Pull rod type storage box

Abstract

The utility model provides a pull rod type storage box. The pull rod type storage box comprises a box body, a pull rod assembly and trundle assemblies, a fixing ring is arranged around the edge of the box body bottom plate, extends in the direction away from the box body bottom plate and is provided with a receding notch. The pull rod assembly comprises a pull rod and a pull rod fixing buckle, the pull rod comprises a fixing pipe, a telescopic rod and a grip, one end of the telescopic rod is arranged on the fixing pipe in a sleeving mode, the grip is connected to the other end of the telescopic rod and can stretch out of the receding notch, and the pull rod fixing buckle is detachably connected with the box body bottom plate and fixes the fixing pipe to the box body bottom plate; the trundle assembly comprises a trundle and a trundle installation base, and the trundle installation base is used for detachably fixing the trundle to the bottom plate of the box body and is arranged on the side, away from the receding notch, of the fixing ring. By arranging the pull rod assembly and the trundle assembly which are detachably assembled with the box body, the walking function is added on the basis of the storage function of the box body, and the storage box is convenient to move and carry.

Description

Technical Field

[0001] The utility model relates to the technical field of storage boxes, and in particular to a pull-rod type storage box. Background Art

[0002] A storage box is a box used to organize and store scattered items, and is widely used in homes and various warehouses. The storage box body generally includes a cavity and a lid, which are used to store items. Most storage boxes do not have walking casters, and when the items stored inside are heavy, it is very inconvenient to move them. Some storage boxes are provided with handles and casters to facilitate the movement of the box body. However, the casters are assembled on the box body by the manufacturer before leaving the factory. When the casters of the storage box are damaged, they cannot be replaced by the user. High-end storage boxes need to be sent back to the manufacturer for repair and replacement, and the manufacturer does not provide repair services for ordinary storage boxes, which is inconvenient for users. Utility Model Content

[0003] The utility model aims to provide a pull-rod type storage box which can be disassembled and assembled by the user with casters and a pull rod and is convenient to use.

[0004] In order to achieve the above objectives, the present invention provides the following technical solutions:

[0005] The utility model provides a pull-rod type storage box, comprising a box body and a pull-rod assembly and a caster assembly, both of which are detachably mounted to the bottom plate of the box body; the box body comprises a bottom plate and a fixing ring arranged around the edge of the bottom plate, the fixing ring extending in a direction away from the bottom plate of the box body, and the fixing ring is provided with a clearance notch; the pull-rod assembly comprises a pull rod and a pull-rod fixing buckle, the pull rod comprises a fixing tube, a telescopic rod and a handle, one end of the telescopic rod is sleeved on the fixing tube, the handle is connected to the other end of the telescopic rod and can extend from the clearance notch to the outside of the fixing ring, the pull-rod fixing buckle is detachably connected to the bottom plate of the box body and fixes the fixing tube to the bottom plate of the box body; the caster assembly comprises a caster and a caster mounting seat, the caster mounting seat is arranged on a side of the bottom plate of the box body away from the clearance notch, and is detachably fixed to the bottom plate of the box body, and the caster is rotatably mounted on the caster mounting seat.

[0006] In one embodiment, the bottom plate of the box is rectangular; the pull-rod storage box is also provided with four supporting legs, and the four supporting legs are respectively provided at the four corner ends of the box, and the supporting legs are covered with the fixing ring and fixed to the bottom plate of the box by screws.

[0007] In one embodiment, the support legs include a pair of first support legs and a pair of second support legs, the first support legs are integrally formed with the caster mounting seat, and the second support legs are arranged on one side of the fixing ring where the clearance gap is located.

[0008] In one embodiment, the first supporting leg and the second supporting leg both include an arc corner end and a mounting plate, the arc corner end is concentrically arranged with the corner end of the box body, and the mounting plate is horizontally arranged on the inner side of the arc corner end, and is provided with a screw hole for connecting to the bottom plate of the box body with the help of screws.

[0009] In one embodiment, the caster mounting seat is connected to one end of the arc line of the arc angle end, and is provided with a pair of ribs arranged at intervals, and the caster is rotatably mounted between the pair of ribs.

[0010] In one embodiment, the support leg includes an inner wall and an outer wall formed integrally, a clamping groove matching the fixing ring is defined between the inner wall and the outer wall, and reinforcing ribs are further provided between the inner wall and the outer wall.

[0011] In one embodiment, the trolley-type storage box also includes a corner guard provided at the top corner end of the box body, the corner guard includes a corner guard body and a splicing boss integrally formed with the corner guard body above the corner guard body, the splicing boss includes a first rounded corner portion concentrically arranged with the corner end of the box body, and a platform is formed between the first rounded corner portion and the outer edge of the corner guard body; an arc surface is formed on the inner side of the support leg, and when the trolley-type storage boxes are stacked on each other, the bottom end of the support leg of one trolley-type storage box is placed on the platform of another trolley-type storage box, and its inner arc surface is tightly pressed against the first rounded corner portion of the splicing boss.

[0012] In one embodiment, the fixing ring includes a fixing flange and a decorative strip, wherein the decorative strip is provided between the supporting legs, and the decorative strip is sleeved around the outer periphery of the fixing flange and fixed to the bottom plate of the box.

[0013] In one embodiment, the decorative strip includes a first fixing plate and a decorative strip body, the first fixing plate is used to be fixed to the bottom plate of the box, the decorative strip body includes an inner panel and an outer panel, the inner panel is perpendicular to the first fixing plate, a clamping groove matching the fixing flange is provided between the outer panel and the inner panel, and the outer panel is obliquely connected to the inner panel.

[0014] In one embodiment, the pull rod type storage box is further provided with a notch decorative shell at the notch of the fixing ring, and the notch decorative shell includes an integrally formed second fixing plate and a decorative shell body, the second fixing plate is parallel to the bottom plate of the box body and is fixed to the bottom plate of the box body by means of screws, and the decorative shell body has a pair of decorative covers that are arranged opposite to each other and correspondingly sleeved on the opposite ends of the notch, and the handle of the pull rod assembly extends from between the pair of decorative covers.

[0015] The technical solution provided by the present invention has the following beneficial effects: in the trolley-type storage box of the present invention, by providing a detachable connection between the trolley assembly and the caster assembly and the box body, the user can install the trolley and caster assembly on the box body as needed, thereby converting the storage box into a trolley box, thereby facilitating the movement of the storage box, and adding a mobile function to the storage function. In addition, since the caster and trolley are detachably connected to the box body, the trolley and caster are easily repaired and replaced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments of the present invention.

[0017] Figure 1 A three-dimensional diagram of the bottom surface of a pull-rod storage box provided in one embodiment of the utility model;

[0018] Figure 2 for Figure 1 A perspective view of the top surface of the pull-rod storage box shown;

[0019] Figure 3 A three-dimensional diagram of a box provided in one embodiment of the present utility model;

[0020] Figure 4 A three-dimensional diagram of a second supporting leg provided in one embodiment of the present utility model;

[0021] Figure 5 A three-dimensional diagram of a first supporting foot and a caster mounting base provided in one embodiment of the present utility model;

[0022] Figure 6 A three-dimensional diagram of a decorative strip provided in one embodiment of the present utility model;

[0023] Figure 7 A three-dimensional diagram of a notched decorative shell provided in one embodiment of the present utility model;

[0024] Figure 8 for Figure 7 A three-dimensional view of the notched decorative shell from another perspective; DETAILED DESCRIPTION

[0025] The following describes embodiments of the present invention in more detail with reference to the accompanying drawings. Although certain embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be construed as limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the accompanying drawings and embodiments of the present invention are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0026] It should be understood that the various steps described in the method embodiments of the present invention can be performed in a different order and / or in parallel. In addition, the method embodiments may include additional steps and / or omit the steps shown. The scope of the present invention is not limited in this respect.

[0027] As used herein, the term "including" and its variations are open-ended, i.e., "including but not limited to." The term "connected" may refer to a direct connection or an indirect connection via an intermediate component (element). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; and the term "some embodiments" means "at least some embodiments." Definitions of other terms are provided below.

[0028] It should be noted that the concepts of "first" and "second" mentioned in this utility model are only used to distinguish devices, modules or units, and are not used to limit these devices, modules or units to be different devices, modules or units, nor are they used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0029] See also Figures 1 to 7 The present invention provides a pull-rod type storage box 100 , in which a pull-rod assembly 20 and a caster assembly 30 are added to the bottom of the storage box body 10 , so that the storage box can be converted into a pull-rod box, which is convenient for moving the storage box.

[0030] The pull rod type storage box 100 includes a box body 10, a pull rod assembly 20 and a caster assembly 40. The pull rod assembly 20 and the caster assembly 40 are detachably connected to the box body 10.

[0031] Please combine Figure 3 The box body 10 has a generally rectangular bottom plate 11 with rounded corners. A retaining ring surrounds the bottom plate 11, extending away from the bottom plate 11. The retaining ring has a clearance notch in the middle of one of the short sides of the bottom plate 11. In another embodiment, the clearance notch can be in the middle of one of the long sides of the bottom plate 11.

[0032] The pull rod assembly 20 includes a pull rod 21 and a pull rod fixing buckle 22. The pull rod 21 can be telescopically extended from the clearance gap to facilitate the user to grasp and push the storage box. The pull rod fixing buckle 22 is detachably fixed to the bottom plate 11 to fix the pull rod 21 to the box body 10. The pull rod 21 specifically includes a fixed tube, a telescopic rod and a handle. The fixed tube is located in the fixed ring and is fixed to the bottom plate 11 through the pull rod fixing buckle 22. One end of the telescopic rod can be telescopically inserted into the fixed tube. The handle is connected to the other end of the telescopic tube and can be extended from the clearance gap for the user to grasp. It can be understood that the pull rod fixing buckle 22 has a buckle groove that matches the outer contour of the fixed tube. The pull rod fixing buckle 22 is connected to the box body 10 in a manner that the fixed tube is embedded in the buckle groove.

[0033] Please combine Figure 5 The caster assembly 40 includes a caster 41 and a caster mounting seat 42. The caster mounting seat 42 is enclosed in the fixing ring and fixed to the base plate 11 by screws. The caster 41 is rotatably mounted on the caster mounting seat 42. Two caster assemblies 40 are provided. The two caster assemblies 40 are located on the side of the base plate 11 opposite to the clearance notch (i.e., the caster assemblies 40 are located away from the clearance notch) and are respectively located at two corner ends of the box body 10.

[0034] Therefore, by making the pull rod assembly 20 and the caster assembly 40 detachable and assembled with the storage box body 10, the user can change the form of the storage box according to the application needs and use it as an ordinary storage box or a pull rod box. The pull rod assembly 20 or the caster assembly 40 can also be repaired and replaced accordingly when it is damaged, without having to replace the entire storage box, which is convenient for users to use and reduces costs.

[0035] Please combine Figure 4 and Figure 5 Furthermore, the pull-rod storage box 100 is further provided with four supporting legs 30, the height of which is matched with the caster assembly 40. The four supporting legs are correspondingly provided at the four corner ends of the box body 10, and the supporting legs 30 are sleeved on the fixing ring and fixed to the bottom plate 11 by screws.

[0036] By providing support feet 30 that match the height of the caster assembly 40, the box body 10 can be supported, making it easier to place the storage box. In addition, the support feet 30 are detachably connected to the box body 10, and the user can install and remove the support feet according to usage needs to meet the user's different usage needs.

[0037] In one embodiment, the support legs 30 include a pair of first support legs 31 and a pair of second support legs 32. The first support legs 31 are integrally formed with the caster mounting base 42, and the second support legs 32 are located on the side of the retaining ring where the clearance notch is located. By integrally forming the caster mounting base 42 with the first support legs 31, assembly of the pull-rod storage box 100 is facilitated.

[0038] In one embodiment, the support leg includes an integrally formed inner and outer wall, with a clip groove defined between the inner and outer walls that matches the fixing ring, and the fixing ring is embedded in the clip groove. Specifically, the first support leg has a first outer wall 311 and a first inner wall 312, with a first clip groove 310 defined between the first outer wall 311 and the first inner wall 312. The second support leg has a second outer wall 321 and a second inner wall 322, with a second clip groove 320 defined between the second outer wall 321 and the second inner wall 322.

[0039] A reinforcing rib 325 is provided between the inner wall and the outer wall to enhance the structural strength of the support leg. The inner wall is smaller than the outer wall, and the height difference matches the height of the studs on the mounting plate.

[0040] In one embodiment, each of the first support leg 31 and the second support leg 32 is provided with a mounting plate 35, which is disposed transversely at the top of the inner wall. The mounting plate 35 is provided with screw holes for connecting to the base plate 11 via screws, thereby securing the support legs to the base plate 11 by inserting screws into the screw holes. Preferably, the mounting plate 35 is provided with upper studs 324, which are disposed on the side of the mounting plate 35 facing the base plate 11 and can be abutted against the base plate 11, thereby enhancing the strength of the connection structure between the support legs and the box body 10. Furthermore, the studs 324 are concealed between the mounting plate and the base plate 11, improving the appearance of the assembled pull-rod storage box 100.

[0041] In one embodiment, the first supporting leg 31 and the second supporting leg 32 both have arc-shaped ends, and the caster mounting seat 42 is connected to one end of the arc line of the arc-shaped end of the first supporting leg 31, and is provided with a pair of spaced ribs 421, and the caster 41 is rotatably mounted between the pair of ribs 421.

[0042] Please combine Figure 2 Furthermore, the pull-rod storage box 100 also includes a corner guard 50 provided at the top corner end of the box body 10 for enhancing the strength of the storage box. The corner guard 50 includes a corner guard body and a splicing boss 51. The splicing boss is integrally formed with the corner guard body at the top end of the corner guard body.

[0043] The splicing boss includes a first rounded corner portion that is concentrically arranged with the corner end of the box body 10, and a platform is formed between the first rounded corner portion and the outer edge of the corner guard body.

[0044] The inner side of the support leg forms an arc surface. When the trolley type storage boxes 100 are stacked on each other, the bottom end of the support leg 30 of one trolley type storage box 100 is placed on the platform of another trolley type storage box 100, and its inner arc surface is tightly pressed against the first rounded corner portion of the splicing boss.

[0045] By providing a matching connection between the supporting feet and the corner guards, the storage boxes can be positioned when they are stacked, and the strength of the storage boxes when stacked can be provided to avoid the problem of tipping over when the storage boxes are stacked.

[0046] Please combine Figure 6 Furthermore, the fixing ring includes a fixing flange 12 and a decorative strip 70. The decorative strip 70 is provided between the supporting legs 30. The decorative strip 70 is sleeved around the outer periphery of the fixing flange 12 and fixed to the bottom plate 11. The fixing flange 12 can be integrally formed with the box body 10 or assembled to the box body 10 later. The fixing flange 12 can protrude from the side panels of the box body 10 to form a skirt, or it can be within the contour defined by the outer surface of the side panels.

[0047] In one embodiment, the decorative strip 70 includes a first fixing plate 72 and a decorative strip body 71. The first fixing plate 72 is used to fix to the base plate 11. The decorative strip body 71 includes an inner panel and an outer panel. The inner panel is perpendicular to the first fixing plate. A groove matching the fixing flange 12 is defined between the outer panel and the inner panel. The outer panel is obliquely connected to the inner panel, and the fixing ring is embedded in the groove 73. The decorative strip body 71 is provided with a plurality of reinforcing ribs 74 spaced along its height to enhance its structural strength.

[0048] Preferably, the mounting plates 35 of each of the first supporting leg 31 and the second supporting leg 32 are bent upward to form a buckling portion 351. At least part of the structure of the buckling portion 351 is buckled onto the side of the first fixing plate 72 of the decorative strip away from the decorative strip body 71 when the supporting leg is connected to the fixing ring, thereby improving the connection strength. In addition, by providing the buckling portion, the studs can also be shielded to avoid exposure of the studs, thereby enhancing the aesthetic effect of the connection part.

[0049] Please combine Figure 7 and Figure 8Furthermore, the pull-rod storage box 100 is provided with a notch decorative shell 60 at the notch of the fixing ring. The notch decorative shell 60 comprises an integrally formed second fixing plate 62 and a decorative shell body. The second fixing plate 62 is parallel to the bottom plate 11 and is fixed to the bottom plate 11 by screws. The decorative shell body has a pair of decorative sleeves 61 arranged opposite each other and correspondingly sleeved at opposite ends of the notch. The handle of the pull-rod assembly 20 extends from between the pair of decorative sleeves. In addition, the decorative shell body is further provided with a clamping groove 63, which is sleeved on the fixing ring when the notch decorative shell 60 is assembled with the box body 10. The second fixing plate 62 is provided with a stud 64 on the side facing the bottom plate of the box body. The notch decorative shell is fixed to the box body by screws passing through the stud 64 and connected to the bottom plate.

[0050] Preferably, the outer contours of the decorative strip 70 and the notch decorative shell 60 are matched with the supporting feet, so that the bottom of the box body 10 has a unified and coordinated appearance.

[0051] Thus, by providing the decorative strip 70 and the notch decorative shell 60 sleeved on the outer circumference of the fixing ring, the aesthetics of the pull-rod type storage box 100 is improved.

[0052] In the embodiment of the present invention, the pull rod fixing buckle 22, the corner guard 50, the caster mounting seat 42 and the supporting legs are all made of metal material or hard plastic to enhance the structural strength of the pull rod type storage box 100.

[0053] The trolley type storage box 100 of the present invention can be assembled into the trolley type storage box 100 by the manufacturer or the trolley type storage box 100 can be disassembled into the box body 10, the trolley assembly 20, the caster assembly 40, the notched decorative shell 60 and the decorative strip 70 for separate packaging and sales, and then assembled by the user. The user can also purchase the corresponding trolley assembly 20, the caster assembly 40, the notched decorative shell 60 and the decorative strip 70, and drill fixing holes 111 on the existing storage box bottom plate 11 for assembly, thereby converting an existing storage box that does not have a walking function into a trolley type storage box 100 to meet the user's various usage needs.

[0054] The above description is merely a preferred embodiment of the present invention and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the present invention is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the concept of the above-mentioned utility model. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) other technical features with similar functions in the present invention.

[0055] Although the subject matter has been described in language specific to structural features and / or methodological logical acts, it should be understood that the subject matter defined in the appended claims is not necessarily limited to the specific features or acts described above. Rather, the specific features and acts described above are merely example forms of implementing the claims.

Claims

1. A pull-rod storage box, characterized in that: It includes a box body and a pull rod assembly and a caster assembly which are detachably mounted on the bottom plate of the box body; The box body includes a bottom plate and a fixing ring arranged around the edge of the bottom plate, the fixing ring extends away from the bottom plate of the box body, and a clearance notch is provided on the fixing ring; The pull rod assembly includes a pull rod and a pull rod fixing buckle. The pull rod includes a fixing tube, a telescopic rod and a handle. One end of the telescopic rod is sleeved on the fixing tube. The handle is connected to the other end of the telescopic rod and can extend from the notch to the outside of the fixing ring. The pull rod fixing buckle is detachably connected to the bottom plate of the box and fixes the fixing tube to the bottom plate of the box. The caster assembly includes a caster and a caster mounting seat. The caster mounting seat is arranged on a side of the box bottom plate away from the clearance gap and is detachably fixed to the box bottom plate. The caster is rotatably mounted on the caster mounting seat.

2. The pull-rod storage box according to claim 1, characterized in that: The bottom plate of the box body is rectangular; The pull-rod storage box is further provided with four supporting legs, which are respectively provided at the four corner ends of the box body. The supporting legs are sleeved on the fixing ring and fixed to the bottom plate of the box body by screws.

3. The pull-rod storage box according to claim 2, characterized in that: The supporting legs include a pair of first supporting legs and a pair of second supporting legs. The first supporting legs are integrally formed with the caster mounting seat, and the second supporting legs are arranged on one side of the fixing ring where the clearance notch is located.

4. The pull-rod storage box according to claim 3, characterized in that: The first supporting leg and the second supporting leg both include an arc corner end and a mounting plate. The arc corner end is concentrically arranged with the corner end of the box body. The mounting plate is horizontally arranged on the inner side of the arc corner end and is provided with screw holes for connecting to the bottom plate of the box body with screws.

5. The pull-rod storage box according to claim 4, characterized in that: The caster mounting seat is connected to one end of the arc line of the arc angle end, and is provided with a pair of ribs arranged at intervals, and the caster is rotatably mounted between the pair of ribs.

6. The pull-rod storage box according to claim 2, characterized in that: The support leg includes an inner wall and an outer wall formed in one piece, a clamping groove matching the fixing ring is defined between the inner wall and the outer wall, and reinforcing ribs are further provided between the inner wall and the outer wall.

7. The pull-rod storage box according to claim 2, characterized in that: The pull-rod storage box further includes a corner guard provided at a top corner end of the box body, the corner guard including a corner guard body and a splicing boss formed integrally with the corner guard body above the corner guard body, the splicing boss including a first rounded corner portion concentrically provided with the corner end of the box body, a platform being formed between the first rounded corner portion and the outer edge of the corner guard body; The inner side of the support leg forms an arc surface. When the drawbar type storage boxes are stacked on each other, the bottom end of the support leg of one drawbar type storage box is placed on the platform of another drawbar type storage box, and its inner arc surface is tightly pressed against the first rounded corner portion of the splicing boss.

8. The pull-rod storage box according to claim 2, characterized in that: The fixing ring includes a fixing flange and a decorative strip, wherein the decorative strip is arranged between the supporting legs, and the decorative strip is sleeved on the outer periphery of the fixing flange and fixed to the bottom plate of the box body.

9. The pull-rod storage box according to claim 8, characterized in that: The decorative strip includes a first fixing plate and a decorative strip body. The first fixing plate is used to be fixed to the bottom plate of the box. The decorative strip body includes an inner panel and an outer panel. The inner panel is perpendicular to the first fixing plate. There is a clamping groove between the outer panel and the inner panel that matches the fixing flange, and the outer panel is obliquely connected to the inner panel.

10. The pull-rod storage box according to claim 1, characterized in that: The pull rod type storage box is also provided with a notch decorative shell at the notch of the fixing ring. The notch decorative shell includes an integrally formed second fixing plate and a decorative shell body. The second fixing plate is parallel to the bottom plate of the box body and is fixed to the bottom plate of the box body by means of screws. The decorative shell body has a pair of decorative covers that are arranged opposite to each other and correspondingly sleeved on the opposite ends of the notch. The handle of the pull rod assembly extends from between the pair of decorative covers.

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