The present invention relates to a test equipment, and particularly to a novel test kit.
Test kits are a sort of test equipment commonly used in labs for storing various liquid reagents to be used in tests. When the tester needs to take the reagent out from a test kit, it is a common practice for the tester to open a cover of the test kit, draw a certain amount of reagent with a syringe or a dropper, and then use the obtained reagent for the test operation. Since the process involves manual operation, the hands and body of the tester or the test equipment may be contaminated by the reagent if the tester is unskilled or careless in the operation. The consequences may be very serious if the reagent being used is corrosive or toxic to a certain extent.
The technical problem to be solved by the present invention is to provide a novel test kit for solving a problem that manual operation is required when the existing test kits are used in the prior art.
Technical Solution: the technical solution utilized by the present invention is: a novel test kit, comprising a box body and a cylindrical liquid discharge tube fixed at the bottom of the box body, wherein a circular sealing gasket is provided on and fixedly connected to the lower part of an inner wall of the liquid discharge tube, the sealing gasket is provided with a circular liquid outlet perpendicularly penetrating through a center of the sealing gasket, a ball that can slide along the inner wall of the liquid discharge tube is provided at the top of the liquid outlet, a magnetic rod that can slide along the inner wall of the liquid discharge tube is fixed to the upper part of the ball, a solenoid coil is provided at the upper part of the outside of the liquid discharge tube and fixedly connected to the upper part of the outside of the liquid discharge tube, and a circular tube-shaped air inlet in communication with the interior of the box body and the exterior of the box body is provided at the top of the box body and fixedly connected to the top of the box body.
Furthermore, the material of the sealing gasket is rubber.
Furthermore, the sealing gasket is provided with a spherical pit at the top center of the sealing gasket, the bottom of the spherical pit communicates with the liquid outlet, and the ball is pressed in the spherical pit by the magnetic rod.
Furthermore, the material of the ball is steel.
Furthermore, an annular magnet is provided at the bottom of the liquid discharge tube and fixedly connected to the bottom of the liquid discharge tube.
The beneficial effects attained by the present invention are as follows: the opening action and closing action of the liquid discharge means of the novel test kit can be accomplished by energizing and deenergizing the solenoid coil under the control of an electric control system, so that it is unnecessary to manually open the test kit, take out the reagent and then use the reagent for the test operation. In addition, in the present invention, the reagent can be provided quantitatively by controlling the energized duration of the solenoid coil with the electric control system according to the type of the reagent, the air pressure inside the test kit, and other parameters. Therefore, the novel test kit can also meet the requirements of an automatic test system.
In the figures: 1 — liquid outlet; 2 — annular magnet; 3 — ball; 4 — magnetic rod; 5 — solenoid coil; 6 —box body; 7 — air inlet; 8 — liquid discharge tube; 9 — sealing gasket.
As shown in
The amount of the reagent flowing out of the box body 6 per unit time is related to the air pressure inside the box body 6 and the viscosity of the reagent, since both the gap between the liquid discharge tube 8 and the magnetic rod 4 and the gap between the ball 3 and the liquid discharge tube 8 are fixed values, and both size of the hole at the center of the sealing gasket 9 and size of the hole inside the liquid outlet 8 are also fixed values. Therefore, at a given air pressure inside the box body 6 and a given viscosity of the reagent, the amount of the reagent released from the box body 6 can be controlled by controlling the energized duration of the solenoid coil 5, thus the novel test kit is more suitable for use in an automatic test system.
Number | Date | Country | Kind |
---|---|---|---|
201911314110.4 | Dec 2019 | CN | national |
Filing Document | Filing Date | Country | Kind |
---|---|---|---|
PCT/CN2020/135702 | 12/11/2020 | WO |