Turnover box convenient to stack

Abstract

The utility model relates to the technical field of turnover boxes, and discloses a turnover box convenient to stack, which comprises a box body, at least one inserting plate is welded on the periphery of the bottom end of the box body, inserting grooves with the same number as the inserting plates are arranged on the periphery of the top end of the box body, and the inserting plates can be inserted into the inserting grooves. A plurality of fixing shafts are fixed to the outer walls of the periphery of the box body through bolts, and rotating frames are rotationally connected to the outer walls of the circumferences of the fixing shafts. Through the arrangement of the rotating frames and clamping grooves, the inserting plates extrude the inclined faces of the rotating frames to enable the rotating frames to rotate, and therefore torsion springs deform to generate torsion; when one end of the rotating frame is located at the clamping groove formed in the inserting plate, the torsional spring resets and drives the rotating frame to rotate reversely, then one end of the rotating frame is clamped into the clamping groove, the inserting plate is fixed, even if the stacked turnover boxes incline, no gap is generated between the two turnover boxes, and the fixing effect of stacking of the turnover boxes is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of turnover boxes, and more specifically to a turnover box convenient for stacking. Background Art

[0002] A turnover box is a storage tool, also known as a logistics box. Turnover boxes are mainly divided into three types: stackable turnover boxes, insertable turnover boxes, and foldable turnover boxes. Among them, stackable turnover boxes are mainly used for stacking.

[0003] After retrieval, the Chinese patent document with the publication number CN220263612U discloses a logistics turnover box convenient for stacking. The second gear bar can apply a lateral force to the fixed plate, thereby improving the stability between each turnover box and reducing the risk of the turnover box tipping during the stacking process. However, there are still the following defects: the gear lacks fixation. When the turnover box tilts, a gap appears at the contact on one end, and the gear will reverse, resulting in a reduced fixation effect. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a turnover box convenient for stacking to solve the problems existing in the above-mentioned background art.

[0005] The utility model provides the following technical solution: a turnover box convenient for stacking, including a box body. At least one insertion plate is welded to the periphery of the bottom end of the box body. The same number of slots as the insertion plates are opened at the periphery of the top end of the box body, and the insertion plates can be inserted into the slots. A plurality of fixed shafts are fixed to the outer walls of the four sides of the box body through bolts. The outer circumferential walls of the plurality of fixed shafts are rotatably connected with rotating frames. One side of the rotating frame is fixed with a torsion spring through a bolt, and the other end of the torsion spring is fixed to the fixed shaft. The two rotating frames located on both sides of the slot are symmetrically distributed. Card slots are opened on both sides of the insertion plate, and one end of the rotating frame is snapped into the card slot. A locking mechanism for limiting the rotating frame is arranged on one side of the insertion plate.

[0006] Further, the locking mechanism includes two sliding grooves, both of which are opened on one side of the insertion plate. Sliding blocks are slidably connected in the two sliding grooves. A sliding plate is welded to one side of the sliding block. An elastic clamping frame is fixed to one side of the sliding plate through a bolt, and one end of the elastic clamping frame clamps the rotating frame. Elastic components for pulling the sliding blocks to reset are arranged in the two sliding grooves.

[0007] Further, the elastic component is a tension spring. One end of the tension spring is fixed to the inner wall of one side of the sliding groove through a bolt, and the other end is fixed to the sliding block.

[0008] Further, a conical plate is welded to the inner wall of the bottom of the slot, and both sides of the conical plate are respectively in contact with the two sliding plates.

[0009] Furthermore, mounting grooves are formed at the bottoms of the opposite sides of the two slide plates, and auxiliary rollers are rotatably connected between the inner walls on both sides of the mounting grooves.

[0010] Furthermore, a partition frame is provided between the inner walls on both sides of the box body. A plurality of threaded holes are formed in the inner walls on both sides of the box body, and every two threaded holes form a group. A screw is threadedly connected in one group of threaded holes, and one end of the screw passes through the partition frame and contacts the partition frame.

[0011] Furthermore, limit blocks are fixed to the four corners of the bottom end of the box body through bolts, and the limit blocks are symmetrically distributed.

[0012] Furthermore, two lifting lugs are provided on the outer walls on both sides of the box body, and the plurality of lifting lugs are symmetrically distributed.

[0013] The technical effects and advantages of the present utility model are as follows:

[0014] 1. By providing a rotating frame and a card slot, when the insertion plate presses the inclined surface of the rotating frame, the rotating frame rotates, so that the torsion spring deforms to generate torsion force. When one end of the rotating frame is located at the card slot formed in the insertion plate, the torsion spring resets, driving the rotating frame to reverse, and then one end of the rotating frame is snapped into the card slot to fix the insertion plate. Even if the stacked turnover boxes are tilted, there will be no gap between the two turnover boxes, improving the fixing effect of the stacked turnover boxes.

[0015] 2. By providing a locking mechanism, when the insertion plate moves downward, the inclined surface of the conical plate presses the two slide plates to move towards each other and move to both sides, so that the elastic card frame moves outward. When the insertion plate is completely inserted into the slot, the card frame just catches the rotating frame, and at this time, the slider contacts one side of the chute, completing the auxiliary fixation of the rotating frame and improving the stability of the stacked turnover boxes.

[0016] 3. By providing auxiliary rollers, during the process of the conical plate pressing the slide plate, the conical plate will contact the auxiliary rollers, reducing the friction between the conical plate and the slide plate and increasing the service life of the conical plate and the slide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural diagram of the present utility model.

[0018] Figure 2 is a partial enlarged structural diagram of the present utility model.

[0019] Figure 3 is a partial cross-sectional structural diagram of the present utility model.

[0020] The reference numerals are: 1, box body; 2, insertion plate; 3, slot; 4, limit block; 5, lifting lug; 6, screw; 7, threaded hole; 8, partition frame; 9, rotating frame; 10, elastic clamping frame; 11, torsion spring; 12, clamping groove; 13, conical plate; 14, sliding plate; 15, fixed shaft; 16, slider; 17, sliding groove; 18, tension spring; 19, auxiliary roller; 20, mounting groove. Specific embodiments

[0021] Next, the technical solutions in the present invention will be clearly and completely described in conjunction with the accompanying drawings in the present invention. In addition, the forms of each structure described in the following embodiments are only examples, and the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0022] Referring to Figures 1 - 3 , the present invention provides a turnover box convenient for stacking, including a box body 1. Limit blocks 4 are fixedly connected to the four corners of the bottom end of the box body 1 through bolts, and the limit blocks 4 are symmetrically distributed. During stacking, the limit blocks 4 are inserted into the lower turnover box, and the limit blocks 4 are in contact with the inner wall of the lower turnover box to assist in positioning the upper turnover box. Two lifting lugs 5 are provided on the outer walls of both sides of the box body 1, and the multiple lifting lugs 5 are symmetrically distributed. The turnover box can be connected to external lifting equipment through the lifting lugs 5, so as to facilitate the transfer of the turnover box. At least one insertion plate 2 is welded to the periphery of the bottom end of the box body 1, and the same number of slots 3 as the insertion plates 2 are opened around the top end of the box body 1, and the insertion plates 2 can be inserted into the slots 3. A plurality of fixed shafts 15 are fixedly connected to the outer walls of the four sides of the box body 1 through bolts, and rotating frames 9 are rotatably connected to the circumferential outer walls of the plurality of fixed shafts 15. One side of the rotating frame 9 is fixedly connected to a torsion spring 11 through a bolt, and the other end of the torsion spring 11 is fixed to the fixed shaft 15, and the two rotating frames 9 located on both sides of the slot 3 are symmetrically distributed. Clamping grooves 12 are opened on both sides of the insertion plate 2, and one end of the rotating frame 9 is clamped into the clamping groove 12. A locking mechanism for limiting the rotating frame 9 is provided on one side of the insertion plate 2. During stacking, one turnover box is placed on another turnover box, so that the insertion plate 2 on the upper turnover box is inserted into the slot 3 of the lower turnover box. During the insertion process of the insertion plate 2, the insertion plate 2 will squeeze the inclined surface of the rotating frame 9 to make the rotating frame 9 rotate. The rotation of the rotating frame 9 causes the torsion spring 11 to deform and generate torsion. When one end of the rotating frame 9 is located at the position where the clamping groove 12 is opened on the insertion plate 2, the torsion spring 11 resets, driving the rotating frame 9 to reverse, and then one end of the rotating frame 9 is clamped into the clamping groove 12 to complete the fixation of the insertion plate 2, and the locking mechanism is used to limit the rotating frame 9. Even if it tilts, there will be no gap between the two turnover boxes, improving the fixing effect of the stacking of the turnover boxes.

[0023] In the present utility model, the locking mechanism includes two sliding grooves 17, both of which are opened on one side of the insertion plate 2. Sliders 16 are slidably connected in both of the two sliding grooves 17. A sliding plate 14 is welded to one side of the slider 16. An elastic clamping frame 10 is fixed to one side of the sliding plate 14 by bolts, and one end of the elastic clamping frame 10 clamps the rotating frame 9. Elastic components for pulling the slider 16 to reset are provided in both of the two sliding grooves 17. The elastic component is a tension spring 18. One end of the tension spring 18 is fixed to the inner wall of one side of the sliding groove 17 by bolts, and the other end is fixed to the slider 16. When the turnover box is disassembled, the tension spring 18 pulls the slider 16 to reset. A conical plate 13 is welded to the bottom inner wall of the slot 3, and both sides of the conical plate 13 are respectively in contact with the two sliding plates 14. During the downward movement of the insertion plate 2, the conical plate 13 will contact the sliding plate 14. When the insertion plate 2 continues to move downward, the inclined surface of the conical plate 13 will squeeze the two sliding plates 14 to move in opposite directions and move to both sides, so that the elastic clamping frame 10 moves outward. When the insertion plate 2 is completely inserted into the slot 3, the clamping frame just clamps the rotating frame 9, and at this time, the slider 16 contacts the inner wall of one side of the sliding groove 17, completing the auxiliary fixation of the rotating frame 9.

[0024] Wherein, installation grooves 20 are opened at the bottom ends of the opposite sides of the two sliding plates 14. An auxiliary roller 19 is rotatably connected between the inner walls on both sides of the installation groove 20. During the process of the conical plate 13 squeezing the sliding plate 14, the conical plate 13 will contact the auxiliary roller 19, reducing the friction between the conical plate 13 and the sliding plate 14 and increasing the service life of the conical plate 13 and the sliding plate 14.

[0025] Wherein, a partition frame 8 is provided between the inner walls on both sides of the box body 1. A plurality of threaded holes 7 are opened on both inner walls of the box body 1, and every two threaded holes 7 form a group. A screw 6 is threadedly connected in one group of threaded holes 7, and one end of the screw 6 passes through the partition frame 8 and contacts the partition frame 8. The partition frame 8 can divide a space inside the box body 1 into multiple spaces, facilitating the placement of different items.

[0026] Working principle of the utility model: When stacking, place one turnover box on another turnover box. The limiting block 4 at the bottom of the upper turnover box is inserted into the lower turnover box, and the limiting block 4 contacts the inner wall of the lower turnover box to assist in positioning the upper turnover box. Then, insert the insertion plate 2 on the upper turnover box into the slot 3 of the lower turnover box. During the insertion process of the insertion plate 2, the insertion plate 2 will squeeze the inclined surface of the rotating frame 9 to make the rotating frame 9 rotate. The rotation of the rotating frame 9 causes the torsion spring 11 to deform and generate torsion. When one end of the rotating frame 9 is located at the card slot 12 opened on the insertion plate 2, the torsion spring 11 resets, driving the rotating frame 9 to reverse, and then one end of the rotating frame 9 is snapped into the card slot 12 to complete the fixation of the insertion plate 2. During the downward movement of the insertion plate 2, the conical plate 13 will contact the sliding plate 14. The continuous downward movement of the insertion plate 2 will cause the inclined surface of the conical plate 13 to squeeze the two sliding plates 14 to move towards each other and move to both sides, so that the elastic clamping frame 10 moves outward. When the insertion plate 2 is completely inserted into the slot 3, the clamping frame just clamps the rotating frame 9, and at this time, the slider 16 contacts one side of the sliding groove 17 to complete the auxiliary fixation of the rotating frame 9. Even if the stacked turnover boxes are tilted, there will be no gap between the two turnover boxes, improving the fixation effect of the stacked turnover boxes.

[0027] Finally, the following points should be noted: In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent relative position relationships. When the absolute position of the described object changes, the relative position relationship may change;

[0028] In the attached drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the usual designs. Without conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A turnover box for convenient stacking, comprising a box body (1), characterized in that: At least one plug plate (2) is fixedly connected to the bottom of the box body (1) on all sides, and slots (3) having the same number as the plug plates (2) are provided on the top of the box body (1), and the plug plates (2) can be inserted into the slots (3). The outer walls of the box body (1) are fixedly connected to a plurality of fixed shafts (15), and the circumferential outer walls of the plurality of fixed shafts (15) are rotatably connected to a rotating frame (9). A torsion spring (11) is fixedly connected to one side of the rotating frame (9), and the other end of the torsion spring (11) is fixed to the fixed shaft (15), and two rotating frames (9) located on both sides of the slot (3) are symmetrically distributed. A clamping slot (12) is provided on both sides of the plug plate (2), and one end of the rotating frame (9) is clamped into the clamping slot (12). A locking mechanism for limiting the rotating frame (9) is provided on one side of the plug plate (2).

2. A turnover box convenient for stacking according to claim 1, characterized in that: The locking mechanism comprises two slide grooves (17), both of which are arranged on one side of the plug board (2), and a slider (16) is slidably connected in the two slide grooves (17), one side of the slider (16) is fixedly connected to a slide plate (14), one side of the slide plate (14) is fixedly connected to an elastic bracket (10), and one end of the elastic bracket (10) clamps the rotating frame (9), and an elastic component for pulling the slider (16) to reset is provided in the two slide grooves (17).

3. A convenient stacking turnover box according to claim 2, characterized in that: The elastic component is a tension spring (18), one end of which is fixedly connected to an inner wall of one side of the slide groove (17), and the other end of which is fixed to the slide block (16).

4. The convenient stacking turnover box according to claim 2 is characterized by: A conical plate (13) is fixedly connected to the inner wall of the bottom of the slot (3), and two sides of the conical plate (13) are in contact with two slide plates (14) respectively.

5. The convenient stacking turnover box according to claim 4 is characterized by: The bottom ends of the two opposite sides of the two slide plates (14) are each provided with a mounting groove (20), and an auxiliary roller (19) is rotatably connected between the inner walls on both sides of the mounting groove (20).

6. The convenient stacking turnover box according to claim 1, characterized in that: A partition frame (8) is provided between the inner walls on both sides of the box body (1), and a plurality of threaded holes (7) are provided on the inner walls on both sides of the box body (1), and each two threaded holes (7) form a group, wherein a screw (6) is connected to the inner thread of one group of threaded holes (7), and one end of the screw (6) passes through the partition frame (8) and contacts the partition frame (8).

7. The convenient stacking turnover box according to claim 1, characterized in that: The four corners of the bottom end of the box body (1) are fixedly connected to limit blocks (4), and the limit blocks (4) are symmetrically distributed.

8. The convenient stacking turnover box according to claim 7, characterized in that: Two outer walls on both sides of the box body (1) are each provided with two lifting ears (5), and the plurality of lifting ears (5) are symmetrically distributed.

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