A packaging box with a positioning mechanism

Abstract

The present invention relates to the technical field of packaging boxes, and discloses a packaging box with a positioning mechanism, comprising a placement box and a top cover hinged on the top of the placement box, a positioning assembly is arranged inside the placement box, a locking assembly is arranged on the outside of the top cover, and also includes: the positioning assembly comprises a symmetrically arranged limiting sleeve, the limiting sleeve is slidably connected to a rack inside, the top end of the rack is slidably connected to a push rod, the inner side wall of the placement box is symmetrically rotatably connected to a screw rod, the outer side of the screw rod is fixedly connected to a gear, the outer side of the screw rod is sleeved with an adjusting sleeve, the adjusting sleeve is threadedly connected to the gear, the bottom end of the rack is fixedly connected to a bottom plate, and the bottom of the bottom plate is fixedly connected to a spring 1, which solves the problem that the device is inconvenient to place and position the goods inside, which is easy to cause collision damage to the goods in the subsequent transportation process, thereby increasing the transportation cost of the goods.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging boxes, in particular to a packaging box provided with a positioning mechanism. Background Art

[0002] As a commonly used transport packaging container, packing boxes are widely used in many fields. Wooden packing boxes are suitable for the transportation and outer packaging of products in logistics, mechanical electronics and other industries. The existing ordinary packing boxes are not convenient for positioning and placing the goods inside, which can easily cause collision damage to the goods during subsequent transportation, increasing transportation costs. Packing boxes with foam or sponge protection inside are often only suitable for a single type of goods and are not very suitable.

[0003] For example, a packaging box with a positioning structure with announcement number CN218199808U includes an open box with a box cover above the open box; two L-shaped grooves are provided in the middle of the left and right side panels of the open box, each L-shaped groove is provided with a moving block, a rack plate is fixedly provided on the opposite side of two adjacent moving blocks, and an adjustment component is provided between the two adjacent rack plates and the open box; three plug-in rods are evenly fixed on the ends of the two adjacent moving blocks that are away from each other, a matching hole is provided on the open box to match each plug-in rod, four rectangular plug-in holes are evenly provided on the top surface of the open box, a rectangular plug-in block is inserted between each rectangular plug-in hole and the corresponding L-shaped groove, and each rectangular plug-in block is fixedly connected to the bottom surface of the box cover, and the positioning adjustment component and the spring are arranged together, which is not only convenient for quickly positioning and connecting the box cover and the open box, but also convenient for disassembly, and simple to operate, but the device is not convenient for placing and positioning the goods inside, and is easy to cause collision damage to the goods during subsequent transportation, which increases the transportation cost of the goods and has certain limitations.

[0004] Therefore, a packaging box provided with a positioning mechanism is proposed to solve the above-mentioned problems. Summary of the invention

[0005] The purpose of the present invention is to provide a packaging box with a positioning mechanism to solve the problem that the device is inconvenient to place and position the goods inside, which easily causes collision damage to the goods during subsequent transportation and increases the transportation cost of the goods.

[0006] To achieve the above object, the present invention provides the following technical solution: a packaging box with a positioning mechanism, comprising a placement box and a top cover hinged to the top of the placement box, a positioning assembly is arranged inside the placement box, and a locking assembly is arranged outside the top cover;

[0007] Also includes:

[0008] The positioning assembly includes a symmetrically arranged limiting sleeve, the inside of the limiting sleeve is slidably connected to a rack, the top of the rack is slidably connected to a push rod, the inner side wall of the placement box is symmetrically rotatably connected to a screw rod, the outer side of the screw rod is fixedly connected to a gear, the outer side of the screw rod is sleeved with an adjustment sleeve, the adjustment sleeve is threadedly connected to the gear, and the bottom end of the rack is fixedly connected to a bottom plate;

[0009] The bottom of the bottom plate is fixedly connected with a spring 1, which is installed on the inner bottom surface of the placement box. The side of the adjustment sleeve away from the screw rod is fixedly connected with a push plate, the inside of the push plate is slidably connected with a guide rod, one end of the guide rod is fixedly connected with a positioning plate, and the outer side of the guide rod is sleeved with a spring 2;

[0010] The outer side of the push plate is symmetrically fixedly connected with a push rod, the inner side of the placement box is symmetrically fixedly connected with a sliding sleeve, the push rod is slidably connected with the sliding sleeve, the middle part of the front and rear inner side walls of the placement box is fixedly connected with a telescopic rod, one end of the telescopic part of the telescopic rod is fixedly connected with a trapezoidal block, and the push rod abuts against the inclined surface of the trapezoidal block;

[0011] A connecting plate is fixedly connected to one side of the trapezoidal block away from the telescopic rod, an inner rod is slidably connected inside the connecting plate, an auxiliary plate is fixedly connected to one end of the inner rod, and a spring three is sleeved on the outer side of the auxiliary plate.

[0012] Preferably, two groups of the limit sleeves are provided, and each group of the limit sleeves is symmetrically arranged up and down, vertical grooves are symmetrically opened on both sides of the interior of the placement box, the spring 1 is slidably connected to the vertical grooves, and the bottom end of the spring 1 is fixedly connected to the inner bottom surface of the placement box.

[0013] By adopting the above technical solution, the positioning plate limits the left and right sides of the goods, and the spring assists the rack to move up and down smoothly.

[0014] Preferably, the push plate is located between the adjustment sleeve and the positioning plate, the guide rods are symmetrically arranged, there are no less than two guide rods, the second spring is located between the push plate and the positioning plate, the second spring is slidably connected to the guide rod, and the two ends of the second spring are respectively fixedly connected to the push plate and the positioning plate.

[0015] By adopting the above technical solution, the elastic force of the second spring drives the positioning plate to approach the goods, so as to facilitate keeping the auxiliary plate pressed against the goods.

[0016] Preferably, positioning bolts are symmetrically installed on the top of the push plate, the positioning bolts are threadedly connected to the push plate, the positioning bolts are abutted against the guide rod, and the bottom of the push plate is fixedly connected to a limiting rod, there are no less than two limiting rods, and the limiting rod is slidably connected to the inner bottom surface of the placement box.

[0017] By adopting the above technical solution, the positioning bolt assists the positioning of the guide rod, and the limiting rod limits the pushing plate and the adjusting sleeve, so that the adjusting sleeve drives the pushing plate to approach the goods.

[0018] Preferably, the two pushing rods on the same side are respectively located on both sides of the trapezoidal block, the inner rods are symmetrically arranged, and there are no less than two inner rods.

[0019] By adopting the above technical solution, the movement of the push rod will squeeze the inclined surface of the trapezoidal block, so that the trapezoidal block stretches the telescopic rod and drives the connecting plate to move.

[0020] Preferably, the spring three is slidably connected to the inner rod, one end of the spring three is fixedly connected to the connecting plate, the other end of the spring three is fixedly connected to the auxiliary plate, and the bottom of the auxiliary plate is in contact with the inner bottom surface of the placement box.

[0021] By adopting the above technical solution, the connecting plate drives the auxiliary plate to move through the inner rod, which is convenient for pressing and limiting the front and rear sides of the goods. The setting of spring three makes it easy to keep the auxiliary plate pressing the goods.

[0022] Preferably, fixing bolts are symmetrically installed on the top of the connecting plate, the fixing bolts are threadedly connected to the connecting plate, the fixing bolts are in contact with the inner rod, a receiving groove is opened on the top of the rack, a spring four is fixedly installed on the inner bottom surface of the receiving groove, and the top end of the spring four is fixedly connected to the bottom end of the top rod.

[0023] By adopting the above technical solution, the ejector rod can compress the spring four and store it in the storage groove, so that the ejector rod will not block the closing of the top cover.

[0024] Preferably, the locking assembly comprises symmetrically arranged mounting blocks, the bottom of the mounting blocks are hinged with locking rings, and a clamping block is symmetrically fixedly connected to the upper portion of one front side of the storage box, and the locking ring is clamped and connected to the clamping block.

[0025] By adopting the above technical solution, the locking ring is turned over so that the locking ring is clamped on the clamping block and fixed, which facilitates the closing and positioning of the top cover and the placement box.

[0026] Preferably, the mounting block is fixedly mounted on the front side of the top cover, a horizontal bar is fixedly connected to the outer side of the top cover, a card plate is fixedly connected to the bottom of the horizontal bar, a card seat is fixedly connected to the outer upper part of the placement box, and the card plate is snap-connected to the card seat.

[0027] By adopting the above technical solution, the closing of the top cover drives the horizontal bar to descend, and the horizontal bar drives the card plate to descend, so that the card plate is positioned in the card seat, and the horizontal bar and the card seat are arranged at the connection between the placement box and the top cover, thereby improving the sealing and protection effect of the connection between the placement box and the top cover.

[0028] Compared with the prior art, the invention has the following beneficial effects: a positioning assembly is provided, the positioning plate limits the left and right sides of the goods, the auxiliary plate is convenient for pressing and limiting the front and rear sides of the goods, the arrangement of the second spring and the third spring is convenient for maintaining the pressing of the auxiliary plate and the third spring on the goods, thereby improving the clamping effect and positioning effect of the goods;

[0029] A positioning component is provided, and the goods are placed in the middle of the inner bottom surface of the placement box. At this time, the elastic force of spring two drives the positioning plate close to the goods, and the elastic force of spring three drives the auxiliary plate close to the goods. After placing, the top cover is closed, and the top cover will squeeze the top rod. Since spring four adopts a spring with a large elastic coefficient, the top rod drives the rack to descend through spring four, and the descent of the racks on both sides respectively drives the two gears to rotate, and the gears drive the lead screw to rotate, and the limit rod limits the push plate and the adjusting sleeve, so that the adjusting sleeve drives the push plate to approach the goods, and the push plate drives the positioning plate to move through the guide rod, which is convenient for the positioning plate to limit the left and right sides of the goods. At the same time, the movement of the push plate drives the push rod to move The push rods on both sides move to squeeze the inclined surface of the trapezoidal block, so that the trapezoidal block stretches the telescopic rod, and the trapezoidal block drives the connecting plate to move, and the connecting plate drives the auxiliary plate to move through the inner rod, which is convenient for pressing and limiting the front and rear sides of the goods. The setting of spring two and spring three is convenient for keeping the auxiliary plate and the positioning plate pressed against the goods, which improves the clamping effect of the goods, and the top rod can compress the spring four and store it in the storage groove, so that the top rod will not block the closing of the top cover, which improves the positioning effect of the goods, solves the problem that the device is not convenient for placing and positioning the internal goods, which is easy to cause collision damage to the goods in the subsequent transportation process, and increases the transportation cost of the goods;

[0030] A locking assembly is provided. After the top cover is fully closed, the locking ring is flipped so that the locking ring is stuck on the card block and fixed, which facilitates the closed positioning of the top cover and the placement box. The closing of the top cover drives the horizontal bar to descend, and the horizontal bar drives the card plate to descend, so that the card plate is stuck in the card seat and positioned. The horizontal bar and the card seat are arranged at the connection between the placement box and the top cover. Multiple bars can be arranged as needed to improve the sealing and protection effect of the connection between the placement box and the top cover and reduce the entry of water or dust. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 This is a schematic diagram of opening the top cover of the present invention;

[0032] Figure 2 It is a schematic diagram of the first three-dimensional overall structure of the present invention;

[0033] Figure 3 This is a schematic diagram of the cross-sectional structure of the placement box of the present invention;

[0034] Figure 4 For the present invention Figure 3 The enlarged structural diagram at A in the middle;

[0035] Figure 5 For the present invention Figure 3 The enlarged structural diagram at B in the middle;

[0036] Figure 6 This is a schematic diagram of the push rod installation structure of the present invention;

[0037] Figure 7 For the present invention Figure 6 The enlarged structural diagram at C in the middle;

[0038] Figure 8 This is a schematic diagram of the spring four installation structure of the present invention;

[0039] Fig. 9 It is a schematic diagram of a second three-dimensional overall structure of the present invention;

[0040] Fig.10 For the present invention Fig. 9 Enlarged structural diagram at D in the middle.

[0041] In the figure: 1. placement box; 2. top cover; 3. positioning assembly; 31. limiting sleeve; 32. rack; 33. push rod; 34. screw rod; 35. gear; 36. adjustment sleeve; 37. push plate; 38. bottom plate; 39. spring one; 310. guide rod; 311. positioning plate; 312. spring two; 313. positioning bolt; 314. limiting rod; 315. push rod; 316. sliding sleeve; 317. telescopic rod; 318. trapezoidal block; 319. connecting plate; 320. inner rod; 321. auxiliary plate; 322. spring three; 323. fixing bolt; 324. storage slot; 325. spring four; 4. locking assembly; 41. mounting block; 42. locking ring; 43. clamping block; 44. horizontal bar; 45. clamping plate; 46. clamping seat. DETAILED DESCRIPTION

[0042] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0043] See also Figure 1-Figure 10 The present invention provides a technical solution: a packaging box provided with a positioning mechanism, comprising a placement box 1 and a top cover 2 hinged to the top of the placement box 1.

[0044] A positioning assembly 3 is provided inside the placement box 1, and the positioning assembly 3 includes a symmetrically arranged limit sleeve 31, the limit sleeve 31 is slidably connected to the inside of the limit sleeve 31, and the top of the rack 32 is slidably connected to the top rod 33, and the inner wall of the placement box 1 is symmetrically rotatably connected to a screw rod 34, the outer side of the screw rod 34 is fixedly connected to a gear 35, the outer side of the screw rod 34 is sleeved with an adjustment sleeve 36, the adjustment sleeve 36 is threadedly connected to the gear 35, and the bottom end of the rack 32 is fixedly connected to a bottom plate 38.

[0045] A spring 39 is fixedly connected to the bottom of the bottom plate 38, and the spring 39 is installed on the inner bottom surface of the placement box 1. A push plate 37 is fixedly connected to the side of the adjustment sleeve 36 away from the screw rod 34. A guide rod 310 is slidably connected inside the push plate 37. A positioning plate 311 is fixedly connected to one end of the guide rod 310, and a spring 2 312 is sleeved on the outer side of the guide rod 310.

[0046] There are two groups of limit sleeves 31, and each group of limit sleeves 31 is symmetrically arranged up and down. Vertical grooves are symmetrically opened on both sides of the interior of the placement box 1, and a spring 39 is slidably connected to the vertical grooves. The bottom end of the spring 39 is fixedly connected to the inner bottom surface of the placement box 1.

[0047] The pushing plate 37 is located between the adjusting sleeve 36 and the positioning plate 311, the guide rods 310 are symmetrically arranged, there are no less than two guide rods 310, the second spring 312 is located between the pushing plate 37 and the positioning plate 311, the second spring 312 is slidably connected to the guide rod 310, and the two ends of the second spring 312 are fixedly connected to the pushing plate 37 and the positioning plate 311 respectively.

[0048] The top of the push plate 37 is symmetrically installed with positioning bolts 313, which are threadedly connected to the push plate 37 and abut against the guide rod 310. The bottom of the push plate 37 is fixedly connected with a limiting rod 314, and there are no less than two limiting rods 314. The limiting rod 314 is slidably connected to the inner bottom surface of the placement box 1.

[0049] A pushing rod 315 is symmetrically fixedly connected to the outer side of the pushing plate 37, and a sliding sleeve 316 is symmetrically fixedly connected to the inner side of the placement box 1. The pushing rod 315 is slidably connected to the sliding sleeve 316. A telescopic rod 317 is fixedly connected to the middle of the front and rear inner walls of the placement box 1. A trapezoidal block 318 is fixedly connected to one end of the telescopic part of the telescopic rod 317, and the pushing rod 315 abuts against the inclined surface of the trapezoidal block 318.

[0050] The two push rods 315 on the same side are respectively located on both sides of the trapezoidal block 318, and the inner rods 320 are symmetrically arranged, and there are no less than two inner rods 320.

[0051] A connecting plate 319 is fixedly connected to one side of the trapezoidal block 318 away from the telescopic rod 317, an inner rod 320 is slidably connected inside the connecting plate 319, an auxiliary plate 321 is fixedly connected to one end of the inner rod 320, and a spring 322 is sleeved on the outer side of the auxiliary plate 321.

[0052] Spring three 322 is slidably connected to the inner rod 320, one end of the spring three 322 is fixedly connected to the connecting plate 319, and the other end of the spring three 322 is fixedly connected to the auxiliary plate 321, and the bottom of the auxiliary plate 321 is in contact with the inner bottom surface of the placement box 1.

[0053] A fixing bolt 323 is symmetrically installed on the top of the connecting plate 319, the fixing bolt 323 is threadedly connected to the connecting plate 319, the fixing bolt 323 is in contact with the inner rod 320, a receiving groove 324 is opened on the top of the rack 32, a spring four 325 is fixedly installed on the inner bottom surface of the receiving groove 324, and the top end of the spring four 325 is fixedly connected to the bottom end of the top rod 33.

[0054] Embodiment 1: Figure 1-Figure 8 As shown, a positioning component 3 is provided, by placing the goods in the middle of the inner bottom surface of the placement box 1, the elastic force of the second spring 312 drives the positioning plate 311 close to the goods, and the elastic force of the third spring 322 drives the auxiliary plate 321 close to the goods. After placement, the top cover 2 is closed, and the top cover 2 will squeeze the top rod 33. Since the spring fourth 325 adopts a spring with a large elastic coefficient, the top rod 33 drives the rack 32 to descend through the spring fourth 325, and the racks 32 on both sides descend and respectively drive the two gears 35 to rotate, and the gear 35 drives the screw rod 34 to rotate.

[0055] The limiting rod 314 limits the pushing plate 37 and the adjusting sleeve 36, so that the adjusting sleeve 36 drives the pushing plate 37 to approach the cargo, and the pushing plate 37 drives the positioning plate 311 to move through the guide rod 310, so that the positioning plate 311 limits the left and right sides of the cargo. At the same time, the movement of the pushing plate 37 drives the pushing rod 315 to move, and the pushing rods 315 on both sides move to squeeze the inclined surface of the trapezoidal block 318, so that the trapezoidal block 318 stretches the telescopic rod 317, and the trapezoidal block 318 drives the connecting plate 319 to move, and the connecting plate 319 drives the auxiliary plate 321 to move through the inner rod 320, so as to press and limit the front and rear sides of the cargo.

[0056] The provision of spring two 312 and spring three 322 facilitates maintaining the auxiliary plate 321 and the positioning plate 311 to press the cargo tightly, thereby improving the clamping effect on the cargo, and the push rod 33 can compress the spring four 325 to be stored in the storage groove 324, so that the push rod 33 will not block the closing of the top cover 2, thereby improving the positioning effect on the cargo, and solving the problem that the device is not convenient for placing and positioning the cargo inside, which may easily cause collision damage to the cargo during subsequent transportation, thereby increasing the transportation cost of the cargo.

[0057] A locking assembly 4 is provided on the outer side of the top cover 2, and the locking assembly 4 includes a symmetrically arranged mounting block 41, a locking ring 42 is hinged at the bottom of the mounting block 41, and a clamping block 43 is symmetrically fixedly connected to the upper part of the front side of the placement box 1, and the locking ring 42 is clamped and connected with the clamping block 43.

[0058] The mounting block 41 is fixedly mounted on the front side of the top cover 2, a horizontal bar 44 is fixedly connected to the outer side of the top cover 2, a clamping plate 45 is fixedly connected to the bottom of the horizontal bar 44, a clamping seat 46 is fixedly connected to the upper outer side of the placement box 1, and the clamping plate 45 is clamped and connected to the clamping seat 46.

[0059] Embodiment 2: Figure 9-10 As shown, a locking assembly 4 is provided. After the top cover 2 is fully closed, the locking ring 42 is flipped so that the locking ring 42 is stuck on the block 43 and fixed, so as to facilitate the closing and positioning of the top cover 2 and the placement box 1. The closing of the top cover 2 drives the horizontal bar 44 to descend, and the horizontal bar 44 drives the card plate 45 to descend, so that the card plate 45 is stuck in the card seat 46 for positioning. The horizontal bar 44 and the card seat 46 are arranged at the connection between the placement box 1 and the top cover 2. Multiple bars can be arranged as needed to improve the sealing and protection effect of the connection between the placement box 1 and the top cover 2 and reduce the entry of water or dust.

[0060] Working principle: When using the device, first, Figure 1-Figure 10 As shown, the goods are placed in the middle of the inner bottom surface of the placement box 1, and the top cover 2 is closed after placement. The top cover 2 will squeeze the top rod 33, and the top rod 33 drives the rack 32 to descend through the spring four 325. The racks 32 on both sides descend and respectively drive the two gears 35 to rotate. The gears 35 drive the screw rod 34 to rotate, and the limiting rod 314 limits the push plate 37 and the adjustment sleeve 36, so that the adjustment sleeve 36 drives the push plate 37 to get close to the goods, which is convenient for the positioning plate 311 to limit the left and right sides of the goods. At the same time, the push plate 37 moves to drive the push rod 315 to move, and the push rods 315 on both sides move to squeeze The inclined surface of the trapezoidal block 318 is pressed so that the connecting plate 319 drives the auxiliary plate 321 to move through the inner rod 320, which is convenient for clamping and limiting the front and rear sides of the goods, thereby improving the clamping effect of the goods, and the top rod 33 can compress the spring four 325 to be stored in the storage groove 324, so that the top rod 33 will not block the closing of the top cover 2. After the top cover 2 is completely closed, the locking ring 42 is flipped so that the locking ring 42 is stuck on the block 43 and fixed, and the card plate 45 is stuck in the card seat 46 for positioning, so as to improve the sealing and protection effect of the connection between the storage box 1 and the top cover 2 and reduce the entry of water or dust.

[0061] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0062] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A packaging box provided with a positioning mechanism, comprising a storage box (1) and a top cover (2) hinged to the top of the storage box (1), a positioning component (3) being provided inside the storage box (1), and a locking component (4) being provided outside the top cover (2); It is characterized in that Also includes: The positioning assembly (3) comprises a symmetrically arranged limiting sleeve (31), the limiting sleeve (31) is slidably connected to a rack (32) inside, the top of the rack (32) is slidably connected to a push rod (33), the inner side wall of the placement box (1) is symmetrically rotatably connected to a screw rod (34), the outer side of the screw rod (34) is fixedly connected to a gear (35), the outer side of the screw rod (34) is sleeved with an adjustment sleeve (36), the adjustment sleeve (36) is threadedly connected to the gear (35), and the bottom end of the rack (32) is fixedly connected to a bottom plate (38); The bottom of the bottom plate (38) is fixedly connected to a spring 1 (39), the spring 1 (39) is installed on the inner bottom surface of the placement box (1), the side of the adjustment sleeve (36) away from the screw rod (34) is fixedly connected to a push plate (37), the inside of the push plate (37) is slidably connected to a guide rod (310), one end of the guide rod (310) is fixedly connected to a positioning plate (311), and the outer side of the guide rod (310) is sleeved with a spring 2 (312); The outer side of the push plate (37) is symmetrically fixedly connected with a push rod (315), the inner side of the placement box (1) is symmetrically fixedly connected with a sliding sleeve (316) at the front and rear sides, the push rod (315) is slidably connected to the sliding sleeve (316), the middle part of the front and rear inner side walls of the placement box (1) is fixedly connected with a telescopic rod (317), one end of the telescopic part of the telescopic rod (317) is fixedly connected with a trapezoidal block (318), and the push rod (315) is in contact with the inclined surface of the trapezoidal block (318); A connecting plate (319) is fixedly connected to one side of the trapezoidal block (318) away from the telescopic rod (317); an inner rod (320) is slidably connected to the interior of the connecting plate (319); an auxiliary plate (321) is fixedly connected to one end of the inner rod (320); and a spring three (322) is sleeved on the outer side of the auxiliary plate (321).

2. A packaging box with a positioning mechanism according to claim 1, characterized in that: The limiting sleeves (31) are provided in two groups, and each group of the limiting sleeves (31) is symmetrically arranged in the upper and lower parts. Vertical grooves are symmetrically opened on both sides of the interior of the placement box (1). The spring 1 (39) is slidably connected to the vertical grooves, and the bottom end of the spring 1 (39) is fixedly connected to the inner bottom surface of the placement box (1).

3. A packaging box with a positioning mechanism according to claim 1, characterized in that: The push plate (37) is located between the adjustment sleeve (36) and the positioning plate (311); the guide rods (310) are symmetrically arranged, and there are no less than two guide rods (310); the second spring (312) is located between the push plate (37) and the positioning plate (311); the second spring (312) is slidably connected to the guide rod (310); and two ends of the second spring (312) are fixedly connected to the push plate (37) and the positioning plate (311), respectively.

4. A packaging box with a positioning mechanism according to claim 1, characterized in that: Positioning bolts (313) are symmetrically mounted on the top of the push plate (37), the positioning bolts (313) are threadedly connected to the push plate (37), the positioning bolts (313) are in contact with the guide rod (310), and the bottom of the push plate (37) is fixedly connected to a limiting rod (314), there are no less than two limiting rods (314), and the limiting rods (314) are slidably connected to the inner bottom surface of the placement box (1).

5. A packaging box with a positioning mechanism according to claim 1, characterized in that: The two push rods (315) on the same side are respectively located on two sides of the trapezoidal block (318), and the inner rods (320) are symmetrically arranged, and there are no less than two inner rods (320).

6. A packaging box with a positioning mechanism according to claim 1, characterized in that: The spring three (322) is slidably connected to the inner rod (320), one end of the spring three (322) is fixedly connected to the connecting plate (319), the other end of the spring three (322) is fixedly connected to the auxiliary plate (321), and the bottom of the auxiliary plate (321) is in contact with the inner bottom surface of the placement box (1).

7. A packaging box with a positioning mechanism according to claim 1, characterized in that: A fixing bolt (323) is symmetrically mounted on the top of the connecting plate (319), the fixing bolt (323) is threadedly connected to the connecting plate (319), the fixing bolt (323) is in contact with the inner rod (320), a receiving groove (324) is formed on the top of the rack (32), a spring four (325) is fixedly mounted on the inner bottom surface of the receiving groove (324), and the top end of the spring four (325) is fixedly connected to the bottom end of the push rod (33).

8. A packaging box with a positioning mechanism according to claim 1, characterized in that: The locking assembly (4) comprises a symmetrically arranged mounting block (41), a locking ring (42) being hingedly connected to the bottom of the mounting block (41), a clamping block (43) being symmetrically fixedly connected to the upper portion of the front side of the storage box (1), and the locking ring (42) being clamped and connected to the clamping block (43).

9. A packaging box with a positioning mechanism according to claim 8, characterized in that: The mounting block (41) is fixedly mounted on the front side of the top cover (2); a horizontal bar (44) is fixedly connected to the outside of the top cover (2); a clamping plate (45) is fixedly connected to the bottom of the horizontal bar (44); a clamping seat (46) is fixedly connected to the upper outside of the placement box (1); and the clamping plate (45) is clamped and connected to the clamping seat (46).

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