CN102040038A

CN102040038A - Bottle cap

Info

Publication number: CN102040038A
Application number: CN 201010568232
Authority: CN
Inventors: 陈泰宇; 张元郎
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-12-01
Filing date: 2010-12-01
Publication date: 2011-05-04
Anticipated expiration: 2030-12-01
Also published as: CN102040038B

Abstract

The invention discloses a bottle cap, which comprises a cap top and a peripheral wall extending downwards along the edge of the cap top, wherein a circumferential closed leakage stopping blade ring extending in the same direction as the peripheral wall is concentrically arranged on the cap top, a circumferential closed leakage stopping ring is arranged between the blade ring and the peripheral wall on the cap top, the leakage stopping ring is provided with an inner wall surface, a bottle opening is tightly pressed between the blade ring and the leakage stopping ring, the inner wall surface of the leakage stopping ring comprises a first conical surface section and a second conical surface section, and in a vertical downward section along the radius of the cap top: the first conical surface section opens outwardly from the inner bottom surface of the lid top at an angle α, the second conical surface section opens outwardly from the inner bottom surface of the lid top at an angle β, and: beta is more than 90 degrees and less than alpha and less than 180 degrees. The cover surface with the inner wall design of the leakage stopping ring can bear larger sealing pressure, the cover surface after the material bottle cap is sealed is not uneven, the subsequent silk-screen printing process is facilitated, and the second conical surface section can adapt to bottle mouths of different styles and has good sealing performance.

Description

A kind of bottle cap

Technical field

The present invention relates to a kind of bottle cap, more particularly, relate to a kind of bottle cap that has the seal ring of leakproof effectively.

Background technology

Bottle cap of the prior art, along in the cross section of caping radius vertical direction: the angle of the seal ring inwall at the end and bottle cap caping is 90 ° in the bottle cap, and the outside of seal ring also is provided with bulge loop on the inner bottom surface of caping, when the pressure in the bottle is excessive, cause capping uneven easily, have a strong impact on the quality of follow-up capping silk-screen, and vertical 90 ° design can not adapt to the bottleneck of different patterns and reaches the effect of leakproof.

Summary of the invention

The purpose of this invention is to provide the bottle cap that a kind of leakproof effectively also can be applicable to the bottleneck of different patterns.

For solving the problems of the technologies described above, the present invention adopts following technical scheme:

A kind of bottle cap, comprise caping and extend the perisporium of setting from the circumferential edge of described caping downwards, described perisporium has the connecting portion that is connected with bottleneck, be provided with the circumferential osed top leak-stopping blade ring that extends in the same way with described perisporium on the described caping with one heart, the periphery wall of this blade ring and the inwall of bottleneck offset, between described blade ring and described perisporium, be provided with a circumferential osed top seal ring on the described caping, described seal ring has internal face, and when this bottle cap was installed on the bottleneck: the oral area of described bottleneck pushed against between described seal ring and described blade ring.

Preferably, the internal face of described seal ring comprises first conical surface section and second conical surface section, along in the cross section straight down of the radius of described caping: the angle that described first conical surface section is outwards opened from the inner bottom surface of described caping is α, the angle that described second conical surface section is outwards opened from the inner bottom surface of described caping is β, and: 90 °＜β＜α＜180 °.

Preferably, the shape in the oral area of the shape of the internal face of described seal ring and the described bottleneck outside is suitable.

Preferably, the periphery wall of described blade ring is provided with at least one circle and is used for the bulge loop that offsets with the bottleneck inwall.

Preferably, the bottom of described perisporium is provided with anti-theft ring, has several dowels between the bottom of described anti-theft ring and described perisporium.

Preferably, the outside wall surface of described perisporium is provided with some the fins of being convenient to grasping that distribute vertically that are parallel to each other.

The invention has the beneficial effects as follows: seal ring is designed to first conical surface section and second conical surface section, first conical surface section is connected the inner bottom surface of caping, angle between first conical surface section and the bottle cap inner bottom surface is greater than 90 °, so that capping can bear the bigger pressure that seals, can not cause expect the rough phenomenon of capping after bottle cap seals, be of value to the carrying out of the operation of follow-up silk-screen, and, the design of second conical surface section can adapt to the bottleneck of different patterns, strengthens its sealing property.

Description of drawings

Accompanying drawing 1 is the birds-eye view scheme drawing of bottle cap of the present invention;

Accompanying drawing 2 be in the accompanying drawing 1 A-A to cross-sectional schematic;

Accompanying drawing 3 is the enlarged diagram at B place in the accompanying drawing 1;

Accompanying drawing 4 is the enlarged diagram at C place in the accompanying drawing 2.

In the accompanying drawing: 1, caping; 2, perisporium; 3, blade ring; 4, seal ring; 5, first conical surface section; 6, second conical surface section.

The specific embodiment

Below in conjunction with embodiment shown in the drawings technical scheme of the present invention is done following detailed description the in detail:

As accompanying drawing 1, accompanying drawing 2, shown in accompanying drawing 3 and the accompanying drawing 4, one embodiment of the present invention: this bottle cap comprises caping 1 and the perisporium 2 that extends to form along the circumferential edges of caping 1 downwards, the inwall of perisporium 2 has and is used for the negative thread that is threaded mutually with bottleneck, the bottom of perisporium 2 is provided with anti-theft ring, have several dowels between this anti-theft ring and the perisporium 2, the outside wall surface of perisporium 2 is provided with some the axially extended fins of being convenient to grasping that are parallel to each other, be provided with a circumferential osed top leak-stopping blade ring 3 on the caping 1 with one heart, the lower end of the outside wall surface of this blade ring 3 is provided with the bulge loop that at least one circle and bottleneck inwall offset, between perisporium 2 on caping 1 inner bottom surface and blade ring 3, be provided with a side pressure seal ring 4, when bottle cap was installed in mouth cylindrical part: the bottleneck oral area pushed against between blade ring 3 and seal ring 4, this seal ring 4 has internal face, the outside of this internal face and bottleneck offsets, this internal face comprises first conical surface section 5 and second conical surface section 6, along in the radius cross section straight down of caping 1: the angle that first conical surface section 5 is outwards opened from the inner bottom surface of caping 1 is α, the angle that second conical surface section 6 is outwards opened from the inner bottom surface of caping 1 is β, and: 90 °＜β＜α＜180 °.

Above-mentioned α and the occurrence of β will be selected according to the model of bottleneck, and particularly, for example at the bottleneck of 1881-HF type or 1881-CAF type, α is 110 °, and β is 98 °.

The internal face of the seal ring 4 of the bottle cap in the present embodiment comprises first conical surface section 5 and second conical surface section 6, angle between the inner bottom surface of first conical surface section 5 and bottle cap is greater than 90 °, so that bottle cap can bear the bigger pressure that seals, the rough phenomenon of capping that has caused after having avoided simultaneously sealing, the operation that helps follow-up capping silk-screen, in addition, the design of second conical surface section 6, make this bottle cap can be applicable to the bottleneck of different patterns, all have good sealing property.

Seal ring 4 also can comprise first section and second section in the foregoing description, first section inner bottom surface that is connected to caping 1, first section along the arc that arches upward to the center of circle of caping 1 direction that is shaped as in the cross section straight down of the radius of caping 1, and second section along the arc that arches upward to the center of circle of caping 1 direction that is shaped as in the cross section of the side straight down of the radius of caping 1.

In addition, the internal face of seal ring 4 also can be designed to the outer shape shape adapting with the oral area of bottleneck.

The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims

1. bottle cap, comprise caping and extend the perisporium of setting from the circumferential edge of described caping downwards, described perisporium has the connecting portion that is connected with bottleneck, be provided with the circumferential osed top leak-stopping blade ring that extends in the same way with described perisporium on the described caping with one heart, the periphery wall of this blade ring and the inwall of bottleneck offset, this bottle cap is characterised in that: be provided with a circumferential osed top seal ring on the described caping between described blade ring and described perisporium, described seal ring has internal face, and when this bottle cap was installed on the bottleneck: the oral area of described bottleneck pushed against between described seal ring and described blade ring.

2. a kind of bottle cap according to claim 1, it is characterized in that: the internal face of described seal ring comprises first conical surface section and second conical surface section, along in the cross section straight down of the radius of described caping: the angle that described first conical surface section is outwards opened from the inner bottom surface of described caping is α, the angle that described second conical surface section is outwards opened from the inner bottom surface of described caping is β, and: 90 °＜β＜α＜180 °.

3. a kind of bottle cap according to claim 1 is characterized in that: the shape in the shape of the internal face of described seal ring and the oral area of the described bottleneck outside is suitable.

4. a kind of bottle cap according to claim 1 is characterized in that: the periphery wall of described blade ring is provided with at least one circle and is used for the bulge loop that offsets with the bottleneck inwall.

5. a kind of bottle cap according to claim 1 is characterized in that: the bottom of described perisporium is provided with anti-theft ring, has several dowels between the bottom of described anti-theft ring and described perisporium.

6. a kind of bottle cap according to claim 1 is characterized in that: the outside wall surface of described perisporium is provided with some the fins of being convenient to grasping that distribute vertically that are parallel to each other.