Double-pull-rod luggage case

Abstract

The utility model relates to a double-pull-rod luggage case which comprises a luggage case body, an advancing assembly, a first pull rod and a second pull rod, the luggage case body is provided with a first mounting surface and a second mounting surface which are adjacent to each other, and the first mounting surface and the second mounting surface are adjacent to each other and are not arranged on the same plane; the advancing assembly comprises a first advancing part and a second advancing part which are mounted on the first mounting surface and the second mounting surface respectively; the first pull rod is connected with the luggage case body; the second pull rod is connected with the luggage case body; when the first advancing part makes contact with the ground, the luggage case body can be controlled to move through the first pull rod, the stress point of the first pull rod is located at the top of the luggage case body, the peripheral side of the luggage case is evenly stressed, and similarly, when the second advancing part makes contact with the ground, the luggage case body can be controlled to move through the second pull rod; the stress point of the second pull rod is positioned at the top of the luggage case body, so that the peripheral side of the luggage case is uniformly stressed, and the risk that the peripheral side of the luggage case body tilts can be effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of the luggage, especially to a double-pull rod luggage. BACKGROUND

[0002] The luggage can be used for placing clothes, personal care products and the like required on a journey, and is a constant necessity for travel, and with the development of the times, the function of the luggage is more and more perfect. At present, the luggage with a double-mode traveling structure of walking and crawling exists on the market.

[0003] For example, the utility model patent with the application number CN202022135167.2 proposes a crawler-type ladder climbing luggage, wherein the crawler surface of the box body is symmetrically provided with a semi-open crawler groove at the left and right side edges, the crawler groove is composed of an inner side plate and an inner top plate, a plurality of rotating shafts are arranged on the inner side plate at equal intervals along the length direction of the luggage, the rotating shafts are perpendicular to the inner side plate, the rotating shafts at the most front end and the most rear end are provided with crawler wheels, and the rotating shafts between the two are provided with support wheels; the lower edge of the crawler wheel exceeds the crawler surface; and a crawler belt is sleeved on the crawler wheel.

[0004] Usually, a handle is arranged on the top of the luggage, when the luggage is switched to the crawler climbing mode, the handle of the luggage is located on the side of the luggage, the circumferential side of the luggage is unevenly stressed, if the speed of the carrier is too fast, the side of the handle of the luggage is easy to be raised, and the use is inconvenient. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a double-pull rod luggage to solve the problem that when the luggage is switched to the crawler climbing mode, the handle of the luggage is located on the side of the luggage, the circumferential side of the luggage is unevenly stressed, if the speed of the carrier is too fast, the side of the handle of the luggage is easy to be raised, and the use is inconvenient.

[0006] The utility model provides a double-pull rod luggage, which comprises a luggage body, a traveling assembly, a first pull rod and a second pull rod, the luggage body is provided with adjacent first and second mounting surfaces, the first and second mounting surfaces are adjacent and are not coplanar, the traveling assembly comprises first and second traveling parts which are respectively mounted on the first and second mounting surfaces, the first pull rod is connected with the luggage body, and one end of the first pull rod away from the luggage body can be extended to the opposite surface of the first mounting surface of the luggage body, the second pull rod is connected with the luggage body, and one end of the second pull rod away from the luggage body can be extended to the opposite surface of the second mounting surface of the luggage body.

[0007] Further, a rotating groove is formed on the opposite side of the second mounting surface of the luggage body, one end of the second pull rod extends into the rotating groove and is rotatably connected with the luggage body, and the second pull rod can rotate to a position outside the rotating groove or a position embedded in the rotating groove.

[0008] Further, the second pull rod comprises a rotating rod and a sliding rod, one end of the rotating rod is rotatably connected with the luggage body, and a guide groove is formed in the other end of the rotating rod, the sliding rod partially extends into the guide groove and is slidably connected with the rotating rod.

[0009] Further, the sliding rod is provided with an elastic protrusion on the outer wall of the end of the guide groove, positioning grooves are formed in the inner walls of the top and bottom of the guide groove of the rotating rod, and the elastic protrusion can be clamped in any one of the positioning grooves.

[0010] Further, a key body is fixedly connected to the outer wall of the sliding rod, and a key groove is formed in the inner wall of the guide groove of the rotating rod, and the key body is slidably connected with the key groove.

[0011] Further, the second pull rod further comprises a connecting shaft and a connecting head, the rotating rod is rotatably connected with the luggage body via a connecting shaft, and the end of the sliding rod away from the rotating rod is connected with the connecting head.

[0012] Further, the second pull rod rotates in the direction of approaching or moving away from the first pull rod, and the plane in which the rotation path of the second pull rod is located is perpendicular to the second mounting surface.

[0013] Further, the first travel part comprises four rotating supports and four travel wheels, the four rotating supports are respectively arranged at the four corners of the first mounting surface, one side of each of the four rotating supports is rotatably connected with the luggage body, and the other side of each of the four rotating supports is connected with one of the four travel wheels.

[0014] Further, the second travel part comprises a plurality of rollers and two tracks, the plurality of rollers are oppositely arranged on the two sides of the second mounting surface and are rotatably connected with the luggage body, the plurality of rollers on the same side are arranged in sequence along a straight line direction perpendicular to the first mounting surface, and the two tracks are respectively sleeved on the plurality of rollers on the two sides.

[0015] Further, travel grooves are formed on the two sides of the second mounting surface of the luggage body, and the plurality of rollers and the tracks on the same side partially extend into the travel grooves.

[0016] Compared with the prior art, when the first advancing part is in contact with the ground, the luggage body can be moved through the first pull rod, the force point of the first pull rod is located at the top of the luggage body, the force on the periphery of the luggage is uniform, and the same is true for the second advancing part, when the second advancing part is in contact with the ground, the luggage body can be moved through the second pull rod, the force point of the second pull rod is located at the top of the luggage body, the force on the periphery of the luggage is uniform, the risk of the periphery of the luggage body being raised can be effectively reduced, and convenience in use is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A structure schematic diagram of the double-pull-rod luggage provided by the utility model embodiment is provided.

[0018] Figure 2 A structure schematic diagram of the second pull rod in the double-pull-rod luggage provided by the utility model embodiment is provided. DETAILED DESCRIPTION

[0019] The preferred embodiments of the utility model will be specifically described below in combination with the drawings, wherein the drawings form a part of the present application, and are used together with the embodiments of the utility model to explain the principles of the utility model, and are not used to limit the scope of the utility model.

[0020] As shown in the drawings, Figure 1 The utility model provides a double-pull-rod luggage, which comprises a luggage body 100, a travelling assembly 200, a first pull rod 300 and a second pull rod 400, the luggage body 100 has adjacent first and second mounting surfaces, the first and second mounting surfaces are adjacent and are arranged in a non-coplanar manner; the travelling assembly 200 comprises a first advancing part 210 and a second advancing part 220 which are respectively mounted on the first and second mounting surfaces; the first pull rod 300 is connected with the luggage body 100, and one end of the first pull rod 300 away from the luggage body 100 can extend to the opposite surface of the first mounting surface of the luggage body; the second pull rod 400 is connected with the luggage body 100, and one end of the second pull rod 400 away from the luggage body 100 can extend to the opposite surface of the second mounting surface of the luggage body 100.

[0021] When the first advancing part 210 is in contact with the ground, the luggage body 100 can be moved through the first pull rod 300, the force point of the first pull rod 300 is located at the top of the luggage body 100, the force on the periphery of the luggage is uniform, and the same is true for the second advancing part 220, when the second advancing part 220 is in contact with the ground, the luggage body 100 can be moved through the second pull rod 400, the force point of the second pull rod 400 is located at the top of the luggage body 100, the force on the periphery of the luggage is uniform, the risk of the periphery of the luggage body 100 being raised can be effectively reduced, and convenience in use is achieved.

[0022] The luggage body 100 in the embodiment is a box structure that can be conceived by those skilled in the art, and an accommodation cavity for containing articles is formed inside the box structure. The luggage body 100 is composed of two half-shell structures that are hingedly connected and detachably connected by a zipper or the like to open or close the accommodation cavity.

[0023] The travel assembly 200 in the embodiment includes a first travel part 210 and a second travel part 220 that are respectively mounted on a first mounting surface and a second mounting surface. The area of the first mounting surface is greater than the area of the second mounting surface. Generally, when the luggage body 100 is vertically placed, the first mounting surface is located at the bottom of the luggage body 100, and the second mounting surface is located at the side of the luggage body 100. At this time, the first travel part 210 works, and the luggage body 100 is moved by the first pull rod 300. For the convenience of climbing and going upstairs, the center of gravity of the luggage body 100 needs to be lowered, and thus the luggage body 100 is laid down, and the second travel part 220 works, and the luggage body 100 is moved by the second pull rod 400.

[0024] In one embodiment, the first travel part 210 includes four rotating supports 211 and four travel wheels 212. The four rotating supports 211 are respectively arranged at the four corners of the first mounting surface. One side of each of the four rotating supports 211 is rotationally connected with the luggage body 100, and the other side of each of the four rotating supports 211 is connected with one of the four travel wheels 212. Through the above arrangement, the first travel part 210 can drive the luggage body 100 to move in any direction.

