CN207454843U - A kind of oblique valve check-valves of the anti-flap closing device of band - Google Patents
A kind of oblique valve check-valves of the anti-flap closing device of band Download PDFInfo
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- CN207454843U CN207454843U CN201721411577.7U CN201721411577U CN207454843U CN 207454843 U CN207454843 U CN 207454843U CN 201721411577 U CN201721411577 U CN 201721411577U CN 207454843 U CN207454843 U CN 207454843U
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- flap
- valve
- push rod
- valves
- closing device
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Abstract
The utility model is related to a kind of oblique valve check-valves of the anti-flap closing device of band, the oblique valve check-valves includes both ends and is respectively equipped with the tubular valve body of fluid inlet, fluid outlet, top equipped with middle mouth, valve deck on middle mouth, fluid inlet side and the valve seat of valve body center line setting at 45 ° in valve body, the inclination flap being connected with valve seat folding, it is that the band skeleton being made of flap main body and its sequentially connected flexible arm and propeller boss vulcanizes rubber integral piece to tilt flap, and the propeller boss for tilting flap is inlaid in fluid inlet side valve lid and the groove of valve body joint;It is characterized in that add anti-flap closing device in body base, the anti-flap closing device is by being equipped with the push rod of handle, suit push rod guides it to be formed into the locking nut of the push rod guide sleeve of valve body and locking push rod, flap is tilted under the promotion support of push rod, in opening state.The beneficial effects of the utility model are:It solves the problems, such as that anti-flap is closed, improves the function of oblique valve check-valves.
Description
Technical field
The utility model is related to a kind of valve more particularly to a kind of oblique valve check-valves of the anti-flap closing device of band.
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 and counterbalance valve.Belong to a kind of automatic valve, main function is to prevent medium from flowing backwards, preventing from pumping and drive
Motor inverts and vessel media is released.The effect of check-valves is only medium to be allowed to be flowed to a direction, usually this
Valve works automatically,
Swing check valve is one kind in check-valves, controls fluid on-off by flap rotating open-close, in one direction
Under the Fluid pressure effect of flowing, flap is opened;During fluid opposite direction flowing, by the dead weight of Fluid pressure and flap, flap closes
Together in valve seat, so as to cut off flowing.In recent years the oblique valve check-valves released is the swing check valve that a kind of flap is obliquely installed,
Structure includes both ends and is respectively equipped with the tubular valve body of fluid inlet, fluid outlet, top equipped with middle mouth, the valve on middle mouth
Lid, fluid inlet side and the valve seat of valve body center line setting at 45 °, the inclined valve being connected with valve seat folding in the valve body
Valve, the flap that tilts is the band skeleton vulcanization rubber one being made of flap main body and its sequentially connected flexible arm and propeller boss
Part, the propeller boss for tilting flap are inlaid in fluid inlet side valve lid and the groove of valve body joint.In operation, angle of valve seat
45 ° of structure designs, it is possible to reduce tilt flap to the stroke of fully open position;Flap opening angle is no more than 35 °, and can close rapidly
It closes, due to providing short closing stroke, the shock in closed position can be avoided, substantially reduce the possibility of water hammer.
Oblique valve check-valves is primarily adapted for use in horizontally-mounted supply and drain water system, is mountable at pump outlet, to prevent
It flows backwards and water hammer damages pump.It can also be mounted on the bypass pipe of cistern water inlet pipe and water outlet pipe, to prevent water from flowing backward to water system
In system.
In addition, for the flap position of the switch can be clearly seen in outside, to take switch adjustment control in time, stop in oblique valve
It returns at the top of valve and is also provided with valve plate position indicator, Patent No. ZL200720194273.X's【Check-valves】Patent provides
A kind of oblique valve check-valves with flap position indicator.The electricity of instruction flap position can also be further installed in practical applications
Signal is fed back to control room, realizes remote monitoring by recoil simulator.
But in valve operation, especially when starting pump, backwash, discharge line and the reflux of system testing needs, at this moment
Flap need to be opened, until operation is finished and shut again.But tiltedly valve check-valves does not possess this function still at present, how to solve, into
For industry concerned issue.
Utility model content
The main purpose of the utility model is that in view of the above-mentioned problems, the oblique valve for providing a kind of anti-flap closing device of band stops
Valve is returned, so as to solve the problems, such as the anti-flap closure when starting pump, backwash, discharge line and the reflux of system testing needs,
The function of oblique valve check-valves is improved, meets field application needs.
Technical solution is used by the utility model solves its technical problem:
A kind of oblique valve check-valves of the anti-flap closing device of band, the oblique valve check-valves including both ends be respectively equipped with fluid into
The tubular valve body of mouth, fluid outlet, top equipped with middle mouth, the valve deck on middle mouth, the fluid inlet side in the valve body
With the valve seat of valve body center line setting at 45 °, the inclination flap being connected with valve seat folding, the inclination flap is by flap main body
And its band skeleton vulcanization rubber integral piece that sequentially connected flexible arm and propeller boss are formed, tilt flap propeller boss be inlaid in fluid into
In mouth side valve lid and the groove of valve body joint;It is characterized in that anti-flap closing device is added in the body base, it is described
Anti- flap closing device is by being equipped with the push rod of handle, suit push rod guides it into the push rod guide sleeve of valve body and locks push rod
Locking nut is formed, and flap is tilted under the promotion support of push rod, in opening state.
The push rod is arranged with push rod external thread section close to its handle end, and rest part is polished rod;The push rod is oriented to
It covers its inside and sets up separately to put close to handle end and import thread segment with the push rod of push rod external thread section cooperation, rest part is and push rod
The unthreaded hole of polished rod clearance fit;The locking nut is sleeved on push rod external thread section;In the body base and closure state
It tilts flap lower end correspondence and is vertically arranged valve body screw thread guide hole with tilting flap surface, the push rod guide sleeve passes through its outside
The external thread section coordinated with the valve body screw thread guide hole that middle part is set is threaded in valve body screw thread guide hole.
The push rod pushes away valve end as spherical shape.
The flap main body inside lining filling disk steel plate frame for tilting flap, in propeller boss inside lining filling cylinder steel mandrel bone
Frame, and bag is set to hold together the liner nylon cloth that the mandrel extends respectively to disk steel plate top both sides through the flexible arm.
Flap position instruction device is set on the valve deck.
The beneficial effects of the utility model are:Compared with the prior art, the utility model is additionally arranged anti-flap closing device, solution
The anti-flap closed-ended question determined when startup pump, backwash, discharge line and the reflux of system testing needs, improves oblique valve and stops
The function of valve is returned, meets field application needs;In addition, it is that band skeleton vulcanizes rubber integral piece, inside lining dress disk to tilt flap
Steel plate frame, cylindrical steel mandrel skeleton and nylon cloth, structural strength is high, and freely, the service life is up to 1,000,000 times for bending.
Description of the drawings
Fig. 1 is the structure diagram under the utility model inclination flap closure state;
Fig. 2 is the structure diagram under the utility model inclination flap opening state;
Fig. 3 is the structure diagram of anti-flap closing device;
Fig. 4 is the structure diagram of push rod guide sleeve in Fig. 3;
Fig. 5 is the structure diagram of push rod in Fig. 3;
Fig. 6 is the structure diagram for tilting flap;
Fig. 7 is the right view of Fig. 6.
In figure:1 valve body, 11 fluid inlets, 12 fluid outlets, 2 valve decks, 21 grooves, 3 valve deck perforates, 4 inclination flaps, 41
Flap main body, 42 flexible arm, 43 propeller boss, 44 cylindrical steel mandrel skeletons, 45 liner nylon cloths, 46 disk steel plate frames, 47 bags
Glue-line, 48 rubber circular bosses, 5 valve seats.
The anti-flap closing devices of A, 1a handles, 2a push rods, 3a locking nuts, 4a guide sleeves.
B flap position instruction devices, 1b indicator boards, 2b bars, 3b springs, 4b sealing covers.
The utility model is described in detail below in conjunction with drawings and examples.
Specific embodiment
Fig. 1-7 shows a kind of oblique valve check-valves of the anti-flap closing device of band and its component, the structure diagram of part, figure
Middle arrow is fluid flow direction.As shown in the figure, the oblique valve check-valves is respectively equipped with fluid inlet 11 including both ends, fluid goes out
Mouth 12, top are equipped with the tubular valve body 1 of middle mouth 13, the valve deck 2 on middle mouth, fluid inlet side and valve in the valve body
The valve seat 5 of body center line setting at 45 °, the inclination flap 4 being connected with valve seat folding.The inclination flap 4 is by flap main body
41 and its band skeleton vulcanization rubber integral piece that forms of sequentially connected flexible arm 42 and propeller boss 43, the propeller boss 43 for tilting flap 4 it is embedding
In the groove 21 of fluid inlet side valve lid 2 Yu 1 joint of valve body.
The utility model is characterized in that being additionally arranged at the bottom of anti-flap closing device A, the anti-flap closure in the valve body 1
Device A is by being equipped with the push rod 2a of handle 1a, suit push rod 2a guides it into the push rod guide sleeve 4a of valve body 1 and locks push rod
Locking nut 3a is formed, and flap 4 is tilted under the promotion support of push rod 2a, in opening state.
As in Figure 3-5, the push rod 2a is arranged with push rod external thread section 21a, rest part close to its handle 1a ends
For polished rod;The push rod guide sleeve 4a sets up separately its inside to put close to handle end to be led with the push rod of 21a sections of cooperations of push rod external screw thread
Enter thread segment 41a, rest part is the unthreaded hole with push rod polished rod clearance fit;The locking nut 3a is sleeved on push rod external screw thread
On section 21a.It is corresponding and be vertically arranged valve with inclination flap surface that 4 lower end of flap is tilted in 1 bottom of valve body and closure state
Body screw thread guide hole 14, the external screw thread coordinated with valve body screw thread guide hole 14 that the push rod guide sleeve 4a is set by its outer middle side part
Section 21a is threaded in valve body screw thread guide hole 14.The push rod 2a's pushes away valve end as spherical shape.
Referring to Fig. 6-7, the utility model is further characterized in that the 41 inside lining filling disk of flap main body in the inclination flap 4
Steel plate frame 46 ensures flap intensity, is encapsulated layer 41 outside steel plate frame;In 43 inside lining filling cylinder steel mandrel bone of propeller boss
Frame 44 increases intensity, it is ensured that indeformable during inclination flap opening, closing movement fruit to walk;And bag is set to hold together the mandrel
44 extend respectively to the liner nylon cloth 45 of 46 top both sides of disk steel plate through the flexible arm 42, and liner nylon cloth equally plays increasing
The effect of reinforcement degree.Rubber circular bosses 48 are additionally provided with tilting flap back side bottom, for /V, prevent from tilting flap unlatching
When with valve body collide, cause wear damage.Ring week raised semi-circular section sealing ring 49 is equipped with tilting valve clack sealing surface, it is ensured that close
Sealing property.Entire valve flap structure is that band skeleton vulcanizes rubber integral piece.During installation, the fixation of propeller boss 43 is inlaid in fluid inlet side valve
Lid 2 is in the groove 21 of 1 joint of valve body, after startup, tilting flap and being swung with 42 folding of rubber flexible arm.
In the present embodiment, flap position instruction device is set on the valve deck.Flap position instruction device employs patent
Number for ZL200720194273.X【Check-valves】Flap position instruction device in patent.As shown in Figs. 1-2, flap position refers to
Showing device B is mounted on 3 top of valve deck perforate, main to include instruction component, as the band Kai in figure closes character (O open C
Close) the instruction stent of indicator board 1b, the bar assembly of the contact flap equipped with the bar 2b with tilting 4 position follower of flap, sealing
Be connected to valve deck perforate 3 sealing cover 4b and holding rod 2b recline tilt flap spring 3b.As seen from the figure, when inclining
When oblique flap 4 is closed, the bar 2b through sealing cover 4b keeps lower end to recline tilting flap 4 by spring 3b, and the upper end is stretched from valve body 1
Go out to indicator board 1b " C close " position upper end, tilting flap 4 with display is closed.When there is fluid to flow through, tilt
Flap 4 is raised towards valve deck 2, and the lower end rise for the bar 2b for tilting flap 4 that makes to recline, the upper end is diverted to the " O of indicator board 1b
Open " positions upper end, display tilt flap 4 and are in opening state.Further, the electric signal dress of instruction flap position can be also installed
It puts, signal can be fed back to control room.
The above is only the preferred embodiment of the utility model, not to the structure and shape of the utility model
Make limitation in any form, it is every any simply to be repaiied to what above example was made according to the technical essence of the utility model
Change, equivalent variations and modification, in the range of still falling within technical solutions of the utility model.
Claims (7)
1. a kind of oblique valve check-valves of the anti-flap closing device of band, the oblique valve check-valves including both ends be respectively equipped with fluid into
The tubular valve body of mouth, fluid outlet, top equipped with middle mouth, the valve deck on middle mouth, the fluid inlet side in the valve body
With the valve seat of valve body center line setting at 45 °, the inclination flap being connected with valve seat folding, the inclination flap is by flap main body
And its band skeleton vulcanization rubber integral piece that sequentially connected flexible arm and propeller boss are formed, tilt flap propeller boss be inlaid in fluid into
In mouth side valve lid and the groove of valve body joint;It is characterized in that anti-flap closing device is added in the body base, it is described
Anti- flap closing device is by being equipped with the push rod of handle, suit push rod guides it into the push rod guide sleeve of valve body and locks push rod
Locking nut is formed, and flap is tilted under the promotion support of push rod, in opening state.
A kind of 2. oblique valve check-valves of the anti-flap closing device of band according to claim 1, it is characterised in that the push rod
Push rod external thread section is arranged with close to its handle end, rest part is polished rod;Its inside of the push rod guide sleeve is close to handle
End sets up separately to put imports thread segment with the push rod of push rod external thread section cooperation, and rest part is the light with push rod polished rod clearance fit
Hole;The locking nut is sleeved on push rod external thread section;It is corresponding with closure state inclination flap lower end in the body base
And be vertically arranged valve body screw thread guide hole with tilting flap surface, the push rod guide sleeve set by its outer middle side part with it is described
The external thread section of valve body screw thread guide hole cooperation is threaded in valve body screw thread guide hole.
A kind of 3. oblique valve check-valves of the anti-flap closing device of band according to claim 2, it is characterised in that the push rod
Push away valve end for spherical shape.
4. the oblique valve check-valves of the anti-flap closing device of a kind of band according to claim 3, it is characterised in that incline described
The flap main body inside lining filling disk steel plate frame of oblique flap, in propeller boss inside lining filling cylinder steel mandrel skeleton, and sets bag to hold together
The mandrel extends respectively to the liner nylon cloth of disk steel plate top both sides through the flexible arm.
5. the oblique valve check-valves of the anti-flap closing device of a kind of band according to claim 1 or 2, it is characterised in that described
The flap main body inside lining filling disk steel plate frame of flap is tilted, in propeller boss inside lining filling cylinder steel mandrel skeleton, and bag is set
Hold together the liner nylon cloth that the mandrel extends respectively to disk steel plate top both sides through the flexible arm.
6. the oblique valve check-valves of the anti-flap closing device of a kind of band according to claim 4, it is characterised in that in the valve
It covers and flap position instruction device is set.
7. the oblique valve check-valves of the anti-flap closing device of a kind of band according to claim 1,2 or 3, it is characterised in that in institute
State setting flap position instruction device on valve deck.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201721411577.7U CN207454843U (en) | 2017-10-30 | 2017-10-30 | A kind of oblique valve check-valves of the anti-flap closing device of band |
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CN201721411577.7U CN207454843U (en) | 2017-10-30 | 2017-10-30 | A kind of oblique valve check-valves of the anti-flap closing device of band |
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CN207454843U true CN207454843U (en) | 2018-06-05 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108980444A (en) * | 2018-08-30 | 2018-12-11 | 河南航天液压气动技术有限公司 | Rotating solenoid valve |
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2017
- 2017-10-30 CN CN201721411577.7U patent/CN207454843U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108980444A (en) * | 2018-08-30 | 2018-12-11 | 河南航天液压气动技术有限公司 | Rotating solenoid valve |
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