Push-pull type paper lock catch and carton

Abstract

The utility model relates to a push-pull type paper lock catch and carton, including first pinch plate, second pinch plate and plug board, the plug board is connected to the one end of first pinch plate, the bottom of second pinch plate is connected to the junction of first pinch plate and plug board, second pinch plate and first pinch plate are arranged in parallel. Through the locking structures on the inner side and the outer side and the buffering structure in the middle, the inner carton structure and the outer carton structure are connected more tightly, meanwhile, when the carton body is lifted, sufficient buffering strengthening supporting can be provided, the stability of the lock catch is enhanced, and the situation that the lock catch is loosened or torn is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of carton packaging, in particular to a push-pull type paper lock and a carton. Background Art

[0002] In the packaging industry, in order to facilitate the packaging of heavy products, wrap-around or half-wrapped packaging is used. Such packaging requires a lock to lock the cardboards that need to be combined together to make the packaging an integrated structure. Currently, most of the locks commonly used in the market are made of plastic materials, which are not environmentally friendly; some are made of pulp molding, which has relatively weak load-bearing capacity, and the existing paper locks are not firmly locked between the outer box and the inner tray. When lifting the outer box, the locks often loosen or tear, and the locking effect is not good. Utility Model Content

[0003] The utility model provides a push-pull type paper lock and a carton, aiming to solve the problem of poor locking effect of the existing paper lock.

[0004] The utility model provides a push-pull paper lock, comprising a first buckle plate, a second buckle plate and a plug-in plate, wherein the plug-in plate is connected to one end of the first buckle plate, the bottom of the second buckle plate is connected to the connection between the first buckle plate and the plug-in plate, and the second buckle plate is arranged parallel to the first buckle plate.

[0005] As a further improvement of the utility model, it also includes a buffer paper tube, and the buffer paper tube is bonded between the first gusset plate and the second gusset plate.

[0006] As a further improvement of the present invention, the plug board includes a first connecting plate and an insert tongue, one side of the first connecting plate is connected to one end of the first buckle plate, and the insert tongue is connected to the other side of the first connecting plate.

[0007] As a further improvement of the present invention, a second connecting plate is provided at the bottom of the second gusset plate, and the bottom of the second connecting plate is vertically connected to the connection between the first gusset plate and the plug board.

[0008] As a further improvement of the present invention, one side of the buffer paper tube is arranged close to the second connecting plate, and the height of the buffer paper tube is less than or equal to the height of the second connecting plate.

[0009] As a further improvement of the present invention, the length of the buffer paper tube is smaller than the length of the first buckle plate.

[0010] As a further improvement of the present invention, the first gusset plate, the second gusset plate and the plug-in plate are all made of corrugated cardboard material.

[0011] Another object of the utility model is to provide a carton, the carton comprising a push-pull paper lock, an outer box and an inner tray, the inner tray being placed at the inner bottom end of the outer box, the paper lock being buckled between the outer box and the inner tray, a first lock hole and a first plug hole being provided on the bottom sides of the two opposite front faces of the outer box, the first plug hole being provided above the first lock hole, and a second lock hole matching the first lock hole and a second plug hole matching the first plug hole being provided on the bottom sides of the two opposite sides of the inner tray.

[0012] As a further improvement of the present invention, the first buckle plate abuts against the outer side of the first locking hole, the second buckle plate passes through the first locking hole and the second locking hole, and is clamped on the inner side of the inner support, and the buffer paper tube is clamped between the first locking hole and the second locking hole.

[0013] As a further improvement of the present invention, the inserting tongue is inserted into the first inserting hole and the second inserting hole.

[0014] The beneficial effect of the utility model is that the inner and outer carton structures are more tightly connected through the locking structures on the inner and outer sides and the buffer structure in the middle. At the same time, sufficient buffering and reinforcing support can be provided when the box body is lifted, thereby enhancing the stability of the lock and avoiding the lock from loosening or tearing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an overall diagram of the paper lock of the utility model.

[0016] Figure 2 It is a schematic diagram of the paper lock buckle of the utility model without the buffer paper tube attached.

[0017] Figure 3 It is a schematic diagram of the paper lock buckle pasted on the buffer paper tube of the utility model.

[0018] Figure 4 It is a schematic diagram of the paper lock of the utility model when it is placed horizontally.

[0019] Figure 5 It is an expanded view of the paper lock buckle of the utility model.

[0020] Figure 6 It is a schematic diagram of the paper lock buckle of the utility model when it is obliquely inserted into the box body.

[0021] Figure 7 It is a schematic diagram of the inner support side perspective when the paper lock buckle of the utility model is obliquely inserted into the box body.

[0022] Figure 8 It is a top view of the locking structure when the paper lock buckle of the utility model is obliquely inserted into the box.

[0023] Fig. 9 It is a schematic diagram of the paper lock buckle of the utility model when it is completely locked into the box body.

[0024] Fig.10 It is a top view of the locking structure of the utility model when the paper lock buckle is located on the left side of the hole.

[0025] Fig.11 It is a top view of the locking structure of the utility model when the paper lock buckle is located on the right side of the hole.

[0026] Fig.12 It is a schematic diagram of the utility model when the paper lock tongue is bent and inserted into the box body.

[0027] Fig.13 It is a schematic diagram of the utility model after the paper lock tongue is inserted into the box body.

[0028] Fig.14 It is a schematic diagram of the inner supporting side view after the paper lock tongue of the utility model is inserted into the box body. DETAILED DESCRIPTION

[0029] Figure numerals: 1 - first buckle plate, 2 - second buckle plate, 3 - buffer paper tube, 4 - first connecting plate, 5 - insert tongue, 6 - second connecting plate, 7 - outer box, 8 - first locking hole, 9 - first plug hole, 10 - second locking hole, 11 - inner support, 12 - second plug hole.

[0030] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in conjunction with the accompanying drawings and embodiments. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0031] like Figure 1 As shown in Figure 14, the utility model provides a push-pull paper lock, including a first buckle plate 1, a second buckle plate 2 and a plug-in plate, the plug-in plate is connected to one end of the first buckle plate 1, the bottom of the second buckle plate 2 is connected to the connection between the first buckle plate 1 and the plug-in plate, and the second buckle plate 2 is arranged parallel to the first buckle plate 1.

[0032] As an embodiment of the utility model, it also includes a buffer paper tube 3, and the buffer paper tube 3 is bonded between the first gusset plate 1 and the second gusset plate 2.

[0033] As another embodiment of the utility model, the plug board includes a first connecting plate 4 and an insert tongue 5, one side of the first connecting plate 4 is connected to one end of the first buckle plate 1, and the insert tongue 5 is connected to the other side of the first connecting plate 4.

[0034] As another embodiment of the present utility model, a second connecting plate 6 is provided at the bottom of the second gusset plate 2, and the bottom of the second connecting plate 6 is vertically connected to the connection between the first gusset plate 1 and the plug board.

[0035] As another embodiment of the present utility model, one side of the buffer paper tube 3 is arranged close to the second connecting plate 6 , and the height of the buffer paper tube 3 is less than or equal to the height of the second connecting plate 6 .

[0036] As another embodiment of the present utility model, the length of the buffer paper tube 3 is smaller than the length of the first gusset plate 1 .

[0037] As another embodiment of the present utility model, the first gusset plate 1, the second gusset plate 2 and the plug-in plate are all made of corrugated cardboard material.

[0038] The utility model also provides a carton, which includes a push-pull paper lock, an outer box 7 and an inner tray 11, wherein the inner tray 11 is placed at the inner bottom end of the outer box 7, and the paper lock is buckled between the outer box 7 and the inner tray 11. The bottom sides of the two opposite front faces of the outer box 7 are provided with a first lock hole 8 and a first plug hole 9, wherein the first plug hole 9 is arranged above the first lock hole 8, and the bottom sides of the two opposite sides of the inner tray 11 are provided with a second lock hole 10 matched with the first lock hole 8 and a second plug hole 12 matched with the first plug hole 9.

[0039] As another embodiment of the present utility model, the first buckle plate 1 abuts against the outer side of the first locking hole 8, the second buckle plate 2 passes through the first locking hole 8 and the second locking hole 10, and is clamped on the inner side of the inner support 11, and the buffer paper tube 3 is clamped between the first locking hole 8 and the second locking hole 10.

[0040] As another embodiment of the present invention, the inserting tongue 5 is inserted into the first inserting hole 9 and the second inserting hole 12 .

[0041] The paper lock provided by the utility model is made of folded and combined corrugated cardboard, the second buckle plate 2 is the internal interference plate of the paper lock, and together with the first buckle plate 1 forms the inner and outer interference reinforcement plates of the paper lock to prevent falling off, and the number of layers can also be adjusted as needed; the buffer paper tube 3 has adhesive on both sides, and is bonded with the first buckle plate 1 and the second buckle plate 2 to form a paper lock, and the buffer paper tube 3 can also adjust its direction according to the load conditions.

[0042] After the paper lock is inserted into the box, the second buckle plate 2 is stuck on the inner side of the inner support 11, the first buckle plate 1 is stuck on the outer side of the outer box 7, and the buffer paper tube 3 is stuck in the gap between the first buckle hole 8 and the second buckle hole 10. Since the buffer paper tube 3 is connected to the first buckle plate 1 and the second buckle plate 2 by gluing, the first buckle plate 1 and the second buckle plate 2 form a lock on both sides of the box. When the outer box 7 is lifted, the side of the buffer paper tube 3 plays a supporting role and supports the weight of the outer box 7 and the inner support 11 at the same time. The corrugated cardboard surface balances and distributes the strength of the paper tube wall to form a surface support to prevent the paper tube wall from being damaged due to local force on the carton. The length, width and thickness of the buffer paper tube 3 can be adjusted according to the strength requirements. The height of the buffer paper tube 3 is less than or equal to the height of the second connecting plate 6, so that the second buckle plate 2 will not interfere when folded in the direction of the first buckle plate 1. At the same time, the length of the buffer paper tube 3 is less than the length of the first buckle plate 1 to avoid being unable to lock into the box due to excessive length.

[0043] Inserting the inserting tongue 5 into the first inserting hole 9 and the second inserting hole 12 adds another locking effect, fixes the position of the lock buckle to prevent movement, and fixes the lock buckle on the outer box 7 to prevent it from falling off. The inserting tongue 5 can also guide the placement personnel to move the lock buckle to the right position, playing a fool-proof role.

[0044] When packaging, the inner tray 11 is placed at the bottom of the outer box 7, at which time the first locking hole 8 and the second locking hole 10 are located on the same horizontal line, and the first insertion hole 9 and the second insertion hole 12 are located on the same horizontal line. Figure 6 -8, the paper lock is tilted at a certain angle, the left side of the first buckle plate 1 is close to the outer box 7, and the left side of the second buckle plate 2 is inserted from the first lock hole 8 until the buffer paper tube 3 reaches the left side of the hole. At this time, the right side of the second buckle plate 2 is also in the hole, as shown in FIG. Fig.10 Push the paper lock buckle completely into the hole, and then the second buckle plate 2 completely enters the inner side of the inner support 11, and then pushes to the right until the right side of the buffer paper tube 3 is attached to the right side of the hole, as shown. Fig.11 As shown, the first gusset plate 1 and the second gusset plate 2 lock the outer box 7 and the inner support 11, and rotate the insert tongue 5 to press down the line to form an angle, as shown in FIG. Fig.12 As shown, the tongue 5 is inserted into the first plug hole 9 and the second plug hole 12. Fig.13 As shown in FIG. 14 , the paper lock has locked the outer box 7 and the inner support 11 . A finger boss is provided at the connection between the inserting tongue 5 and the first connecting plate 4 to facilitate buckling out the inserting tongue 5 when removing the lock.

[0045] The steps of opening the paper lock buckle and assembling the paper lock buckle are opposite. The inserting tongue 5 is buckled out from the finger boss, and it is laid flat on the outside of the outer box 7. The paper lock buckle is pushed to the left side of the hole, and the paper lock buckle is picked up from the right side at an angle.

[0046] This solution uses corrugated cardboard and paper tube materials, which are green and environmentally friendly; the production method is white latex, which is also an environmentally friendly material. According to the load-bearing requirements and the thickness of the outer box 7, the size, material and thickness of the lock support connector can be adjusted to match it. The paper lock can clamp the two layers of cardboard of the outer box 7 and the inner support 11 as needed to prevent the outer box 7 from bulging and the lock from breaking free. The production process of the paper lock is relatively simple and can be completed by pasting two parts. The thickness dimension of the paper lock that needs to be avoided in the lining can be relatively small, and it is also suitable for buffering smaller packaging structures. This paper lock can cover the hole on the package and also have a dust-proof effect. The assembly and opening actions are not complicated, and the tongue 5 of the lock can also prevent inadequate assembly.

[0047] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A push-pull paper lock, characterized in that: It includes a first buckle plate, a second buckle plate and a plug-in plate, wherein the plug-in plate is connected to one end of the first buckle plate, the bottom of the second buckle plate is connected to the connection between the first buckle plate and the plug-in plate, the second buckle plate is arranged parallel to the first buckle plate, and also includes a buffer paper tube, which is bonded between the first buckle plate and the second buckle plate.

2. A push-pull paper lock according to claim 1, characterized in that: The plug board includes a first connecting plate and an insert tongue, one side of the first connecting plate is connected to one end of the first buckle plate, and the insert tongue is connected to the other side of the first connecting plate.

3. A push-pull paper lock according to claim 1, characterized in that: A second connecting plate is provided at the bottom of the second gusset plate, and the bottom of the second connecting plate is vertically connected to the connection between the first gusset plate and the plug-in board.

4. A push-pull paper lock according to claim 3, characterized in that: One side of the buffer paper tube is arranged close to the second connecting plate, and the height of the buffer paper tube is less than or equal to the height of the second connecting plate.

5. A push-pull paper lock according to claim 1, characterized in that: The length of the buffer paper tube is smaller than the length of the first gusset plate.

6. A push-pull paper lock according to claim 1, characterized in that: The first gusset plate, the second gusset plate and the plug-in plate are all made of corrugated cardboard.

7. A carton, characterized in that: The carton includes the push-pull paper lock, outer box and inner tray as described in any one of claims 1 to 6, the inner tray is placed at the inner bottom end of the outer box, the paper lock is buckled between the outer box and the inner tray, the bottom sides of the two opposite front faces of the outer box are provided with a first lock hole and a first plug hole, the first plug hole is arranged above the first lock hole, and the bottom sides of the two opposite sides of the inner tray are provided with a second lock hole matched with the first lock hole and a second plug hole matched with the first plug hole.

8. A carton according to claim 7, characterized in that: The first buckle plate abuts against the outer side of the first locking hole, the second buckle plate passes through the first locking hole and the second locking hole, and is clamped on the inner side of the inner support, and the buffer paper tube is clamped between the first locking hole and the second locking hole.

9. A carton according to claim 7, characterized in that: The inserting tongue is inserted into the first inserting hole and the second inserting hole.

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