CN209213056U - Multi-sealed ball valve - Google Patents
Multi-sealed ball valve Download PDFInfo
- Publication number
- CN209213056U CN209213056U CN201821596016.3U CN201821596016U CN209213056U CN 209213056 U CN209213056 U CN 209213056U CN 201821596016 U CN201821596016 U CN 201821596016U CN 209213056 U CN209213056 U CN 209213056U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- sphere
- barrel
- elastic
- 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.)
- Active
Links
Abstract
The utility model discloses a kind of multi-sealed ball valves, it is related to valve, when aiming to solve the problem that valve seat occurs position deviation or loosens, elastic seal ring and resilient support circle will fail simultaneously, there is a problem of that practical performance is not high, its key points of the technical solution are that: a kind of multi-sealed ball valve, including valve body and it is set to the intracorporal sphere of valve, the valve body includes center valve body, and the left valve barrel and right valve barrel for being fixed on center valve body two sides is respectively welded, the left valve barrel and right valve barrel are provided at least two valve seats, the valve seat is provided with elastic support ring and elastic sealing ring, the elastic support ring and elastic sealing ring fit in the spherical outside surface of sphere.The multi-sealed ball valve of one kind of the utility model, by the way that multiple valve seats are arranged, so that multiple groups elastic support ring and elastic sealing ring have relatively independent installation site, and then avoid because single valve seat deviates or loosens, and influences the sealing performance of ball valve.
Description
Technical field
The utility model relates to valves, more specifically, it relates to a kind of multi-sealed ball valve.
Background technique
Ball valve now has developed into a kind of main valve type with its good sealing performance and higher negotiability,
It is widely used in various fields.
A kind of ball valve that the Chinese patent that notification number is CN102818044A is announced, is characterized in that: including valve body, ball
Body and valve rod, valve body two sides are respectively arranged with medium channel, and valve body is corresponded to be provided at medium channel and be matched with sphere
Valve seat, valve seat correspond to sphere side and are provided with the sealing surface matched with sphere, and valve seat, which corresponds to, is provided with the first ring at sealing surface
Slot, the first annular groove are embedded with resilient support circle, and valve seat corresponds to and is additionally provided with the second annular groove at sealing surface, and the second annular groove is embedded with bullet
Property sealing ring, the distance that elastic seal ring corresponds to the end of sphere one end to sphere is less than resilient support and encloses corresponding sphere one end
End to sphere distance.
Above scheme is by elastic seal ring and resilient support circle, thus realize the dual-seal between valve seat and sphere,
And then improve the sealing effect between valve seat and sphere；But due to elastic seal ring and resilient support circle be all set in it is same
On a valve seat, therefore when valve seat occurs position deviation or loosens, elastic seal ring and resilient support circle will lose simultaneously
Effect, has that practical performance is not high；Therefore it needs to propose the new scheme of one kind to solve this problem.
Utility model content
In view of the deficienciess of the prior art, leading to the purpose of this utility model is to provide a kind of multi-sealed ball valve
It crosses and multiple valve seats is set, so that multiple groups elastic support ring and elastic sealing ring have relatively independent installation site, in turn
It avoids because single valve seat deviates or loosens, and influences the sealing performance of ball valve.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of multi-sealed ball
Valve, including valve body and it is set to the intracorporal sphere of valve, the valve body includes center valve body, and is respectively welded and is fixed on centre
The left valve barrel and right valve barrel of valve body two sides, the left valve barrel and right valve barrel are provided at least two valve seats, the valve seat setting
Flexible support ring and elastic sealing ring, the elastic support ring and elastic sealing ring fit in the spherical outside surface of sphere.
By using above-mentioned technical proposal, sphere is in the valve body of left valve barrel, center valve body and right valve barrel composition, from
And the unlatching or closing of ball valve are realized by rotating sphere；In closing or open state, elastic support ring and elasticity are close
Seal ring fits closely the spherical outside surface in sphere in anchor ear shape, to realize the sealing between sphere and valve seat, and then avoids because of quilt
Conveying object enters in the space between sphere and valve body through the gap of the two and is revealed；Simultaneously as the utility model is adopted
With more seat designs, and each valve seat is respectively provided with an elastic support ring and an elastic sealing ring, and then by an elasticity branch
Pushing out ring and an elastic sealing ring cooperatively form one group of sealing structure, therefore when wear damage occurs for one group of sealing structure (
The occurrence cause worn in practice is mostly that friction occurs with the particulate matter of transported material and damages, therefore is in the close of internal layer
The abrasion of seal structure generally can be prior to the sealing structure of outer layer), it is undertaken by another group of sealing structure close between sphere and valve seat
Envelope, the final technical effect for realizing 1.7 times of ball valve service life of promotion or more；It should be noted that due to every group of sealing structure
It is all set on independent valve seat, to avoid the loosening or offset because of valve seat, and leads to multiple groups sealing structure while losing
The problem of effect, occurs, and then improves practicability of the utility model in practice.
The utility model is further arranged to: the spherical outside surface of the sphere has carried out HVOF spray treatment, is formed with HVOF
Spray coating.
By using above-mentioned technical proposal, the circular degree and smoothness of sphere spherical outside surface are promoted, and then reduces sphere rotation
In the process, abrasion suffered by elastic support ring and elastic sealing ring；Meanwhile HVOF spraying is formed using HVOF spray treatment
Layer, bond strength reach 10000Psi or more, and hardness is up to HRC70, improves the wear-resisting property of sealing surface, avoid bad working environments
The Fatigue peelback of lower HVOF spray coating and the generation of high pressure erosive wear.
The utility model is further arranged to: the inside of the left valve barrel and right valve barrel offers annular groove, and the valve seat is sliding
It is dynamic to be embedded in annular groove, multiple compressed springs are provided between the valve seat and the wall surface of annular groove.
By using above-mentioned technical proposal, valve seat sliding gomphosis is within annular groove, thus by the activity of annular groove limitation valve seat
Degree, and then the hidden danger for reducing valve seat offset or loosening, and compressed spring is set to be that valve seat provides constant normal pressure floating close
Load is sealed, forces elastic sealing ring and elastic support ring to push against in the spherical outside surface of sphere, and then ensure between valve seat and sphere
Leakproofness.
The utility model is further arranged to: the valve seat along the circumferential direction equidistantly offers multiple receiving circular holes, institute
Compressed spring is stated to be in receiving circular hole.
By using above-mentioned technical proposal, setting accommodates circular hole and accommodates compressed spring, so that it is guaranteed that the installation of compressed spring
Stability；Equidistant arrangement accommodates circular hole, so that multiple compressed springs are equally arranged, and then reaches whole suffered by valve seat
The more uniform technical effect of body elasticity potential energy.
The utility model is further arranged to: being provided with O-ring between the valve seat and the inner wall of annular groove.
By using above-mentioned technical proposal, the sealing performance of lifting valve base and valve body, and then avoid between valve seat and valve body
It reveals.
The utility model is further arranged to: the valve seat offers the first card slot and the second card slot, the resilient support
Ring is connected and fixed with the first card slot, and the elastic sealing ring is connected and fixed with the second card slot.
By using above-mentioned technical proposal, elastic support ring and elastic sealing ring are connected and fixed respectively in the first card slot and
In two draw-in groove, to avoid that mutual extrusion occurs because of elastic support ring and elastic sealing ring, and sealing performance is influenced.
In conclusion the utility model has the following beneficial effects: by using more seat designs, so that it is more to meet installation
The technology premise of group sealing structure, and then by setting multiple groups sealing structure, effectively improve the service life of ball valve；By will be every
Group sealing structure is all set on independent valve seat, to avoid the loosening or offset because of valve seat, and multiple groups is caused to seal
The problem of structure fails simultaneously, and then improve practicability of the utility model in practice；In the spherical outside surface of sphere
HVOF spray coating is set, to promote the circular degree and smoothness of sphere spherical outside surface, and then is reduced in sphere rotation process, elasticity
Abrasion suffered by support ring and elastic sealing ring；Valve seat sliding gomphosis is within annular groove, thus by the work of annular groove limitation valve seat
Dynamic degree, and then the hidden danger for reducing valve seat offset or loosening；Constant normal pressure is provided by setting compressed spring for valve seat to float
Dynamic sealing load forces elastic sealing ring and elastic support ring to push against in the spherical outside surface of sphere, so ensure valve seat and sphere it
Between leakproofness；Equidistant arrangement accommodates circular hole, so that multiple compressed springs are equally arranged, and then reaches valve seat institute
By the more uniform technical effect of integral, flexible potential energy；Elastic support ring and elastic sealing ring are connected and fixed respectively in the first card slot
In the second card slot, to avoid that mutual extrusion occurs because of elastic support ring and elastic sealing ring, and sealing performance is influenced.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is that the utility model dismantles the structural schematic diagram after right valve barrel, the main matching relationship for indicating sphere and valve body；
Fig. 3 is the half sectional view of the utility model, main to indicate ball valve internal structure；
Fig. 4 is the portion the A enlarged diagram of Fig. 3, mainly indicates valve seat, sphere and the matching relationship of valve body three；
Fig. 5 is the structural schematic diagram of the utility model valve seat.
Detailed description of the invention: 1, valve body；11, sphere；12, center valve body；13, left valve barrel；14, right valve barrel；15, valve seat；16, bullet
Property support ring；17, elastic sealing ring；18, HVOF spray coating；19, annular groove；20, compressed spring；21, circular hole is accommodated；22, O shape
Circle；23, the first card slot；24, the second card slot.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Multi-sealed ball valve, as shown in Figure 1 and Figure 2, including valve body 1 and the sphere being set in valve body 1 11, valve body 1
Including center valve body 12, and the left valve barrel 13 and right valve barrel 14 for being fixed on 12 two sides of center valve body is respectively welded, such as Fig. 3, Fig. 4
Shown, left valve barrel 13 and right valve barrel 14 are provided at least two valve seats 15, left valve barrel 13 and right valve barrel 14 in the utility model
The quantity of set valve seat 15 is 2, and valve seat 15 is provided with elastic support ring 16 and elastic sealing ring 17,16 He of elastic support ring
Elastic sealing ring 17 fits in the spherical outside surface of sphere 11.
Ball valve provided by the utility model has the characteristics that sphere 11 is in left valve barrel 13, center valve body 12 and the right side
In the valve body 1 that valve body 14 forms, to realize the unlatching or closing of ball valve by rotating sphere 11；In closing or opening state
When state, elastic support ring 16 and elastic sealing ring 17 are fitted closely in anchor ear shape in the spherical outside surface of sphere 11, to realize sphere
Sealing between 11 and valve seat 15, and then avoid the sky entered because of transported material through the gap of the two between sphere 11 and valve body 1
In and reveal；Simultaneously as the utility model is designed using more valve seats 15, and each valve seat 15 is respectively provided with an elasticity
Support ring 16 and an elastic sealing ring 17, and then one is cooperatively formed by an elastic support ring 16 and an elastic sealing ring 17
Group sealing structure, therefore (occurrence cause worn in practice is mostly close when wear damage occurs for one group of sealing structure
The particulate matter of seal structure and transported material occurs friction and damages, therefore the abrasion of the sealing structure in internal layer can be prior to outer layer
Sealing structure), the sealing between sphere 11 and valve seat 15 is undertaken by another group of sealing structure, it is final to realize that promoting ball valve uses
1.7 times of service life or more of technical effect, when three groups of sealing structures are arranged, ball valve service life be can be improved to 2.5 times；It needs
It is bright, since every group of sealing structure is all set on independent valve seat 15, thus avoid because valve seat 15 loosening or partially
The problem of moving, and leading to multiple groups sealing structure while failing, and then it is practical in practice to improve the utility model
Property.
