CN108692071A - A kind of large-flow check valve - Google Patents

A kind of large-flow check valve Download PDF

Info

Publication number
CN108692071A
CN108692071A CN201810683654.7A CN201810683654A CN108692071A CN 108692071 A CN108692071 A CN 108692071A CN 201810683654 A CN201810683654 A CN 201810683654A CN 108692071 A CN108692071 A CN 108692071A
Authority
CN
China
Prior art keywords
valve barrel
match
axis pin
inner cavity
check valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201810683654.7A
Other languages
Chinese (zh)
Inventor
项红霞
周进
吴涛
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.)
JIANGSU JINGWEI VALVE Co Ltd
Original Assignee
JIANGSU JINGWEI VALVE Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU JINGWEI VALVE Co Ltd filed Critical JIANGSU JINGWEI VALVE Co Ltd
Priority to CN201810683654.7A priority Critical patent/CN108692071A/en
Publication of CN108692071A publication Critical patent/CN108692071A/en
Withdrawn legal-status Critical Current

Links

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
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/033Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member spring-loaded
    • 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
    • F16K15/03Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • F16K15/035Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F16K15/036Dual valve members with hinges crossing the flow line substantially diametrical
    • F16K15/038Dual valve members with hinges crossing the flow line substantially diametrical having a common hinge
    • 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
    • F16K27/00Construction of housing; Use of materials therefor
    • F16K27/02Construction of housing; Use of materials therefor of lift valves
    • F16K27/0209Check valves or pivoted valves
    • F16K27/0227Check valves or pivoted valves with the valve members swinging around an axis located at the edge of or outside the valve member

Abstract

The invention discloses a kind of large-flow check valves of check valve technical field,It is provided with the right valve barrel to match with left valve barrel on the right side of the left valve barrel,The left valve barrel inner cavity top is both provided with groove with bottom,The groove inner cavity is both provided with supporting rod,The one end of the supporting rod far from groove is both provided with axis pin,It is both provided with curved baffle on the right side of the axis pin,The right valve barrel inner cavity top is both provided with the auxiliary rod to match with fixed link with bottom,The fixed link is flexibly connected by spring with auxiliary rod,The one-way valve structures are simple,Convenient disassembly,When check valve certain parts damages in use,Left valve barrel and right valve barrel are dismantled,Check valve inside is overhauled,Determine the component of damage,It is convenient for dismantling supporting rod by the internal and external threads to match,Pass through bolt and the screw hole fixed link easy to disassemble and auxiliary rod to match,It is time saving and energy saving,Greatly meet use demand.

Description

A kind of large-flow check valve
Technical field
The present invention relates to check valve technical field, specially a kind of large-flow check valve.
Background technology
Check valve, which is fluid, to be flowed along water inlet, and water outlet medium can not but flow back, and be commonly called as check valve.Check valve is again Claim check-valves or non-return valve.For preventing oil stream reverse flow in hydraulic system, or for preventing compression empty in pneumatic system Gas reverse flow.Currently, check valve in the market when some component is damaged in use, causes check valve that can not make With, entire check valve is needed replacing, cost is greatly improved, and the check valve remaining part of wherein some parts damages may be used also It with normal use, directly abandons or without using great waste is caused, for this purpose, we have proposed a kind of large-flow check valves.
Invention content
The purpose of the present invention is to provide a kind of large-flow check valves, to solve the problems mentioned in the above background technology.
To achieve the above object, the present invention provides the following technical solutions:A kind of large-flow check valve, including left valve barrel, institute It states and is provided with the right valve barrel to match with left valve barrel on the right side of left valve barrel, the left valve barrel inner cavity top is both provided with recessed with bottom Slot, the groove inner cavity are both provided with supporting rod, and the one end of the supporting rod far from groove is both provided with axis pin, and the axis pin is right Side is both provided with curved baffle, and side back of the curved baffle described in two groups far from axis pin is both provided with fixed link, the right side Body cavity top and bottom is both provided with the auxiliary rod to match with fixed link, and the fixed link passes through spring with auxiliary rod Flexible connection.
Preferably, the supporting rod is bolted in groove inner cavity, and supporting rod outer wall top by the internal and external threads to match Portion's surrounding is both provided with gag lever post, and adjacent gag lever post is fixedly connected by bracing piece.
Preferably, side of the arc pressuring plate far from axis pin of the left valve barrel inner cavity top is provided with mounting groove, and installs Slot inner cavity is provided with GS gaskets, and side of the arc pressuring plate far from axis pin of the left valve barrel intracavity bottom is provided with and mounting groove phase Matched convex block, and convex block is connected in by interference fit in mounting groove.
Preferably, the spring outer wall is both provided with water proof rubber cylinder, and is fixed with curved baffle at the top of water proof rubber cylinder Connection, water proof rubber cylinder bottom is fixedly connected with right valve barrel inner wall.
Preferably, the curved baffle is fixedly connected by welding manner with axis pin, and axis pin outer wall is provided with poly- four Vinyl fluoride waterproof ventilated membrane.
Preferably, the fixed link and auxiliary rod are fixedly mounted by the bolt and screw hole that match, and fixed link and The limiting slot to match with spring is both provided on auxiliary rod.
Compared with prior art, the beneficial effects of the invention are as follows:
The one-way valve structures are simple, convenient disassembly, when check valve certain parts damages in use, by left valve barrel and right valve Body is dismantled, and is overhauled to check valve inside, determines the component of damage, by the internal and external threads that match be convenient for supporting rod into Row dismounting, it is time saving and energy saving by bolt and the screw hole fixed link easy to disassemble and auxiliary rod to match, greatly meet use Demand.
Description of the drawings
Fig. 1 is schematic structural view of the invention.
In figure:1 left valve barrel, 2 right valve barrels, 3 grooves, 4 supporting rods, 5 axis pins, 6 curved baffles, 7 fixed links, 8 auxiliary rods, 9 Spring.
Specific implementation mode
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 describes, 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.
Referring to Fig. 1, the present invention provides a kind of technical solution:A kind of large-flow check valve, including left valve barrel 1, left valve barrel 1 Right side is provided with the right valve barrel 2 to match with left valve barrel 1, and 1 inner cavity top of left valve barrel and bottom are both provided with groove 3, in groove 3 Chamber is both provided with supporting rod 4, and the one end of supporting rod 4 far from groove 3 is both provided with axis pin 5, and 5 right side of axis pin is both provided with arc gear Plate 6, side back of two groups of curved baffles 6 far from axis pin 5 are both provided with fixed link 7, and 2 inner cavity top of right valve barrel and bottom are equal It is provided with the auxiliary rod 8 to match with fixed link 7, fixed link 7 is flexibly connected by spring 9 with auxiliary rod 8.
Wherein, supporting rod 4 is bolted in 3 inner cavity of groove by the internal and external threads to match, and four at the top of 4 outer wall of supporting rod It is both provided with gag lever post week, adjacent gag lever post is fixedly connected by bracing piece, is convenient for support by the internal and external threads to match Bar 4 carries out dismounting installation, is convenient for rotary supporting rod 4 by the mutual cooperation of gag lever post and bracing piece, time saving and energy saving;
Side of the arc pressuring plate 6 far from axis pin 5 of 1 inner cavity top of left valve barrel is provided with mounting groove, and mounting groove inner cavity is provided with Side of the arc pressuring plate 6 far from axis pin 5 of GS gaskets, 1 intracavity bottom of left valve barrel is provided with the convex block to match with mounting groove, and Convex block is connected in by interference fit in mounting groove, coordinates GS gaskets to significantly increase company by the mounting groove and convex block of matching The leakproofness for meeting place, satisfies the use demand;
9 outer wall of spring is both provided with water proof rubber cylinder, and is fixedly connected with curved baffle 6 at the top of water proof rubber cylinder, water proof rubber Cylinder bottom is fixedly connected with 2 inner wall of right valve barrel, can be protected to spring 9, fixed link 7 and auxiliary rod 8 by rubber waterproof cylinder, is prevented Sealing stream greatly extends service life to its rust corrosion;
Curved baffle 6 is fixedly connected by welding manner with axis pin 5, and to be provided with polytetrafluoroethylene (PTFE) waterproof saturating for 5 outer wall of axis pin Air film connects the case where curved baffle 6 and axis pin 5 significantly increase robustness, prevent its fracture by welding manner and occurs, The case where can prevent flow from corroding to it by polytetrafluoroethylene (PTFE) waterproof ventilated membrane causes axis pin 5 that can not rotate;
Fixed link 6 and auxiliary rod 8 are fixedly mounted by the bolt and screw hole that match, and are all provided on fixed link 6 and auxiliary rod 8 It is equipped with the limiting slot to match with spring, is cooperated by the bolt and screw hole that match convenient for carrying out dismounting and change to it, It is time saving and energy saving, reduce the cost loss of check valve.
Operation principle:When a certain parts damages of unidirectional valve insertion lead to not work to check valve in use, lead to Turn left valve body 1 and right valve barrel 2 of overwinding overhauls its inner cavity left valve barrel 1 and the dismounting of right valve barrel 2, determines the component of damage, Can supporting rod 4 and curved baffle 6 be subjected to dismounting and change by rotary supporting rod 4, when fixed link 7 and auxiliary rod 8 are damaged Bad when, can carry out dismounting and change by the bolt and screw hole that match to it, time saving and energy saving, greatly meet use demand.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace And modification, the scope of the present invention is defined by the appended.

Claims (6)

1. a kind of large-flow check valve, including left valve barrel(1), the left valve barrel(1)Right side is provided with and left valve barrel(1)Match Right valve barrel(2), it is characterised in that:The left valve barrel(1)Inner cavity top is both provided with groove with bottom(3), the groove(3) Inner cavity is both provided with supporting rod(4), the supporting rod(4)Far from groove(3)One end be both provided with axis pin(5), the axis pin (5)Right side is both provided with curved baffle(6), curved baffle described in two groups(6)Far from axis pin(5)Side back be both provided with Fixed link(7), the right valve barrel(2)Inner cavity top is both provided with bottom and fixed link(7)The auxiliary rod to match(8), institute State fixed link(7)With auxiliary rod(8)Pass through spring(9)Flexible connection.
2. a kind of large-flow check valve according to claim 1, it is characterised in that:The supporting rod(4)Pass through phase The internal and external threads matched are bolted in groove(3)Inner cavity, and supporting rod(4)Surrounding is both provided with gag lever post, adjacent limit at the top of outer wall Bar is fixedly connected by bracing piece.
3. a kind of large-flow check valve according to claim 1, it is characterised in that:The left valve barrel(1)Inner cavity top Arc pressuring plate(6)Far from axis pin(5)Side be provided with mounting groove, and mounting groove inner cavity is provided with GS gaskets, the left valve barrel (1)The arc pressuring plate of intracavity bottom(6)Far from axis pin(5)Side be provided with the convex block to match with mounting groove, and convex block is logical Interference fit is connected in mounting groove.
4. a kind of large-flow check valve according to claim 1, it is characterised in that:The spring(9)Outer wall is both provided with Water proof rubber cylinder, and water proof rubber cylinder top and curved baffle(6)It is fixedly connected, water proof rubber cylinder bottom and right valve barrel(2)It is interior Wall is fixedly connected.
5. a kind of large-flow check valve according to claim 1, it is characterised in that:The curved baffle(6)Pass through weldering Connect mode and axis pin(5)It is fixedly connected, and axis pin(5)Outer wall is provided with polytetrafluoroethylene (PTFE) waterproof ventilated membrane.
6. a kind of large-flow check valve according to claim 1, it is characterised in that:The fixed link(6)And auxiliary rod(8) It is fixedly mounted by the bolt and screw hole that match, and fixed link(6)And auxiliary rod(8)On be both provided with and match with spring Limiting slot.
CN201810683654.7A 2018-06-28 2018-06-28 A kind of large-flow check valve Withdrawn CN108692071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810683654.7A CN108692071A (en) 2018-06-28 2018-06-28 A kind of large-flow check valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810683654.7A CN108692071A (en) 2018-06-28 2018-06-28 A kind of large-flow check valve

Publications (1)

Publication Number Publication Date
CN108692071A true CN108692071A (en) 2018-10-23

Family

ID=63850095

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810683654.7A Withdrawn CN108692071A (en) 2018-06-28 2018-06-28 A kind of large-flow check valve

Country Status (1)

Country Link
CN (1) CN108692071A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178249A (en) * 2020-11-30 2021-01-05 山东辛丁技术有限公司 Safety valve for oil exploitation
CN115773403A (en) * 2023-02-10 2023-03-10 山东史达夫工控科技有限公司 Control valve for preventing freezing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112178249A (en) * 2020-11-30 2021-01-05 山东辛丁技术有限公司 Safety valve for oil exploitation
CN115773403A (en) * 2023-02-10 2023-03-10 山东史达夫工控科技有限公司 Control valve for preventing freezing

Similar Documents

Publication Publication Date Title
CN108692071A (en) A kind of large-flow check valve
CN201141453Y (en) Two-position three-way valve device
CN207261719U (en) A kind of quick device with pressure for replacing valve greasing mouth
CN207331856U (en) A kind of non-negative pressure stabilized compensator
CN202362228U (en) Rock core holder
CN204841090U (en) Waterproof hammer impact's filter equipment
CN210662313U (en) Gas terminal box
CN107387926A (en) Sleeve anti-corrosion straight tube bypass pressure balance type bellows compensator
CN220396605U (en) Quick-clamping diaphragm check valve
CN210739477U (en) Direct-acting overflow valve
CN207728923U (en) A kind of modified combined valve body
CN214947122U (en) Swing check valve flange joint
CN217439069U (en) Complete set of water supply equipment
CN211599642U (en) Hydraulic pump is with preventing fracture formula check valve convenient to installation
CN110131495A (en) A kind of inflation switching device
CN216344527U (en) High-strength corrosion-resistant threaded flange
CN217440865U (en) Pressure difference type internal relief pressure regulating overflow valve
CN220891223U (en) Anti-pollution valve
CN212297996U (en) Drain pipe mounting structure
CN220152131U (en) Emergency cut-off valve for chemical tank
CN212251326U (en) Safety valve assembly of water heater
CN216242509U (en) Conical flat plate non-rod conical valve core for sealing check valve
CN219827835U (en) Double-sealing check valve
CN214946443U (en) Pneumatic diaphragm valve convenient to overhaul, dismount and mount
CN210196562U (en) Micro-resistance slow-closing type check valve

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication
WW01 Invention patent application withdrawn after publication

Application publication date: 20181023