CN213479214U - Butterfly valve with high sealing performance - Google Patents
Butterfly valve with high sealing performance Download PDFInfo
- Publication number
- CN213479214U CN213479214U CN202021909917.0U CN202021909917U CN213479214U CN 213479214 U CN213479214 U CN 213479214U CN 202021909917 U CN202021909917 U CN 202021909917U CN 213479214 U CN213479214 U CN 213479214U
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- CN
- China
- Prior art keywords
- guide plate
- valve body
- connecting part
- sealing performance
- connecting portion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a butterfly valve that sealing performance is high, includes the valve body, and the butterfly plate is installed in the valve body its characterized in that: the outer ring wall of the valve body is provided with a connecting part, the connecting part is fixedly connected with the valve body, the connecting part comprises a connecting part body, a connecting part flange and a guide plate, an airflow channel is formed in the connecting part body, the connecting part flange is arranged on the connecting part body, the guide plate is arranged in the airflow channel, the guide plate comprises a first guide plate and a second guide plate which are obliquely arranged towards the valve body, and a guide channel is formed between the two guide plates. Set up the guide plate in connecting portion, the guide plate has the angle of downward sloping for gas can be more comprehensive forms gas-tight to the junction of valve body and butterfly plate, prevents to follow the opening and outwards spill before contacting the valve body surface, and sealed effect is better.
Description
Technical Field
The utility model relates to a butterfly valve, concretely relates to butterfly valve that sealing performance is high.
Background
The inside pipeline that leads to entirely of connecting portion on the traditional butterfly valve body, when the gaseous valve body conveying, gaseous can take place to leak.
Disclosure of Invention
In view of this, the utility model provides a butterfly valve that sealing performance is high.
In order to achieve the above object, the utility model provides a following technical scheme:
the butterfly valve with high sealing performance comprises a valve body, wherein a butterfly plate is installed in the valve body, a connecting portion is arranged on the outer annular wall of the valve body and fixedly connected with the valve body, the connecting portion comprises a connecting portion body, a connecting portion flange and a guide plate, an air flow channel is formed in the connecting portion body, the connecting portion flange is arranged on the connecting portion body, the guide plate is arranged in the air flow channel and comprises a first guide plate and a second guide plate which are arranged towards the valve body in an inclined mode, and a guide channel is formed between the two guide plates.
The preferred, the valve body both sides set up the beaded finish, the beaded finish is connected with the valve body and forms the annular, connecting portion are located the annular, first guide plate sets up with the second guide plate relatively, first guide plate all is semicircle form with the second guide plate, the circular arc one side of first guide plate and second guide plate and airflow channel's inner wall welded fastening.
Preferably, the first guide plate and the second guide plate divide the air flow channel into an upper guide plate cavity and a lower guide plate cavity, and the air flow channel is communicated with the upper guide plate cavity and the lower guide plate cavity.
Preferably, the first guide plate and the second guide plate are downwards inclined and fixed on the inner wall of the airflow channel, and the inclination angle of the first guide plate and the second guide plate is set between 45-70 degrees.
Preferably, the number of the guide plates is one, the guide plates are conical, each conical guide plate comprises a conical head end and a conical tail end, the conical head ends are provided with communication ports, the communication ports of the conical head ends face downwards, and the outer sides of the conical tail ends are welded and fixed with the inner wall of the chamber.
Preferably, the connecting portion body is cylindric, connecting portion body and valve body welded fastening, the lateral wall below of connecting portion body is equipped with the opening, the opening sets up two at least, opening and outside intercommunication.
Preferably, the connecting parts are four and are symmetrically distributed along the periphery of the valve body.
The beneficial effects of the utility model reside in that: set up the guide plate in connecting portion, the guide plate has the angle of downward sloping for gas can be more comprehensive forms gas-tight to the junction of valve body and butterfly plate, prevents to follow the opening and outwards spill before contacting the valve body surface, and sealed effect is better.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art mechanism;
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a schematic view of the connection portion of the present invention;
FIG. 4 is a front view of the connecting portion of the present invention;
FIG. 5 is a schematic view of a connecting portion according to another embodiment of the present invention;
FIG. 6 is a schematic view of a connecting portion according to another embodiment of the present invention;
FIG. 7 is a schematic view of the inside of the connecting portion of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The invention will be further described with reference to the accompanying drawings.
The utility model provides a following technical scheme:
as shown in fig. 2-6, the utility model discloses a butterfly valve that sealing performance is high, including valve body 9, install in valve body 9 butterfly plate (not shown), the outer rampart of valve body 9 sets up connecting portion 1, connecting portion 1 and valve body 9 fixed connection, connecting portion 1 includes connecting portion body 2, connecting portion ring flange 5 and guide plate, this internal airflow channel 17 that forms of connecting portion, connecting portion ring flange 8 sets up on the connecting portion body, the guide plate sets up in airflow channel 17, the guide plate includes first guide plate 10 and the second guide plate 11 that sets up towards the valve body slope, form the water conservancy diversion passageway between two guide plates.
Valve body both sides set up beaded finish 19, beaded finish 19 is connected with valve body 9 and forms the annular, connection site 1 is in the annular, first guide plate 10 sets up with second guide plate 11 relatively, first guide plate 10 all is half circular with second guide plate 11, first guide plate 10 and second guide plate 11's circular arc one side and airflow channel 17's inner wall welded fastening.
Referring to fig. 6, in another embodiment, the baffle 7 may further be configured as a first baffle 10, a second baffle 11, a third baffle 15, and a fourth baffle 16, one side of the first baffle 10 is connected to the second baffle 11, the other side of the second baffle 11 is connected to the third baffle 15, the other side of the third baffle 15 is connected to the fourth baffle 16, the other side of the fourth baffle 16 is connected to the first baffle 10, and one side of the second baffle 11 is connected to the first baffle 10, the second baffle 11, the third baffle 15, and the fourth baffle 16 are connected to form a cone bucket, a cone opening of the cone bucket faces downward, one side of the cone bucket far from the cone opening is welded and fixed to an inner wall of the chamber 17, and the baffle 7 is welded to the inner wall of the chamber 17 to ensure the air tightness between the baffle 7 and the chamber 17.
Specifically, first guide plate 10 and second guide plate 11 separate into guide plate upper chamber 13 and guide plate lower chamber 14 with cavity 17, be equipped with passageway 18 between first guide plate 10 and the second guide plate 11, passageway 18 intercommunication guide plate upper chamber 13 and guide plate lower chamber 14, gaseous guide plate lower chamber 14 is entered into through guide plate upper chamber 13, plays the water conservancy diversion effect to gas through the guide plate 7 of slope, and has increased gaseous velocity of flow.
Specifically, the baffle 7 downward sloping fix at cavity 17 inner wall, the angle setting of baffle 7 slope is between 45 ~ 70, and the baffle 7 that has inclination has the effect of water conservancy diversion, and the baffle 7 downward sloping makes the size of intercommunication mouth 12 diminish, and when gaseous entering into connecting portion, gaseous at the crossed air current of formation between first baffle and second baffle for gaseous even distribution prevents from revealing from the waste gas of effluvium in the butterfly plate on the valve body.
Referring to fig. 5, in another embodiment, the number of the flow deflectors 7 may also be one, the flow deflector 7 is conical, and the conical flow deflector 7 includes a cone end (not shown) and a cone tail end (not shown), the cone end is provided with a communication port 12, the communication port 12 of the cone end faces downward, and the outer side of the cone tail end is welded and fixed to the inner wall of the chamber 17.
The connecting portion body 2 is cylindric, connecting portion body 2 and valve body 9 welded fastening, the lateral wall below of connecting portion body 2 is equipped with opening 3, opening 3 sets up two at least, opening 3 and outside intercommunication, cylindric connecting portion body 2 can be more direct send out the valve body with gas with current crooked connecting portion 1, has improved gas transport's efficiency.
In order to improve the sealing effect, connecting portion 1 sets up four at least, connecting portion 1 corresponds the setting in 9 top both sides of valve body and 9 bottom both sides of valve body, just connecting portion 1 all is perpendicular to valve body 9. The distribution of air current after setting up like this is more even, can not appear unilateral or local because of the problem of revealing that air current pressure undersize arouses.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (7)
1. The utility model provides a butterfly valve that sealing performance is high, includes the valve body, and the butterfly plate is installed in the valve body, its characterized in that: the outer ring wall of the valve body is provided with a connecting part, the connecting part is fixedly connected with the valve body, the connecting part comprises a connecting part body, a connecting part flange and a guide plate, an airflow channel is formed in the connecting part body, the connecting part flange is arranged on the connecting part body, the guide plate is arranged in the airflow channel, the guide plate comprises a first guide plate and a second guide plate which are obliquely arranged towards the valve body, and a guide channel is formed between the two guide plates.
2. The butterfly valve with high sealing performance according to claim 1, wherein: the valve body both sides set up the beaded finish, the beaded finish is connected with the valve body and forms the annular, connecting portion are located the annular, first guide plate sets up with the second guide plate relatively, first guide plate all is semicircle form with the second guide plate, the circular arc one side of first guide plate and second guide plate and airflow channel's inner wall welded fastening.
3. The butterfly valve with high sealing performance according to claim 2, wherein: the first guide plate and the second guide plate divide an air flow channel into a guide plate upper cavity and a guide plate lower cavity, and the air flow channel is communicated with the guide plate upper cavity and the guide plate lower cavity.
4. The butterfly valve with high sealing performance according to claim 2, wherein: the first guide plate and the second guide plate are downwards inclined and fixed on the inner wall of the airflow channel, and the inclined angle of the first guide plate and the second guide plate is set between 45-70 degrees.
5. The butterfly valve with high sealing performance according to claim 1, wherein: the flow guide plate is arranged in one mode, the flow guide plate is conical, the conical flow guide plate comprises a cone head end and a cone tail end, a communication opening is formed in the cone head end, the communication opening in the cone head end faces downwards, and the outer side of the cone tail end is welded and fixed with the inner wall of the cavity.
6. The butterfly valve with high sealing performance according to claim 1, wherein: the connecting portion body is cylindric, connecting portion body and valve body welded fastening, the lateral wall below of connecting portion body is equipped with the opening, the opening sets up two at least, opening and outside intercommunication.
7. The butterfly valve with high sealing performance according to claim 1, wherein: the connecting portions are four and are symmetrically distributed along the periphery of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021909917.0U CN213479214U (en) | 2020-09-03 | 2020-09-03 | Butterfly valve with high sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021909917.0U CN213479214U (en) | 2020-09-03 | 2020-09-03 | Butterfly valve with high sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213479214U true CN213479214U (en) | 2021-06-18 |
Family
ID=76416796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021909917.0U Expired - Fee Related CN213479214U (en) | 2020-09-03 | 2020-09-03 | Butterfly valve with high sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213479214U (en) |
-
2020
- 2020-09-03 CN CN202021909917.0U patent/CN213479214U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210618 |