CN2305372Y - Improved liquid leak-proof bottle cap - Google Patents

Abstract

The utility model relates to a bottle cover, particularly a bottle cover which is demanded to effectively prevent liquid out leakage. The utility model is mainly characterized in that the bottom of the ring seat convexly extended of the inner top surface of the bottle cover is provided with a gear edge to keep the bottle cover disappearing liquid out leakage.

Description

The liquid leakproof bottle cap of improvement

The utility model relates to a kind of bottle cap, refers in particular to the bottle cap that requirement effectively prevents liquid leakage.

At present, progress and development along with Time Technology, the liquid container containing that the food industry is produced, the frangible glass bottle splendid attire mode by original old-fashioned heaviness, evolution significantly change to promote comprehensively and is aluminium gradually, iron flask body or In Aluminium Foil Packing etc. are the most extensively utilization so far, by ejection formation with light weight, the low mass producible PET bottle of cost is as the liquid container containing, container containing at beverage circle, more one take a broad view the article that can reach, and after bottle itself is better than providing the user to open, heavily covering splendid attire again and again uses, be the use valency matter that relatively promotes its PET bottle, with regard to treasured is held the bottle body structure (as shown in Figure 1), it is a upright hollow bottle 1, envelope is established a bottle cap 2 above it, the internal diameter of this bottle cap 2 is tied to form type negative thread 21, so as to screwing the outside thread 12 of the bottleneck 11 that is located at bottle 1, its bottle cap 2 is revolved put at bottle 1 top, and then, seal a bottle and 11 prevent that bottle interior liquid from flowing out, and bottle cap 2 ties up to the bottom during fabrication and is provided with the ring 3 of slightly locating with bottle 1,2 of this ring 3 and bottle caps are that borrow bar dowel joins, its bottle cap 2 envelope bottles location is provided with bottleneck 11 places, the user is when opening, again it is revolved and disconnect bottle cap opened 2, only bottle cap 2 is not when opening, really the benefit that has the envelope bottle, but, after the user opens, can't guarantee that promptly bottle cap 2 still keeps complete sealing function, in order to solve this class problem, as shown in Figure 1, be to tie up to the anti-drain gasket 4 that bottle cap 2 inner top surfaces are provided with, borrow and to be posted at bottle 1 bottleneck 11 places by anti-drain gasket 4, but, owing to should anti-drain gasket 4 be sticking bottle cap 2 inner top surfaces of establishing of a thin slice, bottle cap 2 is opened in high the use at continuous repetitiousness, easily cause anti-coming off of drain gasket 4 and abandon, and can't reach the former purpose that this anti-drain gasket 4 is set, and it is not should anti-drain gasket 4 complete when sealed at bottle 1, anti-drain gasket 4 also can't reach the fluid seepage effect that prevents, when the user topples over bottle when putting accidentally, in the bottle carrying liquid still slowly seepage externally cause the filth of environment.

The pad set-up mode of another improvement, as shown in Figure 2, the medial surface of this bottle cap 5 is provided with one and is bending, and rubber-like leakproof ring 51, after bottle 1 borrows the negative thread 52 of outside thread 12 and bottle cap 5 to screw the location, the center section part 511 of the top bottleneck 11 proper protruding top bending leakproof rings 51 of this bottle 1, make its center section part 511 and bottle cap 5 inner top surfaces form a suitable spacing, so when bottle 1 and bottle cap 5 screw the location, borrow bottleneck 11 that leakproof ring 51 is compressed to bottle cap 5 inner top surface directions, make bottleneck 11 and leakproof ring 51 center section parts 511 make a sealing contact, though only this mode can borrow 511 actions of bottleneck 11 roof pressure leakproof rings 51 center section parts to reach the anti-effect of letting out in bottle cap 5 sealed uses, but, because of its leakproof ring 51 is that a ring body that is to tilt bending designs, when leakproof ring 51 center section parts 511 when continuing to be compressed, the turnover extension 512 of these leakproof ring 51 center section parts 511 is promptly because of the pressurized in stage casing 511, and make it upwards promote outer sticking up, this turnover extension 512 also can't be pasted with bottleneck 11 inner faces, repeatedly constantly heavily cover unlatching again, the condition of service of sealed bottle cap 5, then cause the elastic fatigue of leakproof ring 51 turnover extensions 512, when bottle cap 5 not being locked together in bottle 1 top fully as the user, this bottleneck 11 promptly can't roof pressure bottle cap 5 leakproof ring 51 center section parts 511, and under the situation of turnover extension 512 elastic fatigues, this bottle cap 5 promptly can't reach the effect that prevents bottle interior fluid seepage, and loses original design-calculated leakproof application target.

In view of this, the purpose of this utility model provides a kind of liquid leakproof bottle cap of improvement, and the retaining edge that can prolong bottle cap breaks away from the leakproof stroke of bottleneck inner face, prevents bottle benefit that interior liquid leakage oozes out thereby improve to prolong.

The purpose of this utility model is achieved in that the ring seat that thread segment that a kind of liquid leakproof bottle cap of improvement comprises that the bottle cap inner ring is established and bottle cap inner top surface protrude out, and it is characterized in that: be provided with a retaining edge in the ring seat bottom.

Above-mentioned retaining edge is a circular arc body.

Owing to adopt such scheme: can keep bottle cap liquid leakage not occur.

Below in conjunction with drawings and Examples the utility model is further specified.

Fig. 1 practises the leakproof pad scheme drawing of formula bottle cap.

Fig. 2 practises the leakproof ring scheme drawing of formula bottle cap.

The generalized section of Fig. 3 the utility model exemplary embodiments.

First kind of action scheme drawing of Fig. 4 the utility model exemplary embodiments.

Second kind of action scheme drawing of Fig. 5 the utility model exemplary embodiments.

The third action scheme drawing of Fig. 6 the utility model exemplary embodiments.

Shown in Fig. 3,4, bottle cap 10 inner rings of present embodiment are established thread segment 11, so as to screwing mutually with the outside thread 22 at bottleneck 21 places of bottle 20, and then, revolve the top of putting sealed bottle 20, yet, in the use of bottle 20, when putting as bottle 20 is toppled over, habit formula bottle 20 still can cause bottle interior a little liquid slowly to ooze out, in order to improve this habit formula bottle 20 bottle caps 10 shortcomings because of not most desirable shortcoming in bottle cap 10 designs, system protrudes out a ring seat 12 at bottle cap 10 inner top surfaces, and the bottom periphery of ring seat 12 has a retaining edge 13;

Shown in Fig. 4～6: when bottle cap 10 desires sealing bottle 20 bottlenecks 21 prevent that liquid from flowing out, establishing thread segment 11 downward screw-ins in system utilizes screws mutually with the outside thread 22 of bottleneck 21, the ring seat 12 of these bottle cap 10 inner top surfaces is displacement thereupon downwards simultaneously also, at this moment, bottle cap 10 borrows retaining edge 13 external diameters of ring seat 12 bottoms to be slightly larger than the internal diameter of bottleneck 21, make bottle cap 10 gradually when backspin set moves, the retaining edge 13 of this ring seat 12 is pushed against by bottleneck 21 end faces promptly, and utilize the arcuation face guiding of retaining edge 13 bottoms that its inside pushing tow is inserted in bottleneck 21, borrow the plasticity elastic force of ring seat 12 retaining edge 13 itself, keeping more closely with bottleneck 21 inner faces, elasticity tension contacts, and exist because of the hydrone volume of liquid, this bottle cap 10 retaining edge 13 and bottleneck 21 are interior and make a line and contact, can reach the leakproof effect, moreover, the retaining edge 13 of this bottle cap 10 is the bottom that is arranged on ring seat 12, bottle cap 10 can be borrowed the length that protrudes out of ring seat 12, promptly keep off the distance A of edge 13 to bottle cap 10 opening parts, incomplete when sealed at bottle cap 10, and then, prolongation bottle cap 10 retaining edge 13 break away from the leakproof shift motion to the bottleneck opening part, make bottle cap 10 when being semi-open shape or last complete closed, the retaining edge 13 of this bottle cap 10 still bottleneck 21 internal diameters keeps the tight line of an elasticity tension to contact, and the semi-open distance of this bottle cap 10, the ring seat 12 retaining edge 13 of this bottle cap 10, still have and prevent to guarantee bottle benefit that interior liquid spills, effectively improve and strengthen habit formula bottle cap when complete closed not, the defective that still has liquid to spill, and then, effectively promote bottle cap 10 and prevent letting out function, reach safe drip-preventing function.

Claims (2)

1, a kind of liquid leakproof bottle cap of improvement comprises the ring seat (12) that thread segment (11) that the bottle cap inner ring is established and bottle cap inner top surface protrude out, and it is characterized in that: be provided with a retaining edge (13) in ring seat (12) bottom.

2, by the described liquid leakproof of claim 1 bottle cap, it is characterized in that: above-mentioned retaining edge (13) is a circular arc body.

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