CN213344621U - Can increase capacity double-deck zip fastener's draw-bar box - Google Patents

Abstract

The utility model discloses a but draw-bar box of double-deck zip fastener of increase-volume, including the box, the one end fixed connection of box bottom surface outer wall and shaft, and the other end and the pulley inside wall sliding connection of shaft, the box lateral wall is pegged graft and is had chain belt A, and chain belt A intermediate position is pegged graft and is had chain A, and the box surface is seted up flutedly, and the recess inside wall links up there is the axis of rotation. The chain belt B is connected to the lower position of the chain belt A and made of a cloth belt material with a telescopic function. The utility model discloses a stimulate chain head A along chain A and can chain belt A open and shut, can drive the box and receive and open under chain head B along the gliding effect of chain B after that, realized can freely adjusting the size of draw-bar box capacity, thereby the rethread rotates the horizontal pole along the connecting axle and breaks away from the bail and can realize the slope of pull rod and stimulate fast when the article of box inside are too much, user's burden has been reduced, device simple structure and practicality are strong, be fit for being extensively promoted and used.

Description

Can increase capacity double-deck zip fastener's draw-bar box

Technical Field

The utility model relates to a draw-bar box, in particular to draw-bar box of double-deck zip fastener of increase-volume.

Background

A trolley case refers to a luggage case having a trolley and rollers. It is widely used because of its convenient use. Meanwhile, the draw-bar box is also provided with a draw bar which is divided into a single-tube draw bar and a double-tube draw bar, and the tube of the draw bar is divided into a square tube and a round tube, so that the draw-bar box is convenient to drag when walking, and the burden is greatly reduced. The draw-bar box can be carried by hand or dragged, wheels of the draw-bar box used by people at ordinary times are basically located at the bottom of the box, modern people design the draw-bar box in a new form, the box is designed into a cylindrical shape, the wheels are wholly wrapped outside the box, and the draw-bar box can be better adapted to different terrains by the design of the roller, and people can easily go upstairs and downstairs by directly pulling the box. In 2012, cloth boxes, ABS hard boxes, leather cases, PCs and the like are mainly used as main materials, and the usability of the cloth boxes is divided into three categories, namely directional wheels, universal wheels and latest detachable universal wheel draw-bar boxes.

Patent number CN 201510081523.8 discloses a draw-bar box, has excellent stair function of climbing, and the motion is steady, and the impact is little, simple structure, characteristics such as convenient to use.

Although the above patent scheme solves the defects of the traditional draw-bar box, the scheme still has some defects 1, the capacity of the existing draw-bar box is basically fixed, so that the draw-bar box cannot freely stretch along with the quantity of articles in the box, the attractiveness of the draw-bar box is seriously influenced when the articles in the draw-bar box are too much or too little, and meanwhile, the box body with various capacities cannot be realized, and the applicability of the device is seriously influenced; 2. the existing draw-bar box only can tilt or vertically pull the box body, the pulling load of a user is seriously increased when the box body is obliquely pulled, and the pulling speed of the box body is seriously reduced when the box body is vertically pulled, so that the box body is inconvenient to move when too many articles are in the box body; to this end, we propose a double-layer zipper-expandable draw-bar box to solve the above-mentioned problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a stimulate chain head A along chain A and can chain belt A open and shut, can drive the box and receive and open under chain head B along the gliding effect of chain B after that, realized can freely adjusting the size of draw-bar box capacity, thereby the rethread rotates the horizontal pole along the connecting axle and breaks away from the bail and can realize the slope of pull rod and stimulate fast when the article of box inside are too much, user's burden has been reduced, device simple structure and practicality are strong, be fit for being extensively promoted and used.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of can increase-volume double-deck zip fastener's draw-bar box, the power distribution box comprises a box body, the one end fixed connection of box bottom surface outer wall and shaft, just the other end and the pulley inside wall sliding connection of shaft, the box lateral wall is pegged graft and is had chain belt A, chain belt A intermediate position is pegged graft and is had chain A, the box surface has seted up flutedly, just the recess inside wall has linked up the axis of rotation, axis of rotation surface sliding connection has the pull rod, the one end sliding connection of recess open end outer wall through connecting axle and horizontal pole.

Optionally, the number of the chains a is two, and the two chains a are detachably connected through a chain head a.

Optionally, a chain belt B is connected to a position below the chain belt a, and the chain belt B is made of a cloth belt material with a telescopic function.

Optionally, the middle position of the chain belt B is inserted with two chains B, and the two chains B are detachably connected through a chain head B.

Optionally, recess open end outer wall fixedly connected with bail, just horizontal pole bottom surface outer wall can be dismantled with the bail surface and be connected.

The utility model has the advantages as follows:

1. the utility model discloses at first through pulling chain head A along chain A and can control opening and shutting of chain belt A, can drive the box and receive and open under chain head B along the gliding effect of chain B after that, realized the size that can freely adjust the draw-bar box capacity, just also realized simultaneously that the draw-bar box can be along with how much and freely stretch out and draw back of incasement article, the aesthetic property that influences the draw-bar box when having avoided the article of draw-bar box inside too much or too little, the free expansion of box has been realized, the suitability of box has been improved.

2. The utility model discloses at first through rotate the horizontal pole along the connecting axle and break away from the bail, pulling pull rod rotates along the axis of rotation and breaks away from recess to slope and can drive the box along the gliding effect of shaft at the pulley and carry out horizontal migration, has realized that the pull rod can incline and stimulate fast when the article of box inside are too much, has reduced user's burden, has improved the practicality of draw-bar box.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a draw-bar box of a capacity-increasing double-layer zipper according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a position a of a draw-bar box of the double-layer zipper capable of increasing the volume according to the embodiment of the present invention;

fig. 3 is a schematic view of a groove structure of a draw-bar box of a capacity-increasing double-layer zipper according to an embodiment of the present invention.

In the figure: 1. a box body; 2. a pull rod; 3. a wheel axle; 4. a pulley; 5. a chain belt A; 6. a chain A; 7. a chain head A; 8. a chain belt B; 9. a chain B; 10. a chain head B; 11. a groove; 12. a rotating shaft; 13. a connecting shaft; 14. a cross bar; 15. and (4) a staple.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A draw-bar box of an expandable double-layer zipper according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, an embodiment of the utility model provides a draw-bar box with an expandable double-layer zipper, which comprises a box body 1, wherein the outer wall of the bottom surface of the box body 1 is fixedly connected with one end of a wheel axle 3, the other end of the wheel shaft 3 is connected with the inner side wall of the pulley 4 in a sliding way, a chain belt A5 is inserted on the outer side wall of the box body 1, a chain A6 is inserted in the middle of the chain belt A5, a groove 11 is arranged on the outer surface of the box body 1, and the inner side wall of the groove 11 is connected with a rotating shaft 12, the outer surface of the rotating shaft 12 is connected with a pull rod 2 in a sliding way, the outer wall of the opening end of the groove 11 is connected with one end of a cross bar 14 in a sliding way through a connecting shaft 13, through pulling pull rod 2 and rotating along axis of rotation 12 and breaking away from recess 11 to slope and can drive box 1 and carry out horizontal migration under the effect that pulley 4 slided along shaft 3, realized that pull rod 2 can incline quick pulling when the article in box 1 is too much.

Referring to fig. 1 and 2, the number of the chains a6 is two, and the two chains a6 are detachably connected through the chain heads a7, and the opening and closing of the chain belt a5 can be controlled by pulling the chain heads a7 along the chains a 6.

Referring to fig. 1 and 2, a chain belt B8 is connected to a lower position of the chain belt a5, the chain belt B8 is made of a cloth belt material with a telescopic function, the chain belt B8 enables the draw-bar box to freely stretch along with the number of articles in the box, the attractiveness of the draw-bar box is prevented from being affected when too many or too few articles are in the draw-bar box, and free expansion of the box body 1 is achieved.

Referring to fig. 1 and 2, chains B9 are inserted into the middle of the chain belt B8, the number of the chains B9 is two, and the two chains B9 are detachably connected through chain heads B10, so that the case body 1 can be driven to fold and unfold under the action of the chain heads B10 sliding along the chains B9, and the capacity of the draw-bar case can be freely adjusted.

Referring to fig. 1 and 3, a clamp 15 is fixedly connected to an outer wall of an opening end of the groove 11, and an outer wall of a bottom surface of the cross bar 14 is detachably connected to an outer surface of the clamp 15, and the cross bar 14 is separated from the clamp 15 by rotating along the connecting shaft 13, so that the pull rod 2 can be fixed and moved.

The embodiment of the utility model provides a but draw-bar box of double-deck zip fastener of increase-volume, during the use, thereby at first can control opening and shutting of chain belt A5 along chain A6 pulling chain head A7, can drive box 1 under chain head B7 along the gliding effect of chain B9 to receive and open after that, the size that can freely adjust the draw-bar box capacity has been realized, just also realized simultaneously that the draw-bar box can freely stretch out and draw back along what of incasement article, rotate horizontal pole 14 along connecting axle 13 afterwards and break away from bail 15, then rotate along axis of rotation 12 through pulling pull rod 2 and break away from recess 11 to slope and can drive box 1 and carry out the horizontal migration under pulley 4 along the gliding effect of shaft 3, realized that the pull rod can incline and stimulate fast when the article of box 1 inside is too much.

It should be noted that the utility model relates to a but draw-bar box of double-deck zip fastener of increase-volume, including box 1, pull rod 2, shaft 3, pulley 4, chain belt A5, chain A6, chain head A7, chain belt B8, chain B9, chain head B10, recess 11, axis of rotation 12, connecting axle 13, horizontal pole 14, bail 15. The components are standard parts in general or known to those skilled in the art, and their structure and principle are known to those skilled in the art through technical manuals or through routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. The utility model provides a but draw-bar box of double-deck zip fastener of increase-volume, includes box (1), its characterized in that: the utility model discloses a chain wheel, including box (1), wheel axle (3), chain belt A (5), chain belt A (6), recess (11) are seted up to box (1) surface, just recess (11) inside wall has been linked up and has axis of rotation (12), axis of rotation (12) surface sliding connection has pull rod (2), the one end sliding connection of recess (11) open end outer wall through connecting axle (13) and horizontal pole (14), the one end sliding connection of wheel axle (3) just the other end and pulley (4) inside wall sliding connection of wheel axle (3), box (1) lateral wall is pegged graft and is had chain belt A (5), chain belt A (5) intermediate position is pegged graft and.

2. The double-layer zipper-compatibilized draw-bar box according to claim 1, characterized in that: the number of the chains A (6) is two, and the two chains A (6) are detachably connected through chain heads A (7).

3. The double-layer zipper-compatibilized draw-bar box according to claim 1, characterized in that: chain belt A (5) below position link up has chain belt B (8), just chain belt B (8) adopt the strap material that has flexible function to make.

4. A double-layer zipper-compatibilized draw-bar box according to claim 3, wherein: the chain belt B (8) is provided with two chains B (9) in the middle in an inserted mode, and the two chains B (9) are detachably connected through chain heads B (10).

5. The double-layer zipper-compatibilized draw-bar box according to claim 1, characterized in that: recess (11) open end outer wall fixedly connected with bail (15), just horizontal pole (14) bottom surface outer wall can be dismantled with bail (15) surface and be connected.

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