CN220650688U

CN220650688U - Microsampler for inspection

Info

Publication number: CN220650688U
Application number: CN202322219138.8U
Authority: CN
Inventors: 蔡世川; 任峰
Original assignee: Dalian Women And Children Medical Center Group
Current assignee: Dalian Women And Children Medical Center Group
Priority date: 2023-08-17
Filing date: 2023-08-17
Publication date: 2024-03-22
Anticipated expiration: 2033-08-17

Abstract

The utility model discloses a microsampler for inspection, relates to the technical field of microsamplers, and solves the problems that the conventional microsampler can only sample a single sample, and the sampling efficiency is low when the batch sampling of the samples is required. A microsampler for testing comprising: a cylinder; the cylinder body adopts a cylindrical structure with a hollow inside; the top of the cylinder body is fixedly provided with a fixing plate; the front side of the cylinder body is fixedly provided with a connecting plate, the connecting plate adopts a rectangular plate structure, and the upper side and the lower side of the connecting plate are provided with through type circular through groove structures; the circular through grooves of the connecting plates are internally provided with connecting screws, and the connecting screws are provided with two groups; the outer side of the connecting screw rod is provided with a nut in a threaded fit manner; the sampling efficiency of this device in the sampling process to big sample in batches has very big improvement, reduces the burden that operating personnel carries out the batch sampling, satisfies different service demands, very big improvement the practicality of this device.

Description

Microsampler for inspection

Technical Field

The utility model belongs to the technical field of microsamplers, and particularly relates to a microsampler for inspection.

Background

The three general test items of medical test are blood, urine and feces, and the test result has important significance for diagnosis, positioning, differential diagnosis and prognosis judgment of diseases, and is a test with clinical application value. Currently, automatic analyzers are widely used for biochemical tests in clinical medicine, wherein microsampling is regarded as a key operation step, because it is directly related to the accuracy of the test results.

1. The conventional microsampler can only sample a single sample, and when the samples are required to be sampled in batches, operators are required to sample the samples in a single group in sequence, so that the sampling efficiency is low, the sampling requirements in different forms cannot be met, and the improvement of the working efficiency is not facilitated;

2. the sampling volume of the current micro-sampler is subjectively influenced by manual operation, the uniformity and the accuracy degree of each sampling volume can not be guaranteed, and then the detection result can be influenced by the deviation of the sampling volume, so that the micro-sampler has certain limitation.

Disclosure of Invention

In order to solve the above technical problems, the present utility model provides a microsampler for testing, so as to solve the problems that the conventional microsampler proposed in the above background art can only sample a single sample, and when the batch sampling of samples is required, operators are required to sample in a single group in sequence, the sampling efficiency is low, and the sampling requirements under different forms cannot be met.

The purpose and the efficacy of the micro-sampler for inspection are achieved by the following specific technical means:

a microsampler for testing comprising: a cylinder; the cylinder body is of a cylindrical structure with a hollow inside, and is made of transparent plastic materials, and capacity scale values are arranged on the outer side of the cylinder body; the top of the cylinder body is fixedly provided with a fixing plate; the front side of the cylinder body is fixedly provided with a connecting plate, the connecting plate adopts a rectangular plate structure, and the upper side and the lower side of the connecting plate are provided with through type circular through groove structures; the circular through grooves of the connecting plates are internally provided with connecting screws, and the connecting screws are provided with two groups; the outside of the connecting screw rod is provided with a nut through threaded fit.

Further, a sliding rod is arranged at the top of the inner side of the cylinder body in a sliding manner, the sliding rod adopts a cylindrical structure, and a penetrating circular through groove structure is formed in the front side of the top end of the sliding rod; the bottom end of the sliding rod is fixedly provided with a piston plate, the piston plate adopts a circular plate-shaped structure, and the outer wall of the piston plate is attached to the inner wall of the cylinder; the top of the sliding rod is fixedly provided with a rack; the top of the cylinder body is fixedly provided with a push rod, the push rod adopts a cylindrical structure, and the outer side of the push rod is provided with capacity scale values corresponding to the capacity of the cylinder body.

Furthermore, the fixing plate adopts a rectangular plate structure, and the front side of the fixing plate is provided with a chute structure; a screw rod is rotatably arranged in the sliding groove at the front side of the fixed plate; a limiting plate is arranged in the sliding groove at the front side of the fixed plate in a sliding manner, a penetrating screw hole structure is formed in the top of the rear side of the limiting plate, a penetrating circular through groove structure is formed in the top of the front side of the limiting plate, the circular through groove at the front side of the limiting plate is sleeved on the outer side of the ejector rod, and the limiting plate is connected with the screw rod in a threaded fit manner; the front side of the fixed plate is rotatably provided with a gear which is meshed with the rack; a worm wheel is fixedly arranged on the outer side of the rotating shaft of the gear; the front side of the fixed plate is rotatably provided with a worm, and the worm is meshed with the worm wheel.

Compared with the prior art, the utility model has the following beneficial effects:

through being provided with barrel, connecting plate, connecting screw and nut, when needs carry out batchwise sample to the sample, can pass the circular logical inslot of connecting plate one side with two sets of connecting screw, then set up corresponding quantity's barrel on connecting screw to fix spacing through the nut to the position of each group barrel, thereby reach once only carry out the purpose of taking a sample to multiunit sample, very big improvement this device carry out the sampling efficiency of in-process to a large amount of samples, reduce operating personnel and carry out the burden of taking a sample in batches, satisfy different user demands, very big improvement this device's practicality.

Through being provided with slide bar, rack, ejector pin, fixed plate, limiting plate, the lead screw, the gear, worm wheel and worm, when taking a sample, the volume adjustment limiting plate's of taking a sample height as required for the distance between the bottom end face of limiting plate and the slide bar top satisfies the distance of current sample extraction volume, draw in the in-process of barrel with the sample from the bottom of barrel, when the slide bar upwards moved to contact with the limiting plate, then the instruction sample volume has reached the volume of predetermineeing, just can no longer make the slide bar upwards move this moment, thereby can guarantee the accurate degree of sample volume, predetermine the extraction volume in advance, avoid the extraction volume not enough or too much, guarantee the quality of taking a sample when being convenient for operation more, through the cooperation of worm wheel, worm wheel and rack, can make slide bar and piston plate more stable in the in-process of motion, thereby guarantee the stability to the sample extraction in-process, be favorable to guaranteeing the accuracy of testing result.

Drawings

Fig. 1 is a schematic overall axial view of the present utility model.

Fig. 2 is a schematic overall top view of the present utility model.

Fig. 3 is an isometric view of the cartridge of the present utility model in cross-section.

Fig. 4 is a schematic structural view of the present utility model in a state of combining multiple sets of cylinders.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a cylinder; 101. a connecting plate; 102. a slide bar; 103. a piston plate; 104. a rack; 105. a push rod; 2. a fixing plate; 201. a limiting plate; 202. a screw rod; 203. a gear; 204. a worm wheel; 205. a worm; 3. a connecting screw; 301. and (3) a nut.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples.

Example 1:

as shown in fig. 1 to 4:

the present utility model provides a microsampler for testing, comprising: a cylinder 1; the cylinder body 1 adopts a cylindrical structure with a hollow inside, the cylinder body 1 is made of transparent plastic materials, and capacity scale values are arranged on the outer side of the cylinder body 1; the top of the cylinder body 1 is fixedly provided with a fixed plate 2; the front side of the cylinder body 1 is fixedly provided with a connecting plate 101, the connecting plate 101 adopts a rectangular plate structure, and the upper side and the lower side of the connecting plate 101 are provided with through type circular through groove structures; the circular through grooves of the connecting plates 101 are internally provided with connecting screws 3, and the connecting screws 3 are provided with two groups; the outer side of the connecting screw 3 is provided with a nut 301 by screw-fitting.

When samples need to be sampled in batches, two groups of connecting screws 3 can penetrate through the circular through grooves on one side of the connecting plate 101, then corresponding numbers of cylinders 1 are arranged on the connecting screws 3, the positions of the groups of cylinders 1 are fixed and limited through nuts 301, then one group of connecting screws 3 are penetrated and arranged in the circular through grooves on the top ends of the groups of sliding rods 102, the groups of cylinders 1 are fixedly connected through the cooperation of the two groups of connecting screws 3 at the bottom, the groups of sliding rods 102 are connected in series through one group of connecting screws 3 at the top, and therefore when one group of sliding rods 102 are operated, the groups of sliding rods 102 can be synchronously driven to synchronously move, and the purpose of sampling the groups of samples at one time is achieved.

Example 2:

on the basis of the embodiment 1, as shown in fig. 1 to fig. 4:

the top of the inner side of the cylinder body 1 is provided with a sliding rod 102 in a sliding manner, the sliding rod 102 adopts a cylindrical structure, and the front side of the top end of the sliding rod 102 is provided with a through type circular through groove structure; the bottom end of the sliding rod 102 is fixedly provided with a piston plate 103, the piston plate 103 adopts a circular plate-shaped structure, and the outer wall of the piston plate 103 is attached to the inner wall of the cylinder 1; a rack 104 is fixedly arranged at the top of the sliding rod 102; the top of the cylinder body 1 is fixedly provided with a push rod 105, the push rod 105 adopts a cylindrical structure, and the outer side of the push rod 105 is provided with a capacity scale value corresponding to the capacity of the cylinder body 1.

Wherein, the fixed plate 2 adopts a rectangular plate structure, and the front side of the fixed plate 2 is provided with a chute structure; a screw rod 202 is rotatably arranged in a sliding groove on the front side of the fixed plate 2; a limiting plate 201 is arranged in the sliding groove at the front side of the fixed plate 2 in a sliding manner, a penetrating screw hole structure is formed in the top of the rear side of the limiting plate 201, a penetrating circular through groove structure is formed in the top of the front side of the limiting plate 201, a circular through groove at the front side of the limiting plate 201 is sleeved on the outer side of the ejector rod 105, and the limiting plate 201 is connected with the screw rod 202 in a threaded fit manner; the front side of the fixed plate 2 is rotatably provided with a gear 203, and the gear 203 is in meshed connection with the rack 104; a worm wheel 204 is fixedly arranged on the outer side of the rotating shaft of the gear 203; the front side of the fixed plate 2 is rotatably provided with a worm 205, and the worm 205 is engaged with the worm wheel 204.

The height of the limiting plate 201 is adjusted according to the amount to be sampled, the limiting plate 201 is driven to slide up and down along the sliding groove on the front side of the fixed plate 2 through the rotating screw rod 202, so that the height of the limiting plate 201 is adjusted, the distance between the bottom end face of the limiting plate 201 and the top end of the sliding rod 102 meets the distance of the current sampling extraction amount, then the worm wheel 204 and the gear 203 are driven to synchronously rotate through the rotating worm 205, the gear 203 drives the rack 104 to move upwards, the sliding rod 102 and the piston plate 103 are driven to move upwards, in the process of the upward movement of the piston plate 103, a sample is pumped into the barrel 1 from the bottom end of the barrel 1, when the sliding rod 102 moves upwards to be in contact with the limiting plate 201, the sampling amount reaches a preset amount, and at the moment, the sliding rod 102 cannot move upwards again, so that the accurate degree of the sampling amount can be guaranteed, the sampling amount is preset in advance, and the sampling amount is prevented from being insufficient or excessive.

Specific use and action of the embodiment:

in the utility model, when sampling is carried out, the height of the limiting plate 201 is adjusted according to the amount required to be sampled, the limiting plate 201 is driven to slide up and down along the sliding groove at the front side of the fixed plate 2 by rotating the lead screw 202, so that the height of the limiting plate 201 is adjusted, the distance between the bottom end surface of the limiting plate 201 and the top end of the sliding rod 102 meets the distance of the current sampling extraction amount, then the worm wheel 204 and the gear 203 are driven to synchronously rotate by rotating the worm 205, the gear 203 drives the rack 104 to move upwards, so that the sliding rod 102 and the piston plate 103 are driven to move upwards, in the process of moving the piston plate 103 upwards, the sample is pumped into the barrel 1 from the bottom end of the barrel 1, when the sliding rod 102 moves upwards to be in contact with the limiting plate 201, the sampling amount reaches the preset amount, and then the sliding rod 102 cannot move upwards, so that the accurate degree of the sampling amount can be ensured, and the sliding rod 102 and the piston plate 103 can be more stable in the moving process through the cooperation of the worm wheel 204, the gear 203 and the gear 104; when the samples need to be sampled in batches, as shown in fig. 4, two groups of connecting screws 3 can pass through the circular through grooves on one side of the connecting plate 101, then the corresponding number of cylinders 1 are arranged on the connecting screws 3, the positions of the groups of cylinders 1 are fixed and limited through nuts 301, then one group of connecting screws 3 are arranged in the circular through grooves on the top ends of the groups of sliding rods 102 in a penetrating manner, the groups of cylinders 1 are fixedly connected through the cooperation of the two groups of connecting screws 3 at the bottom, the groups of sliding rods 102 are connected in series through one group of connecting screws 3 at the top, and therefore when one group of sliding rods 102 are operated, the groups of sliding rods 102 can be synchronously driven to synchronously move, and the purpose of sampling the groups of samples at one time is achieved.

Claims

1. The micro-sampler for inspection is characterized by comprising: a cylinder (1); the cylinder body (1) adopts a cylindrical structure with a hollow inside, the cylinder body (1) is made of transparent plastic materials, and capacity scale values are arranged on the outer side of the cylinder body (1); a fixed plate (2) is fixedly arranged at the top of the cylinder body (1); the front side of the cylinder body (1) is fixedly provided with a connecting plate (101), the connecting plate (101) adopts a rectangular plate structure, and the upper side and the lower side of the connecting plate (101) are provided with through type circular through groove structures; the circular through grooves of the connecting plates (101) are connected with connecting screws (3), and the connecting screws (3) are provided with two groups; the outer side of the connecting screw rod (3) is provided with a nut (301) through threaded fit.

2. The microsampler for testing of claim 1, wherein: a sliding rod (102) is arranged at the top of the inner side of the cylinder body (1) in a sliding manner, the sliding rod (102) adopts a cylindrical structure, and a penetrating circular through groove structure is formed in the front side of the top end of the sliding rod (102); the bottom end of the sliding rod (102) is fixedly provided with a piston plate (103), the piston plate (103) adopts a circular plate-shaped structure, and the outer wall of the piston plate (103) is attached to the inner wall of the cylinder body (1).

3. The microsampler for testing of claim 2, wherein: a rack (104) is fixedly arranged at the top of the sliding rod (102); the top of barrel (1) is fixed and is provided with ejector pin (105), and ejector pin (105) adopts cylindrical structure, and the outside of ejector pin (105) is provided with capacity scale value corresponding to the capacity of barrel (1).

4. The microsampler for testing of claim 1, wherein: the fixing plate (2) adopts a rectangular plate structure, and a chute structure is arranged on the front side of the fixing plate (2); a screw rod (202) is rotatably arranged in the sliding groove at the front side of the fixed plate (2).

5. The test microsampler according to claim 4, wherein: a limiting plate (201) is arranged in the sliding groove at the front side of the fixed plate (2) in a sliding way, a penetrating screw hole structure is formed in the top of the rear side of the limiting plate (201), a penetrating circular through groove structure is formed in the top of the front side of the limiting plate (201), the circular through groove at the front side of the limiting plate (201) is sleeved on the outer side of the ejector rod (105), and the limiting plate (201) is connected with the screw rod (202) through threaded fit; the front side of the fixed plate (2) is rotatably provided with a gear (203), and the gear (203) is meshed with the rack (104).

6. The test microsampler according to claim 5, wherein: a worm wheel (204) is fixedly arranged on the outer side of the rotating shaft of the gear (203); the front side of the fixed plate (2) is rotatably provided with a worm (205), and the worm (205) is in meshed connection with the worm wheel (204).