CN214579004U - Double-eccentric soft sealing butterfly valve with spherical lower valve rod end face - Google Patents
Double-eccentric soft sealing butterfly valve with spherical lower valve rod end face Download PDFInfo
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- CN214579004U CN214579004U CN202120557408.4U CN202120557408U CN214579004U CN 214579004 U CN214579004 U CN 214579004U CN 202120557408 U CN202120557408 U CN 202120557408U CN 214579004 U CN214579004 U CN 214579004U
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Abstract
The utility model relates to a two eccentric soft seal butterfly valves that lower valve rod terminal surface is spherical, it includes the valve body, the valve body both ends are provided with interface channel, valve body upper portion is provided with the twist grip, the twist grip below is provided with the valve rod, upper valve rod bottom fixedly connected with upper hemisphere, upper hemisphere one side is provided with the valve plate, be provided with the lower hemisphere under the upper hemisphere, be provided with the lower valve rod on the lower hemisphere, the lower valve rod rotates and sets up in the valve body bottom, the valve body is inside to be provided with the stopper, the stopper symmetry sets up in valve body upper and lower both sides, be provided with spacing recess on the stopper, be provided with the sealed pad inside the spacing recess, stopper below and upper hemisphere contact, upper hemisphere edge is provided with the arc draw-in groove, the arc draw-in groove wants to match with the stopper, be provided with the lug above the valve plate, also be provided with the sealed pad on the lug, the lug matches with spacing recess structure; the utility model has the advantages of good sealing effect, good sealing of the contact position and reasonable structure.
Description
Technical Field
The utility model relates to the technical field of valves, concretely relates to lower valve rod terminal surface is spherical two eccentric soft seal butterfly valves.
Background
The existing upper-mounted fixed ball valve has the advantages that the upper valve rod and the lower valve rod are positioned by adopting shaft sleeves, the ball cannot deviate after being mounted during assembly, a valve seat on the side of the ball needs to retreat firstly and then move forward to be close to the surface of the ball for sealing when being mounted, the space required by the retreat of the valve seat is filled by a wedge block behind the valve seat, and the wedge block needs to forcibly extrude the valve seat when being mounted, so that the sealing surface of the valve seat is easily extruded to cause valve leakage or the service life of the valve is reduced. In addition, because the upper and lower valve rods are mostly adopted for positioning in the prior art, the area of the adopted valve plate is overlarge, the sealing performance of the contact part of the valve plate and the valve body cannot be ensured, and the valve plate is overlarge, so that the sealing is not easy to realize in the rotating process; therefore, it is very necessary to provide a double-eccentric soft seal butterfly valve with spherical lower valve rod end surface, which has good connection sealing effect, good contact position sealing and reasonable structure.
Disclosure of Invention
The utility model aims at overcoming the not enough of prior art, and provide a lower valve rod terminal surface that connection seal is effectual, the contact position is sealed good, rational in infrastructure is spherical two eccentric soft seal butterfly valve.
The purpose of the utility model is realized like this: a double-eccentric soft sealing butterfly valve with spherical lower valve rod end face comprises a valve body, connecting channels are arranged at two ends of the valve body, a rotating handle is arranged at the upper portion of the valve body, an upper valve rod is arranged below the rotating handle, an upper hemisphere is fixedly connected to the bottom of the upper valve rod, a valve plate is arranged on one side of the upper hemisphere, a lower hemisphere is arranged right below the upper hemisphere, a lower valve rod is arranged on the lower hemisphere, the lower valve rod is rotatably arranged at the bottom of the valve body, a limiting block is arranged inside the valve body and symmetrically arranged on the upper side and the lower side of the valve body, a limiting groove is arranged on the limiting block, a sealing gasket is arranged inside the limiting groove, the lower portion of the limiting block is in contact with the upper hemisphere, an arc-shaped clamping groove is arranged at the edge of the upper hemisphere, the arc-shaped clamping groove is matched with the limiting block, and a convex block is arranged above the valve plate, and a sealing gasket is also arranged on the convex block, and the convex block is matched with the limiting groove structure.
The arc draw-in groove on the episphere is the right angle groove, and the right angle groove contacts with the right angle limit of stopper below, and the episphere can rotate below the stopper.
The internal structure of the valve body is arranged up and down symmetrically, and the structures of the upper hemisphere and the lower hemisphere are consistent.
The sealing gasket is arranged in the limiting groove and on the side wall of the bump respectively, the side wall of the bump is in contact with the inner wall of the limiting groove, and the sealing gasket is in contact with the sealing gasket to form a sealing environment.
The valve plate is an arc-shaped plate, and the arc degree is consistent with that of the hemisphere.
The utility model has the advantages that: the utility model discloses a position at upper and lower valve rod sets up the hemisphere, the structure of episphere and lower hemisphere is unanimous, connect through the valve plate between the two, rotate the episphere and can drive the lower hemisphere and rotate, play the effect of control duct break-make, the episphere is provided with the lug of valve plate with stopper contact department, be provided with sealed the pad on the lug, can guarantee the inside sealed effect, stopper and episphere contact department are provided with the arc draw-in groove, can guarantee that the episphere contacts with the stopper always in the rotation process, thereby further realize inside sealed; the utility model has the advantages of good connecting and sealing effect and convenient installation.
Drawings
Fig. 1 is a schematic view of the internal structure of the valve body of the present invention.
Fig. 2 is a schematic view of the connection structure of the upper hemisphere and the limiting block of the present invention.
Fig. 3 is the utility model discloses stopper and valve plate set up the structural schematic diagram.
In the figure, the valve body 1, the valve body 2, the rotating handle 3, the upper valve rod 4, the upper hemisphere 6, the lower hemisphere 7, the valve plate 8, the connecting channel 9, the limiting block 10, the limiting groove 11, the sealing gasket 12, the arc-shaped clamping groove 13 and the convex block are arranged.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-3, a double eccentric soft seal butterfly valve with spherical lower valve rod end surface comprises a valve body 1, wherein two ends of the valve body 1 are provided with connecting channels 8, the upper portion of the valve body 1 is provided with a rotating handle 2, an upper valve rod 3 is arranged below the rotating handle 2, the bottom of the upper valve rod 3 is fixedly connected with an upper hemisphere 4, one side of the upper hemisphere 4 is provided with a valve plate 7, a lower hemisphere 6 is arranged right below the upper hemisphere 4, a lower valve rod is arranged on the lower hemisphere 6, the lower valve rod is rotatably arranged at the bottom of the valve body 1, a limiting block 9 is arranged inside the valve body 1, the limiting blocks 9 are symmetrically arranged at the upper side and the lower side of the valve body 1, a limiting groove 10 is arranged on the limiting block 9, a sealing gasket 11 is arranged inside the limiting groove 10, the lower portion of the limiting block 9 is in contact with the upper hemisphere 4, an arc-shaped clamping groove 12 is arranged at the edge of the upper hemisphere 4, the arc-shaped clamping groove 12 is matched with the limiting block 9, a convex block 13 is arranged above the valve plate 7, a sealing gasket 11 is also arranged on the convex block 13, and the convex block 13 is matched with the limiting groove 10 in structure.
The utility model discloses a position at upper and lower valve rod sets up the hemisphere, the structure of upper hemisphere 4 and lower hemisphere 6 is unanimous, connect through valve plate 7 between the two, rotate upper hemisphere 4 and can drive lower hemisphere 6 and rotate, play the effect of control pipeline break-make, upper hemisphere 4 is provided with lug 13 of valve plate 7 with stopper 9 contact department, be provided with sealed pad 11 on lug 13, can guarantee the inside sealed effect, stopper 9 is provided with arc draw-in groove 12 with upper hemisphere 4 contact department, can guarantee upper hemisphere 4 in the rotation process, contact with stopper 9 always, thereby further realize the inside sealed; the utility model has the advantages of good connecting and sealing effect and convenient installation.
Example 2
As shown in fig. 1-3, a double eccentric soft seal butterfly valve with spherical lower valve rod end surface comprises a valve body 1, wherein two ends of the valve body 1 are provided with connecting channels 8, the upper portion of the valve body 1 is provided with a rotating handle 2, an upper valve rod 3 is arranged below the rotating handle 2, the bottom of the upper valve rod 3 is fixedly connected with an upper hemisphere 4, one side of the upper hemisphere 4 is provided with a valve plate 7, a lower hemisphere 6 is arranged right below the upper hemisphere 4, a lower valve rod is arranged on the lower hemisphere 6, the lower valve rod is rotatably arranged at the bottom of the valve body 1, a limiting block 9 is arranged inside the valve body 1, the limiting blocks 9 are symmetrically arranged at the upper side and the lower side of the valve body 1, a limiting groove 10 is arranged on the limiting block 9, a sealing gasket 11 is arranged inside the limiting groove 10, the lower portion of the limiting block 9 is in contact with the upper hemisphere 4, an arc-shaped clamping groove 12 is arranged at the edge of the upper hemisphere 4, the arc-shaped clamping groove 12 is matched with the limiting block 9, a convex block 13 is arranged above the valve plate 7, a sealing gasket 11 is also arranged on the convex block 13, and the convex block 13 is matched with the limiting groove 10 in structure.
Arc draw-in groove 12 on last hemisphere 4 is the right angle groove, the right angle side contact of right angle groove and stopper 9 below, and last hemisphere 4 can rotate in stopper 9 below, the internal structure longitudinal symmetry of valve body 1 sets up, the structure of last hemisphere 4 and lower hemisphere 6 is unanimous, sealed pad 11 sets up respectively in spacing recess 10 and on the lateral wall of lug 13, the lateral wall of lug 13 contacts with the inner wall of spacing recess 10, sealed pad 11 contacts with sealed pad 11, form sealed environment, valve plate 7 is the arc, the radian keeps unanimous with the hemisphere.
The utility model discloses a position at upper and lower valve rod sets up the hemisphere, the structure of upper hemisphere 4 and lower hemisphere 6 is unanimous, connect through valve plate 7 between the two, rotate upper hemisphere 4 and can drive lower hemisphere 6 and rotate, play the effect of control pipeline break-make, upper hemisphere 4 is provided with lug 13 of valve plate 7 with stopper 9 contact department, be provided with sealed pad 11 on lug 13, can guarantee the inside sealed effect, stopper 9 is provided with arc draw-in groove 12 with upper hemisphere 4 contact department, can guarantee upper hemisphere 4 in the rotation process, contact with stopper 9 always, thereby further realize the inside sealed; the utility model has the advantages of good connecting and sealing effect and convenient installation.
Claims (5)
1. The utility model provides a lower valve rod terminal surface is spherical two off-center soft seal butterfly valve, it includes the valve body, its characterized in that: two ends of the valve body are provided with connecting channels, the upper part of the valve body is provided with a rotating handle, an upper valve rod is arranged below the rotating handle, the bottom of the upper valve rod is fixedly connected with an upper hemisphere, one side of the upper hemisphere is provided with a valve plate, a lower hemisphere is arranged right below the upper hemisphere, a lower valve rod is arranged on the lower hemisphere, the lower valve rod is rotatably arranged at the bottom of the valve body, the inside of the valve body is provided with limit blocks which are symmetrically arranged at the upper side and the lower side of the valve body, the limiting block is provided with a limiting groove, a sealing gasket is arranged in the limiting groove, the lower part of the limiting block is contacted with the upper hemisphere, the edge of the upper hemisphere is provided with an arc-shaped clamping groove, the arc-shaped clamping groove is matched with the limiting block, a convex block is arranged above the valve plate, a sealing gasket is also arranged on the convex block, and the convex block is matched with the limiting groove structure.
2. The double-eccentric soft seal butterfly valve with the spherical lower valve rod end face according to claim 1, wherein: arc draw-in groove on the episphere is the right angle groove, and the right angle groove contacts with the right angle limit of stopper below, and the episphere can rotate below the stopper.
3. The double-eccentric soft seal butterfly valve with the spherical lower valve rod end face according to claim 1, wherein: the internal structure of the valve body is arranged in an up-down symmetrical mode, and the structures of the upper hemisphere and the lower hemisphere are consistent.
4. The double-eccentric soft seal butterfly valve with the spherical lower valve rod end face according to claim 1, wherein: the sealing gaskets are respectively arranged in the limiting grooves and on the side walls of the convex blocks, the side walls of the convex blocks are in contact with the inner walls of the limiting grooves, and the sealing gaskets are in contact with the sealing gaskets to form a sealing environment.
5. The double-eccentric soft seal butterfly valve with the spherical lower valve rod end face according to claim 1, wherein: the valve plate is an arc-shaped plate, and the arc degree is consistent with that of the hemisphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120557408.4U CN214579004U (en) | 2021-03-18 | 2021-03-18 | Double-eccentric soft sealing butterfly valve with spherical lower valve rod end face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120557408.4U CN214579004U (en) | 2021-03-18 | 2021-03-18 | Double-eccentric soft sealing butterfly valve with spherical lower valve rod end face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214579004U true CN214579004U (en) | 2021-11-02 |
Family
ID=78320456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120557408.4U Active CN214579004U (en) | 2021-03-18 | 2021-03-18 | Double-eccentric soft sealing butterfly valve with spherical lower valve rod end face |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214579004U (en) |
-
2021
- 2021-03-18 CN CN202120557408.4U patent/CN214579004U/en active Active
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