CN2305379Y - Bottle mouth sealing structure - Google Patents

Abstract

The utility model discloses a bottle mouth sealing structure for a bottle can, wherein a sealing sheet is mainly arranged at the top end of the bottle neck, a V-shaped notch is arranged at the boundary between the sealing sheet and the bottle neck, a film is connected to the sealing sheet and the bottle neck at the end of the notch, a plurality of integrally formed connecting bodies are arranged on the top surface of the sealing sheet along the edge of the notch, the top end of the connecting body is fused and combined with the bottle cap as a whole, and when the bottle cap is unscrewed, the connecting body transmits torsional force and tensile force to the film of the sealing sheet as the bottle cap rotates and rises, tensile stress and shear stress are generated at the film to generate synthetic stress that destroys the film, and the sealing sheet can be opened synchronously.

Description

Bottle mouth sealing structure

The utility model relates to a structure improvement of a sealed bottle mouth, in particular to a bottle mouth sealing structure of a bottle can.

Due to the convenience of carrying and storage, bottle and can packaging is actually one of the indispensable commodities in daily life, such as filling and packaging of various beverages, edible oil, soy sauce, industrial oil, etc. However, the above-mentioned filling materials are in After the factory fills, the bottle parts are sealed and packaged to ensure that the freshness of the filling is within the preset date and to avoid the deterioration of the filling. After the consumer purchases, the bottle cap is sealed and opened for use, as shown in Figure 17 Paper beverage packaging bottle and can 1 has a mouth 2 at the top of it, which can be opened by consumers to pour out the contained beverage. Please refer to Figures 18 and 19. The mouth 2 mainly includes a bottle cap 21, a neck 22, Sealing sheet 23 and a pull ring 24 etc. are formed, and wherein the bottom root of pull ring 24 and sealing sheet 23 integrally formed, sealing sheet 23 closes the bottleneck 25 of bottle neck 22, the extension ring of sealing sheet 23 and the inner peripheral edge of bottle neck 22 221 is integrally formed, and the bottom surface between the extension ring 221 and the sealing sheet 23 is provided with a V-shaped and ring-shaped notch 26, and a film 261 of appropriate thickness is reserved at the top of the notch 26 extending with its angle, and the film 261 is connected and sealed. sheet 23 and extension ring 221 to achieve the effect of sealing the bottle mouth 25; when the bottle mouth 25 is to be opened, the pull ring 24 can be pulled, so that the tensile stress is concentrated on the position of the film 261 to produce tensile damage, so that the sealing sheet 23 is separated from the extension ring 221 And open the bottle mouth 25; Yet this type of ring-pull type structure does exist the following disadvantages in use:

1. The user must unscrew the bottle cap 21 and then pull the pull ring 24 with his fingers, so that the sealing sheet 23 can be separated from the bottle mouth 25 and opened. This requires an additional procedure and is time-consuming.

2. The aperture of the ring opening of the pull ring 24 is limited by the inner diameter of the bottle neck 22, so the size of the ring aperture is limited. However, consumers have different finger circumferences, and those with smaller finger circumferences can smoothly extend into the pull ring 24 Pull the pull ring 24 inwardly. If the finger circumference is larger, it cannot be inserted into the draw ring 24, and even the size of the bottle mouth cannot be inserted by the finger, which will cause difficulty in opening the sealing sheet 28. Consumers often use thin sticks or other tools to wear the seal. Enter and hook pull ring 24, cause the inconvenience in use.

3. Generally, consumers often use too much force when pulling the pull ring 24, and the instantaneous pulling force is too large. The pull ring 24 is broken and damaged before the film 261 is torn, so the sealing sheet 23 cannot be opened. Difficulty, the consumer must use a pliers-like tool to clamp the pull ring 24 and pull it apart, or use a thin rod, a pointed object or a knife-like tool to puncture the sealing sheet 23, so as to achieve the purpose of opening, but in If the force on the stabbing knife path is too small, it will not be able to open. If the force of the stabbing is too large, it is very easy to cause a thin stick to be inserted and cause pollution, and even the drink may be spilled.

4. When the consumer pulls the pull ring 24 and the sealing sheet 23 is torn and opened, the bottle can 1 is very likely to shake and cause the beverage inside to spill out.

5. After the pull ring 24 is pulled, the pull ring 24 and the sealing sheet 23 are separated from the extension ring 221 to form an independent individual. Because the pull ring 24 is small in size, it is easy to be eaten by ignorant young children, or tourists in the zoo. Discarded and eaten by mistake, causing life-threatening regret.

6. The small pull ring 24 is easy to be ignored and discarded arbitrarily, which not only creates garbage, causes environmental burden, but also causes a dead end for resource recovery, which is the main reason for the low recovery rate of the pull ring 24.

The main purpose of the utility model is to provide a mouth sealing structure for bottles and cans, which can be detached and opened synchronously with the unscrewing of the bottle cap, and after the detachment is opened, it is still connected with the bottle cap by the connecting body without detachment. It can avoid being accidentally eaten and discarded at will. At the same time, it can be recycled along with the bottle cap resources to reduce the waste of resources and increase the recovery rate to avoid environmental pollution.

In order to achieve the above purpose, the utility model is located on the top of the bottle, including: the neck, the cap, the sealing piece and other components, the base at the bottom of the neck is integrated with the bottle, and the outer edge is provided with external threads; the cap is screwed on On the neck of the bottle: the sealing sheet is set at the mouth of the bottle neck and integrally formed with the bottle neck, and adjacent to the bottleneck is provided with a V-shaped ring cut in section, so that the sealing sheet and the bottleneck are only connected with a film, and the sealing sheet is adjacent A connecting body is formed on the annular edge of the film, and the other end of the connecting body is consolidated with the bottle cap as a whole.

The connecting body of the utility model forms more than one columnar structure on the annular edge of the film, or forms a hollow tubular structure on the annular edge of the film, and the other end is consolidated with the bottle cap as a whole.

And the other end of the columnar connecting body of the utility model is provided with a hook body with a narrow upper part and a wider lower part; and the center of the bottle cap is provided with a step-shaped accommodation hole, and an annular flange is arranged inside the accommodation hole, and the ring-shaped flange and the connecting body The outer bottom of the hook body abuts, and a fastening piece is embedded in the accommodating hole. The neck of the fastening piece forms a cone corresponding to the hook body and fits with the inner bottom end of the hook body, while the cap on the top of the fastening piece The body gland is on the top of the hook body, and a colloid accommodation space is reserved between the outer edge of the fastening piece and the bottle cap accommodation hole, so that the bottle cap, the fastening piece and the connecting body can be thermally melted and consolidated into one body.

The columnar connecting body of the utility model is directly embedded in the slot hole reserved at the top of the bottle cap, and is adjacent to the top of the bottle cap, or is lower than the top of the bottle cap to reserve a space for colloid, so that the bottle cap and the connecting body can be hot-melted and consolidated into one body. .

The V-shaped annular notch of the utility model can also be set on the bottleneck near the bottle mouth and lower than the sealing sheet. The sealing sheet and the bottleneck are only connected and adjacent by a film, and more than one raised connecting body is formed on the annular edge of the film. A slot is reserved on the bottle cap corresponding to the connection body; the bottle cap is screwed to the neck of the bottle, and the convex connection body is embedded in the slot on the bottle cap, which facilitates the glue injection and consolidation of the bottle cap and the connection body.

The raised connecting body of the utility model can also be extended on the periphery of the bottleneck to form a ring-shaped connecting body; the cover body is separated into a horizontal upper dish cover and a vertical bottle cap body, and the height of the bottle cap body is equal to the distance from the bottom of the bottleneck to the bottom edge of the ring-shaped connecting body , after the bottle cap body is screwed and the upper dish lid is covered, a ring groove is formed between the two, which is convenient for the upper dish lid, the bottle cap body and the annular connecting body to be glued and consolidated into one.

With the above-mentioned structure, the utility model can make the bottle cap and the sealing sheet connected as a whole through the connecting body. When in use, the bottle cap is unscrewed and the sealing sheet is opened synchronously. It has the following effects during use:

1. When the bottle cap is unscrewed, the sealing sheet and the film of the neck of the bottle can be simultaneously torn and opened. For consumers, the step of pulling the ring is omitted, which is more convenient to use.

2. When the bottle cap is unscrewed, the interlocking body will generate torsion and tension on the sealing sheet, and the combined effect of the double stress of tensile stress and shear stress on the film will have a better tearing effect on the film.

3. When the bottle cap is unscrewed, the sealing sheet is opened synchronously, and the screw force of opening the sealing sheet is completely generated when the bottle cap is unscrewed, so that the opening of the sealing sheet is relatively stable, and there will be no jittering and splashing after the conventional pull ring is pulled. The case of spilled drinks. After the sealing sheet is opened and separated from the bottleneck, it is integrated with the bottle cap along with the connecting body. It will not be neglected and discarded due to its small size, and can be recycled and reused together with the bottle cap to reduce the burden on environmental protection. The opening of the sealing sheet will not be limited by the size of the finger, and the connecting body will not be pulled and broken, which improves the shortcomings of the conventional pull ring.

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Fig. 1 is a three-dimensional cross-sectional view of the connection body of the present invention, the sealing sheet and the bottle cap;

Fig. 2A is a combined cross-sectional view of the connecting body of the present invention, the sealing sheet and the bottle cap;

Fig. 2B is a partial combined cross-sectional view of the joint body of the present invention, the sealing sheet and the bottle cap;

Fig. 3 is a three-dimensional cross-sectional view of the connecting body of the present invention in which the connecting body is set as a hollow tube;

Fig. 4 is a cross-sectional view of the combination of the connecting body and the fastening part of the present invention;

Fig. 5 is a schematic diagram of the action of fitting and assembling the connecting body and the fastening part of the utility model;

Fig. 6 is a schematic diagram of the joint assembly and solidification welding of the connecting body and the fastening part of the present utility model;

Fig. 7 is the schematic diagram of welding of the connecting body and the bottle cap of the utility model;

Fig. 8 is a three-dimensional appearance view of the bottle cap of the present invention;

Fig. 9 is a schematic plan view of a bottle cap injected with a hot melt adhesive fusion bonded body and a bottle cap;

Fig. 10 is a perspective view of the bottle cap;

Fig. 11 is a diagram of another embodiment of the fitting of the fastener and the connecting body;

Fig. 12 is a diagram of an embodiment of the fusion of the fastener and the connecting body with the hot melt adhesive;

Fig. 13 is another embodiment diagram of the sealing structure of the present invention;

Figure 14 is a combined sectional view of Figure 13;

Fig. 15 is a perspective view of another embodiment of the fusion of the bottle cap and connecting body of the present invention;

Figure 16 is a combined sectional view of Figure 15;

Fig. 17 is a three-dimensional appearance view of a conventional bottle;

Fig. 18 is a perspective view of a conventional bottle mouth;

Fig. 19 is a sectional view of a conventional bottle mouth.

First please refer to Fig. 1, 2A, 2B, the utility model is mainly located at the top position of the bottle can 1, including: bottle top 31, bottle cap 32 and other components.

The base 311 at the bottom of the bottle neck 31 is fixed (or integrally formed) with the bottle can 1, and the outer edge of the bottle neck 31 is provided with external threads. The bottle cap 32 is screwed on the aforementioned bottleneck 31. A leak-proof ring 39 is provided in the bottle cap 32. The end of the leak-proof 39 extends into the appropriate depth of the bottle mouth 33 to seal the bottle mouth 33 and prevent the sealing sheet 34 from opening. To cause leakage, the sealing sheet 34 is located at the bottleneck 33 of the bottleneck 31 and is integrally formed with the bottleneck 31. It is provided with a section adjacent to the bottleneck 31 and presents a V-shaped annular notch 35, so that the sealing sheet 34 is in contact with the bottleneck 31. Only a film 36 is connected, and the sealing sheet 34 is adjacent to the annular edge of the film 36 to form a connecting body 37, and the other end of the connecting body 37 is consolidated with the bottle cap 32 as a whole. The connecting body 37 forms more than one columnar structure on the annular edge of the film 36, and its other end is consolidated with the bottle cap 32 as a whole.

Please continue to refer to Figures 1, 2A, and 2B. When the consumer first wants to open the bottle 1 and rotate the bottle cap 32, because the bottle cap 32 and the connecting body 37 are fused together, there will be resistance to rotation, and the user can detect Knowing that this bottle can 1 has not been opened, also can be separated from the bottle cap 32 by the safety buckle 38 of bottle cap 32 (bottle cap 32 is opened and unscrewed after safety buckle 38 is blocked by external thread and can not follow bottle cap 32 unscrew), under the double insurance, check whether the bottle cap 32 has been unscrewed; when the user wants to unscrew the bottle cap 32, he needs to rotate it slightly, and the bottle cap 32 rotates and climbs along with the thread, and the connecting body 37 follows the screw thread. The bottle cap 32 rotates to generate torsion and is subjected to stretching, and its torsion and pulling force are transmitted to the sealing sheet 34, and the sealing sheet 34 is subjected to the effect of the torsion to generate shear stress and to be subjected to tensile stress due to tension, and the pulling and shear stress will be in Stress concentration occurs at the position of the film 36 of the notch 35. When the combination of tensile force and shear stress exceeds the yield strength of the film 36, the film 36 will be damaged by the tensile stress or shear stress and tear. 32 is unscrewed so that the sealing sheet 34 is separated from the bottleneck 31, and the bottle mouth 33 can be opened, that is, the sealing sheet 34 is opened synchronously while the bottle cap 32 is unscrewed, and the sealed packaging of the bottle mouth 33 is released, which saves time and can be used by rotating the bottle. The shear force and tensile stress generated by the torsion and tension generated by the cover 32 can save effort, and the sealing sheet 34 can be easily opened, which solves the problem that the traditional pull ring 24 is pulled hard and shakes when it is opened, causing the beverage inside to spill out. and the sealing sheet 34 will not be separated from the connecting body 37 and the bottle cap 32 as a whole, and will not be discarded arbitrarily due to its small size, and can be resourced as the bottle cap 32 is screwed into the bottle jar 1 Recycle.

In addition, please refer to shown in Figure 3, except that the connecting body 37 connecting the sealing sheet 34 and the bottle cap 32 can be set as more than one columnar structure, it can also form a hollow structure along the annular edge of the film 36, The other end of the connection body 37 is integrated with the bottle cap 32; the rigidity of the hollow tubular structure connection body 37 is better than that of the columnar structure connection body 37, so it can be applied to the bottle can 1 with a larger bottle mouth diameter.

(1) Embedding embodiment of connecting body and bottle cap:

Please refer to Fig. 4, which is an embodiment of the utility model columnar connecting body 37 and the bottle cap 32 fitting, as shown in the figure, the other end of the connecting body 37 is provided with a hook body 371 with a narrow top and a wide bottom; the aforementioned bottle cap 32 is provided with a step-shaped accommodation hole 321 in the center, and an annular flange 322 is arranged inside the accommodation hole 321, and the annular flange 322 abuts against the outer bottom end of the hook body 371 of the connecting body 37; the accommodation hole 321 is embedded A fastening part 41, the neck part 412 of the fastening part 41 forms a cone corresponding to the shape of the aforementioned hook body 371, so as to produce the effect of airtight engagement. The fastening body 411 is embedded in the hook body 371, fitted with the bottom end of the inner side of the hook body 371, and clamps the hook body 371 with the cap body 413 at the top of the fastening part 41, so that the bottle cap 32 and the connecting body 37 are embedded into one body, making the connection The body 37 moves together with the bottle cap 32; the contact part of the cap body 413 and the hook body 371 can be melted together by the high-speed vibration generated by the ultrasonic machine, and the strength of their combination is enhanced.

(2) For the embodiment of the welding of the connecting body and the bottle cap, please refer to Figures 5 and 6. When the hook body 371 at the top of the columnar connecting body 37 is embedded in the hook body 371 with the fastening piece 41, the top end of the hook body 371 is adjacent to the bottle. At the top of the cap, the bottle cap 32, the fastening piece 41 and the hook body 371 are melted and solidified by the fusion joint (or ultrasonic machine), so that the bottle cap 32 and the connecting body 37 are fused together and linked together.

(3) The way of direct welding between the connecting body and the bottle cap: please refer to Figs. The joint body 37 and the bottle cap 32 are thermally melted and consolidated into one by the welding joint 5 (or ultrasonic machine).

(4) Inject hot melt adhesive or resin into the embodiment of connecting body and bottle cap; Please refer to shown in Fig. The top is low, and a colloid accommodation space is reserved. The injection head 6 can inject hot melt adhesive or resin into the colloid accommodation space, and the bottle cap 32 and the connecting body 37 are welded by the solidified hot melt adhesive or resin, or matched with a buckle. Part 41 and hot-melt adhesive (or tree finger) double-composite combination, as shown in Figures 11 and 12, the hook body 371 at the top of the connecting body 37 and the top surface of the bottle cap 32 and the fastening part 41 retain a suitable In the space, after the fastening part 41 is embedded, the injection head 6 injects hot melt glue or fingers into the space, so as to achieve the effect of fitting buckle and hot melt glue or resin bonding.

Please refer to Fig. 13 and shown in 14, which is another embodiment of the bottle mouth 7 of the present invention. The base 701 at the bottom of the bottleneck 71 is integrated with the bottle can 1, and the outer edge of the tool is provided with external threads; the bottle cap 75 is screwed. Fixed on the aforementioned bottleneck 71; the sealing sheet 74 is arranged at the bottleneck 72 of the bottleneck 71, and is integrally formed with the bottleneck 71, and the V-shaped annular notch 73 is arranged on the bottleneck 71 near the bottleneck 72 and lower than the sealing sheet 74 On, so that the sealing sheet 74 and the bottle neck 71 are only connected and adjacent by a thin film 731, the annular edge of the thin film 731 forms more than one raised connecting body 76, and the bottle cap 75 reserves a slot 751 corresponding to the position of the aforementioned connecting body 76; When the bottle cap 75 is screwed onto the bottleneck 71, the protruding connecting body 76 is inserted into the slot 751 on the bottle cap 75, and hot-melt adhesive or resin is injected into the slot 751 to make the bottle cap 75, the sealing sheet 74 and the connecting body 76 are welded together, thus, the torsional force and the pulling force produced while unscrewing the bottle cap 75 can simultaneously tear open the film 731 of the sealing sheet 74.

Please refer to Figures 15 and 16, wherein the protruding connecting body 85 extends around the neck of the bottle to form a ring-shaped connecting body 85; the bottle cap 81 is separated into a horizontal upper dish cover 811 and a vertical bottle cap body 812, and the height of the bottle cap body 812 is the same as The distance from the bottom of the aforementioned bottleneck 82 to the bottom edge of the annular connecting body 85 is equal. After screwing the bottle cap body 812 and covering the upper dish cover 811, a ring groove 83 is formed between the two to facilitate the connection between the upper dish cover 811, the bottle cap body 812 and the ring. The shape connecting body 85 is injected with hot melt adhesive or resin to form a whole.

