CN207715764U - A kind of non-maintaining butterfly valve of sealed reliable - Google Patents
A kind of non-maintaining butterfly valve of sealed reliable Download PDFInfo
- Publication number
- CN207715764U CN207715764U CN201820056652.0U CN201820056652U CN207715764U CN 207715764 U CN207715764 U CN 207715764U CN 201820056652 U CN201820056652 U CN 201820056652U CN 207715764 U CN207715764 U CN 207715764U
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- CN
- China
- Prior art keywords
- valve
- rod
- bevel gear
- spur bevel
- shell
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of non-maintaining butterfly valves of sealed reliable,Including valve plate,Axle sleeve,Valve body,O-ring seal,Transmission device,Only pulp grinder structure nut,Only pulp grinder structure has been bolted in the inside of the valve body,Transmission device is installed at the top of the valve body,The transmission device is by the first spur bevel gear,Second spur bevel gear,Shell,Connecting rod and handwheel composition,The connecting rod by bearing is connect across the side of shell and the first spur bevel gear and with the other side inner wall of shell,The side of the connecting rod is by being welded with handwheel,First spur bevel gear engages connection with the second spur bevel gear,Valve rod has been bolted at the bottom centre of second spur bevel gear,The valve rod is sealed with shell contact position by O-ring seal,The outside of the valve rod is socketed with axle sleeve,The non-maintaining butterfly valve,It is conveniently replaceable valve plate,Simultaneously convenient for transmission,Good airproof performance.
Description
Technical field
The utility model is related to butterfly valve equipment technical field, the non-maintaining butterfly valve of specially a kind of sealed reliable.
Background technology
Butterfly valve refers to that closure member is disk, and a kind of valve of open and close is reached around valve shaft rotation, main on pipeline
Play cut-out and throttling action.Butterfly valve opening and closing element is a discoidal butterfly plate, is rotated around the axis of its own in valve body, from
And achieve the purpose that keying or adjusting.Butterfly valve is suitable for producer, coal gas, natural gas, liquefied petroleum gas, town gas, cold and hot
Air, chemical industry smelt and the engineering systems such as generation environment-friendly in convey various corrosivity, non-corrosive fluids medium pipeline on, use
In the flowing for adjusting and blocking medium.Butterfly valve classification has：Handle butterfly valve, turbine butterfly valve, Pneumatic butterfly valve, electric butterfly valve etc..But
Existing non-maintaining butterfly valve is not easy to replace valve plate, while transmission device is not easy to be driven, and leakproofness is poor, therefore designs one
The non-maintaining butterfly valve of kind sealed reliable is necessary.
Utility model content
The purpose of this utility model is to provide a kind of non-maintaining butterfly valves of sealed reliable, to solve in above-mentioned background technology
The problem of proposition.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions：A kind of sealed reliable it is non-maintaining
Butterfly valve, including valve rod, the first sealing ring, valve plate, axle sleeve, valve body, O-ring seal, transmission device, only pulp grinder structure, threaded hole, spiral shell
Only pulp grinder structure has been bolted in the inside of rasp bar and nut, the valve body, and transmission device is equipped at the top of the valve body,
The transmission device is made of the first spur bevel gear, the second spur bevel gear, shell, connecting rod and handwheel, the company
Extension bar is across the side of shell and the first spur bevel gear and is connect by bearing with the other side inner wall of shell, the connection
Connection, institute are engaged with the second spur bevel gear by being welded with handwheel, first spur bevel gear in the side of bar
It states and valve rod has been bolted at the bottom centre of the second spur bevel gear, the valve rod passes through O-shaped with shell contact position
Sealing ring seals, and the outside of the valve rod is socketed with axle sleeve, and the valve rod is connect by two threaded rods with valve plate, the valve plate
Side open up there are two threaded hole, and threaded rod is used cooperatively with threaded hole, and the outside of the valve plate is by being welded with
First sealing ring.
Further, the transmission device by baffle, spring, the second sealing ring, telescopic rod and support bar group at the branch
Telescopic rod has been bolted in the side of strut, and spring, the telescopic rod has been bolted in the outside of the telescopic rod
Side baffle has been bolted, the outside of the baffle is by being welded with the second sealing ring.
Further, the threaded rod is used cooperatively with nut.
Further, the shell is bolted with valve body.
Further, the supporting rod with valve body by being welded and fixed.
Compared with prior art, the advantageous effect that the utility model is reached is：The non-maintaining butterfly valve, by rotating hand
Wheel drives connecting rod rotation, to drive the rotation of the first spur bevel gear, the first spur bevel gear and the second straight bevel
Gear engagement connection, to be rotated with ovable valve stem, drives valve plate rotation, carries out to drive the rotation of the second spur bevel gear
Switch butterfly valve；Valve rod is connect by two threaded rods with valve plate, and the side of valve plate opens up that there are two threaded holes, and threaded rod and spiral shell
Pit is used cooperatively, and rotating threaded rod enters threaded hole, then fastening nut, to which valve rod and valve plate be fixed together, instead
Release nut, you can valve rod and valve plate are separated, be convenient for valve plate installation and removal, be convenient for changing；Transmission device by baffle,
Spring, the second sealing ring, telescopic rod and support bar group are at when opening valve plate, gas will push baffle, drive telescopic rod and bullet
Spring stretches, and when closing valve plate, baffle can be pulled to reset under the reaction force of spring, is sealed by the second sealing ring,
To improve the leakproofness of equipment.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the whole side structure schematic view of the utility model；
Fig. 2 is the whole positive structure diagram of the utility model；
Fig. 3 is the valve rod regional structure schematic diagram of the utility model；
Fig. 4 is the only pulp grinder structure enlarged structure schematic diagram of the utility model；
In figure：1- valve rods；The first sealing rings of 2-；3- valve plates；4- axle sleeves；5- valve bodies；6-O type sealing rings；7- transmission devices；
8- stops pulp grinder structure；The first spur bevel gears of 9-；The second spur bevel gears of 10-；11- shells；12- connecting rods；13- handwheels；
14- threaded holes；15- threaded rods；16- baffles；17- springs；The second sealing rings of 18-；19- telescopic rods；20- supporting rods；21- spiral shells
It is female.
Specific implementation mode
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
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of non-maintaining butterfly valve of sealed reliable, including
Valve rod 1, the first sealing ring 2, valve plate 3, axle sleeve 4, valve body 5, O-ring seal 6, transmission device 7, only pulp grinder structure 8, threaded hole 14,
Only pulp grinder structure 8 has been bolted in the inside of threaded rod 15 and nut 21, valve body 5, and the top of valve body 5 is equipped with transmission device
7, transmission device 7 is by 13 groups of the first spur bevel gear 9, the second spur bevel gear 10, shell 11, connecting rod 12 and handwheel
At connecting rod 12 across the side of shell 11 and the first spur bevel gear 9 and passes through bearing with the other side inner wall of shell 11
Connection, the side of connecting rod 12 is by being welded with handwheel 13, the first spur bevel gear 9 and the second spur bevel gear 10
Engagement connects, and valve rod 1 has been bolted at the bottom centre of the second spur bevel gear 10, valve rod 1 is contacted with shell 11
Place is sealed by O-ring seal 6, and the outside of valve rod 1 is socketed with axle sleeve 4, and valve rod 1 is connect by two threaded rods 15 with valve plate 3,
The side of valve plate 3 is opened up there are two threaded hole 14, and threaded rod 15 is used cooperatively across valve rod 1 with threaded hole 14, valve plate 3 outside
Portion is by being welded with the first sealing ring 2.
Further, transmission device 7 is by 20 groups of baffle 16, spring 17, the second sealing ring 18, telescopic rod 19 and supporting rod
At telescopic rod 19 has been bolted in the side of supporting rod 20, and the outside of telescopic rod 19 has been bolted spring 17, has stretched
Baffle 16 has been bolted in the side of contracting bar 19, and the outside of baffle 16 is convenient for by being welded with the second sealing ring 18
Improve the leakproofness of equipment.
Further, threaded rod 15 is used cooperatively with nut 21, is convenient for fastening thread bar 15.
Further, shell 11 is bolted with valve body 5, convenient for ensureing the stability of connection.
Further, supporting rod 20 is convenient for fixed supporting rod 20 with valve body 5 by being welded and fixed.
Operation principle：By rotating handwheel 13, connecting rod 12 is driven to rotate, to drive 9 turns of the first spur bevel gear
Dynamic, the first spur bevel gear 9 engages connection with the second spur bevel gear 10, to drive 10 turns of the second spur bevel gear
It is dynamic, to be rotated with ovable valve stem 1, drives valve plate 3 to rotate, carry out switch butterfly valve；Valve rod 1 passes through two threaded rods 15 and valve plate 3
Connection, the side of valve plate 3 open up that there are two threaded holes 14, and threaded rod 15 is used cooperatively with threaded hole 14, rotating threaded rod 15
Into threaded hole 14, then fastening nut 21, to which valve rod 1 and valve plate 3 be fixed together, otherwise unclamp nut 21, you can
Valve rod 1 and valve plate 3 are separated, is convenient for the installation and removal of valve plate 3, is convenient for changing；Transmission device 7 is by baffle 16, spring 17,
Two sealing rings 18, telescopic rod 19 and supporting rod 20 form, and when opening valve plate 3, gas will push baffle 16, drive telescopic rod 19
It is stretched with spring 17, when closing valve plate 3, baffle 16 can be pulled to reset under the reaction force of spring 17, pass through the second sealing
Circle 18 is sealed, to improve the leakproofness of equipment.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of non-maintaining butterfly valve of sealed reliable, including valve rod (1), the first sealing ring (2), valve plate (3), axle sleeve (4), valve body
(5), O-ring seal (6), transmission device (7), only pulp grinder structure (8), threaded hole (14), threaded rod (15) and nut (21), it is special
Sign is：Only pulp grinder structure (8) have been bolted in the inside of the valve body (5), and transmission is equipped at the top of the valve body (5)
Device (7), the transmission device (7) is by the first spur bevel gear (9), the second spur bevel gear (10), shell (11), company
Extension bar (12) and handwheel (13) composition, the connecting rod (12) pass through side and the first spur bevel gear (9) of shell (11)
And connect by bearing with the other side inner wall of shell (11), the side of the connecting rod (12) is by being welded with handwheel
(13), first spur bevel gear (9) engages connection, the second straight bevel tooth with the second spur bevel gear (10)
It takes turns and valve rod (1) has been bolted at the bottom centre of (10), the valve rod (1) passes through O-shaped close with shell (11) contact position
Seal (6) seals, and the outside of the valve rod (1) is socketed with axle sleeve (4), and the valve rod (1) passes through two threaded rods (15) and valve
Plate (3) connects, and the side of the valve plate (3) opens up that there are two threaded holes (14), and threaded rod (15) coordinates with threaded hole (14)
It uses, the outside of the valve plate (3) is by being welded with the first sealing ring (2).
2. a kind of non-maintaining butterfly valve of sealed reliable according to claim 1, it is characterised in that：The transmission device (7)
It is made of baffle (16), spring (17), the second sealing ring (18), telescopic rod (19) and supporting rod (20), the supporting rod (20)
Side telescopic rod (19) has been bolted, spring (17), institute has been bolted in the outside of the telescopic rod (19)
Baffle (16) has been bolted in the side for stating telescopic rod (19), and the outside of the baffle (16) is by being welded with second
Sealing ring (18).
3. a kind of non-maintaining butterfly valve of sealed reliable according to claim 1, it is characterised in that：The threaded rod (15) with
Nut (21) is used cooperatively.
4. a kind of non-maintaining butterfly valve of sealed reliable according to claim 1, it is characterised in that：The shell (11) and valve
Body (5) is bolted.
5. a kind of non-maintaining butterfly valve of sealed reliable according to claim 2, it is characterised in that：The supporting rod (20) with
Valve body (5) is by being welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056652.0U CN207715764U (en) | 2018-01-15 | 2018-01-15 | A kind of non-maintaining butterfly valve of sealed reliable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820056652.0U CN207715764U (en) | 2018-01-15 | 2018-01-15 | A kind of non-maintaining butterfly valve of sealed reliable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715764U true CN207715764U (en) | 2018-08-10 |
Family
ID=63051999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820056652.0U Expired - Fee Related CN207715764U (en) | 2018-01-15 | 2018-01-15 | A kind of non-maintaining butterfly valve of sealed reliable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748668A (en) * | 2019-10-29 | 2020-02-04 | 晟福（天津）流体自动控制设备有限公司 | Anti-leakage self-sealing valve |
-
2018
- 2018-01-15 CN CN201820056652.0U patent/CN207715764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748668A (en) * | 2019-10-29 | 2020-02-04 | 晟福（天津）流体自动控制设备有限公司 | Anti-leakage self-sealing valve |
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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: 20180810 Termination date: 20190115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |