CN107985727B

CN107985727B - Combined anti-theft unpacking packing box and anti-theft unpacking method

Info

Publication number: CN107985727B
Application number: CN201711185196.6A
Authority: CN
Inventors: 王小灵; 沈技
Original assignee: Wen Shengjie
Current assignee: Wen Shengjie
Priority date: 2017-11-23
Filing date: 2017-11-23
Publication date: 2020-01-03
Anticipated expiration: 2037-11-23
Also published as: CN107985727A

Abstract

The invention relates to a packing box, in particular to a combined anti-theft unpacking box, which comprises an outer box body, wherein the outer box body is formed by enclosing a bottom tray and a plurality of outer box plates; a circular groove matched with the first snap ring in shape is arranged on the inner box plate, a first annular clamping groove used for clamping the first protrusion is arranged at the bottom of the circular groove, and a first bayonet communicated with the first annular clamping groove and the circular groove is arranged at the edge of the circular groove; the inner box plates are detachably hinged with the bottom tray, and the adjacent inner box plates are fixedly connected. The utility model provides a modular theftproof unpacking case, the great degree has reduced the stolen probability of tearing open, private in the packing box transportation.

Description

Combined anti-theft unpacking packing box and anti-theft unpacking method

Technical Field

The invention relates to a packing box, in particular to a combined anti-theft unpacking box and an anti-theft unpacking method.

Background

The plate-type wooden packing box can be disassembled and recycled, and the structural strength of the plate-type wooden packing box can meet the requirements easily, so that the plate-type wooden packing box is widely applied to product transportation as the most common assembled box body. If the wooden packing cases are all disposable, a large amount of cutting and waste of natural forest trees can be caused, and the ecological environment is influenced macroscopically. It has become appreciated that the development of a wooden package that can be reused many times is generally designed to be easily assembled and disassembled for recycling, which is known as REPAK.

However, nail is generally adopted between each board and between board and the base of present plate-type wooden packing box, and this kind of fixed mode has a lot of shortcomings: if the potential safety hazard is more; special tools are needed when the box is opened, the installation and the disassembly are very inconvenient, and a large amount of labor is needed; the use of a large number of nails causes the boxboard to be incapable of being reused, which causes resource waste.

In order to solve the technical problems, the chinese patent with publication number CN104787432A discloses a combined anti-theft unpacking case, which comprises four side plates, a top plate and a bottom tray, wherein the splicing edges between the top plate and the side plates and between the adjacent side plates are all connected by at least one male-female groove structure in an occlusion manner, the male-female groove structure comprises a lug arranged on the outer edge of the plate body and a corresponding clamping groove, and when the case body is in a combined state, the lug is embedded into the clamping groove. The combined packing box has the same defects with most packing boxes on the market at present, and can be disassembled quickly by using tools or even bare hands by anyone due to excessive pursuit of convenient disassembly and assembly, and the disassembled trace can not be seen after the combined packing box is reassembled after the disassembly, so that the anti-theft and disassembly and the private disassembly performance of the packing box are extremely poor. However, due to the limitation of various factors such as cost and the firmness of the packaging box, an anti-theft lock cannot be installed on the cheap packaging box, so that a packaging box capable of protecting the privacy and the safety of a client is urgently needed.

Disclosure of Invention

The invention aims to provide a combined anti-theft unpacking box, which greatly reduces the probability of the unpacking box being stolen and privately unpacked in the transportation process.

The above object of the present invention is achieved by the following technical solutions: a combined anti-theft unpacking box comprises an outer box body, wherein the outer box body is formed by enclosing a bottom tray and a plurality of outer box plates, an inner box body is arranged in the outer box body, the inner box body is formed by enclosing a plurality of inner box plates, the inner box plates correspond to the outer box plates one by one, a first bearing is fixedly penetrated on each outer box plate, each first bearing comprises a first bearing inner ring, a first snap ring positioned between the inner box plates and the outer box plates is fixedly arranged on each first bearing inner ring, and a first bulge is arranged at the edge of each first snap ring; a circular groove matched with the first snap ring in shape is arranged on the inner box plate, a first annular clamping groove used for clamping the first protrusion is arranged at the bottom of the circular groove, and a first bayonet communicated with the first annular clamping groove and the circular groove is arranged at the edge of the circular groove; the inner box plates are detachably hinged with the bottom tray, and the adjacent inner box plates are fixedly connected.

By adopting the technical scheme, the four inner box plates are connected with the bottom tray in a detachable hinged mode, and the four inner box plates can be detached from the bottom tray only by detaching the four outer box plates connected with the four inner box plates, so that the inner box body is separated from the outer box body to expose goods;

if a lawbreaker wants to privately disassemble the packing box, the tool needs to be inserted into the first bearing to enable the tool to clamp the inner ring of the first bearing, then the tool is rotated to enable the inner ring of the first bearing to drive the first clamping ring to rotate, and the first clamping ring can be pulled out from the circular groove only by rotating the first bulge on the first clamping ring to be aligned with the first bayonet so as to enable the outer box plate and the inner box plate to be separated;

under the condition that the position of the first bayonet is not clear, a lawless person can hardly detach the outer box plate from the inner box plate and needs to detach the four outer box plates, so that the success rate of detaching the box by the lawless person is greatly reduced, and the probability of stealing and private detaching the packing box in the transportation process is reduced.

Preferably, a second bearing is further arranged between the inner box plate and the outer box plate, a second clamping ring is fixedly arranged on the second bearing, and the second clamping ring can rotate relative to the first clamping ring; a second bulge which is longer than the first bulge is arranged at the edge of the second snap ring, the first bulge is wider than the second bulge, a second annular clamping groove used for clamping the second bulge is further arranged at the bottom of the circular groove, the diameter of the second annular clamping groove is larger than that of the first annular clamping groove, and a second bayonet communicated with the second annular clamping groove and the circular groove is arranged at the edge of the circular groove; the key can drive the first snap ring and the second snap ring to rotate respectively.

Through adopting above-mentioned technical scheme, only use dedicated key to rotate the second arch of second snap ring to aim at the second bayonet socket earlier, reuse the key with the first arch of first snap ring rotatory to aim at first bayonet socket, then just can pull out first snap ring and second snap ring from the circle recess together to with outer boxboard and interior boxboard separation, owing to used two-layer buckle structure, greatly reduced the illegal person who unpacks the packing box privately tries on the probability of "password".

Preferably, the second bearing comprises a second bearing inner ring and a second bearing outer ring, the second bearing inner ring is coaxially and fixedly connected with the first bearing inner ring, and the inner diameter of the second bearing inner ring is larger than or equal to that of the first bearing inner ring.

By adopting the technical scheme, the inner diameter of the second bearing inner ring is limited to be larger than or equal to that of the first bearing inner ring, and the key can be ensured to be smoothly inserted into the second bearing inner ring, so that the key can control the first bearing inner ring to rotate and can control the second bearing inner ring to rotate.

Preferably, the second snap ring is fixed on the outer ring of the second bearing, the inner diameter of the second snap ring is equal to that of the inner ring of the first bearing, and the inner surfaces of the second snap ring and the inner ring of the first bearing are provided with through grooves which can be communicated with each other, and the through grooves are parallel to the axis of the first bearing; the key comprises a round bar, a clamping block is arranged on the side surface of the round bar close to the end part of the round bar, and the clamping block is matched with the straight through groove in shape.

Through adopting above-mentioned technical scheme, the internal diameter of injecing the second snap ring equals the internal diameter of first bearing inner circle, can make the key insert back and second snap ring direct contact to it is rotatory with key control second snap ring, so set up the thickness that has reduced the structure, make compact structure, the indirect volume that has reduced the packing box.

Preferably, the length of the clamping block is smaller than that of the straight groove in the second clamping ring.

By adopting the technical scheme, the clamping block can be completely inserted into the through groove on the second clamping ring, and the effect of independently controlling the second clamping ring to rotate and keeping the first clamping ring immovable by using a key is achieved.

Preferably, the first bearing further comprises a first bearing outer ring, and the first snap ring is arranged between the first bearing outer ring and the second bearing outer ring.

Through adopting above-mentioned technical scheme, can further make the buckle device compact structure between interior boxboard and the outer boxboard, can indirectly reduce the volume of packing box.

Preferably, the bottom tray is hinged to the inner box plate through a loose core hinge.

By adopting the technical scheme, because two double-row fixed connection of four inner box plates hinged with the bottom tray and the loose core hinge are detachable hinges, the four outer box plates corresponding to the four inner box plates are detached, and then the loose core hinges at the bottoms of the four inner box plates are completely detached, so that the four inner box plates can be taken down from the bottom tray as a whole.

Preferably, the loose core hinge comprises a hinge shaft, the hinge shaft comprises a shaft rod and a shaft cap, and the shaft rod is in threaded connection with the shaft cap.

Through adopting above-mentioned technical scheme, can conveniently will dismouting hinge pin through rotatory shaft cap.

Preferably, be equipped with dismantled and assembled deckle board between outer boxboard and the interior boxboard, the deckle board includes two first poles, two second poles, and first pole both ends are equipped with the tenon, and second pole both ends are equipped with the mortise, and first pole passes through the plug-in connection of tenon and mortise with the second pole.

Through adopting above-mentioned technical scheme, set up the deckle board between outer boxboard and interior boxboard, be favorable to improving the waterproof sealing nature of adjacent interior boxboard junction, and packing box overall structure intensity.

The invention also aims to provide a bridge anti-theft dismantling method, which comprises the following steps:

s1, horizontally placing a bottom tray, and installing all outer box plates on the bottom tray;

s2, marking twelve and six points on all inner box boards by using the edges of the circular grooves as dials, and arranging a first bayonet at any integral point moment;

s3, marking twelve and six points on all the outer box plates, which are the same as the corresponding inner box plates, by using the edge of the first bearing as a dial plate;

s4, marking the number numbers 1-5 on the five outer box boards respectively, and recording the integer time numbers corresponding to the numbers 1-5 respectively to form a cipher table;

the box with the second bearing is implemented S5, the box with only the first bearing is directly implemented S6 skipping S5;

s5, avoiding the first bayonet from forming a second bayonet at any integral point time position on the edge of the circular groove, taking integral point time numbers corresponding to the first bayonet as primary passwords, taking integral point time numbers corresponding to the second bayonet as secondary passwords, and enabling each number in the numbers 1-5 to correspond to one primary password and one secondary password to form a password table;

s6, the packaging box manufacturer delivers the packaging box with the corresponding password table attached to the box to a seller, the seller opens the packaging box according to the password table and then repacks the packaging box, the password is disturbed and then the packaging box is delivered to the buyer, and the buyer and the seller are contacted to acquire the content of the password table and then open the packaging box to take out the goods.

By adopting the technical scheme, the encryption level is improved by utilizing the multi-level password, and the confidentiality of the password is ensured in a manner that the seller is directly contacted with the buyer to provide the password.

In conclusion, the invention has the following beneficial effects:

1. the anti-theft structure is compact and simple, is convenient for large-scale production and manufacture, and is suitable for popularization and use;

2. by using the multi-level password, the encryption level of the packing box is improved, and lawless persons who want to steal and privately dismantle the packing box are difficult to quit;

3. the buyer who knows the password decrypts, dismouting packing box is quick and light.

Drawings

FIG. 1 is a schematic view of a package box with hidden outer box plates, hidden frame plates and hidden circular bumps;

FIG. 2 is a schematic view of the overall structure of the packing box;

FIG. 3 is a schematic structural view of a loose core hinge;

FIG. 4 is a schematic view of a package box with hidden outer box panels;

FIG. 5 is a schematic view of a frame plate structure;

FIG. 6 is a front view of a connecting structure of an outer box panel and an inner box panel;

FIG. 7 is a sectional view taken along line A-A of FIG. 6;

FIG. 8 is an enlarged view of portion A of FIG. 7;

FIG. 9 is a front view of the inner box panel;

fig. 10 is a schematic view of the structure of the key.

Reference numerals: 1. an outer case; 11. a bottom tray; 12. an outer box panel; 2. an inner box body; 21. an inner box panel; 210. a circular bump; 211. a circular groove; 212. a first ring-shaped card slot; 2121. a first bayonet; 213. a second annular card slot; 2131. a second bayonet; 3. a first bearing; 31. a first bearing inner race; 32. a first bearing outer race; 4. a second bearing; 41. a second bearing inner race; 42. a second bearing outer race; 5. a first snap ring; 51. a first protrusion; 6. a second snap ring; 61. a second protrusion; 7. a key; 71. a round bar; 72. a clamping block; 8. a straight through groove; 9. a frame plate; 91. a first mast; 911. a tenon; 92. a second pole; 921. mortises; 10. a core-pulling hinge; 101. a hinge axis; 1011. a shaft lever; 1012. and a shaft cap.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Examples

A combined anti-theft unpacking packing box and an anti-theft unpacking method are shown in figures 1 and 2, the packing box comprises a bottom tray 11, five inner box plates 21 are arranged on the bottom tray 11, the five inner box plates 21 and the bottom tray 11 enclose an inner box body 2, five outer box plates 12 are arranged outside the inner box body 2, and the five outer box plates 12 and the bottom tray 11 enclose an outer box body 1. The outer box plates 12 correspond to the inner box plates 21 one by one, and each pair of inner box plates 21 and outer box plates 12 are parallel to each other. A buckle structure is arranged between each pair of outer box plates 12 and each pair of inner box plates 21, and the outer box plates 12 can be separated from the corresponding inner box plates 21 only by inserting a special key 7 into the buckle structure and unlocking the buckle structure.

With reference to fig. 1 and 2, the four inner box boards 21 in the enclosed inner box 2 are vertically erected on the bottom tray 11, and they are hinged to the bottom tray 11 through the loose core hinges 10, and the five inner box boards 21 are fixedly connected in pairs, so that only the four outer box boards 12 perpendicular to the bottom tray 11 are completely removed, and the four loose core hinges 10 are removed, the whole body formed by the five inner box boards 21 can be separated from the bottom tray 11, and the goods in the packing box can be exposed.

As shown in fig. 3, the hinge shaft 101 in the loose-leaf hinge 10 is divided into two parts: a shaft 1011 and a shaft cap 1012. The end of the shaft 1011 is externally threaded, while the inside of the cap 1012 is internally threaded, and the shaft 1011 is threadedly coupled to the cap 1012. Thus, rotation of the cap 1012 allows the cap 1012 to be easily separated from or connected to the shaft 1011 to provide a removable hinge of the bottom tray 11 to the inner box panel 21.

As shown in fig. 4 and 5, a square frame plate 9 is padded between each pair of the outer box plate 12 and the inner box plate 21 which are parallel to each other, and the edge of the frame plate 9 is tightly attached to the inner box body 2. The frame plate 9 is formed by connecting two first posts 91 and two second posts 92 through a wood tenon structure, tenons 911 are integrally formed at two ends of the first posts 91, and mortises 921 for the tenons 911 to be inserted into are formed at two ends of the second posts 92.

With reference to fig. 6 and 8, the snap structures have five groups, and each group of snap structures includes a first bearing 3, a second bearing 4, a first snap ring 5, a second snap ring 6, and a circular groove 211 disposed on the inner box plate 21 and used for clamping the first snap ring 5 and the second snap ring 6. The central opening of outer boxboard 12 has the round hole, and first bearing 3 is fixed in the round hole, and first bearing 3 does not bulge in outer boxboard 12 surface, avoids it to receive the scratch and is destroyed. The first bearing 3 includes a first bearing inner race 31 and a first bearing outer race 32, the first bearing outer race 32 is fixed in the circular hole, and the first bearing inner race 31 is rotatable. The end of the first bearing inner race 31 facing the inner box plate 21 is fixed with the second bearing 4, the second bearing 4 also comprises a second bearing inner race 41 and a second bearing inner race 41, the second bearing inner race 41 is fixed on the first bearing inner race 31, and the whole second bearing 4 can rotate along with the first bearing inner race 31. The first bearing 3 and the second bearing 4 do not refer to bearing standard parts, but refer to all structures capable of realizing the functions of the bearing standard parts.

As shown in fig. 8, the first snap ring 5 is provided between the first bearing outer race 32 and the second bearing outer race 42, the first bearing inner race 31 is long and extends from the first bearing outer race 32, the first snap ring 5 is fixed to the extended portion of the first bearing inner race 31, and the first snap ring 5 is not fixedly connected to the first bearing outer race 32 and the second bearing outer race 42, so that the first snap ring 5 can rotate along with the first bearing inner race 31 when the first bearing inner race 31 is rotated. The edge of the first snap ring 5 is integrally formed with a first protrusion 51, and the first protrusion 51 can be caught by the inner structure of the circular groove 211.

Referring to fig. 6 and 8, a second snap ring 6 is concentrically fixed on an end of the second bearing outer ring 42 facing the inner case plate 21, an inner diameter of the second snap ring 6 is the same as an inner diameter of the first bearing inner ring 31, and an inner diameter of the second bearing inner ring 41 is not smaller than the inner diameter of the first bearing inner ring 31, so that when a specially-made key 7 is extended into the outer case 1, the key 7 can contact with the second snap ring 6 and the first bearing inner ring 31, thereby controlling them to rotate. The first bearing inner ring 31 and the second snap ring 6 inner ring are both provided with a through groove 8, the through groove 8 is parallel to the axis of the first bearing 3, and the through grooves 8 of the first bearing inner ring and the second snap ring can rotate to be communicated. The edge of the second snap ring 6 is integrally formed with a second protrusion 61 which can be caught by the structure in the circular groove 211.

As shown in fig. 8 and 9, the inner box plate 21 has a circular protrusion 210 facing the center of the surface of the outer box plate 12, a circular groove 211 is dug on the circular protrusion 210, a first annular groove 212 is dug at the bottom of the circular groove 211, a second annular groove 213 is dug at the bottom of the circular groove 211, the diameter of the first annular groove 212 is larger than that of the circular groove 211, and the diameter of the second annular groove 213 is larger than that of the first annular groove 212.

As shown in fig. 9, on the circular protrusion 210, a first bayonet 2121 communicated with the circular groove 211 and the first ring-shaped slot 212 and a second bayonet 2131 communicated with the second ring-shaped slot 213 and the circular groove 211 are opened at the edge of the circular groove 211. The first bayonets 2121 are used for clamping the first protrusions 51 on the first snap ring 5, the second bayonets 2131 are used for clamping the second protrusions 61 on the second snap ring 6, and the second protrusions 61 are longer than the first protrusions 51 but narrower than the first protrusions 51, so that the second protrusions 61 can only be clamped into and out of the second annular slot 213 through the second bayonets 2131 but cannot be clamped into and out of the first bayonets 2121. The borderlines of the first and

second ring slots

212, 213 that will be hidden in the circular recess 211 in fig. 9 are shown with dashed lines.

When the packing box is installed, the second protrusion 61 on the second snap ring 6 is manually rotated to be aligned with the second bayonet 2131, the first protrusion 51 on the first snap ring 5 is aligned with the first bayonet 2121, then the outer box board 12 is gradually close to the inner box board 21, when the second snap ring 6 enters the second annular clamping groove 213 from the second bayonet 2131 and the first snap ring 5 enters the first annular clamping groove 212 from the first bayonet 2121, the specially-made key 7 is inserted into the first bearing 3, the second snap ring 6 is rotated by the key 7, the second snap ring 6 is clamped in the second annular clamping groove 213, then the first bearing inner ring 31 is rotated by the key 7, the first snap ring 5 is clamped in the first annular clamping groove 212, and at this time, the outer box board 12 can be connected with the inner box board 21.

When the outer box plate 12 needs to be detached from the inner box plate 21, the key 7 is inserted into the first bearing inner ring 31, the clamping block 72 on the key 7 is inserted into the through groove 8 on the second clamping ring 6, and the key 7 is rotated, so that the second protrusion 61 on the second clamping ring 6 is rotated to the second bayonet 2131; then, the key 7 is retracted a distance, so that the latch 72 of the key 7 is inserted into the through groove 8 of the first bearing inner race 31, and the key 7 is rotated to rotate the first protrusion 51 of the first snap ring 5 to the first bayonet 2121, and then the first snap ring 5 and the second snap ring 6 are pulled out from the circular groove 211, so that the outer case panel 12 is detached from the inner case panel 21.

As shown in the figure, the key 7 is a round bar 71 which is matched with the inner ring of the first bearing inner ring 31 in a shape, a clamping block 72 is integrally formed at the position, close to the end part, of the side surface of the round bar 71, the clamping block 72 is matched with the through groove 8 in a shape, and the clamping block 72 is shorter than the through groove 8 in the second clamping ring 6, so that the clamping block 72 on the key 7 can be separated from the through groove 8 in the first bearing inner ring 31 when being completely inserted into the through groove 8 in the second clamping ring 6, and the second clamping ring 6 can be controlled to rotate by the key 7 under the condition that the first clamping ring 5 is kept still.

After the bottom tray 11 is manufactured by a manufacturer of the packing box according to the structure, the bottom tray 11 is horizontally placed, and five outer box plates 12 which are fixedly connected into a whole are installed on the bottom tray 11. Then, on all the inner box plates 21, the edge of the circular groove 211 is used as a dial, twelve and six positions are marked, and a first bayonet 2121 is opened at any integral point (for example, 3 points) position. The second bayonet 2131 is opened at any integral point (for example, 6 points) on the edge of the circular groove 211, avoiding the position of the first bayonet 2121.

On all the outer box plates 12, the edge of the first bearing 3 is used as a dial plate, twelve-point and six-point positions which are the same as those of the corresponding inner box plate 21 are marked, the number numbers 1-5 are respectively marked on the five outer box plates 12 by using a marker pen, and the integral point time numbers corresponding to the numbers 1-5 are respectively recorded as passwords. Each number in the numbers 1-5 corresponds to a primary password and a secondary password, and is recorded into a password table.

For example, if the integer time number 3 corresponding to the first bayonet 2121 opposite to the No. 1 outer box board 12 is a primary password, and the integer time number 6 corresponding to the second bayonet 2131 is a secondary password, 1 (3, 6) is recorded; if the integral point time number 4 corresponding to the first bayonet 2121 opposite to the No. 2 outer box board 12 is a primary password, and the integral point time number 7 corresponding to the second bayonet 2131 is a secondary password, recording 2 (4, 7); if the integral point time number 5 corresponding to the first bayonet 2121 opposite to the outer box board No. 3 12 is a primary password, and the integral point time number 8 corresponding to the second bayonet 2131 is a secondary password, recording 3 (5, 8); if the integral point time number 6 corresponding to the first bayonet 2121 opposite to the No. 4 outer box board 12 is a primary password, and the integral point time number 9 corresponding to the second bayonet 2131 is a secondary password, recording 4 (6, 9); if the hour time number 7 corresponding to the first bayonet 2121 opposite to the No. 5 outer box board 12 is the primary password, and the hour time number 10 corresponding to the second bayonet 2131 is the secondary password, 5 (7, 10) is recorded. The above data are recorded as a password table as follows:

cipher/number	1	2	3	4	5
						First-level password	3	4	5	6	7
Two-stage password	6	7	8	9	10

The packing box manufacturer delivers the packing box with the cipher table and the special key 7 attached to the packing box to the seller, the seller opens the packing box according to the cipher table, the packing box is reloaded after the packing is loaded, the cipher is disordered by the key 7, namely the first clamping ring 5 and the second clamping ring 6 are rotated to be clamped into the circular groove 211, the packing box is delivered to the buyer, and the buyer and the seller are in contact with each other to acquire the content of the cipher table and then open the packing box to take out the goods.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a modular theftproof unpacking case, includes outer box (1), outer box (1) is enclosed by end tray (11) and a plurality of outer boxboard (12), its characterized in that: an inner box body (2) is arranged in the outer box body (1), the inner box body (2) is surrounded by a plurality of inner box plates (21), the inner box plates (21) correspond to the outer box plates (12) one by one, first bearings (3) penetrate through and are fixed on the outer box plates (12), each first bearing (3) comprises a first bearing inner ring (31), a first clamping ring (5) positioned between the inner box plates (21) and the outer box plates (12) is fixedly arranged on each first bearing inner ring (31), and a first bulge (51) is arranged at the edge of each first clamping ring (5); a circular groove (211) matched with the first snap ring (5) in shape is formed in the inner box plate (21), a first annular clamping groove (212) used for clamping the first protrusion (51) is formed in the bottom of the circular groove (211), and a first bayonet (2121) communicated with the first annular clamping groove (212) and the circular groove (211) is formed in the edge of the circular groove (211); the inner box plates (21) are detachably hinged with the bottom tray (11), and the adjacent inner box plates (21) are fixedly connected; a second bearing (4) is further arranged between the inner box plate (21) and the outer box plate (12), a second clamping ring (6) is fixedly arranged on the second bearing (4), and the second clamping ring (6) can rotate relative to the first clamping ring (5); a second bulge (61) which is longer than the first bulge (51) is arranged at the edge of the second snap ring (6), the first bulge (51) is wider than the second bulge (61), a second annular clamping groove (213) used for clamping the second bulge (61) is further arranged at the bottom of the circular groove (211), the diameter of the second annular clamping groove (213) is larger than that of the first annular clamping groove (212), and a second bayonet (2131) which is communicated with the second annular clamping groove (213) and the circular groove (211) is arranged at the edge of the circular groove (211); the key (7) can drive the first snap ring (5) and the second snap ring (6) to rotate respectively.

2. The modular tamper-evident packaging case of claim 1, wherein: the second bearing (4) comprises a second bearing inner ring (41) and a second bearing outer ring (42), the second bearing inner ring (41) is fixedly connected with the first bearing inner ring (31) in a coaxial line mode, and the inner diameter of the second bearing inner ring (41) is larger than or equal to that of the first bearing inner ring (31).

3. The modular tamper-evident packaging case of claim 2, wherein: the second clamping ring (6) is fixed on the second bearing outer ring (42), the inner diameter of the second clamping ring (6) is equal to that of the first bearing inner ring (31), the inner surfaces of the second clamping ring (6) and the first bearing inner ring (31) are respectively provided with a through groove (8) which can be communicated, and the through grooves (8) are parallel to the axis of the first bearing (3); the key (7) comprises a round rod (71), a clamping block (72) is arranged on the side surface of the round rod (71) close to the end part, and the clamping block (72) is matched with the straight through groove (8) in shape.

4. The modular tamper-evident packaging case of claim 3, wherein: the length of the clamping block (72) is smaller than that of the straight-through groove (8) on the second clamping ring (6).

5. The modular tamper-evident packaging case of claim 2, wherein: first bearing (3) still include first bearing outer lane (32), and first snap ring (5) are located between first bearing outer lane (32) and second bearing outer lane (42).

6. The modular tamper-evident packaging case of claim 1, wherein: the bottom tray (11) is hinged with the inner box plate (21) through a loose core hinge (10).

7. The modular tamper-evident packaging case of claim 6, wherein: the core-pulling hinge (10) comprises a hinge shaft (101), the hinge shaft (101) comprises a shaft rod (1011) and a shaft cap (1012), and the shaft rod (1011) is in threaded connection with the shaft cap (1012).

8. The modular tamper-evident packaging case of claim 1, wherein: be equipped with dismantled and assembled framed panel (9) between outer boxboard (12) and interior boxboard (21), framed panel (9) include two first poles (91), two second poles (92), and first pole (91) both ends are equipped with tenon (911), and second pole (92) both ends are equipped with mortise (921), and first pole (91) and second pole (92) are through the plug-in connection of tenon (911) and mortise (921).

9. Method for theft protection for a modular theft protection package according to any one of claims 1 to 8, characterized by the following steps:

s1, horizontally placing a bottom tray (11), and installing all outer box plates (12) on the bottom tray (11);

s2, marking twelve and six positions on all the inner box plates (21) by using the edges of the circular grooves (211) as a dial plate, and arranging a first bayonet (2121) at any integral point time;

s3, marking twelve and six points which are the same as the positions of the corresponding inner box plates (21) on all the outer box plates (12) by taking the edge of the first bearing (3) as a dial plate;

s4, marking the number numbers 1-5 on the five outer box plates (12) respectively, and recording integral point time numbers corresponding to the numbers 1-5 respectively to form a cipher table; the box with the second bearing (4) is implemented S5, the box with the first bearing (3) only skips S5 and is directly implemented S6;

s5, avoiding the first bayonet (2121), arranging a second bayonet (2131) at any integral point time position on the edge of the circular groove (211), taking integral point time numbers corresponding to the first bayonet (2121) as a primary password, taking integral point time numbers corresponding to the second bayonet (2131) as a secondary password, and enabling each number in the numbers 1-5 to correspond to one primary password and one secondary password to form a password table;

s6, the packaging box manufacturer delivers the goods to a seller along with the corresponding password table attached to the box, the seller opens the packaging box according to the password table, the packaging box is reassembled after the goods are loaded, the packaging box is delivered to the buyer after the password is disturbed, and the buyer and the seller are contacted to acquire the content of the password table and then open the packaging box to take out the goods.