CN211042903U

CN211042903U - Area shakes even sample diluting device of function

Info

Publication number: CN211042903U
Application number: CN201921509450.8U
Authority: CN
Inventors: 苗新利; 汪治鑫; 宋坤; 程思奇
Original assignee: Suzhou Hybiome Biomedical Engineering Co Ltd
Current assignee: Suzhou Hybiome Biomedical Engineering Co Ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-07-17
Anticipated expiration: 2029-09-11

Abstract

The application relates to a sample diluting device of even function is shaken in area, the opening of diluting the cup during dilution position is vertical upwards, and the opening of diluting the cup during washing position is vertical downwards, and the injection needle stretches into from the top when being located the dilution position and dilutes in the cup, successively pours into reagent and diluent into and dilutes in the cup. After the liquid is injected, the shaking-up component drives the dilution cup to move axially or swing in the plane direction, so that the liquid is shaken up, the shaken-up liquid is sucked away by the liquid sucking needle, the rear dilution cup rotates to a cleaning position, and the cleaning needle extends into the dilution cup to blow cleaning liquid to clean the dilution cup. Therefore, the utility model discloses a sample diluting device of even function is shaken in area has the function of shaking even and sample dilution simultaneously.

Description

Area shakes even sample diluting device of function

Technical Field

The application belongs to the technical field of medical equipment, especially, relate to a sample diluting device of even function is shaken in area.

Background

In the chemiluminescence immunoassay, the requirements of each detection item on the concentration of a sample marker are high or low. And a set of sample diluting mechanism is necessary to be equipped with the full-automatic chemiluminescence analysis instrument.

At present, when a full-automatic chemiluminescence analyzer is used for processing a sample dilution project, two modes are adopted: consuming one reaction cup as a dilution container; or a dilution mechanism configured with a re-flushable dilution cup.

Chinese patent document CN108458915A discloses a dual chamber dilution device, comprising: the device comprises a cleaning cavity, a dilution container, a cleaning pipe and a liquid injection cavity; the side walls of the top and the bottom of the cleaning cavity are respectively provided with a liquid feeding port and a liquid outlet; the dilution container is rotationally arranged in the cleaning cavity, two dilution cavities with one ends opened are symmetrically arranged on the dilution container, and the dilution container can rotate under the driving of driving equipment; the liquid injection cavity is arranged below the cleaning cavity and is connected with a liquid injection pipe; the cleaning pipe penetrates through the liquid injection cavity and extends into the cleaning cavity through the communicating hole between the liquid injection cavity and the cleaning cavity, and can move up and down under the driving of the driving device. The utility model provides a two-chamber diluting device avoids the phosphate in the washing cavity to flow into and annotates the liquid chamber, has washed the scavenge pipe simultaneously. The dual chamber dilution unit described above, however, is not capable of shake-up operation.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the defects in the prior art, the sample diluting device with the shaking and sample diluting functions is provided.

The utility model provides a technical scheme that its technical problem adopted is:

a sample diluting device with a shake-up function comprises:

the device comprises a dilution assembly, a shaking assembly and a cleaning assembly;

the dilution assembly comprises a rotary driving piece for dilution, a dilution cup fixing frame which is provided with an internal accommodating space and can rotate along a vertical surface under the driving of the rotary driving piece for dilution, and a dilution cup which is arranged in the accommodating space, wherein the dilution cup is arranged on the dilution cup fixing frame in a flexible fixing mode, the dilution cup fixing frame can reach a dilution position and a cleaning position under the driving of the rotary driving piece, and the rotary driving piece for dilution is a motor;

the shaking component comprises a shaking driving part and a disturbance rod extending into the accommodating space from a virtual rotating shaft of the dilution cup fixing frame, the shaking driving part can drive the disturbance rod to move axially or swing in the plane direction, and the bottom of the dilution cup is disturbed to enable the dilution cup to shake;

the cleaning assembly comprises a lifting driving piece and a cleaning needle driven by the lifting driving piece to move, and the cleaning needle can extend into the dilution cup positioned at the cleaning position under the driving of the lifting driving piece.

Preferably, the utility model discloses a take sample diluting device of shaking even function, dilute the cup and be two, two dilute the relative setting of cup.

Preferably, the utility model discloses a sample diluting device of even function is shaken in area, dilute the setting of cup mount and dilute indoor, the top and the bottom of diluting the room all are provided with the opening, it is in to shake even subassembly setting dilute on the room.

Preferably, the utility model discloses a sample diluting device of even function is shaken in area, it holds the chamber to dilute the bottom of the room portion to be provided with the washing liquid, the washing liquid holds the opening of chamber bottom and is provided with seal assembly, wash the needle can pass seal assembly the washing liquid holds the chamber and stretches into in the dilution cup.

Preferably, the utility model discloses a take sample diluting device of shaking even function, dilute the cup top and have flexible flange, dilute the cup and pass through the flange is fixed dilute on the cup mount.

Preferably, the utility model discloses a sample diluting device of even function is shaken in area, the disturbance pole end is provided with dials the piece, it is provided with and is used for holding to dilute the bottom of the cup the holding tank of dialling the piece, can drive during dialling the piece motion dilute the cup motion or swing.

Preferably, the utility model discloses a sample diluting device of even function is shaken in area, the straight line slider slide rail mechanism drive pipe mount motion that the lift driving piece was arranged through vertical direction, it fixes to wash the needle on the pipe mount.

Preferably, the utility model discloses a sample diluting device of even function is shaken in area, the rotary driving piece includes the rotating electrical machines, and the belt pulley of being connected with the axis of rotation of diluting the cup mount, the rotating electrical machines passes through hold-in range and belt pulley connection.

Preferably, the utility model discloses a take sample diluting device of shaking even function, the window has been seted up on the diluting chamber.

Preferably, the utility model discloses a sample diluting device of even function is shaken in area, shake even driving piece pass through cam mechanism with the disturbance pole is connected.

The utility model has the advantages that:

the utility model discloses a sample diluting device of even function is shaken in area dilutes the opening of cup when diluting the position vertically upwards, dilutes the opening of cup when wasing the position vertically downwards, and the injection needle stretches into from the top when being located the dilution position and dilutes in the cup, successively pours into reagent and diluent into and dilutes in the cup. After the liquid is injected, the shaking-up component drives the dilution cup to move axially or swing in the plane direction, so that the liquid is shaken up, the shaken-up liquid is sucked away by the liquid sucking needle, the rear dilution cup rotates to a cleaning position, and the cleaning needle extends into the dilution cup to blow cleaning liquid to clean the dilution cup. Therefore, the utility model discloses a sample diluting device of even function is shaken in area has the function of shaking even and sample dilution simultaneously.

Drawings

The technical solution of the present application is further explained below with reference to the drawings and the embodiments.

FIG. 1 is a schematic structural diagram of a sample dilution device with shake-up function according to an embodiment of the present application;

FIG. 2a is a schematic diagram of a dilution assembly according to an embodiment of the present application;

FIG. 2b is a cross-sectional view of a dilution assembly according to an embodiment of the present application;

FIG. 3 is a cross-sectional view of a dilution chamber and a dilution cup according to an embodiment of the present application;

FIG. 4 is a cross-sectional view of the dilution chamber and dilution cup and shake-up assembly of an embodiment of the present application;

FIG. 5 is a cross-sectional view of a sample dilution device with shake-up functionality according to an embodiment of the present application;

the reference numbers in the figures are:

100 dilution assembly

111 dilution chamber

112 window

113 cleaning liquid containing chamber

121 belt pulley

122 rotating shaft

123 dilution cup fixing frame

124 dilution cup

125 flange

126 bearing set

131 rotary driving element

132 synchronous belt

200 shake even subassembly

201 shaking up the driving member;

202 motor fixing frame;

203 a cam mechanism;

204 a disturbance rod;

205 a toggle block;

300 cleaning the component;

301 lifting drive member;

302 chassis;

303 linear slide block and slide rail mechanisms;

304 a catheter mount;

305 cleaning the needle;

306 sealing the assembly.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be considered limiting of the scope of the present application. Furthermore, the terms "first", "second", etc. 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. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the invention, unless otherwise specified, "a plurality" means two or more.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art through specific situations.

The technical solutions of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Examples

The present embodiment provides a sample dilution device with shake-up function, as shown in fig. 1, including:

a dilution assembly 100, a shake-up assembly 200 and a wash assembly 300;

the diluting assembly 100 comprises a rotary driving member 131 for dilution (the rotary driving member 131 comprises a rotary motor, a belt pulley 121 connected with a rotary shaft 122 of a diluting cup fixing frame 123, the rotary motor is connected with the belt pulley 121 through a synchronous belt 132), a diluting cup fixing frame 123 which has an internal accommodating space and can rotate along a vertical plane under the driving of the rotary driving member 131 for dilution, a diluting cup 124 arranged in the accommodating space, the diluting cup 124 is arranged on the diluting cup fixing frame 123 in a flexible fixing mode, the diluting cup fixing frame 123 can reach a diluting position and a cleaning position under the driving of the rotary driving member 131 for dilution, and the rotary driving member for dilution is a motor, a hydraulic cylinder, an air cylinder and the like;

the shaking assembly 200 comprises a shaking driving part 201 and a disturbance rod 204 extending into the accommodating space from a virtual rotating shaft of the dilution cup fixing frame 123, wherein the shaking driving part 201 can drive the disturbance rod 204 to move or swing along the axial direction of the disturbance rod 204 and disturb the bottom of the dilution cup 124 so as to enable the dilution cup 124 to shake;

the cleaning assembly 300 comprises a lifting driving member 301, and a cleaning needle 305 driven by the lifting driving member 301 to move, wherein the cleaning needle 305 can extend into the dilution cup 124 at a rotation angle of the cleaning position under the driving of the lifting driving member 301.

In the sample diluting device with shaking-up function of the above embodiment, the opening of the diluting cup 124 is vertically upward in the diluting position, the opening of the diluting cup 124 is vertically downward in the cleaning position, the liquid injection needle extends into the diluting cup 124 from the top in the diluting position, and the reagent and the diluting liquid are injected into the diluting cup 124 one after another. After the liquid is injected, the shaking assembly 200 drives the dilution cup 124 to move axially or swing in the plane direction, so that the liquid is shaken up, the shaken up liquid is sucked away by the liquid suction needle, then the dilution cup 124 rotates to a cleaning position, and the cleaning needle 305 extends into the dilution cup 124 to blow cleaning liquid to clean the dilution cup 124. Therefore, the sample diluting device with a shake-up function of the present embodiment has both shake-up and sample dilution functions.

The dilution cup fixing frame 123 is arranged in the dilution chamber 111, openings are formed in the top and the bottom of the dilution chamber 111, and the shaking assembly 200 is arranged on the dilution chamber 111. A window 112 may be formed on the dilution chamber 111 for easy observation.

In a modified embodiment, the bottom of the dilution chamber 111 is provided with a cleaning solution containing cavity 113, an opening at the bottom of the cleaning solution containing cavity 113 is provided with a sealing assembly 306, and the cleaning needle 305 can penetrate through the sealing assembly 306 and the cleaning solution containing cavity 113 to extend into the dilution cup 124. The cleaning liquid containing chamber 113 has a cleaning liquid discharge hole, and the seal member 306 prevents the cleaning liquid from flowing out from the gap between the inner wall and the cleaning needle 305.

Further, the top of the dilution cup 124 has a flexible flange 125, and the dilution cup 124 is fixed to the dilution cup holder 123 through the flange 125, for example, by screws or rivets. As a modified implementation method, the dilution cup 124 may be fixed to the dilution cup holder 123 by a spring, thereby ensuring a degree of freedom that can be shaken or swung. The rotary shaft 122 is fixedly supported by a bearing 126.

Further, a circular shifting block 205 is arranged at the tail end of the disturbance rod 204, an accommodating groove for accommodating the shifting block 205 is arranged at the bottom of the dilution cup 124, and the dilution cup 124 can be driven to move or swing when the shifting block 205 moves.

Further, the shake-up driving member 201 is connected to the disturbance rod 204 through a cam mechanism 203.

Further, the lifting driving member 301 drives the catheter fixing frame 304 to move through the linear slider sliding rail mechanism 303 arranged in the vertical direction, and the cleaning needle 305 is fixed on the catheter fixing frame 304 and moves together with the cleaning needle 305.

Further, the number of the dilution cups 124 is two, the two dilution cups are oppositely arranged, and the two dilution cups 124 can simultaneously perform cleaning and liquid injection dilution, so that the use efficiency of the device is improved.

The chassis 302 is used to mount all of the components described above.

In light of the foregoing description of the preferred embodiments according to the present application, it is to be understood that various changes and modifications may be made without departing from the spirit and scope of the invention. The technical scope of the present application is not limited to the contents of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a sample diluting device of even function is shaken in area which characterized in that includes:

a dilution assembly (100), a shake-up assembly (200) and a cleaning assembly (300);

the dilution assembly (100) comprises a rotary driving member for dilution, a dilution cup fixing frame (123) which is provided with an internal accommodating space and can rotate along a vertical plane under the driving of the rotary driving member (131) for dilution, a dilution cup (124) arranged in the accommodating space, wherein the dilution cup (124) is arranged on the dilution cup fixing frame (123) in a flexible fixing mode, the dilution cup fixing frame (123) can reach a dilution position and a cleaning position under the driving of the rotary driving member (131), and the rotary driving member for dilution is a motor;

the shaking assembly (200) comprises a shaking driving part (201), a disturbance rod (204) extending into the accommodating space from a virtual rotating shaft of the dilution cup fixing frame (123), wherein the shaking driving part (201) can drive the disturbance rod (204) to move axially or swing in the plane direction, and disturbs the bottom of the dilution cup (124) to enable the dilution cup (124) to shake;

the cleaning assembly (300) comprises a lifting driving piece (301), and a cleaning needle (305) driven by the lifting driving piece (301) to move, wherein the cleaning needle (305) can extend into the dilution cup (124) at a cleaning position under the driving of the lifting driving piece (301).

2. The sample dilution apparatus with shake-up function according to claim 1, wherein the dilution cups (124) are two in number, and the two dilution cups are disposed to face each other.

3. The sample dilution apparatus with shake-up function according to claim 1, wherein the dilution cup holder (123) is provided in a dilution chamber (111), the top and bottom of the dilution chamber (111) are each provided with an opening, and the shake-up assembly (200) is provided on the dilution chamber (111).

4. The sample diluting device with the shake-up function according to claim 3, wherein a washing solution containing cavity (113) is provided at the bottom of the diluting chamber (111), a sealing assembly (306) is provided at an opening at the bottom of the washing solution containing cavity (113), and the washing needle (305) can penetrate through the sealing assembly (306) and the washing solution containing cavity (113) to extend into the diluting cup (124).

5. The sample dilution apparatus with shake-up function according to claim 1, wherein the top of the dilution cup (124) has a flexible flange (125), and the dilution cup (124) is fixed to the dilution cup holder (123) by the flange (125).

6. The sample diluting device with the shaking up function as recited in claim 1, wherein the disturbance rod (204) is provided with a poking block (205) at the end, the bottom of the diluting cup (124) is provided with a receiving groove for receiving the poking block (205), and the poking block (205) can drive the diluting cup (124) to move or swing when moving.

7. The sample dilution apparatus with shake-up function according to claim 1, wherein the lifting drive member (301) drives a catheter holder (304) to move through a vertically arranged linear slider-slide mechanism (303), and the cleaning needle (305) is fixed on the catheter holder (304).

8. The sample dilution apparatus with shake-up function according to any one of claims 1 to 7, wherein the rotary drive member (131) includes a rotary motor, a pulley (121) connected to a rotary shaft of the dilution cup holder (123), and the rotary motor is connected to the pulley (121) through a timing belt (132).

9. The sample dilution apparatus with a shake-up function according to claim 3, wherein the dilution chamber (111) is provided with a window (112).

10. The sample dilution apparatus with shake-up function according to any one of claims 1 to 7, wherein the shake-up drive (201) is connected to the disturbance rod (204) through a cam mechanism (203).