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CN-224225665-U - Quantitative formaldehyde dumping device

CN224225665UCN 224225665 UCN224225665 UCN 224225665UCN-224225665-U

Abstract

The utility model discloses a quantitative formaldehyde pouring device which comprises a liquid storage tank, a tank cover, a rotating mechanism, a liquid outlet valve and a base. The bottom of the liquid storage cavity of the liquid storage tank is provided with a zero point position and a plurality of liquid quantitative channels with different capacities, and the liquid quantitative channels are circumferentially arranged and have different inner diameters. The rotating mechanism comprises a worm wheel, a worm and a knob handle, a sealing washer at the bottom of the worm wheel is provided with a notch, PVDF coating is coated on the surface of the sealing washer and the inner wall of the liquid storage tank, and a digital mark corresponding to the quantitative channel is arranged on the surface of the liquid storage tank. The liquid outlet valves are in one-to-one correspondence with the liquid outlets of the quantitative channel, the surface of the base is provided with a liquid dropping groove. When the device is used, the knob handle is rotated, the notch is aligned to the corresponding quantitative channel to discharge liquid through the rotation of the worm wheel, and the liquid outlet valve is opened to discharge quantitative liquid after return. The device realizes the ration through mechanical structure, reduce cost, and the simple operation, ration is accurate and corrosion resistance is strong.

Inventors

  • ZHOU JINGJING
  • Lang ting
  • XU QIAN

Assignees

  • 南京中医药大学第二附属医院(江苏省第二中医院)

Dates

Publication Date
20260512
Application Date
20250625

Claims (6)

  1. 1. A formaldehyde quantitative pouring device, characterized by comprising: the liquid storage tank (1) is provided with a liquid storage containing cavity (11) with an opening at the top, and the bottom of the liquid storage containing cavity (11) is provided with a zero point position (12) and a plurality of liquid quantifying channels (13) with different capacities; The tank cover (2) is detachably arranged at the top of the liquid storage tank (1); The rotating mechanism (3) is partially arranged in the liquid storage tank (1) and can rotate to put the liquid in the liquid storage cavity (11) into a liquid quantitative channel (13) with corresponding capacity; The liquid outlet valves (4) are connected with the liquid outlet of each liquid quantitative channel (13) in a one-to-one correspondence manner and are used for discharging the liquid in the corresponding liquid quantitative channel (13).
  2. 2. A formaldehyde quantitative pouring device according to claim 1, characterized in that the liquid quantitative channels (13) are arranged in a circumferential arrangement, and the inner diameter of each quantitative channel (13) is different to quantify different volumes of liquid.
  3. 3. The formaldehyde quantitative pouring device according to claim 1, wherein the rotating mechanism (3) comprises a worm wheel (31) capable of rotating along the axis of the worm wheel (31) in the liquid storage cavity (11), a worm (32) meshed with the worm wheel (31) and penetrating out of the liquid storage tank (1), and a knob handle (33) vertically connected with the end part of the worm (32), wherein a sealing gasket (31 a) covering the surface of the liquid quantitative channel (13) is arranged at the bottom of the worm wheel (31), and a notch (31 b) is formed in the sealing gasket (31 a).
  4. 4. A formaldehyde quantitative pouring device according to claim 3, characterized in that the surface of the rotating mechanism (3) and the inner wall of the liquid storage tank (1) are coated with PVDF coating.
  5. 5. A formaldehyde quantitative pouring device according to claim 3, characterized in that the surface of the liquid storage tank (1) is provided with a number mark (a) corresponding to each liquid quantitative channel (13) one by one along the outer circumference of the knob handle (33) at equal intervals.
  6. 6. The quantitative formaldehyde pouring device according to claim 1, further comprising a base (5), wherein a space is formed between the base (5) and the liquid outlet valve (4), and a liquid dropping groove (51) is formed in the surface of the base (5).

Description

Quantitative formaldehyde dumping device Technical Field The utility model relates to the technical field of liquid quantitative distribution devices, in particular to a formaldehyde quantitative pouring device. Background In the fields of chemical experiments, material treatment and the like, formaldehyde is used as a common reagent, and the quantitative taking operation of the formaldehyde has higher frequency. Currently, most formaldehyde quantitative devices on the market mainly rely on sensors (such as a liquid level sensor, a flow sensor and the like) to realize quantitative control. However, such sensor-dependent dosing devices have significant drawbacks. On one hand, the purchase cost of the sensor is higher, the overall cost of the device is increased, and on the other hand, the sensor is easy to have the problems of sensitivity reduction, measurement error increase and the like after being contacted with chemical reagents such as formaldehyde and the like for a long time, so that the quantitative accuracy is reduced, and the use cost is further increased when the sensor is maintained and replaced. In addition, part of the device is complex in structure, complex in operation and unfavorable for improving the working efficiency. In view of the problems of high cost, easily influenced precision and the like in the prior art, the utility model provides a novel formaldehyde quantitative pouring device. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. Therefore, the utility model aims to provide the quantitative formaldehyde pouring device, which realizes quantitative formaldehyde pouring through a mechanical structure design to replace the traditional quantitative mode relying on a sensor, thereby reducing the cost and simultaneously ensuring the accuracy of quantification and the convenience of operation. In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided: A formaldehyde quantitative pouring device, comprising: The liquid storage tank is provided with a liquid storage containing cavity with an opening at the top, and the bottom of the liquid storage containing cavity is provided with a zero point position and a plurality of liquid quantitative channels with different capacities; The tank cover is detachably arranged at the top of the liquid storage tank; The rotating mechanism is partially arranged in the liquid storage tank and can rotate to put the liquid in the liquid storage cavity into a liquid quantitative channel with corresponding capacity; The liquid outlet valves are connected with the liquid outlet of each liquid quantitative channel in a one-to-one correspondence manner and are used for discharging the liquid in the corresponding liquid quantitative channel. As a preferable scheme of the formaldehyde quantitative pouring device, the liquid quantitative channels are arranged in a circumferential arrangement, and the inner diameter of each quantitative channel is different to quantify different volumes of liquid. As a preferable scheme of the formaldehyde quantitative pouring device, the rotating mechanism comprises a worm wheel capable of rotating along the axis of the worm wheel in the liquid storage cavity, a knob handle meshed with the worm wheel and penetrating out of a worm of the liquid storage tank, and a knob handle vertically connected with the end part of the worm; The bottom of the worm wheel is provided with a sealing gasket which covers the surface of the liquid quantitative channel, and a notch is formed in the sealing gasket. As a preferable scheme of the formaldehyde quantitative pouring device, the surface of the rotating mechanism and the inner wall of the liquid storage tank are coated with PVDF coating. As a preferable scheme of the formaldehyde quantitative pouring device, the surface of the liquid storage tank is provided with the numerical marks corresponding to each liquid quantitative channel one by one along the circumference of the outer part of the knob handle at equal intervals. As an optimal scheme of the formaldehyde quantitative pouring device, the formaldehyde quantitative pouring device further comprises a base, a space is arranged between the base and the liquid outlet valve, and a liquid drop groove is formed in the surface of the base. Compared with the prior art, the utility model has the following beneficial effects: 1. The traditional sensor quantifying mode is abandoned, and the liquid quantifying is realized by adopting a pure mechanical structure (such as a worm wheel, a worm, a quantifying channel and the like), so that the manufac