CN201882377U - Densification leakproof anti-theft plastic bottle cap with improved structure - Google Patents
Densification leakproof anti-theft plastic bottle cap with improved structure Download PDFInfo
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- CN201882377U CN201882377U CN2010206761107U CN201020676110U CN201882377U CN 201882377 U CN201882377 U CN 201882377U CN 2010206761107 U CN2010206761107 U CN 2010206761107U CN 201020676110 U CN201020676110 U CN 201020676110U CN 201882377 U CN201882377 U CN 201882377U
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Abstract
The utility model relates to a densification leakproof anti-theft plastic bottle cap with an improved structure. The bottle cap comprises an upper cap body (1), a lower cap body (2) and a cross structure (3), wherein threads (4) are arranged on the inner side wall of the upper cap body (1); a wedge lock catch (7) which is provided with an axial cross section taper angle is arranged on the inner side wall of the lower cap body (2); the bottle cap is characterized in that a circular densification inner plug (5) is arranged at the inner side of the top part of the upper cap body (1); an R arc transition (6) is arranged at the joint of the top part and the inner side wall of the upper cap body (1); the diameter of the circular densification inner plug (5) is between the inner diameter and the external diameter of a bottleneck; the R arc transition (6) is provided with a circular outer seal (8) which is the shape of a downward sloping convex arc so as to from one or two convex arcs; and the circular densification inner plug (5), the R arc transition (6) and the circular outer seal (8) form the densification leakproof structure. The densification leakproof anti-theft plastic bottle cap has the advantages of being convenient in uncapping and good in tightness, leak prevention and security.
Description
Technical field
The utility model relates to a kind of plastic bottle closure; Especially relate to a kind of density antiseep type anti-theft plastic bottle lid that improves 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.End is got up, mainly contain the reason of following two aspects: the one, have only the individual layer seal ring, be difficult to effectively prevent seepage, sealing effectiveness is undesirable, and the sealing deforming zone of seal ring is big, seal ring frangibility, and the moment of torsion of uncapping is big needs with very energetically could twist-off closure, sometimes even block and do not open; The 2nd, all by easily broken rib bonded assembly anti-theft ring, when opening bottle cap, lid is separated with anti-theft ring, anti-theft ring easily breaks 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: bottleneck thoroughly can't 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 this utility model, be in order to overcome the shortcoming that there is poor sealing performance in anti-theft plastic bottle lid of the prior art, a kind of density antiseep type anti-theft plastic bottle lid that improves 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 this utility model can reach by following measure:
Improve the density antiseep type anti-theft plastic bottle lid of structure, comprise upper cover body, lower cover and connecting bridge, the madial wall of upper cover body is provided with screw thread, and the madial wall of lower cover is provided with the wedge surface snap close, and the wedge surface snap close 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 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 diameter of plug is between the internal diameter and external diameter of bottleneck in the described ring-type density; 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 the density anti-leakage structure by plug, the transition of R arc and ring-type covering in the ring-type density.
When practical application, the outer on described ring-type covering bottleneck top forms sealing contact, and plug forms sealing contact with the madial wall of bottleneck in the ring-type density, and the outer of transition of R arc and bottleneck forms sealing contact.
A kind of embodiment of the present utility model is: described ring-type covering has at least the downward-sloping angle of a convex arc and the outer on bottleneck top to coincide, and its cross section projection is circular-arc.
A kind of embodiment of the present utility model is: the quantity of described 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.
The beneficial effects of the utility model are:
The utility model forms sealing contact by the outer on described ring-type covering bottleneck top, plug forms sealing contact with the madial wall of bottleneck in the ring-type density, the outer of transition of R arc and bottleneck forms sealing contact, from three 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 disconnected, and upper cover body is separated with lower cover is easier 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 drawings and Examples the utility model is described in further detail:
Specific embodiment 1:
With reference to Fig. 1, present embodiment comprises upper cover body 1, lower cover 2 and connecting bridge 3, and the madial wall of upper cover body 1 is provided with screw thread 4, and the madial wall of lower cover 2 is provided with wedge surface snap close 7, and wedge surface snap close 7 has the shaft section cone angle; 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 6 at the top of upper cover body 1 and the junction of madial wall; The diameter of plug 5 is between the internal diameter and external diameter of bottleneck in the described ring-type density; 6 places are provided with ring-type covering 8 in the transition of R arc, and this ring-type covering 8 is downward-sloping convex arc shaped, form a convex arc; By fill in 5 in the ring-type density, R arc transition 6 and ring-type covering 8 constitute the density anti-leakage structure.Wedge surface snap close 7 has the shaft section cone angle; Form sealing angle a between the madial wall of described ring-type covering 8 and upper cover body 1; The size of sealing angle a is coincide with the inclination angle of clamping outer, bottleneck top, makes between bottle cap body 1 and the bottleneck and forms closed contact.
In the present embodiment: the cross sectional shape of described ring-type covering 8 is single convex arc shaped, and described sealing angle a can be 35 °.The quantity of described 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 2, and they have identical shaft section cone angle, and described shaft section cone angle is 50 °.
In fitting process; When lid 1 screwed in bottleneck, wedge surface snap close 7 entered 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 inserts and blocks, and is difficult to therefrom break away from bottleneck toward lower cover 2 again; When screwing the lid bottleneck, plug 4 contacts with bottleneck inner wall sealing district earlier in the annular seal, and along with bottle cap is screwed, the sealing angle a of ring-type covering 8 formation simultaneously makes the outer edge on ring-type covering 8 closed contact bottleneck tops, by the inside and outside press fit that adds, thoroughly seal 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 disconnects 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 present embodiment are: the cross sectional shape of described ring-type covering 8 is two convex arc shapeds, and described sealing angle a is 90 °.Other are identical with specific embodiment 1.
Other embodiment:
The characteristics of other embodiment are: the shaft section cone angle can be 10 °, 20 °, 30 °, 40 °, 50 ° or 60 °; The cross sectional shape of described ring-type covering 8 is a plurality of convex arc shapeds, and described sealing angle a can be 30 °, 35 °, 45 °, 60 °, 75 °, 85 ° or 90 °.Other are identical with specific embodiment 1.
The above; it only is the preferable specific embodiment of the utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the scope that the utility model discloses; be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, all belonged to protection domain of the present utility model.
Claims (3)
1. improve the density antiseep type anti-theft plastic bottle lid of structure, comprise upper cover body (1), lower cover (2) and connecting bridge (3), the madial wall of upper cover body (1) is provided with screw thread (4), and the madial wall of lower cover (2) is provided with wedge surface snap close (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 (6) at the top of upper cover body (1) and the junction of madial wall; The diameter of plug (5) is between the internal diameter and external diameter of bottleneck in the described ring-type density; Locate to be provided with ring-type covering (8) in R arc transition (6), this ring-type covering (8) is downward-sloping convex arc shaped, forms one or two above convex arcs; Constitute the density anti-leakage structure by plug (5), R arc transition (6) and ring-type covering (8) in the ring-type density.
2. the density antiseep type anti-theft plastic bottle lid of improvement structure according to claim 1 is characterized in that: described ring-type covering (8) has at least the downward-sloping angle of a convex arc and the outer on bottleneck top to coincide, and its cross section projection is circular-arc.
3. the density antiseep type anti-theft plastic bottle lid of improvement structure according to claim 1 and 2, it is characterized in that: the quantity of described 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 (2), have identical shaft section cone angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206761107U CN201882377U (en) | 2010-12-23 | 2010-12-23 | Densification leakproof anti-theft plastic bottle cap with improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206761107U CN201882377U (en) | 2010-12-23 | 2010-12-23 | Densification leakproof anti-theft plastic bottle cap with improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201882377U true CN201882377U (en) | 2011-06-29 |
Family
ID=44179915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206761107U Expired - Lifetime CN201882377U (en) | 2010-12-23 | 2010-12-23 | Densification leakproof anti-theft plastic bottle cap with improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201882377U (en) |
-
2010
- 2010-12-23 CN CN2010206761107U patent/CN201882377U/en not_active Expired - Lifetime
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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: 20160222 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: 20110629 |