A kind of adhesive-free paper box that can resist opening by children

Abstract

The utility model discloses a glue-free child-proof paper box, comprising a box body with a cavity and a flip cover covering the box body, both side walls of the cavity are concavely provided with limiting slots, both sides of the flip cover are provided with limiting spring pieces inserted into the cavity and correspondingly engaged with the limiting slots, and both outer sides of the box body are penetrated with unlocking holes for pressing the limiting spring pieces inward at least in part of the positions corresponding to the limiting slots. In the utility model, the paper box can only be opened after the limiting spring pieces are pressed inward through the unlocking holes to separate them from the limiting slots, so the utility model has the characteristics of preventing children from accidentally opening and being able to be produced in one piece without glue.

Description

Technical Field

[0001] The utility model belongs to the technical field of daily chemical product packaging, and in particular relates to a glue-free paper box that is child-proof. Background Art

[0002] As the concept of green environmental protection is increasingly accepted by consumers, laundry detergent beads and dishwashing tablets in paper boxes are gradually appearing on the market. At present, ordinary paper box structures do not have locks or child locks. When children touch the container, the lid is easily opened, causing the product in the container to be accidentally ingested by children, causing harm; even if some containers have locks, they require more glue or paper box components during production, or consumers have a poor user experience. In addition, due to the limitations of the paper box material, the child lock structure of this type of paper box generally cannot provide strong blocking ability. If adult consumers do not see the child lock structure clearly for the first time and directly open the lid with force, or even if children use a little force, it is possible to damage the child lock structure of the paper box and force the box to open. Utility Model Content

[0003] The utility model aims to overcome the existing technical defects and provide a non-adhesive child-proof paper box, which can prevent children from opening it accidentally and can be produced in one piece without adhesive.

[0004] In order to solve the above technical problems, the utility model provides a glue-free, child-proof paper box, comprising a box body with a cavity and a flip cover covering the box body, wherein both side walls of the cavity are recessed with limiting grooves, and both sides of the flip cover are provided with limiting spring pieces inserted into the cavity and engaged with the limiting grooves one by one, and unlocking holes for pressing the limiting spring pieces inward are penetrated by both outer sides of the box body at least in part of the positions corresponding to the limiting grooves.

[0005] Furthermore, the top of the cavity is an opening, the flip cover is closed over the opening, and the rear end of the flip cover is folded and connected to the side wall of the box body on the rear side of the opening, and the front end of the flip cover is a movable end; the limiting spring sheet is arranged on the left and right sides of the flip cover and is folded and connected to the flip cover.

[0006] Furthermore, the front end of the flip cover is bent downward to provide a covering piece inserted into the opening.

[0007] Furthermore, the limiting groove includes an inclined section extending obliquely from the top of the cavity toward the rear and downward side, and a transverse section connected to the lower end of the inclined section and extending horizontally toward the rear, and the shape of the limiting spring piece matches the limiting groove.

[0008] Furthermore, a circular groove having a diameter greater than its width is provided at the rear end of the transverse section, and a circular limiting portion engaging with the circular groove is provided at the end of the limiting spring sheet.

[0009] Furthermore, the inclined section has a structure that is smaller at the bottom and larger at the top.

[0010] Furthermore, the unlocking hole is an elongated hole extending in the direction of the inclined section, and the projection of the elongated hole on the vertical plane covers at least a portion of the circular groove and at least a portion of the inclined section.

[0011] Furthermore, the box body includes a square bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate, and the lower ends of the front side plate, the rear side plate, the left side plate and the right side plate are respectively folded and connected to the four sides of the bottom plate; the inner sides of the left side plate and the right side plate are provided with the limiting grooves, and the outer sides are provided with the unlocking holes.

[0012] Furthermore, the left side panel and the right side panel each include an inner side panel and an outer side panel that are folded, connected and overlapped inside and outside, so that the left side panel and the right side panel are both double structures, the limiting groove is penetrated through the inner side panel, and the unlocking hole is penetrated through the outer side panel.

[0013] Furthermore, the left and right sides of the front side panel are each provided with a first auxiliary fixing plate that is folded and extended backward, and the left and right sides of the rear side panel are each provided with a second auxiliary fixing plate that is folded and extended forward, the first auxiliary fixing plate and the second auxiliary fixing plate are connected front to back and are placed between the inner side panel and the outer side panel, and a through hole corresponding to the unlocking hole is formed between the first auxiliary fixing plate and the second auxiliary fixing plate.

[0014] Furthermore, the adhesive-free child-resistant paper box is a corrugated cardboard box, and the folding line between the limiting spring piece and the flip cover is perpendicular to the corrugated direction of the corrugated cardboard.

[0015] The utility model has the following beneficial effects:

[0016] In the utility model, a child lock structure is formed by cooperating a limiting groove formed inside the box body and a limiting spring piece arranged on the flip cover. When the flip cover is arranged on the box body, the limiting spring piece will be inserted into the limiting groove outward, thereby forming an embedded locking structure between the flip cover and the box body, and after the cover is closed, the entire flip cover is inserted into the box body to form a flush structure, and there is no fulcrum for opening the flip cover on the surface. At this time, consumers and children cannot directly open or accidentally open the flip cover by brute force, which plays the role of a child lock. The paper box can only be opened after the limiting spring piece is pressed inwardly through the unlocking hole to separate it from the limiting groove. Therefore, the utility model has the characteristics of preventing children from opening it accidentally and being able to be produced in one piece without adhesive.

[0017] Additional aspects and advantages of the present invention will be partially given in the following description, which will become apparent from the following description or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The drawings described herein are used to provide a further understanding of the present invention, constitute a part of the present application, and do not constitute an improper limitation of the present invention. In the drawings:

[0019] Figure 1 Schematic diagram of the adhesive-free child-resistant paper box in the embodiment when it is closed;

[0020] Figure 2 Schematic diagram of the adhesive-free child-resistant paper box in the embodiment when it is opened;

[0021] Figure 3 Schematic diagram of the adhesive-free child-resistant paper box in the embodiment when it is in a semi-folded assembly state;

[0022] Figure 4 Schematic diagram of the unfolding of the adhesive-free child-resistant paper box in the embodiment. DETAILED DESCRIPTION

[0023] In order to more fully understand the technical content of the present invention, the present invention will be further introduced and explained in conjunction with the accompanying drawings and specific embodiments below; it should be noted that descriptions such as "first" and "second" in the text are used to distinguish different components, etc., and do not represent the order of precedence, nor do they limit the "first" and "second" to different types.

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without making creative work are within the scope of protection of the utility model. Example

[0025] like Figures 1 to 4 As shown, the adhesive-free child-proof paper box shown in this embodiment comprises a box body 1 with a cavity 10 and a flip cover 2 covered on the box body 1, the upper end of the cavity 10 is an opening, and the flip cover 2 covers the upper part of the cavity so that the cavity 10 forms a closed cavity, and the flip cover 2 can be further folded and opened relative to the box body 1 to reveal the cavity; limiting grooves 11 are recessed on the left and right side walls of the cavity 10, and limiting spring pieces 21 are inserted into the cavity 10 and engage with the limiting grooves 11 one by one on both sides of the flip cover 2, that is, when the flip cover 2 is in the covered state, the limiting spring piece 21 is just inserted into the limiting groove 11, and unlocking holes 12 for pressing the limiting spring piece 21 inward are penetrated at least partially at the left and right outer sides of the box body 1 corresponding to the limiting grooves 11.

[0026] In the above, the child lock structure is formed by the cooperation of the limiting groove 11 formed on the inner side of the box body and the limiting spring piece 21 arranged on the flip cover 2. When the flip cover 2 is covered on the box body, the limiting spring piece 21 will be inserted into the limiting groove 11 outwardly, thereby forming an embedded locking structure between the flip cover 2 and the box body 1, and after the cover is closed, the flip cover 2 is completely inserted into the box body 1 to form a flush structure, and there is no fulcrum on the surface of the flip cover 2 for opening. The paper box is generally made of thicker cardboard, which is not easy to deform, and the fingers cannot be easily inserted into the gap between the flip cover 2 and the box body 1 to open the flip cover 2. Therefore, consumers and children cannot directly open or accidentally open the flip cover 2 by brute force. The limiting spring piece 21 must be pressed inwardly through the unlocking hole 12 to separate it from the limiting groove 11 before the paper box can be opened. Therefore, the utility model has the characteristics of preventing children from accidentally opening and being able to be integrally formed and produced without adhesive.

[0027] As a preference, Figure 2 As shown, the rear end of the flip cover 2 is folded and connected with the side wall of the box body 1 corresponding to the rear side of the upper opening of the cavity 10, and the front end of the flip cover 2 is a movable end; the limiting spring pieces 21 are arranged on the left and right sides of the flip cover 2 and are folded and connected with the flip cover 2, and the limiting spring pieces 21 are a structure that folds from top to bottom. Through the folding connection relationship, the two limiting spring pieces 21 have the elasticity to expand outward, ensuring that they can be inserted into the limiting groove 11; and when the flip cover 2 is closed, an inward pressure is first applied to the limiting spring pieces 21 so that they can enter the cavity 10 and slide downward along the two side walls of the cavity 10. After the cover is closed in place, the positions of the limiting spring pieces 21 and the limiting grooves 11 just correspond, and the limiting spring pieces 21 are inserted into the limiting grooves 11 under the action of the elasticity.

[0028] Preferably, the limiting slots 11 on the left and right sides are symmetrically arranged, and correspondingly, the limiting spring pieces 21 on the left and right sides are also symmetrically arranged.

[0029] As a preference, Figure 2 As shown, the front end of the flip cover 2 is bent downward to form a cover sheet 22 inserted into the opening. The cover sheet 22 has elasticity to expand outward due to the folding relationship. After being inserted into the cavity 10, the cover sheet 22 can exert a certain holding force on the flip cover 2 by utilizing its elasticity.

[0030] In one embodiment, if Figures 2 to 4As shown, the limiting groove 11 includes an inclined section 110 extending obliquely from the top of the cavity 10 toward the rear and lower side, and a transverse section 111 connected to the lower end of the inclined section 110 and extending horizontally toward the rear. The shape of the limiting spring piece 21 matches the limiting groove 11 to ensure that during the closing process of the flip cover, the limiting spring piece 21 will not fall into the limiting groove 11 in advance, thereby affecting the closing of the flip cover. This specific structure must ensure that during the closing process of the flip cover, the limiting spring piece 21 slides smoothly on the inner wall of the box body throughout the entire process, and does not fall into the limiting groove 11 until the moment of the final closing of the flip cover, and the longitudinal and transverse bending shapes can provide good locking force and high structural reliability.

[0031] In one embodiment, if Figures 2 to 4 As shown, the rear end of the transverse section 111 is provided with a circular groove 112 whose diameter is greater than its width, and the end of the limiting spring piece 21 is provided with a circular limiting portion 210 that engages with the circular groove 112, thereby further improving the holding force after the two are engaged, and preventing the limiting spring piece 21 from sliding along the limiting slot 11 after being deformed under brute force, thereby opening the flip cover.

[0032] In one embodiment, the inclined section 110 is a structure that is smaller at the bottom and larger at the top.

[0033] In another embodiment, the limiting groove 11 and the limiting spring piece 21 can also be designed into other specific shapes, but the designed shape needs to ensure that during the process of closing the flip cover, the limiting spring piece 21 can slide smoothly on the inner wall of the box body 1 until the last moment of closing, when it is just stuck in the limiting groove 11.

[0034] In one embodiment, if Figures 1 to 4 As shown, the unlocking hole 12 is an elongated hole extending in the direction of the inclined section 110, that is, the unlocking hole 12 is also extended obliquely, and the inclined direction can facilitate the sliding of a person's finger when unlocking, and the projection of the elongated hole on the vertical plane at least covers a portion of the circular groove 112 and at least a portion of the inclined section 110; in this way, when unlocking, the finger presses on the bottom of the unlocking hole 12 while sliding upward along the limiting spring piece 21, so that each section of the limiting spring piece 21 is separated from the limiting groove 11 in turn, and an upward force is applied to the flip cover 2 during the upward sliding process, so that the flip cover 2 is opened outward under the action of the force, thereby avoiding the problem that the flip cover 2 is difficult to open due to the lack of a force point on the surface of the flip cover 2.

[0035] In one embodiment, if Figures 2 to 4 As shown, the box body 1 includes a square bottom plate 120, a front side plate 121, a rear side plate 122, a left side plate 123 and a right side plate 124. The lower ends of the front side plate 121, the rear side plate 122, the left side plate 123 and the right side plate 124 are respectively folded and connected to the four sides of the bottom plate 120; the inner sides of the left side plate 123 and the right side plate 124 are provided with limiting grooves 11, and the outer sides are provided with unlocking holes 12.

[0036] As a preference, Figure 3 and Figure 4 As shown, in order to form the limiting groove 11 on the inner side, the left side plate 123 and the right side plate 124 both include an inner side plate 125 and an outer side plate 126 that are folded and connected and overlapped inside and outside, so that the left side plate 123 and the right side plate 124 are both inner and outer double structures, and the limiting groove 11 is penetrated on the inner side plate 125, and the depth of the limiting groove is formed by the thickness of the inner side plate 125, which can form a good holding force after engaging with the limiting spring piece 21, and the unlocking hole 12 is penetrated on the outer side plate 126.

[0037] As a preference, Figure 3 and Figure 4 As shown, the left and right sides of the front side panel 121 are each provided with a first auxiliary fixing plate 127 which is folded and extended backward, and the left and right sides of the rear side panel 122 are each provided with a second auxiliary fixing plate 128 which is folded and extended forward, the first auxiliary fixing plate 127 and the second auxiliary fixing plate 128 are connected front to back and are arranged between the inner side panel 125 and the outer side panel 126, and a through hole 129 corresponding to the unlocking hole 12 is formed between the first auxiliary fixing plate 127 and the second auxiliary fixing plate 128; through the two auxiliary fixing plates, the left and right side panels and the front and rear side panels can be folded and assembled without the need for fixing with glue or nails.

[0038] In one embodiment, the adhesive-free child-resistant paper box is a corrugated cardboard box, which is cut into the shape shown in the figure and then folded and assembled to obtain the adhesive-free child-resistant paper box. Because it is cut and folded from the same cardboard, the folding line between the limiting spring piece 21 and the flip cover 2 is perpendicular to the corrugated direction of the corrugated cardboard to ensure the resilience and durability of the pressing spring piece; the corrugated directions of the front and side of the paper box are always perpendicular to each other, so no matter which direction of the corrugated cardboard is selected, the paper box can provide good compression resistance. At the same time, the flip cover is an embedded structure. When the top is repeatedly stacked for compression resistance, the surrounding box walls provide upward support force, which meets the stacking requirements of this box type in transportation and shelf display.

[0039] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A child-resistant paper box without adhesive, comprising a box body with a cavity and a flip cover covering the box body, characterized in that: Limiting grooves are recessed on the two side walls of the cavity, and limiting spring pieces are inserted into the cavity and engaged with the limiting grooves one by one on both sides of the flip cover. Unlocking holes for pressing the limiting spring pieces inward are penetrated at least partially at the two outer sides of the box body corresponding to the limiting grooves.

2. The adhesive-free child-resistant paper box according to claim 1, characterized in that: The top of the cavity is an opening, the flip cover is closed over the opening, and the rear end of the flip cover is folded and connected to the side wall of the box body at the rear side of the opening, and the front end of the flip cover is a movable end; the limiting spring sheet is arranged on the left and right sides of the flip cover and is folded and connected to the flip cover.

3. The adhesive-free child-resistant paper box according to claim 2, characterized in that: The front end of the flip cover is bent downward and provided with a covering piece inserted into the opening.

4. The adhesive-free child-resistant paper box according to any one of claims 1 to 3, characterized in that: The limiting slot includes an inclined section extending obliquely from the top of the cavity toward the rear and downward, and a transverse section connected to the lower end of the inclined section and extending horizontally toward the rear. The shape of the limiting spring piece matches the limiting slot.

5. The adhesive-free child-resistant paper box according to claim 4, characterized in that: A circular groove with a diameter greater than its width is provided at the rear end of the transverse section, and a circular limiting portion engaged with the circular groove is provided at the end of the limiting spring sheet.

6. The adhesive-free child-resistant paper box according to claim 5, characterized in that: The unlocking hole is an elongated hole extending in the direction of the inclined section, and the projection of the elongated hole on the vertical plane covers at least a portion of the circular groove and at least a portion of the inclined section.

7. The adhesive-free child-resistant paper box according to claim 6, characterized in that: The box body includes a square bottom plate, a front side plate, a rear side plate, a left side plate and a right side plate, and the lower ends of the front side plate, the rear side plate, the left side plate and the right side plate are respectively folded and connected to the four sides of the bottom plate; the inner sides of the left side plate and the right side plate are provided with the limiting grooves, and the outer sides are provided with the unlocking holes.

8. The adhesive-free child-resistant paper box according to claim 7, characterized in that: The left side panel and the right side panel both include an inner side panel and an outer side panel which are folded and connected and overlap each other, so that the left side panel and the right side panel both have a double structure, the limiting slot is penetrated through the inner side panel, and the unlocking hole is penetrated through the outer side panel.

9. The adhesive-free child-resistant paper box according to claim 8, characterized in that: The left and right sides of the front side panel are both provided with a first auxiliary fixing plate that is folded and extended backward, and the left and right sides of the rear side panel are both provided with a second auxiliary fixing plate that is folded and extended forward, the first auxiliary fixing plate and the second auxiliary fixing plate are connected front to back and are arranged between the inner side panel and the outer side panel, and a through hole corresponding to the unlocking hole is formed between the first auxiliary fixing plate and the second auxiliary fixing plate.

10. The adhesive-free child-resistant paper box according to claim 9, characterized in that: The adhesive-free child-proof paper box is a corrugated paperboard box, and the folding line between the limiting spring piece and the flip cover is perpendicular to the corrugated direction of the corrugated paperboard.

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