CN216498935U

CN216498935U - Blending device for biochemical analyzer

Info

Publication number: CN216498935U
Application number: CN202122608197.5U
Authority: CN
Inventors: 陈富文; 王月茂; 苗佐栋; 朱运涛
Original assignee: Hebei Hualan Medical Equipment Co ltd
Current assignee: Hebei Hualan Medical Equipment Co ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-05-13
Anticipated expiration: 2031-10-28

Abstract

The utility model relates to a blending device for a biochemical analyzer, which comprises a rack, a pivot device arranged on the rack, a hole plate part rotationally arranged on the pivot device and a power device arranged on the rack and used for driving the hole plate part to shake; the utility model can realize the up-and-down swing of the orifice plate part by utilizing the power device, particularly, the eccentric wheel is driven by the power shaft to rotate and pushes the follow-up bearing, so that the orifice plate part swings around the pivot shaft, the effect of uniformly mixing the solution in the test tube hole is achieved, and the automation of uniformly mixing in the test tube agglutination method is realized.

Description

Blending device for biochemical analyzer

Technical Field

The utility model relates to a blending device for a biochemical analyzer.

Background

Brucellosis is one of the most prevalent and most harmful zoonosis in the world at present. Clinically, the tube agglutination method is used as a retest for brucellosis. In tube agglutination, it is required to mix the reagent and the sample.

At present, because the test tube agglutination method has more operation steps, needs to mix uniformly for many times in the process, is easy to be confused and omitted by manual operation, and has no automatic medical equipment for detecting the brucella by adopting the test tube agglutination method.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a blending device for a biochemical analyzer, which can automatically realize blending in a test tube agglutination method.

The technical scheme adopted by the utility model is as follows:

a blending device for a biochemical analyzer comprises a rack, a pivot device arranged on the rack, a hole plate part rotationally arranged on the pivot device, and a power device arranged on the rack and used for driving the hole plate part to shake.

Furthermore, the pivot device comprises two vertical seats fixedly mounted on the frame, a pivot arranged between the two vertical seats and a vertical seat bearing sleeved on the pivot, and the perforated plate part is connected with an outer ring of the vertical seat bearing through a connecting piece.

Furthermore, be equipped with on the vertical seat be used for with pivot complex round hole, be equipped with the first breach rather than the vertical of intercommunication in the top of round hole, at the vertical direction of first breach threaded hole, fastening screw passes the threaded hole and holds the pivot tightly with first breach constriction.

Furthermore, shaft shoulders are respectively arranged at two ends of the pivot, one side of the vertical seat bearing is abutted against the corresponding shaft shoulder, and a short spacer bush is arranged between the other side of the vertical seat bearing and the vertical seat.

Furthermore, the orifice plate part comprises a base plate, a test tube hole arranged on the top surface of the base plate, a pivot connecting plate arranged on the bottom surface of the base plate and a bearing connecting plate, wherein a follow-up bearing is arranged on the bearing connecting plate, the bearing connecting plate is connected with the pivot device, and the power device is matched with the follow-up bearing to push the follow-up bearing to reciprocate up and down.

Furthermore, the power device comprises a power shaft arranged on the rack, an eccentric wheel arranged on the power shaft and a motor in transmission connection with the power shaft.

Furthermore, a photoelectric disc is fixed on the power shaft, a photoelectric sensor is installed on the rack through a sensor support, and a U-shaped groove of the photoelectric sensor is inserted into one part of the photoelectric disc, so that the photoelectric sensor can detect when a second notch of the photoelectric disc rotates to the position of the U-shaped groove.

The utility model has the positive effects that: the utility model can realize the up-and-down swing of the orifice plate part by utilizing a power device, in particular to a method that a power shaft drives an eccentric wheel to rotate, and the eccentric wheel pushes a follow-up bearing, thereby leading the orifice plate part to swing around a pivot shaft, achieving the effect of uniformly mixing the solution in the test tube hole and realizing the automation of the uniform mixing in the test tube agglutination method.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an isometric view of the power plant of the present invention;

FIG. 3 is a cross-sectional view of the power unit of the present invention;

FIG. 4 is a cross-sectional view of a power shaft of the present invention;

FIG. 5 is an isometric view of the pivot assembly of the present invention;

FIG. 6 is a cross-sectional view of the pivot device of the present invention;

FIG. 7 is a schematic view of a stand according to the present invention;

FIG. 8 is an isometric view of a vent portion of the present invention;

FIG. 9 is a bottom schematic view of an orifice plate portion of the present invention;

FIG. 10 is a schematic view of the combination of the frame, the power device and the detecting portion of the present invention;

FIG. 11 is a schematic view of a photosensor according to the present invention;

fig. 12 is a schematic view showing the swing limit position of the orifice plate portion according to the present invention.

Detailed Description

As shown in figure 1, the utility model comprises a frame 1, a pivot device 3 arranged on the frame 1, a hole plate part 4 rotatably arranged on the pivot device 3, and a power device 2 arranged on the frame 1 and used for driving the hole plate part 4 to shake, and a detection part 5 is arranged for detecting the rotation condition of the power device 2.

Referring to fig. 2, 3 and 4, the power device 2 includes a motor 201, a motor base 202, a base plate pillar 203, a driving gear 204, a

reduction gear

205, 2 disc base bearings 206, a bearing gland 207, a locking sleeve 208, a power shaft 209, a first spacer 210, a second spacer 211, a third spacer 212, an eccentric wheel 213 and a photoelectric disc 214. The motor 201 is fixed to the frame 1 by fasteners through the seat plate support 203. The power shaft 209 has a thick middle part and thin ends, wherein a first key groove 2091 is arranged on the shaft surface of one end, a threaded hole 2092 is arranged on the end surface of the other end, and a second key groove 2093 is arranged in the middle part. The end face of the disc seat bearing is close to the power shaft shoulder, as shown in the figure, the disc seat bearing on the left side is fixed on the bearing through a threaded hole by a bearing gland 207 through a fastener, and the disc seat bearing on the right side is pressed by a locking sleeve 208. The eccentric wheel 213 is fixed at the middle part of the power shaft through a flat key, the photoelectric disc 215 is fixed on the power shaft 209 through a fastening screw, a second gap 2141 is arranged on the disc surface of the photoelectric disc 214 and used for detection of a photoelectric sensor, a first spacer 210 is arranged between the photoelectric disc 214 and the disc seat bearing 206, a second spacer 211 is arranged between the photoelectric disc 214 and the eccentric wheel 213, and a third spacer 212 is arranged between the eccentric wheel and the other disc seat bearing to prevent axial movement of all parts. The reduction gear 205 is fixed to the shaft end by a flat key. The motor 201 drives the driving gear 204 to rotate, the driving gear 204 is meshed with the reduction gear 205, and the reduction gear 205 drives the power shaft 209 to rotate.

As shown in fig. 5, 6 and 7, the pivot device 3 includes a

pivot

301, 2

vertical seats

302, 2

vertical seat bearings

303 and 2 short spacers 304. The 2 standing seats 302 are fixed on the machine frame 1 through fasteners. The middle of the pivot 301 is thick, and the two ends are thin, and the side surface of the vertical seat bearing is propped against the shaft shoulder. A first notch 3021 is arranged above the vertical seat 302, a threaded hole 3022 is formed in the vertical direction of the first notch, the first notch 3021 is connected with the round hole 3023, the thin end of the pivot 301 penetrates through the round hole 3023, a fastening screw penetrates through the threaded hole 3022, and under the action of fastening force, the first notch 3021 is narrowed to tightly hold the pivot 301 to prevent the pivot 301 from rotating. The short spacer 304 is disposed between the end surface of the vertical seat bearing and the vertical seat 302 to prevent axial play of the bearing. The vertical seat bearing 303 is connected to the pivot connection plate 402 of the aperture plate portion 4 by fasteners.

As shown in fig. 8 and 9, the well plate portion 4 includes a test tube hole 401, a pivot coupling plate 402, a follower bearing 403, and a bearing coupling plate 404. The test tube hole 401 is arranged on the substrate and used for storing reagent and sample solution, and the depth of the test tube hole 401 ensures that the solution cannot overflow when being mixed uniformly. The pivot link plate 402 is located at the middle of the bottom surface of the orifice plate portion, and the bearing link plate 404 is located at one end of the long side of the orifice plate portion and at the middle of the short side. The follower bearing 403 is fixed to the bearing attachment plate 404 by a fastener, and the follower bearing 403 is in contact with the eccentric wheel 213 and moves in accordance with the movement of the eccentric wheel 213.

As shown in fig. 10, 11 and 12, the detecting portion 5 includes a sensor holder 501, a photo sensor 502, the sensor holder 501 is fixed to the frame 1 by a fastener, the photo sensor 502 is fixed to the sensor holder 501 by a fastener, a U-shaped groove 5021 of the photo sensor 502 is inserted into a portion of the optical disc 214, so that the photo sensor 502 can detect when the second notch 2141 of the optical disc is rotated to a position of the U-shaped groove 5021.

According to the utility model, the motor 201 drives the driving gear 204, the driving gear 204 drives the reduction gear 205, the reduction gear 205 drives the power shaft 209, the power shaft 209 drives the eccentric wheel 213, and the eccentric wheel 213 drives the follow-up bearing 403 to move up and down, so that the whole pore plate part 4 is driven to swing around the pivot 301, the purpose of uniformly mixing the solution in the test tube hole 401 is achieved, and meanwhile, the pore plate part 4 can be stopped in a horizontal state by monitoring of the photoelectric sensor 502.

The utility model can also be applied to other detection instruments such as a biochemical analyzer and the like.

Claims

1. A blending device for a biochemical analyzer is characterized by comprising a rack (1), a pivot device (3) arranged on the rack (1), a hole plate part (4) rotatably arranged on the pivot device (3) and a power device (2) which is arranged on the rack (1) and used for driving the hole plate part (4) to shake;

the pivot device (3) comprises two vertical seats (302) fixedly mounted on the rack (1), a pivot (301) arranged between the two vertical seats (302) and a vertical seat bearing (303) sleeved on the pivot (301), and the perforated plate part (4) is connected with the outer ring of the vertical seat bearing (303) through a connecting piece;

the power device (2) comprises a power shaft (209) arranged on the rack (1), an eccentric wheel (213) arranged on the power shaft (209) and a motor (201) in transmission connection with the power shaft (209).

2. The mixing device for the biochemical analyzer as claimed in claim 1, wherein a round hole (3023) for fitting with the pivot (301) is formed in the vertical base (302), a first vertical notch (3021) communicated with the round hole (3023) is formed above the round hole (3023), a threaded hole (3022) is formed in the first notch (3021) in the vertical direction, and a fastening screw penetrates through the threaded hole (3022) to narrow the first notch (3021) and tightly clasp the pivot (301).

3. The blending device for the biochemical analyzer according to claim 1, wherein two ends of the pivot (301) are respectively provided with a shaft shoulder, one side of the vertical seat bearing (303) abuts against the corresponding shaft shoulder, and a short spacer (304) is arranged between the other side of the vertical seat bearing (303) and the vertical seat (302).

4. The mixing device for the biochemical analyzer according to claim 1, wherein the perforated plate portion (4) comprises a substrate, a test tube hole (401) disposed on a top surface of the substrate, a pivot connection plate (402) disposed on a bottom surface of the substrate, and a bearing connection plate (404), wherein a follower bearing (403) is disposed on the bearing connection plate (404), the bearing connection plate (404) is connected with the pivot device (3), and the power device (2) and the follower bearing (403) cooperate to push the follower bearing to reciprocate up and down.

5. The mixing device for the biochemical analyzer according to claim 1, wherein the power shaft (209) is fixed with a photoelectric disc (214), the frame (1) is provided with a photoelectric sensor (502) through a sensor bracket (501), and a U-shaped groove (5021) of the photoelectric sensor (502) is inserted into a part of the photoelectric disc (214), so that the photoelectric sensor (502) can detect when the second notch (2141) of the photoelectric disc rotates to the position of the U-shaped groove (5021).