Material returning mechanism and immunodetection equipment

Abstract

The utility model discloses a material returning mechanism and immunodetection equipment, wherein the material returning mechanism comprises a support block, a material returning block is hinged on the support block, the material returning block comprises at least one convex block positioned at the top of the material returning block, the side part of the convex block is provided with an overturning driving surface, the support block is connected with a driving mechanism for driving the support block to move linearly, and the driving mechanism is connected with the material returning block. In the process that the driving mechanism drives the supporting block to move towards an object till the overturning driving face makes contact with the object and then continues to move, the material returning block rotates relative to the supporting block so that the protruding block can rotate to the position below the object. And the material returning block is also connected with an elastic piece for resetting the material returning block. According to the material returning mechanism, only one material returning block and a structure for driving the material returning block to move need to be arranged, a clamping mechanism does not need to be arranged at each clamping groove like the prior art, the complexity of the structure is reduced, meanwhile, the material returning mechanism does not rotate along with the rotating disc, the wiring difficulty is greatly reduced, and the material returning mechanism is more convenient to use.

Description

Technical Field

[0001] The utility model relates to the field of medical testing equipment, in particular to a material return mechanism and immune testing equipment. Background Art

[0002] Fluorescent immunoassay technology has been widely used in medical testing.

[0003] In order to improve the detection efficiency, in some feasible ways, such as the solution disclosed in the utility model patent with authorization announcement number CN208224278U, the reagent strips for detection are distributed in a circle in the card slots provided on the turntable.

[0004] In this structure, a clamping device needs to be provided at each card slot, multiple clamping devices need to be provided and each clamping device needs to be powered, which increases the complexity of the structure. Utility Model Content

[0005] The purpose of the utility model is to solve the above problems existing in the prior art and to provide a material return mechanism and an immune detection device.

[0006] The purpose of the utility model is achieved through the following technical solutions:

[0007] The material-removing mechanism comprises a supporting block, on which a material-removing block is hinged, the material-removing block comprises at least one protrusion located on the top thereof, the side of the protrusion has a flip driving surface, the supporting block is connected to a driving mechanism that drives it to move linearly, and in the process in which the driving mechanism drives the supporting block to move toward an object until the flip driving surface contacts the object and then continues to move, the material-removing block rotates relative to the supporting block to make the protrusion rotate to the bottom of the object; the material-removing block is also connected to an elastic member that resets it.

[0008] Preferably, the flip driving surface is an inclined surface or an arc surface, and the side surface of the protrusion opposite to the flip driving surface is perpendicular to the horizontal plane under normal conditions.

[0009] Preferably, the support block is movably arranged on the guide rail.

[0010] Preferably, the driving mechanism is a tubular linear motor.

[0011] Preferably, it also includes a material discharge chute corresponding to the position of the material discharge block and located below the material discharge block, and the lower end of the material discharge chute is connected to the collecting tank.

[0012] Preferably, the material discharge chute passes through a base plate where the driving mechanism is located, and a transfer platform located above the material discharge chute is provided on the base plate. The transfer platform is located between the upper end and the lower end of the material discharge chute, and a material clamping groove matching the position of the material return block is provided thereon.

[0013] Preferably, a limiting plunger for limiting the position of the reagent strip in the card material through groove is provided on the transfer platform.

[0014] Preferably, an observation window corresponding to the position of the material clamping slot is provided on the top plate of the transfer platform, and a detection component for performing detection through the observation window is provided on the top plate.

[0015] An immunoassay device comprises any of the above-described material return mechanisms.

[0016] The advantages of the technical solution of the utility model are mainly reflected in:

[0017] The material return mechanism of the utility model only needs to set up a material return block and a structure to drive the movement thereof. There is no need to set up a clamping mechanism at each slot as in the prior art, which reduces the complexity of the structure. At the same time, the material return mechanism will not rotate with the turntable, which greatly reduces the difficulty of wiring and is more convenient to use.

[0018] The material-returning mechanism of the utility model is driven by a tubular linear motor, which can effectively simplify the structure and make the overall structure more compact.

[0019] The material return mechanism of the utility model is provided with a material discharge chute and a collection trough, which can effectively collect and recycle the reagent strips that have completed the test. At the same time, through the layout of the overall structure, the longitudinal space can be fully utilized and the size of the equipment in the horizontal direction can be reduced.

[0020] The material return mechanism of the utility model is provided with a transfer table and a detection component is provided on the transfer table, so that the detection action and the material return action can be matched, thereby improving the working efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a partial side view of the material return mechanism of the utility model;

[0022] Figure 2 It is a partial side sectional view of the material return mechanism of the utility model, in which the collecting tank is hidden;

[0023] Figure 3 It is a partial side plan view of the material return mechanism of the utility model;

[0024] Figure 4 It is a partial end view of the material return mechanism of the utility model. DETAILED DESCRIPTION

[0025] The purpose, advantages and features of the present invention will be illustrated and explained through the non-limiting description of the following preferred embodiments. These embodiments are only typical examples of the application of the technical solution of the present invention, and any technical solution formed by equivalent replacement or equivalent transformation falls within the scope of protection claimed by the present invention.

[0026] In the description of the scheme, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "back", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] The material return mechanism disclosed by the utility model is described below in conjunction with the accompanying drawings. Figure 1 As shown, it includes a support block 100, on which a material stripping block 200 is hinged, and the material stripping block 200 includes at least one protrusion 210 located on the top thereof, and the side of the protrusion 210 has a flip driving surface 211, and the support block 100 is connected to a driving mechanism 300 that drives it to move linearly. When the driving mechanism 300 drives the support block 100 to move toward an object until the flip driving surface 211 contacts the object and then continues to move, the material stripping block 200 rotates relative to the support block 100 to make the protrusion 210 rotate to the bottom of the object; the material stripping block 200 is also connected to an elastic member that resets it.

[0028] The object is a reagent strip stuck on the turntable as an example, and a part of the reagent strip extends outside the turntable. When working, the driving mechanism 300 drives the support block to move in the direction of the reagent strip. When the flip driving surface contacts the lower vertex angle of the outer end of the reagent strip, the material stripping block flips to the bottom of the reagent strip. When the support block continues to move toward the reagent strip until the material stripping block rotates to the notch or groove on the reagent strip, the material stripping block is no longer restricted, so that the elastic member rotates the material stripping block in the direction of reset. When the driving mechanism 300 drives the support block to move in the opposite direction, the part of the material stripping block stuck in the notch or groove applies a thrust to the reagent strip to realize the material stripping.

[0029] As attached Figure 1 , Attachment Figure 2As shown, the shape of the support block 100 can be designed as needed. In this embodiment, the support block 100 includes a main body 110 and a suspended portion 120 located at the side of the main body 110, the ejection block 200 is hinged on the suspended portion 120, the suspended portion 120 includes two pivoting platforms 121 with gaps, the ejection block 200 includes a pivoting portion 220 embedded in the pivoting platform 121, the pivoting portions 220 are two and keep a distance, they are pivotally connected between the two pivoting platforms 121 through a rotating shaft 400, and the right side surface of the pivoting portion 220 abuts against the left side surface of a stopper 122 on the right side of the pivoting platform 121, the left side surface of the stopper 122 is perpendicular to the horizontal plane, and the top of the stopper 122 is lower than the top of the pivoting platform 121.

[0030] The stripping block 200 further includes a connection portion disposed above the two pivoting portions 220, and at least one L-shaped portion 230 is disposed on the side of the connection portion facing the stopper 122, and the number of the L-shaped portions 230 is two and symmetrically distributed on the outside of the two pivoting portions 220. The upwardly protruding convex portions of the two L-shaped portions 230 are the protrusions 210, and the side of the protrusion 210 facing the rotating shaft 400 forms the flip driving surface 211, and the flip driving surface 211 is an inclined surface or an arc surface, and the side surface 212 of the protrusion 210 on the side opposite to the flip driving surface 211 (the side of the protrusion 210 facing away from the rotating shaft 400) is perpendicular to the horizontal plane under normal conditions.

[0031] The elastic member may be a spring or a spring sheet disposed on the top of the stopper 122 and below the L-shaped portion 230. Figure 2 As shown, the elastic member can be a torsion spring 500 mounted on the rotating shaft 400 and located between the two pivoting parts 220, one end of the torsion spring is fixed on the stopper 122, and the other end of the torsion spring is inserted into the through hole opened on the connecting part.

[0032] As attached Figure 2 , Attachment Figure 3 As shown, in order to ensure the stable movement of the support block 100, the support block 100 is movably arranged on a guide rail 600, and the guide rail 600 is arranged on the top of a substrate 700. The driving mechanism 300 can be a feasible device such as a hydraulic cylinder, an electric cylinder, etc. Preferably, the driving mechanism 300 is a tubular linear motor, which is fixed to the bottom of the substrate 700. At this time, the support block 100 passes through the substrate 700 and is connected to the moving part of the tubular linear motor. The substrate 700 is provided with an avoidance hole for the reciprocating movement of the support block 100.

[0033] As attached Figure 1As shown, in order to facilitate the centralized collection of used reagent strips A, the material return mechanism also includes a material discharge chute 800 corresponding to the position of the material return block 200 and located below the material return block 200 , and the lower end of the material discharge chute 800 is connected to the collection tank 900 .

[0034] As attached Figure 1 , Attachment Figure 2 , Attachment Figure 4 As shown, the unloading chute 800 passes through the base plate 700, and the base plate 700 is provided with a transfer table B located above the unloading chute 800, the transfer table B is in the shape of a "J", and the transfer table B is located between the upper end and the lower end of the unloading chute 800, and is provided with a material clamping groove matching the position of the material return block 200, specifically, the bottom of the top plate B1 of the transfer table B is formed with a groove B2 extending from its first side to the opposite second side, and the bottom of the top plate is provided with two support plates B3 that maintain a spacing, and the spacing between the two support plates B3 is less than the width of the groove B2, and the two support plates and the groove constitute the material clamping groove, so that the two support plates B3 extend into the region of the groove B2 to support the reagent strip A entering the groove B2. At the same time, in order to facilitate the reagent strip A to enter the groove B2, the two support plates B3 extending to the first side are bent downward to form a guide plate B31 to achieve a certain guidance.

[0035] As attached Figure 1 , Attachment Figure 4 As shown, a limit plunger B4 for limiting the position of the reagent strip A in the card material through slot is provided on the transfer platform B. The limit plunger B4 can be a known spring plunger. The limit plunger B4 is arranged at the side plate of the transfer platform B, and has a ball B41 that can be extended and retracted along the axial direction of the limit plunger B4. A part of the ball B41 is embedded in the through slot B2. When the reagent strip A is inserted into the through slot B2, the ball B41 is pressed back into the outer shell of the limit plunger B4. At the same time, the reaction force of the spring of the limit plunger B4 causes the ball B41 to press on the side of the reagent strip A, thereby pressing the reagent strip A in the through slot B2.

[0036] Furthermore, an observation window corresponding to the position of the material clamping slot is provided on the top plate of the transfer table B, and a detection component C for detection through the observation window is provided on the top plate. The detection component C can be a known fluorescence detection device, which is not limited here.

[0037] Example 2

[0038] This embodiment discloses an immunoassay device, comprising any of the above-described material return mechanisms.

[0039] There are many implementation methods of the utility model, and all technical solutions formed by equivalent transformation or equivalent transformation fall within the protection scope of the utility model.

Claims

1. The material return mechanism comprises a support block, characterized in that: A material stripping block is hinged on the support block, and the material stripping block includes at least one protrusion located on the top thereof, and the side of the protrusion has a flip driving surface. The support block is connected to a driving mechanism that drives it to move linearly. When the driving mechanism drives the support block to move toward an object until the flip driving surface contacts the object and then continues to move, the material stripping block rotates relative to the support block to make the protrusion rotate to the bottom of the object; the material stripping block is also connected to an elastic member that resets it.

2. The material return mechanism according to claim 1, characterized in that: The flip driving surface is an inclined surface or an arc surface, and the side surface of the protrusion opposite to the flip driving surface is perpendicular to the horizontal plane under normal conditions.

3. The material return mechanism according to claim 1, characterized in that: The supporting block is movably arranged on the guide rail.

4. The material return mechanism according to claim 1, characterized in that: The driving mechanism is a tubular linear motor.

5. The material return mechanism according to claim 1, characterized in that: It also includes a material discharge chute corresponding to the position of the material discharge block and located below the material discharge block, and the lower end of the material discharge chute is connected to the collecting tank.

6. The material return mechanism according to claim 5, characterized in that: The material discharge chute passes through the base plate where the driving mechanism is located, and a transfer platform located above the material discharge chute is provided on the base plate. The transfer platform is located between the upper end and the lower end of the material discharge chute, and is provided with a material clamping groove matching the position of the material return block.

7. The material return mechanism according to claim 6, characterized in that: The transfer platform is provided with a limiting plunger for limiting the position of the reagent strip in the card material through slot.

8. The material return mechanism according to claim 6, characterized in that: An observation window corresponding to the position of the material clamping slot is arranged on the top plate of the transfer platform, and a detection component for detecting through the observation window is arranged on the top plate.

9. Immunoassay equipment, characterized in that: It comprises a material return mechanism as described in any one of claims 1-8.

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