CN212389806U

CN212389806U - Water conservancy check valve

Info

Publication number: CN212389806U
Application number: CN202020342432.1U
Authority: CN
Inventors: 李凤梅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2021-01-22
Anticipated expiration: 2030-03-18

Abstract

The utility model discloses a water conservancy check valve, including check valve body, water inlet and delivery port, the water inlet is located check valve body below, the delivery port is located check valve body top, check valve body inner wall both sides are rotated through the pivot and are connected with the baffle, baffle top both sides all are provided with controlling means, controlling means is including fixed cover, fly leaf, mounting panel and the chamber that resets, fixed cover is located check valve body inner wall one side, the mounting panel is located check valve body outer wall one side, the fly leaf is located the inside one end of fixed cover, the utility model relates to a check valve technical field. This water conservancy check valve can effectively promote water conservancy check valve's closure for water conservancy check valve closure when closing is stronger, can effectively prevent the inside medium refluence of water conservancy check valve, promotes water conservancy check valve's wholeness ability, can filter the inside quality of water that gets into the check valve simultaneously.

Description

Water conservancy check valve

Technical Field

The utility model relates to a check valve technical field specifically is a water conservancy check valve.

Background

The check valve is a valve with a circular valve clack and acts by self weight and medium pressure to block the medium from flowing backwards. It belongs to the automatic valve category, also called check valve, reflux valve or isolation valve. The medium flows in from the inlet end (lower side) and flows out from the outlet end (upper side). The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance. Otherwise, the valve is closed when the medium flows backwards.

Water conservancy check valve on the current market simple structure, the closure of check valve is poor, and the inside medium of valve body flows backwards easily, influences water conservancy check valve's use, and current water conservancy check valve can't get into quality of water in addition and filter to the filter screen of filtering quality of water is generally inconvenient to be installed and is changed, and the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a water conservancy check valve has solved that current check valve closure is poor, the medium flows backwards easily and can't get into filterable problem to quality of water.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a water conservancy check valve comprises a check valve body, a water inlet and a water outlet, wherein the water inlet is positioned below the check valve body, the water outlet is positioned above the check valve body, two sides of the inner wall of the check valve body are rotatably connected with a partition plate through rotating shafts, two sides above the partition plate are respectively provided with a control device, the control device comprises a fixed sleeve, a movable plate, a mounting plate and a reset cavity, the fixed sleeve is positioned on one side of the inner wall of the check valve body, the mounting plate is positioned on one side of the outer wall of the check valve body, the movable plate is positioned at one end inside the fixed sleeve, one end of the movable plate, which is far away from the fixed sleeve, is connected with the upper part of the outer wall of the partition plate, the surface of the inner wall of the fixed sleeve is fixedly, the other end of the piston push rod is connected with one side of the inner wall of the reset cavity through a reset spring.

Preferably, water inlet inner wall both sides fixedly connected with installation piece, installation piece outer wall can be dismantled and be connected with the filter screen mounting bracket, filter screen mounting bracket one side fixedly connected with fixture block, the inside recess with fixture block looks adaptation of setting up of installation piece, the spacing groove has been seted up to fixture block outer wall one side, spacing groove one side joint has spacing inserted bar, spacing inserted bar outer wall fixedly connected with spring part, the spacing inserted bar other end runs through the installation piece and extends to water inlet outer wall one side, spacing inserted bar other end fixedly connected with arm-tie, and the arm-tie is located water inlet outer wall one side.

Preferably, the mounting panel is internally provided with a through hole matched with the piston push rod, and a second sealing ring is installed at the joint of the mounting panel and the piston push rod.

Preferably, the water inlet and the water outlet are formed by integrating the check valve body.

Advantageous effects

The utility model provides a water conservancy check valve. The method has the following beneficial effects:

(1) this water conservancy check valve is connected with the baffle through rotating in check valve body inner wall both sides through the pivot to cooperation controlling means's fixed cover, the fly leaf, the mounting panel, the chamber that resets, first sealing washer, use between piston push rod and the reset spring can effectively promote water conservancy check valve's closure, make water conservancy check valve closure when closing stronger, can effectively prevent the inside medium refluence of water conservancy check valve, weaken hydraulic shock, promote water conservancy check valve's wholeness ability.

(2) This water conservancy check valve, through at water inlet inner wall both sides fixedly connected with installation piece to the cooperation can be dismantled at installation piece outer wall and be connected with the filter screen mounting bracket and can filter the inside quality of water that gets into the check valve, simultaneously through the fixture block that sets up, recess, spacing groove, spacing inserted bar, spring part and the cooperation between the arm-tie use, can conveniently dismantle and install the inside filter screen of filter screen mounting bracket, make things convenient for the inside filter screen of water conservancy check valve to change at any time, alleviate the change burden.

Drawings

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

fig. 2 is the structure schematic diagram of the water inlet of the utility model.

