Rotational molding box convenient to stack

Abstract

The utility model provides a convenient-to-stack rotational moulding box, which comprises a rotational moulding box body, a top cover is hinged on the rotational moulding box body, a stacking assembly is installed on the rotational moulding box body, an external shell is connected with the rotational moulding box body through a connecting piece, sleeves are distributed at four corners of the external shell, and the top cover is connected with the top cover. The utility model relates to the technical field of rotational molding boxes, when the rotational molding box bodies are stacked up and down, the adjacent rotational molding box bodies in the vertical direction are attached together, and the rotational molding box bodies are stacked up and down, so that the rotational molding box bodies are not prone to falling off, and the rotational molding box bodies are not prone to falling off. The inserting rods are moved in the sleeves to connect the adjacent sleeves, the positions of the inserting rods are fixed through the locking pieces, vertical connection between the two external shells is achieved, the rotational molding box bodies are stacked in a vertical state, and then the rotational molding box body on the top layer is prevented from sliding off when the rotational molding box bodies are stacked.

Description

Technical Field

[0001] The utility model relates to the technical field of roto-molding boxes, in particular to a roto-molding box which is easy to stack. Background Art

[0002] A rotomolded box is a packaging container manufactured using a rotomolding process. It has good sealing properties and can be used for airtight packaging. It is suitable for storing items that need to be moisture-proof and mildew-proof, such as military supplies transportation, medical equipment transportation, sports and leisure equipment, etc.

[0003] Among them, rotomolded boxes need to be stacked when they are stored in batches. As the stacking height of the rotomolded boxes increases, the rotomolded boxes at the top are prone to slide down relying solely on the friction between the rotomolded boxes. Utility Model Content

[0004] The purpose of the utility model is to provide a rotomolded box that is easy to stack, so as to solve the problem that as the stacking height of the rotomolded boxes increases, the rotomolded box at the top is easy to slide down relying only on the friction between the rotomolded boxes.

[0005] The utility model provides a rotomolding box that is easy to stack, comprising a rotomolding box body, a top cover hinged on the rotomolding box body, and a stacking assembly mounted on the rotomolding box body, wherein the stacking assembly is used to constrain the rotomolding box bodies stacked up and down.

[0006] The stacking assembly includes an external shell, a connecting piece, a sleeve, a plug rod and a locking piece;

[0007] The external shell is connected to the rotationally molded box body through the connecting piece, the sleeves are distributed at the four corners of the external shell, the plug rod is inserted into the inner cavity of the sleeve, and the locking piece is used to adjust the use position of the plug rod so that adjacent external shells are connected end to end.

[0008] Preferably, the locking member includes a screw and a nut;

[0009] The screw rod is inserted into the sliding groove of the sleeve, one end of the screw rod is fixedly connected to the plug rod, and the other end of the screw rod is threadedly connected to the nut.

[0010] Preferably, a support assembly is provided on the external shell, and the support assembly is used to support the side surface of the external shell;

[0011] The support assembly includes a slide rail, a slide seat, a support rod and a portable rack;

[0012] The slide rail is fixedly connected to the outer periphery of the external shell, the slide seat is slidably connected to the slide rail, a positioning pin is provided in the slide seat, the slide rail is connected to the slide seat via the positioning pin, a support rod is inserted in the slide seat, a bolt is provided in the support rod, the support rod is connected to the slide seat via the bolt, and the handheld rack is fixedly connected to the outer periphery of the support rod.

[0013] Preferably, the connecting member includes a strip plate and a latch;

[0014] The strip plate is fixedly connected to the outer periphery of the rotationally molded box body, the strip plate is inserted into the card slot of the external shell, and the strip plate is connected to the external shell through the pin.

[0015] Preferably, a handle is fixedly connected to the external shell, and the handle is processed with stripes.

[0016] Preferably, a roller is provided on a side of the external shell away from the handle, and the rollers are symmetrically distributed along the external shell.

[0017] The present invention provides a roto-molded box that is easy to stack:

[0018] By cooperating with the external shell, connecting parts, sleeves, plug-in rods, locking parts, etc., the rotomolded box body is inserted into the cavity of the external shell, and the connecting parts are used to fix the position of the rotomolded box body in the external shell. When the rotomolded box bodies are stacked up and down, the adjacent rotomolded box bodies in the vertical direction are fitted together, and the plug-in rods are moved in the sleeves to connect the adjacent sleeves. The locking parts are used to fix the position of the plug-in rods to realize the upper and lower connection between the two external shells, so that the rotomolded box bodies can be stacked in a vertical state, thereby preventing the rotomolded box bodies on the top layer from slipping when the rotomolded box bodies are stacked. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of the utility model.

[0020] Figure 2 This is a structural diagram of the external shell, strip plate, sleeve and plug-in rod in the utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the portable rack in the present invention stored between two slide rails.

[0022] Figure 4 This is an exploded view of the slide rail, slide seat, support rod and portable rack in the utility model.

[0023] Figure 5 This is a structural diagram of the rotationally molded box body, top cover and strip plates in the utility model.

[0024] Description of reference numerals:

[0025] 1-Rotational molding box body, 11-Top cover, 2-Stacking assembly, 21-External shell, 211-Handle, 212-Roller, 22-Connector, 221-Strip plate, 222-Latch, 23-Sleeve, 24-Connecting rod, 25-Locking piece, 251-Screw, 252-Nut, 3-Support assembly, 31-Slide rail, 32-Slide seat, 321-Bolt, 33-Location pin, 34-Support rod, 35-Handheld rack. DETAILED DESCRIPTION

[0026] In this embodiment, if Figure 1 and Figure 2 As shown, a rotomolding box that is easy to stack includes a rotomolding box body 1, a top cover 11 is hinged on the rotomolding box body 1, a stacking assembly 2 is installed on the rotomolding box body 1, the stacking assembly 2 is used to constrain the rotomolding box bodies 1 stacked up and down, the stacking assembly 2 includes an external shell 21, a connecting piece 22, a sleeve 23, a plug rod 24 and a locking piece 25, the external shell 21 is connected to the rotomolding box body 1 through the connecting piece 22, the sleeve 23 is distributed at the four corners of the external shell 21, the plug rod 24 is plugged into the inner cavity of the sleeve 23, and the locking piece 25 is used to adjust the use position of the plug rod 24 to connect the adjacent external shells 21 end to end.

[0027] Thus, the rotomolding box body 1 is inserted into the cavity of the external shell 21, and the position of the rotomolding box body 1 in the external shell 21 is fixed by the connecting piece 22. When the rotomolding box bodies 1 are stacked up and down, the adjacent rotomolding box bodies 1 in the vertical direction are fitted together, and the plug-in rod 24 is moved in the sleeve 23. The plug-in rod 24 connects the adjacent sleeves 23, and the position of the plug-in rod 24 is fixed by the locking piece 25 to realize the upper and lower connection between the two external shells 21, thereby preventing the rotomolding box body 1 on the top layer from slipping when the rotomolding box bodies 1 are stacked.

[0028] Specifically, the inner cavity of the external shell 21 is adapted to the outer periphery of the rotationally molded box body 1 , and four sleeves 23 are provided, distributed at the four corners of the external shell 21 , and the connecting rod 24 can connect two sleeves 23 in the vertical direction.

[0029] In some embodiments, as Figure 4 As shown, the locking member 25 includes a screw 251 and a nut 252 . The screw 251 is inserted into the slide groove of the sleeve 23 . One end of the screw 251 is fixedly connected to the plug-in rod 24 , and the other end of the screw 251 is threadedly connected to the nut 252 .

[0030] Specifically, the screw rod 251 moves in the sliding groove of the sleeve 23 , and the nut 252 is used to determine the use position of the screw rod 251 , thereby fixing the position of the plug-in rod 24 in the sleeve 23 .

[0031] In some embodiments, as Figure 3 and Figure 4 As shown, a support assembly 3 is provided on the external shell 21, and the support assembly 3 is used to support the side of the external shell 21. The support assembly 3 includes a slide rail 31, a slide seat 32, a support rod 34 and a hand rack 35. The slide rail 31 is fixedly connected to the outer periphery of the external shell 21, the slide seat 32 is slidably connected to the slide rail 31, a positioning pin 33 is provided in the slide seat 32, the slide rail 31 is connected to the slide seat 32 through the positioning pin 33, a support rod 34 is inserted in the slide seat 32, a bolt 321 is provided in the support rod 34, the support rod 34 is connected to the slide seat 32 through the bolt 321, and the hand rack 35 is fixedly connected to the outer periphery of the support rod 34.

[0032] Specifically, four slide rails 31 are symmetrically distributed on both sides of the external housing 21. Each slide rail 31 is provided with a slide seat 32. A slot adapted to the positioning pin 33 is machined on the outer wall of the slide rail 31. A support rod 34 is inserted into two adjacent slide seats 32. Bolts 321 are used to fix the position of the support rod 34 in the slide seat 32.

[0033] It should be noted that two carrying racks 35 are provided, and the carrying racks 35 are used to carry the entire mechanism. When the carrying racks 35 are against the ground, the stability of the rotationally molded box body 1 at the bottom is increased.

[0034] In some embodiments, as Figure 2 and Figure 5 As shown, the connecting member 22 includes a strip plate 221 and a latch 222 . The strip plate 221 is fixedly connected to the periphery of the rotationally molded box body 1 . The strip plate 221 is inserted into the slot of the external shell 21 . The strip plate 221 is connected to the external shell 21 via the latch 222 .

[0035] Specifically, two strip plates 221 are provided, two strip grooves compatible with the strip plates 221 are processed in the external shell 21, the outer wall of the pin 222 is processed with threads, and a threaded hole compatible with the pin 222 is processed in the strip plate 221. In addition, under the premise of satisfying the detachable connection between the rotationally molded box body 1 and the external shell 21, the connecting member 22 can also be replaced with other connecting structures.

[0036] In some embodiments, as Figure 2 As shown, a handle 211 is fixedly connected to the external shell 21 , and the handle 211 is processed with stripes.

[0037] Specifically, the handle 211 is used to pull the entire mechanism to move, and the friction between the handle 211 and the hand is increased by processing stripes on the handle 211.

[0038] In some embodiments, as Figure 2As shown, a roller 212 is provided on a side of the external shell 21 away from the handle 211 , and the rollers 212 are symmetrically distributed along the external shell 21 .

[0039] There are four rollers 212 , and the four rollers 212 are designed to facilitate the movement of the entire mechanism.

[0040] The working principle of this application is described below with a preferred embodiment:

[0041] Insert the rotomolding box body 1 into the cavity of the external shell 21, and insert the strip plate 221 on the outer wall of the rotomolding box body 1 into the slot of the external shell 21. Then use the pin 222 to connect the strip plate 221 and the external shell 21. Pull the handle 211 to move the rotomolding box body 1 through the four rollers 212. When the rotomolding box bodies 1 are stacked up and down, the adjacent rotomolding box bodies 1 in the vertical direction are fitted together. At this time, move the plug rod 24 in the sleeve 23, and the plug rod 24 connects the adjacent sleeves 23. Turn the nut 252 to fit tightly with the sleeve 23, thereby fixing the plug rod 24 is positioned in the sleeve 23 to achieve the upper and lower connection between the two external shells 21, and then the hand rack 35 of the bottom rotomolding box body 1 is adjusted, and the slide 32 is moved on the outer wall of the slide rail 31. The slide 32 moves to the lowest end of the slide rail 31, and the positioning pin 33 is used to fix the position of the slide 32 on the slide rail 31. The support rod 34 is rotated between the two slides 32. The support rod 34 drives the hand rack 35 to be parallel to the ground, and the bolt 321 is used to fix the position of the support rod 34 in the slide 32. At this time, the hand rack 35 and the rotomolding box body 1 form a right-angle structure to increase the stability of the rotomolding box body 1 at the bottom.

Claims

1. A rotomolding box that is easy to stack, comprising a rotomolding box body (1), a top cover (11) hinged on the rotomolding box body (1), characterized in that: A stacking assembly (2) is installed on the rotational molding box body (1), and the stacking assembly (2) is used to constrain the rotational molding box bodies (1) stacked up and down: The stacking assembly (2) comprises an external shell (21), a connecting piece (22), a sleeve (23), a plug-in rod (24) and a locking piece (25); The external shell (21) is connected to the rotationally molded box body (1) via the connecting piece (22); the sleeves (23) are distributed at the four corners of the external shell (21); the plug-in rod (24) is plugged into the inner cavity of the sleeve (23); and the locking piece (25) is used to adjust the use position of the plug-in rod (24) so ​​that adjacent external shells (21) are connected end to end.

2. A rotomolded box that is easy to stack according to claim 1, characterized in that: The locking member (25) includes a screw (251) and a nut (252); The screw rod (251) is inserted into the sliding groove of the sleeve (23), one end of the screw rod (251) is fixedly connected to the plug rod (24), and the other end of the screw rod (251) is threadedly connected to the nut (252).

3. A rotomolded box that is easy to stack according to claim 1, characterized in that: A support assembly (3) is provided on the external shell (21), and the support assembly (3) is used to support the side surface of the external shell (21); The support assembly (3) includes a slide rail (31), a slide seat (32), a support rod (34) and a handheld rack (35); The slide rail (31) is fixedly connected to the outer periphery of the external shell (21); the slide seat (32) is slidably connected to the slide rail (31); a positioning pin (33) is provided in the slide seat (32); the slide rail (31) is connected to the slide seat (32) via the positioning pin (33); a support rod (34) is inserted into the slide seat (32); a bolt (321) is provided in the support rod (34); the support rod (34) is connected to the slide seat (32) via the bolt (321); the handheld rack (35) is fixedly connected to the outer periphery of the support rod (34).

4. A rotomolded box that is easy to stack according to claim 1, characterized in that: The connecting member (22) includes a strip plate (221) and a latch (222); The strip plate (221) is fixedly connected to the outer periphery of the rotationally molded box body (1), the strip plate (221) is inserted into the slot of the external shell (21), and the strip plate (221) is connected to the external shell (21) via the latch (222).

5. A rotomolded box that is easy to stack according to claim 1, characterized in that: A handle (211) is fixedly connected to the external shell (21), and the handle (211) is processed with stripe patterns.

6. A rotomolded box that is easy to stack according to claim 5, characterized in that: A roller (212) is provided on a side of the external shell (21) away from the handle (211), and the rollers (212) are symmetrically distributed along the external shell (21).

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