CN214636520U - Micro reagent mixing sample injector - Google Patents
Micro reagent mixing sample injector Download PDFInfo
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- CN214636520U CN214636520U CN202120757567.9U CN202120757567U CN214636520U CN 214636520 U CN214636520 U CN 214636520U CN 202120757567 U CN202120757567 U CN 202120757567U CN 214636520 U CN214636520 U CN 214636520U
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Abstract
A micro-reagent mixing sample injector comprises a sample injector body, a sample injection head and a sample injection piston; a sample adding mixing cavity and a material adding storage cavity are arranged in the sample adding device body, a material adding output pore canal is arranged between the sample adding mixing cavity and the material adding storage cavity, the two cavities are communicated through the material adding output pore canal, and a feed inlet of the material adding storage cavity is provided with a sealing plug; a feeding trace quantitative output control assembly is arranged in the sample injector body between the feeding port of the feeding output pore passage and the feeding storage cavity; the sample adding head is fixedly arranged on the sample adding device body; the sample adding piston is positioned in the sample adding mixing cavity, the sample adding piston is in sealed sliding fit with the inner wall of the sample adding mixing cavity, and the rodless cavity of the sample adding mixing cavity is communicated with the sample adding head; a piston rod of the sample adding piston is arranged in a piston rod through hole in the sample adding device body in a penetrating manner, the end part of the piston rod of the sample adding piston is fixedly connected with a piston driving handle, and a handle guide chute is arranged in the sample adding device body where the piston driving handle is positioned; a piston fixed-distance movement control assembly is arranged in the handle guide chute above the piston driving handle.
Description
Technical Field
The utility model belongs to the technical field of medical science experiment apparatus, especially, relate to a trace reagent mixes application of sample ware.
Background
In the medical science experimentation, through the condition that meets the needs trace addition experimental materials, just need use the injector this moment, but the present injector still has some design deficiencies in the market, when the present injector of experimenter use, the excessive condition of pressing force appears very easily when trace addition experimental materials to lead to the excessive condition of addition appearance of experimental materials.
SUMMERY OF THE UTILITY MODEL
Problem to prior art exists, the utility model provides a trace reagent mixes application of sample ware, when the experimenter is using the application of sample ware, has abandoned traditional push type application of sample mode, satisfies the accurate absorption and the injection output of experimental materials through distance control mode to add the mixture of material and add the time, can realize that the trace ration adds.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a micro-reagent mixing sample injector comprises a sample injector body, a sample injection head and a sample injection piston; the sample adding device comprises a sample adding device body, a sample adding mixing cavity, a material adding storage cavity, a material adding output pore canal, a material adding outlet pore canal, a sealing plug and a material outlet pore canal, wherein the sample adding mixing cavity and the material adding storage cavity are respectively formed in the sample adding device body; a feeding trace quantitative output control assembly is arranged in the sample injector body between the feeding port of the feeding output pore channel and the feeding storage cavity; the sample adding head is fixedly arranged on the sample adding device body; the sample adding piston is positioned in the sample adding mixing cavity, the sample adding piston is in sealed sliding fit with the inner wall of the sample adding mixing cavity, and a rodless cavity of the sample adding mixing cavity is communicated with the sample adding head; a piston rod of the sample adding piston is arranged in a piston rod through hole in the sample adding device body in a penetrating manner, a piston driving handle is fixedly connected to the end part of the piston rod of the sample adding piston, and a handle guide sliding groove is formed in the sample adding device body where the piston driving handle is located; and a piston fixed-distance movement control assembly is arranged in the handle guide chute above the piston driving handle.
The feeding micro quantitative output control assembly comprises a quantitative feeding roller and a feeding roller driving knob; a feeding roller mounting hole is formed in the sample injector body, the quantitative feeding roller is positioned in the feeding roller mounting hole, and the quantitative feeding roller has a rotary degree of freedom in the feeding roller mounting hole; the quantitative feeding roller is characterized in that a plurality of quantitative storage grooves are formed in the surface of the roller body of the quantitative feeding roller, the quantitative storage grooves are uniformly distributed along the circumferential direction of the surface of the roller body of the quantitative feeding roller, and the quantitative storage grooves are communicated with the material adding storage cavity or the material adding output pore passage through the rotation of the quantitative feeding roller; the unloading roller drive knob is located the external portion of sample injector organism and links firmly with the ration unloading roller is coaxial, is provided with knob location bolt on unloading roller drive knob, and knob location bolt has the axial displacement degree of freedom on unloading roller drive knob, has seted up knob location jack on the sample injector organism just right with knob location bolt, and knob location bolt is triangle-shaped with the grafting cooperation section cross-sectional shape of knob location jack.
The piston fixed-distance movement control assembly comprises a positioning disc, a positioning rod, an unlocking disc, an unlocking pin, a thrust spring, a gear, a rack and a gear locking plate; the positioning rod is positioned in a handle guide sliding groove above the piston driving handle, and the positioning rod has linear movement freedom in the handle guide sliding groove; the positioning disc is positioned outside the sample injector body and fixedly connected to the extension end of the positioning rod; one end of the unlocking pin penetrates through the positioning plate and extends into the sample injector body, the other end of the unlocking pin extends to the outside of the sample injector body and is positioned on the outer side of the positioning plate, and the unlocking pin has linear movement freedom; the unlocking disc is positioned on the outer side of the positioning disc and is fixedly connected to the end part of the unlocking pin; a limiting convex block is arranged on the inner surface of the unlocking disc, a limiting groove is arranged on the outer surface of the positioning disc, and the limiting convex block is clamped and matched with the limiting groove; the gear is arranged on the positioning rod and has a rotation degree of freedom; the gear locking plate is fixedly connected to the unlocking pin and is in clamping fit with the gear; the rack is fixedly arranged in the handle guide sliding chute and is parallel to the handle guide sliding chute; the gear is meshed with the rack; the thrust spring is sleeved on the unlocking pin, one end of the thrust spring is fixedly connected with the unlocking pin, and the other end of the thrust spring is fixedly connected with the positioning rod; and a scale is arranged on the outer surface of the sample injector body at the side of the handle guide sliding groove.
The utility model has the advantages that:
the utility model discloses a trace reagent mixes application of sample ware, when the experimenter is using the application of sample ware, has abandoned traditional push type application of sample mode, satisfies the accurate absorption and the injection output of experimental materials through distance control mode to add the mixed addition of material, can realize that trace ration adds.
Drawings
FIG. 1 is a schematic structural view of a micro-reagent mixing sample injector according to the present invention;
FIG. 2 is a schematic structural view of a micro-reagent mixing sample applicator (in full section) according to the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is a schematic view of a micro-reagent mixing applicator according to the present invention (partially cut away);
FIG. 5 is an enlarged view of portion B of FIG. 4;
FIG. 6 is an enlarged view of the portion C of FIG. 4;
in the figure, 1-sample injector body, 2-sample adding head, 3-sample adding piston, 4-sample adding mixing chamber, 5-material adding storage chamber, 6-material adding output pore canal, 7-sealing plug, 8-piston driving handle, 9-handle guide chute, 10-quantitative blanking roller, 11-blanking roller driving knob, 12-quantitative storage groove, 13-knob positioning bolt, 14-positioning disc, 15-positioning rod, 16-unlocking disc, 17-unlocking pin, 18-thrust spring, 19-gear, 20-rack, 21-gear locking plate, 22-limiting lug, 23-limiting groove, 24-graduated scale.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 to 6, a micro reagent mixing sample injector includes a sample injector body 1, a sample injector head 2, and a sample injector piston 3; a sample adding mixing cavity 4 and a material adding storage cavity 5 are respectively arranged in the sample adding device body 1, a material adding output pore channel 6 is arranged between the sample adding mixing cavity 4 and the material adding storage cavity 5, the sample adding mixing cavity 4 is communicated with the material adding storage cavity 5 through the material adding output pore channel 6, and a sealing plug 7 is arranged at a feeding hole of the material adding storage cavity 5; a feeding trace quantitative output control assembly is arranged in the sample injector body 1 between the feeding port of the feeding output pore passage 6 and the feeding storage cavity 5; the sample adding head 2 is fixedly arranged on the sample adding device body 1; the sample adding piston 3 is positioned in the sample adding mixing cavity 4, the sample adding piston 3 is in sealed sliding fit with the inner wall of the sample adding mixing cavity 4, and a rodless cavity of the sample adding mixing cavity 4 is communicated with the sample adding head 2; a piston rod of the sample adding piston 3 is arranged in a piston rod through hole in the sample adding device body 1 in a penetrating way, the end part of the piston rod of the sample adding piston 3 is fixedly connected with a piston driving handle 8, and a handle guide chute 9 is arranged in the sample adding device body 1 where the piston driving handle 8 is positioned; a piston distance movement control component is arranged in the handle guide chute 9 above the piston driving handle 8.
The feeding micro quantitative output control assembly comprises a quantitative feeding roller 10 and a feeding roller driving knob 11; a feeding roller mounting hole is formed in the sample injector body 1, the quantitative feeding roller 10 is located in the feeding roller mounting hole, and the quantitative feeding roller 10 has a rotation degree of freedom in the feeding roller mounting hole; a plurality of quantitative storage grooves 12 are formed in the surface of the roller body of the quantitative blanking roller 10, the quantitative storage grooves 12 are uniformly distributed along the circumferential direction of the surface of the roller body of the quantitative blanking roller 10, and the quantitative storage grooves 12 are communicated with the material adding storage cavity 5 or the material adding output pore passage 6 through the rotation of the quantitative blanking roller 10; unloading roller drive knob 11 is located the sample injector organism 1 outside and links firmly with the ration unloading roller 10 is coaxial, is provided with knob location bolt 13 on unloading roller drive knob 11, and knob location bolt 13 has the axial displacement degree of freedom on unloading roller drive knob 11, has seted up knob location jack on the sample injector organism 1 just right with knob location bolt 13, and knob location bolt 13 is triangle-shaped with the grafting cooperation section cross sectional shape of knob location jack.
The piston distance movement control assembly comprises a positioning disc 14, a positioning rod 15, an unlocking disc 16, an unlocking pin 17, a thrust spring 18, a gear 19, a rack 20 and a gear locking plate 21; the positioning rod 15 is positioned in the handle guide sliding groove 9 above the piston driving handle 8, and the positioning rod 15 has linear movement freedom in the handle guide sliding groove 9; the positioning disc 14 is positioned outside the sample injector body 1 and fixedly connected to the extending end of the positioning rod 15; one end of the unlocking pin 17 penetrates through the positioning plate 14 and extends into the sample injector body 1, the other end of the unlocking pin 17 extends to the outside of the sample injector body 1 and is positioned on the outer side of the positioning plate 14, and the unlocking pin 17 has linear movement freedom; the unlocking disc 16 is positioned outside the positioning disc 14 and is fixedly connected to the end part of the unlocking pin 17; a limiting convex block 22 is arranged on the inner surface of the unlocking disc 16, a limiting groove 23 is arranged on the outer surface of the positioning disc 14, and the limiting convex block 22 is matched with the limiting groove 23 in a clamping manner; the gear 19 is arranged on the positioning rod 15, and the gear 19 has a rotary degree of freedom; the gear locking plate 21 is fixedly connected to the unlocking pin 17, and the gear locking plate 21 is clamped and matched with the gear 19; the rack 20 is fixedly arranged in the handle guide sliding groove 9, and the rack 20 is parallel to the handle guide sliding groove 9; the gear 19 is meshed with the rack 20; the thrust spring 18 is sleeved on the unlocking pin 17, one end of the thrust spring 18 is fixedly connected with the unlocking pin 17, and the other end of the thrust spring 18 is fixedly connected with the positioning rod 15; and a scale 24 is arranged on the outer surface of the sample injector body 1 at the side of the handle guide chute 9.
The utility model is described with the following drawings in the process of one-time use:
when the experimental material needs to be sucked into the sample-adding mixing cavity 4, the unlocking disc 16 is firstly pressed down, so that the unlocking disc 16 and the positioning disc 14 are attached together, and meanwhile, the limiting projection 22 enters the limiting groove 23. As the unlocking disk 16 is pressed, the unlocking pin 17 is moved inward by the unlocking disk 16, so that the thrust spring 18 is further compressed, and the gear lock plate 21 is moved, and the gear lock plate 21 is disengaged from the gear 19. The positioning plate 14 can be pushed upwards while the unlocking plate 16 is pressed, and the positioning rod 15 is driven to move upwards along the handle guide chute 9, and the moving distance of the positioning rod 15 is determined by the graduated scale 24. After the positioning rod 15 finishes moving at a fixed distance, the unlocking disc 16 is pressed by releasing, at the moment, under the action of the thrust spring 18, the unlocking pin 17 retreats and restores the original position, the gear locking plate 21 is driven to restore the original position, the gear 19 is clamped by the gear locking plate 21 again and cannot rotate, the position of the positioning rod 15 is locked and cannot move, meanwhile, along with the restoration of the unlocking pin 17, the unlocking disc 16 retreats together and is separated from the positioning disc 14, and the limiting bump 22 retreats from the limiting groove 23. After the above-mentioned action is carried out, piston drive handle 8 can only move in handle guide spout 9 below locating lever 15, has just also realized the distance removal of piston drive handle 8.
Next, when carrying out the absorption of experimental materials, only need upwards promote piston drive handle 8, drive application of sample piston 3 through piston drive handle 8 and upwards remove, no rod chamber at application of sample hybrid chamber 4 can form the negative pressure this moment, under the negative pressure effect, experimental materials can be directly inhaled in the no rod chamber of application of sample hybrid chamber 4 through application of sample head 2, until piston drive handle 8 and locating lever 15 contact, the absorption process of experimental materials ends, this moment under the distance effect of locating lever 15, can guarantee that the experimental materials of absorbing at every turn all are quantitative, the condition of having avoided excessively absorbing the experimental materials takes place.
When the trace addition of application of sample mixing chamber 4 is expected, take off at first and add sealing plug 7 of material storage chamber 5 feed inlet department, later add the material to adding material storage chamber 5 through the feed inlet in, the packing back sealing plug 7 can after accomplishing to add. Afterwards outwards draw knob location bolt 13, make knob location bolt 13 deviate from the knob location jack on the sample injector organism 1, unloading roller drive knob 11 resumes to rotate freely this moment, later rotatory unloading roller drive knob 11, it rotates to get into to drive ration unloading roller 10 synchronous, when one of them ration storage recess 12 with add material storage chamber 5 intercommunication, add in material storage chamber 5 add the material can get into ration storage recess 12 automatically, along with ration unloading roller 10 is rotatory, the ration storage recess 12 that the storage added the material can with add material output pore 6 intercommunication, add in the material of ration storage recess 12 this moment can be arranged into the rodless chamber of application of sample mixing chamber 4 through adding material output pore 6, thereby the trace quantitative output of adding the material has been realized. The feeding roller driving knob 11 is repeatedly rotated, so that the feeding can be continuously and quantitatively output to the rodless cavity of the sample feeding mixing cavity 4 in a trace manner.
After the completion of adding material output, hold sample injector organism 1 and rock it, make experimental material and add the material and carry out intensive mixing in the no pole intracavity of application of sample mixing chamber 4, after mixing fully, only need to promote piston drive handle 8 downwards, drive application of sample piston 3 through piston drive handle 8 and move down, the mixed reagent of application of sample mixing chamber 4 no pole intracavity will be continuous under the pressure effect and discharge from application of sample head 2 this moment, until application of sample piston 3 moves to lower limit, make the whole sample injectors that discharge of mixed reagent.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications that do not depart from the scope of the present invention are intended to be included within the scope of the present invention.
Claims (3)
1. A micro reagent mixes application of sample ware which characterized in that: comprises a sample injector body, a sample injection head and a sample injection piston; the sample adding device comprises a sample adding device body, a sample adding mixing cavity, a material adding storage cavity, a material adding output pore canal, a material adding outlet pore canal, a sealing plug and a material outlet pore canal, wherein the sample adding mixing cavity and the material adding storage cavity are respectively formed in the sample adding device body; a feeding trace quantitative output control assembly is arranged in the sample injector body between the feeding port of the feeding output pore channel and the feeding storage cavity; the sample adding head is fixedly arranged on the sample adding device body; the sample adding piston is positioned in the sample adding mixing cavity, the sample adding piston is in sealed sliding fit with the inner wall of the sample adding mixing cavity, and a rodless cavity of the sample adding mixing cavity is communicated with the sample adding head; a piston rod of the sample adding piston is arranged in a piston rod through hole in the sample adding device body in a penetrating manner, a piston driving handle is fixedly connected to the end part of the piston rod of the sample adding piston, and a handle guide sliding groove is formed in the sample adding device body where the piston driving handle is located; and a piston fixed-distance movement control assembly is arranged in the handle guide chute above the piston driving handle.
2. The micro-reagent mixing applicator according to claim 1, wherein: the feeding micro quantitative output control assembly comprises a quantitative feeding roller and a feeding roller driving knob; a feeding roller mounting hole is formed in the sample injector body, the quantitative feeding roller is positioned in the feeding roller mounting hole, and the quantitative feeding roller has a rotary degree of freedom in the feeding roller mounting hole; the quantitative feeding roller is characterized in that a plurality of quantitative storage grooves are formed in the surface of the roller body of the quantitative feeding roller, the quantitative storage grooves are uniformly distributed along the circumferential direction of the surface of the roller body of the quantitative feeding roller, and the quantitative storage grooves are communicated with the material adding storage cavity or the material adding output pore passage through the rotation of the quantitative feeding roller; the unloading roller drive knob is located the external portion of sample injector organism and links firmly with the ration unloading roller is coaxial, is provided with knob location bolt on unloading roller drive knob, and knob location bolt has the axial displacement degree of freedom on unloading roller drive knob, has seted up knob location jack on the sample injector organism just right with knob location bolt, and knob location bolt is triangle-shaped with the grafting cooperation section cross-sectional shape of knob location jack.
3. The micro-reagent mixing applicator according to claim 1, wherein: the piston fixed-distance movement control assembly comprises a positioning disc, a positioning rod, an unlocking disc, an unlocking pin, a thrust spring, a gear, a rack and a gear locking plate; the positioning rod is positioned in a handle guide sliding groove above the piston driving handle, and the positioning rod has linear movement freedom in the handle guide sliding groove; the positioning disc is positioned outside the sample injector body and fixedly connected to the extension end of the positioning rod; one end of the unlocking pin penetrates through the positioning plate and extends into the sample injector body, the other end of the unlocking pin extends to the outside of the sample injector body and is positioned on the outer side of the positioning plate, and the unlocking pin has linear movement freedom; the unlocking disc is positioned on the outer side of the positioning disc and is fixedly connected to the end part of the unlocking pin; a limiting convex block is arranged on the inner surface of the unlocking disc, a limiting groove is arranged on the outer surface of the positioning disc, and the limiting convex block is clamped and matched with the limiting groove; the gear is arranged on the positioning rod and has a rotation degree of freedom; the gear locking plate is fixedly connected to the unlocking pin and is in clamping fit with the gear; the rack is fixedly arranged in the handle guide sliding chute and is parallel to the handle guide sliding chute; the gear is meshed with the rack; the thrust spring is sleeved on the unlocking pin, one end of the thrust spring is fixedly connected with the unlocking pin, and the other end of the thrust spring is fixedly connected with the positioning rod; and a scale is arranged on the outer surface of the sample injector body at the side of the handle guide sliding groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757567.9U CN214636520U (en) | 2021-04-14 | 2021-04-14 | Micro reagent mixing sample injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757567.9U CN214636520U (en) | 2021-04-14 | 2021-04-14 | Micro reagent mixing sample injector |
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| Publication Number | Publication Date |
|---|---|
| CN214636520U true CN214636520U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120757567.9U Active CN214636520U (en) | 2021-04-14 | 2021-04-14 | Micro reagent mixing sample injector |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115572662A (en) * | 2022-11-10 | 2023-01-06 | 江苏硕世生物科技股份有限公司 | Swab cleaning device in biological reaction card box and cleaning method thereof |
| WO2024066274A1 (en) * | 2022-09-29 | 2024-04-04 | 时新(上海)产品设计有限公司 | Sample adding device |
-
2021
- 2021-04-14 CN CN202120757567.9U patent/CN214636520U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024066274A1 (en) * | 2022-09-29 | 2024-04-04 | 时新(上海)产品设计有限公司 | Sample adding device |
| CN115572662A (en) * | 2022-11-10 | 2023-01-06 | 江苏硕世生物科技股份有限公司 | Swab cleaning device in biological reaction card box and cleaning method thereof |
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