Cleaning device of full-automatic biochemical analyzer

Abstract

The utility model belongs to the technical field of biochemical analyzers, in particular to a cleaning device of a full-automatic biochemical analyzer, which comprises a lifting plate capable of freely moving along the vertical direction, a cleaning needle, a rotating disc, a moving block, a power mechanism and a manual bolt, a round hole is formed in the lifting plate, the rotating disc is rotationally installed in the round hole, the power mechanism is fixed to the lifting plate and used for driving the rotating disc to rotate back and forth in the horizontal plane, and a kidney-shaped hole is formed in the rotating disc. The power mechanism is arranged to drive the rotating disc to rotate back and forth in the horizontal plane, the cleaning needle is eccentrically arranged and adjustable in position to adapt to the reaction cups with different diameters, meanwhile, it is guaranteed that the sponge lining reliably makes contact with the inner walls of the reaction cups, and the cleaning efficiency is improved; by arranging the balance spring, the cleaning needle can move by a certain distance in the vertical direction, it is guaranteed that the cleaning needle can make contact with the inner bottom face of the reaction cup more safely, and cleaning is more sufficient.

Description

Technical Field

[0001] The utility model belongs to the technical field of biochemical analyzers, and in particular relates to a cleaning device for a full-automatic biochemical analyzer. Background Art

[0002] During the operation of the biochemical analyzer, various reagents need to be added to the reaction cup for reaction in order to perform detection. After the detection is completed, the reaction cup needs to be cleaned in time for the convenience of the next round of use.

[0003] In the prior art, a Chinese utility model patent with authorization announcement number cN219785919U discloses "a high-speed biochemical analyzer reaction cup cleaning arm", which includes: a base, a driving device, a lifting mechanism and a needle placement seat, wherein the driving device is used to drive the lifting mechanism to move, the lifting mechanism is connected to the needle placement seat, the needle placement seat includes an outer ring bracket, an inner ring bracket and a bottom plate, the outer ring bracket and the inner ring bracket are fixedly connected to the bottom plate, the outer ring bracket and the inner ring bracket are both connected to a cleaning needle assembly, and the lifting mechanism drives the cleaning needle assembly to move to clean the reaction cup.

[0004] Although the reaction cup cleaning arm of the prior art can clean the reaction cup, in actual use, the cleaning needle only moves in the vertical direction. Because the diameter of the cleaning needle is smaller than the diameter of the reaction cup, it is difficult for the cleaning needle to fully contact the inner wall of the reaction cup, the cleaning range is insufficient, and it is impossible to ensure that the reaction cup is fully cleaned.

[0005] In order to solve the above problems, the present application proposes a cleaning device for a fully automatic biochemical analyzer. Utility Model Content

[0006] In order to solve the above problems existing in the prior art, the utility model provides a cleaning device for a fully automatic biochemical analyzer, which has the characteristics of easy use and high cleaning efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cleaning device for a fully automatic biochemical analyzer, comprising a lifting plate and a cleaning needle that can move freely in the vertical direction, a sponge bushing is fixed at the bottom end of the outer side surface of the cleaning needle, and also comprises a rotating disk, a moving block, a power mechanism and a manual bolt;

[0008] A circular hole is provided on the lifting plate, the rotating disk is rotatably installed in the circular hole, the power mechanism is fixed on the lifting plate to drive the rotating disk to reciprocate in a horizontal plane, a waist-shaped hole is provided on the rotating disk, the moving block is movably installed in the waist-shaped hole, the cleaning needle is installed on the moving block, and a wing plate is fixed on the moving block, and the manual bolt is installed on the wing plate by threaded engagement.

[0009] Preferably, it further comprises an L-shaped fixing frame and a vertical cylinder, wherein the L-shaped fixing frame is fixed on the fully automatic biochemical analyzer, the vertical cylinder is fixed on the L-shaped fixing frame, and the piston rod of the vertical cylinder is fixedly connected to the lifting plate.

[0010] Preferably, two symmetrically distributed guide columns are fixed on the bottom surface of the lifting plate, and the bottom ends of the guide columns are embedded in the L-shaped fixing frame to form a telescopic structure.

[0011] Preferably, it also includes a fixed disk, a movable disk, a support column and a balance spring, a plurality of the support columns are fixed on the movable block at equal intervals in the circumferential direction, the fixed disk is fixed on the top of the support column, the movable disk is located below the fixed disk and the support column passes through the movable disk, the cleaning needle passes through the fixed disk, the movable disk and the movable block and is fixed on the movable disk, and balance springs mounted on the support columns are distributed between the fixed disk and the movable disk and between the movable disk and the movable block.

[0012] Preferably, the power mechanism includes a servo motor, a rotating arm, a swing arm, a fixed rod and a rotating shaft, the fixed rod is fixed at an eccentric position of the rotating disk, one end of the swing arm is rotatably connected to the fixed rod, and the other end is rotatably connected to the rotating arm via a rotating shaft, the servo motor is fixed on the lifting plate, and the rotating arm is fixed on the output shaft of the servo motor.

[0013] Preferably, a second annular groove is provided on the outer wall of the rotating disk, a first annular groove is provided on the inner wall of the circular hole, and a plurality of balls are provided between the first annular groove and the second annular groove and are distributed at equal intervals along the circumferential direction.

[0014] Preferably, the outer wall of the moving block fits the inner wall of the waist-shaped hole, and a positioning groove for the manual bolt to be embedded is opened on the rotating disk.

[0015] Preferably, there are three support columns distributed at equal intervals along the circumferential direction.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] (1) In the utility model, the power mechanism is provided to drive the rotating disk to reciprocate in the horizontal plane, and the cleaning needle is eccentrically arranged and the position is adjustable to adapt to reaction cups of different diameters, while ensuring that the sponge bushing reliably contacts the inner wall of the reaction cup, thereby improving the cleaning efficiency;

[0018] (2) In the present invention, the balancing spring is provided so that the cleaning needle can be displaced a certain distance in the vertical direction, thereby ensuring that the cleaning needle can more safely contact the inner bottom surface of the reaction cup and clean more fully.

[0019] Other additional advantages and beneficial effects of the present application will be given in part in the following description, and in part will become apparent from the following description, or will be understood through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the axonometric structure of the moving block in the utility model;

[0023] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of the power mechanism in FIG.

[0024] Figure 4 For this utility model Figure 1 A is an enlarged structural diagram;

[0025] Figure 5 It is a schematic diagram of the partial cross-sectional structure of the lifting plate in the utility model.

[0026] In the figure: 1. lifting plate; 101. round hole; 102. guide column; 103. first annular groove; 2. cleaning needle; 3. sponge bushing; 4. rotating disk; 401. waist-shaped hole; 402. positioning groove; 403. second annular groove; 5. moving block; 501. wing plate; 6. power mechanism; 601. servo motor; 602. rotating arm; 603. swing arm; 604. fixing rod; 605. rotating shaft; 7. L-shaped fixing frame; 8. vertical cylinder; 9. fixed disk; 10. movable disk; 11. support column; 12. balance spring; 13. manual bolt; 14. ball bearing. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-Figure 5 , the utility model provides the following technical solutions: a cleaning device for a fully automatic biochemical analyzer, comprising a lifting plate 1 and a cleaning needle 2 that can move freely in the vertical direction, a sponge bushing 3 is fixed to the bottom end of the outer side of the cleaning needle 2, and also comprises a rotating disk 4, a moving block 5, a power mechanism 6 and a manual bolt 13;

[0029] Depend on Figure 1 , Figure 2 and Figure 4 As shown, a circular hole 101 is provided on the lifting plate 1, and the rotating disk 4 is rotatably installed in the circular hole 101. The power mechanism 6 is fixed on the lifting plate 1 to drive the rotating disk 4 to reciprocate in the horizontal plane. A waist-shaped hole 401 is provided on the rotating disk 4, and the moving block 5 is movably installed in the waist-shaped hole 401. The cleaning needle 2 is installed on the moving block 5, and a wing plate 501 is fixed on the moving block 5. The manual bolt 13 is installed on the wing plate 501 by screwing. Therefore, when in use, the lifting plate 1 is set in the fully automatic On the biochemical analyzer, according to the size of the reaction cup, the manual bolt 13 is loosened, and the position of the moving block 5 is adjusted to adjust the position of the cleaning needle 2 to adapt to reaction cups of different diameters. At the same time, the sponge bushing 3 is ensured to reliably contact the inner wall of the reaction cup. The cleaning needle 2 is driven downward by the lifting plate 1 to move downward and extend into the reaction cup. Cleaning water is injected by the cleaning needle 2, and the power mechanism 6 drives the rotating disk 4 to reciprocate in the horizontal plane, driving the cleaning needle 2 to make a circular motion, and the sponge bushing 3 is used to scrub the inner wall of the reaction cup.

[0030] Depend on Figure 1 As shown, it also includes an L-shaped fixing frame 7 and a vertical cylinder 8. The L-shaped fixing frame 7 is fixed on the fully automatic biochemical analyzer, and the vertical cylinder 8 is fixed on the L-shaped fixing frame 7. The piston rod of the vertical cylinder 8 is fixedly connected to the lifting plate 1. The vertical cylinder 8 provides power for the lifting plate 1 to move in the vertical direction.

[0031] Depend on Figure 1 As shown, two symmetrically distributed guide columns 102 are fixed on the bottom surface of the lifting plate 1, and the bottom ends of the guide columns 102 are embedded in the L-shaped fixing frame 7 to form a telescopic structure for guiding the lifting plate 1 to improve the stability of the lifting plate 1.

[0032] Depend on Figure 1 and Figure 2As shown, it also includes a fixed disk 9, a movable disk 10, a support column 11 and a balance spring 12. A plurality of support columns 11 are fixed on the movable block 5 at equal intervals along the circumferential direction. The fixed disk 9 is fixed to the top of the support column 11. The movable disk 10 is located below the fixed disk 9 and the support column 11 passes through the movable disk 10. The cleaning needle 2 passes through the fixed disk 9, the movable disk 10 and the movable block 5 and is fixed on the movable disk 10. Balance springs 12 sleeved on the support column 11 are distributed between the fixed disk 9 and the movable disk 10 and between the movable disk 10 and the movable block 5. When the cleaning needle 2 contacts the inner bottom surface of the reaction cup, the cleaning needle 2 does not move, and the lifting plate 1 can continue to move downward for a certain distance to move the fixed disk 9 downward. The balance spring 12 produces elastic deformation to ensure that the cleaning needle 2 can contact the inner bottom surface of the reaction cup more safely and clean more fully.

[0033] Depend on Figure 1 and Figure 3 As shown, the power mechanism 6 includes a servo motor 601, a rotating arm 602, a swing arm 603, a fixed rod 604 and a rotating shaft 605. The fixed rod 604 is fixed at an eccentric position of the rotating disk 4. One end of the swing arm 603 is rotatably connected to the fixed rod 604, and the other end is rotatably connected to the rotating arm 602 via the rotating shaft 605. The servo motor 601 is fixed on the lifting plate 1, and the rotating arm 602 is fixed on the output shaft of the servo motor 601. The servo motor 601 is started to drive the rotating arm 602 to rotate, and the rotating arm 602 drives the swing arm 603 to swing continuously, and the swing arm 603 drives the rotating disk 4 to rotate back and forth continuously through the fixed rod 604.

[0034] Depend on Figure 1 and Figure 5 As shown, a second annular groove 403 is provided on the outer wall of the rotating disk 4, a first annular groove 103 is provided on the inner wall of the circular hole 101, and a plurality of balls 14 are provided between the first annular groove 103 and the second annular groove 403 and are evenly spaced along the circumferential direction, so as to improve the stability of the rotating disk 4 and reduce the friction between the rotating disk 4 and the circular hole 101.

[0035] Depend on Figure 1 and Figure 4 As shown, the outer wall of the moving block 5 fits the inner wall of the waist-shaped hole 401, and a positioning groove 402 for the manual bolt 13 to be embedded is opened on the rotating disk 4 to ensure the stability of the moving block 5 and prevent the moving block 5 from shaking horizontally.

[0036] Depend on Figure 1 and Figure 2 As shown, there are three support columns 11 distributed at equal intervals along the circumferential direction, which ensure the stability of the fixed disk 9 and the movable disk 10, and at the same time ensure the stability of the installation of the cleaning needle 2.

[0037] Working principle and use process of the utility model: When the cleaning device of the fully automatic biochemical analyzer of the utility model is used, the lifting plate 1 is set on the fully automatic biochemical analyzer, and according to the size of the reaction cup, the manual bolt 13 is loosened, and the position of the moving block 5 is adjusted to adjust the position of the cleaning needle 2 to adapt to reaction cups of different diameters, while ensuring that the sponge bushing 3 reliably contacts the inner wall of the reaction cup;

[0038] Start the vertical cylinder 8, and drive the cleaning needle 2 to move downward and extend into the reaction cup by moving the lifting plate 1 downward. When the cleaning needle 2 contacts the inner bottom surface of the reaction cup, the cleaning needle 2 does not move, and the lifting plate 1 can continue to move downward for a certain distance, so that the fixed plate 9 moves downward, and the balance spring 12 produces elastic deformation, ensuring that the cleaning needle 2 can contact the inner bottom surface of the reaction cup more safely, and the cleaning is more complete;

[0039] Cleaning water is injected from the cleaning needle 2, and the servo motor 601 is started to drive the rotating arm 602 to rotate. The rotating arm 602 drives the swing arm 603 to swing continuously. The swing arm 603 drives the rotating disk 4 to rotate back and forth continuously through the fixed rod 604, driving the cleaning needle 2 to make a circular motion, and the sponge bushing 3 is used to scrub the inner wall of the reaction cup.

[0040] It should be noted that the servo motor 601 and the vertical cylinder 8 are both conventional commercially available equipment with built-in power switches. Technical personnel in this field can make routine selections according to usage requirements. Their working principles are common knowledge known to technical personnel in this field and have been fully disclosed by the prior art, so they will not be elaborated in this article.

[0041] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A cleaning device for a fully automatic biochemical analyzer, comprising a lifting plate (1) that can move freely in a vertical direction and a cleaning needle (2), a sponge bushing (3) being fixed at the bottom end of the outer side surface of the cleaning needle (2), characterized in that: It also includes a rotating disk (4), a moving block (5), a power mechanism (6) and a manual bolt (13); A circular hole (101) is provided on the lifting plate (1), the rotating disk (4) is rotatably mounted in the circular hole (101), the power mechanism (6) is fixed on the lifting plate (1) and is used to drive the rotating disk (4) to reciprocate in a horizontal plane, a waist-shaped hole (401) is provided on the rotating disk (4), the moving block (5) is movably mounted in the waist-shaped hole (401), the cleaning needle (2) is mounted on the moving block (5), and a wing plate (501) is fixed on the moving block (5), and the manual bolt (13) is mounted on the wing plate (501) by means of threaded engagement.

2. The cleaning device for a fully automatic biochemical analyzer according to claim 1, characterized in that: It also comprises an L-shaped fixing frame (7) and a vertical cylinder (8), wherein the L-shaped fixing frame (7) is fixed on the fully automatic biochemical analyzer, the vertical cylinder (8) is fixed on the L-shaped fixing frame (7), and the piston rod of the vertical cylinder (8) is fixedly connected to the lifting plate (1).

3. The cleaning device for a fully automatic biochemical analyzer according to claim 2, characterized in that: Two symmetrically distributed guide columns (102) are fixed on the bottom surface of the lifting plate (1), and the bottom ends of the guide columns (102) are embedded in the L-shaped fixing frame (7) to form a telescopic structure.

4. The cleaning device for a fully automatic biochemical analyzer according to claim 1, characterized in that: It also includes a fixed disk (9), a movable disk (10), a support column (11) and a balance spring (12), wherein a plurality of the support columns (11) are fixed on the movable block (5) at equal intervals in the circumferential direction, the fixed disk (9) is fixed at the top of the support column (11), the movable disk (10) is located below the fixed disk (9) and the support column (11) passes through the movable disk (10), the cleaning needle (2) passes through the fixed disk (9), the movable disk (10) and the movable block (5) and is fixed on the movable disk (10), and balance springs (12) sleeved on the support columns (11) are distributed between the fixed disk (9) and the movable disk (10) and between the movable disk (10) and the movable block (5).

5. The cleaning device for a fully automatic biochemical analyzer according to claim 1, characterized in that: The power mechanism (6) comprises a servo motor (601), a rotating arm (602), a swing arm (603), a fixed rod (604) and a rotating shaft (605); the fixed rod (604) is fixed at an eccentric position of the rotating disk (4); one end of the swing arm (603) is rotatably connected to the fixed rod (604), and the other end is rotatably connected to the rotating arm (602) via the rotating shaft (605); the servo motor (601) is fixed on the lifting plate (1), and the rotating arm (602) is fixed on the output shaft of the servo motor (601).

6. The cleaning device for a fully automatic biochemical analyzer according to claim 1, characterized in that: A second annular groove (403) is provided on the outer wall of the rotating disk (4), a first annular groove (103) is provided on the inner wall of the circular hole (101), and a plurality of balls (14) are provided between the first annular groove (103) and the second annular groove (403) and are distributed at equal intervals in the circumferential direction.

7. The cleaning device for a fully automatic biochemical analyzer according to claim 1, characterized in that: The outer wall of the moving block (5) fits the inner wall of the waist-shaped hole (401), and a positioning groove (402) for the manual bolt (13) to be embedded is provided on the rotating disk (4).

8. The cleaning device for a fully automatic biochemical analyzer according to claim 4, characterized in that: The support columns (11) are three and are evenly spaced along the circumferential direction.

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