CN216358361U - Pull rod luggage structure with high placement stability - Google Patents

Abstract

The utility model belongs to the technical field of draw-bar luggage and discloses a draw-bar luggage structure with high placement stability, which comprises a luggage body and universal wheels, wherein a fixed plate is fixedly arranged at the bottom of the luggage body, a clamping groove is formed in the fixed plate, a second spring and a magnet are movably sleeved in the clamping groove, a connecting mechanism is fixedly arranged on the back surface of the fixed plate, the fixed plate is movably connected with a reset plate through the connecting mechanism, and the back surface of the reset plate is fixedly connected with a pedal. The first spring is used for pressing the telescopic column, so that the telescopic column presses the reset plate, the pressure of the reset plate, the movable plate and the attaching plate on the ground is maintained to maintain the friction force, the pedal can drive the reset plate to move upwards and reset under the action of a user, the convex column is driven to be clamped into the clamping groove again, and the magnetic attraction of the magnet on the convex column is utilized to maintain the reset stability of the reset plate after the reset plate moves upwards.

Description

Pull rod luggage structure with high placement stability

Technical Field

The utility model belongs to the technical field of draw-bar luggage, and particularly relates to a draw-bar luggage structure with high placement stability.

Background

The draw-bar box refers to a luggage case with a draw-bar structure, which is a necessary article for going out on a trip, and the draw-bar box can accommodate daily necessities when going out, so that people really do not worry about one bag in hand and in the sky, and the bottom of the draw-bar box is provided with four outward wheels, thereby improving the flexibility.

The existing trolley luggage structure is not stable enough when standing up due to the existence of the universal wheels, and is easy to move on a smooth road surface, and the articles placed in the existing trolley luggage cannot be stored in order, so that the overall stress condition of the trolley luggage is biased, the universal wheels only can provide mobility, and the stability of the trolley luggage cannot be increased.

Meanwhile, according to data statistics, the damaged parts of most of the trolley luggage structures are universal wheels, the damaged parts of the universal wheels are not the wheels, but the universal wheels and the luggage are connected, and due to the fact that the universal wheels are connected with the luggage through bolts in a fixed mode, stress points of the universal wheel connection parts are single, uniform component force cannot be achieved, and high damage rate of the universal wheels is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a trolley luggage structure with high placement stability, which has the advantages of high stability and good protection effect.

In order to achieve the purpose, the utility model provides the following technical scheme: a trolley luggage structure with high placement stability comprises a luggage body and universal wheels, wherein a fixed plate is fixedly mounted at the bottom of the luggage body, a clamping groove is formed in the fixed plate, a second spring and a magnet are movably sleeved in the clamping groove, a connecting mechanism is fixedly mounted on the back surface of the fixed plate, the fixed plate is movably connected with a reset plate through the connecting mechanism, a pedal is fixedly connected to the back surface of the reset plate, a movable plate is fixedly connected to the bottom of the reset plate, and the universal wheels are arranged at four corners of the bottom of the luggage body;

this draw-bar box is the most common when using just stands the box at the in-process of waiting, at this moment, in order to increase the vertical stability of placing of box, press the footboard downwards with foot or hand, drive the board that resets and movable plate downstream, make the projection break away from the inside of draw-in groove and remove magnetism with the magnetite and inhale and be connected, it rotates to drive coupling mechanism, along with the board that resets and movable plate downstream, a spring can promote flexible post to the outside, make the board of laminating when contacting ground, a spring expandes completely and maintains the flexible post after vertical distribution, can increase the frictional force between box and the bottom surface after board of laminating and ground contact, thereby the stability of box when placing has been improved.

Through being provided with the board that resets, thereby movable plate and laminating board are through the frictional force between increase box and the ground contact after the lapse, thereby make the box can not remove easily under the effect of universal wheel, promote flexible post to the outside through being provided with a spring, make flexible post along with the lapse that resets the board take place to rotate, exert pressure to flexible post through a spring, make flexible post exert pressure to the board that resets, thereby keep resetting the board, the movable plate and laminating board are to the pressure on ground in order to maintain frictional force, and the footboard then can drive the board that resets and shift up and reset under user's effect, drive the inside that the projection joint got into the draw-in groove again, and utilize the magnetism of magnetite to the projection to keep the board that resets the stability that resets after last moved.

According to a preferred technical scheme, mounting grooves are formed in four corners of the bottom of the box body, mounting holes are formed in the inner walls of the mounting grooves, mounting columns are movably clamped inside the mounting holes, a connecting plate is fixedly connected to the other ends of the mounting columns, a transfer plate is fixedly mounted on the outer surface of the connecting plate, a connecting column is fixedly mounted at the bottom of the transfer plate, and universal wheels are fixedly mounted at the bottom of the connecting column;

through seting up the mounting hole that trilateral distributes and carry out the adaptation joint with corresponding erection column, when connecting plate installation joint gets into the inside of mounting groove, make the three face of straightening of connecting plate and the inside three face in close contact with that straightens of mounting groove, when the box is exerted pressure to the universal wheel, transmit pressure to the surface of erection column through the mounting hole, and the quantity of erection column is numerous, can be with pressure evenly distributed, thereby avoid the unbalanced problem of connecting plate pressurized, the damage of connecting plate has been avoided.

As a preferred technical scheme of the utility model, the connecting mechanism comprises an accommodating column, a telescopic column and a first spring, the telescopic column and the first spring are movably sleeved in the accommodating column, the telescopic column is elastically supported by the first spring, the other end of the accommodating column is movably hinged to the back of the fixed plate, and the other end of the telescopic column is movably hinged to the back of the movable plate; the connecting mechanism is responsible for connecting the fixed plate and the board that resets, maintains the pressure supply of the board that resets after moving down, resets the power that shifts up, and a spring then can be through exerting pressure to flexible post and with pressure transmission to the board that resets above, maintains the pressure of laminating board to ground, improves frictional force.

As a preferred technical scheme of the utility model, a convex column is arranged at the top of the reset plate, the convex column is movably clamped in the clamping groove and is magnetically attracted with a magnet, and two ends of the second spring are respectively elastically connected with the box body and the magnet; the convex column is used for clamping and entering the inside of the clamping groove, and when the magnet is magnetically connected with the convex column, the second spring is stretched and provides upward supporting force.

As a preferred technical scheme of the utility model, the bottom of the moving plate is fixedly connected with an attaching plate, and the bottom of the attaching plate is in a wave-shaped design; the laminating board is the block rubber, can make its furthest laminate ground through compressible deformation's characteristic, increases frictional force.

As a preferred technical scheme of the utility model, the number of the connecting mechanisms is two and the connecting mechanisms are distributed in a shape like a Chinese character 'ba'; as shown in fig. 2, the two connecting mechanisms are arranged in an inverted "eight" shape, and the connecting mechanisms can provide connection for the fixing plate and the reset plate.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the reset plate, the movable plate and the attaching plate are arranged to move downwards, and then contact with the ground, so that the friction force between the box body and the ground is increased, the box body cannot easily move under the action of the universal wheels, the telescopic column is pushed outwards by the first spring, the telescopic column rotates along with the downward movement of the reset plate, the first spring applies pressure to the telescopic column, so that the telescopic column applies pressure to the reset plate, the pressure of the reset plate, the movable plate and the attaching plate to the ground is maintained, the friction force is maintained, the pedal can drive the reset plate to move upwards and reset under the action of a user, the convex column is driven to be clamped into the clamping groove again, and the magnetic attraction of the magnet to the convex column is utilized to maintain the reset stability of the reset plate after the reset plate moves upwards.

2. According to the utility model, the mounting holes with three distributed surfaces are formed and are in adaptive clamping connection with the corresponding mounting columns, when the connecting plate is installed and clamped in the mounting groove, the three straight surfaces of the connecting plate are in tight contact with the three straight surfaces in the mounting groove, when the box body applies pressure to the universal wheel, the pressure is transmitted to the outer surfaces of the mounting columns through the mounting holes, and the mounting columns are numerous, so that the pressure can be uniformly distributed, the problem of unbalanced pressure of the connecting plate is avoided, and the damage of the connecting plate is avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic rear view of a structure according to the present invention;

FIG. 3 is a schematic diagram of the movable plate, the fixed plate, the reset plate, the protruding column, the pedal, the connecting mechanism and the attaching plate according to the present invention;

FIG. 4 is a side cutaway schematic view of the structure of the present invention;

FIG. 5 is a bottom perspective view of the structure of the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 5 at A in accordance with the present invention;

FIG. 7 is a schematic illustration of the separation of the roll plate, connecting post, universal wheel, connecting plate and mounting post of the present invention.

