CN219317730U

CN219317730U - Water heating exhaust valve

Info

Publication number: CN219317730U
Application number: CN202320227040.4U
Authority: CN
Inventors: 张宾
Original assignee: Shandong Changsheng Construction Co ltd
Current assignee: Shandong Changsheng Construction Co ltd
Priority date: 2023-02-16
Filing date: 2023-02-16
Publication date: 2023-07-07
Anticipated expiration: 2033-02-16

Abstract

The utility model discloses a water heating exhaust valve in the related technical field of exhaust valves, which comprises an exhaust valve main body and a valve cover, wherein an upper flange plate is arranged at the upper end of the exhaust valve main body, the upper flange plate is in sealing connection with the valve cover through a fixed stud, an exhaust plug is arranged in the middle position above the valve cover through threaded connection, a supporting table is arranged at the position, close to the upper part, of a valve body inner cavity of the exhaust valve main body, and a matched sealing plate is arranged on the supporting table in a clamping manner. The water heating exhaust valve is provided with the installation limiting table and the lower installation flange plate, the first sealing groove is formed in the installation limiting table, the installation positioning precision is high, the water heating exhaust valve is matched with the exhaust plug by utilizing the float ball valve, the exhaust plug is connected with the valve cover through fine threads, the disassembly and the replacement are convenient, and the second sealing groove and the sealing gasket are arranged on the assembling joint surface of the valve cover and the exhaust valve main body, so that the exhaust valve main body has good sealing performance.

Description

Water heating exhaust valve

Technical Field

The utility model belongs to the technical field of exhaust valves, and particularly relates to a water heating exhaust valve.

Background

The exhaust valve is mainly applied to the pipeline exhaust of independent heating systems, central heating systems, heating boilers, central air conditioners, floor heating, solar heating systems and the like, because certain air is usually dissolved in water, the solubility of the air is reduced along with the rise of temperature, so that gas is gradually separated from water in the circulating process, and gradually gathered together to form large bubbles or even gas columns, because water is added, gas is often generated, in order to ensure the normal work of a water heating pipeline, the exhaust valve is arranged at the highest position of a pipeline branch, the current exhaust valve can cause liquid leakage during the use, and meanwhile, the installation is inconvenient, the air tightness effect is poor, and the patent number: the utility model provides an exhaust valve, CN201620267476.6, the adjusting screw stopper of setting can prevent that liquid from leaking, simultaneously can make the air slide under the condition of certain pressure, make the air discharge, semi-permeable membrane baffle can make the air pass through, the liquid can not pass through, prevent to leak, exhaust valve flat pad and ventilation flat pad can keep compression spring can not produce the side when receiving the extrusion and move, keep overall structure stable, sealing washer can keep the exhaust valve body can not produce and reveal when the installation, the installation hole is convenient for the installation of exhaust valve body is fixed, structural stability during operation, the mounting hole is equipped with more than one, the installation of convenient exhaust valve body is fixed, structural stability during operation, the effect is better, the through-hole can keep sealing washer to keep the installation can extrusion deformation, sealing washer middle part is concave setting, can improve the deflection greatly, promote sealing effect, be provided with the mounting hole around this exhaust valve and install, porous position installs and has more leakage risk, the realization exhaust, the life of spring is limited, need be overhauld, it is very inconvenient to change regularly.

The present utility model has been made in view of this.

Disclosure of Invention

The utility model aims to solve the technical problems of overcoming the defects of the prior art and providing a water heating exhaust valve, and adopts the following basic conception of the technical scheme:

the utility model provides a water heating exhaust valve, includes exhaust valve main part and valve gap, the upper end of exhaust valve main part is provided with the ring flange, go up the ring flange with the valve gap passes through fixed double-screw bolt sealing connection, exhaust plug is installed through threaded connection to the top intermediate position of valve gap, the position that the valve body inner chamber of exhaust valve main part is close to upper portion is provided with the brace table, cooperation closing plate is installed to the joint on the brace table, the second seal groove has been seted up on the upper plane of cooperation closing plate, install sealing washer in the second seal groove, the below intermediate position of cooperation closing plate is provided with cursory limiting cover, cursory ball valve has been placed in the cursory limiting cover, the lower extreme integral type of exhaust valve main part is provided with the installation limiting table, first seal groove has been seted up in the outside of installation limiting table.

As a further scheme of the utility model: the valve cover is characterized in that a second lock nut is matched and installed on the fixed stud at the upper plane position of the valve cover and used for fixedly locking the valve cover and the exhaust valve main body, the fixed stud is of a step structure design, a protective cover is installed on the upper step of the fixed stud, a first lock nut is matched and installed on the fixed stud at the upper plane position of the protective cover, and the first lock nut is used for fixedly installing the protective cover.

As still further aspects of the utility model: the sealing device is characterized in that a sealing snap ring is arranged on the lower plane of the valve cover, the outer circle of the sealing snap ring is used for being matched with the inner hole position at the upper end of the exhaust valve body, the bottom surface of the sealing snap ring is used for being matched with the upper plane of the matched sealing plate in a clamping manner, the assembly tightness is improved, a lower mounting flange plate is integrally arranged at the lower end position of the exhaust valve body, and the lower mounting flange plate is used for being fixedly mounted between the exhaust valve body and a water heating pipeline.

As still further aspects of the utility model: eight mounting holes are uniformly distributed and processed on the lower mounting flange, three through holes are uniformly distributed and processed on the upper flange, and the center position of the lower end of the exhaust valve main body is a communication port, so that water in a water pipe can enter the exhaust valve main body.

As still further aspects of the utility model: the utility model discloses a valve body, including cursory ball valve, cursory ball valve is the steel wire network structure, can with the valve body inner chamber keeps the liquid level unanimous, cursory ball valve selects for use the stainless steel material, cursory ball valve is hollow structure, cursory ball valve's diameter is less than cursory ball valve's diameter, cursory ball valve's diameter is greater than exhaust end cap lower extreme through-hole diameter, can effectually guarantee that cursory ball valve can be along smooth reciprocates, and can seal exhaust end cap lower extreme through-hole.

As still further aspects of the utility model: the upper end of exhaust end cap is provided with the protection network, install waterproof ventilated membrane in the inner chamber of exhaust end cap, the protection network selects for use steel wire network structure, the protection network is used for right waterproof ventilated membrane protects.

By adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects.

The lower end of the water heating exhaust valve is provided with the installation limiting table and the lower installation flange plate, the installation limiting table is provided with the first sealing groove, and the installation positioning precision is high and the sealing performance is good.

The water heating exhaust valve disclosed by the utility model has the advantages that the floating ball valve and the exhaust plug are matched for working, the exhaust is realized, the exhaust plug and the valve cover are connected through fine threads, the tightness is good, the disassembly and the replacement are convenient, and the second sealing groove and the sealing gasket are arranged on the assembling joint surface of the valve cover and the exhaust valve main body, so that the exhaust valve main body has good tightness, the structure is simple, and the water heating exhaust valve is safe and practical.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model, without limitation to the utility model. It is evident that the drawings in the following description are only examples, from which other drawings can be obtained by a person skilled in the art without the inventive effort. Attached at

In the figure:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a front view of the present utility model;

FIG. 3 is a cross-sectional view of the present utility model;

fig. 4 is an enlarged view of a portion of the present utility model at a.

In the figure: 1-an exhaust valve body; 2-a valve cover; 3-protecting cover; 4-mounting a flange plate downwards; 5-mounting holes; 6-upper flange plate; 7-fixing the stud; 8-a first lock nut; 9-a second lock nut; 10-mounting a limit table; 11-a first seal groove; 12-a communication port; 13-valve body cavity; 14-fitting a sealing plate; 15-a float limiting cover; 16-a sealing snap ring; 17-an exhaust plug; 18-a protective net; 19-a waterproof breathable film; 20-supporting table; 21-a float ball valve; 22-a second seal groove; 23-sealing gasket.

It should be noted that these drawings and the written description are not intended to limit the scope of the inventive concept in any way, but to illustrate the inventive concept to those skilled in the art by referring to the specific embodiments.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.

As shown in fig. 1 to 4, the water heating exhaust valve comprises an exhaust valve main body 1 and a valve cover 2, wherein an upper flange plate 6 is arranged at the upper end of the exhaust valve main body 1, the upper flange plate 6 is in sealing connection with the valve cover 2 through a fixing stud 7, an exhaust plug 17 is arranged at the middle position above the valve cover 2 through threaded connection, a supporting table 20 is arranged at the position, close to the upper part, of a valve body inner cavity 13 of the exhaust valve main body 1, a matched sealing plate 14 is arranged on the supporting table 20 in a clamping manner, a second sealing groove 22 is arranged on the upper plane of the matched sealing plate 14, a sealing gasket 23 is arranged in the second sealing groove 22, a float limiting cover 15 is arranged at the middle position below the matched sealing plate 14, a float ball valve 21 is arranged in the float limiting cover 15, an installation limiting table 10 is integrally arranged at the lower end of the exhaust valve main body 1, a first sealing groove 11 is arranged at the outer side of the installation limiting table 10, and the installation positioning precision is high and the sealing performance is good.

The second locking nut 9 is installed on the fixing stud 7 at the upper plane position of the valve cover 2 in a matched mode and used for fixedly locking the valve cover 2 and the exhaust valve main body 1, the fixing stud 7 is of a step structure design, the protection cover 3 is installed on the upper step of the fixing stud 7, the first locking nut 8 is installed on the fixing stud 7 at the upper plane position of the protection cover 3 in a matched mode, and the first locking nut 8 is used for fixedly installing the protection cover 3.

The sealing snap ring 16 is arranged on the lower plane of the valve cover 2, the outer circle of the sealing snap ring 16 is used for being matched with the inner hole position of the upper end of the exhaust valve body 1, the bottom surface of the sealing snap ring 16 is used for being matched with the upper plane of the matched sealing plate 14 in a clamping way, the assembly tightness is improved, the lower end position of the exhaust valve body 1 is integrally provided with the lower mounting flange 4, and the lower mounting flange 4 is used for being fixedly mounted between the exhaust valve body 1 and a water heating pipeline.

Eight mounting holes 5 are uniformly distributed and processed on the lower mounting flange 4, three through holes are uniformly distributed and processed on the upper flange 6, and the center of the lower end of the exhaust valve main body 1 is a communication port 12, so that water in the water pipe can enter the exhaust valve main body 1.

The float limiting cover 15 is of a steel wire net structure, the liquid level can be kept consistent with the liquid level of the inner cavity 13 of the valve body, the float ball valve 21 is made of stainless steel, the float ball valve 21 is of a hollow structure, the diameter of the float ball valve 21 is smaller than that of the float limiting cover 15, the diameter of the float ball valve 21 is larger than that of a through hole at the lower end of the exhaust plug 17, the float ball valve 21 can be effectively guaranteed to move up and down smoothly, and the through hole at the lower end of the exhaust plug 17 can be sealed.

The upper end of the exhaust plug 17 is provided with a protective screen 18, a waterproof and breathable film 19 is arranged in the inner cavity of the exhaust plug 17, the protective screen 18 adopts a steel wire net structure, and the protective screen 18 is used for protecting the waterproof and breathable film 19.

The working principle of the utility model is as follows: the installation limiting table 10 at the lower end of the vent valve main body 1 is matched with a reserved hole on a water heating pipe, a sealing ring is arranged in the first sealing groove 11, so that the installation tightness is guaranteed, then the installation limiting table is installed and fixed through the lower installation flange 4 and a bolt nut, when the vent valve main body 1 works, when the water level in the water heating pipe rises, water enters the inner cavity 13 of the valve body from the communication port 12, the float ball valve 21 is subjected to the buoyancy effect of the water, automatically floats up until the float ball valve is in sealing contact with the air outlet at the lower end of the vent plug 17, the vent plug 17 is sealed, the valve is automatically closed, when the water level in the valve is reduced, the float ball valve 21 can descend along with the water level, the vent plug 17 is in an air-discharging state, a large amount of air is injected into a pipeline through the vent plug 17, the air pressure in the water heating pipe is regulated, the waterproof breathable 19 in the vent plug 17 is made of ePTFE expanded, the vent valve has good breathable waterproof performance, the waterproof breathable film 19 can be effectively protected by the waterproof breathable film 18, damage caused by external substances to the breathable film 19 is reduced, the vent plug 17 and the valve cover 2 is connected with the valve cover 2 through threads through fine threads, and the vent valve is convenient to detach.

The foregoing description is only illustrative of the preferred embodiment of the present utility model, and is not to be construed as limiting the utility model, but is to be construed as limiting the utility model to any and all simple modifications, equivalent variations and adaptations of the embodiments described above, which are within the scope of the utility model, may be made by those skilled in the art without departing from the scope of the utility model.

Claims

1. The utility model provides a water heating exhaust valve, includes discharge valve main part (1) and valve gap (2), its characterized in that, the upper end of discharge valve main part (1) is provided with ring flange (6), go up ring flange (6) with valve gap (2) pass through fixed stud (7) sealing connection, discharge plug (17) are installed through threaded connection to the top intermediate position of valve gap (2), the position that valve body inner chamber (13) of discharge valve main part (1) is close to upper portion is provided with brace table (20), joint installs cooperation closing plate (14) on brace table (20), second seal groove (22) have been seted up on the upper plane of cooperation closing plate (14), install sealing washer (23) in second seal groove (22), the below intermediate position of cooperation closing plate (14) is provided with cursory limiting cap (15), cursory ball valve (21) have been placed in cursory limiting cap (15), the lower extreme integral type of discharge valve main part (1) is provided with installation limiting table (10), the outside of installation limiting table (10) is opened and is equipped with first seal groove (11).

2. The water heating exhaust valve according to claim 1, characterized in that a second locking nut (9) is installed on the fixing stud (7) at the upper plane position of the valve cover (2), the fixing stud (7) is of a step structure design, a protective cover (3) is installed on the upper step of the fixing stud (7), and a first locking nut (8) is installed on the fixing stud (7) at the upper plane position of the protective cover (3).

3. The water heating exhaust valve according to claim 1, characterized in that a sealing snap ring (16) is arranged on the lower plane of the valve cover (2), and a lower mounting flange plate (4) is integrally arranged at the lower end position of the exhaust valve main body (1).

4. A water heating exhaust valve according to claim 3, characterized in that eight mounting holes (5) are uniformly distributed and processed on the lower mounting flange plate (4), three through holes are uniformly distributed and processed on the upper flange plate (6), and the center position of the lower end of the exhaust valve main body (1) is a communication port (12).

5. The water heating exhaust valve according to claim 1, characterized in that the float limiting cover (15) is of a steel wire net structure, the liquid level of the float limiting cover can be kept consistent with that of the valve body inner cavity (13), the float ball valve (21) is made of stainless steel, the float ball valve (21) is of a hollow structure, the diameter of the float ball valve (21) is smaller than that of the float limiting cover (15), and the diameter of the float ball valve (21) is larger than that of a through hole at the lower end of the exhaust plug (17).

6. The water heating exhaust valve according to claim 1, characterized in that a protective net (18) is arranged at the upper end of the exhaust plug (17), a waterproof and breathable film (19) is arranged in an inner cavity of the exhaust plug (17), and the protective net (18) adopts a steel wire net structure.