Claims (9)

1. A sealing structure for the bottle mouth of a bottle, which is set on the top of the bottle, including: a bottle neck, a bottle cap and a sealing piece, etc., the base at the bottom of the bottle neck is integrated with the bottle, and the outer edge is provided with external threads; The cap screw is fixed on the neck of the bottle; the sealing sheet is set at the mouth of the bottle neck and integrally formed with the bottle neck, and the section adjacent to the bottleneck is provided with a V-shaped ring cut, so that the sealing sheet and the bottleneck are only connected by a thin film. It is characterized in that: a connecting body is formed on the ring-shaped edge of the sealing sheet adjacent to the film, and the other end of the connecting body is solidified with the bottle cap as a whole. 2. The mouth sealing structure of bottle cans according to claim 1, characterized in that: the connecting body forms more than one columnar structure on the annular edge of the film, and the other end is consolidated with the bottle cap as a whole. 3. The mouth sealing structure of bottle cans according to claim 1, characterized in that: the connection body forms a hollow tubular structure on the annular edge of the film, and the other end is consolidated with the bottle cap. 4. The mouth sealing structure of bottle cans according to claim 2, characterized in that: the other end of the columnar connecting body is provided with a hook with a narrow upper part and a wider lower part; A ring-shaped flange is provided inside the hole, and the ring-shaped flange abuts against the outer bottom end of the hook body of the connecting body. A fastening piece is embedded in the accommodating hole, and the neck of the fastening piece forms a cone shape corresponding to the hook body. And it is fitted with the inner bottom end of the hook body, and the cap body at the top of the fastening part is pressed on the top end of the hook body. 5. The mouth sealing structure of bottle cans according to claim 2, characterized in that: the other end of the columnar connecting body is provided with a hook with a narrow upper part and a wider lower part; A ring-shaped flange is provided inside the hole, and the ring-shaped flange abuts against the outer bottom end of the hook body of the connecting body. A fastening piece is embedded in the accommodating hole, and the neck of the fastening piece forms a cone corresponding to the hook body. , and fit with the inner bottom end of the hook body, and reserve a colloid accommodation space between the outer edge of the fastening piece and the bottle cap accommodation hole. 6. The sealing structure for the mouth of a bottle and can according to claim 2, wherein the columnar connecting body is directly embedded in a slot reserved at the top of the bottle cap and is adjacent to the top of the bottle cap. 7. The sealing structure of the mouth of the bottle and can according to claim 2, characterized in that: the columnar connecting body is directly embedded in the slot reserved at the top of the bottle cap, and is lower than the top of the bottle cap, leaving a space for colloid . 8. A sealing structure for the bottle mouth of a bottle, which is set on the top of the bottle, including: a bottle neck, a bottle cap, a sealing sheet and other components, the base at the bottom of the bottle neck is integrated with the bottle, and the outer edge is provided with external threads; The cap screw is fixed on the neck of the bottle; the sealing sheet is set at the mouth of the bottle neck and the bottleneck is integrally formed, and the feature is that: the V-shaped annular scoring ring is set on the bottleneck near the bottle mouth and lower than the sealing sheet, and the sealing sheet and the bottleneck Only one film is connected and adjacent, and more than one protruding connecting body is formed on the annular edge of the film, and a slot is reserved on the corresponding connecting body position of the bottle cap; the bottle cap is screwed to the neck of the bottle, and the raised connecting body is embedded in the bottle cap on the slot. 9. The mouth sealing structure of bottle cans according to claim 8, characterized in that: the protrusion is connected to the periphery of the bottle neck and extends to form a ring-shaped connecting body; the cover body is separated into a horizontal upper dish cover and a vertical bottle cover body, and the bottle The height of the cover body is equal to the distance from the bottom of the bottle neck to the bottom edge of the annular connecting body.

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