In the figure: 1. a box body; 2. a transfer plate; 3. moving the plate; 4. connecting columns; 5. a universal wheel; 6. a fixing plate; 7. a reset plate; 71. a convex column; 8. a pedal; 9. a connecting mechanism; 91. a receiving post; 92. a telescopic column; 93. a first spring; 10. attaching a plate; 11. a card slot; 12. a second spring; 13. a magnet; 14. mounting grooves; 15. mounting holes; 16. a connecting plate; 17. and (6) mounting the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 7, the utility model provides a trolley luggage structure with high placement stability, which comprises a luggage body 1 and universal wheels 5, wherein a fixed plate 6 is fixedly installed at the bottom of the luggage body 1, a clamping groove 11 is formed in the fixed plate 6, a second spring 12 and a magnet 13 are movably sleeved in the clamping groove 11, a connecting mechanism 9 is fixedly installed on the back surface of the fixed plate 6, the fixed plate 6 is movably connected with a reset plate 7 through the connecting mechanism 9, a pedal 8 is fixedly connected to the back surface of the reset plate 7, a movable plate 3 is fixedly connected to the bottom of the reset plate 7, and the universal wheels 5 are arranged at four corners of the bottom of the luggage body 1;

this draw-bar box is the most common just stands box 1 in the in-process of waiting when using, this moment, in order to increase the vertical stability of placing of box 1, press down footboard 8 with foot or hand (if convenient), drive reset plate 7 and movable plate 3 downstream, make projection 71 break away from the inside of draw-in groove 11 and remove magnetism with magnetite 13 and inhale the connection, drive coupling mechanism 9 and rotate, along with reset plate 7 and movable plate 3 downstream, spring 93 can outside promotion flexible post 92, make rigging board 10 when contacting ground, spring 93 expandes completely and maintains the flexible post 92 after vertical distribution, can increase the frictional force between box 1 and the bottom surface after rigging board 10 and ground contact, thereby the stability of box 1 when placing has been improved.

Through being provided with reset plate 7, thereby movable plate 3 and rigging board 10 are through the frictional force between the increase box 1 and the ground with the ground contact after the lapse, make box 1 can not remove easily under the effect of universal wheel 5, promote flexible post 92 to the outside through being provided with a spring 93, make flexible post 92 rotate along with the lapse of reset plate 7, exert pressure to flexible post 92 through a spring 93, make flexible post 92 exert pressure to reset plate 7, thereby keep reset plate 7, movable plate 3 and rigging board 10 are to the pressure on ground in order to maintain frictional force, and footboard 8 then can drive reset plate 7 and move up and reset under user's effect, drive the inside that boss 71 joint got into draw-in groove 11 again, and utilize magnetite 13 to the magnetic attraction of boss 71 to keep reset plate 7 the stability that resets after last moving.

The four corners of the bottom of the box body 1 are respectively provided with a mounting groove 14, the inner wall of each mounting groove 14 is provided with a mounting hole 15, the inside of each mounting hole 15 is movably clamped with a mounting column 17, the other end of each mounting column 17 is fixedly connected with a connecting plate 16, the outer surface of each connecting plate 16 is fixedly provided with a transit plate 2, the bottom of each transit plate 2 is fixedly provided with a connecting column 4, and the bottom of each connecting column 4 is fixedly provided with a universal wheel 5;

through seting up mounting hole 15 that has trilateral distribution and carry out the adaptation joint with corresponding erection column 17, when connecting plate 16 installation joint gets into the inside of mounting groove 14, make the three straight face of connecting plate 16 and the inside three face in close contact with that directly of mounting groove 14, when box 1 pressurizes universal wheel 5, transmit pressure to erection column 17's surface through mounting hole 15, and the quantity of erection column 17 is numerous, can be with pressure evenly distributed, thereby avoid the unbalanced problem of connecting plate 16 atress, the damage of connecting plate 16 has been avoided.

The connecting mechanism 9 comprises an accommodating column 91, a telescopic column 92 and a first spring 93, the telescopic column 92 and the first spring 93 are movably sleeved in the accommodating column 91, the telescopic column 92 is elastically supported by the first spring 93, the other end of the accommodating column 91 is movably hinged to the back of the fixed plate 6, and the other end of the telescopic column 92 is movably hinged to the back of the movable plate 3; the connecting mechanism 9 is responsible for connecting the fixed plate 6 and the reset plate 7, and maintains the pressure supply and the reset power of the reset plate 7 after moving downwards, and the first spring 93 can maintain the pressure of the attaching plate 10 on the ground and improve the friction force by applying pressure to the telescopic column 92 and transmitting the pressure to the upper surface of the reset plate 7.

Wherein, the top of the reset plate 7 is provided with a convex column 71, the convex column 71 is movably clamped inside the clamping groove 11 and is magnetically attracted with the magnet 13, and two ends of the second spring 12 are respectively elastically connected with the box body 1 and the magnet 13; the convex column 71 is in charge of being clamped into the inside of the clamping groove 11, and when the magnet 13 is magnetically connected with the convex column 71, the second spring 12 is stretched and provides upward supporting force.

Wherein, the bottom of the moving plate 3 is fixedly connected with an attaching plate 10, and the bottom of the attaching plate 10 is in a wave-shaped design; the attaching plate 10 is a rubber block, and can be attached to the ground to the maximum extent through the characteristic of compressible deformation, so that the friction force is increased.

Wherein, the number of the connecting mechanisms 9 is two and is distributed in a shape of a Chinese character 'ba'; as shown in fig. 2, the two connecting mechanisms 9 are arranged in an inverted "eight" shape, and the connecting mechanism 9 can provide connection for the fixing plate 6 and the restoring plate 7.

The working principle and the using process of the utility model are as follows:

when the trolley luggage is used, the box body 1 is most commonly erected in the waiting process, at the moment, in order to increase the vertical placing stability of the box body 1, the pedal 8 is pressed downwards by feet or hands if convenient, the reset plate 7 and the movable plate 3 are driven to move downwards, the convex columns 71 are separated from the inside of the clamping grooves 11 and are in magnetic attraction connection with the magnets 13, the connecting mechanism 9 is driven to rotate, the first springs 93 push the telescopic columns 92 outwards along with the downward movement of the reset plate 7 and the movable plate 3, so that when the attaching plate 10 contacts the ground, the first springs 93 are completely unfolded and maintain the vertically distributed telescopic columns 92, and when the attaching plate 10 contacts the ground, the friction force between the box body 1 and the bottom surface can be increased, so that the placing stability of the box body 1 is improved;

when the box body 1 presses the universal wheel 5, the pressure is transmitted to the outer surface of the mounting column 17 through the mounting hole 15, the mounting columns 17 are numerous, and the pressure can be uniformly distributed, so that the problem that the connecting plate 16 is unbalanced in pressure is avoided, and the connecting plate 16 is prevented from being damaged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a pull rod case and bag structure that placement stability is high, includes box (1) and universal wheel (5), its characterized in that: the bottom fixed mounting of box (1) has fixed plate (6), draw-in groove (11) have been seted up to the inside of fixed plate (6), No. two spring (12) and magnetite (13) have been cup jointed in the inside activity of draw-in groove (11), the back fixed mounting of fixed plate (6) has coupling mechanism (9), fixed plate (6) have reset plate (7) through coupling mechanism (9) swing joint, the back fixedly connected with footboard (8) of reset plate (7), the bottom fixedly connected with movable plate (3) of reset plate (7), the four corners department of box (1) bottom all is provided with universal wheel (5).

2. The trolley luggage structure with high placement stability as recited in claim 1, wherein: mounting groove (14) have all been seted up to the four corners department of box (1) bottom, mounting hole (15) have been seted up to the inner wall of mounting groove (14), the inside activity joint of mounting hole (15) has erection column (17), the other end fixedly connected with connecting plate (16) of erection column (17), the fixed surface of connecting plate (16) installs transit plate (2), the bottom fixed mounting of transit plate (2) has spliced pole (4), the bottom fixed mounting of spliced pole (4) has universal wheel (5).

3. The trolley luggage structure with high placement stability as recited in claim 1, wherein: coupling mechanism (9) are including holding post (91), flexible post (92) and spring (93), the inside activity that holds post (91) has cup jointed flexible post (92) and spring (93), flexible post (92) are through spring (93) elastic support, the other end activity that holds post (91) articulates in the back of fixed plate (6), the other end activity of flexible post (92) articulates in the back of movable plate (3).

4. The trolley luggage structure with high placement stability as recited in claim 1, wherein: the top of reset plate (7) is equipped with projection (71), projection (71) activity joint in the inside of draw-in groove (11) and with magnetite (13) magnetism inhale and be connected, the both ends of No. two spring (12) respectively with box (1) and magnetite (13) elastic connection.

5. The trolley luggage structure with high placement stability as recited in claim 1, wherein: the bottom fixedly connected with rigging board (10) of movable plate (3), the bottom of rigging board (10) is the wave design.

6. The trolley luggage structure with high placement stability as recited in claim 1, wherein: the number of the connecting mechanisms (9) is two and the connecting mechanisms are distributed in a shape like a Chinese character 'ba'.

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