Handle buckle and packaging box

Abstract

The invention provides a handle buckle and a packaging box. The handle buckle comprises a handle cover and a locking structure. The handle cover comprises a main body part and an inserting part which are perpendicular to each other, the main body part is provided with a handle hole, the inserting part is arranged around the handle hole and comprises a first section, a second section, a third section and a fourth section which are sequentially connected in the circumferential direction of the handle hole, and the first section and the third section are arranged in the height direction of the handle buckle. The locking structure comprises a first part and a second part which are rotationally connected with the handle cover, at least part of the first part and the main body part located above the first section are oppositely arranged and located on the two sides of the inserting part respectively, and at least part of the second part and the main body part located below the second section are oppositely arranged and located on the two sides of the inserting part respectively. And when the first part and the second part are clamped and matched, a clamping space can be formed with the main body part. When the first part and the second part are unmatched, the first part and the second part can be folded by a preset angle in the direction close to the handle hole relative to the main body part.

Description

Technical Field

[0001] The invention relates to the technical field of product packaging, in particular to a handle buckle and a packaging box. Background Art

[0002] Traditional packaging for large-sized products generally uses a carton with a base and a lid, which needs to be attached together with a box buckle. In addition, since the product is heavy, in order to facilitate the transportation of the carton, a handle buckle is generally required. However, two sets of molds need to be made for the box buckle and the handle buckle, and they need to be installed twice, which increases the material cost and labor installation cost. Summary of the invention

[0003] The purpose of the embodiment of the present invention is to provide a handle buckle and a packaging box, which has the functions of a box buckle and a handle, and only needs to open a set of molds and install once, which can reduce material costs and labor installation costs. The specific technical solution is as follows:

[0004] The first aspect of the present application provides a handle buckle for locking a packaging box, comprising: a handle cover, comprising a main body and an inserting portion, the main body being provided with a handle hole, the inserting portion being perpendicular to the main body, the inserting portion being arranged around the handle hole, and along the circumference of the handle hole, the inserting portion comprising a first section, a second section, a third section and a fourth section connected in sequence, the first section and the third section being arranged up and down along the height direction of the handle buckle; a locking structure comprising a first part and a second part being arranged up and down along the height direction and snap-fitted, at least a part of the first part and the main body located above the first section The second part is arranged opposite to and respectively located on both sides of the plug-in part, at least the main body located below the second section is arranged opposite to and respectively located on both sides of the plug-in part, and the first part and the second part are rotatably connected to the handle cover respectively; when the first part and the second part are snap-fitted, the first part and the second part can form a clamping space with the main body to lock the packaging box; when the first part and the second part are released from fitting, the first part and the second part can be folded at a preset angle relative to the main body in a direction close to the handle hole to unlock the packaging box.

[0005] In some embodiments, the first part includes a first clamping plate, the first clamping plate and the main body located above the first section are arranged opposite to each other and are respectively located on both sides of the plug-in portion, and the first clamping plate is rotatably connected to a side of the first section away from the handle hole, so that the first clamping plate can be folded relative to the main body toward the handle hole at a preset angle; the second part includes a second clamping plate, the second clamping plate and the main body located below the second section are arranged opposite to each other and are respectively located on both sides of the plug-in portion, and the second clamping plate is rotatably connected to a side of the third section away from the handle hole, so that the second clamping plate can be folded relative to the main body toward the handle hole at a preset angle.

[0006] In some embodiments, the first part includes a first clamping plate and a first plug-in plate, the first clamping plate and the first plug-in plate are perpendicular and connected to each other, the first plug-in plate is located on the side of the first section far from the axis hole and at least partially overlaps with the first section, and the first plug-in plate is rotatably connected to the main body or the first section on the side close to the handle hole; the second part includes a second clamping plate and a second plug-in plate, the second clamping plate and the second plug-in plate are perpendicular and connected to each other, the second plug-in plate is located on the side of the third section close to the axis hole and at least partially overlaps with the second section, and the second plug-in plate is rotatably connected to the main body or the first section on the side close to the handle hole.

[0007] In some embodiments, the first plug board includes a first thickness zone and a second thickness zone, the thickness of the second thickness zone is less than the thickness of the first thickness zone, and the second thickness zone is connected to the side of the main body or the first section close to the handle hole, so that the first part can be folded relative to the main body toward the handle hole at a preset angle; the second plug board includes a third thickness zone and a fourth thickness zone, the thickness of the fourth thickness zone is less than the thickness of the third thickness zone, and the fourth thickness zone is connected to the side of the main body or the third section close to the handle hole, so that the second part can be folded relative to the main body toward the handle hole at a preset angle.

[0008] In some embodiments, the locking structure includes a limiting portion and a limiting matching portion, and the limiting portion is snap-fitted with the limiting matching portion; the limiting portion is connected to the first portion, and at least partially arranged along a direction parallel to the axial direction of the handle hole, and extends into the space enclosed by the plug-in portion; the limiting matching portion is connected to the second portion, and at least partially arranged along a direction perpendicular to the axial direction of the handle hole, and is located in the space enclosed by the plug-in portion.

[0009] In some embodiments, two pairs of the limiting portions and the limiting matching portions are provided, and are respectively located on one side of the first portion and the second portion close to the third section and the fourth section.

[0010] In some embodiments, the handle hole has a major axis and a minor axis, the first section and the third section are parallel to the direction of the major axis, and the limiting portion and the limiting matching portion are located at both ends of the first part and the second part parallel to the direction of the major axis.

[0011] In some embodiments, the limiting portion is a hook, and the limiting matching portion is a blocking piece.

[0012] In some embodiments, the handle cover and the locking structure are integrally formed.

[0013] In some embodiments, the handle cover includes two first limit plates, which are parallel to the main body and block at least part of the space surrounded by the second section and the fourth section from the opposite side of the main body; the second part includes two second limit plates, which are parallel to and opposite to the first limit plates, and the second limit plates are retracted inward by a predetermined distance relative to the second clamping plate, and the predetermined distance is equal to the thickness of the first limit plate, so that when the first part and the second part are snap-fitted, the first limit plate abuts against the second limit plate.

[0014] A second aspect of the present application provides a packing box, comprising a mounting hole provided through the packing box in a thickness direction thereof and the handle buckle described above, wherein the handle buckle is installed in the mounting hole.

[0015] Beneficial effects of the embodiments of the present invention:

[0016] The handle buckle and packaging box provided in the embodiment of the present invention include a handle cover and a locking structure, wherein the handle hole of the handle cover can be inserted with a hand, so that the carrier can buckle the handle cover to move the packaging box. The plug-in portion of the handle cover is used to insert into the installation hole of the packaging box. When the first part and the second part are engaged, the main body and the first part, as well as the main body and the second part, are mutually clamped from both sides of the packaging box to play the role of locking the packaging box; when the first part and the second part are released from engagement, the first part and the second part are respectively folded relative to the main body in a direction close to the handle hole at a preset angle, so as to release the lock of the packaging box. The handle buckle in this embodiment has the functions of both the box buckle and the handle. Compared with the traditional box buckle and handle buckle, only one set of molds needs to be opened, and it only needs to be installed once on the packaging box, which not only saves material costs, but also saves labor installation costs.

[0017] Of course, it is not necessary to achieve all of the advantages described above at the same time to implement any product or method of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For ordinary technicians in this field, other embodiments can also be obtained based on these drawings.

[0019] Figure 1 A schematic diagram of the structure of the handle buckle provided in an embodiment of the present application after installation at a viewing angle;

[0020] Figure 2 A schematic diagram of the structure of the handle buckle provided in an embodiment of the present application after installation from another viewing angle;

[0021] Figure 3 A schematic diagram of the structure of the handle cover provided in an embodiment of the present application;

[0022] Figure 4 A schematic diagram of the structure of the locking structure provided in an embodiment of the present application;

[0023] Figure 5 for Figure 4 Exploded view of the locking structure;

[0024] Figure 6 A schematic diagram of the structure of the handle buckle provided in an embodiment of the present application before installation;

[0025] Figure 7 A schematic diagram of the structure of a packaging box provided in an embodiment of the present application.

[0026] The reference numerals are as follows:

[0027] Handle cover 1; main body 11; handle hole 111; plug-in part 12; first section 121; second section 122; third section 123; fourth section 124; first limiting plate 13; locking structure 2; first part 21; first clamping plate 211; first plug-in plate 212; first thickness area 2121; second thickness area 2122; second part 22; second clamping plate 221; second plug-in plate 222; third thickness area 2221; fourth thickness area 2222; second limiting plate 223; limiting part 23; limiting matching part 24; packaging box 3; bottom bracket 31; upper cover 32; mounting hole 33. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field based on this application belong to the scope of protection of the present invention.

[0029] Large-sized products generally need to be packaged before transportation, and the packaging box 3 used for the product generally includes a base 31 and an upper cover 32. In order to provide better protection, the base 31 and the upper cover 32 need to be fixed together, for example, by box buckles. However, since large-sized products are generally heavy or bulky, they are not easy to carry. In order to facilitate transportation, a handle buckle is also provided, so that the packaging box 3 can be carried by hand by buckling the handle buckle. However, traditional box buckles and handle buckles generally have only one function, and both box buckles and handle buckles need to be provided to meet the requirements of both fixing the packaging box 3 and facilitating the transportation of the packaging box 3, which not only increases the material cost, but also increases the labor installation cost.

[0030] To this end, the first aspect of the present application provides a handle buckle for locking the packaging box 3, such as Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the handle buckle comprises: a handle cover 1 and a locking structure 2. The handle cover 1 comprises a main body 11 and an inserting portion 12. The main body 11 is provided with a handle hole 111. The inserting portion 12 and the main body 11 are perpendicular to each other. The inserting portion 12 is arranged around the handle hole 111. Along the circumference of the handle hole 111, the inserting portion 12 comprises a first section 121, a second section 122, a third section 123 and a fourth section 124 connected in sequence. The first section 121 and the third section 123 are arranged up and down along the height direction of the handle buckle. Figure 3As shown by the dotted line, the plug-in portion 12 is divided into four sections. The locking structure 2 includes a first portion 21 and a second portion 22 which are arranged vertically and snap-fitted in the height direction. At least a portion of the first portion 21 is arranged opposite to the main body 11 located above the first section 121 and is respectively located on both sides of the plug-in portion 12, that is, the first portion 21 and the main body 11 are respectively located on both sides of the plug-in portion 12, and at least a portion of the second portion 22 is arranged opposite to the main body 11 located below the second section 122 and is respectively located on both sides of the plug-in portion 12, that is, the second portion 22 and the main body 11 are respectively located on both sides of the plug-in portion 12, and the first portion 21 and the second portion 22 are respectively rotatably connected to the handle cover 1. When the first portion 21 and the second portion 22 are snap-fitted, the first portion 21 and the second portion 22 can form a clamping space with the main body 11 to lock the packaging box 3. When the first part 21 and the second part 22 are released from engagement, the first part 21 and the second part 22 can be folded at a preset angle relative to the main body 11 toward the handle hole 111 to unlock the packaging box 3 .

[0031] In this embodiment, the handle hole 111 can be inserted with a hand, so that the carrier can hold the handle cover 1 to move the packaging box 3. The plug-in portion 12 of the handle cover 1 is used to be inserted into the installation hole 33 of the packaging box 3. When the first portion 21 and the second portion 22 are engaged, the main body 11 and the first portion 21 as well as the main body 11 and the second portion 22 are clamped on both sides of the packaging box 3 to lock the packaging box 3; when the first portion 21 and the second portion 22 are released from engagement, the first portion 21 and the second portion 22 are respectively folded relative to the main body 11 in a direction close to the handle hole 111 by a preset angle, so that the packaging box 3 can be released. Figure 7 As shown, the packing box 3 includes a bottom bracket 31 and an upper cover 32, and the bottom bracket 31 and the upper cover 32 are respectively provided with mounting holes 33 for mounting a handle buckle, and the plug-in portion 12 is located in the mounting hole 33, and the main body 11 is located on one side of the packing box 3, for example, on one side of the bottom bracket 31, and at least part of the first part 21 and the second part 22, that is, the part that plays a clamping role, is located on the other side of the packing box 3, for example, on one side of the upper cover 32. When the first part 21 and the second part 22 are engaged, the first part 21 and the second part 22 cannot move relative to the main body 11, but clamp the packing box 3 in the middle with the main body 11, playing the role of a box buckle. The handle hole 111 of the main body 11 and the plug-in portion 12 arranged around the handle hole 111 can be inserted into the hand to play the role of a handle. Therefore, the handle buckle in this embodiment has the functions of both box buckle and handle. Compared with traditional box buckles and handle buckles, only one set of molds is needed, and it only needs to be installed once on the packaging box 3, which not only saves material costs, but also saves labor installation costs.

[0032] It should be noted that the plug-in portion 12 includes the first section 121, the second section 122, the third section 123 and the fourth section 124 connected in sequence, which does not limit the formation method of the plug-in portion 12. In other words, the plug-in portion 12 can be an integrally formed structure or a multi-section spliced ​​structure. The above-mentioned segmentation is only a division at the artificial level, which is used to illustrate the setting position of the first part 21 and the second part 22.

[0033] In some embodiments of the present application, reference Figure 3 , Figure 4 and Figure 5 The first part 21 includes a first clamping plate 211, which is arranged opposite to the main body 11 located above the first section 121 and is respectively located on both sides of the plug-in portion 12. The first clamping plate 211 is rotatably connected to the side of the first section 121 away from the handle hole 111, so that the first clamping plate 211 can be folded relative to the main body 11 toward the direction close to the handle hole 111 at a preset angle. The second part 22 includes a second clamping plate 221, which is arranged opposite to the main body 11 located below the second section 122 and is respectively located on both sides of the plug-in portion 12. The second clamping plate 221 is rotatably connected to the side of the third section 123 away from the handle hole 111, so that the second clamping plate 221 can be folded relative to the main body 11 toward the direction close to the handle hole 111 at a preset angle.

[0034] In this embodiment, the first part 21 only includes the first clamping plate 211, which is rotatably connected to the first section 121, and the second part 22 only includes the second clamping plate 221, which is rotatably connected to the third section 123. When the first part 21 and the second part 22 are released from engagement, that is, when the first clamping plate 211 and the second clamping plate 221 are released from engagement, the first clamping plate 211 can be folded toward the handle hole 111, and the second clamping plate 221 can be folded toward the handle hole 111. The first clamping plate 211 and the second clamping plate 221 are located in the space surrounded by the plug-in portion 12 through the folding movement, thereby releasing the constraint on one side of the packaging box 3, for example, releasing the constraint on one side of the upper cover 32, thereby opening the packaging box 3. When the first part 21 and the second part 22 are snap-fitted, that is, when the first clamping plate 211 and the second clamping plate 221 are snap-fitted, the folding movement of the first clamping plate 211 and the second clamping plate 221 is restricted, and the first clamping plate 211 and the second clamping plate 221 together with the main body 11 clamp the packaging box 3, thereby locking the packaging box 3 and preventing it from being opened.

[0035] As a possible approach, refer to Figure 4 , Figure 5The first clamping plate 211 is thinned near the connection position and is connected to the first section 121. The second clamping plate 221 is thinned near the connection position and is connected to the third section 123. The flexibility of the thinned area allows the first clamping plate 211 and the second clamping plate 221 to be folded relative to the main body 11.

[0036] Of course, the rotatable connection between the first clamping plate 211 and the first section 121 can also be achieved by hinges or the like, and the rotatable connection between the second clamping plate 221 and the third section 123 can also be achieved by hinges or the like.

[0037] In other embodiments of the present application, reference Figure 2 , Figure 3 , Figure 4 and Figure 5 The first part 21 includes a first clamping plate 211 and a first plugging plate 212. The first clamping plate 211 and the first plugging plate 212 are perpendicular to each other and connected. The first plugging plate 212 is located on the side of the first section 121 far from the shaft hole and at least partially overlaps with the first section 121. The first plugging plate 212 is rotatably connected to the side of the main body 11 or the first section 121 near the handle hole 111. The second part 22 includes a second clamping plate 221 and a second plugging plate 222. The second clamping plate 221 and the second plugging plate 222 are perpendicular to each other and connected. The second plugging plate 222 is located on the side of the third section 123 near the shaft hole and at least partially overlaps with the second section 122. The second plugging plate 222 is rotatably connected to the side of the main body 11 or the first section 121 near the handle hole 111.

[0038] In this embodiment, the first part 21 includes not only the first clamping plate 211 but also the first plug-in plate 212. Figure 2 In the direction shown, the first plug-in board 212 is located below the first section 121 and at least partially overlaps with the first section 121, that is, the first plug-in board 212 can completely overlap with the first section 121, or can partially overlap, and partial overlap means that the first plug-in board 212 only covers a portion of the first section 121. The first part 21 also includes the first plug-in board 212 overlapping with the first section 121, which can improve the load-bearing capacity of the handle buckle.

[0039] The first plug board 212 is rotatably connected to the main body 11 , or is rotatably connected to a side of the first section 121 close to the handle hole 111 , which is beneficial to increase the overlapping area of ​​the first plug board 212 and the first section 121 , thereby improving the load-bearing capacity of the handle hole 111 .

[0040] The second part 22 includes not only a second clamping plate 221 but also a second plug-in plate 222. Figure 2In the direction shown, the second plug-in board 222 is located above the third section 123 and at least partially overlaps with the third section 123, that is, the second plug-in board 222 can completely overlap with the third section 123, or can partially overlap, and partial overlap means that the second plug-in board 222 only covers a portion of the third section 123. The second part 22 also includes the second plug-in board 222 overlapping with the third section 123, which can improve the load-bearing capacity of the handle buckle.

[0041] The second plug board 222 is rotatably connected to the main body 11 , or is rotatably connected to a side of the third section 123 close to the handle hole 111 , which is beneficial to increase the overlapping area of ​​the second plug board 222 and the third section 123 , thereby improving the load-bearing capacity of the handle hole 111 .

[0042] As a feasible implementation method, refer to Figure 4 and Figure 5 The first plug-in board 212 includes a first thickness area 2121 and a second thickness area 2122, the thickness of the second thickness area 2122 is less than the thickness of the first thickness area 2121, and the second thickness area 2122 is connected to the side of the main body 11 or the first section 121 close to the handle hole 111, so that the first part 21 can be folded relative to the main body 11 toward the direction close to the handle hole 111 at a preset angle. The second plug-in board 222 includes a third thickness area 2221 and a fourth thickness area 2222, the thickness of the fourth thickness area 2222 is less than the thickness of the third thickness area 2221, and the fourth thickness area 2222 is connected to the side of the main body 11 or the third section 123 close to the handle hole 111, so that the second part 22 can be folded relative to the main body 11 toward the direction close to the handle hole 111 at a preset angle.

[0043] The thickness of the connection position of the first plug board 212 and the main body 11 or the first section 121 is set to the second thickness zone 2122 with a smaller thickness, and the thickness of the connection position of the second plug board 222 and the main body 11 or the third section 123 is set to the fourth thickness zone 2222 with a smaller thickness. By utilizing the properties of the second thickness zone 2122 and the fourth thickness zone 2222 with a smaller thickness and better flexibility, the first part 21 and the second part 22 can be folded relative to the main body 11, so that the first part 21 and the second part 22 can be located in the space surrounded by the plug-in part 12 in the release state by folding, and no longer constrain one side of the packaging box 3. The second thickness zone 2122 with a smaller thickness is connected to the side of the main body 11 or the first section 121 close to the handle hole 111, and the fourth thickness zone 2222 with a smaller thickness is connected to the side of the main body 11 or the third section 123 close to the handle hole 111, and the structure is simple.

[0044] Of course, the connection between the first plug board 212 and the side of the main body 11 or the first section 121 close to the handle hole 111 can also be achieved by hinges, and the connection between the second plug board 222 and the side of the main body 11 or the second section 122 close to the handle hole 111 can also be achieved by hinges.

[0045] In some embodiments of the present application, reference Figure 4 and Figure 5 The locking structure 2 includes a limiting portion 23 and a limiting matching portion 24, and the limiting portion 23 is engaged with the limiting matching portion 24. The limiting portion 23 is connected to the first portion 21, and at least part of it is arranged in a direction parallel to the axial direction of the handle hole 111, and extends into the space surrounded by the plug-in portion 12. The limiting matching portion 24 is connected to the second portion 22, and at least part of it is arranged in a direction perpendicular to the axial direction of the handle hole 111, and is located in the space surrounded by the plug-in portion 12.

[0046] The limiting portion 23 is parallel to the axial direction of the handle hole 111 and extends into the space surrounded by the plug-in portion 12. The limiting matching portion 24 is perpendicular to the axial direction of the handle hole 111 and is located in the space surrounded by the plug-in portion 12. The limiting portion 23 and the limiting matching portion 24 are engaged and matched in the space surrounded by the plug-in portion 12. In this way, since the limiting portion 23 and the limiting matching portion 24 are not directly connected to the packaging box 3, after applying a force, the limiting portion 23 or the limiting matching portion 24 is easily deformed, which facilitates unlocking the cooperation between the two and opening the packaging box 3.

[0047] Furthermore, the limiting portion 23 and the limiting matching portion 24 are arranged on the handle buckle and do not need to be installed in the packaging box 3. Therefore, the installation can be performed after the product is loaded, so that the handle buckle can also function as a box buckle.

[0048] In some embodiments of the present application, reference Figure 1 , Figure 4 and Figure 5 There are two pairs of limiting portions 23 and limiting matching portions 24, which are respectively located on one side of the first part 21 and the second part 22 close to the third section 123 and the fourth section 124.

[0049] In this embodiment, two pairs of limiting portions 23 and limiting matching portions 24 are provided, which are respectively located at the two ends of the first portion 21 and the second portion 22, that is, respectively located at one side of the first portion 21 and the second portion 22 close to the third section 123 and the fourth section 124. In this way, the middle position will not be occupied, and space for the handle can be reserved, which is convenient for carrying the packaging box 3.

[0050] In some embodiments of the present application, reference Figure 1The handle hole 111 has a long axis and a short axis, the first section 121 and the third section 123 are parallel to the direction of the long axis, and the limiting portion 23 and the limiting matching portion 24 are located at both ends of the first part 21 and the second part 22 parallel to the direction of the long axis.

[0051] The handle hole 111 is oval or oblate, and the first section 121 and the third section 123 are parallel to the direction of the long axis, which can not only increase the clamping area between the locking structure 2 and the handle cover 1, increase the locking effect on the packaging box 3, but also increase the hand grip area and improve the grip experience. The limiting portion 23 and the limiting matching portion 24 are arranged at both ends parallel to the direction of the long axis, which can reserve more space for the handle.

[0052] Optionally, refer to Figure 1 , Figure 4 and Figure 5 The limiting portion 23 is a hook, and the limiting matching portion 24 is a blocking piece. Figure 1 The position-limiting portion 23 is a hook extending into the space surrounded by the plug-in portion 12, and the position-limiting matching portion 24 is a baffle vertically arranged in the space surrounded by the plug-in portion 12. The baffle is slightly deformed and placed in the hook, so that the two can be matched to lock the packaging box 3. The baffle can be pulled away from the hook to slightly deform it again, so that the packaging box 3 can be unlocked.

[0053] It should be noted that the structure of the position-limiting portion 23 and the position-limiting matching portion 24 is not limited to the matching of a hook and a blocking piece, but may also be the matching of a hook and a hook, or the matching of a hook and a slot.

[0054] In some embodiments of the present application, the handle cover 1 and the locking structure 2 are integrally formed.

[0055] The handle cover 1 and the locking structure 2 are integrally formed, which can improve the connection stability between the first plug board 212 and the main body 11 or the first section 121 near the handle hole 111 and the connection stability between the second plug board 222 and the main body 11 or the third section 123 near the handle hole 111, thereby extending the service life of the handle cover 1.

[0056] The first clamping plate 211 and the second clamping plate 221 of the locking structure 2 of the handle buckle are used to lock the packaging box 3 together with the main body 11. After installation, the first clamping plate 211 and the second clamping plate 221 are nearly perpendicular to the axial direction of the handle hole 111. When the handle buckle is installed, Figure 6The figure shows a schematic diagram before the handle buckle is installed. First, the first part 21 of the locking structure 2 is flipped 90 degrees, and then the second part 22 of the locking structure 2 is also flipped 90 degrees, so that the first clamping plate 211 and the second clamping plate 221 of the locking structure 2 are nearly parallel to the axial direction of the handle hole 111, and the first plug-in portion 12 and the second plug-in portion 12 are nearly perpendicular to the axial direction of the handle hole 111, so that the first part 21 and the second part 22 can be inserted into the installation hole 33 of the packaging box 3 to achieve the installation of the handle buckle. Then, the first part 21 and the second part 22 are flipped 90 degrees in the opposite direction, so that the first clamping plate 211 and the second clamping plate 221 extend from the other side of the packaging box 3 and are respectively perpendicular to the axial direction of the handle hole 111, and the installation of the handle buckle is completed. After the installation is completed, the handle buckle is clamped and combined with the base 31 and the upper cover 32.

[0057] In some embodiments of the present application, the handle cover 1 includes two first limit plates 13, the first limit plates 13 are parallel to the main body 11, and block at least part of the space surrounded by the second section 122 and the fourth section 124 from the opposite side of the main body 11; the second part 22 includes two second limit plates 223, the second limit plates 223 are parallel to and opposite to the first limit plates 13, and the second limit plates 223 are retracted relative to the second clamping plate 221 by a predetermined distance, and the predetermined distance is equal to the thickness of the first limit plate 13, so that when the first part 21 and the second part 22 are snap-fitted, the first limit plate 13 and the second limit plate 223 are abutted and fitted.

[0058] In this embodiment, reference Figure 1 , Figure 3 , Figure 4 and Figure 5 The first limiting plate 13 is located on the side of the plug-in portion 12 opposite to the main body 11, and blocks at least part of the space surrounded by the second section 122 and the fourth section 124 of the plug-in portion 12, that is, it surrounds part or all of the space surrounded by the second section 122 and the fourth section 124. That is to say, the first limiting plate 13 is arranged on the opposite side of the main body 11 corresponding to the two ends of the long axis direction of the handle hole 111. The second limiting plate 223 is arranged in parallel with the first limiting plate 13, and the second limiting plate 223 is retracted relative to the second clamping plate 221 by a distance of the thickness of the first limiting plate 13. When the first part 21 and the second part 22 are engaged, the first limiting plate 13 and the second limiting plate 223 can abut against each other, and the first limiting plate 13 is further away from the handle hole 111 than the second limiting plate 223. In this way, the first limiting plate 13 can not only play the role of prompting the card attachment structure to be installed in place, but also prevent the locking structure 2 from continuing to flip outward in the opposite direction, thereby improving the locking effect of the handle buckle.

[0059] In addition, by arranging the first limiting plates 13 at both ends of the inserting portion 12, the first limiting plates 13 have the effect of reinforcing plates, which is beneficial to improving the supporting strength of the handle buckle.

[0060] The second aspect of the present application provides a packaging box 3, such as Figure 7 As shown, the packaging box 3 includes a mounting hole 33 which is arranged through the packaging box 3 in the thickness direction and the handle buckle mentioned above, and the handle buckle is installed in the mounting hole 33.

[0061] The packing box 3 in this embodiment includes a handle buckle, which not only has the function of locking the packing box 3, but also serves as a handle. It is simple to manufacture and easy to install, and can reduce material costs and labor installation costs.

[0062] It should be noted that, in this article, relational terms such as second and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0063] Each embodiment in this specification is described in a related manner, and the same or similar parts between the embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0064] The above description is only a preferred embodiment of the present invention and is not intended to limit the protection scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.

Claims

1. A handle buckle, used for locking a packaging box, characterized in that: include: The handle cover comprises a main body and an inserting part, wherein the main body is provided with a handle hole, the inserting part and the main body are perpendicular to each other, the inserting part is arranged around the handle hole, and along the circumference of the handle hole, the inserting part comprises a first section, a second section, a third section and a fourth section connected in sequence, and the first section and the third section are arranged up and down along the height direction of the handle buckle; The locking structure comprises a first part and a second part which are arranged up and down along the height direction and are snap-fitted, wherein at least a part of the first part is arranged opposite to the main body located above the first section and is respectively located on both sides of the plug-in portion, and at least a part of the second part is arranged opposite to the main body located below the second section and is respectively located on both sides of the plug-in portion, and the first part and the second part are respectively rotatably connected to the handle cover; When the first part and the second part are engaged with each other, the first part and the second part can form a clamping space with the main body to lock the packaging box; When the first part and the second part are released from engagement, the first part and the second part can be folded at a preset angle relative to the main body toward the handle hole to unlock the packaging box.

2. The handle buckle according to claim 1, characterized in that: The first part includes a first clamping plate, which is arranged opposite to the main body above the first section and respectively located on both sides of the plug-in portion, and the first clamping plate is rotatably connected to a side of the first section away from the handle hole, so that the first clamping plate can be folded at a preset angle relative to the main body toward a direction close to the handle hole; The second part includes a second clamping plate, which is arranged opposite to the main body below the second section and respectively located on both sides of the plug-in portion. The second clamping plate is rotatably connected to a side of the third section away from the handle hole so that the second clamping plate can be folded at a preset angle relative to the main body toward the direction close to the handle hole.

3. The handle buckle according to claim 1, characterized in that: The first part includes a first clamping plate and a first plugging plate, the first clamping plate and the first plugging plate are perpendicular to each other and connected, the first plugging plate is located on a side of the first section far from the shaft hole and at least partially overlaps with the first section, and the first plugging plate is rotatably connected to the main body or the first section on a side close to the handle hole; The second part includes a second clamping plate and a second plug-in plate, the second clamping plate and the second plug-in plate are perpendicular to and connected to each other, the second plug-in plate is located on a side of the third section close to the axial hole and at least partially overlaps with the second section, and the second plug-in plate is rotatably connected to the main body or the first section on a side close to the handle hole.

4. The handle buckle according to claim 3, characterized in that: The first plug board includes a first thickness area and a second thickness area, the thickness of the second thickness area is less than the thickness of the first thickness area, and the second thickness area is connected to the main body or the first section at a side close to the handle hole, so that the first section can be folded at a preset angle relative to the main body toward a direction close to the handle hole; The second plug-in board includes a third thickness zone and a fourth thickness zone, the thickness of the fourth thickness zone is less than that of the third thickness zone, and the fourth thickness zone is connected to the main body or the side of the third section close to the handle hole, so that the second part can be folded at a preset angle relative to the main body toward the direction close to the handle hole.

5. The handle buckle according to claim 1, characterized in that: The locking structure comprises a limiting portion and a limiting matching portion, wherein the limiting portion is engaged with the limiting matching portion; The limiting portion is connected to the first portion, and at least partly arranged in a direction parallel to the axial direction of the handle hole, and extends into the space surrounded by the plug-in portion; The position-limiting matching portion is connected to the second portion, and is at least partially arranged along a direction perpendicular to the axial direction of the handle hole, and is located in a space surrounded by the plug-in portion.

6. The handle buckle according to claim 5, characterized in that: Two pairs of the limiting portions and the limiting matching portions are provided and are respectively located on one side of the first part and the second part close to the third section and the fourth section.

7. The handle buckle according to claim 6, characterized in that: The handle hole has a major axis and a minor axis, the first section and the third section are parallel to the direction of the major axis, and the limiting portion and the limiting matching portion are located at both ends of the first part and the second part parallel to the direction of the major axis.

8. The handle buckle according to claim 5, characterized in that: The limiting portion is a hook, and the limiting matching portion is a blocking piece.

9. The handle buckle according to any one of claims 1 to 8, characterized in that: The handle cover and the locking structure are integrally formed.

10. The handle buckle according to any one of claims 1 to 8, characterized in that: The handle cover comprises two first limiting plates, wherein the first limiting plates are parallel to the main body and block at least a part of the space surrounded by the second section and the fourth section from the opposite side of the main body; The second part includes two second limit plates, which are parallel to and opposite to the first limit plates. The second limit plates are retracted inward by a predetermined distance relative to the second clamping plate, and the predetermined distance is equal to the thickness of the first limit plates, so that when the first part and the second part are snap-fitted, the first limit plates abut against the second limit plates.

11. A packaging box, characterized in that: The packaging box includes: A mounting hole is provided through the thickness direction of the packaging box; A handle buckle, the handle buckle according to any one of claims 1 to 10, installed in the installation hole.

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