CN212521034U

CN212521034U - Draw-bar box capable of greatly adjusting space

Info

Publication number: CN212521034U
Application number: CN202021267688.7U
Authority: CN
Inventors: 陈金玲
Original assignee: Ruian Aoxin Luggage Accessories Co ltd
Current assignee: Ruian Aoxin Luggage Accessories Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-02-12
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a draw-bar box capable of greatly adjusting the space size, which relates to the draw-bar box field and comprises a main box body, wherein one side of the main box body is provided with a return-shaped groove, a stretching frame is arranged in the return-shaped groove in a sliding way, and one side of the stretching frame far away from the main box body is fixedly provided with a movable frame, the structure of the draw-bar box is reasonable, two hands are used for pressing a top cap extending out of a push-out hole on the main box body, the top cap retreats from the push-out hole into the return-shaped groove, the top cap compresses a spring when the stretching frame is lifted upwards, when the next top cap reaches the position of the push-out hole, the top cap is extruded under the action of the spring and is ejected from the push-out hole to finish the fixation, the space size of the draw-bar box can be adjusted according to the own requirement, the trip requirement is met, when a switch screw cap of a fastening, and (4) completing the opening of the draw-bar box, and otherwise, closing the draw-bar box.

Description

Draw-bar box capable of greatly adjusting space

Technical Field

The utility model relates to a draw-bar box field, in particular to draw-bar box that can increase substantially space size.

Background

The draw-bar box is a luggage case with a draw bar and rollers, which is widely used due to the convenient use, and meanwhile, the draw-bar box is also provided with a draw bar due to the case, the draw bar is divided into a single-tube draw bar and a double-tube draw bar, the tube of the draw bar is divided into a square tube and a round tube, so that the draw-bar box can be conveniently dragged during walking, the burden is greatly reduced, the draw-bar box can be carried by hand or dragged, and the wheels of the draw-bar box used by people at ordinary times are basically positioned at the bottom of the case.

The existing draw-bar box is usually fixed in volume, when shopping the suitcase, the big weight of the big suitcase size of volume is big, and is very inconvenient when carrying, and the luggage that the suitcase that is little in volume can carry is small, can't satisfy the trip demand, and opening and closing of suitcase is all comparatively troublesome usually, and is very troublesome when article are taken from the suitcase at any time to needs, and we have proposed a draw-bar box that can adjust the space size by a wide margin for this reason.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a draw-bar box of adjustable space size by a wide margin to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a but big or small draw-bar box of big or small adjustment space, including the main tank body, the font recess has been seted up back to one side of the main tank body, slidable mounting has tensile frame in the font recess, one side fixed mounting that the main tank body was kept away from to tensile frame has the movable frame, one side of movable frame is rotated and is installed and open the panel, one side fixed mounting of movable frame has fastener, fastener is by the semicircle threaded rod, a switch thread section of thick bamboo and switch are revolved the cap and are constituteed, a switch thread section of thick bamboo is installed to the one end screw thread of semicircle threaded rod, the one end fixed mounting of a switch thread section of thick bamboo has the switch to revolve the cap, one side fixed mounting who.

Preferably, the top side of the main box body is provided with a square groove, and a telescopic pull rod is slidably mounted in the square groove.

Preferably, four dragging pulleys are fixedly mounted on the bottom side of the main box body.

Preferably, a handle is fixedly arranged on one side of the main box body.

Preferably, the main box body is provided with ejection holes along two sides of the diagonal line away from each other.

Preferably, the stretching frame is along the equal fixed mounting in both sides that diagonal each other kept away from has three spacing section of thick bamboo, and equal slidable mounting has the hood in a plurality of spacing section of thick bamboos, all is provided with the spring in a plurality of spacing section of thick bamboos.

Preferably, one end of the spring is fixedly connected with one side of the stretching frame, the other end of the spring is fixedly connected with one side of the top cap, and one end of the top cap penetrates through the top hole and extends out of the main box body.

The utility model discloses a technological effect and advantage:

1. the utility model discloses rational in infrastructure, when the space of draw-bar box needs to be adjusted, press the hood that stretches out from the ejecting hole on the main tank body with two hands, the hood withdraws back to in the font recess from the ejecting hole, lift tensile frame this moment hood compression spring upwards, slide along returning font recess inner wall, when next hood reachs the ejecting hole position, under the effect of spring, extrude the hood, it is ejecting from the ejecting hole, accomplish and fix, can adjust the space size of draw-bar box according to own demand, satisfy the trip demand, when needing to open the draw-bar box, rotate the switch turncap of fastener, the switch turncap rotates and drives switch screw thread section of thick bamboo and pulls out along the semicircle threaded rod, when the semicircle keeper withdraws from switch screw thread section of thick bamboo completely, can open and open the panel, accomplish opening of draw-bar box, otherwise the same thing, close the draw-bar box;

2. the utility model discloses in, when the draw-bar box was removed to needs, can pull out flexible pull rod, the level promotes the draw-bar box, and under the thrust effect, the draw-bar box drove the draw-bar box through the roll of dragging the pulley and removes, also can be with the hand-operated handle, mentions the draw-bar box, utilizes the manpower directly to drive the draw-bar box and removes, satisfies the trip under the various circumstances.

Drawings

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

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is an enlarged schematic view of the fastening device of the present invention;

fig. 4 is an enlarged schematic structural view of the joint of the spring and the top cap of the present invention.

In the figure: 1. a main box body; 2. stretching the frame; 3. a movable frame; 4. opening the panel; 5. a semicircular threaded rod; 6. a switch threaded barrel; 7. a switch is screwed on the cap; 8. a dragging pulley; 9. a telescopic pull rod; 10. a handle; 11. an ejection aperture; 12. a semicircular sleeve bolt; 13. a spring; 14. a top cap; 15. a limiting cylinder; 16. a square groove; 17. a groove shaped like a Chinese character 'hui'; 18. and a fastening device.

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.

The utility model provides a draw-bar box which can greatly adjust the space size as shown in figures 1-4, comprising a main box body 1, one side of the main box body 1 is provided with a return-shaped groove 17, a stretching frame 2 is arranged in the return-shaped groove 17 in a sliding way, one side of the stretching frame 2 far away from the main box body 1 is fixedly provided with a movable frame 3, one side of the movable frame 3 is rotatably provided with an opening panel 4, one side of the movable frame 3 is fixedly provided with a fastening device 18, the fastening device 18 consists of a semicircular threaded rod 5, a switch threaded cylinder 6 and a switch screw cap 7, one end of the semicircular threaded rod 5 is provided with the switch threaded cylinder 6, one end of the switch threaded cylinder 6 is fixedly provided with the switch screw cap 7, one side of the opening panel 4 is fixedly provided with a semicircular sleeve bolt 12, one end of the semicircular sleeve bolt 12 extends into the switch threaded cylinder 6, when the draw-bar box needs to be, the switch turncap 7 rotates to drive the switch thread cylinder 6 to be pulled out along the semicircular threaded rod 5, when the semicircular sleeve bolt 12 completely exits from the switch thread cylinder 6, the opening panel 4 can be opened, the opening of the draw-bar box is completed, otherwise, the draw-bar box is closed and the article can be taken from the luggage box at any time simply and conveniently.

Furthermore, in the above scheme, a square groove 16 is formed in the top side of the main box body 1, the telescopic pull rod 9 is slidably mounted in the square groove 16, and through the design of the telescopic pull rod 9, when the draw-bar box needs to be dragged, the draw-bar box can be pulled out from the square groove 16 in a sliding mode to drag the line.

Furthermore, in the above scheme, four dragging pulleys 8 are fixedly mounted at the bottom side of the main box body 1, and the luggage case can walk through the dragging pulleys 8 in a labor-saving manner by the design of the dragging pulleys 8.

Further, in the above scheme, a handle 10 is fixedly installed on one side of the main box body 1, and through the design of the handle 10, when the trolley box needs to be lifted, the trolley box can be lifted through the handle 10.

Furthermore, in the above scheme, ejection holes 11 are formed in two sides of the main box body 1 away from each other along a diagonal line, and through the design of the ejection holes 11, when the volume of the draw-bar box is adjusted to a gear, the volume of the draw-bar box can be fixed by extending out of the ejection cap 14.

Further, in the above scheme, the two sides of the stretching frame 2 that are far away from each other along the diagonal line are fixedly provided with three limiting cylinders 15, the top caps 14 are slidably mounted in the limiting cylinders 15, the springs 13 are arranged in the limiting cylinders 15, and the springs 13 can slide in the limiting cylinders 15 through the design of the limiting cylinders 15, so that the positions of the springs are fixed, and the springs 13 can automatically eject the top caps 14 through the elasticity of the springs 13.

Furthermore, in the above-mentioned scheme, one end of spring 13 is fixedly connected with one side of stretching frame 2, the other end of spring 13 is fixedly connected with one side of top cap 14, one end of top cap 14 runs through top hole 11 and extends to the outside of main box 1, through the design of top cap 14, the volume of draw-bar box can be fixed, also can change when changing the volume of draw-bar box, push cap 14 is pressed.

This practical theory of operation:

when the space of the draw-bar box needs to be adjusted, the top cap 14 extending out of the ejection hole 11 on the main box body 1 is pressed by two hands, the top cap 14 returns to the return-shaped groove 17 from the ejection hole 11, the stretching frame 2 is lifted upwards, at the moment, the top cap 14 compresses the spring 13 and slides along the inner wall of the return-shaped groove 17, when the next top cap 14 reaches the position of the ejection hole 11, the top cap 14 is extruded out of the ejection hole 11 under the action of the spring 13, the fixing is completed, the space size of the draw-bar box can be adjusted according to the self requirement, the travel requirement is met, when the draw-bar box needs to be opened, the switch rotary cap 7 of the fastening device 18 is rotated, the switch rotary cap 7 rotates to drive the switch threaded cylinder 6 to be pulled out along the semicircular threaded rod 5, when the semicircular sleeve bolt 12 completely exits from the switch threaded cylinder 6, the opening panel 4 can be opened, the opening of the draw-bar box is completed, otherwise, the draw-bar, when the luggage case needs to be moved, the telescopic pull rod 9 can be pulled out, the pull rod case is horizontally pushed, the pull rod case is driven to move by rolling of the dragging pulley 8 under the action of thrust, the pull rod case can be lifted by the hand-operated lifting handle 10, the pull rod case is directly driven to move by manpower, and traveling under various conditions is met.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a but draw-bar box of big amplitude modulation space size, includes main box body (1), its characterized in that: font recess (17) have been seted up back to one side of the main tank body (1), it has tensile frame (2) to slide to install in font recess (17), one side fixed mounting that main tank body (1) was kept away from in tensile frame (2) has movable frame (3), one side of movable frame (3) is rotated and is installed and open panel (4), one side fixed mounting of movable frame (3) has fastener (18), fastener (18) are revolved cap (7) by semicircle threaded rod (5), a switch thread section of thick bamboo (6) and switch and are constituteed, a switch thread section of thick bamboo (6) is installed to the one end screw thread of semicircle threaded rod (5), the one end fixed mounting of a switch thread section of thick bamboo (6) has switch to revolve cap (7), open one side fixed mounting of panel (4) and have semicircle keeper (12), the one end of semicircle keeper (12) extends to in the switch thread section of.

2. The draw-bar box capable of adjusting the space size greatly according to claim 1, wherein: the top side of the main box body (1) is provided with a square groove (16), and a telescopic pull rod (9) is arranged in the square groove (16) in a sliding mode.

3. The draw-bar box capable of adjusting the space size greatly according to claim 1, wherein: four dragging pulleys (8) are fixedly arranged at the bottom side of the main box body (1).

4. The draw-bar box capable of adjusting the space size greatly according to claim 1, wherein: a handle (10) is fixedly arranged on one side of the main box body (1).

5. The draw-bar box capable of adjusting the space size greatly according to claim 1, wherein: the main box body (1) is provided with ejection holes (11) along two sides which are away from each other along the diagonal.

6. The draw-bar box capable of adjusting the space size greatly according to claim 1, wherein: the stretching frame (2) is characterized in that three limiting cylinders (15) are fixedly mounted on two sides of the stretching frame (2) which are far away from each other along the diagonal line, top caps (14) are slidably mounted in the limiting cylinders (15), and springs (13) are arranged in the limiting cylinders (15).

7. The draw-bar box capable of adjusting the space size greatly according to claim 6, wherein: one end of the spring (13) is fixedly connected with one side of the stretching frame (2), the other end of the spring (13) is fixedly connected with one side of the top cap (14), and one end of the top cap (14) penetrates through the ejection hole (11) and extends out of the main box body (1).