CN209720198U - Packing box - Google Patents

Abstract

The utility model belongs to packaging field, and in particular to packing box, packing box, including box body and box cover；Box cover is equipped with opening at symmetrical both ends；Box body is placed in box cover, and can be carried out bidirectional pulling along the opening of box cover and be moved；Box cover is equipped with movable part on the pull path of box body, and box body is that the corresponding position of movable part is equipped with the locking part that box body is locked by movable part；Movable part on box cover has first state and the second state, and in the first state, movable part is invalid to locking part, and the pull activity relative to box cover can occur for box body；In the second condition, box body is along box cover draw process, and locking part and movable part cooperatively form lock cell, and box body can not carry out the pull activity relative to box cover.The technical solution of the application can save space and box body stability relative to box cover of the packing box in transport and storage, and it is suitable for the improvement of existing all kinds of draw-type packing cases.

Description

Packing box

Technical field

The utility model belongs to packaging field, and in particular to packing box.

Background technique

Packing box is used for receiving, fixed protection and beautification to all kinds of commodity；Also there is part packing box for storing.But The either packing box of which kind of purposes, finally arranges that content more orderly.

Packing box is to realize its packaging function, has solid space structure, but stereochemical structure will account for during transportation According to larger space, and it is easily damaged.In addition, in article taking-up or transportational process, article is easily separated from out after packing article Packing box is fallen.

Utility model content

The application provides packing box, for guaranteeing that article will not fall off out from packing box.

To realize the above-mentioned technical purpose, the technical solution that the application uses is, packing box, including box body and box cover；Box cover Opening is equipped at symmetrical both ends；Box body is placed in box cover, and can be carried out bidirectional pulling along the opening of box cover and be moved；Box cover exists The pull path of box body is equipped with movable part, and box body is that the corresponding position of movable part is equipped with the locking that box body is locked by movable part Portion；Movable part on box cover has first state and the second state, and in the first state, movable part is invalid to locking part, box body The pull activity relative to box cover can occur；In the second condition, box body is along box cover draw process, locking part and movable part Lock cell is cooperatively formed, box body can not carry out the pull activity relative to box cover.

As the improved technical solution of the application, movable part includes the first active face and the second activity of unitary design Face, the first active face and box cover are in integral structure to the covering surface of box body, and the first folding line is formed between the covering surface of box body； Side when second active face and box cover cover box body is in integral structure, and is formed with the second folding line with side；First activity Third folding line is formed between face and the second active face；To third folding line apply active force, realize movable part first state with Change between second state；

When being defined on box body and being placed in box cover, the face that box opening is covered in box cover is the covering surface of box cover；It is defined on box When body is placed in box cover, the face parallel with box body side is the side of box cover in box cover.

As the improved technical solution of the application, when movable part is from first state to the second state change, the first activity Face can occur along the first folding line and third folding line relative to the folding inside box cover, and the second active face can be along the second folding line and third Folding line occurs relative to the folding inside box cover；Movable part from the second state to first state change when, the first active face with Second active face then carries out opposite folding.

As the improved technical solution of the application, when movable part is in first state, the first active face and box cover cover Capping is generally aligned in the same plane, and the side of the second active face and box cover is generally aligned in the same plane；

When movable part is in the second state, the first active face is parallel to the side of box cover, and the second active face is parallel to box The covering surface of lid.

As the improved technical solution of the application, movable part has at least two, and is divided into the two sides of box cover width direction, Defining box cover width direction is to carry out the direction of pull along box cover perpendicular to box body.

As the improved technical solution of the application, it is additionally provided with assisted parts on box cover, carries out the first shape for special operations portion The transformation of state and the second state；Assisted parts includes the via hole on the covering surface of box cover.

As the improved technical solution of the application, assisted parts further includes the shielding surface for covering via hole, shielding surface with The covering surface of box cover is structure as a whole, between shielding surface and covering surface have the 4th folding line, shielding surface can occur along the 4th folding line to Box cover internally and/or externally turns down.

As the improved technical solution of the application, box cover includes the face one, face two, face three and face four set gradually, wherein It is formed between folding line one, face two and face three to be formed between folding line two, face three and face four between face one and face two and is formed with folding line three, face One has the extended surface to four side of face, has folding line four between face one and extended surface, and extended surface and face four overlap；Wherein, face three is The covering surface of box cover, face two and face four are the side of box cover；Face one is the bottom surface of box cover；Movable part is set to folding line two and folding line three Place, and the movement relative to covering surface and side can occur.

As the improved technical solution of the application, box body includes basal plane, first side and the second side of integral structure, First side and second side are arranged at intervals at the surrounding of basal plane, and the facade group around basal plane is cooperatively formed when folding；Base Opening up accommodating chamber is collectively formed in face and facade group；Locking part is set in second side.

As the improved technical solution of the application, second side includes the face A2 and A2 extended surface；Second side passes through the face A2 It is connected on basal plane and is formed between basal plane folding line five, the face A2 forms the first facade along folding line five-way basal plane folded inside；A2 Extended surface is connected on the face A2 and is formed between the face A2 folding line six, and A2 extended surface is folded along folding line six-way basal plane side, and and A2 Face superposition；The part that the face A2 is superimposed with A2 extended surface is equipped with notch, and notch is realized as movable part cooperation in locking part and box cover The opposite locking of box cover and box body.

As the improved technical solution of the application, second side includes the face B2 and the face B3, and the face B2 is divided into the face B3 and is set to The both ends in the face A2 are formed between folding line six, the face B3 and the face A2 between the face B2 and the face A2 and are formed with folding line seven, the face B2 and the face B3 edge respectively Folding line six and folding line seven are used for the support portion of first side after folding.

As the improved technical solution of the application, first side includes the sequentially connected face A1, the face B1 and B1 extended surface；A1 Face is connected to basal plane and is formed with folding line eight, the face B1 and the face A1 homalographic between basal plane, and the face B1 is connected to the face A1 and between the face A1 It is formed between folding line nine, B1 extended surface and the face B1 and is formed with folding line ten；

The first side is by successively completing the first side to crease eight, folding line nine and folding line ten of basal plane folded inside Face folds；The face the A1 superposition corresponding with the face B1, B1 extended surface are affixed on the inside of basal plane；

The basal plane is equipped with protrusion near folding line eight, and raised thickness is not less than the thickness of B1 extended surface；

After first side folds, the outer of B1 extended surface and the side wall of protrusion towards folding line eight are contradicted.

As the improved technical solution of the application, when corresponding with the face the B1 superposition in the face A1, B2 is clamped between the face A1 and the face B1 Face or the face B3.

Beneficial effect

The technical solution of the application has following technical effect:

1, movable part is set on box cover, locking part is set on box body, movable part is realized in movable part and locking part cooperation In different conditions, box cover and box body can be locked (box body cannot carry out pull along box cover and move) (box body can be along boxes with Xie Suoding Lid carries out pull movement), guarantee the packing box stability of article in packing box after packing article；

2, the locking part structure on the movable part and box body on box cover is simple, existing box cover and box with certain degree of hardness Body can be carried out transformation and realize above-mentioned function；

3, box body and box cover can shakeout accommodation space respectively, are readily transported and store, and guarantee the safety of transportational process, Avoid damaging by pressure for packing box；

4, the folding convenient of box body and box cover carries out the molding of folding convenient packing box along folding line, when being conducive to shorten folding Between；And extended surface is arranged in box body side, improves the mechanical property in key effect portion, guarantees box cover to the locking effect of box body.

To sum up, the technical solution of the application can be based on existing any type of draw-type packing case, and material is not limited to Board cartoon, can also be the plastic uptake or foamed products of equal performance, and application range is wider.

It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived described in greater detail below are at this It can be viewed as a part of the utility model theme of the disclosure in the case that the design of sample is not conflicting.

The foregoing and other side of the utility model introduction can be more fully appreciated from the following description in conjunction with attached drawing Face, embodiment and feature.The features and/or benefits of other additional aspects such as illustrative embodiments of the utility model To be obvious in the following description, or will be learnt in the practice by the specific embodiment instructed according to the utility model.

Detailed description of the invention

Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or nearly identical group each of is shown in each figure It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled. Now, by by example and be described in reference to the drawings the utility model various aspects embodiment, in which:

Box body pulls out rear status diagram in Fig. 1 the application packing box；

The first status diagram of Fig. 2 the application packaging box cover movable part；

Second of status diagram of Fig. 3 the application packaging box cover movable part；

Fig. 4 the application packaging box cover folded state schematic diagram；

The structural schematic diagram of Fig. 5 the application packaging box body；

Fig. 6 the application packaging box body semi-collapsed condition schematic diagram；

The folded state schematic diagram of Fig. 7 the application packaging box body；

Fig. 8 the application packaging box body fully unfolded position schematic diagram；

In figure, the meaning of each appended drawing reference is as follows:

1, box body；2, box cover；3, movable part；4, locking part；5, the first active face；6, the second active face；7, covering surface (face Three)；8, the first folding line；9, side (two/face of face four)；10, the second folding line；11, third folding line；12, assisted parts；13, via hole； 14, shielding surface；15, the 4th folding line；16, face one；17, folding line one；18, folding line two；19, folding line three；20, folding line four；21, base Face；22, first side；23, second side；231, the face A2；232, A2 extended surface；233, the face B2；234, the face B3；221, the face A1； 222, the face B1；223, B1 extended surface；24, raised.

Specific embodiment

In order to know more about the technology contents of the utility model, spy lifts specific embodiment and institute's accompanying drawings is cooperated to be described as follows.

It is described with reference to the various aspects of the utility model in the disclosure, shown in the drawings of the implementation of many explanations Example.It is not intended to cover all aspects of the utility model for embodiment of the disclosure.It should be appreciated that a variety of structures presented hereinbefore Think and embodiment, and those of describe in more detail below design and embodiment can in many ways in any one Implement, this is because conception and embodiment disclosed in the utility model are not limited to any embodiment.In addition, this is practical Novel disclosed some aspects can be used alone, or with it is disclosed by the utility model it is otherwise it is any it is appropriately combined come It uses.

Packing box shown in FIG. 1, including box body 1 and box cover 2；Box cover 2 is equipped with opening at symmetrical both ends；Box body 1 is set In box cover 2, and bidirectional pulling can be carried out along the opening of box cover 2 and moved.Bidirectional drawing type packing box is existing packing box field Common mode, good relative to upper cover opened packaging box shockproof properties, article can be protected completely in box.But left (or It is right) draw-type packing case is then easy to slide from end.

The application slides from box cover 2 in order to avoid box body 1, and the box cover 2 is equipped with activity on the pull path of box body 1 Portion 3, box body 1 are that the corresponding position of movable part 3 is equipped with the locking part 4 that box body 1 is locked by movable part 3；Movable part on box cover 2 3 have first state and the second state, and in the first state, movable part 3 is invalid to locking part 4, and box body 1 can occur relative to box The pull activity of lid 2；In the second condition, along 2 draw process of box cover, locking part 4 cooperatively forms box body 1 with movable part 3 Lock cell, box body 1 can not carry out the pull activity relative to box cover 2.Box body 1 and box are realized in locking part 4 and the cooperation of movable part 3 (box body 1 can carry out pull fortune along box cover 2 with Xie Suoding for locking (box body 1 cannot carry out pull along box cover 2 and move) between lid 2 It is dynamic) not only guaranteed the convenience of storing, but also guarantee the safety of storing.

The main structure of the box cover 2 of the application is using common 2 structure of box cover, and be different from the prior art: the application exists Movable part 3 is added on box cover 2.Specific as in Figure 2-4, box cover 2 includes face 1, face two (side 9), face three set gradually (covering surface 7) and face four (side 9), wherein be formed between face 1 and face two between folding line 1, face two and face three and be formed with folding Folding line 3 19 is formed between trace 2 18, face three and face four, face 1 has the extended surface to four side of face, between face 1 and extended surface With folding line 4 20, extended surface and face four are overlapped；Once folded along folding line 1, folding line 2 18, folding line 3 19 and folding line 4 20 Each face, and extended surface and four lamination portion of face are bonded to obtain complete box cover 2.Wherein, face three is the covering of box cover 2 Face 7, face two and face four are the side 9 of box cover 2；Face 1 is the bottom surface of box cover 2；Movable part 3 is set to folding line 2 18 or/and folding line At 3 19, and the movement relative to covering surface 7 and side 9 can occur.

Packing box is in use state as shown in Figure 1-3, face 1 to the face four of box cover passes sequentially through folding line 1 to folding line 4 20 fold, the rectangular structure in the two sides being arbitrarily bordered by, and form the both ends of a stereo structure with the receiving cavity configuration of opening. Packing box is in travel position, as shown in figure 4, movable part 3 is in first state, and face three and face two are in zero angle, face three and face four In 180 degree angle, guarantee that 2 entirety of box cover is in be folded flat state.

In order to guarantee processing efficiency, also for guarantee movable part 3 function and effect and its locking intensity to locking part 4, Movable part 3 be with 2 unitary design of box cover, and movable part 3 must have certain support barrier strength.It is specific to combine figure 2-3, movable part 3 include the first active face 5 and the second active face 6 of unitary design, the first active face 5 and the second active face 6 Either be in first state or the second state, the first active face 5 and the second active face 6 always at an angle, in order to protect Support effect is demonstrate,proved, the application is set as the first active face 5 and the second at right angles setting of active face 6.The specific embodiment of the application In, in order to guarantee the aesthetics of box cover 2, using: when movable part 3 is in first state, the first active face 5 and box cover 2 Covering surface 7 be generally aligned in the same plane, the second active face 6 and the side 9 of box cover 2 are generally aligned in the same plane；Second is in movable part 3 When state, the first active face 5 is parallel to the side 9 of box cover 2, and the second active face 6 is parallel to the covering surface 7 of box cover 2.

Since the application movable part 3 has state change, and the movable part 3 under each state is required to be only capable of in external force Lower generation state change.In the application specific embodiment, the first active face 5 is with box cover 2 to the covering surface 7 of box body 1 in one knot Structure, and the first folding line 8 is formed between the covering surface of box body 17；Side when second active face 6 covers box body 1 with box cover 2 The second folding line 10 is formed in integral structure, and with side；Third folding is formed between first active face 5 and the second active face 6 Trace 11；When being defined on box body 1 here and being placed in box cover 2, the face that covering box body 1 is open in box cover 2 is the covering surface 7 of box cover 2；It is fixed For justice when box body 1 is placed in box cover 2, the face parallel with 1 side of box body is the side of box cover 2 in box cover 2.Wherein, the first folding line 8, the second folding line 10 is with third folding line 11 i.e. so that the first active face 5 and the second active face 6 are in stablize right-angle structure, while three Between formed stablize support so that movable part 3 can be carried out the transformation of first state Yu the second state, do not spring back.

Wherein, the best point of application that third folding line 11 changes between the first state and the second state of movable part 3.To third Folding line 11 applies active force, realizes that movable part 3 changes between first state and the second state.Specifically: in movable part 3 from When one state is to the second state change, the first active face 5 can occur with third folding line 11 relative in box cover 2 along the first folding line 8 The folding in portion, the second active face 6 can occur with third folding line 11 relative to the folding inside box cover 2 along the second folding line 10；First Active face 5 and the second active face 6 vertically form barrier structure unit, and barrier structure unit falls into the realization pair of locking part 4 of box body 1 The locking of locking part 4；When movable part 3 changes from the second state to first state, the first active face 5 and the second active face 6 are then Carry out opposite folding；I.e. by acting on third folding line 11, the first active face 5 is promoted to restore to be in same with covering surface 7 The state of plane, the second active face 6 are restored to be in conplane state with side.

In order to guarantee the stability of locking, movable part 3 has at least two, and is divided into the two sides of 2 width direction of box cover, fixed Adopted 2 width direction of box cover is to carry out the direction of pull along box cover 2 perpendicular to box body 1.And if on box cover 2, along 1 pull of box body Multiple movable parts 3 are set gradually on direction, then are able to achieve the locking to the different pull degree of box body 1.

The mode of a pair of of movable part 3 (2 two sides of box cover respectively set a movable part 3) is mainly selected to realize in the embodiment of the present application Locking to box body 1.

Active force is applied to third folding line 11 for convenience, the portion 3 that innervates is converted from the second state to first state, box It is additionally provided with assisted parts 12 on lid 2, the transformation of first state and the second state is carried out for special operations portion 3；Assisted parts 12 includes Via hole 13 on the covering surface 7 of box cover 2.External force applies active force to third folding line 11 by via hole 13, so that living Dynamic transformation of the portion 3 from the second state to first state.

In order to avoid leaking loaded on the content in box body 1, assisted parts 12 further includes for covering blocking for via hole 13 Face 14, shielding surface 14 and the covering surface 7 of box cover 2 are structure as a whole, and have the 4th folding line 15 between shielding surface 14 and covering surface 7, hide Block face 14 can occur internally and/or externally to turn down to box cover 2 along the 4th folding line 15.

Further, in order to cooperate box cover 2, the application box body 1 is also correspondingly improved, and as viewed in figures 5-8, box body 1 wraps Basal plane 21, first side 22 and the second side 23 of integral structure are included, first side 22 is arranged at intervals at second side 23 The surrounding of basal plane 21, and the facade group for surrounding basal plane 21 is cooperatively formed when folding；Opening is collectively formed in basal plane 21 and facade group Accommodating chamber upward；Locking part 4 is set in second side 23.The application locking part 4 is set on the side of box body 1, and movable part 3 It is in the structure of angle formula using the first active face 5 and the second movable part 3, there is certain blocking thickness, locking part 4 is effectively ensured Locking to movable part 3, with convenient for by third folding line 11 apply active force change 3 state of movable part realize unlock.

Such as Fig. 7, box body is transported for convenience, 1 liang of first side 22 of box body is to 21 reverse folded, two second side in outside of basal plane Face 23 is to 21 inner face forward folded of basal plane, so that the generally planar state of box body 1.

Wherein, in embodiments herein, further include redesign second side 23: second side 23 include the face A2 231, A2 extended surface 232, the face B2 233 and the face B3 234；Second side 23 is connected on basal plane 21 and between basal plane 21 by the face A2 231 It is formed with folding line five, the face A2 231 forms the first facade along 21 folded inside of folding line five-way basal plane；A2 extended surface 232 is connected to A2 Be formed with folding line six on face 231 and between the face A2 231, A2 extended surface 232 is folded along 21 side of folding line six-way basal plane, and with the face A2 231 superpositions；The part that the face A2 231 is superimposed with A2 extended surface 232 is equipped with notch, and notch is as movable part in locking part 4 and box cover 2 The opposite locking of box cover 2 and box body 1 is realized in 3 cooperations.

The face B2 233 and the face B3 234 are divided into the both ends set on the face A2 231, are formed with folding line between the face B2 233 and the face A2 231 Six, folding line seven is formed between the face B3 234 and the face A2 231, after the face B2 233 and the face B3 234 are folded along folding line six and folding line seven respectively Support portion for first side 22.

First side 22 includes the sequentially connected face A1 221, the face B1 222 and B1 extended surface 223；The face A1 221 is connected to base Face 21 is simultaneously formed with folding line eight, the face B1 222 and 221 homalographic of the face A1 between basal plane 21, the face B1 222 be connected to the face A1 221 and with It is formed between the face A1 221 between folding line nine, B1 extended surface 223 and the face B1 222 and is formed with folding line ten；

The first side 22 is by successively completing the to crease eight, folding line nine and folding line ten of 21 folded inside of basal plane One side 22 folds；The superposition corresponding with the face B1 222 of the face A1 221, while the face B2 is clamped between the face A1 221 and the face B1 222 233 realize that the support B1 extended surface 223 to the face A1 221 and the face B1 222 is affixed on basal plane with the face B3 234, the face B2 233 and the face B3 234 21 inside；

Further, in order to facilitate the transport of box body 1, the basal plane 21 is equipped with protrusion 24, protrusion 24 near folding line eight Thickness be not less than B1 extended surface 223 thickness；After first side 22 folds, the outer of B1 extended surface 223 and raised 24 directions The side wall of folding line eight contradicts.

The another object of the application is to provide the application method of packing box, and box body 1 and box cover 2 are carried out folding formation respectively Stereochemical structure independent；

The movable part 3 of adjustment box cover 2 is at first state, and box body 1 is normally taken out along box cover 2 under external force It draws；

After 1 part of box body extracts box cover 2 out, adjustment 2 movable part 3 of box cover is at the second state, and box body 1 is able to maintain half-dozen Open state, i.e. box body 1 only can be carried out the unidirectional pull of partial journey；

Box body 1 is fully located in box cover 2, and the activity of adjustment box cover 2 is at the second state, and box body 1 is locked by box cover 2 Only and box body 1 can not carry out any movement relative to box cover 2.

Although the utility model has been disclosed with preferred embodiment as above, so it is not intended to limit the utility model.This reality It is without departing from the spirit and scope of the utility model, each when that can make with novel those of ordinary skill in the art Kind changes and retouches.Therefore, the protection scope of the utility model is subject to view those as defined in claim.

Claims (13)

1. packing box, including box body and box cover；Box cover is equipped with opening at symmetrical both ends；Box body is placed in box cover, and can edge The opening of box cover carries out bidirectional pulling movement；It is characterized in that, box cover is equipped with movable part on the pull path of box body, box body exists The locking part that box body is locked by movable part is equipped in the corresponding position of movable part；Movable part on box cover has first state and the Two-state, in the first state, movable part are invalid to locking part, and the pull activity relative to box cover can occur for box body；Second Under state, box body is along box cover draw process, and locking part and movable part cooperatively form lock cell, and box body can not carry out relatively In the pull activity of box cover.

2. packing box according to claim 1, which is characterized in that movable part include unitary design the first active face with Second active face, the first active face and box cover are in integral structure to the covering surface of box body, and are formed between the covering surface of box body First folding line；Side when second active face and box cover cover box body is in integral structure, and is formed with the second folding line with side； Third folding line is formed between first active face and the second active face；Apply active force to third folding line, realizes movable part the Change between one state and the second state；

When being defined on box body and being placed in box cover, the face that box opening is covered in box cover is the covering surface of box cover；Box body is defined on to set When in box cover, the face parallel with box body side is the side of box cover in box cover.

3. packing box according to claim 2, which is characterized in that in movable part from first state to the second state change When, the first active face can occur along the first folding line and third folding line relative to the folding inside box cover, and the second active face can be along the Two folding lines and third folding line occur relative to the folding inside box cover；When movable part changes from the second state to first state, First active face then carries out opposite folding with the second active face.

4. packing box according to claim 2 or 3, which is characterized in that when movable part is in first state, the first activity The covering surface of face and box cover is generally aligned in the same plane, and the side of the second active face and box cover is generally aligned in the same plane；

When movable part is in the second state, the first active face is parallel to the side of box cover, and the second active face is parallel to box cover Covering surface.

5. packing box according to claim 2 or 3, which is characterized in that movable part has at least two, and it is wide to be divided into box cover The two sides in direction are spent, defining box cover width direction is to carry out the direction of pull along box cover perpendicular to box body.

6. packing box according to claim 1,2 or 3, which is characterized in that be additionally provided with assisted parts on box cover, live for assisting Dynamic portion carries out the transformation of first state and the second state；Assisted parts includes the via hole on the covering surface of box cover.

7. packing box according to claim 6, which is characterized in that assisted parts further includes for covering blocking for via hole The covering surface of face, shielding surface and box cover is structure as a whole, and has the 4th folding line between shielding surface and covering surface, shielding surface can be along the 4th Folding line occurs internally and/or externally to turn down to box cover.

8. according to claim 1, packing box described in 2,3 or 7, which is characterized in that box cover includes face one, the face set gradually Two, face three and face four, wherein folding line two, face three and the face of being formed with are formed between folding line one, face two and face three between face one and face two Folding line three is formed between four, face one has the extended surface to four side of face, has folding line four, extended surface and face between face one and extended surface Four overlappings；Wherein, face three is the covering surface of box cover, and face two and face four are the side of box cover；Face one is the bottom surface of box cover；Movable part At folding line two and folding line three, and the movement relative to covering surface and side can occur.

9. packing box according to claim 1, which is characterized in that box body includes the basal plane of integral structure, first side And second side, first side and second side are arranged at intervals at the surrounding of basal plane, and cooperatively form when folding around basal plane Facade group；Opening up accommodating chamber is collectively formed in basal plane and facade group；Locking part is set in second side.

10. packing box according to claim 9, which is characterized in that second side includes the face A2 and A2 extended surface；Second side Face is connected on basal plane by the face A2 and is formed between basal plane folding line five, and the face A2 forms the along folding line five-way basal plane folded inside One facade；A2 extended surface is connected on the face A2 and is formed between the face A2 folding line six, and A2 extended surface is rolled over along folding line six-way basal plane side It is folded, and be superimposed with the face A2；The part that the face A2 is superimposed with A2 extended surface is equipped with notch, and notch is as movable part in locking part and box cover The opposite locking of box cover and box body is realized in cooperation.

11. packing box according to claim 9 or 10, which is characterized in that second side includes the face B2 and the face B3, the face B2 with The face B3 is divided into the both ends set on the face A2, is formed between folding line six, the face B3 and the face A2 between the face B2 and the face A2 and is formed with folding line seven, B2 Face and the face B3 are used for the support portion of first side after folding line six and the folding of folding line seven respectively.

12. packing box according to claim 9, which is characterized in that first side includes the sequentially connected face A1, the face B1 and B1 Extended surface；The face A1, which is connected to basal plane and is formed with folding line eight, the face B1 and the face A1 homalographic, the face B1 between basal plane, is connected to the face A1 simultaneously It is formed between the face A1 between folding line nine, B1 extended surface and the face B1 and is formed with folding line ten；

The first side is by successively completing first side folding to crease eight, folding line nine and folding line ten of basal plane folded inside It is folded；The face the A1 superposition corresponding with the face B1, B1 extended surface are affixed on the inside of basal plane；

The basal plane is equipped with protrusion near folding line eight, and raised thickness is not less than the thickness of B1 extended surface；

After first side folds, the outer of B1 extended surface and the side wall of protrusion towards folding line eight are contradicted.

13. packing box according to claim 12, which is characterized in that when corresponding with the face the B1 superposition in the face A1, the face A1 and the face B1 Between be clamped with the face B2 or the face B3.