CN221091978U - Antitheft plastic bottle cap - Google Patents

Abstract

The utility model discloses an anti-theft plastic bottle cap, which relates to the technical field of plastic bottle caps and comprises a cap body, a connecting bridge and an anti-theft ring, wherein the cap body and the anti-theft ring are fixed through the connecting bridge, the inner side wall of the cap body is provided with an internal thread, the inner side wall of the anti-theft ring is provided with a plurality of anti-theft buckles, the inner top wall of the cap body is fixedly provided with a sealing ring plug, the inner top wall of the sealing ring plug is fixedly provided with a sealing gasket, the outer wall of the sealing ring plug is integrally formed with a first sealing bulge, and the upper part of the inner side wall of the cap body is integrally formed with a second sealing bulge.

Description

Antitheft plastic bottle cap

Technical Field

The utility model relates to the technical field of plastic bottle caps, in particular to an anti-theft plastic bottle cap.

Background

In the prior art, a plastic bottle cap mostly comprises a cap base body and a pre-separating body, the cap base body is connected with the pre-separating body through a small rib, a crescent inward expansion pinna is arranged at the inner side of a cap foot of the pre-separating body, the crescent inward expansion pinna is used for enabling the cap foot of the pre-separating body to lock a bottle mouth, but the crescent structure is generally distributed on the pre-separating body at intervals, the crescent inward expansion pinna of the structure is insufficient in locking force, a tool such as a thin blade is used for prying outwards along the periphery of a front pinna, the bottle cap can be taken down from the bottle without damaging any part of the plastic bottle cap, the sealing effect is not ideal, a guide device is not arranged on the crescent inward expansion pinna, when the bottle cap is screwed, the bottle cap is often twisted, the sealing effect is poor, and reworking is formed

The prior Chinese patent (bulletin number: CN 202193283U) proposes an anti-theft sealing plastic bottle cap, which comprises a cap base body and a pre-separating body, wherein the inner side of the bottom end of the pre-separating body is provided with an inner folding plate which is a continuous folding plate, the included angle between the inner folding plate and the horizontal direction is 00-150, the inner folding plate is elastic and can be folded inwards under stress, the inner folding plate is provided with a guiding bulge which is an inverted triangle bulge and is matched with the neck of the bottle mouth, the anti-theft effect is good, the inner folding plate is provided with the guiding bulge which is matched with the neck of the bottle mouth, when the bottle cap is screwed tightly, the bottle cap can be screwed tightly very easily, the rework rate is low, and the sealing effect is good.

The anti-theft sealing plastic bottle cap has the following defects when in use: the bottle lid is sealed mainly through the screw thread that sets up between with the body, and seal structure is comparatively single, in the transportation, and the liquid of splendid attire in the body produces stronger impact force to the bottle lid easily to and striking each other between each bottle produces great pressure to the bottle lid, leads to covering deformation easily and becomes flexible or take off, makes the bottle lid become flexible and leads to the liquid leakage in the bottle, and for this reason, we propose an theftproof plastic bottle lid and solve above-mentioned problem.

Disclosure of utility model

The utility model provides an anti-theft plastic bottle cap, which solves the technical problems that the bottle cap is sealed by threads arranged between the bottle cap and a bottle body, the sealing structure is single, the liquid contained in the bottle body is easy to generate strong impact force on the bottle cap in the transportation process, and the bottles mutually collide to generate large pressure on the bottle cap, so that the cap is easy to deform and loosen or loosen, and the liquid in the bottle is easy to leak due to the loosening of the bottle cap.

In order to solve the technical problems, the anti-theft plastic bottle cap comprises a cap body, a connecting bridge and an anti-theft ring, wherein the cap body and the anti-theft ring are fixed through the connecting bridge, an inner thread is arranged on the inner side wall of the cap body, a plurality of anti-theft buckles are arranged on the inner side wall of the anti-theft ring, a sealing ring plug is fixedly arranged on the inner top wall of the cap body, a sealing gasket is fixedly arranged on the inner top wall of the sealing ring plug, a first sealing bulge is integrally formed on the outer wall of the sealing ring plug, and a second sealing bulge is integrally formed on the upper portion of the inner side wall of the cap body.

Preferably, the sealing ring plug is of a straight cylindrical structure, and the first sealing protrusions are symmetrically arranged on the outer ring surface of the sealing ring plug.

Preferably, a plurality of blocking edges are arranged on the inner wall of the sealing ring plug, and the blocking edges are arranged in a circumferential array.

Preferably, the sealing gasket is made of rubber, and the bottom surface of the sealing gasket is attached to the top surface of the blocking edge.

Preferably, the outer wall of the cover body is fixedly connected with an anti-slip ring, and the outer surface of the anti-slip ring is integrally formed with anti-slip lines.

Preferably, the outer wall of the anti-theft ring is provided with an annular groove, an annular ring is rotatably arranged in the annular groove, the outer surface of the annular ring is integrally formed with an identification mark, and the lower part of the outer surface of the anti-theft ring is provided with an indication arrow.

Preferably, the annular ring is integrally formed with a plurality of convex teeth, the convex teeth are arranged on the bottom surface of the annular ring in an annular array, and grooves for the convex teeth to be clamped in are formed in the inner bottom surface of the annular groove.

Compared with the related art, the anti-theft plastic bottle cap provided by the utility model has the following beneficial effects:

according to the utility model, when the bottle cap is covered with the bottle mouth, the upper edge of the bottle mouth is embedded into the gap between the outer wall of the sealing ring plug and the inner wall of the bottle mouth, the first sealing bulge and the second sealing bulge formed by outwards bulge are tightly attached to the inner wall and the outer wall of the bottle mouth, meanwhile, the sealing ring plug is tightly attached to the inner wall of the bottle mouth, and when the bottle cap is screwed, the top of the bottle mouth is abutted to the bottom of the sealing liner, so that triple sealing between the bottle cap and the bottle mouth is achieved, and the sealing performance and the leakage-proof performance of the bottle cap are improved.

According to the utility model, the corresponding identification mark can be corresponding to the indication arrow through rotating the annular ring, so that the cover body has the identification effect, and which bottle is self can be distinguished according to the preset identification mark of each person, thereby preventing the residual beverage of the person drinking by mistake from generating cross infection among each other, and avoiding waste caused by discarding the beverage when the person afraid of infection.

Drawings

FIG. 1 is a schematic perspective view of an anti-theft plastic bottle cap;

FIG. 2 is a schematic perspective view of an anti-theft plastic bottle cap;

FIG. 3 is a schematic elevational view of an anti-theft plastic bottle cap;

Fig. 4 is a schematic diagram showing a cross-sectional front view of an anti-theft plastic bottle cap.

Reference numerals in the drawings: 1. a cover body; 2. a connecting bridge; 3. an anti-theft ring; 4. anti-theft buckle; 5. an anti-slip ring; 6. an internal thread; 7. a seal ring plug; 8. a sealing gasket; 9. a blocking edge; 10. a first sealing protrusion; 11. a second sealing protrusion; 12. an annular groove; 13. an annular ring; 14. an indication arrow; 15. identifying a mark; 16. convex teeth; 17. a groove.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

1-4, An anti-theft plastic bottle cap comprises a cap body 1, a connecting bridge 2 and an anti-theft ring 3, wherein the cap body 1 and the anti-theft ring 3 are fixed through the connecting bridge 2, the inner side wall of the cap body 1 is provided with an internal thread 6, the inner side wall of the anti-theft ring 3 is provided with a plurality of anti-theft buckles 4, the inner top wall of the cap body 1 is fixedly provided with a sealing ring plug 7, the inner top wall of the sealing ring plug 7 is fixedly provided with a sealing gasket 8, the outer wall of the sealing ring plug 7 is integrally formed with a first sealing bulge 10, and the upper part of the inner side wall of the cap body 1 is integrally formed with a second sealing bulge 11;

When the bottle cap is tightly covered by the bottle cap, the upper edge of the bottle cap is embedded into a gap between the outer wall of the sealing ring plug 7 and the inner wall of the bottle cap 1, the first sealing bulge 10 and the second sealing bulge 11 formed by the outward bulges are tightly attached to the inner wall and the outer wall of the bottle cap, meanwhile, the sealing ring plug 7 is tightly attached to the inner wall of the bottle cap, and when the bottle cap is tightly screwed, the top of the bottle cap is abutted to the bottom of the sealing gasket 8, so that triple sealing between the bottle cap 1 and the bottle cap is achieved, and the sealing performance and the leakage-proof performance of the bottle cap 1 are improved.

In addition, in order to improve the sealing performance of the seal ring plug 7, the seal ring plug 7 is of a straight cylindrical structure, and the first seal protrusions 10 are symmetrically arranged on the outer ring surface of the seal ring plug 7.

In addition, in order to improve the stability of the installation of the sealing gasket 8, a plurality of blocking edges 9 are arranged on the inner wall of the sealing ring plug 7, and the blocking edges 9 are arranged in a circumferential array.

In addition, in order to improve the overall sealing effect of the sealing gasket 8, the sealing gasket 8 is made of rubber, and the bottom surface of the sealing gasket 8 is attached to the top surface of the blocking edge 9.

In addition, in order to increase the frictional force of lid 1 surface, fixedly connected with anti-skidding ring 5 on the outer wall of lid 1, the surface integrated into one piece of anti-skidding ring 5 has anti-skidding line.

1-4, On the basis of the first embodiment, an annular groove 12 is formed in the outer wall of the anti-theft ring 3, an annular ring 13 is rotatably installed in the annular groove 12, an identification mark 15 is integrally formed on the outer surface of the annular ring 13, and an indication arrow 14 is arranged at the lower part of the outer surface of the anti-theft ring 3;

In specific implementation, the corresponding identification mark 15 can be corresponding to the indication arrow 14 by rotating the annular ring 13, so that the cover body 1 has the identification effect, and which bottle is self can be distinguished according to the preset identification mark 15 of each person, thereby preventing the residual beverage of the person drinking by mistake from generating cross infection among each other, and avoiding waste caused by the fact that the person afraid of infection discards the beverage.

The annular ring 13 is integrally formed with a plurality of convex teeth 16, the convex teeth 16 are arranged on the bottom surface of the annular ring 13 in an annular array, and the inner bottom surface of the annular groove 12 is provided with a groove 17 for the convex teeth 16 to be clamped in;

In specific implementation, the dial-up annular ring 13 can enable the convex teeth 16 to be separated from the inside of the groove 17, so that the annular ring 13 can rotate freely in the annular groove 12, the annular ring 13 can be limited through the cooperation of the convex teeth 16 and the groove 17, and the condition that the annular ring 13 rotates in the annular groove 12 is prevented.

Working principle: in the use, when lid 1 and bottleneck lid, in the clearance between the upper edge embedding sealing ring stopper 7 outer wall of bottleneck and the lid 1 inner wall, outside protruding first sealed protruding 10 and the outer wall of forming of second sealed protruding 11 and bottleneck tightly laminate, sealing ring stopper 7 and the inner wall of bottleneck closely laminate simultaneously, and when the bottle lid was screwed, the top and the bottom butt of sealing liner 8 of bottleneck to reach the triple seal of lid 1 and bottleneck, improved the leakproofness and the leak protection performance of lid 1.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides an anti-theft plastic bottle lid, includes lid (1), connecting bridge (2) and anti-theft ring (3), it is fixed through connecting bridge (2) between lid (1) and anti-theft ring (3), the inside wall of lid (1) is provided with internal thread (6), the inside wall of anti-theft ring (3) is provided with a plurality of theftproof knot (4), a serial communication port, the interior roof fixed mounting of lid (1) has sealing ring stopper (7), the interior roof fixed mounting of sealing ring stopper (7) has sealed liner (8), the outer wall integrated into one piece of sealing ring stopper (7) has first sealed arch (10), the upper portion integrated into one piece of lid (1) inside wall has second sealed arch (11).

2. The antitheft plastic bottle cap according to claim 1, wherein the sealing ring plug (7) is of a straight cylindrical structure, and the first sealing protrusions (10) are symmetrically arranged on the outer annular surface of the sealing ring plug (7).

3. The antitheft plastic bottle cap according to claim 1, wherein a plurality of blocking edges (9) are arranged on the inner wall of the sealing ring plug (7), and a plurality of blocking edges (9) are arranged in a circumferential array.

4. A tamper evident plastic closure as claimed in claim 3, wherein the sealing liner (8) is made of rubber, and the bottom surface of the sealing liner (8) is attached to the top surface of the skirt (9).

5. The anti-theft plastic bottle cap according to claim 1, wherein an anti-slip ring (5) is fixedly connected to the outer wall of the cap body (1), and anti-slip lines are integrally formed on the outer surface of the anti-slip ring (5).

6. The antitheft plastic bottle cap according to claim 1, wherein an annular groove (12) is formed in the outer wall of the antitheft ring (3), an annular ring (13) is rotatably installed in the annular groove (12), an identification mark (15) is integrally formed on the outer surface of the annular ring (13), and an indication arrow (14) is arranged at the lower part of the outer surface of the antitheft ring (3).

7. The antitheft plastic bottle cap according to claim 6, wherein a plurality of convex teeth (16) are integrally formed on the annular ring (13), the convex teeth (16) are arranged on the bottom surface of the annular ring (13) in an annular array, and a groove (17) for the convex teeth (16) to be clamped in is formed in the inner bottom surface of the annular groove (12).