CN216812886U - Leakage-proof six-eccentric full-metal hard seal butterfly valve - Google Patents
Leakage-proof six-eccentric full-metal hard seal butterfly valve Download PDFInfo
- Publication number
- CN216812886U CN216812886U CN202220156205.9U CN202220156205U CN216812886U CN 216812886 U CN216812886 U CN 216812886U CN 202220156205 U CN202220156205 U CN 202220156205U CN 216812886 U CN216812886 U CN 216812886U
- Authority
- CN
- China
- Prior art keywords
- valve
- seat
- adjusting bolt
- plate
- valve body
- Prior art date
- 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.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model relates to the technical field of butterfly valves and discloses a leakage-proof six-eccentric center all-metal hard seal butterfly valve which comprises a valve body, wherein a fixed seat is arranged at the top of the valve body, a transmission seat is arranged at the top of the fixed seat, a hand wheel is arranged at the left end of an input shaft in the transmission seat, a valve rod is arranged in the valve body, and the top end of the valve rod is fixedly connected with the bottom end of an output shaft in the transmission seat. This prevent six eccentric all-metal hard seal butterfly valves of leakage, through the valve body, a fixed base, the valve rod, the hand wheel, the valve plate, first shifting groove, first positioning seat, the second positioning seat, first adjusting bolt, second adjusting bolt, first positioning ring, first closing plate, the second positioning ring, the second closing plate, the second shifting groove, mutually support between transmission seat and the coupling mechanism, reached and reduced disk seat inner seal circle wear rate, extension sealing washer life's effect, the problem of the valve plate problem that can accelerate disk seat inner seal circle wearing and tearing that opens and shuts repeatedly has been solved.
Description
Technical Field
The utility model relates to the technical field of butterfly valves, in particular to a leakage-proof six-eccentric center all-metal hard seal butterfly valve.
Background
The butterfly valve is also called flap valve, it is a simple regulating valve, it can be used for on-off control of low-pressure pipeline medium, and said valve can be used for controlling the flow of various fluids of air, water, steam, various corrosive media, slurry, oil product, liquid metal and radioactive medium, etc. and mainly has the functions of cutting off and throttling on the pipeline, and its opening and closing piece is a disk-shaped butterfly plate, and can be rotated around its self axis in the valve body so as to attain the goal of opening and closing or regulating.
The six-eccentric all-metal bidirectional pressure butterfly valve in the market at present mainly improves the sealing performance between the valve plate and the valve seat and the strength of the valve plate, for example, a six-eccentric all-metal bidirectional pressure butterfly valve disclosed in chinese patent CN214946455U has the advantages of good sealing performance and high strength of the valve plate, but in the actual use process, frequent rotation of the valve plate can cause repeated friction between the edge of the valve plate and the inner sealing ring of the valve seat, thereby accelerating the abrasion of the valve plate and the sealing ring of the valve seat, and therefore a leakage-proof six-eccentric all-metal hard sealing butterfly valve needs to be provided to solve the problem.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a leakage-proof six-eccentric all-metal hard seal butterfly valve which has the advantages of reducing the abrasion rate of a seal ring in a valve seat and prolonging the service life of the seal ring, and solves the problem that the abrasion of the seal ring in the valve seat is accelerated by repeatedly opening and closing a valve plate.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a leakage-proof six-eccentric all-metal hard seal butterfly valve comprises a valve body, wherein a fixed seat is arranged at the top of the valve body, a transmission seat is arranged at the top of the fixed seat, a hand wheel is arranged at the left end of an input shaft in the transmission seat, a valve rod is arranged in the valve body, the top end of the valve rod is fixedly connected with the bottom end of an output shaft in the transmission seat, the valve rod is connected with a valve plate through a connecting mechanism, a first moving groove and a second moving groove are formed in the valve body, a first positioning seat is arranged at the left side of the valve body, a first adjusting bolt is arranged in the first positioning seat, the first adjusting bolt is connected with a first sealing plate through a first positioning ring, the first sealing plate is positioned in the first moving groove, a second positioning seat is arranged at the right side of the valve body, and a second adjusting bolt is arranged in the second positioning seat, the second adjusting bolt is connected with a second sealing plate through a second positioning ring, and the second sealing plate is located inside the second moving groove.
Preferably, a first threaded hole is formed in the first positioning seat, the side surface of the first adjusting bolt is in threaded connection with the inside of the first threaded hole, a second threaded hole is formed in the second positioning seat, the side surface of the second adjusting bolt is in threaded connection with the inside of the second threaded hole, and under the combined action of the corresponding adjusting bolt, the threaded hole and the moving groove, the first sealing plate and the second sealing plate can move along the axial direction of the adjusting bolt, so that the relative position of the sealing plates can be adjusted.
Preferably, the first adjusting bolt is fixedly connected with the inside of the first positioning ring on the side surface of the first adjusting bolt, the first rotating groove is formed in the first sealing plate, the first positioning ring is located in the first rotating groove, the side surface of the second adjusting bolt is fixedly connected with the inside of the second positioning ring, the second rotating groove is formed in the second sealing plate, the second positioning ring is located in the second rotating groove, and under the combined action of the positioning ring and the rotating groove, the adjusting bolt and the sealing plate can only rotate relatively, so that the effect of preventing the adjusting bolt from being separated from the sealing plate is achieved.
Preferably, both sides around the first closing plate and both sides around the second closing plate all are provided with the sealing washer, when the valve plate was closed, after first closing plate and second closing plate stretched out completely, the sealing washer can support with the side of butterfly valve and hold to the effect of reinforcing leakproofness between valve plate and the valve body has been played.
Preferably, the size radius of the first sealing plate is completely the same as that of the second sealing plate, and the radius corresponding to the inner ring of the first sealing plate is smaller than that of the valve plate, so that the edge of the valve plate can be completely surrounded inside the sealing plate, and the risk of leakage is reduced.
Preferably, the left end of first adjusting bolt and the right-hand member of second adjusting bolt all are provided with the knob, and the user can be convenient twist through the knob and move the adjusting bolt who corresponds to the effect of being convenient for drive adjusting bolt pivoted has been played.
Compared with the prior art, the utility model provides a leakage-proof six-eccentric center all-metal hard seal butterfly valve, which has the following beneficial effects:
1. this prevent six eccentric full metal hard seal butterfly valves of leakage, through the valve body, a fixed base, the valve rod, the hand wheel, the valve plate, first shifting chute, first positioning seat, the second positioning seat, first adjusting bolt, second adjusting bolt, first retaining ring, first closing plate, the second retaining ring, the second closing plate, the second shifting chute, mutually support between transmission seat and the coupling mechanism, reached and reduced disk seat inner seal circle wear rate, extension sealing washer life's effect, the problem of disk seat inner seal circle wearing and tearing can accelerate is solved to the valve plate and opens and shuts repeatedly.
2. This prevent six eccentric full metal hard seal butterfly valves of leakage, through the valve body, a fixed base, the valve rod, the hand wheel, the valve plate, first shifting chute, first positioning seat, the second positioning seat, first adjusting bolt, second adjusting bolt, first positioning ring, first closing plate, the second positioning ring, the second closing plate, the second shifting chute, the transmission seat, mutually support between coupling mechanism and the sealing washer, the fixed effect of supplementary valve plate has been reached, it is too big to solve when the valve plate pressurized, the skew can take place for the valve plate, thereby lead to the problem that the butterfly valve leaked.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a schematic diagram of a first sealing plate structure according to the present invention;
FIG. 3 is a front view of the present invention;
fig. 4 is a rear view of the present invention.
Wherein: 1. a valve body; 2. a fixed seat; 3. a valve stem; 4. a hand wheel; 5. a valve plate; 6. a first moving slot; 7. a first positioning seat; 8. a second positioning seat; 9. a first adjusting bolt; 10. a second adjusting bolt; 11. a first positioning ring; 12. a first sealing plate; 13. a second positioning ring; 14. a second sealing plate; 15. A second moving slot; 16. a transmission seat; 17. a connecting mechanism; 18. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a leakage-proof six-eccentric all-metal hard seal butterfly valve comprises a valve body 1, a fixed seat 2 is arranged at the top of the valve body 1, a transmission seat 16 is arranged at the top of the fixed seat 2, the transmission seat 16 is a direction-changing transmission mechanism, a gear, a rod and other components arranged in the transmission seat can change the normal direction of force, a hand wheel 4 is arranged at the left end of an input shaft in the transmission seat 16, a valve rod 3 is arranged in the valve body 1, the top end of the valve rod 3 is fixedly connected with the bottom end of an output shaft in the transmission seat 16, the valve rod 3 is connected with a valve plate 5 through a connecting mechanism 17, the radius of the valve plate 5 is smaller than the inner diameter of the valve body 1, but the side surface of the valve plate 5 is attached to the inner wall of the valve body 1, sealing rubber rings are arranged at corresponding positions on the side surface of the valve plate 5 and the inner wall of the valve body 1, a first moving groove 6 and a second moving groove 15 are arranged in the valve body 1, the left side of the valve body 1 is provided with a first positioning seat 7, a first adjusting bolt 9 is arranged inside the first positioning seat 7, a first threaded hole is formed inside the first positioning seat 7, the side surface of the first adjusting bolt 9 is in threaded connection with the inside of the first threaded hole, the first adjusting bolt 9 is connected with a first sealing plate 12 through a first positioning ring 11, the side surface of the first adjusting bolt 9 is fixedly connected with the inside of the first positioning ring 11, the axial center line of the first positioning ring 11 is collinear with the axial center line of the first adjusting bolt 9, a first rotating groove is formed inside the first sealing plate 12, the first positioning ring 11 is positioned inside the first rotating groove, the first sealing plate 12 is positioned inside the first moving groove 6, the number of the first moving grooves 6 is two, the first moving grooves are symmetrically distributed by taking the center line of the valve plate 5 as a symmetric axis, one first sealing plate 12 is arranged inside each first moving groove 6, each first sealing plate 12 has a first adjusting screw 9, a first positioning ring 11 and a first positioning seat 7.
A second positioning seat 8 is arranged on the right side of the valve body 1, a second adjusting bolt 10 is arranged inside the second positioning seat 8, a second threaded hole is formed inside the second positioning seat 8, the side surface of the second adjusting bolt 10 is in threaded connection with the inside of the second threaded hole, the second adjusting bolt 10 is connected with a second sealing plate 14 through a second positioning ring 13, knobs are arranged at the left end of the first adjusting bolt 9 and the right end of the second adjusting bolt 10, the side surface of the second adjusting bolt 10 is fixedly connected with the inside of the second positioning ring 13, the axial center line of the second positioning ring 13 is collinear with the axial center line of the second adjusting bolt 10, a second rotating groove is formed inside the second sealing plate 14, the second positioning ring 13 is located inside the second rotating groove, the second sealing plate 14 is located inside the second moving groove 15, the number of the second moving grooves 15 is two, and the center lines of the valve plate 5 are symmetrically distributed by taking the center line as a symmetric axis, each second moving groove 15 is internally provided with a second sealing plate 14, each second sealing plate 14 is provided with a second adjusting bolt 10, a second positioning ring 13 and a second positioning seat 8, the front side and the rear side of the first sealing plate 12 and the front side and the rear side of the second sealing plate 14 are provided with sealing rings 18, the size radius of the first sealing plate 12 is completely the same as that of the second sealing plate 14, and the radius corresponding to the inner ring of the first sealing plate 12 is smaller than that corresponding to the valve plate 5.
When the butterfly valve is closed, the hand wheel 4 is firstly rotated, the valve plate 5 is driven to rotate by the hand wheel 4 until the plane of the valve plate 5 is vertical to the axial central line of the valve body 1, at the moment, the valve plate 5 cuts off the internal channel of the valve body 1, then the four knobs are screwed, the first sealing plate 12 and the second sealing plate 14 are forced to extend towards the interior of the valve body 1 by the knobs, when the first sealing plate 12 and the second sealing plate 14 are completely moved out, the end face of the first sealing plate 12 will abut against the end face of the second sealing plate 14, and the sealing ring 18 on the side face of each sealing plate will abut against the side surface of the valve plate 5, thereby playing the role of assisting the positioning of the valve plate 5 and reducing the friction between the valve plate 5 and the sealing ring 18, and when the butterfly valve is opened, only need reverse the knob of twisting, alright in retrieving the corresponding shifting chute with the closing plate, later, just can drive valve plate 5 and rotate rotating at rotation hand wheel 4 to open the butterfly valve.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a six eccentric full metal hard seal butterfly valves of preventing leaking, includes valve body (1), the top of valve body (1) is provided with fixing base (2), the top of fixing base (2) is provided with transmission seat (16), the left end of input shaft is provided with hand wheel (4) in transmission seat (16), the inside of valve body (1) is provided with valve rod (3), the bottom fixed connection of output shaft in the top of valve rod (3) and transmission seat (16), valve rod (3) are connected with valve plate (5), its characterized in that through coupling mechanism (17): first shifting chute (6) and second shifting chute (15) have been seted up to the inside of valve body (1), the left side of valve body (1) is provided with first holding seat (7), the inside of first holding seat (7) is provided with first adjusting bolt (9), first adjusting bolt (9) are connected with first closing plate (12) through first holding ring (11), first closing plate (12) are located the inside of first shifting chute (6), the right side of valve body (1) is provided with second positioning seat (8), the inside of second positioning seat (8) is provided with second adjusting bolt (10), second adjusting bolt (10) are connected with second closing plate (14) through second holding ring (13), second closing plate (14) are located the inside of second shifting chute (15).
2. A leak resistant six-eccentric all-metal hard seal butterfly valve as set forth in claim 1, wherein: a first threaded hole is formed in the first positioning seat (7), the side surface of the first adjusting bolt (9) is in threaded connection with the inside of the first threaded hole, a second threaded hole is formed in the second positioning seat (8), and the side surface of the second adjusting bolt (10) is in threaded connection with the inside of the second threaded hole.
3. A leak resistant six-eccentric all-metal hard seal butterfly valve as set forth in claim 1, wherein: the side surface of the first adjusting bolt (9) is fixedly connected with the inside of the first positioning ring (11), a first rotating groove is formed in the first sealing plate (12), the first positioning ring (11) is located in the first rotating groove, the side surface of the second adjusting bolt (10) is fixedly connected with the inside of the second positioning ring (13), a second rotating groove is formed in the second sealing plate (14), and the second positioning ring (13) is located in the second rotating groove.
4. A leak resistant six-eccentric all-metal hard seal butterfly valve as set forth in claim 1, wherein: and the front side and the rear side of the first sealing plate (12) and the front side and the rear side of the second sealing plate (14) are respectively provided with a sealing ring (18).
5. A leak resistant six-eccentric all-metal hard seal butterfly valve as set forth in claim 1, wherein: the size radius of the first sealing plate (12) is completely the same as that of the second sealing plate (14), and the radius corresponding to the inner ring of the first sealing plate (12) is smaller than that corresponding to the valve plate (5).
6. A leak resistant six-eccentric all-metal hard seal butterfly valve as set forth in claim 1, wherein: the left end of the first adjusting bolt (9) and the right end of the second adjusting bolt (10) are both provided with knobs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220156205.9U CN216812886U (en) | 2022-01-20 | 2022-01-20 | Leakage-proof six-eccentric full-metal hard seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220156205.9U CN216812886U (en) | 2022-01-20 | 2022-01-20 | Leakage-proof six-eccentric full-metal hard seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216812886U true CN216812886U (en) | 2022-06-24 |
Family
ID=82066673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220156205.9U Active CN216812886U (en) | 2022-01-20 | 2022-01-20 | Leakage-proof six-eccentric full-metal hard seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216812886U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967806A (en) * | 2024-04-02 | 2024-05-03 | 天津市塘沽第一阀门有限公司 | Butterfly valve with high protective performance |
-
2022
- 2022-01-20 CN CN202220156205.9U patent/CN216812886U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117967806A (en) * | 2024-04-02 | 2024-05-03 | 天津市塘沽第一阀门有限公司 | Butterfly valve with high protective performance |
| CN117967806B (en) * | 2024-04-02 | 2024-06-11 | 天津市塘沽第一阀门有限公司 | Butterfly valve with high protective performance |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216812886U (en) | Leakage-proof six-eccentric full-metal hard seal butterfly valve | |
| CN206268465U (en) | Plastic butterfly valve | |
| CN212718042U (en) | Convenient anti-blocking butterfly valve who overhauls | |
| CN212407594U (en) | Electric negative pressure butterfly valve | |
| CN113883283B (en) | Butterfly valve with locking structure | |
| CN215568007U (en) | Double-valve-plate high-sealing butterfly valve | |
| CN213017767U (en) | Butt-clamp flange three-eccentric worm and gear butterfly valve | |
| CN211009929U (en) | High-performance anti-seize energy-saving butterfly valve | |
| CN219639471U (en) | Wear-resisting type control valve | |
| CN221278492U (en) | Manual circular flashboard seamless gate valve | |
| CN218118628U (en) | Stainless steel butterfly valve for hot water supply system | |
| CN218454968U (en) | Butterfly valve is with strengthening seal structure | |
| CN213236099U (en) | Flange type telescopic butterfly valve | |
| CN221628859U (en) | Pre-pressure-relief butterfly valve | |
| CN212226017U (en) | Central turbine rod type manual butterfly valve | |
| CN219472755U (en) | Quick cut-off butterfly valve with good stability | |
| CN216045513U (en) | High leakproofness flange butterfly valve for natural gas | |
| CN215980861U (en) | Eccentric butterfly valve with stop device | |
| CN221145366U (en) | Ball valve capable of adjusting flow | |
| CN214274519U (en) | Double-eccentric butterfly valve with noise reduction performance | |
| CN220302771U (en) | Bidirectional hard sealing butterfly valve | |
| CN217056365U (en) | Eccentric wear-resisting butterfly valve | |
| CN212839433U (en) | Electric mixed cold air butterfly valve | |
| CN215980857U (en) | Flange type butterfly valve | |
| CN218670684U (en) | Integrated inclined plate type butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |