CN216956076U - Reagent needle assembly for full-automatic chemiluminescence immunoassay analyzer - Google Patents
Reagent needle assembly for full-automatic chemiluminescence immunoassay analyzer Download PDFInfo
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- CN216956076U CN216956076U CN202220369983.6U CN202220369983U CN216956076U CN 216956076 U CN216956076 U CN 216956076U CN 202220369983 U CN202220369983 U CN 202220369983U CN 216956076 U CN216956076 U CN 216956076U
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Abstract
The utility model discloses a reagent needle assembly for a full-automatic chemiluminescence immunoassay analyzer, which comprises a reagent needle movement assembly, a reagent needle anti-collision assembly and a reagent needle body, wherein the reagent needle body is arranged on the reagent needle anti-collision assembly, and the reagent needle movement assembly drives the reagent needle body to move; the reagent needle anti-collision assembly comprises a needle body mounting seat, a spring and an anti-collision optical coupler, one end of the reagent needle body is mounted on the needle body mounting seat, and the anti-collision optical coupler is arranged on the needle body mounting seat and on one side of the reagent needle body; the spring is sleeved on the reagent needle body; the reagent needle anti-collision assembly further comprises a needle lower fixing seat and a needle upper fixing seat, the needle upper fixing seat fixes the reagent needle body on the needle body mounting seat, and the needle lower fixing seat is sleeved on the periphery of the reagent needle body and penetrates through the needle body mounting seat to be connected with the needle upper fixing seat.
Description
Technical Field
The utility model belongs to the technical field of medical equipment, and particularly relates to a reagent needle assembly for a full-automatic chemiluminescence immunoassay analyzer.
Background
Chemiluminescence immunoassay (CLIA), also called chemiluminescence labeling immunoassay, is an immunoassay method for directly labeling an antigen or an antibody by using a chemiluminescence agent, combines a chemiluminescence assay technology with high specificity immunoreaction, is used for detection and analysis technologies of various antigens, haptens, antibodies, hormones, enzymes, fatty acids, vitamins, medicaments and the like, is a latest immunoassay technology developed after radioimmunoassay, enzyme immunoassay, fluorescence immunoassay and time-resolved fluorescence immunoassay, has the advantages of high sensitivity, wide detection range, good marker stability and the like, and is a main detection method in the immunoassay field. The reagent needle body of the chemiluminescence immunoassay analyzer has high possibility of contacting with the bottom of the reaction cup when a sample is injected into the reaction cup to damage, the service life is short, and the detection cost is increased.
The reagent needle of a full-automatic chemiluminescence immunoassay analyzer is disclosed in Chinese patent literature (application number 202023242750.X), and comprises a reagent needle main body, the top of the reagent needle main body is connected with a cross frame, a reagent needle main body coat is provided with a ring pipe, a small hole is formed in the inner wall of the ring pipe, one side of the ring pipe is connected with one end of a transverse pipe, the top of the transverse pipe is connected with the lower end of a screw rod through a round seat fixedly connected with, the screw rod coat is provided with a threaded cylinder, the threaded cylinder coat is provided with a support, one side of the support is fixedly connected with the outer wall of the cross frame, a fixed gear is sleeved in the middle of the threaded cylinder, one side of the fixed gear is meshed with a transmission gear, the top of the transmission gear is connected with a motor, and the motor is fixedly installed on one side of the cross frame. The reagent needle of the full-automatic chemiluminescence immunoassay analyzer cannot avoid bottom contact damage of the reagent needle in the sample introduction process.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reagent needle assembly for a full-automatic chemiluminescence immunoassay analyzer, which has an anti-collision function, can protect a needle head of a reagent needle body and prolong the service life of the reagent needle body.
In order to solve the technical problems, the reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer comprises a reagent needle movement assembly, a reagent needle anti-collision assembly and a reagent needle body, wherein the reagent needle body is arranged on the reagent needle anti-collision assembly, and the reagent needle movement assembly drives the reagent needle body to move; the reagent needle anti-collision assembly comprises a needle body mounting seat, a spring and an anti-collision optical coupler, one end of the reagent needle body is mounted on the needle body mounting seat, and the anti-collision optical coupler is arranged on the needle body mounting seat and on one side of the reagent needle body; the spring is sleeved on the reagent needle body.
Preferably, the reagent needle anticollision subassembly still includes jump ring and needle fixing base, needle fixing base will the reagent needle body is fixed on the needle body mount pad, the jump ring is established the bottom of spring.
By adopting the technical scheme, the reagent needle body is mainly used for sucking the reagent in the reagent kit to the reaction cup transfer component, and moving to the reagent needle cleaning station for cleaning the inner wall and the outer wall after the reagent is added; a snap spring is arranged to be matched with the needle upper fixing seat to compress the spring; if take place when touching the end when injecting into reagent when the reagent needle body in to the reaction cup promptly, then compress the spring through fixed jump ring on the needle body and needle fixing base, the needle body is by jack-up after the spring compression, anticollision opto-coupler separation blade on the needle body upwards moves thereupon under the direction of locating pin, when removing to anticollision opto-coupler detection position, anticollision opto-coupler feedback is to the up-and-down motion motor for up-and-down motion motor lifting reagent needle body and then realize crashproof function, this needle body anticollision function can guarantee even the syringe needle touches the end and also does not damage.
Preferably, the reagent needle anti-collision assembly further comprises an anti-collision optocoupler baffle and a positioning pin, and the anti-collision optocoupler baffle is arranged on the needle upper fixing seat and below the anti-collision optocoupler; the needle body mounting seat is provided with a positioning pin hole, and the positioning pin is arranged in the positioning pin hole, penetrates through the needle upper fixing seat and the anti-collision optocoupler catch and is connected with the anti-collision optocoupler catch; the positioning pin drives the anti-collision optocoupler catch to move up and down when moving up and down in the positioning pin hole.
Preferably, the reagent needle anticollision subassembly still includes fixing base under the needle, fixing base cup joints under the needle the periphery of reagent needle body and pass the needle body mount pad with fixing base is connected on the needle.
Preferably, the reagent needle assembly further comprises a pressure detection block, and the pressure detection block is connected with the needle body mounting seat through a detection mounting plate.
Preferably, a detection plate is arranged on the other side of the detection mounting plate; the detection plate can perform a liquid level detection function and a pressure detection function, and the pressure detection can realize suction detection and clot (needle blockage detection).
Preferably, the reagent needle movement component comprises an up-and-down movement component, the up-and-down movement component comprises an up-and-down movement motor, an up-and-down movement driving wheel, an up-and-down movement driven wheel, an up-and-down movement belt, an up-and-down movement sliding rail and an up-and-down movement chain guide rail, the up-and-down movement motor is connected with the up-and-down movement driving wheel, the up-and-down movement driving wheel drives the up-and-down movement driven wheel to move through the up-and-down movement belt, the needle body mounting seat is sleeved on the up-and-down movement belt through a needle body connecting block, and the needle body connecting block is connected with the up-and-down movement sliding rail and the up-and-down movement chain guide rail; the up-and-down movement chain guide rail is connected with the bottom of the up-and-down movement slide rail.
Preferably, the reagent needle motion subassembly includes the horizontal motion subassembly, the horizontal motion subassembly includes horizontal motion motor, horizontal motion action wheel, horizontal motion from driving wheel, horizontal motion belt, horizontal motion slide rail and horizontal motion chain guide, the horizontal motion motor with the horizontal motion action wheel is connected, the horizontal motion action wheel passes through the horizontal motion belt and drives the horizontal motion is from the driving wheel motion, the needle body mount pad cup joints through the needle body connecting block on the horizontal motion belt, just the needle body connecting block with the horizontal motion slide rail with the horizontal motion chain guide homogeneous phase is connected.
Preferably, the horizontal movement driving wheel and the horizontal movement driven wheel are arranged above the horizontal mounting plate, and the horizontal movement motor is arranged below the horizontal mounting plate.
Preferably, the spring and the clamp spring are both arranged in the needle lower fixing seat.
Compared with the prior art, the reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer has the functions of automatic liquid level detection, empty suction detection and collision avoidance, can protect a reagent needle body from being damaged when contacting the bottom, and prolongs the service life of the reagent needle body.
Drawings
The following further detailed description of embodiments of the utility model is made with reference to the accompanying drawings:
FIG. 1 is a schematic view of a reagent needle assembly of the reagent needle assembly for use in a full-automatic chemiluminescence immunoassay analyzer according to the present invention;
FIG. 2 is a schematic illustration of the non-horizontal motion assembly of the reagent needle assembly of FIG. 1;
FIG. 3 is a schematic perspective view of a reagent needle collision prevention assembly of the reagent needle assembly of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a reagent needle collision prevention assembly of the reagent needle assembly of FIG. 1;
wherein: 1-a reagent needle body; 2-a base; 3-a spring; 4-anti-collision optical coupler; 5-needle body mounting seat; 501-positioning pin holes; 6-needle lower fixing seat; 7-fixing the needle on the fixing seat; 8-anti-collision optical coupling baffle sheets; 9-a positioning pin; 10-a clamp spring; 11-a pressure detection block; 12-detecting the mounting plate; 13-a detection plate; 14-an up-and-down motion assembly; 1401-up-down motion driving wheel; 1402-up and down movement of the driven wheel; 1403-up and down motion belt; 1404-up and down movement slide; 1405-up and down motion chain guide; 1406-up and down motion motor; 15-a horizontal motion assembly; 1501-horizontal motion motor; 1502-a horizontal motion driving wheel; 1503-horizontal movement of the driven wheel; 1504 — horizontal motion belt; 1505 — horizontal motion slide; 1506-horizontal motion chain guide; 16-horizontal mounting plate.
Detailed Description
As shown in fig. 1-4, the reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer of the embodiment includes a reagent needle movement component, a reagent needle collision prevention component and a reagent needle body 1, wherein the reagent needle body 1 is disposed on the reagent needle collision prevention component, and the reagent needle movement component drives the reagent needle body 1 to move; the reagent needle anti-collision assembly comprises a needle body mounting seat 5, a spring 3 and an anti-collision optical coupler 4, one end of a reagent needle body 1 is mounted on the needle body mounting seat 5, and the anti-collision optical coupler 4 is arranged on the needle body mounting seat 5 and on one side of the reagent needle body 1; the spring 3 is sleeved on the reagent needle body 1; the reagent needle anti-collision assembly further comprises a lower needle fixing seat 6, an upper needle fixing seat 7 and a clamp spring 10, the upper needle fixing seat 7 fixes the reagent needle body 1 on the needle body mounting seat 5, and the lower needle fixing seat 6 is sleeved on the periphery of the reagent needle body 1 and penetrates through the needle body mounting seat 5 to be connected with the upper needle fixing seat 7; the clamp spring 10 is arranged at the bottom of the spring 3; the spring 3 and the clamp spring 10 are both arranged in the needle lower fixing seat 6; the clamp spring 10 is arranged to be matched with the needle upper fixing seat 7 to compress the spring 3; the reagent needle anti-collision assembly further comprises an anti-collision optocoupler catch 8 and a positioning pin 9, wherein the anti-collision optocoupler catch 8 is arranged on the needle upper fixing seat 7 and is arranged below the anti-collision optocoupler 4; the anti-collision optocoupler baffle 8 is L-shaped; a positioning pin hole 501 is formed in the needle body mounting seat 5, and the positioning pin 9 is arranged in the positioning pin hole 501, penetrates through the needle upper fixing seat 7 and the anti-collision optocoupler catch 8 and is connected with the anti-collision optocoupler catch 8; the positioning pin 9 drives the anti-collision optocoupler catch 8 to move up and down when moving up and down in the positioning pin hole 501; the reagent needle assembly also comprises a pressure detection block 11, wherein the pressure detection block 11 is connected with the needle body mounting seat 5 through a detection mounting plate 12; a detection plate 13 is arranged on the other side of the detection mounting plate 12; the reagent needle movement component comprises an up-and-down movement component 14, the up-and-down movement component 14 comprises an up-and-down movement motor 1406, an up-and-down movement driving wheel 1401, an up-and-down movement driven wheel 1402, an up-and-down movement belt 1403, an up-and-down movement slide rail 1404 and an up-and-down movement chain guide rail 1405, the up-and-down movement motor 1406 is connected with the up-and-down movement driving wheel 1401, the up-and-down movement driving wheel 1401 drives the up-and-down movement driven wheel 1402 to move through the up-and-down movement belt 1403, the needle body installation seat 5 is sleeved on the up-and-down movement belt 1403 through a needle body connection block, and the needle body connection block is connected with the up-and-down movement slide rail 1404 and the up-and-down movement chain guide rail 1405; the up-down movement chain guide 1405 is connected to the bottom of the up-down movement slide rail 1404; the up-and-down movement component 14 drives the reagent needle body 1 to move up and down; the reagent needle movement assembly comprises a horizontal movement assembly 15, the horizontal movement assembly 15 comprises a horizontal movement motor 1501, a horizontal movement driving wheel 1502, a horizontal movement driven wheel 1503, a horizontal movement belt 1504, a horizontal movement slide 1505 and a horizontal movement chain guide 1506, the horizontal movement motor 1501 is connected with the horizontal movement driving wheel 1502, the horizontal movement driving wheel 1502 drives the horizontal movement driven wheel 1503 to move through a horizontal movement belt 1504, the needle body mounting seat 5 is sleeved on the horizontal moving belt 1504 through a needle body connecting block, and the needle body connecting block is connected to both the horizontal movement sliding rail 1505 and the horizontal movement chain guide 1506, the horizontal motion driving wheel 1502 and the horizontal motion driven wheel 1503 are arranged above the horizontal mounting plate 16, and the horizontal motion motor 1501 is arranged below the horizontal mounting plate 16; the horizontal movement component 15 drives the reagent needle body 1 to move horizontally; the horizontal mounting plate 16 is mounted on the base 2.
The working principle of the reagent needle assembly is as follows: the up-and-down motion motor 1406 drives the reagent needle assembly and the reagent needle body 1 to move linearly on the up-and-down motion sliding rail 1404 of the Z axis; the horizontal motion motor 1501 drives the reagent needle assembly and the reagent needle body 1 to move linearly on the horizontal motion sliding rail 1505 of the Y axis; when a reagent box in a reagent bin rotates in place, a reagent needle assembly moves to a position above an opening of the reagent box in the Z-axis direction, a reagent needle body 1 moves downwards to the bottom of the reagent box in the Z-axis direction through liquid level detection (the needle body anti-collision function can ensure that the needle body of the reagent needle body 1 is not damaged even if the needle body touches the bottom, namely when the reagent needle body 1 touches the bottom, a spring 3 is compressed through a snap spring 10 fixed on the needle body and an on-needle fixing seat 7, the reagent needle body 1 is jacked after the spring 3 is compressed, an anti-collision optical coupler blocking sheet 8 on the reagent needle body 1 moves upwards along with the guide of a positioning pin 9, when the reagent needle body 1 moves to a detection position of the anti-collision optical coupler 4, the anti-collision optical coupler 4 feeds back to an up-down motion motor 1406, so that the up-down motion motor 1406 lifts the reagent needle body 1 to realize the anti-collision function, and the anti-collision function can ensure that the needle body is not damaged even if the needle body touches the bottom); after a certain amount of reagent is sucked, the needle body is lifted up and continuously moves to the position above the reaction cup transfer component in the Y-axis direction, and then the needle body is descended to inject the reagent into the reaction cup after the reagent is in place; and then return to the initial position to continue the next action. (if reagent is changed in the next aspiration, the reagent is moved to a reagent needle cleaning station for inner and outer wall cleaning before returning to the initial position to ensure the accuracy of the detection data).
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A reagent needle assembly for a full-automatic chemiluminescence immunoassay analyzer is characterized by comprising a reagent needle movement assembly, a reagent needle collision prevention assembly and a reagent needle body, wherein the reagent needle body is arranged on the reagent needle collision prevention assembly, and the reagent needle movement assembly drives the reagent needle body to move; the reagent needle anti-collision assembly comprises a needle body mounting seat, a spring and an anti-collision optical coupler, one end of the reagent needle body is mounted on the needle body mounting seat, and the anti-collision optical coupler is arranged on the needle body mounting seat and on one side of the reagent needle body; the spring is sleeved on the reagent needle body.
2. The reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer of claim 1, wherein the reagent needle collision prevention assembly further comprises a snap spring and an upper needle fixing seat, wherein the upper needle fixing seat fixes the reagent needle body on the needle body mounting seat, and the snap spring is arranged at the bottom of the spring.
3. The reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer according to claim 2, wherein the reagent needle collision avoidance assembly further comprises a collision avoidance optocoupler catch and a positioning pin, the collision avoidance optocoupler catch is arranged on the needle upper fixing seat and below the collision avoidance optocoupler; the needle body mounting seat is provided with a positioning pin hole, and the positioning pin is arranged in the positioning pin hole, penetrates through the needle upper fixing seat and the anti-collision optocoupler catch and is connected with the anti-collision optocoupler catch; and the positioning pin drives the anti-collision optocoupler separation blade to move up and down when moving up and down in the positioning pin hole.
4. The reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer according to claim 2, wherein the reagent needle collision prevention assembly further comprises a needle lower fixing seat which is sleeved on the periphery of the reagent needle body and connected with the needle upper fixing seat through the needle body mounting seat.
5. The reagent needle assembly for a full-automatic chemiluminescent immunoassay analyzer of claim 1 further comprising a pressure detection block connected to the needle body mount by a detection mounting plate.
6. The reagent needle assembly for a full-automatic chemiluminescent immunoassay analyzer of claim 5, wherein the other side of the detection mounting plate is provided with a detection plate.
7. The reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer according to claim 1, wherein the reagent needle movement assembly comprises an up-down movement assembly, the up-down movement assembly comprises an up-down movement motor, an up-down movement driving wheel, an up-down movement driven wheel, an up-down movement belt, an up-down movement slide rail and an up-down movement chain guide rail, the up-down movement motor is connected with the up-down movement driving wheel, the up-down movement driving wheel drives the up-down movement driven wheel to move through the up-down movement belt, the needle body mounting seat is sleeved on the up-down movement belt through a needle body connecting block, and the needle body connecting block is connected with the up-down movement slide rail and the up-down movement chain guide rail; the up-and-down movement chain guide rail is connected with the bottom of the up-and-down movement slide rail.
8. The reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer according to claim 1, wherein the reagent needle movement assembly comprises a horizontal movement assembly, the horizontal movement assembly comprises a horizontal movement motor, a horizontal movement driving wheel, a horizontal movement driven wheel, a horizontal movement belt, a horizontal movement sliding rail and a horizontal movement chain guide rail, the horizontal movement motor is connected with the horizontal movement driving wheel, the horizontal movement driving wheel drives the horizontal movement driven wheel to move through the horizontal movement belt, the needle body mounting seat is sleeved on the horizontal movement belt through a needle body connecting block, and the needle body connecting block is connected with both the horizontal movement sliding rail and the horizontal movement chain guide rail.
9. The reagent needle assembly for a full-automatic chemiluminescent immunoassay analyzer of claim 8 wherein the horizontal motion drive wheel and the horizontal motion driven wheel are disposed above a horizontal mounting plate and the horizontal motion motor is disposed below the horizontal mounting plate.
10. The reagent needle assembly for the full-automatic chemiluminescence immunoassay analyzer of claim 4, wherein the spring and the snap spring are both arranged in the needle lower fixing seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220369983.6U CN216956076U (en) | 2022-02-23 | 2022-02-23 | Reagent needle assembly for full-automatic chemiluminescence immunoassay analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220369983.6U CN216956076U (en) | 2022-02-23 | 2022-02-23 | Reagent needle assembly for full-automatic chemiluminescence immunoassay analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN216956076U true CN216956076U (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220369983.6U Active CN216956076U (en) | 2022-02-23 | 2022-02-23 | Reagent needle assembly for full-automatic chemiluminescence immunoassay analyzer |
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| Country | Link |
|---|---|
| CN (1) | CN216956076U (en) |
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- 2022-02-23 CN CN202220369983.6U patent/CN216956076U/en active Active
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