CN111493481A

CN111493481A - But dilatation case and bag

Info

Publication number: CN111493481A
Application number: CN202010503728.1A
Authority: CN
Inventors: 胡晓珍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2020-08-07

Abstract

The invention discloses an expandable luggage, which belongs to the field of luggage and comprises a main luggage body, a pull rod and moving wheels, wherein a rotating shaft is inserted into a cavity in a fixed seat, one end of the rotating shaft is connected with a rotating handle, two first gears are fixedly sleeved on the rotating shaft, the first gears are meshed with a second gear, the left end of the second gear is fixedly connected with a screw, a fixed block is in threaded connection with the screw, the top end of the fixed block is fixedly connected with a sliding plate, the sliding plate penetrates through a through hole in the left end of the fixed seat and is fixedly connected with a sliding seat, and the sliding seat expands the luggage through a connecting plate; the sliding plate can move leftwards through the rotating shaft, the first gear, the second gear, the rotating handle, the screw and the sliding block, and the sliding plate can drive the expansion tank to slide leftwards through the sliding seat, so that the volume of the luggage is increased, more articles can be carried, and convenience is brought to traveling.

Description

But dilatation case and bag

Technical Field

The invention relates to the field of bags and bags, in particular to a volume-expandable bag and bag.

Background

The bag is a general term for bags, and is a general term for various bags for holding articles, including general shopping bags, handbags, purses, backpacks, rucksacks, satchels, waist bags, various draw-bar boxes and the like. The existing case generally cannot be expanded, when the number of articles carried out is large, a single case cannot load all the articles, and then a plurality of cases are needed to be loaded, so that great inconvenience is brought to the trip.

Disclosure of Invention

The invention aims to provide an expandable luggage to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a volume-expandable suitcase comprises a main body suitcase, a pull rod and a moving wheel, wherein the top end of the pull rod is provided with a pull rod handle, the bottom of the main body suitcase is fixedly provided with a fixed seat, four corners at the bottom end of the fixed seat are respectively provided with the moving wheel, the fixed seat is internally provided with a cavity, a rotating shaft is arranged in the fixed seat in an inserting manner, one end of the rotating shaft penetrates through the fixed seat and is fixedly connected with a rotating handle, the rotating shaft is fixedly sleeved with two first gears, the first gears are meshed with second gears, the left end of the second gear is fixedly connected with a screw rod, the screw rod is arranged in the cavity of the fixed seat in a rotating manner, a fixed plate is fixedly arranged in the cavity of the fixed seat, the fixed plate is provided with two through holes, the right end of the screw rod is inserted in the through hole of the fixed, the top fixedly connected with sliding plate of fixed block, the sliding plate slides and establishes in the fixing base, the fixing base left end is equipped with the through-hole, the sliding plate passes the through-hole and the fixedly connected with sliding seat of fixing base left end, the symmetry is equipped with around the bottom of sliding seat removes the wheel, the upper end fixedly connected with connecting plate of sliding seat, the upper end fixedly connected with flash tank of connecting plate, be equipped with the sliding tray in the shell layer of main part case, the flash tank slides and inserts and establishes in the sliding tray of main part case, the left side of flash tank is equipped with the case lid, the case lid with be equipped with the zip fastener between the flash tank.

As a further scheme of the invention: the pull rod is characterized in that hooks are symmetrically arranged on the left end face and the right end face of the pull rod handle, the hooks are rotatably arranged on the pull rod handle, and a placing groove is correspondingly formed in the pull rod handle.

As a further scheme of the invention: the circumference side of the rotating handle is provided with a plurality of limiting holes, meanwhile, the fixing seat is correspondingly provided with a plurality of limiting holes, a positioning bolt is inserted in each limiting hole, the positioning bolt is in threaded connection with the limiting holes, a fixing rope is fixedly connected to the positioning bolt, and the other end of the fixing rope is fixedly connected to the fixing seat.

As a further scheme of the invention: and fixed blocks are symmetrically arranged at the front and the back of the bottom end of the sliding plate.

As a further scheme of the invention: the movable wheels are universal wheels.

As a further scheme of the invention: the middle of the pull rod handle is sleeved with an anti-skid rubber sleeve.

As a further scheme of the invention: the middle part of the upper end of the main box is fixedly provided with a hand strap.

Compared with the prior art, the invention has the beneficial effects that: the sliding plate is high in practicability, the rotating shaft, the first gear, the second gear, the rotating handle, the screw and the sliding block are arranged, so that the sliding plate can move leftwards, and the sliding plate can drive the flash tank to slide leftwards through the sliding seat, so that the volume of the luggage is increased, more articles can be carried, and convenience is brought to traveling; the luggage can rotate the rotating handle according to the actual demand condition, so that the size of the expansion volume is adjusted, and the luggage is more practical; when not in use, the expansion tank of the case can be retracted into the main box, so that the volume is reduced, and the small case can be hung through the hook, so that the use is convenient.

Drawings

FIG. 1 is a front view of a scalable pod.

FIG. 2 is a top view of the lower portion of the sliding plate in the cavity of the fixed base of the expandable luggage.

FIG. 3 is a schematic view of a sliding panel in an expandable luggage.

Fig. 4 is a left side view of an expandable luggage.

Notations for reference numerals: 1-a main body box, 2-a pull rod, 3-a flash tank, 4-a fixed seat, 5-a moving wheel, 6-a sliding seat, 7-a sliding plate, 8-a connecting plate, 9-a rotating shaft, 10-a first gear, 11-a second gear, 12-a rotating handle, 13-a screw rod, 14-a fixed plate, 15-a sliding block, 16-a fixed block, 17-a zipper, 18-a box cover, 19-a limiting hole, 20-a positioning bolt, 21-a fixed rope, 22-a pull rod handle, 23-an anti-skid rubber sleeve, 24-a hook, 25-a placing groove and 26-a hand-held belt.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.

Example 1

Referring to fig. 1-4, an expandable luggage includes a main body case 1, a pull rod 2 and a moving wheel 5, wherein a pull rod handle 22 is disposed at the top end of the pull rod 2, a fixed seat 4 is fixedly disposed at the bottom of the main body case 1, the moving wheel 5 is disposed at four corners of the bottom end of the fixed seat 4, a cavity is disposed inside the fixed seat 4, a rotating shaft 9 is inserted into the fixed seat 4, one end of the rotating shaft 9 penetrates through the fixed seat 4 and is fixedly connected with a rotating handle 12, two first gears 10 are fixedly sleeved on the rotating shaft 9, the first gears 10 are engaged with a second gear 11, a screw 13 is fixedly connected to the left end of the second gear 11, the screw 13 is rotatably disposed in the cavity of the fixed seat 4, a fixed plate 14 is fixedly disposed in the cavity of the fixed seat 4, the fixed plate 14 is provided with two through holes, and the right end of the screw 13 is inserted into the through hole, the screw 13 can be kept stable by arranging the fixing plate 14, the screw 13 is slidably sleeved with a fixing block 16, the fixing block 16 is screwed with the screw 13, the top end of the fixing block 16 is fixedly connected with a sliding plate 7, the sliding plate 7 is slidably arranged in the fixing seat 4, the left end of the fixing seat 4 is provided with a through hole, the sliding plate 7 passes through the through hole at the left end of the fixing seat 4 and is fixedly connected with a sliding seat 6, the bottom of the sliding seat 6 is symmetrically provided with moving wheels 5 in front and back, the upper end of the sliding seat 6 is fixedly connected with a connecting plate 8, the upper end of the connecting plate 8 is fixedly connected with a flash tank 3, a sliding groove is arranged in a shell layer of the main body tank 1, the flash tank 3 is slidably inserted in the sliding groove of the main body tank 1, the left side of the flash tank 3 is provided with a tank cover 18, and a zipper 17, the rotating handle 12 is manually rotated, the rotating handle 12 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the first gear 10 to rotate, the first gear 10 is meshed with the second gear 11, the first gear 10 can drive the second gear 11 to rotate, the second gear 11 is fixedly connected with the screw 13, the second gear 11 can drive the screw 13 to rotate, the screw 13 is in threaded connection with the fixed block 16, the screw 13 can drive the fixed block 16 to slide, the fixed block 16 is fixedly connected with the sliding plate 7, the fixed block 16 can drive the sliding plate 7 to move leftwards, the sliding plate 7 is fixedly connected with the sliding seat 6, the sliding plate 7 can push the sliding seat 6 to move leftwards, and the sliding seat 6 can drive the flash tank 3 to move leftwards through the connecting plate 8, so that the flash tank 3 slides leftwards in the sliding groove of the main body case 1, thereby increasing the volume of the case, and the articles to be carried can be put into the case by opening the case cover 18 by pulling the zipper 17, and the case can be pushed by the moving wheel 5.

In this embodiment, a plurality of limiting holes 19 are formed in the circumferential side of the rotating handle 12, a plurality of limiting holes 19 are correspondingly formed in the fixing base 4, a positioning bolt 20 is inserted into the limiting holes 19, the positioning bolt 20 is screwed with the limiting holes 19, a fixing rope 21 is fixedly connected to the positioning bolt 20, the other end of the fixing rope 21 is fixedly connected to the fixing base 4, the positioning bolt 20 is inserted into the limiting holes 19, the limiting holes 19 can fix the rotating handle 12, the rotating shaft 9 is further fixed, the screw 13 is kept stable when the rotating shaft 9 is fixed, the sliding plate 7 can be further kept stable, and the fixing rope 21 can prevent the positioning bolt 20 from being lost.

In this embodiment, the bottom end of the sliding plate 7 is symmetrically provided with the fixing blocks 16 in front and back, and the friction between the sliding plate 7 and the fixing base 4 can be reduced by providing the fixing blocks 16, so that the sliding of the sliding plate 7 is facilitated.

In this embodiment, the moving wheel 5 is a universal wheel, and the moving wheel 5 can rotate in any direction, so that the moving is convenient.

In this embodiment, the middle of the handle 22 is sleeved with an anti-slip rubber sleeve 23, and the handle can be conveniently held by hand through the anti-slip rubber sleeve 23.

In this embodiment, a handle strap 26 is fixedly disposed at the middle of the upper end of the main body case 1, the case can be lifted by the handle strap 26, and when the pull rod 2 or the pull rod handle 22 is damaged, the handle strap 26 has a preparatory function, so that the case can be used continuously.

The working principle of the embodiment is as follows: the positioning bolt 20 is taken out of the limiting hole 19, the rotating handle 12 is manually rotated, the rotating handle 12 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the first gear 10 to rotate, the first gear 10 is meshed with the second gear 11, the first gear 10 can drive the second gear 11 to rotate, the second gear 11 is fixedly connected with the screw 13, the second gear 11 can drive the screw 13 to rotate, the screw 13 can be kept stable by the fixing plate 14, the screw 13 is in threaded connection with the fixing block 16, the screw 13 can drive the fixing block 16 to slide, the fixing block 16 is fixedly connected with the sliding plate 7, the fixing block 16 can drive the sliding plate 7 to move leftwards, and the sliding plate 7 is fixedly connected with the sliding seat 6, the sliding plate 7 can push the sliding seat 6 to move leftwards, the sliding seat 6 can drive the expansion box 3 to move leftwards through the connecting plate 8, so that the expansion box 3 slides leftwards in the sliding groove of the main box 1, the volume of the luggage is increased, the luggage can be put into articles by pulling the zipper 17 and opening the box cover 18, and the luggage can be pushed by the moving wheel 5.

Example 2

Referring to fig. 1-4, this embodiment is further optimized based on embodiment 1, specifically, hooks 24 are symmetrically disposed on the left end surface of the handle 22, the hooks 24 are rotatably disposed on the handle 22, a placement groove 25 is correspondingly disposed on the handle 22, when not in use, the hooks 24 can be received in the placement groove 25 of the handle 22, when going out, the user generally carries more than one bag, when using the bag, the user can place another small bag on the upper end of the main body case 1, and the strap of the other small bag can be hung on the hooks 24 by the hooks 24, so as to prevent the small bag from slipping off the main body case 1.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A volume-expandable suitcase comprises a main suitcase body (1), a pull rod (2) and moving wheels (5), and is characterized in that the top end of the pull rod (2) is provided with a pull rod handle (22), the bottom of the main suitcase body (1) is fixedly provided with a fixed seat (4), the four corners of the bottom end of the fixed seat (4) are respectively provided with the moving wheels (5), the inside of the fixed seat (4) is provided with a cavity, the inside of the fixed seat (4) is provided with a rotating shaft (9) in an inserting manner, one end of the rotating shaft (9) penetrates through the fixed seat (4) and is fixedly connected with a rotating handle (12), the rotating shaft (9) is fixedly sleeved with two first gears (10), the first gears (10) are engaged with a second gear (11), the left end of the second gear (11) is fixedly connected with a screw rod (13), and the screw rod (13) is rotatably arranged in the cavity of the fixed, a fixed plate (14) is fixedly arranged in a cavity of the fixed seat (4), the fixed plate (14) is provided with two through holes, the right end of the screw rod (13) is inserted into the through hole of the fixed plate (14), a fixed block (16) is sleeved on the screw rod (13) in a sliding manner, the fixed block (16) is in threaded connection with the screw rod (13), the top end of the fixed block (16) is fixedly connected with a sliding plate (7), the sliding plate (7) is arranged in the fixed seat (4) in a sliding manner, the left end of the fixed seat (4) is provided with the through hole, the sliding plate (7) penetrates through the through hole at the left end of the fixed seat (4) and is fixedly connected with a sliding seat (6), the front and the back of the bottom of the sliding seat (6) are symmetrically provided with moving wheels (5), the upper end of the sliding seat (6) is fixedly connected with a connecting, the shell layer of the main body box (1) is provided with a sliding groove, the flash tank (3) is slidably inserted into the sliding groove of the main body box (1), the left side of the flash tank (3) is provided with a box cover (18), and a zipper (17) is arranged between the box cover (18) and the flash tank (3).

2. An expandable luggage as claimed in claim 1, wherein a plurality of limiting holes (19) are formed in the circumferential side of the rotating handle (12), a plurality of limiting holes (19) are correspondingly formed in the fixing base (4), a positioning bolt (20) is inserted into each limiting hole (19), the positioning bolt (20) is screwed with the limiting holes (19), a fixing rope (21) is fixedly connected to the positioning bolt (20), and the other end of the fixing rope (21) is fixedly connected to the fixing base (4).

3. An expandable luggage as claimed in claim 1, wherein the left end face of the handle (22) is provided with hooks (24) symmetrically at left and right sides, the hooks (24) are rotatably arranged on the handle (22), and the handle (22) is correspondingly provided with a placing groove (25).

4. A expandable luggage according to claim 1, wherein the bottom end of the sliding panel (7) is provided with fixing blocks (16) symmetrically in front and back.

5. A expandable luggage according to claim 1 wherein the moving wheels (5) are universal wheels.

6. An expandable luggage as claimed in claim 1, wherein the pull rod handle (22) is sleeved with an anti-slip rubber sleeve (23) in the middle.

7. An expandable luggage as claimed in any one of claims 1 to 6, wherein a hand strap (26) is fixedly arranged at the middle of the upper end of the main body case (1).