CN-224214826-U - Knob valve capable of displaying gear and accurately adjusting water flow and air pressure

Abstract

The application relates to a knob valve capable of displaying gears and accurately adjusting water flow and air pressure, and belongs to the technical field of pressure adjusting structures of rotary valves of medical appliances. The knob valve capable of displaying gears and accurately adjusting water flow and air pressure comprises an adjusting rotating structure, a potentiometer adjusting plate, a pressure regulating valve fixing plate and a pressure regulating valve, wherein the potentiometer adjusting plate and the pressure regulating valve are respectively fixed on two end faces of the pressure regulating valve fixing plate, and the adjusting rotating structure penetrates through the potentiometer adjusting plate and the pressure regulating valve fixing plate to be connected with the pressure regulating valve. According to the application, the rotary pressure regulating cap drives the regulating rod to rotate, the regulating rotary inlet on the rod body of the regulating rod is communicated with the regulating rotary outlet at the front section of the regulating rod, the regulating rotary inlet and the regulating rotary outlet axially move relative to the positions of the inlet and the outlet of the pressure regulating valve, and meanwhile, the pressure regulating cap drives the potentiometer contact to rotate to display gears, so that the accurate regulation of water pressure and air pressure is realized.

Inventors

• LI BAI
• CHEN SONG

Assignees

• 北京安德盛威科技发展有限公司

Dates

Publication Date

20260508

Application Date

20250626

Claims (6)

1. 1. The knob valve capable of displaying gears and accurately adjusting water flow and air pressure is characterized by comprising an adjusting rotating structure (1), a potentiometer adjusting plate (2), a pressure regulating valve fixing plate (3) and a pressure regulating valve (4), wherein the potentiometer adjusting plate (2) is fixed on the pressure regulating valve fixing plate (3) through screws, the potentiometer adjusting plate (2) and the pressure regulating valve (4) are respectively fixed on two end faces of the pressure regulating valve fixing plate (3), and the adjusting rotating structure (1) penetrates through the potentiometer adjusting plate (2) and the pressure regulating valve fixing plate (3) to be connected with the pressure regulating valve (4).
2. 2. The knob valve capable of displaying gears and accurately adjusting water flow and air pressure according to claim 1 is characterized in that the adjusting rotary structure (1) comprises a pressure adjusting cap (101), a limiting bolt (102), an adjusting pressing ring (103), an adjusting rod (104), a rubber pad (105) and a rubber ring (106), wherein a notch is arranged at the front end of the adjusting rod (104), the rubber pad (105) is arranged in the front end of the adjusting rod, a groove is arranged in the rod body, the rubber ring (106) is arranged in the rod body, the adjusting pressing ring (103) is axially fixed on a pressure adjusting valve fixing plate (3) through a step locking screw, the limiting bolt (102) and the adjusting rod (104) are clamped on a rib position inside the pressure adjusting cap (101) through notches at the tail ends of the limiting bolt and the adjusting rod, and meanwhile the pressure adjusting cap (101) is clamped on a potentiometer (2.1) of a potentiometer adjusting plate (2) through self-clamping buckles.
3. 3. The knob valve for displaying the gear and accurately adjusting the water flow and the air pressure according to claim 2 is characterized in that an adjusting rotary inlet (1.1) and an adjusting rotary outlet (1.2) are arranged on an adjusting rotary structure, and the adjusting rotary inlet (1.1) on a rod body of an adjusting rod (104) is communicated with the adjusting rotary outlet (1.2) at the front section of the adjusting rod (104); the pressure regulating cap (101) is rotated to drive the adjusting rod (104) to rotate, the positions of the rotary inlet (1.1) and the rotary outlet (1.2) are adjusted to axially and relatively move with the positions of the pressure regulating valve inlet (4.1) and the pressure regulating valve outlet (4.2), and meanwhile, the pressure regulating cap (101) drives the potentiometer (2.1) to rotate to display gears.
4. 4. The knob valve capable of displaying gears and accurately adjusting water flow and air pressure according to claim 2 is characterized in that a notch and a pressure regulating outlet are formed in the front end of an adjusting rod (104), a pressure regulating inlet is formed in a rod body, the pressure regulating outlet is communicated with the pressure regulating inlet, the notch is round and provided with a flat table, the pressure regulating outlet is rectangular, limit columns are arranged on two sides of the pressure regulating outlet, the shape of a rubber pad (105) is matched with the shape of the notch of the adjusting rod (104), and semicircular holes are formed in the rubber pad (105) and are matched with the limit columns of the adjusting rod (104).
5. 5. The knob valve for displaying gears and accurately adjusting water flow and air pressure according to claim 2, wherein the adjusting compression ring (103) is provided with a limit column, the limit bolt (102) is provided with a fan-shaped groove, and the limit column and the fan-shaped groove are matched with each other to realize stroke limit.
6. 6. The knob valve capable of displaying gears and accurately adjusting water flow and air pressure according to claim 2 is characterized in that the pressure regulating valve (4) comprises a gas regulating valve (401) and a water regulating valve (402), a negative pressure input port and a negative pressure output port are arranged on the gas regulating valve (401), the negative pressure input port and the negative pressure output port are communicated, a middle switching part is in the shape of a bean hole, a water flow input port and a water flow output port are arranged on the water regulating valve (402), the water flow input port and the water flow output port are communicated, and the middle switching part is in the shape of a fan hole.

Description

Knob valve capable of displaying gear and accurately adjusting water flow and air pressure Technical Field The application relates to the technical field of pressure regulating structures of rotary valves of medical apparatuses and instruments, in particular to a knob valve which displays gears and accurately regulates water flow and air pressure. Background With the upgrading of skin care needs, deep cleaning and skin management technologies are becoming the core direction in the cosmetic field. The large bubble technology is a skin cleaning technology based on micron-sized bubble generation and intelligent negative pressure control, and achieves synergistic effects of deep skin cleaning, cutin softening and nutrition introduction through physical adsorption and bubble blasting effects, so that accurate adjustment of water flow and air pressure by the large bubble beauty instrument becomes an important part of core technology. However, the traditional main structure for adjusting the water flow and the air pressure is that the stroke and the flow of a valve core of a traditional knob valve are in a nonlinear relation, the scale of a manual knob is rough, the flow is difficult to accurately adjust, a positioning locking mechanism is not needed, the valve opening is easily shifted due to vibration or false touch, a special tool is needed for disassembling and maintaining depending on the direct matching of a threaded rod and the valve core, the time for replacing a sealing element is long, the standardization degree of parts is low, and the universality of valve fittings of different types is poor. Disclosure of utility model In view of the above, the present application provides a knob valve for displaying gear and precisely adjusting water flow and air pressure, which can effectively overcome the defects of the prior art. The application provides a knob valve capable of displaying gears and accurately regulating water flow and air pressure, which comprises a regulating rotating structure, a potentiometer regulating plate, a pressure regulating valve fixing plate and a pressure regulating valve, wherein the potentiometer regulating plate is fixed on the pressure regulating valve fixing plate through screws, the potentiometer regulating plate and the pressure regulating valve are respectively fixed on two end faces of the pressure regulating valve fixing plate, and the regulating rotating structure penetrates through the potentiometer regulating plate and the pressure regulating valve fixing plate to be connected with the pressure regulating valve. The adjusting and rotating structure comprises a pressure regulating cap, a limiting bolt, an adjusting compression ring, an adjusting rod, a rubber cushion and a rubber ring, wherein a notch is arranged at the front end of the adjusting rod and is used for accommodating the rubber cushion, a groove is arranged on a rod body and is used for accommodating the rubber ring, the adjusting compression ring is locked by steps and is axially fixed on a pressure regulating valve fixing plate through screws, the limiting bolt and the adjusting rod are clamped on rib positions inside the pressure regulating cap through notches at the tail ends of the limiting bolt and the adjusting rod, and meanwhile the pressure regulating cap is clamped on a potentiometer of a potentiometer adjusting plate through self-clamping. Preferably, the adjusting rotary structure is provided with an adjusting rotary inlet and an adjusting rotary outlet, and the adjusting rotary inlet on the rod body of the adjusting rod is communicated with the adjusting rotary outlet at the front section of the adjusting rod; The pressure regulating cap is rotated to drive the adjusting rod to rotate, the inlet of the adjusting rotating assembly and the outlet of the adjusting rotating assembly axially and relatively move with the positions of the inlet of the pressure regulating valve and the outlet of the pressure regulating valve, and meanwhile, the pressure regulating cap drives the potentiometer contact to rotate so as to display gears. Preferably, the front end of the adjusting rod is provided with a notch and a pressure regulating outlet, the rod body is provided with a pressure regulating inlet, and the pressure regulating outlet is communicated with the pressure regulating inlet; the notch is round with a flat table, the pressure regulating outlet is rectangular, and limit posts are arranged on two sides of the pressure regulating outlet; the appearance of cushion and the shape looks adaptation of adjusting the pole notch are equipped with the semicircle hole on the cushion, and it is with the spacing post looks adaptation of adjusting the pole. Preferably, the adjusting compression ring is provided with a limit column, the limit bolt is provided with a fan-shaped groove, and the limit bolt and the fan-shaped groove are matched with each other to realize travel limit. The pressure regulating valve compri