CN201131400Y - Trolley type travel suitcase - Google Patents

Abstract

A cart-type traveling case, comprising: the bottom of the box body is provided with a plurality of rotatable movable rollers; the pull rod assembly is arranged on the back of the box body and comprises two outer pipes, a cross shaft, two pull rods and a grab handle, wherein the outer pipes are arranged on the box body, the cross shaft is arranged between the two outer pipes, and a clasp is arranged on the cross shaft; a foot rest assembly arranged on the back of the box body and the pull rod assembly and comprising two foot rests, a linkage rod, two movable rollers, two rear connecting rods and two front connecting rods, wherein the foot rests are pivoted on the outer pipe, and the linkage rod is arranged between the two foot rests and can be buckled by a clasp; the design of the clasp and the linkage rod enables a user to conveniently fold the foot rest.

Description

trolley suitcase

technical field

The utility model belongs to a suitcase, in particular to a trolley-type suitcase, which can be easily and firmly pushed by the user, and can ensure that the suitcase is within the user's line of sight to prevent people from stealing the suitcase. thing.

Background technique

Suitcases are often used in long-distance travel to facilitate the carrying of required items. Because most of the suitcases are not small in size, and they are heavy and difficult to move after loading items, many suitcases are set on the flat bottom of the box. With four rollers, the suitcase can move smoothly on the ground. In addition, there is a pull bar at the back of the suitcase for the user to pull the suitcase. When the suitcase is pulled, the suitcase is tilted so that the two rollers at the back touch the ground Roll while the other two scroll wheels are free.

In an environment with poor law and order, passengers will want the suitcase to be in their line of sight to avoid unscrupulous people from stealing the contents of the suitcase. It is not easy to move the suitcase when only two rollers are on the ground, and when the user moves the suitcase, only two rollers are on the ground, so the hand must be used to control the inclination and direction. It is not easy for people and children to move the suitcase.

Utility model content

According to the shortcomings of existing suitcases that cannot be easily and stably moved, the inventor improves the disadvantages and defects, and then creates a trolley-type suitcase.

The main purpose of the utility model is to provide a trolley-type suitcase, whereby the suitcase can be located in the sight of passengers to prevent people from stealing the contents of the suitcase. In addition, when the suitcase is pushed backwards, the center of gravity is stable , the user only needs to apply forward pushing force without applying upward or downward force.

For reaching above-mentioned purpose, the utility model pushcart type suitcase comprises:

A box, the bottom of which is provided with a plurality of rotatable movable rollers;

A pull rod assembly is arranged on the back of the box and includes two outer tubes, a horizontal shaft, two pull rods and a handle. The way of rotation is set between the two outer tubes and close to the bottom of the box body. On the horizontal axis, a link pin is arranged horizontally on the section located in one of the outer tubes. On the horizontal axis, there is another clasp. There is a positioning torsion spring. One end of the positioning torsion spring is fixed on the hook, and the other end is fixed on the horizontal shaft. These pull rods are installed in the outer tube and can protrude upwards. The bottom end of one of the pull rods can be pressed against the linkage pin for further rotation. The horizontal axis, the handle is arranged on the top of the two pull rods; and

A tripod assembly is arranged on the back of the box body and the pull rod assembly, and includes a horizontal fixed frame, a pivot, a bipod, a linkage rod, two movable rollers, two rear connecting rods and two front connecting rods. The horizontal fixing frame is arranged on the two outer tubes, the pivot is arranged on the horizontal fixing frame in a rotatable manner, and these tripods respectively protrude outward from the pivot shaft, the linkage rod is arranged between the two tripods, And can be buckled by the clasp, these movable rollers are respectively pivotally arranged on the bottom ends of these tripods in a rotatable manner, the rear ends of these rear connecting rods are pivotally arranged on the linkage rods, and the front ends of these front connecting rods are pivotally arranged on the on the horizontal axis, and the rear ends are respectively pivotally arranged on the front ends of these rear connecting rods.

With the above-mentioned technical means, when the front and rear connecting rods are unfolded, the tripod can be stretched back, and the upper end of the box body can be tilted backward, and at the same time, the pull rod can be stretched out obliquely rearward, which is convenient for the user to hold the handle and push the travel forward In this way, the user can easily push the suitcase, keep the suitcase in their sight, and prevent people from stealing the contents of the suitcase. In addition, when the suitcase is pushed, it leans backward and the center of gravity falls on the tripod and the box body stably Between the two rear rollers, there will be no further forward or backward tilt, so the user only needs to apply forward force without applying upward or downward force to stabilize the suitcase. Compared with pulling the traditional suitcase, the labor saving of the suitcase is 90%. In addition, when the tripod is folded, the user only needs to push the linkage rod forward so that the clasp can hook the linkage rod. The torsion spring is connected, so the clasp can firmly fasten the linkage rod to prevent the tripod from protruding out by itself.

A resetting torsion spring is arranged on the aforementioned horizontal shaft, one end of the resetting torsion spring is fixed on the horizontal shaft, and one end is fixed on one of the outer tubes, so as to generate elastic force, so that the interlocking pin can be rotated to a position relative to the The specific angle of the outer tube.

A lock is arranged on one of the aforementioned outer tubes, and the lock can buckle the linkage rod to prevent the tripod from protruding out by itself.

A roller is respectively arranged at the bottom of each of the aforementioned outer tubes.

A roller frame that can pivot forward and backward is pivotally arranged at the back of the bottom of the aforementioned box body, and a part of the movable rollers at the bottom of the aforementioned box body is arranged at the bottom of the roller frame. In addition, a linkage assembly is arranged between the tripod assembly and the roller frame , and includes a supporting rod and two connecting rods, the supporting rod is arranged between the two tripods, the top ends of each connecting rod are respectively pivoted on the supporting rods, and the bottom ends are pivoted on the roller frame, whereby the tripod stretches When going out, the roller frame can be driven to pivot backward.

Description of drawings

Fig. 1 is a perspective view of the first embodiment of the utility model.

Fig. 2 is a schematic diagram of the operation of the unfolded tripod assembly of the first embodiment of the present invention.

Fig. 3 is a schematic diagram of folding of the first embodiment of the utility model following Fig. 2 .

Fig. 4 is a complete folded schematic diagram of the first embodiment of the present invention following Fig. 3 .

Fig. 5 is a perspective view of the second embodiment of the utility model.

Fig. 6 is a schematic side view of the unfolded tripod assembly of the second embodiment of the present invention.

Fig. 7 is a schematic diagram of the folding of the second embodiment of the present invention continued from Fig. 6 .

[Description of main component symbols]

(10) Cabinet (11) Movable rollers

(12) Roller frame (20) Tie rod assembly

(21) Outer tube (211) Lock

(22) Pull rod (223) Handle

(25) Horizontal shaft (26) Buckle

(27) Positioning torsion spring (29) Linkage pin

(30) Tripod assembly (31) Horizontal fixing frame

(32) Pivot (33) Tripod

(35) Movable roller (36) Linkage rod

(37) Rear connecting rod (38) Front connecting rod

(40) Linkage component (41) Support rod

(42) Connecting rod

Detailed ways

Please refer to FIGS. 1-4 , the first embodiment of the trolley suitcase of the present invention includes: a box body 10 , a pull rod assembly 20 and a tripod assembly 30 .

The bottom of the box body 10 is provided with a plurality of rotatable movable rollers 11 .

The pull rod assembly 20 is arranged on the back of the box body, and includes two outer tubes 21, a transverse shaft 25, two pull rods 22, and a handle 223; these outer tubes 21 are hollow, and are arranged on the back of the box body 10 and are close to both sides respectively. , the bottom of each outer tube 21 is respectively provided with a roller 23; the horizontal axis 25 is rotatably arranged between the two outer tubes 21 and close to the bottom of the box body 10, on the horizontal axis 25 is located in the section of one of the outer tubes 21 An interlocking pin 29 is arranged transversely through the top, and a clasp 26 is additionally provided on the transverse axis 25. A positioning torsion spring 27 is arranged on the clasp 26. One end of the positioning torsion spring 27 is fixed on the clasp 26, and the other end is fixed on the clasp 26. On the horizontal shaft 25; these pull rods 22 are perforated in the outer tube 21 and can protrude upwards, and the bottom end of one of the pull rods 22 can be against the linkage pin 29 to further rotate the horizontal shaft 25; the handle 223 is arranged on the two pull rods 22 top.

The tripod assembly 30 is arranged on the back of the box body 10 and the pull rod assembly 20, and includes a horizontal fixed frame 31, a pivot 32, a bipod 33, a linkage rod 36, two movable rollers 35, and two rear connecting rods. 37 and two front connecting rods 38; the horizontal fixed frame 31 is arranged on the two outer tubes 21; the pivot 32 is rotatably arranged on the horizontal fixed frame 31; these tripods 33 are respectively outward from the pivot 32 Stretch; This linkage bar 36 is arranged between two legs 33; And can be buckled by clasp 26; These movable rollers 35 are pivotally arranged on these legs 35 bottoms in a rotatable manner respectively; These rear connecting rods The rear end of 37 is pivotally arranged on the linkage rod 36; the front ends of these front connecting rods 38 are pivotally arranged on the transverse shaft 25, and the rear ends are respectively pivotally arranged on the front ends of these rear connecting rods 37.

In addition, a reset torsion spring 28 is arranged on the horizontal shaft 25. One end of the reset torsion spring 28 is fixed on the horizontal shaft 25, and the other end is fixed on one of the outer tubes 21, thereby generating elastic force so that the interlocking pin 25 is not subjected to external force. It can be rotated to a specific angle relative to the outer tube 21.

Preferably, one of the outer tubes 21 is provided with a lock 211 , and the lock 211 can buckle the linkage rod 36 to prevent the stand 33 from protruding out by itself.

Please refer to Figs. 5-7, the second embodiment of the present utility model is roughly the same as the first embodiment, except that the bottom of the box body 10 is pivotally provided with a roller frame 12 that can pivot back and forth, and the bottom of the box body 10 is movable. A part of the roller 11 is arranged on the bottom of the roller frame 12 .

In addition, the second embodiment further includes a linkage assembly 40 .

The linkage assembly 40 is arranged between the tripod assembly 30 and the roller frame 12, and includes a support rod 41 and two connecting rods 42; It is arranged on the supporting rod 41 and the bottom end is pivotally arranged on the roller frame 12 , so that when the tripod 33 is stretched out, it can drive the roller frame 12 to pivot backward.

By means of the above-mentioned technical means, when the front and rear connecting rods 37, 38 are deployed, the tripod 33 can be stretched back and the bottom end touches the ground, so that the upper end of the box body 10 is tilted backward, and the pull rod 22 stretches out towards the oblique rear at the same time, which is convenient. The user holds the handle 223 and pushes the suitcase forward, thereby, the user can easily push the suitcase, keep the suitcase in his sight, and prevent people from stealing the contents of the suitcase.

In addition, since the suitcase is pushed backwards and the center of gravity falls between the tripod 33 and the two rear rollers 11 of the box body 10 stably, it will not lean forward or backward further, so the user only needs to push it forward Therefore, compared with pulling the traditional suitcase, pushing the suitcase of the utility model can save labor by 90%.

In addition, when the tripod is folded, the user only needs to push the linkage rod 36 on the tripod 33 forward, so that the clasp 26 hooks the linkage rod 36. Since the clasp 26 is connected with the positioning torsion spring 27, the clasp The linkage rod 36 can be firmly fastened to prevent the tripod 33 from protruding outward by itself.

Claims (7)

1. A kind of trolley suitcase, it is characterized in that, it comprises: A box, the bottom of which is provided with a plurality of rotatable movable rollers; A pull rod assembly is arranged on the back of the box and includes two outer tubes, a horizontal shaft, two pull rods and a handle. The way of rotation is set between the two outer tubes and close to the bottom of the box body. On the horizontal axis, a link pin is arranged horizontally on the section located in one of the outer tubes. On the horizontal axis, there is another clasp. There is a positioning torsion spring. One end of the positioning torsion spring is fixed on the hook, and the other end is fixed on the horizontal shaft. These pull rods are installed in the outer tube and can protrude upwards. The bottom end of one of the pull rods can be pressed against the linkage pin for further rotation. The horizontal axis, the handle is arranged on the top of the two pull rods; and A tripod assembly is arranged on the back of the box body and the pull rod assembly, and includes a horizontal fixed frame, a pivot, a bipod, a linkage rod, two movable rollers, two rear connecting rods and two front connecting rods. The horizontal fixing frame is arranged on the two outer tubes, the pivot is arranged on the horizontal fixing frame in a rotatable manner, and these tripods respectively protrude outward from the pivot shaft, the linkage rod is arranged between the two tripods, And can be buckled by the clasp, these movable rollers are respectively pivotally arranged on the bottom ends of these tripods in a rotatable manner, the rear ends of these rear connecting rods are pivotally arranged on the linkage rods, and the front ends of these front connecting rods are pivotally arranged on the on the horizontal axis, and the rear ends are respectively pivotally arranged on the front ends of these rear connecting rods. 2. The trolley-type suitcase as claimed in claim 1, wherein a return torsion spring is arranged on the horizontal axis, one end of the return torsion spring is fixed on the horizontal axis, and one end is fixed on one of the outer tubes, by This produces elastic force, so that the link pin can rotate to a specific angle relative to the outer tube when no external force is applied. 3 . The trolley-type suitcase as claimed in claim 1 , wherein a lock is provided on an outer tube, and the lock can buckle the linkage rod to prevent the tripod from protruding by itself. 4 . 4. The trolley-type suitcase as claimed in claim 2, wherein a lock is provided on an outer tube, and the lock can buckle the linkage rod to prevent the tripod from protruding out by itself. 5. The trolley-type suitcase as claimed in claim 1, wherein a roller is provided at the bottom of each outer tube. 6. The trolley-type suitcase as claimed in claim 4, wherein a roller is provided at the bottom of each outer tube. 7. The trolley-type suitcase as claimed in claim 1, wherein a roller frame that can pivot back and forth is pivotally arranged at the back of the bottom of the box body, and a part of the movable rollers at the bottom of the box body is arranged on the roller frame At the bottom, in addition, a linkage assembly is arranged between the tripod assembly and the roller frame, and includes a support rod and two connecting rods. and the bottom end is pivotally arranged on the roller frame, whereby the roller frame can be driven to pivot backward when the tripod is stretched out.

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