CN205321501U

CN205321501U - Novel draw -bar box

Info

Publication number: CN205321501U
Application number: CN201620036659.7U
Authority: CN
Inventors: 曹付根
Original assignee: Pinghu Ledefu Luggage Co Ltd
Current assignee: Pinghu Ledefu Luggage Co Ltd
Priority date: 2016-01-15
Filing date: 2016-01-15
Publication date: 2016-06-22
Anticipated expiration: 2026-01-15

Abstract

The utility model discloses a novel draw -bar box has solved the draw -bar box and can steadily not place the problem on the ground of slope, and its technical scheme main points are novel draw -bar box, including box, wheel carrier and gyro wheel, the gyro wheel rotates with the wheel carrier to be connected, the wheel carrier is connected with the box, be connected with on the box and be used for adjusting a coupling assembling of wheel carrier lift and the 2nd coupling assembling who is used for driving a coupling assembling, the 2nd coupling assembling is connected with the pivot, adjusts the lift of wheel carrier through rotating the pivot, has reached the draw -bar box and can steadily place the purpose on inclined ground.

Description

A kind of Novel draw-bar box

Technical field

This utility model relates to case field, more specifically, it relates to a kind of Novel draw-bar box。

Background technology

Draw-bar box refers to the luggage case with pull bar and roller。Because it is easy to use, carry that medicated clothing etc. becomes travelling, going out to receive widely uses。

Draw-bar box can portable can also drag, the roller of draw-bar box used at ordinary times is all located at the bottom of casing substantially, it is usually and to case supports or is adopted two support columns of two rollers to come case supports by four rolling, although the draw-bar box adopting two support columns of two rollers can be placed stable on the ground, but pull bar have to be tilted, draw-bar box can be moved, it is inconvenient for, when adopting four rolling to case supports, need not user tilt just can be moved by draw-bar box by pull bar, but when ground out-of-flatness, draw-bar box is placed and is easy on the ground causing that roller makes draw-bar box move because of the inclination on ground, can not place stable。

Utility model content

For the deficiency that prior art exists, the purpose of this utility model is in that to provide a kind of Novel draw-bar box that can casing be stably supported。

For achieving the above object, this utility model provides following technical scheme: a kind of Novel draw-bar box, including casing, wheel carrier and roller, described roller and wheel carrier are rotationally connected, described wheel carrier is connected with casing, being connected to the first connection assembly for regulating wheel carrier lifting on described casing and for driving the second of the first connection assembly to connect assembly, described second connects assembly is connected to rotating shaft。

By adopting technique scheme, first connect assembly the lifting regulating wheel carrier is set, connect assembly with rotating shaft by the second connection assembly and first again to connect, when casing is placed in the plane, rotating shaft is rotated, connect assembly by first to be declined by wheel carrier, make pair of rollers case supports, enable user more convenient when dragging casing, when casing is placed on the ground of inclination, wheel carrier is risen, makes support column to case supports, owing to support column will not roll, so that casing can stably be placed on the ground of inclination。

This utility model is further arranged to: described first connects assembly and include rotating bar and sliding set, and described sliding set is set on rotation bar and is connected with wheel carrier, and described sliding set is connected with casing sliding。

By adopting technique scheme, when rotating bar and rotating, just can move along casing with the sliding set rotating bar cooperation, then sliding set and wheel carrier are connected, it is possible to realize the lifting of wheel carrier, when needs mobile box, wheel carrier is declined, makes pair of rollers case supports, when casing placed by needs, wheel carrier is risen, it is to avoid roller and earth surface。

This utility model is further arranged to: described second connects assembly and include intermeshing first gear and the second gear, described rotation bar and the connection of the first gear, described rotating shaft and the connection of the second gear。

By adopting technique scheme, work as axis of rotation, rotating shaft drives the second pinion rotation, second gear driven the first pinion rotation, the first gear driven rotates bar and rotates, thus can along chute lifting moving by sliding set, and owing to gear drive gear ratio is accurate, compact conformation, long service life, add the practicality of this Novel draw-bar box。

This utility model is further arranged to: described rotating shaft is fixed with handle away from one end of casing。

By adopting technique scheme, by user's grip, it is possible to make user's rotating shaft more convenient。

Accompanying drawing explanation

Fig. 1 is the structural representation of this utility model embodiment；

Fig. 2 is the A direction view of Fig. 1；

Fig. 3 is the second connection component diagram；

Fig. 4 is sliding set profile。

Accompanying drawing labelling: 1, casing；10, rotating shaft；11, pull bar；12, roller；13, wheel carrier；14, support column；2, first connects assembly；21, bar is rotated；22, sliding set；221, chute；3, second connects assembly；31, the first gear；32, the second gear；4, handle；41, skid resistant course。

Detailed description of the invention

Referring to figs. 1 through Fig. 4, this utility model one Novel draw-bar box is described further。

As shown in Figures 1 to 4, a kind of Novel draw-bar box, including casing 1, wheel carrier 13, roller 12 and the support column 14 for supporting box 1, wherein, direction, pull bar 11 place is top, direction, roller 12 place is lower section, described roller 12 is rotationally connected with wheel carrier 13, in the present embodiment, more flexible in order to make this Novel draw-bar box move, using universal wheel as roller 12, and in casing 1, it is provided with the placing trough for placing wheel carrier 13, casing 1 is provided with the rotating shaft 10 for regulating wheel carrier 13 lifting, wheel carrier 13 is made to move along placing trough, the first connection assembly 2 for regulating wheel carrier 13 lifting it is provided with between casing 1 and wheel carrier 13, rotating shaft 10 is connected assembly 2 by the second connection assembly 3 with first and is rotationally connected, simultaneously, can also wheel carrier 13 be arranged on the side of casing 1, wheel carrier 13 is made to move up and down along the side of casing 1。

When needs drag casing 1, by the rotation of rotating shaft 10, make wheel carrier 13 decline, by roller 12, casing 1 is supported, when casing 1 is steadily placed by needs, wheel carrier 13 is risen, make support column 14 support casing 1 is stable。

As shown in Figure 3 and Figure 4, first connects assembly 2 includes rotating bar 21 and sliding set 22, the outer wall of sliding set 22 offers chute 221 vertically, casing 1 is fixed with the projection mated with chute 221, chute 221 is placed in projection, rotate bar 21 outer rim and be provided with the first screw thread, the inwall of sliding set 22 is provided with and the second screw thread of the first screw thread coupling, rotation bar 21 is placed in the inside of sliding set 22, make the first screw thread and the second threaded engagement, again the lower end of sliding set 22 is connected with wheel carrier 13, rotate when rotating bar 21, sliding set 22 just can be made to pass through threaded function, move up and down along chute 221, wheel carrier 13 just can be driven to move up and down, it is subject to counteracting force to prevent from rotating in the process that bar 21 drives sliding set 22 to move, rotation bar 21 is made to be subjected to displacement, in the present embodiment, it is provided with a bearing, the inner circle of bearing is socketed on rotation bar 21, make inner circle and rotate bar 21 interference fit, again by the cylindrical of bearing and the fixing connection of casing 1, owing to inner circle and the cylindrical of bearing are to be rotationally connected, making to rotate bar 21 can along the axial rotation of bearing, without being subjected to displacement。

As shown in figures 1 and 3, second connects assembly 3 includes the first gear 31 and the second gear 32, rotation bar 21 connects away from one end and first gear 31 of wheel carrier 13, rotating shaft 10 and the second gear 32 connect, the first described gear 31 and the engagement of the second gear 32 are arranged, in the present embodiment, in order to be user-friendly to rotating shaft 10, adopt bevel gear as the first gear 31 and the second gear 32, the setting of bevel gear, make rotating shaft 10 axle center can with sliding overlap 22 axle center at an angle, such that it is able to make wheel carrier 13 be placed into the bottom surface of casing 1, and rotating shaft 10 can be stretched out from the side of casing 1, user is facilitated to hold。

Such as Fig. 1, shown in Fig. 2 and Fig. 3, in the present embodiment, it is provided with four rolling 12 and two rotating shafts 10 altogether, one rotating shaft 10 connects two rollers 12, and be not clinodiagonal two rollers 12, one rotating shaft 10 rotates, two rollers 12 can be regulated lift simultaneously, so that the adjustable height of two rollers 12 can keep consistent, avoid making casing 1 crank in the process dragged, when user drags casing 1, it is by casing 1 slant setting, just casing 1 can be supported thus having only to two adjacent rollers 12, damage when there being a rotating shaft 10, just can use another rotating shaft 10, casing 1 is made to can continue to use。

Casing 1 is supported by the roller 12 that can also arrange three rollers 12 or more than four quantity, a rotating shaft 10 can also be made to control the lifting of a roller 12 simultaneously。

When casing 1 being supported by roller 12, action of gravity due to casing 1, the support force that casing 1 is produced by roller 12 and gravity is equal, support force is upwardly directed, being threaded engagement owing to rotating between bar 21 and sliding set 22, support force is to producing revolving force radially, and there is frictional force between the first screw thread and the second screw thread, this frictional force counteracts this revolving force, from without making wheel carrier 13 move up voluntarily。

In order to facilitate user's rotating shaft 10, rotating shaft 10 secures a handle 4, and on handle 4, it is provided with skid resistant course 41, in the present embodiment, for cost consideration, adopt rubber can also adopt as skid resistant course 41(simultaneously and some projections or shrinkage pool are set on handle 4 as skid resistant course 41, it is also possible to fix the bigger object of other frictional force as skid resistant course 41)。

First gear 31 and the second gear 32 can adopt plastic material to make, metal material can also be adopted to make simultaneously, but the abrasion of plastic material is very fast, in casing 1, the article of placement can aggravate the abrasion of gear time more, but low price, adopts metal material that cost can be made to increase, and wearability is better, but have stronger noise, and need to use lubricating oil to prevent its damage of getting rusty。

The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model。It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model。

Claims

1. a Novel draw-bar box, including casing (1), wheel carrier (13) and roller (12), described roller (12) and wheel carrier (13) are rotationally connected, described wheel carrier (13) is connected with casing (1), it is characterized in that: being connected to lift for regulating wheel carrier (13) first on described casing (1) and connect assembly (2) and be used for driving the second of the first connection assembly (2) to connect assembly (3), described second connects assembly (3) is connected to rotating shaft (10)。

2. a kind of Novel draw-bar box according to claim 1, it is characterized in that: described first connects assembly (2) and include rotating bar (21) and sliding set (22), described sliding set (22) is set in rotation bar (21) and above and is connected with wheel carrier (13), and described sliding set (22) is connected with casing (1) sliding。

3. a kind of Novel draw-bar box according to claim 2, it is characterized in that: described second connects assembly (3) and include intermeshing first gear (31) and the second gear (32), described rotation bar and the first gear (31) connect, and described rotating shaft (10) and the second gear (32) connect。

4. a kind of Novel draw-bar box according to claim 1, is characterized in that: described rotating shaft (10) is fixed with handle (4) away from one end of casing (1)。