An anti-overflow device for an enzyme-labeled plate washing machine

Abstract

The application discloses an enzyme-labeled plate washing machine anti-overflow device and belongs to the technical field of enzyme-labeled plate washing machines. The enzyme-labeled plate washing machine body is provided with a transversely-sliding enzyme-labeled plate placing rack, and a washing head is longitudinally arranged above the enzyme-labeled plate placing rack. The washing head comprises a washing seat, a washing piece and a liquid pumping piece. The washing seat comprises a plate cavity, the front side of the plate cavity is fixed with a sealing plate through bolts, the rear side of the sealing plate is fixed to a rear seat body, and the top surface of the rear seat body is provided with a pipe seat. The front side of the sealing plate is provided with a hanging seat. The washing piece comprises a liquid inlet pipe, an upper pipe valve and a lower pipe valve which are sequentially clamped to the inner side of the plate cavity from top to bottom. The enzyme-labeled plate washing machine anti-overflow device can accurately inject a quantitative detergent into the enzyme-labeled plate hole through a pneumatic mode, is not affected by pressure pump fluctuation and liquid outlet needle blockage, and can avoid mutual interference between hole positions caused by enzyme-labeled plate overflow liquid accumulation.

Description

TECHNICAL FIELD

[0001] The application relates to an anti-overflow device of an enzyme-labeled plate washing machine. BACKGROUND

[0002] The purpose of washing of the enzyme-labeled plate washing machine is to separate the antigen-antibody complex formed on the solid carrier from other excess free reaction substances in the liquid, that is, to remove the unbound antigen and impurities through washing, so that only specific antibodies are left on the solid carrier after washing; other immunoglobulins and impurities in the serum cannot be combined with the solid antigen, and are washed away in the washing process; for example, a kind of enzyme-labeled plate cleaning device is disclosed in Chinese patent No. CN214391372U, as shown in the figure, the cleaning device comprises a main machine provided with a control panel, an installation plate is arranged on the main machine and slidably connected with the main machine in the transverse direction, a washing head is arranged on the main machine above the installation plate and slidably connected with the main machine in the longitudinal direction, a plurality of liquid outlet needles arranged in a matrix are arranged on one side of the washing head, a liquid suction needle is arranged on the side of each liquid outlet needle, a washing liquid bottle for containing washing liquid and connected with the liquid outlet needles and a waste liquid bottle for containing waste liquid and connected with the liquid suction needles are arranged outside the main machine, and a peristaltic pump for providing power for the washing liquid and vacuum degree for the liquid suction needle is arranged in the main machine. Figure 1 When the existing enzyme-labeled plate washing machine is cleaned, the cleaning liquid needs to be pumped to the enzyme-labeled plate hole position by a pressure pump, one pressure pump is used for multiple hole positions, when the liquid outlet head is blocked or the pressure of the pressure pump fluctuates, the washing agent is prone to overflow from the hole position, thereby causing waste of the washing agent and easy pollution of other hole positions; when the water accumulation of the enzyme-labeled plate placing rack is too large, the enzyme-labeled plate is prone to be soaked, and the existing enzyme-labeled plate and enzyme-labeled plate placing rack are arranged in the form of edge fitting, when overflow occurs during the enzyme-labeled plate washing process, the overflow water is prone to accumulate on the enzyme-labeled plate placing rack and the enzyme-labeled plate, thereby causing cross contamination of the enzyme-labeled plate hole positions. SUMMARY

[0003] To solve the above problems, the application provides an anti-overflow device of an enzyme-labeled plate washing machine, which adopts a pneumatic mode, can accurately inject a certain amount of washing agent into the enzyme-labeled plate hole position, is not affected by the pressure pump fluctuation and liquid outlet needle blockage, and can avoid mutual interference between hole positions caused by overflow liquid accumulation of the enzyme-labeled plate.

[0004] The anti-overflow device of the enzyme-labeled plate washing machine comprises an enzyme-labeled plate washing machine body, a transversely-slidable enzyme-labeled plate placing rack is arranged on the enzyme-labeled plate washing machine body, and a longitudinally-slidable washing head is arranged above the enzyme-labeled plate placing rack.

[0005] The washing seat comprises a plate cavity, the front side of the plate cavity is fixed with a cover plate through bolts, the rear side of the cover plate is fixed to a rear seat body, the top surface of the rear seat body is provided with a pipe seat, and the front side of the cover plate is provided with a hanging seat.

[0006] The washing part comprises a liquid inlet pipe, an upper pipe valve and a lower pipe valve which are sequentially clamped on the inner side of the plate cavity from top to bottom; one end of the liquid inlet pipe is closed, the other end extends out of the plate cavity and extends to a washing liquid supply pump; the upper pipe valve and the lower pipe valve are arranged at two ends of the plate cavity; the top surface and the bottom surface of the upper pipe valve and the lower pipe valve are respectively provided with liquid inlet holes and liquid outlet holes; the liquid inlet hole of the upper pipe valve is connected to the liquid inlet pipe through a row of transition pipes; the liquid outlet hole of the upper pipe valve is connected to the liquid inlet hole of the lower pipe valve through a row of dosing pipes, and the liquid outlet hole of the lower pipe valve is connected with a liquid outlet needle; the liquid outlet needle is embedded out of the bottom surface of the plate cavity;

[0007] The liquid suction part comprises a main pipe which is closed at two ends and is fixed to the inner side of the plate cavity, the bottom surface of the plate cavity is provided with a row of liquid suction needles, the top surface of the liquid suction needle is communicated with the main pipe, the liquid suction needle is embedded out of the bottom surface of the plate cavity, and the middle part of the main pipe is provided with a liquid suction connector; the liquid suction connector is connected to a liquid suction mechanism.

[0008] When the washing liquid is supplied to the enzyme-labeled plate hole, the washing liquid in the washing liquid storage tank is pumped out by the washing liquid supply pump, then the washing liquid is pumped into the liquid inlet pipe through the washing liquid supply pump, then the washing liquid is sent into the upper pipe valve through the transition pipe, and then the washing liquid is pumped into the dosing pipe through the upper pipe valve, a certain amount of washing liquid is taken through the dosing pipe, and the taking process is as follows: the lower pipe valve is closed, the washing liquid supply pump pumps the washing liquid into the liquid inlet pipe, then the upper pipe valve is closed, at this time, the upper pipe valve and the lower pipe valve are both in a closed state, so that the dosing pipe obtains the washing liquid filled in the pipe; then the plate washing process is carried out, the lower pipe valve is opened, the washing liquid is pumped into a certain amount of washing liquid to the enzyme-labeled plate hole through the liquid outlet needle, and the liquid suction mechanism is actuated, the liquid suction mechanism provides a liquid suction pressure to the liquid suction connector, the liquid suction pressure provides a suction force to the liquid suction needle through the main pipe, so that the washing liquid in the hole is pumped out from the enzyme-labeled plate hole.

[0009] Further, the upper pipe valve and the lower pipe valve comprise hollow outer pipe segments at two ends, the inner side of the outer pipe segment is movably embedded with a core column; a row of liquid inlet holes and liquid outlet holes are oppositely arranged on the top surface and the bottom surface of the outer pipe segment; a row of through holes are arranged on the core column; the two ends of the outer pipe segment are integrally formed with a first pipe cavity and a second pipe cavity, the first pipe cavity and the second pipe cavity are integrally formed with a flange ring at the ends away from each other; the two ends of the core column are provided with stress discs; the two stress discs are arranged on the inner side of the first pipe cavity and the second pipe cavity respectively; the first pipe cavity and the second pipe cavity are provided with opening assemblies and closing assemblies; the through holes on the core column are aligned with the liquid inlet holes and the liquid outlet holes by linear sliding of the core column in the outer pipe segment, or the core column closes the liquid inlet holes and the liquid outlet holes, so that the upper pipe valve and the lower pipe valve can realize synchronous quantitative liquid inlet and liquid outlet.

[0010] Further, the opening assembly is a pneumatic drive mechanism; the closing assembly is a spring drive mechanism or a pneumatic drive mechanism.

[0011] Further, the pneumatic drive mechanism comprises a pneumatic connector screwed outside the first lumen or the second lumen, the pneumatic connector being connected to a pressure source; the pneumatic drive mechanism further comprises a sealing plug sleeved on the force receiving disc; the spring drive mechanism comprises a limiting shaft fixed at the center of the force receiving disc; the limiting shaft is externally sleeved with a reset spring body; when the opening assembly is not opened, the reset spring body automatically recovers to the uncompressed state, thereby the reset spring body applies force to the force receiving disc, and the through hole on the core column is misaligned with the liquid inlet hole and the liquid outlet hole; when the opening assembly is pneumatically opened, the electromagnetic valve is opened, the pressure source supplies gas to the pneumatic structure, and the gas pressure drives the force receiving disc to slide, thereby the limiting shaft at the end of the core column is fitted into the inner end of the first lumen or the second lumen; at this time, the through hole, the liquid inlet hole and the liquid outlet hole are aligned; normal liquid discharge can be achieved.

[0012] Further, the enzyme plate rack comprises an outer cavity, an inner cavity is arranged on the inner side of the outer cavity, and a wavy convex edge is arranged in the inner cavity; the depth of the outer cavity is greater than the depth of the inner cavity, the top surfaces of the outer cavity and the inner cavity are flush, and the outer cavity and the inner cavity are connected through a connecting block; a drain hole array is arranged on the bottom surface of the inner cavity; a drain pipe is arranged on the bottom of the outer cavity; the drain pipe is connected to a water pumping mechanism through a hose; the outer cavity can store water for a long time, and the water on the inner side of the outer cavity is pumped out intermittently through the water pumping mechanism; the inner cavity and the outer edge of the enzyme plate are clamped through the convex edge, and the top surface of the enzyme plate protrudes from the top surface of the inner cavity; when the enzyme plate overflows, the overflow can quickly pass through the drainage gap formed by the convex edge and the outer edge of the enzyme plate, and is quickly guided into the inner side of the outer cavity through the drain hole array; when the amount of overflow is large, the overflow can be quickly discharged to the outer cavity for storage through the flow channel formed by the outer cavity and the inner cavity.

[0013] Further, the washing seat is hung on the sliding end of the longitudinal sliding assembly through a hanging seat; the longitudinal sliding assembly can drive the washing seat to linearly ascend and descend.

[0014] Further, the liquid pumping needle and the liquid outlet needle are arranged side by side, and the gap between the two is the gap between the centers of two adjacent rows of holes of the enzyme plate.

[0015] The top of the dosing tube is embedded with an air cock, and the air cock is connected to a gas source through a pipeline; when the liquid outlet needle supplies liquid to the enzyme plate, the gas source punches pressure gas into the air cock through the pipeline, thereby improving the liquid outlet efficiency of the liquid outlet needle.

[0016] Compared with the prior art, the enzyme label plate washing machine anti-overflow device can accurately inject a quantitative detergent into the enzyme label plate hole position in a pneumatic manner, is not affected by pressure pump fluctuation and liquid outlet needle blockage, avoids detergent overflow from the enzyme label plate hole position, and when the enzyme label plate is washed with distilled water, the washing water can be quickly discharged into the enzyme label plate placing rack through the edge and bottom surface of the enzyme label plate. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The figure is a structure schematic diagram of the prior enzyme label plate washing plate machine.

[0018] Figure 2 The figure is a structure schematic diagram of the washing head.

[0019] Figure 3 The figure is a structure schematic diagram of the washing part.

[0020] Figure 4 The figure is a structure schematic diagram of the liquid pumping part.

[0021] Figure 5 The figure is a structure schematic diagram of the upper pipe valve.

[0022] Figure 6 The figure is a structure schematic diagram of the Figure 5 The figure is a structure schematic diagram of the local enlargement at A.

[0023] Figure 7 The figure is a structure schematic diagram of the Figure 5 The figure is a structure schematic diagram of the local enlargement at B.

[0024] Figure 8 The figure is a structure schematic diagram of the enzyme label plate placing rack.

[0025] The figure is a structure schematic diagram of the enzyme label plate placing rack. DETAILED DESCRIPTION

[0026] Example 1:

[0027] As Figures 2 to 8The enzyme-labeled plate washing machine anti-overflow device shown, including enzyme-labeled plate washing machine body, the enzyme-labeled plate washing machine body is provided with the enzyme-labeled plate placing rack of horizontal slip, the enzyme-labeled plate washing machine body is provided with the washing head of vertical slip above enzyme-labeled plate placing rack;The washing head includes

[0028] Washing seat, the washing seat includes plate cavity 1, the front side of plate cavity 1 is fixed with sealing plate 2 by bolt, the rear side of sealing plate 2 is fixed on rear seat body 3, the top surface of rear seat body 3 is provided with pipe seat 4;The front side of sealing plate 2 is provided with hanging seat 5;

[0029] Washing piece, the washing piece includes liquid inlet pipe 6, upper pipe valve 7 and lower pipe valve 8 that are sequentially clamped on the inner side of plate cavity 1 from top to bottom;The one end of liquid inlet pipe 6 is closed, the other end extends outside plate cavity 1 and extends to washing liquid supply pump;The two ends of upper pipe valve 7 and lower pipe valve 8 are provided outside plate cavity 1;The top surface and bottom surface of upper pipe valve 7 and lower pipe valve 8 are respectively provided with liquid inlet hole and liquid outlet hole;The liquid inlet hole of upper pipe valve 7 is connected to liquid inlet pipe 6 through a row of transition pipes 9;The liquid outlet hole of upper pipe valve 7 is connected to the liquid inlet hole of lower pipe valve 8 through a row of dosing pipes 10, and a row of liquid outlet needles 11 are connected to the liquid outlet hole of lower pipe valve 8;The liquid outlet needles 11 are embedded out of the bottom surface of plate cavity 1;

[0030] Liquid suction piece, the liquid suction piece includes main pipe 12 with two closed ends, the main pipe 12 is fixed on the inner side of plate cavity 1, the bottom surface of plate cavity 1 is provided with a row of liquid suction needles 13, the top surface of liquid suction needles 13 communicates with main pipe 12, the liquid suction needles 13 are embedded out of the bottom surface of plate cavity 1, and the middle part of main pipe 12 is provided with liquid suction connector 14;The liquid suction connector 14 is connected to liquid suction mechanism.

[0031] When the washing liquid is supplied to the enzyme-labeled plate hole, the washing liquid in the washing liquid storage tank is pumped out by the washing liquid supply pump, then the washing liquid is pumped into the liquid inlet pipe 6 by the washing liquid supply pump, then the washing liquid is sent into the upper pipe valve 7 through the transition pipe 9, and the washing liquid is pumped into the dosing pipe 10 through the upper pipe valve 7, a certain amount of washing liquid is taken through the dosing pipe 10, and the taking process is as follows: the lower pipe valve 8 is closed, the washing liquid supply pump pumps the washing liquid into the liquid inlet pipe 6, then the upper pipe valve 7 is closed, at this time, the upper pipe valve 7 and the lower pipe valve 8 are both in a closed state, so that the dosing pipe 10 obtains the full pipe of washing liquid;Then the plate washing process is carried out, the lower pipe valve 8 is opened, the washing liquid is pumped into a certain amount of washing liquid to the enzyme-labeled plate hole through the liquid outlet needle 11, and the liquid suction mechanism provides a liquid suction pressure to the liquid suction connector 14 through the action of the liquid suction mechanism, the liquid suction pressure provides a suction force to the liquid suction needle 13 through the main pipe, so that the washing liquid in the hole is pumped out from the enzyme-labeled plate hole.

[0032] The upper pipe valve 7 and the lower pipe valve 8 comprise hollow outer pipe segments 15 with core columns 17 movably embedded inside; the top and bottom surfaces of the outer pipe segments 15 are provided with a row of liquid inlet holes and liquid outlet holes; the core columns 17 are provided with a row of through holes 18; the two ends of the outer pipe segments 15 are integrally provided with first pipe cavities 19 and second pipe cavities 20, and the first pipe cavities 19 and the second pipe cavities 20 are integrally provided with flange rings 16 at the ends away from each other; the core columns 17 are provided with stress discs 21 at the two ends; the two stress discs 21 are respectively arranged inside the first pipe cavities 19 and the second pipe cavities 20; the first pipe cavities 19 and the second pipe cavities 20 are provided with opening assemblies and closing assemblies; the upper pipe valve 7 and the lower pipe valve 8 can realize synchronous quantitative liquid inlet and liquid outlet by linear sliding of the core columns 17 in the outer pipe segments 15, so that the through holes 18 on the core columns 17 are aligned with the liquid inlet holes and the liquid outlet holes, or the liquid inlet holes and the liquid outlet holes are closed by the core columns 17.

[0033] The opening assembly is a pneumatic driving mechanism, and the closing assembly is a spring driving mechanism or a pneumatic driving mechanism.

[0034] The pneumatic driving mechanism comprises a pneumatic connector 22 screwed outside the first pipe cavities 19 or the second pipe cavities 20, which is connected to a pressure gas source; the pneumatic driving mechanism further comprises a sealing plug 23 sleeved on the stress disc 21; the spring driving mechanism comprises a limiting shaft 24 fixed at the center of the stress disc 21; the limiting shaft 24 is externally sleeved with a reset spring body 25; when the opening assembly is not opened, the reset spring body 25 automatically recovers to the uncompressed state, so that the reset spring body 25 exerts force on the stress disc 21, and the through holes 18 on the core columns 17 are misaligned with the liquid inlet holes and the liquid outlet holes; when the opening assembly is pneumatically opened, the electromagnetic valve is opened, the pressure gas source supplies gas to the pneumatic structure, and the gas pressure drives the stress disc 21 to slide, so that the limiting shaft 24 at the end of the core column 17 is attached to the inner end of the first pipe cavity 19 or the second pipe cavity 20; at this time, the through holes 18, the liquid inlet holes and the liquid outlet holes are aligned; normal liquid outlet can be realized.

[0035] The enzyme-labeled plate rack comprises an outer cavity 26, an inner cavity 27 is arranged inside the outer cavity 26, and a wavy convex edge 28 is arranged inside the inner cavity 27; the depth of the outer cavity 26 is greater than the depth of the inner cavity 27, the top surfaces of the outer cavity 26 and the inner cavity 27 are flush, and the outer cavity 26 and the inner cavity 27 are connected through a connecting block 29; a drain hole array 30 is arranged on the bottom surface of the inner cavity 27; a drain pipe 31 is arranged on the bottom of the outer cavity 26; the drain pipe 31 is connected to a water pumping mechanism 32 through a hose; the outer cavity 26 can store water for a long time, and the water pumping mechanism 32 is intermittently started to pump out the overflow inside the outer cavity 26; the inner cavity 27 and the outer edge of the enzyme-labeled plate are clamped through the convex edge 28, and the top surface of the enzyme-labeled plate protrudes from the top surface of the inner cavity 27; when the enzyme-labeled plate overflows, the overflow can quickly pass through the drainage gap formed by the convex edge 28 and the outer edge of the enzyme-labeled plate, and is quickly guided into the inner side of the outer cavity 26 through the drain hole array 30; when the overflow is large, the overflow can be quickly drained into the outer cavity 26 for storage through the flow channel formed by the outer cavity 26 and the inner cavity 27.

[0036] The washing seat is hung on the sliding end of the longitudinal sliding assembly through the hanging seat 5; the longitudinal sliding assembly can drive the washing seat to linearly ascend and descend.

[0037] The liquid pumping needle 13 is arranged side by side with the liquid outlet needle 11, and the side-by-side gap is the center gap between two adjacent rows of hole positions of the enzyme-labeled plate.

[0038] The air nozzle is embedded and fixed on the top of the quantitative tube 10, the air nozzle is connected to the air source through a pipeline, when the liquid outlet needle 11 supplies liquid to the enzyme-labeled plate, the air source punches pressure gas into the air nozzle through the pipeline, and the liquid outlet efficiency of the liquid outlet needle 11 is improved.

[0039] The above embodiments are only preferred embodiments of the present application, so equivalent changes or modifications made according to the structure, features and principles described in the present application are included in the present application.

Claims

1. An enzyme-labeled plate washing machine overflow prevention device, comprising an enzyme-labeled plate washing machine body, a transversely sliding enzyme-labeled plate placing rack is arranged on the enzyme-labeled plate washing machine body, and a longitudinally sliding washing head is arranged above the enzyme-labeled plate placing rack; characterized in that: The washing head comprises: a washing seat comprising a plate cavity, a front side of the plate cavity being fixed with a cover plate by bolts, a rear side of the cover plate being fixed to a rear seat body, a top surface of the rear seat body being provided with a tube seat; a hanging seat being provided on a front side of the cover plate; a washing part comprising a liquid inlet pipe, an upper pipe valve and a lower pipe valve being sequentially clamped on an inner side of the plate cavity from top to bottom; one end of the liquid inlet pipe being closed, the other end extending out of the plate cavity and extending to a washing liquid supply pump; the upper pipe valve and the lower pipe valve being provided on both ends of the plate cavity; the top surface and the bottom surface of the upper pipe valve and the lower pipe valve being respectively provided with liquid inlet holes and liquid outlet holes; the liquid inlet hole of the upper pipe valve being connected to the liquid inlet pipe through a row of transition pipes; the liquid outlet hole of the upper pipe valve being connected to the liquid inlet hole of the lower pipe valve through a row of dosing pipes, the liquid outlet hole of the lower pipe valve being connected to a liquid outlet needle; the liquid outlet needle being embedded out of the bottom surface of the plate cavity; a liquid pumping part comprising a main pipe being closed at both ends, the main pipe being fixed to the inner side of the plate cavity, a row of liquid pumping needles being provided on the bottom surface of the plate cavity, the top surface of the liquid pumping needles being communicated with the main pipe, the liquid pumping needles being embedded out of the bottom surface of the plate cavity, a liquid pumping connector being provided in the middle of the main pipe; the liquid pumping connector being connected to a liquid pumping mechanism; the upper pipe valve and the lower pipe valve comprising hollow outer pipe segments at both ends, the inner side of the outer pipe segments being movably embedded with core columns; a row of liquid inlet holes and liquid outlet holes being provided on the top surface and the bottom surface of the outer pipe segments; a row of through holes being provided on the core columns; the outer pipe segments being integrally formed with first pipe cavities and second pipe cavities at both ends, the first pipe cavities and the second pipe cavities being integrally formed with flange rings at the ends away from each other; force receiving discs being provided at both ends of the core columns; the two force receiving discs being respectively provided on the inner side of the first pipe cavities and the second pipe cavities; opening assemblies and closing assemblies being provided on the first pipe cavities and the second pipe cavities; the enzyme-labeled plate rack comprising an outer cavity, an inner cavity being provided on the inner side of the outer cavity, a wave-shaped convex edge being provided inside the inner cavity; the depth of the outer cavity being greater than the depth of the inner cavity, the top surfaces of the outer cavity and the inner cavity being flush, the outer cavity and the inner cavity being connected through a connecting block; a row of drainage holes being provided on the bottom surface of the inner cavity; a drainage pipe being provided on the bottom of the outer cavity; the drainage pipe being connected to a water pumping mechanism through a hose.

2. The plate washer anti-spill device of claim 1, wherein: the opening assembly being a pneumatic driving mechanism; the closing assembly being a spring driving mechanism or a pneumatic driving mechanism.

3. The plate washer of claim 2, wherein: the pneumatic driving mechanism comprising a pneumatic connector being screwed from the outside of the first pipe cavity or the second pipe cavity, the pneumatic connector being connected to a pressure gas source; the pneumatic driving mechanism further comprising a sealing plug being sleeved on the force receiving disc; the spring driving mechanism comprising a limiting shaft being fixed at the center of the force receiving disc; a return spring body being sleeved on the outside of the limiting shaft.

4. The plate washer of claim 1, wherein: the washing seat being hung on the sliding end of the longitudinal sliding assembly through the hanging seat.

5. The plate washer of claim 1, wherein: the liquid pumping needles and the liquid outlet needles being arranged side by side.

6. The plate washer of claim 1, wherein: a gas nozzle being embedded and fixed on the top of the dosing pipe, the gas nozzle being connected to a gas source through a pipeline.

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