CN212048692U - Two-way locking device for connecting two panels together and paper sleeve - Google Patents

Two-way locking device for connecting two panels together and paper sleeve Download PDF

Info

Publication number
CN212048692U
CN212048692U CN201922234351.XU CN201922234351U CN212048692U CN 212048692 U CN212048692 U CN 212048692U CN 201922234351 U CN201922234351 U CN 201922234351U CN 212048692 U CN212048692 U CN 212048692U
Authority
CN
China
Prior art keywords
tongue piece
concave
tongue
panel
convex
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201922234351.XU
Other languages
Chinese (zh)
Inventor
李静
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zidan Printing Co ltd
Original Assignee
Shanghai Zidan Printing Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Zidan Printing Co ltd filed Critical Shanghai Zidan Printing Co ltd
Priority to CN201922234351.XU priority Critical patent/CN212048692U/en
Application granted granted Critical
Publication of CN212048692U publication Critical patent/CN212048692U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model relates to a two-way locking device and a paper sleeve for connecting two panels together, the two-way locking device comprises two locks, a first concave tongue piece is folded out from the plane of the first panel and forms a hole on the first panel, a second concave tongue piece is folded into the hole and forms an included angle with the first concave tongue piece to form a first lock; the male tongue B is folded with the second female tongue and forms a gap with the male tongue A, and the first male tongue is inserted into the gap to be clamped by the butt-joint tongue mechanism to form a second lock catch. Compared with the prior art, the utility model discloses a firm connection between two panels, and this two-way locking device is through ingenious unsmooth tongue piece integrated design, and the structure is compacter.

Description

Two-way locking device for connecting two panels together and paper sleeve
Technical Field
The utility model belongs to the technical field of the packing and specifically relates to a two-way locking device and paper cover that link together two panels are related to.
Background
The lap joint of two panels typically employs a panel interlocking structure. A common interlocking device is formed by forming a locking tongue on one panel and a locking hole on the other panel, inserting a locking piece into the locking hole, and forming a panel interlocking structure by engaging an edge of the locking tongue with an edge of the locking hole. Such panel interlocking structures do not perform well in terms of stability.
SUMMERY OF THE UTILITY MODEL
The present invention aims to overcome the above-mentioned drawbacks of the prior art and provide a two-way locking device and a paper sleeve for connecting two panels together.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a two-way locking device for connecting two panels together, which is used for connecting a first panel and a second panel and comprises a first tongue piece combination and a second tongue piece combination which form two locks;
the first concave tongue piece combination consists of a first concave tongue piece and a first convex tongue piece, the constraint end of the first concave tongue piece is connected to the first panel in a turning way, the free end is provided with a free end which is concave and faces to the edge of the first panel, the first convex tongue piece is integrated with the first panel and is positioned at the concave part of the free end of the first concave tongue piece,
the second concave tongue piece combination consists of a second concave tongue piece and a butt-joint tongue piece mechanism, the free end of the second concave tongue piece faces to the edge of the second panel, the constraint end is provided with a constraint end which is concave and is connected to the second panel in a turnover way, and the butt-joint tongue piece mechanism consists of a convex tongue piece A which is integrated with the second panel and is positioned at the concave part of the constraint end of the second concave tongue piece and a convex tongue piece B which is formed on the second concave tongue piece and is in butt joint with the convex tongue piece A;
the first concave tongue piece is folded out from the plane of the first panel and forms a hole on the first panel, and the second concave tongue piece is folded into the hole and forms an included angle with the first concave tongue piece to form a first lock catch; the male tongue B is folded with the second female tongue and forms a gap with the male tongue A, and the first male tongue is inserted into the gap to be clamped by the butt-joint tongue mechanism to form a second lock catch.
As an embodiment of the present invention, in the first lock, the free end of the first concave tongue piece abuts against the surface of the second concave tongue piece.
As an embodiment of the present invention:
the constraint end of the first concave tongue piece is connected to the first panel in a turnover way through a first folding line, and the first concave tongue piece and the first convex tongue piece are separated by a cutting line;
the constraint end of the second female tongue piece is connected to the second panel in a reversible way by a second fold line, and the second female tongue piece, the male tongue piece A and the male tongue piece B are separated by a cutting line.
As an embodiment of the present invention:
the middle of the free end of the first concave tongue piece is provided with a free end concave part, and the first convex tongue piece is positioned in the middle of the free end concave part;
the middle of the constraint end of the second concave tongue piece is provided with a constraint end indent, the butt joint type tongue piece mechanism is positioned at the constraint end indent, and the convex tongue piece A, the convex tongue piece B and the second concave tongue piece are separated by an H-shaped cutting line.
As an embodiment of the present invention:
a free end inner recess is arranged at one end of the free end of the first concave tongue piece, and the first convex tongue piece is positioned at the inner recess of the free end;
and a constraint end indent is arranged at one end of the constraint end of the second concave tongue piece, the constraint end indent and the free end indent of the first concave tongue piece are positioned at the same end, and the convex tongue piece A, the convex tongue piece B and the second concave tongue piece are separated by a T-shaped cutting line.
As an embodiment of the present invention, the first concave tongue piece and the second concave tongue piece are both in the shape of a larger middle part and smaller free end and constrained end.
The utility model also provides a paper sleeve, include two panels that two-way locking device link together.
As an embodiment of the present invention, two panels are connected by a plurality of bidirectional locking devices distributed on the same straight line.
When in use:
the second tongue-and-groove combination is superposed above the first tongue-and-groove combination (the second panel is superposed on the first panel), and the positions of the second tongue-and-groove combination are consistent. Through top atress, (can use thimble or other analogues) with the inside (down) rush into of second concave tongue piece of second tongue piece combination, the first concave tongue piece of first tongue piece combination receives the impact force at second concave tongue piece top and sinks certain angle, first concave tongue piece and second concave tongue piece form certain angle each other (form the contained angle between the two) to constitute first hasp. During the punching process of the thimble (or the like), the second concave tongue piece is firstly folded by a larger angle, preferably the angle is larger than 80 degrees, and after the thimble is retracted, the second concave tongue piece rebounds, so that the free end of the first concave tongue piece is abutted against the surface of the second concave tongue piece.
After the first concave tongue piece is stressed and folded, the first convex tongue piece integrated with the first panel does not deform; and after the second concave tongue piece is stressed to be turned over, the convex tongue piece A integrated with the second panel is not deformed, the convex tongue piece B formed on the second concave tongue piece is turned over along with the second concave tongue piece, so that a cutting line between the convex tongue piece A and the convex tongue piece B forms a certain opening width (namely a gap is formed), the first convex tongue piece penetrates through the gap between the convex tongue piece A and the convex tongue piece B, and the butt joint type tongue piece mechanism (when the convex tongue piece A, the convex tongue piece B and the second concave tongue piece are separated by the H-shaped cutting line, the butt joint type tongue piece mechanism is in an H-shaped lock shape) firmly clamps the first convex tongue piece to form a second lock catch.
Compared with the prior art, the utility model discloses creatively through twice hasp (two-way hasp), realized the firm connection between two panels. The utility model discloses when forming first hasp, the first convex tongue piece that facilitates first panel forms the hasp of second way with the dock tongue piece mechanism of second panel. If the first lock catch fails, the second lock catch can prevent the second concave tongue piece of the second panel from bouncing, and the connection function failure of the first panel and the second panel is avoided.
The bidirectional locking device can be used for connecting the bottom surface and the surface of a one-piece package, and the connection and the firmness of the bidirectional locking device can keep good bearing performance under certain gravity without disconnection.
In addition, the bidirectional locking device is designed by combining the ingenious concave-convex tongue pieces, so that the structure is more compact.
Drawings
Fig. 1 is a schematic plan view of the two-way locking device of the present invention;
fig. 2 is a schematic view of the first concave-convex tongue piece combination of the present invention, in which the first concave tongue piece is in an upward-folded schematic state;
fig. 3 is a schematic view of a second tongue assembly according to the present invention, in which the second tongue is in a downward-folded state;
FIG. 4 is a schematic view of the second panel of the present invention stacked over the first panel;
fig. 5 is a schematic view of the top view of the two-way locking device of the present invention, in which the first concave tongue piece and the second concave tongue piece are both turned over downward;
FIG. 6 is a schematic view from the bottom of FIG. 5;
fig. 7 is a schematic view of the paper sleeve of the present invention, in which the first concave tongue piece and the second concave tongue piece are both turned over downward (i.e. turned over toward the inside of the paper sleeve).
In the figure:
i is a first panel, II is a second panel, alpha is a first lock catch, beta is a second lock catch;
11 is a first female tab, 111 is a free end female, 12 is a first male tab, 13 is a first fold line, 14 is a hole, 21 is a second female tab, 22 is a butt tab mechanism, 221 is a male tab a, 222 is a male tab B, 223 is a gap, 23 is a second fold line, 24 is an H-shaped cut line, and 25 is a T-shaped cut line.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Example 1
A two-way locking device for connecting two panels together is used for connecting a first panel I and a second panel II and comprises two locks formed by a first concave-convex tongue piece combination and a second concave-convex tongue piece combination; as shown in fig. 1 and 2, the first male-female tongue piece combination is composed of a first female tongue piece 11 and a first male tongue piece 12, the constrained end of the first female tongue piece 11 is connected to the first panel I in a reversible manner, the free end is provided with a free end indent 111 and faces the edge of the first panel I, the first male tongue piece 12 is integrated with the first panel I and is positioned at the free end indent 111 of the free end of the first female tongue piece 11; as shown in fig. 1 and 3, the second male-female tongue combination is composed of a second female tongue 21 and a butt-joint tongue mechanism 22, the free end of the second female tongue 21 faces the edge of the second panel II, the constraint end is provided with a constraint end recess and is connected to the second panel II in a reversible manner, the butt-joint tongue mechanism 22 is composed of a male tongue a221 which is integrated with the second panel II and is positioned in the constraint end recess of the second female tongue 21, and a male tongue B222 which is formed on the second female tongue 21 and is butted with the male tongue a 221;
referring to fig. 5 and 6, the first concave tongue 11 is folded out of the plane of the first panel I and forms a hole 14 on the first panel I, and the second concave tongue 21 is folded into the hole 14 and forms an angle with the first concave tongue 11 to form a first lock catch α (in this embodiment, it is preferable that in the first lock catch α, the free end of the first concave tongue 11 abuts against the surface of the second concave tongue 21); the male tongue B222 is folded back with the second female tongue 21 and forms a gap 223 with the male tongue a221, and the first male tongue 12 is inserted through the gap 223 to be clamped by the butt tongue mechanism 22, forming a second lock catch β.
More specifically, referring to fig. 1, in the preferred embodiment, the first concave tongue 11 and the second concave tongue 21 are similar in shape, the free end of the first concave tongue 11 is similar to the constrained end of the second concave tongue 21, the constrained end of the first concave tongue 11 is similar to the free end of the second concave tongue 21, and the first concave tongue 11 and the second concave tongue 21 are aligned when the second concave tongue combination and the first concave tongue combination are stacked. Since the second concave tongue 21 is folded to pass through the hole formed by the first concave tongue 11, the projection of the first concave tongue 11 should be slightly larger than the second concave tongue 21.
Preferably, in this embodiment, the constraint end of the first female tab 11 is connected to the first panel I in a reversible manner by a first fold line 13, the first female tab 11 and the first male tab 12 being separated by a cut line; the restraining end of the second female tab 21 is foldably connected to the second panel II by a second fold line 23, and the second female tab 21, the male tab a221 and the male tab B222 are separated by a cut line.
In the present embodiment, referring to fig. 1 to 7, the first tongue-and-groove combination and the second tongue-and-groove combination may be of a "full type" (see the upper group in fig. 1) or a "half type" (see the lower group in fig. 1), and the "half type" may be a portion of the "full type" (for example, a half portion along a line perpendicular to the edge of the panel).
When the first concave-convex tongue piece combination and the second concave-convex tongue piece combination are in a complete type (see an upper group in fig. 1 and corresponding parts in fig. 2-7), a free end concave 111 is arranged in the middle of the free end of the first concave tongue piece 11, and the first convex tongue piece 12 is positioned in the middle free end concave 111; the middle of the constraint end of the second female tongue 21 is provided with a constraint end indent, the butt-joint tongue mechanism 22 is located in the constraint end indent, and the male tongue a221, the male tongue B222 and the second female tongue 21 are separated by the H-shaped cutting line 24, so that the butt-joint tongue mechanism 22 is in an H-shaped lock catch shape.
When the first concave-convex tongue piece combination and the second concave-convex tongue piece combination are in a half shape (see the lower group in fig. 1 and the corresponding parts in fig. 2-6), a free end indent 111 is arranged at one end of the free end of the first concave tongue piece 11, and the first convex tongue piece 12 is positioned at the free end indent 111; the second female tongue 21 is provided at one end with a constraining end dimple at the same end as the free end dimple 111 of the first female tongue 11, the male tongue a221, the male tongue B222 and the second female tongue 21 being separated by a T-shaped cut line 25.
In this embodiment, it is preferable that each of the first and second female tongues 11 and 21 has a shape with a large middle portion and small free and constrained ends.
When in use:
the second tongue-and-groove combination is superimposed over the first tongue-and-groove combination (the second panel II is overlapped on the first panel I), as shown in fig. 4, and in the same position. The second concave tongue piece 21 of the second concave tongue piece combination is punched inwards (downwards) by the top stress (a thimble or the like can be used), the first concave tongue piece 11 of the first concave tongue piece combination sinks for a certain angle by the impact force of the top of the second concave tongue piece 21, and the first concave tongue piece 11 and the second concave tongue piece 21 form a certain angle with each other (an included angle is formed between the first concave tongue piece 11 and the second concave tongue piece 21), so that the first lock catch alpha is formed. During the punching process of the thimble (or the like), the second concave tongue piece 21 is firstly turned over by a large angle, preferably by an angle larger than 80 degrees, and after the thimble is retracted, the second concave tongue piece 21 rebounds, so that the free end of the first concave tongue piece 11 abuts against the surface of the second concave tongue piece 21.
After the first concave tongue piece 11 is stressed and folded, the first convex tongue piece 12 integrated with the first panel I does not deform; and after the second concave tongue 21 is folded under stress, the convex tongue a221 integrated with the second panel II is not deformed, the convex tongue B222 formed on the second concave tongue 21 is folded with the second concave tongue 21, so that the cutting line between the convex tongue a221 and the convex tongue B222 forms a certain opening width (i.e. a gap 223 is formed), the first convex tongue 12 passes through the gap between the convex tongue a221 and the convex tongue B222, and the butt-type tongue mechanism 22 (when the convex tongue a221, the convex tongue B222 and the second concave tongue 21 are separated by the H-shaped cutting line 24, the H-shaped latch shape is formed) firmly clamps the first convex tongue 12 to form the second latch β.
Based on the above-mentioned two-way locking device, the present embodiment further provides a paper sleeve, as shown in fig. 7, which includes two panels (a first panel I and a second panel II) connected together by the above-mentioned two-way locking device. In this embodiment, the first panel I and the second panel II may be two separate panels, or may be a portion where two connecting ends of a folded paperboard folded in a cylindrical shape are folded (see fig. 7). In this embodiment, it is preferable that the two panels are connected by a plurality of said two-way lockers distributed on the same line. The bidirectional locking device adopts a form of a complete type or a semi-complete type. The bidirectional locking device is particularly suitable for the connection of the bottom surface and the surface of a one-piece package, and the connection and the firmness of the bidirectional locking device can keep good bearing performance without disconnection under the condition of bearing certain gravity.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.

Claims (8)

1. A two-way locking device for connecting two panels together is used for connecting a first panel (I) and a second panel (II), and is characterized by comprising two locks formed by a first concave-convex tongue piece combination and a second concave-convex tongue piece combination;
the first concave-convex tongue piece combination consists of a first concave tongue piece (11) and a first convex tongue piece (12), the constraint end of the first concave tongue piece (11) is connected to the first panel (I) in a turning way, the free end is provided with a free end indent (111) and faces to the edge of the first panel (I), the first convex tongue piece (12) is integrated with the first panel (I) and is positioned at the free end indent (111) of the free end of the first concave tongue piece (11),
the second concave-convex tongue piece combination consists of a second concave tongue piece (21) and a butt-joint tongue piece mechanism (22), the free end of the second concave tongue piece (21) faces to the edge of the second panel (II), the constraint end is provided with a constraint end concave part and is connected to the second panel (II) in a turnover way, and the butt-joint tongue piece mechanism (22) consists of a convex tongue piece A (221) which is integrated with the second panel (II) and is positioned at the constraint end concave part of the second concave tongue piece (21) and a convex tongue piece B (222) which is formed on the second concave tongue piece (21) and is in butt joint with the convex tongue piece A (221);
the first concave tongue piece (11) is folded out from the plane of the first panel (I) and forms a hole (14) on the first panel (I), and the second concave tongue piece (21) is folded into the hole (14) and forms an included angle with the first concave tongue piece (11) to form a first lock catch (alpha); the male tongue B (222) is folded along with the second female tongue (21) and forms a gap (223) with the male tongue A (221), and the first male tongue (12) is inserted into the gap (223) so as to be clamped by the butt type tongue mechanism (22) to form a second lock catch (beta).
2. A two-way snap-fastener device for joining two panels together according to claim 1, characterised in that in the first snap-fastener (α) the free end of the first female tongue (11) abuts against the face of the second female tongue (21).
3. A bi-directional snapping device that connects two panels together according to claim 1,
the constraint end of the first concave tongue piece (11) is connected to the first panel (I) in a turnover way through a first folding line (13), and the first concave tongue piece (11) and the first convex tongue piece (12) are separated by a cutting line;
the restraining end of the second female tab (21) is connected to the second panel (II) by a second fold line (23) in a reversible manner, the second female tab (21), the male tab A (221) and the male tab B (222) being separated by a cut line.
4. A bi-directional snapping device that connects two panels together according to claim 1 or 3,
a free end inner recess (111) is arranged in the middle of the free end of the first concave tongue piece (11), and the first convex tongue piece (12) is positioned in the middle of the free end inner recess (111);
the middle of the restraint end of the second concave tongue piece (21) is provided with a restraint end concave part, the butt-joint tongue piece mechanism (22) is positioned in the restraint end concave part, and the convex tongue piece A (221), the convex tongue piece B (222) and the second concave tongue piece (21) are separated by an H-shaped cutting line (24).
5. A bi-directional snapping device that connects two panels together according to claim 1 or 3,
a free end indent (111) is arranged at one end of the free end of the first concave tongue piece (11), and the first convex tongue piece (12) is positioned at the free end indent (111);
a constraint end indent is arranged at one end of the constraint end of the second concave tongue piece (21), the constraint end indent and the free end indent (111) of the first concave tongue piece (11) are positioned at the same end, and the convex tongue piece A (221), the convex tongue piece B (222) and the second concave tongue piece (21) are separated by a T-shaped cutting line (25).
6. A bi-directional locking device for two panels together as claimed in claim 1 wherein the first female tongue (11) and the second female tongue (21) are each shaped with a larger middle part and smaller free and constrained ends.
7. A paper sleeve comprising two panels connected together by a two-way locking device as claimed in any one of claims 1 to 6.
8. A paper sleeve according to claim 7, characterized in that two panels are connected by a plurality of said two-way lockers distributed on the same line.
CN201922234351.XU 2019-12-12 2019-12-12 Two-way locking device for connecting two panels together and paper sleeve Active CN212048692U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922234351.XU CN212048692U (en) 2019-12-12 2019-12-12 Two-way locking device for connecting two panels together and paper sleeve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922234351.XU CN212048692U (en) 2019-12-12 2019-12-12 Two-way locking device for connecting two panels together and paper sleeve

Publications (1)

Publication Number Publication Date
CN212048692U true CN212048692U (en) 2020-12-01

Family

ID=73511608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922234351.XU Active CN212048692U (en) 2019-12-12 2019-12-12 Two-way locking device for connecting two panels together and paper sleeve

Country Status (1)

Country Link
CN (1) CN212048692U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978082A (en) * 2019-12-12 2021-06-18 上海紫丹印务有限公司 Two-way locking device for connecting two panels together and paper sleeve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112978082A (en) * 2019-12-12 2021-06-18 上海紫丹印务有限公司 Two-way locking device for connecting two panels together and paper sleeve

Similar Documents

Publication Publication Date Title
US6413007B1 (en) Joint assembly
EP1091889B1 (en) Locking arrangement for panels
US4017019A (en) Paperboard container
WO2000030951A1 (en) Interlocking arrangement for wrap-around carton
EP1025018B1 (en) Interlocking arrangement for panels
CN212048692U (en) Two-way locking device for connecting two panels together and paper sleeve
DE112009004247T5 (en) push-button
JPS60158037A (en) Device for assembling panel
US6871465B2 (en) Modular connection system
US2605955A (en) Self-locking folding box
US4216897A (en) Lock for a corner lock carton
CN112978082A (en) Two-way locking device for connecting two panels together and paper sleeve
EP1283173A2 (en) Broadsheet for manufacturing a container and container manufactured from such a broadsheet
US8353417B1 (en) Multi-purpose floatable container having a linkage disc for laterally securing an additional container
US6293460B1 (en) Carton with locking mechanism
US6662414B1 (en) Buckle
US6430880B1 (en) Display panel with deployable vertical stabilization
JPH10144382A (en) Block connector
US4885854A (en) Picture frame formed from unitary blank
US6502743B2 (en) Carton having panel-interlocking means
JPH0575627B2 (en)
KR20000075780A (en) Panel interlocking means for cartons
CN211466642U (en) Automatic cutting direction safety and stability subassembly
US20240017876A1 (en) Packaging member
KR102562805B1 (en) Packing Box Can Be Sealed Without Adhesive Tape

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant