CN208634410U - Butterfly valve - Google Patents
Butterfly valve Download PDFInfo
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- CN208634410U CN208634410U CN201821352123.1U CN201821352123U CN208634410U CN 208634410 U CN208634410 U CN 208634410U CN 201821352123 U CN201821352123 U CN 201821352123U CN 208634410 U CN208634410 U CN 208634410U
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- butterfly
- butterfly plate
- edge part
- bound edge
- plate
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Abstract
Butterfly valve provided by the utility model is related to butterfly valve manufacturing technology field.The butterfly valve includes butterfly plate, and the periphery of butterfly plate is equipped with bound edge part, and bound edge part is arranged along the outer edge contour of butterfly plate.Butterfly plate is circumferentially with the first groove, and for installing first seal, first seal is located between butterfly plate and bound edge part the first groove.The butterfly valve is coated on butterfly plate using bound edge part, and first seal is arranged between butterfly plate and bound edge part, substantially increases the intensity in butterfly valve seal face, extends the service life of butterfly valve, and have good sealing effect.
Description
Technical field
The utility model relates to butterfly valve manufacturing technology fields, in particular to a kind of butterfly valve.
Background technique
Critical component of the double eccentric butterfly valve seal valve seat as sealing, easily causes to wear, to cause butterfly valve seal not
Good phenomenon.
Conventional seals valve seat is spray form due to use, and seating position is easy to wear and get rusty, epoxy resin
Baking vanish form easily causes baking vanish to fall off in use due to the technological problems of baking vanish, gets rusty so as to cause seating position
Corrosion.Stainless steel application form not can guarantee stainless steel 100 percent and cover sealing surface of seat, in this way due to technological problems
Meeting water leaking-in at valve seat, causes sealing surface to get rusty, stainless steel falls off, and sealing effect will substantially reduce in ability use process.
In view of this, designing and manufacturing a kind of butterfly valve, sealing effect can be improved, extend the service life of butterfly valve, be mesh
It is badly in need of the technical issues of improving in preceding butterfly valve manufacturing technology field.
Utility model content
The purpose of this utility model includes providing a kind of butterfly valve, is equipped with bound edge part in the periphery of butterfly plate, improves butterfly valve seal
The intensity in face, meanwhile, by the way that first seal is arranged between butterfly plate and bound edge part, it ensure that the butterfly valve has good sealing
Effect.The butterfly valve structure is simple, easily manufactured, high production efficiency, and sealing surface intensity is big, long service life.
The purpose of this utility model further includes providing another butterfly valve, including valve body and butterfly plate, by setting in butterfly plate periphery
Bound edge part is set, the intensity of the sealing surface of entire butterfly valve is improved, extends the service life of butterfly valve.
It is that it is realized by adopting the following technical scheme that the utility model, which improves its technical problem,.
The periphery of a kind of butterfly valve provided by the utility model, including butterfly plate, the butterfly plate is equipped with bound edge part, the bound edge part
Outer edge contour along the butterfly plate is arranged.
The butterfly plate is circumferentially with the first groove, and for first groove for installing first seal, described first is close
Sealing is located between the butterfly plate and the bound edge part.
Further, the bound edge part uses stainless steel band.
Further, the stainless steel band is by extrusion forming, and forms the consistent shape of outer profile with the butterfly plate
Shape is fastened with the butterfly plate.
Further, the side of the butterfly plate is equipped with the first clamping portion, and the other side of the butterfly plate is equipped with the second clamping portion,
A side of the stainless steel band is caught in first clamping portion, and the other side checkpost of the stainless steel band enters second clamping
Portion.
Further, the butterfly plate includes ring-shaped periphery, the first surface and second surface being oppositely arranged, the annular week
Face is between the first surface and the second surface；The first surface is equipped with first clamping portion, and described the
Two surfaces are equipped with second clamping portion.
Further, the stainless steel band in a ring, is set on the ring-shaped periphery, the both sides point of the stainless steel band
Other flanging, a side edgefold are fastened on first clamping portion, and another side edgefold is fastened on second clamping portion.
Further, the stainless steel band with a thickness of 1mm to 1.4mm.
A kind of butterfly valve provided by the utility model, including valve body and butterfly plate, the butterfly plate are mounted on the valve body.It is described
The periphery of butterfly plate is equipped with bound edge part, and the bound edge part is arranged along the outer edge contour of the butterfly plate.The butterfly plate is circumferentially with
One groove, for first groove for installing first seal, the first seal is located in the butterfly plate and the bound edge
Between part.The bound edge part and the valve body contact.
Further, it offers the second groove on the valve body, second seal is installed in second groove, described the
Two sealing elements are contacted with the bound edge part.
Further, epoxy resin is filled in second groove, the butterfly plate uses epoxy resin baking finish process.
Butterfly valve provided by the utility model have the following aspects the utility model has the advantages that
A kind of butterfly valve provided by the utility model is equipped with bound edge part in the periphery of butterfly plate, improves the intensity in butterfly valve seal face,
Meanwhile by the way that the first groove is arranged between butterfly plate and bound edge part, for installing first seal, it is good to ensure that the butterfly valve has
Good sealing effect.The butterfly valve structure is simple, easily manufactured, high production efficiency, and butterfly valve seal surface intensity greatly enhances, close
Cover effect is good, long service life.
Another kind butterfly valve provided by the utility model, including valve body and butterfly plate, by the way that bound edge part is arranged in butterfly plate periphery, the
One sealing element is located between butterfly plate and bound edge part, improves sealing effect.Bound edge part and valve body contact improve entire butterfly valve
The intensity of sealing surface, wear-resisting property significantly improve, and extend the service life of butterfly valve.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for the butterfly valve that the utility model specific embodiment provides；
Fig. 2 is the butterfly plate for the butterfly valve that the utility model specific embodiment provides and the attachment structure schematic diagram of bound edge part；
Fig. 3 is a kind of structural schematic diagram of the butterfly plate for the butterfly valve that the utility model specific embodiment provides；
Fig. 4 is a kind of structural schematic diagram of the bound edge part for the butterfly valve that the utility model specific embodiment provides；
Fig. 5 is the butterfly plate for the butterfly valve that the utility model specific embodiment provides and the connection structure partial schematic diagram of valve body.
Icon: 100- butterfly valve；101- upper valve rod；103- lower valve rod；The rotation section 105-；107- communication port；110- valve body；
120- butterfly plate；121- first surface；The first clamping portion 1211-；123- second surface；The second clamping portion 1231-；125- annular week
Face；The first groove of 126-；130- bound edge part；131- bottom wall；133- side wall；141- first seal；143- second seal；
145- epoxy resin layer.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
The orientation or positional relationship that relationship or those skilled in the art usually understand is merely for convenience of description the utility model
It is described with simplifying, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
" first " of the utility model, " second " etc., are only used to distinguish between description, and contain not special
Justice.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
The aperture regulation of double eccentric butterfly valve is realized by the rotation of butterfly plate, in the rotation process of butterfly plate, butterfly plate sealing
The abrasion in face is more serious, after a period of use, the problem of being easy to appear sealing performance decline, reveal.Butterfly valve common at present,
The mode taken of intensity for improving butterfly valve seal face substantially has two classes, and first, butterfly plate uses epoxy resin baking vanish form, improves butterfly
The wearability of plate.But due to the technological problems of baking vanish, easily baking vanish is caused to fall off in use, so as to cause valve seat position
Set corrosion, it is difficult to guarantee good sealing effect.Second, the outer surface of butterfly plate uses Stainless steel application form, i.e., close
Stainless steel is sprayed on cover.This mode not can guarantee stainless steel 100 percent and covered the close of butterfly valve due to technological problems
Cover just understands water leaking-in in this way, causes sealing surface to get rusty, stainless steel falls off, and sealing effect will be big at valve seat in use process
It is big to reduce.
In order to overcome drawbacks described above, the utility model proposes a kind of butterfly valves, and bound edge part is arranged in the periphery of butterfly plate, improves
The intensity and wearability of the sealing surface of butterfly valve, it is ensured that butterfly valve has good sealing performance for a long time, effectively extends the use of butterfly valve
Service life.
First embodiment
Fig. 1 is a kind of structural schematic diagram for the butterfly valve 100 that the utility model specific embodiment provides, and Fig. 2 is that this is practical new
The butterfly plate 120 for the butterfly valve 100 that type specific embodiment provides and the attachment structure schematic diagram of bound edge part 130, please refer to Fig. 1 and Fig. 2.
The periphery of a kind of butterfly valve 100 provided in this embodiment, including butterfly plate 120, butterfly plate 120 is equipped with bound edge part 130, bound edge
Part 130 is arranged along the outer edge contour of butterfly plate 120.Butterfly plate 120 is circumferentially with the first groove 126, and the first groove 126 is for installing
First seal 141, first seal 141 are located between butterfly plate 120 and bound edge part 130.
Specifically, in the present embodiment, bound edge part 130 uses stainless steel band.By dedicated molding die, by stainless steel
Band forms the consistent shape of outer profile with butterfly plate 120 by extrusion forming, fastens with butterfly plate 120, realizes butterfly plate 120
Stainless steel bound edge, improve 100 sealing surface of butterfly valve intensity, sealing performance and wear-resisting property, be conducive to extend making for butterfly valve 100
Use the service life.
It is even closer, more firm in order to be bonded stainless steel band with butterfly plate 120.The side of butterfly plate 120 is equipped with first
The other side of clamping portion 1211, butterfly plate 120 is equipped with the second clamping portion 1231, and a side of stainless steel band is caught in the first clamping portion
1211, the other side checkpost of stainless steel band enters the second clamping portion 1231.
Fig. 3 is a kind of structural schematic diagram of the butterfly plate 120 for the butterfly valve 100 that the utility model specific embodiment provides, and please be joined
According to Fig. 3.
It is easily understood that first surface 121 and second surface that butterfly plate 120 includes ring-shaped periphery 125, is oppositely arranged
123, ring-shaped periphery 125 is between first surface 121 and second surface 123.Annular circumferential face, that is, butterfly plate 120 excircle wheel
Profile surface.Preferably, first surface 121 is equipped with the first clamping portion 1211, second surface 123 is equipped with the second clamping portion 1231,
The first groove 126 is opened up on ring-shaped periphery 125.
Fig. 4 is a kind of structural schematic diagram of the bound edge part 130 for the butterfly valve 100 that the utility model specific embodiment provides, and is asked
Referring to Fig. 4.
Stainless steel band in a ring, is set in the ring of butterfly plate 120 by particular manufacturing craft extrusion forming, stainless steel band after molding
On shape circumferential surface 125, flanging is distinguished on the both sides of stainless steel band, and a side edgefold is fastened on the first clamping portion 1211, another side edgefold
It is fastened on the second clamping portion 1231.The slot that is, section of stainless steel band is in U-shape, U-lag include that bottom wall 131 and two set relatively
The side wall 133 set.Bottom wall 131 is coated on the ring-shaped periphery 125 of butterfly plate 120, and the first groove is offered on ring-shaped periphery 125
126, for installing first seal 141, first seal 141 is located between butterfly plate 120 and the bottom wall 131 of bound edge part 130.
One of side wall 133 is fastened on the first clamping portion 1211, abuts with the first stop surface of the first clamping portion 1211.Another side
Face is fastened on the second clamping portion 1231, abuts with the second stop surface of the second clamping portion 1231.
First seal 141 is not limited to that certainly using O shape rubber seal, can also be other sealing members
Part, to improve the sealing performance of the sealing surface of butterfly valve 100.
Optionally, stainless steel band with a thickness of 1mm to 1.4mm.In the present embodiment, preferably, the thickness of stainless steel band
Degree is 1.2mm, had both facilitated stainless steel band extrusion forming, and can also significantly increase the valve seat intensity of butterfly valve 100, improve sealing surface
Wearability extends the service life of butterfly valve 100.The valve seat referred in the present embodiment i.e. bound edge part 130, in the present embodiment preferably
It is not limited to that certainly for stainless steel band, is also possible to other wearing pieces, for example, aluminium alloy, galvanized part etc., do not make here
It is specific to limit.
Second embodiment
Fig. 5 is the butterfly plate 120 for the butterfly valve 100 that the utility model specific embodiment provides and the connection structure office of valve body 110
Portion's schematic diagram referring to figure 5., and combines Fig. 1.
A kind of butterfly valve 100 provided in this embodiment, including valve body 110, upper valve rod 101, lower valve rod 103,105 and of rotation section
Butterfly plate 120, butterfly plate 120 are mounted on valve body 110.Specifically, upper valve rod 101 passes through valve body 110 and one end of butterfly plate 120 is fixed
Connection, lower valve rod 103 pass through valve body 110 and are fixedly connected with the other end of butterfly plate 120, are connected in the present embodiment using screw,
Mode can be fixedly connected with using bolt etc..Upper valve rod 101 is connect with rotation section 105.When the rotation of rotation section 105, i.e. drive butterfly
Plate 120 rotates, and changes the angle between the section of the communication port 107 of butterfly plate 120 and butterfly valve 100, to realize that regulating butterfly valve 100 is opened
The purpose of degree changes the circulation of butterfly valve 100.
The periphery of butterfly plate 120 is equipped with bound edge part 130, and bound edge part 130 is arranged along the outer edge contour of butterfly plate 120.Butterfly plate 120
It is circumferentially with the first groove 126, for the first groove 126 for installing first seal 141, first seal 141 is located in butterfly plate
Between 120 and bound edge part 130, bound edge part 130 is contacted with valve body 110.Bound edge part 130 uses stainless steel band, and stainless steel band passes through
It after a series of rolling, then is placed on dedicated extrusion die, applies the extruding force of big hundredweight by extrusion die, make
Stainless steel band be shaped to the consistent shape of the sealing surface of butterfly plate 120, can completely be fastened on butterfly plate 120, enhance butterfly plate
The intensity of 120 sealing surfaces.Meanwhile O shape rubber seal is set between butterfly plate 120 and stainless steel band, it can be improved butterfly valve 100
The sealing performance of sealing surface.
Also, preferably, offering the second groove on valve body 110, second seal 143 is installed in second groove, the
Two sealing elements 143 are contacted with bound edge part 130.It should be noted that second seal 143 also uses O shape rubber seal, when
So, it is not limited to that, can also be other sealing elements, to improve the sealing performance of the sealing surface of butterfly valve 100.
In addition, being filled with epoxy resin layer 145 in the second groove, butterfly plate 120 uses epoxy resin baking finish process.Butterfly plate
120 and valve body 110 be all made of spraying process, epoxide resin material is equably covered on butterfly plate 120 and valve body 110, to mention
High valve body 110 and wearability, the corrosion resistance of butterfly plate 120 etc..
Unmentioned other parts content, identical as content described in first embodiment in the present embodiment, here no longer
It repeats.
Butterfly valve 100 provided by the utility model, installation process and working principle are as follows:
Butterfly valve 100 includes valve body 110 and butterfly plate 120, and butterfly plate 120 is mounted on valve body 110, and can opposite 110 turns of valve body
It is dynamic, it is rotated by butterfly plate 120, changes the angle between butterfly plate 120 and the section of 100 communication port 107 of butterfly valve, adjust butterfly to realize
The purpose of 100 aperture of valve changes the circulation of butterfly valve 100.Bound edge part 130, i.e. stainless steel are coated on the outer peripheral surface of butterfly plate 120
Flanging is distinguished in the two sides of band, stainless steel band, is fastened on the two sides of butterfly plate 120.Is offered on the ring-shaped periphery 125 of butterfly plate 120
One groove 126, for installing first seal 141.First seal 141 is located between butterfly plate 120 and stainless steel band.Both it mentioned
The high intensity of 100 sealing surface of butterfly valve, while also ensuring that the sealing surface of butterfly valve 100 has good sealing performance.
Valve body 110 and butterfly plate 120 are all made of epoxy resin spraying process, improve the wear-resisting property and intensity on surface.Valve body
The second groove is offered on 110, the second groove is for installing second seal 143.First seal 141 and second seal
143 are all made of O shape rubber seal is not limited to that certainly, and second seal 143 can use special-shaped seal ring, with full
Seal request between the valve body 110 and bound edge part 130 of foot.Epoxy resin layer 145 is filled in second groove, then close by second
Sealing 143 is mounted in the second groove, and second seal 143 is directly contacted with the bound edge part 130 on butterfly plate 120.
In conclusion butterfly valve 100 provided by the utility model have the following aspects the utility model has the advantages that
Butterfly valve 100 provided by the utility model, by be arranged bound edge part 130, improve 100 sealing surface of butterfly valve intensity and
Sealing effect extends the service life of butterfly valve 100, is applicable not only to the double eccentric flange butterfly valves of HP type, is also applied for other classes
The butterfly valve 100 of type.First, bound edge part 130 is added on the ring-shaped periphery 125 of butterfly plate 120, bound edge part 130 uses stainless steel band,
After extrusion forming, be shaped to the consistent shape of the sealing surface of butterfly plate 120, be completely fastened on butterfly plate 120, increase
The intensity of 100 sealing surface of butterfly valve.Second, O shape rubber seal is set between butterfly plate 120 and bound edge part 130, increases butterfly valve
The sealing effect of 100 sealing surface prevents from revealing.Third installs second seal 143, second seal on valve body 110
143 contact with bound edge part 130, improve sealing effect, the service life is longer.4th, valve body 110 and butterfly plate 120 are all made of epoxy
Resin spray technique improves the wear-resisting property and intensity on surface, improves sealing effect, prolongs the service life.100 structure of butterfly valve
Simply, easily manufactured, high production efficiency, and butterfly valve 100 seals surface intensity and greatly enhances, and sealing surface effect is good, service life
It is long.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model can have various changes, combination and variation.It is all the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of butterfly valve, which is characterized in that including butterfly plate, the periphery of the butterfly plate is equipped with bound edge part, and the bound edge part is described in
The outer edge contour of butterfly plate is arranged；
The butterfly plate is circumferentially with the first groove, and first groove is for installing first seal, the first seal
It is located between the butterfly plate and the bound edge part.
2. butterfly valve according to claim 1, which is characterized in that the bound edge part uses stainless steel band.
3. butterfly valve according to claim 2, which is characterized in that the stainless steel band by extrusion forming, and form with
The consistent shape of the outer profile of the butterfly plate is fastened with the butterfly plate.
4. butterfly valve according to claim 3, which is characterized in that the side of the butterfly plate is equipped with the first clamping portion, the butterfly
The other side of plate is equipped with the second clamping portion, and a side of the stainless steel band is caught in first clamping portion, the stainless steel band
Other side checkpost enter second clamping portion.
5. butterfly valve according to claim 4, which is characterized in that the butterfly plate include ring-shaped periphery, be oppositely arranged first
Surface and second surface, the ring-shaped periphery is between the first surface and the second surface；On the first surface
Equipped with first clamping portion, the second surface is equipped with second clamping portion.
6. butterfly valve according to claim 5, which is characterized in that the stainless steel band in a ring, is set in the annular week
On face, flanging is distinguished on the both sides of the stainless steel band, and a side edgefold is fastened on first clamping portion, and another side edgefold fastens
On second clamping portion.
7. butterfly valve according to claim 2, which is characterized in that the stainless steel band with a thickness of 1mm to 1.4mm.
8. a kind of butterfly valve, which is characterized in that including valve body and butterfly plate, the butterfly plate is mounted on the valve body；The butterfly plate
Periphery is equipped with bound edge part, and the bound edge part is arranged along the outer edge contour of the butterfly plate；The butterfly plate is circumferentially with the first groove,
For installing first seal, the first seal is located between the butterfly plate and the bound edge part first groove；
The bound edge part and the valve body contact.
9. butterfly valve according to claim 8, which is characterized in that offer the second groove on the valve body, described second is recessed
Second seal is installed, the second seal is contacted with the bound edge part in slot.
10. butterfly valve according to claim 9, which is characterized in that be filled with epoxy resin, the butterfly in second groove
Plate uses epoxy resin baking finish process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352123.1U CN208634410U (en) | 2018-08-21 | 2018-08-21 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821352123.1U CN208634410U (en) | 2018-08-21 | 2018-08-21 | Butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634410U true CN208634410U (en) | 2019-03-22 |
Family
ID=65742745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821352123.1U Active CN208634410U (en) | 2018-08-21 | 2018-08-21 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634410U (en) |
-
2018
- 2018-08-21 CN CN201821352123.1U patent/CN208634410U/en active Active
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| GR01 | Patent grant |