 90 degrees, the clamping columns can be automatically clamped into the clamping grooves for self-locking when the triangular wheels are unfolded outwards by 90 degrees, and at the moment, the box body is pulled through the handle to incline backwards so that the triangular wheels can make contact with the ground; after the luggage case is used, an unlocking plate is pressed to drive a clamping column to move and leave the interior of a clamping groove, and then a movable hinge can be unlocked and rotated to be folded inwards, so that outward unfolding and inward folding storage of the triangular wheels are very convenient, and the luggage case is convenient to use.

Description

Technical Field

[0001] This utility model relates to the field of luggage technology, specifically to a luggage that is easy to drag. Background Technology

[0002] Suitcases are an indispensable tool for long-distance travel in people's daily lives. They can hold luggage in one place and can be easily pushed and pulled by the omnidirectional wheels at the bottom of the suitcase, bringing great convenience to people's travel.

[0003] However, existing technology still has its shortcomings: suitcases can only be pushed and pulled on relatively level ground. In some places where there are no elevators, they need to be lifted by hand, such as passenger stations, subway stations or high-speed rail stations. In some places, elevators only have one-way passages or partial steps, which causes great inconvenience to users.

[0004] The information disclosed in this background section is intended only to enhance the understanding of the overall background of the invention and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by this utility model is to overcome the above-mentioned defects and provide a suitcase that is easy to drag.

[0006] To solve the above-mentioned technical problems, the technical solution provided by this utility model is: a suitcase that is easy to drag, including a suitcase body and lockable universal wheels, with four lockable universal wheels arranged at the four corners of the lower end of the suitcase body;

[0007] A receiving slot is provided at the lower rear end of the housing;

[0008] A 90-degree self-locking hinge mechanism, two of the 90-degree self-locking hinge mechanisms are disposed at both ends of the front side of the receiving groove;

[0009] A rotating rod, which is located on one side of a 90-degree self-locking hinge mechanism;

[0010] A triangular wheel is rotatably connected to one side of a rotating rod.

[0011] A limiting buckle is fixedly connected to the middle of the lower front end of the receiving groove.

[0012] As an improvement, the 90-degree self-locking hinge mechanism includes:

[0013] A fixed hinge is fixedly connected to one side of the receiving groove;

[0014] A movable hinge, wherein the movable hinge is rotatably connected to one end of a fixed hinge, and the rotating rod is fixedly connected to one side of the movable hinge;

[0015] An unlocking plate, which is movably mounted on a hinge;

[0016] The locking post is movably mounted at the rear end of the unlocking plate;

[0017] The card slot is formed on the fixed hinge, and the two ends of the card post are engaged with the inside of the card slot.

[0018] As an improvement, the rear ends of both sides of the limiting buckle are fixedly connected with pressure pads.

[0019] As an improvement, a handle is provided on the rear side of the upper end of the box.

[0020] As an improvement, the lowest point of the triangular wheel does not contact the ground when the bottom of the housing is in a horizontal state.

[0021] The advantages of this utility model compared with the prior art are as follows: When climbing stairs, first pull one end of the triangular wheel outward. The limiting buckle deforms to one side, which unlocks and removes the triangular wheel. Then, remove the other triangular wheel. Then, unfold both triangular wheels to 90 degrees. When the triangular wheels are unfolded to 90 degrees, the locking pin can automatically engage with the slot for self-locking. At this time, pull the handle to tilt the suitcase backward so that the triangular wheels contact the ground. Then, the suitcase can be pulled up the stairs using the triangular wheels. When going down the stairs, pull the handle to tilt the suitcase backward and push it down.

[0022] When you are finished using the triangular wheels and need to retract them, press the unlocking plate to move the locking pin out of the slot, and then you can unlock and rotate the hinge to fold inward. Therefore, it is very convenient to unfold the triangular wheels outward and fold them inward for storage, making it easy to use. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of this utility model.

[0024] Figure 2 This is a folding diagram of the present invention.

[0025] Figure 3 yes Figure 2 A bottom view.

[0026] Figure 4 This is a partial structural schematic diagram of the present invention.

[0027] As shown in the figure: 1. Box body; 2. Lockable casters; 3. Receiving groove; 4. 90-degree self-locking hinge mechanism; 41. Fixed hinge; 42. Movable hinge; 43. Unlocking plate; 44. Locking post; 45. Locking groove; 5. Rotating rod; 6. Triangular wheel; 7. Limit buckle; 8. Pressure pad; 9. Handle. Detailed Implementation

[0028] The present invention will now be described in further detail with reference to the accompanying drawings.

[0029] A type of suitcase that is easy to drag, such as Figure 1 and Figure 2 As shown, the device includes a housing 1 and four lockable casters 2. The four lockable casters 2 are located at the four corners of the lower end of the housing 1. A handle 9 is provided on the upper rear side of the housing 1. A receiving groove 3 is provided on the lower rear side of the housing 1. Ninety-degree self-locking hinge mechanisms 4 are provided at both ends of the front side of the receiving groove 3. A rotating rod 5 is provided on one side of the ninety-degree self-locking hinge mechanism 4. A triangular wheel 6 is provided on one side of the rotating rod 5. The two triangular wheels 6 can be rotated ninety degrees to the rear by the ninety-degree self-locking hinge mechanism 4 to unfold, or rotated inward to be stored in the receiving groove 3. When the bottom of the housing 1 is in a horizontal state, the bottom of the triangular wheel 6 does not contact the ground. Only when the housing 1 is tilted backward by pulling the housing 1 with the handle 9 when unfolded can the triangular wheel 6 contact the ground. Therefore, the triangular wheel 6 will not hinder the normal movement of the lockable casters 2. The three wheels of the triangular wheel 6 can rotate when encountering obstacles, so it can be used to climb stairs.

[0030] like Figure 3 As shown, a limiting buckle 7 is provided in the middle of the lower front end of the receiving groove 3. The limiting buckle 7 has a sloping structure on both sides. A pressure pad 8 is fixedly connected to the rear end of both sides of the limiting buckle 7. When the triangular wheel 6 rotates and is stored inside the receiving groove 3, one end of the triangular wheel 6 can slide inward along the sloping surface of the limiting buckle 7 and then lock into the inside of the limiting buckle 7. The rear pressure pad 8 can abut against the triangular wheel 6, thus fixing the triangular wheel 6 between the limiting buckle 7 and the pressure pad 8. When using it, first pull one end of the triangular wheel 6 outward. The limiting buckle 7 will deform to one side, which will unlock the triangular wheel 6 and allow it to be removed. Then, remove the other side of the triangular wheel 6.

[0031] like Figure 4 As shown, the 90-degree self-locking hinge mechanism 4 includes a fixed hinge 41, a movable hinge 42, an unlocking plate 43, a locking post 44, and a locking slot 45. The fixed hinge 41 is fixedly connected to one side of the receiving slot 3, the movable hinge 42 is rotatably connected to one end of the fixed hinge 41, the rotating rod 5 is fixedly connected to one side of the movable hinge 42, the unlocking plate 43 is movably mounted on the movable hinge 42, the locking post 44 is movably mounted at the rear end of the unlocking plate 43, and the locking slot 45 is opened on the fixed hinge 41. Both ends of the locking post 44 are engaged with the inside of the locking slot 45. A spring is also provided between the locking post 44 and the fixed hinge 41. When the triangular wheel 6 is unfolded outward to 90 degrees, the locking post 44 can automatically engage with the inside of the locking slot 45 for self-locking. When it is necessary to retract the triangular wheel 6, pressing the unlocking plate 43 will drive the locking post 44 to move away from the inside of the locking slot 45, thereby unlocking and rotating the movable hinge 42 to fold inward. Therefore, the outward unfolding and inward folding of the triangular wheel 6 are very convenient and easy to use.

[0032] In specific implementation of this utility model, such as Figure 1-4 As shown, when climbing stairs, first pull one end of the triangular wheel 6 outwards. The limit buckle 7 will deform to one side, allowing the triangular wheel 6 to be unlocked and removed. Then remove the other side of the triangular wheel 6. Next, unfold both triangular wheels 6 to the sides at a 90-degree angle. When the triangular wheels 6 are unfolded to a 90-degree angle, the locking pin 44 can automatically engage with the slot 45 for self-locking. At this time, pull the handle 9 to tilt the suitcase 1 backwards so that the triangular wheels 6 contact the ground. Then, you can pull the suitcase up the stairs using the triangular wheels 6. When going down the stairs, pull the handle 9 to tilt the suitcase 1 backwards and push it down.

[0033] When the use is finished and the triangular wheel 6 needs to be retracted, press the unlocking plate 43 to move the locking post 44 away from the slot 45, and then the movable hinge 42 can be rotated to fold inward. Therefore, it is convenient to unfold the triangular wheel 6 outward and fold it inward for storage, making it easy to use.

[0034] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A suitcase that is easy to drag, comprising a suitcase body (1) and lockable casters (2), characterized in that: The four lockable casters (2) are located at the four corners of the lower end of the housing (1); A receiving groove (3) is provided at the lower rear end of the box body (1); Ninety-degree self-locking hinge mechanism (4), two of the ninety-degree self-locking hinge mechanisms (4) are disposed at both ends of the front side of the receiving groove (3); Rotating rod (5), the rotating rod (5) is located on one side of the ninety-degree self-locking hinge mechanism (4); A triangular wheel (6) is rotatably connected to one side of a rotating rod (5); Limiting buckle (7) is fixedly connected to the middle of the lower front end of the receiving groove (3).

2. The easy-to-pull suitcase according to claim 1, characterized in that: The ninety-degree self-locking hinge mechanism (4) includes: A fixed hinge (41) is fixedly connected to one side of the receiving groove (3); The movable hinge (42) is rotatably connected to one end of the fixed hinge (41), and the rotating rod (5) is fixedly connected to one side of the movable hinge (42). Unlocking plate (43), which is movably mounted on the movable hinge (42); A locking post (44) is movably disposed at the rear end of the unlocking plate (43); The slot (45) is opened on the fixed hinge (41), and the two ends of the locking post (44) are engaged with the inside of the slot (45).

3. The easy-to-pull suitcase according to claim 1, characterized in that: The limiting buckle (7) has pressure pads (8) fixedly connected to the rear ends of both sides.

4. The easy-to-pull suitcase according to claim 1, characterized in that: A handle (9) is provided on the rear side of the upper end of the box (1).

5. A suitcase that is easy to drag according to claim 1, characterized in that: The lowermost end of the triangular wheel (6) does not contact the ground when the bottom of the box (1) is in a horizontal state.

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