CN209278505U - The rubber seal butterfly valve of high reliability - Google Patents
The rubber seal butterfly valve of high reliability Download PDFInfo
- Publication number
- CN209278505U CN209278505U CN201822259316.9U CN201822259316U CN209278505U CN 209278505 U CN209278505 U CN 209278505U CN 201822259316 U CN201822259316 U CN 201822259316U CN 209278505 U CN209278505 U CN 209278505U
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- valve plate
- pressure release
- pressure
- relief hole
- right valve
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Abstract
The utility model discloses the rubber seal butterfly valves of high reliability, it includes valve seat, shaft, left valve plate, right valve plate and sealing ring, pressure release component is provided on left valve plate, pressure release component includes relief hole, rubber plugging block and compressed spring, relief hole is provided on left valve plate, and relief hole is connected to pressure-releasing chamber, a pressure release passage is offered on the side wall of relief hole, pressure release passage is connected to pressure-releasing chamber, mounting hole corresponding with relief hole is offered on right valve plate, compressed spring is mounted in mounting hole, one end of rubber plugging block is got lodged in relief hole and sealing pressure release passage, the other end of rubber plugging block is connected with the compression spring, the drainage hole being connected to pressure-releasing chamber is offered on right valve plate.For the pressure release component of the utility model when occurring more than the pressure of setting value, valve plate is mobile to the right and exposes pressure release passage for rubber plugging block, so that valve both ends are connected to, complete releasing pressure automatically, it is capable of resetting again after pressure release, to ensure that the sealing performance of butterfly valve, improves the reliability of butterfly valve.
Description
Technical field
The utility model relates to the rubber seal butterfly valves of rubber seal butterfly valve, especially high reliability.
Background technique
Undeniably, butterfly valve has become one of the valve being most widely used at present.In general, butterfly valve include valve body,
Valve seat, valve rod, flap.That is, the valve seat is fixed in the body cavity, which is located in the inner cavity of the valve seat, flap rotation
Its edge and valve base sealing or opening after turning, and the valve rod is used to that the flap to be driven to be rotated, the top of the valve rod passes through should
The rotating devices such as handle or actuator are connected to after the top of valve body.
There are many application scenarios of butterfly valve, can be used for the closing valve of usual pressure, it can also be used to letting out on high-tension apparatus
Pressure valve, at that time when butterfly valve in use, due to the failure of the appearance such as equipment, the pressure of the liquid feeding end of butterfly valve is easy to cause to increase
Greatly, and failure belongs to accidental factor, have little time to open butterfly valve and pressure release sometimes, so that butterfly valve be caused to damage.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of rubber of self-relieving high reliability
Glue sealed butterfly valve.
The purpose of this utility model is achieved through the following technical solutions: the rubber seal butterfly valve of high reliability, it includes
Valve seat, shaft, left valve plate, right valve plate and sealing ring, right valve plate are mounted in shaft, and left valve plate is mounted on right valve plate, and left
Valve plate and right valve plate are located at the interior intracavitary of valve seat, and sealing ring is mounted between left valve plate and the outer rim of right valve plate, and makes left valve plate
Form pressure-releasing chamber between right valve plate, the inner cavity of sealing ring seal valve seat is provided with pressure release component, pressure release component packet on left valve plate
Relief hole, rubber plugging block and compressed spring are included, relief hole is provided on left valve plate, and relief hole is connected to pressure-releasing chamber, pressure release
A pressure release passage is offered on the side wall in hole, pressure release passage is connected to pressure-releasing chamber, is offered on right valve plate corresponding with relief hole
Mounting hole, compressed spring are mounted in mounting hole, and one end of rubber plugging block is got lodged in relief hole and sealing pressure release passage, rubber
The other end of plugging block is connected with the compression spring, and the drainage hole being connected to pressure-releasing chamber is offered on right valve plate.
Preferably, an annular groove is offered on the right valve plate face opposite with left valve plate, is offered on left valve plate and annular groove
The positioning ring of cooperation, and relief hole is located on the left valve plate in positioning ring ring.
Preferably, the bottom of annular groove is provided with rubber gasket.
Preferably, it is provided with cricoid first card division in the outer rim of left valve plate, is provided in the outer rim of right valve plate cricoid
Second card division, sealing ring are stuck between first card division and the second card division.
Preferably, right valve plate is mounted in shaft by pin shaft, and the shaft of right valve plate rotates synchronously.
Preferably, right valve plate is connect with left valve plate by multiple equally distributed lock-screws.
The utility model has the advantage that the rubber seal butterfly valve of the utility model, is provided with pressure release component, therefore work as
When occurring more than the pressure of setting value, spring-compressed, valve plate is mobile to the right and exposes pressure release passage for rubber plugging block, so that
The both ends of valve are connected to, and complete releasing pressure automatically, and after pressure is less than setting value, rubber plugging block again can be in the rebound of compressed spring
Power effect is lower to be resetted, to block relief hole and hydraulic channel, guarantees the sealing performance of butterfly valve, so that butterfly valve is in high compression ring
Energy releasing pressure automatically, avoids butterfly valve from damaging under high pressure, to improve the service life and reliability of butterfly valve under border.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic cross-sectional view of the utility model；
Fig. 3 is the scheme of installation of right valve plate；
Fig. 4 is the scheme of installation of left valve plate and right valve plate；
Fig. 5 is the enlarged diagram in Fig. 2 at A；
Fig. 6 is the enlarged diagram in Fig. 2 at B；
Fig. 7 is the enlarged diagram in Fig. 2 at C；
In figure: 1- valve seat, 2- shaft, the left valve plate of 3-, the right valve plate of 4-, 5- pressure release component, 6- drainage hole, 7- sealing ring, 8-
Pin shaft, 31- positioning ring, 32- rubber gasket, 33- mounting hole, the first card division 34-, the second card division 35-, 36- pressure release passage,
37- rubber plugging block, 38- compressed spring, 39- relief hole, 40- pressure-releasing chamber, 41- annular groove.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "inner", "outside"
Set relationship be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation usually put
Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model
System.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
As shown in Figure 1, Figure 2 and Figure 3, the rubber seal butterfly valve of high reliability, it include valve seat 1, shaft 2, left valve plate 3,
Right valve plate 4 and sealing ring 7, right valve plate 4 are mounted in shaft 2, and in the present embodiment, right valve plate 4 is mounted on shaft by pin shaft 8
On 2, and the shaft 2 of right valve plate 4 rotates synchronously, and left valve plate 3 is mounted on right valve plate 4, in the present embodiment, left valve plate 3 and institute
It states right valve plate 4 to connect by lock-screw, and left valve plate 3 and right valve plate 4 are located at the interior intracavitary of valve seat 1, sealing ring 7 is mounted on a left side
Between valve plate 3 and the outer rim of right valve plate 4, and make to form pressure-releasing chamber 40 between left valve plate 3 and right valve plate 4, when installation, tightens locking
Screw, so that left valve plate 3 and right valve plate 4 squeeze sealing ring 7, so that sealing ring 7 deforms, so that sealing ring 7 seals
The inner cavity of valve seat 1, shaft 2 by driving equipment drive, and driving equipment can be it is electronic, pneumatically or hydraulically drive, certainly most
Simply, handwheel is installed in shaft 2, shaft 2 can also be driven to rotate by manual rotation's handwheel, when needing to open butterfly valve, turn
Turn axis 2, so that sealing ring 7 is detached from the sealing surface of valve seat, so that liquid communication, and can be by changing shaft 2
Rotational angle, to control fluid flow.
In the present embodiment, it is provided with pressure release component 5 on left valve plate 3, as shown in figure 4, pressure release component 5 includes relief hole
39, rubber plugging block 37 and compressed spring 38, relief hole 39 is provided on left valve plate 3, and relief hole 39 is connected to pressure-releasing chamber 40,
A pressure release passage 36 is offered on the side wall of relief hole 39, pressure release passage 36 is connected to pressure-releasing chamber 40, offered on right valve plate 4 with
The corresponding mounting hole 33 of relief hole 39, compressed spring 38 are mounted in mounting hole 33, and one end of rubber plugging block 37 gets lodged in pressure release
In hole 39 and sealing pressure release passage 36, the other end of rubber plugging block 37 are connect with compressed spring 38, offered on right valve plate 4 and
The drainage hole 6 that pressure-releasing chamber 40 is connected to, the fast 37 blocking relief hole 39 of rubber blocking, so that relief hole 39 and pressure release passage 36 are close
When sealing, to guarantee the sealing performance of butterfly valve, work as failure, and the hydraulic pressure in pipe being caused to increase, hydraulic pressure is greater than compressed spring
When 38 setting value, compressed spring 38 is compressed, and rubber plugging block 37 is moved along relief hole 39 towards right valve plate 4, when rubber plugging block
37 and after exposing the inlet opening of pressure release passage 36, liquid then enters in pressure-releasing chamber 40 from pressure release passage 36, eventually by draining
Hole 6 is discharged, to realize pipeline pressure release, highly pressurised liquid is avoided to damage butterfly valve, thus ensure that the service life of butterfly valve,
And after hydraulic pressure decline and after being less than the bounce of compressed spring 38, effect of the rubber plugging block 37 in compressed spring bounce
Lower reset simultaneously blocks relief hole 39 and pressure release passage 36, to realize the sealing of butterfly valve again.
In the present embodiment, left as shown in figure 5, offering an annular groove 41 on the face opposite with left valve plate 3 of right valve plate 4
The positioning ring 31 cooperated with annular groove 41 is offered on valve plate 3, and relief hole 39 is located on the left valve plate 3 in 31 ring of positioning ring,
By the cooperation of positioning ring 31 and annular groove 41, to can guarantee the installation accuracy of right valve plate 4 and left valve plate 3, to guarantee close
Sealing property, further, the bottom of annular groove 41 are provided with rubber gasket 32, so that the outer fringe seal of pressure-releasing chamber 40,
It avoids liquid from impacting from pressure-releasing chamber 40 to sealing ring 7, causes sealing ring 7 to deform, influence the sealing performance of sealing ring 7.
In the present embodiment, as shown in fig. 6, being provided with cricoid first card division 34 in the outer rim of left valve plate 3, right valve plate 4
Outer rim on be provided with cricoid second card division 35, sealing ring 7 is stuck between first card division 34 and the second card division 35, with
Lock-screw is tightened, 35 grip seal circle 7 of the first card division 34 and the second card division, so that sealing ring 7 deforms, guarantees leakproofness
Energy.
Although reference be made herein to the utility model is described in multiple explanatory embodiments of the utility model, still,
It should be understood that those skilled in the art can be designed that a lot of other modification and implementations, these modifications and implementations
It will fall within scope and spirit disclosed in the present application.More specifically, it discloses in the application, drawings and claims
In range, can building block to theme combination layout and/or layout carry out a variety of variations and modifications.In addition to building block
And/or outside the modification and improvement of layout progress, to those skilled in the art, other purposes also be will be apparent.
Claims (6)
1. the rubber seal butterfly valve of high reliability, it is characterised in that: it includes valve seat (1), shaft (2), left valve plate (3), right valve
Plate (4) and sealing ring (7), the right valve plate (4) are mounted on the shaft (2), and the left valve plate (3) is mounted on the right valve
On plate (4), and the left valve plate (3) and the right valve plate (4) are located at the interior intracavitary of the valve seat (1), sealing ring (7) peace
Between the left valve plate (3) and the outer rim of the right valve plate (4), and make the left valve plate (3) and the right valve plate (4) it
Between form pressure-releasing chamber (40), the sealing ring (7) seals the inner cavity of the valve seat (1), is provided with pressure release on the left valve plate (3)
Component (5), the pressure release component (5) include relief hole (39), rubber plugging block (37) and compressed spring (38), the relief hole
(39) it is provided on the left valve plate (3), and the relief hole (39) is connected to the pressure-releasing chamber (40), the relief hole (39)
Side wall on offer a pressure release passage (36), the pressure release passage (36) is connected to the pressure-releasing chamber (40), the right valve plate
(4) mounting hole (33) corresponding with the relief hole (39) is offered on, the compressed spring (38) is mounted on the mounting hole
(33) in, one end of the rubber plugging block (37) is got lodged in the relief hole (39) and the sealing pressure release passage (36), institute
The other end for stating rubber plugging block (37) is connect with the compressed spring (38), is offered on the right valve plate (4) and is let out with described
Press the drainage hole (6) of chamber (40) connection.
2. the rubber seal butterfly valve of high reliability according to claim 1, it is characterised in that: the right valve plate (4) and institute
It states and is offered an annular groove (41) on the opposite face of left valve plate (3), offered and the annular groove (41) on the left valve plate (3)
The positioning ring (31) of cooperation, and the relief hole (39) is located on the left valve plate (3) in the positioning ring (31) ring.
3. the rubber seal butterfly valve of high reliability according to claim 2, it is characterised in that: the bottom of the annular groove (41)
Portion is provided with rubber gasket (32).
4. the rubber seal butterfly valve of high reliability according to claim 1 or 3, it is characterised in that: the left valve plate (3)
It is provided with cricoid first card division (34) in outer rim, is provided with cricoid second card division (35) in the outer rim of the right valve plate (4),
The sealing ring (7) is stuck between first card division (34) and the second card division (35).
5. the rubber seal butterfly valve of high reliability according to claim 4, it is characterised in that: the right valve plate (4) passes through
Pin shaft (8) is mounted on the shaft (2), and the shaft (2) of the right valve plate (4) rotates synchronously.
6. the rubber seal butterfly valve of high reliability according to claim 5, it is characterised in that: the right valve plate (4) and institute
It states left valve plate (3) and passes through multiple equally distributed lock-screw connections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259316.9U CN209278505U (en) | 2018-12-30 | 2018-12-30 | The rubber seal butterfly valve of high reliability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822259316.9U CN209278505U (en) | 2018-12-30 | 2018-12-30 | The rubber seal butterfly valve of high reliability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209278505U true CN209278505U (en) | 2019-08-20 |
Family
ID=67608439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822259316.9U Active CN209278505U (en) | 2018-12-30 | 2018-12-30 | The rubber seal butterfly valve of high reliability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209278505U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210323000A1 (en) * | 2020-04-17 | 2021-10-21 | Korea Atomic Energy Research Institute | Float sorting device for selective separation of non-metallic minerals |
| CN115654196A (en) * | 2022-12-28 | 2023-01-31 | 常州电站辅机股份有限公司 | Intelligent electric valve body and control system based on Internet of things |
-
2018
- 2018-12-30 CN CN201822259316.9U patent/CN209278505U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210323000A1 (en) * | 2020-04-17 | 2021-10-21 | Korea Atomic Energy Research Institute | Float sorting device for selective separation of non-metallic minerals |
| US11958062B2 (en) * | 2020-04-17 | 2024-04-16 | Korea Atomic Energy Research Institute | Float sorting device for selective separation of non-metallic minerals |
| CN115654196A (en) * | 2022-12-28 | 2023-01-31 | 常州电站辅机股份有限公司 | Intelligent electric valve body and control system based on Internet of things |
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