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CN-224214764-U - Exhaust valve with controllable exhaust gas quantity

CN224214764UCN 224214764 UCN224214764 UCN 224214764UCN-224214764-U

Abstract

The utility model belongs to the technical field of water delivery and exhaust, and particularly relates to an exhaust valve with controllable exhaust capacity, which comprises a valve body, wherein a circular main exhaust port and an auxiliary exhaust port are arranged at the top end of the valve body, the main exhaust port is fixedly connected with a main exhaust nozzle, the auxiliary exhaust port is fixedly connected with an auxiliary exhaust nozzle, the diameter of the ring opening of the main exhaust port is larger than or equal to that of the auxiliary exhaust port, the outer wall of the main exhaust nozzle is provided with threads and is in threaded connection with a main valve, and the outer wall of the auxiliary exhaust nozzle is provided with threads and is in threaded connection with an auxiliary valve. The utility model can keep the low cost of the mechanical control technology, solves the problems of limited precision and easy impurity blocking and timely response to the internal change of the system in the structure used by the traditional exhaust valve, and is suitable for the requirements of different situations of daily household water pipe exhaust.

Inventors

  • GUO CHUANLE
  • Feng Yepeng
  • WANG CHAO

Assignees

  • 山东鲁恒泵业科技有限公司

Dates

Publication Date
20260508
Application Date
20250625

Claims (8)

  1. 1. The utility model provides a controllable discharge valve of displacement, includes valve body (3), its characterized in that, valve body (3) top is equipped with circular shape main gas vent (33) and vice gas vent (37), main gas vent (33) rigid coupling has main gas outlet nozzle (34), and vice gas vent (37) rigid coupling has vice gas outlet nozzle (38), the circle mouth diameter of main gas vent (33) is greater than or equal to the circle mouth diameter of vice gas vent (37), main gas outlet nozzle (34) outer wall is equipped with screw thread and threaded connection have main valve (1), vice gas outlet nozzle (38) outer wall is equipped with screw thread and threaded connection have vice valve (2).
  2. 2. The exhaust valve with controllable exhaust capacity according to claim 1, wherein the main valve (1) comprises a first sealing cover (11) and a second sealing cover (12), the inner wall of the second sealing cover (12) is provided with threads and is in spiral fit with the outer wall of the main air outlet nozzle (34), the top end of the second sealing cover (12) is provided with a plurality of connecting pieces (14) along the circumferential interval, the outer walls of the connecting pieces (14) are provided with threads, the inner wall of the first sealing cover (11) is provided with threads and is in spiral fit with the outer walls of the connecting pieces (14), the top end of a valve body (3) at the periphery of the main air outlet nozzle (34) is provided with a spring (35), the top of the spring (35) is connected with a rubber ring (36), the inner ring of the rubber ring (36) is tightly fit with the outer wall of the main air outlet nozzle (34), and the top end of the rubber ring (36) is tightly fit with the bottom end of the second sealing cover (12).
  3. 3. The exhaust valve with controllable exhaust capacity according to claim 2, wherein the upper end of the screw thread of the inner wall of the second sealing cover (12) is provided with a sealing plug (13), the sealing plug (13) is a plurality of sector-shaped pieces, the arc edges of the sector-shaped pieces are connected to the inner wall of the second sealing cover (12), and the straight edges of the sector-shaped pieces of the sealing plug (13) are connected to form a complete circle.
  4. 4. The exhaust valve with controllable exhaust capacity according to claim 2, wherein the inner top end of the first sealing cover (11) is connected with a fixing piece (15), the fixing piece (15) is a cylinder made of a rubber plate, one side plane of the fixing piece is connected with the inner top end of the first sealing cover (11), and the circular diameter formed by the fixing piece (15) is smaller than or equal to the circular diameter formed by the connecting piece (14).
  5. 5. The exhaust valve with controllable exhaust capacity according to claim 1, wherein the diameter of the inner wall of the auxiliary exhaust nozzle (38) is larger than that of the auxiliary exhaust port (37), the auxiliary exhaust nozzle (38) is arranged at the periphery of the auxiliary exhaust port (37), the auxiliary valve (2) comprises a flow control member (21) and a flow control cap (22), the flow control member (21) is a combination of a cylinder and a cone, the tip of the cone part is downwards arranged in the auxiliary exhaust port (37), the outer wall of the cylinder part is provided with threads and is in spiral fit with the inner wall of the auxiliary exhaust nozzle (38), and the inner wall of the flow control cap (22) is provided with threads and is in spiral fit with the outer wall of the cylinder part of the flow control member (21).
  6. 6. The exhaust valve with controllable exhaust amount according to claim 5, characterized in that the top end of the auxiliary exhaust port (37) is connected with a sealing ring (39).
  7. 7. The exhaust valve with controllable exhaust capacity according to claim 4, wherein the exhaust part (31) is arranged inside the valve body (3), the exhaust part (31) is provided with a fixing frame (312) and the fixing frame (312) is connected to the inner wall of the valve body (3), air is filled inside the exhaust part (31), the top of the exhaust part (31) is made of stainless steel by welding, a floating part (313) is arranged in the center of the bottom of the exhaust part (31), the bottom of the floating part (313) is connected with the exhaust part (31) through a thermoplastic rubber layer, the bottom of the exhaust part (31) is fixedly connected with the floating part (313), the top of the exhaust part (31) is communicated with a rubber plug (311), the connecting part of the rubber plug (311) and the exhaust part (31) is a thermoplastic rubber connecting layer, and the rubber plug (311) is arranged right below the main exhaust port (33).
  8. 8. The exhaust valve with controllable exhaust amount according to claim 7, characterized in that a gap exists between the two sides of the exhaust piece (31) and the inner wall of the valve body (3), and a ventilation net (32) is arranged at the gap.

Description

Exhaust valve with controllable exhaust gas quantity Technical Field The utility model belongs to the technical field of water delivery and exhaust, and particularly relates to an exhaust valve with controllable exhaust capacity. Background The automatic exhaust valve is a device for automatically exhausting air or gas in a pipeline system and is widely applied to the fields of heating ventilation and air conditioning, water supply and drainage, industrial pipelines and the like. Before the development of the automatic exhaust valve, the early pipeline system depends on the manual exhaust valve, needs manual operation, has low efficiency and is easy to miss, and along with the industrial development, the automation requirement promotes the prototype of the automatic exhaust valve. At present, the control technology of the automatic exhaust valve adopts a mechanical control technology, an electric/pneumatic control technology and an intelligent control technology respectively, wherein the electric/pneumatic control technology depends on a power supply and a control system, the cost is high, the intelligent control technology is applicable to a large-scale pipe network, daily household is not applicable, and a household small-sized exhaust valve mainly adopts a mechanical control technology with low cost. Two main structures adopted in the mechanical control technology are a floating ball type lever mechanism and an orifice plate and spring adjusting mechanism, but the floating ball type lever mechanism has limited precision and is easy to be blocked by impurities, and the orifice plate and the spring adjusting mechanism cannot respond to the internal change of the system in time. The novel household exhaust valve is needed at present, the low cost of a mechanical control technology can be maintained, and the problems that the precision of a floating ball type lever mechanism is limited and is easy to be blocked by impurities and the problem that an orifice plate and a spring cannot respond to the internal change of a system in time are solved. Disclosure of utility model The utility model aims to provide an exhaust valve with controllable exhaust quantity so as to solve the technical problems. In order to achieve the technical purpose, the technical scheme of the utility model comprises the following steps: The utility model provides a controllable discharge valve of displacement, includes the valve body, the valve body top is equipped with circular shape main gas vent and vice gas vent, main gas vent rigid coupling has main gas outlet tap, and vice gas vent rigid coupling has vice gas outlet tap, the circle mouth diameter of main gas vent is greater than or equal to the circle mouth diameter of vice gas vent, main gas outlet tap outer wall is equipped with screw thread and threaded connection has main valve, vice gas outlet tap outer wall is equipped with screw thread and threaded connection has vice valve. As a further improvement, the main valve comprises a first sealing cover and a second sealing cover, wherein the inner wall of the second sealing cover is provided with threads and is in spiral fit with the outer wall of the main air outlet nozzle, a plurality of connecting pieces are arranged at the top end of the second sealing cover along the circumferential interval, the connecting pieces extend upwards for the second sealing cover and are not connected with each other, the outer walls of the connecting pieces are provided with threads, the inner wall of the first sealing cover is provided with threads and is in spiral fit with the outer walls of the connecting pieces, the top end of the main air outlet nozzle is provided with a spring, the top of the spring is connected with a rubber ring, the inner ring of the rubber ring is tightly attached to the outer wall of the main air outlet nozzle, and the top end of the rubber ring is tightly attached to the bottom end of the second sealing cover. As a further improvement, the upper end of the screw thread of the second inner wall of the sealing cover is provided with a sealing plug, the sealing plug is provided with a plurality of fan-shaped sheets, the arc edges of the fan-shaped sheets are connected with the second inner wall of the sealing cover, and the straight edges of the sealing plug are connected to form a complete circle. As a further improvement, a fixing piece is connected to the inner top end of the sealing cover, the fixing piece is a cylinder made of a rubber plate, one side plane of the fixing piece is connected with the inner top end of the sealing cover, and the circular diameter formed by the fixing piece is smaller than or equal to the circular diameter formed by the connecting piece. As a further improvement, the diameter of the inner wall of the auxiliary air outlet nozzle is larger than that of the auxiliary air outlet nozzle, the auxiliary air outlet nozzle is arranged on the periphery of the auxiliary air outlet nozzle, the auxili