CN215214793U - Welded triple eccentric hard seal butterfly valve - Google Patents
Welded triple eccentric hard seal butterfly valve Download PDFInfo
- Publication number
- CN215214793U CN215214793U CN202120772506.XU CN202120772506U CN215214793U CN 215214793 U CN215214793 U CN 215214793U CN 202120772506 U CN202120772506 U CN 202120772506U CN 215214793 U CN215214793 U CN 215214793U
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- Prior art keywords
- valve
- welded
- butterfly
- disk seat
- transmission
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- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000003466 welding Methods 0.000 claims abstract description 34
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 13
- 239000012530 fluid Substances 0.000 abstract description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of butterfly valves, in particular to a welded triple-eccentric hard seal butterfly valve, which comprises a valve seat, wherein a butterfly plate is arranged inside the valve seat, a movable shaft is arranged on the left side of the butterfly plate and is rotationally connected with the valve seat, a transmission bin is arranged at the top of the valve seat, and a transmission rod is arranged on the front side of the transmission bin; the utility model discloses a be equipped with sealing ring one, sealing ring two and gasket, the butterfly plate receives the fluid pressure effect when the valve is closed, make gasket and disk seat in close contact with, prevent that butterfly plate department from producing and leaking, through being equipped with flange piece and welding circle, with disk seat and pipeline welded fastening, compact structure between messenger's valve and the pipeline, avoid high temperature expansion to influence the sealed effect of valve, welding area between the flange piece can be enlarged in the welding hole, and then make welding effect improve, this design has changed the situation that three eccentric butterfly valve junctions receive the long-time effect of high temperature and easily produce the leakage, through welded fastening, the sealed effect of avoiding the valve receives the high temperature influence.
Description
Technical Field
The utility model relates to a butterfly valve technical field specifically is a three eccentric hard seal butterfly valves of welded type.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, can be used for the on-off control of low-pressure pipeline media, and is a valve which is opened and closed by rotating around a valve shaft by taking a closing member (a valve clack or a butterfly plate) as a disc, and has the characteristics of simple structure, convenient installation, flexible operation and the like. The butterfly valve is required to resist high temperature, must use hard seal, but has large leakage amount, must use soft seal, but does not resist high temperature, which is a contradiction of the butterfly valve, and in order to meet various working condition requirements, the butterfly valve is subjected to evolution from concentric to single eccentric and double eccentric to form a triple eccentric butterfly valve. The triple eccentric butterfly valve has the advantages of fire resistance, difficult leakage and high density.
The existing triple eccentric butterfly valve is mostly fixed through a flange plate and a bolt, when the triple eccentric butterfly valve is used in a high-temperature environment for a long time, the joint of the triple eccentric butterfly valve and a pipeline is easily affected by high temperature to deform, so that a gap is formed between the triple eccentric butterfly valve and the pipeline, and the pipeline is easily leaked to influence the safety of surrounding personnel. In view of the above, we propose a welded triple eccentric hard seal butterfly valve.
SUMMERY OF THE UTILITY MODEL
In order to make up for above not enough, the utility model provides a three eccentric hard seal butterfly valves of welded type.
The technical scheme of the utility model is that:
the utility model provides a three eccentric hard seal butterfly valves of welded type, includes the disk seat, the disk seat all is equipped with open-ended hollow structure for both ends, the internally mounted of disk seat has the butterfly plate, the left side of butterfly plate just is close to center department and is equipped with the connecting plate, connecting plate and butterfly plate integrated into one piece, be equipped with the loose axle on the connecting plate, the bottom and the disk seat of loose axle rotate to be connected, the disk seat is run through at the top of loose axle, and rotates with the disk seat to be connected, the top of disk seat and the outside that is located the butterfly plate are equipped with the transmission storehouse, transmission storehouse and butterfly plate welding, the front side in transmission storehouse is equipped with the transfer line, the transfer line runs through the transmission storehouse, and rotates with the transmission storehouse to be connected.
According to a preferable technical scheme, a first sealing ring and a second sealing ring are welded in the valve seat and on the outer side of the butterfly plate, and the first sealing ring is located on the front side of the second sealing ring.
As preferred technical scheme, the outside of butterfly plate is equipped with a plurality of evenly distributed's gasket, each the gasket all adopts the elasticity iron sheet to constitute, gasket and butterfly plate integrated into one piece, gasket and a sealing ring joint cooperation, the gasket cooperates with two joints of sealing ring.
As an optimized technical scheme, a bearing is arranged on the movable shaft and at the joint of the movable shaft and the valve seat, the outer ring of the bearing is fixedly connected with the valve seat, and the inner ring of the bearing is fixedly connected with the movable shaft.
As a preferred technical scheme, a first gear is arranged on the movable shaft and inside the transmission bin, a second gear is arranged on the transmission rod and inside the transmission bin, and the second gear is in meshing transmission with the first gear.
As preferred technical scheme, the top of loose axle is equipped with the spacing groove, spacing post is installed at the top in transmission storehouse, spacing post and transmission storehouse sliding connection, spacing post and spacing groove joint cooperation, the inside that just is located transmission storehouse on the spacing post is equipped with the baffle, baffle and spacing post integrated into one piece.
And as a preferable technical scheme, a handle is arranged at one end of the transmission rod, which is far away from the second gear, and the handle is welded with the transmission rod.
As the preferred technical scheme, the outside of disk seat just is close to left and right sides edge and all is equipped with the flange piece, flange piece and disk seat integrated into one piece, be equipped with a plurality of evenly distributed's welding hole on the flange piece, each the welding hole is circumference form evenly distributed.
According to the preferable technical scheme, welding rings are arranged on the left side and the right side of the valve seat, and the welding rings and the valve seat are integrally formed.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a be equipped with sealing ring one, sealing ring two and gasket, when the valve was closed, the butterfly plate received the fluid pressure effect, and gasket and sealing ring one and two contacts of sealing ring prevent that butterfly plate department from producing and leaking.
2. The utility model discloses a be equipped with transmission storehouse and transfer line, the transfer line rotates through the gear engagement transmission, can make the loose axle rotate to the convenience is controlled the butterfly plate, and spacing post can be to the butterfly plate restriction, and the butterfly plate receives fluid impact and produces the rotation when preventing that the valve from opening, conveniently controls fluidic flow.
3. The utility model discloses a be equipped with flange piece and welding circle, can make disk seat and pipeline welded fastening, make compact structure between valve and the pipeline, avoid high temperature expansion to influence the sealed effect of valve, can enlarge the welding area between the flange piece through the welding hole, and then make welding effect improve.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a schematic structural view of the valve seat of the present invention;
FIG. 4 is a schematic view of the internal structure of the valve seat of the present invention;
FIG. 5 is a schematic structural view of a middle butterfly plate according to the present invention;
fig. 6 is a schematic structural view of the middle limit post of the present invention.
In the figure: 1. a valve seat; 11. a first sealing ring; 12. a second sealing ring; 2. a butterfly plate; 21. a connecting plate; 22. a movable shaft; 23. Sealing the sheet; 24. a bearing; 25. a first gear; 26. a limiting groove; 3. a transmission bin; 31. a limiting column; 32. a baffle plate; 4. A transmission rod; 41. a second gear; 42. a handle; 5. a flange sheet; 51. welding the hole; 6. and (6) welding the ring.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the utility model provides a three eccentric hard seal butterfly valves of welded type, including disk seat 1, disk seat 1 all is equipped with open-ended hollow structure for both ends, disk seat 1's internally mounted has butterfly plate 2, the left side of butterfly plate 2 and be close to center department and be equipped with connecting plate 21, connecting plate 21 and 2 integrated into one piece of butterfly plate, be equipped with loose axle 22 on the connecting plate 21, the bottom and the disk seat 1 rotation of loose axle 22 are connected, disk seat 1 is run through at the top of loose axle 22, and rotate with disk seat 1 and be connected, disk seat 1's top and the outside that is located butterfly plate 2 are equipped with transmission storehouse 3, transmission storehouse 3 welds with butterfly plate 2, the front side in transmission storehouse 3 is equipped with transfer line 4, transfer line 4 runs through transmission storehouse 3, and rotate with transmission storehouse 3 and be connected.
The sealing structure is characterized in that a first sealing ring 11 and a second sealing ring 12 are welded in the valve seat 1 and on the outer side of the butterfly plate 2, the first sealing ring 11 is located on the front side of the second sealing ring 12, and the first sealing ring 11 and the second sealing ring 12 are conveniently attached to the butterfly plate 2, so that the butterfly plate 2 is sealed, and leakage is prevented.
As the preferred of this embodiment, the outside of butterfly plate 2 is equipped with a plurality of evenly distributed's gasket 23, each gasket 23 all adopts the elasticity iron sheet to constitute, can prevent that gasket 23 from producing the deformation when sealed, thereby guarantee sealed effect, gasket 23 and butterfly plate 2 integrated into one piece, gasket 23 and the cooperation of the first 11 joint of sealing ring, gasket 23 and the cooperation of two 12 joints of sealing ring, during gasket 23 and the contact of first 11 and two 12 of sealing ring, receive fluid pressure effect, make contact surface in close contact with, thereby can make butterfly plate 2 department sealed.
Preferably, the movable shaft 22 is provided with a bearing 24 at an interface between the movable shaft 22 and the valve seat 1, an outer ring of the bearing 24 is fixedly connected with the valve seat 1, an inner ring of the bearing 24 is fixedly connected with the movable shaft 22, the movable shaft 22 can conveniently rotate on the valve seat 1 through the bearing 24, and abrasion of the valve seat 1 is reduced.
Preferably, a first gear 25 is mounted on the movable shaft 22 and located inside the transmission bin 3, a second gear 41 is mounted on the transmission rod 4 and located inside the transmission bin 3, the second gear 41 is in meshing transmission with the first gear 25, and the transmission rod 4 rotates to enable the movable shaft 22 to rotate through the first gear 25 and the second gear 41, so that the rotation of the butterfly plate 2 is conveniently controlled.
It is worth to say that, the top of loose axle 22 is equipped with spacing groove 26, spacing post 31 is installed at the top of transmission storehouse 3, spacing post 31 and transmission storehouse 3 sliding connection, spacing post 31 and spacing groove 26 joint cooperation, spacing post 31 plays the limiting displacement to loose axle 22, can prevent that when the valve is opened, butterfly plate 2 from receiving the fluid impact and producing the rotation, the inside that just is located transmission storehouse 3 on the spacing post 31 is equipped with baffle 32, baffle 32 and spacing post 31 integrated into one piece, baffle 32 can prevent that spacing post 31 from breaking away from transmission storehouse 3.
Preferably, a handle 42 is arranged at one end of the transmission rod 4 away from the second gear 41, the handle 42 is welded with the transmission rod 4, and the rotation of the transmission rod 4 is conveniently controlled through the handle 42.
As the preferred of this embodiment, the outside of disk seat 1 and be close to left and right sides edge and all be equipped with flange piece 5, flange piece 5 and disk seat 1 integrated into one piece are equipped with a plurality of evenly distributed's welding hole 51 on the flange piece 5, and each welding hole 51 is circumference form evenly distributed, makes things convenient for through flange piece 5 to weld between disk seat 1 and the pipeline, through the face of weld of welding hole 51 multiplicable flange piece 5, improves the welding effect.
In the specific use, the left and right sides of disk seat 1 all is equipped with welding circle 6, welding circle 6 and disk seat 1 integrated into one piece, and welding circle 6 can insert inside the pipeline, increases welding area of welding circle 6 and disk seat 1 to compact structure between messenger's valve and the pipeline avoids high temperature expansion to influence the sealed effect of valve.
The utility model discloses a welded type triple offset butterfly valve sealed firmly is when using, insert welding ring 6 inside the pipeline, will weld ring 6 and pipeline welding, with the interface welding of flange piece 5 and pipeline flange, weld flange piece 5 once more at welding hole 51 department, increase the welding area between valve seat 1 and the pipeline, make valve seat 1 weld on the pipeline, twist grip 42 drives transfer line 4 and rotates, transfer line 4 drives gear two 41 and rotates, gear two 41 and gear one 25 mesh transmission, make loose axle 22 rotate, loose axle 22 rotates and drives butterfly plate 2 and rotate, make the valve open, press spacing post 31 downwards, make spacing post 31 and spacing groove 26 joint, prevent that loose axle 22 from producing and rotating; when the valve is closed, the limiting column 31 is pulled upwards, the limiting column 31 is separated from the limiting groove 26, the handle 42 is rotated, the transmission rod 4 is made to drive the movable shaft 22 to rotate, the butterfly plate 2 rotates along with the movable shaft 22, the sealing piece 23 is in contact with the first sealing ring 11 and the second sealing ring 12, the butterfly plate 2 is acted by fluid pressure, the sealing piece 23 and the valve seat 1 are completely sealed, the three-eccentric-center butterfly valve can be welded to a pipeline in the mode, the structure between the valve and the pipeline is compact, the sealing effect of the valve is prevented from being influenced by high-temperature expansion, and the requirement of a welded three-eccentric-center hard-sealed butterfly valve is met.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a three eccentric hard seal butterfly valves of welded type, includes disk seat (1), its characterized in that: disk seat (1) all is equipped with open-ended hollow structure for both ends, the internally mounted of disk seat (1) has butterfly board (2), the left side of butterfly board (2) just is close to center department and is equipped with connecting plate (21), connecting plate (21) and butterfly board (2) integrated into one piece, be equipped with loose axle (22) on connecting plate (21), the bottom and disk seat (1) of loose axle (22) rotate to be connected, disk seat (1) is run through at the top of loose axle (22), and rotates with disk seat (1) and be connected, the top of disk seat (1) and the outside that is located butterfly board (2) are equipped with transmission storehouse (3), transmission storehouse (3) and butterfly board (2) welding, the front side in transmission storehouse (3) is equipped with transfer line (4), transfer line (4) run through transmission storehouse (3), and rotate with transmission storehouse (3) and be connected.
2. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: the butterfly valve is characterized in that a first sealing ring (11) and a second sealing ring (12) are welded in the valve seat (1) and on the outer side of the butterfly plate (2), and the first sealing ring (11) is located on the front side of the second sealing ring (12).
3. The welded triple eccentric hard seal butterfly valve of claim 2, wherein: the outside of butterfly plate (2) is equipped with a plurality of evenly distributed's gasket (23), each gasket (23) all adopt the elasticity iron sheet to constitute, gasket (23) and butterfly plate (2) integrated into one piece, gasket (23) and sealing ring (11) joint cooperation, gasket (23) and two (12) joint cooperations of sealing ring.
4. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: the movable shaft (22) is provided with a bearing (24) at the joint between the movable shaft (22) and the valve seat (1), the outer ring of the bearing (24) is fixedly connected with the valve seat (1), and the inner ring of the bearing (24) is fixedly connected with the movable shaft (22).
5. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: the movable shaft (22) is provided with a first gear (25) inside the transmission bin (3), the transmission rod (4) is provided with a second gear (41) inside the transmission bin (3), and the second gear (41) is in meshing transmission with the first gear (25).
6. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: the top of loose axle (22) is equipped with spacing groove (26), spacing post (31) are installed at the top in transmission storehouse (3), spacing post (31) and transmission storehouse (3) sliding connection, spacing post (31) and spacing groove (26) joint cooperation, the inside that just is located transmission storehouse (3) on spacing post (31) is equipped with baffle (32), baffle (32) and spacing post (31) integrated into one piece.
7. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: and a handle (42) is arranged at one end of the transmission rod (4) far away from the second gear (41), and the handle (42) is welded with the transmission rod (4).
8. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: the outside of disk seat (1) and be close to left and right sides edge and all be equipped with flange piece (5), flange piece (5) and disk seat (1) integrated into one piece, be equipped with a plurality of evenly distributed's welding hole (51) on flange piece (5), each welding hole (51) are circumference form evenly distributed.
9. The welded triple eccentric hard seal butterfly valve of claim 1, wherein: the left and right sides of disk seat (1) all is equipped with welding ring (6), welding ring (6) and disk seat (1) integrated into one piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120772506.XU CN215214793U (en) | 2021-04-15 | 2021-04-15 | Welded triple eccentric hard seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120772506.XU CN215214793U (en) | 2021-04-15 | 2021-04-15 | Welded triple eccentric hard seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215214793U true CN215214793U (en) | 2021-12-17 |
Family
ID=79447042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120772506.XU Expired - Fee Related CN215214793U (en) | 2021-04-15 | 2021-04-15 | Welded triple eccentric hard seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215214793U (en) |
-
2021
- 2021-04-15 CN CN202120772506.XU patent/CN215214793U/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 |
Granted publication date: 20211217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |