CN220941240U - Centrifugal instrument for gathering trace liquid reagent through centrifugal force - Google Patents
Centrifugal instrument for gathering trace liquid reagent through centrifugal force Download PDFInfo
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- CN220941240U CN220941240U CN202322493445.5U CN202322493445U CN220941240U CN 220941240 U CN220941240 U CN 220941240U CN 202322493445 U CN202322493445 U CN 202322493445U CN 220941240 U CN220941240 U CN 220941240U
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- motor
- shaft sleeve
- motor shaft
- bottom plate
- shell
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- 239000003153 chemical reaction reagent Substances 0.000 title claims abstract description 37
- 239000007788 liquid Substances 0.000 title claims abstract description 19
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000013016 damping Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 230000035939 shock Effects 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 9
- 230000006698 induction Effects 0.000 claims description 8
- 235000001674 Agaricus brunnescens Nutrition 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000003745 diagnosis Methods 0.000 description 8
- 238000005119 centrifugation Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000338 in vitro Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Centrifugal Separators (AREA)
Abstract
The utility model discloses a centrifugal instrument for gathering trace liquid reagent by centrifugal force, wherein a rubber bottom sleeve is connected with a positioning pin of a bottom plate, the bottom of a motor is placed in a groove of the rubber bottom sleeve, the upper end of the motor is fixed in a central hole of a motor supporting seat, one end of a rubber shock-absorbing column is fixed on the motor supporting seat, the other end of the rubber shock-absorbing column is fixed on the bottom plate, a motor shaft sleeve is arranged on a motor shaft, the motor shaft sleeve is connected with a turntable, and a turntable pressing pad presses the turntable on a step of the motor shaft sleeve so that the turntable rotates together with the motor; 2n square holes for placing reagent strips and test tube jacks are uniformly distributed on the circumference of the inner wall of the turntable; the shell is fixedly connected with the bottom plate, and the upper cover is in damping hinge joint with the shell. The centrifugal instrument for gathering trace liquid reagent by centrifugal force can realize the functions of gathering trace liquid reagent to the bottom of a reagent strip or uniformly mixing or separating different reagents in the reagent strip by changing the rotating speed, the rotating direction and the rotating time of a motor.
Description
Technical Field
The utility model relates to the field of centrifugal equipment, in particular to a centrifugal instrument for gathering trace liquid reagents through centrifugal force.
Background
At present, along with the continuous improvement of the medical technology level in China, the use amount of an in-vitro diagnosis analyzer and a matched diagnosis reagent is continuously increased, and the accuracy of a diagnosis result becomes extremely important. The accuracy of the diagnosis result has a great relationship with the diagnosis instrument and the diagnosis reagent. Many of the diagnostic reagents are trace amounts of liquid reagents, which stick to the side walls of the container, resulting in reduced doses of liquid reagents involved in the reaction, which can easily lead to inaccurate diagnostic results.
In summary, the present utility model provides a centrifugal apparatus for collecting a trace amount of liquid reagent by centrifugal force.
Disclosure of utility model
Aiming at the defects existing in the prior art, the utility model aims to provide a centrifugal instrument for gathering trace liquid reagents through centrifugal force, so that all the liquid reagents are gathered at the bottom of a reagent strip to participate in test reaction, and an accurate diagnosis result is obtained.
In order to achieve the above object, the present utility model is realized by the following technical scheme: a centrifugal instrument for gathering trace liquid reagent by centrifugal force comprises a bottom plate, a shell and a rotary table, wherein three rubber foot pads are arranged on the lower end surface of the bottom plate, a positioning pin is arranged at the center position of the upper end surface of the bottom plate, and a rubber bottom sleeve is connected with the bottom plate through the positioning pin on the bottom plate; the bottom of the motor is placed in the groove of the rubber bottom sleeve and is tightly matched with the groove of the rubber bottom sleeve; the motor support seat is of a hollow cylinder structure, the upper end of the motor body is fixedly connected with a step surface of a central hole of the motor support seat through a screw, the bottom of the motor support seat is of a convex disc structure, six screw holes for connecting rubber shock absorption columns are uniformly distributed at the position, close to an edge circle, of the convex disc, the rubber shock absorption columns are fixed on the motor support seat through screws of the rubber shock absorption columns, the other ends of the rubber shock absorption columns are fixed on a bottom plate through screws, three supporting legs are uniformly arranged at the top end of the motor support seat, and a motor rotation speed monitoring circuit board is fixedly connected with the three supporting legs at the top end of the motor support seat through the screws; the motor shaft sleeve is connected to the rotating shaft of the motor, the motor shaft sleeve is in a convex shape, a blind hole with the same diameter as the rotating shaft of the motor is formed in the bottom of the motor shaft sleeve and is divided into two halves, a gap of 0.2-0.5 mm is formed between the two halves, two screw holes are formed in one of the halves of the motor shaft sleeve, two through holes are formed in the other half, the blind hole of the motor shaft sleeve is matched with the rotating shaft of the motor, the motor shaft sleeve is clamped on the rotating shaft of the motor by tightening a screw arranged on the motor shaft sleeve, the top of the motor shaft sleeve is a short shaft, screw holes are formed in the end face of the short shaft, and the short shaft is used for connecting a turntable; the control circuit board is arranged on the bottom plate and used for controlling the operation of the instrument, and the control circuit board is in circuit connection with the motor, the motor rotation speed monitoring circuit board, the starting key of the shell and the cover-closing induction circuit board.
Preferably, the shell is fixedly connected with the bottom plate through a screw hole at the bottom of the shell, the starting key is fixed on the front surface of the front end of the shell through a round nut, the upper cover is hinged with the shell in a damping way, two cylindrical magnets are fixed at the front end of the upper cover, a cover closing induction circuit board for inducing the opening and closing states of the upper cover and a magnet attraction piece for magnetically keeping the upper cover to be closed are fixed inside the shell, and two mushroom head rubber columns for buffering the impact of the upper cover when the upper cover is closed are arranged on the upper end surface of the shell.
Preferably, the rotary table is of an inverted cone table structure, 2n (n is more than or equal to 1) square holes for placing reagent strips and 2n test tube jacks are uniformly distributed on the inner wall of the rotary table in the circumferential direction, a through hole connected with a motor shaft sleeve is formed in the bottom of the rotary table, the rotary table is coaxially connected with the short shaft of the motor shaft sleeve, a rotary table pressing pad is arranged at the top end of the motor shaft sleeve through a screw, and the rotary table is pressed on a step of the motor shaft sleeve, so that the rotary table rotates along with the motor shaft sleeve; four blind holes for installing cylindrical magnets are uniformly distributed on a small table surface outside the turntable in the circumferential direction, and a motor rotation speed monitoring circuit board calculates the rotation speed of the motor by sensing the rotation speed of the turntable through the cylindrical magnets and feeds back a rotation speed signal of the motor to a control circuit board.
The utility model has the following beneficial effects:
1. The centrifugal instrument can prevent the liquid reagent from being stuck on the side wall of the reagent strip, so that all the liquid reagent in the reagent strip is gathered at the bottom of the reagent strip to participate in the test reaction, and the diagnosis result is more accurate.
2. The centrifugation instrument of the present utility model can be used for centrifugation of a sample.
3. By changing the rotation speed, the rotation direction and the rotation time of the centrifugal instrument, the mixing or the separation of different reagents can be realized.
Drawings
The utility model is described in detail below with reference to the drawings and the detailed description;
FIG. 1 is a schematic view in overall section of the present utility model;
FIG. 2 is a schematic diagram of a base plate of the present utility model;
FIG. 3 is a schematic view of a housing of the present utility model in partial cutaway;
fig. 4 is a schematic cut-away view of a turntable according to the present utility model.
Detailed Description
The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.
Referring to fig. 1 and 2, the present embodiment adopts the following technical scheme: a centrifugal instrument for gathering trace liquid reagent by centrifugal force comprises a bottom plate 1, a shell 2 and a rotary disk 3. Three rubber foot pads 4 are arranged on the lower end face of the bottom plate 1 and used for supporting an instrument and reducing vibration transmitted to a working table by the instrument, a positioning pin is arranged in the center of the upper end face of the bottom plate 1, and a rubber bottom sleeve 5 is connected with the bottom plate 1 through the positioning pin on the bottom plate 1; the bottom of the motor 6 is placed in the groove of the rubber bottom sleeve 5 and is tightly matched with the groove of the rubber bottom sleeve 5; the motor support seat 7 is of a hollow cylinder structure, the upper end of the machine body of the motor 6 is fixedly connected with the step surface of the central hole of the motor support seat 7 through screws, the bottom of the motor support seat 7 is of a convex disc structure, six screw holes for connecting the rubber shock absorption columns 8 are uniformly distributed at the positions close to the edge circles of the convex disc, the rubber shock absorption columns 8 are fixed on the motor support seat 7 through screws of the rubber shock absorption columns 8, the other ends of the rubber shock absorption columns 8 are fixed on the bottom plate 1 through screws, the rubber shock absorption columns 8 and the rubber bottom sleeve 4 jointly reduce vibration transmitted to the bottom plate 1 by the motor 6, and noise in the working process of an instrument is reduced; three supporting legs are uniformly arranged at the top end of the motor supporting seat 7, and the motor rotation speed monitoring circuit board 9 is fixedly connected with the three supporting legs at the top end of the motor supporting seat 7 through screws; the motor shaft sleeve 10 is connected to the rotating shaft of the motor 6, the motor shaft sleeve 10 is in a convex shape, a blind hole with the same diameter as the rotating shaft of the motor 6 is formed in the bottom of the motor shaft sleeve 10 and divided into two halves, a gap of 0.2-0.5 mm is formed in the middle of each of the two halves, two screw holes are formed in one half of the motor shaft sleeve 10, two through holes are formed in the other half of the motor shaft sleeve 10, the blind hole of the motor shaft sleeve 10 is matched with the rotating shaft of the motor 6, then screws arranged on the motor shaft sleeve 10 are screwed, the motor shaft sleeve 10 is clamped on the rotating shaft of the motor 6, a short shaft is arranged at the top of the motor shaft sleeve, and screw holes are formed in the end face of the short shaft, and the short shaft is used for connecting the turntable 3. The control circuit board 11 installed on the bottom plate 1 controls the operation of the instrument, and the control circuit board 11 is in circuit connection with the motor 6, the motor rotation speed monitoring circuit board 9, the starting key 12 of the shell 2 and the cover closing induction circuit board 16.
Referring to fig. 1 and 3, a casing 2 is fixedly connected with a bottom plate 1 through six screw holes at the bottom of the casing 2, a start key 12 is fixed on the front surface of the front end of the casing 2 through a round nut, an upper cover 13 is in damping hinge connection with the casing 2, two cylindrical magnets 14 are fixed at the front end of the upper cover 13, a magnet attraction piece 15 and a cover closing induction circuit board 16 are fixed inside the casing 2, when the upper cover 13 is closed, the cylindrical magnets 14 at the left side of the upper cover 13 are magnetically attracted with the magnet attraction piece 15, the upper cover 13 is ensured to be tightly covered on the casing 2, foreign matters are prevented from flying out of an instrument, the cover closing induction circuit board 16 senses that the upper cover 13 is in a closed state through the cylindrical magnets 14 at the right side of the upper cover 13, when the upper cover 13 is opened, the cover closing induction circuit board 16 senses the cylindrical magnets at the right side of the upper cover 13, then an electric signal is transmitted to the control circuit board 11, and the control circuit board 11 sends the electric signal to the motor 6 to enable the motor 6 to stop rotating in an emergency; the upper end face of the housing 2 is provided with two mushroom head rubber posts 17 for cushioning impact with the housing 2 when the upper cover 13 is closed.
Referring to fig. 1 and 4, a circular hole on a small table top of the turntable 3 is connected with a short shaft at the upper end of the motor shaft sleeve 10, and a turntable pressing pad 18 is mounted at the top end of the motor shaft sleeve 10 by a screw, presses the turntable 3 on a step of the motor shaft sleeve 10 and rotates together with the motor 6. The turntable 3 is of an inverted cone table structure, four square holes are uniformly formed in the circumferential direction of the inner wall and used for placing special reagent strips, and 1 circular test tube jack is radially designed in the middle of each two square holes and used for inserting test tubes; the bottom is equipped with the through-hole that is connected with motor axle sleeve 10, four blind holes that are used for installing cylindrical magnet 19 on the outside small mesa of carousel 3 on circumferencial direction equipartition, and motor rotational speed monitoring circuit board 9 is through the rotational speed of cylindrical magnet 19 response carousel 3, then calculates the rotational speed of motor 6 to feed back the rotational speed signal of motor 6 to control circuit board 11, control circuit board 11 controls the running state of instrument.
The application method of the specific embodiment is as follows: powering on the centrifugal instrument, opening the upper cover 13, inserting test tubes into special round holes of the test tubes of the turntable 3, or inserting reagent strips into square holes of the turntable 3, selecting the centrifugation speed and the centrifugation time according to the substances to be centrifuged, closing the upper cover 13, pressing the front start key 12, and then waiting for the completion of uniform mixing, separation or sedimentation and aggregation of the reagents, and then sending out a dripping prompt tone by the centrifugal instrument, so that the upper cover 13 can be opened, and taking out the test tubes or the reagent strips; in addition, the upper cover 13 is opened or the start key 12 is pressed in the running process of the centrifugal instrument, the turntable 3 can be stopped in an emergency, and the turntable 3 is prevented from being injured by touching by hands.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The centrifugal instrument is characterized by comprising a bottom plate (1), a shell (2) and a rotary table (3), wherein three rubber foot pads (4) are arranged on the lower end surface of the bottom plate (1), a positioning pin is arranged at the center position of the upper end surface of the bottom plate (1), and a rubber bottom sleeve (5) is connected with the bottom plate (1) through the positioning pin on the bottom plate (1); the bottom of the motor (6) is placed in the groove of the rubber bottom sleeve (5) and is tightly matched with the groove of the rubber bottom sleeve (5); the motor support seat (7) is of a hollow cylinder structure, the upper end of the machine body of the motor (6) is fixedly connected with the step surface of the central hole of the motor support seat (7) through screws, the bottom of the motor support seat (7) is of a convex disc structure, six screw holes for connecting the rubber shock absorption columns (8) are uniformly distributed at the positions close to the edge circles of the convex disc, the rubber shock absorption columns (8) are fixed on the motor support seat (7) through screws of the rubber shock absorption columns, the other ends of the rubber shock absorption columns (8) are fixed on the bottom plate (1) through screws, three supporting legs are uniformly arranged at the top ends of the motor support seat (7), and the motor rotation speed monitoring circuit board (9) is fixedly connected with the three supporting legs at the top ends of the motor support seat (7) through screws; the rotating shaft of the motor (6) is connected with a motor shaft sleeve (10).
2. The centrifugal instrument for gathering trace liquid reagent by centrifugal force according to claim 1, wherein the motor shaft sleeve (10) is in a convex shape, a blind hole with the same diameter as the rotating shaft of the motor (6) is arranged at the bottom of the motor shaft sleeve (10) and divided into two parts, a gap of 0.2-0.5 mm is arranged between the two parts, two screw holes are arranged on one part of the motor shaft sleeve (10), two through holes are arranged on the other part of the motor shaft sleeve, the blind hole of the motor shaft sleeve (10) is matched with the rotating shaft of the motor (6), the motor shaft sleeve (10) is clamped on the rotating shaft of the motor (6) by screwing a screw arranged on the motor shaft sleeve (10), the top of the motor shaft sleeve (10) is a short shaft, the end face of the short shaft is provided with the screw hole, and the short shaft is used for connecting the turntable (3).
3. The centrifugal instrument for collecting trace liquid reagents by centrifugal force according to claim 1, wherein a control circuit board (11) is arranged on the bottom plate (1) for controlling the operation of the instrument, and the control circuit board (11) is in circuit connection with the motor (6), the motor rotation speed monitoring circuit board (9), the start key (12) of the shell (2) and the cover closing induction circuit board (16).
4. The centrifugal instrument for gathering trace liquid reagent by centrifugal force according to claim 1, wherein the shell (2) is fixedly connected with the bottom plate (1) through a screw hole at the bottom of the shell, the starting key (12) is fixed on the front surface of the front end of the shell (2) through a round nut, the upper cover (13) is in damping hinge connection with the shell (2), two cylindrical magnets (14) are fixed at the front end of the upper cover (13), a cover closing induction circuit board for inducing the opening and closing states of the upper cover and a magnet attraction piece (15) for keeping the upper cover closed by magnetic force are fixed inside the shell (2), and two mushroom head rubber columns (17) for buffering the impact of the upper cover with the shell are arranged on the upper end surface of the shell.
5. The centrifugal instrument for gathering trace liquid reagent by centrifugal force according to claim 1, wherein the rotary disc (3) is of an inverted cone table structure, 2n square holes for placing reagent strips and 2n test tube jacks are uniformly distributed on the inner wall of the rotary disc in the circumferential direction, n is more than or equal to 1, a through hole connected with a motor shaft sleeve (10) is arranged at the bottom of the rotary disc, the rotary disc (3) is coaxially connected with the short shaft of the motor shaft sleeve, and a rotary disc pressing pad is arranged at the top end of the motor shaft sleeve by a screw and presses the rotary disc on a step of the motor shaft sleeve so that the rotary disc rotates together with the motor shaft sleeve; four blind holes for installing cylindrical magnets are uniformly distributed on a small table surface outside the turntable in the circumferential direction, and a motor rotation speed monitoring circuit board calculates the rotation speed of the motor by sensing the rotation speed of the turntable through the cylindrical magnets and feeds back a rotation speed signal of the motor to a control circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493445.5U CN220941240U (en) | 2023-09-14 | 2023-09-14 | Centrifugal instrument for gathering trace liquid reagent through centrifugal force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322493445.5U CN220941240U (en) | 2023-09-14 | 2023-09-14 | Centrifugal instrument for gathering trace liquid reagent through centrifugal force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220941240U true CN220941240U (en) | 2024-05-14 |
Family
ID=91017249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322493445.5U Active CN220941240U (en) | 2023-09-14 | 2023-09-14 | Centrifugal instrument for gathering trace liquid reagent through centrifugal force |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220941240U (en) |
-
2023
- 2023-09-14 CN CN202322493445.5U patent/CN220941240U/en active Active
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