CN206310042U - sewage exhaust valve and sewage drainage system - Google Patents

Abstract

The utility model provides a kind of sewage exhaust valve and sewage drainage system, is related to valve field, including exhaust apparatus and hollow valve body.One end of valve body is arrival end, the other end of valve body is exhaust end, exhaust apparatus is arranged at exhaust end, exhaust apparatus has the first state for making valve body be in communication with the outside and the second state for closing valve body, braking section, the area of section of the area of section more than the inner surface of arrival end of the inner surface of braking section are provided between arrival end and exhaust end.Because the inner surface area of section of valve body is the big small braking section of arrival end, so sewage reduces flow velocity into meeting after valve body due to the increase of inner surface area of section, sewage is set not go out valve body from exhaust end and pollute.

Description

Sewage exhaust valve and sewage drainage system

Technical field

The utility model relates generally to valve field, in particular to a kind of sewage exhaust valve and sewage drainage system.

Background technology

In industrial and civilian water treatment procedure, in order to ensure the operating efficiency of water quality and water pump, it usually needs use row Air valve carries out emission treatment to the air assembled in pipe network, pipeline or other semi-hermetic type equipment with pressure.

But during air is discharged, by reason of heavy pressure, and flow velocity is fast, be easily caused general air bleeding valve leak or Person's sewage is gone out from the gas outlet of air bleeding valve.To prevent air bleeding valve leak, generally air bleeding valve is made it is very long, but can not be effective Reduction sewage speed, and because volume is big when installation at the scene, being easily subject to install landform is influenceed, and causes to pacify Dress inconvenience, will also result in installation imprecision influences to be vented valve action and service life on the contrary.

Utility model content

The utility model provides a kind of sewage exhaust valve and sewage drainage system, above-mentioned problem is effectively changed It is kind.

What the utility model was realized in：

Embodiment of the present utility model provides a kind of sewage exhaust valve, including exhaust apparatus and hollow valve body.Valve body One end be arrival end, the other end of valve body is exhaust end, and exhaust apparatus is arranged at exhaust end, exhaust apparatus have make valve body with The first state of external world's connection and the second state for closing valve body.Braking section is provided between arrival end and exhaust end, is subtracted Area of section of the area of section of the inner surface of fast section more than the inner surface of arrival end.

Optionally, above-mentioned braking section includes transition and isometrical section, and one end of transition is connected with isometrical section, transition The other end is connected with arrival end, and the area of the inner surface of transition becomes larger from arrival end to isometrical section of one end being connected.

Optionally, above-mentioned exhaust apparatus includes exhaust part and the block piece for reducing flow rate of water flow, and block piece is movable Be arranged in valve body, block piece is connected by guide rod with exhaust part, one end away from exhaust part of block piece and arrival end phase It is adjacent and be oppositely arranged.

Optionally, at least three flaps are provided with above-mentioned valve body, flap is along the circumferentially distributed of block piece, one end of flap It is fixedly connected with the inwall of valve body, the other end of flap is formed for accommodating stop near block piece between at least three flaps The active tunnel of part.

Optionally, above-mentioned block piece is hollow cylinder type ball float.

Optionally, above-mentioned exhaust part includes aiutage, and aiutage is inserted in valve body from exhaust end, and one end of aiutage is tune Section portion, the other end is exhaust outlet, and block piece can be slided along the inwall of aiutage.

Optionally, above-mentioned exhaust outlet is fixedly installed guide pipe, and, along the axially arranged of aiutage, guide rod is slidably for guide pipe Through guide pipe, one end away from block piece of guide rod is provided with limiting section, and limiting section is fixedly connected with guide rod, limiting section Internal diameter of the width more than guide pipe.

Optionally, anticollision pad is provided between above-mentioned limiting section and guide pipe, anticollision pad is sheathed on guide rod.

Optionally, above-mentioned exhaust apparatus is additionally provided with closure and the bonnet with opening, and bonnet is covered in exhaust outlet, close Capping includes closure and connecting rod, and connecting rod is slidably connected with bonnet, and closure is located between bonnet and guide pipe, row For closure props up bonnet and closes valve body, the second state of exhaust apparatus is closure disengaging valve to the first state of device of air Body simultaneously makes valve body be in communication with the outside.

The utility model additionally provides a kind of sewage drainage system, including sewage conduct and above-mentioned sewage exhaust valve.

Compared with prior art, the beneficial effects of the utility model are：Because the inner surface area of section of valve body is entrance Hold small braking section big, so sewage reduces flow velocity into meeting after valve body due to the increase of inner surface area of section, make sewage Valve body will not being gone out from exhaust end and being polluted, environmental protection, and low cost of manufacture, market potential is huge.

Brief description of the drawings

In order to illustrate more clearly of the technical scheme of the utility model implementation method, below will be to being wanted needed for implementation method The accompanying drawing for using is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore not The restriction to scope is should be considered as, for those of ordinary skill in the art, on the premise of not paying creative work, Other related accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the structural representation of the sewage exhaust valve that the utility model embodiment 1 is provided；

Fig. 2 is the structural representation of the valve body of Fig. 1；

Fig. 3 is the valve inner structural representation of Fig. 1；

Fig. 4 is that the sewage exhaust valve of Fig. 1 flies the structural representation at another visual angle；

Fig. 5 is the structural representation of the V-V sections of Fig. 4.

Icon：100- sewage exhaust valves；10- valve bodies；11- arrival ends；12- exhaust ends；13- braking sections；131- transitions； Isometrical section of 132-；14- relief holes；15- flaps；20- exhaust apparatus；21- closures；211- lids；212- connecting rods；22- valves Lid；221- passages；23- exhaust parts；231- aiutages；24- block pieces；25- guide rods；251- limiting sections；26- outer tubes； 261- guide pipes.

Specific embodiment

It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer Accompanying drawing in type embodiment, is clearly and completely described, it is clear that retouched to the technical scheme in the utility model embodiment The embodiment stated is a part of embodiment of the utility model, rather than whole embodiments.Generally described in accompanying drawing herein and The component of the utility model embodiment for showing can be arranged and designed with a variety of configurations.

Therefore, the detailed description of embodiment of the present utility model below to providing in the accompanying drawings is not intended to limit requirement The scope of the present utility model of protection, but it is merely representative of selected embodiment of the present utility model.Based in the utility model Embodiment, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, all Belong to the scope of the utility model protection.

It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi It is defined in individual accompanying drawing, then it need not be further defined and explained in subsequent accompanying drawing.

, it is necessary to explanation in description of the present utility model, term " on ", D score, " interior ", " outward ", " bottom " etc. indicate Orientation or position relationship be that, based on orientation shown in the drawings or position relationship, or the utility model product is usual when using The orientation or position relationship put, are for only for ease of and describe the utility model and simplify to describe, rather than instruction or hint institute The device or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality With new limitation additionally, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that indicating or implying relative Importance.

In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets Put ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning of the language in the utility model.

Embodiment 1

Refer to shown in Fig. 1, embodiment of the present utility model provides a kind of sewage exhaust valve 100 includes valve body 10 and row Device of air 20, valve body 10 is hollow structure, and valve body 10 is removably connected with exhaust apparatus 20.

Refer to shown in Fig. 2, one end of valve body 10 is arrival end 11, and the other end of valve body 10 is exhaust end 12, and sewage is taken Band bubble enters valve body 10 from arrival end 11, is processed by the gas collection of exhaust apparatus 20 and deflation, by the air in sewage from row The exits valve body 10 of gas end 12, so circulates repeated action, reduces the pipe pressure of sewage conduct.

Be provided with braking section 13 between arrival end 11 and exhaust end 12, the area of section of the inner surface of braking section 13 be more than into The area of section of the inner surface at mouth end 11.Braking section 13 include transition 131 and isometrical section 132, one end of transition 131 with etc. Footpath section 132 is connected, and the other end of transition 131 is connected with arrival end 11, and the area of the inner surface of transition 131 is from arrival end 11 Extremely become larger with isometrical section 132 one end being connected.

Braking section 13 can also be arranged to be all over transition 131, that is, braking section 13 is set into inner surface Area of section gradually increases from arrival end 11 to outlet side, and the area of section of the end of outlet side is then gradually reduced, and forms a kind of The structure of gas collection, prevents air from being revealed from elsewhere to cooperate with exhaust apparatus 20.

Refer to shown in Fig. 3, the bottom of valve body 10 is provided with relief hole 14, and the inwall of relief hole 14 has internal thread, use Relief hole 14 is blocked with externally threaded plug, when being blocked in sewage exhaust valve 100, can build-up of pressure mistake Greatly, or cannot pressure release situation, but dismantle whole sewage exhaust valve 100 very trouble, at this moment can be by relief hole 14 pairs of sewage exhaust valves 100 are processed.Concrete operations are that phase down sewage conduct unloads plug, treat that pressure is released dirty Water and residue in water air bleeding valve 100, are rinsed with clean water to it, until discharge tamper.

At least three flaps 15 are additionally provided with valve body 10, one end of flap 15 is fixedly connected with the inwall of valve body 10, valve The other end of valve 15 extends to the inside of valve body 10, and active tunnel is formed between flap 15 described at least three, and flap 15 is plate Shape structure, flap 15 can be fixedly connected, or be integrally formed with valve body 10 with the connection of valve body 10.

Refer to shown in Fig. 4, exhaust apparatus 20 is arranged at exhaust end 12, bolt is passed through between exhaust apparatus 20 and valve body 10 It is detachably connected.Exhaust apparatus 20 has makes the first state that valve body 10 is in communication with the outside and the second shape for closing valve body 10 State, first state and the second state with the pressure in water pipe change and enter valve body 10 in gas number change And mutual conversion.

Refer to shown in Fig. 5, exhaust apparatus 20 includes closure 21, bonnet 22, exhaust part 23 and for reducing current stream The block piece 24 of speed, block piece 24 is arranged in valve body 10, and block piece 24 can be movable in valve body 10, with water in valve body 10 Position rising and rise, decline and decline, block piece 24 is connected by guide rod 25 with exhaust part 23, block piece 24 away from exhaust One end of part 23 is adjacent with arrival end 11 and is oppositely arranged, and optionally, block piece 24 is hollow cylinder type ball float, preferably Be, the bottom width of ball float more than the inner surface of arrival end 11 cross-sectional width, because ball float is near arrival end 11, when sewage from When sewage conduct pours valve body 10, can be stopped by ball float bottom, and be produced recoil current, the current of the recoil can be to The current for pouring valve body 10 produce certain barrier force, and then are lowered into the flow velocity of the sewage of valve body 10.

Along the groove for being radially arranged multiple ring-types of ball float, the annular recess enables ball float as the reinforcement structure of ball float Enough bear certain hydraulic pressure.

Particularly, the bottom of ball float is arranged to the concave end to guide rod 25, and the depressed part is set into thickening layer, Due to the effect at the position of the depression, current are made to be backwashed again after the position polymerization of depression, because current are the current after polymerization, So its dynamics backwashed is larger, the flow velocity of the current that valve body 10 is poured from arrival end 11 can be substantially reduced.In addition, by Often contain the material of many mixing in sewage, particularly fix particle, the bottom of valve body 10 can be produced successive Impact, and comprising many materials with corrosiveness in sewage, so the bottom of ball float is arranged into thickening layer.

The centre of bonnet 22 offers passage 221, and bonnet 22 is covered on exhaust outlet, and bonnet 22 is by bolt and exhaust Part 23 is removably connected.The inside edge of exhaust part 23 is arranged to inside L-type, and the outer edge of bonnet 22 is arranged to and exhaust part The edge of 23 L-types being mutually matched, exhaust part 23 and bonnet 22 mutually agrees with the position of L-type, exhaust part 23 and bonnet 22 it Between be additionally provided with packing ring, packing ring makes the connection between exhaust part 23 and bonnet 22 more tight.

Closure 21 includes lid 211 and connecting rod 212, and at least two support bars, the one of support member are set on bonnet 22 End is fixedly connected with bonnet 22, and the other end extends to the axial centerline of bonnet 22, and in the axial location setting of bonnet 22 Through hole for being arranged connecting rod 212, through hole of the connecting rod 212 slidably with bonnet 22 is connected, and through hole has enough length Spend so that connecting rod 212 is moved along the axis direction of through hole, the motion of connecting rod 212 makes closure 21 along the path fortune of regulation It is dynamic.

Lid 211 is connected to one end away from bonnet 22 of connecting rod 212, and lid 211 is bowl structure, and lid 211 is opened Mouthful one end towards inside valve body 10, the side of close the valve body 10 of lid 211 is uniform arc, and lid 211 is in connecting rod Can be slided up and down along the axis direction of exhaust apparatus 20 in the presence of 212, when lid 211 props up the bottom of bonnet 22, row Device of air 20 is closed, and when lid 211 departs from bonnet 22, exhaust apparatus 20 is in open mode.

In order that the closed mode sealing effectiveness between closure 21 and bonnet 22 is more preferably, by bonnet 22 and closure 21 Corresponding side sets inclined plane, and the inclined plane is corresponding with the arcwall face of lid 211, the contact surface of lid 211 and bonnet 22 To be arranged on the inclined plane of the bottom of bonnet 22, due to the increase of contact surface, the sealing effectiveness between bonnet 22 and closure 21 is more It is good.

In the present embodiment, exhaust part 23 includes aiutage 231, and aiutage 231 is inserted in valve body 10 from exhaust end 12, arranges One end of inflator 231 is adjustment portion, and the other end is exhaust outlet, and regulator site is in the inside of valve body 10.The internal diameter of aiutage 231 is big In the area of section of the outer surface of block piece 24, block piece 24 can be slided up and down along the inside of aiutage 231.Here regulation It is arranged to inclined-plane on the inside of portion, contributes to block piece 24 to enter aiutage 231.

After block piece 24 enters aiutage 231, the device that aiutage 231 is oriented to as block piece 24, but work as valve When water level in body 10 is relatively low, block piece 24 apart from aiutage 231 farther out, when in valve body 10 water level rise make block piece 24 When rising, block piece 24 is not easily accessed aiutage 231.At least three above-mentioned flaps 15 can solve this problem, One end away from the inwall of valve body 10 of flap 15 is set near block piece 24, and at least three flaps 15 are along the axle of block piece 24 To setting, its active tunnel for being formed can make block piece 24 keep predetermined direction to move and be exactly into aiutage 231.

In the present embodiment, exhaust part 23 is fixedly installed outer tube 26, and the edge of outer tube 26 is turned-out, outer tube 26 Edge be fixedly connected between bonnet 22 and aiutage 231.The side wall of outer tube 26 is circumferentially arranged multiple for being vented With the through hole of air-breathing, the bottom of outer tube 26 is provided with multiple is used for the through holes of draining, and the water being externally entering can be from overcoat The through hole of the bottom of pipe 26 is flow to inside valve body 10, and the bottom centre position for being vented outer tube 26 is provided with guide pipe 261, guide pipe 261 along the axially arranged of aiutage 231；Be arranged on the side wall of outer tube 26 through hole be mainly used for it is a large amount of in exits valve body 10 Air, is also that, when water pump stops, in-pipe flow is empty or meets generation negative pressure, and now closure 21 is opened rapidly, is sucked from outside Air, reduces the negative pressure inside pipeline, it is ensured that the safety of pipeline.

Guide rod 25 inserts guide pipe 261, and is passed from the other end, and one end away from block piece 24 of guide rod 25 sets limited Position portion 251, limiting section 251 is fixedly connected with one end away from block piece 24 of guide rod 25, and the width of limiting section 251 is more than guiding The internal diameter of pipe 261.Guide rod 25 and the connection of block piece 24, enable guide rod 25 to guide the direction of motion of block piece 24, while resistance Block piece 24 is ball float, and ball float rises or decline in the presence of water, while guide rod 25 guides the direction of ball float raising and lowering Limited by guide pipe 261.

Anticollision pad is provided between limiting section 251 and guide pipe 261, anticollision pad is sheathed on guide rod 25, due to resistance Block piece 24 moves up and down frequency than larger, and the bottom of the limiting section 251 is unusual with the collision that the top of guide pipe 261 produces Frequently, in order to prevent from causing damage between limiting section 251 and guide pipe 261 during mutually collision, spy sets bumper Piece, anticollision pad is made of rubber or silica gel material, it would however also be possible to employ metal material is made, for example, steel etc..

In sum, the venting principleand of the sewage exhaust valve 100 is：

When water filling is started in pipeline, flap 15 is in the position opened, and is largely vented, when air is drained, valve Interior full of water, ball float rises and drives closure 21 to close, and stops exhaust.When water is normally conveyed in pipe, had in pipeline few The air of amount, when current pass through sewage exhaust valve 100, air can be assembled in valve body 10, when air pressure reaches one in valve body 10 When determining degree, water level is begun to decline in valve body 10, while ball float declines, now air is discharged by aperture.

Based on above-mentioned principle, this sewage exhaust valve 100 is improved valve body 10 and ball float, and current enter valve body 10 When can be first subjected to the stop of ball float, the current stopped by ball float form the current for backwashing, and the current that this backwashes are to Current into valve body 10 produce resistance, reduce the speed of the inflow valve body 10 of current.Valve body 10 is arranged to entrance section simultaneously The big structure of the small inner section area of area, makes the area of section of current constantly reduce after valve body 10 is entered, flow velocity also with Reduction.Two kinds of structures substantially reduce the water velocity into valve body 10, make the sewage will not be from the exhaust of sewage exhaust valve 100 Mouth overflows.

Certainly, this sewage exhaust valve 100 is not only installed on sewage drainage facility, can be also used for other drainage arrangements And in system.

Embodiment 2

The utility model additionally provides a kind of sewage drainage system, including the sewage exhaust in sewage conduct and embodiment 1 Valve 100.

Sewage exhaust valve 100 is installed at pump discharge or in sewage conduct, and the pump of sewage exhaust valve 100 or sewage conduct can The connection of dismounting, convenient maintenance and replacing.Sewage exhaust valve 100 is used for excluding the air that is accumulated in pipe, with improve pipeline and The service efficiency of water pump, protective conduit safety.

Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.It should be noted that Arrive：Similar label and letter represents similar terms in following accompanying drawing, therefore, once determined in a certain Xiang Yi accompanying drawing Justice, then need not further be defined and be explained in subsequent accompanying drawing to it.

The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, any one skilled in the art can readily occur in change in the technical scope that the utility model is disclosed Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power The protection domain that profit is required is defined.

Claims (10)

1. a kind of sewage exhaust valve, it is characterised in that including exhaust apparatus and hollow valve body, one end of the valve body is entrance End, the other end of the valve body is exhaust end, and the exhaust apparatus is arranged at the exhaust end, and the exhaust apparatus has makes institute State the first state that valve body is in communication with the outside and the second state for closing the valve body, the arrival end and the exhaust end Between be provided with braking section, the section face of the area of section more than the inner surface of the arrival end of the inner surface of the braking section Product.

2. sewage exhaust valve according to claim 1, it is characterised in that the braking section includes transition and isometrical section, One end of the transition is connected with described isometrical section, and the other end of the transition is connected with the arrival end, the gradual change The area of the inner surface of section becomes larger from the arrival end to described isometrical section of one end being connected.

3. sewage exhaust valve according to claim 1, it is characterised in that the exhaust apparatus includes exhaust part and for dropping The block piece of low flow rate of water flow, the block piece is mobilizable to be arranged in the valve body, and the block piece passes through guide rod and institute Exhaust part connection is stated, one end away from the exhaust part of the block piece is adjacent with the arrival end and is oppositely arranged.

4. sewage exhaust valve according to claim 3, it is characterised in that at least three flaps are provided with the valve body, The flap is circumferentially distributed along the block piece, and one end of the flap is fixedly connected with the inwall of the valve body, the valve The other end of valve forms the activity for accommodating the block piece and leads near the block piece between flap described at least three Road.

5. sewage exhaust valve according to claim 3, it is characterised in that the block piece is hollow cylinder type ball float.

6. sewage exhaust valve according to claim 4, it is characterised in that the exhaust part includes aiutage, the exhaust Cylinder is inserted in the valve body from the exhaust end, and one end of the aiutage is adjustment portion, and the other end is exhaust outlet, the stop Part can be slided along the inwall of the aiutage.

7. sewage exhaust valve according to claim 6, it is characterised in that the exhaust outlet is fixedly installed guide pipe, institute Guide pipe is stated along the axially arranged of the aiutage, the guide rod slidably pass through the guide pipe, the guide rod away from One end of the block piece is provided with limiting section, and the limiting section is fixedly connected with the guide rod, and the width of the limiting section is big In the internal diameter of the guide pipe.

8. sewage exhaust valve according to claim 7, it is characterised in that set between the limiting section and the guide pipe There is anticollision pad, the anticollision pad is sheathed on the guide rod.

9. sewage exhaust valve according to claim 7, it is characterised in that the exhaust apparatus is additionally provided with closure and tool There is the bonnet of opening, the bonnet is covered in the exhaust outlet, the closure includes closure and connecting rod, the connecting rod Slidably it is connected with the bonnet, the closure is located between the bonnet and the guide pipe；The exhaust apparatus For the closure props up the bonnet and closes the valve body, the second state of the exhaust apparatus is described to first state Closure departs from the valve body and the valve body is in communication with the outside.

10. a kind of sewage drainage system, it is characterised in that including the dirt described in sewage conduct and claim 1-9 any one Water air bleeding valve.