CN202518574U - Anti-theft plastic bottle cap with densifying leakproof structure - Google Patents
Anti-theft plastic bottle cap with densifying leakproof structure Download PDFInfo
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- CN202518574U CN202518574U CN2012200238340U CN201220023834U CN202518574U CN 202518574 U CN202518574 U CN 202518574U CN 2012200238340 U CN2012200238340 U CN 2012200238340U CN 201220023834 U CN201220023834 U CN 201220023834U CN 202518574 U CN202518574 U CN 202518574U
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- Prior art keywords
- density
- wedge surface
- ring
- bottleneck
- plug
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- 230000007704 transition Effects 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000012206 bottled water Nutrition 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to an anti-theft plastic bottle cap with a densifying leakproof structure. The bottle cap comprises an upper cap body (1), a lower cap body (3) and a connecting bridge (2), wherein an inner thread (6) is formed on the inner side wall of the upper cap body (1); and a plurality of wedged hasps (7) are arranged on the inner side wall of the lower cap body (3). The bottle cap is characterized in that a ringlike densifying inner plug (5) is arranged on the inner side of the top of the upper cap body (1); an R arc transition part (4) is arranged at the joint of the top and the inner side wall of the upper cap body (1) so as to form a bottle mouth outer sealing structure; the ringlike densifying inner plug (5) and the R arc transition part (4) form an inner plug outer sealing type densifying leakproof structure; a plurality of bumps (8) are formed on the inner side wall of the lower cap body (3); the shaft sections of the bumps (8) are conic or semispherical; the number of the bumps (8) are the same as that of the wedged hasps (7); and each bump (8) is arranged between every two wedged hasps (7). The bottle cap has the advantage of high sealing performance, leakproofness and anti-theft performance, and can be conveniently opened.
Description
Technical field
The utility model relates to a kind of plastic bottle closure; Especially relate to a kind of anti-theft plastic bottle lid with density anti-leakage structure.Belong to plastic wrapping bottle cap technical field.
Background technology
At present, the plastic seal anti-theft bottle cap, especially for the seal cover cap of potable water, its quality has received more and more people's concern.But cushion seal cover cap of the prior art because sealing inner plug and theft-prevention structure are unreasonable, therefore, is easy to generate seepage, and anti-theft effect is poor.End is got up; Mainly contain the reason of following two aspects: (1) has only the individual layer seal ring, is difficult to effectively prevent seepage, and sealing effectiveness is undesirable; And the sealing deforming zone of seal ring is big; Seal ring frangible, and the moment of torsion of uncapping is big needs with very energetically could twist-off closure, sometimes even block and do not open.(2) all by easily broken rib bonded assembly anti-theft ring, when opening bottle cap, lid is separated with anti-theft ring, anti-theft ring is prone to break away from from bottleneck, and anti-theft effect is poor.Though someone is in order to overcome above-mentioned shortcoming; The plastic seal anti-theft bottle cap has been carried out structural development; For example be provided with in the ring-type density and fill in the inside top of upper cover body; Be provided with the transition of R arc at the top of upper cover body and the junction of madial wall, form double sealing structure by plug and the transition of R arc in the ring-type density.But also there is following shortcoming in it: can't bottleneck thoroughly be sealed by plug and R arc transition formation double sealing structure in the ring-type density, leak tightness and anti-leakage remain further to be strengthened, and also have the excessive shortcoming of moment of torsion of uncapping simultaneously.
The utility model content
The purpose of the utility model; Be in order to overcome the shortcoming that anti-theft plastic bottle lid of the prior art exists sealing property and theftproof performance difference; A kind of anti-theft plastic bottle lid with density anti-leakage structure is provided; It can thoroughly seal bottleneck, and can reduce the moment of torsion of uncapping, and has the convenience of uncapping, leak tightness and anti-leakage is good, anti-theft is good characteristics.
The purpose of the utility model can reach through following measure:
A kind of anti-theft plastic bottle lid with density anti-leakage structure comprises upper cover body, lower cover and connecting bridge, and the madial wall of upper cover body is provided with negative thread, and the madial wall of lower cover is provided with several wedge surface snap closes, and the wedge surface snap close has the shaft section cone angle; It is characterized in that: be provided with in the ring-type density in the inside top of upper cover body and fill in, be provided with the transition of R arc at the top of upper cover body and the junction of madial wall, the transition of R arc forms the outer seal structure of bottleneck; The diameter of plug is between the internal diameter and external diameter of bottleneck in the said ring-type density; By plug external sealing type density anti-leakage structure in plug and the transition of R arc constitute in the ring-type density; The madial wall of lower cover is provided with several salient points, and this salient point has the shaft section cone angle or is hemispherical, and its quantity is identical with the quantity of wedge surface snap close, and salient point is distributed between two wedge surface snap closes.
When practical application, the outer seal structure (transition of R arc) of said ring-type bottleneck forms sealing contact with the outer on bottleneck top, and plug forms sealing contact with the madial wall of bottleneck in the ring-type density.
The purpose of the utility model can reach through following measure:
Further Technological improvement plan is: the downward-sloping angle that forms the R arc transition of the outer seal structure of bottleneck can be coincide with the outer on bottleneck top, and its cross section projection is circular-arc.
Further Technological improvement plan is: the quantity of said wedge surface snap close can be six, and six wedge surface snap closes are evenly distributed in the same circumference on the madial wall of lower cover, have identical shaft section cone angle; Corresponding with the wedge surface snap close, the quantity of said salient point can be six, in the same circumference on six madial walls that are evenly distributed on lower cover.
Further Technological improvement plan is: the outer seal structure of plug and bottleneck in the density, can clamp bottleneck from inside and outside both sides, and form the closed contact structure.
Further Technological improvement plan is: wedge surface snap close and salient point by lower cover can constitute double anti-theft locking mechanism.
Further Technological improvement plan is: can be provided with the ring-type covering at R arc transition position, this ring-type covering is downward-sloping convex arc shaped, forms one or two above convex arcs; Constitute triple density anti-leakage structures by plug, the transition of R arc and ring-type covering in the ring-type density.
The beneficial effect of the utility model is:
1, the utility model is owing to the madial wall at lower cover is provided with several salient points, and this salient point has the shaft section cone angle or is hemispherical, and its quantity is identical with the quantity of wedge surface snap close; Salient point is distributed between two wedge surface snap closes; Can reduce the evagination degree of depth of wedge surface snap close like this, both have double anti-theft locking function, on the basis that guarantees theftproof performance; Solve the problem of difficult capping; Have and be prone to open bottle cap, be prone to twist off rib and prevent that anti-theft ring (lower cover) by the advantage of being taken out of, therefore, has the beneficial effect of good anti-theft effect.
2, the utility model is through the madial wall formation sealing contact of plug in the said ring-type density with bottleneck; The outer seal structure (transition of R arc) of ring-type bottleneck forms sealing contact with the outer of bottleneck; From two layers of closed contact between inside and outside formation of bottleneck and the bottleneck, leak tightness and anti-leakage have been strengthened respectively; When twist-off closure, the sealing angle discharges stress and reduces the uncork moment of torsion, thereby reduces the required strength of uncork, and the fastening of locking in same cross section is in addition closed the captive joint bridge and broken off, and upper cover body more is prone to separate with lower cover during uncork.Therefore, the utlity model has uncap conveniently, leak tightness and anti-leakage is good, anti-theft is good advantage.
Description of drawings
Fig. 1 is the bottle cap cutaway view of the utility model specific embodiment.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe in detail:
Specific embodiment 1:
With reference to Fig. 1, present embodiment comprises upper cover body 1, lower cover 3 and connecting bridge 2, and the madial wall of upper cover body 1 is provided with negative thread 6, and the madial wall of lower cover 3 is provided with several wedge surface snap closes 7, and wedge surface snap close 7 has the shaft section cone angle; Its constructional feature is: be provided with in the ring-type density in the inside top of upper cover body 1 and fill in 5, be provided with R arc transition 4 at the top of upper cover body 1 and the junction of madial wall, R arc transition 4 forms the outer seal structure of bottlenecks; The diameter of plug 5 is between the internal diameter and external diameter of bottleneck in the said ring-type density; Constitute interior plug external sealing type density anti-leakage structure by plug 5 in the ring-type density and R arc transition 6; The madial wall of lower cover 3 is provided with several salient points 8, and this salient point 8 has the shaft section cone angle, and its quantity is identical with the quantity of wedge surface snap close (7), and salient point 8 is distributed between two wedge surface snap closes 7.
In the present embodiment: form the downward-sloping angle of the R arc transition 4 of seal structure outside the bottleneck and the outer on bottleneck top and coincide, its cross section projection is circular-arc.The quantity of said wedge surface snap close 7 is six, and six wedge surface snap closes 7 are evenly distributed in the same circumference on the madial wall of lower cover 3, have identical shaft section cone angle, and said shaft section cone angle is 50 °; Corresponding with wedge surface snap close 7, the quantity of this salient point 8 is six, in the same circumference on six madial walls that are evenly distributed on lower cover 3.Plug 5 and the outer seal structure of bottleneck clamp bottleneck from inside and outside both sides in the density, form the closed contact structure.The wedge surface snap close 7 of lower cover 3 constitutes double anti-theft locking mechanism with salient point 8.
In fitting process; When lid 1 screwed in bottleneck, wedge surface snap close 7 got into recess through the flange in the bottleneck outside, because wedge surface snap close 7 has the shaft section cone angle; And the wedge surface snap close is in balance height; Directly insert and block, be difficult to therefrom break away from bottleneck toward lower cover 2 again, the wedge surface snap close 7 of lower cover 3 constitutes double anti-theft locking mechanism with salient point 8; Therefore, has good anti-theft effect; When screwing the lid bottleneck, plug 4 contacts with bottleneck inner wall sealing district earlier in the annular seal, along with bottle cap is screwed, through the inside and outside press fit that adds, thoroughly seals bottleneck; When twist-off closure, sealing angle a discharges stress and reduces the uncork moment of torsion, thereby reduces the required strength of uncork; The wedge surface snap close fits the captive joint bridge and breaks off on same cross section in addition, so upper cover body is separated with lower cover is easier during uncork.
Specific embodiment 2:
The characteristics of specific embodiment 2 are: the shaft section cone angle of wedge surface snap close 7 can be 10 °, 20 °, 30 °, 40 °, 50 ° or 60 °, and said salient point 8 is hemispherical.Other are identical with specific embodiment 1.
Specific embodiment 3:
The characteristics of present embodiment 3 are: locate to be provided with the ring-type covering in R arc transition (4), this ring-type covering is downward-sloping convex arc shaped, forms one or two above convex arcs; Constitute triple density anti-leakage structures by plug (5), R arc transition (4) and ring-type covering in the ring-type density.All the other are identical with specific embodiment 1 or specific embodiment 2.
The above; Be merely the preferable specific embodiment of the utility model; But the protection domain of the utility model is not limited thereto; Any technical personnel of being familiar with the present technique field is equal to replacement or changes according to the technical scheme of the utility model and utility model design thereof in the scope that the utility model discloses, and all belongs to the protection domain of the utility model.
Claims (6)
1. the anti-theft plastic bottle with density anti-leakage structure covers; Comprise upper cover body (1), lower cover (3) and connecting bridge (2); The madial wall of upper cover body (1) is provided with negative thread (6), and the madial wall of lower cover (3) is provided with several wedge surface snap closes (7), and wedge surface snap close (7) has the shaft section cone angle; It is characterized in that: the inside top in upper cover body (1) is provided with plug (5) in the ring-type density, is provided with R arc transition (4) at the top of upper cover body (1) and the junction of madial wall, and R arc transition (4) forms the outer seal structure of bottleneck; The diameter of plug (5) is between the internal diameter and external diameter of bottleneck in the said ring-type density; By plug external sealing type density anti-leakage structure in plug (5) and R arc transition (6) constitute in the ring-type density; The madial wall of lower cover (3) is provided with several salient points (8), and this salient point (8) has the shaft section cone angle or is hemispherical, and its quantity is identical with the quantity of wedge surface snap close (7), and salient point (8) is distributed between two wedge surface snap closes (7).
2. a kind of anti-theft plastic bottle lid with density anti-leakage structure according to claim 1 is characterized in that: form the downward-sloping angle of the R arc transition (4) of seal structure outside the bottleneck and the outer on bottleneck top and coincide, its cross section projection is circular-arc.
3. a kind of anti-theft plastic bottle lid according to claim 1 and 2 with density anti-leakage structure; It is characterized in that: the quantity of said wedge surface snap close (7) is six; Six wedge surface snap closes (7) are evenly distributed in the same circumference on the madial wall of lower cover (3), have identical shaft section cone angle; Corresponding with wedge surface snap close (7), the quantity of this salient point (8) is six, in the same circumference on six madial walls that are evenly distributed on lower cover (3).
4. a kind of anti-theft plastic bottle lid with density anti-leakage structure according to claim 1 is characterized in that: plug (5) and the outer seal structure of bottleneck in the density, clamp bottleneck from inside and outside both sides, and form the closed contact structure.
5. a kind of anti-theft plastic bottle lid with density anti-leakage structure according to claim 1 is characterized in that; The wedge surface snap close (7) of lower cover (3) and salient point (8) constitute double anti-theft locking mechanism.
6. a kind of anti-theft plastic bottle lid with density anti-leakage structure according to claim 1 is characterized in that; Locate to be provided with the ring-type covering in R arc transition (4), this ring-type covering is downward-sloping convex arc shaped, forms one or two above convex arcs; Constitute triple density anti-leakage structures by plug (5), R arc transition (4) and ring-type covering in the ring-type density.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200238340U CN202518574U (en) | 2012-01-17 | 2012-01-17 | Anti-theft plastic bottle cap with densifying leakproof structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200238340U CN202518574U (en) | 2012-01-17 | 2012-01-17 | Anti-theft plastic bottle cap with densifying leakproof structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202518574U true CN202518574U (en) | 2012-11-07 |
Family
ID=47101536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200238340U Expired - Lifetime CN202518574U (en) | 2012-01-17 | 2012-01-17 | Anti-theft plastic bottle cap with densifying leakproof structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202518574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278580A (en) * | 2020-11-05 | 2021-01-29 | 安徽鼎泓包装有限公司 | Wide-mouth bottle cap |
-
2012
- 2012-01-17 CN CN2012200238340U patent/CN202518574U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112278580A (en) * | 2020-11-05 | 2021-01-29 | 安徽鼎泓包装有限公司 | Wide-mouth bottle cap |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160224 Address after: Group of villagers Sha Zhen Ren Zhou Cun, Guangdong city of Dongguan province Dongguan 523000 Yongmao Jinfu Industry Co. Ltd. Patentee after: Jinfu Industry Co., Ltd., Dongyuan City Address before: 523915 Guangdong province Dongguan City Bomei industrial zone of Humen town Dongguan Jinfu packing material Co. Ltd Patentee before: Chen Jinpei |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: Group of villagers Sha Zhen Ren Zhou Cun Yong Mao 523000 Guangdong city of Dongguan Province Patentee after: Jinfu Technology Co., Ltd. Address before: Group of villagers Sha Zhen Ren Zhou Cun, Guangdong city of Dongguan province Dongguan 523000 Yongmao Jinfu Industry Co. Ltd. Patentee before: Jinfu Industry Co., Ltd., Dongyuan City |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121107 |