In the figure: 1. a check valve body; 2. a water inlet; 3. a water outlet; 4. a partition plate; 5. a control device; 6. Fixing a sleeve; 7. a movable plate; 8. mounting a plate; 9. a reset chamber; 10. a return spring; 11. mounting blocks; 12. a filter screen mounting rack; 13. a clamping block; 14. a groove; 15. a limiting groove; 16. a limiting inserted rod; 17. A spring member; 18. pulling a plate; 19. a second seal ring; 20. a first seal ring; 21. and a piston push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a water conservancy check valve comprises a check valve body 1, a water inlet 2 and a water outlet 3, wherein the water inlet 2 is positioned below the check valve body 1, the water outlet 3 is positioned above the check valve body 1, two sides of the inner wall of the check valve body 1 are rotatably connected with a partition plate 4 through a rotating shaft, two sides above the partition plate 4 are respectively provided with a control device 5, the control devices 5 comprise a fixing sleeve 6, a movable plate 7, a mounting plate 8 and a reset cavity 9, the fixing sleeve 6 is positioned at one side of the inner wall of the check valve body 1, the mounting plate 8 is positioned at one side of the outer wall of the check valve body 1, the movable plate 7 is positioned at one end inside the fixing sleeve 6, one end of the movable plate 7 far away from the fixing sleeve 6 is connected with the upper part of the outer wall of the partition plate, the other end of the piston push rod 21 penetrates through the fixing sleeve 6 and extends to the inside of the reset cavity 9, the other end of the piston push rod 21 is connected with one side of the inner wall of the reset cavity 9 through the reset spring 10, so that the sealing performance of the water conservancy check valve can be effectively improved, the sealing performance of the water conservancy check valve is enhanced, the medium in the water conservancy check valve can be effectively prevented from flowing backwards when the water conservancy check valve is closed, the overall performance of the water conservancy check valve is improved, the mounting blocks 11 are fixedly connected to two sides of the inner wall of the water inlet 2, the outer wall of the mounting block 11 is detachably connected with the filter screen mounting frame 12, the clamping block 13 is fixedly connected to one side of the filter screen mounting frame 12, the groove 14 matched with the clamping block 13 is formed in the mounting block 11, the limiting groove 15 is formed in one side of the outer wall of the clamping block 13, the limiting, 16 other end fixedly connected with arm-tie 18 of spacing inserted bar, and arm-tie 18 is located 2 outer wall one sides of water inlet, can filter the inside quality of water that gets into the check valve, and can conveniently dismantle and install the inside filter screen of filter screen mounting bracket 12, make things convenient for the inside filter screen of water conservancy check valve to change at any time, alleviate the change burden, the inside through hole of offering with piston push rod 21 looks adaptation of mounting panel 8, second sealing washer 19 is installed with piston push rod 21 handing-over department to mounting panel 8, water inlet 2 and delivery port 3 all form with check valve body 1 structure as an organic whole.

In operation, the pulling plate 18 is pulled, the pulling plate 18 pulls the limiting insertion rod 16 to move outwards, so that the limiting insertion rod 16 can be temporarily separated from the groove 14, meanwhile, the filter screen mounting frame 12 is mounted on two sides of the inner wall of the water inlet 2 through the mounting block 11, after the clamping block 13 on one side of the filter screen mounting frame 12 is clamped into the groove 14 in the mounting block 11, the pulling plate 18 is loosened, one end of the limiting insertion rod 16 is inserted into the limiting groove 15 on one side of the outer wall of the clamping block 13 again under the reset action of the spring part 17, so that the mounting of the filter screen mounting frame 12 can be completed, after the mounting is completed, water flow enters the check valve body 1 through the water inlet 2, under the impact force of the water flow, the partition plate 4 drives the movable plate 7 to move outwards along the inner wall of the fixed sleeve 6, the movable plate 7 moves to synchronously drive the, and then can make baffle 4 open, during rivers enter into delivery port 3 through the space between the baffle 4, after baffle 4 one side no longer had the rivers to get into, under reset spring 10's reset action, piston push rod 21 drives fly leaf 7 and removes, thereby fly leaf 7 removes and then can make and seal between the baffle 4 and can prevent the inside medium refluence of back 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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a water conservancy check valve, includes check valve body (1), water inlet (2) and delivery port (3), water inlet (2) are located check valve body (1) below, delivery port (3) are located check valve body (1) top, its characterized in that: the check valve body (1) inner wall both sides are connected with baffle (4) through the pivot rotation, baffle (4) top both sides all are provided with controlling means (5), controlling means (5) are including fixed cover (6), fly leaf (7), mounting panel (8) and chamber (9) that resets, fixed cover (6) are located check valve body (1) inner wall one side, mounting panel (8) are located check valve body (1) outer wall one side, fly leaf (7) are located the inside one end of fixed cover (6), the one end that fixed cover (6) were kept away from to fly leaf (7) links to each other with baffle (4) outer wall top, fixed cover (6) inner wall fixed surface is connected with first sealing washer (20), and fly leaf (7) are through first sealing washer (20) and fixed cover (6) sliding connection, fly leaf (7) other end fixed connection has piston push rod (21), and the other end of the piston push rod (21) penetrates through the fixed sleeve (6) and extends to the interior of the reset cavity (9), and the other end of the piston push rod (21) is connected with one side of the inner wall of the reset cavity (9) through a reset spring (10).

2. The water conservancy check valve of claim 1, characterized in that: water inlet (2) inner wall both sides fixedly connected with installation piece (11), installation piece (11) outer wall can be dismantled and be connected with filter screen mounting bracket (12), filter screen mounting bracket (12) one side fixedly connected with fixture block (13), installation piece (11) inside offer with recess (14) of fixture block (13) looks adaptation, spacing groove (15) have been seted up to fixture block (13) outer wall one side, spacing groove (15) one side joint has spacing inserted bar (16), spacing inserted bar (16) outer wall fixedly connected with spring part (17), spacing inserted bar (16) other end runs through installation piece (11) and extends to water inlet (2) outer wall one side, spacing inserted bar (16) other end fixedly connected with arm-tie (18), and arm-tie (18) are located water inlet (2) outer wall one side.

3. The water conservancy check valve of claim 1, characterized in that: the mounting panel (8) inside offer with piston push rod (21) looks adaptation through hole, second sealing washer (19) are installed to mounting panel (8) and piston push rod (21) handing-over department.

4. The water conservancy check valve of claim 1, characterized in that: the water inlet (2) and the water outlet (3) are both formed with the check valve body (1) in an integral structure.