CN212928790U

CN212928790U - Blowdown integrative valve of exhaust

Info

Publication number: CN212928790U
Application number: CN202021852310.3U
Authority: CN
Inventors: 蔡善良
Original assignee: Yuhuan Zhongliang Fluid Intelligent Control Co ltd
Current assignee: Yuhuan Zhongliang Fluid Intelligent Control Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-09
Anticipated expiration: 2030-08-31

Abstract

The utility model provides an integrative valve of blowdown exhaust belongs to valve technical field. The drainage valve solves the problems of simple design and single function of the existing drainage valve applied to the water distributor in the floor heating system. This integrative valve of blowdown exhaust, the main valve body that has the die cavity including inside, main valve body top sealing connection has the valve gap, the bottom is equipped with the joint that can external blast pipe, the external end that is connected with the water knockout drum has on the main valve body perisporium, the internal portion of main valve still is provided with by the float, the waste fitting discharging that connecting seat and rocker are constituteed, the float top has the bellied seat that makes progress, be connected through spacing support cooperation between bellied seat and the connecting seat, set up the exhaust hole that supplies gas outgoing on the rocker, the position department that the rocker bottom corresponds the exhaust hole has downwardly extending and can support the extension seat that leans on with the connecting seat top seal, the internal portion of main. The utility model has the advantages of simple structure, convenient operation and practicality are strong.

Description

Blowdown integrative valve of exhaust

Technical Field

The utility model belongs to the technical field of the valve, a valve, in particular to integrative valve of blowdown exhaust is related to.

Background

The exhaust valve is applied to exhaust of pipelines such as an independent heating system, a central heating system, a heating boiler, a central air conditioner, a floor heating system, a solar heating system and the like or exhaust through an exhaust pipe; the blowoff valve evolves by the gate and comes, utilizes the rotatory 90 degrees drive valve rod lifts of gear to realize opening and the purpose of closing, and moment is little, and is easy and simple to handle, easily realizes opening and close fast.

The blowdown valve applied to the water distributor in the floor heating system at present is simple in design and single in function, cannot be combined with the function integrated design of an exhaust valve, and lacks the function of detecting the air tightness of each pipeline in the floor heating system in the blowdown valve, so that people cannot meet the blowdown and exhaust valves of each single structure on the market at present, and the blowdown and exhaust integrated valve is designed to solve the problems.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide an integrative valve of blowdown exhaust, solve above problem.

The purpose of the utility model can be realized by the following technical proposal: a blowdown and exhaust integrated valve is characterized by comprising a main valve body with a cavity inside, wherein the top of the main valve body is connected with a valve cover in a sealing manner, the bottom of the main valve body is provided with a joint capable of being connected with an external exhaust pipe, the peripheral wall of the main valve body is provided with an external end connected with a water separator, a blowdown device consisting of a floater, a connecting seat and a rocker is further arranged inside the main valve body, the top of the floater is provided with an upward convex seat, the convex seat and the connecting seat are connected in a matched manner through a limiting support, fixing seats are arranged at the bottom of the rocker and positioned at two sides of the connecting seat and extend downwards, the limiting support consists of U-shaped limiting single frames which are symmetrical left and right, the outer ends of the two U-shaped limiting single frames pass through corresponding positions in the connecting seat and are bent to extend out of the corresponding fixing seats, and the rocker is provided with, the position of the bottom of the rocker corresponding to the vent hole is provided with an extension seat which extends downwards and can be abutted against the top of the connecting seat in a sealing way, the extension seat is arranged in a hollow way and is communicated with the vent hole, and a control device which can realize the function of storing and discharging water in the main valve body is arranged in the main valve body and below the float.

In the blowdown integrative valve of exhaust, valve gap middle part be connected with the stifled cap, last stifled cap and valve gap between be provided with wear-resisting packing ring.

In the above-mentioned integrative valve of blowdown exhaust, the position department that corresponds extension seat in the connecting seat seted up the trompil, and the sealed gasket that installs in this trompil, the top surface of this gasket and the bottom surface of extending the seat are sealed to be leaned on.

In the blowdown integrative valve of exhaust, the bellying seat on seted up and supply spacing support movable mounting's activity hole.

In the above-mentioned blowdown integrative valve of exhausting, controlling means constitute by disk seat, control knob and the spheroid that has the perforation, the spheroid roll through the disk seat install in the main valve body, control knob one end stretch into the spheroid, the other end stretches out outside the main valve body, control knob and main valve body between be provided with a plurality of sealing washer that play the sealed effect.

In foretell integrative valve of blowdown exhaust, the joint pass through lock nut spacing connection in main valve body bottom, lock nut and main valve body threaded connection, the outer wall at joint top has the spacing arch of radial outside extension, spacing protruding spacing connection between lock nut and main valve body, spacing arch and main valve body between still be provided with seal ring.

In the blowdown and exhaust integrated valve, the external end is connected with the water separator through the movable nut, the external end is sleeved with the sealing element with the sealing function, and the sealing element with the sealing function is arranged between the valve cover and the rocker.

In the above-mentioned blowdown integrative valve of exhausting, this blowdown integrative valve of exhausting still includes lower stifled cap, and links through the connecting band between this lower stifled cap and the main valve body, lower stifled cap can be used for preventing that rivers from leaking outward with main valve body bottom threaded connection.

Compared with the prior art, this integrative valve of blowdown exhaust is with blowdown and exhaust function set in an organic whole, optimize traditional blowoff valve inner structure, through the depositing of the controlling means control rivers of constituteing the formation by spheroid and control knob linkage, through by the float, the waste fitting discharging of connecting seat and rocker constitution is with excessive gas outgoing, simple structure and convenient operation, in addition, this valve still can connect through the dismantlement and change stifled cap from top to bottom, a phenomenon for preventing to leak, and when using the joint, can regard as the end of intaking with the joint, toward the inside water flowing through of valve, a leakproofness for detecting each pipeline of water knockout drum.

Drawings

Fig. 1 is a schematic perspective view of the blowdown and exhaust integrated valve.

Fig. 2 is a schematic sectional structure view of the blowdown and exhaust integrated valve.

Fig. 3 is a schematic diagram of a part of an explosion structure in the blowdown exhaust integrated valve.

In the figure, 1, a main valve body; 2. a valve cover; 3. a joint; 4. connecting an end head externally; 5. a float; 6. a connecting seat; 7. a rocker; 8. a boss base; 9. a limiting bracket; 10. a fixed seat; 11. a U-shaped limiting single frame; 12. an exhaust hole; 13. an extension base; 14. an upper plugging cap; 15. a wear-resistant washer; 16. a gasket; 17. a movable hole; 18. a valve seat; 19. a control knob; 20. a sphere; 21. a seal ring; 22. a lock nut; 23. a limiting bulge; 24. a sealing gasket; 25. a seal member; 26. a lower plugging cap; 27. and a connecting belt.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in figures 1, 2 and 3, the blowdown and exhaust integrated valve comprises a main valve body 1 with a cavity inside, a valve cover 2 is hermetically connected to the top of the main valve body 1, a connector 3 capable of being externally connected with an exhaust pipe is arranged at the bottom of the main valve body, an external end 4 connected with a water separator is arranged on the peripheral wall of the main valve body 1, a blowdown device consisting of a floater 5, a connecting seat 6 and a rocker 7 is further arranged inside the main valve body 1, a convex seat 8 protruding upwards is arranged at the top of the floater 5, the convex seat 8 is connected with the connecting seat 6 in a matched manner through a limiting bracket 9, fixing seats 10 extending downwards are arranged at the bottom of the rocker 7 and positioned at two sides of the connecting seat 6, the limiting bracket 9 consists of U-shaped limiting single frames 11 which are symmetrical left and right, the outer ends of the two U-shaped limiting single frames 11 pass through corresponding positions in the connecting seat 6 and are bent and extend out of the corresponding fixing seats, an exhaust hole 12 for exhausting gas is arranged on the rocker 7, an extension seat 13 which extends downwards and can be sealed and abutted against the top of the connecting seat 6 is arranged at the position of the bottom of the rocker 7 corresponding to the exhaust hole 12, the extension seat 13 is arranged in a hollow way and is mutually communicated with the exhaust hole 12, the extension seat 13 is in a tapered sleeve shape, the outer diameter of the extension seat is gradually reduced from inside to outside, a control device for realizing the water discharging function of the main valve body 1 is arranged inside the main valve body 1 and below the floater 5, an upper plugging cap 14 is connected at the middle part of the valve cover 2, a wear-resistant gasket 15 is arranged between the upper plugging cap 14 and the valve cover 2, an opening is arranged at the position of the corresponding extension seat 13 in the connecting seat 6, a gasket 16 is arranged in the opening in a sealing way, the top surface of the gasket 16 is sealed and abutted against the bottom surface of the extension seat 13, a movable hole, when the floater 5 floats upwards due to the buoyancy of water, the floater contacts the limiting support 9 through the bottom wall in the convex seat 8 and drives the limiting support 9 to move upwards, and according to the lever principle, the fixing seat 10 is used as a supporting point, the limiting support 9 drives the connecting seat 6 connected with the limiting support 9 to descend to separate the gasket 16 from the extending seat 13, so that gas is discharged outwards through the exhaust hole 12, and the upper plugging cap 14 needs to be detached before the exhaust work.

Preferably, the blowdown and exhaust integrated valve further comprises a lower blocking cap 26, the lower blocking cap 26 is connected with the main valve body 1 through a connecting band 27, and the lower blocking cap 26 can be in threaded connection with the bottom of the main valve body 1 to prevent water from leaking outside.

In more detail, the control device comprises a valve seat 18, a control knob 19 and a sphere 20 with a through hole, the sphere 20 is installed in the main valve body 1 through the valve seat 18 in a rolling manner, one end of the control knob 19 extends into the sphere 20, the other end extends out of the main valve body 1, a plurality of sealing rings 21 with sealing function are arranged between the control knob 19 and the main valve body 1, a connector 3 is connected to the bottom of the main valve body 1 in a limiting manner through a lock nut 22, the lock nut 22 is in threaded connection with the main valve body 1, a limiting bulge 23 extending outwards in the radial direction is arranged on the outer wall of the top of the connector 3, the limiting bulge 23 is connected between the lock nut 22 and the main valve body 1 in a limiting manner, a sealing gasket 24 is further arranged between the limiting bulge 23 and the main valve body 1, an external end 4 is connected with a water separator through a movable nut, a sealing piece 25 with sealing function is sleeved, multiple sealed design improves the structural seal nature.

The external end 4 of the main valve body 1 is connected with a water separator, water enters the main valve body 1 through the external end 4, the floater 5 rises through buoyancy after the water enters, the connecting seat 6 sinks relatively through the lever principle due to the connection relation among the floater 5, the limiting support 9 and the connecting seat 6, so that a gasket 16 on the connecting seat 6 is separated from the exhaust hole 12, and in addition, the upper plugging cap 14 needs to be disassembled when the work is carried out, so that the gas above the water can be exhausted from the exhaust hole 12 due to the density relation between the gas and the water, and the exhaust effect is achieved; in addition, the opening and closing of the ball body 20 are controlled by the control knob 19, so that the purpose of storing water inside the main valve body 1 is achieved, the joint 3 can be used as a drainage end to be connected with a drainage pipe, can also be used as a water inlet end to be used for checking the air tightness of the whole device and a water distributor pipeline, and in addition, the lower plugging cap 26 can be connected with the bottom of the main valve body 1 through threads by means of disassembling the joint 3 and the locking nut 22, so that the water leakage phenomenon is prevented.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. A blowdown and exhaust integrated valve is characterized by comprising a main valve body (1) with a cavity inside, wherein the top of the main valve body (1) is hermetically connected with a valve cover (2), the bottom of the main valve body is provided with a joint (3) capable of being connected with an external exhaust pipe, the peripheral wall of the main valve body (1) is provided with an external end (4) connected with a water distributor, a blowdown device consisting of a floater (5), a connecting seat (6) and a rocker (7) is further arranged inside the main valve body (1), the top of the floater (5) is provided with an upwards-convex boss (8), the boss (8) and the connecting seat (6) are connected in a matched manner through a limiting support (9), fixing seats (10) extend downwards from the bottom of the rocker (7) and the two sides of the connecting seat (6), and the limiting support (9) consists of U-shaped limiting single frames (11) which are symmetrical left and right, two the outer end of the spacing monospar of U type (11) all passes through corresponding position department in connecting seat (6) and buckles to extend and wear out outside corresponding fixing base (10), rocker (7) on set up and supply gas exhaust hole (12), the corresponding position department in exhaust hole (12) in rocker (7) bottom have downwardly extending and can support extension seat (13) that lean on with connecting seat (6) top seal, this extension seat (13) are the cavity setting and communicate each other with exhaust hole (12), the main valve body (1) inside and be located the below of float (5) and be provided with the controlling means that can realize main valve body (1) deposit the water function.

2. A blowdown and exhaust integrated valve according to claim 1, wherein an upper block cap (14) is connected to the middle of the valve cover (2), and a wear-resistant gasket (15) is arranged between the upper block cap (14) and the valve cover (2).

3. A blowdown and exhaust integrated valve according to claim 1, wherein an opening is formed in the connecting seat (6) at a position corresponding to the extension seat (13), a gasket (16) is hermetically mounted in the opening, and the top surface of the gasket (16) is in sealing abutment with the bottom surface of the extension seat (13).

4. The blowdown and exhaust integrated valve as claimed in claim 1, wherein the boss (8) is provided with a movable hole (17) for movably mounting the limit bracket (9).

5. A waste discharge and exhaust integrated valve according to claim 1, wherein the control device comprises a valve seat (18), a control knob (19) and a ball (20) with a through hole, the ball (20) is rotatably mounted in the main valve body (1) through the valve seat (18), one end of the control knob (19) extends into the ball (20), the other end of the control knob extends out of the main valve body (1), and a plurality of sealing rings (21) are arranged between the control knob (19) and the main valve body (1) for sealing.

6. A blowdown and exhaust integrated valve according to claim 1, wherein the joint (3) is connected to the bottom of the main valve body (1) in a limiting manner through a lock nut (22), the lock nut (22) is in threaded connection with the main valve body (1), a limiting bulge (23) extending radially outwards is arranged on the outer wall of the top of the joint (3), the limiting bulge (23) is connected between the lock nut (22) and the main valve body (1) in a limiting manner, and a sealing gasket (24) is further arranged between the limiting bulge (23) and the main valve body (1).

7. A blowdown and exhaust integrated valve according to claim 1, wherein the external end head (4) is connected with the water separator through a movable nut, a sealing element (25) for sealing is sleeved on the external end head (4), and the sealing element (25) for sealing is arranged between the valve cover (2) and the rocker (7).

8. A blowdown and exhaust integrated valve according to claim 1, further comprising a lower block cap (26), wherein the lower block cap (26) is connected with the main valve body (1) through a connecting band (27), and the lower block cap (26) can be screwed with the bottom of the main valve body (1) for preventing water from leaking outwards.