Automatic sample injector for detecting alcohols in blood and urine

Abstract

The utility model discloses an automatic sampler for detecting alcohol in blood and urine, which relates to the technical field of clinical detection and comprises a base, a mounting frame is fixedly mounted on one side of the base, an electric control lifting component and two groups of positioning frames are respectively and fixedly mounted on one side of the mounting frame, and one ends of the two groups of positioning frames are fixedly connected with a limiting cylinder. Limiting rods are in threaded connection with the interiors of the limiting cylinders, a measuring tube is arranged between the two sets of positioning frames, positioning cylinders are fixedly installed on the two sides of the measuring tube respectively, and one end of each limiting rod is movably clamped into the corresponding positioning cylinder. According to the measuring tube cleaning device, by rotating the two limiting rods, one ends of the limiting rods slide out of the positioning cylinder, limiting of the positioning rods to the measuring tube is relieved, the measuring tube is placed in the ultrasonic cleaning machine to be cleaned, bloodstain in the measuring tube is fully removed, the bloodstain in the measuring tube is prevented from polluting follow-up experimental samples, and it is ensured that the detection result is accurate and errorless.

Description

TECHNICAL FIELD

[0001] The utility model relates to clinical detection technical field especially, relates to a blood urine alcohol detection automatic sample injector. BACKGROUND

[0002] Blood urine alcohol detection automatic sample injector is the automatic equipment for alcohol substance detection in blood and urine sample, and it can automatically complete a series of operations such as accurate sample suction, quantitative transfer and standard sample injection, has the advantages of operation process standardization, high result repeatability, low cross-contamination rate, high detection efficiency, can greatly reduce manual operation error, provides reliable automatic sample pretreatment support for scientific, accurate detection of alcohol substances in blood and urine.

[0003] But blood viscosity is high and is easy to adhere to the inner wall of pipeline, leads to the blood pollution on the inner wall of pipeline by the way of soaking not being removed fully, thereby leading to the blood pollution of residual blood pollution on the wall in subsequent detection test to subsequent experimental sample, the accuracy of detection result is significantly interfered. UTILITY MODEL CONTENT

[0004] The utility model discloses a blood urine alcohol detection automatic sample injector, which can fully remove the blood pollution on the inner wall of the pipeline by the way of soaking, thereby preventing the blood pollution of residual blood pollution on the wall in subsequent detection test to subsequent experimental sample, and improving the accuracy of detection result.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a blood urine alcohol detection automatic sample injector, comprising a base, a mounting rack is fixedly installed on one side of the base, an electric control lifting assembly and two groups of positioning racks are fixedly installed on one side of the mounting rack respectively, a limit cylinder is fixedly connected to one end of the two groups of positioning racks, a limit rod is screw-connected in the limit cylinder, a burette is arranged between the two groups of positioning racks, positioning cylinders are fixedly installed on the two sides of the burette, one end of the limit rod is movably clamped in the positioning cylinder, a piston rod is fixedly connected to the driving end of the electric control lifting assembly, and one end of the piston rod is arranged in the burette.

[0006] Preferably, the electric control lifting assembly comprises a driving motor, a lead screw, a driving block, a mounting side plate and a guide assembly, the driving end of the driving motor is in transmission connection with one end of the lead screw, the lead screw is screw-connected in the driving block, one side of the driving block is fixedly connected with one side of the mounting side plate, and one end of the piston rod is fixedly installed on one side of the mounting side plate.

[0007] Preferably, the guide assembly comprises a guide rod and a guide cylinder, the guide rod is fixedly connected to one side of the mounting rack, the guide rod is movably penetrated in the guide cylinder, and the guide cylinder is fixedly installed on one side of the mounting side plate.

[0008] Preferably, the piston rod comprises a driving rod and a piston sleeve, and the piston sleeve is movably sleeved on one end of the driving rod.

[0009] Preferably, one end of the measuring tube is fixedly connected with the liquid guide pipe.

[0010] Preferably, a liquid inlet is arranged at the center of the liquid guide pipe, and the liquid inlet is internally screwed with the sealing plug.

[0011] Preferably, a plurality of liquid outlet guide pipes are arranged in an annular arrangement outside the liquid inlet, one end of the plurality of liquid outlet guide pipes is fixedly connected with one side of the liquid guide pipe, and the other end of the liquid outlet guide pipe is fixedly connected with the detection reaction tube.

[0012] Compared with the prior art, the blood urine alcohol detection automatic sampler has the advantages and positive effects that:

[0013] 1. In the blood urine alcohol detection automatic sampler, the two limiting rods are rotated, one end of each limiting rod is slid out of the inside of the positioning cylinder, the positioning of the measuring tube by the limiting rods is released, the measuring tube is placed in the inside of the ultrasonic cleaning machine for cleaning, blood dirt in the inside of the measuring tube is fully removed, blood dirt in the inside of the measuring tube is prevented from polluting subsequent experimental samples, and the accuracy of the detection result is ensured.

[0014] 2. In the blood urine alcohol detection automatic sampler, the piston rod is driven to rise by the electric control lifting assembly, the blood in the inside of the measuring tube is pressurized, the blood in the inside of the measuring tube is pressed into the inside of the detection reaction tube through the liquid outlet guide pipe, the automatic feeding operation of the blood sample is completed, the screw rod transmission has high precision and stability, the lifting stroke of the driving block can be accurately controlled, the pressurization degree of the piston rod to the blood in the measuring tube and the liquid feeding amount are accurately controlled, and the volume consistency of each sample feeding is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of the blood urine alcohol detection automatic sampler is provided for the utility model;

[0016] Figure 2 A connection relationship schematic diagram between the positioning frame and the measuring tube in the blood urine alcohol detection automatic sampler is provided for the utility model;

[0017] Figure 3 A three-dimensional structure schematic diagram of the measuring tube in the blood urine alcohol detection automatic sampler is provided for the utility model;

[0018] Figure 4 A three-dimensional structure schematic diagram of the electric control lifting assembly in the blood urine alcohol detection automatic sampler is provided for the utility model.

[0019] Legend: 1. Base; 11. Mounting bracket; 2. Electrically controlled lifting assembly; 21. Drive motor; 22. Lead screw; 23. Drive block; 24. Mounting side plate; 25. Guide assembly; 251. Guide rod; 252. Guide cylinder; 3. Positioning frame; 31. Limiting cylinder; 32. Limiting rod; 4. Measuring tube; 41. Positioning cylinder; 5. Piston rod; 51. Drive rod; 52. Piston sleeve; 6. Liquid guide tube; 61. Liquid inlet; 62. Sealing plug; 63. Liquid outlet tube. Detailed Implementation

[0020] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0021] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0022] Example 1: As Figures 1-4 As shown, this utility model provides an automatic sampler for blood and urine alcohol detection, including a base 1. A mounting frame 11 is fixedly installed on one side of the base 1. An electrically controlled lifting assembly 2 and two sets of positioning frames 3 are fixedly installed on one side of the mounting frame 11. A limiting cylinder 31 is fixedly connected to one end of the two sets of positioning frames 3. A limiting rod 32 is threadedly connected inside the limiting cylinder 31. A measuring tube 4 is provided between the two sets of positioning frames 3. Positioning cylinders 41 are fixedly installed on both sides of the measuring tube 4. One end of the limiting rod 32 is movably engaged inside the positioning cylinder 41.

[0023] The specific settings and functions of this embodiment are described below. When the measuring tube 4 needs to be disassembled and cleaned, first rotate the two limiting rods 32 so that one end of them slides out from the inside of the positioning cylinder 41, thereby releasing the limiting rods 32 from limiting the measuring tube 4. Then, place the measuring tube 4 inside the ultrasonic cleaner for cleaning to fully remove the blood and dirt inside the measuring tube 4, preventing the blood and dirt inside the measuring tube 4 from contaminating subsequent experimental samples and ensuring accurate test results.

[0024] Example 2: Figure 1 and Figure 2As shown, the blood urine alcohol detection automatic sampler in the utility model, including base 1, one side of base 1 is fixedly installed with mounting bracket 11, one side of mounting bracket 11 is fixedly installed with electric control lifting assembly 2 and two sets of positioning frame 3 respectively, one end of two sets of positioning frame 3 is fixedly connected with limit cylinder 31, the inside screw thread connection of limit cylinder 31 has limit rod 32, the both sides of burette 4 are fixedly installed with positioning cylinder 41 between two sets of positioning frame 3, one end of limit rod 32 is movably connected in the inside of positioning cylinder 41, the drive end of electric control lifting assembly 2 is fixedly connected with piston rod 5, one end of piston rod 5 is arranged in the inside of burette 4, piston rod 5 includes drive rod 51 and piston sleeve 52, piston sleeve 52 movably juts in one end of drive rod 51, one end of burette 4 is fixedly communicated with liquid guide pipe 6, the center of liquid guide pipe 6 is provided with inlet 61, the inside screw thread connection of inlet 61 is in sealing plug 62, the outside of inlet 61 is provided with a plurality of liquid outlet ducts 63 in the form of annular arrangement, one end of a plurality of liquid outlet ducts 63 is fixedly communicated in one side of liquid guide pipe 6, the other end of liquid outlet duct 63 is fixedly communicated with detection reaction tube, the drive end of electric control lifting assembly 2 is fixedly connected with piston rod 5, one end of piston rod 5 is arranged in the inside of burette 4, electric control lifting assembly 2 includes drive motor 21, screw rod 22, drive block 23, installation side plate 24 and guide assembly 25, the drive end of drive motor 21 is transmissionally connected with one end of screw rod 22, screw rod 22 is screw-connected in the inside of drive block 23, one side of drive block 23 is fixedly connected with one side of installation side plate 24, one end of piston rod 5 is fixedly installed in one side of installation side plate 24, guide assembly 25 includes guide rod 251 and guide cylinder 252, guide rod 251 is fixedly connected in one side of mounting bracket 11, guide rod 251 movably penetrates in the inside of guide cylinder 252, guide cylinder 252 is fixedly installed in one side of installation side plate 24.

[0025] The effect reached by the whole embodiment is that when blood automatic sampling detection is carried out, first, the blood is guided into the inside of burette 4 through inlet 61, then sealing plug 62 is rotated and fixed in the inside of inlet 61, drive motor 21 drives screw rod 22 to rotate, screw rod 22 drives drive block 23 to lift, drive block 23 drives installation side plate 24 and piston rod 5 to lift, the blood in the inside of burette 4 is pressurized, the blood in the inside of burette 4 is guided into the inside of detection reaction tube through liquid outlet duct 63 under the action of pressure, the automatic feeding operation of blood sample is completed, screw rod 22 transmission has higher precision and stability, can accurately control the lifting stroke of drive block 23, thereby accurately controlling the pressurization degree and liquid feeding amount of piston rod 5 to the blood in burette 4, ensuring the volume consistency of each sample.

[0026] The use method and working principle of the device are:

[0027] When it is necessary to disassemble and clean the measuring tube 4, the two limiting rods 32 are rotated first, and one end thereof is slid out from the inside of the positioning cylinder 41, the limiting of the measuring tube 4 by the limiting rods 32 is released, the measuring tube 4 is placed in the inside of an ultrasonic cleaning machine to clean, and blood dirt in the inside of the measuring tube 4 is removed sufficiently;

[0028] When the automatic blood sampling detection is carried out, the blood is introduced into the inside of the measuring tube 4 through the liquid inlet 61 first, then the sealing plug 62 is rotated and fixed in the inside of the liquid inlet 61, the driving motor 21 drives the screw rod 22 to rotate, the screw rod 22 drives the driving block 23 to lift, the driving block 23 drives the installation side plate 24 and the piston rod 5 to lift, the blood in the inside of the measuring tube 4 is pressurized, the blood in the inside of the measuring tube 4 is pressed to enter the inside of the detection reaction tube through the liquid outlet conduit 63, and the automatic feeding operation of the blood sample is completed.

[0029] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made according to the technical essence of the present application to the above embodiments without departing from the technical scheme of the present application shall still fall within the protection scope of the present application.

Claims

1. An automated sampler for blood and urine alcohol detection, comprising a base (1), characterized in that: A mounting bracket (11) is fixedly installed on one side of the base (1). An electric lifting assembly (2) and two sets of positioning brackets (3) are fixedly installed on one side of the mounting bracket (11). A limiting cylinder (31) is fixedly connected to one end of the two sets of positioning brackets (3). A limiting rod (32) is threaded inside the limiting cylinder (31). A measuring tube (4) is provided between the two sets of positioning brackets (3). A positioning cylinder (41) is fixedly installed on both sides of the measuring tube (4). One end of the limiting rod (32) is movably engaged inside the positioning cylinder (41). A piston rod (5) is fixedly connected to the drive end of the electric lifting assembly (2). One end of the piston rod (5) is located inside the measuring tube (4).

2. The automatic sampler for blood and urine alcohol detection according to claim 1, characterized in that: The electric lifting assembly (2) includes a drive motor (21), a lead screw (22), a drive block (23), a mounting side plate (24), and a guide assembly (25). The drive end of the drive motor (21) is connected to one end of the lead screw (22). The lead screw (22) is threaded inside the drive block (23). One side of the drive block (23) is fixedly connected to one side of the mounting side plate (24). One end of the piston rod (5) is fixedly mounted on one side of the mounting side plate (24).

3. The automatic sampler for blood and urine alcohol detection according to claim 2, characterized in that: The guide assembly (25) includes a guide rod (251) and a guide cylinder (252). The guide rod (251) is fixedly connected to one side of the mounting bracket (11), and the guide rod (251) moves through the interior of the guide cylinder (252). The guide cylinder (252) is fixedly installed on one side of the mounting side plate (24).

4. The automatic sampler for blood and urine alcohol detection according to claim 1, characterized in that: The piston rod (5) includes a drive rod (51) and a piston sleeve (52), with the piston sleeve (52) movably sleeved on one end of the drive rod (51).

5. The automatic sampler for blood and urine alcohol detection according to claim 1, characterized in that: One end of the measuring tube (4) is fixedly connected to a liquid guide tube (6).

6. The automatic sampler for blood and urine alcohol detection according to claim 1, characterized in that: The liquid inlet (61) is provided at the center of the liquid guide tube (6), and the internal thread of the liquid inlet (61) is connected to the sealing plug (62).

7. The automatic sampler for blood and urine alcohol detection according to claim 6, characterized in that: A number of outlet conduits (63) are arranged in a ring on the outside of the inlet (61). One end of each outlet conduit (63) is fixedly connected to one side of the liquid guide tube (6), and the other end of the outlet conduit (63) is fixedly connected to the detection reaction tube.

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