CN214305462U

CN214305462U - Steam pressure reduction valve that leakproofness is good

Info

Publication number: CN214305462U
Application number: CN202022846181.3U
Authority: CN
Inventors: 黄雄夏
Original assignee: Dalian Chiheng System Control Technology Co ltd
Current assignee: Dalian Chiheng System Control Technology Co ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-09-28
Anticipated expiration: 2030-12-01

Abstract

The utility model discloses a steam pressure reduction valve that leakproofness is good, including main body cover, main body cover's top is provided with the regulation structure, and one side of main body cover is provided with the medium export, main body cover's opposite side is provided with the filter tube, the top of filter tube is by one end and is provided with the valve body, and the one end of filter tube is provided with the medium import, the regulation structure includes the connection pad, and the upper portion of connection pad is by one side and is provided with the fixing base, the both sides that run through the fixing base are provided with the hand screw rod between two parties, the one end of hand screw rod is provided with the movable disc, and the upper portion of movable disc is by one side and is provided with the telescopic link, the top of telescopic link is provided with rotatory handle; a steam pressure reduction valve that leakproofness is good, not only be convenient for carry out pressure control to the pressure reduction valve, can effectively lock the regulation structure moreover, prevent to adjust the reverse rotation of structure, secondly can effectively carry out the backflushing to filtration, be convenient for clean.

Description

Steam pressure reduction valve that leakproofness is good

Technical Field

The utility model relates to a steam pressure reduction valve field, in particular to steam pressure reduction valve that leakproofness is good.

Background

The steam pressure reducing valve adopts the opening degree of an opening and closing part in a control valve body to adjust the flow of a medium, and can be divided into a diaphragm type, a spring film type, a piston type, a lever type and a bellows type according to the structural form, because the water quality is not clean and contains some impurities, a filtering device is required to be installed at an upstream water inlet of the pressure reducing valve, and the pressure reducing valve needs a strict sealing structure, so the steam pressure reducing valve with good sealing performance has the characteristics of good filtering performance, high safety and the like;

firstly, the existing steam pressure reducing valve with good sealing performance cannot effectively lock an adjusting structure, the internal pressure of the device is too high, the steam pressure reducing valve rebounds to cause the reverse rotation of the adjusting structure, and the locking structure easily influences the pressure adjustment of the pressure reducing valve; secondly, the inside of the steam relief valve with good sealing performance is easy to cause the blockage of impurities, which affects the closure of the valve, and the cleaning is also extremely difficult.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide a steam pressure reducing valve with good sealing performance, which can effectively solve the problems that the prior steam pressure reducing valve with good sealing performance can not effectively lock and adjust the structure, the internal pressure of the device is too high, the device can rebound to cause the reverse rotation of the adjusting structure, and the locking structure can easily influence the pressure adjustment of the pressure reducing valve; secondly, the inside of the steam relief valve that current leakproofness is good causes the jam of impurity easily, influences the closure of valve, and the clearance is also extremely difficult technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steam pressure reduction valve with good sealing performance comprises a main body shell, wherein an adjusting structure is arranged at the top of the main body shell, a medium outlet is formed in one side of the main body shell, a filtering pipeline is arranged on the other side of the main body shell, a valve body is arranged at the top of the filtering pipeline close to one end of the filtering pipeline, and a medium inlet is formed in one end of the filtering pipeline;

the adjusting structure includes the connection pad, and the upper portion of connection pad is provided with the fixing base by one side, the both sides that run through the fixing base are provided with the hand between two parties and twist the screw rod, the one end that the screw rod was twisted to the hand is provided with the activity dish, and the upper portion of activity dish is provided with the telescopic link by one side, the top of telescopic link is provided with rotatory handle, the inside of filter tube is provided with the filter screen between two parties, and the bottom of filter tube is provided with the drain by the centre, the last pipe wall that runs through the filter tube is provided with the flushing pipe by one end, and one side of flushing pipe evenly is provided with a plurality of groups of shower nozzles, the top of flushing pipe is provided with the end cap.

As a further proposal of the utility model, the rotary handle is connected with the threaded sleeve pipe meshing on the upper part of the main body shell through the threaded rod, and the connecting disc is welded with the threaded sleeve pipe.

As a further aspect of the utility model, the expansion disc is the setting of annular shape, and the inner ring is provided with ball bearing, and the expansion disc passes through ball bearing and threaded sleeve pipe swing joint.

As a further scheme of the utility model, the hand is twisted the screw rod and is connected through thread engagement with the fixing base, and the end that the screw rod was twisted to the hand is provided with rubber cushion, and the round draw-in groove has been seted up to the periphery of activity dish, and the internal diameter of this draw-in groove matches with the size that screw rod and rubber cushion were twisted to the hand.

As a further proposal of the utility model, the junction between the adjusting structure and the main body shell and the valve body, between the flushing pipe and the filtering pipe is provided with the sealing ring, and the top of the drain is provided with the dirt collecting groove with the funnel shape.

As a further scheme of the utility model, the equal fixed connection of upper and lower pipe wall of flushing line and filtering line is connected through the thread engagement between end cap and the flushing line, and the junction also is provided with the sealing washer.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model fixes the fixed seat by the connecting disc, the fixed seat, the hand-twisting screw rod is matched with the movable disc, the telescopic rod and the rotary handle, the hand-twisting screw rod is stably rotated and moved along a thread groove in the fixed seat by screw threads, thereby pushing the rubber cushion block to enter a peripheral clamping groove of the movable disc, clamping and fixing the movable disc, the rotary handle is fixed by the connection function of the telescopic rod, thereby fixing a threaded rod at the bottom end of the rotary handle, otherwise, the rubber cushion block is loosened with the clamping groove by rotating the hand-twisting screw rod, the rotary handle is rotated to drive the movable disc by the telescopic rod, the telescopic rod rotates around a threaded pipe by a ball bearing, simultaneously, the telescopic rod is extended or shortened, thereby the rotary handle drives the threaded rod to adjust a compression spring and a valve clack in the inner part, the pressure adjusting device not only facilitates the pressure adjustment of a pressure reducing valve, but also can effectively lock and adjust the structure, the reverse rotation of the adjusting structure caused by the rebound of excessive pressure in the device is prevented;

through setting up the valve body, the drain, end cap cooperation wash pipe, shower nozzle and filter screen, rotary valve body makes the valve body be the closure and blocks the medium, rotatory end cap takes off the end cap again, to wash pipe and external water pipe head pass through screw thread fixed connection, make the clear water get into from wash pipe by a plurality of shower nozzles blowout of organizing, carry out the backflushing to the filter screen, the impurity that makes the filter screen accumulation drops and flows into the dirty groove of collection, open the drain, make the dirty inslot portion's of collection impurity flow, this setting can effectively carry out the backflushing to the filtration of steam pressure reduction valve, it is convenient for clean.

Drawings

Fig. 1 is a schematic view of the overall structure of a steam pressure reducing valve with good sealing performance;

fig. 2 is a sectional view of an adjusting structure of a steam pressure reducing valve with good sealing performance;

fig. 3 is a sectional view of the filtering pipe of the steam pressure reducing valve of the present invention.

In the figure: 1. a main body housing; 2. an adjustment structure; 3. a media outlet; 4. a filtration pipeline; 5. a valve body; 6. a media inlet; 7. a connecting disc; 8. a fixed seat; 9. screwing the screw rod by hand; 10. a movable tray; 11. a telescopic rod; 12. rotating the handle; 13. a filter screen; 14. a sewage draining outlet; 15. flushing the pipeline; 16. a spray head; 17. and (7) a plug.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a steam pressure reducing valve with good sealing performance comprises a main body casing 1, wherein an adjusting structure 2 is arranged at the top of the main body casing 1, a medium outlet 3 is arranged at one side of the main body casing 1, a filtering pipeline 4 is arranged at the other side of the main body casing 1, a valve body 5 is arranged at the top of the filtering pipeline 4 close to one end, and a medium inlet 6 is arranged at one end of the filtering pipeline 4;

adjusting structure 2 includes connection pad 7, and the upper portion of connection pad 7 is provided with fixing base 8 by one side, the both sides of running through fixing base 8 are provided with the hand between two parties and twist screw rod 9, the one end that screw rod 9 was twisted to the hand is provided with activity dish 10, and the upper portion of activity dish 10 is provided with telescopic link 11 by one side, the top of telescopic link 11 is provided with rotatory handle 12, the inside of filter tube 4 is provided with filter screen 13 between two parties, and the bottom of filter tube 4 is provided with drain 14 by the centre, the last pipe wall that runs through filter tube 4 is provided with flushing pipe 15 by one end, and one side of flushing pipe 15 evenly is provided with a plurality of shower nozzles 16 of group, flushing pipe 15's top is provided with end cap 17.

The rotary handle 12 is meshed with a threaded sleeve pipe on the upper part of the main body shell 1 through a threaded rod, the connecting disc 7 is welded with the threaded sleeve pipe, and the rotary handle 12 is used for driving the threaded rod to rotate and move so as to adjust the size of an internal valve port of the pressure reducing valve.

The movable disc 10 is arranged in a circular ring shape, the inner ring is provided with a ball bearing, the movable disc 10 is movably connected with the threaded sleeve pipe through the ball bearing, and the ball bearing can enable the movable disc 10 to flexibly rotate around the threaded sleeve pipe.

The hand is twisted screw rod 9 and is connected through thread engagement with fixing base 8, and the end that screw rod 9 was twisted to the hand is provided with rubber cushion, and the round draw-in groove has been seted up to the periphery of activity dish 10, and the internal diameter of this draw-in groove matches with the size that screw rod 9 and rubber cushion were twisted to the hand, twists screw rod 9 through rotating the hand and can make rubber cushion and draw-in groove joint press from both sides the clamp tightly fixed with activity dish 10.

The junction between adjusting structure 2 and main body cover 1 and valve body 5, wash pipeline 15 and filtering duct 4 all is provided with the sealing washer, and the dirty groove of hourglass hopper-shaped collection is seted up at the top of drain 14, and the sealing washer improves the leakproofness of device structure, and the dirty groove of hourglass hopper-shaped collection is convenient for the concentrated discharge of impurity.

The upper pipe wall and the lower pipe wall of the flushing pipeline 15 and the filtering pipeline 4 are fixedly connected, the plug 17 is connected with the flushing pipeline 15 through threaded engagement, a sealing ring is arranged at the joint, the stability of the flushing pipeline 15 is improved, and the operation is convenient.

It should be noted that, the utility model relates to a steam pressure reducing valve with good sealing performance, when in use, firstly, the medium inlet 6 and the medium outlet 3 are both fixedly connected with the pipeline, so that the medium has the medium inlet 6 to enter the filtering pipeline 4, and flows to the filtering net 13 through the valve body 5, the impurities carried by the medium are filtered, so that the filtered medium enters the main body shell 1 of the pressure reducing valve, the compression degree of the internal compression spring is controlled by rotating the adjusting structure 2, thereby adjusting the movement of the valve clack, the flow of the medium is controlled by adjusting the size of the valve port, thereby adjusting the internal pressure, the fixing seat 8 is fixed by the connecting disc 7, the hand-screwing screw rod 9 is enabled to stably and rotationally move along the thread groove inside the fixing seat 8 through the thread, thereby pushing the rubber cushion block to enter the peripheral clamping groove of the movable disc 10, and clamping and fixing the movable disc 10, then the connection action of the telescopic rod 11 is utilized to fix the rotating handle 12, so that a threaded rod at the bottom end of the rotating handle 12 is fixed, otherwise, the rotating handle screws the threaded rod 9 to loosen the rubber cushion block and the clamping groove, then the rotating handle 12 is rotated to drive the movable disc 10 through the telescopic rod 11, so that the movable disc 10 rotates around a threaded pipe through a ball bearing, meanwhile, the telescopic rod 11 is extended or shortened, so that the rotating handle 12 drives the threaded rod to move to adjust the internal compression spring and the valve clack, thereby completing the fixing and adjusting process of the pressure-reducing valve, the valve body 5 is closed to block the medium through the rotating valve body 5, then the plug 17 is rotated to take down the plug 17, the flushing pipeline 15 is fixedly connected with an external water pipe joint through threads, clean water enters from the flushing pipeline 15 and is sprayed out by a plurality of groups of spray nozzles 16, the filter screen 13 is reversely flushed, and impurities accumulated by the filter screen 13 fall off and flow into a sewage collecting groove, the sewage discharge port 14 is opened to make the impurities in the sewage collecting tank flow out, thereby completing the back washing process of the filter screen 13.

The utility model fixes the fixed seat 8 by the connecting disc 7, the fixed seat 8, the hand-screwing screw 9 is matched with the movable disc 10, the telescopic rod 11 and the rotary handle 12, the fixed seat 8 is fixed by the connecting disc 7, the hand-screwing screw 9 stably rotates and moves along the thread groove inside the fixed seat 8 by the thread, thereby pushing the rubber cushion block to enter the peripheral clamping groove inside the movable disc 10, the movable disc 10 is clamped and fixed, the rotary handle 12 is fixed by the connecting action of the telescopic rod 11, thereby the threaded rod at the bottom end of the rotary handle 12 is fixed, otherwise, the rubber cushion block and the clamping groove are loosened by rotating the hand-screwing screw 9, the rotary handle 12 is rotated to drive the movable disc 10 by the telescopic rod 11, the movable disc 10 rotates around the threaded pipe by the ball bearing, simultaneously, the telescopic rod 11 extends or shortens, thereby the rotary handle 12 drives the threaded rod to move to adjust the compression spring and the valve clack inside, the arrangement not only facilitates the pressure adjustment of the pressure reduction valve, but also can effectively lock the adjusting structure 2, and prevent the reverse rotation of the adjusting structure 2 caused by the rebound of overlarge internal pressure of the device; through setting up valve body 5, drain 14, end cap 17 cooperation wash pipe 15, shower nozzle 16 and filter screen 13, rotatory valve body 5 makes valve body 5 be the closure state and blocks the medium, rotatory end cap 17 takes off end cap 17 again, pass through screw thread fixed connection with external water pipe connector wash pipe 15, make clear water get into by a plurality of shower nozzles 16 blowout of organizing from wash pipe 15, carry out the backwash to filter screen 13, make the impurity that filter screen 13 accumulated drop and flow into the dirty groove of collection, open drain 14, make the inside impurity outflow of the dirty inslot of collection, this setting can effectively carry out the backwash to the filtration of steam pressure reduction valve, it is convenient for clean.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steam relief valve that leakproofness is good which characterized in that: the device comprises a main body shell (1), wherein an adjusting structure (2) is arranged at the top of the main body shell (1), a medium outlet (3) is formed in one side of the main body shell (1), a filtering pipeline (4) is arranged on the other side of the main body shell (1), a valve body (5) is arranged at the top of the filtering pipeline (4) close to one end, and a medium inlet (6) is formed in one end of the filtering pipeline (4);

adjust structure (2) including connection pad (7), and the upper portion of connection pad (7) leans on one side to be provided with fixing base (8), the both sides that run through fixing base (8) are provided with hand between two parties and twist screw rod (9), the one end that screw rod (9) were twisted to the hand is provided with expansion disc (10), and the upper portion of expansion disc (10) leans on one side to be provided with telescopic link (11), the top of telescopic link (11) is provided with rotatory handle (12), the inside of filtering duct (4) is provided with filter screen (13) between two parties, and the bottom of filtering duct (4) is leaned on the centre to be provided with drain (14), the top pipe wall that runs through filtering duct (4) leans on one end to be provided with flushing pipe (15), and one side of flushing pipe (15) evenly is provided with a plurality of groups shower nozzle (16), the top of flushing pipe (15) is provided with end cap (17).

2. A steam pressure reducing valve with good sealing performance as claimed in claim 1, wherein: the rotary handle (12) is meshed and connected with a threaded sleeve pipe on the upper part of the main body shell (1) through a threaded rod, and the connecting disc (7) is welded with the threaded sleeve pipe.

3. A steam pressure reducing valve with good sealing performance as claimed in claim 1, wherein: the movable disc (10) is arranged in a circular ring shape, the inner ring is provided with a ball bearing, and the movable disc (10) is movably connected with the threaded sleeve pipe through the ball bearing.

4. A steam pressure reducing valve with good sealing performance as claimed in claim 1, wherein: the hand is twisted screw rod (9) and is connected through thread engagement with fixing base (8), and the end that the hand was twisted screw rod (9) is provided with rubber pad, and the periphery of activity dish (10) has seted up the round draw-in groove, and the internal diameter of this draw-in groove matches with the size that screw rod (9) and rubber pad were twisted to the hand.

5. A steam pressure reducing valve with good sealing performance as claimed in claim 1, wherein: the adjusting structure (2) is connected with the main body shell (1), the valve body (5), the flushing pipeline (15) and the filtering pipeline (4) through sealing rings, and a funnel-shaped sewage collecting groove is formed in the top of the sewage draining outlet (14).

6. A steam pressure reducing valve with good sealing performance as claimed in claim 1, wherein: the flushing pipeline (15) is fixedly connected with the upper pipe wall and the lower pipe wall of the filtering pipeline (4), the plug (17) is connected with the flushing pipeline (15) in a meshed mode through threads, and a sealing ring is arranged at the connecting position.