Accurate sampling assembly of blood coagulation analyzer

Abstract

The accurate sampling assembly mainly comprises a main body structure, a sampling structure, a clamping structure and a lifting structure, the main body structure comprises a base, first air cylinders symmetrically and fixedly connected to the tops of the left side and the right side of the base, and a portal frame fixedly connected with the top ends of the first air cylinders; the sampling structure is located between the base and the portal frame and used for sampling samples, the clamping structures are symmetrically and fixedly installed on side plates on the left side and the right side of the portal frame, the clamping structures are used for clamping and fixing the sampling structure, and the lifting structure is connected with the portal frame and the sampling structure. The lifting device is used for locally lifting the sampling structure, so that the sampling structure can perform extraction. The device is simple to operate, capable of reducing the labor amount of sampling personnel, high in sampling accuracy and not easy to influence the accuracy of a detection result.

Description

TECHNICAL FIELD

[0001] The utility model relates to sampling equipment technical field especially, relate to a kind of accurate sampling subassembly of coagulation analyser. BACKGROUND

[0002] Coagulation analyser belongs to medical clinical laboratory equipment (laboratory medical instrument), is the routine detection equipment that is indispensable in clinical measurement various component content in human blood, quantitative biochemical analysis result, provides reliable digital basis for clinical diagnosis patient various diseases.

[0003] In the detection process of coagulation analyser, accurate sampling is one of very important detection steps, and inaccurate sampling can cause inaccurate test results.The sampling component of existing coagulation analyser still needs sampling personnel to manually extract sample when sampling, and sampling personnel's labor is large, and manual sampling is low in accuracy, which can easily affect the accuracy of detection results. SUMMARY

[0004] This section aims to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] To solve the above technical problems, the utility model provides the following technical scheme: an accurate sampling subassembly of coagulation analyser mainly includes main body structure, sampling structure, clamping structure and lifting structure, the main body structure includes base, first air cylinder symmetrically fixed on the top of left and right sides of base and gantry fixedly connected with the top end of first air cylinder, the sampling structure is located between base and gantry, for extracting sample, the clamping structure is provided with a pair of symmetrically fixed installations on the left and right side plates of gantry, the clamping structure is used for clamping and fixing sampling structure, the lifting structure is connected with the gantry and the sampling structure, for lifting part of sampling structure, so that sampling structure can extract.

[0006] As a preferred scheme of the accurate sampling subassembly of coagulation analyser of the utility model, wherein: the sampling structure includes sampling needle tube, scale line is engraved on the tube body of sampling needle tube, piston is slidably connected in the sampling needle tube, movable rod is fixedly connected to the top of piston, lifting plate is fixedly connected to the top end of movable rod extending to the outside of sampling needle tube, a pair of threaded pipes are symmetrically fixed to the top of lifting plate.

[0007] As a preferred scheme of the precise sampling assembly of the coagulation analyzer, the sampling structure further comprises a pair of connecting rods fixedly connected with the bottom of the lifting plate, a moving ring fixedly connected with the bottom end of the pair of connecting rods, and a quantitative ring sleeved on the outside of the sampling needle tube.

[0008] As a preferred scheme of the precise sampling assembly of the coagulation analyzer, the quantitative ring is movably connected with a positioning pin, and the head end of the positioning pin is in abutment with the outer wall of the sampling needle tube.

[0009] As a preferred scheme of the precise sampling assembly of the coagulation analyzer, the clamping structure comprises a second air cylinder fixedly connected with the gantry, and the piston end of the second air cylinder is fixedly connected with an arc-shaped clamping plate clamped on the upper portion of the sampling needle tube.

[0010] As a preferred scheme of the precise sampling assembly of the coagulation analyzer, the lifting structure comprises a third air cylinder fixedly connected with the top of the gantry, and the piston end of the third air cylinder penetrates downward through the gantry and is fixedly connected with a lifting plate, the bottom of the lifting plate is fixedly connected with a pair of vertical rods, the bottom end of each vertical rod is rotatably installed with a rotating knob, the bottom of each rotating knob is fixedly connected with a screw rod, and the pair of screw rods are respectively screwed with a pair of threaded pipes.

[0011] The coagulation analyzer has the following beneficial effects:

[0012] When sampling, the sampling structure is clamped and fixed by the cooperation of the second air cylinder and the arc-shaped clamping plate, the lifting structure and the lifting plate in the sampling structure are fixedly connected together through the connection of the screw rod and the threaded pipe, so that the lifting structure can automatically drive the lifting plate to move upward, the piston is driven to slide upward along the inside of the sampling needle tube through the movable rod of the lifting plate, automatic sample extraction is realized, the operation is simple, the labor of the sampling personnel is reduced, and in addition, accurate sampling can be realized through the cooperation of the quantitative ring and the moving ring during the sampling process, and the accuracy of the detection result is not easily affected. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor. Among them:

[0014] Figure 1The overall structure schematic diagram of the utility model.

[0015] Figure 2 The structure schematic diagram of the sampling structure of the utility model.

[0016] Figure 3 The sectional structure schematic diagram of the sampling structure of the utility model.

[0017] Figure 4 The structure schematic diagram of the clamping structure of the utility model.

[0018] Figure 5 The structure schematic diagram of the lifting structure of the utility model.

[0019] In the drawing: 100, main body structure;101, base;102, first cylinder;103, gantry;200, sampling structure;201, sampling needle tube;202, piston;203, movable rod;204, threaded tube;205, moving ring;206, fixed ring;207, positioning pin;208, connecting rod;209, lifting plate;300, clamping structure;301, second cylinder;302, arc-shaped clamping plate;400, lifting structure;401, third cylinder;402, lifting plate;403, vertical rod;404, rotating knob;405, screw rod. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purpose, features and advantages of the utility model more apparent and easy to understand, the specific embodiments of the utility model are described in detail below with reference to the accompanying drawings.

[0021] In the following description, a lot of specific details are set forth in order to facilitate a full understanding of the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0022] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the utility model. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0023] Thirdly, the utility model is described in detail in conjunction with the schematic diagram, and in the detailed description of the utility model embodiments, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0024] Embodiment 1

[0025] With reference to Figures 1-5 For the first embodiment of the utility model, provide a kind of accurate sampling assembly of coagulation analyzer, it mainly includes:

[0026] Main body structure 100, main body structure 100 includes base 101, the first air cylinder 102 of symmetrical fixed connection in the top of base 101 left and right two sides and the gantry 103 of bolt fixed connection with the top of first air cylinder 102, wherein, by setting first air cylinder 102, the height of sampling structure 200 can be adjusted, so that its bottom end can enter sample storage box, and sample storage box is placed on base 101;

[0027] Sampling structure 200, sampling structure 200 is located between base 101 and gantry 103, for extracting sample;

[0028] Clamping structure 300, clamping structure 300 is equipped with a pair, and is symmetrically fixedly installed on the side plate of gantry 103 left and right two sides, and clamping structure 300 is used for clamping and fixing sampling structure 200;

[0029] Lifting structure 400, lifting structure 400 is connected with gantry 103, sampling structure 200, for lifting the local of sampling structure 200, so that sampling structure 200 can be extracted.

[0030] Specifically, as Figures 2-3 Sampling structure 200 includes sampling needle tube 201, scale line is engraved on the pipe body of sampling needle tube 201, piston 202 is slidably connected in sampling needle tube 201, movable rod 203 is fixedly connected to the top of piston 202, movable rod 203 top end slidingly extends to the outside of sampling needle tube 201 and is fixedly connected with lifting plate 209, a pair of threaded pipes 204 are symmetrically fixedly connected to the top of lifting plate 209, for being connected with lifting structure 400, when sampling, threaded pipe 204 is fixedly connected with lifting plate 209 and lifting structure 400, then lifting plate 209 is moved upward by lifting structure 400, lifting plate 209 drives piston 202 to move upward by movable rod 203, so that automatic sample extraction can be realized, and the labor intensity of sampling personnel can be reduced.

[0031] The sampling structure 200 further comprises a pair of connecting rods 208 fixedly connected with the bottom of the pull plate 209, a moving ring 205 fixedly connected with the bottom end of the pair of connecting rods 208, and a quantitative ring 206 sleeved on the outside of the sampling needle tube 201, the moving ring 205 movably covers the outside of the sampling needle tube 201, the moving ring 205 is located below the quantitative ring 206, and the upper surface of the moving ring 205 corresponds to the lower surface of the piston 202, the side surface of the quantitative ring 206 movably connects a positioning pin 207, the head end of the positioning pin 207 abuts against the outer wall of the sampling needle tube 201, during sampling, first, the quantitative ring 206 is moved to the required scale, then the quantitative ring 206 is fixed through the positioning pin 207, while the pull plate 209, the movable rod 203 and the piston 202 are moved upward by the pull structure 400, the connecting rod 208 and the moving ring 205 move synchronously with the pull plate 209, when the top of the moving ring 205 contacts the bottom of the quantitative ring 206, the sampling is stopped, at this time, the bottom of the piston 202 corresponds to the required scale of the quantitative ring 206, so that accurate sampling can be realized.

[0032] Specifically, as shown in Figure 4 , the clamping structure 300 comprises a second air cylinder 301 fixedly connected with the gantry 103 through bolts, the piston end of the second air cylinder 301 is fixedly connected with an arc-shaped clamping plate 302 through bolts, and the arc-shaped clamping plate 302 clamps the upper part of the sampling needle tube 201, so as to fix the sampling needle tube 201.

[0033] Specifically, as shown in Figure 5 , the pull structure 400 comprises a third air cylinder 401 fixedly connected with the top of the gantry 103, the piston end of the third air cylinder 401 downwardly penetrates the gantry 103 and is fixedly connected with a lifting plate 402 through bolts, the bottom of the lifting plate 402 is fixedly connected with a pair of vertical rods 403, the bottom end of each vertical rod 403 is rotatably installed with a rotating knob 404 through a bearing, the bottom of each rotating knob 404 is fixedly connected with a screw rod 405, and the pair of screw rods 405 are respectively screwed with the pair of threaded pipes 204, so as to fixedly connect the pull structure 400 and the pull plate 209 together.

[0034] In summary, in use, first, the sampling structure 200 is placed below the pulling structure 400, then the screw rod 405 is rotated by rotating the knob 404, so that the screw rod 405 can be screwed into the threaded pipe 204, so that the pulling structure 400 can be fixedly connected with the pulling plate 209, then the second cylinder 301 is started, the piston end of the second cylinder 301 drives the arc-shaped clamp plate 302 to move in the direction of the sampling needle tube 201, so that the sampling needle tube 201 can be clamped and fixed, then the position of the quantitative ring 206 is adjusted, so that the lower surface thereof corresponds to the required scale line, then the quantitative ring 206 is fixed by the positioning pin 207, then the gantry 103 is moved downward by the first cylinder 102, the sampling needle tube 201 is moved downward by the clamping structure 300 and the pulling structure 400, so that the bottom end of the sampling needle tube 201 is deeply inserted into the sample storage box, then the third cylinder 401 is started, the piston end of the third cylinder 401 drives the lifting plate 402 to move upward, the lifting plate 402 drives the screw rod 405 to move upward through a pair of vertical rods 403, the screw rod 405 drives the pulling plate 209 to move upward through the threaded pipe 204, the pulling plate 209 drives the piston 202 to move upward through the movable rod 203, when the piston 202 moves upward, the sample can be extracted, in addition, when the pulling plate 209 moves upward, the moving ring 205 can be driven to move upward through the connecting rod 208, when the top of the moving ring 205 is in contact with the lower surface of the quantitative ring 206, the sampling is stopped, at this time, the lower surface of the piston 202 corresponds to the required scale line, so that the sample can be accurately extracted, the sampling accuracy is high, and the accuracy of the detection structure is not easily affected, and through automatic sampling, the labor of the sampling personnel can be reduced.

[0035] It is worth noting that the entire device is controlled by a controller, and since the controller is a commonly used device and belongs to existing mature technology, the electrical connection relationship and specific circuit structure are not described again.

[0036] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, and they should be included in the scope of the claims of the present application.

Claims

1. An accurate sampling assembly for a coagulation analyzer, comprising: Include: The main structure (100) includes a base (101), a first cylinder (102) symmetrically fixed on the left and right sides of the top of the base (101), and a gantry (103) fixedly connected with the top end of the first cylinder (102); The sampling structure (200) is located between the base (101) and the gantry (103), and is used for extracting samples; The clamping structure (300) is provided with a pair of symmetrically fixed clamping structures (300) installed on the left and right side plates of the gantry (103), and is used for clamping and fixing the sampling structure (200); The lifting structure (400) is connected with the gantry (103) and the sampling structure (200), and is used for lifting part of the sampling structure (200) to enable the sampling structure (200) to extract.

2. The precision sampling assembly of a coagulation analyzer of claim 1, wherein: The sampling structure (200) includes a sampling needle tube (201) with scale lines engraved on the tube, a piston (202) adapted to slide in the sampling needle tube (201), an activity rod (203) fixedly connected to the top of the piston (202), a lifting plate (209) fixedly connected to the top end of the activity rod (203) and extending to the outside of the sampling needle tube (201), and a pair of threaded pipes (204) symmetrically fixed to the top of the lifting plate (209).

3. The precision sampling assembly of a coagulation analyzer of claim 2, wherein: The sampling structure (200) further includes a pair of connecting rods (208) fixedly connected to the bottom of the lifting plate (209), a moving ring (205) fixedly connected to the bottom end of the pair of connecting rods (208), and a quantitative ring (206) slidingly sleeved outside the sampling needle tube (201), the moving ring (205) is movably covered outside the sampling needle tube (201), the moving ring (205) is located below the quantitative ring (206), and the upper surface of the moving ring (205) corresponds to the lower surface of the piston (202).

4. The precision sampling assembly of a coagulation analyzer of claim 3, wherein: The quantitative ring (206) is movably connected with a positioning pin (207), and the head end of the positioning pin (207) abuts against the outer wall of the sampling needle tube (201).

5. The precision sampling assembly of a coagulation analyzer of claim 1 wherein: The clamping structure (300) includes a second cylinder (301) fixedly connected with the gantry (103), an arc-shaped clamping plate (302) fixedly connected to the piston end of the second cylinder (301), and the arc-shaped clamping plate (302) clamped on the upper part of the sampling needle tube (201).

6. The precision sampling assembly of a coagulation analyzer of claim 1, wherein: The lifting structure (400) includes a third cylinder (401) fixedly connected to the top of the gantry (103), a lifting plate (402) fixedly connected to the piston end of the third cylinder (401) and penetrating through the gantry (103), a pair of vertical rods (403) fixedly connected to the bottom of the lifting plate (402), a pair of rotating buttons (404) rotatably installed at the bottom end of the pair of vertical rods (403), a pair of screw rods (405) fixedly connected to the bottom of the pair of rotating buttons (404), and a pair of threaded pipes (204) threadedly connected with the pair of screw rods (405).

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