Sample frame dispatching mechanism and sample analyzer

Abstract

The embodiment of the utility model provides a sample rack scheduling mechanism and sample analyzer, including mounting rack, moving subassembly and fitting piece, moving subassembly is provided on the mounting rack, moving subassembly includes drive piece and eccentric piece, drive piece is provided on the mounting rack, eccentric piece and drive piece output end non-coaxial arrangement, the fitting piece is provided with mounting groove, the mounting groove is equipped with the eccentric piece, the eccentric piece is equipped with the mounting groove. The eccentric part is inserted into the mounting groove in a sliding manner, and the mounting groove is in a runway shape; the driving part is used for driving the matching part to move between a first working position and a second working position through the eccentric part, the matching part can be matched with the sample frame at the first working position, and the matching part can be released from the sample frame at the second working position. According to the sample frame dispatching mechanism, the moving assembly is adopted to drive the matching piece to be connected with or separated from the sample frame, the capacity of driving the sample frame to move is achieved under the condition that the matching piece is connected with the sample frame, the structural principle is simple, cost is low, and the working process is stable.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a sample rack scheduling mechanism and a sample analyzer. Background Art

[0002] The sample analyzer is used to automatically distribute samples between analyzers. Samples are generally stored in test tubes, and multiple test tubes are placed on a sample rack. Sample analyzers in the prior art usually use mechanical grippers to transfer and distribute sample racks, which is costly and complex in structure. Utility Model Content

[0003] The embodiment of the utility model provides a sample rack scheduling mechanism and a sample analyzer, which are used to solve the problems of complex structure and high cost in the prior art of using mechanical grippers to schedule sample racks.

[0004] According to the first aspect, an embodiment of the utility model provides a sample rack scheduling mechanism, comprising a mounting frame, a moving component and a matching piece, wherein the moving component is arranged on the mounting frame, and the moving component comprises a driving piece and an eccentric piece, wherein the driving piece is mounted on the mounting frame, and the eccentric piece is non-coaxially arranged with the output end of the driving piece, and a mounting groove is provided on the matching piece, wherein the eccentric piece can be slidably inserted into the mounting groove, and the mounting groove is in a runway shape; the driving piece is used to drive the matching piece to move between a first working position and a second working position through the eccentric piece, wherein in the first working position, the matching piece can form a match with the sample rack, and in the second working position, the matching piece can release the match with the sample rack.

[0005] As a further optional solution of the sample rack scheduling mechanism, the moving assembly further includes a rolling member, the rolling member is rotatably connected to the sliding portion, and the rolling member is slidably disposed in the mounting groove.

[0006] As a further optional solution of the sample rack scheduling mechanism, the mating component includes a mating portion and a sliding portion, the mating portion and the sliding portion are detachably connected, the mating portion is used to cooperate with the sample rack, and the sliding portion is slidably connected to the mounting frame.

[0007] As a further optional solution of the sample rack scheduling mechanism, in the first working position, the matching piece can be inserted into a matching hole opened on the sample rack.

[0008] As a further optional solution of the sample rack scheduling mechanism, in the first working position, the matching piece is engaged with the sample rack.

[0009] As a further optional solution of the sample rack scheduling mechanism, in the first working position, the matching component is magnetically connected to the sample rack.

[0010] As a further optional solution of the sample rack scheduling mechanism, the sample rack scheduling mechanism also includes a sensor component, which is arranged on the mounting frame, the sensor component is electrically connected to the driving member, and the sensor component is used to sense the movement distance of the matching member to control the working process of the driving member.

[0011] As a further optional solution of the sample rack scheduling mechanism, the sensor assembly includes a first through-beam sensor and a second through-beam sensor, the first through-beam sensor and the second through-beam sensor are arranged on the mounting frame at an interval, and the matching piece is provided with a first baffle and a second baffle, the first baffle can enter the sensing slot of the first through-beam sensor when the matching piece is in the first working position, and the second baffle can enter the sensing slot of the second through-beam sensor when the matching piece is in the second working position; or

[0012] The sensor assembly includes a first travel switch and a second travel switch, the first travel switch and the second travel switch are arranged on the mounting frame at an interval, the matching piece contacts the first travel switch when in the first working position, and contacts the second travel switch when in the second working position; or

[0013] The sensing assembly includes a first Hall sensor and a second Hall sensor. The matching component is provided with a magnetic component. The matching component triggers the first Hall sensor when it is in the first working position, and triggers the second Hall sensor when it is in the second working position.

[0014] As a further optional scheme of the sample rack scheduling mechanism, the mounting frame includes a base plate, a first side plate and a second side plate, the first side plate is adjacent to the second side plate, the first side plate and the second side plate are vertically connected to the base plate, the driving member is arranged on the first side plate, and the mating member is slidably connected to the second side plate.

[0015] According to the second aspect, an embodiment of the utility model provides a sample analyzer, comprising a detection mechanism, a transfer mechanism, and a sample rack scheduling mechanism as described in any of the aforementioned embodiments, wherein the transfer mechanism is connected to the sample rack scheduling mechanism, and the transfer mechanism is used to drive the sample rack scheduling mechanism to move to the detection mechanism after the mating piece is mated and connected with the sample rack, and the detection mechanism is used to detect the sample in the sample tube.

[0016] Implementing the embodiments of the present utility model will have the following beneficial effects:

[0017] The sample rack scheduling mechanism adopts a moving component to drive the matching part to connect or separate with the sample rack. When the matching part is connected with the sample rack, it has the ability to drive the sample rack to move. The structural principle is simple, the cost is low, and the working process is stable; the installation groove is set to a runway type, which is conducive to making the movement process of the sliding part more stable, and then making the movement process of the matching part more stable.

[0018] The sample analyzer adopts the aforementioned sample rack scheduling mechanism. After the matching piece is connected to the sample rack, the scheduling component can drive the sample rack to move through the matching piece, so that the sample rack can move between different working positions to meet usage requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0020] in:

[0021] Figure 1 This is a schematic diagram of the structure of a sample analyzer in one embodiment of the utility model;

[0022] Figure 2 This is a structural schematic diagram of a sample rack scheduling mechanism in one embodiment of the utility model;

[0023] Figure 3 It is a partial structural schematic diagram of a sample rack scheduling mechanism in one embodiment of the utility model;

[0024] Figure 4 This is a schematic diagram of the structure of the installation slot in one embodiment of the utility model;

[0025] Explanation of the main component symbols: 10-transfer mechanism; 20-sample rack scheduling mechanism; 21-mounting frame; 211-slide rail; 212-bottom plate; 213-first side plate; 214-second side plate; 22-moving assembly; 221-driving member; 222-eccentric member; 2221-connecting part; 2222-sliding part; 23-matching member; 231-mounting groove; 2311-straight line segment; 2312-arc segment; 232-matching part; 233-sliding part; 24-sensing assembly; 241-first counter-radiation sensor; 242-second counter-radiation sensor; 243-first baffle plate; 244-second baffle plate; 25-rolling member. DETAILED DESCRIPTION

[0026] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively with reference to the relevant drawings. The drawings provide preferred embodiments of the present invention. However, the present invention can be implemented in many other different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0027] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0029] The embodiment of the utility model provides a sample rack scheduling mechanism and a sample analyzer, which are used to solve the problems of complex structure and high cost in the prior art of using mechanical grippers to schedule sample racks.

[0030] For the sample analyzer provided in the embodiment of the utility model, please refer to Figure 1 It includes a detection mechanism (not shown), a transfer mechanism 10 and a sample rack scheduling mechanism 20. The transfer mechanism 10 is connected to the sample rack scheduling mechanism 20. The transfer mechanism 10 is used to drive the sample rack scheduling mechanism 20 to move to the detection mechanism after the sample rack scheduling mechanism 20 is connected with the sample rack. The detection mechanism is used to detect the sample in the sample container.

[0031] Among them, please refer to Figures 2 to 4The sample rack scheduling mechanism 20 includes a mounting frame 21, a moving component 22 and a matching piece 23. The moving component 22 is arranged on the mounting frame 21. The moving component 22 includes a driving piece 221 and an eccentric piece 222. The driving piece 221 is installed on the mounting frame 21. The eccentric piece 222 is non-coaxially arranged with the output end of the driving piece 221. A mounting groove 231 is opened on the matching piece 23. The eccentric piece 222 can be slidably inserted in the mounting groove 231. The mounting groove 231 is in a runway shape; the driving piece 221 is used to drive the matching piece 23 to move between the first working position and the second working position through the eccentric piece 222. In the first working position, the matching piece 23 can form a match with the sample rack. In the second working position, the matching piece 23 can release the match with the sample rack.

[0032] The eccentric member 222 includes a connecting portion 2221 and a sliding portion 2222 . The connecting portion 2221 is connected to the output end of the driving member 221 . The sliding portion 2222 is non-coaxially arranged with the output end of the driving member 221 . The sliding portion 2222 can be slidably inserted into the mounting groove 231 .

[0033] The surrounding wall of the installation groove 231 includes two straight segments 2311 and two arc segments 2312. The two straight segments 2311 are arranged in parallel and spaced apart. The two arc segments 2312 are respectively located at the two ends of the straight segment 2311. The arc segments 2312 and the straight segment 2311 are smoothly connected, so that the installation groove 231 presents a runway shape.

[0034] The sample rack scheduling mechanism 20 uses a moving component 22 to drive the matching component 23 to connect or separate with the sample rack. When the matching component 23 is connected to the sample rack, it has the ability to drive the sample rack to move. The structural principle is simple, the cost is low, and the working process is stable; the installation groove 231 is set to a runway shape, which is conducive to making the movement process of the sliding part 2222 more stable, and then making the movement process of the matching component 23 more stable.

[0035] The sample analyzer adopts the aforementioned sample rack scheduling mechanism 20. After the fitting 23 is connected to the sample rack, the scheduling component 10 can drive the sample rack to move through the fitting 23, so that the sample rack can move between different working positions to meet the use requirements.

[0036] In one embodiment, the moving assembly further includes a rolling member 25 , which is rotatably connected to the sliding portion 2222 , and the rolling member 25 is slidably disposed in the mounting groove 231 .

[0037] When the sliding portion 2222 moves in the installation groove 231 , the rolling element 25 rolls along the installation groove 231 , thereby reducing the resistance during the movement, making the movement of the sliding portion 2222 more stable, and further making the movement of the matching element 23 more stable.

[0038] In one embodiment, the mating member 23 includes a mating portion 232 and a sliding portion 233 . The mating portion 232 and the sliding portion 233 are detachably connected. The mating portion 232 is used to cooperate with the sample rack, and the sliding portion 233 is slidably connected to the mounting frame 21 .

[0039] The fitting 23 is formed by connecting two parts, which is convenient for repair and replacement and helps to reduce maintenance costs.

[0040] In one embodiment, at the first working position, the matching piece 23 can be inserted into the matching hole provided on the sample rack, which has a simple structure and is easy to implement.

[0041] In one embodiment, in the first working position, the fitting 23 is engaged with the sample rack, and the connection is stable and not easy to loosen.

[0042] In one embodiment, in the first working position, the fitting 23 is magnetically connected to the sample rack, and the connection is stable, highly reliable, and has a long service life.

[0043] In some embodiments, the driving member 221 can be selected from a stepper motor or a servo motor.

[0044] In one embodiment, a slide rail 211 is disposed on the mounting frame 21 , a slide groove is provided on the slide portion 233 , and the slide portion 233 is connected to the slide rail 211 through the slide groove.

[0045] In one embodiment, the sliding direction of the sliding portion 233 is along the vertical direction.

[0046] In one embodiment, the sample rack scheduling mechanism 20 further includes a sensor component 24 , which is disposed on the mounting frame 21 . The sensor component 24 is electrically connected to the driving member 221 . The sensor component 24 is used to sense the movement distance of the matching member 23 to control the working process of the driving member 221 .

[0047] In a more specific embodiment, the sensing assembly 24 includes a first pair of beam sensors 241 and a second pair of beam sensors 242. The first pair of beam sensors 241 and the second pair of beam sensors 242 are spaced apart on the mounting frame 21. A first baffle 243 and a second baffle 244 are provided on the mating piece 23. The first baffle 243 can enter the sensing slot of the first pair of beam sensors 241 when the mating piece 23 is in the first working position. The second baffle 244 can enter the sensing slot of the second pair of beam sensors 242 when the mating piece 23 is in the second working position. When the first baffle 243 blocks the sensing light in the first beam sensor 241, or the second baffle 244 blocks the sensing light in the second beam sensor 242, the driving piece 221 stops rotating to prevent over-movement.

[0048] In a more specific embodiment, the sensing assembly 24 includes a first travel switch and a second travel switch. When the matching member 23 is in the first working position, it contacts the first travel switch to transmit a control signal. When the matching member 23 is in the second working position, it contacts the second travel switch to transmit a control signal. Both control signals can be used to stop the driving member 221 from rotating.

[0049] In a more specific embodiment, the sensing assembly 24 includes a first Hall sensor and a second Hall sensor, the matching piece 23 is provided with a magnetic piece, the matching piece 23 triggers the first Hall sensor when it is in the first working position, and triggers the second Hall sensor when it is in the second working position.

[0050] In one embodiment, the mounting frame 21 includes a base plate 212, a first side plate 213 and a second side plate 214, the first side plate 213 and the second side plate 214 are adjacently arranged, the first side plate 213 and the second side plate 214 are both vertically connected to the base plate 212, the driving member 221 is arranged on the first side plate 213, and the mating member 23 is arranged on the second side plate 214.

[0051] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0052] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent application. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A sample rack scheduling mechanism, characterized in that: The invention comprises a mounting frame, a moving component and a matching piece, wherein the moving component is arranged on the mounting frame, and the moving component comprises a driving piece and an eccentric piece, wherein the driving piece is mounted on the mounting frame, the eccentric piece is non-coaxially arranged with an output end of the driving piece, a mounting groove is provided on the matching piece, the eccentric piece can be slidably inserted in the mounting groove, and the mounting groove is in a runway shape; the driving piece is used for driving the matching piece to move between a first working position and a second working position through the eccentric piece, wherein in the first working position, the matching piece can form a match with the sample rack, and in the second working position, the matching piece can release the match with the sample rack.

2. The sample rack scheduling mechanism according to claim 1, characterized in that: The moving assembly further comprises a rolling member, the rolling member is rotatably connected to the sliding portion, and the rolling member is slidably disposed in the mounting groove.

3. The sample rack scheduling mechanism according to claim 1, characterized in that: The matching piece includes a matching portion and a sliding portion, the matching portion and the sliding portion are connected in a detachable manner, the matching portion is used to match with the sample rack, and the sliding portion is slidably connected to the mounting frame.

4. The sample rack scheduling mechanism according to claim 1, characterized in that: In the first working position, the matching piece can be inserted into the matching hole provided on the sample rack.

5. The sample rack scheduling mechanism according to claim 1, characterized in that: In the first working position, the matching piece is engaged with the sample rack.

6. The sample rack scheduling mechanism according to claim 1, characterized in that: In the first working position, the matching component is magnetically connected to the sample rack.

7. The sample rack scheduling mechanism according to any one of claims 1 to 6, characterized in that: The sample rack scheduling mechanism also includes a sensor component, which is arranged on the mounting frame and electrically connected to the driving member. The sensor component is used to sense the movement distance of the matching member to control the working process of the driving member.

8. The sample rack scheduling mechanism according to claim 7, characterized in that: The sensing assembly comprises a first through-beam sensor and a second through-beam sensor, the first through-beam sensor and the second through-beam sensor are arranged on the mounting frame at an interval, the matching piece is provided with a first baffle and a second baffle, the first baffle can enter the sensing slot of the first through-beam sensor when the matching piece is in the first working position, and the second baffle can enter the sensing slot of the second through-beam sensor when the matching piece is in the second working position; or The sensor assembly includes a first travel switch and a second travel switch, the first travel switch and the second travel switch are arranged on the mounting frame at an interval, the matching piece contacts the first travel switch when in the first working position, and contacts the second travel switch when in the second working position; or The sensing assembly includes a first Hall sensor and a second Hall sensor. The matching component is provided with a magnetic component. The matching component triggers the first Hall sensor when it is in the first working position, and triggers the second Hall sensor when it is in the second working position.

9. The sample rack scheduling mechanism according to claim 1, characterized in that: The mounting frame includes a base plate, a first side plate and a second side plate, the first side plate is adjacent to the second side plate, the first side plate and the second side plate are both vertically connected to the base plate, the driving member is arranged on the first side plate, and the matching member is slidably connected to the second side plate.

10. A sample analyzer, characterized in that: It comprises a detection mechanism, a transfer mechanism and a sample rack scheduling mechanism as described in any one of claims 1 to 9, wherein the transfer mechanism is connected to the sample rack scheduling mechanism, and the transfer mechanism is used to drive the sample rack scheduling mechanism to move to the detection mechanism after the matching piece is connected with the sample rack, and the detection mechanism is used to detect the sample in the sample tube.

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