CN115462604B

CN115462604B - Suitcase

Info

Publication number: CN115462604B
Application number: CN202211303714.0A
Authority: CN
Inventors: 许东春
Original assignee: Changzhou Vocational Institute of Textile and Garment
Current assignee: Changzhou Vocational Institute of Textile and Garment
Priority date: 2022-10-24
Filing date: 2022-10-24
Publication date: 2023-06-09
Anticipated expiration: 2042-10-24
Also published as: CN115462604A

Abstract

The invention discloses a suitcase, which comprises a pull rod and a suitcase body, wherein the suitcase body comprises a storage shell and a base arranged at the bottom of the storage shell, and the pull rod penetrates through the storage shell to be fixedly connected with the base; the base is arranged to be an advancing part near one end of the pull rod, a first steering wheel and a second steering wheel are hinged to two sides of the advancing part through shaft pins respectively, a connecting rod is arranged between the first steering wheel and the second steering wheel, two ends of the connecting rod are hinged to the first steering wheel and the second steering wheel shaft pins respectively, and a resetting device for keeping centering when no external force is applied to the connecting rod is arranged on the advancing part; the link rod is provided with a poking groove, and the advancing part is provided with a poking piece inserted into the poking groove. Through the inclination of the storage box body towards the direction of the first steering wheel or the second steering wheel, the poking piece pokes the connecting rod, so that the first steering wheel and the second steering wheel rotate in directions, the box body rotates in directions, and the operation is convenient and labor-saving.

Description

Suitcase

Technical Field

The invention relates to the technical field of boxes, in particular to a suitcase.

Background

The suitcase is a suitcase for holding articles when going out, and belongs to one type of luggage.

The suitcase comprises a suitcase body and four universal wheels which are arranged at the bottom of the suitcase body and can rotate by 360 degrees, wherein a pull rod is arranged on the suitcase body, and the suitcase body is conveniently pulled to move on the flat ground by the pull rod. In the use of the suitcase, because articles are stored in the suitcase, the gravity center of the suitcase is deviated, when the suitcase is pulled to turn, the universal wheels cannot rotate synchronously in time, the gravity center of the suitcase is unbalanced to cause rollover easily, and the wrist holding the pull rod is strained due to rollover of the suitcase.

The invention patent No. CN201611250926.1, applicant is the wangxin, it discloses a switchable steering assembly and electronic manned travelling basket, it includes switchable steering assembly and box, switchable steering assembly has pivot, axletree and two wheels are constituteed, two wheels are installed respectively at the both ends of axletree, the bottom of pivot is connected with the axial intermediate position of axletree, the pivot articulates with the box pivot, when needing the box to turn, rotate the pivot can, although reach the synchronous pivoted effect of wheel, the rotation of pivot needs certain torsion, it is comparatively laborious, when the article of accomodating in the box is less, the box is lighter, cause the gripping of wheel not firm, the rotation effect of pivot also can great reduction.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the problem that the gravity center is easy to be unbalanced and the steering operation is inconvenient in the process of rotating the suitcase body is solved, so that the suitcase with higher stability in rotation is provided.

The technical scheme adopted for solving the technical problems is as follows:

the suitcase comprises a pull rod and a suitcase body, wherein the suitcase body comprises a storage shell and a base arranged at the bottom of the storage shell, and the pull rod penetrates through the storage shell to be fixedly connected with the base;

the base is arranged to be an advancing part near one end of the pull rod, a first steering wheel and a second steering wheel are hinged to two sides of the advancing part through shaft pins respectively, a connecting rod is arranged between the first steering wheel and the second steering wheel, two ends of the connecting rod are hinged to the first steering wheel and the second steering wheel shaft pins respectively, and a resetting device for keeping centering when no external force is applied to the connecting rod is arranged on the advancing part;

the link rod is provided with a poking groove, and the advancing part is provided with a poking piece inserted into the poking groove.

Preferably: the first steering wheel comprises a hub, a rotating shaft and a U-shaped support, one end of the rotating shaft is coaxially and movably connected with the hub through a bearing, the other end of the rotating shaft is movably connected with one end of the U-shaped support through a bearing, the end of the connecting rod is hinged with the other end shaft pin of the U-shaped support, and the U-shaped support is hinged with the bottom end shaft pin of the advancing part.

Preferably: the position between the U-shaped parts for being hinged with the advancing parts is close to the connecting rod.

Preferably: the reset device comprises a torsion spring, a pressing plate and a pin shaft, one end of the pin shaft is fixedly connected with the advancing part, a spiral part of the torsion spring is sleeved on the pin shaft, two ends of the torsion spring are inserted into the connecting rod, and the pressing plate is fixedly connected with the free end of the pin shaft through a bolt.

Preferably: the spiral part of torsional spring is provided with two or more, and two adjacent spiral parts parallel arrangement.

Preferably: the advancing part is inwards concave, the connecting rod and the resetting device are both arranged in the concave, and the advancing part is connected with a cover plate which covers the connecting rod and the resetting device.

Preferably: the other end of the base, which is opposite to the advancing part, is provided with a third steering wheel, and the third steering wheel, the second steering wheel and the first steering wheel are distributed in a triangle.

Preferably: the third steering wheel comprises a three-fork support, a compression spring and a roller, the roller is coaxially connected with a main shaft in a rotating mode, two fork rods in the three-fork support are respectively hinged to shaft pins at two ends of the main shaft, the other fork rod is connected with the base in a rotating mode, the lengths of the two fork rods connected with the main shaft are variable, and the compression spring is sleeved on the two fork rods.

Preferably: the storage shell comprises an upper cover and a lower cover, and the upper cover and the lower cover are spliced to form a storage cavity;

one side contact edge of the upper cover is hinged with the lower cover, and the other side contact edge of the upper cover is used as an opening and closing part and is connected with the lower cover through a zipper;

the upper cover comprises an opening and closing part and a supporting part, and the opening and closing part is hinged with the supporting part;

the upper cover and the lower cover are provided with tighteners at the opening and closing parts.

Preferably: the storage shell comprises an inner lining made of cloth and an outer shell made of carbon fiber.

The beneficial effects of the invention are as follows: through the inclination of the storage box body towards the first steering wheel or the second steering wheel, the link rod is shifted by utilizing the storage box body and the self gravity of the stored articles in the storage box body, so that the first steering wheel and the second steering wheel rotate in directions, the box body rotates in directions, and the operation is convenient and labor-saving.

Drawings

FIG. 1 is a perspective view of a travel suitcase of the present invention;

FIG. 2 is an assembly view of the link with the reset device and the first and second steering wheels;

FIG. 3 is a front view of the case;

FIG. 4 is a schematic view of a third steering wheel;

FIG. 5 is a schematic view of the case in an open state;

in the figure: 1. a pull rod; 2. a case; 21. an upper cover; 211. a support part; 212. an opening/closing section; 22. a lower cover; 3. a base; 31. a cover plate; 4. a first steering wheel; 41. a hub; 42. a rotating shaft; 43. a U-shaped bracket; 431. a driving end; 432. a driven end; 433. a hinge part; 5. a second steering wheel; 6. a third steering wheel; 61. a three-fork bracket; 62. a compression spring; 63. a roller; 7. a link rod; 71. a groove is arranged; 8. a reset device; 81. a torsion spring; 811. a spiral portion; 82. a pressing plate; 83. a pin shaft; 9. a pulling piece.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present invention, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present invention.

According to the drawing 1-2, a suitcase comprises a pull rod 1 and a box body 2, wherein the box body 2 comprises a storage shell and a base 3, the base 3 is L-shaped, the storage shell comprises an upper cover 21 and a lower cover 22, the upper cover 21 and the lower cover 22 are spliced to form a storage cavity, the vertical end face of the L-shaped base 3 is connected with the front side wall of the lower cover 22, the horizontal end face of the L-shaped base 3 is connected with the bottom wall of the lower cover 22, and the base 3 is made of hard plastic and is integrally arranged with the lower cover 22. The pull rod 1 is fixedly connected with the vertical end face of the L-shaped base 3, the junction of the vertical end face and the horizontal end face of the L-shaped base 3 is provided with an advancing part, one end of the base 3, which is close to the pull rod 1, is provided with an advancing part, two sides of the advancing part are respectively hinged with a first steering wheel 4 and a second steering wheel 5 through shaft pins, a connecting rod 7 is arranged between the first steering wheel 4 and the second steering wheel 5, two ends of the connecting rod 7 are respectively hinged with the first steering wheel 4 and the second steering wheel 5 through shaft pins, and a resetting device 8 for keeping centering when no external force is applied to the connecting rod 7 is arranged on the advancing part; the link 7 is provided with a dial groove 71, and the advancing part is provided with a dial piece 9 inserted into the dial groove 71.

When the box body 2 is inclined, the poking piece 9 integrally arranged on the base 3 pushes the connecting rod 7 towards one side, and two ends of the connecting rod 7 are respectively hinged with the first steering shaft and the second steering shaft, so that the first steering shaft and the second steering shaft synchronously rotate, time and labor are saved, the rotating stability is higher, and because the box body 2 is manually inclined, psychological preparation is provided in advance, and the wrist cannot be injured by sudden inclination of the box body 2.

According to fig. 2, the first steering wheel 4 comprises a hub 41, a rotating shaft 42 and a U-shaped bracket 43, wherein one end of the rotating shaft 42 is coaxially and movably connected with the hub 41 through a bearing, two ends of the U-shaped bracket 43 are respectively provided with a driving end 431 and a driven end 432, the automatic end of the rotating shaft 42 is inserted into the driven end 432 and is rotatably connected through the bearing, the end part of the link rod 7 is hinged with the driving end 431 through a shaft pin, the hinge part 433 of the U-shaped bracket 43 is hinged with the base 3 through a shaft pin, and the hinge part 433 is arranged close to the driving end 431. The hinge portion 433 serves as a circle point for rotating the U-shaped bracket 43, and the distance between the hinge portion 433 and the driving end 431 is smaller than the distance between the hinge portion and the driven end 432, so that the swinging acting force of the U-shaped bracket 43 is reduced, and the gravity of the case 2 and the base 3 can enable the first steering shaft to rotate around the hinge portion 433 as a circle center. The first steering wheel 4 has the same structure as the second steering wheel 5.

According to the illustration in fig. 2, in order to guarantee that the box 2 is in the vertical state, the first steering wheel 4 and the second steering wheel can drive the box 2 to linearly advance, one side of the link rod 7 is provided with the reset device 8, the reset device 8 comprises a torsion spring 81, a pressing plate 82 and a pin shaft 83, one end of the pin shaft 83 is fixedly connected with the advancing part, a spiral part 811 of the torsion spring 81 is sleeved on the pin shaft 83, two ends of the torsion spring 81 are inserted into the link rod 7, and the pressing plate 82 is fixedly connected with the free end of the pin shaft 83 through a bolt. The pressing plate 82 is used for limiting the torsion spring 81 on the pin 83, so that the torsion spring is prevented from being tripped from the pin 83 when being deformed. The torsion spring 81 has two spiral portions 811, the two spiral portions 811 are arranged in parallel, and each spiral portion 811 is inserted with one pin 83.

According to fig. 3, the forward portion is recessed inwardly, and the link 7 and the restoring means 8 are each disposed in the recess, and the forward portion is connected with a cover plate 31 covering the link 7 and the restoring means 8. The cover plate 31 is fixedly connected with the base 3 through bolts, and the cover plate 31 is detached to facilitate overhauling of the link rod 7 and the resetting device 8. The other end of the base 3 opposite to the advancing part is provided with a third steering wheel 6, and the third steering wheel 6, the second steering wheel 5 and the first steering wheel 4 are distributed in a triangle shape.

According to the illustration shown in fig. 4, the third steering wheel 6 comprises a three-fork support 61, a compression spring 62 and a roller 63, the roller 63 is coaxially and rotatably connected with a main shaft, the three-fork support 61 comprises a main fork rod and two pairs of fork rods, the two pairs of fork rods are respectively hinged with shaft pins at two ends of the main shaft, the main fork rod is rotatably connected with the base 3, the lengths of the two fork rods connected with the main shaft are variable, and the compression spring 62 is sleeved on the two fork rods. The auxiliary fork rod is formed by coupling an inner rod and an outer rod, the compression spring 62 is arranged at the connecting position of the inner rod and the outer rod, the compression spring 62 is arranged for damping the box body 2 on one hand, and the auxiliary fork rod is flexible when the box body 2 is inclined, so that the resistance when the box body 2 is inclined can be reduced.

According to fig. 5, one side contact edge of the upper cover 21 is hinged with the lower cover 22, and the other side contact edge of the upper cover 21 is connected with the lower cover 22 as an opening and closing part 212 by a zipper; the upper cover 21 comprises an opening and closing part 212 and a supporting part 211, wherein the opening and closing part 212 is hinged with the supporting part 211, the opening and closing part 212 is composed of three side walls, and two adjacent side walls are connected through nylon cloth; the upper cover 21 and the lower cover 22 are provided with tighteners at the opening/closing portion 212. The upper cover 21 and the lower cover 22 each include an inner liner made of cloth and an outer shell made of carbon fiber. The setting of tightener plays the effect of supplementary upper cover 21 and lower cover 22 of connecting, avoids opening the zip fastener when the article in the box 2 is too much, and the setting of portion 212 that opens and shuts is used for increasing the space of operation tightener when opening, makes things convenient for the operation tightener.

With reference to fig. 1-5, by tilting the storage box 2 toward the first steering wheel 4 or the second steering wheel 5, the rotation direction of the first steering wheel 4 and the second steering wheel 5 can be achieved by using the self gravity of the storage box 2 and the articles stored therein to enable the pulling piece 9 to pull the link rod 7, so that the rotation direction of the box 2 is convenient to operate and labor-saving.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.

Claims

1. The utility model provides a suitcase, includes pull rod (1) and box (2), characterized by: the box body (2) comprises a storage shell and a base (3) arranged at the bottom of the storage shell, and the pull rod (1) penetrates through the storage shell and is fixedly connected with the base (3);

the base (3) is arranged at one end close to the pull rod (1) to form an advancing part, a first steering wheel (4) and a second steering wheel (5) are hinged to two sides of the advancing part through shaft pins respectively, a connecting rod (7) is arranged between the first steering wheel (4) and the second steering wheel (5), two ends of the connecting rod (7) are hinged to the first steering wheel (4) and the second steering wheel (5) through shaft pins respectively, the first steering wheel (4) and the second steering wheel (5) are symmetrical about a central axis of the connecting rod (7), and a resetting device (8) for keeping centering when no external force is applied to the connecting rod (7) is arranged on the advancing part;

a poking groove (71) is formed in the connecting rod (7), a poking piece (9) inserted into the poking groove (71) is arranged at the advancing part, and the poking piece (9) is integrally arranged on the base (3);

the first steering wheel (4) comprises a hub (41), a rotating shaft (42) and a U-shaped bracket (43), one end of the rotating shaft (42) is coaxially and movably connected with the hub (41) through a bearing, the other end of the rotating shaft (42) is movably connected with one end of the U-shaped bracket (43) through a bearing, the end of the connecting rod (7) is hinged with the other end of the U-shaped bracket (43) through a shaft pin, and the U-shaped bracket (43) is hinged with the bottom end shaft pin of the advancing part; the structure of the second steering wheel (5) is the same as that of the first steering wheel (4).

2. The travel suitcase of claim 1, wherein: the position between the U-shaped parts for being hinged with the advancing parts is close to the connecting rod (7).

3. The travel suitcase of claim 1, wherein: the resetting device (8) comprises a torsion spring (81), a pressing plate (82) and a pin shaft (83), one end of the pin shaft (83) is fixedly connected with the advancing part, a spiral part (811) of the torsion spring (81) is sleeved on the pin shaft (83), two ends of the torsion spring (81) are inserted into the connecting rod (7), and the pressing plate (82) is fixedly connected with the free end of the pin shaft (83) through bolts.

4. A suitcase according to claim 3, wherein: the spiral part (811) of the torsion spring (81) is provided with two or more, and two adjacent spiral parts (811) are arranged in parallel.

5. The travel suitcase of any one of claims 1-4, wherein: the advancing part is recessed inwards, the connecting rod (7) and the resetting device (8) are both arranged in the recess, and the advancing part is connected with a cover plate (31) which covers the connecting rod (7) and the resetting device (8).

6. The travel suitcase of claim 5, wherein: the other end of the base (3) opposite to the advancing part is provided with a third steering wheel (6), and the third steering wheel (6), the second steering wheel (5) and the first steering wheel (4) are distributed in a triangle.

7. The travel suitcase of claim 6, wherein: the third steering wheel (6) comprises a three-fork support (61), a compression spring (62) and a roller (63), wherein the roller (63) is coaxially connected with a main shaft in a rotating mode, two fork rods in the three-fork support (61) are respectively hinged to shaft pins at two ends of the main shaft, the other fork rod is rotationally connected with the base (3), the lengths of the two fork rods connected with the main shaft are variable, and the compression spring (62) is sleeved on the two fork rods.

8. The travel suitcase of claim 7, wherein: the accommodating shell comprises an upper cover (21) and a lower cover (22), and the upper cover (21) and the lower cover (22) are spliced to form an accommodating cavity;

one side contact edge of the upper cover (21) is hinged with the lower cover (22), and the other side contact edges of the upper cover (21) are used as an opening and closing part (212) to be connected with the lower cover (22) through a zipper;

the upper cover (21) comprises an opening and closing part (212) and a supporting part (211), and the opening and closing part (212) is hinged with the supporting part (211);

the upper cover (21) and the lower cover (22) are provided with tighteners at the opening and closing part (212).

9. The travel suitcase of claim 8, wherein: the storage shell comprises an inner lining made of cloth and an outer shell made of carbon fiber.