CN214210273U - Mixing mechanism and fluorescence immunoassay appearance - Google Patents

Abstract

The utility model discloses a mixing mechanism and fluorescence immunoassay appearance. The blending mechanism comprises a lifting component and a rotating component, wherein the lifting component comprises a mounting seat and a lifting driving piece arranged on the mounting seat; the rotating assembly comprises a connecting piece, a mixing motor and a rotating head used for compressing the mixing container, the connecting piece is connected to the output end of the lifting driving piece, the lifting driving piece can drive the connecting piece to lift, the mixing motor is installed on the connecting piece and the output shaft of the mixing motor is vertically arranged, the rotating head is connected to the output shaft of the mixing motor, and the mixing motor can drive the rotating head to drive the mixing container to rotate so as to mix the substances to be mixed in the mixing container. When the mixing container transported the mixing mechanism below, the lift driving piece drive connecting piece dropped and stops when the rotating head compressed tightly the mixing container, and mixing motor drive rotating head drove the mixing container rotatory to treat in the mixing container that the mixing thing carries out the mixing, realized automatic mixing, and it is little to the space demand around the rotatory mixing of vertical axis with the mixing test tube.

Description

Mixing mechanism and fluorescence immunoassay appearance

Technical Field

The utility model relates to a medical treatment check out test set technical field especially relates to a mixing mechanism and fluorescence immunoassay appearance.

Background

With the continuous progress of the medical level of society, in recent years, fluorescence immunoassay analyzers have come to be widely used in various large and medium hospitals, and provide essential information basis for the clinical diagnosis, treatment and prevention of diseases and the evaluation of health status. The fluorescence immunoassay analyzer of the current mainstream mostly adopts manual mixing or adopts a mechanism to turn over and mix the test tube, but the manual mixing is not automatic enough, and the turning over and mixing is big in space requirement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mixing mechanism, this mixing mechanism have automatic mixing and to the little characteristics of space demand.

Another objective of the present invention is to provide a fluorescence immunoassay analyzer including the above mixing mechanism.

To achieve the purpose, on one hand, the utility model adopts the following technical scheme:

a blending mechanism comprises a lifting assembly and a rotating assembly, wherein the lifting assembly comprises a mounting seat and a lifting driving piece, and the lifting driving piece is mounted on the mounting seat; the rotary component comprises a connecting piece, a mixing motor and a rotating head used for compressing a mixing container, the connecting piece is connected with the output end of the lifting driving piece, the lifting driving piece can drive the connecting piece to lift, the mixing motor is installed on the connecting piece and the output shaft of the mixing motor is vertically arranged, the rotating head is connected to the output shaft of the mixing motor, the mixing motor can drive the rotating head to drive the mixing container to rotate, so that the mixing of the materials to be mixed in the mixing container is realized.

In some embodiments, the rotating assembly further comprises a guide shaft, a mounting plate, an elastic member, a first detecting member and a first detected member, wherein the guide shaft is liftably arranged in the connecting member in a penetrating manner; the mounting plate is connected to the lower end of the guide shaft, the blending motor is mounted on the mounting plate, and the elastic part is arranged between the mounting plate and the connecting part; first detection piece with first one of them is connected by detection piece both the output of lift driving piece, another one is connected the upper end of guiding axle is located the top of connecting piece, first detection piece respectively with mixing motor with lift driving piece communication connection.

In some embodiments, the first detecting element is a first optical coupler, the first optical coupler includes a light emitter and a light receiver, which are disposed opposite to each other, and the first detected element is a first blocking piece, and the first blocking piece can enter between the light emitter and the light receiver of the first optical coupler.

In some embodiments, the number of the guide shafts is two, a containing groove is formed in one surface of the mounting plate facing the connecting piece, the blending motor is at least partially contained in the containing groove, an output shaft of the blending motor penetrates through the bottom wall of the containing groove, and two sides of the containing groove are respectively connected with the lower ends of the two guide shafts.

In some embodiments, the lifting assembly further comprises a second detection member and a second detected member, one of the second detection member and the second detected member is connected to the output end of the lifting driving member, the other one of the second detection member and the second detected member is arranged on the mounting seat at a position corresponding to the zero stroke position of the lifting driving member, and the second detection member is in communication connection with the lifting driving member.

In some embodiments, the second detecting element is a second optical coupler, the second optical coupler includes a light emitter and a light receiver, and the second detected element is a second blocking piece, and the second blocking piece can enter between the light emitter and the light receiver of the second optical coupler.

In some embodiments, the lifting driving member comprises a lifting motor, a lead screw and a lead screw nut, the lifting motor is mounted on the mounting seat, the lead screw is connected to an output shaft of the lifting motor and is vertically arranged, and the lifting motor can drive the lead screw to rotate; the screw rod nut is in threaded connection with the screw rod and can move along the axial direction of the screw rod along with the rotation of the screw rod, and the connecting piece is connected with the screw rod nut.

In some embodiments, the lifting assembly further includes a lifting slider and a lifting guide rail, the lifting guide rail is mounted on the mounting base and is vertically disposed, the lifting guide rail is slidably connected to the lifting slider, the lead screw penetrates through the lifting slider, and the lifting slider is fixedly connected to the lead screw nut.

In some embodiments, the rotating head comprises a cylindrical part and a circular table part integrally formed with the cylindrical part, and the cylindrical part is connected with an output shaft of the blending motor; the lower terminal surface of round platform portion has seted up and has compressed tightly the groove, compress tightly the notch bore in groove and increase progressively from top to bottom in proper order, just the maximum bore that compresses tightly the notch in groove is greater than the external diameter of mixing container.

On the other hand, the utility model adopts the following technical scheme:

a fluorescence immunoassay analyzer comprises a rack, an incubation mechanism, a sample introduction mechanism, a sample adding mechanism and a mixing mechanism, wherein a first mounting position for mounting a sample to be mixed uniformly and a second mounting position for mounting the mixed sample are arranged on the rack; the incubation mechanism is arranged on the frame and used for incubating a sample; the sample feeding mechanism is arranged on the rack and is used for conveying a sample to be mixed to the first arrangement position and conveying the mixed sample to the second arrangement position; the blending mechanism is arranged on the rack and is used for blending the sample to be blended positioned at the first mounting position; the sample adding mechanism is arranged on the rack and used for extracting and conveying the uniformly mixed sample positioned at the second mounting position to the incubation mechanism for incubation.

The utility model discloses a mixing mechanism has following beneficial effect at least: this mixing mechanism sets up the lift driving piece on the mount pad, the connecting piece that the lift driving piece can drive rotating assembly drives mixing motor and rotating head lift, the vertical setting of output shaft of mixing motor can drive the rotating head rotatory, thereby when the mixing container who treats the mixing thing is equipped with transports mixing mechanism below, lift driving piece drive connecting piece descends, the stop motion when the connecting piece descends to the rotating head and compresses tightly the mixing container, mixing motor drive rotating head drives the mixing container rotatory in order to treat the mixing thing to the mixing container and carry out the mixing, automatic mixing has been realized, and it is little to the space demand to wind the rotatory mixing of vertical axis with the mixing test tube.

The utility model discloses a fluorescence immunoassay appearance has following beneficial effect at least: the fluorescence immunoassay analyzer can realize automatic sample adding, automatic mixing, automatic sample feeding and automatic incubation by arranging the incubation mechanism, the sample feeding mechanism and the mixing mechanism on the same frame, and is beneficial to improving the analysis and detection efficiency; and because the mixing mechanism has the characteristic of small space requirement, the space occupied by the whole structure of the fluorescence immunoassay analyzer is reduced.

Drawings

Fig. 1 is a schematic structural diagram of a blending mechanism provided in an embodiment of the present invention;

fig. 2 is a cross-sectional view of a rotary head according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a fluorescence immunoassay analyzer according to an embodiment of the present invention.

The reference numbers illustrate:

100. a frame; 200. an incubation mechanism; 300. a sample introduction mechanism; 400. a blending mechanism; 411. a mounting seat; 412. a lifting motor; 413. a lead screw; 414. a lead screw nut; 415. a second detecting member; 416. a second detected member; 417. a lifting slide block; 418. a lifting guide rail; 421. a connecting member; 422. a mixing motor; 423. rotating the head; 424. a guide shaft; 425. mounting a plate; 426. an elastic member; 427. a first detecting member; 428. a first detected member; 500. a sample adding mechanism; 4111. a motor mounting plate; 4112. a guide rail mounting plate; 4231. a cylindrical portion; 4232. a circular table portion; 4233. and pressing the groove.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

The present embodiment provides a blending mechanism, as shown in fig. 1-2, the blending mechanism 400 includes a lifting assembly and a rotating assembly, the lifting assembly includes a mounting seat 411 and a lifting driving member, the lifting driving member is mounted on the mounting seat 411; rotating assembly includes connecting piece 421, mixing motor 422 and the rotating head 423 that is used for compressing tightly mixing container (for example, the test tube), connecting piece 421 is connected at the output of lift driving piece, lift driving piece can drive connecting piece 421 and go up and down, mixing motor 422 installs on connecting piece 421 and the vertical setting of its output shaft, rotating head 423 is connected on mixing motor 422's output shaft, mixing motor 422 can drive rotating head 423 and drive the mixing container rotatory to treat the mixing thing mixing in with the mixing container.

Above-mentioned mixing mechanism 400 sets up the lift driving piece on mount pad 411, the lift driving piece is configured to drive rotating assembly's connecting piece 421 and drives mixing motor 422 and rotating head 423 lift, the vertical setting of mixing motor 422's output shaft is configured to drive rotating head 423 rotatory, thereby when being equipped with the mixing container of treating the mixing thing and transporting mixing mechanism 400 below, lift driving piece drive connecting piece 421 descends, stop motion when connecting piece 421 descends to rotating head 423 and compresses tightly the mixing container, mixing motor 422 drive rotating head 423 drives the mixing container rotation and carries out the mixing with treating the mixing thing to the mixing container in, automatic mixing has been realized, and it is little to the space demand around the rotatory mixing of vertical axis with the mixing test tube.

In this embodiment, the lifting driving member includes a lifting motor 412, a lead screw 413 and a lead screw nut 414, the lifting motor 412 is installed on the installation base 411, the lead screw 413 is connected to an output shaft of the lifting motor 412 and is vertically arranged, and the lifting motor 412 can drive the lead screw 413 to rotate; the screw nut 414 is screwed on the screw 413 and can move along the axial direction of the screw 413 along with the rotation of the screw 413, and the connecting piece 421 is connected with the screw nut 414. Lifting motor 412, lead screw 413 and screw nut 414 are common equipment, and not only convenient easy, remove the precision height moreover, difficult wearing and tearing, lifting motor 412 two-way rotation can drive screw nut 414 and go up and down, and then drive the connecting piece 421 of being connected with screw nut 414 and install mixing motor 422 and rotating head 423 on connecting piece 421 and go up and down. Of course, in other embodiments, a linear motor, an air cylinder, a hydraulic cylinder or an electric push rod may be used as the lifting driving member, which is not limited by the present invention.

On the basis of the structure of the lifting driving member, the lifting assembly further comprises a lifting slide block 417 and a lifting guide rail 418, the lifting guide rail 418 is installed on the installation base 411 and is vertically arranged, the lifting guide rail 418 is connected with the lifting slide block 417 in a sliding manner, the lead screw 413 penetrates through the lifting slide block 417, and the lifting slide block 417 is fixedly connected with the lead screw nut 414. Specifically, the screw nut 414 is connected to the connecting member 421 of the rotating assembly through the lifting slide block 417, the lifting motor 412 can rotate in both directions to drive the lifting slide block 417 to lift through the screw nut 414, and further drive the connecting member 421 to lift, so as to ensure that the rotating assembly can lift together with the slide block, and the lifting slide block 417 can move along the lifting guide rail 418 to ensure that the lifting slide block 417 only moves in the vertical direction, thereby ensuring the movement accuracy and the stability during movement.

Specifically, in this embodiment, mount pad 411 includes motor mounting panel 4111 and guide rail mounting panel 4112, the vertical setting of guide rail mounting panel 4112, motor mounting panel 4111 level set up and with guide rail mounting panel 4112 fixed connection, lift motor 412 is installed on motor mounting panel 4111, and lift guide 418 is installed on guide rail mounting panel 4112.

Alternatively, the number of the lifting slider 417 may be set to one, two or more, and the provision of a plurality of lifting sliders 417 may further improve the motion stability and increase the connection strength of the lifting assembly and the rotating assembly. As shown in fig. 1, in this embodiment, a lifting slider 417 is disposed, a groove is disposed on the lifting slider 417, a portion of the connecting member 421 extends into the groove and is fixedly connected to two sidewalls of the groove, and the arrangement of the groove can reduce the occupied space of the connecting member 421, so that the overall structure is more compact.

In some embodiments, the lifting assembly further includes a second detecting element 415 and a second detected element 416, one of the second detecting element 415 and the second detected element 416 is connected to the output end of the lifting driving element, and the other is disposed on the mounting seat 411 and corresponds to the zero stroke position of the lifting driving element, the second detecting element 415 is in communication with the lifting driving element, and when the second detecting element 415 detects the second detected element 416, the lifting driving element is triggered to stop driving the connecting element 421 of the rotating assembly to lift. It will be appreciated that the second detecting member 415 and the second detecting member 416 form a lifting zero position detecting assembly, which provides a moving origin for the lifting of the rotating assembly, and prevents the rotating assembly from moving excessively when being lifted to cause a collision.

In this embodiment, the second detecting member 415 is mounted on the rail mounting plate 4112 of the mounting seat 411 corresponding to the zero stroke position of the lifting driving member, the second detected member 416 is connected to the output end of the lifting driving member, and the second detected member 416 can move up and down along with the output end of the lifting driving member. Of course, in other embodiments, the second detecting element 415 may be connected to the output end of the lifting driving element, and the second detecting element 416 may be disposed on the mounting seat 411 at a position corresponding to the zero stroke position of the lifting driving element.

In this embodiment, the second detecting element 415 is a second optical coupler, the second optical coupler includes a light emitter and a light receiver, and the second detected element 416 is a second blocking piece, and the second blocking piece can enter between the light emitter and the light receiver of the second optical coupler. Specifically, the second blocking piece is fixedly disposed at one side of the lifting slider 417, the second blocking piece is lifted along with the lifting slider 417, and when the lifting slider 417 is lifted to a position where the second blocking piece is blocked between the light emitter and the light receiver of the second optical coupler, the second optical coupler triggers the lifting driving piece to stop driving the lifting slider 417 to move. Of course, in other embodiments, an infrared correlation sensor or other sensors may be used as the second detecting element 415, which is not limited by the present invention.

In some embodiments, the rotating assembly further includes a guiding shaft 424, a mounting plate 425, an elastic member 426, a first detecting member 427, and a first detected member 428, wherein the guiding shaft 424 is liftably inserted into the connecting member 421; the mounting plate 425 is connected to the lower end of the guide shaft 424, the mixing motor 422 is mounted on the mounting plate 425, and the elastic member 426 is arranged between the mounting plate 425 and the connecting member 421; one of the first detecting member 427 and the first detected member 428 is connected to the output end of the lifting driving member, the other one is connected to the upper end of the guiding shaft 424 and located above the connecting member 421, and the first detecting member 427 is respectively connected to the blending motor 422 and the lifting driving member in communication.

Because the elastic member 426 is arranged between the mounting plate 425 and the connecting member 421, when the rotating head 423 contacts the blending container and then continuously descends, the elastic member 426 is compressed, and the elasticity of the elastic member 426 enables the rotating head 423 to float and press the blending container, so that the blending container can adapt to blending containers with different heights, and the downward pressure can be effectively controlled. It should be noted that the elastic member 426 is installed to ensure that the first detecting member 428 is not detected by the first detecting member 427 when the elastic member 426 is in a free state. The first detection element 427 and the first detected element 428 form a blending in-place detection assembly, whether the rotating head 423 descends to the place or not can be detected, when the rotating head 423 descends to the position where the elastic element 426 is compressed, the guide shaft 424 floats upwards, and when the guide shaft 424 floats upwards to the first detection element 427 and the first detected element 428 is detected, the first detection element 427 triggers the lifting driving element to stop driving the connecting element 421 to descend, so that blending containers with different heights can be adapted.

Optionally, the blending motor 422 may be a dc brushless motor or other types of motors as long as it can drive the rotating head 423 to rotate, preferably a dc brushless motor, which has a small volume, a light weight, a strong overload capacity, a good braking characteristic, and is easy to repair and maintain. In this embodiment, the elastic member 426 is a spring, and the spring is sleeved on the guiding shaft 424, and in other embodiments, the elastic member 426 may also be a sponge pad or a spring sheet.

In this embodiment, the first detecting member 427 is connected to the output end of the lifting driving member, the first detected member 428 is connected to the upper end of the guiding shaft 424 and located above the connecting member 421, the first detected member 428, the blending motor 422, the mounting plate 425 and the guiding shaft 424 are connected together to form a motor assembly, and the motor assembly can move up and down relative to the connecting member 421. Of course, in other embodiments, the first detecting member 428 may be connected to the output end of the lifting driving member, and the first detecting member 427 may be connected to the upper end of the guide shaft 424 and located above the connecting member 421.

In this embodiment, the first detecting element 427 is a first optical coupler, the first optical coupler includes a light emitter and a light receiver which are oppositely disposed, the first detected element 428 is a first blocking piece, the first blocking piece can enter between the light emitter and the light receiver of the first optical coupler, and when the elastic element 426 is installed, it should be ensured that the first blocking piece is not blocked between the light emitter and the light receiver of the first optical coupler when the elastic element 426 is in a free state. Of course, in other embodiments, an infrared correlation sensor or other sensors may be used as the first detecting element 427, which is not limited by the present invention.

In some embodiments, two guiding shafts 424 are provided, a receiving groove is provided on a surface of the mounting plate 425 facing the connecting member 421, the blending motor 422 is at least partially received in the receiving groove, an output shaft of the blending motor 422 passes through a bottom wall of the receiving groove, and two sides of the receiving groove are respectively connected to lower ends of the two guiding shafts 424. By arranging the two guide shafts 424, the motor assembly is more stable relative to up-and-down movement; the setting of storage tank makes mixing motor 422 not occupy the space of mounting panel 425 lower part, makes things convenient for the overall arrangement of device and the setting of rotating head 423. Specifically, a through hole through which the blending motor 422 can pass is formed in the connecting member 421, so as to prevent the blending motor 422 from interfering with the connecting member 421 when moving up and down.

As shown in fig. 2, in some embodiments, the swivel head 423 includes a cylindrical portion 4231 and a circular table portion 4232 integrally formed with the cylindrical portion 4231, the cylindrical portion 4231 is connected to an output shaft of the kneading motor 422; the lower end surface of the circular table portion 4232 is provided with a pressing groove 4233, the caliber of the notch of the pressing groove 4233 is gradually increased from top to bottom, and the maximum caliber of the notch of the pressing groove 4233 is larger than the outer diameter of the blending container. The purpose of the pressure groove 4233 is to allow the swivel head 423 to align the blending container when it is not in place. Optionally, the rotating head 423 may be made of plastic material to ensure sufficient friction force when contacting with the blending container; or a silica gel pad can be arranged on the wall of the pressing groove 4233, and the silica gel pad is contacted with the blending container to provide enough friction force.

Referring to fig. 1, the lifting assembly of the blending mechanism 400 shown in fig. 1 includes a mounting base 411, a lifting driving member, a lifting slider 417, a lifting guide rail 418, a second detecting member 415, and a second detected member 416, wherein the lifting driving member includes a lifting motor 412, a lead screw 413, and a lead screw nut 414; the rotating assembly includes a connecting member 421, a blending motor 422, a rotating head 423, a guiding shaft 424, a mounting plate 425, an elastic member 426, a first detecting member 427, and a first detected member 428, and the specific connection relationship between the components can refer to the foregoing contents, and will not be described herein again. The operation of the blending mechanism 400 shown in fig. 1 is as follows:

when the blending mechanism 400 receives a blending command, the lifting motor 412 starts to work, the driving screw 413 rotates to enable the screw nut 414 to move downwards, so that the lifting slider 417 descends along the lifting guide rail 418 to drive the rotating assembly to descend, when the rotating head 423 of the rotating assembly contacts a blending container, the lifting motor 412 continues to work, the rotating head 423 is stressed, the motor assembly composed of the blending motor 422, the mounting plate 425 and the guide shaft 424 integrally moves upwards and compresses the elastic element 426 until the first detecting element 427 detects the first detected element 428, the first detecting element 427 sends a signal to the control system, the control system controls the lifting motor 412 to pause and sends a signal to the blending motor 422, and the blending motor 422 drives the rotating head 423 to rotate, the rotating head 423 drives the blending container to rotate at a high speed, so that the object to be blended in the blending container achieves a blending effect. After the blending is completed, the lifting motor 412 receives a command from the control system to start to drive the lead screw 413 to rotate so as to enable the lead screw nut 414 to move upwards, so that the lifting slider 417 ascends along the lifting guide rail 418 to drive the rotating assembly to ascend, and in the ascending process, the motor assembly moves downwards under the action of the elastic restoring force of the compressed elastic member 426 until the first detected member 428 cannot be detected by the first detecting member 427, and at this time, the lifting motor 412 continues to work until the second detected member 416 is detected by the second detecting member 415, thereby completing a blending action.

The present embodiment further provides a fluorescence immunoassay analyzer, as shown in fig. 3, the fluorescence immunoassay analyzer includes a rack 100, an incubation mechanism 200, a sample introduction mechanism 300, a sample introduction mechanism 500, and the mixing mechanism 400, wherein the rack 100 is provided with a first positioning position for positioning a sample to be mixed uniformly and a second positioning position for positioning a mixed sample; the incubation mechanism 200 is mounted on the rack 100 for incubating the sample; the sample injection mechanism 300 is installed on the rack 100, and is used for conveying the sample to be mixed to the first installation position and conveying the mixed sample to the second installation position; the blending mechanism 400 is installed on the rack 100 and is used for blending the sample to be blended at the first installation position; the sample adding mechanism 500 is installed on the rack 100, and is used for extracting and conveying the mixed sample at the second installation position to the incubation mechanism 200 for incubation.

Wherein, the frame 100 provides the installation and supporting function of each mechanism, and the sample feeding assembly can be used for the user to exchange samples with the fluorescence immunoassay analyzer. Further, the fluorescence immunoassay analyzer further includes a housing and a touch display screen for human-computer interaction, the housing is covered on the rack 100 to provide a protection function, and the housing and the touch display screen are hidden in fig. 3 for convenience of display.

The working principle of the fluorescence immunoassay analyzer shown in fig. 3 is as follows: the user inserts incubation mechanism 200 with reagent card after the test item is selected at human-computer interface, mechanism 300 stretches out the machine outside this moment, the user puts into mechanism 300 with a plurality of samples that await measuring, mechanism 300 transports one of them sample to the first position of installing that is located mixing mechanism 400's rotating head 423 below, mechanism 400 accomplishes the mixing action after waiting to mix, mechanism 300 will have mixed the sample and transport to the second position of installing that is located mixing mechanism 500 below, mixing mechanism 500 will have mixed the sample and draw and transport and incubate in incubating the reagent card of mechanism 200, test the sample after the completion of incubation.

The fluorescence immunoassay analyzer provided by the embodiment can realize automatic sample adding, automatic mixing, automatic sample feeding and automatic incubation by arranging the incubation mechanism 200, the sample feeding mechanism 300, the sample feeding mechanism 500 and the mixing mechanism 400 on the same rack 100, and is beneficial to improving the analysis and detection efficiency; and because the mixing mechanism 400 has the characteristic of small space requirement, the space occupied by the whole structure of the fluorescence immunoassay analyzer is reduced.

It should be noted that when one portion is referred to as being "secured to" another portion, it may be directly on the other portion or there may be an intervening portion. When a portion is said to be "connected" to another portion, it may be directly connected to the other portion or intervening portions may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A blending mechanism, its characterized in that includes:

the lifting assembly comprises a mounting seat (411) and a lifting driving piece, and the lifting driving piece is mounted on the mounting seat (411); and

rotating assembly, rotating assembly includes connecting piece (421), mixing motor (422) and rotating head (423) that are used for compressing tightly the mixing container, connecting piece (421) are connected the output of lift driving piece, the lift driving piece can drive connecting piece (421) go up and down, mixing motor (422) are installed on connecting piece (421) and the vertical setting of its output shaft, rotating head (423) are connected on the output shaft of mixing motor (422), mixing motor (422) can drive rotating head (423) drives the mixing container is rotatory, with will treat the mixing thing mixing in the mixing container.

2. The blending mechanism of claim 1, wherein the rotating assembly further comprises:

the guide shaft (424), the said guide shaft (424) is set up in the said link (421) liftably;

the mounting plate (425), the mounting plate (425) is connected to the lower end of the guide shaft (424), and the blending motor (422) is mounted on the mounting plate (425);

an elastic member (426), the elastic member (426) being disposed between the mounting plate (425) and the connecting member (421);

the device comprises a first detection piece (427) and a first detected piece (428), one of the first detection piece (427) and the first detected piece (428) is connected to the output end of the lifting driving piece, the other one of the first detection piece (427) and the first detected piece (428) is connected to the upper end of the guide shaft (424) and located above the connecting piece (421), and the first detection piece (427) is respectively in communication connection with the blending motor (422) and the lifting driving piece.

3. The blending mechanism according to claim 2, wherein the first detecting element (427) is a first optical coupler, the first optical coupler comprises a light emitter and a light receiver which are oppositely arranged, and the first detected element (428) is a first blocking piece which can enter between the light emitter and the light receiver of the first optical coupler.

4. The blending mechanism according to claim 2, wherein the number of the guide shafts (424) is two, a containing groove is formed on one surface of the mounting plate (425) facing the connecting piece (421), the blending motor (422) is at least partially contained in the containing groove, an output shaft of the blending motor (422) penetrates through the bottom wall of the containing groove, and two sides of the containing groove are respectively connected with the lower ends of the two guide shafts (424).

5. The blending mechanism according to claim 1, wherein the lifting assembly further comprises a second detecting member (415) and a second detected member (416), one of the second detecting member (415) and the second detected member (416) is connected to the output end of the lifting driving member, the other one is arranged on the mounting seat (411) at a position corresponding to the zero stroke position of the lifting driving member, and the second detecting member (415) is in communication connection with the lifting driving member.

6. The blending mechanism according to claim 5, wherein the second detecting element (415) is a second optical coupler, the second optical coupler comprises a light emitter and a light receiver, and the second detected element (416) is a second blocking piece, and the second blocking piece can enter between the light emitter and the light receiver of the second optical coupler.

7. The blending mechanism according to claim 1, wherein the lifting driving member comprises a lifting motor (412), a lead screw (413) and a lead screw nut (414), the lifting motor (412) is mounted on the mounting base (411), the lead screw (413) is connected to an output shaft of the lifting motor (412) and is vertically arranged, and the lifting motor (412) can drive the lead screw (413) to rotate; the screw rod nut (414) is in threaded connection with the screw rod (413) and can move along the axial direction of the screw rod (413) along with the rotation of the screw rod (413), and the connecting piece (421) is connected with the screw rod nut (414).

8. The blending mechanism according to claim 7, wherein the lifting assembly further comprises a lifting slider (417) and a lifting guide rail (418), the lifting guide rail (418) is installed on the installation base (411) and is vertically arranged, the lifting guide rail (418) is slidably connected with the lifting slider (417), the lead screw (413) penetrates through the lifting slider (417), and the lifting slider (417) is fixedly connected with the lead screw nut (414).

9. The kneading mechanism according to any one of claims 1 to 8, characterized in that the rotor head (423) comprises a cylindrical portion (4231) and a circular boss portion (4232) integrally formed with the cylindrical portion (4231), the cylindrical portion (4231) being connected to an output shaft of the kneading motor (422); the lower terminal surface of round platform portion (4232) has seted up and has compressed tightly groove (4233), compress tightly the notch bore of groove (4233) and increase progressively from top to bottom in proper order, just the maximum bore of the notch that compresses tightly groove (4233) is greater than mixing container's external diameter.

10. A fluorescence immunoassay analyzer, comprising:

the device comprises a rack (100), wherein a first mounting position for mounting a sample to be mixed uniformly and a second mounting position for mounting the mixed sample are arranged on the rack (100);

an incubation mechanism (200), the incubation mechanism (200) being mounted on the frame (100) for incubating a sample;

the sample feeding mechanism (300) is installed on the rack (100) and is used for conveying the sample to be mixed to the first arrangement position and conveying the mixed sample to the second arrangement position;

the mixing mechanism according to any one of claims 1 to 9, mounted on the frame (100) for mixing the sample to be mixed at the first setting position; and

and the sample adding mechanism (500), wherein the sample adding mechanism (500) is installed on the rack (100) and used for extracting and conveying the uniformly mixed sample positioned at the second installation position to the incubation mechanism (200) for incubation.

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