CN216923337U

CN216923337U - Exhaust valve with low-temperature anti-freezing performance

Info

Publication number: CN216923337U
Application number: CN202220370186.XU
Authority: CN
Inventors: 季能平; 季天娇; 宋云阳
Original assignee: Shanghai Shanglong Water Supply Equipment Co ltd
Current assignee: Shanghai Shanglong Water Supply Equipment Co ltd
Priority date: 2022-02-23
Filing date: 2022-02-23
Publication date: 2022-07-08
Anticipated expiration: 2032-02-23

Abstract

The utility model discloses an exhaust valve with low-temperature anti-freezing performance, which relates to the technical field of exhaust valves and comprises an exhaust valve body, wherein a valve cover is arranged above the exhaust valve body, a micro exhaust head is arranged above the valve cover, a micro exhaust port is formed in the outer surface of the micro exhaust head, a connecting shaft is arranged inside the exhaust valve body, a vent groove is formed inside the connecting shaft, the vent groove penetrates through the connecting shaft, and a limiting plate and a piston body are fixedly connected to the outer surface of the connecting shaft. The utility model has reasonable design structure, can realize good exhaust effect on the interior of the exhaust valve body through the matching design of the exhaust valve body, the micro exhaust head, the micro exhaust port, the connecting shaft, the vent groove, the limiting plate, the piston body, the main valve flap, the pressure exhaust cavity and the bearing frame, can not cause the phenomenon that the main valve flap can not be opened in the interior of the exhaust valve body, and can realize large amount of exhaust.

Description

Exhaust valve with low-temperature anti-freezing performance

Technical Field

The utility model relates to the technical field of exhaust valves, in particular to an exhaust valve with low-temperature anti-freezing performance.

Background

The exhaust valve is applied to exhaust of pipelines such as an independent heating system, a centralized heating system, a heating boiler, a central air conditioner, a floor heating system, a solar heating system and the like, and is preferably installed together with the isolating valve when being installed, so that when the exhaust valve needs to be detached for maintenance, the tightness of the system can be ensured, and water cannot flow out. A low-density PP material which is not deformed even when soaked in high-temperature water for a long time.

However, the existing traditional combined type air inlet and outlet valve has the defect that a main valve flap cannot be opened to realize a large amount of air exhaust in the actual application process, and the valve body does not have any anti-freezing measure, so that the anti-freezing performance is low. To this end, we provide a vent valve with low temperature freeze resistance to solve the above problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims to make up the defects of the prior art and provides an exhaust valve with low-temperature anti-freezing performance.

II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an exhaust valve with low temperature freeze proof performance, includes the exhaust valve body, the valve gap is installed to the top of exhaust valve body, the trace exhaust head is installed to the top of valve gap, the trace gas vent has been seted up to the surface of trace exhaust head, the internally mounted of exhaust valve body has the connecting axle, the air channel has been seted up to the inside of connecting axle, the air channel runs through the connecting axle, the outer fixed surface of connecting axle is connected with limiting plate and piston body, the outer fixed surface of connecting axle is connected with the main valve lamella.

Furthermore, the upper part of the valve cover is provided with fixing screw rods in a circumferential array, and each fixing screw rod penetrates through the valve cover and is in sliding connection with the valve cover.

Furthermore, every the discharge valve body is all run through to clamping screw's bottom, every clamping screw's bottom all with discharge valve body threaded connection.

Furthermore, the inside of discharge valve body is equipped with the floater, the inside of valve gap is equipped with pressure exhaust cavity.

Furthermore, the inner wall of the exhaust valve body is provided with a bearing frame, and the floating ball is positioned in the bearing frame.

Furthermore, the outer surface of the bearing frame is provided with a vent hole, and the outer surface of the bearing frame is fixedly connected with a trace vent plug.

Further, the fixed surface of discharge valve body is connected with the mounting panel, the mounting hole that is the circumference array is seted up to the upper surface of mounting panel, every the mounting hole all runs through the mounting panel.

Thirdly), the beneficial effects are as follows:

compared with the prior art, this discharge valve with low temperature freeze proof performance has following beneficial effect:

according to the utility model, through the matching design of the exhaust valve body, the micro exhaust head, the micro exhaust port, the connecting shaft, the vent groove, the limiting plate, the piston body, the main valve flap, the pressure exhaust cavity and the bearing frame, a good exhaust effect can be realized in the exhaust valve body, the phenomenon that the main valve flap cannot be opened in the exhaust valve body is avoided, and a large amount of exhaust can be realized.

The exhaust valve body and the valve cover are conveniently connected and fixed through the matching design of the mounting hole, the mounting plate and the fixing screw rod and are conveniently detached and maintained, the exhaust valve body and the pipeline are conveniently mounted through the mounting hole and the mounting plate, and the exhaust valve body can be mounted on the pipeline through the mounting hole and the mounting screw rod.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a portion of the present invention;

fig. 3 is a schematic view of the internal structure of the exhaust valve body and the valve cover of the present invention.

In the figure: 1. a discharge valve body; 2. a micro exhaust head; 3. a micro exhaust port; 4. a connecting shaft; 5. a vent channel; 6. a limiting plate; 7. a piston body; 8. a main valve flap; 9. a pressure exhaust cavity; 10. a carrier; 11. a floating ball; 12. a vent hole; 13. a micro vent plug; 14. mounting holes; 15. mounting a plate; 16. a valve cover; 17. and fixing the screw rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, the present invention provides a technical solution: the utility model provides a discharge valve with low temperature freeze proof performance, including discharge valve body 1, discharge valve body 1's external fixed surface is connected with mounting panel 15, mounting hole 14 that is the circumference array is seted up to mounting panel 15's upper surface, every mounting hole 14 all runs through mounting panel 15, through the setting of mounting hole 14 and mounting panel 15, conveniently install discharge valve body 1 and pipeline, can install discharge valve body 1 to the pipeline through mounting hole 14 and installation screw rod, and conveniently demolish change and maintenance discharge valve body 1.

The inside of discharge valve body 1 is equipped with floater 11, and when the water level rose, floater 11 can rise, and the highest water level of this device was about discharge valve body 1's 1/3 department, by lower supreme, freeze proof protection was compromise simultaneously in this design, even freeze in winter and can not seal the gas vent, can reach good freeze proof effect, valve gap 16's inside is equipped with pressure exhaust cavity 9, and pressure exhaust cavity 9 makes things convenient for discharge valve body 1 inside to carry out a large amount of exhalations.

Bear frame 10 is installed to discharge valve body 1's inner wall, floater 11 is located the inside of bearing frame 10, the setting of bearing frame 10 can play the supporting role to floater 11, bear the surface of frame 10 and seted up air vent 12, setting through air vent 12, conveniently bear frame 10 and circulate with the inside gas of discharge valve body 1, bear the fixed surface of frame 10 and be connected with trace vent plug 13, when floater 11 rises, can drive trace vent plug 13 and rise, and then can seal the bottom of connecting axle 4.

Valve gap 16 is installed to discharge valve body 1's top, valve gap 16's top is equipped with the clamping screw 17 that is the circumference array, every clamping screw 17 all run through valve gap 16 and with valve gap 16 sliding connection, discharge valve body 1 all runs through to every clamping screw 17's bottom, every clamping screw 17's bottom all with discharge valve body 1 threaded connection, setting through clamping screw 17, it is convenient to connect and fix discharge valve body 1 and valve gap 16, and conveniently dismantle and maintain discharge valve body 1 and valve gap 16, trace exhaust head 2 is installed to valve gap 16's top, trace gas vent 3 has been seted up to trace exhaust head 2's surface, setting through trace exhaust head 2 and trace gas vent 3, conveniently carry out trace exhaust to discharge valve body 1's inside.

The internally mounted of discharge valve body 1 has connecting axle 4, air channel 5 has been seted up to the inside of connecting axle 4, air channel 5 runs through connecting axle 4, setting through connecting axle 4 and air channel 5, can make discharge valve body 1 and valve gap 16's inside be linked together, and conveniently realize the trace exhaust to discharge valve body 1's inside, the external fixed surface of connecting axle 4 is connected with limiting plate 6 and piston body 7, when the inside atmospheric pressure of trace exhaust head 2 is great, can promote piston body 7 downstream, the external fixed surface of connecting axle 4 is connected with main valve lamella 8, when connecting axle 4 goes up and down, can drive main valve lamella 8 and go up and down, can realize gaseous circulation between discharge valve body 1 and the valve gap 16.

The working principle is as follows: when a large amount of gas is gathered in the pipeline, the air pressure in the space above the valve cover 16 is increased, the exhaust speed of the micro exhaust port 3 is insufficient, so that the air pressure in the micro exhaust head 2 is increased, when the pressure in the micro exhaust head 2 reaches the pre-tightening force of the return spring, the piston body 7 is pushed by the air pressure in the micro exhaust head 2 to move downwards, because the piston body 7 is connected with the main valve flap 8 through the connecting shaft 4, the piston body 7 moves downwards to push the main valve flap 8 to move downwards, so that a large amount of exhaust can be performed on the gas in the exhaust valve body 1, after the gas is exhausted in a large amount, the pressure in the main valve body is reduced, the water level is increased, the floating ball 11 is increased along with the increase, the vent groove 5 is firstly closed, then the flap 8 is pushed to ascend until the main valve flap 8 is closed, meanwhile, the main valve flap 8 pushes the piston body 7 to reset through the connecting shaft 4, the large amount of exhaust is finished, and the cycle is performed, the device can not open the main valve flap 8 in the practical application process, and can realize a large amount of exhaust.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An exhaust valve with low-temperature anti-freezing performance comprises an exhaust valve body (1), and is characterized in that: valve gap (16) are installed to the top of discharge valve body (1), micro-exhaust head (2) are installed to the top of valve gap (16), micro-gas vent (3) have been seted up to the surface of micro-exhaust head (2), the internally mounted of discharge valve body (1) has connecting axle (4), air channel (5) have been seted up to the inside of connecting axle (4), air channel (5) run through connecting axle (4), the outer fixed surface of connecting axle (4) is connected with limiting plate (6) and piston body (7), the outer fixed surface of connecting axle (4) is connected with main valve lamella (8).

2. A gas vent valve having low temperature freeze resistance according to claim 1, wherein: the valve cover is characterized in that fixing screw rods (17) in a circumferential array are arranged above the valve cover (16), and each fixing screw rod (17) penetrates through the valve cover (16) and is in sliding connection with the valve cover (16).

3. A gas vent valve having low temperature freeze resistance according to claim 2, wherein: the bottom end of each fixing screw rod (17) penetrates through the exhaust valve body (1), and the bottom end of each fixing screw rod (17) is in threaded connection with the exhaust valve body (1).

4. A gas vent valve having low temperature freeze resistance according to claim 1, wherein: a floating ball (11) is arranged inside the exhaust valve body (1), and a pressure exhaust cavity (9) is arranged inside the valve cover (16).

5. An exhaust valve having low temperature freezing resistance according to claim 4, wherein: a bearing frame (10) is installed on the inner wall of the exhaust valve body (1), and the floating ball (11) is located inside the bearing frame (10).

6. An exhaust valve having low temperature freezing resistance according to claim 5, wherein: the outer surface of the bearing frame (10) is provided with a vent hole (12), and the outer surface of the bearing frame (10) is fixedly connected with a trace vent plug (13).

7. A gas vent valve having low temperature freeze resistance according to claim 1, wherein: the outer fixed surface of discharge valve body (1) is connected with mounting panel (15), mounting hole (14) that are the circumference array are seted up to the upper surface of mounting panel (15), every mounting hole (14) all run through mounting panel (15).