Button structure and packaging bag capable of being opened at one time

By designing a slot with a button structure and a circumferential plug, and using a stepped end face and limiting components to achieve irreversible unlocking, the problem of packaging bags being damaged or replaced during transportation is solved, improving the safety of the goods and the stability of the connection.

CN223905612UActive Publication Date: 2026-02-13CHENGDU KOUWEI PACKAGING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520660434.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-09
Publication Date
2026-02-13
Estimated Expiration
2035-04-09

AI Technical Summary

Technical Problem

Existing packaging bags are easily damaged or replaced during transportation, affecting the recipient's judgment of the safety of the goods.

Method used

Design a button structure, including fasteners and plugs, that achieves irreversible unlocking through the cooperation of slots and circumferential plugs, utilizing stepped end faces and limiting components, ensuring that the packaging bag can only be opened once.

Benefits of technology

It improves the security of packaging bags during transportation, ensures the integrity of goods, and prevents transportation personnel from damaging or replacing packaging bags. The irreversible button structure connection enhances the stability of the connection.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223905612U_ABST
    Figure CN223905612U_ABST
Patent Text Reader

Abstract

The utility model discloses a button structure and a packaging bag capable of being opened once, and relates to the technical field of packaging bags, the button structure comprises a fastener, the fastener is provided with an inserting groove, the inner side wall of the inserting groove is provided with a step end face, and the step end face faces the side far away from the opening end of the inserting groove; the plug-in comprises a plurality of circumferential plugs, and the circumferential plugs are all arranged on the mounting surface of the plug-in and are sequentially arranged at intervals in the circumferential direction of the mounting surface; a limiting piece is arranged on at least one circumferential plug, one end of the limiting piece is connected with the circumferential plug, and the other end of the limiting piece extends in the direction away from the outer side face of the circumferential plug; the plurality of circumferential plugs can be inserted into the slots to realize clamping between the fastener and the plug-in; when the fastener and the plug-in are clamped, the step end face is used for preventing the limiting piece from retreating from the slot. According to the scheme, stable connection is achieved in a buckling mode, and single-time opening of the button structure can be achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to packing bag technical field, concretely relates to a button structure and single opening packing bag. BACKGROUND

[0002] The packing bag is commonly used as the outer package when the object is transported, and is used for realizing the holding of the internal article. UTILITY MODEL CONTENTS

[0003] The utility model discloses in order to solve the prior art's insufficient, the purpose is at providing a button structure and single opening packing bag, adopt this scheme, through the buckle mode stable connection can realize the single opening of button structure.

[0004] The utility model discloses the following technical scheme realizes:

[0005] A button structure, comprising:

[0006] The fastener has a slot, and a stepped end face is formed on the inner side wall of the slot, and the stepped end face faces away from the opening end of the slot;

[0007] The insert includes a plurality of circumferential plugs, and the plurality of circumferential plugs are arranged on the mounting surface of the insert and are sequentially and spacedly arranged along the circumferential direction of the mounting surface;

[0008] A limiting piece is arranged on at least one of the circumferential plugs, one end of the limiting piece is connected with the circumferential plug, and the other end extends away from the outer side face of the circumferential plug;

[0009] The plurality of circumferential plugs can be inserted into the slot to realize the clamping between the fastener and the insert; when the fastener and the insert are clamped, the stepped end face is used for blocking the limiting piece from exiting the slot.

[0010] The utility model provides a button structure relative to prior art, and the transportation personnel can break the corresponding packaging bag and adopt the way of replacing the packaging bag, which influences the safety judgment of the receiver to the transported article, the utility model provides a button structure, specific structure includes the fastener and the insert piece that can mutually buckle and connect, and the fastener and the insert piece can be round, square etc.

[0011] Further scheme, as a kind of circumferential protrusion specific implementation, the insert groove inner side wall is with circumferential protrusion in full circumferential direction or local circumferential direction;The circumferential protrusion towards far away from the insert groove opening end is the stepped end face.In the present scheme, circumferential protrusion can be single protrusion, also can be several protrusions;Single protrusion can be circumferential closed structure, also can be locally disconnected at a point;And several protrusions can be spaced around the circumferential direction.The purpose of setting circumferential protrusion is to extrude the limiting piece by circumferential protrusion when inserting the insert piece, so that the limiting piece overcomes the stepped end face, thereby facilitating the quick reset of the limiting piece, and realizing more stable buckling.

[0012] Further scheme, as a kind of circumferential protrusion specific implementation, the insert groove inner side wall is with circumferential protrusion in full circumferential direction or local circumferential direction;The circumferential protrusion towards far away from the insert groove opening end is the stepped end face.In the present scheme, circumferential protrusion can be single protrusion, also can be several protrusions;Single protrusion can be circumferential closed structure, also can be locally disconnected at a point;And several protrusions can be spaced around the circumferential direction.The purpose of setting circumferential protrusion is to extrude the limiting piece by circumferential protrusion when inserting the insert piece, so that the limiting piece overcomes the stepped end face, thereby facilitating the quick reset of the limiting piece, and realizing more stable buckling.

[0013] Further, as another specific embodiment of the circumferential protrusion, the inner wall of the slot has a plurality of circumferential protrusions in the same circumferential direction, and the circumferential protrusions are sequentially and spaced apart; the circumferential protrusion has a stepped end face away from the opening end of the slot.

[0014] Further, to facilitate the buckling, the opposite surfaces of the limiting member and the circumferential protrusion are both first guide surfaces; on the circumferential plug without the limiting member, the opposite surfaces of the circumferential plug and the circumferential protrusion are both second guide surfaces. In this embodiment, the limiting member can be arranged along the length direction of the circumferential plug and connected to the end of the circumferential plug, and can be integrally formed and have a smooth guide surface; and the circumferential protrusion can be arranged at the opening of the slot and contacted with the guide surface when entering the opening.

[0015] Further, to facilitate the connection of the button structure and the external unit, such as the connection of the packaging bag, the fastener and the plug both include a fixing nail, and the end of the fastener and the plug away from each other both has a insertion hole for the insertion of the fixing nail. In this embodiment, the connection mode of the fixing nail, the fastener and the plug is similar to the button in the prior art. For example, the fixing nail and the plug are arranged on the inner and outer sides of a certain place of the packaging bag, respectively, the fixing nail sequentially passes through the insertion hole of the bag body and the plug, and then the tip of the fixing nail is extruded, so that the bag body is clamped in the inner part by the fixing nail and the plug, and the installation of the plug is realized; the installation mode of the fastener is the same.

[0016] Further, as a specific embodiment for facilitating opening of the packaging bag, the slot is a through slot, a first connecting member is arranged on the inner side of the end of the slot away from the opening end of the slot, a through insertion hole is formed in the middle of the first connecting member, the peripheral side of the first connecting member is connected with the slot through a second connecting member, the connecting position of the second connecting member and the first connecting member, the connecting position of the second connecting member and the slot, or the middle position of the second connecting member, is provided with a breakable part, and the breakable part is broken when the connecting relationship between the fastener and the insert is disconnected. In this embodiment, the first connecting member can be a circular plate, and a through hole is formed in the center, so that the fixing nail can be inserted into the through hole to be connected with the first connecting member; the first connecting member is connected with the slot through the second connecting member, a plurality of second connecting members can be distributed on the peripheral end of the first connecting member in sequence, and the external unit and the fastener are connected through the second connecting members; and in order to realize opening of the button assembly, the breakable part is arranged at the middle position or the end position of the second connecting member, and the breakable part can be a weak point or a reduced diameter section arranged on the second connecting member, so that when the receiver needs to open, the insert and the fastener are separated, and the breakable part on the second connecting member is broken at this time, thereby completing irreversible connection of the button structure. It should be noted that the breakable part should have a relatively low connection strength and be easy to break at this position, but it should be noted that as a person skilled in the art should know that the connection strength should meet the connection requirements, so as to avoid accidental breakage of the second connecting member (such as external force during transportation).

[0017] Further, as another specific embodiment for facilitating opening of the packaging bag, a breakable part is arranged at the connecting position between the fastener and the first external unit, at the connecting position between the insert and the second external unit, or at the connecting position between the insert and the fastener, and the breakable part is broken when the connecting relationship between the fastener and the insert is disconnected. In this embodiment, the breakable part can also not be arranged at the second connecting member, but can be arranged at any one of the connecting positions, such as the breakable part arranged at the connecting position between the fastener and the first external unit, the breakable part arranged at the connecting position between the insert and the second external unit, or the breakable part arranged at the connecting position between the insert and the fastener, and the above breakable parts are all located at the connecting positions of the button structure, thereby realizing irreversible connection.

[0018] Further, the application also provides a single-opening packaging bag, which comprises a packaging bag body having an inner cavity for accommodating an object, wherein the inner cavity is provided with an object inlet for allowing the object to enter the inner cavity, and a button structure for maintaining the closed state of the object inlet.

[0019] Specifically, the material and structure of the packaging bag are not limited, and the material can be plastic, kraft paper or non-woven fabric, and the structure at least has an inlet for allowing the object to enter and the inlet can be closed.

[0020] Further, as a specific embodiment of the packaging bag body for maintaining the closed state of the object inlet, the packaging bag body further comprises a first bag body and a second bag body, wherein the first bag body and the second bag body are connected to each other, two surfaces of the first bag body and the second bag body close to each other form the inner cavity, the second bag body is provided with the insert on the side close to the object inlet, and the first bag body is provided with the fastener on the side close to the object inlet.

[0021] The second bag body can be flipped towards the side of the first bag body to allow the fastener and the insert to cooperate with each other to close the object inlet.

[0022] Further, as another specific embodiment of the packaging bag body for maintaining the closed state of the object inlet, the packaging bag body further comprises a sealing assembly, wherein the sealing assembly comprises a sliding bar and a sliding block, one end of the sliding bar is a starting end, the other end of the sliding bar is a closing end, the sliding block slides between the starting end and the closing end to close the object inlet, the insert is arranged on the sliding block, and the fastener is arranged on the closing end of the sliding bar.

[0023] When the sliding bar slides to the closing end, the fastener and the insert cooperate with each other to maintain the closed state of the object inlet.

[0024] In addition, the sealing assembly can also be a tear strip, one end of the tear strip is provided with a hand tearing part, in use, the opening of the tear strip can be realized through the hand tearing part, an insert is arranged at the hand tearing part, a buckle is arranged at a position close to the hand tearing part, the buckle and the insert are matched with each other to realize the maintenance of the closed state of the external object entrance.

[0025] As a redundancy scheme, in order to ensure the stability of the buckle and the insert, an adhesive member can be arranged on the surface of the second bag body close to the inner cavity, and the adhesive member is used to be bonded with the side of the first bag body away from the inner cavity, so as to ensure the sealing effect and the stability of the connection between the buckle and the insert.

[0026] As a redundancy scheme, in order to reduce or even avoid the shaking of the internal articles as much as possible, the magic tape capable of being matched is arranged on the upper side and the lower side of the packaging bag body or the left side and the right side of the packaging bag body after the packaging bag body is closed, or the Velcro strap is arranged in the middle of the packaging bag body.

[0027] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0028] 1. The utility model provides a button structure and single opening packaging bag, is connected stably through the mode of buckling, can realize single opening of button structure, guarantees button structure's irreversibility;

[0029] 2. The utility model provides a button structure and single opening packaging bag, further guarantees button structure irreversibility's effect through the structural design of breakable part, can realize the break of second limiting piece through breakable part by pulling out insert outward;

[0030] 3. The utility model provides a button structure and single opening packaging bag, for the structural design of packaging bag, can effectively realize the safety of packaging bag transportation article, improves the difficulty of realizing article damage through the mode of replacing packaging bag. DRAWINGS

[0031] The drawings described herein are used to provide further understanding of the embodiments of the utility model and form part of the present application and do not constitute limitation to the embodiments of the utility model. In the drawings:

[0032] Figure 1 It is a structural schematic view of the button structure provided by the utility model;

[0033] Figure 2 It is the axonometric view of the buckle provided by the utility model;

[0034] Figure 3 It is another direction axonometric view of the buckle provided by the utility model;

[0035] Figure 4 The plug-in shaft view provided by the utility model;

[0036] Figure 5 The structure schematic view of the plurality of button structures provided by the utility model for the packaging bag is shown in the figure;

[0037] Figure 6 The structure schematic view of the single button structure provided by the utility model for the packaging bag is shown in the figure;

[0038] Figure 7 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure;

[0039] Figure 8 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure; Figure 7 The enlarged view of A in the figure;

[0040] Figure 9 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure;

[0041] Figure 10 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure; Figure 9 The enlarged view of B in the figure;

[0042] Figure 11 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure;

[0043] Figure 12 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure; Figure 10 The structure schematic view of the first magic tape provided by the utility model for the packaging bag when the opening is closed is shown in the figure;

[0044] Figure 13 The structure schematic view of the second magic tape provided by the utility model for the packaging bag when the opening is closed is shown in the figure; Figure 10

[0045] The structure schematic view of the third magic tape provided by the utility model for the packaging bag when the opening is closed is shown in the figure; Figure 14 Figure 10 The structure schematic view of another embodiment of the utility model for the packaging bag is shown in the figure.

[0046] Figure 15 The mark and the corresponding part name in the figure are shown in the table.

[0047] The mark and the corresponding part name in the figure are shown in the table.

[0048] ​1 - fastener, 101 - slot, 102 - stepped end face, 103 - circumferential protrusion, 104 - first connecting piece, 105 - second connecting piece, 106 - frangible portion, 2 - insert, 201 - limiting piece, 202 - circumferential plug, 3 - fixing nail, 4 - sealing assembly, 401 - slide bar, 402 - slide block, 5 - packaging bag body, 501 - first bag body, 502 - second bag body, 6 - identification piece, 7 - bonding piece, 8 - handle, 9 - magic tape. DETAILED DESCRIPTION

[0049] To make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the embodiments and drawings. The exemplary embodiments of the present application and their descriptions are only used to explain the present application and should not be considered as limiting the present application.

[0050] Embodiment 1

[0051] This embodiment 1 provides a button structure, as shown in the drawings, comprising: Figures 1-4

[0052] The fastener 1 has a slot 101, and the inner side wall of the slot 101 has a stepped end face 102, and the stepped end face 102 is directed away from the opening end of the slot 101;

[0053] The insert 2 comprises a plurality of circumferential plugs 202, and each of the circumferential plugs 202 is arranged on the mounting surface of the insert 2 and is arranged in sequence along the circumferential direction of the mounting surface;

[0054] A limiting piece 201 is arranged on at least one of the circumferential plugs 202, one end of the limiting piece 201 is connected with the circumferential plug 202, and the other end extends away from the outer side face of the circumferential plug 202;

[0055] The plurality of circumferential plugs 202 can be inserted into the slot 101 to realize the clamping between the fastener 1 and the insert 2; when the fastener 1 and the insert 2 are clamped, the stepped end face 102 is used to block the limiting piece 201 from exiting the slot 101.

[0056] ​With respect to the prior art, the transport personnel can damage the corresponding packaging bag, and the replacement of the packaging bag affects the judgment of the safety of the transported goods by the recipient, the utility model provides a button structure, specific structure includes button 1 and insert 2 that can be mutually buckled connection, button 1 and insert 2 can be round, square and other shapes;A plurality of circumferential plugs 202 are arranged on the mounting surface of the insert 2, and the plurality of circumferential plugs 202 are combined to form a shape matched with the insert slot 101, which is hollow inside, and a gap is left between adjacent circumferential plugs 202;And the inside wall of the insert slot 101 is provided with a stepped end face 102, which can be a convex stepped end face 102, or a groove can be formed, and the stepped end face 102 is located in the groove.When the insert 2 is inserted into the insert slot 101, the circumferential plug 202 with the limiting piece 201 is extruded inwardly to shrink, so that it is elastically deformed, and when it passes over the stepped end face 102 or reaches the stepped end face 102, the limiting piece 201 resets, so that the limiting piece 201 is located behind the stepped end face 102, so that when the insert 2 needs to be withdrawn, the insert 2 cannot be withdrawn due to the blocking of the stepped end face 102, to form an irreversible unlocking, so that the button assembly cannot be used again.Through the above design, the irreversible unlocking mode, when the transport personnel needs to open the packaging bag, it is necessary to violently damage the packaging bag or the button structure, so that the recipient can judge the integrity of the original packaging bag, and the safety of the packaging bag in the transportation process is improved.Secondly, the button structure can be directly connected by pressing, and the connection between the two is more compact and stable.In addition, an identification element 6 can also be arranged on the packaging bag, and the identification element 6 is integrally formed with the packaging bag body 5;The identification element 6 is used to distinguish different packaging bags, which is one or more of a two-dimensional code, a bar code and a random number code.

[0057] In this embodiment, at least one stepped end face 102 is sequentially arranged in the length direction of the insert slot 101 to form multi-level protection.I.e.one or more sequentially arranged stepped end faces 102 are sequentially arranged, so that the limiting piece 201 sequentially passes over the plurality of stepped end faces 102 when the insert 2 is inserted, to form a multi-level stepped protection surface.

[0058] Embodiment 2:

[0059] This embodiment 2 provides a specific implementation of the circumferential protrusion 103 based on embodiment 1.

[0060] The inner side wall of the slot 101 has a circumferential protrusion 103 in the full circumferential direction or the partial circumferential direction; the circumferential protrusion 103 is a stepped end face 102 towards the side away from the opening end of the slot 101. In this scheme, the circumferential protrusion 103 can be a single protrusion or several protrusions; when it is a single protrusion, it can be a circumferentially closed structure or locally disconnected at a certain point; and when it is several protrusions, they can be uniformly distributed around the circumferential direction. The purpose of setting the circumferential protrusion 103 is to extrude the limiting part 201 through the circumferential protrusion 103 when the plug-in part 2 is inserted, so that the limiting part 201 passes over the stepped end face 102, thereby facilitating the quick resetting of the limiting part 201 and achieving more stable buckling.

[0061] In this embodiment, in order to facilitate buckling, the opposite surfaces of the limiting part 201 and the circumferential protrusion 103 are both first guide surfaces matched with each other; and on the circumferential plug 202 without the limiting part 201, the opposite surfaces of the circumferential plug 202 and the circumferential protrusion 103 are both second guide surfaces matched with each other. Among them, the limiting part 201 can be arranged along the length direction of the circumferential plug 202 and connected to the end of the circumferential plug 202, which can be integrally formed and form a smooth guide surface; and the circumferential protrusion 103 can be arranged at the opening of the slot 101 and contacted with the guide surface as soon as it enters the opening of the slot 101.

[0062] Embodiment 3:

[0063] This embodiment 3 provides a specific implementation of the circumferential protrusion 103 based on the embodiment 1.

[0064] The inner side wall of the slot 101 has several circumferential protrusions 103 in the same circumferential direction, and the several circumferential protrusions 103 are arranged in sequence and at intervals; the circumferential protrusion 103 is a stepped end face 102 towards the side away from the opening end of the slot 101.

[0065] In this embodiment, in order to facilitate buckling, the opposite surfaces of the limiting part 201 and the circumferential protrusion 103 are both first guide surfaces matched with each other; and on the circumferential plug 202 without the limiting part 201, the opposite surfaces of the circumferential plug 202 and the circumferential protrusion 103 are both second guide surfaces matched with each other. Among them, the limiting part 201 can be arranged along the length direction of the circumferential plug 202 and connected to the end of the circumferential plug 202, which can be integrally formed and form a smooth guide surface; and the circumferential protrusion 103 can be arranged at the opening of the slot 101 and contacted with the guide surface as soon as it enters the opening of the slot 101.

[0066] Embodiment 4:

[0067] The embodiment is based on any of the above embodiments, and provides a connecting method for facilitating the connection of the button structure and the external unit, such as the connection of the packaging bag. The fastener 1 and the insert 2 each include a fixing nail 3. The end of the fastener 1 and the insert 2 away from each other is provided with a insertion hole for the insertion of the fixing nail 3. In this scheme, the connection of the fixing nail 3 and the fastener 1 and the insert 2 is similar to the button in the prior art. For example, the fixing nail 3 and the insert 2 are respectively arranged on the inner and outer sides of a packaging bag at a certain position. The fixing nail 3 sequentially passes through the insertion hole of the insert 2 and the bag body, and then the tip of the fixing nail 3 is extruded, so that the bag body is clamped in the insert 2 by the fixing nail 3 and the insert 2, and the installation of the insert 2 is realized. The installation of the fastener 1 is the same.

[0068] Embodiment 5:

[0069] The embodiment 5 is based on the embodiment 4, and provides a specific implementation for facilitating the opening of the packaging bag, as shown in the figure. Figures 1-4

[0070] The insertion slot 101 is a through slot. A first connecting piece 104 is arranged on the inner side of the end of the insertion slot 101 away from the opening end thereof. A through insertion hole is formed in the middle of the first connecting piece 104. The peripheral side of the first connecting piece 104 is connected with the insertion slot 101 through a second connecting piece 105. The connection position of the second connecting piece 105 and the first connecting piece 104, the connection position of the second connecting piece 105 and the insertion slot 101, or the middle position of the second connecting piece 105 is provided with a breakable part 106. When the connection between the fastener 1 and the insert 2 is disconnected, the breakable part 106 is broken. In this scheme, the first connecting piece 104 can be a circular plate, and a through hole is formed in the center. In this way, the fixing nail 3 can be inserted into the through hole to be connected with the first connecting piece 104. The first connecting piece 104 is connected with the insertion slot 101 through the second connecting piece 105. A plurality of second connecting pieces 105 can be sequentially and uniformly arranged on the peripheral end of the first connecting piece 104. The external unit and the fastener 1 are connected through the second connecting piece 105. In order to open the button assembly, the breakable part 106 is arranged at the middle or both ends of the second connecting piece 105. The breakable part 106 can be a weak point or a reduced diameter section arranged on the second connecting piece 105, or a material that is easy to break. In this way, when the recipient needs to open it, the insert 2 and the fastener 1 are separated. At this time, the breakable part 106 on the second connecting piece 105 is broken, thereby completing the irreversible connection of the button structure. It should be noted that the breakable part 106 should have a relatively low connection strength, and it is easy to break at this position. However, it should be noted that the connection strength should meet the connection requirements, so as to avoid the breakage of the second connecting piece 105 caused by external force (such as external force during transportation).

[0071] Embodiment 6:​

[0072] This embodiment 6 provides another specific embodiment for facilitating opening of the packaging bag based on the embodiment 4.

[0073] A breakable part 106 is arranged at the connection position between the fastener 1 and the first external unit, at the connection position between the insert 2 and the second external unit, or at the connection position between the insert 2 and the fastener 1. When the connection relationship between the fastener 1 and the insert 2 is disconnected, the breakable part 106 is broken. In this scheme, the breakable part 106 can also not be arranged at the second connecting part 105, but can be arranged at any connection position, such as the breakable part 106 arranged at the connection position between the fastener 1 and the first external unit, at the connection position between the insert 2 and the second external unit, or at the connection position between the insert 2 and the fastener 1. The above-mentioned breakable part 106 is located at the connection position of the button structure, thereby realizing irreversible connection.

[0074] Embodiment 7:

[0075] This embodiment 7 further provides a single-opening packaging bag based on any of the above-mentioned embodiments, as shown in Figures 5-15

[0076] In this embodiment, a packaging bag body 5 is included, which has an inner cavity for accommodating external objects. The inner cavity is provided with an external object inlet for realizing entry of external objects into the inner cavity. A button structure is further included, which is used to maintain the closed state of the external object inlet. In a specific scheme, the packaging bag includes the above-mentioned button structure. As should be known by those skilled in the art, the packaging bag should have an external object inlet to realize entry of external objects into the inner cavity of the packaging bag body 5, thereby realizing protection of the objects. The button structure is arranged at the corresponding opening position, and is used to maintain the closed state of the external object inlet. When the packaging bag is used for transportation or storage of objects, the insert 2 and the fastener 1 of the button structure are connected, and the button structure can only realize irreversible opening. That is, after the button is opened, the external object inlet cannot be closed again by using the fastening mode, thereby being able to protect the objects in the packaging bag. The recipient can directly determine the internal objects by the state of the corresponding button structure, thereby avoiding the situation that the transported objects are replaced or damaged during transportation.

[0077] Specifically, the material and specific structure of the packaging bag are not limited. The material can be plastic, kraft paper, or non-woven fabric. As for the specific structure, at least one inlet can be provided to realize entry of external objects, and the inlet can be closed.

[0078] As​Figure 5 and Figure 6 As shown in FIG. 1, as a specific embodiment of the package bag body 5 to achieve the closure of the foreign matter inlet, the package bag body 5 further comprises a first bag body 501 and a second bag body 502, the first bag body 501 and the second bag body 502 are connected to each other, two faces of the first bag body 501 and the second bag body 502 close to each other form the inner cavity, the second bag body 502 is provided with the insert 2 on the side close to the foreign matter inlet, and the first bag body 501 is provided with the fastener 1 on the side close to the foreign matter inlet;

[0079] The second bag body 502 can be flipped to the side of the first bag body 501, so as to make the fastener 1 and the insert 2 cooperate with each other to achieve the closure of the foreign matter inlet. The button structure can be multiple as shown in FIG. 2, or single as shown in FIG. 3. Figure 5 Figure 6

[0080] In addition, as shown in FIG. 4, in order to ensure the stability of the fastener 1 and the insert 2, an adhesive member 7 can be arranged on the surface of the second bag body 502 close to the inner cavity, and the adhesive member 7 is used to bond with the side of the first bag body 501 away from the inner cavity, so as to ensure the sealing effect and the stability of the connection between the fastener 1 and the insert 2. Figure 10 As shown in FIG. 5, as another specific embodiment of the package bag body 5 to achieve the closure of the foreign matter inlet, the package bag body 5 further comprises a sealing assembly 4, the sealing assembly 4 comprises a slide bar 401 and a slide block 402, one end of the slide bar 401 is a starting end, the other end of the slide bar 401 is a closed end, the slide block 402 slides between the starting end and the closed end to achieve the closure of the foreign matter inlet; the slide block 402 is provided with the insert 2, and the closed end of the slide bar 401 is provided with the fastener 1;

[0081] Figures 7-8 When the slide bar 401 slides to the closed end, the fastener 1 and the insert 2 cooperate with each other to maintain the closed state of the foreign matter inlet.

[0082] As shown in FIG. 6, in the embodiment, the sealing assembly 4 can also be a tear strip, one end of the tear strip is provided with a hand tearing part, in use, the tear strip can be opened through the hand tearing part, the insert 2 is arranged on the hand tearing part, and the fastener 1 is arranged close to the hand tearing part, the fastener 1 and the insert 2 cooperate with each other to maintain the closed state of the foreign matter inlet.

[0083] As shown in FIG. 7, in the embodiment, the sealing assembly 4 can also be a tear strip, one end of the tear strip is provided with a hand tearing part, in use, the tear strip can be opened through the hand tearing part, the insert 2 is arranged on the hand tearing part, and the fastener 1 is arranged close to the hand tearing part, the fastener 1 and the insert 2 cooperate with each other to maintain the closed state of the foreign matter inlet. Figures 9-10

[0084] ​​​​In some embodiments, the packaging bag body 5 is further provided with a handle 8, which can be provided on the first bag body 501, or on the second bag body 502, or on both of them, for the purpose of extracting the packaging bag.

[0085] As shown in Figures 12-14 In some embodiments, when the internal articles are small, they may shake during transportation, so as to reduce or even avoid the shaking of the internal articles, as shown in Figure 12 After the entrance of the packaging bag body 5 is closed, the upper and lower sides of the packaging bag body 5 are provided with magic tapes 9 that can be matched, so that the packaging bag body 5 can be bonded by bending up and down, and the moving space of the internal articles is reduced by folding. Figure 13 As shown in Figure 14 After the entrance of the packaging bag body 5 is closed, the upper and lower sides of the packaging bag body 5 are provided with magic tapes 9 that can be matched, so that the packaging bag body 5 can be bonded by bending up and down, and the moving space of the internal articles is reduced by folding.

[0086] The above specific embodiments further explain the purpose, technical scheme and beneficial effects of the present application, and it should be understood that the above description is only a specific embodiment of the present application, and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A button structure, characterized by, The application relates to a fastener (1) and a plug (2), and belongs to the technical field of fasteners. The fastener (1) is provided with a slot (101), and a stepped end face (102) is arranged on the inner side wall of the slot (101) and faces away from the opening end of the slot (101); the plug (2) is provided with a plurality of circumferential plugs (202), the circumferential plugs (202) are arranged on the mounting surface of the plug (2) and are sequentially and spacedly arranged along the circumferential direction of the mounting surface; a limiting piece (201) is arranged on at least one of the circumferential plugs (202), one end of the limiting piece (201) is connected with the circumferential plug (202), and the other end extends away from the outer side face of the circumferential plug (202); the circumferential plugs (202) can be inserted into the slot (101) to realize clamping between the fastener (1) and the plug (2); when the fastener (1) and the plug (2) are clamped, the stepped end face (102) is used for blocking the limiting piece (201) from exiting the slot (101). The slot (101) is sequentially provided with at least one stepped end face (102) along the length direction of the slot (101). The inner side wall of the slot (101) is provided with a circumferential protrusion (103) in the full circumferential direction or the local circumferential direction; the circumferential protrusion (103) is the stepped end face (102) and faces away from the opening end of the slot (101). The inner side wall of the slot (101) is provided with a plurality of circumferential protrusions (103) in the same circumferential direction, the circumferential protrusions (103) are sequentially and spacedly arranged, and the circumferential protrusion (103) is the stepped end face (102) and faces away from the opening end of the slot (101).

2. The button structure according to claim 1, wherein The opposite faces of the limiting piece (201) and the circumferential protrusion (103) are first guide faces matched with each other; the opposite faces of the circumferential plug (202) and the circumferential protrusion (103) are second guide faces matched with each other when the circumferential plug (202) is not provided with the limiting piece (201).

3. The button structure according to claim 1, wherein The fastener (1) and the plug (2) are both provided with a fixing nail (3), and the ends, away from each other, of the fastener (1) and the plug (2) are both provided with a plug hole for inserting the fixing nail (3).

4. The button structure according to claim 1, wherein The slot (101) is a through slot, a first connecting piece (104) is arranged on the inner side of the end, away from the opening end of the slot (101), the first connecting piece (104) is provided with a through plug hole in the middle part, the circumferential side of the first connecting piece (104) is connected with the slot (101) through a second connecting piece (105), the connecting position of the second connecting piece (105) and the first connecting piece (104), the connecting position of the second connecting piece (105) and the slot (101) or the middle part of the second connecting piece (105) is provided with a breakable part (106), and the breakable part (106) is broken when the connecting relationship between the fastener (1) and the plug (2) is disconnected.

5. A button structure according to claim 3 or 4, wherein ​ 6. The button structure according to any one of claims 1 to 4, wherein ​ 7. A button structure according to claim 6, wherein ​ 8. The button structure according to claim 6, wherein At the connection position between the fastener (1) and the first external unit, at the connection position between the insert (2) and the second external unit, or at the connection position between the insert (2) and the fastener (1), a breakable part is provided, and the breakable part is broken when the connection between the fastener (1) and the insert (2) is disconnected.

9. A single-opening packaging bag, comprising a packaging bag body (5) having an inner cavity for accommodating foreign matters, the inner cavity being provided with a foreign matter inlet for enabling foreign matters to enter the inner cavity, characterized in that: Further comprising the button structure according to any one of claims 1-6, the button structure being used to maintain the closed state of the foreign matter inlet.

10. A single-use packaging bag according to claim 9, characterized in that The packaging bag body (5) further comprises a first bag body (501) and a second bag body (502), the first bag body (501) and the second bag body (502) are connected to each other, two surfaces of the first bag body (501) and the second bag body (502) close to each other form the inner cavity, the second bag body (502) is provided with the insert (2) on the side close to the foreign matter inlet, and the first bag body (501) is provided with the fastener (1) on the side close to the foreign matter inlet. The second bag body (502) can be flipped towards the side of the first bag body (501) to enable the fastener (1) and the insert (2) to cooperate with each other and realize the closure of the foreign matter inlet.

11. A single-use packaging bag according to claim 9, characterized in that The packaging bag body further comprises a sealing assembly (4), the sealing assembly (4) comprises a slide bar (401) and a slide block (402), one end of the slide bar (401) is a starting end, the other end of the slide bar (401) is a closed end, and the slide block (402) slides between the starting end and the closed end to realize the closure of the foreign matter inlet; the insert (2) is arranged on the slide block (402), and the fastener (1) is arranged on the closed end of the slide bar (401); When the slide bar (401) slides to the closed end, the fastener (1) and the insert (2) cooperate with each other to maintain the closed state of the foreign matter inlet.

12. A single-use packaging bag according to claim 9, characterized in that After the packaging bag body (5) is closed, magic tapes capable of cooperating with each other are arranged on the upper and lower sides or the left and right sides of the packaging bag body (5), or a Velcro strap is arranged in the middle of the packaging bag body.