CN220147819U - Bottom cover-free carton convenient to assemble and disassemble - Google Patents

Abstract

The utility model discloses a bottom cover-free carton which is convenient to assemble and disassemble, and comprises a front side plate, a left side plate, a rear side plate and a right side plate which are sequentially connected from left to right, wherein the top of the rear side plate is connected with a top plate, one end of the top plate is provided with an extending part which can be folded relative to the top plate in an extending mode, the extending part is provided with an adhesive surface which is attached to the front side plate, a locking structure is arranged between the front side plate and the right side plate, and the front side plate and the right side plate are detachably connected through the locking structure. The utility model has the following advantages and effects: the novel mechanical structure is utilized in the scheme, and the novel mechanical structure has the effects of convenience in assembly and disassembly and difficulty in scratching the surface of a product.

Description

Bottom cover-free carton convenient to assemble and disassemble

Technical Field

The utility model relates to the technical field of cartons, in particular to a bottom cover-free carton convenient to assemble and disassemble.

Background

At present, products such as present refrigerator can lay a layer of foam board in its bottom when express delivery transportation, then cover and establish a carton that does not have the bottom above it, at last tie up stay cord around and fix carton and foam board, but its four curb plates of this kind of carton on the market are usually enclosed to be established into a annular whole, because the volume restriction of carton, when the refrigerator outside is located to the cover from the top down, the outer wall of refrigerator can produce the extrusion to four curb plates of carton, this process that makes the carton cover locate the refrigerator outside is very hard, in addition when the refrigerator is sent to user's house, the user need demolish the carton from the refrigerator, at this moment because carton self thickness is thicker, even the user also is harder to cut the carton with instruments such as scissors, also very easy scratch the outer lacquer of refrigerator when utilizing the scissors to cut simultaneously, lead to the user to dismantle the process of carton very inconvenient, for this reason, now, what need is convenient for loading and unloading carton research and development.

Disclosure of Invention

The utility model aims to provide a bottom cover-free carton which is convenient to assemble and disassemble and has the effects of being convenient to assemble and disassemble and not easy to scratch the surface of a product.

The technical aim of the utility model is realized by the following technical scheme: the utility model provides a no end lid carton convenient to loading and unloading, includes preceding curb plate, left side board, posterior lateral plate and the right side board that connects gradually from a left side to the right side, posterior lateral plate top is connected with the roof, roof one end extension be equipped with can be relative the extension that the roof turns over a book, the extension be equipped with the bonding face of preceding curb plate laminating, preceding curb plate with be equipped with the lock joint structure between the right side board, preceding curb plate with the right side board passes through the lock joint structure can dismantle and connect.

By adopting the technical scheme, when the packaging box is used, the front side plate, the left side plate, the rear side plate and the right side plate are firstly arranged around a product to be packaged in a surrounding manner, the front side plate and the right side plate are locked and fixed by utilizing the locking structure, then the top plate is turned over relative to the rear side plate, the extension part at the front end of the top plate is turned over relative to the front side plate, and the bonding surface of the extension part is bonded and fixed on the front side plate, so that the top plate, the front side plate, the left side plate, the rear side plate and the right side plate are wrapped outside the product to be packaged; when a user needs to detach the utility model from a packaged product, the user only needs to peel off the extension part from the front side plate to separate the bonding surface of the extension part from the front side plate, then unlock the locking structure to separate the front side plate and the right side plate from each other, and the utility model can be easily detached from the packaged product.

The utility model is further provided with: the locking structure comprises a plurality of lock sleeves and locking pieces, wherein the front side plate is connected with the lock sleeves from top to bottom through ropes, the right side plate corresponds to the lock sleeves and is connected with the locking pieces through ropes, and each lock sleeve is in locking fit with the corresponding locking piece.

Through adopting above-mentioned technical scheme, can be through in the lock sleeve with locking piece lock joint in correspondence, with preceding curb plate and right side board fixed connection to the end to end that makes preceding curb plate, left side board, posterior lateral plate and right side board forms the closed loop and realizes the assembly, perhaps unblock to the lock joint structure, makes preceding curb plate can realize dismantling with posterior lateral plate relative separation, and lock sleeve and locking piece adopt the rope to connect, mainly consider flexible can freely buckle, convenient and practical.

The utility model is further provided with: the locking piece includes locking portion, connecting portion and butt portion, the lock sleeve runs through and has seted up the chamber of sliding, lock sleeve one end is equipped with a plurality of lock archs, locking portion corresponds the lock is protruding to be seted up a plurality of locked grooves, connecting portion activity wear to locate the chamber of sliding and both rotatable each other, the lock sleeve corresponds the butt portion is equipped with elastic construction, works as the locking piece with the lock sleeve lock is connected, elastic construction has the order about all the time the butt portion is kept away from the lock sleeve and makes the lock arch with locked complex motion trend of locked groove.

Through adopting above-mentioned technical scheme, pass the chamber of sliding with the locking portion of locking piece, then rotate 90 degrees with the relative lock sleeve of locking piece, at this moment under the elasticity of elastic structure supports the tight power, make the lock protruding on the lock sleeve and the locked groove lock of locking portion connect fixedly and mutually the rotation of stopping, when needs carry out the unblock to lock structure, thereby can keep away from the lock sleeve through pushing the locking portion of pushing the butt portion, make lock protruding and locked groove mutually separate, later reverse rotation locking piece 90 degrees make locking portion and slide the chamber alignment, can take out the realization separation with the locking piece from the lock sleeve this moment.

The utility model is further provided with: the elastic structure comprises a prop and an elastic piece, the lock sleeve is provided with a containing cavity, the prop is movably arranged in the containing cavity, and the elastic piece always has a movement trend of driving the prop to extend out of the containing cavity.

Through adopting above-mentioned technical scheme, when locking piece and lock sleeve lock joint are fixed, the elastic component is compressed, and the elastic component is through self elastic force promotion support post and stretches out the holding chamber and support in the butt portion, can not take place to rock when making locking piece locking and lock sleeve in, and then improves the lock joint firm degree of this utility model.

The utility model is further provided with: the lock sleeve is provided with a stop convex ring in an inward extending mode at the opening of the accommodating cavity, the support column is provided with a stop part, and the stop part is in anti-falling fit with the stop convex ring.

By adopting the technical scheme, the stop convex ring can effectively prevent the support column from falling out of the accommodating cavity.

The utility model is further provided with: the lock sleeve is characterized in that one end of the lock sleeve is provided with a locking groove communicated with the sliding cavity, the bottom of the locking groove is provided with a locking protrusion, and when the locking piece is locked to the lock sleeve, the locking part is hidden and clamped in the locking groove.

By adopting the technical scheme, the cross sections of the locking groove and the sliding cavity are distributed in a cross shape, when the locking piece is locked with the lock sleeve by the aid of the locking groove, the locking part can be hidden and embedded in the locking groove, the locking groove can also play a role in positioning with the locking part, the situation that the locking part is unlocked by mistake due to relative deviation caused by shaking when the locking part is locked with the lock sleeve relatively can be effectively prevented, attractive appearance is improved, and meanwhile, the locking firmness of the locking device is improved.

The utility model is further provided with: the locking part is provided with a plurality of reinforcing ribs, and the reinforcing ribs are distributed on the end face of the locking part in a cross shape.

Through adopting above-mentioned technical scheme, the strengthening rib that the cross set up can improve the structural strength of locking portion, prevents to cause the damage of locking portion owing to the tensile stress of lock joint structure both sides is too big.

The utility model is further provided with: the side wall of the lock sleeve is provided with a plurality of anti-slip bulges at intervals.

By adopting the technical scheme, when the lock sleeve is required to be unlocked, one hand is required to hold the outer wall of the lock sleeve, and the other hand is required to screw the locking piece, because the lock sleeve is possibly smaller in design, and meanwhile, under the action of the propping force of the elastic structure, fingers holding the lock sleeve can slip to cause the situation that the lock sleeve is difficult to screw for unlocking, the anti-slip bulge is additionally arranged in the lock sleeve, so that the anti-slip performance between the fingers and the outer wall of the lock sleeve is improved.

The utility model is further provided with: the abutting part is integrally formed with a screwing block, and the screwing block is provided with a first hanging hole; the lock sleeve is fixedly connected with a connecting seat through a plurality of connecting ribs, and a second hanging hole is formed in the connecting seat.

By adopting the technical scheme, the first hanging hole and the second hanging hole can be used for fixedly connecting the rope; in addition, a user can realize unlocking or locking by screwing the locking piece by using the screwing block, so that the convenience of operation is improved.

The utility model is further provided with: limiting blocks are arranged on two sides of the abutting part, a plurality of baffles are arranged on the lock sleeve corresponding to the limiting blocks, rotating gaps for the limiting blocks to rotate are reserved between the adjacent baffles, and the limiting blocks are matched with limiting stops of the baffles, so that the locking piece can rotate between a locking state and an unlocking state relative to the lock sleeve.

Through adopting above-mentioned technical scheme, the limit stop of baffle and stopper for the locking piece can only rotate in limiting angle relative the lock sleeve, does benefit to the alignment of unblock position and locking position.

In summary, the utility model has the following beneficial effects:

1. the adoption utilizes the rope to connect a plurality of lock sleeves in preceding curb plate one side, utilizes the rope to connect a plurality of locking piece in the right side board, sets up elastic structure simultaneously on the lock sleeve, under the elastic structure to the elasticity of locking piece support tight force and the lock protruding of lock sleeve with correspond the locked groove locking cooperation of locking piece for the whole dismouting process of carton need not with the help of instrument such as scissors, has the effect of installing and removing convenience, difficult scratch product surface.

2. The locking groove communicated with the sliding cavity is formed in the lock sleeve, so that when the locking piece is locked with the lock sleeve, the locking part is hidden and clamped in the locking groove, and the effects of improving attractiveness and locking firmness are achieved.

3. The adoption sets up crisscross strengthening rib at locking portion, has the effect that improves locking portion's structural strength.

4. The anti-skid bulges are arranged outside the lock sleeve, so that the anti-skid performance of the anti-skid lock sleeve is improved.

5. The rotary screwing blocks are arranged on the abutting parts, the limiting blocks are arranged on two sides of the rotary screwing blocks, the two corresponding baffle plates are arranged at the end parts of the lock sleeve, and a rotary gap for the limiting blocks to rotate is reserved between the two baffle plates, so that the effect of locating the unlocking position and the locking position is achieved.

Drawings

Fig. 1 is an overall block diagram of the present utility model when assembled into a carton with the locking mechanism in a locked condition.

FIG. 2 is a spreading view of the present utility model with the locking structure in an unlocked state.

Fig. 3 is a structural view of the locking structure of the present utility model.

Fig. 4 is a block diagram of another view of the latching structure of the present utility model.

Fig. 5 is a longitudinal cross-sectional view of the locking structure of the present utility model.

Fig. 6 is a view of the lock of the present utility model separated from the sleeve.

Fig. 7 is a view of the lock sleeve shown separated from the lock sleeve in another view of the present utility model.

In the figure: 11. a front side plate; 12. a left side plate; 13. a rear side plate; 14. a right side plate; 15. a top plate; 151. an extension; 151a, an adhesive surface; 2. a lock sleeve; 21. a sliding cavity; 22. a locking groove; 221. a guide slope; 23. locking the convex; 24. a receiving chamber; 241. a stop collar; 25. a slip preventing protrusion; 26. a baffle; 26a, a rotational gap; 3. a locking member; 31. a locking part; 311. a locking groove; 312. reinforcing ribs; 32. a connection part; 33. an abutting portion; 331. screwing the block; 3311. a first hanging hole; 332. a limiting block; 41. an elastic member; 42. abutting the column; 421. a stop portion; 5. a connecting seat; 51. a connecting rib; 52. a second hanging hole; 6. a rope.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

1-2, including the preceding curb plate 11 that connects gradually from left to right, left side board 12, posterior lateral plate 13 and right side board 14, posterior lateral plate 13 top is connected with roof 15, roof 15 one end extension is equipped with the extension 151 that can turn over relative roof 15, extension 151 is equipped with the bonding face 151a with preceding curb plate 11 laminating, bonding face 151a still can lay the one deck barrier film at its surface before not assembling the use, prevent the unexpected circumstances of adhesion of bonding face 151a, be equipped with the lock structure between preceding curb plate 11 and the right side board 14, preceding curb plate 11 can dismantle through the lock structure with right side board 14 and be connected.

As shown in fig. 1-4 and fig. 6-7, the locking structure comprises a plurality of lock sleeves 2 and locking pieces 3, wherein a plurality of lock sleeves 2 are connected to a front side plate 11 from top to bottom through ropes 6, a plurality of locking pieces 3 are connected to a right side plate 14 corresponding to the lock sleeves 2 through ropes 6, each lock sleeve 2 is in locking fit with the corresponding locking piece 3, the front side plate 11 and the right side plate 14 can be fixedly connected by locking the locking piece 3 in the corresponding lock sleeve 2, so that the front side plate 11, the left side plate 12, the rear side plate 13 and the right side plate 14 are connected end to form a closed loop to realize assembly, or the locking structure is unlocked, the front side plate 11 and the rear side plate 13 can be relatively separated to realize disassembly, the lock sleeves 2 and the locking pieces 3 are connected through the ropes 6, and the locking structure is convenient and practical, and mainly allows the expansion and the bending can be freely performed; the locking piece 3 comprises a locking part 31, a connecting part 32 and an abutting part 33, the sliding cavity 21 is formed in the lock sleeve 2 in a penetrating mode, a plurality of locking protrusions 23 are arranged at one end of the lock sleeve 2, a plurality of locking grooves 311 are formed in the locking part 31 corresponding to the locking protrusions 23, the connecting part 32 movably penetrates through the sliding cavity 21 and can rotate mutually, an elastic structure is arranged in the abutting part 33 corresponding to the lock sleeve 2, when the locking piece 3 is in locking connection with the lock sleeve 2, the elastic structure always has a movement trend of driving the abutting part 33 to be away from the lock sleeve 2 and enabling the locking protrusions 23 to be in locking fit with the locking grooves 311, the locking part 31 of the locking piece 3 penetrates through the sliding cavity 21, then the locking piece 3 is rotated 90 degrees relative to the lock sleeve 2, at the moment, under the elastic abutting force of the elastic structure, the locking protrusions 23 on the lock sleeve 2 are locked and mutually rotated with the locking grooves 311 of the locking part 31, when the locking structure needs to be unlocked, the abutting part 33 can be pressed so as to push the locking part 31 away from the lock sleeve 2, the locking protrusions 23 and the locking grooves 311 are separated mutually, and then the locking piece 31 can be reversely rotated to enable the locking piece 31 to be separated from the sliding cavity 21 to be aligned with the locking piece 3.

As shown in fig. 5, the elastic structure includes a supporting post 42 and an elastic member 41, the lock sleeve 2 is provided with a containing cavity 24, the inside of the containing cavity 24 is movably provided with the supporting post 42, the elastic member 41 always has a movement trend of driving the supporting post 42 to extend out of the containing cavity 24, when the locking member 3 is locked and fixed with the lock sleeve 2, the elastic member 41 is compressed, the elastic member 41 pushes the supporting post 42 to extend out of the containing cavity 24 and support against the abutting part 33 through self elastic force, so that the locking member 3 is locked with the lock sleeve 2 and does not shake, and the locking firmness of the utility model is improved; the lock sleeve 2 is provided with a stop convex ring 241 extending inwards from the opening of the accommodating cavity 24, the support column 42 is provided with a stop part 421, the stop part 421 is in anti-falling fit with the stop convex ring 241, and the stop convex ring 241 can effectively prevent the support column 42 from falling out of the accommodating cavity 24.

As shown in fig. 3-4 and fig. 6-7, a locking groove 22 communicated with a sliding cavity 21 is formed at one end of a lock sleeve 2, a locking protrusion 23 is arranged at the bottom of the locking groove 22, when a locking piece 3 is locked and connected with the lock sleeve 2, a locking part 31 is hidden and embedded in the locking groove 22, the cross sections of the locking groove 22 and the sliding cavity 21 are distributed in a cross shape, when the locking groove 22 is formed, the locking piece 3 and the lock sleeve 2 are locked and connected, the locking part 31 can be hidden and embedded in the locking groove 22, the locking groove 22 and the locking part 31 can also play a positioning role, the situation that the locking part 31 is unlocked by mistake caused by relative deviation due to shaking when the locking part 31 is locked and connected with the lock sleeve 2 can be effectively prevented, the attractive degree is improved, and the locking firmness of the utility model can be increased; the lock sleeve 2 is also provided with a guide inclined plane 221 communicated with the locking groove 22, and the opening of the locking groove 22 is in a flaring shape due to the arrangement of the guide inclined plane 221, so that the locking part 31 is convenient to clamp.

As shown in fig. 3-7, the locking portion 31 is provided with a plurality of reinforcing ribs 312, the reinforcing ribs 312 are distributed on the end face of the locking portion 31 in a cross shape, and the reinforcing ribs 312 arranged in the cross shape can improve the structural strength of the locking portion 31 and prevent the locking portion 31 from being damaged due to overlarge tensile stress on two sides of the locking structure; the anti-slip protrusions 25 are distributed on the side wall of the lock sleeve 2 at intervals, when the lock sleeve 2 is required to be unlocked, one hand is required to hold the outer wall of the lock sleeve 2, the other hand is required to screw the locking piece 3, because the design of the lock sleeve 2 can be smaller, and simultaneously under the action of the propping force of the elastic structure, fingers holding the lock sleeve 2 can slip to cause the situation that the lock sleeve is difficult to screw and unlock, the anti-slip protrusions 25 are additionally arranged to improve the anti-slip performance between the fingers and the outer wall of the lock sleeve 2; the abutting part 33 is integrally formed with a screwing block 331, and the screwing block 331 is provided with a first hanging hole 3311; the lock sleeve 2 is fixedly connected with a connecting seat 5 through a plurality of connecting ribs 51, the connecting seat 5 is provided with a second hanging hole 52, and the first hanging hole 3311 and the second hanging hole 52 can be used for fixedly connecting the rope 6; in addition, a user can realize unlocking or locking by screwing the locking piece 3 by using the screwing block 331, so that the convenience of operation is improved; the stopper 332 is arranged on two sides of the abutting portion 33, the lock sleeve 2 is provided with a plurality of baffles 26 corresponding to the stopper 332, a rotating gap 26a for the rotation of the stopper 332 is reserved between the adjacent baffles 26, the stopper 332 is matched with the limiting stopper of the baffles 26, the locking piece 3 can rotate between a locking state and an unlocking state relative to the lock sleeve 2, and the baffles 26 and the limiting stopper of the stopper 332 enable the locking piece 3 to rotate in a limited angle relative to the lock sleeve 2, so that the unlocking position and the locking position can be found easily.

The basic working principle of the utility model is as follows: when the packaging box is used, the front side plate 11, the left side plate 12, the rear side plate 13 and the right side plate 14 are firstly arranged around a product to be packaged, the front side plate 11 and the right side plate 14 are locked and fixed by utilizing a locking structure, then the top plate 15 is turned over relative to the rear side plate 13, the extension part 151 at the front end of the top plate 15 is turned over relative to the front side plate 11, the bonding surface 151a of the extension part 151 is bonded and fixed on the front side plate 11, and the top plate 15, the front side plate 11, the left side plate 12, the rear side plate 13 and the right side plate 14 are wrapped outside the product to be packaged; when a user needs to detach the utility model from a packaged product, the user only needs to peel the extension part 151 from the front side plate 11 to separate the bonding surface 151a of the extension part 151 from the front side plate 11, then unlock the locking structure to separate the front side plate 11 and the right side plate 14 from each other, so that the utility model can be easily detached from the packaged product, and the whole disassembling and assembling process can prevent the condition that tools scrape the outer paint of the product without tools such as scissors, thereby having the effects of convenient assembly and disassembly and difficult scratching the surface of the product.

The foregoing description is only of the preferred embodiments of the utility model, and all changes and modifications that come within the meaning and range of equivalency of the structures, features and principles of the utility model are therefore intended to be embraced therein.

Claims (10)

1. The utility model provides a no end lid carton convenient to loading and unloading which characterized in that: including preceding curb plate (11), left side board (12), posterior lateral plate (13) and right side board (14) that connect gradually from a left side to the right side, posterior lateral plate (13) top is connected with roof (15), roof (15) one end extension be equipped with can be relative extension (151) that roof (15) turned over, extension (151) be equipped with bonding face (151 a) of preceding curb plate (11) laminating, preceding curb plate (11) with be equipped with the lock structure between right side board (14), preceding curb plate (11) with right side board (14) are passed through the lock structure can dismantle and be connected.

2. A bottom-cover-free carton as claimed in claim 1, wherein: the locking structure comprises a plurality of lock sleeves (2) and locking pieces (3), wherein the front side plate (11) is connected with the lock sleeves (2) from top to bottom through ropes (6), the right side plate (14) corresponds the lock sleeves (2) are connected with the locking pieces (3) through the ropes (6), and each lock sleeve (2) is in locking fit with the corresponding locking piece (3).

3. A bottom-cover-free carton as claimed in claim 2, wherein: the locking piece (3) comprises a locking part (31), a connecting part (32) and a butt part (33), wherein the lock sleeve (2) is penetrated and provided with a sliding cavity (21), one end of the lock sleeve (2) is provided with a plurality of lock protrusions (23), the locking part (31) corresponds to the lock protrusions (23) and is provided with a plurality of lock grooves (311), the connecting part (32) movably penetrates through the sliding cavity (21) and can rotate with each other, the lock sleeve (2) corresponds to the butt part (33) and is provided with an elastic structure, and when the locking piece (3) is connected with the lock sleeve (2), the elastic structure always drives the butt part (33) to be away from the lock sleeve (2) and enables the lock protrusions (23) to move in locking fit with the lock grooves (311).

4. A bottom-cover-free carton as claimed in claim 3, wherein: the elastic structure comprises a supporting column (42) and an elastic piece (41), the lock sleeve (2) is provided with a containing cavity (24), the supporting column (42) is movably arranged in the containing cavity (24), and the elastic piece (41) always has a movement trend of driving the supporting column (42) to extend out of the containing cavity (24).

5. The easy to handle, bottom cover carton of claim 4, wherein: the lock sleeve (2) is provided with a stop convex ring (241) in an inward extending mode at the opening of the accommodating cavity (24), the supporting column (42) is provided with a stop part (421), and the stop part (421) is in anti-falling fit with the stop convex ring (241).

6. A bottom-cover-free carton as claimed in claim 3, wherein: the locking sleeve is characterized in that a locking groove (22) communicated with the sliding cavity (21) is formed in one end of the locking sleeve (2), the locking protrusion (23) is arranged at the bottom of the locking groove (22), and when the locking piece (3) is locked to the locking sleeve (2), the locking part (31) is hidden and embedded in the locking groove (22).

7. A bottom-cover-free carton as claimed in claim 3, wherein: the locking part (31) is provided with a plurality of reinforcing ribs (312), and the reinforcing ribs (312) are distributed on the end face of the locking part (31) in a cross shape.

8. A bottom-cover-free carton as claimed in claim 2, wherein: the side wall of the lock sleeve (2) is provided with a plurality of anti-slip bulges (25) at intervals.

9. A bottom-cover-free carton as claimed in claim 3, wherein: the abutting part (33) is integrally formed with a screwing block (331), and the screwing block (331) is provided with a first hanging hole (3311); the lock sleeve (2) is fixedly connected with a connecting seat (5) through a plurality of connecting ribs (51), and a second hanging hole (52) is formed in the connecting seat (5).

10. A bottom-cover-free carton as claimed in claim 3, wherein: limiting blocks (332) are arranged on two sides of the abutting part (33), a plurality of baffles (26) are arranged on the lock sleeve (2) corresponding to the limiting blocks (332), rotating gaps (26 a) for the limiting blocks (332) to rotate are reserved between the adjacent baffles (26), and the limiting blocks (332) are matched with limiting stops of the baffles (26) so that the locking piece (3) can rotate between a locking state and an unlocking state relative to the lock sleeve (2).