Liquid sample diluter

Abstract

The utility model relates to the technical field of medical instruments, in particular to a liquid sample diluter, which not only can dilute a sample in a whole plate manner, omits the trouble of frequently placing test tubes, improves the working efficiency, but also can seal the sample and prevent the sample from spilling out when the sample and normal saline are mixed. Comprising a control mechanism; the device further comprises a rotating mechanism, a fixing mechanism, a liquid adding mechanism, a conveying mechanism and a sealing mechanism, the rotating mechanism is installed on the control mechanism and drives samples to be mixed, the fixing mechanism is installed on the rotating mechanism and facilitates sample fixing, and the liquid adding mechanism is installed on the control mechanism and adds normal saline into the samples. The conveying mechanism is mounted on the liquid adding mechanism and conveys normal saline into the liquid adding mechanism, and the sealing mechanism is mounted on the control mechanism and seals a diluted sample.

Description

Technical Field

[0001] The utility model relates to the technical field of medical equipment, in particular to a liquid sample diluter. Background Art

[0002] The laboratory department is responsible for testing various human and animal specimens for wards, outpatient and emergency patients, various physical examinations, and scientific research every day. In the daily inspections of the laboratory department, the dilution test of the objects to be tested is often regarded as a very important work activity. The dilution effect of the objects to be tested will directly determine the subsequent research.

[0003] Existing liquid sample diluters, such as the utility model patent with application number 201921856018.6, disclose an automatic liquid sample dilution device for a hospital laboratory, whose main structure includes a base, an arm and a platform, a column is rotatably connected to the upper surface of the base, a gear is fixedly connected to the column, a turntable is fixedly connected to the top of the column, a sample storage slot is provided on the upper surface of the turntable, a weight sensor is provided at the bottom of the sample storage slot, and a transmission device is provided on one side of the column; when in use, the power is turned on, the liquid sample to be diluted is placed in the sample storage slot, the hydraulic pump is started to raise the column, the test tube mouth of the sample storage slot is close to the micro faucet, and the flow The amount of diluent to be added is set by the amount setting button, the weight sensor transmits the signal to the signal receiver, the liquid supply pump starts working, the diluent flows out from the micro tap corresponding to the liquid sample, and dilutes the liquid sample. When the flow sensor value is the same as the set value, the solenoid valve is immediately closed, the liquid supply pump stops working, and the motor starts working. The motor rotates clockwise, and the first slider moves left and right through the first connecting rod and the second connecting rod. The left and right movement of the first slider drives the rack to move left and right, and the left and right movement of the rack drives the gear to rotate alternately forward and reverse. The alternating forward and reverse rotation of the gear drives the turntable to rotate alternately forward and reverse, so that the liquid sample in the sample storage tank is evenly mixed.

[0004] However, existing diluters are not convenient for large-scale transfers and require workers to place test tube samples one by one, which is very troublesome. In addition, samples can easily spill during the vibration process, resulting in sample loss. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a liquid sample diluter which can not only dilute the sample on the whole plate, thus eliminating the trouble of frequently placing test tubes and improving work efficiency, but also seals the sample when mixing it with physiological saline to prevent the sample from spilling.

[0006] The utility model discloses a liquid sample diluter, comprising a control mechanism, a rotating mechanism, a fixing mechanism, a liquid adding mechanism, a conveying mechanism and a sealing mechanism. The rotating mechanism is installed on the control mechanism and drives the sample to be mixed. The fixing mechanism is installed on the rotating mechanism and conveniently fixes the sample. The liquid adding mechanism is installed on the control mechanism and adds physiological saline into the sample. The conveying mechanism is installed on the liquid adding mechanism and conveys the physiological saline into the liquid adding mechanism. The sealing mechanism is installed on the control mechanism and seals the diluted sample. The whole plate of sample test tubes is placed in the fixing mechanism, which is fixed by the fixing mechanism. Then the conveying mechanism is started, which conveys the physiological saline into the liquid adding mechanism. The liquid adding mechanism quantitatively adds the physiological saline into the sample for dilution. Then the sealing mechanism is started to cover the sample to prevent the sample from spilling out during the rotation process. Then the rotating mechanism drives the fixing mechanism and the sample to rotate, so that the physiological saline and the sample liquid are mixed.

[0007] Preferably, the control mechanism includes a workbench, a top plate and a controller. The workbench is installed on the ground, the bottom end of the top plate is connected to the top end of the workbench, and the bottom end of the controller is connected to the top end of the workbench. The staff controls the filling of saline, the sealing of the sample and the rotation of the rotating mechanism through the controller.

[0008] Preferably, the rotating mechanism includes a motor, a reducer, a turntable and a support column. The motor is installed on the workbench, the reducer is installed on the workbench, the turntable is rotatably installed on the top of the workbench and is longitudinally connected to the reducer, and the bottom end of the support column is connected to the top of the turntable; when the conveying mechanism cover is installed on the sample, the motor is started, the motor drives the turntable to rotate through the reducer, the turntable drives the support column to rotate, and the support column drives the fixing mechanism and the sample to rotate, so that the sample and saline are evenly mixed.

[0009] Preferably, the fixing mechanism includes a fixing frame, two sets of slide rails, two sets of card plates, two sets of pull rings and two sets of fixing columns. The bottom end of the fixing frame is connected to the top end of the supporting column. The two sets of slide rails are installed on the fixing frame. The two sets of card plates are respectively slidably installed on the two sets of slide rails. The two sets of pull rings are respectively installed on the two sets of card plates. The two sets of fixing columns are respectively installed on the two sets of slide rails. After placing the entire sample plate in the fixing frame, the staff pulls the card plate through the pull ring so that the card plate clamps the sample and fixes the sample in the fixing frame. Then, the card plate is fixed by the fixing column to prevent the card plate from slipping away during the rotation of the fixing frame.

[0010] Preferably, the liquid adding mechanism includes an electric cylinder, four groups of guide rods, a water divider, multiple groups of filling pipes and multiple groups of solenoid valves. The top of the electric cylinder is connected to the bottom of the top plate, the top of the four groups of guide rods are connected to the bottom of the top plate, the top of the water divider is connected to the bottom of the electric cylinder, the multiple groups of filling pipes are installed on the water divider and communicate with the interior of the water divider, and the multiple groups of solenoid valves are respectively installed on the multiple groups of filling pipes. The staff sets the volume of saline solution to be added this time through the controller, and then the electric cylinder pushes the water divider down to prevent the saline solution from spilling outside the sample. The water divider is prevented from deflecting by setting four groups of guide rods, and then the solenoid valve is opened, and the saline solution enters the multiple groups of filling pipes from the water divider, and then is added to the sample to dilute the sample. When a certain capacity is filled, the solenoid valve automatically closes, and the electric cylinder drives the water divider to reset.

[0011] Preferably, the conveying mechanism includes a water pump, a water suction pipe and a water delivery pipe. The water pump is installed on a workbench and is connected to the reducer for transmission. The water suction pipe is installed on the water pump and is connected to an external water source. The water delivery pipe is installed on the water suction pipe and is connected to the inside of the water distributor. The reducer drives the water pump to pump water, the water pump is connected to the external water source, and the water pump draws out the physiological saline through the water suction pipe, and then delivers it to the water distributor through the water delivery pipe.

[0012] Preferably, the sealing mechanism includes a servo motor, a transmission shaft, a telescopic rod, a rotating shaft and a sealing cover, the bottom end of the servo motor is connected to the top end of the top plate, the transmission shaft is rotatably mounted on the top plate and is transmission-connected to the servo motor, the telescopic rod is mounted on the transmission shaft, the rotating shaft is rotatably mounted on the telescopic rod, and the sealing cover is mounted on the rotating shaft; start the servo motor, the servo motor drives the transmission shaft to rotate, the transmission shaft drives the telescopic rod to rotate, the telescopic rod drives the rotating shaft and the sealing cover to move to just above the fixed frame, and after the sealing cover and the fixed frame are buckled, the sealing cover rotates with the fixed frame to prevent the sample from spilling out during rotation.

[0013] Compared with the prior art, the utility model has the following beneficial effects: placing the entire plate of sample test tubes in a fixing mechanism, fixing the sample tubes by the fixing mechanism, and then starting the conveying mechanism, which conveys the physiological saline to the liquid adding mechanism, which adds the physiological saline into the sample in a quantitative manner for dilution, and then starting the sealing mechanism to cover the sample to prevent the sample from spilling out during the rotation process, and then the rotating mechanism drives the fixing mechanism and the sample to rotate, so that the physiological saline and the sample liquid are mixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the axonometric structure of the utility model;

[0015] Figure 2 It is a schematic diagram of the axonometric structure of the control mechanism of the utility model;

[0016] Figure 3It is a front view structural diagram of the rotating mechanism, the fixing mechanism and the liquid adding mechanism of the utility model;

[0017] Figure 4 It is a partially enlarged axonometric structural diagram of the fixing mechanism of the utility model;

[0018] Figure 5 It is an axonometric structural diagram of the conveying mechanism and the sealing mechanism of the utility model.

[0019] Markings in the attached drawings: 01, control mechanism; 11, workbench; 12, top plate; 13, controller; 02, rotating mechanism; 21, motor; 22, reducer; 23, turntable; 24, support column; 03, fixing mechanism; 31, fixing frame; 32, slide rail; 33, clamping plate; 34, pull ring; 35, fixing column; 04, liquid adding mechanism; 41, electric cylinder; 42, guide rod; 43, water distributor; 44, filling pipe; 45, solenoid valve; 05, conveying mechanism; 51, water pump; 52, water extraction pipe; 53, water delivery pipe; 06, sealing mechanism; 61, servo motor; 62, transmission shaft; 63, telescopic rod; 64, rotating shaft; 65, sealing cover. DETAILED DESCRIPTION

[0020] In order to facilitate the understanding of the utility model, the utility model will be described more comprehensively below with reference to the relevant drawings. The utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] Example 1

[0022] The utility model discloses a liquid sample diluter, comprising a control mechanism 01; a rotating mechanism 02, a fixing mechanism 03, a liquid adding mechanism 04, a conveying mechanism 05 and a sealing mechanism 06. The rotating mechanism 02 is mounted on the control mechanism 01 and drives the sample to be mixed. The fixing mechanism 03 is mounted on the rotating mechanism 02 and conveniently fixes the sample. The liquid adding mechanism 04 is mounted on the control mechanism 01 and adds physiological saline to the sample. The conveying mechanism 05 is mounted on the liquid adding mechanism 04 and conveys the physiological saline to the liquid adding mechanism 04. The sealing mechanism 06 is mounted on the control mechanism 01 and seals the sample. The sample is sealed after the sample is sealed; the control mechanism 01 includes a workbench 11, a top plate 12 and a controller 13. The workbench 11 is installed on the ground, the bottom end of the top plate 12 is connected to the top of the workbench 11, and the bottom end of the controller 13 is connected to the top of the workbench 11; the rotating mechanism 02 includes a motor 21, a reducer 22, a turntable 23 and a support column 24. The motor 21 is installed on the workbench 11, the reducer 22 is installed on the workbench 11, the turntable 23 is rotatably installed on the top of the workbench 11 and is longitudinally connected to the reducer 22, and the bottom end of the support column 24 is connected to the top of the turntable 23; fixed Mechanism 03 includes a fixed frame 31, two sets of slide rails 32, two sets of card plates 33, two sets of pull rings 34 and two sets of fixed columns 35. The bottom end of the fixed frame 31 is connected to the top end of the support column 24. The two sets of slide rails 32 are installed on the fixed frame 31. The two sets of card plates 33 are slidably installed on the two sets of slide rails 32 respectively. The two sets of pull rings 34 are installed on the two sets of card plates 33 respectively. The two sets of fixed columns 35 are installed on the two sets of slide rails 32 respectively; the liquid adding mechanism 04 includes an electric cylinder 41, four sets of guide rods 42, a water distributor 43, multiple sets of filling pipes 44 and multiple sets of solenoid valves 45. The top end of the electric cylinder 41 is connected to the top plate 12. The top of the four groups of guide rods 42 are connected to the bottom of the top plate 12, the top of the water distributor 43 is connected to the bottom of the electric cylinder 41, multiple groups of filling pipes 44 are installed on the water distributor 43 and communicated with the inside of the water distributor 43, and multiple groups of solenoid valves 45 are respectively installed on the multiple groups of filling pipes 44; the conveying mechanism 05 includes a water pump 51, a water extraction pipe 52 and a water delivery pipe 53, the water pump 51 is installed on the workbench 11 and is connected to the reducer 22, the water extraction pipe 52 is installed on the water pump 51 and connected to the external water source, and the water delivery pipe 53 is installed on the water extraction pipe 52 and communicated with the inside of the water distributor 43;When it is working, first, after placing the whole sample plate in the fixed frame 31, the staff pulls the card plate 33 through the pull ring 34 to make the card plate 33 clamp the sample and fix the sample in the fixed frame 31, and then fixes the card plate 33 through the fixing column 35 to prevent the card plate 33 from sliding off during the rotation of the fixed frame 31. The staff sets the volume of physiological saline that needs to be added this time through the controller 13, and the reducer 22 drives the water pump 51 to pump water. The water pump 51 is connected to the external water source. The water pump 51 pumps out the physiological saline through the pumping pipe 52, and then transports it to the water distributor 43 through the water pipe 53, and then the electric cylinder 41 pushes the water distributor 43 down. The water separator 43 is prevented from being deflected by setting four sets of guide rods 42, and then the electromagnetic valve 45 is opened, and the physiological saline enters the multiple sets of filling tubes 44 from the water separator 43, and then is filled into the sample to dilute the sample. When a certain volume is filled, the electromagnetic valve 45 is automatically closed, and the electric cylinder 41 drives the water separator 43 to reset. When the sealing mechanism 06 cover is installed on the sample, the motor 21 is started, and the motor 21 drives the turntable 23 to rotate through the reducer 22, and the turntable 23 drives the support column 24 to rotate, and the support column 24 drives the fixing mechanism 03 and the sample to rotate, so that the sample and the physiological saline are evenly mixed. ;

[0023] Example 2

[0024] like Figures 1 to 5As shown, a liquid sample diluter of the utility model is based on the embodiment 1; the sealing mechanism 06 includes a servo motor 61, a transmission shaft 62, a telescopic rod 63, a rotating shaft 64 and a sealing cover 65, the bottom end of the servo motor 61 is connected to the top end of the top plate 12, the transmission shaft 62 is rotatably mounted on the top plate 12 and is transmission-connected to the servo motor 61, the telescopic rod 63 is mounted on the transmission shaft 62, the rotating shaft 64 is rotatably mounted on the telescopic rod 63, and the sealing cover 65 is mounted on the rotating shaft 64; when it is working, first, After placing the whole sample plate in the fixed frame 31, the staff pulls the card plate 33 through the pull ring 34 to make the card plate 33 clamp the sample and fix the sample in the fixed frame 31, and then fixes the card plate 33 through the fixing column 35 to prevent the card plate 33 from sliding off during the rotation of the fixed frame 31. The staff sets the volume of physiological saline to be added this time through the controller 13, and the reducer 22 drives the water pump 51 to pump water. The water pump 51 is connected to the external water source, and the water pump 51 pumps out the physiological saline through the pumping pipe 52, and then passes through the pumping pipe 52. The saline is transported to the water distributor 43 through the water delivery pipe 53, and then the electric cylinder 41 pushes the water distributor 43 down to prevent the saline from spilling outside the sample. The water distributor 43 is prevented from deflecting by setting four groups of guide rods 42. Then the solenoid valve 45 is opened, and the saline enters the multiple groups of filling pipes 44 from the water distributor 43, and then is filled into the sample to dilute the sample. When a certain capacity is filled, the solenoid valve 45 is automatically closed, and the electric cylinder 41 drives the water distributor 43 to reset, and the servo motor 61 is started, and the servo motor 61 drives the transmission shaft 62 rotates, the transmission shaft 62 drives the telescopic rod 63 to rotate, the telescopic rod 63 drives the rotating shaft 64 and the sealing cover 65 to move to the top of the fixed frame 31, after the sealing cover 65 and the fixed frame 31 are buckled, the sealing cover 65 rotates with the fixed frame 31 to prevent the sample from spilling out during the rotation, and then the motor 21 is started, the motor 21 drives the turntable 23 to rotate through the reducer 22, the turntable 23 drives the support column 24 to rotate, and the support column 24 drives the fixing mechanism 03 and the sample to rotate, so that the sample and the physiological saline are evenly mixed.

[0025] The electric motor 21, reducer 22, water pump 51 and servo motor 61 of the utility model are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manuals without the need for creative work by technicians in this field.

[0026] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A liquid sample diluter, comprising a control mechanism (01); characterized in that: The invention also comprises a rotating mechanism (02), a fixing mechanism (03), a liquid adding mechanism (04), a conveying mechanism (05) and a sealing mechanism (06). The rotating mechanism (02) is mounted on the control mechanism (01) and drives the sample to be mixed. The fixing mechanism (03) is mounted on the rotating mechanism (02) and is convenient for fixing the sample. The liquid adding mechanism (04) is mounted on the control mechanism (01) and adds physiological saline into the sample. The conveying mechanism (05) is mounted on the liquid adding mechanism (04) and conveys the physiological saline into the liquid adding mechanism (04). The sealing mechanism (06) is mounted on the control mechanism (01) and seals the diluted sample.

2. A liquid sample diluter as claimed in claim 1, characterized in that: The control mechanism (01) comprises a workbench (11), a top plate (12) and a controller (13); the workbench (11) is installed on the ground, the bottom end of the top plate (12) is connected to the top end of the workbench (11), and the bottom end of the controller (13) is connected to the top end of the workbench (11).

3. A liquid sample diluter as claimed in claim 2, characterized in that: The rotating mechanism (02) comprises a motor (21), a reducer (22), a turntable (23) and a support column (24); the motor (21) is mounted on a workbench (11); the reducer (22) is mounted on the workbench (11); the turntable (23) is rotatably mounted on the top of the workbench (11) and is longitudinally connected to the reducer (22); and the bottom end of the support column (24) is connected to the top end of the turntable (23).

4. A liquid sample diluter as claimed in claim 3, characterized in that: The fixing mechanism (03) comprises a fixing frame (31), two groups of slide rails (32), two groups of card plates (33), two groups of pull rings (34) and two groups of fixing columns (35). The bottom end of the fixing frame (31) is connected to the top end of the support column (24). The two groups of slide rails (32) are both installed on the fixing frame (31). The two groups of card plates (33) are respectively slidably installed on the two groups of slide rails (32). The two groups of pull rings (34) are respectively installed on the two groups of card plates (33). The two groups of fixing columns (35) are respectively installed on the two groups of slide rails (32).

5. A liquid sample diluter as claimed in claim 2, characterized in that: The liquid adding mechanism (04) comprises an electric cylinder (41), four groups of guide rods (42), a water distributor (43), a plurality of groups of filling pipes (44) and a plurality of groups of solenoid valves (45); the top end of the electric cylinder (41) is connected to the bottom end of the top plate (12); the top ends of the four groups of guide rods (42) are connected to the bottom end of the top plate (12); the top end of the water distributor (43) is connected to the bottom end of the electric cylinder (41); the plurality of groups of filling pipes (44) are all installed on the water distributor (43) and are connected to the inside of the water distributor (43); and the plurality of groups of solenoid valves (45) are respectively installed on the plurality of groups of filling pipes (44).

6. A liquid sample diluter as claimed in claim 5, characterized in that: The conveying mechanism (05) comprises a water pump (51), a water extraction pipe (52) and a water delivery pipe (53); the water pump (51) is mounted on the workbench (11) and is transmission-connected to the reducer (22); the water extraction pipe (52) is mounted on the water pump (51) and is connected to an external water source; and the water delivery pipe (53) is mounted on the water extraction pipe (52) and is in communication with the interior of the water distributor (43).

7. A liquid sample diluter as claimed in claim 2, characterized in that: The sealing mechanism (06) comprises a servo motor (61), a transmission shaft (62), a telescopic rod (63), a rotating shaft (64) and a sealing cover (65); the bottom end of the servo motor (61) is connected to the top end of the top plate (12); the transmission shaft (62) is rotatably mounted on the top plate (12) and is transmission-connected to the servo motor (61); the telescopic rod (63) is mounted on the transmission shaft (62); the rotating shaft (64) is rotatably mounted on the telescopic rod (63); and the sealing cover (65) is mounted on the rotating shaft (64).

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