CN214201481U - Porous valve chip detection device - Google Patents

Abstract

The utility model discloses a porous valve chip detection device in the field of medical immunization external diagnosis, including the test rack, be connected with the fixture platform on the test rack, it has the constant head tank to open on the fixture platform, be connected with linear actuator and liftable push rod respectively on the test rack at both ends around the fixture platform, one side that the push rod is down is fixed with the negative pressure interface board, the upside of negative pressure interface board is equipped with the connecting pipe, it has the negative pressure hole to open on the negative pressure interface board, the inner chamber and the negative pressure hole intercommunication of connecting pipe, fixedly connected with peristaltic pump on the test rack of the fixture platform one end outwards, be connected with the actuating lever that upwards stretches out and can do reciprocal linear motion in the direction of height on the linear actuator, the one end fixedly connected with clamp plate that the actuating lever upwards stretches out; the utility model discloses simple structure, it is easy and simple to handle.

Description

Porous valve chip detection device

Technical Field

The utility model belongs to the technical field of the medical treatment, in particular to porous valve chip detection device.

Background

In vitro diagnosis refers to a method of detecting a sample such as blood or body fluid of a human body, and diagnosing body functions or disease information. In vitro diagnosis products can rapidly and accurately diagnose diseases in early stage, provide effective technical support for disease prevention, prognosis evaluation and the like, and the development of highly automated, integrated and miniaturized diagnosis equipment becomes the main component of the in vitro diagnosis market.

At present, enzyme-linked immunosorbent assay (ELISA) plates or centrifuge tubes are used as reaction containers in most of hospital and laboratory immunodiagnosis, and large-scale detection instruments are arranged, so that the detection cost is high, the detection time is long, special technical personnel are required for operation, the detection is complicated, and the flexibility is lacked.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point among the prior art, provide a porous valve chip detection device and detection method, solved and detected troublesome technological problem among the prior art, used the utility model discloses examine time measuring, it is convenient to detect, easy operation, the flexibility is high.

The purpose of the utility model is realized like this: the utility model provides a porous valve chip detection device, includes the testing jig, be connected with the anchor clamps platform on the testing jig, it has the constant head tank to open on the anchor clamps platform, be connected with the push rod of sharp driver and liftable respectively on the testing jig at both ends around the anchor clamps platform, one side that the push rod faces down is fixed with the negative pressure interface board, the upside of negative pressure interface board is equipped with the connecting pipe, and it has the negative pressure hole to open on the negative pressure interface board, the inner chamber and the negative pressure hole intercommunication of connecting pipe, the anchor clamps platform is fixedly connected with peristaltic pump on the testing jig of one end outwards, be connected with the actuating lever that upwards stretches out and can be reciprocal rectilinear movement in the direction of height on the sharp driver, the one end fixedly connected with clamp plate that the actuating lever upwards stretches out.

The utility model is used for detecting the micro-fluidic chip, the peristaltic pump is connected with the connecting pipe through the pipeline, the chip is provided with a flow passage, the test liquid can flow along the flow passage, and the linear driver is preferably an electric push rod; during the experiment, the push rod descends to push the negative pressure interface board to descend, the negative pressure interface board compresses the chip and simultaneously the connecting pipe is communicated with the negative pressure interface of the chip through the connecting hole, when the connecting hole is in work with the peristaltic pump, the testing liquid in the flow channel can be driven to flow along the flow channel to the direction of the negative pressure interface, the press plate is connected with the control valve body, a plurality of liquid holes are distributed in the height direction of the control valve body and correspond to the positions of liquid storage pools for storing the testing liquid, the testing liquid in one liquid storage pool can only flow along the direction of the liquid holes to the negative pressure interface every time, the press plate is at the highest position, the liquid hole at the lowest position is communicated with one liquid storage pool, the peristaltic pump works, after the testing liquid in the liquid storage pool flows into the set flow channel through the liquid hole at the lowest position, the peristaltic pump stops working, the linear driver moves to enable the driving rod to descend, and when the next liquid hole is communicated with the next liquid storage pool, stopping the linear driver, repeatedly executing the actions until the test of the chip is completed, reversely actuating the linear driver to reset the pressure plate, controlling the valve body to ascend to an initial position, and preparing for the next test; the utility model has simple structure, can assist the chip to complete the detection, and has convenient operation and simple detection; can assist in completing the detection work of the microfluidic chip.

In order to further facilitate the installation of the clamp table, a sliding opening is formed in the detection frame, a handle extending out of the sliding opening is arranged at one end, away from the peristaltic pump, of the clamp table, the clamp table is inserted into the detection frame along the sliding opening, and a limiting step of the clamp table is abutted to the outer side of the detection frame.

In order to further improve the installation stability of the clamp table, guide plates are respectively arranged on the detection frames on the front side and the rear side of the clamp table, and the clamp table is horizontally inserted into the detection frames along the two guide plates.

As a further improvement, the fixedly connected with fixed plate on the ascending test rack of anchor clamps platform front end outside, fixedly connected with lift driver on the fixed plate, lift driver drive push rod reciprocates.

Drawings

FIG. 1 is a front view of the present invention

Fig. 2 is a first perspective view of the present invention.

Fig. 3 is a second perspective view of the present invention.

Fig. 4 is a three-dimensional structure diagram of the utility model with the clamp platform hidden.

Fig. 5 is a three-dimensional structure diagram of the chip mounted on the fixture table of the present invention.

Fig. 6 is a partial structure diagram of the chip of the present invention.

The device comprises a detection frame 1, a sliding port 101, a clamp table 2, a handle 201, a limit step 202, a positioning groove 203, a fixing plate 3, a peristaltic pump 4, a lifting driver 5, a connecting pipe 6, a pressing plate 7, a driving rod 8, a push rod 9, a linear driver 10, a negative pressure interface board 11, a guide plate 12, a chip 13, a control valve body 14, a liquid hole 15, a liquid storage tank 16, a flow channel 17 and a negative pressure interface 18.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

The multi-hole valve chip detection device shown in fig. 1-6 comprises a detection frame 1, a fixture table 2 is connected to the detection frame 1, a positioning groove 203 is formed on the fixture table 2, a linear driver 10 and a lifting push rod 9 are respectively connected to the detection frame 1 at the front end and the rear end of the fixture table 2, a fixed plate 3 is fixedly connected to the detection frame 1 at the front end of the fixture table 2 in the outward direction, a lifting driver 5 is fixedly connected to the fixed plate 3, the lifting driver 5 drives the push rod 9 to move up and down, a negative pressure interface board 11 is fixed to the downward side of the push rod 9, a connecting pipe 6 is arranged on the upper side of the negative pressure interface board 11, a negative pressure hole is formed in the negative pressure interface board 11, an inner cavity of the connecting pipe 6 is communicated with the negative pressure hole, a peristaltic pump 4 is fixedly connected to the detection frame 1 at the outward end of the fixture table 2, a driving rod 8 which extends upwards and can perform reciprocating linear movement in the height direction is connected to the linear driver 10, the upward extending end of the driving rod 8 is fixedly connected with a pressing plate 7.

In order to further facilitate the installation of the clamp table 2, the detection frame 1 is provided with a sliding port 101, one end of the clamp table 2, which is far away from the peristaltic pump 4, is provided with a handle 201 extending out of the sliding port 101, the detection frame 1 on the front side and the rear side of the clamp table 2 are respectively provided with a guide plate 12, the clamp table 2 is horizontally inserted into the detection frame 1 along the sliding port 101 and the two guide plates 12 in sequence, and a limit step 202 of the clamp table 2 is abutted to the outer side of the detection frame 1.

When the fixture table 2 is installed, the handle 201 is held by hand to push the fixture table 2 to be sequentially inserted into the detection frame 1 along the sliding port 101 and the guide plate 12, and when the limiting step 202 on the fixture table 2 is tightly pressed on the outer side of the detection frame 1, the installation is finished; the utility model is used for detecting micro-fluidic chip 13, micro-fluidic chip 13 is placed in constant head tank 203, peristaltic pump 4 is connected with connecting pipe 6 through the pipeline, has runner 17 on chip 13, is connected with control valve body 14 on chip 13, and a plurality of liquid holes 15 have been arranged in the direction of height of control valve body 14, and clamp plate 7 is connected with the upper end fixed connection of control valve body 14, and the test liquid can flow along runner 17, and lift driver 5 and linear actuator 10 all prefer electric putter 9; during testing, the lifting driver 5 acts to make the push rod 9 descend, the push rod 9 pushes the negative pressure interface board 11 to descend, the negative pressure interface board 11 compresses the chip 13, the connecting pipe 6 is communicated with the negative pressure interface 18 of the chip 13 through the connecting hole, when the peristaltic pump 4 works, the testing liquid in the flow channel 17 can be driven to flow along the flow channel 17 to the direction of the negative pressure interface 18, different liquid holes 15 correspond to the positions of the corresponding liquid storage pools 16 for storing the testing liquid, namely different liquid holes 15 are communicated with different liquid storage pools 16, the testing liquid in one liquid storage pool 16 can only flow along the liquid holes 15 to the direction of the negative pressure interface 18 at each time, the pressure plate 7 is at the highest position at the beginning, the liquid hole 15 at the lowest position is communicated with one liquid storage pool 16, the peristaltic pump 4 works, after the testing liquid in the liquid storage pool 16 flows into the set position of the flow channel 17 through the liquid hole 15 at the lowest position, the peristaltic pump 4 stops working, the linear driver 10 acts to enable the driving rod 8 to descend, when the next liquid hole 15 is communicated with the next liquid storage tank 16, the linear driver 10 stops acting, the actions are repeatedly executed until the test of the chip 13 is completed, the linear driver 10 acts in the reverse direction to enable the pressure plate 7 to reset, the valve body 14 is controlled to ascend to the initial position, and the next test is prepared; the utility model has simple structure, can assist the chip 13 to complete the detection, is convenient to test, and improves the accuracy of the test; the detection work of the microfluidic chip 13 can be completed in an auxiliary manner.

The present invention is not limited to the above embodiments, and based on the technical solutions disclosed in the present invention, those skilled in the art can make some replacements and transformations for some technical features without creative labor according to the disclosed technical contents, and these replacements and transformations are all within the protection scope of the present invention.

Claims (4)

1. A porous valve chip detection device is characterized in that: the detection frame comprises a detection frame, a clamp table is connected to the detection frame, a positioning groove is formed in the clamp table, push rods which are connected with a linear driver and can ascend and descend are respectively arranged on the detection frame at the front end and the rear end of the clamp table, a negative pressure interface board is fixed on one side, facing downwards, of the push rods, a connecting pipe is arranged on the upper side of the negative pressure interface board, a negative pressure hole is formed in the negative pressure interface board, an inner cavity of the connecting pipe is communicated with the negative pressure hole, a peristaltic pump is fixedly connected to the detection frame at one end, facing outwards, of the clamp table, a driving rod which extends upwards and can do reciprocating linear movement in the height direction is connected to the linear driver, and a pressing plate is fixedly connected to one end, extending upwards, of the driving rod.

2. The apparatus according to claim 1, wherein the testing frame has a sliding opening, the end of the fixture table away from the peristaltic pump has a handle extending out of the sliding opening, the fixture table is inserted into the testing frame along the sliding opening, and the limiting step of the fixture table abuts against the outer side of the testing frame.

3. The apparatus of claim 2, wherein the jig stage is horizontally inserted into the test rack along the guide plates, and the guide plates are provided on the test rack on the front and rear sides of the jig stage.

4. The multi-port valve chip testing device according to any one of claims 1 to 3, wherein a fixing plate is fixedly connected to the testing frame at the front end of the clamping platform in the outward direction, and a lifting driver is fixedly connected to the fixing plate and drives the push rod to move up and down.

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