CN211766733U - Negative pressure sealing structure of blood drawing tube for physical examination - Google Patents
Negative pressure sealing structure of blood drawing tube for physical examination Download PDFInfo
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- CN211766733U CN211766733U CN201922455181.8U CN201922455181U CN211766733U CN 211766733 U CN211766733 U CN 211766733U CN 201922455181 U CN201922455181 U CN 201922455181U CN 211766733 U CN211766733 U CN 211766733U
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- vacuum tube
- sealing
- plug
- negative pressure
- sealing plug
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Abstract
The utility model discloses a blood drawing pipe negative pressure sealing structure for physical examination, including the vacuum tube block, the liquid extraction hole has been seted up to vacuum tube block one end, and the vacuum tube block other end sets up cylindrical mounting hole to vacuum tube block mounting hole central point is equipped with the block fixed column, block fixed column outer wall is equipped with the first sealing ring of a plurality of annular, and is equipped with the vacuum tube main part between block fixed column outer wall and the vacuum tube block to vacuum tube main part outer wall is equipped with a plurality of second sealing ring. This blood drawing pipe negative pressure seal structure for physical examination is provided with dual seal structure, can effectually plug up the clearance between heparin tube and the stopper, avoids in the outside air enters into the heparin tube, improves the effect of using.
Description
Technical Field
The utility model relates to a blood drawing pipe technical field specifically is a blood drawing pipe negative pressure sealing structure for physical examination.
Background
The blood sampling tube is a blood sampling tube, a vacuum blood sampling tube which is a vacuum negative pressure blood sampling tube is generally adopted for medical use, the heavy use of an automatic instrument and the storage of blood put higher requirements on the stability of the original character of the blood sample, so that the vacuum blood sampling technology breaks through the requirement of safety only, and the performance indexes of the accuracy, the original character of the sample, the maintenance time, the tube machine matching, the strength of a test tube and the like can be used as the basis for evaluating the quality of the vacuum blood sampling tube.
The existing vacuum blood collection tube is in a vacuum closed state before being used, so that blood can be drawn through negative pressure, and before being used, if the blood collection tube leaks air, the negative pressure in the blood collection tube is reduced, so that the specified blood volume cannot be drawn in the blood collection process, the blood needs to be drawn again, and the repeated puncture pain of a patient is increased.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a blood sampling pipe negative pressure seal structure for physical examination to when the condition of gas leakage appears in the blood sampling pipe that proposes in solving the background art, the inside negative pressure of blood sampling pipe can reduce, can't take out the problem of regulation blood volume like this in the blood sampling.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a suction tube negative pressure sealing structure for physical examination, includes the vacuum tube block, the liquid hole has been seted up to vacuum tube block one end, and the vacuum tube block other end sets up cylindrical mounting hole to vacuum tube block mounting hole central point is equipped with the block fixed column, block fixed column outer wall is equipped with the first sealing ring of a plurality of annular, and is equipped with the vacuum tube main part between block fixed column outer wall and the vacuum tube block to vacuum tube main part outer wall is equipped with a plurality of second sealing ring.
Preferably, a fixing block in a shape of a circular truncated cone is arranged inside the liquid pumping hole, and the fixing block and the vacuum tube sealing plug are of a hot melting integrated structure.
Preferably, the inner wall of the vacuum tube plug and the inner wall of the vacuum tube main body are provided with annular grooves corresponding to the second sealing ring and the first sealing ring.
Preferably, the sealing plug fixing column and the vacuum tube sealing plug are of a hot melting integrated structure, the sealing plug fixing column is far away from the sealing plug end of the vacuum tube and is in a chamfered boss shape, and the diameter of the outer ring of the sealing plug fixing column is larger than the inner diameter of the vacuum tube main body.
Preferably, the number of the first sealing rings is at least three, and the cross section of the first sealing ring is conical.
Preferably, the number of the second sealing rings is at least three, and the cross section of each second sealing ring is arc-shaped.
Compared with the prior art, the beneficial effects of the utility model are that: this blood drawing pipe negative pressure seal structure for physical examination is provided with dual seal structure, can effectually plug up the clearance between heparin tube and the stopper, avoids in the outside air enters into the heparin tube, improves the effect of using. The device liquid hole inside is equipped with the fixed block, increase the thickness of vacuum tube sealing plug through the fixed block, the inside air of sealing plug fixed column is difficult to spill through the pinhole on the vacuum tube sealing plug like this, and annular groove on the inner wall of vacuum tube sealing plug and the vacuum tube main part inner wall plays the effect that holds second sealing ring and first sealing ring, fix second sealing ring and first sealing ring with this, when making the vacuum tube sealing plug be difficult to break away from in the vacuum tube main part, increase the area in gap between vacuum tube main part and the vacuum tube sealing plug and the sealing plug fixed column, make external air be difficult to enter into in the vacuum tube main part, improve sealed effect.
Drawings
FIG. 1 is a schematic view of the structure of the negative pressure sealing structure of the blood drawing tube for physical examination of the present invention;
FIG. 2 is an enlarged schematic view of the part A of the structure chart 1 for negative pressure sealing of a blood drawing tube for physical examination of the present invention;
fig. 3 is the utility model relates to a physical examination is with vacuum tube sealing plug top view of blood drawing pipe negative pressure seal structure.
In the figure: 1. liquid extraction hole, 2, vacuum tube sealing plug, 3, sealing plug fixed column, 4, vacuum tube main part, 5, fixed block, 6, first sealing ring, 7, second sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a suction tube negative pressure sealing structure for physical examination, including vacuum tube sealing plug 2, liquid hole 1 has been seted up to 2 one end of vacuum tube sealing plug, and the cylindrical mounting hole is seted up to the vacuum tube sealing plug 2 other end, and vacuum tube sealing plug 2 mounting hole central point is equipped with sealing plug fixed column 3, the inside fixed block 5 that is equipped with the round platform shape in liquid hole 1, and fixed block 5 and vacuum tube sealing plug 2 are hot melt integrative structure, the inside fixed block 5 in liquid hole 1 of this structure can increase the thickness of vacuum tube sealing plug 2, after bleeding through vacuum tube sealing plug 2, vacuum tube main part 4 is in the vacuum state, external air is difficult to enter into in vacuum tube main part 4 through the through-hole on vacuum tube sealing plug 2, the annular groove that corresponds with second sealing ring 7 and first sealing ring 6 is seted up to the inner wall of vacuum tube sealing plug 2 and vacuum tube main part 4 inner wall, the recess on the inner wall of vacuum tube sealing plug 2 and the vacuum tube main part 4 inner wall The sealing plug is clamped with the first sealing ring 6, the effect of fixing the vacuum tube sealing plug 2 is increased, meanwhile, the gap area between the vacuum tube sealing plug 2 and the vacuum tube main body 4 can be increased, so that outside air is not easy to pass through the gap between the vacuum tube sealing plug 2 and the vacuum tube main body 4, the sealing effect is improved, the outer wall of the sealing plug fixing column 3 is provided with a plurality of annular first sealing rings 6, the vacuum tube main body 4 is arranged between the outer wall of the sealing plug fixing column 3 and the vacuum tube sealing plug 2, the outer wall of the vacuum tube main body 4 is provided with a plurality of second sealing rings 7, the sealing plug fixing column 3 and the vacuum tube sealing plug 2 are of a hot melting integrated structure, the end, far away from the vacuum tube sealing plug 2, of the sealing plug fixing column 3 is an inverted frustum-shaped bulge, the diameter of the outer ring of the sealing plug fixing column 3 is larger than the inner diameter of the vacuum tube main body 4, the sealing, increase 3 protruding and vacuum tube main part 4 inner walls of stopper fixed column laminating effects between, improve sealed effect, first sealing ring 6 is equipped with threely at least, and the section of first sealing ring 6 is the toper, first sealing ring 6 of this structure plugs up the gap between stopper fixed column 3 and the vacuum tube main part 4, when preventing that stopper fixed column 3 from breaking away from vacuum tube main part 4 is inside, can increase the sealed effect between stopper fixed column 3 and the vacuum tube main part 4, second sealing ring 7 is equipped with threely at least, and the section of second sealing ring 7 is the arc, second sealing ring 7 of this structure can set up in the annular groove of vacuum tube stopper 2 inner wall, can increase the contact effect between vacuum tube stopper 2 and the vacuum tube main part 4 like this, improve the sealed effect between vacuum tube main part 4 and the vacuum tube stopper 2.
The working principle is as follows: when the negative pressure sealing structure of the blood drawing tube for physical examination is used, firstly, the vacuum tube sealing plug 2 is arranged on the vacuum tube main body 4, so that the sealing plug fixing column 3 on the vacuum tube sealing plug 2 can enter the tube opening of the vacuum tube main body 4, the first sealing ring 6 and the second sealing ring 7 can be respectively clamped in the annular grooves on the inner wall of the vacuum tube main body 4 and the inner wall of the vacuum tube sealing plug 2, then, when the vacuum tube main body 4 is subjected to air suction, the suction needle penetrates through the fixing block 5 inside the liquid suction hole 1, the suction needle penetrates through the vacuum tube sealing plug 2 and the sealing plug fixing column 3 to enter the vacuum tube main body 4, the air inside the vacuum tube main body 4 is discharged, the inside of the vacuum tube main body 4 is in a negative pressure state, the fixing block 5 can increase the thickness of the vacuum tube sealing plug 2, and the outside air is not easy to enter, and finally, in the using process, the blood taking needle penetrates through the fixing block 5, the vacuum tube plug 2 and the plug fixing column 3, and blood is taken through negative pressure inside the vacuum tube main body 4, so that a series of work is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a physical examination is with drawing blood vessel negative pressure sealing structure, includes vacuum tube sealing plug (2), its characterized in that: the vacuum tube sealing plug is characterized in that a liquid extracting hole (1) is formed in one end of the vacuum tube sealing plug (2), a cylindrical mounting hole is formed in the other end of the vacuum tube sealing plug (2), a sealing plug fixing column (3) is arranged at the center of the mounting hole of the vacuum tube sealing plug (2), a plurality of annular first sealing rings (6) are arranged on the outer wall of the sealing plug fixing column (3), a vacuum tube main body (4) is arranged between the outer wall of the sealing plug fixing column (3) and the vacuum tube sealing plug (2), and a plurality of second sealing rings (7) are arranged on the outer wall of the vacuum tube main body.
2. The negative pressure sealing structure of a blood drawing tube for physical examination as claimed in claim 1, wherein: the liquid pumping hole (1) is internally provided with a truncated cone-shaped fixing block (5), and the fixing block (5) and the vacuum tube sealing plug (2) are of a hot-melting integrated structure.
3. The negative pressure sealing structure of a blood drawing tube for physical examination as claimed in claim 1, wherein: and annular grooves corresponding to the second sealing ring (7) and the first sealing ring (6) are formed in the inner wall of the vacuum tube sealing plug (2) and the inner wall of the vacuum tube main body (4).
4. The negative pressure sealing structure of a blood drawing tube for physical examination as claimed in claim 1, wherein: the plug fixing column (3) and the vacuum tube plug (2) are of a hot melting integrated structure, the end, far away from the vacuum tube plug (2), of the plug fixing column (3) is protruded in a chamfered frustum shape, and the diameter of the outer ring of the plug fixing column (3) is larger than the inner diameter of the vacuum tube main body (4).
5. The negative pressure sealing structure of a blood drawing tube for physical examination as claimed in claim 1, wherein: the number of the first sealing rings (6) is at least three, and the cross section of each first sealing ring (6) is conical.
6. The negative pressure sealing structure of a blood drawing tube for physical examination as claimed in claim 1, wherein: the number of the second sealing rings (7) is at least three, and the cross section of each second sealing ring (7) is arc-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455181.8U CN211766733U (en) | 2019-12-30 | 2019-12-30 | Negative pressure sealing structure of blood drawing tube for physical examination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922455181.8U CN211766733U (en) | 2019-12-30 | 2019-12-30 | Negative pressure sealing structure of blood drawing tube for physical examination |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211766733U true CN211766733U (en) | 2020-10-27 |
Family
ID=72978240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922455181.8U Expired - Fee Related CN211766733U (en) | 2019-12-30 | 2019-12-30 | Negative pressure sealing structure of blood drawing tube for physical examination |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211766733U (en) |
-
2019
- 2019-12-30 CN CN201922455181.8U patent/CN211766733U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211230 |