CN208474540U - A kind of longitudinal single weld seam all-welded ball valve of spherical - Google Patents
A kind of longitudinal single weld seam all-welded ball valve of spherical Download PDFInfo
- Publication number
- CN208474540U CN208474540U CN201820535964.XU CN201820535964U CN208474540U CN 208474540 U CN208474540 U CN 208474540U CN 201820535964 U CN201820535964 U CN 201820535964U CN 208474540 U CN208474540 U CN 208474540U
- Authority
- CN
- China
- Prior art keywords
- valve
- barrel
- valve barrel
- sphere
- weld seam
- 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 longitudinal single weld seam all-welded ball valves of spherical, including left valve barrel and right valve barrel, it is fixed between left valve barrel and right valve barrel by pin shaft and support plate, the hollow portion of left valve barrel and right valve barrel is provided with sphere, valve component is provided at left and right sides of sphere, bearing is provided between support plate and sphere, valve rod is provided at the top of sphere, valve rod outer sheath is equipped with valve neck, spacer ring is provided between valve neck and valve rod, flat key is fixed with by screw on the outside of valve stem top, terminal pad is provided between flat key and valve neck, terminal pad is fixed by pin shaft and screw with valve neck, pass through electrostatic spring and electrostatic steel ball respectively with bottom in the middle part of valve rod and contact connection with terminal pad and sphere, grease pouring valve is provided on the left valve barrel and right valve barrel, blow valve is provided on the right valve barrel, the right valve barrel bottom is provided with blowdown valve module.The utility model has the characteristics that structure is simple, good seal performance, long service life.
Description
Technical field
The utility model belongs to ball valve technical field, in particular to a kind of longitudinal single weld seam all-welded ball valve of spherical.
Background technique
Ball valve is mainly used in oil and gas feed-line, chemical plant, fire protection pipeline, offshore platform etc..Entirely
The structure of welding ball valve is generally divided into three-body type and fixed ball.The working principle of all-welded ball valve: all-welded ball valve is with having
The sphere of circular channel is rotated by 90 ° with the rotation of valve rod around the axis of valve rod as opening and closing element, sphere, is realized and is opened and close
The purpose closed.
Problems and disadvantages existing for ball valve in the prior art are as follows:
A) what is used on current pipeline is all conventional barrel three-body type all-welded ball valve, and this structure blank substantially uses
Be all flat-die forging, volume is big, machining allowance is big, and production cost is relatively high, results in waste of resources, and product overall weight is inclined
Weight.
B) due to causing weld seam quantity to increase using barrel-shaped three-body type structure, welding material waste, welding efficiency
Low, more leakage points directly affect the security performance and service life of product.
C) what is generally used is all upper lower valve stem structure, and medium acts directly on valve rod the thrust of sphere, and valve rod is held
By torsional stress and bending stress, the increase of heavy caliber all-welded ball valve torque influences valve service life.
D) blowdown valve is directly installed on the bottom of valve body, and all-welded ball valve is used for a long time rear valve body inner cavity and needs to clean, clearly
It needs the bottom that people will arrive valve body when blowdown to twist off blowdown valve after washing and carries out blowdown, narrow space is not only dirty but also tired and uneasy
Entirely, it makes troubles to on-site maintenance.
The reason of appearance: structure design comparison is simple, and forging is easier to form, and processing and manufacturing is easier to realize, adds
Work is simple and convenient；
Summary of the invention
Goal of the invention: in view of the problems of the existing technology provide that a kind of structure is simple, good seal performance, service life
Long and have that small in size, light-weight, installation space is small, easy to use, the longitudinal single weld seam of safe and reliable spherical is complete
Welding ball valve.
Technical solution: the utility model provides a kind of longitudinal single weld seam all-welded ball valve of spherical, including left valve barrel and the right side
Valve body is fixed between left valve barrel and right valve barrel by pin shaft and support plate, and the hollow portion of left valve barrel and right valve barrel is provided with sphere,
It is provided with valve component at left and right sides of sphere, bearing is provided between support plate and sphere, is provided with valve rod, valve rod at the top of sphere
Outer sheath is equipped with valve neck, is provided with spacer ring between valve neck and valve rod, is fixed with flat key by screw on the outside of valve stem top, flat key and
Terminal pad is provided between valve neck, terminal pad is fixed by pin shaft and screw with valve neck, and in the middle part of valve rod and bottom passes through quiet respectively
Electrical spring and electrostatic steel ball contact connection with terminal pad and sphere, and grease pouring valve, institute are provided on the left valve barrel and right valve barrel
It states and is provided with blow valve on right valve barrel, the right valve barrel bottom is provided with blowdown valve module.The longitudinal single weld seam of spherical welds entirely
Ball for ball valve uses upper and lower support plate structure to design completely, and medium is supported plate to the thrust of sphere and absorbs, and valve rod is solely subjected to turn round
Turn power and be not subject to bending stress, increases the service life of valve rod.When the longitudinal single weld seam all-welded ball valve structure of spherical designs
Blowdown apparatus directlys adopt the outside that welding pipe extends to valve body, and a small ball is installed in blowdown valve front end, and pipeline is just
It is often in close state when small ball when operation, blowdown valve can be first twisted off when if necessary to blowdown, then opens bead
Valve can be carried out blowdown, not only clean but also safe.
Further, the left valve barrel and right valve barrel bottom are provided with support base, the left valve barrel and right valve barrel top
It is provided with lifting lug.By the way that support base is arranged in left valve barrel and right valve barrel bottom, whole equipment can be preferably supported, is played more
Good stability.By the way that lifting lug is arranged at the top of left valve barrel and right valve barrel, preferably integral device can be lifted, conveniently
It carries.
Further, there are two the flat key settings, two flat keys are symmetricly set on valve rod outer wall.
Further, it is provided with several annular grooves on the spacer ring, O-shaped sealing is provided in each annular groove
Circle, spacer ring bottom are provided with thrust pad, are provided with Packing seat at the top of spacer ring.By the way that several O-ring seals are arranged on spacer ring,
Better seal effect can be played.
Further, the Packing seat bottom is provided with fire-protection ring.It, can be to prevent by the way that fire-protection ring is arranged in Packing seat bottom
Only equipment generates fire hazard in use.
Further, snap ring is provided between the Packing seat and terminal pad.
Further, bearing gasket is provided between sphere and bearing.
Further, there are two the support plate settings, a support plate is arranged at the top of left valve barrel and right valve barrel, another
It is a to be arranged in left valve barrel and right valve barrel bottom.
Further, the O-ring seal is elastic material composition.
The utility model has the advantages that compared with the prior art, the utility model has the following advantages:
1, the utility model is forged using two style structure, valve body using mold, and inside and outside contour does not need processing can
With straight forming, overall weight is light, and machining allowance is few, can save material, reduces cost, while reducing energy consumption, passes through for enterprise
Ji transition and upgrade and energy-saving and emission-reduction have great importance, and production cost is low, good seal performance, and added value of product is high, have compared with
The strong market competitiveness.
2, the utility model outer shape is consistent with internal profile, optimal to realize minimum weight and maximum stabilization
Property ability to bear, blank weight ratio it is barrel-shaped save 30% or so, can bear safely maximum stress without destroy ball valve connection and
Sealing.Ball valve shell is full welded type, can bear high inside and outside pressure, also can safely be worked under hazardous medium.
3, for the utility model due to designing using single welding line structure, weld seam quantity is few, can save material, reduce at
This, while energy consumption is reduced, welding efficiency is high, and leak point is few, and weld seam is located at the centre of valve body when due to design, far from valve base sealing
Seating position damage caused by sealing surface of seat is passed through so as to avoid high temperature when weld seam welding in face, and product safety performance is high,
Long service life.
4, the utility model sphere uses upper and lower support plate structure to design completely, and medium is supported plate to the thrust of sphere and inhales
It receives, valve rod is solely subjected to twisting resistance and is not subject to bending stress, increases the service life of valve rod.
5, blowdown apparatus directlys adopt the outside that welding pipe extends to valve body, and blowdown valve when the utility model designs
A small ball is installed in front end, is in close state when small ball when pipeline operates normally, can be with when if necessary to blowdown
Blowdown valve is first twisted off, then opening small ball can be carried out blowdown, not only clean but also safe.
6, the utility model terminal pad is designed according to general international standard, can be required according to the difference of client,
Select the executing agencies such as Worm Wheel System, electronic, pneumatic, gas-liquid linked.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the side view of the utility model；
Fig. 3 is the enlarged drawing in the portion I in Fig. 1；
Fig. 4 is the enlarged drawing in the portion II in Fig. 1.
1, left valve barrel, 2, right valve barrel, 3, valve neck, 4, sphere, 5, valve component, 6, valve rod, 7, flat key, 8, screw, 9, every
Ring, 10, Packing seat, 11, snap ring, 12, fire-protection ring, 13, terminal pad, 14, support plate, 15, bearing, 16, support base, 17, lifting lug,
18, O-ring seals, 19, thrust pad, 20, bearing gasket, 21, pin shaft, 22, electrostatic spring, 23, electrostatic steel ball, 24 grease pouring valves, 25,
Blow valve, 26, blowdown valve module.
Specific embodiment
Technical solutions of the utility model are described in detail below, but the protection scope of the utility model is not limited to
The embodiment.
The utility model is to use the sphere with circular channel as opening and closing element, and sphere is as the rotation of valve rod is around valve rod
Axis is rotated by 90 °, and realizes the purpose of opening and closing.As shown in Figure 1-3, the utility model includes left valve barrel 1 and right valve barrel 2,
The valve component 5 is separately mounted to left valve barrel 1 and the cooperation of 2 intermediate gap of right valve barrel, and the bearing gasket 20 is matched with 4 gap of sphere
It closes, the bearing 15 is mounted in support plate 14 and is fitted close, and the support plate 14 is separately mounted to about 4 two axis of sphere
End, the pin shaft 21 are interference fitted with left valve barrel 1, the support plate 14 and 1 upper pin of left valve barrel, 21 clearance fit, the pin shaft
21 are mounted on the tight fit of 14 other end of support plate, the pin shaft above pin hole and support plate 14 above the right valve barrel 2 into
Row cooperation, then left and right valve body is welded, and welding material extra above valve body is machined away after welding, the valve neck 3
It is mounted on the valve body of left and right, is then welded, the electrostatic spring 22 and electrostatic steel ball 23 are separately mounted on valve rod 6, institute
State valve rod 6 and be mounted in sphere 4 and be interference fitted, the thrust pad 19 and 6 clearance fit of valve rod, the O-ring seals 18 with every
Ring 9 is fitted close, and the spacer ring 9 is mounted on the cooperation of 3 intermediate gap of valve neck, and the fire-protection ring 12 is mounted on Packing seat 10, described
Snap ring 11 and 3 clearance fit of valve neck, the terminal pad 13 and 3 clearance fit of valve neck, the pin shaft 21 are interference fitted with valve neck 3,
The screw 8 is threadedly engaged with valve neck 3, and the flat key 7 is fitted close with valve rod 6, and the screw 8 is threadedly engaged with valve rod 6, institute
It states grease pouring valve 24 to be threadedly engaged with left valve barrel 1 and right valve barrel 2, the blow valve 25 is threadedly engaged with right valve barrel 2, the blowdown valve
26 right valve barrel 2 of component is welded, and the support base 16 and lifting lug 17 are respectively welded on left valve barrel 1 and right valve barrel 2.
It is sub that the above description is only the embodiments of the present invention, is not intended to limit the utility model.It is all in this reality
Within novel principle, made equivalent replacement be should be included within the scope of protection of this utility model.The utility model
The content not being elaborated belongs to prior art well known to this professional domain technical staff.
Claims (9)
1. a kind of longitudinal single weld seam all-welded ball valve of spherical, it is characterised in that: including left valve barrel and right valve barrel, left valve barrel and the right side
It is fixed between valve body by pin shaft and support plate, the hollow portion of left valve barrel and right valve barrel is provided with sphere, sets at left and right sides of sphere
It is equipped with valve component, bearing is provided between support plate and sphere, valve rod is provided at the top of sphere, valve rod outer sheath is equipped with valve
Neck, is provided with spacer ring between valve neck and valve rod, valve stem top outside is fixed with flat key by screw, is arranged between flat key and valve neck
There is terminal pad, terminal pad is fixed by pin shaft and screw with valve neck, and in the middle part of valve rod and bottom passes through electrostatic spring and electrostatic respectively
Steel ball contacts connection with terminal pad and sphere, and grease pouring valve is provided on the left valve barrel and right valve barrel, is set on the right valve barrel
It is equipped with blow valve, the right valve barrel bottom is provided with blowdown valve module.
2. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 1, it is characterised in that: the left valve barrel
It is provided with support base with right valve barrel bottom, is provided with lifting lug at the top of the left valve barrel and right valve barrel.
3. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 1, it is characterised in that: the flat key is set
There are two setting, two flat keys are symmetricly set on valve rod outer wall.
4. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 1, it is characterised in that: on the spacer ring
Several annular grooves are provided with, O-ring seal is provided in each annular groove, spacer ring bottom is provided with thrust pad, every
Packing seat is provided at the top of ring.
5. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 4, it is characterised in that: the Packing seat
Bottom is provided with fire-protection ring.
6. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 4, it is characterised in that: the Packing seat
Snap ring is provided between terminal pad.
7. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 1, it is characterised in that: sphere and bearing
Between be provided with bearing gasket.
8. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 1, it is characterised in that: the support plate
There are two settings, and a support plate is arranged at the top of left valve barrel and right valve barrel, another is arranged in left valve barrel and right valve barrel bottom.
9. the longitudinal single weld seam all-welded ball valve of a kind of spherical according to claim 4, it is characterised in that: described O-shaped close
Seal is elastic material composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820535964.XU CN208474540U (en) | 2018-04-16 | 2018-04-16 | A kind of longitudinal single weld seam all-welded ball valve of spherical |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820535964.XU CN208474540U (en) | 2018-04-16 | 2018-04-16 | A kind of longitudinal single weld seam all-welded ball valve of spherical |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208474540U true CN208474540U (en) | 2019-02-05 |
Family
ID=65207493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820535964.XU Active CN208474540U (en) | 2018-04-16 | 2018-04-16 | A kind of longitudinal single weld seam all-welded ball valve of spherical |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208474540U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626426A (en) * | 2018-04-16 | 2018-10-09 | 西尼（南京）阀门机械有限公司 | A kind of longitudinal single weld seam all-welded ball valve of spherical |
| CN109990110A (en) * | 2019-05-05 | 2019-07-09 | 凯瑞特阀业有限公司 | Forced seal ball valve |
-
2018
- 2018-04-16 CN CN201820535964.XU patent/CN208474540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626426A (en) * | 2018-04-16 | 2018-10-09 | 西尼（南京）阀门机械有限公司 | A kind of longitudinal single weld seam all-welded ball valve of spherical |
| CN109990110A (en) * | 2019-05-05 | 2019-07-09 | 凯瑞特阀业有限公司 | Forced seal ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208474540U (en) | A kind of longitudinal single weld seam all-welded ball valve of spherical | |
| CN108105420A (en) | A kind of high-pressure hydraulic pump discharge control valve | |
| CN205937930U (en) | Integral stainless steel fast -assembling all -welded ball valve | |
| CN202001646U (en) | Cage type regulating valve with single seat | |
| CN103307302B (en) | Dress formula low temperature floating ball valve in one | |
| CN108626426A (en) | A kind of longitudinal single weld seam all-welded ball valve of spherical | |
| CN103470790A (en) | Three eccentric metal seal butterfly valve | |
| CN206409666U (en) | A kind of integral type cast steel ball valve | |
| CN202691171U (en) | High pound level forged steel full-open swing check valve | |
| CN110848429A (en) | Cut-off double-purpose valve | |
| CN205101608U (en) | Liquid level valves | |
| CN202140605U (en) | Split-assembly type sewage-discharging ball valve | |
| CN204942690U (en) | A kind of roof-mounted fixing ball valve made a concession without the need to valve seat | |
| CN108626405A (en) | A kind of electric sleeve barrel formula adjustable throttling | |
| CN102305323A (en) | Reverse spherical single-spring rotary joint | |
| CN208503487U (en) | A kind of electric sleeve barrel formula adjustable throttling | |
| CN209041689U (en) | Ball valve with split type valve body | |
| CN203082275U (en) | High-temperature low-flow-resistance selection vale of Y-type channel | |
| CN216618587U (en) | Double-control combined liquid level valve | |
| CN202451900U (en) | Right-angle quick closing check valve | |
| CN205895193U (en) | Tuningout polish rod sealing device is prevented spouting by high abrasion | |
| CN209725249U (en) | Flue damper plate valve | |
| CN209781725U (en) | heat supply pipe network ball valve | |
| CN219911866U (en) | Combined swing check valve convenient to overhaul and replace internal device | |
| CN218408651U (en) | Built-in swash plate type check valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |