CN210883347U

CN210883347U - Back-off type paper cover

Info

Publication number: CN210883347U
Application number: CN201921519151.2U
Authority: CN
Inventors: 王建平
Original assignee: Zhejaing Discover Machinery Manufacturing Co ltd
Current assignee: Zhejaing Discover Machinery Manufacturing Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-06-30
Anticipated expiration: 2029-09-11

Abstract

A back-off type paper cover comprises a cover body, a reinforcing part and a back-off winding groove. The lid includes the lid end to and lid reason. The reinforcing part is arranged on the cover edge and covers three outer side walls of the cover edge. The inverted winding groove is of a winding structure on the section along the central axis of the cover bottom. The rounded structure is curled toward an outer side of the lid rim, and a central angle of the rounded structure is greater than 190 degrees and less than 210 degrees in a cross section along a central axis of the lid base. Because the reverse-buckling winding groove is curled in the direction of the central shaft at the bottom of the cover, when the paper cover is buckled on the container, the reverse-buckling winding groove is wrapped on the edge of the container. This rib cladding is in on the three lateral wall at lid reason to both kept the intensity of this paper lid and guaranteed the paper lid, avoided its deformation when making this paper lid lock on the container, and when this paper lid was taken by the user on hand, it also can not warp, had high deflection promptly.

Description

Back-off type paper cover

Technical Field

The utility model belongs to the technical field of the packing, especially a back-off formula paper lid.

Background

In daily life, with the rise of the take-out industry, paper bowls and paper cups have become the choice of most take-out shops, are environment-friendly and cheap, and are vigorously promoted by merchants and governments. However, when the paper bowl or paper cup is filled with liquid or solid food to be covered, the used cover is made of plastic, and the use of plastic for manufacturing the cup cover or bowl cover is not in line with the trend and the requirement of the world for environmental protection.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a reverse buckling type paper cover made of paper to satisfy the above requirements.

The back-off paper cover is used for covering a container, and the container comprises a container opening and a curled edge arranged at the container opening. The back-off type paper cover comprises a cover body, a reinforcing part arranged on the cover body and a back-off winding groove arranged on the cover body and the reinforcing part. The cover body comprises a cover bottom and a cover edge extending from the cover bottom. The reinforcing part is arranged on the cover edge and covers three outer side walls of the cover edge. The inverted winding groove is of a winding structure on the section along the central axis of the cover bottom. The rounded structure is curled toward an outer side of the lid rim, and a central angle of the rounded structure is greater than 190 degrees and less than 210 degrees in a cross section along a central axis of the lid base.

Further, an included angle between the extending direction of the cover edge and the central axis of the cover bottom is an acute angle.

Further, the inverted winding groove is integrally formed on the reinforcing part and the cover edge.

Furthermore, the back-off type paper cover also comprises a lead-in part connected with the back-off winding slot, and the lead-in part is arranged at the tail end of the cover edge.

Further, an included angle between the extending direction of the guiding portion and the extending direction of the cover edge is an acute angle.

Further, an included angle between the extending direction of the guiding portion and the central axis of the cover bottom is smaller than 90 degrees.

Furthermore, the back-off type paper cover also comprises a reinforcing rib arranged on the cover bottom, and the reinforcing rib is arranged on the edge of the cover bottom.

Further, on the section along the central axis of the cover bottom, the reinforcing ribs are V-shaped.

Further, on the section along the central axis of the cover bottom, the reinforcing ribs are groove-shaped.

Further, the groove shape is one of a square shape, a U shape, or a circular arc shape.

Furthermore, the reinforcing part also comprises a coating edge coated on the cover bottom, and the coating edge is positioned on the opposite side of the cover edge relative to the cover bottom.

Further, the length of the cladding edge along the radial direction of the cover bottom is smaller than the radius of the cover bottom.

Furthermore, the back-off type paper cover also comprises a suction pipe opening arranged on the cover bottom.

Further, the suction pipe opening is one of a cross-shaped notch, a circular through hole and a hexagonal through hole.

Furthermore, the back-off type paper cover also comprises a drinking port arranged on the cover bottom.

Furthermore, the back-off type paper cover also comprises a trapezoidal table used for being arranged at the water drinking port, and the trapezoidal table is protruded from the cover bottom towards the opposite direction of the cover edge.

Compared with the prior art, the utility model provides a back-off formula paper lid is directed against the turn-up of container has designed the back-off and has rolled up the groove. Because the reverse-buckling winding groove is curled in the direction of the central shaft at the bottom of the cover, when the paper cover is buckled on the container, the reverse-buckling winding groove is wrapped on the edge of the container. Meanwhile, the paper cover is made of paper, such as food-grade paper, in order to keep the stiffness of the paper cover, the cover edge of the paper cover is provided with the reinforcing parts, and the reinforcing parts are coated on the three outer side walls of the cover edge, so that the stiffness of the paper cover is kept, the strength of the paper cover is guaranteed, the paper cover is prevented from deforming when being buckled on a container, and the paper cover cannot deform when being held by a user, namely, the paper cover has high stiffness.

Drawings

Fig. 1 is a schematic cross-sectional view of a flip-chip paper cover according to a first embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the flip-chip paper cover of fig. 1 having a lead-in portion.

Fig. 3 is a schematic cross-sectional view of the paper cover of fig. 1 with reinforcing ribs.

Fig. 4 is a schematic cross-sectional view of the paper cover of fig. 1 with a straw opening.

Fig. 5 is a schematic cross-sectional view of a back-off paper cover according to a second embodiment of the present invention.

Detailed Description

Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.

As shown in fig. 1, it is a schematic structural diagram of a flip-chip type paper cover according to a first embodiment of the present invention. The flip-chip type paper cover is used for covering a container 20. The container 20 comprises a container mouth 21 and a bead 22 arranged on the edge of the container mouth 21. The back-off type paper cover comprises a cover body 10, a reinforcing part 11 arranged on the cover body 10, and a back-off winding groove 12 arranged on the reinforcing part 11. The flip-chip type paper cover may be made of food paper, and the cover body 10 or the reinforcing part 12 may be made of food paper having a grammage of 190 g to 380 g.

The cover 10 includes a cover bottom 101, and a cover rim 102 disposed at an edge of the cover bottom 101 and extending toward a side of the cover bottom 101. The cross section of the cover bottom 101 along the central axis perpendicular to the cover bottom 101 may be any shape such as a circle, a square, a polygon, etc., and it may be designed according to actual requirements, that is, the shape of the container mouth 21 of the container 20. In the embodiment, the cover bottom 101 may be circular along a cross section perpendicular to the central axis of the cover bottom 101 only for explaining the structure and the operation principle of the present invention. The lid rim 102 extends from the edge of the lid base 101. In order to facilitate the cover 101 to be fastened to the container 20, an included angle between the extending direction of the cover rim 102 and the central axis of the cover bottom 101 is an acute angle.

The reinforcement 11 is disposed on the lid edge 102 and covers three outer side walls of the lid edge 102. The reinforcement 11 is provided on the lid rim 102 by an adhesive method.

The inverted rolling groove 12 is disposed at the end of the lid edge 102 by pressing, and specifically, the inverted rolling groove 12 is pressed on the structure formed by the reinforcing part 11 and the lid edge 102, that is, the inverted rolling groove 12 is integrally formed on the reinforcing part 11 and the lid edge 102. The undercut 12 is formed in a circular shape in a cross section along the center axis of the lid bottom 101, and the central angle of the circular shape is greater than 190 degrees and less than 210 degrees, so that the bead 22 provided on the container mouth 21 can be smoothly inserted into the undercut 12. When the central angle of the inverted bead 12 is greater than 190 degrees and less than 210 degrees, it helps to snap and secure the bead 22 of the container 20 in the inverted bead 12.

As shown in fig. 2, the first embodiment provides a flip-chip type paper cover further including a lead-in portion 13. The lead-in portion 13 is provided at the end of the reverse winding groove 12, which also makes the lead-in portion 13, the reverse winding groove 13, and the lid edge 102 integrally formed. The introduction portion 13 serves as a guide when the paper lid is engaged with the container mouth 21 of the container 20. The angle between the direction of extension of the lead-in 13 and the direction of extension of the lid edge 102 is acute. In addition, the included angle between the extending direction of the lead-in part 13 and the central axis of the cover bottom 101 is less than 90 degrees, so that the lead-in part 13 has the lead-in function.

As shown in fig. 3, the paper cover of the reverse-buckled type provided by the first embodiment may further include a reinforcing rib 14. The rib 14 is provided on the lid bottom 101 of the lid body 10 and is located on the opposite side of the lid rim 102 with respect to the lid bottom 101. Preferably, the reinforcing rib 14 is located at the edge of the cover bottom 101. The reinforcing ribs 14 may be V-shaped or groove-shaped in cross section along the central axis of the cover bottom 101. When the reinforcing bead 14 has a groove shape, the groove shape may be one of a square shape, a U shape, or a circular arc shape. In the present embodiment, the reinforcing rib 14 has a V-shape in a cross section along the central axis of the cover bottom 101. During production, the V-shaped or groove-shaped reinforcing rib 14 can be directly pressed out of the lid bottom 101 using a die. The reinforcing ribs 14 can improve the strength of the lid bottom 101, so that the lid bottom 101 is not easily deformed when the lid bottom is used, for example, when the lid bottom is held by hand. Another advantage is that when the paper cover is placed on a bearing surface such as a table top and the cover bottom 101 contacts the bearing surface, the ribs 14 will preferentially contact the bearing surface, so that the contact of the paper cover with the bearing surface changes from surface contact to line contact, thereby making the placement of the paper cover more stable.

As shown in fig. 4, the paper cover of the flip-chip type provided by the first embodiment may further include a suction nozzle 15. The straw opening 15 is disposed on the cover bottom 101 of the cover body 10, and may be one of a cross-shaped notch, a circular through hole, and a hexagonal through hole. Of course, it is conceivable that the nozzle 15 may have other configurations, which may be set according to actual needs. The straw opening 15 is used for inserting a straw through which the liquid in the container 20 is sucked.

Compared with the prior art, the utility model provides a back-off formula paper lid is directed at the turn-up 22 of container 20 has designed back-off book groove 12. Since the reverse winding groove 12 is curled in a direction away from the central axis of the lid bottom 101, the reverse winding groove 12 is covered on the curled edge 22 of the container 20 when the paper lid is fastened to the container 20. Meanwhile, as the paper cover is made of paper, such as food-grade paper, in order to keep the stiffness of the paper cover, the cover edge of the paper cover is provided with the reinforcing part 11, and the reinforcing part 11 is coated on the three outer side walls of the cover edge 102, so that the stiffness of the paper cover is kept and the strength of the paper cover is ensured, the paper cover is prevented from deforming when being buckled on the container 20, and the paper cover cannot deform when being held by a user, namely has high stiffness.

Please refer to fig. 5, which is a schematic structural diagram of a flip-chip paper cover according to a second embodiment of the present invention. The flip-chip type paper cover comprises a cover body 30, a reinforcing part 31 arranged on the cover body 30, a flip-chip winding groove 33 arranged on the reinforcing part 321, a leading-in part 34 connected with the flip-chip winding groove 33, and a drinking port 35 arranged on the cover body 30.

The reverse-buckled type paper cover provided in the second embodiment is different from the reverse-buckled type paper cover provided in the first embodiment in the structure of the reinforcing part 31, and has a drinking hole 35. The reinforcing portion 31 further includes a covering edge 311 covering the bottom of the cover 30. The covering edge 311 is located on the opposite side of the cover edge of the cover 30 relative to the cover bottom. The length of the clad edge 311 in the radial direction of the cover bottom is smaller than the radius of the cover bottom. Preferably, the width of the covered edge 311 is 1mm to 3 mm. The function of the covered edge 311 is the same as the function of the reinforcing rib 14 of the back-up type paper cover provided in the first embodiment.

The drinking port 35 is used for a user to drink water directly through the drinking port 35. Since the cover is covered on the container 20, the cover edge and the reinforcement portion 31 of the cover 30 become a drainage edge. Due to the drainage edge, the liquid in the container can enter the mouth of the user through the drainage edge without leakage when the user drinks water.

The above description is only for the preferred embodiment of the present invention and should not be construed as limiting the scope of the present invention, and any modification, equivalent replacement or improvement within the spirit of the present invention is encompassed by the claims of the present invention.

Claims

1. The utility model provides a back-off formula paper lid for the lid is established on a container, the container includes a container mouth, and one sets up the turn-up of container mouth department, its characterized in that: the back-off formula paper lid includes a lid, and a setting is in rib on the lid, and a setting is in back-off roll up the groove on lid and the rib, the lid includes at the bottom of the lid, and one follows the lid reason that extends at the bottom of the lid, the rib sets up on the lid reason and the cladding on the three lateral wall of lid reason, back-off roll up the groove is following for rolling up the circle structure on the cross-section of the center pin at the bottom of the lid, roll up the circle structure orientation the outside of lid reason is curled, follows on the cross-section of the center pin at the bottom of the lid the central angle of rolling up the circle structure is greater than 190 degrees and is less than 210 degrees.

2. The flip-chip paper cover as set forth in claim 1, wherein: the extending direction of the cover edge and the central axis of the cover bottom form an acute angle.

3. The flip-chip paper cover as set forth in claim 1, wherein: the inverted winding groove is integrally formed on the reinforcing part and the cover edge.

4. The flip-chip paper cover as set forth in claim 1, wherein: the back-off type paper cover further comprises a guiding part connected with the back-off winding groove, and the guiding part is arranged at the tail end of the cover edge.

5. The flip-chip paper cover of claim 4, wherein: the included angle between the extending direction of the leading-in part and the extending direction of the cover edge is an acute angle.

6. The flip-chip paper cover of claim 4, wherein: the included angle between the extending direction of the leading-in part and the central axis of the cover bottom is smaller than 90 degrees.

7. The flip-chip paper cover as set forth in claim 1, wherein: the back-off type paper cover also comprises a reinforcing rib arranged on the cover bottom, and the reinforcing rib is arranged on the edge of the cover bottom.

8. The flip-chip paper cover of claim 7, wherein: and on the section along the central axis of the cover bottom, the reinforcing rib is V-shaped.

9. The flip-chip paper cover of claim 7, wherein: and on the section along the central axis of the cover bottom, the reinforcing ribs are in a groove shape.

10. The flip-chip paper cover of claim 9, wherein: the groove shape is one of a square shape, a U-shape or an arc shape.

11. The flip-chip paper cover as set forth in claim 1, wherein: the reinforcing part further comprises a coating edge coated on the cover bottom, and the coating edge is located on the opposite side, opposite to the cover bottom, of the cover edge.

12. The flip-chip paper cover of claim 11, wherein: the length of the cladding edge in the radial direction of the cover bottom is smaller than the radius of the cover bottom.

13. The flip-chip paper cover as set forth in claim 1, wherein: the back-off type paper cover also comprises a suction pipe opening arranged on the cover bottom.

14. The flip-chip paper cover of claim 13, wherein: the suction pipe opening is one of a cross-shaped notch, a circular through hole and a hexagonal through hole.

15. The flip-chip paper cover as set forth in claim 1, wherein: the back-off type paper cover also comprises a drinking port arranged on the cover bottom.

16. The flip-chip paper cover of claim 15, wherein: the back-off type paper cover further comprises a trapezoidal table used for being arranged at the water drinking port, and the trapezoidal table is protruded towards the opposite direction of the cover edge from the cover bottom.