CN210645436U

CN210645436U - Filtering type hydraulic control valve

Info

Publication number: CN210645436U
Application number: CN202020660223.1U
Authority: CN
Inventors: 陈景华
Original assignee: Tianjin Binhai New Area Tanggu Chengfan Valve Co Ltd
Current assignee: Tianjin Binhai New Area Tanggu Chengfan Valve Co Ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2020-06-02
Anticipated expiration: 2030-04-27

Abstract

The utility model discloses a filtration formula hydraulic control valve, which comprises a valve body, the top fixed mounting of valve body has the valve gap, the inside of valve gap is equipped with the valve rod, the equal fixedly connected with flange in both ends of valve body, upper portion one side position of valve body is equipped with filtering mechanism, the bottom of valve body is equipped with back flush mechanism, the top fixedly connected with of valve rod changes the handle, the outside of valve rod is close to the intermediate position and is equipped with screw thread portion, the bottom fixed connection of valve rod has the valve clack, the inside one end of valve body is equipped with the medium import, the inside other end of valve body is equipped with the medium export, filtering mechanism is including disk seat, bull stick, handle, seal block, valve ball and filter screen. Filtration formula hydraulic control valve, can play the efficiency of filtering the aquatic grit, can also play the efficiency of back flush simultaneously, can clean for the filter screen, the result of use is better.

Description

Filtering type hydraulic control valve

Technical Field

The utility model relates to a hydraulic control valve field, in particular to filtration formula hydraulic control valve.

Background

The hydraulic control valve is a valve used for controlling water flow, is usually used for controlling three modes of water flow, such as circulation, closing and direction, commonly used are various valves, such as a stop valve, a butterfly valve, a ball valve and the like, wherein the stop valve is also called a gate valve, belongs to the most commonly used valve in hydraulic control, and has the effect of controlling water flow mainly through the closing between a valve clack and a valve body; but current water conservancy control stop valve does not possess filtering capability, and the grit of aquatic enters into inside the valve body easily for the grit of aquatic passes through the control valve and flows, and the result of use is poor, does not possess the back flush efficiency secondly yet.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides filtration formula hydraulic control valve, can effectively solve the problem in the background art.

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

the filtering type hydraulic control valve comprises a valve body, a valve cover is fixedly installed at the top of the valve body, a valve rod is arranged inside the valve cover, connecting flanges are fixedly connected to two ends of the valve body, a filtering mechanism is arranged at one side of the upper portion of the valve body, a back washing mechanism is arranged at the bottom of the valve body, a rotating handle is fixedly connected to the top end of the valve rod, a threaded portion is arranged at the position, close to the middle, of the outer portion of the valve rod, a valve clack is fixedly connected to the bottom end of the valve rod, a medium inlet is formed in one end of the inner portion of the valve body, a medium outlet is formed in the other end of the inner portion of the valve body, the filtering mechanism comprises a valve seat, a rotating rod, a handle, a sealing block, a valve ball and a filtering net, the back washing mechanism comprises a drain pipe, a first sealing flange, a back washing, the other end of the back flushing pipe is inclined at forty-five degrees and corresponds to the filter screen.

Preferably, disk seat fixed mounting is in the upper portion one end position of valve body, bull stick swing joint is in the inside of disk seat, handle fixed connection is on the top of bull stick, sealing block fixed connection is in the inside of medium import, valve ball fixed connection is located the inboard of sealing block in the bottom of bull stick, filter screen fixed connection is located one side position of valve ball in the inside of medium import.

Preferably, the filter screen consists of a coarse filter screen and a fine filter screen, and a filter filler is arranged between the coarse filter screen and the fine filter screen. Preferably, the blow-off pipe is fixedly arranged at one side of the bottom of the valve body, the first sealing flange is connected to one end of the blow-off pipe through a bolt, the backwashing pipe is fixedly connected to the other side of the bottom of the valve body, and the second sealing flange is connected to one end of the backwashing pipe through a bolt.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses in, through the filtering mechanism who sets up, can follow the inside gravel filtering of aquatic of medium import and cross the filtration, avoid the direct quality that receives rivers by the influence of discharging of grit, the result of use is better, through the back flush mechanism who sets up, can carry out the back flush to the filter screen that filters the grit, need not to demolish the washing, great improvement the convenience of using, the practicality is higher.

Drawings

Fig. 1 is a schematic view of the overall structure of the filtering type hydraulic control valve of the present invention;

FIG. 2 is a schematic view of the internal structure of the filtering hydraulic control valve of the present invention;

fig. 3 is a valve ball opening diagram of the filtering type hydraulic control valve of the present invention.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a connecting flange; 5. a filtering mechanism; 6. a backwashing mechanism; 7. turning a handle; 8. a threaded portion; 9. a valve flap; 10. a media inlet; 11. a media outlet; 12. a valve seat; 13. a rotating rod; 14. a handle; 15. a sealing block; 16. a valve ball; 17. a filter screen; 18. a blow-off pipe; 19. a first sealing flange; 20. a backwash pipe; 21. a second sealing flange.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, the filtering type hydraulic control valve comprises a valve body 1, a valve cover 2 is fixedly installed on the top of the valve body 1, a valve rod 3 is arranged inside the valve cover 2, both ends of the valve body 1 are fixedly connected with connecting flanges 4, a filtering mechanism 5 is arranged on one side of the upper portion of the valve body 1, a back washing mechanism 6 is arranged at the bottom of the valve body 1, a rotating handle 7 is fixedly connected to the top end of the valve rod 3, a threaded portion 8 is arranged at the outer portion of the valve rod 3 close to the middle position, a valve clack 9 is fixedly connected to the bottom end of the valve rod 3, a medium inlet 10 is arranged at one end inside the valve body 1, a medium outlet 11 is arranged at the other end inside the valve body 1, the filtering mechanism 5 comprises a valve seat 12, a rotating rod 13, a handle 14, a sealing block 15, a valve ball 16 and a filtering, the sewage discharge pipe 18 is positioned between the valve ball 16 and the filter screen 17, the back washing pipe 20 is positioned between the filter screen 17 and the valve clack 9, and the other end of the back washing pipe 20 is inclined at forty-five degrees and corresponds to the filter screen 17;

the valve seat 12 is fixedly arranged at one end of the upper part of the valve body 1, the rotating rod 13 is movably connected inside the valve seat 12, the handle 14 is fixedly connected at the top end of the rotating rod 13, the sealing block 15 is fixedly connected inside the medium inlet 10, the valve ball 16 is fixedly connected at the bottom end of the rotating rod 13 and is positioned on the inner side of the sealing block 15, the filter screen 17 is fixedly connected inside the medium inlet 10 and is positioned on one side of the valve ball 16, and the filter mechanism 5 can well filter sand and stones in water, so that the discharged water is cleaner and the using effect is better; the filter screen 17 is composed of a coarse filter screen and a fine filter screen, and filter filler is arranged between the coarse filter screen and the fine filter screen; the blow off pipe 18 fixed mounting is in bottom one side position of valve body 1, and 19 bolted connections of first sealing flange are in the one end of blow off

pipe

18, and 20 fixed connection of back flush pipe are in the bottom opposite side position of valve body 1, and 21 bolted connections of second sealing flange are in the one end of back flush pipe 20, and back flush mechanism 6 can conveniently carry out the back flush cleanness to the filter screen 17 of filtering the grit for filter screen 17 is cleaner, improves filter effect of filter screen 17, and the practicality is higher.

It should be noted that, the utility model relates to a filtration formula hydraulic control valve, when using, at first, the medium import 10 and the medium export 11 of valve body 1 are connected with the external pipeline through flange 4 respectively, after connecting, rivers discharge from medium export 11 through the valve body 1 behind medium import 10, when needing to close rivers, handheld handle 7 rotates valve rod 3, valve rod 3 moves downwards through the screw thread effect between screw thread portion 8 and valve gap 2, drive valve clack 9 simultaneously and remove, valve clack 9 produces the closure phenomenon with valve body 1, thereby block rivers, when needing to open in the time of the contrarotation handle 7 can, after external water source enters into valve body 1 inside, at first can pass through valve ball 16, then pass through filter screen 17, through the coarse material net of filter screen 17, discharge behind filter filler and the fine filter screen through valve body 1, can better filter the grit in the aquatic, avoid the grit by direct discharge, the practicality is higher, after using a period, can carry out the back flush to filter screen 17, in operation, handheld handle 14 rotates bull stick 13, bull stick 13 drives valve ball 16 and rotates, thereby close medium import 10 passageway, also rotate valve rod 3 closed valve clack 9 simultaneously, open first sealing flange 19 and second sealing flange 21 this moment, then insert the one end of backwash pipe 20 with outside water pipe, after the switch-on, backwash pipe 20 gets into rivers and directly washes the upper portion at filter screen 17, the grit that washes down is then discharged through blow off pipe 18, great increase the convenience of washing filter screen 17, after the operation is accomplished, it is closed with first sealing flange 19 and second sealing flange 21 again, it can continue work to rotate bull stick 13 and open valve ball 16.

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. Filtration formula water conservancy control valve, its characterized in that: including valve body (1), the top fixed mounting of valve body (1) has valve gap (2), the inside of valve gap (2) is equipped with valve rod (3), the equal fixedly connected with flange (4) in both ends of valve body (1), upper portion one side position of valve body (1) is equipped with filtering mechanism (5), the bottom of valve body (1) is equipped with back flush mechanism (6), the top fixedly connected with of valve rod (3) changes handle (7), the outside of valve rod (3) is close to the intermediate position and is equipped with screw thread portion (8), the bottom fixed connection of valve rod (3) has valve clack (9), the inside one end of valve body (1) is equipped with medium import (10), the inside other end of valve body (1) is equipped with medium export (11), filtering mechanism (5) including disk seat (12), bull stick (13), handle (14), Seal block (15), valve ball (16) and filter screen (17), back flush mechanism (6) are including blow off pipe (18), first sealing flange (19), backwash pipe (20) and second sealing flange (21), blow off pipe (18) are located position between valve ball (16) and filter screen (17), backwash pipe (20) are located position between filter screen (17) and valve clack (9), the other end of backwash pipe (20) is corresponding filter screen (17) with the forty-five degree slope.

2. The filtered hydraulic control valve of claim 1, wherein: disk seat (12) fixed mounting is in the upper portion one end position of valve body (1), bull stick (13) swing joint is in the inside of disk seat (12), handle (14) fixed connection is on the top of bull stick (13), sealing block (15) fixed connection is in the inside of medium import (10), valve ball (16) fixed connection is located the inboard of sealing block (15) in the bottom of bull stick (13), filter screen (17) fixed connection is located one side position of valve ball (16) in the inside of medium import (10).

3. The filtered hydraulic control valve of claim 1, wherein: the filter screen (17) is composed of a coarse filter screen and a fine filter screen, and a filter filler is arranged between the coarse filter screen and the fine filter screen.

4. The filtered hydraulic control valve of claim 1, wherein: blow off pipe (18) fixed mounting is in bottom one side position of valve body (1), first sealing flange (19) bolted connection is in the one end of blow off pipe (18), backwash pipe (20) fixed connection is in the bottom opposite side position of valve body (1), second sealing flange (21) bolted connection is in the one end of backwash pipe (20).