CN204543649U - A kind of blood-component separating cup dynamic sealing system - Google Patents
A kind of blood-component separating cup dynamic sealing system Download PDFInfo
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- CN204543649U CN204543649U CN201520200879.4U CN201520200879U CN204543649U CN 204543649 U CN204543649 U CN 204543649U CN 201520200879 U CN201520200879 U CN 201520200879U CN 204543649 U CN204543649 U CN 204543649U
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Abstract
The utility model discloses a kind of blood-component separating cup dynamic sealing system, comprise separate cup rotating cylinder 1, upper cover 2, lower cover 3, static seal parts 4, movable sealing parts 5, runner 6 is formed between described upper cover 2, lower cover 3, described static seal parts 4, separate cup rotating cylinder 1 are set in outside upper cover 2, described movable sealing parts 5 are arranged on separate cup rotating cylinder 1, and described static seal parts 4 contact with movable sealing parts 5 and arrange.The utility model provides simple, the rationally stable and dynamic sealing system be skillfully constructed of a kind of principle, make it the neck surrounding when separate cup High Rotation Speed and keep dynamic seal (packing), thus overcome the large problem of dynamic seal (packing) difficulty, improve the reliability of product greatly.
Description
Technical field
The utility model relates to a kind of key components and parts of single use list blood sampling component separator, the dynamic sealing system specifically between a kind of separate cup rotating cylinder and static head.
Background technology
Separate cup rotating cylinder and static head are the critical components that blood component is separated.Carry out separating blood composition by the centrifugal force of the High Rotation Speed of separate cup rotating cylinder, and realize the turnover of liquid in rotating cylinder by static head.Because when using, static head is fixed on blood component seperator cylinder cap, and separate cup rotating cylinder is fixed on the rotating base of blood component seperator, constantly increased by liquid in rotating cylinder during rotating base drive separate cup rotating cylinder High Rotation Speed (5500r/min), when liquid level exceedes rotating cylinder upper end by during by static head fluid, will produce certain pressure to the seal between rotating cylinder and static head, this just proposes very high requirement to the sealing property of this position under the condition of High Rotation Speed.
Summary of the invention
For now at present Problems existing and deficiency, provide a kind of, concrete technical scheme is as follows:
A kind of blood-component separating cup dynamic sealing system, comprise separate cup rotating cylinder 1, upper cover 2, lower cover 3, static seal parts 4, movable sealing parts 5, runner 6 is formed between described upper cover 2, lower cover 3, described static seal parts 4, separate cup rotating cylinder 1 are set in outside upper cover 2, described movable sealing parts 5 are arranged on separate cup rotating cylinder 1, and described static seal parts 4 contact with movable sealing parts 5 and arrange.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described static seal parts 4 comprise obturating cup 7, sealing gasket 8, and described sealing gasket 8 top arranges sealing gasket upper end boss 9, and described sealing gasket 8 bottom arranges sealing gasket lower end boss 10; Described obturating cup lower end 11 is set in outside sealing gasket upper end boss 9, arranges obturating cup lower end sealing ring 12 inside described obturating cup lower end 11, and described obturating cup lower end sealing ring 12 and sealing gasket upper end boss 9 form tight fit.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described separate cup rotating cylinder 1 arranges groove 13, and described movable sealing parts 5 are arranged in groove 13, and described movable sealing member upper surface 14 contacts with sealing gasket lower end boss 10 and arranges.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described movable sealing parts 5 are sealing ring, and the cross section of described sealing ring is L shape or square, and described sealing ring upper surface contacts with sealing gasket lower end boss 10 and arranges.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described upper cover 2 comprises upper cover lid 15, upper cover body 16, described upper cover lid 15 is arranged in separate cup rotating cylinder 1, described static seal parts 4, separate cup rotating cylinder 1 are set in outside upper cover body 16, described in state static seal parts 4 and be positioned at separate cup rotating cylinder 1 top.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described obturating cup 7 material is silicon rubber, the aperture of described obturating cup circular hole 25 is less than the external diameter of upper cover body 16, described upper cover body 16 upper outside arranges positioning boss 18,19 positioning boss 18 places being enclosed within upper cover body 16 bottom described obturating cup.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described sealing gasket 8 is the composite material of phenolic resins and graphite.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described movable sealing parts 5 material is ceramic material.
Alternately, above-mentioned a kind of blood-component separating cup dynamic sealing system, described system also comprises static 20, seperator cylinder cap 21, described static 20 is fixed on seperator cylinder cap 21, described static 20 is set in outside upper cover 2, and static head positioning end 22 is arranged on static seal parts 4 upper end.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
1, the blood-component separating cup dynamic sealing system in the present invention, structure is simple, comprise separate cup rotating cylinder, upper cover, lower cover, static seal parts, movable sealing parts, no matter utilize the structure of itself, static seal parts, movable sealing parts are reasonably combined, be static, or motion, the bottom of static seal parts is implemented to contact with the top of movable sealing parts and is realized sealing, thus overcomes the large problem of dynamic seal (packing) difficulty, improves the reliability of product greatly.
2, the sealing outside separate cup rotating cylinder and upper cover body is transformed in order to the sealing between static sealing portion part and movable sealing parts.In this case, to allow inside separate cup rotating cylinder upper end circular hole and outside upper cover body between stay certain gap, avoid producing during sideway swivel outer with upper cover body inside the circular hole of rotating cylinder upper end rubbing, during separate cup High Rotation Speed, neck surrounding still keeps dynamic seal (packing), turn reduce the wearing and tearing between parts simultaneously, greatly reduce the maintenance in parts later stage and the cost of replacing.Because the sealing outside just separate cup rotating cylinder and upper cover body transforms in order to the sealing between static sealing portion part and movable sealing parts, described static seal parts, movable sealing parts are easy to removal and installation, are easy to change after static seal parts, movable sealing component wear.
Accompanying drawing explanation
The utility model illustrates by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is the structural representation of a kind of blood-component separating cup dynamic sealing system of the utility model;
Fig. 2 is a kind of blood-component separating cup dynamic sealing system A place of the utility model detail view;
Fig. 3 is the structural representation of obturating cup in a kind of blood-component separating cup dynamic sealing system of the utility model;
Fig. 4 is the B place detail view of obturating cup in a kind of blood-component separating cup dynamic sealing system of the utility model;
Fig. 5 is the C place detail view of obturating cup in a kind of blood-component separating cup dynamic sealing system of the utility model;
Fig. 6 is the structural representation of sealing gasket in a kind of blood-component separating cup dynamic sealing system of the utility model;
Fig. 7 is the structural representation of movable sealing parts in a kind of blood-component separating cup dynamic sealing system of the utility model.
Reference numeral: 1 is separate cup rotating cylinder, 2 is upper cover, 3 is lower cover, 4 is static seal parts, 5 is movable sealing parts, 6 is runner, 7 is obturating cup, 8 is sealing gasket, 9 is sealing gasket upper end boss, 10 is sealing gasket lower end boss, 11 is obturating cup lower end, 12 is obturating cup lower end sealing ring, 13 is groove, 14 is movable sealing member upper surface, 15 is upper cover lid, 16 is upper cover body, 17 is inside obturating cup circular hole, 18 is positioning boss, 19 is bottom obturating cup, 20 is static head, 21 is seperator cylinder cap, 22 is static head positioning end, 23 is inside the circular hole of rotating cylinder upper end, 24 is outside upper cover body, 25 is obturating cup circular hole, 26 is upper recess bottom obturating cup, 27 is lower end groove bottom obturating cup, 28 is obturating cup central slot, 29 is sealing gasket circular hole, 30 is movable sealing parts circular hole.
Detailed description of the invention
All features disclosed in this description, or the step in disclosed all methods or process, except mutually exclusive feature and/or step, all can combine by any way.
The utility model provides simple, the rationally stable and dynamic sealing system be skillfully constructed of a kind of principle, make it the neck surrounding when separate cup High Rotation Speed and keep dynamic seal (packing), thus overcome the large problem of dynamic seal (packing) difficulty, improve the reliability of product greatly.
As shown in Figure 1, a kind of blood-component separating cup dynamic sealing system, comprise separate cup rotating cylinder 1, upper cover 2, lower cover 3, static seal parts 4, movable sealing parts 5, runner 6 is formed between described upper cover 2, lower cover 3, described static seal parts 4, separate cup rotating cylinder 1 are set in outside upper cover 2, described movable sealing parts 5 are arranged on separate cup rotating cylinder 1, and described static seal parts 4 contact with movable sealing parts 5 to arrange and realize sealing.
As shown in Figure 2 and Figure 3, described static seal parts 4 comprise obturating cup 7, sealing gasket 8, and described obturating cup 7 is inverted and is arranged, and as shown in Figure 6, described sealing gasket 8 top arranges sealing gasket upper end boss 9, and described sealing gasket 8 bottom arranges sealing gasket lower end boss 10; As shown in Figure 2, described obturating cup lower end 11 is set in outside sealing gasket upper end boss 9, arrange obturating cup lower end sealing ring 12 inside described obturating cup lower end 11 as shown in Fig. 3, Fig. 5, described obturating cup lower end sealing ring 12 and sealing gasket upper end boss 9 form tight fit.
As shown in Fig. 2, Fig. 7, described separate cup rotating cylinder 1 arranges groove 13, and described movable sealing parts 5 are arranged in groove 13, and described movable sealing member upper surface 14 contacts with sealing gasket lower end boss 10 and arranges.Described movable sealing parts 5 are sealing ring, and the cross section of described sealing ring is L shape or square, and described sealing ring upper surface contacts with sealing gasket lower end boss 10 and is provided with sealing.
Described upper cover 2 comprises upper cover lid 15, upper cover body 16, and described upper cover lid 15 is arranged in separate cup rotating cylinder 1, and described static seal parts 4, separate cup rotating cylinder 1 are set in outside upper cover body 16, described in state static seal parts 4 and be positioned at separate cup rotating cylinder 1 top.
Described obturating cup 7 material is silicon rubber, the aperture of described obturating cup circular hole 25 is less than the external diameter of upper cover body 16, described upper cover body 16 upper outside arranges positioning boss 18,19 positioning boss 18 places being enclosed within upper cover body 16 bottom described obturating cup, described positioning boss 18 pairs of obturating cups 7 carry out spacing and location, prevent obturating cup 7 from moving up and down.Described sealing gasket 8 is the composite material of phenolic resins and graphite.Described movable sealing parts 5, such as sealing ring material is ceramic material.
Described system also comprises static 20, seperator cylinder cap 21, described static 20 is fixed on seperator cylinder cap 21, described static 20 is set in outside upper cover 2, described static head positioning end 22 is arranged on 19 upper ends bottom obturating cup, the positioning boss 18 that described described upper cover body 16 upper outside is arranged is positioned at 19 lower ends bottom obturating cup, and static head positioning end 22 coordinates with positioning boss 18, implements location and sealing to envelope bowl bottom 19, belong to static seal herein, do not relate to motion.As shown in Figure 4, bottom described obturating cup 19 upper, lower end arranges upper recess 26 bottom obturating cup respectively, lower end groove 27 bottom obturating cup, described static head positioning end 22 is installed on upper recess 26 place bottom obturating cup, described positioning boss 18 is installed on lower end groove 27 place bottom obturating cup, upper recess 26 bottom described obturating cup, bottom obturating cup, lower end groove 27 not only can enhanced leaktightness, more provide the effect of guiding and location, envelope bowl bottom 19 is better engaged with positioning boss 18 by static head positioning end 22, prevent its displacement and come off, also the effect of sealing is served better.At the middle part of obturating cup 7, obturating cup central slot 28 is set, this groove is set, obturating cup 7 is made to form a flexible structure that can stretch under in the vertical direction, at sealing gasket 8 and movable sealing parts 5, such as sealing ring, sealing contact surface vibrate, or separate cup occur vibration time, envelope bowl central slot 28 can absorb, overcome this vibration, thus improves the stability of sealing system.
During use, as shown in Figure 1, along with separate cup rotating cylinder 1 inside liquid level rises gradually, after liquid level arrives lower cover 3 lower end, due to needs to avoid outside upper cover body 24 with rotating cylinder upper end circular hole inside 23 rotate time produce and rub, so there is a visible gap between it, so along with the rising of liquid level, the gas of separate cup rotating cylinder 1 upper end has two passes circle 1 and circle 2 in theory, the liquid outlet of static 20 can be arrived by runner circle 1, cavity circle 3, circle 4, circle 5 can be led to by runner circle 2.Described cavity circle 4, to enclose 5 places be static seal, and described cavity circle 3 place is movable sealing.Described static seal parts 4 maintain static, and described movable sealing parts 5 rotate along with separate cup rotating cylinder 1.Described static seal parts 4 comprise obturating cup 7, sealing gasket 8, described obturating cup 7 material is silicon rubber, the aperture of its obturating cup circular hole 25 is slightly less than the external diameter of upper cover body 16, small end outside 17 bodys 16 being enclosed within upper cover tightly inside described obturating cup circular hole, thus make to keep sealing inside obturating cup circular hole 25, prevent the gas in cavity circle 5 or liquid from being leaked by upper end, obturating cup lower end sealing ring 12 is arranged on the inner side of obturating cup lower end 11, its function forms tight fit with sealing gasket upper end boss 9, thus prevent the gas in cavity circle 4 or liquid by leaking herein, sealing gasket 8 is the composite material of phenolic resins and graphite, movable sealing parts 5, the material of such as sealing ring is the pottery of surfacing, sealing gasket lower end boss 10 and the friction of sealing ring upper surface in running, due to the characteristic of this bi-material, its sealing can be fairly good, even sealing ring upper surface has trickle out-of-flatness, owing to containing graphite component in sealing gasket 8, a small amount of graphite powder that can rub in the position of injustice makes up its defect, thus raising sealing property.
The utility model is not limited to aforesaid detailed description of the invention.The utility model expands to any new feature of disclosing in this manual or any combination newly, and the step of the arbitrary new method disclosed or process or any combination newly.
Claims (9)
1. a blood-component separating cup dynamic sealing system, comprise separate cup rotating cylinder (1), upper cover (2), lower cover (3), static seal parts (4), movable sealing parts (5), it is characterized in that: between described upper cover (2), lower cover (3), form runner (6), described static seal parts (4), separate cup rotating cylinder (1) are set in upper cover (2) outside, described movable sealing parts (5) are arranged on separate cup rotating cylinder (1), and described static seal parts (4) contact with movable sealing parts (5) and arrange.
2. a kind of blood-component separating cup dynamic sealing system as claimed in claim 1, it is characterized in that: described static seal parts (4) comprise obturating cup (7), sealing gasket (8), described sealing gasket (8) top arranges sealing gasket upper end boss (9), and described sealing gasket (8) bottom arranges sealing gasket lower end boss (10); Described obturating cup lower end (11) is set in outside, sealing gasket upper end boss (9), described obturating cup lower end (11) inner side arranges obturating cup lower end sealing ring (12), and described obturating cup lower end sealing ring (12) and sealing gasket upper end boss (9) form tight fit.
3. a kind of blood-component separating cup dynamic sealing system as claimed in claim 2, it is characterized in that: described separate cup rotating cylinder (1) arranges groove (13), described movable sealing parts (5) are arranged in groove (13), and described movable sealing member upper surface (14) contacts with sealing gasket lower end boss (10) and arranges.
4. a kind of blood-component separating cup dynamic sealing system as claimed in claim 3, it is characterized in that: described movable sealing parts (5) are sealing ring, the cross section of described sealing ring is L shape or square, and described sealing ring upper surface contacts with sealing gasket lower end boss (10) and arranges.
5. a kind of blood-component separating cup dynamic sealing system as claimed in claim 1, it is characterized in that: described upper cover (2) comprises upper cover lid (15), upper cover body (16), described upper cover lid (15) is arranged in separate cup rotating cylinder (1), described static seal parts (4), separate cup rotating cylinder (1) are set in upper cover body (16) outside, described in state static seal parts (4) and be positioned at separate cup rotating cylinder (1) top.
6. a kind of blood-component separating cup dynamic sealing system as claimed in claim 5, it is characterized in that: described obturating cup (7) material is silicon rubber, the aperture of described obturating cup circular hole (25) is less than the external diameter of upper cover body (16), described upper cover body (16) upper outside arranges positioning boss (18), and bottom described obturating cup, (19) are enclosed within positioning boss (18) place of upper cover body (16).
7. a kind of blood-component separating cup dynamic sealing system as claimed in claim 2, is characterized in that: the composite material that described sealing gasket (8) is phenolic resins and graphite.
8. a kind of blood-component separating cup dynamic sealing system as claimed in claim 1, is characterized in that: described movable sealing parts (5) material is ceramic material.
9. a kind of blood-component separating cup dynamic sealing system as claimed in claim 1, it is characterized in that: described system also comprises static head (20), seperator cylinder cap (21), described static head (20) is fixed on seperator cylinder cap (21), described static head (20) is set in upper cover (2) outside, and static head positioning end (22) is arranged on static seal parts (4) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200879.4U CN204543649U (en) | 2015-04-07 | 2015-04-07 | A kind of blood-component separating cup dynamic sealing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520200879.4U CN204543649U (en) | 2015-04-07 | 2015-04-07 | A kind of blood-component separating cup dynamic sealing system |
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| CN204543649U true CN204543649U (en) | 2015-08-12 |
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| CN201520200879.4U Active CN204543649U (en) | 2015-04-07 | 2015-04-07 | A kind of blood-component separating cup dynamic sealing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139649A (en) * | 2015-04-07 | 2016-11-23 | 四川南格尔生物科技有限公司 | A kind of blood-component separating cup dynamic sealing system |
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2015
- 2015-04-07 CN CN201520200879.4U patent/CN204543649U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106139649A (en) * | 2015-04-07 | 2016-11-23 | 四川南格尔生物科技有限公司 | A kind of blood-component separating cup dynamic sealing system |
| CN106139649B (en) * | 2015-04-07 | 2018-05-08 | 四川南格尔生物科技有限公司 | A kind of blood-component separating cup dynamic sealing system |
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