Control valve for water supply and drainage of waterworks

Abstract

The utility model discloses a control valve for water supply and drainage of a waterworks, which comprises a control valve main body, a water inlet of the control valve main body is connected with a filter shell, a filter screen is arranged in the filter shell, and the filter shell is provided with a first interface connected with the water inlet of the control valve main body. The water inlet end of the control valve body is in butt joint with the filter shell, the filter screen is arranged in the filter shell, the cleaning opening is formed in the bottom of the filter shell, the cleaning opening is formed in the first connector, and after the second connector is plugged through a plugging plate, the filter screen can be cleaned, and the filter screen can be cleaned. Water is injected into the filter shell through the cleaning opening, and particle impurities are discharged through the cleaning opening, so that the filter screen and the inner cavity of the filter shell can be washed, the filter screen is cleaned under the condition that the filter screen is not disassembled, meanwhile, the filter shell is cleaned, and cleaning is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to control valve technical field, concretely is a control valve for water supply and drainage of waterworks. BACKGROUND

[0002] The utility model discloses a control valve for water supply and drainage of waterworks discloses a control valve main part, the control valve main part left side fixed mounting has the water inlet nozzle, the control valve main part right side fixed mounting has the water outlet nozzle, the water inlet nozzle left side fixed mounting has the filter assembly. The filter assembly includes filter shell, the filter shell left side fixedly connected with extension pipe, the extension pipe with filter shell inside access, the filter shell right side fixedly connected with the connecting pipe, the connecting pipe with filter shell inside access, the filter shell inside installation has the fixed frame, the fixed frame sets up two, one the fixed frame inboard installation has PP cotton, another the fixed frame inboard installation has activated carbon filter screen. The filter shell top penetrates and set up and set up to pass through the mouth, the mouth is equipped with two to pass through the fixed frame, the mouth inner wall sets up and sets up the positioning slot of ring structure, the fixed frame outside sets up and sets up the limit slot of ring structure, the limit slot is equipped with the rubber ring and is nested, the rubber ring and positioning slot are matched, the filter shell inner wall sets up and sets up the sliding slot, the fixed frame outside and sliding slot groove wall sliding connection. The fixed frame top fixedly connected with handle, the fixed frame top still fixedly connected with the butt joint block, the butt joint block on the penetration set up and set up the through -hole, the filter shell top fixedly connected with butt joint strip, butt joint strip is located between two butt joint blocks, the butt joint strip left and right two ends all set up and set up the thread groove, the through -hole and thread groove between setting up and setting up the bolt, the bolt one end setting up and setting up the outer thread, the thread groove in setting up and setting up the inner thread, the outer thread and inner thread are matched. The water inlet nozzle left side fixedly connected with first flange, the connecting pipe right side fixedly connected with fourth flange, first flange and fourth flange between through screw fixed connection, the water outlet nozzle right side fixedly connected with second flange, the extension pipe left side fixedly connected with third flange.

[0003] The above patent has the following deficiencies:

[0004] 1) The filter assembly needs to be detached from the filter shell to clean the activated carbon filter screen and PP cotton in the filter assembly, so the activated carbon filter screen and PP cotton are inconvenient to clean.

[0005] 2) When the filter assembly is detached from the filter shell, the impurities remaining in the filter shell are difficult to clean. UTILITY MODEL CONTENTS

[0006] In view of the problems existing in the prior art, the utility model is proposed.

[0007] The utility model discloses a control valve for water supply and drainage of waterworks, and solves the problem that the filter assembly needs to be detached from the filter shell to clean the activated carbon filter screen and the PP cotton in the filter assembly, so that the activated carbon filter screen and the PP cotton are inconvenient to clean.

[0008] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0009] A control valve for water supply and drainage of waterworks, including control valve main part, the water inlet of control valve main part is connected with filter shell body, installs the filter screen in filter shell body, the first interface that has with the water inlet of control valve main part is connected on filter shell body, the other end of filter shell body has second interface;

[0010] The bottom of filter shell body is equipped with cleaning port, and the first cover is screwed at the end of cleaning port, the first interface is equipped with the cleaning port, and the second cover is screwed at the top end of cleaning port, the through -hole is equipped on the second interface, and the first plugging plate is connected through bolt at the through -hole.

[0011] As a preferred scheme of the control valve for water supply and drainage of waterworks, the filter screen is located between the cleaning port and the cleaning port.

[0012] As a preferred scheme of the control valve for water supply and drainage of waterworks, the filter shell body is spliced by the first shell body and the second shell body, the sealing ring is arranged between the first shell body and the second shell body, and the annular groove is arranged on the first shell body and the second shell body, and the filter screen is located in the annular groove on the first shell body and the second shell body.

[0013] As a preferred scheme of the control valve for water supply and drainage of waterworks, the first fixed block is welded at the end of the first shell body, the second fixed block is welded at the end of the second shell body, and the second fixed block and the first fixed block are fixed through the bolt.

[0014] As a preferred scheme of the control valve for water supply and drainage of waterworks, the rubber pad is bonded at the bottom of the first plugging plate.

[0015] As a preferred scheme of the control valve for water supply and drainage of waterworks, the second plugging plate is further included, and when the second plugging plate is inserted into the inner cavity of the second interface through the through -hole, the inner cavity of the second interface can be plugged.

[0016] As a preferred scheme of the control valve for water supply and drainage of a waterworks, the second plugging plate comprises a plate body, a rubber frame is sleeved on the outer side of the plate body, and the rubber frame and the plate body are bonded by glue.

[0017] Compared with the prior art,

[0018] By abutting the filter shell to the water inlet end of the control valve body, setting the filter screen in the filter shell, setting the cleaning port at the bottom of the filter shell, and setting the cleaning port on the first interface, when the second interface is plugged by the plugging plate, water is injected into the filter shell through the cleaning port, and particulate impurities are discharged through the cleaning port, so that the filter screen and the inner cavity of the filter shell can be flushed, thereby realizing cleaning of the filter screen without disassembling the filter screen, and simultaneously realizing cleaning of the filter shell, so that cleaning is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 The utility model provides a structure schematic view;

[0020] Figure 2 The utility model provides a first casing's plan view;

[0021] Figure 3 The utility model provides Figure 1 Sectional view of the utility model provides;

[0022] Figure 4 The utility model provides Figure 3 Local enlarged view of the utility model provides;

[0023] Figure 5 The utility model provides Figure 1 The schematic drawing of the utility model provides after removing the plugging plate and inserting the plugging plate;

[0024] Figure 6 The utility model provides the side view of plugging plate.

[0025] In the drawing: control valve body 1, first casing 2, second interface 21, through -hole 211, second casing 3, first interface 31, sealing ring 4, cleaning port 5, second cover 6, cleaning port 7, first cover 8, first plugging plate 9, filter screen 10, second plugging plate 11, rubber frame 111, plate body 112. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantage of the utility model more clear, the following will combine the embodiment of the utility model with the drawings and make further detailed description.

[0027] The utility model provides a control valve for water supply and drainage of a waterworks, please refer to Figures 1-6, including a control valve body 1, a filter shell is connected to the water inlet of the control valve body 1, a filter screen 10 is installed in the filter shell, the filter shell has a first interface 31 connected to the water inlet of the control valve body 1, and the other end of the filter shell has a second interface 21;

[0028] A cleaning port 7 is formed in the bottom of the filter shell, a first cover 8 is threadedly connected to the end of the cleaning port 7, a cleaning port 5 is formed in the first interface 31, a second cover 6 is threadedly connected to the top end of the cleaning port 5, a through hole 211 is formed in the second interface 21, a first blocking plate 9 is connected by bolts at the through hole 211, a rubber pad is bonded to the bottom of the first blocking plate 9, the rubber pad realizes sealing at the through hole 211, and the filter screen 10 is located between the cleaning port 7 and the cleaning port 5.

[0029] The filter shell is spliced by a first shell 2 and a second shell 3, specifically, a first fixed block is welded to the end of the first shell 2, a second fixed block is welded to the end of the second shell 3, the second fixed block and the first fixed block are fixed by bolts, a sealing ring 4 is arranged between the first shell 2 and the second shell 3, and annular grooves are arranged on the first shell 2 and the second shell 3, and the filter screen 10 is located in the annular grooves on the first shell 2 and the second shell 3.

[0030] It also includes a second blocking plate 11, when the second blocking plate 11 is inserted into the inner cavity of the second interface 21 through the through hole 211, the inner cavity of the second interface 21 can be blocked, the second blocking plate 11 includes a plate body 112, a rubber frame 111 is sleeved on the outer side of the plate body 112, and the rubber frame 111 and the plate body 112 are bonded by glue, so that when the second blocking plate 11 is blocked, the water flowing into the filter shell through the first interface 31 cannot flow out through the second interface 21, and at this time, the first cover 8 is opened, and the water can flow out through the cleaning port 7.

[0031] In specific use, the water flowing from the second interface 21 passes through the filter screen 10, so that the filter screen 10 filters the water, avoiding that particulate impurities enter the control valve body 1;

[0032] The inner cavity of the filter shell and the filter screen are cleaned regularly. The cleaning method is as follows: the first blocking plate 9 is disassembled, the second blocking plate 11 is inserted into the inner cavity of the second interface 21 through the through hole 211, the second cover 6 and the first cover 8 are removed, the control valve body 1 is closed, the cleaning port 5 is connected to a water faucet through a conduit (of course, the output end of a water pump can be used to connect to the cleaning port 5), so that the water enters the second shell 3 through the first interface 31, and the inner cavity of the filter screen 10 and the first shell 2 are washed, so that the impurities are discharged through the cleaning port 7.

[0033] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A control valve for water supply and drainage in a waterworks, comprising a control valve main body (1), a filter housing is connected to a water inlet of the control valve main body (1), and a filter screen (10) is installed in the filter housing, characterized in that: The filter housing has a first interface (31) connected with the water inlet of the control valve body (1), and the other end of the filter housing has a second interface (21); A cleaning port (7) is formed in the bottom of the filter housing, and a first cover (8) is threadedly connected to the end of the cleaning port (7); the first interface (31) has a cleaning port (5) at the top end, and a second cover (6) is threadedly connected to the top end of the cleaning port (5); a through hole (211) is formed in the second interface (21), and a first blocking plate (9) is connected to the through hole (211) by a bolt.

2. The control valve for water supply and drainage of a waterworks according to claim 1, characterized by The filter screen (10) is located between the cleaning port (7) and the cleaning port (5).

3. The control valve for water supply and drainage of a waterworks according to claim 1 or 2, characterized in that The filter housing is composed of a first housing (2) and a second housing (3), a sealing ring (4) is arranged between the first housing (2) and the second housing (3), and annular grooves are formed in the first housing (2) and the second housing (3), and the filter screen (10) is located in the annular grooves of the first housing (2) and the second housing (3).

4. The control valve for water supply and drainage of a waterworks according to claim 3, characterized in that, A first fixing block is welded to the end of the first housing (2), a second fixing block is welded to the end of the second housing (3), and the second fixing block and the first fixing block are fixed by a bolt.

5. The control valve for water supply and drainage of a waterworks according to claim 1, characterized in that, A rubber pad is bonded to the bottom of the first blocking plate (9).

6. The control valve for water supply and drainage of a waterworks according to claim 1, wherein A second blocking plate (11) is further included, and when the second blocking plate (11) is inserted into the inner cavity of the second interface (21) through the through hole (211), the inner cavity of the second interface (21) can be blocked.

7. The control valve for water supply and drainage of a waterworks according to claim 6, characterized in that, The second blocking plate (11) includes a plate body (112), a rubber frame (111) is sleeved on the outer side of the plate body (112), and the rubber frame (111) and the plate body (112) are bonded by glue.

Images