CN208011016U - A kind of membrane separation plant check-valves - Google Patents

A kind of membrane separation plant check-valves Download PDF

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Publication number
CN208011016U
CN208011016U CN201721876129.4U CN201721876129U CN208011016U CN 208011016 U CN208011016 U CN 208011016U CN 201721876129 U CN201721876129 U CN 201721876129U CN 208011016 U CN208011016 U CN 208011016U
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CN
China
Prior art keywords
firm banking
check
screw hole
head cover
valves
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CN201721876129.4U
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Chinese (zh)
Inventor
黄桂辉
郑昌辉
黄宜卷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
QINHAO MEMBRANE TECHNOLOGY (XIAMEN) Co Ltd
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QINHAO MEMBRANE TECHNOLOGY (XIAMEN) Co Ltd
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Priority to CN201721876129.4U priority Critical patent/CN208011016U/en
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Abstract

The utility model discloses a kind of membrane separation plant check-valves,Including check-valves,Fixed head cover is provided at the top of the check-valves,The bottom of the check-valves is provided with check valve body shell,It is provided with firm banking at the top of the check valve body shell,The side of the check valve body shell is provided with water inlet conduit,And the other side of check valve body shell is provided with water outlet pipeline,The check valve body shell is integral structure with water inlet conduit and check valve body shell and water outlet pipeline,It is provided with sliding recess on the inside of the water inlet conduit,The outer surface of the interior card pipeline is provided with interior card pipe protrusion,The water inlet conduit is slidably fastened with interior card pipe protrusion by sliding recess with interior card pipeline and is fixed,Firm banking limit screwed pipe at firm banking both sides of the edge can play position-limiting action,Fixed head cover screw hole is set to be fixed with firm banking screw hole rapid alignment.

Description

A kind of membrane separation plant check-valves
Technical field
The utility model belongs to technical field, and in particular to a kind of membrane separation plant check-valves.
Background technology
Check-valves is also known as check valve or non-return valve, and effect is to prevent the medium in pipeline from flowing backwards.The bottom that pump sump closes Valve also belongs to check-valves class.Opening and closing element is voluntarily turned on and off by media flow and strength, with prevent the valve that medium is flow backwards Check-valves.Check-valves belongs to automatic valve class, is mainly used on the pipeline of medium one-way flow, only medium is allowed to be flowed to a direction Dynamic, to try to avert accidents, check-valves is divided by structure, can be divided into lift check valve, swing check valve and butterfly non-return Three kinds of valve.Lift check valve can be divided into vertical and two kinds of through type.Swing check valve is divided into single-lobe formula, Double-disc type and more valves Three kinds of formula.Butterfly swing check valve is butterfly bivalve, butterfly single-lobe, above several check-valves can be divided into screw thread company in type of attachment It connects, flanged joint, welding connect four kinds with wafer type.
Existing membrane separation plant with check-valves water inlet pipe due to thering is water to flow through for a long time, might have dirt be attached into Mouth of a river inside pipe wall, and be inconvenient to be cleared up;And when fixed head cover and fixed firm banking assembling, fixed head cover screw hole with it is solid Determine pedestal screw hole can not rapid alignment the problem of being fixed, influencing working efficiency, thus it is proposed that a kind of membrane separation plant Use check-valves.
Utility model content
The purpose of this utility model is to provide a kind of membrane separation plant check-valves, to solve to carry in above-mentioned background technology The existing membrane separation plant gone out, due to being had water to flow through for a long time, might have dirt and be attached to water inlet with check-valves water inlet pipe Inside pipe wall, and be inconvenient to be cleared up;And when fixed head cover and fixed firm banking assembling, fixed head cover screw hole and fixed bottom Seat screw hole can not rapid alignment the problem of being fixed, influencing working efficiency.
To achieve the above object, the utility model provides the following technical solutions:A kind of membrane separation plant check-valves, including Check-valves is provided with fixed head cover at the top of the check-valves, and the bottom of the check-valves is provided with check valve body shell, institute It states and is provided with firm banking at the top of check valve body shell, the side of the check valve body shell is provided with water inlet pipe Road, and the other side of check valve body shell is provided with water outlet pipeline, the check valve body shell and water inlet conduit and Check valve body shell and water outlet pipeline are integral structure, and sliding recess is provided on the inside of the water inlet conduit, The outer surface of interior card pipeline is provided with interior card pipe protrusion, and the water inlet conduit passes through sliding recess and interior card with interior card pipeline Pipe protrusion, which is slidably fastened, to be fixed, and the fixed head cover is internally provided with fixed head cover screw hole, the firm banking it is interior Portion is provided with firm banking screw hole, is provided at the top of the firm banking screw hole at the position of the firm banking both sides of the edge Firm banking limits screwed pipe, and the fixed head cover limits screwed pipe by firm banking with firm banking and is caught in fixed head cover two sides Fixed head cover screw hole is inserted into after fixation head cover screw hole at edge position by bolt to be fixed with firm banking screw hole.
Preferably, it is smaller to fix head cover screw hole for the radius ratio of the firm banking limit screwed pipe.
Preferably, the fixed head cover screw hole is identical as the radius of firm banking screw hole.
Preferably, the internal diameter of the radius ratio water inlet conduit of the interior card pipeline is smaller.
Preferably, the interior card pipeline is a kind of hollow cylindrical structure.
Compared with prior art, the utility model has the beneficial effects that:After installing the utility model, membrane separation plant With check-valves water inlet pipe, due to there is water to flow through for a long time, the dirt to be formed can be attached to interior card inner wall of the pipe, and interior card pipeline is convenient Dismounting is cleaned;In fixed head cover and fixed firm banking assembling, the firm banking limit at firm banking both sides of the edge Screwed pipe can play position-limiting action, so that fixed head cover screw hole is fixed with firm banking screw hole rapid alignment, ease of assembly.
Description of the drawings
Fig. 1 is the check-valves positive structure schematic of the utility model;
Fig. 2 is the interior card piping fixing structure schematic diagram of the utility model;
Fig. 3 is that the fixation head cover of the utility model and firm banking lead quasi- structural schematic diagram;
In figure:1- check-valves, 2- firm bankings, 3- water inlet conduits, 4- check valve bodies shell, 5- water outlets pipeline, 6- fixes that head cover, 7- sliding recess, card pipeline in 8-, card pipe protrusion, 10- fix head cover screw hole, the limit of 11- firm bankings in 9- Screwed pipe, 12- firm banking screw holes.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1, Fig. 2 and Fig. 3, the utility model provide a kind of technical solution:A kind of membrane separation plant check-valves, Including check-valves 1, the top of check-valves 1 is provided with fixed head cover 6, and the bottom of check-valves 1 is provided with check valve body shell 4, The top of check valve body shell 4 is provided with firm banking 2, and the side of check valve body shell 4 is provided with water inlet conduit 3, And the other side of check valve body shell 4 is provided with water outlet pipeline 5, check valve body shell 4 and water inlet conduit 3 and non-return Valve body shell 4 is an integral structure with water outlet pipeline 5, and the inside of water inlet conduit 3 is provided with sliding recess 7, interior card The outer surface of pipeline 8 is provided with interior card pipe protrusion 9, and water inlet conduit 3 is managed with interior card pipeline 8 by sliding recess 7 and interior card Protrusion 9, which is slidably fastened, to be fixed, and fixed head cover 6 is internally provided with fixed head cover screw hole 10, the inside setting of firm banking 2 There is firm banking screw hole 12, the top of the firm banking screw hole 12 at 2 both sides of the edge position of firm banking is provided with fixation Pedestal limits screwed pipe 11, and fixed head cover 6 limits screwed pipe 11 by firm banking with firm banking 2 and is caught in 6 two sides of fixed head cover Fixed head cover screw hole 10 is inserted into after fixation head cover screw hole 10 at edge position by bolt to be fixed with firm banking screw hole 12.
In order to enable firm banking limit screwed pipe 11 to be caught in fixed head cover screw hole 10, in the present embodiment, it is preferred that fixed bottom It is smaller that the radius ratio of seat limit screwed pipe 11 fixes head cover screw hole 10.
In order to make fixed head cover screw hole 10 and firm banking screw hole 12 facilitate fixation, in the present embodiment, it is preferred that fixed top Lid screw hole 10 is identical as the radius of firm banking screw hole 12.
In order to enable interior card pipeline 8 to be caught in inside water inlet conduit 3, in the present embodiment, it is preferred that the half of interior card pipeline 8 Diameter is more smaller than the internal diameter of water inlet conduit 3.
In order to allow the water to be flowed through inside interior card pipeline 8, in the present embodiment, it is preferred that interior card pipeline 8 is a kind of hollow Cylindrical structure.
The operation principle and process for using of the utility model:When head cover 6 is fixed with the fixation assembling of firm banking 2, Firm banking limit screwed pipe 11 is inserted into after being caught in the limit of the fixation head cover screw hole 10 at 6 both sides of the edge position of fixed head cover by bolt Fixed head cover screw hole 10 is fixed with firm banking screw hole 12, the interior card pipeline 8 that flow engages by 3 inside of water inlet conduit It flows into inside check valve body shell 4, the flap of check-valves 1 is opened under Fluid pressure effect, and fluid flows to out from inlet side Mouth side.When import lateral pressure be less than outlet side when, flap the factors such as fluid pressure difference, gravity itself effect under be automatically closed to prevent Then only reverse flow of fluids is flowed out by water outlet pipeline 5, needing to clean the interior card pipeline 8 inside water inlet conduit 3 When, interior card pipeline 8 can be dismantled again internal 8 inner wall of card pipeline along the sliding of sliding recess 7 and be cleaned.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (5)

1. a kind of membrane separation plant check-valves, including check-valves (1), it is characterised in that:The top of the check-valves (1) is arranged There are fixed head cover (6), the bottom of the check-valves (1) to be provided with check valve body shell (4), the check valve body shell (4) firm banking (2) is provided at the top of, the side of the check valve body shell (4) is provided with water inlet conduit (3), and The other side of check valve body shell (4) is provided with water outlet pipeline (5), the check valve body shell (4) and water inlet pipe Road (3) and check valve body shell (4) are an integral structure with water outlet pipeline (5), the inside of the water inlet conduit (3) It is provided with sliding recess (7), the outer surface of interior card pipeline (8) is provided with interior card pipe protrusion (9), the water inlet conduit (3) It is slidably fastened and is fixed with interior card pipe raised (9) by sliding recess (7) with interior card pipeline (8), the fixed head cover (6) It is internally provided with fixed head cover screw hole (10), the firm banking (2) is internally provided with firm banking screw hole (12), is in institute It states and is provided with firm banking limit screwed pipe at the top of the firm banking screw hole (12) at firm banking (2) both sides of the edge position (11), the fixed head cover (6) limits screwed pipe (11) by firm banking with firm banking (2) and is caught in fixed head cover (6) both sides After fixation head cover screw hole (10) at marginal position by bolt be inserted into fixed head cover screw hole (10) and firm banking screw hole (12) into Row is fixed.
2. a kind of membrane separation plant check-valves according to claim 1, it is characterised in that:The firm banking limits spiral shell The radius ratio fixation head cover screw hole (10) for managing (11) is smaller.
3. a kind of membrane separation plant check-valves according to claim 1, it is characterised in that:The fixed head cover screw hole (10) identical as the radius of firm banking screw hole (12).
4. a kind of membrane separation plant check-valves according to claim 1, it is characterised in that:The interior card pipeline (8) The internal diameter of radius ratio water inlet conduit (3) is smaller.
5. a kind of membrane separation plant check-valves according to claim 1, it is characterised in that:The interior card pipeline (8) is A kind of hollow cylindrical structure.
CN201721876129.4U 2017-12-28 2017-12-28 A kind of membrane separation plant check-valves Active CN208011016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721876129.4U CN208011016U (en) 2017-12-28 2017-12-28 A kind of membrane separation plant check-valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721876129.4U CN208011016U (en) 2017-12-28 2017-12-28 A kind of membrane separation plant check-valves

Publications (1)

Publication Number Publication Date
CN208011016U true CN208011016U (en) 2018-10-26

Family

ID=63881994

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721876129.4U Active CN208011016U (en) 2017-12-28 2017-12-28 A kind of membrane separation plant check-valves

Country Status (1)

Country Link
CN (1) CN208011016U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
PE01 Entry into force of the registration of the contract for pledge of patent right
PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: A check valve for membrane separation equipment

Effective date of registration: 20200812

Granted publication date: 20181026

Pledgee: Bank of China Limited Xiamen hi tech Park sub branch

Pledgor: QINHAO MEMBRANE TECHNOLOGY(XIAMEN)CO., Ltd.

Registration number: Y2020980004900

PC01 Cancellation of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20231212

Granted publication date: 20181026

Pledgee: Bank of China Limited Xiamen hi tech Park sub branch

Pledgor: QINHAO MEMBRANE TECHNOLOGY(XIAMEN)CO., Ltd.

Registration number: Y2020980004900