[0025] In one embodiment, the second travel part 220 includes a plurality of rollers 221 and two caterpillar belts 222. The plurality of rollers 221 are oppositely arranged at the two sides of the second mounting surface and are rotationally connected with the luggage body 100. The plurality of rollers 221 at the same side are arranged in a straight line direction perpendicular to the first mounting surface. The two caterpillar belts 222 are respectively sleeved on the plurality of rollers 221 at the two sides. Through the above arrangement, the luggage body 100 can realize the operation of climbing a slope and the like.

[0026] In the embodiment, the travel grooves 130 are arranged at the two sides of the second mounting surface of the luggage body 100, and the caterpillar belts and the plurality of rollers 221 at the same side extend into the travel grooves 130. This not only enhances the practicability of the luggage but also ensures the aesthetic appearance of the luggage.

[0027] Meanwhile, in an embodiment, the second traveling part 220 further comprises two driving motors, which are installed in the interlayer inside the luggage body 100, and the output ends of the two driving motors are connected with one of the rollers 221 on the two sides respectively. It can be understood that when the output powers of the two driving motors are the same, the luggage body 100 can be controlled to move in a straight line direction, and when the output powers of the two driving motors are different, the two sides of the track 222 exist differential speed, so as to realize the steering function of the luggage body 100.

[0028] Among them, the plurality of rollers 221 are fixedly connected with shafts, the shafts are rotationally connected with the luggage body 100, and the driving motors are connected with one of the shafts on the corresponding side.

[0029] In the embodiment, a storage battery can be installed in the interlayer inside the luggage body 100, the storage battery supplies power for the two driving motors, and a mobile phone can also be connected through a Bluetooth module, and the carrier can control the driving motor to act through the mobile phone. It can be understood that the motor action controlled by the Bluetooth signal is a way that can be thought of by those skilled in the art, for example, the patent with the application number 202121709383 proposes an automatic following system of a luggage and a luggage.

[0030] The first pull rod 300 and the second pull rod 400 in the embodiment can be used independently, specifically, when the first traveling part 210 works, the first pull rod 300 is used to control the movement of the luggage body 100, and when the second traveling part 220 works, the second pull rod 400 is used to control the movement of the luggage body 100.

[0031] In order to hide the first pull rod 300, in an embodiment, the first pull rod 300 is slidably connected with the slide groove 110 opened on the luggage body 100, the first pull rod 300 can be slid to a position embedded in the slide groove 110, and when used, the first pull rod 300 only needs to be pulled out.

[0032] In order to hide the second pull rod 400, the rotating groove 120 is opened on the surface of the luggage body 100 opposite to the second mounting surface, one end of the second pull rod 400 extends into the rotating groove 120 and is rotationally connected with the luggage body 100, and the second pull rod 400 can be rotated to a position outside the rotating groove 120 or a position embedded in the rotating groove 120. When used, the second pull rod 400 only needs to be rotated to a position outside the rotating groove 120.

[0033] Through the above setting, when not in use, the first pull rod 300 and the second pull rod 400 can be hidden, or when the first pull rod 300 is used, the second pull rod 400 is hidden, and similarly, when the second pull rod 400 is used, the first pull rod 300 can also be hidden.

[0034] As Figure 2As shown, in one embodiment, the second pull rod 400 comprises a rotating rod 410 and a sliding rod 420, one end of the rotating rod 410 is rotationally connected with the luggage body 100, the other end of the rotating rod 410 is internally hollow to form a guide groove, and the sliding rod 420 partially extends into the guide groove and is slidingly connected with the rotating rod 410.

[0035] In order to facilitate the definition of the position of the sliding rod 420 relative to the rotating rod 410, in the embodiment, the outer wall of the end of the sliding rod 420 extending into the guide groove is provided with an elastic protrusion, the inner side wall of the top and bottom of the guide groove of the rotating rod 410 is formed with a positioning groove, and the elastic protrusion can be clamped in any positioning groove. When the elastic protrusion of the sliding rod 420 is clamped in the positioning groove located near the opening of the guide groove, the sliding rod 420 is mostly moved out of the guide groove, and when the elastic protrusion of the sliding rod 420 is clamped in the positioning groove located away from the opening of the guide groove, the sliding rod 420 is mostly retracted into the guide groove.

[0036] It can be understood that the elastic protrusion comprises a protruding block and a spring, the protruding block is clamped in a through hole formed in the side wall of the sliding rod 420 and is connected with the inner wall of the through hole via the spring.

[0037] In order to define the sliding direction of the sliding rod 420, in one embodiment, a key body is fixedly connected on the outer wall of the sliding rod 420, and a key groove is formed in the inner wall of the guide groove of the rotating rod 410, and the key body is slidingly connected with the key groove.

[0038] In one embodiment, the second pull rod 400 further comprises a connecting shaft 411 and a connecting head 421, the rotating rod 410 is rotationally connected with the luggage body 100 via a connecting shaft 411, and the end of the sliding rod 420 away from the rotating rod 410 is connected with the connecting head 421.

[0039] In one embodiment, the second pull rod 400 rotates in the direction close to or away from the first pull rod 300, and the plane where the rotation path of the second pull rod 400 is located is perpendicular to the second mounting surface.

[0040] Compared with the prior art, when the first travel part 210 is in contact with the ground, the luggage body 100 can be moved by operating the first pull rod 300, the stress point of the first pull rod 300 is located at the top of the luggage body 100, and the stress on the periphery of the luggage is uniform. Similarly, when the second travel part 220 is in contact with the ground, the luggage body 100 can be moved by operating the second pull rod 400, the stress point of the second pull rod 400 is located at the top of the luggage body 100, and the stress on the periphery of the luggage is uniform, which can effectively reduce the risk of the periphery of the luggage body 100 being raised, and is convenient to use.

[0041] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any person skilled in the art can easily think of changes or replacements within the technical scope disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A dual-tube trolley suitcase characterized by, The utility model provides a kind of luggage case, including: Luggage body, the luggage body has adjacent first mounting surface and second mounting surface, the first mounting surface and the second mounting surface are adjacent and are not coplanar arrangement; Traveling component, the traveling component includes first traveling part and second traveling part respectively mounted on the first mounting surface and the second mounting surface; First pull rod, the first pull rod is connected with the luggage body, and one end of the first pull rod away from the luggage body can be extended to the opposite surface of the first mounting surface of the luggage body; Second pull rod, the second pull rod is connected with the luggage body, and one end of the second pull rod away from the luggage body can be extended to the opposite surface of the second mounting surface of the luggage body.

2. The dual-tube luggage of claim 1, wherein, The luggage body is provided with a rotating groove on the opposite surface of the second mounting surface, one end of the second pull rod extends into the rotating groove and is rotatably connected with the luggage body, and the second pull rod can be rotated to a position outside the rotating groove or embedded in the rotating groove.

3. The dual-tube luggage of claim 1, wherein, The second pull rod includes a rotating rod and a sliding rod, one end of the rotating rod is rotatably connected with the luggage body, the other end of the rotating rod is hollowed to form a guide groove, and the sliding rod partially extends into the guide groove and is slidably connected with the rotating rod.

4. The dual-tube luggage case of claim 3, wherein, The outer wall of the sliding rod extending to one end of the guide groove is provided with an elastic protrusion, and the inner side wall of the top and bottom of the guide groove of the rotating rod is formed with a positioning groove, and the elastic protrusion can be clamped in any one of the positioning grooves.

5. The dual-tube luggage case of claim 3, wherein, The outer wall of the sliding rod is fixedly connected with a key body, and the inner wall of the guide groove of the rotating rod is formed with a key groove, and the key body is slidably connected with the key groove.

6. The dual-tube luggage case of claim 3, wherein, The second pull rod further includes a connecting shaft and a connecting head, the rotating rod is rotatably connected with the luggage body via a connecting shaft, and one end of the sliding rod away from the rotating rod is connected with the connecting head.

7. The dual-tube luggage case of claim 2, wherein, The second pull rod is rotated in the direction close to or away from the first pull rod, and the plane where the rotation path of the second pull rod is located is perpendicular to the second mounting surface.

8. The dual-tube luggage of claim 1, wherein, The first traveling part includes four rotating supports and four traveling wheels, four rotating supports are respectively arranged at the four corners of the first mounting surface, one side of each of the four rotating supports is rotatably connected with the luggage body, and the other side of each of the four rotating supports is respectively connected with four traveling wheels.

9. The dual-tube luggage of claim 1, wherein, The second traveling part includes a plurality of rollers and two tracks, a plurality of rollers are oppositely arranged on the two sides of the second mounting surface and are rotatably connected with the luggage body, a plurality of rollers on the same side are arranged in a straight line direction perpendicular to the first mounting surface, and two tracks are respectively sleeved on a plurality of rollers on the two sides.

10. The dual-tube luggage of claim 9, wherein, The luggage body is provided with a traveling groove on the two sides of the second mounting surface, and the track and a plurality of rollers on the same side partially extend into the traveling groove.

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