CN208457256U - It is a kind of can on-line maintenance eccentric half-ball valve - Google Patents
It is a kind of can on-line maintenance eccentric half-ball valve Download PDFInfo
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- CN208457256U CN208457256U CN201821144810.4U CN201821144810U CN208457256U CN 208457256 U CN208457256 U CN 208457256U CN 201821144810 U CN201821144810 U CN 201821144810U CN 208457256 U CN208457256 U CN 208457256U
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Abstract
The utility model proposes it is a kind of can on-line maintenance eccentric half-ball valve, including valve body, valve deck, hemisphere, valve seat, valve rod and the driving device being connected with valve rod upper end, the valve chamber for flow of media is equipped in the valve body, the body base is equipped with support base, the valve rod includes upper valve rod and lower valve rod, the valve body side is equipped with the opening entered for service personnel, the opening is equipped with the capping with valve seal, the hemisphere is equipped with the ball seal circle that sealing is formed with valve seat towards the side of valve seat, the ball seal circle is fixed on hemisphere by screw, three open loops being connected with valve body are arranged on the valve seat, the valve seat is equipped with elastic seal ring towards hemispheroidal side, the elastic seal ring includes towards sealing hemisphere protrusion and mutually sealed with ball seal circle, it is set in the valve chamber There is the pressing plate being connected with valve body and for fixing elastic seal ring, the pressing plate is fixed in valve body by fastening screw.
Description
Technical field
The utility model relates to valve fields, and in particular to it is a kind of can on-line maintenance eccentric half-ball valve.
Background technique
Eccentric half-ball valve is a kind of relatively new type ball valve classification, some superiority that it has self structure exclusive,
For such as switch without friction, sealing is not easy to wear, and opening and closing torque is small.The specification of matched actuator can be reduced in this way.It is equipped with more revolution electricity
Dynamic executing agency is, it can be achieved that adjusting and featuring rigid cutting-off to medium.It is widely used in the requirement such as petroleum, chemical industry, urban water supply and sewerage
The operating condition strictly cut off.The valve seals reliability of existing eccentric half-ball valve is low, durability is low and can not on-line maintenance.
The rigidity of the upper and lower valve rod of existing eccentric half-ball valve is low with intensity, hemisphere during open and close,
Media impingement hemisphere and the vibration and noise that generate are larger, influence the flowing of medium.Lower valve rod is connected with valve body, is turning round
Torque is big in journey, turns round slowly, increases the loss of semisphere valve power.
Utility model content
Based on the above issues, the utility model aim be to provide a kind of valve seals high reliablity, long service life,
Eccentric half-ball valve that is easy to disassemble and being capable of on-line maintenance.
In view of the above problems, providing following technical solution: it is a kind of can on-line maintenance eccentric half-ball valve, including valve body,
Valve deck, hemisphere, valve seat, valve rod and the driving device being connected with valve rod upper end, interior be equipped with of the valve body are used for medium flow field
Logical valve chamber, the body base are equipped with support base, and the valve rod includes upper valve rod and lower valve rod, and the valve body side, which is equipped with, to be used
In the opening that service personnel enters, the opening is equipped with capping with valve seal, and the hemisphere is towards the side of valve seat
Equipped with the ball seal circle for forming sealing with valve seat, the ball seal circle is fixed on hemisphere by screw, the valve seat
On be arranged with three open loops being connected with valve body, the valve seat is equipped with elastic seal ring towards hemispheroidal side, and the elasticity is close
Seal include towards hemisphere protrusion and the sealing that is mutually sealed with ball seal circle, be equipped in the valve chamber be connected with valve body and
For fixing the pressing plate of elastic seal ring, the pressing plate is fixed in valve body by fastening screw, and the fastening screw passes through three
Open loop setting, the upper valve rod end opposite with lower valve rod are equipped with the gland for increasing valve rod Yu hemisphere bonding strength,
The gland is mutually fixed by bolt with valve rod, and the bottom cover mutually sealed with valve body is equipped with below the lower valve rod, and the bottom cover is logical
It crosses screw to be fixedly linked with valve body, the bottom cover is equipped with bearing block, is arranged with thrust ball bearing on the bearing block, described to push away
Power ball bearing upper end is embedded in lower valve rod end.
It, can be when needing to check or replacing elastic seal ring by setting opening in above structure, hemisphere is in and opens
Position, repair and maintenance personnel can enter in valve body from opening online to be checked and confirms.When elastic seal ring needs replacing,
Without large-scale ancillary equipment, in a short time, can quickly be replaced online.It is close that setting elastic seal ring can increase valve
Reliability, durability and the service life for extending valve of envelope.By way of changing elastic packing coil structures and installation
And three open loops are set in valve body, by it is traditional it is side-mounted be transformed into three and open upper dress formula, that is, guarantee the reliability of valve seal,
Valve entirety on-line maintenance can be realized again, reduce the maintenance time and expense of user.Support base and support are equipped at lower valve rod
Ball bearing makes hemisphere and upper lower valve rod, and torque is smaller in turning course, it is more flexible to turn round, and reduces valve power
Loss, creates valve and has reliable, economic service condition.
The utility model is further arranged to, and the bottom cover, which is equipped with, adjusts bolt, and the adjusting bolt passes through bearing block
And thrust ball bearing, it is connected with lower valve rod, adjusting nut is arranged on the adjusting bolt, the adjusting nut is located under bottom cover
Side.
Using the above structure, bolt is adjusted by setting and adjusting nut can be to ball seal circle and elastic seal ring
Be finely adjusted in, ensure that the concentricity at ball seal center Yu valve base sealing center, it is ensured that ball seal face and valve seat
The goodness of fit of sealing surface makes valve primary seal be in optimum Working always.
The utility model is further arranged to, and the capping and the junction of opening are equipped with spring washer.
Using the above structure, the leakproofness between capping and valve body can be increased, prevent medium from flowing out.
The utility model is further arranged to, and the junction of the valve seat and valve body is equipped with sealing ring.
Using the above structure, the leakproofness between valve seat and valve body can be increased.
The utility model is further arranged to, and reinforcing rib is equipped on the inside of the hemisphere.
Using the above structure, hemispheroidal intensity can be increased.
The utility model has the beneficial effects that comparing existing eccentric half-ball valve, the utility model valve seals reliability
It is height, long service life, easy to disassemble and being capable of on-line maintenance.Valve is equipped with biggish eccentricity, when hemisphere can be made to rotate,
Moment can be detached from sealing surface of seat, and the sealing surface of hemispheroidal sealing surface and valve seat does not generate friction, with interference, reduce half
The open and close moment of ball, increases the service life of sealing element.Elastic seal ring is set on valve seat, hemisphere into
When row sealing, it may be achieved hard dual-seal after first soft, it is ensured that the reliability of valve seal, durability extend making for valve
Use the service life.Upper valve rod and lower valve boom end all extend on the inside of hemisphere, increase hemispheroidal stiffness and intensity, reduce hemisphere
For body during opening with closing, the vibration generated and noise by media impingement hemisphere keep media flow more steady
With it is unobstructed.The sealing latus rectum that the utility model can change the side-mounted eccentric half-ball valve of tradition is small, flow is small, negotiability not
The high operating condition of foot, power consumption may be implemented unified, full-bore circulation, under the operating condition for not increasing equipment, increase circulation
Ability reduces user's production cost and operating charges.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial enlarged view in Fig. 1 at A.
Figure label meaning: 1- valve body；11- valve chamber；12- support base；13- capping；2- valve deck；3- hemisphere；31- sphere
Sealing ring；32- reinforcing rib；4- valve seat；Tri- open loop of 41-；42- elastic seal ring；421- sealing；43- pressing plate；431- fastens spiral shell
Nail；44- sealing ring；5- valve rod；51- upper valve rod；511- gland；52- lower valve rod；6- driving device；7- bottom cover；71- adjusts spiral shell
Bolt；72- adjusting nut；8- bearing block；81- thrust ball bearing.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
It is as shown in Figure 1 to Figure 2 it is a kind of can on-line maintenance eccentric half-ball valve, including valve body 1, valve deck 2, hemisphere 3, valve
Seat 4, valve rod and the driving device 6 being connected with valve rod upper end, the interior valve chamber 11 being equipped with for flow of media of the valve body 1,
1 bottom of valve body is equipped with support base 12, and the valve rod includes upper valve rod 51 and lower valve rod 52, and 1 side of valve body, which is equipped with, to be used
In the opening that service personnel enters, the opening is equipped with the capping 13 that seals with valve body 1, and the hemisphere 3 is towards valve seat 4
Side is equipped with the ball seal circle 31 that sealing is formed with valve seat 4, and the ball seal circle 31 is fixed on hemisphere 3 by screw
On, three open loops 41 being connected with valve body 1 are arranged on the valve seat 4, the valve seat 4 is equipped with elasticity towards the side of hemisphere 3
Sealing ring 42, the elastic seal ring 42 include the sealing towards 3 protrusion of hemisphere and with the sealing of 31 phase of ball seal circle
421, the valve chamber 11 is interior to be equipped with the pressing plate 43 for being connected with valve body 1 and be used to fix elastic seal ring 42, and the pressing plate 43 passes through
Fastening screw 431 is fixed in valve body 1, and the fastening screw 431 is arranged across three open loops 41, the upper valve rod 51 and lower valve rod
52 opposite ends are equipped with gland 511 for increasing valve rod Yu 3 bonding strength of hemisphere, the gland 511 by bolt and
Valve rod is mutually fixed, and the bottom cover 7 sealed with 1 phase of valve body is equipped with below the lower valve rod 52, and the bottom cover 7 passes through screw and valve body 1
It is fixedly linked, the bottom cover 7 is equipped with bearing block 8, is arranged with thrust ball bearing 81, the thrust ball axis on the bearing block 8
It holds in insertion 52 end of lower valve rod of 81 upper ends.
It, can be when needing to check or replacing elastic seal ring 42 by setting opening in above structure, hemisphere 3 is in
Open position, repair and maintenance personnel can enter in valve body 1 from opening online to be checked and confirms.When elastic seal ring 42 needs more
When changing, can quickly it be replaced online in a short time without large-scale ancillary equipment.Setting elastic seal ring 42 can increase
Add reliability, durability and the service life for extending valve of valve seal.By change 42 structure of elastic seal ring with
The mode of installation and three open loops 41 are set in valve body 1, by it is traditional it is side-mounted be transformed into three and open upper dress formula, i.e. guarantee valve
The reliability of sealing, and can realize valve entirety on-line maintenance, reduce the maintenance time and expense of user.It is equipped at lower valve rod 52
Support base 12 and support ball bearing, make hemisphere 3 and upper lower valve rod 52, and torque is smaller in turning course, it is cleverer to turn round
It is living, reduce the loss of valve power, creates valve and have reliable, economic service condition.
The utility model is further arranged to, and the bottom cover 7, which is equipped with, adjusts bolt 71, and the adjusting bolt 71 passes through axis
Seat 8 and thrust ball bearing 81 are held, is connected with lower valve rod 52, is arranged with adjusting nut 72, the adjusting on the adjusting bolt 71
Nut 72 is located at 7 lower section of bottom cover.
Using the above structure, bolt 71 is adjusted by setting and adjusting nut 72 can be to ball seal circle 31 and elasticity
Sealing ring 42 is finely adjusted in, ensure that the concentricity at ball seal center Yu 4 center seal of valve seat, it is ensured that ball seal
The goodness of fit in face and 4 sealing surface of valve seat, makes valve primary seal be in optimum Working always.
In the present embodiment, the capping 13 and the junction of opening are equipped with spring washer.Capping 13 and valve body 1 can be increased
Between leakproofness, prevent medium from flowing out.
In the present embodiment, the junction of the valve seat 4 and valve body 1 is equipped with sealing ring 44.Valve seat 4 and valve body 1 can be increased
Between leakproofness.
In the present embodiment, reinforcing rib 32 is equipped on the inside of the hemisphere 3.The intensity of hemisphere 3 can be increased.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications, above-mentioned vacation can also be made
If these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (5)
1. one kind can on-line maintenance eccentric half-ball valve, including valve body, valve deck, hemisphere, valve seat, valve rod and with valve rod upper end
The driving device being connected, the interior valve chamber being equipped with for flow of media of the valve body, the body base is equipped with support base, described
Valve rod includes upper valve rod and lower valve rod, it is characterised in that: the valve body side is equipped with the opening entered for service personnel, described
Opening is equipped with the capping with valve seal, and it is close that the hemisphere is equipped with the sphere for forming sealing with valve seat towards the side of valve seat
Seal, the ball seal circle are fixed on hemisphere by screw, and three open loops being connected with valve body are arranged on the valve seat,
The valve seat is equipped with elastic seal ring towards hemispheroidal side, and the elastic seal ring includes towards hemisphere protrusion and and ball
The sealing that body sealing ring mutually seals, the valve chamber is interior to be equipped with the pressing plate for being connected with valve body and be used to fix elastic seal ring, institute
It states pressing plate to be fixed in valve body by fastening screw, the fastening screw is arranged across three open loops, the upper valve rod and lower valve rod
Opposite end is equipped with the gland for increasing valve rod Yu hemisphere bonding strength, and the gland is mutually solid with valve rod by bolt
It is fixed, the bottom cover mutually sealed with valve body is equipped with below the lower valve rod, the bottom cover is fixedly linked by screw and valve body, the bottom
It covers and is equipped with bearing block, thrust ball bearing is arranged on the bearing block, the thrust ball bearing upper end is embedded in lower valve rod end
It is interior.
2. one kind according to claim 1 can on-line maintenance eccentric half-ball valve, it is characterised in that: the bottom cover is equipped with
Bolt is adjusted, the adjusting bolt passes through bearing block and thrust ball bearing, is connected with lower valve rod, is arranged on the adjusting bolt
Adjusting nut, the adjusting nut are located at below bottom cover.
3. one kind according to claim 1 can on-line maintenance eccentric half-ball valve, it is characterised in that: it is described capping and opening
Junction be equipped with spring washer.
4. one kind according to claim 1 can on-line maintenance eccentric half-ball valve, it is characterised in that: the valve seat and valve body
Junction be equipped with sealing ring.
5. one kind according to claim 1 can on-line maintenance eccentric half-ball valve, it is characterised in that: on the inside of the hemisphere
Equipped with reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144810.4U CN208457256U (en) | 2018-07-19 | 2018-07-19 | It is a kind of can on-line maintenance eccentric half-ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821144810.4U CN208457256U (en) | 2018-07-19 | 2018-07-19 | It is a kind of can on-line maintenance eccentric half-ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208457256U true CN208457256U (en) | 2019-02-01 |
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ID=65178973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821144810.4U Active CN208457256U (en) | 2018-07-19 | 2018-07-19 | It is a kind of can on-line maintenance eccentric half-ball valve |
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| CN (1) | CN208457256U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612862A (en) * | 2018-07-19 | 2018-10-02 | 开维喜阀门集团有限公司 | It is a kind of can on-line maintenance eccentric half-ball valve |
| CN110388480A (en) * | 2019-06-03 | 2019-10-29 | 欧电阀门有限公司 | Eccentric half-ball valve |
-
2018
- 2018-07-19 CN CN201821144810.4U patent/CN208457256U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612862A (en) * | 2018-07-19 | 2018-10-02 | 开维喜阀门集团有限公司 | It is a kind of can on-line maintenance eccentric half-ball valve |
| CN110388480A (en) * | 2019-06-03 | 2019-10-29 | 欧电阀门有限公司 | Eccentric half-ball valve |
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