CN203749904U - Cover nozzle sealing structure of hemoperfutor - Google Patents
Cover nozzle sealing structure of hemoperfutor Download PDFInfo
- Publication number
- CN203749904U CN203749904U CN201420065988.5U CN201420065988U CN203749904U CN 203749904 U CN203749904 U CN 203749904U CN 201420065988 U CN201420065988 U CN 201420065988U CN 203749904 U CN203749904 U CN 203749904U
- Authority
- CN
- China
- Prior art keywords
- spout
- sealing cap
- wall
- inner ring
- cover nozzle
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 49
- 230000008081 blood perfusion Effects 0.000 claims description 12
- 238000010276 construction Methods 0.000 claims description 10
- 230000013011 mating Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000019423 liver disease Diseases 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 208000005374 Poisoning Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 208000017169 kidney disease Diseases 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Closures For Containers (AREA)
Abstract
The utility model discloses a cover nozzle sealing structure of a hemoperfutor. The cover nozzle sealing structure comprises an end cap with a cover nozzle, and a sealing cap. A circle of surrounding wall is raised around the cover nozzle, the surrounding wall is provided with an internal thread, the outer wall of the cover nozzle has conicity, the sealing cap is integrally divided into an inner ring and an outer ring, the outer wall of the inner ring is provided with an external thread matched with the internal thread of the surrounding wall, a blind hole is formed on the inner wall of the inner ring, and a rubber plug which bulges the tail end of the blind hole, is integrally in the shape of a long cylinder, seals an opening of the cover nozzle and is basically positioned outside the opening of the cover nozzle. By the cover nozzle sealing structure, the matching state of the inner wall of the inner ring of the sealing cap and the rubber plug is improved; when the sealing cap is screwed with the surrounding wall, counteracting force of the rubber plug upwards supports the sealing cap to eliminate a gap between the external thread of the inner ring of the sealing cap and the internal thread of the surrounding wall, so that good sealing effect can be realized, and the sealing cap can be matched with the cover nozzle without utilizing obliquity of the inner wall of the inner ring. The cover nozzle sealing structure can be used in the hemoperfutor.
Description
Technical field
This utility model relates to medical instruments field, particularly the spout hermetically-sealed construction of blood perfusion device wherein.
Background technology
Blood perfusion device is a kind of medical supplies, and it is common in the section office such as each Blood Purification Center, emergency department, Urology Department, hepatopathy section, ICU, plays an important role in occasions such as treating and process medicine and toxic poisoning, hepatopathy, nephropathy, severe infection.Usually, blood perfusion device entirety is cylindrical shape, the plastic cylinder that main body is lightweight, and two open ends, and be equipped with head and have the end cap of spout.Described spout has the tapering of standard, is not allow change.Then, spout coordinates with a sealing cap stifled spout real sealing.The stifled real sealing is here achieved in that sealing cap entirety is divided into inside and outside two circles, and the outer wall of inner ring has external screw thread, and the inwall of inner ring has gradient, makes the shape of mating with spout tapering, and the top of inner ring is provided with the plug being hidden in sealing cap; End cap rises a corral wall around round spout, and leg inwall has female thread.When assembling, interior ring outer wall and leg inwall screw, and rely on the gradient of inner ring inwall and spout tapering to compress, and force plug put in spout simultaneously and block.But, 1., spout size is standard such hermetically-sealed construction has these shortcomings:, do not allow to change, the gradient of so described inner ring inwall is had to and the taper fit of spout, therefore the gradient of inner ring inwall must be carried out accuracy detection in processing technology, but sealing cap size is little, add it is ectonexine structure, testing tool is difficult to stretch into; 2., current plug makes " T " word shape substantially, upper strata is thin, lower segment length, object is will try one's best to be deeply tucked in spout, but plug easily gets loose in installing, carrying from sealing cap like this, and often sealing cap thrust is inadequate, and plug still can not seal spout completely.
Utility model content
The technical problems to be solved in the utility model is: a kind of spout hermetically-sealed construction of blood perfusion device is provided, and it need not detect the gradient of sealing cap inner ring inwall in manufacturing process.
The solution that this utility model solves its technical problem is:
The spout hermetically-sealed construction of blood perfusion device, comprise the end cap with spout, rise one corral wall around spout, leg has female thread, spout outer wall has tapering, this utility model also comprises sealing cap, sealing cap entirety is divided into inside and outside two circles, the outer wall of inner ring has the external screw thread with leg screw-internal thread fit, the inwall of inner ring forms coaxial with spout, aperture is greater than spout external diameter, the blind hole that Open Side Down, in blind hole, be provided with support swollen live blind hole end, entirety is elongated cylindrical, block the opening of spout but be substantially positioned at the plug outside the opening of spout.
As the further improvement of technique scheme, described blind hole is isometrical straight hole.
As the further improvement of technique scheme, under the outer ring of sealing cap, cover, wrap the leg surrounding of tight end cap, the upper surface of described end cap is being provided with the floating-point of conflicting with the lower end of the outer ring of sealing cap near the lower end of the outer ring of sealing cap.
As the further improvement of technique scheme, the lower end of plug is provided with the tip mating with the opening size of spout.
The beneficial effects of the utility model are: this utility model has improved the mated condition of sealing cap inner ring inwall and plug, plug is set as to the swollen residence of support and states blind hole end, entirety is the form of elongated cylindrical, like this after sealing cap and leg are tightened, plug can be subject to the compressing at upper and lower two places and produce counteracting force, to on sealing cap, push up, thereby the fit clearance still existing between sealing cap inner ring external screw thread and leg female thread is eliminated, thus, plug and sealing cap inner ring add leg and have been enough to play good sealing effectiveness, gradient without recycling inner ring inwall coordinates with spout, be in production process, the precision of described blind hole is unimportant, needn't detect separately.This utility model is simple in structure, is skillfully constructed, and favorable sealing property, production assembling is easy, can in blood perfusion device, use.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in this utility model embodiment, below the accompanying drawing of required use during embodiment is described is briefly described.Obviously, described accompanying drawing is a part of embodiment of the present utility model, instead of whole embodiment, and those skilled in the art is not paying under the prerequisite of creative work, can also obtain other designs and accompanying drawing according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below with reference to embodiment and accompanying drawing, the technique effect of design of the present utility model, concrete structure and generation is clearly and completely described, to understand fully the purpose of this utility model, feature and effect.Obviously; described embodiment is a part of embodiment of the present utility model, instead of whole embodiment, based on embodiment of the present utility model; other embodiment that those skilled in the art obtains under the prerequisite of not paying creative work, all belong to the scope that this utility model is protected.In addition, all connection/annexations of mentioning in literary composition, not singly refer to that member directly joins, and refer to and can, according to concrete performance, connect auxiliary by adding or reducing, and form more excellent draw bail.Each technical characterictic in the invention, can combination of interactions under the prerequisite of not conflicting conflict.
With reference to Fig. 1, the spout hermetically-sealed construction of blood perfusion device, comprise the end cap with spout 1, rise one corral wall 2 around spout 1, leg 2 has female thread, spout 1 outer wall has tapering, this utility model also comprises sealing cap 3, sealing cap 3 entirety are divided into inside and outside two circles, the outer wall of inner ring has the external screw thread with leg 2 screw-internal thread fit, the inwall of inner ring forms coaxial with spout 1, aperture is greater than spout 1 external diameter, the blind hole that Open Side Down, in blind hole, be provided with support swollen live blind hole end, entirety is elongated cylindrical, block the opening of spout 1 but be substantially positioned at the plug 4 outside the opening of spout 1.Certainly, said blind hole end here, does not represent it must is least significant end, depends on situation between plug 4 and sealing cap 3, to establish into the adminicle such as packing ring, elastic component.
Be further used as preferred embodiment, described blind hole is isometrical straight hole.For easy to make, making blind hole is isometrical straight hole.But in fact, because the present embodiment is without requiring as tradition, blind hole need to have the gradient of cooperation, therefore as long as can hold spout 1 passes in and out, blind hole is arranged to any shape, inner wall coarse also can.
Be further used as preferred embodiment, under the outer ring of sealing cap 3, cover, wrap leg 2 surroundings of tight end cap, the upper surface of described end cap is being provided with the floating-point 5 of conflicting with the lower end of the outer ring of sealing cap 3 near the lower end of the outer ring of sealing cap 3.Particularly, the circle point of described floating-point 5 for protruding, the lower end of the outer ring of sealing cap 3 can be done more coarsely a little, and after sealing cap screws, lower end, outer ring and floating-point 5 are conflicted and are rubbed, and can prevent that sealing cap rotation from getting loose, and play self-locking action.
Be further used as preferred embodiment, the lower end of plug 4 is provided with the tip mating with the opening size of spout 1.While tightening, described tip can extend in spout 1 opening, enhanced leaktightness.But because plug of the present utility model is mainly in the outer swelling of spout 1 in the time working, so sealing is than good in the interior swelling of spout 1 merely.
Above preferred embodiments of the present utility model is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the prerequisite without prejudice to this utility model spirit, and the modification that these are equal to or replacement are all included in the application's claim limited range.
Claims (4)
1. the spout hermetically-sealed construction of blood perfusion device, comprise the there is spout end cap of (1), rise one corral wall (2) around spout (1), leg (2) has female thread, spout (1) outer wall has tapering, it is characterized in that: also comprise sealing cap (3), sealing cap (3) entirety is divided into inside and outside two circles, the outer wall of inner ring has the external screw thread with leg (2) screw-internal thread fit, the inwall of inner ring forms coaxial with spout (1), aperture is greater than spout (1) external diameter, the blind hole that Open Side Down, in blind hole, be provided with support swollen live blind hole end, entirety is elongated cylindrical, block the opening of spout (1) but be substantially positioned at the plug (4) outside the opening of spout (1).
2. the spout hermetically-sealed construction of blood perfusion device according to claim 1, is characterized in that: described blind hole is isometrical straight hole.
3. the spout hermetically-sealed construction of blood perfusion device according to claim 1, it is characterized in that: under the outer ring of sealing cap (3), cover, wrap leg (2) surrounding of tight end cap, the upper surface of described end cap is being provided with the floating-point (5) of conflicting with the lower end of the outer ring of sealing cap (3) near the lower end of the outer ring of sealing cap (3).
4. the spout hermetically-sealed construction of blood perfusion device according to claim 1, is characterized in that: the lower end of plug (4) is provided with the tip mating with the opening size of spout (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065988.5U CN203749904U (en) | 2014-02-14 | 2014-02-14 | Cover nozzle sealing structure of hemoperfutor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420065988.5U CN203749904U (en) | 2014-02-14 | 2014-02-14 | Cover nozzle sealing structure of hemoperfutor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203749904U true CN203749904U (en) | 2014-08-06 |
Family
ID=51245212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420065988.5U Expired - Lifetime CN203749904U (en) | 2014-02-14 | 2014-02-14 | Cover nozzle sealing structure of hemoperfutor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203749904U (en) |
-
2014
- 2014-02-14 CN CN201420065988.5U patent/CN203749904U/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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |