CN216796771U

CN216796771U - Folding draw-bar box

Info

Publication number: CN216796771U
Application number: CN202122882193.6U
Authority: CN
Inventors: 彭海涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-24
Anticipated expiration: 2031-11-23

Abstract

The utility model provides a folding draw-bar box, which relates to the technical field of draw-bar boxes and comprises a draw-bar box body, wherein the draw-bar box body comprises a front plate, a rear plate and two opposite side plates, each side plate comprises a plurality of plate bodies which are sequentially hinged, and the plate bodies positioned on two sides of each side plate are respectively connected with the front plate and the rear plate. When the draw-bar box is needed to be used, the plate bodies which are sequentially hinged are unfolded; when the draw-bar box needs to be stored, a plurality of plate bodies which are sequentially hinged are rotated and folded, so that the distance between the front plate and the rear plate is shortened, the occupied volume of the whole draw-bar box is reduced, and the draw-bar box is convenient to store. A folding draw-bar box comprises an easel and any one of the folding draw-bar boxes, wherein the easel is detachably connected with the outer side wall of a draw-bar box body. The easel which is large in size and cannot be placed in the draw-bar box is connected to the outer side wall of the draw-bar box, the easel is convenient to carry along with the draw-bar box, and the easel can be detached from the draw-bar box for use when the easel is used.

Description

Folding draw-bar box

Technical Field

The utility model relates to the technical field of draw-bar boxes, in particular to a folding draw-bar box.

Background

The trolley case refers to a luggage case with a pull rod and rollers, and is widely used due to convenient use.

The existing draw-bar box needs to occupy a large storage space when not in use.

For artists or painters, a large number of painting tools, especially large-sized easels, cannot be put into the draw-bar box, and are inconvenient to carry.

SUMMERY OF THE UTILITY MODEL

On one hand, the utility model provides a folding draw-bar box which can be folded when not in use, so that the occupied space is reduced, and the storage is convenient.

On the other hand, the utility model provides the folding draw-bar box, the outer side wall of the folding draw-bar box is detachably connected with a large easel, and the folding draw-bar box is convenient to carry.

The embodiment of the utility model is realized by the following steps:

in one aspect, some embodiments of the present invention provide a foldable trolley case, which includes a trolley case body, the trolley case body includes a front plate, a rear plate and two opposite side plates, each of the two side plates includes a plurality of plate bodies hinged in sequence, and the plate bodies located at two sides of the side plates are respectively connected to the front plate and the rear plate.

In some embodiments of the present invention, the plate bodies located at two sides of the side plate are respectively hinged with the front plate and the rear plate, and the side walls of any two adjacent plate bodies can be mutually attached and magnetically attracted.

In some embodiments of the present invention, the draw-bar box body further includes a box cover, the box cover includes a plurality of top plates hinged in sequence, one top plate located at the edge is hinged to the rear plate, the side wall of the rear plate facing the front plate is provided with a first accommodating groove, and the box cover can be folded and screwed into the first accommodating groove.

In some embodiments of the present invention, the trolley case body further includes a case bottom, the case bottom includes a plurality of bottom plates hinged in sequence, one bottom plate located at the edge is hinged to the rear plate, the side wall of the rear plate facing the front plate is provided with a second accommodating groove, and the case bottom can be folded and screwed into the second accommodating groove.

In some embodiments of the present invention, the bottom of each of the front and rear plates is provided with a roller assembly;

the roller assembly comprises a first connecting rod and a universal wheel, one end of the first connecting rod is connected with the universal wheel, and the other end of the first connecting rod is hinged with the front plate or the rear plate.

In another aspect, some embodiments of the present invention provide a collapsible trolley case further comprising an easel removably attached to the exterior side wall of the trolley case body.

In some embodiments of the utility model, the easel comprises two second connecting rods arranged in parallel and a supporting frame, the end part of the supporting frame is hinged with the tops of the two second connecting rods simultaneously, the bottom end of each second connecting rod is hinged with a sliding rod, the end part of the supporting frame far away from the second connecting rods is connected with the two sliding rods simultaneously in a sliding mode, and the two second connecting rods are detachably connected with the rear plate.

In some embodiments of the utility model, the easel further comprises an adjusting rod, adjusting pieces are screwed at two ends of the adjusting rod, the supporting frame comprises two supporting rods, one ends of the two supporting rods are respectively hinged with the two second connecting rods, sliding holes are formed at the other ends of the two supporting rods, first sliding grooves are formed in the opposite side walls of the two sliding rods, a plurality of clamping grooves are formed in the bottom wall of each first sliding groove along the extending direction of the bottom wall, first clamping portions matched with the clamping grooves are formed in the end portions, far away from the adjusting rod, of the adjusting pieces, the two adjusting pieces are respectively slidably arranged in the two sliding holes in a penetrating mode, and the first clamping portions can extend into the first sliding grooves and be clamped in any one of the clamping grooves through rotation of the adjusting rod.

In some embodiments of the utility model, the easel further comprises two limit bolts, and the easel further comprises a table plate which is hinged to the two support rods through two sets of K-shaped folding supports;

the two sets of K-shaped folding supports comprise connecting pieces connected with the supporting rods, the two connecting pieces are provided with T-shaped sliding blocks, the two supporting rods are provided with T-shaped grooves matched with the T-shaped sliding blocks along the length direction, and the T-shaped sliding blocks are arranged in the T-shaped grooves in a sliding mode;

the screw has all been seted up to the lateral wall in two T shape grooves, and two spacing bolts revolve respectively and close into two screws and extend into two T shape grooves, two spacing bolts respectively with the lateral wall butt of two T shape sliders.

In some embodiments of the present invention, the top of the table plate is provided with a receiving groove, and the receiving groove is covered with the cover body.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

on one hand, the utility model provides a folding draw-bar box which comprises a draw-bar box body, wherein the draw-bar box body comprises a front plate, a rear plate and two opposite side plates, each of the two side plates comprises a plurality of plate bodies which are sequentially hinged, and the plate bodies positioned on the two sides of each side plate are respectively connected with the front plate and the rear plate. When the draw-bar box is needed, the sequentially hinged plate bodies are unfolded; when needs accomodate the draw-bar box, will be articulated a plurality of plate bodys rotation folding in proper order to shorten the distance between front bezel and the back plate, reduce the volume that whole draw-bar box occupy, convenient storage.

On the other hand, the utility model provides a folding draw-bar box which comprises an easel and any one of the folding draw-bar boxes, wherein the easel is detachably connected with the outer side wall of the draw-bar box body. The easel that is great in volume and can not be put into the draw-bar box is connected at the lateral wall of draw-bar box, conveniently carries along with the draw-bar box, can dismantle the exclusive use from the draw-bar box with the easel when using the easel.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the overall structure of a first foldable trolley case according to an embodiment of the present invention;

FIG. 2 is a schematic view of a storage structure of a case cover according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of the trolley case of the embodiment of the present invention with only two plate bodies folded;

FIG. 4 is a schematic view of the construction of the draw-bar box of the embodiment of the present invention in a fully collapsed condition;

FIG. 5 is a schematic view of a bottom structure of an embodiment of the utility model;

FIG. 6 is a schematic view of the bottom structure of the case with only two folded plate bodies according to the embodiment of the present invention;

FIG. 7 is a schematic view of a storage structure at the bottom of the case according to the embodiment of the present invention;

FIG. 8 is a sectional view of a side-view connecting structure of a roller assembly according to an embodiment of the present invention;

FIG. 9 is a sectional view of a top connection structure of a roller assembly in accordance with an embodiment of the present invention;

FIG. 10 is a schematic view of the overall structure of a second foldable draw-bar box according to the embodiment of the present invention;

FIG. 11 is a sectional view showing a connecting structure of an easel and a rear plate according to an embodiment of the present invention;

FIG. 12 is a schematic structural view of an easel according to an embodiment of the present invention;

FIG. 13 is an exploded view of a connection structure of a support pole and a slide pole according to an embodiment of the present invention;

fig. 14 is an exploded view of a connecting structure of a connecting member and a support rod according to an embodiment of the present invention.

Icon: 1-a front plate; 2-a rear plate; 3-side plate; 4-a plate body; 5-box cover; 6-box bottom; 7-a first pull rod; 8-a first hinge; 9-a second hinge; 10-a top plate; 11-a first receiving groove; 12-a base plate; 13-a second receiving groove; 14-a first connecting rod; 15-universal wheels; 16-a fixture block; 17-a second snap-in part; 18-a third snap-fit portion; 19-T shaped chute; 20-salient points; 21-a groove; 22-a door body; 23-easel; 24-a second connecting rod; 25-a support frame; 26-a slide rod; 27-hanging hooks; 28-hanging grooves; 29-adjusting rod; 30-an adjustment member; 31-a support bar; 32-a slide hole; 33-a first runner; 34-a card slot; 35-a first snap-in part; 36-a bump; 37-a limit bolt; 38-a table plate; a 39-K shaped folding bracket; 40-a connector; 41-T shaped slide block; 42-screw hole; 43-T-shaped slots; 44-a holding tank; 45-cover body; 46-second pull rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, or an orientation or a positional relationship which is usually placed when the products of the present invention are used, the description is only for convenience and simplicity, and the indication or the suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, the present invention should not be construed as being limited. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, "a plurality" represents at least 2.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be broadly construed and interpreted as including, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

Example 1

Please refer to fig. 1-9.

The utility model provides a folding draw-bar box which comprises a draw-bar box body, wherein the draw-bar box body comprises a front plate 1, a rear plate 2 and two opposite side plates 3, each of the two side plates 3 comprises a plurality of plate bodies 4 which are sequentially hinged, and the plate bodies 4 positioned on two sides of each side plate 3 are respectively connected with the front plate 1 and the rear plate 2.

In the present embodiment, based on fig. 1, 3 and 4, the front plate 1, the rear plate 2, the two side plates 3, the box cover 5 and the box bottom 6 together enclose a box body structure of the draw-bar box body, and the top of the rear plate 2 is provided with a first telescopic draw bar 7; the two side plates 3 are provided with four plate bodies 4 with the same width, and the edges of any two adjacent plate bodies 4 are hinged through a first hinge part 8 and a hinge shaft. In detail, the edges of any two adjacent plate bodies 4 are provided with first hinge parts 8 which are mutually inserted, the size of the first hinge parts 8 along the thickness direction of the plate bodies 4 is twice the thickness of the plate bodies 4, so that the side walls of the two adjacent plate bodies 4 can be attached when the two adjacent plate bodies 4 are folded, and the mutually inserted first hinge parts 8 are hinged through hinge shafts inserted in the first hinge parts 8; the plate bodies 4 positioned at the edges of the two sides of the side plate 3 are respectively hinged with the front plate 1 and the rear plate 2 through a second hinge part 9 and a hinge shaft. In detail, the opposite side wall edges of the front plate 1 and the rear plate 2 and the edge of the plate body 4 are distributed with second hinge parts 9 which are mutually spliced, and the thickness of the second hinge parts 9 is the same as that of the plate body 4, so that the second hinge parts 9 can not interfere with the attachment of the plate body 4 and the front plate 1 or the rear plate 2. When the draw-bar box needs to be used, the plate bodies 4 which are sequentially hinged are unfolded; when needs accomodate the draw-bar box, will be articulated a plurality of plate bodies 4 rotation in proper order and snakelike folding to shorten the distance between front bezel 1 and the back plate 2, reduce the volume that whole draw-bar box occupy, convenient storage. Simultaneously, in the use, the user can also only fold two plate bodies 4 in the curb plate 3, and two other plate bodies 4 are in the state of expanding to the width of adjustment whole draw-bar box body, the width and the capacity that the user can adjust the draw-bar box according to the demand increase the suitability of product.

In other embodiments than the one described above, both side panels 3 have two panels 4 of the same width, the two panels 4 being hinged by hinges, the edges of the two panels 4 facing away from each other being hinged to the front panel 1 and the rear panel 2 by hinges as well.

In other embodiments except the above embodiment, two side plates 3 each have four plate bodies 4 with the same width, and the edges of any two adjacent plate bodies 4 are hinged by the first hinge portion 8 and the hinge shaft; the border of the plate body 4 located at the border of the two sides of the side plate 3 is respectively connected with the front plate 1 and the rear plate 2 through bolts or integrally formed, when the draw-bar box is folded, the two plate bodies 4 in the middle of the side plate 3 can be rotated and folded to be attached, so that the distance between the front plate 1 and the rear plate 2 is shortened, and the occupied volume of the whole draw-bar box is reduced.

It should be noted that each side plate 3 may be provided with six, seven, and other numbers of plate bodies 4, and is not limited to the number of the above embodiments.

Further, the plate bodies 4 positioned on two sides of the side plate 3 are hinged to the front plate 1 and the rear plate 2 respectively, and the side walls of any two adjacent plate bodies 4 can be mutually attached and connected in a magnetic attraction mode.

In this embodiment, the lateral wall of two arbitrary adjacent plate bodys 4 all pastes and has magnet, and is folding when the draw-bar box body, and its lateral wall laminating back, plate body 4 can adsorb each other and live to can not appear not hard up condition after accomodating, simultaneously, bare-handed when needing to use the draw-bar box can expand facilitates the use.

Further, the draw-bar box body still includes case lid 5, and case lid 5 includes a plurality of articulated roof 10 in proper order, and a roof 10 that is located the border is articulated with back plate 2, and back plate 2 has seted up first storage tank 11 towards the lateral wall of front bezel 1, and case lid 5 can be folded and during the first storage tank 11 of screw in.

In the present embodiment, based on fig. 1 and 2, the number of the top plates 10 is two, the width of each top plate 10 is the same as the width of the two plate bodies 4, the edges of the two top plates 10 are hinged, and the hinge structure adopts the structure of the first hinge part 8 and the hinge shaft; the side wall of the rear plate 2 facing the front plate 1 is provided with a first accommodating groove 11, the depth of the first accommodating groove 11 is the same as the total thickness of the two top plates 10, and the edge of one top plate 10 departing from the other top plate 10 is hinged with the bottom wall of the first accommodating groove 11 by adopting the structure of the second hinge part 9 and the hinge shaft; when the draw-bar box needs to be folded, the two top plates 10 are rotated, the side walls of the two top plates 10 are mutually attached, and the two top plates 10 are simultaneously screwed into the first accommodating grooves 11, so that the top plates 10 are ensured not to block the folding of the side plates 3.

In the above embodiment, as shown in fig. 3, if the user folds only two of the four plate bodies 4 and unfolds the other two plate bodies 4 according to the capacity of the carried article, the two top plates 10 can be folded and used as the box cover 5 of the draw-bar box of the size.

In other embodiments than the above, each cover 5 includes four top panels 10 hinged in turn by hinges, each top panel 10 having the same width as one of the panels 4.

Further, the draw-bar box body still includes the bottom of the case 6, and bottom of the case 6 includes a plurality of articulated bottom plates 12 in proper order, and a bottom plate 12 that is located the border is articulated with back plate 2, and back plate 2 has seted up the second towards the lateral wall of front bezel 1 and has accomodate the groove 13, and bottom of the case 6 can fold and screw in the second accomodates the groove 13.

In the present embodiment, based on fig. 5 and 7, the number of the bottom plates 12 is two, the width of each bottom plate 12 is the same as the width of the two plate bodies 4, the edges of the two bottom plates 12 are hinged, and the hinge structure adopts the structure of the first hinge part 8 and the hinge shaft; the side wall of the back plate 2 facing the front plate 1 is provided with a second accommodating groove 13, the depth of the second accommodating groove 13 is the same as the total thickness of the two bottom plates 12, and the edge of one bottom plate 12 departing from the other bottom plate 12 is hinged with the bottom wall of the second accommodating groove 13 by adopting the structure of the second hinge part 9 and the hinge shaft; when the draw-bar box needs to be folded, the two bottom plates 12 are rotated, the side walls of the two bottom plates 12 are mutually attached, and the two bottom plates 12 are simultaneously screwed into the second accommodating grooves 13, so that the top plate 10 is ensured not to block the folding of the side plates 3.

In the above embodiment, as shown in fig. 6, if the user folds only two of the four plate bodies 4 and unfolds the other two plate bodies 4 according to the capacity of the carried article, the two bottom plates 12 can be folded to be used as the box bottom 6 of the draw-bar box of the size.

In other embodiments than the one described above, each bottom 6 comprises four bases 12 hinged in turn by hinges, each base 12 having the same width as one of the panels 4.

Further, the bottoms of the front plate 1 and the rear plate 2 are provided with roller assemblies; the roller assembly comprises a first connecting rod 14 and a universal wheel 15, one end of the first connecting rod 14 is connected with the universal wheel 15, and the other end of the first connecting rod 14 is hinged with the front plate 1 or the rear plate 2.

In the present embodiment, based on fig. 5, the number of the roller assemblies is four, two of the roller assemblies are connected to the bottom of the front plate 1, and the other two roller assemblies are connected to the bottom of the rear plate 2; the roller assembly comprises a first connecting rod 14, the bottom of one end of the first connecting rod 14 is connected with a universal wheel 15, and the top of the other end of the first connecting rod is hinged with the front plate 1 or the rear plate 2. When the draw-bar box is used, the first connecting rod 14 is rotated to be perpendicular to the front plate 1 and the rear plate 2, and at the moment, the distance between the universal wheels 15 of the front plate 1 and the universal wheels 15 of the rear plate 2 can be increased, so that the supporting stability of the universal wheels 15 is improved, and the draw-bar box is prevented from toppling; when the draw-bar box is stored, the first connecting rod 14 rotates to be parallel to the front plate 1 and the rear plate 2, and the space occupied by the roller assemblies is reduced.

In the above embodiment, based on fig. 5, 8 and 9, a latch 16 is arranged at the top of one end of the first connecting rod 14 away from the universal wheel 15, the latch 16 includes a second latch portion 17 and a third latch portion 18 which are vertically arranged and are both in a cylindrical shape, and the diameter of the second latch portion 17 is larger than that of the third latch portion 18; the bottoms of the front plate 1 and the rear plate 2 are respectively provided with two T-shaped sliding grooves 19 matched with the clamping blocks 16; the lateral wall of second joint portion 17 is provided with two surface and is curved bump 20, and two bumps 20 are 180 degrees contained angles and set up and its line and the extending direction coincidence of first connecting rod 14, and the relative lateral wall is seted up with bump 20 matching's recess 21 on T shape spout 19 is close to the border tip. When the roller assembly is in an unfolding state, the two salient points 20 are clamped in the two grooves 21, so that the position of the roller assembly is fixed; when the roller assembly needs to be stored, the first connecting rod 14 is rotated towards the outer side by force and is parallel to the front plate 1 or the rear plate 2, a certain amount of elastic deformation can occur on the side wall of the T-shaped sliding groove 19, the arc-shaped salient point 20 can be separated from the groove 21, at the moment, the first connecting rod 14 can slide along the T-shaped sliding groove 19 and is completely placed into the bottom of the draw-bar box, and therefore the space occupied by the roller assembly is reduced.

Further, based on fig. 1, the junction of the box cover 5 and the front plate 1 is connected through a coded lock, so that the safety of the whole draw-bar box is improved; meanwhile, the door 22 is opened on the side wall of the front plate 1. Because the draw-bar box is deep, articles at the bottom 6 of the draw-bar box are not easy to take out from the box cover 5, and the door body 22 is arranged on the side wall of the front plate 1, so that a user can take out the articles in the draw-bar box from the door body 22 conveniently. Also, a combination lock is provided at the door 22 to increase security.

Example 2

Please refer to fig. 10 and 14.

This embodiment supplies a folding draw-bar box, still includes easel 23, and easel 23 can dismantle with the lateral wall of draw-bar box body and be connected.

In this embodiment, based on fig. 10, the easel 23 that has a large volume and cannot be placed in the draw-bar box is connected to the outer side wall of the draw-bar box, so that the easel 23 can be conveniently carried along with the draw-bar box, and the easel 23 can be detached from the draw-bar box for separate use when the easel 23 is used.

Further, the easel 23 comprises two second connecting rods 24 arranged in parallel and a supporting frame 25 with the ends hinged to the tops of the two second connecting rods 24, the bottom end of each second connecting rod 24 is hinged to a sliding rod 26, the ends of the supporting frame 25 far away from the second connecting rods 24 are connected with the two sliding rods 26 in a sliding mode, and the two second connecting rods 24 are detachably connected with the rear plate 2.

In this embodiment, based on fig. 11 and 12, two second connecting rods 24 are respectively provided with three L-shaped hooks 27 along the length direction, the side wall of the rear plate 2 away from the front plate 1 is provided with a hanging groove 28 with an L shape, and the whole easel 23 is hung on the rear plate 2 through the L-shaped hooks 27, so that the connection between the easel 23 and the draw-bar box body is realized. The top of the second connecting rod 24 is hinged to the top of the supporting frame 25, the bottom of the second connecting rod 24 is hinged to one end of the sliding rod 26, the bottom of the supporting frame 25 is connected to the sliding rod 26 in a sliding manner, the whole easel 23 is in a triangular supporting structure, and a user can adjust the inclination angle of the whole supporting frame 25 by adjusting the relative positions of the supporting frame 25 and the sliding rod 26, so that the applicability of the product is improved. When the easel 23 is required to be stored and connected to the draw-bar box during use, the second connecting rod 24, the slide bar 26 and the support frame 25 can be folded to minimize the volume occupied by the easel.

In other embodiments than the above described embodiment, the two second connecting rods 24 may also be detachably connected to the back plate 2 by bolts.

Further, easel 23 still includes adjusts pole 29, the equal screw thread in both ends of adjusting pole 29 closes regulating part 30 soon, support frame 25 includes two spinal branch vaulting poles 31, the one end of two spinal branch vaulting poles 31 is articulated with two second connecting rods 24 respectively, slide opening 32 has all been seted up to the other end of two spinal branch vaulting poles 31, first spout 33 has all been seted up to the lateral wall that two spinal branch vaulting poles 26 are relative, the diapire of first spout 33 is provided with a plurality of draw-in grooves 34 along its extending direction, regulating part 30 keeps away from the tip of adjusting pole 29 and sets up the first joint portion 35 that matches with draw-in groove 34, two regulating part 30 slide respectively and wear to locate two draw-in holes 32, can make first joint portion 35 extend into first spout 33 and joint in arbitrary one draw-in groove 34 through rotation regulation pole 29.

In this embodiment, based on fig. 12 and 13, the opposite side walls of the two slide rods 26 are both provided with first slide grooves 33, and the bottom walls of the first slide grooves 33 are distributed with clamping grooves 34 in a zigzag manner; threaded holes are formed in both ends of the adjusting rod 29, the adjusting pieces 30 are cylindrical, external threads are formed in one ends of the adjusting pieces 30, and the two adjusting pieces 30 are screwed on both ends of the adjusting rod 29 through the external threads; the end parts of the support rods 31 are provided with slide holes 32, the adjusting rod 29 is positioned between the two support rods 31, and the two adjusting pieces 30 are respectively arranged in the slide holes 32 on the two support rods 31 in a penetrating way; the side walls of the two adjusting pieces 30 are provided with a convex block 36, the convex block 36 is positioned in the sliding hole 32, and the convex block 36 can prevent the support rod 31 and the adjusting pieces 30 from rotating relatively; by rotating the adjusting rod 29, the adjusting member 30 can pass through the sliding hole 32 and extend into the sliding slot, and the first clamping portion 35 at the end of the adjusting member 30 is clamped into the clamping groove 34, so that the position between the adjusting rod 29 and the sliding rod 26 is clamped and fixed. When the angle of the easel 23 needs to be adjusted, the adjusting rod 29 is rotated reversely, the adjusting piece 30 moves in the direction away from the clamping groove 34, the first clamping portion 35 is separated from the clamping groove 34, the relative position of the support rod 31 and the slide rod 26 can be adjusted, and after the position is adjusted, the adjusting rod 29 is rotated again, so that the first clamping portion 35 is clamped into the clamping groove 34 in the corresponding position. When the easel 23 needs to be stored, the adjustment lever 29 is rotated to allow the first engaging portion 35 to completely enter the slide hole 32, and the support lever 31 is separated from the slide bar 26. Because the support rod 31 and the slide rod 26 are both hinged with the second connecting rod 24, the support rod 31 and the slide rod 26 are both rotated to be in a state of being attached to the second connecting rod 24, so that the whole easel 23 is planar, and the easel 23 after being folded is connected to the draw-bar box body and can be carried along with the draw-bar box body.

Furthermore, the easel 23 also comprises two limit bolts 37, a table plate 38, and the table plate 38 is hinged to the two support rods 31 through two sets of K-shaped folding supports 39; the two sets of K-shaped folding supports 39 respectively comprise connecting pieces 40 connected with the supporting rods 31, the two connecting pieces 40 are respectively provided with a T-shaped sliding block 41, the two supporting rods 31 are respectively provided with a T-shaped groove 43 matched with the T-shaped sliding block 41 along the length direction, and the T-shaped sliding blocks 41 are arranged in the T-shaped grooves 43 in a sliding manner; screw holes 42 are formed in the side walls of the two T-shaped grooves 43, the two limiting bolts 37 are screwed into the two screw holes 42 respectively and extend into the two T-shaped grooves 43, and the two limiting bolts 37 are abutted to the side walls of the two T-shaped sliding blocks 41 respectively.

In this embodiment, as shown in fig. 12 and 14, the bottom of the table 38 is hinged to the two support rods 31 through the two K-shaped folding brackets 39, so that the table 38 can be rotated to a state of being attached to the support rods 31 when the easel 23 needs to be stored, the size is reduced, and the table 38 can be unfolded for use when the easel 23 needs to be used. The K-shaped folding support 39 is connected to the two support rods 31 in a sliding mode along the length direction, and a user can adjust the height of the whole table board 38 according to the requirement of the user, so that the easel 23 is more humanized. In detail, the K-shaped folding bracket 39 comprises a connecting piece 40, the side wall of the connecting piece 40 connected with the support rods 31 is connected with a T-shaped slider 41, and two support rods 31 are both provided with a T-shaped groove 43 matched with the T-shaped slider 41, so that the K-shaped folding bracket 39 can slide along the support rods 31; the side wall of the T-shaped groove 43 is provided with a screw hole 42, and the limiting bolt 37 is screwed into the screw hole 42 from the outer side of the support rod 31 and presses the connecting piece 40 in the T-shaped groove 43, so that the position of the desk plate 38 is fixed.

Further, a holding groove 44 is formed at the top of the table plate 38, and a cover body 45 is covered on the holding groove 44.

In this embodiment, based on fig. 12, the receiving groove 44 may provide a space for a user to store, for example, a brush is placed in the receiving groove 44 for easy access. The cover 45 covers the top of the table 38 and may be used as an area for painting.

Further, based on fig. 12, the top of the supporting frame 25 has a second pull rod 46, and the user can set the extending length of the second pull rod 46 according to his or her own needs.

In summary, in one aspect, the utility model provides a foldable draw-bar box, which comprises a draw-bar box body, wherein the draw-bar box body comprises a front plate 1, a rear plate 2 and two opposite side plates 3, each of the two side plates 3 comprises a plurality of plate bodies 4 which are sequentially hinged, and the plate bodies 4 on two sides of the side plates 3 are respectively connected with the front plate 1 and the rear plate 2. When the draw-bar box is used, the plate bodies 4 which are sequentially hinged are unfolded; when needs accomodate the draw-bar box, will be articulated a plurality of plate bodies 4 rotation folding in proper order to shorten the distance between front bezel 1 and the back plate 2, reduce the volume that whole draw-bar box occupy, convenient storage.

On the other hand, the utility model provides a folding draw-bar box, which comprises an easel 23 and any one of the folding draw-bar boxes, wherein the easel 23 is detachably connected with the outer side wall of the draw-bar box body. Connect the lateral wall at the draw-bar box with the great and unable easel 23 of putting into the draw-bar box of volume, conveniently carry along with the draw-bar box together, can dismantle easel 23 from the draw-bar box exclusive use when using easel 23.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A folding draw-bar box is characterized by comprising a draw-bar box body, wherein the draw-bar box body comprises a front plate, a rear plate and two opposite side plates, each of the two side plates comprises a plurality of plate bodies which are sequentially hinged, and the plate bodies positioned on the two sides of the side plates are respectively connected with the front plate and the rear plate;

the draw-bar box body still includes the case lid, the case lid includes a plurality of articulated roofs in proper order, is located one on border the roof with the back plate is articulated, the first groove of accomodating has been seted up towards the lateral wall of front bezel to the back plate, the case lid can fold and the screw in the first groove of accomodating.

2. The foldable draw-bar box of claim 1, wherein the plate bodies at two sides of the side plates are hinged with the front plate and the rear plate respectively, and the side walls of any two adjacent plate bodies can be attached to each other and magnetically attracted.

3. The foldable draw-bar box according to claim 1, wherein the draw-bar box body further comprises a box bottom, the box bottom comprises a plurality of bottom plates which are sequentially hinged, one bottom plate positioned on the edge is hinged with the rear plate, a second accommodating groove is formed in the side wall of the rear plate facing the front plate, and the box bottom can be folded and screwed into the second accommodating groove.

4. The foldable draw-bar box of claim 1, wherein the bottom of the front plate and the bottom of the rear plate are each provided with a roller assembly;

5. The folding trolley case as claimed in any one of claims 1 to 4, further comprising an easel, wherein the easel is detachably connected to the outer side wall of the trolley case body.

6. The folding draw-bar box according to claim 5, wherein the easel comprises two second connecting rods arranged in parallel and a supporting frame, the end parts of the two second connecting rods are hinged with the tops of the two second connecting rods at the same time, the bottom end of each second connecting rod is hinged with a sliding rod, the end part, far away from the second connecting rods, of the supporting frame is connected with the two sliding rods in a sliding mode at the same time, and the two second connecting rods are detachably connected with the rear plate.

7. The folding draw-bar box according to claim 6, wherein the easel further comprises an adjusting rod, adjusting pieces are screwed at two ends of the adjusting rod, the supporting frame comprises two supporting rods, one end of each of the two supporting rods is hinged to the corresponding second connecting rod, sliding holes are formed in the other ends of the two supporting rods, first sliding grooves are formed in the opposite side walls of the two sliding rods, a plurality of clamping grooves are formed in the bottom wall of each first sliding groove along the extending direction of the bottom wall of the corresponding first sliding groove, first clamping portions matched with the clamping grooves are formed in the end portions, far away from the adjusting rod, of the adjusting pieces, the adjusting pieces are slidably arranged in the two sliding holes in a penetrating mode respectively, and the first clamping portions can extend into the first sliding grooves and be clamped in any one of the clamping grooves through rotation of the adjusting rod.

8. The folding draw-bar box according to claim 7, further comprising two limit bolts, wherein the easel further comprises a table plate, and the table plate is hinged to the two support rods through two sets of K-shaped folding supports;

the two sets of K-shaped folding supports respectively comprise connecting pieces connected with the supporting rods, the two connecting pieces are respectively provided with a T-shaped sliding block, the two supporting rods are respectively provided with a T-shaped groove matched with the T-shaped sliding block along the length direction, and the T-shaped sliding blocks are arranged in the T-shaped grooves in a sliding manner;

the side wall of two T shape groove has all seted up the screw, two spacing bolt is screwed into two respectively the screw extends into two the T shape groove, two spacing bolt respectively with two the lateral wall butt of T shape slider.

9. The foldable trolley case as claimed in claim 8, wherein the top of the table plate is formed with a receiving groove, and the receiving groove is covered with a cover body.