Ball valve is realized by rotating sphere 11 to be opened or closes, and is the rotation reduced because of sphere 11, and close for elasticity
The abrasion of seal ring 17 and elastic support ring 16 is formed with as shown in Fig. 2, the spherical outside surface of sphere 11 has carried out HVOF spray treatment
HVOF spray coating 18 to promote the circular degree and smoothness of 11 spherical outside surface of sphere, and then is reduced in 11 rotation process of sphere, bullet
Abrasion suffered by property support ring 16 and elastic sealing ring 17；It should be noted that forming HVOF spray using HVOF spray treatment
Coating 18, bond strength reach 10000Psi or more, and hardness is up to HRC70, improves the wear-resisting property of sealing surface, avoid severe
The generation of the Fatigue peelback of HVOF spray coating 18 and high pressure erosive wear under operating condition.
To reduce the hidden danger that shifts or loosen of valve seat 15, as shown in Figure 3, Figure 4, left valve barrel 13 and right valve barrel 14
Inside offers annular groove 19, and 15 sliding gomphosis of valve seat is in annular groove 19, to limit the mobility of valve seat 15 by annular groove 19, in turn
Reduce the hidden danger that valve seat 15 shifts or loosens；Multiple compressed springs are provided between valve seat 15 and the wall surface of annular groove 19
20, to be that valve seat 15 provides constant normal pressure floating seal load by compressed spring 20, force elastic sealing ring 17 and bullet
Property support ring 16 push against in the spherical outside surface of sphere 11, and then ensure the leakproofness between valve seat 15 and sphere 11.
For the mounting stability for improving compressed spring 20, as shown in Figure 4, Figure 5, valve seat 15 is along the circumferential direction equidistantly opened up
There are multiple receiving circular holes 21, compressed spring 20, which is in, to be accommodated in circular hole 21, so that compressed spring 20 is limited by accommodating circular hole 21,
And then improve the mounting stability of compressed spring 20；It equally arranges simultaneously because accommodating circular hole 21, so that multiple pressures
Contracting spring 20 is equally arranged, and then reaches the technical effect that integral, flexible potential energy is more uniform suffered by valve seat 15.
Ball valve inevitably has part transported material and enters sphere 11 by being opened into closed process conversion
In the space of valve body 1, to avoid this part transported material from revealing through the gap of valve seat 15 and valve body 1, as shown in figure 4,
O-ring 22 is provided between valve seat 15 and the inner wall of annular groove 19, thus by between 22 lifting valve base 15 of O-ring and valve body 1
Sealing performance, and then avoid revealing between valve seat 15 and valve body 1.
Since the deformation quantity and deformability of elastic support ring 16 and elastic sealing ring 17 are different, the phase of the two
Sealing effect may be will affect by mutually squeezing, thus as shown in figure 4, valve seat 15 offers the first card slot 23 and the second card slot 24, bullet
Property support ring 16 is connected and fixed with the first card slot 23, and elastic sealing ring 17 is connected and fixed with the second card slot 24, to realize elasticity
Support ring 16 and elastic sealing ring 17 it is independently installed, and then avoid occurring mutually because of elastic support ring 16 and elastic sealing ring 17
It squeezes, and influences sealing performance.
It should be noted that elastic sealing ring 17 is made of rubber as shown in figure 4, elastic support ring 16 is made of nylon,
Since the hardness of nylon is higher than rubber, using nylon as material, bigger effect is to ball elastic support ring 16
The support of body 11, and then elastic sealing ring 17 is avoided excessively to be influenced service life because bearing by pressure；But due to nylon
Sealing effect is poor relative to rubber, therefore elastic sealing ring 17 is set to inside, and then undertake master with elastic sealing ring 17
The sealing function wanted.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Claims (6)
1. a kind of multi-sealed ball valve, including valve body (1) and the sphere (11) being set in valve body (1), it is characterised in that:
The valve body (1) includes center valve body (12), and be respectively welded the left valve barrel (13) for being fixed on center valve body (12) two sides and
Right valve barrel (14), the left valve barrel (13) and right valve barrel (14) are provided at least two valve seats (15), and the valve seat (15) sets
It is equipped with elastic support ring (16) and elastic sealing ring (17), the elastic support ring (16) and elastic sealing ring (17) fit in ball
The spherical outside surface of body (11).
2. multi-sealed ball valve according to claim 1, it is characterised in that: the spherical outside surface of the sphere (11) is had
HVOF spray treatment is formed with HVOF spray coating (18).
3. multi-sealed ball valve according to claim 1, it is characterised in that: the left valve barrel (13) and right valve barrel (14)
Inside offer annular groove (19), valve seat (15) sliding gomphosis is in the annular groove (19), the valve seat (15) and annular groove (19)
Wall surface between be provided with multiple compressed springs (20).
4. multi-sealed ball valve according to claim 3, it is characterised in that: between the valve seat (15) is along the circumferential direction equal
Away from multiple receiving circular holes (21) are offered, the compressed spring (20), which is in, to be accommodated in circular hole (21).
5. multi-sealed ball valve according to claim 3, it is characterised in that: the valve seat (15) is interior with annular groove (19)
O-ring (22) are provided between wall.
6. multi-sealed ball valve according to claim 1, it is characterised in that: the valve seat (15) offers the first card slot
(23) it is connected and fixed with the second card slot (24), the elastic support ring (16) with the first card slot (23), the elastic sealing ring
(17) it is connected and fixed with the second card slot (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596016.3U CN209213056U (en) | 2018-09-28 | 2018-09-28 | Multi-sealed ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821596016.3U CN209213056U (en) | 2018-09-28 | 2018-09-28 | Multi-sealed ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209213056U true CN209213056U (en) | 2019-08-06 |
Family
ID=67455092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821596016.3U Active CN209213056U (en) | 2018-09-28 | 2018-09-28 | Multi-sealed ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209213056U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221447A (en) * | 2023-03-09 | 2023-06-06 | 五洲阀门股份有限公司 | High-sealing ball valve |
-
2018
- 2018-09-28 CN CN201821596016.3U patent/CN209213056U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221447A (en) * | 2023-03-09 | 2023-06-06 | 五洲阀门股份有限公司 | High-sealing ball valve |
| CN116221447B (en) * | 2023-03-09 | 2023-08-15 | 五洲阀门股份有限公司 | High-sealing ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209213056U (en) | Multi-sealed ball valve | |
| CN203322379U (en) | Three-way fixed four-valve-seat hard-seal ball valve | |
| CN102410381A (en) | Bidirectional hard seal ball valve for coal chemical industry | |
| CN202733040U (en) | Three-sealing ball valve seat | |
| CN108980399A (en) | Multi-sealed ball valve | |
| CN202674366U (en) | Valve seat of ball valve | |
| CN208919381U (en) | Split type metal soft sealing ball valve | |
| CN202188153U (en) | Bidirectional hard-seal fixed-type ball valve used in coal chemical industry | |
| CN211009930U (en) | Vector sealing valve | |
| CN207584073U (en) | A kind of high abrasion full lining formula ceramic ball valve | |
| CN207364321U (en) | A kind of hard seal ball valve | |
| CN208058030U (en) | One kind is two-way to use machinery valve | |
| CN207634725U (en) | A kind of anti-wear gate valve | |
| CN108980415A (en) | Multichannel high temperature all-metal sealing ball valve | |
| CN210830523U (en) | Butterfly valve | |
| CN2408308Y (en) | Spring ring type sealing filler | |
| CN101561052A (en) | Arc-straight line dual-path sealed ball valve base | |
| CN205350426U (en) | Floating ball valve | |
| CN219082304U (en) | High-temperature ball valve | |
| CN218118686U (en) | Wear-resisting high-precision pneumatic three-way ball valve | |
| CN209294630U (en) | A kind of whirl compensator | |
| CN102466057A (en) | Air bag valve | |
| CN208457240U (en) | A kind of Novel Brake Valve | |
| CN208886025U (en) | A kind of floating valve seat ball valve | |
| CN2687449Y (en) | Unloading ball valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Ball valve with multiple seals Effective date of registration: 20211115 Granted publication date: 20190806 Pledgee: Zhejiang Commercial Bank Co.,Ltd. Wenzhou Longwan sub branch Pledgor: WUZHOU VALVE Co.,Ltd. Registration number: Y2021330002216 |