CN107676512B - A kind of simple type check-valves - Google Patents

A kind of simple type check-valves Download PDF

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Publication number
CN107676512B
CN107676512B CN201710944787.0A CN201710944787A CN107676512B CN 107676512 B CN107676512 B CN 107676512B CN 201710944787 A CN201710944787 A CN 201710944787A CN 107676512 B CN107676512 B CN 107676512B
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China
Prior art keywords
sealing block
current limliting
limliting column
column
valve body
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CN201710944787.0A
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CN107676512A (en
Inventor
黎宏
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Hexian Kejia Valve Casting Co ltd
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HEXIAN KEJIA VALVE CASTING CO Ltd
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Publication of CN107676512A publication Critical patent/CN107676512A/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00Check valves
    • F16K15/02Check valves with guided rigid valve members
    • F16K15/06Check valves with guided rigid valve members with guided stems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K51/00Other details not peculiar to particular types of valves or cut-off apparatus

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Check Valves (AREA)

Abstract

The invention discloses a kind of simple type check-valves, including valve body, the body cavity top and bottom end are radially welded with headtree, the lumen centers vertical direction of the valve body is plugged with slide bar, the top and bottom end of the slide bar are fixedly welded with the headtree of upper and lower ends respectively, the slide bar is successively slided through the first sealing block, the first spliced eye and the second spliced eye of second sealing block and third sealing block, body cavity top side wall is fixedly welded with the first current limliting column, body cavity bottom end side wall is fixedly welded with the second current limliting column, the slide bar sequentially passes through the first current limliting column and the second current limliting column, and it is not bonded mutually, first sealing block and the second sealing block are respectively positioned between the first current limliting column and the second current limliting column, and it is mutually adapted, the third sealing block is located at the lower section of the second current limliting column, and it is mutually adapted.The present invention is a kind of simple type check-valves, and structure is simple, low in cost, and realizes the function of secondary non-return, simple and practical.

Description

A kind of simple type check-valves
Technical field
The present invention relates to check-valves related application technical field, specially a kind of simple type check-valves.
Background technique
Check-valves refers to be flowed and automatic open and close flap by medium itself, for the valve for preventing medium from flowing backwards, also known as Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, main function be prevent medium from flowing backwards, Prevent pump and drive motor reversion and vessel media from releasing.Currently, check-valves in the market, it includes check-valves sheet Body.Although the effect of this non-return valve body backflow is pretty good, structure is complex, and structural strength is lower, therefore city Need a kind of backflow effect good on, structural strength is high and the simple check-valves of structure is saved for being convenient for being used for multiple times Cost payout.
Summary of the invention
The purpose of the present invention is to provide a kind of simple type check-valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of simple type check-valves, including valve body, it is described Body cavity top and bottom end are radially welded with headtree, and the headtree is arranged three, and is welded to each other in equilateral triangle, The lumen centers vertical direction of the valve body is plugged with slide bar, the top and bottom end of the slide bar respectively with the bifurcated of upper and lower ends Bar is fixedly welded, and the inner cavity vertical direction of first sealing block and the second sealing block is provided with the first spliced eye, and connects up and down It is logical, first sealing block and the distribution symmetrical above and below of the second sealing block, and the stickup that is fixed to each other, the inner cavity of the third sealing block Vertical direction is provided with the second spliced eye, and the slide bar is successively slided through the first sealing block, the second sealing block and third sealing block The first spliced eye and the second spliced eye, body cavity top side wall is fixedly welded with the first current limliting column, in the valve body Bottom of chamber end side wall is fixedly welded with the second current limliting column, and the upper and lower end face of the first current limliting column and the second current limliting column concaves Fall into, and inner cavity be it is hollow, the slide bar sequentially passes through the first current limliting column and the second current limliting column, and is not bonded mutually.
Preferably, the upper and lower ends outer wall of the valve body is fixedly welded with upper mounted plate and bottom plate respectively, it is described on Fixing screwed hole is provided in fixed plate and bottom plate, the fixing screwed hole is provided with 4, and rounded point symmetrical two-by-two Cloth.
Preferably, first sealing block, the second sealing block and third sealing block are all made of plastic material.
Preferably, the outer wall of the first sealing block and the second sealing block is enclosed with the first gasket, the third sealing block Outer wall be enclosed with the second gasket.
Preferably, first sealing block and the second sealing block are respectively positioned between the first current limliting column and the second current limliting column, and It is mutually adapted, the third sealing block is located at the lower section of the second current limliting column, and is mutually adapted.
Compared with prior art, the beneficial effects of the present invention are: the present invention is a kind of simple type check-valves, liquid successively leads to It crosses the first current limliting column and the second current limliting column flows through body cavity, when liquid flows through the lower section of the first current limliting column, the first sealing block Be initially the top positioned at the second current limliting column with the second sealing block, with gradually increasing for liquid, and seal, the first sealing block and Second sealing block is hiked up by buoyancy, and when reaching the bottom face of the first current limliting column, liquid stops entering, and liquid can pass through at this time Second current limliting column inner cavity outflow, third sealing block is located at the lower section of the second current limliting column, if flowing back, third sealing block by The buoyancy of the liquid of reflux, slowly floats, and can seal up the bottom face of the second current limliting column, if poor sealing, works as liquid When first sealing block and the second sealing block are floated, the first current limliting column sealing can be lived, the configuration of the present invention is simple is low in cost, And realize the function of secondary non-return, it is simple and practical.
Detailed description of the invention
Fig. 1 is agent structure schematic diagram of the present invention;
Fig. 2 is top view of the present invention;
Fig. 3 is the first sealing block and the second sealing block cross-sectional view of the invention;
Fig. 4 is third sealing block cross-sectional view of the present invention.
In figure: 1 fixing screwed hole, 2 upper mounted plates, 3 valve bodies, 4 first current limliting columns, 5 second current limliting columns, 6 bottom plates, 7 Third sealing block, 8 second sealing blocks, 9 first sealing blocks, 10 slide bars, 11 headtrees, 12 first gaskets, 13 first spliced eyes, 14 second gaskets, 15 second spliced eyes.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
In this practical description, it should be noted that the orientation of the instructions such as term "vertical", "upper", "lower", "horizontal" or Person's positional relationship is orientation based on the figure or positional relationship, is merely for convenience of this practical and simplified description of description, Rather than the device or element of instruction or hint meaning must have a particular orientation, and are constructed and grasped with specific orientation Make, therefore should not be understood as the limitation practical to this.In addition, " first ", " second ", " third ", " the 4th " are only used for description mesh , and should not be understood as indicating or implying relative importance.
In this practical description, it is also necessary to explanation, unless otherwise specific regulation and limitation, term " setting ", " peace Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection, can be mechanical connection, is also possible to be electrically connected, can be and be directly connected to, and be also possible to be connected by intermediary, can To be the connection inside two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned Concrete meaning of the term in this is practical.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of simple type check-valves, including valve body 3, the valve The upper and lower ends outer wall of body 3 is fixedly welded with upper mounted plate 2 and bottom plate 6, fixed plate 2 and bottom plate 6 respectively On be provided with fixing screwed hole 1, the fixing screwed hole 1 is provided with 4, and symmetrical rounded distribution two-by-two, can pass through respectively Whole be connected to of valve body 3 is flowed through position, the 3 inner cavity top of valve body and the equal diameter in bottom end in liquid with bottom plate 6 by upper mounted plate 2 To headtree 11 is welded with, the headtree 11 is arranged three, and is welded to each other in equilateral triangle, in the inner cavity of the valve body 3 Heart vertical direction is plugged with slide bar 10, and headtree 11 plays the role of support connection slide bar 10, the top and bottom of the slide bar 10 End is fixedly welded with the headtree of upper and lower ends 11 respectively, and first sealing block 9, the second sealing block 8 and third sealing block 7 are equal Using plastic material, the inner cavity vertical direction of first sealing block 9 and the second sealing block 8 is provided with the first spliced eye 13, and Connection up and down, first sealing block 9 and the distribution symmetrical above and below of the second sealing block 8, and the stickup that is fixed to each other, the first sealing block 9 It is enclosed with the first gasket 12 with the outer wall of the second sealing block 8, the first gasket 12 reinforces leakproofness, the third sealing block 7 inner cavity vertical direction is provided with the second spliced eye 15, and the outer wall of the third sealing block 7 is enclosed with the second gasket 14, and second Gasket 14 can reinforce leakproofness, and the slide bar 10 is successively slided through the first sealing block 9, the second sealing block 8 and third sealing The first spliced eye 13 and the second spliced eye 15 of block 7, the 3 inner cavity top side wall of valve body are fixedly welded with the first current limliting column 4, institute It states 3 inner cavity bottom end side wall of valve body and is fixedly welded with the second current limliting column 5, the upper and lower side of the first current limliting column 4 and the second current limliting column 5 Face is recessed inwardly, and inner cavity be it is hollow, be convenient for circulating liquid, the slide bar 10 sequentially passes through the first current limliting column 4 and the second limit Fluidization tower 5, and be not bonded mutually, first sealing block 9 and the second sealing block 8 are respectively positioned on the first current limliting column 4 and the second current limliting column 5 Between, and be mutually adapted, the third sealing block 7 is located at the lower section of the second current limliting column 5, and is mutually adapted.
Working principle: in use, liquid passes sequentially through the first current limliting column 4 and the second current limliting column 5 flows through 3 inner cavity of valve body, when When liquid flows through the lower section of the first current limliting column 4, the first sealing block 9 and the second sealing block 8 are initially positioned at the upper of the second current limliting column 5 Side with gradually increasing for liquid, and seals, and the first sealing block 9 and the second sealing block 8 are hiked up by buoyancy, when arrival first When the bottom face of current limliting column 4, liquid stops entering, and liquid can be flowed out at this time by 5 inner cavity of the second current limliting column, third sealing block 7 Positioned at the lower section of the second current limliting column 5, if flowing back, buoyancy of the third sealing block 7 by the liquid to flow back slowly floats, The bottom face of second current limliting column 5 can be sealed up, if poor sealing, when liquid is by the first sealing block 9 and the second sealing block 8 When floating, the first current limliting column 4 can be sealed up, realize secondary non-return.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding And modification, the scope of the present invention is defined by the appended.

Claims (2)

1. a kind of simple type check-valves, including valve body (3), it is characterised in that: valve body (3) the inner cavity top and bottom end are radial Be welded with headtree (11), the headtree (11) is arranged three, and is welded to each other in equilateral triangle, the valve body (3) it is interior Chamber center vertical direction is plugged with slide bar (10), the top and bottom end of the slide bar (10) respectively with the headtree of upper and lower ends (11) it being fixedly welded, the inner cavity vertical direction of the first sealing block (9) and the second sealing block (8) is provided with the first spliced eye (13), And connection up and down, first sealing block (9) and the second sealing block (8) distribution symmetrical above and below, and the stickup that is fixed to each other, third are close The inner cavity vertical direction of envelope block (7) is provided with the second spliced eye (15), and the slide bar (10) is successively slided through the first sealing block (9), the first spliced eye (13) and the second spliced eye (15) of the second sealing block (8) and third sealing block (7), the valve body (3) Inner cavity top side wall is fixedly welded with the first current limliting column (4), and valve body (3) inner cavity bottom end side wall is fixedly welded with the second current limliting The upper and lower end face of column (5), the first current limliting column (4) and the second current limliting column (5) is recessed inwardly, and the first current limliting column (4) and The inner cavity of second current limliting column (5) be it is hollow, the slide bar (10) sequentially passes through the first current limliting column (4) and the second current limliting column (5), And it is not bonded mutually;
The upper end outer wall of the valve body (3) is fixedly welded with upper mounted plate (2), and the lower end outer wall of the valve body (3) is fixedly welded Have bottom plate (6), is provided with fixing screwed hole (1), the fixed thread on fixed plate (2) and bottom plate (6) Hole (1) is provided with 4, and symmetrical rounded distribution two-by-two;
The outer wall of first sealing block (9) and the second sealing block (8) is enclosed with the first gasket (12), the third sealing block (7) outer wall is enclosed with the second gasket (14);
First sealing block (9) and the second sealing block (8) are respectively positioned between the first current limliting column (4) and the second current limliting column (5), and It is mutually adapted, the third sealing block (7) is located at the lower section of the second current limliting column (5), and is mutually adapted;
In use, liquid passes sequentially through the first current limliting column (4) and the second current limliting column (5) flows through valve body (3) inner cavity, when liquid flows through When the lower section of the first current limliting column (4), the first sealing block (9) and the second sealing block (8) are initially positioned at the upper of the second current limliting column (5) Side, and seal, with gradually increasing for liquid, the first sealing block (9) and the second sealing block (8) are hiked up by buoyancy, work as arrival When the bottom face of the first current limliting column (4), liquid stops entering, and liquid can be flowed out at this time by the second current limliting column (5) inner cavity, third Sealing block (7) is located at the lower section of the second current limliting column (5), if flowing back, third sealing block (7) is by the floating of the liquid to flow back Power slowly floats, and can seal up the bottom face of the second current limliting column (5), if poor sealing, when liquid is by the first sealing block (9) when and the second sealing block (8) floats, the first current limliting column (4) can be sealed up, realizes secondary non-return.
2. a kind of simple type check-valves according to claim 1, it is characterised in that: first sealing block (9), second close Envelope block (8) and third sealing block (7) are all made of plastic material.
CN201710944787.0A 2017-09-30 2017-09-30 A kind of simple type check-valves Active CN107676512B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710944787.0A CN107676512B (en) 2017-09-30 2017-09-30 A kind of simple type check-valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710944787.0A CN107676512B (en) 2017-09-30 2017-09-30 A kind of simple type check-valves

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CN107676512A CN107676512A (en) 2018-02-09
CN107676512B true CN107676512B (en) 2019-08-30

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201428837Y (en) * 2009-04-17 2010-03-24 高密市海纳卫浴制品有限公司 Check valve
WO2014021124A1 (en) * 2012-07-29 2014-02-06 タカハタプレシジョンジャパン株式会社 Check valve
CN203549013U (en) * 2013-11-26 2014-04-16 苏州大学 Backflow-preventing one-way valve
CN105003670A (en) * 2014-03-27 2015-10-28 艾默生过程管理调节技术公司 Double port pressure regulator with floating seat
CN205618795U (en) * 2016-05-14 2016-10-05 郑开省 Two body discharge valve in dual control room

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201428837Y (en) * 2009-04-17 2010-03-24 高密市海纳卫浴制品有限公司 Check valve
WO2014021124A1 (en) * 2012-07-29 2014-02-06 タカハタプレシジョンジャパン株式会社 Check valve
CN203549013U (en) * 2013-11-26 2014-04-16 苏州大学 Backflow-preventing one-way valve
CN105003670A (en) * 2014-03-27 2015-10-28 艾默生过程管理调节技术公司 Double port pressure regulator with floating seat
CN205618795U (en) * 2016-05-14 2016-10-05 郑开省 Two body discharge valve in dual control room

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Effective date of registration: 20191028

Address after: 238200, Anhui, Ma'anshan and Wujiang County Town Chen Lu new street

Patentee after: HEXIAN CHUANGZHI TECHNOLOGY INFORMATION SERVICE Co.,Ltd.

Address before: 238200 Tongjiang Road, Wujiang Industrial Park, Ma'anshan County, Anhui

Patentee before: HEXIAN KEJIA VALVE CASTING Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210415

Address after: 238200 Tongjiang Road, Wujiang Industrial Park, Ho County, Ma'anshan, Anhui

Patentee after: HEXIAN KEJIA VALVE CASTING Co.,Ltd.

Address before: 238200 Bu Chen new street, Wujiang Town, Ho County, Ma'anshan, Anhui

Patentee before: HEXIAN CHUANGZHI TECHNOLOGY INFORMATION SERVICE Co.,Ltd.

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 invention: A simple check valve

Granted publication date: 20190830

Pledgee: Agricultural Bank of China Limited Hexian Branch

Pledgor: HEXIAN KEJIA VALVE CASTING Co.,Ltd.

Registration number: Y2024980009150