CN206234373U - A kind of butterfly valve of the cavitation prevention that flows slowly - Google Patents
A kind of butterfly valve of the cavitation prevention that flows slowly Download PDFInfo
- Publication number
- CN206234373U CN206234373U CN201621191952.7U CN201621191952U CN206234373U CN 206234373 U CN206234373 U CN 206234373U CN 201621191952 U CN201621191952 U CN 201621191952U CN 206234373 U CN206234373 U CN 206234373U
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- CN
- China
- Prior art keywords
- butterfly
- valve rod
- fixedly connected
- pole
- bonnet
- 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 butterfly valve of the cavitation prevention that flows slowly, including turning handle, the side of turning handle is fixedly connected with bull stick, one end of bull stick is through the side of top cover and extends in top cover, fixed cover is connected to driving gear on bull stick in top cover, and the side of driving gear is engaged with driven gear, and fixed cover is connected to upper valve rod at the axle center of driven gear, the side of upper valve rod is fixedly connected with bearing, and the side of bearing is flexibly connected with one end of bull stick.The utility model is by setting butterfly plate, card ball and draw-in groove, bull stick is set to drive driving gear axially to rotate by rotating turning handle, so as to drive driven gear lateral rotation, so as to drive upper valve rod to rotate, so as to drive butterfly plate to rotate, so that the one side for being provided with fixture block turns to the direction of liquid flow direction, due to the stamping press of liquid, the first pole and the second pole is set to turn right, so as to drive the fixture block in connect band to be connected in the through hole on butterfly plate, so as to play a part of unhurried current, so as to improve the service life of butterfly valve.
Description
Technical field
The utility model is related to valve technology field, specially a kind of butterfly valve of the cavitation prevention that flows slowly.
Background technology
Valve is the mechanical device of flow, flow direction, pressure, the temperature of fluid media (medium) of control flowing etc., and valve is pipeline
Basic part in system, valve pipe fitting technically as pump, is discussed often as a single classification.
Butterfly valve is one kind of valve, is mainly used on pipeline, for the switch of the liquid in control pipeline, but
Existing butterfly valve has that, because the pressure of the liquid in pipeline is usually quite greatly, the butterfly plate of butterfly valve is passed through for a long time
In the impact of liquid body, easily by larger impulse force, so as to influence the service life of butterfly valve.
Utility model content
(1) technical problem for solving
In view of the shortcomings of the prior art, the utility model provides a kind of butterfly valve of the cavitation prevention that flows slowly, and solves existing butterfly
The butterfly plate of valve is due to the excessive problem for being easily subject to destroy of pressure.
(2) technical scheme
To achieve the above object, the utility model provides following technical scheme：A kind of butterfly valve of the cavitation prevention that flows slowly, including turn
Handle, the side of the turning handle is fixedly connected with bull stick, and one end of the bull stick is run through the side of top cover and extended in top cover, institute
State fixed cover on the bull stick in top cover and be connected to driving gear, the side of the driving gear is engaged with driven gear, described driven
Fixed cover is connected to upper valve rod at the axle center of gear, and the side of the upper valve rod is fixedly connected with bearing, the side of the bearing with
One end of bull stick is flexibly connected, and the top of the upper valve rod is run through the top of top cover and extended outside it, the bottom of the upper valve rod
Sequentially pass through top cover, connecting pole and bonnet and be fixedly connected with the top of the butterfly plate in bonnet, the upper valve rod in the connecting pole
Upper fixed cover is connected to Upper shaft sleeve, and the side of the butterfly plate is installed with free bearing, the first pole is connected with the free bearing,
One end of first pole is connected with the second pole, and one end of second pole is by connect band and the side of fixture block
It is fixedly connected, the through hole matched with fixture block is offered on the butterfly plate, opens up fluted on the butterfly plate, it is solid in the groove
Surely be connected with spring base, be fixedly connected with spring at the top of the spring base, one end of the spring be fixedly connected with card ball and
One end of card ball is exposed outside butterfly plate, and the draw-in groove matched with card ball is offered on the bonnet, and the bottom of the butterfly plate is fixed
The one end for being connected with lower valve rod and lower valve rod sequentially passes through the bottom of bonnet and base and the concave station being movably connected in base
Preferably, fixed cover is connected to Lower shaft sleeve on the outer wall of the lower valve rod in the base.
Preferably, the upper valve rod is provided with sealing gasket with the junction of bonnet.
Preferably, fixed cover is connected to Anti-slip cover on the outer wall of the upper valve rod outside the top cover.
Preferably, it is fixedly connected with hanger on the bonnet.
(3) beneficial effect
The utility model provides a kind of butterfly valve of the cavitation prevention that flows slowly.Possesses following beneficial effect：
(1), the utility model is by setting butterfly plate, free bearing, the first pole, the second pole, connect band, fixture block, through hole, recessed
Groove, spring base, spring, card ball and draw-in groove, make bull stick drive driving gear axially to rotate, so as to drive driven by rotating turning handle
Gear lateral rotation, so that drive upper valve rod to rotate, so that drive butterfly plate to rotate, so that the one side for being provided with fixture block turns to liquid
The direction of flow direction, due to the stamping press of liquid, makes the first pole and the second pole turn right, so as to drive the card in connect band
Block is connected in the through hole on butterfly plate, so as to play a part of unhurried current, has dissolved the pressure suffered by butterfly plate, so as to improve butterfly valve
Service life, and butterfly plate is during rotation, and when card ball is extruded with bonnet, spring is under pressure so as to drive card
In groove on ball retraction butterfly plate, so that card ball is snapped into the draw-in groove on bonnet, so as to butterfly plate is blocked in bonnet completely,
Ensure that liquid does not outflow.
Brief description of the drawings
Fig. 1 is the utility model structural profile schematic diagram；
Fig. 2 is the sectional view of the utility model structure butterfly plate side view.
In figure：1 turning handle, 2 bull sticks, 3 top covers, 4 driving gears, 5 driven gears, 6 upper valve rods, 7 bearings, 8 connecting poles, 9 valves
It is lid, 10 butterfly plates, 11 Upper shaft sleeves, 12 free bearings, 13 first poles, 14 second poles, 15 connect bands, 16 fixture blocks, 17 through holes, 18 recessed
Groove, 19 spring bases, 20 springs, 21 card balls, 22 draw-in grooves, 23 lower valve rods, 24 bases, 25 Lower shaft sleeves, 26 concave stations, 27 sealing gaskets, 28
Hanger, 29 Anti-slip covers.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in Figure 1-2, the utility model provides a kind of technical scheme：A kind of butterfly valve of the cavitation prevention that flows slowly, including turning handle
1, the side of turning handle 1 is fixedly connected with bull stick 2, and one end of bull stick 2 is run through the side of top cover 3 and extended in top cover 3, top cover 3
Fixed cover is connected to driving gear 4 on interior bull stick 2, and the side of driving gear 4 is engaged with driven gear 5, the axle center of driven gear 5
Place's fixed cover is connected to upper valve rod 6, and the side of upper valve rod 6 is fixedly connected with bearing 7, the side of bearing 7 and one end activity of bull stick 2
Connection, the top of upper valve rod 6 is run through the top of top cover 3 and is extended outside it, fixedly sleeved on the outer wall of the upper valve rod 6 outside top cover 3
There is Anti-slip cover 29, Anti-slip cover 29 is set, can prevent upper valve rod 6 from being come off from top cover 3, the bottom of upper valve rod 6 sequentially passes through top
Lid 3, connecting pole 8 and bonnet 9 are simultaneously fixedly connected with the top of the butterfly plate 10 in bonnet 9, and hanger 28 is fixedly connected with bonnet 9,
Hanger 28 is set and improves the aesthetics of butterfly valve, and screwed hole is further opened with hanger 28, be easy to the installment work of butterfly valve, on
Valve rod 6 is provided with sealing gasket 27 with the junction of bonnet 9, sets sealing gasket 27, plays the effect of sealing, prevents liquid leakage shadow
The performance of butterfly valve is rung, fixed cover is connected to Upper shaft sleeve 11 on the upper valve rod 6 in connecting pole 8, the side fixed installation of butterfly plate 10 is hinged
Seat 12, is connected with the first pole 13 on free bearing 12, one end of the first pole 13 is connected with the second pole 14, second section
One end of bar 14 is fixedly connected by connect band 15 with the side of fixture block 16, is offered on butterfly plate 10 logical with what fixture block 16 matched
Hole 17, opens up in fluted 18, groove 18 on butterfly plate 10 and is fixedly connected with spring base 19, and the top of spring base 19 is fixedly connected with
Spring 20, one end of spring 20 is fixedly connected with card ball 21 and one end of card ball 21 is exposed outside butterfly plate 10, is offered on bonnet 9
The draw-in groove 22 matched with card ball 21, when using, makes bull stick 2 drive the axial rotation of driving gear 4 by rotating turning handle 1, so that
The lateral rotation of driven gear 5 is driven, so that drive upper valve rod 6 to rotate, so that drive butterfly plate 10 to rotate, so that being provided with fixture block 16
One side turn to liquid flow direction direction, due to the stamping press of liquid, the first pole 13 and the second pole 14 is turned right, from
And drive the fixture block 16 in connect band 15 to be connected in the through hole 17 on butterfly plate 10, so as to play a part of unhurried current, dissolve butterfly
Pressure suffered by plate 10, so as to improve the service life of butterfly valve, and butterfly plate 10 is during rotation, card ball 21 and bonnet
When 9 extruding, spring 20 is under pressure so as to drive in the groove 18 on the retraction butterfly plate 10 of card ball 21, so that the bullet of card ball 21
In the draw-in groove 22 entered on bonnet 9, so as to butterfly plate 10 be stuck in bonnet 9 completely, it is ensured that liquid does not outflow, when rotating butterfly plate again
When 10, spring 20 is subject to torsion, so that card ball 21 is slow being come off from draw-in groove 22, so that butterfly plate 10 is opened, reach out
The effect of valve, the bottom of butterfly plate 10 is fixedly connected with lower valve rod 23 and one end of lower valve rod 23 sequentially passes through bonnet 9 and base 24
And the bottom of concave station 26 in base 24 is movably connected in, fixed cover is connected to Lower shaft sleeve on the outer wall of the lower valve rod 23 in base 24
25, Lower shaft sleeve 25 is set, make the normal rotation in Lower shaft sleeve 25 of lower valve rod 23.
When using, bull stick 2 is set to drive the axial rotation of driving gear 4 by rotating turning handle 1, so as to drive driven gear 5 horizontal
To rotation, so that drive upper valve rod 6 to rotate, so that drive butterfly plate 10 to rotate, so that the one side for being provided with fixture block 16 turns to liquid
The direction of flow direction, due to the stamping press of liquid, makes the first pole 13 and the second pole 14 turn right, so as to drive connect band 15
On fixture block 16 be connected in the through hole 17 on butterfly plate 10, so as to play a part of unhurried current, dissolved the pressure suffered by butterfly plate 10
Power, so that the service life of butterfly valve is improved, and butterfly plate 10 is during rotation, when card ball 21 is extruded with bonnet 9, bullet
Spring 20 is under pressure so as to drive in the groove 18 on the retraction butterfly plate 10 of card ball 21, so that card ball 21 snaps into the card on bonnet 9
In groove 22, so as to butterfly plate 10 be stuck in bonnet 9 completely, it is ensured that liquid does not outflow.
Can to sum up obtain, the butterfly valve of the unhurried current cavitation prevention, by setting butterfly plate 10, free bearing 12, the first pole 13, the second pole
14th, connect band 15, fixture block 16, through hole 17, groove 18, spring base 19, spring 20, card ball 21 and draw-in groove 22, solve existing butterfly
The butterfly plate 10 of valve is due to the excessive problem for being easily subject to destroy of pressure.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or deposited between operating
In any this actual relation or order.And, term " including ", "comprising" or its any other variant be intended to
Nonexcludability is included, so that process, method, article or equipment including a series of key elements not only will including those
Element, but also other key elements including being not expressly set out, or also include being this process, method, article or equipment
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Also there is other identical element in process, method, article or equipment including the key element.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out various changes in the case where principle of the present utility model and spirit is not departed from, repaiies
Change, replace and modification, scope of the present utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of butterfly valve of the cavitation prevention that flows slowly, including turning handle (1), it is characterised in that：The side of the turning handle (1) is fixedly connected with
Bull stick (2), one end of the bull stick (2) is run through the side of top cover (3) and is extended in top cover (3), turning in the top cover (3)
Fixed cover is connected to driving gear (4) on bar (2), and the side of the driving gear (4) is engaged with driven gear (5), described driven
Fixed cover is connected to upper valve rod (6) at the axle center of gear (5), and the side of the upper valve rod (6) is fixedly connected with bearing (7), described
The side of bearing (7) is flexibly connected with one end of bull stick (2), and the top of the upper valve rod (6) is run through the top of top cover (3) and prolonged
Stretch outside it, the bottom of the upper valve rod (6) sequentially pass through top cover (3), connecting pole (8) and bonnet (9) and with bonnet (9) in butterfly
Plate is fixedly connected at the top of (10), and fixed cover is connected to Upper shaft sleeve (11), the butterfly on the upper valve rod (6) in the connecting pole (8)
The side of plate (10) is installed with free bearing (12), and the first pole (13), described first are connected with the free bearing (12)
One end of pole (13) is connected with the second pole (14), and one end of second pole (14) is by connect band (15) and card
The side of block (16) is fixedly connected, and the through hole (17) matched with fixture block (16), the butterfly plate are offered on the butterfly plate (10)
(10) opened up on fluted (18), spring base (19), the top of the spring base (19) are fixedly connected with the groove (18)
Be fixedly connected with spring (20), one end of the spring (20) be fixedly connected with card ball (21) and card ball (21) one end it is exposed
Butterfly plate (10) outward, offers the draw-in groove (22) matched with card ball (21) on the bonnet (9), the bottom of the butterfly plate (10) is consolidated
Surely the one end for being connected with lower valve rod (23) and lower valve rod (23) sequentially passes through bonnet (9) and base (24) and is movably connected in base
(24) bottom of the concave station (26) in.
2. it is according to claim 1 it is a kind of flow slowly cavitation prevention butterfly valve, it is characterised in that：Lower valve in the base (24)
Fixed cover is connected to Lower shaft sleeve (25) on the outer wall of bar (23).
3. it is according to claim 1 it is a kind of flow slowly cavitation prevention butterfly valve, it is characterised in that：The upper valve rod (6) and bonnet
(9) junction is provided with sealing gasket (27).
4. it is according to claim 1 it is a kind of flow slowly cavitation prevention butterfly valve, it is characterised in that：The top cover (3) upper valve outward
Fixed cover is connected to Anti-slip cover (29) on the outer wall of bar (6).
5. it is according to claim 1 it is a kind of flow slowly cavitation prevention butterfly valve, it is characterised in that：It is fixed on the bonnet (9) to connect
It is connected to hanger (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191952.7U CN206234373U (en) | 2016-10-28 | 2016-10-28 | A kind of butterfly valve of the cavitation prevention that flows slowly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621191952.7U CN206234373U (en) | 2016-10-28 | 2016-10-28 | A kind of butterfly valve of the cavitation prevention that flows slowly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206234373U true CN206234373U (en) | 2017-06-09 |
Family
ID=58989774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621191952.7U Expired - Fee Related CN206234373U (en) | 2016-10-28 | 2016-10-28 | A kind of butterfly valve of the cavitation prevention that flows slowly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206234373U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374899A (en) * | 2018-03-12 | 2018-08-07 | 石英楠 | A kind of resistance to strong erosion butterfly valve of high flexibility and its application method |
| CN113565972A (en) * | 2021-07-26 | 2021-10-29 | 韩超 | Oil film sealing structure of valve and valve thereof |
-
2016
- 2016-10-28 CN CN201621191952.7U patent/CN206234373U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108374899A (en) * | 2018-03-12 | 2018-08-07 | 石英楠 | A kind of resistance to strong erosion butterfly valve of high flexibility and its application method |
| CN108374899B (en) * | 2018-03-12 | 2020-02-14 | 天工阀门集团有限公司 | High-flexibility strong-erosion-resistant butterfly valve |
| CN113565972A (en) * | 2021-07-26 | 2021-10-29 | 韩超 | Oil film sealing structure of valve and valve thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Yuxu Inventor before: Chen Weiqun |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180316 Address after: 529729 Guangdong city of Heshan province Zhi Shan Zhen Dong Xi Cun Wei Hui Airport Development Zone Patentee after: HESHAN JUMEN BATHROOM INDUSTRIAL CO.,LTD. Address before: Science road high tech Industrial Development Zone Guangzhou city Guangdong province 510000 231, No. 233 building B1B2 building one layer, two layer, three layer, four layer Patentee before: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Effective date of registration: 20180316 Address after: Science road high tech Industrial Development Zone Guangzhou city Guangdong province 510000 231, No. 233 building B1B2 building one layer, two layer, three layer, four layer Patentee after: BOAO ZONGHENG NETWORK TECHNOLOGY Co.,Ltd. Address before: 362100 Yang Keng No. 179, Luyang Town, Luyang Town, Huian County, Quanzhou, Fujian Patentee before: HUIAN CHANGJIE MACHINERY TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20181028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |