CN212814878U - Extensible draw-bar box - Google Patents

Abstract

The utility model discloses an extensible draw-bar box, which comprises a base frame, the both sides at chassis top are the first mount of fixedly connected with and second mount respectively, fixedly connected with slide rail between first mount and the second mount, the quantity of slide rail is two, the top sliding connection of chassis has the first case that holds, the first rear end and the equal sliding connection of front end that hold the case have the slider. The utility model discloses a chassis, first mount, the second mount, a slide rail, first case, the slider, the roof, the second holds the case, a support, the universal wheel, the sleeve pipe, telescopic link and the cooperation of handle are used, can effectually solve current draw-bar box and be fixed volume, be difficult to carry the problem of more article in the use, this draw-bar box is through adjusting the position, thereby multiplicable placeable article's space, thereby can carry more article, especially great luggage, the person of facilitating the use uses.

Description

Extensible draw-bar box

Technical Field

The utility model relates to a draw-bar box technical field specifically is an extensible draw-bar box.

Background

The draw-bar box refers to the suitcase that has pull rod and universal wheel, because of its convenient to use and extensive use, simultaneously, the draw-bar box has also been put the pull rod because of the case, there is the branch of single tube pull rod and double-barrelled pull rod, the pipe of pull rod also has the branch of square pipe and pipe, in order to drag when conveniently walking, alleviate the burden greatly, the draw-bar box can be portable also can drag, the wheel of the draw-bar box that we used at ordinary times all is located the case bottom, the most volume of present draw-bar box is fixed, can not change the volume along with how much of carrying the article, if carry the article more then can not all pack into the box during travel, especially when needing to carry great article.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an extensible draw-bar box possesses extensible volumetric advantage, and it is fixed to have solved the most volumes of present draw-bar box, can not change the volume along with what of carrying the article, if carry the article more then can not all pack into the box during travel, especially need carry the problem in the time of great article.

In order to achieve the above object, the utility model provides a following technical scheme: an expandable draw-bar box comprises an underframe, wherein a first fixing frame and a second fixing frame are fixedly connected to two sides of the top of the underframe respectively, slide rails are fixedly connected between the first fixing frame and the second fixing frame, the number of the slide rails is two, a first accommodating box is slidably connected to the top of the underframe, slide blocks are slidably connected to the rear end and the front end of the first accommodating box respectively, the slide blocks are slidably connected with the slide rails, a top plate is fixedly connected to the top of one side of the first fixing frame, which is opposite to the second fixing frame, a second accommodating box is fixedly connected to the top of the top plate, a support is fixedly connected to the left side of the bottom of the first accommodating box and the right side of the bottom of the underframe respectively, universal wheels are movably connected to the bottom of the support through rotating shafts, a sleeve is fixedly connected to the right side of the second fixing frame, and an, the top of the telescopic rod is fixedly connected with a handle.

Preferably, the number of the sleeves is two, and the surface of the handle is sleeved with the anti-skidding sleeve.

Preferably, the first fixed surface that holds the case is connected with the stopper, the quantity of stopper is three, one side and the second mount contact of stopper.

Preferably, one side of the universal wheel is movably connected with a brake pad through a movable shaft, and one side of the brake pad extends to one side of the universal wheel.

Preferably, a zipper is slidably connected to the top of the second accommodating box, and the width of the first accommodating box is consistent with that of the second accommodating box.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a chassis, first mount, the second mount, a slide rail, first case, the slider, the roof, the second holds the case, a support, the universal wheel, the sleeve pipe, telescopic link and the cooperation of handle are used, can effectually solve current draw-bar box and be fixed volume, be difficult to carry the problem of more article in the use, this draw-bar box is through adjusting the position, thereby multiplicable placeable article's space, thereby can carry more article, especially great luggage, the person of facilitating the use uses.

2. The utility model discloses a set up the antiskid cover, can effectual increase point the frictional force with the handle contact to stability when more convenient to use person stimulates, through setting up the stopper, can play limiting displacement to the first case that holds, thereby avoided the first case that holds to produce the obscission, through setting up the brake block, can effectually carry out the locking to the universal wheel, thereby guarantee the stability under the quiescent condition, through setting up the zip fastener, can hold the case with the second and deposit article through upper portion.

Drawings

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

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the second fixing frame of the present invention.

In the figure: 1. a chassis; 2. a first fixing frame; 3. a second fixing frame; 4. a slide rail; 5. a first accommodating box; 6. a slider; 7. a top plate; 8. a second accommodating box; 9. a support; 10. a universal wheel; 11. a sleeve; 12. a telescopic rod; 13. a handle; 14. an anti-slip sleeve; 15. a limiting block; 16. a brake pad; 17. a zipper.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to be referred must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components adopted by the utility model are all universal standard components or components known by the technicians in the field, and the structure and the principle of the components are known by the technicians through technical manuals or conventional experimental methods.

Referring to fig. 1-3, an expandable draw-bar box comprises a chassis 1, wherein a first fixing frame 2 and a second fixing frame 3 are fixedly connected to two sides of the top of the chassis 1 respectively, a slide rail 4 is fixedly connected between the first fixing frame 2 and the second fixing frame 3, the number of the slide rails 4 is two, a first accommodating box 5 is slidably connected to the top of the chassis 1, a limiting block 15 is fixedly connected to the surface of the first accommodating box 5, the number of the limiting blocks 15 is three, one side of the limiting block 15 is in contact with the second fixing frame 3, a slide block 6 is slidably connected to both the rear end and the front end of the first accommodating box 5, the slide block 6 is slidably connected to the slide rail 4, a top plate 7 is fixedly connected to the top of the opposite side of the first fixing frame 2 and the second fixing frame 3, a second accommodating box 8 is fixedly connected to the top of the top plate 7, a zipper 17 is slidably connected to the top of the second accommodating box 8, the width of the first accommodating, the left side of the bottom of the first accommodating box 5 and the right side of the bottom of the chassis 1 are both fixedly connected with a support 9, the bottom of the support 9 is movably connected with a universal wheel 10 through a rotating shaft, one side of the universal wheel 10 is movably connected with a brake block 16 through a movable shaft, one side of the brake block 16 extends to one side of the universal wheel 10, the right side of the second fixing frame 3 is fixedly connected with a sleeve 11, the number of the sleeve 11 is two, the surface of a handle 13 is sleeved with an anti-slip sleeve 14, the inner cavity of the sleeve 11 is slidably connected with a telescopic rod 12, the top of the telescopic rod 12 is fixedly connected with a handle 13, through the arrangement of the anti-slip sleeve 14, the friction force of fingers contacting with the handle 13 can be effectively increased, so that a user can more conveniently pull the first accommodating box 5 stably, through the arrangement of a limiting block 15, the limiting effect can be achieved on, can be effectual carry out the locking to universal wheel 10, thereby guarantee stability under the quiescent condition, through setting up zip fastener 17, can hold case 8 with the second and deposit article through upper portion, through chassis 1, first mount 2, second mount 3, slide rail 4, first case 5 that holds, slider 6, roof 7, the second holds case 8, support 9, universal wheel 10, sleeve pipe 11, telescopic link 12 and handle 13's cooperation is used, can effectually solve current draw-bar box and be fixed volume, be difficult to carry the problem of more article in the use, this draw-bar box is through adjusting the position, thereby the space of multiplicable placeable article, thereby can carry more article, especially great luggage, the person of facilitating the use uses.

During the use, when user adjustment space, only need outwards stimulate first case 5 that holds, under the effect of slider 6 and slide rail 4, can make first case 5 that holds shift out fast, simultaneously because stopper 15's limiting displacement has guaranteed stability, at the first position that holds between case 5 and the second mount 3, the user can deposit more article to need through the rope fixed can.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An expandable draw-bar box, includes chassis (1), its characterized in that: the two sides of the top of the chassis (1) are respectively fixedly connected with a first fixing frame (2) and a second fixing frame (3), a sliding rail (4) is fixedly connected between the first fixing frame (2) and the second fixing frame (3), the number of the sliding rails (4) is two, the top of the chassis (1) is slidably connected with a first containing box (5), the rear end and the front end of the first containing box (5) are respectively slidably connected with a sliding block (6), the sliding blocks (6) are slidably connected with the sliding rails (4), the top of one side, opposite to the first fixing frame (2) and the second fixing frame (3), of the first fixing frame (2) is fixedly connected with a top plate (7), the top of the top plate (7) is fixedly connected with a second containing box (8), the left side of the bottom of the first containing box (5) and the right side of the bottom of the chassis (1) are respectively fixedly connected with a support (9), and the bottom of the support (9) is movably connected, the right side fixedly connected with sleeve pipe (11) of second mount (3), the inner chamber sliding connection of sleeve pipe (11) has telescopic link (12), the top fixedly connected with handle (13) of telescopic link (12).

2. The expandable draw-bar box of claim 1, wherein: the number of the sleeves (11) is two, and the surface of the handle (13) is sleeved with an anti-skidding sleeve (14).

3. The expandable draw-bar box of claim 1, wherein: the first fixed surface who holds case (5) is connected with stopper (15), the quantity of stopper (15) is three, one side and the contact of second mount (3) of stopper (15).

4. The expandable draw-bar box of claim 1, wherein: one side of universal wheel (10) has brake block (16) through loose axle swing joint, one side of brake block (16) extends to one side of universal wheel (10).

5. The expandable draw-bar box of claim 1, wherein: the top of the second containing box (8) is connected with a zipper (17) in a sliding mode, and the width of the first containing box (5) is consistent with that of the second containing box (8).

Images