CN208605686U - Butterfly valve and drainage system - Google Patents
Butterfly valve and drainage system Download PDFInfo
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- CN208605686U CN208605686U CN201821064049.3U CN201821064049U CN208605686U CN 208605686 U CN208605686 U CN 208605686U CN 201821064049 U CN201821064049 U CN 201821064049U CN 208605686 U CN208605686 U CN 208605686U
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Abstract
The utility model relates to valve technology fields, and more particularly, to a kind of butterfly valve and drainage system, butterfly valve includes: valve body, valve plate, non-return component and seal assembly；Wherein, valve plate is arranged in valve body and valve body is divided into intake channel and exit passageway；Non-return component includes valve seat, flap, torsional spring and filter screen；Valve seat is arranged in intake channel, and flap is connected with valve seat by shaft, and flap is used to cover the valve port on valve seat；Torsional spring is set in shaft, and one end is connected with valve seat, and the other end is connected with flap；Filter screen is arranged in valve port；Seal assembly includes sealed core, the first ring flat-plate and the second ring flat-plate；One end of sealed core is plugged on exit passageway side wall；First ring flat-plate and the second ring flat-plate are set on the side wall of exit passageway, and the two is located at sealed core two sides, it is seen then that flap can consolidate Ground shock waves by water dungeon and be resisted against in valve port, to play the role of non-return；Seal assembly plays the role of sealing installing port.
Description
Technical field
The utility model relates to valve technology fields, more particularly, to a kind of butterfly valve and drainage system.
Background technique
Currently, butterfly valve is called flap valve, it is a kind of simple regulating valve of structure, can be used for the switch control of low pressure pipeline medium
The butterfly valve of system refers to that closure member (flap or butterfly plate) is disk, and a kind of valve of open and close is reached around valve shaft rotation.Butterfly
Valve is mostly used in drainage system, but existing butterfly valve does not have the function of preventing reverse flow of fluids and filter fluid impurity, discharge
Water not only pollute environment, and the inside of valve is also extremely easy to save bit by bit impurity, causes to block, and reduces the service life of valve.
Utility model content
The purpose of this utility model is to provide a kind of butterfly valve and drainage systems, to solve butterfly valve existing in the prior art
Do not have the technical issues of function of preventing reverse flow of fluids and filter fluid impurity.
The utility model provides a kind of butterfly valve, comprising: valve body, valve rod, valve plate, non-return component, seal assembly and hand
Wheel；Wherein, the valve body is the structure of inner hollow；The valve plate is arranged in the valve body, and the valve plate is by the valve body
Inside be divided into intake channel and exit passageway；One end of the valve rod passes through the valve body and is connected with the valve plate,
The other end of the valve rod passes through the valve body and is connected with the handwheel；The handwheel is for driving the valve rod and described
Valve plate is rotated relative to the valve body；The non-return component includes valve seat, flap, torsional spring and filter screen；Wherein, the valve seat setting
In the exit passageway, valve port is provided on the valve seat；The flap is connected with the valve seat by shaft, the valve
Valve is for covering the valve port；The torsional spring is set in the shaft, and one end of the torsional spring is connected with the valve seat
It connects, the other end of the torsional spring is connected with the flap；The filter screen is arranged in the valve port；The seal assembly packet
Include sealed core, the first ring flat-plate and the second ring flat-plate；Wherein, the side wall of the exit passageway offers installing port, the sealed core
One end be plugged in the installing port；First ring flat-plate and second ring flat-plate are set in the side of the exit passageway
On wall, and first ring flat-plate is located at the side of the sealed core, and second ring flat-plate is located at the other side of the sealed core.
In the above-mentioned technical solutions, further, the sealed core includes hand-held ring and sealing ring；Wherein, described close
Seal ring and the hand-held ring are semicircular structure；The sealing ring is connected with the hand-held ring, and the sealing ring is inserted
It is located at the installing port；The hand-held ring is located at the outside of the valve body.
In any of the above-described technical solution, further, waist is offered on first ring flat-plate and second ring flat-plate
Shape hole, and first ring flat-plate and second ring flat-plate pass through the fastener being plugged in the kidney slot and the outlet
The outside wall surface in channel is connected.
In any of the above-described technical solution, further, the flap includes interconnecting piece and plug division；Wherein, the company
One end of socket part is connected with the valve seat by shaft, and the torsional spring is connected with the interconnecting piece；The interconnecting piece
The other end is connected with the plug division, and the plug division can be plugged in the valve port；Interconnecting piece is bending plate structure；
Plug division is plate-like structure.
In any of the above-described technical solution, further, the butterfly valve further includes sealing element, and the sealing element is embedded in institute
It states in the outside wall surface of plug division, and the sealing element is located between the wall surface of the valve port and the outside wall surface of the plug division；Institute
Stating sealing element is cyclic structure.
In any of the above-described technical solution, further, the sealing element includes rigid pad loop and flexible pad loop；
Wherein, the quantity of the rigid pad loop and the flexible pad loop is at least two；And multiple rigid pad loops
And multiple flexible pad loops are alternately distributed.
In any of the above-described technical solution, further, the butterfly valve further includes the first rubber layer and the second rubber layer；
Wherein, first rubber layer is arranged on the inner wall of the intake channel, and second rubber layer is arranged in the outlet
On the inner wall in channel.
In any of the above-described technical solution, further, the butterfly valve further includes limit fastener, the limit fastener setting
On the handwheel；The end of the valve body is provided with card slot, and the limit fastener can be fastened in the card slot.
In any of the above-described technical solution, further, the butterfly valve further includes first flange and second flange；Its
In, first flange is set in the outside wall surface of the intake channel；The second flange is set in the outer wall of the exit passageway
On face.
The utility model additionally provides a kind of drainage system, including butterfly valve described in any of the above-described technical solution, thus, tool
There are whole advantageous effects of the device, here, repeating no more.
Compared with prior art, the utility model has the following beneficial effects:
Butterfly valve provided by the utility model, comprising: valve body, valve rod, valve plate, non-return component, seal assembly and handwheel,
In, valve body is the structure of inner hollow, and valve plate is arranged in valve body, and the inside of valve body is divided into intake channel and gone out by valve plate
Mouth channel, one end of valve rod pass through valve body and are connected with valve plate, and the other end of valve rod passes through valve body and is connected with handwheel, and handwheel is used
It is rotated in band ovable valve stem and valve plate relative to valve body, it is seen then that operator can drive valve plate to rotate using handwheel, to realize this butterfly
Valve turn on or off and the adjusting of the aperture between valve plate and valve body；Non-return component include valve seat, flap, torsional spring and
Filter screen, wherein valve seat is arranged in exit passageway, valve port is provided on valve seat, flap is connected with valve seat by shaft, valve
Valve is for covering valve port, and torsional spring is set in shaft, and one end of torsional spring is connected with valve seat, the other end and flap of torsional spring
It is connected, it is seen then that operator's rotation hand wheel and then drive valve plate Unscrew, so that fluid passes through opening between valve plate and valve body
Mouthful flow into exit passageway, fluid voluntarily impacts flap in turn again so that flap rotates around valve seat and opens valve port, fluid from
Valve port outflow, after fluid drainage, then pushes flap far from the fluid of valve plate side positioned at flap, so that flap is securely
It is located in valve port, so that sealing valve port be lived, play the role of non-return, in addition, being provided with filter screen in valve port, can play
Effect to filtering flow prevents pollution environment, impurity is intercepted on filter screen, avoids the interior of impurity choke valve body
Portion, and then extend the service life of this butterfly valve.Seal assembly includes sealed core, the first ring flat-plate and the second ring flat-plate, wherein outlet
The side wall in channel offers installing port, and one end of sealed core is plugged in installing port；First ring flat-plate and the second ring flat-plate are arranged
On the side wall of exit passageway, and the first ring is located at the side of sealed core, and the second ring flat-plate is located at the other side of sealed core, it is seen then that
When user needs to take out or overhauls non-return component, the first ring flat-plate and the second ring flat-plate can be moved round about, then will
Non-return component takes out from the sidewall opening of exit passageway, and then the first ring flat-plate and the second ring flat-plate are moved towards and docked again
Together, still play the role of to valve seal, so that butterfly valve can continue to use.
As it can be seen that this butterfly valve by rotation hand wheel drive valve plate with respect to valve body rotation, thus realize this butterfly valve opening or
Closing and the adjusting of the aperture between valve plate and valve body；The flap of non-return component can consolidate Ground shock waves by water dungeon and be resisted against valve
In mouthful, to play the role of non-return；The sealed core of seal assembly can take out at any time, and then overhaul to non-return component
Or replacement, it is simple to operate, in addition, after the first ring flat-plate and the second ring flat-plate of seal assembly can take out sealed core
Installing port is sealed, thus can be taken out sealed core and be overhauled etc..
Water system provided by the utility model, including butterfly valve described above, this butterfly valve has non-return and filtering
Function, it is safer and more reliable.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of butterfly valve provided by the embodiment of the utility model；
Fig. 2 is enlarged structure schematic diagram of the Fig. 1 at A；
Fig. 3 is enlarged structure schematic diagram of the Fig. 1 at B；
Fig. 4 is the structural schematic diagram of sealed core provided by the embodiment of the utility model.
Appended drawing reference:
1- valve body, 101- intake channel, 102- exit passageway, 2- valve rod, 3- valve plate, 4- non-return component, 401- valve seat,
402- flap, 4021- interconnecting piece, the plug division 4022-, 403- torsional spring, 404- filter screen, 405- shaft, 5- seal assembly, 501-
Sealed core, 5011- hold ring, 5012- sealing ring, the first ring flat-plate of 502-, the second ring flat-plate of 503-, 6- handwheel, 7- sealing element, 8-
Limit fastener, 9- first flange, 10- second flange, 11-O type sealing ring.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.
The component of the utility model embodiment for usually describing and showing in attached drawing here can be with a variety of different
Configuration is to arrange and design.It therefore, is not below purport to the detailed description of the embodiments of the present invention provided in the accompanying drawings
In the range of limitation claimed invention, but it is merely representative of the selected embodiment of the utility model.
Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Butterfly valve and drainage system according to the utility model some embodiments are described referring to Fig. 1 to Fig. 4.
Shown in Figure 1, the embodiments of the present invention provide a kind of butterfly valve, comprising: valve body 1, valve rod 2, valve plate 3,
Non-return component 4, seal assembly 5 and handwheel 6；Wherein, the valve body 1 is the structure of inner hollow；The valve plate 3 is arranged in institute
It states in valve body 1, the inside of the valve body 1 is divided into intake channel 101 and exit passageway 102 by the valve plate 3；The valve rod
2 one end passes through the valve body 1 and is connected with the valve plate 3, and the other end of the valve rod 2 passes through the valve body 1 and the hand
Wheel 6 is connected；The handwheel 6 is for driving the valve rod 2 and the valve plate 3 to rotate relative to the valve body 1；Referring to Fig. 3 institute
Show, the non-return component 4 includes valve seat 401, flap 402, torsional spring 403 and filter screen 404；Wherein, the setting of valve seat 401 exists
In the exit passageway 102, valve port is provided on the valve seat 401；The flap 402 passes through shaft 405 with the valve seat 401
It is connected, the flap 402 is for covering the valve port；The torsional spring 403 is set in the shaft 405, and the torsion
One end of spring 403 is connected with the valve seat 401, and the other end of the torsional spring 403 is connected with the flap 402；The mistake
Strainer 404 is arranged in the valve port；It is shown in Figure 2, the seal assembly 5 include sealed core 501, the first ring flat-plate 502 with
And second ring flat-plate 503；Wherein, the side wall of the exit passageway 102 offers installing port, and one end of the sealed core 501 plugs
In the installing port；First ring flat-plate 502 and second ring flat-plate 503 are set in the side wall of the exit passageway
On, and first ring flat-plate 502 is located at the side of the sealed core 501, second ring flat-plate 503 is located at the sealed core 501
The other side.
Butterfly valve provided by the utility model, comprising: valve body 1, valve rod 2, valve plate 3, non-return component 4, seal assembly 5 and hand
Wheel 6, wherein valve body 1 be inner hollow structure, valve plate 3 be arranged in valve body 1, valve plate 3 by the inside of valve body 1 be divided into
Mouth channel 101 and exit passageway 102, one end of valve rod 2 pass through valve body 1 and are connected with valve plate 3, and the other end of valve rod 2 passes through
Valve body 1 is connected with handwheel 6, and handwheel 6 is used for band ovable valve stem 2 and valve plate 3 and rotates relative to valve body 1, it is seen then that operator can benefit
With handwheel 6 drive valve plate 3 rotate, thus realize this butterfly valve turn on or off and the aperture between valve plate 3 and valve body 1
Adjusting；Non-return component 4 includes valve seat 401, flap 402, torsional spring 403 and filter screen 404, wherein the setting of valve seat 401 is exporting
In channel 102, valve port is provided on valve seat 401, flap 402 is connected with valve seat 401 by shaft 405, and flap 402 is for sealing
Cover valve port, torsional spring 403 is set in shaft 405, and one end of torsional spring 403 is connected with valve seat 401, torsional spring 403 it is another
End is connected with flap 402, it is seen then that operator's rotation hand wheel 6 and then drive 3 Unscrew of valve plate, so that fluid passes through valve plate 3
Opening between valve body 1 flows into exit passageway 102, fluid and then voluntarily impacts flap 402 again so that flap 402 around
Valve seat 401 rotates and opens valve port, and fluid is flowed out from valve port, after fluid drainage, is located at flap 402 far from valve plate 3 one
The fluid of side then pushes flap 402, so that flap 402 be located in valve port securely, so that sealing valve port be lived, plays non-return
Effect can play the role of preventing pollution environment to filtering flow in addition, be provided with filter screen 404 in valve port, it is miscellaneous
Matter is intercepted on filter screen 404, avoids the inside of impurity choke valve body 1, and then extends the service life of this butterfly valve.It is close
Sealing assembly 5 includes sealed core 501, the first ring flat-plate 502 and the second ring flat-plate 503, wherein the side wall of exit passageway 102 offers
One end of installing port, sealed core 501 is plugged in installing port；It is logical that first ring flat-plate 502 and the second ring flat-plate 503 are set in outlet
On the side wall in road 102, and the first ring is located at the side of sealed core 501, and the second ring flat-plate 503 is located at the other side of sealed core 501,
It, can be by the first ring flat-plate 502 and the second ring flat-plate 503 to opposite as it can be seen that when user needs to take out or overhauls non-return component 4
Direction is mobile, then non-return component 4 is taken out from the sidewall opening of exit passageway 102, then again by the first ring flat-plate 502 and the
Two ring flat-plates 503 are moved towards and are docking together, and still play the role of sealing valve body 1, so that butterfly valve can continue to make
With.
As it can be seen that this butterfly valve by rotation hand wheel 6 drive valve plate 3 with respect to valve body 1 rotation, thus realize this butterfly valve opening or
Person closes and the adjusting of the aperture between valve plate 3 and valve body 1；The flap 402 of non-return component 4 can consolidate Ground shock waves by water dungeon
It is resisted against in valve port, to play the role of non-return；The sealed core 501 of seal assembly 5 can take out at any time, and then to non-return
Component 4 is overhauled or is replaced, simple to operate, in addition, the first ring flat-plate 502 and the second ring flat-plate 503 of seal assembly 5
Installing port after capable of taking out to sealed core 501 is sealed, thus can be taken out sealed core 501 and be overhauled etc..
In one embodiment of the utility model, it is preferable that as shown in Figure 1 and Figure 4, the sealed core 501 includes hand
Support ring 5011 and sealing ring 5012；Wherein, the sealing ring 5012 and the hand-held ring 5011 are semicircular structure；
The sealing ring 5012 is connected with the hand-held ring 5011, and the sealing ring 5012 is plugged in the installing port；The hand
Support ring 5011 is located at the outside of the valve body 1.
Wherein, optionally, O-ring seal 11 is provided between the side wall of intake channel 101 and sealing ring 5012, specifically
Ground, O-ring seal 11 are embedded in the side wall of intake channel 101.
In this embodiment, it states sealing ring 5012 and hand-held ring 5011 is semicircular structure, facilitate the two from installation
It is taken out in mouthful；Convenient for hand-held, sealing ring 5012 can be plugged in installing port hand-held ring 5011, be sealed to installing port.
In one embodiment of the utility model, it is preferable that on first ring flat-plate 502 and second ring flat-plate 503
Kidney slot is offered, and first ring flat-plate 502 and second ring flat-plate 503 are by being plugged in the kidney slot
Fastener is connected with the outside wall surface of the exit passageway 102.(not shown)
In this embodiment, the first ring flat-plate 502 and the second ring flat-plate 503 can be transported in opposite directions by kidney slot along fastener
It is dynamic, or deviate from counter motion, when the first ring flat-plate 502 and the second ring flat-plate 503 deviate from counter motion, formed between the two compared with
Big space, operator overhauls the non-return component 4 etc. in exit passageway 102, after the completion of maintenance, when by sealed core 501
After reinstalling, then the first ring flat-plate 502 and the second ring flat-plate 503 move towards again and are docked at the two sides of sealed core 501, rise
The effect sealed to the exit passageway 102 to valve body 1, or sealed core 501 can be taken out completely, then two ring flat-plates are docked at
Together, play the role of sealing.
In one embodiment of the utility model, it is preferable that as shown in Figure 1 to Figure 3, the flap 402 includes connection
Portion 4021 and plug division 4022；Wherein, one end of the interconnecting piece 4021 is connected with the valve seat 401 by shaft 405,
And the torsional spring 403 is connected with the interconnecting piece 4021；The other end of the interconnecting piece 4021 and 4022 phase of plug division
Connection, the plug division 4022 can be plugged in the valve port.
In this embodiment, interconnecting piece 4021 is connected with plug division 4022, and interconnecting piece 4021 and the rotation of valve seat 401 connect
It connecing, one end of torsional spring 403 is connected with interconnecting piece 4021, and plug division 4022 is plugged in valve port, play the role of sealing valve port,
Wherein, interconnecting piece 4021 is able to drive plug division 4022 and rotates relative to valve port.Wherein, optionally, interconnecting piece 4021 and grafting
Portion 4022 is an integral structure, or both by welding etc. modes be connected；Interconnecting piece 4021 is bending plate structure；Plug division
4022 be plate-like structure.
In one embodiment of the utility model, it is preferable that as shown in figure 3, the butterfly valve further includes sealing element 7, institute
Sealing element 7 is stated to be embedded in the outside wall surface of the plug division 4022, and the sealing element 7 be located at the wall surface of the valve port with it is described
Between the outside wall surface of plug division 4022.
In this embodiment, sealing element 7 is embedded in the outside wall surface of plug division 4022, and sealing element 7 is located at the wall of valve port
Between face and the outside wall surface of plug division 4022, sealing element 7 plays the role of sealing to flap 402 and valve port, prevents this adjustable
Flap 402 matches place's leak with valve port when the closure of check ring of flow.Wherein, optionally, sealing element 7 can be also embedded in valve port
Wall surface on.Wherein, sealing element 7 is cyclic structure, and sealing element is adapted with the inner wall of exit passageway.
In one embodiment of the utility model, it is preferable that the sealing element 7 includes rigid pad loop and flexible pad
Loop；Wherein, the quantity of the rigid pad loop and the flexible pad loop is at least two；And multiple rigid pads
Loop and multiple flexible pad loops are alternately distributed.(not shown)
In this embodiment, sealing element 7 includes rigid pad loop and flexible pad loop, rigid pad loop and flexible gasket
Ring is alternately distributed, and in the impact force by media such as fluids, flexible pad loop plays the role of buffering, reduces medium to sealing
The impact force of part 7, rigid pad loop play the role of support, when sealing element 7 is impacted, can guarantee that sealing element 7 will not
It deforms, so that sealing element 7 always can be inconsistent with flap 402, in addition, sealing element 7 makes between flap 402 and valve port
Sealing effect it is more preferable.
In one embodiment of the utility model, it is preferable that the butterfly valve further includes the first rubber layer and the second rubber
Glue-line；Wherein, first rubber layer is arranged on the inner wall of the intake channel 101, and the second rubber layer setting exists
On the inner wall of the exit passageway 102.(not shown)
In this embodiment, optionally, the first rubber layer is coated in intake channel 101, and the second rubber layer is coated in
In mouthful channel 102, to prevent fluid to corroding inside valve body 1.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, butterfly valve further includes limit fastener 8, limit
Buckle 8 is arranged on handwheel 6；The end of valve body 1 is provided with card slot, and limit fastener 8 can be fastened in card slot.
It in this embodiment, can be by the limit fastener 8 on handwheel 6 after operator's rotation hand wheel 6 arrives suitable position
Be fastened in the card slot of valve body 1, so that handwheel 6 be fixed so that kept between valve plate 33 and valve body 1 one it is fixed
Aperture avoids the need for operator and needs to hold handwheel 6 for a long time.
In one embodiment of the utility model, it is preferable that the quantity of card slot be it is multiple, multiple card slots are along valve body 1
Circumferential uniformly arrangement.(not shown)
In this embodiment, for multiple card slots along the circumferential uniformly arrangement of valve body 1, multiple card slots can be to the progress of handwheel 6 not
With the fixation in orientation, and then the aperture between valve plate 3 and valve body 1 can be adjusted.
In one embodiment of the utility model, it is preferable that as shown in Figure 1, butterfly valve further includes first flange 9 and
Two flanges 10；Wherein, first flange 9 is set in the outside wall surface of intake channel 101；Second flange 10 is set in exit passageway
In 102 outside wall surface.
In this embodiment, butterfly valve can also pass through first flange 9 and second flange 10 and corresponding pipeline phase respectively
Connection or shut-off valve are fixed on other component by first flange 9 and second flange 10.Wherein, optionally, the first method
Orchid 9 and second flange 10 are split type structure with valve body 1 or are an integral structure.
The embodiments of the present invention also provide a kind of drainage system, including butterfly valve described in any of the above-described embodiment, because
And whole advantageous effects with the device, here, repeating no more.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of butterfly valve characterized by comprising valve body, valve rod, valve plate, non-return component, seal assembly and handwheel；
Wherein, the valve body is the structure of inner hollow；The valve plate is arranged in the valve body, and the valve plate is by the valve body
Inside be divided into intake channel and exit passageway；One end of the valve rod passes through the valve body and is connected with the valve plate,
The other end of the valve rod passes through the valve body and is connected with the handwheel；The handwheel is for driving the valve rod and described
Valve plate is rotated relative to the valve body；The non-return component includes valve seat, flap, torsional spring and filter screen；Wherein, the valve seat setting
In the exit passageway, valve port is provided on the valve seat；The flap is connected with the valve seat by shaft, the valve
Valve is for covering the valve port；The torsional spring is set in the shaft, and one end of the torsional spring is connected with the valve seat
It connects, the other end of the torsional spring is connected with the flap；The filter screen is arranged in the valve port；The seal assembly packet
Include sealed core, the first ring flat-plate and the second ring flat-plate；Wherein, the side wall of the exit passageway offers installing port, the sealed core
One end be plugged in the installing port；First ring flat-plate and second ring flat-plate are set in the side of the exit passageway
On wall, and first ring flat-plate is located at the side of the sealed core, and second ring flat-plate is located at the other side of the sealed core.
2. butterfly valve according to claim 1, which is characterized in that the sealed core includes hand-held ring and sealing ring；Wherein,
The sealing ring and the hand-held ring are semicircular structure；The sealing ring is connected with the hand-held ring, and described close
Seal ring is plugged in the installing port；The hand-held ring is located at the outside of the valve body.
3. butterfly valve according to claim 1, which is characterized in that offered on first ring flat-plate and second ring flat-plate
Kidney slot, and first ring flat-plate and second ring flat-plate by the fastener that is plugged in the kidney slot and it is described go out
The outside wall surface in mouth channel is connected.
4. butterfly valve according to claim 1, which is characterized in that the flap includes interconnecting piece and plug division；Wherein, described
One end of interconnecting piece is connected with the valve seat by shaft, and the torsional spring is connected with the interconnecting piece；The interconnecting piece
The other end be connected with the plug division, the plug division can be plugged in the valve port；Interconnecting piece is bending plate knot
Structure；Plug division is plate-like structure.
5. butterfly valve according to claim 4, which is characterized in that further include sealing element, the sealing element is embedded to be inserted described
In the outside wall surface of socket part, and the sealing element is located between the wall surface of the valve port and the outside wall surface of the plug division；It is described close
Sealing is cyclic structure.
6. butterfly valve according to claim 5, which is characterized in that the sealing element includes rigid pad loop and flexible gasket
Ring；Wherein, the quantity of the rigid pad loop and the flexible pad loop is at least two；And multiple rigid gaskets
Ring and multiple flexible pad loops are alternately distributed.
7. butterfly valve according to any one of claim 1 to 6, which is characterized in that further include the first rubber layer and second
Rubber layer；Wherein, first rubber layer is arranged on the inner wall of the intake channel, and second rubber layer is arranged in institute
It states on the inner wall of exit passageway.
8. butterfly valve according to any one of claim 1 to 6, which is characterized in that it further include limit fastener, the limiting card
Button is arranged on the handwheel；The end of the valve body is provided with card slot, and the limit fastener can be fastened in the card slot.
9. butterfly valve according to any one of claim 1 to 6, which is characterized in that further include first flange and the second method
It is blue；Wherein, first flange is set in the outside wall surface of the intake channel；The second flange is set in the exit passageway
In outside wall surface.
10. a kind of drainage system, which is characterized in that including butterfly valve described in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064049.3U CN208605686U (en) | 2018-07-05 | 2018-07-05 | Butterfly valve and drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821064049.3U CN208605686U (en) | 2018-07-05 | 2018-07-05 | Butterfly valve and drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208605686U true CN208605686U (en) | 2019-03-15 |
Family
ID=65667973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821064049.3U Expired - Fee Related CN208605686U (en) | 2018-07-05 | 2018-07-05 | Butterfly valve and drainage system |
Country Status (1)
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| CN (1) | CN208605686U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360350A (en) * | 2019-07-25 | 2019-10-22 | 广东奥马冰箱有限公司 | Negative pressure and the relief valve of draining in a kind of balance refrigerator |
| CN113757394A (en) * | 2020-09-16 | 2021-12-07 | 江苏中浮矿业科技有限公司 | Air intake control device for flotation column |
| CN114602226A (en) * | 2022-03-25 | 2022-06-10 | 华光阀门有限公司 | High-efficient sealed slot butterfly valve |
| CN114776852A (en) * | 2022-05-10 | 2022-07-22 | 河北础润节水灌溉科技有限公司 | Integrated butterfly valve with reinforcing structure |
-
2018
- 2018-07-05 CN CN201821064049.3U patent/CN208605686U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110360350A (en) * | 2019-07-25 | 2019-10-22 | 广东奥马冰箱有限公司 | Negative pressure and the relief valve of draining in a kind of balance refrigerator |
| CN113757394A (en) * | 2020-09-16 | 2021-12-07 | 江苏中浮矿业科技有限公司 | Air intake control device for flotation column |
| CN114602226A (en) * | 2022-03-25 | 2022-06-10 | 华光阀门有限公司 | High-efficient sealed slot butterfly valve |
| CN114602226B (en) * | 2022-03-25 | 2024-02-13 | 华光阀门有限公司 | High-efficient sealed slot butterfly valve |
| CN114776852A (en) * | 2022-05-10 | 2022-07-22 | 河北础润节水灌溉科技有限公司 | Integrated butterfly valve with reinforcing structure |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190315 Termination date: 20210705 |
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| CF01 | Termination of patent right due to non-payment of annual fee |