CN208982672U - A kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve - Google Patents
A kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve Download PDFInfo
- Publication number
- CN208982672U CN208982672U CN201821767293.6U CN201821767293U CN208982672U CN 208982672 U CN208982672 U CN 208982672U CN 201821767293 U CN201821767293 U CN 201821767293U CN 208982672 U CN208982672 U CN 208982672U
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- Prior art keywords
- butterfly
- valve body
- ring
- circle
- safe
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- 238000007789 sealing Methods 0.000 title claims description 37
- 229920002313 fluoropolymer Polymers 0.000 title claims description 17
- 239000004033 plastic Substances 0.000 claims description 16
- 238000004026 adhesive bonding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 description 5
- 230000002045 lasting effect Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of safe and reliable sealing structures of fluoroplastics lining butterfly valve, including upper valve body, lower valve body and butterfly plate, the upper valve body and the inner wall of lower valve body are equipped with butterfly circle, rubber ring is mounted between the butterfly circle and upper valve body and lower valve body, the inside of the upper valve body is installed by valve rod, the butterfly plate is installed on the side of valve rod, the outer surface of the butterfly plate and the inner surface of butterfly circle are spherical surface gluing, sealing, it is bonded between the butterfly plate and butterfly circle and plastic layer is installed, the side that the plastic layer closes on bearing is equipped with disc spring, the disc spring is equipped with thrust ring far from the side of bearing, the thrust ring is equipped with sealing ring far from the side of disc spring, the sealing ring is equipped with guide ring far from the side of thrust ring.The utility model is by way of disc spring, sealing ring, thrust ring and guide ring combine, the safe and reliable seal process of simple and convenient realization.
Description
Technical field
The utility model relates to valve technology field, the safe and reliable sealing knot of specially a kind of fluoroplastics lining butterfly valve
Structure.
Background technique
Fluoroplastics lining butterfly valve because its contour structures is simple, small in size, light-weight, material consumption saves, installation dimension is small, and
And driving moment it is small, can flow the advantages that adjusting, in industrial applications such as many chemical industry, food, medicine than wide, but butterfly valve phase
Leakproofness is bad for other valve types, the internal leakage and butterfly plate two axial ends being common between butterfly plate butterfly circle and butterfly circle
External leakage between upper and lower port, due in butterfly valve structure butterfly plate with butterfly circle it is difficult to ensure that up and down shaft end it is synchronous close with circumference
Feng Xing, in addition fluoroplastics have the characteristic of rising-heat contracting-cold in different operating condition use processes, fluoroplastics lining butterfly valve is all deposited for a long time
In some leakage quality problems and security risk, a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve is proposed thus, letter
Just the safe and reliable sealing of realization fluoroplastics lining butterfly valve.
Utility model content
It is simple and convenient the purpose of this utility model is to provide a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve
Increase seal security reliability, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of fluoroplastics lining butterfly valve is safe can
By sealing structure, including upper valve body, lower valve body and butterfly plate, the upper valve body and lower valve body are connected in closure, the upper valve body with
The inner wall of lower valve body is equipped with butterfly circle, and rubber ring, the upper valve body are mounted between the butterfly circle and upper valve body and lower valve body
Inside valve rod is installed, the butterfly plate is installed on the side of valve rod, and the outer surface of the butterfly plate and the inner surface of butterfly circle are spherical surface
Gluing, sealing is bonded between the butterfly plate and butterfly circle and is equipped with plastic layer, and the upper valve body and lower valve body close on the side of plastic layer
Portion passes through bearing and is rotatedly connected with butterfly plate, and the side that the plastic layer closes on bearing is equipped with disc spring, and the disc spring is far from axis
The side held is equipped with thrust ring, and the thrust ring is equipped with sealing ring far from the side of disc spring, and the sealing ring is far from thrust
The side of ring is equipped with guide ring, and the side of the guide ring and butterfly circle is affixed, and the side of the rubber ring and guide ring is affixed.
Preferably, the side of the upper valve body is equipped with handle, and the side of the handle is equipped with drive rod, the transmission
Bar is connected with valve rod.
Preferably, link block is installed, and the section of the handle is arranged in circular ring shape on the inside of the handle.
Preferably, the disc spring is belleville disc spring.
Preferably, the section of the thrust ring is arranged in circular ring shape, and the thrust ring is socketed on the outside of plastic layer.
Preferably, the guide ring close on butterfly circle side radian it is identical as the radian of butterfly circle.
Compared with prior art, the utility model has the beneficial effects that
1, by being spherical surface gluing, sealing by the inner surface of the outer surface of butterfly plate and butterfly circle, the contact surface of sealing surface is increased
Product plays the role of lasting seals, realizes initial sealing by rubber ring to certain elastic acting force is applied outside butterfly circle；
2, certain elastic acting force is applied by plastic layer outer surface of the sealing ring radial direction deformation to butterfly circle, plays and continues
Sealing function fits closely guide ring bottom surface and butterfly circle upper and lower end face by sealing ring axial deformation transmitting forces,
Play the role of lasting seals in use process, reaches safe and reliable sealing.
Detailed description of the invention
Fig. 1 is the overall structure front view of the utility model；
Fig. 2 is the overall structure side view of the utility model；
Fig. 3 is that part-structure faces partial enlarged view at A in Fig. 1；
Fig. 4 is part-structure side view partial enlarged view at B in Fig. 2.
In figure: 1 upper valve body, 2 lower valve bodies, 3 butterfly plates, 4 butterfly circles, 5 rubber rings, 6 valve rods, 7 plastic layers, 8 bearings, 9 disc springs,
10 thrust rings, 11 sealing rings, 12 guide rings, 13 handles, 14 drive rods, 15 link blocks.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.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.
Please refer to Fig. 1-4, the utility model provides a kind of technical solution: a kind of fluoroplastics lining butterfly valve use is safe and reliable close
Seal structure, including upper valve body 1, lower valve body 2 and butterfly plate 3, the upper valve body 1 and lower valve body 2 are connected in closure, the upper valve body 1
Butterfly circle 4 is installed with the inner wall of lower valve body 2, is mounted on rubber ring 5, rubber between the butterfly circle 4 and upper valve body 1 and lower valve body 2
Cushion rubber 5 is high resiliency high-temperature resistant rubber circle, and valve rod 6 is installed in the inside of the upper valve body 1, and the butterfly plate 3 is installed on valve rod 6
Side, the outer surface of the butterfly plate 3 and the inner surface of butterfly circle 4 are spherical surface gluing, sealing, are bonded between the butterfly plate 3 and butterfly circle 4
Plastic layer 7 is installed, the side that the upper valve body 1 and lower valve body 2 close on plastic layer 7 passes through bearing 8 and rotates phase with butterfly plate 3
Even, bearing 8 is self-lubricating bearing, adds and subtracts the frictional damping generated in few 3 operating process of butterfly plate, and the plastic layer 7 closes on bearing 8
Side disc spring 9 is installed, the disc spring 9 is equipped with thrust ring 10 far from the side of bearing 8, and the thrust ring 10 is far from disc spring
9 side is equipped with sealing ring 11, and the sealing ring 11 is equipped with guide ring 12, the guide ring far from the side of thrust ring 10
12 are affixed with the side of butterfly circle 4, and the side of the rubber ring 5 and guide ring 12 is affixed.
Specifically, the side of the upper valve body 1 is equipped with handle 13, the side of the handle 13 is equipped with drive rod 14,
The drive rod 14 is connected with valve rod 6, effective to realize that rising for butterfly plate 3 is closed, and facilitates operation.
Specifically, the inside of the handle 13 is equipped with link block 15, and the section of the handle 13 is set in circular ring shape
It sets, increases the intensity of handle 13, and facilitate rotational handle 13.
Specifically, the disc spring 9 is belleville disc spring, the control and conduction of comparison deflection are preferably realized, it is preferably real
Existing seal process.
Specifically, the section of the thrust ring 10 is arranged in circular ring shape, and the thrust ring 10 is socketed on plastic layer 7
Outside, it is convenient that guide ring 12 is pushed, guarantee the equilibrium of stress.
Specifically, the radian that the guide ring 12 closes on 4 side of butterfly circle is identical as the radian of butterfly circle 4, facilitate guide ring 12
Butterfly circle 4 is squeezed, guarantees preferable sealing.
Structural principle: in use, upper valve body 1 is installed together with the closure of lower valve body 2, by the outer surface of butterfly plate 3 and butterfly circle 4
Inner surface be spherical surface gluing, sealing, increase the contact area of sealing surface, it is certain to applying outside butterfly circle 4 by rubber ring 5
Elastic acting force, play the role of lasting seals, realize initial sealing, the inner surface of the plastic layer 7 at butterfly circle 4 and butterfly plate 3
7 outer surface of plastic layer at place is fitted close, and realizes radial seal, by the radial deformation of sealing ring 11 to the plastic layer 7 of butterfly circle 3 outside
Surface applies certain elastic acting force, makes 12 bottom surface of guide ring and butterfly circle by 11 axial deformation transmitting forces of sealing ring
4 upper and lower end faces fit closely, and the deformation of disc spring 9, thrust ring 10 and 12 pairs of guide ring generations is supported and is driven, and are using
Play the role of lasting seals in journey, reach safe and reliable sealing, effectively prevent leaking.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve, including upper valve body (1), lower valve body (2) and butterfly plate (3),
It is characterized by: the upper valve body (1) is connected with lower valve body (2) in closure, the inner wall of the upper valve body (1) and lower valve body (2)
It is equipped with butterfly circle (4), is mounted on rubber ring (5), the upper valve between the butterfly circle (4) and upper valve body (1) and lower valve body (2)
Valve rod (6) are installed in the inside of body (1), and the butterfly plate (3) is installed on the side of valve rod (6), the outer surface of the butterfly plate (3) and butterfly
The inner surface for enclosing (4) is spherical surface gluing, sealing, is bonded and is equipped with plastic layer (7) between the butterfly plate (3) and butterfly circle (4), described
The side that upper valve body (1) and lower valve body (2) close on plastic layer (7) passes through bearing (8) and is rotatedly connected with butterfly plate (3), the modeling
The side that the bed of material (7) closes on bearing (8) is equipped with disc spring (9), and the disc spring (9) is equipped with thrust far from the side of bearing (8)
Ring (10), the thrust ring (10) are equipped with sealing ring (11) far from the side of disc spring (9), and the sealing ring (11) is far from thrust
The side of ring (10) is equipped with guide ring (12), and the guide ring (12) and the side of butterfly circle (4) are affixed, the rubber ring (5)
It is affixed with the side of guide ring (12).
2. a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve according to claim 1, it is characterised in that: described
The side of upper valve body (1) is equipped with handle (13), and the side of the handle (13) is equipped with drive rod (14), the drive rod
(14) it is connected with valve rod (6).
3. a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve according to claim 2, it is characterised in that: described
It is equipped on the inside of handle (13) link block (15), and the section of the handle (13) is arranged in circular ring shape.
4. a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve according to claim 1, it is characterised in that: described
Disc spring (9) is belleville disc spring.
5. a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve according to claim 1, it is characterised in that: described
The section of thrust ring (10) is arranged in circular ring shape, and the thrust ring (10) is socketed on the outside of plastic layer (7).
6. a kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve according to claim 1, it is characterised in that: described
The radian that guide ring (12) closes on butterfly circle (4) side is identical as the radian of butterfly circle (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767293.6U CN208982672U (en) | 2018-10-30 | 2018-10-30 | A kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821767293.6U CN208982672U (en) | 2018-10-30 | 2018-10-30 | A kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208982672U true CN208982672U (en) | 2019-06-14 |
Family
ID=66789542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821767293.6U Active CN208982672U (en) | 2018-10-30 | 2018-10-30 | A kind of safe and reliable sealing structure of fluoroplastics lining butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208982672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928358A (en) * | 2023-07-25 | 2023-10-24 | 耐氟隆集团有限公司 | High-performance negative pressure-resistant lining butterfly valve |
-
2018
- 2018-10-30 CN CN201821767293.6U patent/CN208982672U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116928358A (en) * | 2023-07-25 | 2023-10-24 | 耐氟隆集团有限公司 | High-performance negative pressure-resistant lining butterfly valve |
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