CN205401744U - Two scraper diaphragm butterfly valves - Google Patents
Two scraper diaphragm butterfly valves Download PDFInfo
- Publication number
- CN205401744U CN205401744U CN201620152213.0U CN201620152213U CN205401744U CN 205401744 U CN205401744 U CN 205401744U CN 201620152213 U CN201620152213 U CN 201620152213U CN 205401744 U CN205401744 U CN 205401744U
- Authority
- CN
- China
- Prior art keywords
- diaphragm
- butterfly
- valve
- scraper
- butterfly plate
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 31
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 3
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 abstract 3
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 12
- 238000012545 processing Methods 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000005493 welding type Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a two scraper diaphragm butterfly valves, a serial communication port, include: the valve body, with support and actuating mechanism that the valve body connected gradually are provided with the butterfly plate in the inside of valve body on the rear end of butterfly plate the below be equipped with with the flat surface parallel's of butterfly plate tetragonal prism shape grooved ring ear and cylindrical grooved ring ear are provided with tetragonal prism shape upper valve rod in tetragonal prism shape grooved ring ear, be equipped with cylindrical lower valve rod in cylindrical grooved ring ear, the butterfly plate still is connected with seal structure, and seal structure includes disk seat clamp plate, disk seat, diaphragm circle, clamp plate circle, the sealed pad of butterfly plate, preceding pressure chamber and back pressure chamber, wherein, circle at the clamp plate and be provided with diaphragm front end thrust groove, preceding through flow opening and pressing plate bolt hole. The utility model discloses an elasticity diaphragm pressure from seal structure, diaphragm front end thrust groove and diaphragm rear end thrust surface play the effect of scraper, go up special connection and the anti -lock of lower valve rod, the low little structure of torsion, the resistance to compression reinforce has dependable performance, long service life's characteristics.
Description
Technical field
This utility model relates to conduit fittings technical field, more particularly to a kind of double; two scraper diaphragm butterfly valves.
Background technology
nullExisting butterfly valve，Such as centre-pivoted butterfly valve，It is from metal valve body, embed rubber sleeve again formed，Crush seal is rotated by middle butterfly plate，It is narrow that butterfly plate contacts sealing area with the extruding of rubber sleeve，There is no again pressure self-sealing effect，So it is low to bear sealing pressure，Frequent crush seal is also easily subject to destroy，Because adopting overall rubber-lined cover，The material of gum cover used is many，Cost is too high，And elastomeric material used is easily aging，So the general sealing pressure of centre-pivoted butterfly valve is low，Service life is short，And for example eccentric-butterfly-valve，The eccentric sealed structure adopted，Use eccentric butterfly plate track rule in rotating distance，It is provided with opposite position valve seat to be close to sealing，Owing to valve seat and butterfly plate are fixed to be close to sealing，There is no too big elastic compensating or other are by thrust，Produced sealing surface contact area is also smaller，So sealing pressure without too high，In pipeline medium, slightly impurity folder is clipped on sealing surface，Easily cause leakage，And leak bigger and bigger，Use state is not ideal，Difficulty of processing is also big.Making cylinder pin between existing butterfly valve four directions cylindricality upper valve rod and butterfly plate to be connected, cylindrical lower valve rod is connected with pin with between butterfly plate, the aging disconnection of pin of time length, can cause the valve rod out of control with butterfly plate disengaging.
Therefore how to provide a kind of have dependable performance, long service life, the low feature of cost butterfly valve be the problem that those skilled in the art need solution badly.
Utility model content
In view of this, this utility model provides a kind of butterfly valve with dependable performance, long service life, the low feature of cost.
For achieving the above object, this utility model provides following technical scheme:
A kind of double; two scraper diaphragm butterfly valve, it is characterized in that, including: valve body, the support being sequentially connected with described valve body and actuator, it is internally provided with butterfly plate at described valve body, rear end upper and lower at described butterfly plate is provided with the cubic cylindricality grooved ring ear with described butterfly plate plane parallel and cylindrical grooved ring ear, and in described four directions, cylindricality grooved ring in ear is provided with four directions cylindricality upper valve rod, is provided with cylindrical lower valve rod at described cylindrical grooved ring in ear；Described butterfly plate is also associated with sealing structure, and described sealing structure includes disc holder, valve seat, diaphragm ring, pressure plate loop, butterfly plate sealing gasket, front pressure chamber and rear pressure chamber；Wherein, described pressure plate loop is provided with diaphragm front end thrust groove, front through flow hole and follower bolt hole.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, between described valve body and described four directions cylindricality upper valve rod, it is provided with gland, in described gland, is provided with filler.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, it is connected to lower valve between described valve body and described cylindrical lower valve rod and blocks up, undertaken sealing and being fastenedly connected by the stifled bolt of the stifled sealing gasket of lower valve and lower valve.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, it is connected to support top nut between described support and described actuator and supports upper bolt.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, it is connected to support lower nut between described support and described valve body and supports lower bolt.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, described butterfly plate is provided with diaphragm rear end thrust surface, rear through flow hole, butterfly plate screwed hole and diaphragm support face.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, being provided with pin between described four directions cylindricality upper valve rod and described butterfly plate, described pin is through described four directions cylindricality grooved ring ear by described four directions cylindricality upper valve rod and what described butterfly plate was attached.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, between described cylindrical lower valve rod and described butterfly plate, it is provided with bearing shim.
Preferably, in the double; two scraper diaphragm butterfly valve of above-mentioned one, described diaphragm ring is provided with diaphragm bolt hole, diaphragm seal face, diaphragm seal circle and diaphragm support body.
Diaphragm butterfly valve in this utility model, change existing butterfly valve forced seal torsion big, it is poor to seal, there is no elastic compensating, the defect that service life is short, have employed flexible sheet pressure self-sealing structure, add the connection that four directions cylindricality upper valve rod is more firm, cylindrical lower valve rod is prevented locking, reduce the design of friction, make butterfly valve torsion less, seal better, higher pressure can be born, long service life, in switch seal performance, can substitute for the use of other valve classes, and it is little to take up room, processing cost is low, outward leakage probability is little, change more convenient, processing is easier to, reduce production cost and the maintenance cost of high performance valve.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only embodiment of the present utility model, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
Fig. 1 accompanying drawing is the structural representation of centre-pivoted butterfly valve in prior art.
Fig. 2 accompanying drawing is the structural representation of eccentric-butterfly-valve in prior art.
Fig. 3 accompanying drawing is structural representation of the present utility model.
Fig. 4 accompanying drawing is the enlarged diagram sealing structure in this utility model.
Fig. 5 accompanying drawing is the front view of butterfly plate in this utility model.
Fig. 6 accompanying drawing is the sectional view of butterfly plate in this utility model.
Fig. 7 accompanying drawing is the front view of this utility model center platen circle.
Fig. 8 accompanying drawing is the sectional view of this utility model center platen circle.
Fig. 9 accompanying drawing is the front view of diaphragm ring in this utility model.
Figure 10 accompanying drawing is the sectional view of diaphragm ring in this utility model.
In FIG:
1 ' it is valve body, 2 ' is butterfly plate, 3 ' is actuator.
In fig. 2:
1 " for valve body, 2 " for butterfly plate, 3 " for actuator.
In figure 3:
1 be valve body, 2 be support, 3 be actuator, 4 be butterfly plate, 5 be four directions cylindricality upper valve rod, 6 be cylindrical lower valve rod, 7 for sealing structure, 21 for supporting top nut, 22 for supporting upper bolt, 23 for supporting lower nut, 24 for supporting lower bolt, 45 be pin, 46 be bearing shim, 51 be gland, 52 be filler, 61 block up for lower valve.
In the diagram:
8 be disc holder, 9 be valve seat, 10 be diaphragm ring, 11 be pressure plate loop, 12 be butterfly plate sealing gasket, 13 be front pressure chamber, 14 be rear pressure chamber, 17 for follower bolt hole.
In Figure 5:
41 be diaphragm rear end thrust surface, 42 be rear through flow hole, 43 be butterfly plate screwed hole, 44 for diaphragm support face.
In figure 6:
4 be butterfly plate, 41 be diaphragm rear end thrust surface, 42 be rear through flow hole, 43 be butterfly plate screwed hole, 44 for diaphragm support face.
In the figure 7:
11 be pressure plate loop, 15 be diaphragm front end thrust groove, 16 be front through flow hole, 17 for follower bolt hole.
In fig. 8:
11 be pressure plate loop, 15 be diaphragm front end thrust groove, 16 be front through flow hole, 17 for follower bolt hole.
In fig .9:
101 be diaphragm bolt hole, 102 be diaphragm seal face, 103 be diaphragm seal circle, 104 for diaphragm support body.
In Fig. 10:
101 be diaphragm bolt hole, 102 be diaphragm seal face, 103 be diaphragm seal circle, 104 for diaphragm support body.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection.
This utility model embodiment discloses a kind of butterfly valve with dependable performance, long service life, the low feature of cost.
Refer to accompanying drawing, the structural representation of a kind of pair of scraper diaphragm butterfly valve disclosed in utility model, specifically include:
Valve body 1, the support 2 being sequentially connected with valve body 1 and actuator 3, it is internally provided with butterfly plate 4 at valve body 1, rear end upper and lower at butterfly plate 4 is provided with the cubic cylindricality grooved ring ear with butterfly plate 4 plane parallel and cylindrical grooved ring ear, four directions cylindricality grooved ring in ear is provided with four directions cylindricality upper valve rod 5, is provided with cylindrical lower valve rod 6 at cylindrical grooved ring in ear；Butterfly plate 4 is also associated with sealing structure 7, seals structure 7 and includes disc holder 8, valve seat 9, diaphragm ring 10, pressure plate loop 11, butterfly plate sealing gasket 12, front pressure chamber 13 and rear pressure chamber 14；Wherein, described pressure plate loop 11 is provided with diaphragm front end thrust groove 15, front through flow hole 16 and follower bolt hole 17.
In order to optimize technique scheme further, between valve body 1 and four directions cylindricality upper valve rod 5, it is provided with gland 51, in gland 51, is provided with filler 52.
In order to optimize technique scheme further, between valve body 1 and cylindrical lower valve rod 6, it is connected to lower valve stifled 61, is undertaken sealing and being fastenedly connected by the stifled bolt of the stifled sealing gasket of lower valve and lower valve.
In order to optimize technique scheme further, it is connected to support top nut 21 between support 2 and actuator 3 and supports upper bolt 22.
In order to optimize technique scheme further, it is connected to support lower nut 23 between support 2 and valve body 1 and supports lower bolt 24.
In order to optimize technique scheme further, butterfly plate 4 is provided with diaphragm rear end thrust surface 41, rear through flow hole 42, butterfly plate screwed hole 43 and diaphragm support face 44, the effect of scraper can be played by diaphragm front end thrust groove 15 and diaphragm rear end thrust surface 41.
In order to optimize technique scheme further, being provided with pin 45 between four directions cylindricality upper valve rod 5 and butterfly plate 4, pin 45 is through four directions cylindricality grooved ring ear by four directions cylindricality upper valve rod 5 and what butterfly plate 4 was attached.
In order to optimize technique scheme further, between cylindrical lower valve rod 6 and butterfly plate 4, it is provided with bearing shim 46.
In order to optimize technique scheme further, diaphragm ring 10 is provided with diaphragm bolt hole 101, diaphragm seal face 102, diaphragm seal circle 103 and diaphragm support body 104.
nullIn order to optimize technique scheme further，When butterfly plate 4 is closed，As medium comes from front，The pressure of medium can from the edge in disc holder 8 front，And enter front pressure chamber 13 by the front through flow hole 16 on pressure plate loop 11 and produce thrust，Diaphragm ring 10 is promoted to produce to seal，The more big sealing of pressure is more good，As medium comes from disc holder 8 back side，After the pressure of medium will be promoted the diaphragm ring 10 on butterfly plate 4 and be entered by the rear through flow hole 42 on butterfly plate 4, pressure chamber 14 produces thrust，Pressure is more big，It is more good to seal，Use the self-packing principle of medium thrust simultaneously，Reach automatic compensating sealing function，Alleviate the excessive swage load of butterfly plate 4 and valve seat 9 during switch，Make the diaphragm ring 10 can action freely and sealing better，And improve service life，After damage，Have only to the disc holder 8 taking apart on butterfly plate 4，It is replaced reusing，Can repeatedly change，Have and change convenient and that the cost of material is low feature；When needs are opened, as long as controlling 90 ° of rotations with actuator 3, getting final product standard-sized sheet, action is simple and convenient, and the time is short, and overall sealing performance is good, except upside down orientation, it is possible to any direction position is installed, easy for installation.
In order to optimize technique scheme further, the connected mode of this utility model and pipeline is not limit, for instance for wafer type, flange form, welding type and sleeve clip type；Type of drive be handle, worm gear, pneumatic, electronic, surge.
In this specification, each embodiment adopts the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment, owing to it corresponds to the method disclosed in Example, so what describe is fairly simple, relevant part illustrates referring to method part.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this utility model.The multiple amendment of these embodiments be will be apparent from for those skilled in the art, and generic principles defined herein when without departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, this utility model is not intended to be limited to shown in this article these and implements side, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (9)
1. a double; two scraper diaphragm butterfly valve, it is characterized in that, including: valve body (1), the support (2) being sequentially connected with described valve body (1) and actuator (3), it is internally provided with butterfly plate (4) at described valve body (1), rear end upper and lower at described butterfly plate (4) is provided with the cubic cylindricality grooved ring ear with described butterfly plate (4) plane parallel and cylindrical grooved ring ear, in described four directions, cylindricality grooved ring in ear is provided with four directions cylindricality upper valve rod (5), is provided with cylindrical lower valve rod (6) at described cylindrical grooved ring in ear；Described butterfly plate (4) is also associated with sealing structure (7), and described sealing structure (7) includes disc holder (8), valve seat (9), diaphragm ring (10), pressure plate loop (11), butterfly plate sealing gasket (12), front pressure chamber (13) and rear pressure chamber (14)；Wherein, described pressure plate loop (11) is provided with diaphragm front end thrust groove (15), front through flow hole (16) and follower bolt hole (17).
2. the double; two scraper diaphragm butterfly valve of one according to claim 1, it is characterized in that, between described valve body (1) and described four directions cylindricality upper valve rod (5), it is provided with gland (51), in described gland (51), is provided with filler (52).
3. the double; two scraper diaphragm butterfly valve of one according to claim 1 and 2, it is characterized in that, it is connected to lower valve stifled (61) between described valve body (1) and described cylindrical lower valve rod (6), is undertaken sealing and being fastenedly connected by the stifled bolt of the stifled sealing gasket of lower valve and lower valve.
4. the double; two scraper diaphragm butterfly valve of one according to claim 1, it is characterised in that be connected to support top nut (21) between described support (2) and described actuator (3) and support upper bolt (22).
5. a kind of double; two scraper diaphragm butterfly valves according to claim 1 or 4, it is characterised in that be connected to support lower nut (23) between described support (2) and described valve body (1) and support lower bolt (24).
6. the double; two scraper diaphragm butterfly valve of one according to claim 1, it is characterized in that, described butterfly plate (4) is provided with diaphragm rear end thrust surface (41), rear through flow hole (42), butterfly plate screwed hole (43) and diaphragm support face (44).
7. the double; two scraper diaphragm butterfly valve of one according to claim 1, it is characterized in that, being provided with pin (45) between described four directions cylindricality upper valve rod (5) and described butterfly plate (4), described pin (45) is through described four directions cylindricality grooved ring ear by described cubic cylindricality upper valve rod (5) and what described butterfly plate (4) was attached.
8. the double; two scraper diaphragm butterfly valve of one according to claim 1, it is characterised in that be provided with bearing shim (46) between described cylindrical lower valve rod (6) and described butterfly plate (4).
9. the double; two scraper diaphragm butterfly valve of one according to claim 1, it is characterized in that, described diaphragm ring (10) is provided with diaphragm bolt hole (101), diaphragm seal face (102), diaphragm seal circle (103) and diaphragm support body (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152213.0U CN205401744U (en) | 2016-03-01 | 2016-03-01 | Two scraper diaphragm butterfly valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620152213.0U CN205401744U (en) | 2016-03-01 | 2016-03-01 | Two scraper diaphragm butterfly valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205401744U true CN205401744U (en) | 2016-07-27 |
Family
ID=56949053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620152213.0U Expired - Fee Related CN205401744U (en) | 2016-03-01 | 2016-03-01 | Two scraper diaphragm butterfly valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205401744U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587869A (en) * | 2016-03-01 | 2016-05-18 | 天津自阀流体控制有限公司 | Double-scraper diaphragm butterfly valve |
| CN111043332A (en) * | 2019-12-25 | 2020-04-21 | 凯喜姆阀门有限公司 | Metal sealed three eccentric butterfly valve |
-
2016
- 2016-03-01 CN CN201620152213.0U patent/CN205401744U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105587869A (en) * | 2016-03-01 | 2016-05-18 | 天津自阀流体控制有限公司 | Double-scraper diaphragm butterfly valve |
| CN111043332A (en) * | 2019-12-25 | 2020-04-21 | 凯喜姆阀门有限公司 | Metal sealed three eccentric butterfly valve |
| CN111043332B (en) * | 2019-12-25 | 2022-02-11 | 凯喜姆阀门有限公司 | Metal sealed three eccentric butterfly valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210566315U (en) | Elastic compensation type butterfly valve with movable valve seat | |
| CN205401744U (en) | Two scraper diaphragm butterfly valves | |
| CN105587869A (en) | Double-scraper diaphragm butterfly valve | |
| CN212338214U (en) | Bidirectional pure metal sealed triple eccentric butterfly valve | |
| CN210318609U (en) | Low-temperature upper-mounted type fixed ball valve with bidirectional double-valve-seat sealing function | |
| CN108278382A (en) | A kind of floating ball valve | |
| CN210014024U (en) | Novel plate valve | |
| CN205824240U (en) | Hard seal ball valve seat | |
| CN204664441U (en) | The two-way soft sealing butterfly valve of a kind of High Pressure Difference | |
| CN203548963U (en) | Flat gate valve of single gate disc | |
| CN205401752U (en) | Eccentric diaphragm butterfly valve of flange cartridge clip formula | |
| CN110686092A (en) | Hemisphere metal seal fixed ball valve | |
| CN202371240U (en) | Soft seal safety valve | |
| CN212480203U (en) | XBL pipeline ball valve | |
| CN205446795U (en) | Ball valve structure that metal is sealed firmly | |
| CN209762479U (en) | Stop valve | |
| CN111550572A (en) | Ball valve with low temperature and high pressure elastically compensated metal seal | |
| CN222668951U (en) | A containment isolation valve sealing structure | |
| CN112112982A (en) | Bidirectional pure metal sealed triple-eccentric butterfly valve and manufacturing method thereof | |
| CN215172422U (en) | Ball type valve body | |
| CN103383009A (en) | Pollution-free metal membrane sealed ball valve | |
| CN214699250U (en) | High-performance bidirectional hard seal butterfly valve | |
| CN204300391U (en) | A kind of two way sealed high-performance butterfly valve | |
| CN222577497U (en) | A valve stem ultra-high pressure sealing mechanism for a valve | |
| CN203421204U (en) | Sealing and adjusting ball valve |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160727 Termination date: 20200301 |