CN212839716U

CN212839716U - Self-control check valve

Info

Publication number: CN212839716U
Application number: CN202021909591.1U
Authority: CN
Inventors: 黄振宗; 黄宇航; 蔡振国; 黄明红; 陈声垣; 陈信阳; 黄金标; 黄文意
Original assignee: Shuangheng Valve Group Co ltd
Current assignee: Shuangheng Valve Group Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-03-30
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses an automatic control check valve, which comprises a check valve body, a sealing block is fixedly connected inside the check valve body, a chute long block is fixedly connected on the left side of the top of the sealing block, a slide block is connected on the right side of the chute long block through a chute in a sliding way, a movable rod is rotatably connected on the top of the slide block through a hinge ring A, a fixed block is rotatably connected on the top of the movable rod through a hinge ring B, a connecting column is communicated with the top of the check valve body, a sliding rod is slidably connected on the bottom of the connecting column through a sliding rod groove, the top of the sliding rod is connected with the top inside of the connecting column through a return spring C, a valve clack is fixedly connected on the bottom of the sliding rod, the automatic control check valve prevents sundries in the water flow from depositing on the top of the sealing block, and the sealing, preventing the valve from closing causes a sudden change in the flow rate of the water, causing a water hammer to hit the valve flap and damage the check valve.

Description

Self-control check valve

Technical Field

The utility model relates to a check valve technical field specifically is an automatic control check valve.

Background

The check valve is the indispensable valve gear among a water conservancy trade, the check valve can utilize self strength to close or open the gate is a very convenient device, wherein over-and-under type check valve is with the valve clack along the closing and opening of valve body vertical center motion control valve, there is not cleaning device in traditional check valve inside, lead to can lead to valve clack and sealed the pad cooperation failure because of the inside debris pollution sealing gasket of rivers at the in-process of use, make the check valve inefficacy, so need an automatic control check valve with clean function now urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic control check valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic control check valve comprises a check valve body, wherein a sealing block is fixedly connected inside the check valve body, a sliding groove long block is fixedly connected on the left side of the top of the sealing block, a sliding block is connected on the right side of the sliding groove long block through a sliding groove in a sliding manner, the sliding block is connected with the front side of the right side of a sliding groove, a cleaning plate is fixedly connected on the right side of the sliding block, a movable rod is rotatably connected on the top of the sliding block through a hinge ring A, a fixed block is rotatably connected on the top of the movable rod through a hinge ring B, a connecting column is communicated with the top of the check valve body, a sliding rod is slidably connected on the bottom of the connecting column through a sliding rod groove, a valve clack is fixedly connected on the bottom of the sliding rod, the right side of the fixed block is fixedly connected with the back side of the valve clack, a, the bottom of sliding block rotates through articulated ring C and is connected with the guide way rectangular piece, there is the guide block at the top of guide way rectangular piece through guide way sliding connection, the top of guide block rotates through articulated ring D and is connected with the horizontal pole, the left side of horizontal pole and the right side fixed connection of valve clack.

Preferably, the front of the cleaning plate is provided with a sundries collecting tank, the front inside the sundries collecting tank is fixedly connected with a return plate, the top of the front inside the sundries collecting tank is rotatably connected with a sealing plate through a hinge ring E, and the front of the sealing plate is connected with the back of the return plate through a return spring A.

Preferably, the left side of sliding block is connected with the inside left side of sliding tray through return spring B, the bottom fixedly connected with gag lever post A of sliding block.

Preferably, the left side of the guide block is connected with the left side inside the guide groove through a return spring B, and the right side of the guide block is fixedly connected with an L-shaped limiting rod.

Preferably, the top of the sliding rod is connected with the top of the inside of the connecting column through a return spring C.

Preferably, the import has been seted up in the left side of check valve body, and the fixed frame A of import top and bottom fixedly connected with, the export has been seted up on the right side of check valve body, and the top of export and the fixed frame B of the equal fixedly connected with in bottom, the fixed frame C of the equal fixedly connected with in both sides of spliced pole.

Compared with the prior art, the beneficial effects of the utility model are that:

1. this automatic control check valve prevents that the inside debris of rivers from deposiing at the top of sealed piece, makes sealed piece and valve clack cooperation inefficacy can't seal, makes the check valve damage.

2. The self-control check valve prevents the flow rate of water from suddenly changing when the valve is closed, so that the water hammer is caused to hit the valve clack to damage the check valve.

Drawings

FIG. 1 is a front anatomical diagram of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure A of the present invention;

FIG. 3 is a front view of the long block of the guiding groove of the present invention;

fig. 4 is the right side schematic view of the structure cleaning plate of the present invention.

In the figure: 1 check valve body, 2 sealing blocks, 3 sliding groove long blocks, 4 sliding blocks, 5 cleaning plates, 6 movable rods, 7 connecting columns, 8 sliding rods, 9 valve clacks, 10 sliding groove long blocks, 11 sliding blocks, 12 guide groove long blocks, 13 transverse connecting rods and 14 guide blocks.

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. 1-3, the present invention provides a technical solution: an automatic control check valve comprises a check valve body 1, a sealing block 2 is fixedly connected inside the check valve body 1, a chute long block 3 is fixedly connected on the left side of the top of the sealing block 2, a sliding block 4 is slidably connected on the right side of the chute long block 3 through a chute, the sliding block 4 is connected with the front side of the right side of the sliding groove, a cleaning plate 5 is fixedly connected on the right side of the sliding block 4, a sundry collecting tank is arranged on the front side of the cleaning plate 5, a return plate is fixedly connected on the front side of the inside of the sundry collecting tank, the front side of the inside of the sundry collecting tank is rotatably connected with a sealing plate through a hinge ring E, the front side of the sealing plate is connected with the back side of the return plate through a return spring A, sundry can be conveniently collected by the sundry collecting tank, a movable rod 6 is rotatably connected on the top of the, the bottom of the connecting column 7 is connected with a sliding rod 8 through a sliding rod groove in a sliding way, the top of the sliding rod 8 is connected with the top inside the connecting column 7 through a return spring C to enable the connecting column 7 to return, the bottom of the sliding rod 8 is fixedly connected with a valve clack 9, the right side of a fixed block is fixedly connected with the back of the left side of the valve clack 9, the top inside the check valve body 1 is fixedly connected with a sliding groove long block 10, the bottom of the sliding groove long block 10 is connected with a sliding block 11 through a sliding groove in a sliding way, the left side of the sliding block 11 is connected with the left side inside the sliding groove through a return spring B, the bottom of the sliding block 11 is fixedly connected with a limiting rod A, the return spring B enables the sliding block 11 to return, the limiting rod A limits the rotation of the guide groove long block 12, the bottom of the sliding block 11 is rotationally connected with, the left side of the guide block 14 is connected with the left side inside the guide groove through a return spring B, the right side of the guide block 14 is fixedly connected with an L-shaped limiting rod, the L-shaped limiting rod can prevent a transverse connecting rod 13 from rotating, the top of the guide block 14 is rotatably connected with a transverse connecting rod 13 through a hinge ring D, the left side of the transverse connecting rod 13 is fixedly connected with the right side of a valve clack 9, the left side of a check valve body 1 is provided with an inlet, the top and the bottom of the inlet are fixedly connected with a fixing frame A, the right side of the check valve body 1 is provided with an outlet, the top and the bottom of the outlet are both fixedly connected with a fixing frame B, two sides of a connecting column 7 are both fixedly connected with a fixing frame C, the automatic control check valve can prevent sundries inside water flow from depositing on the top of a sealing block 2, the sealing block 2 is matched with the, causing a water hammer to hit the valve flap 9 and damage the check valve.

The working principle is as follows: the check valve body 1 is well installed, water flow drives the sliding rod 8 to ascend to enable water to flow, the flow velocity of the water flow is too low, the connecting column 7 automatically descends to close the valve, meanwhile, the movable rod 6 drives the sliding block 4 to move in the descending process of the connecting column 7, the cleaning plate 5 is driven to clean the top of the sealing block 2 in the moving process of the sliding block 4, sundries in the water flow are prevented from being deposited on the top of the sealing block 2, the sealing block 2 and the valve clack 9 are matched to fail to seal, the check valve is damaged, meanwhile, the transverse connecting rod 13 is matched with the L-shaped limiting rod to drive the guide groove long block 12 to move in the descending process of the check valve, the guide groove long block 12 is matched with the limiting rod to rotate for 90 degrees in the moving process, the right side inside of the check valve body 1 is sealed in the rotating process of the guide groove long block 12, the valve closing can be effectively prevented from suddenly changing in the process of rotating, causing a water hammer to hit the valve flap 9 and damage the check valve.

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. A self-control check valve, comprising a check valve body (1), characterized in that: the check valve comprises a check valve body (1), a sealing block (2) is fixedly connected inside the check valve body (1), a sliding groove long block (3) is fixedly connected to the left side of the top of the sealing block (2), a sliding block (4) is connected to the right side of the sliding groove long block (3) through a sliding groove in a sliding manner, the sliding block (4) is connected with the front side of the right side of the sliding groove, a cleaning plate (5) is fixedly connected to the right side of the sliding block (4), a movable rod (6) is rotatably connected to the top of the sliding block (4) through a hinge ring A, a fixed block is rotatably connected to the top of the movable rod (6) through a hinge ring B, a connecting column (7) is communicated with the top of the check valve body (1), a sliding rod (8) is slidably connected to the bottom of the connecting column (7) through a sliding rod groove, a valve clack (9), inside top fixedly connected with sliding tray long block (10) of check valve body (1), sliding tray sliding connection has sliding block (11) through sliding tray sliding connection in the bottom of sliding tray long block (10), the bottom of sliding block (11) is rotated through hinge ring C and is connected with guide way long block (12), there are guide block (14) at the top of guide way long block (12) through guide way sliding connection, the top of guide block (14) is rotated through hinge ring D and is connected with crosspiece (13), the left side of crosspiece (13) and the right side fixed connection of valve clack (9).

2. The self-controlling check valve of claim 1, wherein: the front of cleaning plate (5) has been seted up the debris collecting vat, the inside front fixedly connected with return plate of debris collecting vat, and the inside positive top of debris collecting vat is rotated through articulated ring E and is connected with the closing plate, and the front of closing plate is connected with the back of return plate through return spring A.

3. The self-controlling check valve of claim 1, wherein: the left side of sliding block (11) is connected with the left side of sliding tray inside through return spring B, the bottom fixedly connected with gag lever post A of sliding block (11).

4. The self-controlling check valve of claim 1, wherein: the left side of guide block (14) is connected with the left side of guide way inside through return spring B, the right side fixedly connected with L type gag lever post of guide block (14).

5. The self-controlling check valve of claim 1, wherein: the top of the sliding rod (8) is connected with the top inside the connecting column (7) through a return spring C.

6. The self-controlling check valve of claim 1, wherein: the import has been seted up in the left side of check valve body (1), and the fixed frame A of import top and bottom fixedly connected with, the export has been seted up on the right side of check valve body (1), and the top of export and the fixed frame B of the equal fixedly connected with in bottom, the fixed frame C of the equal fixedly connected with in both sides of spliced pole (7).