CN214837549U - Liquid injection pipe and sample analyzer - Google Patents
Liquid injection pipe and sample analyzer Download PDFInfo
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- CN214837549U CN214837549U CN202022809272.XU CN202022809272U CN214837549U CN 214837549 U CN214837549 U CN 214837549U CN 202022809272 U CN202022809272 U CN 202022809272U CN 214837549 U CN214837549 U CN 214837549U
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Abstract
The utility model discloses a liquid injection pipe and sample analyzer, this pipe main part includes pipe main part and water conservancy diversion structure, the pipe main part is equipped with first water conservancy diversion passageway, the one end that the pipe main part is close to the liquid flow export is located to the water conservancy diversion structure, wherein, the water conservancy diversion structure includes hydrophobic export section, hydrophobic export section is equipped with second water conservancy diversion passageway, second water conservancy diversion passageway and first water conservancy diversion passageway intercommunication, can make liquid follow the liquid flow export back of pipe main part, flow out smoothly through the water conservancy diversion structure, reduce the accumulation of liquid in the tip export of pipe main part, thereby can avoid the liquid of accumulation to be brought into the reaction tank, cause the change of sample concentration, influence measurement accuracy, and the simple structure of liquid injection pipe, easily preparation, application scope is wide.
Description
Technical Field
The utility model relates to the technical field of medical equipment, in particular to liquid injection pipe and sample analyzer.
Background
In the current medical devices, when the test products are used to diagnose the physical condition of patients, the contents of certain components in the body are usually measured and analyzed by a reaction method such as colorimetry. The concentration detection device used in the reaction methods such as the colorimetric method mainly comprises a liquid injection pipe, a reaction tank, a control circuit and the like, and the liquid to be detected is injected into the reaction tank through the liquid injection pipe to carry out the reaction.
The inventor of the application finds that, in the process of injecting liquid by the liquid injection pipe, the flow speed of the liquid in the liquid injection pipe can become very slow or even zero when the liquid flows to the end outlet of the liquid injection pipe, the liquid is easy to adhere to the end outlet of the liquid injection pipe and can be gradually accumulated, and the liquid can be brought into a reaction tank along with certain measurement after being accumulated to a certain amount, so that the concentration of a sample changes, the jump of a measured value is caused, and the measurement precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a liquid injection pipe and sample analyzer to the tip export of solving among the prior art liquid injection pipe accumulates liquid easily and causes the unsafe technical problem of measured value.
In order to solve the technical problem, the utility model discloses a technical scheme provide a liquid injection pipe, include:
the pipe main body is provided with a first flow guide channel;
the flow guide structure is arranged at one end of the pipe main body close to the liquid outlet;
the flow guide structure comprises a hydrophobic outlet section, a second flow guide channel is arranged on the hydrophobic outlet section, and the second flow guide channel is communicated with the first flow guide channel.
In a specific embodiment, the flow guide structure and the tube main body are respectively tubular structures, and the wall thickness of the end surface of the flow guide structure is smaller than or equal to the wall thickness of the end surface of the tube main body.
In a specific embodiment, the second flow guide channel includes a first flow guide section and a second flow guide section, the first flow guide section is disposed between the first flow guide channel and the second flow guide section, a diameter of the first flow guide section gradually decreases toward a direction away from the first flow guide channel, and a diameter of the second flow guide section is smaller than a diameter of the first flow guide channel.
In a specific embodiment, the hydrophobic outlet section is made of a hydrophobic material, or a hydrophobic structure is formed on the inner wall and/or the outer wall of the hydrophobic outlet section.
In one embodiment, the diameter of the second flow guide channel is equal to the diameter of the first flow guide channel; or
The diameter of the joint of the second flow guide channel and the first flow guide channel is equal to that of the first flow guide channel, and the diameter of the second flow guide channel is gradually reduced towards the direction far away from the first flow guide channel.
In a specific embodiment, the flow guiding structure includes a first pipe section and a second pipe section, the first pipe section is used for being connected with the pipe main body, the second pipe section is at least a part of the hydrophobic outlet section, and an outer diameter of the second pipe section is smaller than or equal to an outer diameter of the pipe main body.
In a specific embodiment, the outer diameter of the second pipe section gradually decreases away from the first flow guide channel.
In a specific embodiment, the diameter of the second flow guide passage is larger than the inner diameter or the outer diameter of the pipe body; or
The diameter of the joint of the second flow guide channel and the first flow guide channel is equal to the outer diameter of the pipe main body, and the diameter of the second flow guide channel is gradually increased towards the direction far away from the first flow guide channel.
In order to solve the above technical problem, the utility model discloses a another technical scheme provides a sample analyzer, include like foretell liquid injection pipe and reaction tank, the quantity of liquid injection pipe is at least one, at least one the liquid injection pipe set up in the reaction tank top, at least one the axis of liquid injection pipe for the axis slope of reaction tank.
In a specific embodiment, the number of the liquid injection pipes is two, the two liquid injection pipes are arranged at intervals, the liquid outlet directions of the two liquid injection pipes are inclined to the axis of the reaction tank, the inclination angles of the two liquid injection pipes are equal, and the heights of the two liquid injection pipes relative to the reaction tank are equal.
The utility model discloses the liquid injection pipe includes pipe main part and water conservancy diversion structure, the pipe main part is equipped with first water conservancy diversion passageway, the one end that the pipe main part is close to the liquid flow export is located to the water conservancy diversion structure, wherein, the water conservancy diversion structure includes hydrophobic export section, hydrophobic export section is equipped with second water conservancy diversion passageway, second water conservancy diversion passageway and first water conservancy diversion passageway intercommunication, can make liquid follow the liquid flow export back of pipe main part, flow out smoothly through the water conservancy diversion structure, reduce the accumulation of liquid in the tip export of pipe main part, thereby can avoid the liquid of accumulation to be brought into the reaction tank, cause the change of sample concentration, influence measurement accuracy, and the simple structure of liquid injection pipe, easily preparation, application scope is wide.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a schematic cross-sectional view of a first embodiment of a liquid injection tube according to the present invention;
FIG. 2 is a schematic cross-sectional view of a second embodiment of the liquid injection tube of the present invention;
FIG. 3 is a schematic cross-sectional view of a third embodiment of the liquid injection tube of the present invention;
FIG. 4 is a schematic cross-sectional view of a fourth embodiment of the liquid injection tube of the present invention;
FIG. 5 is a schematic cross-sectional view of a fifth embodiment of the liquid injection tube of the present invention;
FIG. 6 is a schematic cross-sectional view of a sixth embodiment of a liquid injection tube according to the present invention;
fig. 7 is a schematic cross-sectional view of a seventh embodiment of the liquid pouring tube of the present invention;
fig. 8 is a schematic perspective view of an embodiment of the sample analyzer of the present invention;
FIG. 9 is a schematic cross-sectional view of an embodiment of the sample analyzer of the present invention;
fig. 10 is a schematic cross-sectional view of a liquid injection tube in an embodiment of the sample analyzer of the present invention.
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 all belong to the protection scope of the present invention.
The terms "first" and "second" in this application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. While the term "and/or" is merely one type of association that describes an associated object, it means that there may be three types of relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
Referring to fig. 1, the utility model discloses a first embodiment of liquid injection pipe 10 includes pipe main part 100 and water conservancy diversion structure 200, pipe main part 100 is equipped with first water conservancy diversion passageway 110, water conservancy diversion structure 200 is located the one end that pipe main part 100 is close to the liquid flow export, wherein, water conservancy diversion structure 200 includes hydrophobic export section, hydrophobic export section is equipped with second water conservancy diversion passageway 210, second water conservancy diversion passageway 210 communicates with first water conservancy diversion passageway 110, can make liquid follow the liquid flow export back of pipe main part 100, flow out smoothly through water conservancy diversion structure 200, reduce the accumulation of liquid at the tip export of liquid injection pipe 10, thereby can avoid the liquid of accumulation to be brought into the reaction tank, cause the change of sample concentration, influence measurement accuracy, and the simple structure of liquid injection pipe 10, easily preparation, the cost is lower. In this embodiment, the hydrophobic outlet section is made of a hydrophobic material, or a hydrophobic structure is formed on the inner wall and/or the outer wall of the hydrophobic outlet section, or a hydrophobic surface structure is formed by other surface treatment processes.
In this embodiment, the diversion structure 200 is sleeved on an end of the tube body 100 close to the liquid outlet. In other embodiments, the diversion structure 200 may also be directly connected to the end surface of the tube main body 100, or the diversion structure 200 and the tube main body 100 are integrally formed into a tubular structure, which is not limited herein.
In this embodiment, the diversion structure 200 is detachably connected to the tube main body 100, so that the diversion structure 200 can be flexibly assembled to the required tube main body 100, and the application range is wide.
In this embodiment, the second flow guiding channel 210 includes a first flow guiding section 211 and a second flow guiding section 212, the first flow guiding section 211 is disposed between the first flow guiding channel 110 and the second flow guiding section 212, a diameter of a connection portion of the first flow guiding section 211 and the first flow guiding channel 110 is equal to a diameter of the first flow guiding channel 110, the diameter of the first flow guiding section 211 gradually decreases toward a direction away from the first flow guiding channel 110, the diameter of the second flow guiding section 212 remains unchanged toward the direction away from the first flow guiding channel 110, and the diameter of the second flow guiding section 212 is smaller than the diameter of the first flow guiding channel 110, so that a flowing speed of the liquid can be increased, and accumulation of the liquid can be reduced.
In this embodiment, an included angle θ between a plane where the inner wall of the first flow guiding section 211 is located and an axis of the first flow guiding section 211 is 43 ° to 47 °, for example, 43 °, 45 °, or 47 °, so that the liquid in the tube main body 100 can flow into the flow guiding structure 200 more smoothly and flow out through the flow guiding structure 200.
In this embodiment, the flow guiding structure 200 includes a first pipe segment 220 and a second pipe segment 230, at least a portion of the first pipe segment 220 is sleeved on the pipe main body 100 for connecting with the pipe main body 100, the second pipe segment 230 is disposed at an end of the pipe main body 100 and is at least a portion of the hydrophobic outlet section, another portion of the first pipe segment 220 and the second pipe segment 230 form a second flow guiding channel 210 together, an outer diameter of the second pipe segment 230 is kept unchanged in a direction away from the pipe main body 100, and an outer diameter of the second pipe segment 230 is smaller than or equal to an outer diameter of the pipe main body 100, so that an area of an end surface of the flow guiding structure 200 can be further reduced, that is, a contact area of a liquid and the end surface of the flow guiding structure 200 is reduced, thereby reducing occurrence of a liquid hanging phenomenon. In this embodiment, the end surface of the flow guiding structure 200 is a plane, and the end surface of the flow guiding structure 200 is perpendicular to the axis of the tube body 100. In other embodiments, the end surface of the flow guiding structure 200 may also be a curved surface, which can further reduce the hydrodynamic force formed by the liquid on the end surface of the flow guiding structure 200, and reduce the accumulation of the liquid, which is not limited herein.
Referring to fig. 2, the second embodiment of the liquid injection tube 10 of the present invention includes a tube main body 100 and a flow guiding structure 300, the tube main body 100 is provided with a first flow guiding channel 110, the flow guiding structure 300 is disposed at the end of the tube main body 100, and a second flow guiding channel 310 is formed, wherein the first flow guiding channel 110 and the second flow guiding channel 310 are similar to the first flow guiding channel 110 and the second flow guiding channel 210 in the first embodiment of the liquid injection tube 10, and are not described herein again.
The difference between the present embodiment and the first embodiment of the liquid injection tube 10 is that the flow guiding structure 300 includes a first tube section 320 and a second tube section 330, at least a portion of the first tube section 320 is sleeved on the tube main body 100 for connecting with the tube main body 100, the second tube section 330 is disposed at an end of the tube main body 100 and is at least a portion of the hydrophobic outlet section, another portion of the first tube section 320 and the second tube section 330 together form a second flow guiding channel 310, an outer diameter of the second tube section 330 gradually decreases in a direction away from the tube main body 100, the outer diameter of the second tube section 330 is smaller than or equal to the outer diameter of the tube main body 100, and the area of the end surface of the flow guiding structure 300 can be further reduced.
In this embodiment, the outer diameter of the second pipe segment 330 gradually decreases in a direction away from the pipe main body 100, so that the wall thickness of the end surface of the flow guide structure 300 can be further decreased, the area of the end surface of the flow guide structure 300 is smaller and much smaller than the area of the end surface of the pipe main body 100, and the accumulation of liquid at the end outlet of the flow guide structure 300 can be further reduced.
Referring to fig. 3, the third embodiment of the liquid injection tube 10 of the present invention includes a tube main body 100 and a flow guiding structure 400, wherein the tube main body 100 is provided with a first flow guiding channel 110, the flow guiding structure 400 is disposed at an end of the tube main body 100, and is formed with a second flow guiding channel 410, wherein the first flow guiding channel 110, the second flow guiding channel 410, and a first tube segment 420 of the flow guiding structure 400 are similar to the second flow guiding channel 110 and the second flow guiding channel 310 in the second embodiment of the liquid injection tube 10, and are not described herein again.
The difference between this embodiment and the second embodiment of the liquid injection tube 10 is that the outer diameter of the second tube segment 430 gradually decreases in a direction away from the tube body 100 until the end surface of the flow guide structure 400 is in a circular shape, so that the wall thickness of the end surface of the flow guide structure 400 approaches zero, the area of the end surface of the flow guide structure 400 also approaches zero, and the liquid accumulation at the end of the flow guide structure 400 can be avoided.
Referring to fig. 4, the fourth embodiment of the liquid pouring tube 10 of the present invention includes a tube main body 100 and a flow guiding structure 500, the tube main body 100 is provided with a first flow guiding channel 110, the flow guiding structure 500 is disposed at the end of the tube main body 100, and is formed with a second flow guiding channel 510, the second flow guiding channel 510 is communicated with the first flow guiding channel 110, wherein the diameter of the second flow guiding channel 510 is equal to the diameter of the first flow guiding channel 110, the diameter of the second flow guiding channel 510 remains unchanged towards the direction away from the first flow guiding channel 110, so that the liquid in the tube main body 100 can more smoothly flow into the flow guiding structure 500, and further can smoothly flow out from the flow guiding structure 500.
In this embodiment, the flow guiding structure 500 includes a first pipe section 520 and a second pipe section 530, at least a portion of the first pipe section 520 is sleeved on the pipe main body 100 for connecting with the pipe main body 100, the second pipe section 530 is disposed at an end of the pipe main body 100 and is at least a portion of the hydrophobic outlet section, another portion of the first pipe section 520 and the second pipe section 530 together form a second flow guiding channel 510, an outer diameter of the second pipe section 530 is constant in a direction away from the pipe main body 100, an outer diameter of the second pipe section 530 is smaller than or equal to an outer diameter of the pipe main body 100, the flow guiding structure 500 and the pipe main body 100 are respectively circular tubular structures, a wall thickness of an end surface of the flow guiding structure 500 is smaller than or equal to a wall thickness of an end surface of the pipe main body 100, so that an area of the end surface of the flow guiding structure 500 is smaller, and accumulation of liquid on the end surface of the flow guiding structure 500 is less.
In other embodiments, the diameter of the second flow guide channel 510 may gradually decrease away from the first flow guide channel 110 to increase the flow velocity of the liquid in the flow guide structure 500, so that the liquid flows out of the flow guide structure 500 more smoothly.
Referring to fig. 5, the fifth embodiment of the liquid pouring tube 10 of the present invention includes a tube main body 100 and a flow guiding structure 600, the tube main body 100 is provided with a first flow guiding channel 110, the flow guiding structure 600 is sleeved on an end portion of the tube main body 100 to be connected with the tube main body 100, and a second flow guiding channel 610 is formed, the second flow guiding channel 610 is communicated with the first flow guiding channel 110, the present embodiment is different from the fourth embodiment of the liquid pouring tube 10 in that a diameter of a joint of the second flow guiding channel 610 and the first flow guiding channel 110 is equal to a diameter of the first flow guiding channel 110, the diameter of the second flow guiding channel 610 is gradually reduced towards a direction away from the first flow guiding channel 110, so as to accelerate a flow velocity of liquid in the flow guiding structure 600, and make the liquid flow out of the flow guiding structure 600 more smoothly.
The difference between the present embodiment and the fourth embodiment of the liquid injection tube 10 is that the outer diameter of the second tube section 630 is smaller than or equal to the outer diameter of the first tube section 620, and gradually decreases to the end surface of the flow guide structure 600 in a circular ring shape in the direction away from the tube main body 100, so that the wall thickness of the end surface of the flow guide structure 600 approaches zero, the area of the end surface of the flow guide structure 600 also approaches zero, and the liquid accumulation at the end of the flow guide structure 600 can be avoided.
In other embodiments, the outer diameter of the second tube section 630 may also gradually decrease in a direction away from the tube main body 100, so that the end surface of the flow guide structure 600 is disposed in a circular ring shape, and the wall thickness of the end surface of the flow guide structure 600 is further much smaller than that of the end surface of the tube main body 100, for example, as shown in the second tube section 330 of the second embodiment of the liquid injection tube 10, the accumulation of liquid can be reduced.
Referring to fig. 6, the sixth embodiment of the liquid pouring tube 10 of the present invention includes a tube main body 100 and a flow guiding structure 700, the tube main body 100 is provided with a first flow guiding channel 110, the flow guiding structure 700 is sleeved on the end of the tube main body 100 to be connected with the tube main body 100, and a second flow guiding channel 710 is formed, the second flow guiding channel 710 is communicated with the first flow guiding channel 110, wherein the diameter of the second flow guiding channel 710 is greater than or equal to the outer diameter of the tube main body 100, so that at least a portion of the liquid in the tube main body 100 can directly flow out, and the amount of the liquid flowing to the end surface of the flow guiding structure 700 along the inner wall of the flow guiding structure 700 is reduced, thereby reducing the accumulation of the liquid on the end surface of the flow guiding structure 700.
In this embodiment, the flow guiding structure 700 includes a first pipe section 720 and a second pipe section 730, at least a portion of the first pipe section 720 is sleeved on the pipe main body 100 to be connected with the pipe main body 100, the second pipe section 730 is disposed at an end of the pipe main body 100, another portion of the first pipe section 720 and the second pipe section 730 together form a second flow guiding channel 710, an outer diameter of the second pipe section 730 is smaller than or equal to an outer diameter of the first pipe section 720, so that a wall thickness of an end surface of the flow guiding structure 700 is smaller than a wall thickness of the end surface of the pipe main body 100, an area of the end surface of the flow guiding structure 700 is smaller than an area of the end surface of the pipe main body 100, and accumulation of liquid at an end outlet of the flow guiding structure 700 is reduced.
Referring to fig. 7, a seventh embodiment of the liquid pouring tube 10 of the present invention includes a tube main body 100 and a flow guiding structure 800, the tube main body 100 is provided with a first flow guiding channel 110, the flow guiding structure 800 is sleeved on an end portion of the tube main body 100 to be connected to the tube main body 100 and is formed with a second flow guiding channel 810, the second flow guiding channel 810 is communicated with the first flow guiding channel 110, wherein a diameter of a connection portion of the second flow guiding channel 810 and the first flow guiding channel 110 is equal to an outer diameter of the tube main body 100, a diameter of the second flow guiding channel 810 gradually increases in a direction away from the first flow guiding channel 110 until an end surface of the flow guiding structure 800 is in a circular shape, so that at least a portion of liquid in the tube main body 100 can directly flow out, an amount of liquid flowing to the end surface of the flow guiding structure 800 along an inner wall of the flow guiding structure 800 can be reduced, and another portion of liquid in the tube main body 100 can flow out along the inner wall of the flow guiding structure 800, since the wall thickness of the end surface of the flow guide structure 800 approaches zero, the area of the end surface of the flow guide structure 800 also approaches zero, and the liquid accumulation at the end of the flow guide structure 800 can be avoided.
In other embodiments, the diameter of the second diversion channel 810 may also gradually decrease toward a direction away from the tube main body 100, so that the end surface of the diversion structure 800 is disposed in a circular ring shape, and further, the wall thickness of the end surface of the diversion structure 800 is far smaller than that of the end surface of the tube main body 100, which can reduce liquid accumulation.
Referring to fig. 8 to 10, the sample analyzer of the present invention includes at least one liquid injection tube 10 and at least one reaction cell 20, wherein the at least one liquid injection tube 10 is disposed above the reaction cell 20, and an axis of the at least one liquid injection tube 10 is inclined with respect to an axis of the reaction cell 20.
In this embodiment, the number of the liquid injection tubes 10 may be two, the two liquid injection tubes 10 are arranged at intervals, the liquid outlet directions of the two liquid injection tubes 10 are inclined to the axis of the reaction tank 20, the inclination angles are equal, and the heights of the two liquid injection tubes 10 relative to the reaction tank 20 are equal, so that the consistency of the liquid injection of the two liquid injection tubes 10 is higher, and the mixture of the two liquids injected by the two liquid injection tubes 10 is more uniform.
The structure of the liquid injection tube 10 is as described in the above embodiments of the liquid injection tube 10, and is not described herein again. The embodiment of the utility model provides a set up water conservancy diversion structure 200 through the tip at pipe main part 100 in order to reduce the accumulation of liquid in the tip export of liquid beating pipe 10 to can avoid accumulated liquid to be brought into the reaction tank in certain reaction process, produce the jump and cause the change of sample concentration, can further improve the uniformity and the accuracy of the liquid feeding of two liquid beating pipes 10.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A pour tube, comprising:
the pipe main body is provided with a first flow guide channel;
the flow guide structure is arranged at one end of the pipe main body close to the liquid outlet;
the flow guide structure comprises a hydrophobic outlet section, a second flow guide channel is arranged on the hydrophobic outlet section, and the second flow guide channel is communicated with the first flow guide channel.
2. The liquid injection tube according to claim 1, wherein the flow guide structure and the tube main body are respectively tubular structures, and the wall thickness of the end surface of the flow guide structure is smaller than or equal to that of the end surface of the tube main body.
3. The liquid injection pipe according to claim 1, wherein the second flow guide channel comprises a first flow guide section and a second flow guide section, the first flow guide section is disposed between the first flow guide channel and the second flow guide section, the diameter of the first flow guide section gradually decreases in a direction away from the first flow guide channel, and the diameter of the second flow guide section is smaller than the diameter of the first flow guide channel.
4. The liquid pouring tube according to claim 1, characterized in that the hydrophobic outlet section is made of hydrophobic material or hydrophobic structures are formed on the inner wall and/or the outer wall of the hydrophobic outlet section.
5. The pour tube of claim 1, wherein a diameter of the second flow channel is equal to a diameter of the first flow channel; or
The diameter of the joint of the second flow guide channel and the first flow guide channel is equal to that of the first flow guide channel, and the diameter of the second flow guide channel is gradually reduced towards the direction far away from the first flow guide channel.
6. The liquid pouring tube according to claim 3 or 5, wherein the flow guiding structure comprises a first tube section and a second tube section, the first tube section is used for being connected with the tube main body, the second tube section is at least one part of the hydrophobic outlet section, and the outer diameter of the second tube section is smaller than or equal to that of the tube main body.
7. The pour tube of claim 6, wherein an outer diameter of the second tube segment tapers away from the first flow guide channel.
8. The pour tube of claim 1, wherein a diameter of the second diversion channel is greater than an inner or outer diameter of the tube body; or
The diameter of the joint of the second flow guide channel and the first flow guide channel is equal to the outer diameter of the pipe body, and the diameter of the second flow guide channel is gradually increased towards the direction far away from the first flow guide channel.
9. A sample analyzer, comprising the liquid ejecting tube and the reaction cell according to any one of claims 1 to 8, wherein the number of the liquid ejecting tubes is at least one, at least one of the liquid ejecting tubes is disposed above the reaction cell, and an axis of at least one of the liquid ejecting tubes is inclined with respect to an axis of the reaction cell.
10. The sample analyzer of claim 9, wherein the number of the pumping tubes is two, two pumping tubes are spaced, the pumping directions of the two pumping tubes are inclined to the axis of the reaction tank, and the inclination angles of the two pumping tubes are equal, and the heights of the two pumping tubes relative to the reaction tank are equal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809272.XU CN214837549U (en) | 2020-11-27 | 2020-11-27 | Liquid injection pipe and sample analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022809272.XU CN214837549U (en) | 2020-11-27 | 2020-11-27 | Liquid injection pipe and sample analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214837549U true CN214837549U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022809272.XU Active CN214837549U (en) | 2020-11-27 | 2020-11-27 | Liquid injection pipe and sample analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214837549U (en) |
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2020
- 2020-11-27 CN CN202022809272.XU patent/CN214837549U/en active Active
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