CN215831183U - Sealing valve of heating system - Google Patents

Abstract

The utility model discloses a sealing valve of a heating system, which comprises a valve seat, a valve column, a side frame, a limiting rod and a head thread. According to the heat supply system sealing valve, the column body rotates downwards in the thread groove in the cavity through the column body threads, the movable ring plate at the bottom of the bottom plate body is contacted with the bearing frame and continuously rotates downwards, the top end of the movable ring plate is contacted with the cushion pad, the limiting rod penetrates through the column body through the limiting hole, the head threads at the front end of the limiting rod are installed into the thread positioning groove to be positioned, the fixing of the limiting rod is kept, the movable ring plate retracts towards the inside of the bottom plate body under the pressure compression, the movable ring plate extrudes the cushion pad, the air is discharged and pressed into the pressure reduction cavity, the continuous compression of the column body caused by the pressure is reduced, an auxiliary sealing structure can be arranged in a single valve, the sealing performance of the valve is not influenced by the temperature, and the tight sealing effect of the valve is realized.

Description

Sealing valve of heating system

Technical Field

The utility model relates to the technical field of heating systems, in particular to a sealing valve of a heating system.

Background

The law stipulates that the water for heat supply must use clean water to be beneficial to the health of people, the water for heat supply must use clean water to be beneficial to the environment, the water for heat supply must use clean water to be beneficial to the image of heat supply enterprises, and the heat preservation measures are mainly taken in China at present, the measure of heat supply is to integrate heat supply in a larger area, and the heat for production, life and heating is supplied to factories and civil buildings in the area by using a centralized heat source, and the centralized heat supply has been used for nearly one hundred years.

In the use process of the heating system, valves need to be arranged in each area to realize distinguishing control, and in the use process of each valve, the purpose of sealing the valves needs to be achieved because each valve is arranged, and the heat retained in the heating system can influence the sealing performance of a single valve, so that the valves cannot realize a tight sealing effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a heat supply system sealing valve, which can be provided with an auxiliary sealing structure in a single valve, ensure that the sealing performance of the valve is not influenced by temperature, realize the tight sealing effect of the valve and solve the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a heating system sealing valve, includes valve seat, valve post, side frame, gag lever post and head screw thread, the inside of valve seat is equipped with the valve post, one side of valve seat is equipped with the side frame, side frame fixed mounting is on the valve seat, the side frame is run through by the gag lever post, the gag lever post is close to the one end of valve seat and has seted up the head screw thread.

Preferably, the valve seat includes valve frame, valve inner chamber, through-hole, screw thread constant head tank, accepts frame and decompression chamber, the valve inner chamber has been seted up to the inside of valve frame, one side that the valve inner chamber is close to the side frame is equipped with the through-hole, one side that the through-hole was kept away from to the valve inner chamber is equipped with the screw thread constant head tank, the bottom of valve inner chamber is equipped with accepts the frame, accept fixed connection between frame and the valve frame, the inside of accepting the frame is equipped with the decompression chamber.

Preferably, the valve column comprises a column body, an external handle, a limiting hole, column threads and a sealing bottom plate, the external handle is fixedly mounted at the top end of the column body, the limiting hole is formed in the column body, the column threads are arranged below the limiting hole, and the sealing bottom plate is fixedly connected to the bottom end of the column body.

Preferably, the sealing bottom plate comprises a bottom plate body, a movable ring plate and a cushion pad, the movable ring plate is arranged at the bottom of the bottom plate body and movably mounted in an inner cavity of the bottom plate body, the cushion pad is arranged above the movable ring plate, and the cushion pad is fixedly mounted inside the bottom plate body.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model relates to a heat supply system sealing valve, a column body is arranged inside an inner cavity of the valve, an external handle is rotated, the column body rotates downwards in a thread groove in the inner cavity through a column body thread, a movable ring plate at the bottom of a bottom plate body is contacted with a bearing frame and continuously rotates downwards, the top end of the movable ring plate is contacted with a cushion pad, a limiting rod penetrates through the column body through a limiting hole, a head part thread at the front end of the limiting rod is arranged in a thread positioning groove for positioning, the fixing of the limiting rod is kept, the column body is positioned, meanwhile, when the air pressure in the valve frame is too strong, the movable ring plate is pressed by the air pressure to retract towards the inner part of the bottom plate body, the cushion pad is extruded by the movable ring plate, the air is pressed into a decompression cavity, the continuous pressing of the column body caused by the air pressure is reduced, and an auxiliary sealing structure can be arranged in a single valve, the sealing performance of the valve is not affected by the temperature, and the tight sealing effect of the valve is realized.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic view of a valve seat according to the present invention;

FIG. 3 is a schematic view of the valve post of the present invention;

fig. 4 is a schematic structural diagram of the sealing bottom plate of the present invention.

In the figure: 1. a valve seat; 11. a valve frame; 12. an inner cavity of the valve; 13. a through hole; 14. a thread positioning groove; 15. a bearing frame; 16. a decompression chamber; 2. a valve post; 21. a shaft body; 22. an external handle; 23. a limiting hole; 24. the column body is threaded; 25. sealing the bottom plate; 251. a bottom plate body; 252. a movable ring plate; 253. a cushion pad; 3. a side frame; 4. a limiting rod; 5. the head is threaded.

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.

Referring to fig. 1-2, a heat supply system sealing valve includes a valve seat 1, a valve post 2, a side frame 3, a limiting rod 4 and a head thread 5, the valve post 2 is disposed inside the valve seat 1, the side frame 3 is disposed on one side of the valve seat 1, the side frame 3 is fixedly mounted on the valve seat 1, the side frame 3 is penetrated by the limiting rod 4, the head thread 5 is disposed on one end of the limiting rod 4 close to the valve seat 1, the head thread 5 is disposed on the front end of the limiting rod 4 after the limiting rod 4 penetrates the column body 21 through a limiting hole 23, the head thread 5 is disposed in a thread positioning groove 14 to be positioned, the limiting rod 4 is kept fixed, the column body 21 is positioned, the valve seat 1 includes a valve frame 11, a valve inner cavity 12, a through hole 13, a thread positioning groove 14, a receiving frame 15 and a decompression cavity 16, the valve inner cavity 12 is disposed inside the valve frame 11, the through hole 13 is disposed on one side of the valve inner cavity 12 close to the side frame 3, a thread positioning groove 14 is arranged on one side of the valve inner cavity 12 far away from the through hole 13, a receiving frame 15 is arranged at the bottom of the valve inner cavity 12, the receiving frame 15 is fixedly connected with the valve frame 11, and a decompression cavity 16 is arranged inside the receiving frame 15.

Referring to fig. 3-4, the valve column 2 includes a column body 21, an external handle 22, a limiting hole 23, a column thread 24 and a sealing bottom plate 25, the external handle 22 is fixedly installed at the top end of the column body 21, the limiting hole 23 is opened inside the column body 21, the column thread 24 is installed below the limiting hole 23, the sealing bottom plate 25 is fixedly connected to the bottom end of the column body 21, the sealing bottom plate 25 includes a bottom plate body 251, a movable ring plate 252 and a buffer pad 253, the bottom of the bottom plate body 251 is provided with the movable ring plate 252, the movable ring plate 252 is movably installed in the inner cavity of the bottom plate body 251, the buffer pad 253 is installed above the movable ring plate 252, the buffer pad 253 is fixedly installed inside the bottom plate body 251, the column body 21 is installed inside the valve inner cavity 12, the external handle 22 is rotated, the column body 21 rotates downward in the thread groove in the cavity through the column thread 24, the movable annular plate 252 at the bottom of the bottom plate body 251 is in contact with the receiving frame 15 and continuously rotates downwards, so that the top end of the movable annular plate 252 is in contact with the cushion pad 253, when the air pressure in the valve frame 11 is too strong, the movable annular plate 252 is pressed by the air pressure to retract into the bottom plate body 251, the movable annular plate 252 extrudes the cushion pad 253, the air pressure is released into the decompression cavity 16, and the continuous pressing of the air pressure on the column body 21 is reduced.

The working principle is as follows: install shaft body 21 in the inside of valve inner chamber 12, rotate external handle 22, shaft body 21 rotates downwards in the screw thread groove of intracavity through shaft screw thread 24, make the movable ring board 252 of bottom plate body 251 bottom contact with accepting frame 15, continue to rotate downwards, make the top of movable ring board 252 contact with blotter 253, run through shaft body 21 back with gag lever post 4 through spacing hole 23, the head screw thread 5 installation of gag lever post 4 front end enters into screw thread constant head tank 14 and fixes a position, keep the fixed of gag lever post 4, fix a position shaft body 21 simultaneously, when valve frame 11 inside atmospheric pressure was too strong, movable ring board 252 is oppressed by the atmospheric pressure and is retracted to inside of bottom plate body 251, make movable ring board 252 extrude blotter 253, the gassing is pressed into decompression chamber 16, it causes lasting oppression to reduce atmospheric pressure to shaft body 21.

In summary, the following steps: the utility model relates to a heat supply system sealing valve, a column body 21 is arranged in an inner cavity 12 of the valve, an external handle 22 is rotated, the column body 21 rotates downwards in a thread groove in the cavity through a column body thread 24, a movable ring plate 252 at the bottom of a bottom plate body 251 is contacted with a bearing frame 15 and continuously rotates downwards, the top end of the movable ring plate 252 is contacted with a cushion 253, after a limiting rod 4 penetrates through the column body 21 through a limiting hole 23, a head thread 5 at the front end of the limiting rod 4 is arranged and enters a thread positioning groove 14 for positioning, the fixing of the limiting rod 4 is kept, the column body 21 is positioned, meanwhile, when the air pressure in the valve frame 11 is too strong, the movable ring plate 252 is pressed by the air pressure to retract towards the inner part of the bottom plate body 251, the movable ring plate 252 presses the cushion 253, and deflates and presses into a decompression cavity 16, thereby reducing the continuous pressing of the column body 21 caused by the air pressure, this structure can set up supplementary sealed structure in single valve, ensures that the leakproofness of valve can not receive the influence of temperature, realizes the tight sealed effect of valve.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 (4)

1. The utility model provides a heating system sealing valve, includes valve seat (1), valve post (2), side frame (3), gag lever post (4) and head screw thread (5), its characterized in that: the novel valve seat is characterized in that a valve post (2) is arranged inside the valve seat (1), a side frame (3) is arranged on one side of the valve seat (1), the side frame (3) is fixedly installed on the valve seat (1), the side frame (3) is penetrated through by a limiting rod (4), and head threads (5) are arranged at one end, close to the valve seat (1), of the limiting rod (4).

2. A heating system sealing valve as claimed in claim 1, wherein: valve seat (1) includes valve frame (11), valve inner chamber (12), through-hole (13), screw thread constant head tank (14), accepts frame (15) and decompression chamber (16), valve inner chamber (12) have been seted up to the inside of valve frame (11), one side that valve inner chamber (12) are close to side frame (3) is equipped with through-hole (13), one side that through-hole (13) were kept away from in valve inner chamber (12) is equipped with screw thread constant head tank (14), the bottom of valve inner chamber (12) is equipped with accepts frame (15), accept fixed connection between frame (15) and valve frame (11), the inside of accepting frame (15) is equipped with decompression chamber (16).

3. A heating system sealing valve as claimed in claim 1, wherein: valve post (2) are including shaft body (21), external handle (22), spacing hole (23), shaft screw thread (24) and sealing bottom plate (25), the top fixed mounting of shaft body (21) has external handle (22), spacing hole (23) have been seted up to the inside of shaft body (21), the below in spacing hole (23) is equipped with shaft screw thread (24), the bottom fixedly connected with sealing bottom plate (25) of shaft body (21).

4. A heating system sealing valve as claimed in claim 3, wherein: the sealing bottom plate (25) comprises a bottom plate body (251), a movable annular plate (252) and a buffer pad (253), the movable annular plate (252) is arranged at the bottom of the bottom plate body (251), the movable annular plate (252) is movably arranged in an inner cavity of the bottom plate body (251), the buffer pad (253) is arranged above the movable annular plate (252), and the buffer pad (253) is fixedly arranged in the bottom plate body (251).

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