CN205459879U - Short neck plug - Google Patents
Short neck plug Download PDFInfo
- Publication number
- CN205459879U CN205459879U CN201620028179.6U CN201620028179U CN205459879U CN 205459879 U CN205459879 U CN 205459879U CN 201620028179 U CN201620028179 U CN 201620028179U CN 205459879 U CN205459879 U CN 205459879U
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- CN
- China
- Prior art keywords
- plug
- guide portion
- cervical region
- sealing ring
- neck
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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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Abstract
The utility model discloses a short neck plug, its technical scheme main points are including plug crown (1) of the coaxial setting of an organic whole and plug neck (2), plug neck (2) are provided with plug guide portion (3) for other end an organic whole of plug crown (1), protruding be equipped with sealing ring (4) in junction of plug neck (2) and plug guide portion (3). Utilize the protruding sealing ring of locating the plug neck to the butt pressure of reinforcing plug neck and bottleneck, thus the leakproofness of plug neck strengthened, consequently be favorable to reducing the length of whole plug neck, and establish in the junction of plug neck and plug guide portion the sealing ring is protruding, in intelligent use guide portion, reduced the plug neck length of sealing ring to plug guide portion, consequently also be favorable to reducing the whole length of plug neck, not only reduced the whole weight of plug, also the effectual raw and other materials of having saved to positive reduction manufacturing cost.
Description
Technical field
This utility model relates to the sealed piece of a kind of containers for medical use, more specifically, it relates to a kind of short neck plug.
Background technology
Medical rubber plug is the sealed piece of bottled medicine, now widely used medical rubber plug includes superposed plug bizet and the plug cervical region being positioned under it being attached thereto, during during use, plug cervical region fills in medicine bottle opening, plug bizet is pressed in bottleneck, thus realizes sealing.
The Chinese patent of Application No. 201310565613.5 discloses 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 is downwardly projecting 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 plug cervical region form dual pressurize effect, although being conducive to strengthening blood taking tube negative pressure holding capacity, 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 the longest, plug is the biggest also the best with regard to sealing with the contact area of bottleneck, otherwise the poorest；Therefore to strengthen the sealing of plug, the fitting in of this structure can not effectively save raw material after needing to strengthen the length of plug cervical region, it is therefore desirable to while one can reduce plug neck length, the short neck plug that can effectively seal again.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of short neck plug, and this plug can reduce again the length of plug cervical region while effectively maintaining sealing effectiveness.
For achieving the above object, this utility model provides following technical scheme: a kind of short neck plug, include the plug bizet and plug cervical region being integrally coaxially disposed, described plug cervical region has been wholely set plug guide portion relative to the other end of plug bizet, and described plug cervical region is convexly equipped with sealing ring with the junction of plug guide portion.
By using technique scheme, utilize the sealing ring being convexly equipped in plug cervical region, to strengthen the abutting pressure of plug cervical region and bottleneck, thus strengthen the sealing of plug cervical region, be thus advantageous to reduce the length of whole plug cervical region；And by sealing ring projection in the junction of plug cervical region Yu plug guide portion, while reasonable employment guide portion, decrease sealing ring to the plug neck length of plug guide portion, therefore it is also beneficial to reduce the entire length of plug cervical region, not only reduce the overall weight of plug, the most effectively save raw material, thus positive reduce production cost.
This utility model is further arranged to: described plug cervical region is provided with cavity, and described cavity extends to be provided with opening bottom plug guide portion.
By using technique scheme, cavity enhances plug cervical region elastic deformability, is conducive to making that sealing ring is the most inotropic is connected to bottleneck inwall when plug inserts bottleneck, and the resilient engagement strengthening plug and bottleneck with this is conducive to strengthening sealing effectiveness.
This utility model is further arranged to: described plug guide portion near the external diameter of plug cervical region more than the external diameter of end.
By using technique scheme, make plug pass through automatic assembly line machine when being arranged in bottleneck, enable plug to be inserted into more smoothly in bottleneck by plug guide portion.
This utility model is further arranged to: the outer inclined-plane linearly structure of described plug guide portion is arranged.
By using technique scheme, the setting of tapered of whole plug guide portion, perisporium is tapered planar, facilitates plug in the arbitrarily angled guiding by plug guide portion smooth and easy insertion bottleneck.
This utility model is further arranged to: the outer inclined-plane of described plug guide portion is that arc-shaped structure is arranged.
By using technique scheme, the setting of generally conical shape 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 strengthening the ability of anti-deformation of sealing ring, improves sealing effectiveness.
This utility model is further arranged to: the external diameter of described plug cervical region is suitable with the internal diameter of bottleneck.
By using technique scheme, when making plug cervical region insert in bottleneck, plug cervical region is fixed in bottleneck by the extra sealing ring protruding plug cervical region, not only contributes to improve sealing, also avoids the occurrence of plug jumping phenomenon.
This utility model is further arranged to: it is 0.5-0.7mm that described sealing ring protrudes from the height of plug cervical region.
By using technique scheme, the height that sealing ring protrudes is the biggest, sealing also brings installation difficulty problem while promoting, therefore to installation easily and effectively, improve sealing effectiveness on this basis simultaneously, show through repetition test, when the height that sealing ring protrudes is in the range of 0.5-0.7mm.Not only increase the success rate being installed plug by automatic assembly line machine, on the basis of former, also greatly strengthen sealing effectiveness.
This utility model is further arranged to: the cross section semicircular in shape structure of described sealing ring is arranged.
By using technique scheme, sealing ring is when bearing the pressure that bottleneck brought and being deformed, and the pressure brought along with bottleneck is the biggest, and the elastic acting force that semicircular sealing ring produces is the biggest, therefore good sealing effect；And owing to semicircular sealing ring cross sectional dimensions is gradually increased from outside to inside, it is ensured that sealing effectiveness continual and steady, be conducive to extending the service life of plug.
This utility model is further arranged to: described plug bizet is arranged with increasing bullet circle relative to the other end of plug cervical region.
By using technique scheme, reduce the thickness of plug bizet middle part, thus enhance the elastic deformability of plug bizet, when plug inserts in bottleneck, the interior air of bottle is discharged by plug cervical region thus is formed negative pressure, and the middle part of plug bizet is by the most slightly concave for stress, make plug be attracted on bottleneck, enhance plug and bottle sealing effect.
In sum, this utility model has the advantages that the sealing ring by being convexly equipped in plug cervical region and plug guide portion junction, make plug cervical region tightr with coordinating of bottleneck, plug jumping phenomenon can not only be prevented effectively from, can strengthen the sealing effectiveness of plug simultaneously, and under reasonable arrangement structure, substantially reduce the length of plug cervical region, be thus advantageous to reduce the weight of whole plug, effectively save raw material, thus positive reduce production cost.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of short neck plug.
Reference: 1, plug bizet；11, bullet circle is increased；2, plug cervical region；21, cavity；3, plug guide portion；4, sealing ring.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is further described.The most identical parts are presented with like reference characters.It should be noted that, in describing below, the word "front", "rear" of use, "left", "right", "up" and "down" refer to the direction in accompanying drawing, and word " bottom surface " and " end face ", " interior " and " outward " refer respectively to the direction towards or away from particular elements geometric center.
With reference to shown in Fig. 1, a kind of short neck plug, include the plug bizet 1 and plug cervical region 2 being integrally coaxially disposed, 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 are with butyl plastic cement for raw material integrated injection molding, and be convexly equipped with sealing ring 4 in the junction of plug cervical region 2 with plug guide portion 3, sealing ring 4 too with short neck plug integrated injection molding.The external diameter of plug cervical region 2 and coordinate the internal diameter of bottleneck suitable with it during injection, sealing ring 4 protrudes from plug cervical region 2, abutting sealing with bottleneck inwall, and the cross section of sealing ring 4 arranges 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 be provided with opening bottom plug guide portion 3, plug guide portion 3 near the external diameter of plug cervical region 2 more than the external diameter of end, make plug guide portion 3 in truncated cone, the outer inclined-plane of this plug guide portion 3 can linearly structure be arranged, it is also possible to arranges in arc-shaped structure.Plug bizet 1 is arranged with increasing bullet circle 11 relative to the other end of plug cervical region 2.
The plug of said structure generally uses automatic assembly line machine to be buckled in bottleneck, plug plug guide portion 3 in blanking operation is inserted in bottleneck, facilitate in next step operation and will play guiding effect when pressing under bottle stopper, and the sealing ring 4 of plug cervical region 2 and plug guide portion 3 junction abuts bottleneck inwall after inserting in bottleneck, the abutting pressure comparing original plug cervical region 2 and bottleneck inwall is greatly enhanced, it is thus advantageous to improve the sealing effectiveness of plug, effectively solves plug jumping phenomenon simultaneously；And the sealing of sealing ring 4 only needs to submerge in bottleneck sealing ring 4 to produce sealing effectiveness, therefore without the length extending plug cervical region 2, thus reduce the length requirement of plug cervical region 2, it is thus advantageous to reduce the weight of whole plug, effectively save raw material, thus positive reduce production cost.
Below being only preferred implementation of the present utility model, protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (9)
1. one kind short neck plug, include the plug bizet (1) and plug cervical region (2) being integrally coaxially disposed, 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).
Short neck plug the most 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.
Short neck plug the most 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 more than the external diameter of end.
Short neck plug the most according to claim 3, is characterized in that: the outer inclined-plane linearly structure of described plug guide portion (3) is arranged.
Short neck plug the most 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.
Short neck plug the most according to claim 1, is characterized in that: the external diameter of described plug cervical region (2) is suitable with the internal diameter of bottleneck.
Short neck plug the most according to claim 6, is characterized in that: it is 0.5-0.7mm that described sealing ring (4) protrudes from the height of plug cervical region (2).
8. according to the short neck plug described in claim 6 or 7, it is characterized in that: the cross section semicircular in shape structure of described sealing ring (4) is arranged.
Short neck plug the most according to claim 1, is characterized in that: described plug bizet (1) is arranged with increasing bullet circle (11) relative to the other end of plug cervical region (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620028179.6U CN205459879U (en) | 2016-01-13 | 2016-01-13 | Short neck plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620028179.6U CN205459879U (en) | 2016-01-13 | 2016-01-13 | Short neck plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205459879U true CN205459879U (en) | 2016-08-17 |
Family
ID=56667355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620028179.6U Active CN205459879U (en) | 2016-01-13 | 2016-01-13 | Short neck plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205459879U (en) |
-
2016
- 2016-01-13 CN CN201620028179.6U patent/CN205459879U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |