CN201002765Y - Bottle neck structure capable of reducing bottle weight - Google Patents
Bottle neck structure capable of reducing bottle weight Download PDFInfo
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- CN201002765Y CN201002765Y CNU2006201384599U CN200620138459U CN201002765Y CN 201002765 Y CN201002765 Y CN 201002765Y CN U2006201384599 U CNU2006201384599 U CN U2006201384599U CN 200620138459 U CN200620138459 U CN 200620138459U CN 201002765 Y CN201002765 Y CN 201002765Y
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- Prior art keywords
- bottle
- ring
- cylindrical part
- mouth cylindrical
- open end
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- Expired - Fee Related
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Abstract
The utility model relates to a bottle mouth structure capable of lowering the weight of bottle. Principally, the thickness of a first annular neck which is positioned between the bottle mouth and an opening ring, as well as the thickness of a second annular neck arranged between the opening ring and a bottle grip ring, are reduced in the utility model. Through reformation of bottle mouth, the utility model lowers the weight of the bottle as a whole and save material cost, while still enabling the thickness of bottle mouth withstanding instant pressure of high pressure gas which emerges when the bottle is molded through plastic blow. When closed, bottle cover of the utility model meets standard airtight property and other requirements relating to security specification for bottle mouth structure.
Description
Technical field
The bottleneck structure of the relevant a kind of bottle of the utility model refers to a kind of bottleneck structure that reduces bottle weight especially.
Background technology
As shown in Figure 8, bottleneck structure for a kind of bottle commonly used, its mouth cylindrical part 8 is to include an open end 81, this mouth cylindrical part 8 extends one first ring neck 82 down from this open end 81, this first ring neck 82 has an external thread section 83 in outer peripheral face, and this mouth cylindrical part 8 has the broken belt ring 84 of an evagination more in regular turn in the lower periphery of this first ring neck 82, the bottle of holding of one second a ring neck 85 and an evagination encircles 86, this broken belt ring 84 has one and radially extends out the ring convex surface 841 that tiltedly goes out along this mouth cylindrical part 8, an and stopping surface 842 that inwardly contracts by this ring convex surface 841 footpaths, and this second ring neck 85 to be stopping surface 842 from this broken belt ring 84 extend to this down holds bottle ring 86, and this holds the maximum outside diameter of maximum outside diameter system of bottle ring 86 greater than this broken belt ring 84.
Yet, along with price continues to climb to a higher point, the builder is difficult to reduce the bottle overall weight really because of all factors, to reach the expense of saving in material cost, trace it to its cause, it ties up to all requirements that are subject to international governing criterion specification in the bottleneck structure system of bottle, for example: the open end 81 of this mouth cylindrical part 8, external thread section 83, broken belt ring 84, hold the external diameter of bottle ring 86, and the internal diameter 87 of this mouth cylindrical part 8 or the like, its governing criterion specification is all arranged, even the thickness of the open end 81 of this mouth cylindrical part 8 also has its standard specification, for bearing the leak tightness that suffered high pressure gas pour into when blow molding is bottle instantaneous pressure and bottle cap cover.Therefore, how to improve the bottleneck structure of bottle and can reduce bottle weight with the saving in material cost, real emphasis for the utility model improvement.
Summary of the invention
Main purpose of the present utility model, be to solve the above problems and a kind of bottleneck structure that reduces bottle weight is provided, it mainly is to reduce the annular thickness of the open end of bottle body and bottleneck portion to the first ring neck of this broken belt interannular, and this broken belt ring is held the annular thickness of the second ring neck of bottle interannular to this, by the improvement bottleneck structure, to reduce bottle overall weight and saving in material cost, but still the thickness that makes this open end can bear the leak tightness that suffered high pressure gas pour into when blow molding is bottle instantaneous pressure and bottle cap cover, and can keep all requirements of the standard specification of original bottleneck structure.
For reaching aforementioned purpose, bottle embryo embryo mouth structure cording of the present utility model has a mouth cylindrical part, this mouth cylindrical part includes an open end, this mouth cylindrical part extends one first ring neck down from this open end, this first ring neck outer peripheral face has an external thread section, and this mouth cylindrical part encircles in the bottle of holding that the lower periphery of this first ring neck has broken belt ring, one second ring neck and an evagination of an evagination more in regular turn, this broken belt ring has one and radially extends out the ring convex surface that tiltedly goes out along this mouth cylindrical part, and this second ring neck system relatively ring convex surface of this broken belt ring extend to this down and hold the bottle ring.The maximum outside diameter degree of this first ring neck and this second ring neck is slightly less than the maximum outside diameter degree of this open end.
Beneficial effect:
Advantage of the present utility model is to reduce bottle overall weight and saving in material cost, for example: the bottle that replaces 400 milliliters of capacity with the bottle weight of 300 milliliters of capacity, and still keep the thickness of open end, bearing instantaneous pressure that suffered high pressure gas pour into when blow molding is bottle and the bottle cap that meets standard requirements, and meet all requirements of the safety rate specification of original bottleneck structure in the leak tightness that covers.
Description of drawings
Fig. 1 is the utility model bottleneck structure scheme drawing.
Fig. 2 is the local enlarged diagram of the utility model Fig. 1.
Fig. 3 is a bottleneck size scheme drawing of the present utility model.
Fig. 4 is a bottleneck size scheme drawing of the present utility model.
Fig. 5 is known general bottleneck size scheme drawing.
Fig. 6 is that each mouth cylindrical part is in the diagram of curves that suffers pressure.
Fig. 7 is the second embodiment bottleneck structure scheme drawing of the utility model.
Fig. 8 is the bottleneck structure cross-sectional schematic of commonly using.
The specific embodiment
[main element nomenclature]
(commonly using part)
Mouth cylindrical part 8 open ends 81
The first ring neck, 82 external thread sections 83
Stopping surface 842 second ring necks 85
Hold bottle ring 86 internal diameters 87
(the utility model part)
Mouth cylindrical part 1 open end 11
The first ring neck, 12 virtual annular thickness 121
The second ring neck, 15 virtual annular thickness 151
Hold bottle ring 16 internal diameters 17
Mouth cylindrical part A mouth cylindrical part B
Mouth cylindrical part C external diameter E1
External diameter E1 ' external diameter E2
See also Fig. 1 to Fig. 4, person shown in the figure is the selected example structure of the utility model, and this only for the usefulness of explanation, is not subjected to the restriction of this kind structure in patent application.
The bottleneck structure of the reduced bottle weight of present embodiment, as shown in Figure 1, its cording has a mouth cylindrical part 1, this mouth cylindrical part 1 has an internal diameter 17, this mouth cylindrical part 1 includes an open end 11, this mouth cylindrical part 1 extends one first ring neck 12 down from this open end 11, this first ring neck 12 has an external thread section 13 in outer peripheral face, and this mouth cylindrical part 1 has the broken belt ring 14 of an evagination more in regular turn in the lower periphery of this first ring neck 12, the bottle of holding of one second a ring neck 15 and an evagination encircles 16, this broken belt ring 14 has one and radially extends out the ring convex surface 141 that tiltedly goes out along this mouth cylindrical part 1, and the ring convex surface 141 that this second ring neck 15 is this broken belt ring 14 relatively extends to this down and holds bottle ring 16.Wherein, maximum outside diameter system of this first ring neck 12 and this second ring neck 15 is less than the maximum outside diameter of this open end 11.
See also Fig. 2, it is the local enlarged diagram of bottleneck structure, show that wherein this open end 11 holds the internal diameter 17 of the mouth cylindrical part 1 of bottle ring 16 to this, and the open end 11 of this mouth cylindrical part 1, external thread section 13, this broken belt ring 14 and this external diameter of holding bottle ring 16 all meet the requirement of existing international standard specification.And the utility model improvement focuses on reducing the open end 11 of mouth cylindrical part 1 of bottle to the virtual annular thickness 121 of the first ring neck 12 of 14 on this broken belt ring, and this broken belt ring 14 is held the virtual annular thickness 151 of the second ring neck 15 of 16 on bottle ring to this, but still keep the thickness of this open end 11, in the leak tightness that covers, and improve original bottle of embryo embryo mouth structure with the bottle cap (not shown) that bears the instantaneous pressure that suffered high pressure gas pour into when blow molding is bottle and meet standard requirements.
See also table 1, it is the mechanical properties table of PET resin, and by known to the table 1, it is to be 0.79 to be example with the PET resin viscosity, and its tension yield strength is 580kgf/cm
2, drawing a collapse strength is 600kgf/cm
2, and draw the elongation 300% of a destruction, draw a spring rate and then be 20000kgf/cm
2
Press, the general bottle instantaneous pressure that suffered high pressure gas pour into when blow molding is bottle is 30～40kgf/cm
2And for the mouth cylindrical part that prevents bottle in the blowing process because of bearing the instantaneous pressure that high pressure gas pour into, all be set with a safety factor, it is 1.5 times of the instantaneous pressure that pours into of high pressure gas, therefore, this mouth cylindrical part 1 high pressure instantaneous pressure that can bear is 45～60kgf/cm
2(bottleneck bottle blowing upper pressure limit value).
In addition, by one by the test report of French Da Suo company (Dassault System) high-order CAD, manufacturing, analysis software CATIA (UNIX V5 version) with as an illustration.See also Fig. 3, the related data that the utility model utilizes CATIA software (UNIX V5 version) to be tested out is thought explanation, and sets with pressure 60kgf/cm
2And to draw a collapse strength be 600kgf/cm
2, and the external diameter E1 ' of the external diameter E2 of this open end 11 and this first ring neck 12 be testing standard, and wherein the external diameter E2 of this open end 11 is 24.8mm, and this first external diameter E1 ' that encircles neck 12 is 23.88mm.When mouth cylindrical part A of the present utility model in suffering pressure 60kgf/cm
2The time (bottleneck bottle blowing upper pressure limit value), it draws collapse strength system and approaches 600kgf/cm
2, meet the international bottle blowing safety rate specification of stipulating.
See also Fig. 4, it is mouth cylindrical part B of the present utility model, but wherein sets with pressure 70kgf/cm
2And to draw a collapse strength be 600kgf/cm
2, and the external diameter E1 of the external diameter E2 of this open end 11 and this first ring neck 12 is testing standard, and wherein the external diameter E2 of this open end 11 is 24.8mm, and external diameter E1 of this first ring neck 12 is 24.2mm.When mouth cylindrical part B of the present utility model in suffering pressure 70kgf/cm
2The time (having exceeded a bottle embryo bottle blowing upper pressure limit value), it draws collapse strength system and approaches 600kgf/cm
2, still meet the international safety rate specification of stipulating.
See also Fig. 5, it is known general mouth cylindrical part C, but wherein sets with pressure 80kgf/cm
2And to draw a collapse strength be 600kgf/cm
2, and the external diameter E2 of this open end 11 is testing standard, wherein the external diameter E2 of this open end 11 is 24.8mm.When general mouth cylindrical part C in suffering pressure 80kgf/cm
2The time, it draws a collapse strength system and approaches 600kgf/cm
2, still meet the international safety rate specification of stipulating.
See also Fig. 6, its assemblage closes and states each mouth cylindrical part in the diagram of curves that suffers pressure.As can be known, the utility model is set in 600kgf/cm in drawing a collapse strength in Fig. 6
2, and to bear the instantaneous pressure that high pressure gas pour into be 60kgf/cm
2The time, its mouth cylindrical part A is 24.8mm in the external diameter E2 of this open end 11, external diameter E1 ' of this first ring neck 12 be 23.88mm, can bear bottleneck bottle blowing upper pressure limit value, is 70kgf/cm and work as the utility model in bearing the instantaneous pressure that high pressure gas pour into
2The time, its mouth cylindrical part B is 24.8mm in the external diameter E2 of this open end 11, external diameter E1 of this first ring neck 12 is that 24.2mm also can bear and exceeds bottleneck bottle blowing upper pressure limit value, and relevant bottle embryo internal diameter 17, and the open end 11 of this mouth cylindrical part, external thread section 13, the external diameter that this broken belt ring 14 and this are held bottle ring 16 all meets the requirement that has international standard specification now, therefore, though the utility model reduces the open end 11 of the mouth cylindrical part 1 of bottle encircles neck 12 to first of 14 on this broken belt ring virtual annular thickness 121, and this broken belt ring 14 is held the virtual annular thickness 151 of the second ring neck 15 of 16 on bottle ring to this, and keep the thickness of this open end 11, but still can bear the instantaneous pressure that suffered high pressure gas pour into when blow molding is bottle and the bottle cap (not shown) that meets standard requirements in the leak tightness that covers.
Certainly, still there are many examples in the utility model, therebetween the only variation on the details.See also Fig. 7, be second embodiment of the utility model, wherein, this external thread section 13A system extends to the first ring neck 12 of 14 on this broken belt ring continuously by the open end 11 of this mouth cylindrical part 1, and passes through this CATIA software (UNIX V5 version) and also set with pressure 80kgf/cm
2And to draw a collapse strength be 600kgf/cm
2By testing standard is tested.When this external thread section 13A system extends to the first ring neck 12 of 14 on this broken belt ring continuously by the open end 11 of this mouth cylindrical part 1, and the mouth cylindrical part 1 of this bottle is in suffering pressure 80kgf/cm
2The time, it draws a collapse strength system and approaches 600kgf/cm
2, still be maintained in the scope of safety rate specification of international regulation, and also can bear the instantaneous pressure that suffered high pressure gas pour into when blow molding is bottle and the bottle cap (not shown) that meets standard requirements in the leak tightness that covers.
In sum, the utility model has the advantage of and to reduce bottle overall weight and saving Material cost, for example: the bottle weight with 300 milliliters of capacity replaces 400 milliliters of capacity Bottle, and still keep the thickness of open end, suffered when bearing in blow molding to bottle The instantaneous pressure that gases at high pressure pour into and the bottle cap that meets standard requirements be in the sealing that covers, And meet all requirements of the safety standard specification of original bottleneck structure.
Table 1
PET Trees Zhi Machine tool rerum natura
| Viscosity | Tension is subdued the Strong degree | Draw the broken Bad Strong degree of Zhang | Draw the broken Bad elongation of Zhang | Drawing Zhang Bomb leads |
| 0.79 | 580kgf-cm 2 | 600kgf-cm 2 | 300％ | 2000kgf-cm 2 |
Claims (2)
1, a kind of bottleneck structure that reduces bottle weight, its cording has a mouth cylindrical part, this mouth cylindrical part includes an open end, this mouth cylindrical part extends one first ring neck down from this open end, this first ring neck outer peripheral face has an external thread section, and this mouth cylindrical part has the broken belt ring of an evagination more in regular turn in the lower periphery of this first ring neck, the bottle of holding of one second a ring neck and an evagination encircles, this broken belt ring has one and radially extends out the ring convex surface that tiltedly goes out along this mouth cylindrical part, and this second ring neck system relatively ring convex surface of this broken belt ring extend to this down and hold the bottle ring, it is characterized in that:
The maximum outside diameter degree of this first ring neck and this second ring neck is slightly less than the maximum outside diameter degree of this open end.
2, according to the described bottleneck structure that reduces bottle weight of claim 1, it is characterized in that: this external thread section system is extended to the first ring neck of this broken belt interannular continuously by the open end of this mouth cylindrical part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201384599U CN201002765Y (en) | 2006-08-31 | 2006-08-31 | Bottle neck structure capable of reducing bottle weight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006201384599U CN201002765Y (en) | 2006-08-31 | 2006-08-31 | Bottle neck structure capable of reducing bottle weight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201002765Y true CN201002765Y (en) | 2008-01-09 |
Family
ID=39038305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006201384599U Expired - Fee Related CN201002765Y (en) | 2006-08-31 | 2006-08-31 | Bottle neck structure capable of reducing bottle weight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201002765Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101386358B (en) * | 2008-10-17 | 2010-06-09 | 上海紫江企业集团股份有限公司 | Lightweight bottle mouth |
| CN101544287B (en) * | 2008-03-25 | 2012-02-22 | 大日本印刷株式会社 | Preformed product and container |
-
2006
- 2006-08-31 CN CNU2006201384599U patent/CN201002765Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101544287B (en) * | 2008-03-25 | 2012-02-22 | 大日本印刷株式会社 | Preformed product and container |
| CN101386358B (en) * | 2008-10-17 | 2010-06-09 | 上海紫江企业集团股份有限公司 | Lightweight bottle mouth |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 |