CN105496778A - Short-neck rubber plug and structure thereof for being matched with bottle - Google Patents
Short-neck rubber plug and structure thereof for being matched with bottle Download PDFInfo
- Publication number
- CN105496778A CN105496778A CN201610019513.6A CN201610019513A CN105496778A CN 105496778 A CN105496778 A CN 105496778A CN 201610019513 A CN201610019513 A CN 201610019513A CN 105496778 A CN105496778 A CN 105496778A
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- CN
- China
- Prior art keywords
- plug
- cervical region
- sealing ring
- bottle
- sealing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/1412—Containers with closing means, e.g. caps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
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- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Hematology (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses a short-neck rubber plug and a structure thereof for being matched with a bottle. According to the technical scheme, the short-neck rubber plug comprises a crown part (1) and a neck part (2), a guiding part (3) is arranged at one end of the neck part (2), and a sealing loop (4) is arranged at the position where the neck part (2) is connected with the guiding part (3) in a protruding mode; the short-neck rubber plug further comprises the bottle (5), and a sealing ring (51) matched with the neck part (2) is arranged on the inner wall at the position of an opening of the bottom (5) in a surrounding mode. When the rubber plug is matched with the bottle, sealing is formed between the sealing ring and the neck part of the rubber plug and between the sealing loop and the inner wall of the opening of the bottle, so that double sealing is achieved between the rubber plug and the bottle, the sealing effect is improved, and plug jumping can be effectively avoided. By limiting the length of the neck part of the rubber plug, on one hand, S-shaped multi-arc sealing is formed between the sealing ring and the sealing loop so that the sealing effect can be improved; on the other hand, the length of the neck part of the rubber plug can be controlled within a reasonable range, the overall length of the rubber plug becomes small, and then raw materials are saved.
Description
Technical field
The present invention relates to medical package field, more particularly, it relates to a kind of short neck plug and the fit structure with bottle thereof.
Background technology
Medical rubber plug is the sealed piece of bottled medicine, now widely used medical rubber plug comprises superposed plug bizet and the plug cervical region be positioned under it be attached thereto, during use, plug cervical region is filled in medicine bottle opening, and plug bizet is pressed in bottleneck, thus realizes sealing.
Application number be 201310565613.5 Chinese patent disclose a kind of disposable medical negative pressure blood-taking tube plug, it is made up of plug bizet and plug cervical region two parts, plug cervical region protrudes downwards and is arranged at center, plug bizet lower surface, plug bizet is slightly larger than plug cervical region, at described plug bizet and plug neck junction, along described plug cervical region, described plug bizet is provided with a circle groove; The groove of this brood lac cold bizet and the dual pressurize effect of plug neck formation, although be conducive to strengthening blood taking tube negative pressure hold facility, the effect of anti-receipts plug jumping can also be played simultaneously, but sealing effectiveness is determined by the length of plug cervical region, the length of plug cervical region is longer, the contact area of plug and bottleneck is namely larger also better with regard to sealing, otherwise poorer; Therefore in order to strengthen the sealing of plug, the fitting in of this structure effectively can not save raw material after needing to strengthen the length of plug cervical region, therefore need a kind of can reduce plug neck length while, again can the short neck plug of effective sealing.
Summary of the invention
For the deficiency that prior art exists, the object of the present invention is to provide a kind of short neck plug, this plug can reduce again the length of plug cervical region while effectively maintaining sealing effectiveness.
For achieving the above object, the invention provides following technical scheme: a kind of short neck plug, include plug bizet and the plug cervical region of the coaxial setting of one, described plug cervical region has been wholely set plug guide portion relative to the other end of plug bizet, and the junction of described plug cervical region and plug guide portion is convexly equipped with sealing ring.
By adopting technique scheme, utilizing and being convexly equipped in the sealing ring of plug cervical region, abut pressure with what strengthen plug cervical region and bottleneck, thus the sealing of enhancing plug cervical region, be therefore conducive to the length reducing whole plug cervical region; And by the junction of sealing ring projection in plug cervical region and plug guide portion, while reasonable employment guide portion, decrease the plug neck length of sealing ring to plug guide portion, therefore the entire length reducing plug cervical region is also conducive to, not only reduce the overall weight of plug, also effectively save raw material, thus positive reduce production cost.
The present invention is set to further: described plug cervical region is provided with cavity, and described cavity extends to bottom plug guide portion and is provided with opening.
By adopting technique scheme, cavity enhances plug cervical region elastic deformability, is conducive to making that sealing ring is comparatively inotropic is connected to bottleneck inwall when plug inserts bottleneck, strengthens the resilient engagement of plug and bottleneck, be conducive to enhancing sealing effectiveness with this.
The present invention is set to further: described plug guide portion is greater than the external diameter of end near the external diameter of plug cervical region.
By adopting technique scheme, when plug is arranged in bottleneck by automatic assembly line machine, by plug guide portion, plug is inserted in bottleneck more smoothly.
The present invention is set to further: the outer inclined-plane linearly vibrational power flow of described plug guide portion.
By adopting technique scheme, the setting of tapered of whole plug guide portion, perisporium is tapered planar, facilitates plug from the smooth and easy insertion bottleneck of the arbitrarily angled guiding by plug guide portion.
The present invention is set to further: the outer inclined-plane of described plug guide portion is that arc-shaped structure is arranged.
By adopting technique scheme, the setting of roughly tapered of whole plug guide portion, perisporium is taper cambered surface, after making sealing ring compressive deformation, plug guide portion can head on sealing ring with sealing ring junction, is conducive to the ability of anti-deformation strengthening sealing ring, improves sealing effectiveness.
The present invention is set to further: the external diameter of described plug cervical region and the internal diameter of bottleneck suitable, the height that described sealing ring protrudes from plug cervical region is 0.5-0.7mm.
By adopting technique scheme, when plug cervical region is inserted in bottleneck, plug cervical region fixes in bottleneck by the extra sealing ring protruding plug cervical region, is not only conducive to improving sealing, also avoids occurring plug jumping phenomenon; And the height that sealing ring protrudes is larger, sealing also brings the problem of installing difficulty while promoting, therefore conveniently effectively install, and improves sealing effectiveness on this basis simultaneously, show through repetition test, when the height that sealing ring protrudes is in the scope of 0.5-0.7mm.Not only increase the success rate of being installed plug by automatic assembly line machine, also on former basis, greatly strengthen sealing effectiveness.
The present invention is set to further: the cross section semicircular in shape vibrational power flow of described sealing ring.
By adopting technique scheme, sealing ring is when bearing the pressure generation distortion that bottleneck brings, and the pressure brought along with bottleneck is larger, and the elastic acting force that semicircular sealing ring produces is also larger, therefore good sealing effect; And because semicircular sealing ring cross sectional dimensions increases from outside to inside gradually, guarantee the continual and steady of sealing effectiveness, be conducive to the service life extending plug.
The present invention is set to further: described plug bizet is arranged with relative to the other end of plug cervical region and increases bullet circle.
By adopting technique scheme, reduce the thickness of plug bizet middle part, thus enhance the elastic deformability of plug bizet, when plug inserts in bottleneck, in bottle, air is discharged by plug cervical region thus forms negative pressure, and the middle part of plug bizet is by stressed slightly recessed downwards, makes plug be attracted on bottleneck, enhance plug and bottle sealing effect.
A fit structure for short neck plug and bottle, also includes bottle, and described bottle opening part inner wall surrounding is provided with the sealing ring suitable with plug cervical region.
By adopting technique scheme, sealing ring is convexly equipped in bottleneck inwall, abuts plug cervical region, is combined with sealing ring and abuts bottleneck inwall, thus greatly strengthen sealing, thus is conducive to the sealing effectiveness improving plug and bottle.
The present invention is set to further: described sealing ring is of a size of the 1.1-1.2 of the width dimensions of sealing ring doubly to the distance of plug bizet.
By adopting technique scheme, because bottleneck can produce extruding force to plug when plug is inserted in bottleneck, plug cervical region leaves the space of plug distortion, sealing ring and plug cervical region is not only enable to produce distortion freely when stressed, size relationship both simultaneously arranging, make the sealing strip forming S shape between sealing ring and sealing ring, be conducive to improving sealing effectiveness; And a progressive restriction is done to the length of sealing cervical region, has more limited the entire length of plug, thus effectively can save raw material.
In sum, the present invention has following beneficial effect: by being convexly equipped in the sealing ring of plug cervical region and plug guide portion junction, make plug cervical region tightr with coordinating of bottleneck, can not only effectively avoid plug jumping phenomenon, the sealing effectiveness of plug can be strengthened simultaneously, and under reasonable arrangement structure, substantially reduce the length of plug cervical region, therefore be conducive to the weight reducing whole plug, effectively save raw material, thus positive reduce production cost.
And plug is when coordinating with bottle, sealing ring and plug cervical region, sealing ring and bottleneck inwall, make plug and bottle achieve dual-seal, substantially increases sealing effectiveness, and also can effectively avoid occurring plug jumping phenomenon.Limit to the length of plug cervical region, the multi sphere shape not only making the sealing between the two of sealing ring and sealing ring form S shape seals, while improving sealing effectiveness, also restriction is made to the length of plug cervical region, can be controlled in rational scope, and the entire length of plug is shortened, thus reach the effect saved material.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of short neck plug;
Fig. 2 is the part section structural representation of bottle;
Fig. 3 is the assembling cross-sectional view that short neck plug is fastened on bottle.
Reference numeral: 1, plug bizet; 11, bullet circle is increased; 2, plug cervical region; 21, cavity; 3, plug guide portion; 4, sealing ring; 5, bottle; 51, sealing ring.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in more detail.The identical Reference numeral of wherein identical parts represents.It should be noted that, the word "front", "rear" of use is described below, "left", "right", "up" and "down" refer to direction in accompanying drawing, word " bottom surface " and " end face ", " interior " and " outward " refer to the direction towards or away from particular elements geometric center respectively.
With reference to shown in Fig. 1, a kind of short neck plug, include plug bizet 1 and the plug cervical region 2 of the coaxial setting of one, plug cervical region 2 has been wholely set plug guide portion 3 relative to the other end of plug bizet 1, plug bizet 1 and plug cervical region 2 and plug guide portion 3 with butyl plastic cement for raw material integrated injection molding, and be convexly equipped with sealing ring 4 at plug cervical region 2 and the junction of plug guide portion 3, sealing ring 4 too with short neck plug integrated injection molding.During injection moulding, the external diameter of plug cervical region 2 is suitable with the internal diameter being mated bottleneck, sealing ring 4 protrudes from plug cervical region 2, abut with bottleneck inwall and seal, and the cross section of sealing ring 4 is arranged semicircular in shape structure, the radius size of sealing ring 4 is 0.5-0.7mm simultaneously; Plug cervical region 2 is provided with cavity 21, cavity 21 extends to bottom plug guide portion 3 and is provided with opening, plug guide portion 3 is greater than the external diameter of end near the external diameter of plug cervical region 2, make plug guide portion 3 in truncated cone, the outer inclined-plane of this plug guide portion 3 can linearly vibrational power flow, also can arrange in arc-shaped structure.Plug bizet 1 is arranged with relative to the other end of plug cervical region 2 and increases bullet circle 11.
The plug of said structure uses automatic assembly line machine to be buckled in bottleneck usually, plug plug guide portion 3 in blanking operation is inserted in bottleneck, facilitate when bottle stopper being pressed down in next step operation and play guiding effect, and the sealing ring 4 of plug cervical region 2 and plug guide portion 3 junction abuts bottleneck inwall inserting after in bottleneck, compare original plug cervical region 2 greatly to strengthen with the pressure that abuts of bottleneck inwall, therefore be conducive to the sealing effectiveness improving plug, effectively solve plug jumping phenomenon simultaneously; And the sealing of sealing ring 4 only needs sealing ring 4 to submerge can produce sealing effectiveness in bottleneck, therefore also without the need to extending the length of plug cervical region 2, thus reduce the length requirement of plug cervical region 2, therefore the weight reducing whole plug is conducive to, effectively save raw material, thus positive reduce production cost.
With reference to shown in Fig. 3, opening is provided with the bottle 5 that short neck plug is suitable, the inwall of opening is convexly equipped with sealing ring 51, the height dimension that sealing ring 51 protrudes is 0.3-0.5mm, this be due to the internal diameter of opening and the external diameter of plug cervical region 2 suitable, for avoiding plug to insert inconvenience, therefore the size of sealing ring 51 is arranged smaller, to improve sealing; When plug inserts in bottleneck, sealing ring 51 bear against plug cervical region 2, sealing ring 4 bear against bottleneck inwall, thus formation double sealing structure, but in order to shorten the length of plug cervical region 2, make sealing ring 51 shorter with the spacing of sealing ring 4, or even be directly bonded, the length of plug cervical region 2 will be shortened, but allow plug cervical region 2 and sealing ring 4 all can effective elasticity be out of shape again, therefore need to leave predetermined deformation space, thus make the distance of sealing ring 4 to plug bizet 1 be of a size of the 1.1-1.2 of the width dimensions of sealing ring 51 doubly.Like this when plug inserts after in bottleneck, sufficient deformation space can be had when plug cervical region 2 and sealing ring 4 compressive deformation, the distortion of plug is full by the gap-fill between sealing ring 4 and sealing ring 51 simultaneously, thus form the curved surface sealing of S shape, substantially increase the sealing effectiveness of plug and bottle 5, also restriction is made to the length of plug cervical region 2, can be controlled in rational scope, and the entire length of plug is shortened, thus reach the effect saved material.
With reference to shown in Fig. 2, in order to reduce the length of plug cervical region 2 further, sealing ring 51 can be arranged on the top of bottle 5 opening, the length that therefore plug cervical region 2 stretches in bottleneck can reduce again.The cross section semicircular in shape vibrational power flow of sealing ring 51, therefore the surface of sealing ring 51 is comparatively round and smooth, and plug is entered more smoothly when filling in.
Below be only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. one kind short neck plug, include plug bizet (1) and the plug cervical region (2) of the coaxial setting of one, it is characterized in that: described plug cervical region (2) has been wholely set plug guide portion (3) relative to the other end of plug bizet (1), described plug cervical region (2) is convexly equipped with sealing ring (4) with the junction of plug guide portion (3).
2. short neck plug according to claim 1, is characterized in that: described plug cervical region (2) is provided with cavity (21), and described cavity (21) extends to plug guide portion (3) bottom and is provided with opening.
3. short neck plug according to claim 1 and 2, is characterized in that: the external diameter of the close plug cervical region (2) of described plug guide portion (3) is greater than the external diameter of end.
4. short neck plug according to claim 3, is characterized in that: the outer inclined-plane linearly vibrational power flow of described plug guide portion (3).
5. short neck plug according to claim 3, is characterized in that: the outer inclined-plane of described plug guide portion (3) is that arc-shaped structure is arranged.
6. short neck plug according to claim 1, is characterized in that: the external diameter of described plug cervical region (2) and the internal diameter of bottleneck suitable, the height that described sealing ring (4) protrudes from plug cervical region (2) is 0.5-0.7mm.
7. short neck plug according to claim 6, is characterized in that: the cross section semicircular in shape vibrational power flow of described sealing ring (4).
8. short neck plug according to claim 1, is characterized in that: described plug bizet (1) is arranged with relative to the other end of plug cervical region (2) and increases bullet circle (11).
9. a kind of short neck plug according to claim 1-8 and the fit structure of bottle, it is characterized in that: also include bottle (5), described bottle (5) opening part inner wall surrounding is provided with the sealing ring (51) suitable with plug cervical region (2).
10. the fit structure of a kind of short neck plug according to claim 9 and bottle, is characterized in that: described sealing ring (4) is of a size of the 1.1-1.2 of the width dimensions of sealing ring (51) doubly to the distance of plug bizet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019513.6A CN105496778A (en) | 2016-01-13 | 2016-01-13 | Short-neck rubber plug and structure thereof for being matched with bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610019513.6A CN105496778A (en) | 2016-01-13 | 2016-01-13 | Short-neck rubber plug and structure thereof for being matched with bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105496778A true CN105496778A (en) | 2016-04-20 |
Family
ID=55705346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610019513.6A Pending CN105496778A (en) | 2016-01-13 | 2016-01-13 | Short-neck rubber plug and structure thereof for being matched with bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105496778A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0230949A (en) * | 1988-07-20 | 1990-02-01 | Fuji Heavy Ind Ltd | Duty solenoid control device |
| CN2478941Y (en) * | 2000-05-22 | 2002-02-27 | 高国卿 | Double-concave spring-proof rubber plug |
| CN2912627Y (en) * | 2006-05-30 | 2007-06-20 | 江阴兰陵瓶塞有限公司 | Transfusion glass bottle |
-
2016
- 2016-01-13 CN CN201610019513.6A patent/CN105496778A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0230949A (en) * | 1988-07-20 | 1990-02-01 | Fuji Heavy Ind Ltd | Duty solenoid control device |
| CN2478941Y (en) * | 2000-05-22 | 2002-02-27 | 高国卿 | Double-concave spring-proof rubber plug |
| CN2912627Y (en) * | 2006-05-30 | 2007-06-20 | 江阴兰陵瓶塞有限公司 | Transfusion glass bottle |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160420 |