CN207195757U

CN207195757U - A kind of swing check valve with collection fluid media (medium) function

Info

Publication number: CN207195757U
Application number: CN201721176749.7U
Authority: CN
Inventors: 卢文标
Original assignee: YONGJIA VCEN VALVE CO Ltd
Current assignee: YONGJIA VCEN VALVE CO Ltd
Priority date: 2017-09-14
Filing date: 2017-09-14
Publication date: 2018-04-06
Anticipated expiration: 2027-09-14

Abstract

It the utility model is related to a kind of swing check valve with collection fluid media (medium) function, including valve body, bonnet, valve seat, flap, rotating shaft, runner is provided with valve body, runner includes incoming runner and goes to flow runner, incoming runner and go flow runner between be provided with river conjunction, rotating shaft one end is articulated with valve body, the other end is set with flap linkage, valve seat is provided with river conjunction, bonnet coordinates with valve body in sealing, valve body is additionally provided with closing organ and collecting mechanism, closing organ includes valve rod, valve element and actuator, valve rod lower end is arranged at valve element, upper end is connected with actuator, valve element side wall is provided with promotion face, coordinating block is provided with rotating shaft, collecting mechanism includes collection valve and collecting tray, collecting tray is arranged at stream runner bottom, collection valve is arranged at valve outer wall, and it is connected with collecting tray.Using such scheme, there is provided one kind carries out active closing when runner is under opening, a kind of swing check valve with collection fluid media (medium) function being acquired so as to fluid medium.

Description

A kind of swing check valve with collection fluid media (medium) function

Technical field

It the utility model is related to a kind of check-valves, in particular to a kind of swing type non-return with collection fluid media (medium) function Valve.

Background technology

Check-valves refers to flow in itself by fluid media (medium) and automatic open and close flap, for preventing the valve of medium refluence. It can be divided into lift check valve, swing check valve and butterfly swing check valve by structure.

Traditional swing check valve includes valve body, bonnet, valve seat, flap, rotating shaft, and runner, runner are provided with valve body Including incoming runner and go flow runner, incoming runner and go flow runner between be provided with river conjunction, rotating shaft one end is articulated with valve body, The other end is set with flap linkage, and rotating shaft is along incoming runner to when going to flow the rotation of runner direction, and flap is away from river conjunction, rotating shaft edge Go to flow runner to incoming runner direction rotates when, flap rotates towards river conjunction, is provided with river conjunction and flap sealing cooperation Valve seat, bonnet is arranged above fluid, and is coordinated with valve body in sealing.

Traditional swing check valve only possesses the function of one-way flow, i.e., the feelings entered in fluid media (medium) from incoming runner Under condition, runner is in the state of the unlatching of continuation, can not close, therefore fluid media (medium) in runner can not be acquired, if Gather by force, because fluid media (medium) is in high pressure conditions in runner, injection situation will be produced.

The content of the invention

In view of the deficienciess of the prior art, the purpose of this utility model is that provide one kind is in opening in runner When lower, active closing is carried out, so as to a kind of rotation with collection fluid media (medium) function being acquired to fluid media (medium) in runner Opening formula check-valves.

To achieve the above object, the utility model provides following technical scheme：Including valve body, bonnet, valve seat, flap, Rotating shaft, is provided with runner in valve body, and runner includes incoming runner and going and flows runner, and incoming runner and going is provided between flowing runner River conjunction, rotating shaft one end are articulated with valve body, and the other end is set with flap linkage, and rotating shaft turns along incoming runner to going to flow runner direction When dynamic, flap away from river conjunction, rotating shaft along go to flow runner to incoming runner direction rotates when, flap rotates towards river conjunction, friendship Intraoral be provided with of converging seals the valve seat coordinated with flap, and bonnet is arranged above fluid, and with valve body in sealing cooperation, its feature It is：The collecting mechanism that described valve body is additionally provided with the closing organ for actively closing runner and fluid medium is acquired, Described closing organ includes the actuator that valve rod, valve element and driving stem move up and down, and the linkage of described valve rod lower end is set In valve element, bonnet is run through in upper end, and is connected with actuator, and described valve element side wall, which is provided with, resets flap towards river conjunction end Promotion face, the coordinating block for receiving to carry out self-propelled face active force is provided with described rotating shaft, described collecting mechanism includes adopting Collect valve and collecting tray, described collecting tray is arranged at stream runner bottom, and is arranged at valve body to lower recess, described collection valve Outer wall, and be connected with collecting tray.

By using above-mentioned technical proposal, in valve body incoming runner and go flow runner setting, fluid media (medium) can be passed through Incoming runner enters, and enters river conjunction along incoming runner, the fluid media impingement flap at river conjunction, makes flap and rotating shaft Synchronous to be rotated towards away from river conjunction, so that incoming runner and Qu Liu runners UNICOM, fluid media (medium), which enters, removes to flow runner, and from going Stream runner leaves valve body, completes transmission；If fluid media (medium) can impact flap at river conjunction, make valve from going stream runner to enter Valve and rotating shaft are mutually butted on river conjunction towards river conjunction synchronous axial system, so as to separate incoming runner and go to flow the connection between runner It is logical, make fluid media (medium) can not complete to transmit, play non-return effect, in addition, the setting of closing organ, valve is made by actuator Bar moves up and down, and final valve rod band movable valve plug is synchronized with the movement, when valve rod moves down, promotion face and coordinating block phase on valve element Support, flap is rotated towards river conjunction direction, and flap is coordinated with the valve seat on river conjunction in sealing, so as to close stream Road, when valve rod moves upward, valve element makes flap open and close runner according to direction of flow, the setting of collecting mechanism, led to away from flap Collecting tray fluid medium is crossed to be converged, can be by gathering valve by the fluid media (medium) in runner for the fluid media (medium) of convergence Transmit to the external world.It the advantage is that, why traditional check-valves can not be acquired to the fluid in runner, be because flowing When road is in opening, fluid media (medium) is in high-pressure flow state, carries out fluid media (medium) output according to collection valve, fluid is situated between Matter will be because pressure reason will produce jet phenomenon, the i.e. too high unmanageable output of pressure difference, and the utility model is first using closing Mechanism, by actuator, valve element is promoted flap, flap is rotated towards river conjunction, river conjunction is finally closed, will locate so as to realize Manual control closing is carried out in the runner of unlatching, and after manual control closing, opens collection valve, makes the fluid in collecting tray Flowed out by gathering valve, now, because river conjunction is closed, therefore high-pressure fluid medium is in incoming runner, and Collecting tray, which is in, to be gone to flow in runner, therefore when gathering valve opening, fluid media (medium) slowly flows out, and will not produce jet phenomenon, make Collection is more safe, after having gathered closing collection valve, valve element can be climbed away into flap again through actuator, make flap Reopen and be transmitted, in addition, according to the effect of gravity, collecting tray is arranged at stream runner bottom, and is in concave shape, Medium fluid is set to be more prone to converge.

The utility model is further arranged to：Described flap pushes away when sealing cooperation with river conjunction in the presence of valve element Dynamic face is bonded completely with coordinating block.

By using above-mentioned technical proposal, flap with river conjunction in the presence of valve element when being fully sealed cooperation, at runner In closed mode, now the pressure in incoming runner, which is far above, goes to flow runner, therefore the fluid media (medium) in incoming runner will be to valve Valve produces larger pressure, and caused pressure is required to the next self-propelled holding power in face of coordinating block and is supported, therefore pushes away Dynamic contact of the face with coordinating block is more abundant, and caused stress is smaller, and promotion face is pasted completely with coordinating block at runner closing Close, make to contact between the two the most fully, design is more reasonable.

The utility model is further arranged to：Described valve element is located at promotion face and is provided with sealing ring.

By using above-mentioned technical proposal, because valve element and rotating shaft are all metal material, the cooperation between metal material is held It is also easy to produce and largely hits, so as to destroy rotating shaft and valve element, and the setting of sealing ring, make the promotion face on valve element and rotating shaft On coordinating block can not directly contact, coordinate when generate elastic buffer power, protect valve element and rotating shaft.

The utility model is further arranged to：Described actuator includes handwheel and handwheel is installed on to the installation of bonnet Part, described installed part circumferentially rotates along rotating shaft is arranged at bonnet, and described handwheel is fixedly installed on installed part outer wall, described Installed part is provided with the through hole passed for valve rod, and internal thread is provided with through-hole wall, and described valve rod corresponds to internal thread setting There is external screw thread.

By using above-mentioned technical proposal, installed part synchronous axial system is driven by rotating handwheel, due to installed part through-hole wall The setting of upper internal thread, when making hand wheel rotating, moved up and down vertically with externally threaded valve rod is matched.It the advantage is that, pass The handwheel of system is with valve rod in being fixedly connected, and valve rod with bonnet screw thread by coordinating to lift, but the cooperation of valve rod and bonnet exists When valve rod lifts, valve rod can produce the phenomenon rotated in lifting, and the rotation of valve rod will make promotion face with movable valve plug synchronous axial system Relatively rotated with coordinating block and produce frictional force, so as to wear valve element and rotating shaft, the setting of installed part installs hand wheel rotating Part, valve rod is coordinated by screw thread to be moved up and down, will not with installed part synchronous axial system, therefore valve element will not with respect to axis of rotation, So as to protect valve element and rotating shaft.

The utility model is further arranged to：Ball bearing is provided between described bonnet and installed part.

By using above-mentioned technical proposal, because installed part needs to rotate relative to bonnet, and installed part is installed on bonnet, Therefore bonnet easily produces abrasion with installed part because of rotation, the setting of ball bearing, installed part is led to bonnet when rotating Cross ball bearing to be supported, so as to reduce abrasion.

The utility model is further arranged to：It is provided between described bonnet and valve body and is fixedly connected with mechanism, it is described Be fixedly connected with mechanism includes buffer gear, elastic seal ring and bolt, described buffer gear successively along runner towards extraneous direction Including buffer stopper and dashpot, described buffer stopper is arranged at bonnet and is arranged at valve body towards valve body end, described dashpot, and It is adapted with buffer stopper shape size position, the extruding of described elastic seal ring is arranged between bonnet and valve body, described spiral shell Bolt is fixedly connected with valve body and bonnet.

By using above-mentioned technical proposal, the setting of mechanism is fixedly connected with, valve body is coordinated with valve bonnet seal, prevents fluid Medium between valve body, bonnet gap leakage, wherein be fixedly connected mechanism be divided into dashpot and buffer stopper cooperation, elasticity it is close Seal and bolt, elastic seal ring play main sealing function, and it makes valve body and bonnet closely connect under the cooperation of bolt It is connected together, and by elastic seal ring by gap filling between the two, and the effect of dashpot and buffer stopper is then protection Elastic seal ring is not washed away by fluid, so as to protect elastic seal ring, is extended the service life of elastic seal ring, Its principle is that traditional elastic seal ring and bolt coordinate, and elastic seal ring is direct and flow passage, therefore fluid media (medium) exists It is continual under runner opening that elastic seal ring is impacted, and the utility model fluid media impingement elastic packing Circle has to pass through dashpot and buffer stopper, therefore fluid irises out the energy for having lost the overwhelming majority, nothing in arrival elastic packing Method causes intense impact to elastic seal ring.

The utility model is further described with reference to the accompanying drawings and detailed description.

Brief description of the drawings

Fig. 1 is the installation diagram of the utility model embodiment；

Fig. 2 is the enlarged drawing of A in Fig. 1；

Fig. 3 is the enlarged drawing of B in Fig. 1.

Embodiment

It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer Type is described in further detail.

As shown in Figure 1-Figure 3, the utility model discloses it is a kind of have collection fluid media (medium) function swing check valve, Including valve body 1, bonnet 2, valve seat 1131, flap 3, rotating shaft 4, runner 11 is provided with valve body 1, runner 11 includes incoming runner 111 and remove to flow runner 112, incoming runner 111 and going is provided with river conjunction 113 between flowing runner 112, one end of rotating shaft 4 be hinged 41 In valve body 1, the other end is bolted with flap 3, rotating shaft 4 along incoming runner 111 to go to flow runner 112 direction rotate when, Flap 3 away from river conjunction 113, rotating shaft 4 along go to flow runner 112 to the direction of incoming runner 111 rotate when, flap 3 is towards river conjunction 113 rotate, and the valve seat 1131 coordinated with the sealing of flap 3 are provided with river conjunction 113, bonnet 2 is arranged above fluid, and and valve Body 1 coordinates in sealing.In valve body 1 incoming runner 111 and go flow runner 112 setting, fluid media (medium) can be made to pass through incoming runner 111 enter, and enter river conjunction 113 along incoming runner 111, the fluid media impingement flap 3 at river conjunction 113, make flap 3 Synchronous with rotating shaft 4 to be rotated towards away from river conjunction 113, so that incoming runner 111 flows the UNICOM of runner 112 with going, fluid media (medium) enters Enter stream runner 112, and from going stream runner 112 to leave valve body 1, complete transmission；If fluid media (medium) from go flow runner 112 enter, Flap 3 can be then impacted at river conjunction 113, makes flap 3 with rotating shaft 4 towards the synchronous axial system of river conjunction 113, and be mutually butted on river conjunction 113, so as to separate incoming runner 111 and go to flow the UNICOM between runner 112, make fluid media (medium) can not complete to transmit, play Non-return effect.

In addition, the present embodiment valve body 1 is additionally provided with the closing organ 12 for actively closing runner 11 and fluid medium is carried out The collecting mechanism 13 of collection, closing organ 12 include the actuator that valve rod 121, valve element 122 and driving stem 121 move up and down 123, the lower end of valve rod 121 is bolted to connection valve element 122, and bonnet 2 is run through in upper end, and is connected with actuator 123, valve rod It is provided with cut-off runner 11 and extraneous seal 21 between 121 and bonnet 2, the side wall of valve element 122 is provided with flap 3 towards friendship Converge the promotion face 1221 that mouth 113 end resets, the coordinating block 42 for receiving to carry out the self-propelled active force of face 1221 is provided with rotating shaft 4, is adopted Collecting mechanism 13 includes collection valve 131 and collecting tray 132, and collecting tray 132 is arranged at stream runner 112 bottom, and to lower recess, adopts Collection valve 131 is arranged at the outer wall of valve body 1, and is connected with collecting tray 132.The setting of closing organ 12, valve is made by actuator 123 Bar 121 moves up and down, and final valve rod 121 is synchronized with the movement with movable valve plug 122, when valve rod 121 moves down, on valve element 122 Promotion face 1221 offsets with coordinating block 42, flap 3 is rotated towards the direction of river conjunction 113, and finally make flap 3 and river conjunction 113 On valve seat 1131 in sealing coordinate, so as to close runner 11, when valve rod 121 moves upward, valve element 122 makes away from flap 3 Flap 3 opens and closes runner 11 according to direction of flow, the setting of collecting mechanism 13, is converged by the fluid medium of collecting tray 132, For the fluid media (medium) of convergence, the transmission of fluid medium in runner 11 can be transported into the external world by gathering valve 131.

Preferably, the present embodiment flap 3 promotes face 1221 when sealing cooperation with river conjunction 113 in the presence of valve element 122 It is bonded completely with coordinating block 42.When cooperation is fully sealed with river conjunction 113 in the presence of valve element 122, runner 11 is in flap 3 Closed mode, now the pressure in incoming runner 111, which is far above, goes to flow runner 112, therefore the fluid media (medium) in incoming runner 111 Larger pressure will be produced to flap 3, and caused pressure is required to next self-propelled face 1221 and the holding power of coordinating block 42 is entered Row is supported, therefore the promotion contact with coordinating block 42 of face 1221 is more abundant, and caused stress is smaller, and makes at the closing of runner 11 Promotion face 1221 is bonded completely with coordinating block 42, is made to contact between the two the most fully, design is more reasonable.

Preferably, the present embodiment valve element 122 is located at promotion face 1221 and is provided with sealing ring 1222.Sealing ring 1222 is set Put, the promotion face 1221 on valve element 122 can not be directly contacted with the coordinating block 42 in rotating shaft 4, elasticity is generated when coordinating Cushion effect, protect valve element 122 and rotating shaft 4.

Mechanism 5 is fixedly connected with addition, being provided between the present embodiment bonnet 2 and valve body 1, is fixedly connected with mechanism 5 along runner 11 include buffer gear 51, elastic seal ring 52 and bolt 53 successively towards extraneous direction, buffer gear 51 include buffer stopper 512 and Dashpot 511, buffer stopper 512 are arranged at bonnet 2 towards the end of valve body 1, and dashpot 511 is arranged at valve body 1, and with buffer stopper 512 Shape size position is adapted, and the extruding of elastic seal ring 52 is arranged between bonnet 2 and valve body 1, and bolt 53 is fixedly connected with valve body 1 And bonnet 2.The setting of mechanism 5 is fixedly connected with, valve body 1 is sealed with bonnet 2 and coordinates, prevent fluid media (medium) from valve body 1, bonnet 2 Between gap leakage, elastic seal ring 52 plays main sealing function, and it makes valve body 1 and valve under the cooperation of bolt 53 Lid 2 closely links together, and by elastic seal ring 52 by gap filling between the two, and dashpot 511 and buffering The effect of block 512 is then to protect elastic seal ring 52 not washed away by fluid, so as to protect elastic seal ring 52, makes elasticity close The service life of seal 52 is extended.

In addition, the present embodiment actuator 123 includes handwheel 1231 and handwheel 1231 is installed on to the installed part of bonnet 2 1232, installed part 1232 circumferentially rotates along rotating shaft 4 is arranged at bonnet 2, and handwheel 1231 is fixedly installed on the outer wall of installed part 1232, peace Piece installing 1232 is provided with the through hole 12321 passed for valve rod 121, and is provided with internal thread 12322, valve rod on the wall of through hole 12321 121 corresponding internal threads 12322 are provided with external screw thread 1211.The synchronous axial system of installed part 1232 is driven by rotating handwheel 1231, by In the setting of internal thread 12322 on the wall of 1232 through hole of installed part 12321, when making the rotation of handwheel 1231, with pairing external screw thread 1211 valve rod 121 only moves up and down vertically.

Preferably, ball bearing 22 is provided between the present embodiment bonnet 2 and installed part 1232.

Claims

1. a kind of swing check valve with collection fluid media (medium) function, including valve body, bonnet, valve seat, flap, rotating shaft, valve It is provided with runner in vivo, runner includes incoming runner and going and flows runner, and incoming runner and going is provided with river conjunction between flowing runner, Rotating shaft one end is articulated with valve body, and the other end is set with flap linkage, rotating shaft along incoming runner to go to flow runner direction rotate when, valve Valve away from river conjunction, rotating shaft along go to flow runner to incoming runner direction rotates when, flap is set in river conjunction towards river conjunction rotation The valve seat coordinated with flap sealing is equipped with, bonnet is arranged above fluid, and is coordinated with valve body in sealing, it is characterised in that：Institute The collecting mechanism that the valve body stated is additionally provided with the closing organ for actively closing runner and fluid medium is acquired, described pass Closing mechanism includes the actuator that valve rod, valve element and driving stem move up and down, and the linkage of described valve rod lower end is arranged at valve element, on Bonnet is run through at end, and is connected with actuator, and described valve element side wall is provided with the promotion face for resetting flap towards river conjunction end, The coordinating block to be offseted with promotion face is provided with described rotating shaft, described collecting mechanism includes collection valve and collecting tray, described Collecting tray be arranged at stream runner bottom, and to lower recess, described collection valve is arranged at valve outer wall, and with collecting tray phase Connection.

A kind of 2. swing check valve with collection fluid media (medium) function according to claim 1, it is characterised in that：Institute When sealing cooperation with river conjunction in the presence of valve element, promotion face is bonded the flap stated completely with coordinating block.

A kind of 3. swing check valve with collection fluid media (medium) function according to claim 1, it is characterised in that：Institute The valve element stated is located at promotion face and is provided with sealing ring.

A kind of 4. swing check valve with collection fluid media (medium) function according to claim 1, it is characterised in that：Institute The actuator stated includes handwheel and handwheel is installed on to the installed part of bonnet, and described installed part circumferentially rotates along rotating shaft to be arranged at Bonnet, described handwheel are fixedly installed on installed part outer wall, and described installed part is provided with the through hole passed for valve rod, and through hole Internal thread is provided with wall, described valve rod corresponds to internal thread and is provided with external screw thread.

A kind of 5. swing check valve with collection fluid media (medium) function according to claim 4, it is characterised in that：Institute Ball bearing is provided between the bonnet and installed part stated.

A kind of 6. swing check valve with collection fluid media (medium) function according to claim 1, it is characterised in that：Institute It is provided between the bonnet stated and valve body and is fixedly connected with mechanism, the described mechanism that is fixedly connected is wrapped successively along runner towards extraneous direction Buffer gear, elastic seal ring and bolt are included, described buffer gear includes buffer stopper and dashpot, and described buffer stopper is set In bonnet towards valve body end, described dashpot is arranged at valve body, and is adapted with buffer stopper shape size position, described bullet Property sealing ring extruding be arranged between bonnet and valve body, described bolt is fixedly connected with valve body and bonnet.