Multifunctional dilution disc

Abstract

The utility model discloses a multifunctional dilution disc which comprises a dilution disc main body, a diluent component, a uniform mixing component and a pipe throwing component, the dilution disc main body comprises a bottom plate and a rotary disc which is arranged above the bottom plate and can rotate; a fixed plate is arranged above the turntable; the dilution disc main body comprises a plurality of working positions for completing different actions; in the rotating process of the turntable, the reaction containers are brought to different working positions; the number of the working positions is six, and the six working positions are sequentially a reaction container taking / placing position, a diluent adding position, a sample adding position, a reagent adding position, a uniform mixing position and a waste liquid pumping and pipe throwing position in the clockwise direction. A plurality of accommodating grooves for accommodating the reaction containers are formed in the turntable, and sheaths for supporting the reaction containers are mounted in the accommodating grooves; and a limiting plate for limiting the sheath is mounted above the turntable. According to the utility model, the dependence on resources such as a reagent needle, a gripper and a whole machine space is reduced, and meanwhile, the functions of sample dilution, uniform mixing of samples and reagents, waste liquid pumping and discarding of a waste reaction container and the like can be realized on the disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, and particularly to a kind of multifunctional dilution plate. BACKGROUND

[0002] The function of dilution plate on market is generally single, and the mixing of reagent and diluted sample may need to be transferred to other positions for implementation. For example, the invention application with application number 202210542465.4 discloses a sample adding plate device and a sample analyzer, wherein the sample adding plate device comprises: a first sample adding plate having at least one first cup supporting structure for supporting a reaction cup, the first sample adding plate being capable of rotating about an up-down extending rotation axis; a sample adding unit capable of sucking sample from a sample supply assembly through a sample adding needle and adding sample to the reaction cup located at a first sample liquid discharge position; a first mixing mechanism for shaking the reaction cup; a second sample adding plate having at least one second cup supporting structure for supporting a reaction cup, the second sample adding plate being capable of rotating about a rotation axis; a cup transferring mechanism; and a rotation driving assembly.

[0003] However, in the existing device, the actions of adding dilution liquid and discarding waste tube require the resources of reagent needle and gripper modules, which may affect the timing design when the resources of reagent needle and gripper are scarce or require additional modules to increase the cost. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model aims to provide a multifunctional dilution plate, which brings the reaction container to different working positions through the rotation of the turntable, and interacts with other components to achieve corresponding actions; reduces the dependence on reagent needle, gripper, and machine space resources, and simultaneously realizes sample dilution, sample and reagent mixing, and waste reaction container waste liquid extraction and discarding on the plate.

[0005] The utility model solves the technical problems by adopting the following technical scheme: a multifunctional dilution plate, the dilution plate mainly comprises a dilution plate main body, a dilution liquid assembly, a mixing assembly, and a tube discarding assembly; the dilution plate main body comprises a bottom plate and a turntable rotatable above the bottom plate; a fixed plate is arranged above the turntable; the dilution plate main body comprises a plurality of working positions for completing different actions; the turntable brings the reaction container to different working positions during rotation; the working positions include six positions in the clockwise direction: reaction container taking / placing position, dilution liquid adding position, sample adding position, reagent adding position, mixing position, and waste liquid extraction and tube discarding position; a plurality of accommodation grooves for accommodating reaction containers are arranged on the turntable, and a sheath for supporting the reaction containers is installed in the accommodation grooves; a limiting plate for limiting the sheath is installed above the turntable.

[0006] Further, the bottom of the sheath is provided with a through hole, and a buffer pad is installed in the through hole; the limiting plate is a circular ring, and the gap between the limiting plate and the upper edge of each sheath is 2-3mm.

[0007] Further, the fixed plate is arranged above the sample adding position, reagent adding position and mixing position; the fixed plate is provided with a sample adding hole and a reagent adding hole corresponding to the sample adding position and the reagent adding position respectively, and is provided with a splash-proof block corresponding to the mixing position.

[0008] Further, the rotating disc is driven to rotate by a rotating disc driving mechanism, the rotating disc driving mechanism comprises a rotating disc motor, a synchronous belt and a synchronous belt pulley, and the positioning accuracy and zero detection are ensured by a code disc, a zero block and a photoelectric coupler.

[0009] Further, the dilution liquid assembly is installed on the bottom plate, the dilution liquid assembly comprises a dilution bottom plate, a dilution motor arranged on the dilution bottom plate drives a dilution needle support plate to move linearly in the Z direction along a dilution linear guide rail through a synchronous belt pulley; a dilution needle suspension arm is installed on the dilution needle support plate, and a dilution needle is installed on the dilution needle suspension arm.

[0010] Further, the mixing assembly is installed below the bottom plate, the mixing assembly comprises a mixing bottom plate, a mixing driving motor arranged on the mixing bottom plate drives a mixing sleeve assembly to move linearly in the Z direction along a mixing linear guide rail through a synchronous belt pulley; the mixing sleeve assembly comprises a mixing sleeve, a mixing sleeve mounting seat and a mixing motor.

[0011] Further, the tube discarding assembly is arranged on one side of the dilution disc main body, the tube discarding assembly comprises a tube discarding Y bottom plate and a tube discarding Z bottom plate, a tube discarding Y assembly and a tube discarding Z assembly are arranged on the tube discarding Y bottom plate and the tube discarding Z bottom plate respectively; the tube discarding Y assembly comprises a tube discarding Y motor, a synchronous belt pulley and a tube discarding Y linear guide rail, the tube discarding Y motor drives the tube discarding Z assembly to move linearly in the Y direction along the tube discarding Y linear guide rail through the synchronous belt pulley; the tube discarding Z assembly comprises a tube discarding Z motor, a synchronous belt pulley and a tube discarding Z linear guide rail, the tube discarding Z motor drives a fork arm to move linearly in the Z direction along the tube discarding Z linear guide rail through the synchronous belt pulley; the fork arm is used for grabbing a reaction container.

[0012] Further, in the tube discarding assembly, a waste liquid needle suspension arm is fixed on the tube discarding Z bottom plate, a waste liquid needle is installed at the end of the waste liquid needle suspension arm, and the waste liquid needle moves linearly in the Y direction along the tube discarding Y linear guide rail with the waste liquid needle suspension arm; the fork arm grabs the reaction container through the linear motion in the Y direction and the Z direction, completes the waste liquid pumping action in cooperation with the waste liquid needle, and places the reaction container in a tube discarding channel to complete the tube discarding action.

[0013] The utility model discloses an advantageous effect is: compared with prior art, the utility model provides a kind of multifunctional dilution disc, by the rotation of carousel, reaction container is brought to different working position, and the corresponding action is realized by interacting with the rest each component;In addition to the functions of adding sample to original sample, adding reagent, mixing both, it can also realize the functions such as adding sample diluent to dilution project, mixing sample and sample diluent, transferring sample after dilution, mixing sample after dilution and reagent, taking out waste tube and discarding after pumping waste liquid etc.;Its structure is compact, reduces the dependence on reagent needle, grab hand, whole machine space and other resources, greatly reduces cost. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The utility model provides the dilution disc's three-dimensional structure schematic diagram.

[0015] Figure 2 The utility model provides the top view of dilution disc main part in dilution disc.

[0016] Figure 3 The utility model provides the bottom structure schematic diagram of dilution disc main part in dilution disc.

[0017] Figure 4 The utility model provides the structure schematic diagram of dilution liquid component in dilution disc.

[0018] Figure 5 The utility model provides the structure schematic diagram of mixing component in dilution disc.

[0019] Figure 6 The utility model provides the structure schematic diagram of pipe throwing component in dilution disc.

[0020] Figure 7 The utility model provides the flow chart schematic diagram of pipe throwing component pumping waste liquid pipe throwing action in dilution disc.

[0021] The components are as follows: 1-Dilution solution assembly; 101-Dilution base plate; 102-Dilution motor; 103-Dilution optocoupler; 104-Dilution linear guide rail; 105-Dilution needle cantilever; 106-Dilution needle; 107-Dilution needle support plate; 2-Dilution tray body; 201-Base plate; 202-Turntable; 203-Limiting plate; 204-Fixing plate; 205-Waste liquid discharge tube position; 206-Reaction vessel pick-up / placement position; 207-Dilution solution addition position; 208-Sample addition position; 209-Reagent addition position; 210-Mixing position; 211-Sample addition hole; 212-Reagent addition hole; 214-Splash protectant. 215-Sheath; 216-Zero position baffle; 217-Code disk; 218-Turntable motor; 219-Optical coupler; 3-Mixing assembly; 301-Mixing base plate; 303-Mixing sleeve; 304-Mixing sleeve mounting base; 305-Mixing motor; 306-Mixing linear guide; 4-Pipe dropping assembly; 401-Pipe dropping Y base plate; 402-Pipe dropping Y motor; 403-Pipe dropping Y linear guide; 404-Pipe dropping Z motor; 405-Fork arm; 406-Waste liquid needle; 407-Waste liquid needle cantilever; 408-Pipe dropping Z linear guide; 409-Pipe dropping Z base plate; 410-Pipe dropping channel. Detailed Implementation

[0022] The present invention will be further illustrated by specific embodiments below. However, these examples are only for illustrative purposes and are not intended to limit the scope of the present invention.

[0023] Example

[0024] like Figures 1-6 As shown, a multifunctional dilution tray mainly includes a dilution tray body 2, a diluent assembly 1, a mixing assembly 3, and a tube discarding assembly 4. The dilution tray body 2 includes a base plate 201 and a rotatable turntable 202 located above the base plate 201. A fixing plate 204 is provided above the turntable 202. The dilution tray body 2 includes several working positions for performing different actions. During rotation, the turntable 202 carries the reaction container to different working positions. The working positions include six, arranged clockwise as follows: reaction container pick-up / placement position 206, diluent addition position 207, sample addition position 208, reagent addition position 209, mixing position 210, and waste liquid extraction and tube discarding position 205. The turntable 202 is provided with several receiving slots for accommodating the reaction container, and a protective sleeve 215 for supporting the reaction container is installed in the receiving slot. A limiting plate 203 for limiting the protective sleeve 215 is installed above the turntable 202.

[0025] When the turntable 202 brings the reaction container to the dilution liquid adding position 207, the dilution liquid assembly 1 adds dilution liquid into the reaction container; when the turntable 202 brings the reaction container to the mixing position 210, the mixing assembly 3 realizes the mixing effect in the reaction container; when the turntable 202 brings the reaction container to the waste liquid extracting and tube throwing position 205, the tube throwing assembly 4 grabs the reaction container and completes the action of waste liquid extraction and tube throwing.

[0026] In the dilution disc body 2, the reaction container is usually a flow tube (but not limited to a flow tube) and cannot be directly placed on the turntable 202, so a sheath 215 for supporting the reaction container is installed in the accommodating groove of the turntable 202; the bottom of the sheath 215 is provided with a through hole, and a buffer pad is installed in the through hole; in the embodiment, the buffer pad is a silica gel pad; when the sample needle touches the bottom for sample adding, the silica gel pad can buffer and prevent the sample needle from being damaged by repeated impacts. In order to prevent the sheath 215 from tilting and falling out (especially during mixing), a limiting plate 203 for limiting the sheath 215 is installed above the turntable 202. In the embodiment, the limiting plate 203 is a circular ring, and the gap between the limiting plate 203 and the upper edge of each sheath 215 is 2-3 mm, so that the sheath 215 does not interfere with the limiting plate 203 when the turntable 202 rotates and the mixing assembly 3 oscillates to mix the reaction container. In the embodiment, the limiting plate 203 is a circular ring of sheet metal, and a large circular hole is formed in the middle position to expose the installation screws of the turntable 202, facilitating the disassembly, maintenance and assembly of subsequent modules.

[0027] The fixing plate 204 is arranged above the sample adding position 208, the reagent adding position 209 and the mixing position 210; the fixing plate 204 is provided with a sample adding hole 211 and a reagent adding hole 212 corresponding to the sample adding position 208 and the reagent adding position 209 respectively, and is provided with a liquid splashing prevention block 214 corresponding to the mixing position 210, so as to prevent liquid from splashing during mixing.

[0028] In the dilution disc body 2, the turntable 202 is driven to rotate by a turntable driving mechanism, the turntable driving mechanism includes a turntable motor 218, a synchronous belt and a synchronous belt pulley, and the positioning accuracy and zero position detection are ensured by a code disc 217, a zero position baffle 216 and a photoelectric coupler 219. The turntable 202 rotates to bring the reaction container to different working positions to complete various actions. The reaction container is placed in the accommodating groove of the turntable 202 through the sheath 215, and the turntable motor 218 drives the flow tube on the turntable 202 to rotate through the synchronous belt pulley; the driven shaft of the synchronous belt pulley is provided with the code disc 217 and the zero position baffle 216, and the positioning accuracy and zero position detection are ensured by the photoelectric coupler 219.

[0029] In the dilution assembly 1, a dilution bottom plate 101 is arranged, a dilution motor 102 arranged on the dilution bottom plate 101 drives a dilution needle support plate 107 to move linearly along a dilution linear guide 104 in the Z direction; during the movement, a dilution needle cantilever 105 arranged on the dilution needle support plate 107 drives a dilution needle 106 to move up and down, and a corresponding pump valve is used to add sample diluent at the bottom of a reaction container. The dilution needle 106 is installed on the dilution needle cantilever 105, and a buffer spring is arranged at the top of the dilution needle 106 to avoid damage to the dilution needle 106 when the dilution needle 106 touches the bottom.

[0030] In the mixing assembly 3, a mixing bottom plate 301 is arranged, a mixing drive motor arranged on the mixing bottom plate 301 drives a mixing sleeve assembly to move linearly along a mixing linear guide 306 in the Z direction through a synchronous belt wheel; the mixing sleeve assembly comprises a mixing sleeve 303, a mixing sleeve mounting seat 304 and a mixing motor 305. The stroke of the mixing sleeve 303 is calculated to be able to lift the reaction container sheath 215 upwards and not to interfere with the rotation of the rotating disc 202 downwards.

[0031] In the tube discarding assembly 4, a tube discarding Y bottom plate 401 and a tube discarding Z bottom plate 409 are arranged, and a tube discarding Y assembly and a tube discarding Z assembly are arranged on the tube discarding Y bottom plate 401 and the tube discarding Z bottom plate 409 respectively; the tube discarding Y assembly comprises a tube discarding Y motor 402, a synchronous belt wheel and a tube discarding Y linear guide 403, the tube discarding Y motor 402 drives the tube discarding Z assembly to move linearly along the tube discarding Y linear guide 403 in the Y direction through the synchronous belt wheel; the tube discarding Z assembly comprises a tube discarding Z motor 404, a synchronous belt wheel and a tube discarding Z linear guide 408, the tube discarding Z motor 404 drives a fork arm 405 to move linearly along the tube discarding Z linear guide 408 in the Z direction through the synchronous belt wheel; the fork arm 405 is used to grab a reaction container. In the tube discarding assembly 4, a waste liquid needle cantilever 407 is fixed on the tube discarding Z bottom plate 409, a waste liquid needle 406 is installed at the end of the waste liquid needle cantilever 407, and the waste liquid needle 406 moves linearly along the tube discarding Y linear guide 403 in the Y direction with the waste liquid needle cantilever 407; the fork arm 405 grabs the reaction container through the linear movement in the Y direction and the Z direction, cooperates with the waste liquid needle 406 to complete the waste liquid pumping action, and places the reaction container in a tube discarding channel 410 to complete the tube discarding action, as shown in Figure 7

[0032] The above embodiments are only used to illustrate the present application, and are not intended to limit the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, and all equivalent technical solutions also belong to the scope of the present application. The patent protection scope of the present application should be defined by the claims.​

Claims

1. A multi-functional dilution disc, characterized by: The dilution disc mainly comprises a dilution disc body, a dilution liquid assembly, a mixing assembly and a tube discarding assembly; the dilution disc body comprises a bottom plate and a rotating disc rotatably arranged above the bottom plate; a fixed plate is arranged above the rotating disc; the dilution disc body comprises a plurality of working positions for completing different actions; the rotating disc carries the reaction container to different working positions during rotation; the working positions comprise six positions in the clockwise direction, namely, a reaction container taking / dropping position, a dilution liquid adding position, a sample adding position, a reagent adding position, a mixing position and a waste liquid discarding position; a plurality of accommodating grooves for accommodating the reaction container are arranged on the rotating disc, and a sheath for supporting the reaction container is arranged in the accommodating groove; a limiting plate for limiting the sheath is arranged above the rotating disc.

2. The multi-functional dilution disc of claim 1, wherein: In the dilution disc body, a through hole is arranged at the bottom of the sheath, and a buffer pad is arranged in the through hole; the limiting plate is a circular ring, and the gap between the limiting plate and the upper edge of each sheath is 2-3 mm.

3. The multi-functional dilution disc of claim 1, wherein: In the dilution disc body, the fixed plate is arranged above the sample adding position, the reagent adding position and the mixing position; a sample adding hole and a reagent adding hole are respectively arranged on the fixed plate corresponding to the sample adding position and the reagent adding position; a splash-proof block is arranged on the fixed plate corresponding to the mixing position.

4. The multi-functional dilution disc of claim 1, wherein: In the dilution disc body, the rotating disc is driven to rotate by a rotating disc driving mechanism; the rotating disc driving mechanism comprises a rotating disc motor, a synchronous belt and a synchronous belt pulley; the positioning accuracy and zero detection are ensured by a code disc, a zero stop sheet and a photoelectric coupler.

5. The multi-functional dilution disc of claim 1, wherein: The dilution liquid assembly is arranged on the bottom plate; the dilution liquid assembly comprises a dilution bottom plate; a dilution motor arranged on the dilution bottom plate drives a dilution needle support plate to move linearly in the Z direction along a dilution linear guide rail through a synchronous belt pulley; a dilution needle cantilever is arranged on the dilution needle support plate; and a dilution needle is arranged on the dilution needle cantilever.

6. The multi-functional dilution disc of claim 1, wherein: The mixing assembly is arranged below the bottom plate; the mixing assembly comprises a mixing bottom plate; a mixing driving motor arranged on the mixing bottom plate drives a mixing sleeve assembly to move linearly in the Z direction along a mixing linear guide rail through a synchronous belt pulley; the mixing sleeve assembly comprises a mixing sleeve, a mixing sleeve mounting seat and a mixing motor.

7. The multi-functional dilution disc of claim 1, wherein: The tube discarding assembly is arranged on one side of the dilution disc body; the tube discarding assembly comprises a tube discarding Y bottom plate and a tube discarding Z bottom plate; a tube discarding Y assembly and a tube discarding Z assembly are respectively arranged on the tube discarding Y bottom plate and the tube discarding Z bottom plate; the tube discarding Y assembly comprises a tube discarding Y motor, a synchronous belt pulley and a tube discarding Y linear guide rail; the tube discarding Y motor drives the tube discarding Z assembly to move linearly in the Y direction along the tube discarding Y linear guide rail through the synchronous belt pulley; the tube discarding Z assembly comprises a tube discarding Z motor, a synchronous belt pulley and a tube discarding Z linear guide rail; the tube discarding Z motor drives a fork arm to move linearly in the Z direction along the tube discarding Z linear guide rail through the synchronous belt pulley; and the fork arm is used for grabbing the reaction container.

8. A multi-functional dilution disc as claimed in claim 7, wherein: In the tube-dropping assembly, a waste liquid needle cantilever is fixed on the tube-dropping Z base plate, and a waste liquid needle is installed at the end of the waste liquid needle cantilever, which makes Y-direction linear motion along the tube-dropping Y linear guide rail; the fork arm is grabbed through Y-direction and Z-direction linear motion, and the waste liquid needle is cooperated to complete the waste liquid pumping action, and the reaction container is placed in the tube-dropping channel to complete the tube-dropping action.

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