CN220045137U - Adjustable bottom shell assembly - Google Patents

Abstract

The utility model discloses an adjustable bottom shell assembly, which comprises a luggage bottom shell, wherein an inner hollow part is arranged in the luggage bottom shell, a mounting shaft is fixedly arranged in the middle of the front inner wall and the rear inner wall of the inner hollow part, two groups of mounting blocks are movably mounted on the mounting shaft, a movable frame is fixedly mounted on the side parts of the mounting blocks, and universal wheels are fixedly mounted at the lower ends of the movable frames. According to the utility model, the two groups of sliding blocks are driven to move relatively by rotating the turntable, so that the two groups of mounting columns can move relatively, the roller can move on the movable frame, and as the upper end surface of the movable frame is an inclined surface, the four groups of movable frames can be pressed down simultaneously by the cooperation of the roller and the movable frame, so that the universal wheels can extend out.

Description

Adjustable bottom shell assembly

Technical Field

The utility model relates to the technical field of electric welding meshes, in particular to an adjustable bottom shell assembly.

Background

The luggage is a collective name of various bags for holding things, including a general shopping bag, a handbag, a hand bag, a purse, a backpack, a single shoulder bag and the like, and along with the continuous improvement of the living and consumption level of people, various kinds of luggage become indispensable products at the side of people, and the luggage products are required to have good decorative performance and practicability.

The authorized bulletin number CN 216135330U provides a luggage case bottom shell and a luggage case with the bottom shell, comprising a shell, wherein the shell is provided with a universal wheel, the shell is also provided with a storage groove, and the universal wheel can be taken in the storage groove. According to the utility model, the storage groove is formed in the shell, so that when the luggage case needs to be placed, the universal wheel can be taken in the storage groove, and when the luggage case needs to be used, the universal wheel is moved out of the storage groove, so that the luggage case is good in stability and convenient and quick; the limiting mechanism is arranged, so that the universal wheels can keep the unfolding state to slide when the suitcase is normally used, cannot be stored by mistake, or can keep the storage state when the suitcase is idle, and cannot be stretched out and slid out accidentally; the connecting column is not separated from the shell by arranging a gland on the shell or arranging a limiting ring on the connecting column; through setting the face that accomodates groove and universal wheel and be close to into the cambered surface, can avoid colliding with when accomodating, prevent that the universal wheel is impaired.

Above-mentioned suitcase need take up the case and then keep flat subaerial when packing up the universal wheel, then accomodate the universal wheel one by one, and it is more inconvenient to when the case weight is great, it is more laborious to mention the great effort that the case needs to consume.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an adjustable bottom housing assembly.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides an adjustable drain pan subassembly, includes the suitcase drain pan, the inside of suitcase drain pan is provided with inside hollow, inner wall middle part fixed mounting installation axle around inside hollow, two sets of installation pieces of movable mounting on the installation axle, the lateral part fixed mounting adjustable shelf of installation piece, the lower extreme fixed mounting universal wheel of adjustable shelf, be provided with first spout on the adjustable shelf, movable mounting gyro wheel in the first spout, gyro wheel fixed mounting is in the erection column, erection column movable mounting is in the second notch, be provided with the multiunit on the front and back lateral wall of suitcase drain pan of second notch.

Further, a bidirectional screw rod is movably installed between the left inner wall and the right inner wall of the hollow part in the interior, a group of sliding blocks are movably installed at thread parts at two ends of the bidirectional screw rod respectively, and a group of installation columns are fixedly installed on each group of sliding blocks.

Further, the left end of the bidirectional screw is fixedly provided with a turntable, and the turntable is positioned on the outer side of the bottom shell of the suitcase.

Further, two groups of second sliding grooves are formed in the bottom of the bottom shell of the suitcase, and the sliding blocks are movably mounted in the second sliding grooves.

Further, a plurality of groups of first notches are formed in the bottom of the bottom shell of the suitcase.

Further, the upper inner wall of the bottom shell of the suitcase is fixedly provided with a plurality of groups of springs, and the lower end of each group of springs is fixedly connected with a group of movable frames.

The beneficial effects of the utility model are as follows: through rotatory carousel for two sets of slider relative motions of bi-directional screw rotation drive, make two sets of erection columns can relative motion, make the gyro wheel can remove on the adjustable shelf, because the adjustable shelf up end is the inclined plane, can make four sets of adjustable shelves simultaneously by the pushing down through the cooperation of gyro wheel and adjustable shelf, make the universal wheel can stretch out, when needing to withdraw, reverse rotation carousel, the adjustable shelf can retrieve under the effect of spring elastic force, can operate when the suitcase stands on ground, need not take up the case then keep flat the operation, labour saving and time saving.

Drawings

The utility model will be further described with reference to the drawings and examples.

FIG. 1 is a schematic plan view of the recovery state of the present utility model;

FIG. 2 is a front cross-sectional view of the recovered state of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model in use;

fig. 4 is a front view of the recovery state of the present utility model;

fig. 5 is a front view of the use state of the present utility model.

In the figure: 1. the luggage case comprises a bottom shell, a hollow part, a mounting shaft, a first mounting block, a second mounting block, a movable frame, a first sliding groove, a mounting column, a roller, a universal wheel, a sliding block, a bidirectional screw, a turntable, a first notch, a second notch, a spring and a second sliding groove.

Detailed Description

In order to more clearly illustrate the technical solution of the present utility model, it is obvious that the following description of the present utility model is provided by way of example only, and it is within the scope of the present utility model to one skilled in the art to obtain other embodiments according to the present utility model without inventive effort.

As shown in fig. 1 to 5, the luggage case comprises a luggage case bottom shell 1, an inner hollow 2 is arranged in the luggage case bottom shell 1, a mounting shaft 3 is welded and mounted in the middle of the front and rear inner walls of the inner hollow 2, a first mounting block 4 and a second mounting block 5 are rotatably and movably mounted on the mounting shaft 3, movable frames 6 are welded and mounted on the side parts of the first mounting block 4 and the second mounting block 5, four groups of movable frames 6 are arranged, a group of universal wheels 10 are fixedly mounted at the lower ends of each group of movable frames 6, a first sliding groove 7 is arranged on the movable frames 6, rollers 9 are rotatably mounted in the first sliding groove 7, the first sliding groove 7 plays a limiting role on the rollers 9 to prevent the rollers 9 from falling out, the rollers 9 are movably mounted on mounting columns 8, two groups of rollers 9 are fixedly mounted on each group of mounting columns 8, the mounting columns 8 are movably mounted on second notch 15, and the second notch 15 is provided with four groups of four sides on the front and rear side walls of the luggage case bottom shell 1.

As shown in fig. 2 and fig. 3, the left and right inner walls of the hollow portion 2 are movably provided with a bidirectional screw 12 through bearings, two threaded portions at two ends of the bidirectional screw 12 are respectively movably provided with a group of sliding blocks 11 through threaded fit, the bottom of the luggage case bottom shell 1 is provided with two groups of second sliding grooves 17, the sliding blocks 11 are horizontally slidably mounted on the second sliding grooves 17, each group of sliding blocks 11 is provided with a group of mounting posts 8 in a welded manner, the left end of the bidirectional screw 12 is provided with a turntable 13 in a welded manner, the turntable 13 is located at the outer side of the luggage case bottom shell 1, and the bidirectional screw 12 can drive the two groups of sliding blocks 11 to move relatively through rotating the turntable 13.

As shown in fig. 2 and 3, the bottom of the luggage case 1 is provided with four sets of first slots 14, and the movable frame 6 may extend out of the luggage case 1 through the first slots 14.

As shown in fig. 2 and 3, four sets of springs 16 are fixedly mounted on the upper inner wall of the bottom shell 1 of the luggage case, and the lower end of each set of springs 16 is fixedly connected with a set of movable frames 6.

When the movable rack is used, the bidirectional screw 12 is rotated to drive the two groups of sliding blocks 11 to move relatively through the rotary table 13, the two groups of mounting posts 8 can move relatively, the roller 9 can move on the movable rack 6, and as the upper end surface of the movable rack 6 is an inclined surface, the four groups of movable racks 6 can be pressed down simultaneously through the cooperation of the roller 9 and the movable rack 6, the universal wheels 10 can extend out, when the movable rack is required to be retracted, the rotary table 13 is rotated reversely, the movable rack 6 can be retracted under the action of the elastic force of the spring 16, the luggage can be operated when standing on the ground, and the operation of taking up and then horizontally placing the luggage is not required, so that time and labor are saved.

The above embodiments are only exemplary embodiments of the present utility model and are not intended to limit the present utility model, and the scope of the present utility model is defined by the appended claims, and various modifications or equivalent substitutions may be made by those skilled in the art to which the present utility model pertains, and should be considered to fall within the scope of the present utility model.

Claims (6)

1. An adjustable bottom shell assembly, includes suitcase drain pan (1), its characterized in that: the inside of suitcase drain pan (1) is provided with inside hollow (2), inside inner wall middle part fixed mounting installation axle (3) around inside hollow (2), two sets of installation piece (4, 5) of movable mounting on installation axle (3), lateral part fixed mounting fly frame (6) of installation piece (4, 5), the lower extreme fixed mounting universal wheel (10) of fly frame (6), be provided with first spout (7) on fly frame (6), movable mounting gyro wheel (9) in first spout (7), gyro wheel (9) fixed mounting is in erection column (8), erection column (8) movable mounting is in second notch (15), second notch (15) are provided with the multiunit on the front and back lateral wall of suitcase drain pan (1).

2. An adjustable bottom shell assembly according to claim 1, wherein a bidirectional screw rod (12) is movably mounted between the left and right inner walls of the hollow part (2), a group of sliding blocks (11) are movably mounted at two end screw threads of the bidirectional screw rod (12), and a group of mounting posts (8) are fixedly mounted on each group of sliding blocks (11).

3. An adjustable bottom assembly according to claim 2, characterized in that the left end of the bi-directional screw (12) is fixedly provided with a turntable (13), the turntable (13) being located outside the luggage case (1).

4. An adjustable bottom shell assembly according to claim 2, characterized in that the bottom of the luggage case bottom shell (1) is provided with two sets of second sliding grooves (17), and the sliding block (11) is movably mounted on the second sliding grooves (17).

5. An adjustable bottom shell assembly according to claim 1, characterized in that the bottom of the luggage case (1) is provided with several sets of first notches (14).

6. An adjustable bottom shell assembly according to claim 1, wherein a plurality of groups of springs (16) are fixedly arranged on the upper inner wall of the bottom shell (1), and the lower end of each group of springs (16) is fixedly connected with a group of movable frames (6).