CN205504014U - Seal butterfly valve - Google Patents
Seal butterfly valve Download PDFInfo
- Publication number
- CN205504014U CN205504014U CN201620291819.2U CN201620291819U CN205504014U CN 205504014 U CN205504014 U CN 205504014U CN 201620291819 U CN201620291819 U CN 201620291819U CN 205504014 U CN205504014 U CN 205504014U
- Authority
- CN
- China
- Prior art keywords
- push pedal
- butterfly valve
- valve
- sealing ring
- hand tap
- 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 seal butterfly valve has solved the sealing washer and has used the back with the valve plate for a long time, leads to the sealing washer wearing and tearing, makes the problem of the sealing performance reduction of butterfly valve, and its technical scheme main points are: be equipped with the cavity in the sealing washer, be equipped with drive assembly on the valve body, drive assembly including be used for for the gas filled gasbag of sealing washer, be used for promoting the gasbag the push pedal, be connected the transmission portion that is used for driving push pedal horizontal migration and extrudees the gasbag with the push pedal, the sealing washer communicates with the gasbag each other, the utility model discloses a seal butterfly valve has guaranteed that the butterfly valve in the use, has improved the sealing performance between butterfly valve and the sealing washer.
Description
Technical field
This utility model relates to a kind of valve, particularly to a kind of sealed butterfly valve.
Background technology
Butterfly valve is the regulation valve of a kind of simple in construction, valve can be used for controlling the flowing of all kinds fluids such as sky gas and water, steam, various Korrosionsmedium, mud, oil product, liquid metal and radiating medium, pipeline acts primarily as and cuts off and the effect of throttling, plate in valve body around himself axis rotate, thus reach open and close or regulation purpose.
But after a long time use, sealing ring and the friction of valve plate, ring wear can be caused, so that the sealing property of butterfly valve reduces.
Utility model content
The purpose of this utility model is to provide a kind of sealed butterfly valve, and butterfly valve in use, improves the sealing property between valve plate and sealing ring.
Above-mentioned technical purpose of the present utility model has the technical scheme that
A kind of sealed butterfly valve, including valve body and sealing ring, it is provided with cavity in described sealing ring, described valve body is provided with driving assembly, described driving assembly includes that described sealing ring is interconnected with air bag for sealing ring inflated airbag, for promoting the push pedal of air bag to be connected the driving section driving push pedal to move horizontally extruding gasbag with push pedal.
Use such scheme, sealing ring is rubber, sealing ring has good elasticity, and when being filled entirely with air in the cavity of sealing ring, sealing ring can outwards strut, thus be brought into tight contact with each other with valve plate, ensureing the sealing property of butterfly valve, when the interior air of sealing ring is less, sealing ring is less with the contact area of butterfly plate, therefore the frictional force produced is less, thus improves the service life of sealing ring；Storing air in air bag, when push pedal extruding gasbag, gas can be discharged by air bag, and air bag is then protected by chute, makes air bag can use in different environment；The switch of butterfly valve is directly connected with drive rod, and when switch is opened or this closes, drive rod also can produce corresponding rotation, now by driving section, the rotatory force on drive rod being driven dish board shaft, dish board shaft controls the rotation of dish plate, thus realize the keying of butterfly valve, and use simple, practical.
As preferably, described driving section includes the drive rod being vertically arranged and axially rotating, is fixed on the dish board shaft that the first bevel gear of drive rod end is coaxially disposed with drive rod, the second bevel gear being arranged at dish board shaft upper end, is connected between the first bevel gear with the second bevel gear and third hand tap gear that transmission coordinates, and described third hand tap gear is coaxially fixed with the screw mandrel driving baffle plate to translate.
Using such scheme, the first bevel gear to be engaged through row rotation by third hand tap gear with the second bevel gear, the mode of engagement has constant gear ratio, makes the ratio of transmission be controlled, and transmission efficiency is high, and reliable operation, service life is long, compact conformation.
As preferably, described third hand tap gear is provided with the connecting hole connected for wire rod thread, and described screw mandrel is fixedly connected with push pedal away from the side of connector, is provided with the chute for push pedal sliding in described valve body.
Using such scheme, third hand tap gear is connected with wire rod thread, and screw mandrel is provided with push pedal, and push pedal is connected with chute sliding, and chute is returned push pedal and provided the restriction of position, makes push pedal arbitrarily not rotate, and can only slide at the length direction of chute；Therefore, when third hand tap pinion rotation, screw mandrel drives push pedal to move in chute.
As preferably, it is connected also by connecting tube between described air bag and sealing ring.
Using such scheme, connecting tube plays a part to connect air bag and cavity, is simultaneously connected with pipe and also plays a part to transmit air, and when air bag is squeezed, air will be flow in cavity by connecting tube from air bag；When air bag is not extruded, the body air in cavity then can be flowed in air bag by connecting tube.
As preferably, described push pedal is connected with protection set.
Use such scheme, protection set push pedal to be protected, make push pedal be not easy to damage, when contacting with chute simultaneous with the push pedal protecting set, it is to avoid chute directly directly contacts with push pedal, protects chute；When the push pedal with protected set and balloon contacts, it is to avoid push pedal directly directly contacts with air bag, protects air bag itself and will not cause the situations such as damaged because of contact, improves the service life of air bag.
As preferably, described protection puts and is provided with clamping block, and described push pedal is provided with the buckling groove of corresponding clamping block.
Such scheme, push pedal is used to removably connect with protection set, when making protection set damage; can obtain with changing, and the clamping of working in coordination of the buckling groove in push pedal and the clamping block that puts of protection uses, it is ensured that the fixation of protection set and push pedal; ensure not come off when using, practical.
As preferably, described valve body is provided with the fixing connection of bearing, the inner ring of described bearing and third hand tap gear, and the outer ring of described bearing is fixing with valve body to be connected.
Use such scheme; when third hand tap pinion rotation; frictional force can be produced with valve body; thus cause rotating difficulty; frictional force when rotating then is decreased by bearing very well; make to operate more light, make the first bevel gear, frictional force between the second bevel gear and third hand tap gear decrease simultaneously, protect the first bevel gear, the second bevel gear and third hand tap gear itself.
As the most also including valve plate, described valve plate and valve body are equipped with electrodeposited coating.
Use such scheme, there is the valve plate of electrodeposited coating and valve seat and improve the corrosion resisting property of valve plate and valve seat, improve the protection of valve plate and valve seat, decoration performance, it is also possible to reparation metal parts size, electrodeposited coating also can give certain special function of certain goods.
In sum, this utility model has the advantages that
1, improve the sealing property of butterfly valve；
2, improve the decay resistance of butterfly valve；
3, decrease friction during rotation, use more light, improve the service life of part simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the present embodiment；
Fig. 2 is the structural representation two of the present embodiment；
Fig. 3 is the structural representation that the present embodiment drives assembly；
Fig. 4 is the left view that the present embodiment drives assembly；
Fig. 5 is the sectional view of the A-A driving assembly in Fig. 4；
Fig. 6 is the sectional view of the B-B driving assembly in Fig. 4；
Fig. 7 is the C portion enlarged drawing driving assembly in Fig. 5；
Fig. 8 is the D portion enlarged drawing that in Fig. 5, push pedal is overlapped with protection；
Fig. 9 is the E portion enlarged drawing driving assembly in Fig. 5.
In figure: 1, valve body；2, connecting tube；3, sealing ring；4, cavity；5, assembly is driven；6, driving section；7, the first bevel gear；8, the second bevel gear；9, third hand tap gear；10, screw mandrel；11, connecting hole；12, air bag；13, drive rod；14, dish board shaft；15, push pedal；16, buckling groove；17, chute；18, protection set；19, clamping block；20, bearing.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
A kind of sealed butterfly valve disclosed in the present embodiment, including valve body 1 and sealing ring 3, cavity 4 it is provided with in sealing ring 3, valve body 1 is provided with driving assembly 5, assembly 5 is driven to include that sealing ring 3 is interconnected with air bag 12 for sealing ring 3 inflated airbag 12, for promoting the push pedal 15 of air bag 12 to be connected the driving section 6 driving push pedal 15 to move horizontally extruding gasbag 12 with push pedal 15.
As in figure 2 it is shown, drive assembly 5 to be arranged in valve body 1.As it is shown in figure 5, be fixedly connected with the first bevel gear 7 on drive rod 13, dish board shaft 14 being fixedly connected with the second bevel gear 8, the first bevel gear 7 and the second bevel gear 8, by third hand tap gear 9 meshing gear, are attached in transmission.As shown in Figure 5, Figure 9, third hand tap gear 9 is threadeded with screw mandrel 10, all there is corresponding screw thread the inner side of third hand tap gear 9 with the outer ring of screw mandrel 10, when drive rod 13 drives the first bevel gear 7 to rotate, third hand tap gear 9 rotates, so that screw mandrel 10 carries out lengthwise movement, screw mandrel 10 is fixing with push pedal 15 to be connected, therefore push pedal 15 promotes air bag 12, is delivered gas to by connecting tube 2 in the cavity 4 of sealing ring 3.
Being connected as it is shown in fig. 7, third hand tap gear 9 is fixing with the inner ring of bearing 20, the outer ring of bearing 20 is fixing with valve body 1 to be connected, and makes the frictional force between third hand tap gear 9 and valve body 1 decrease, original sliding friction is converted into rolling friction.
As shown in Figure 8; protection set 18 and push pedal 15 clamping; clamping block 19 is had in push pedal 15; the buckling groove 16 for clamping block 19 clamping is had on protection set 18; clamping block 19 and buckling groove 16 are equipped with four and one_to_one corresponding; push away in the clamping block 19 firmly buckling groove 16 on protection set 18 during use, realize the installation to protection set 18 by clamping.Protection set 18 employing butyl rubbers, butyl rubber is that isobutene. forms with a small amount of isoprene polymerization, and because other polymer of motion ratio of the steric hindrance molecule of methyl are few, therefore gas-premeable is less, to heat, daylight, ozone repellence greatly, electrical apparatus insulation is good；Polarity being held agent opposing big, generally using temperature range is subzero-110 DEG C, to most general gas flow tool impermeability, sunlight and foul smell is had good repellence, can be exposed in the oily or gasifiable chemicals of animal or plant.After protection set 18 installs, during use, do not worry protection set 18 loose or dislocations.When sheath damages, as long as protection set 18 outwards being pullled until protecting set 18 to extract, then by new protection set 18 with changing.
Such as Fig. 5, shown in Fig. 9, female thread is had to work in coordination with the external screw thread on screw mandrel 10 in third hand tap gear 9, it is connected because third hand tap gear 9 is fixing with bearing 20, so when third hand tap gear 9 rotates, screw mandrel 10 in third hand tap gear 9 can carry out longitudinal motion, and screw mandrel 10 is provided with push pedal 15 away from the side of third hand tap gear 9, push pedal 15 can promote air bag 12, air bag 12 by connecting rod gas come in and gone out sealing ring 3 cavity 4 in, from but the tightness of sealing ring 3 and dish plate improve, when push pedal 15 is away from air bag 12, gas in sealing ring 3 has been input in air bag 12, sealing ring 3 is made to produce space with dish plate, reduce the friction between dish plate and sealing ring 3, reach to improve the effect in service life.As shown in Figure 6, cavity 4, respectively from the both sides of dish plate, carries out reinforcing the effect sealed.
Being equipped with electrodeposited coating on valve plate and valve seat, during plating, coated metal does anode, is oxidized to cation and enters electroplate liquid；Metallic article to be plated does negative electrode, and the cation of coated metal is reduced formation coating in metal surface.The purpose of plating is to plate the coat of metal on base material, change substrate surface character or size, the corrosion resistant metal of the many employings of coated metal, plating can strengthen the corrosion resistance of metal, increase hardness, prevent abrasion, raising electric conductivity, lubricity, thermostability and surface aesthetic.
Time actually used; by in protection set 18 installation to push pedal 15, when the switch of butterfly valve rotates, transmission drive rod 13 can be driven; drive rod 13 drives the first bevel gear 7 to rotate; first bevel gear 7 engages with third hand tap gear 9, and now third hand tap gear 9 rotates, and third hand tap gear 9 engages with the second bevel gear 8 away from the side of the first bevel gear 7; thus drive the second bevel gear 8; second bevel gear 8 drives dish board shaft 14, now drive dish plate to realize closing function；When third hand tap gear 9 rotates; screw thread on the medial wall of third hand tap gear 9 and the threaded engagement on screw mandrel 10; now screw mandrel 10 is connected with the push pedal 15 with protected set 18; realize the pushing to air bag 12; gas in air bag 12, by connecting rod input to the cavity 4 of sealing ring 3, makes dish plate and sealing ring 3 keep sealing state；When the switch of butterfly valve rotates backward, drive rod 13 drives the first bevel gear 7 to rotate backward, first bevel gear 7 drives third hand tap gear 9 adverse movement, third hand tap gear 9 drives the second bevel gear 8 to rotate backward, now the second bevel gear 8 drives dish board shaft 14 to rotate backward the opening function realized dish plate, meanwhile, rotating backward of third hand tap gear 9, screw mandrel 10 is made to drive push pedal 15, make push pedal 15 not extruding gasbag 12, air bag 12 restPoses, air in sealing ring 3 cavity 4 re-enters in air bag 12, realize sealing ring 3 dish plate is loosened, now frictional force is less, facilitate opening of butterfly valve, add service life simultaneously.
This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.
Claims (8)
1. a sealed butterfly valve, including valve body (1) and sealing ring (3), it is characterized in that: in described sealing ring (3), be provided with cavity (4), described valve body (1) is provided with driving assembly (5), described driving assembly (5) include for sealing ring (3) inflated airbag (12), be used for promoting the push pedal (15) of air bag (12) to be connected the driving section (6) driving push pedal (15) to move horizontally extruding gasbag (12) with push pedal (15), described sealing ring (3) is interconnected with air bag (12).
A kind of sealed butterfly valve the most according to claim 1, it is characterized in that: described driving section (6) include the drive rod (13) being vertically arranged and axially rotating, it is fixed on first bevel gear (7) of drive rod (13) end, the dish board shaft (14) being coaxially disposed with drive rod (13), it is arranged at second bevel gear (8) of dish board shaft (14) upper end, it is connected between the first bevel gear (7) with the second bevel gear (8) and third hand tap gear (9) that transmission coordinates, the screw mandrel (10) driving baffle plate to translate coaxially it is fixed with on described third hand tap gear (9).
A kind of sealed butterfly valve the most according to claim 2, it is characterized in that: described third hand tap gear (9) is provided with the connecting hole (11) threaded for screw mandrel (10), described screw mandrel (10) is fixedly connected with push pedal (15) away from the side of connector, is provided with the chute (17) for push pedal (15) sliding in described valve body (1).
A kind of sealed butterfly valve the most according to claim 1, is characterized in that: be connected also by connecting tube (2) between described air bag (12) with sealing ring (3).
A kind of sealed butterfly valve the most according to claim 1, is characterized in that: be connected with protection set (18) in described push pedal (15).
A kind of sealed butterfly valve the most according to claim 5; it is characterized in that: described protection set (18) is provided with clamping block (19), described push pedal (15) is provided with the buckling groove (16) of corresponding clamping block (19).
A kind of sealed butterfly valve the most according to claim 2, it is characterized in that: described valve body (1) is provided with bearing (20), the inner ring of described bearing (20) and the fixing connection of third hand tap gear (9), the outer ring of described bearing (20) is fixing with valve body (1) to be connected.
A kind of sealed butterfly valve the most according to claim 1, is characterized in that: also include valve plate, described valve plate and valve body (1) are equipped with electrodeposited coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291819.2U CN205504014U (en) | 2016-04-08 | 2016-04-08 | Seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620291819.2U CN205504014U (en) | 2016-04-08 | 2016-04-08 | Seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205504014U true CN205504014U (en) | 2016-08-24 |
Family
ID=56736313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620291819.2U Expired - Fee Related CN205504014U (en) | 2016-04-08 | 2016-04-08 | Seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205504014U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731097A (en) * | 2016-12-13 | 2017-05-31 | 浙江水利水电学院 | A kind of intelligent rainwater storage pipe network spiral-flow filter and its installation method |
| CN107401619A (en) * | 2017-04-28 | 2017-11-28 | 宁波凯鑫泵阀制造有限公司 | A kind of chemical industry ultra-large type butterfly valve |
| CN109140009A (en) * | 2018-10-23 | 2019-01-04 | 镇江市神龙电器管件有限公司 | A kind of closed butterfly valve of controllable flow rate |
-
2016
- 2016-04-08 CN CN201620291819.2U patent/CN205504014U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106731097A (en) * | 2016-12-13 | 2017-05-31 | 浙江水利水电学院 | A kind of intelligent rainwater storage pipe network spiral-flow filter and its installation method |
| CN107401619A (en) * | 2017-04-28 | 2017-11-28 | 宁波凯鑫泵阀制造有限公司 | A kind of chemical industry ultra-large type butterfly valve |
| CN109140009A (en) * | 2018-10-23 | 2019-01-04 | 镇江市神龙电器管件有限公司 | A kind of closed butterfly valve of controllable flow rate |
| CN109140009B (en) * | 2018-10-23 | 2024-04-09 | 镇江市神龙电器管件有限公司 | Closed butterfly valve capable of controlling flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20180408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |