Liquid supplementing device for liquid preparation tank

Abstract

The utility model relates to the technical field of liquid supplementing of liquid preparation tanks, in particular to a liquid supplementing device for a liquid preparation tank, which comprises a liquid supplementing barrel, a barrel cover is arranged at the top of the liquid supplementing barrel, a gate valve is arranged above the inner wall of the liquid supplementing barrel, a protective cover is arranged above the gate valve, and a turnover mechanism for rotating the protective cover is arranged at the top of the barrel cover. A weighing device is arranged under the liquid supplementing barrel, the bottom of the liquid supplementing barrel is communicated with a liquid outlet pipe through a water pump, a one-way valve is arranged on the liquid outlet pipe, one side of the liquid outlet pipe is communicated with a telescopic corrugated pipe, and one side of the telescopic corrugated pipe is communicated with a liquid outlet head. According to the gate valve, the protective cover and the turnover mechanism are arranged, the knob is rotated, the damping shaft drives the L-shaped rod to rotate, the protective cover is rotated to the top of the gate valve, dust attached to the valve plate is reduced, the dust is prevented from affecting normal sliding between the valve plate and the inserting groove, and the running stability of the gate valve is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of liquid replenishment of a liquid dispensing tank, in particular to a liquid replenishment device for a liquid dispensing tank. Background Art

[0002] The liquid preparation tank, also known as the preparation tank or the blending tank, is a mixing and stirring container for mixing one or more materials according to the process ratio. The manufactured liquid preparation tank is a modern GMP standard equipment that is manufactured and accepted according to the pharmaceutical industry's pharmaceutical hygiene standards. A liquid filling device is required when filling the liquid preparation tank.

[0003] Publication No.: CN212050466U discloses a novel weighing and liquid replenishing mechanism for a liquid dispensing tank, the structure of which includes a barrel body, a barrel cover, a convenient opening and closing device and a supporting leg. The utility model arranges the convenient opening and closing device at the middle of the top of the barrel cover, and the screw rod can be driven to rotate by a hand wheel. The screw rod and the ball bearing cooperate with each other, so that the sealing plug plate is inserted into the slot for rapid fixing and sealing, which is beneficial to avoid leakage caused by huge shaking, is easy to use, and is convenient for clamping the external connecting pipe.

[0004] The applicant found that there are some shortcomings in use: since there is no dust-proof function on the top of the sealing plug plate, when a lot of dust and impurities accumulate on the top of the sealing plug plate, it is not easy to clean due to the high main body, and dust and impurities entering the slot will affect the normal sliding between the sealing plug plate and the slot.

[0005] Therefore, the utility model designs a liquid replenishing device for a liquid dispensing tank to solve the problems existing in the prior art. Utility Model Content

[0006] The purpose of the utility model is to provide a liquid replenishing device for a liquid dispensing tank to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fluid replenishing device for a fluid dispensing tank, comprising: a fluid replenishing cylinder, a cylinder cover is arranged on the top of the fluid replenishing cylinder, a gate valve is arranged above the inner wall of the fluid replenishing cylinder, a protective cover is arranged above the gate valve, a flip mechanism for rotating the protective cover is arranged on the top of the cylinder cover, a weighing device is arranged directly below the fluid replenishing cylinder, supporting legs fixedly connected to the weighing device are arranged around the bottom of the fluid replenishing cylinder, and a liquid outlet pipe is connected to the bottom of the fluid replenishing cylinder through a water pump. The liquid outlet pipe is provided with a one-way valve, one side of the liquid outlet pipe is connected with a telescopic bellows, one side of the telescopic bellows is connected with a liquid outlet head, the plug valve is opened, and the liquid enters the liquid replenishing tank through the plug valve, and is weighed by a weighing device. After the required capacity is reached, the liquid replenishment is stopped, the plug valve is closed to improve the sealing, and then the liquid outlet head is inserted into the liquid inlet of the liquid mixing tank, and the one-way valve is opened to replenish the liquid. The height of the liquid outlet head can be freely adjusted through the telescopic bellows, which is convenient for replenishing liquid mixing tanks at different heights and improves practicality.

[0008] Preferably, the flipping mechanism includes two brackets, the two brackets are installed on one side of the top of the cylinder cover, a damping shaft is rotatably installed between the two brackets, an L-shaped rod is installed in the middle of the outer wall of the damping shaft, the L-shaped rod is connected to the top of the protective cover, and the damping shaft is used so that the staff needs to use a certain amount of force to rotate the protective cover, so that the dustproof cover is more stable when protecting or not protecting, and is not easy to be displaced.

[0009] Preferably, a knob is provided at one end of the damping shaft, and the knob facilitates the staff to turn the damping shaft.

[0010] Preferably, a sealing gasket is provided on the side of the protective cover away from the L-shaped rod, and the sealing gasket can improve the sealing between the protective cover and the gate valve, thereby improving the dust prevention effect.

[0011] Preferably, the fluid infusion cylinder and the cylinder cover are movably mounted by bolts, and the bolts ensure the firmness between the fluid infusion cylinder and the cylinder cover, and also facilitate the disassembly of the cylinder cover and the inspection of the gate valve.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model sets a protective cover and a flip mechanism, and by turning the knob, the damping shaft drives the L-shaped rod to rotate, so that the protective cover rotates to the top of the gate valve, reducing dust adhesion on the valve plate, avoiding dust from affecting the normal sliding between the valve plate and the slot, and improving the stability of the gate valve operation;

[0014] 2. The utility model adopts the arrangement of the telescopic bellows. Since the liquid dispensing tank has a certain height and the liquid inlet of the liquid dispensing tank is generally located at the top of the liquid dispensing tank, the height of the liquid outlet head can be adjusted arbitrarily through the telescopic bellows to meet the liquid replenishment needs of liquid dispensing tanks of different heights, thereby improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a main schematic diagram of the utility model;

[0016] Figure 2 For the utility model Figure 1 Enlarged schematic diagram of the structure at point a.

[0017] In the figure: 1. Fluid replenishing cylinder; 2. Cylinder cover; 3. Gate valve; 4. Protective cover; 5. Flipping mechanism; 6. Weighing device; 7. Support leg; 8. Liquid outlet pipe; 9. One-way valve; 10. Telescopic bellows; 11. Liquid outlet head; 12. Sealing gasket; 501. Bracket; 502. Damping shaft; 503. L-shaped rod; 504. Knob. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-2 The utility model provides an embodiment: a liquid replenishing device for a liquid dispensing tank, comprising: a liquid replenishing cylinder 1, a cylinder cover 2 is provided on the top of the liquid replenishing cylinder 1, a gate valve 3 is provided above the inner wall of the liquid replenishing cylinder 1, a protective cover 4 is provided above the gate valve 3, a flip mechanism 5 for rotating the protective cover 4 is provided on the top of the cylinder cover 2, a weighing device 6 is provided just below the liquid replenishing cylinder 1, supporting legs 7 fixedly connected to the weighing device 6 are provided around the bottom of the liquid replenishing cylinder 1, a liquid outlet pipe 8 is connected to the bottom of the liquid replenishing cylinder 1 through a water pump, a one-way valve 9 is provided on the liquid outlet pipe 8, a telescopic bellows 10 is connected to one side of the liquid outlet pipe 8, and a liquid outlet head 11 is connected to one side of the telescopic bellows 10.

[0020] See also Figure 1 In this embodiment: the gate valve is a prior art and can refer to patent number: CN216555432U. The gate valve is installed above the inner wall of the infusion cylinder. A circular groove is provided at the center of the top of the cylinder cover 2. The connecting pipe on the top of the gate valve 2 is plugged into the circular groove, and a sealing ring is provided at the connection. Opening the cylinder cover is convenient for inspecting the gate valve.

[0021] See also Figure 1In this embodiment: the weighing device 6 includes a weighing tray, which is connected to the supporting legs. A weighing module is provided in the middle of the bottom of the weighing tray to facilitate weighing the raw materials and adding the required weight of raw materials.

[0022] See also Figure 1-2 In this embodiment: the flip mechanism 5 includes two brackets 501, the two brackets 501 are installed on one side of the top of the cylinder cover 2, a damping shaft 502 is rotatably installed between the two brackets 501, an L-shaped rod 503 is installed in the middle of the outer wall of the damping shaft 502, the L-shaped rod 503 is connected to the top of the protective cover 4, the damping shaft has a certain resistance, so that the protective cover is not easily displaced after opening, thereby improving the stability of the protective cover.

[0023] See also Figure 2 In this embodiment: a knob 504 is provided at one end of the damping shaft 502, and the knob is convenient for turning the damping shaft to rotate.

[0024] See also Figure 1 In this embodiment: a sealing gasket 12 is provided on the side of the protective cover 4 away from the L-shaped rod 503, and the sealing gasket can improve the sealing between the protective cover and the gate valve and improve the dust prevention effect.

[0025] See also Figure 1 In this embodiment, the liquid infusion cylinder 1 and the cylinder cover 2 are movably installed by bolts, which ensure the stability between the liquid infusion cylinder and the cylinder cover and facilitate disassembly.

[0026] Working principle: Turn the knob 504 to rotate the damping shaft 502, and the damping shaft 502 drives the L-shaped rod 503 to rotate, so that the L-shaped rod 503 drives the protective cover 4 to rotate, and the protective cover 4 rotates to the top of the plug valve 3, which has a dust-proof effect on the plug valve 3 and prevents dust and impurities from affecting the normal operation of the valve plate on the plug valve 3. Turn the knob 504 in the opposite direction to make the protective cover 4 leave the top of the plug valve, and then open the plug valve 3 to inject liquid into the liquid replenishing cylinder 1. The weighing device 6 weighs the replenishing liquid. After the weighing is completed, the liquid outlet head 11 is first inserted into the liquid inlet of the liquid dispensing tank. Through the telescopic bellows 10, it is convenient to replenish the liquid in the liquid dispensing tanks at different heights. Then, open the one-way valve 9 to replenish the liquid. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A liquid replenishing device for a liquid dispensing tank, comprising: A fluid infusion cylinder (1) is characterized in that: a cylinder cover (2) is provided on the top of the fluid infusion cylinder (1), a gate valve (3) is provided above the inner wall of the fluid infusion cylinder (1), a protective cover (4) is provided above the gate valve (3), a flip mechanism (5) for rotating the protective cover (4) is provided on the top of the cylinder cover (2), a weighing device (6) is provided directly below the fluid infusion cylinder (1), supporting legs (7) fixedly connected to the weighing device (6) are provided around the bottom of the fluid infusion cylinder (1), the bottom of the fluid infusion cylinder (1) is connected to a liquid outlet pipe (8) through a water pump, a one-way valve (9) is provided on the liquid outlet pipe (8), one side of the liquid outlet pipe (8) is connected to a telescopic bellows (10), and one side of the telescopic bellows (10) is connected to a liquid outlet head (11).

2. A liquid replenishing device for a liquid dispensing tank according to claim 1, characterized in that: The flip mechanism (5) comprises two brackets (501), the two brackets (501) are mounted on one side of the top of the cylinder cover (2), a damping shaft (502) is rotatably mounted between the two brackets (501), an L-shaped rod (503) is mounted in the middle of the outer side wall of the damping shaft (502), and the L-shaped rod (503) is connected to the top of the protective cover (4).

3. A liquid replenishing device for a liquid dispensing tank according to claim 2, characterized in that: A knob (504) is provided at one end of the damping shaft (502).

4. A liquid replenishing device for a liquid dispensing tank according to claim 1, characterized in that: A sealing gasket (12) is provided on the side of the protective cover (4) away from the L-shaped rod (503).

5. The liquid replenishing device for a liquid dispensing tank according to claim 1, characterized in that: The liquid replenishing cylinder (1) and the cylinder cover (2) are movably mounted via bolts.

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