CN107676512A - A kind of simple type check-valves - Google Patents

A kind of simple type check-valves Download PDF

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Publication number
CN107676512A
CN107676512A CN201710944787.0A CN201710944787A CN107676512A CN 107676512 A CN107676512 A CN 107676512A CN 201710944787 A CN201710944787 A CN 201710944787A CN 107676512 A CN107676512 A CN 107676512A
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CN
China
Prior art keywords
sealing block
current limliting
limliting post
sealing
valve body
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Granted
Application number
CN201710944787.0A
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Chinese (zh)
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CN107676512B (en
Inventor
黎宏
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.)
Hexian Kejia Valve Casting Co ltd
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HEXIAN KEJIA VALVE CASTING CO Ltd
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Priority to CN201710944787.0A priority Critical patent/CN107676512B/en
Publication of CN107676512A publication Critical patent/CN107676512A/en
Application granted granted Critical
Publication of CN107676512B publication Critical patent/CN107676512B/en
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Classifications

    • 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 are radially welded with headtree, the lumen centers vertical direction of the valve body is plugged with slide bar, the top and bottom of the slide bar are fixed with the headtree of upper and lower ends weld respectively, the slide bar slides through the first sealing block successively, the first spliced eye and the second spliced eye of second sealing block and the 3rd sealing block, body cavity top side wall is fixedly welded with the first current limliting post, body cavity bottom side wall is fixedly welded with the second current limliting post, the slide bar sequentially passes through the first current limliting post and the second current limliting post, and it is not bonded mutually, first sealing block and the second sealing block are respectively positioned between the first current limliting post and the second current limliting post, and it is mutually adapted, 3rd sealing block is located at the lower section of the second current limliting post, and it is mutually adapted.The present invention is a kind of simple type check-valves, and simple in construction, cost is cheap, 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 technology
Check-valves refers to flow in itself by medium and automatic open and close flap, for preventing the valve of medium refluence, also known as Non-return valve, check valve, reflux valve and counterbalance valve.Check-valves belongs to a kind of automatic valve, its main function be prevent medium flow backwards, Prevent pump and the drive motor from inverting, and vessel media is released.At present, the check-valves of 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 relatively low, therefore city Need a kind of backflow effect good on, the high and simple in construction check-valves of structural strength, for being easy to be used for multiple times, save Cost payout.
The content of the invention
It is an object of the invention 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 present invention provides following technical scheme:A kind of simple type check-valves, including valve body, it is described Body cavity top and bottom are radially welded with headtree, and the headtree sets 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 of the slide bar bifurcated with upper and lower ends respectively Bar fixes welding, and the inner chamber 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 second sealing block distribution symmetrical above and below, and the stickup that interfixes, the inner chamber of the 3rd sealing block Vertical direction is provided with the second spliced eye, and the slide bar slides through the first sealing block, the second sealing block and the 3rd sealing block successively The first spliced eye and the second spliced eye, body cavity top side wall is fixedly welded with the first current limliting post, in the valve body Bottom of chamber side wall is fixedly welded with the second current limliting post, and the upper and lower end face of the first current limliting post and the second current limliting post concaves Fall into, and inner chamber is hollow, the slide bar sequentially passes through the first current limliting post and the second current limliting post, 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 with fixed plate and bottom plate, the fixing screwed hole is provided with 4, and symmetrical rounded point two-by-two Cloth.
Preferably, first sealing block, the second sealing block and the 3rd sealing block use plastic material.
Preferably, the outer wall of the first sealing block and the second sealing block is enclosed with the first sealing gasket, the 3rd sealing block Outer wall be enclosed with the second sealing gasket.
Preferably, first sealing block and the second sealing block are respectively positioned between the first current limliting post and the second current limliting post, and It is mutually adapted, the 3rd sealing block is located at the lower section of the second current limliting post, and is mutually adapted.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention is a kind of simple type check-valves, and liquid leads to successively Cross the first current limliting post and the second current limliting post flows through body cavity, when liquid flows through the lower section of the first current limliting post, the first sealing block Be initially the top positioned at the second current limliting post 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 post, liquid stops entering, and liquid can now pass through Second current limliting post inner chamber flow out, the 3rd sealing block is located at the lower section of the second current limliting post, if flowing back, the 3rd sealing block by The buoyancy of the liquid of backflow, slowly floats, and can seal up the bottom face of the second current limliting post, 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 present invention is simple in construction, and cost is cheap, And the function of secondary non-return is realized, it is simple and practical.
Brief description of the drawings
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 sectional view of the invention;
Fig. 4 is the 3rd sealing block sectional view of the invention.
In figure:1 fixing screwed hole, 2 upper mounted plates, 3 valve bodies, 4 first current limliting posts, 5 second current limliting posts, 6 bottom plates, 7 3rd sealing block, 8 second sealing blocks, 9 first sealing blocks, 10 slide bars, 11 headtrees, 12 first sealing gaskets, 13 first spliced eyes, 14 second sealing gaskets, 15 second spliced eyes.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
, it is necessary to explanation in this practical description, the orientation of instruction such as term " vertical ", " on ", " under ", " level " or Person's position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of and describes this practicality and simplify to describe, Rather than instruction either implies that signified device or element must have specific orientation, with specific azimuth configuration and behaviour Make, therefore it is not intended that the limitation practical to this.In addition, " first ", " second ", " the 3rd ", " the 4th " are only used for describing mesh , and it is not intended that instruction or hint relative importance.
In this practical description, it is also necessary to explanation, unless otherwise clear and definite regulation and limitation, term " setting ", " peace Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly Connection, can be mechanical connection or electrical connection, can be directly connected to or be connected by intermediary, can To be the connection of two element internals.For the ordinary skill in the art, can understand as the case may be above-mentioned Concrete meaning of the term in this practicality.
Fig. 1-4 are referred to, the present invention provides a kind of technical scheme: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 Overall connect of valve body 3 is flowed through position, the inner chamber top of valve body 3 and the equal footpath in bottom by upper mounted plate 2 with bottom plate 6 in liquid To headtree 11 is welded with, the headtree 11 sets three, and is welded to each other in equilateral triangle, in the inner chamber of the valve body 3 Heart vertical direction is plugged with slide bar 10, and headtree 11 plays a part of support connection slide bar 10, the top and bottom of the slide bar 10 End is fixed with the headtree 11 of upper and lower ends weld respectively, and first sealing block 9, the second sealing block 8 and the 3rd sealing block 7 are equal Using plastic material, the inner chamber vertical direction of the sealing block 8 of the first sealing block 9 and second is provided with the first spliced eye 13, and Connection, 9 and second sealing block of the first sealing block, 8 distribution symmetrical above and below, and the stickup that interfixes up and down, the first sealing block 9 The first sealing gasket 12 is enclosed with the outer wall of the second sealing block 8, the first sealing gasket 12 strengthens sealing, the 3rd sealing block 7 inner chamber vertical direction is provided with the second spliced eye 15, and the outer wall of the 3rd sealing block 7 is enclosed with the second sealing gasket 14, and second Sealing gasket 14 can strengthen sealing, and the slide bar 10 slides through the first sealing block 9, the second sealing block 8 and the 3rd sealing successively The first spliced eye 13 and the second spliced eye 15 of block 7, the inner chamber top side wall of valve body 3 are fixedly welded with the first current limliting post 4, institute State the inner chamber bottom side wall of valve body 3 and be fixedly welded with the second current limliting post 5, the upper and lower side of the first current limliting post 4 and the second current limliting post 5 Face caves inward, and inner chamber is hollow, is easy to circulating liquid, and the slide bar 10 sequentially passes through the first current limliting post 4 and the second limit Fluidization tower 5, and be not bonded mutually, the sealing block 8 of the first sealing block 9 and second is respectively positioned on the first current limliting post 4 and the second current limliting post 5 Between, and be mutually adapted, the 3rd sealing block 7 is located at the lower section of the second current limliting post 5, and is mutually adapted.
Operation principle:In use, liquid passes sequentially through the first current limliting post 4 and the second current limliting post 5 flows through the inner chamber of valve body 3, when When liquid flows through the lower section of the first current limliting post 4, the first sealing block 9 and the second sealing block 8 are initially positioned at the upper of the second current limliting post 5 Side, with gradually increasing for liquid, and seal, the first sealing block 9 and the second sealing block 8 are hiked up by buoyancy, when arrival first During the bottom face of current limliting post 4, liquid stops entering, and liquid can now be flowed out by the inner chamber of the second current limliting post 5, the 3rd sealing block 7 Positioned at the lower section of the second current limliting post 5, if flowing back, the 3rd sealing block 7 is slowly floated by the buoyancy of the liquid to flow back, The bottom face of second current limliting post 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 post 4 can be sealed up, realize secondary non-return.
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 changes, modification can be carried out to these embodiments, replace 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 (5)

1. a kind of simple type check-valves, including valve body (3), it is characterised in that:Valve body (3) the inner chamber top and bottom are radially Be welded with headtree (11), the headtree (11) sets 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 of the slide bar (10) headtree with upper and lower ends respectively (11) fixed welding, first sealing block (9) and the inner chamber vertical direction of the second sealing block (8) are provided with the first spliced eye (13) connect, and up and down, first sealing block (9) and the second sealing block (8) distribution symmetrical above and below, and the stickup that interfixes, The inner chamber vertical direction of 3rd sealing block (7) is provided with the second spliced eye (15), and the slide bar (10) is slided through the successively The first spliced eye (13) and the second spliced eye (15) of one sealing block (9), the second sealing block (8) and the 3rd sealing block (7), it is described Valve body (3) inner chamber top side wall is fixedly welded with the first current limliting post (4), and valve body (3) inner chamber bottom side wall is fixedly welded with During the upper and lower end face of second current limliting post (5), the first current limliting post (4) and the second current limliting post (5) caves inward, and inner chamber is Sky, the slide bar (10) sequentially passes through the first current limliting post (4) and the second current limliting post (5), and is not bonded mutually.
A kind of 2. simple type check-valves according to claim 1, it is characterised in that:Outside the upper and lower ends of the valve body (3) Wall is fixedly welded with upper mounted plate (2) and bottom plate (6) respectively, is provided with fixed plate (2) and bottom plate (6) Fixing screwed hole (1), the fixing screwed hole (1) are provided with 4, and symmetrical rounded distribution two-by-two.
A kind of 3. simple type check-valves according to claim 1, it is characterised in that:It is first sealing block (9), second close Envelope block (8) and the 3rd sealing block (7) use plastic material.
A kind of 4. simple type check-valves according to claim 1, it is characterised in that:First sealing block (9) and the second sealing The outer wall of block (8) is enclosed with the first sealing gasket (12), and the outer wall of the 3rd sealing block (7) is enclosed with the second sealing gasket (14)。
A kind of 5. simple type check-valves according to claim 1, it is characterised in that:First sealing block (9) and second Sealing block (8) is respectively positioned between the first current limliting post (4) and the second current limliting post (5), and is mutually adapted, the 3rd sealing block (7) Positioned at the lower section of the second current limliting post (5), and it is mutually adapted.
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

Publications (2)

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CN107676512A true CN107676512A (en) 2018-02-09
CN107676512B 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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PB01 Publication
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SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
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TR01 Transfer of patent right
TR01 Transfer of patent right

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