CN107940016A - A kind of seal ball-valve - Google Patents
A kind of seal ball-valve Download PDFInfo
- Publication number
- CN107940016A CN107940016A CN201711341174.4A CN201711341174A CN107940016A CN 107940016 A CN107940016 A CN 107940016A CN 201711341174 A CN201711341174 A CN 201711341174A CN 107940016 A CN107940016 A CN 107940016A
- Authority
- CN
- China
- Prior art keywords
- lip
- valve
- sealing ring
- ball
- hole
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 104
- 230000006835 compression Effects 0.000 claims abstract description 19
- 238000007906 compression Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 18
- 238000005299 abrasion Methods 0.000 abstract description 6
- 230000009471 action Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 210000000988 bone and bone Anatomy 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3208—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip provided with tension elements, e.g. elastic rings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
- F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The present invention provides a kind of seal ball-valve, including valve body and valve ball, the valve ball is arranged in the valve chamber of the valve body, further include sealing ring and compression ring, the sealing ring is arranged between the valve ball and the valve body, and the compression ring is arranged in the first hole of the valve body and is pressed on the flange of the first skeleton of the sealing ring.Seal ball-valve provided by the invention, the setting of the more lips of sealing ring can strengthen the sealing effect of sealing ring, first skeleton is under the action of compression ring, hang plate presses the first lip, the sealing effect of sealing ring can be strengthened, the setting of helical spring can strengthen the leakproofness between sealing ring and valve ball, in addition, hang plate presses the elastic force of the first lip and helical spring can be between compensation sealing circle and valve ball because of gap that abrasion is brought, the leakproofness between sealing ring and valve ball is maintained, and then extends the purpose of the service life of ball valve.
Description
Technical field
The present invention relates to valve field, more particularly to a kind of seal ball-valve.
Background technology
Ball valve is in standard GB/T21465-2008《Valve term》Defined in be：Opening and closing element (sphere) by valve rod drive and around
The valve that ball valve axis rotates.
Chinese patent 201610040710.6, discloses a kind of ball valve, and the ball valve is described to ensure the sealing effect of ball valve
The second seal groove is offered in valve body, the surface of the second sealing ring and valve ball in the second seal groove abuts against, valve
The 3rd seal groove is offered in seat, the surface of the 3rd sealing ring and valve ball in the 3rd seal groove abuts against, and passes through
Cooperation between second sealing ring, the 3rd sealing ring and valve ball, so as to ensure that the sealing effect of ball valve.But in spool
Abrasion occurs in ball rotation process, between sealing ring and valve ball, after long-time use, can be produced between sealing ring and valve ball
Raw gap, medium are leaked by gap, the leakproofness failure of ball valve, and then shorten the service life of ball valve.
In conclusion how to strengthen the leakproofness of ball valve, delay sealing ring to fail, be that those skilled in the art are badly in need of solving
The problem of.
The content of the invention
The object of the present invention is to provide a kind of seal ball-valve, solves because of valve ball and ring wear, causes ball valve to be let out
The problem of leakage.
In order to solve the above technical problems, the present invention provides following technical solution：A kind of seal ball-valve, including valve body and spool
Ball, the valve ball are arranged in the valve chamber of the valve body, further include sealing ring and compression ring, and the sealing ring is arranged on described
Between valve ball and the valve body, the compression ring is arranged in the first hole of the valve body and is pressed on the sealing ring
On the flange of first skeleton.
Further, first skeleton is embedded in the first skeleton mounting hole of the sealing ring, first skeleton
Further include hang plate and riser, the included angle A of the hang plate and the axis of first skeleton is 30 °~44 °, and the riser connects
It is connected on the hang plate, the flange is connected on the edge of the riser, and the hang plate is embedded in described first annular
It is embedded in hole and close to the first lip of the sealing ring, the riser in second looping pit, the end of the flange
Portion is embedded in the 3rd looping pit, and the first groove face of the annular groove portion of the compression ring keeps out the front end in the flange
Outer inclined-plane on, the first labial surface of first lip fits with the spool ball surface of the valve ball.
Further, the second lip, the 3rd lip and the 4th lip, second lip are additionally provided with the sealing ring
Inner wall and the junction of the bottom surface in second hole, the 3rd lip in the second hole of the valve body is kept out to keep out described
The inner edge inner wall of the circular sink hole of valve body and the junction of the bottom surface of the circular sink hole, the 4th lip are kept out in the valve
The junction of the outer rim inner wall of the circular sink hole of body and the bottom surface of the circular sink hole, the first skeleton mounting hole is from described the
Start to extend at second lip at one lip.
Further, the front end of the flange is contained in the annular groove portion, the second groove of the annular groove portion
Face and the periphery of the flange are separated by a certain distance.
Further, inner groove, outer groove, U-type groove and U-shaped annular groove, the inner groove are additionally provided with the sealing ring
It is arranged on the inner wall of the body of the sealing ring and between first lip and the 3rd lip, the outer shroud
Groove is arranged on the outer wall of the body of the sealing ring and between second lip and the 4th lip, described U-shaped
Groove be arranged on the right side of the body of the sealing ring and positioned at the lower section of the 3rd lip and with the 3rd lip
Spring mounting groove be connected, on the right side for the body that the U-shaped annular groove is arranged on the sealing ring and positioned at the described 4th
The top of lip, the body of the sealing ring are contained in the 3rd hole of the valve body.
Further, spring, a part outer circumferential U-type groove of the spring are installed in the spring mounting groove
Interior extension, the U-type groove run through the body of the sealing ring through the right side of the body of the sealing ring, the U-shaped annular groove
Right side.
Further, the right side of the body of the sealing ring is equipped with several round platform portions, and the round platform portion is set
Between the 3rd lip and the 4th lip, the round platform portion extends into the spring eye of the valve body, the round platform
Keep out on the helical spring in the spring eye front end in portion.
Further, the second skeleton mounting hole is additionally provided with the sealing ring, the second skeleton mounting hole is located at institute
State near round platform portion, the second skeleton is installed in the second skeleton mounting hole.
Further, the second skeleton mounting hole includes fourth annular hole and the 5th looping pit, the fourth annular
Hole is connected with the 5th looping pit, and the 5th looping pit extends to the end in the round platform portion.
Further, second skeleton includes pipe portion and annular disc portion, and the pipe portion is connected with the annular disc portion
Connect, the pipe portion is embedded in the fourth annular hole, and the annular disc portion is embedded in the 5th looping pit.
It can be seen from above-mentioned technical proposal the invention has the advantages that：
1. in the present invention, sealing ring is equipped with the first skeleton, and under the action of compression ring, the first skeleton extrudes to the right, can
To lift the sealing effect that sealing is contacted between the second lip and valve body, lifted between the 3rd lip and valve body and contact the close of sealing
Effect is sealed, lifts the sealing effect that sealing is contacted between the 4th lip and valve body, in addition, under the action of compression ring, the first bone
The hang plate of frame presses the first lip so that and the first lip is fitted closely with valve ball, meanwhile, in long-term use, hang plate
Press the first lip, the gap brought between the first lip and valve ball by abrasion can be compensated；
2. the setting of the more lips of sealing ring can strengthen the sealing effect of sealing ring, the first labial surface and valve ball of the first lip
Spool ball surface fit, realize sealing, the second lip keeps out the inner wall in the second hole of valve body and the bottom surface in the second hole
Junction, realizes sealing, and the 3rd lip keeps out the combination in the inner edge inner wall of the circular sink hole of valve body and the bottom surface of circular sink hole
Place, realizes sealing, and the 4th lip keeps out the junction in the outer rim inner wall of the circular sink hole of valve body and the bottom surface of circular sink hole, real
Now seal；
3. the setting of helical spring can strengthen the sealing effect between the first lip and valve ball, first can also compensate for
Because of the gap that abrasion produces between lip and valve ball, the sealing effect between the first lip and valve ball is maintained, and then
Extend the purpose of ball valve service life.
The present invention is described in further detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the overall structure diagram of the sealing ring of the present invention.
Fig. 3 is the structure diagram of the elastomer of the sealing ring of the present invention.
Fig. 4 is the structure diagram of the first skeleton of the present invention.
Fig. 5 is the structure diagram of the second skeleton of the present invention.
Fig. 6 is the structure diagram of the compression ring of the present invention.
Fig. 7 is the partial structural diagram of the valve body of the present invention.
Description of reference numerals：Valve ball 10, spool ball surface 11, valve body 20, the first hole 21, the second hole 22, the 3rd hole 23,
Threaded hole 24, circular sink hole 25, outer rim inner wall 251, inner edge inner wall 252, spring eye 26, the 4th hole 27, the second connecting tube 30 are close
Seal 40, inner groove 40a, outer groove 40b, U-type groove 40c, U-shaped annular groove 40d, the first lip 41, the first labial surface 41a, the second lip
Portion 42, the 3rd lip 43, spring mounting groove 43a, the 4th lip 44, round platform portion 45, the first skeleton mounting hole 46, first annular hole
46a, the second looping pit skeleton mounting hole 47 of 46b, the 3rd looping pit 46c, second, fourth annular hole 47a, the 5th looping pit 47b,
Compression ring 50, screw vent 51, annular groove portion 52, the first groove face 52a, the second groove face 52b, spring 60, the first skeleton 70, tilts
Plate 70a, riser 70b, flange 70c, the second skeleton 80, pipe portion 81, annular disc portion 82, helical spring 90.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Below with reference to Fig. 1 to Fig. 7, the invention will be further described, a kind of seal ball-valve as shown in Figure 1, including valve body
20 and valve ball 10, the right end of valve body 20 be equipped with the 4th hole 27, the second connecting tube 30 is connected on the 4th hole 27, and valve ball 10 is set
Put in the valve chamber 28 of valve body 20, seal ball-valve further includes sealing ring 40 and compression ring 50, and sealing ring 40 is arranged on valve ball 10
Between valve body 20, compression ring 50 is arranged in the first hole 21 of valve body 20 and is pressed on the first skeleton 70 of sealing ring 40
On flange 70c, said structure is similarly disposed at the valve seat side of ball valve, sealing ring 40, valve ball 10, valve body 20, valve seat and pressure
Tight ring 50 cooperates, and effectively prevents dielectric leakage, ensure that the sealing effect of ball valve.
In the present embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 6, Fig. 7, the first skeleton 70 is embedded in the of sealing ring 40
In one skeleton mounting hole 46, the first skeleton 70 includes the axis of hang plate 70a and riser 70b, hang plate 70a and the first skeleton 70
Included angle A be 30 °~44 °, riser 70b is connected on hang plate 70a, and flange 70c is connected on the edge of riser 70b, tilt
Plate 70a is embedded in first annular hole 46a and is embedded in the second looping pit close to the first lip 41 of sealing ring 40, riser 70b
In 46b, the terminal part of flange 70c is embedded in the 3rd looping pit 46c, the first groove face 52a of the annular groove portion 52 of compression ring 50
Keep out in the outer inclined-plane of the front end of flange 70c, the front end of flange 70c is contained in annular groove portion 52, annular groove portion 52
The periphery of the second groove face 52b and flange 70c be separated by a certain distance, the first labial surface 41a and the valve ball 10 of the first lip 41
Spool ball surface 11 fits.Compression ring 50 is equipped with several screw vents 51, correspondingly, the bottom in the first hole 21 of valve body 20
Face is equipped with several threaded holes 24, and by screw, compression ring 50 and valve body 20 are fitted close.In sealing, compression ring 50
First groove face 52a is kept out in the outer inclined-plane of the front end of flange 70c so that flange 70c is squeezed, so as to promote the first bone
Frame 70 extrudes to the right, lifts the sealing effect that sealing is contacted between the second lip 42 and valve body 20, the 3rd lip 43 of lifting with
The sealing effect of sealing is contacted between valve body 20, lifts the sealing effect that sealing is contacted between the 4th lip 44 and valve body 20, together
When, in sealing, flange 70c is squeezed so that hang plate 70a shifts to the first lip 41, promotes the first lip 41
Coordinate with valve ball 10 it is even closer so that lift-off seal effect, in addition, after prolonged use, the first lip 41 and spool
Ball 10 can produce abrasion, and under the action of compression ring 50, hang plate 70a shifts to the first lip 41, can compensate because of mill
The gap produced is damaged, the leakproofness between the first lip 41 and valve ball 10 is kept, so as to extend the service life of ball valve.
In the present embodiment, as shown in Figure 1, Figure 2 and Figure 7, the second lip 42,43 and of the 3rd lip are additionally provided with sealing ring 40
4th lip 44, the first skeleton mounting hole 46 at the first lip 41 extend at the second lip 42, in sealing,
Second lip 42 keeps out the junction in the inner wall in the second hole 22 of valve body 20 and the bottom surface in the second hole 22, forms contact sealing,
3rd lip 43 keeps out the inner edge inner wall 252 and the junction of the bottom surface of circular sink hole 25 in the circular sink hole 25 of valve body 20, shape
Sealed into contact, the 4th lip 44 keeps out the bottom surface of the outer rim inner wall 251 and circular sink hole 25 in the circular sink hole 25 of valve body 20
Junction, formed contact sealing, many places sealing is provided with beneficial to lift-off seal effect.
In the present embodiment, as shown in Figure 2 and Figure 3, inner groove 40a, outer groove 40b, U-type groove 40c are additionally provided with sealing ring 40
It is arranged on the inner wall of the body of sealing ring 40 with U-shaped annular groove 40d, inner groove 40a and is located at the first lip 41 and the 3rd lip
Between 43, be conducive to produce deformation when 40 body of sealing ring is squeezed, outer groove 40b is arranged on the outer wall of the body of sealing ring 40
Above and between the second lip 42 and the 4th lip 44, be conducive to produce deformation, U-type groove when 40 body of sealing ring is squeezed
40c be arranged on the right side of the body of sealing ring 40 and positioned at the lower section of the 3rd lip 43 and with the spring of the 3rd lip 43
Mounting groove 43a is connected, and is conducive to the 3rd lip 43 and produces deformation, U-shaped annular groove 40d is arranged on the right end of the body of sealing ring 40
Be conducive to the 4th lip through the right side of the body of sealing ring 40 on face and positioned at the top of the 4th lip 44, U-shaped annular groove 40d
Portion 44 produces deformation, and the body of sealing ring 40 is contained in the 3rd hole 23 of valve body 20.
In the present embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 7, spring 60 is installed in spring mounting groove 43a, spring 60
Extension in a part of outer circumferential U-type groove 40c, U-type groove 40c is through the right side of the body of sealing ring 40, the elastic force edge of spring 60
Radially-inwardly so that the 3rd lip 43 is more closely kept out on the inner edge inner wall 252 of the circular sink hole 25 of valve body 20, so as to carry
Rise sealing effect.
In the present embodiment, as shown in Figure 1, Figure 2, shown in Fig. 7, the right side of the body of sealing ring 40 is equipped with several round platform portions
45, round platform portion 45 is arranged between the 3rd lip 43 and the 4th lip 44, and round platform portion 45 extends into the spring eye 26 of valve body 20,
Keep out on the helical spring 90 in spring eye 26 front end in round platform portion 45.
In the present embodiment, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 5, the second skeleton mounting hole 47 is additionally provided with sealing ring 40, the
Two skeleton mounting holes 47 are located near round platform portion 45, and the second skeleton 80, the second skeleton peace are provided with the second skeleton mounting hole 47
Dress hole 47 includes fourth annular hole 47a and the 5th looping pit 47b, and fourth annular hole 47a is connected with the 5th looping pit 47b, the
Five looping pit 47b extend to the end in round platform portion 45, and the second skeleton 80 includes pipe portion 81 and annular disc portion 82, pipe portion 81 and annular
Pan portion 82 is connected, and pipe portion 81 is embedded in the 47a of fourth annular hole, and annular disc portion 82 is embedded in the 5th looping pit 47b.
In the present embodiment, the left end of helical spring 90 is kept out on the front end face in round platform portion 45, the right end of helical spring 90
Keep out on the bottom wall of spring eye 26.In sealing, the elastic force of helical spring 90 is acted on sealing ring 40, strengthens the first lip
41 are fitted close with the sealing effect at valve ball 10, the first groove face 52a of enhancing and flange 70c, meanwhile, used in long-time
Afterwards, helical spring 90 can compensate the gap produced by abrasion, maintain the leakproofness between sealing ring 40 and valve ball 10,
So as to extend the service life of ball valve.
It these are only the preferred embodiment of the present invention, be not intended to limit the invention, for those skilled in the art
For member, the invention may be variously modified and varied.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of seal ball-valve, including valve body (20) and valve ball (10), the valve ball (10) are arranged on the valve body (20)
Valve chamber (28) in, it is characterised in that sealing ring (40) and compression ring (50) are further included, described in the sealing ring (40) is arranged on
Between valve ball (10) and the valve body (20), the compression ring (50) is arranged in the first hole (21) of the valve body (20),
And it is pressed on the flange (70c) of the first skeleton (70) of the sealing ring (40).
2. seal ball-valve according to claim 1, it is characterised in that first skeleton (70) is embedded in the sealing ring
(40) in the first skeleton mounting hole (46), first skeleton (70) further includes hang plate (70a) and riser (70b), described
The included angle A of hang plate (70a) and the axis of first skeleton (70) is 30 °~44 °, and the riser (70b) is connected to described
On hang plate (70a), the flange (70c) is connected on the edge of the riser (70b), and the hang plate (70a) is embedded in
It is embedded in the first annular hole (46a) and close to the first lip (41) of the sealing ring (40), the riser (70b)
In second looping pit (46b), the terminal part of the flange (70c) is embedded in the 3rd looping pit (46c), the pressure
The first groove face (52a) of the annular groove portion (52) of tight ring (50) is kept out in the outer inclined-plane of the front end of the flange (70c), institute
The first labial surface (41a) of the first lip (41) is stated to fit with the spool ball surface (11) of the valve ball (10).
3. seal ball-valve according to claim 2, it is characterised in that be additionally provided with the second lip on the sealing ring (40)
(42), the 3rd lip (43) and the 4th lip (44), second lip (42) are kept out in the second hole of the valve body (20)
(22) inner wall and the junction of the bottom surface of second hole (22), the 3rd lip (43) are kept out in the valve body (20)
The inner edge inner wall (252) of circular sink hole (25) and the junction of the bottom surface of the circular sink hole (25), the 4th lip (44)
Keep out the combination in the outer rim inner wall (251) of the circular sink hole (25) of the valve body (20) and the bottom surface of the circular sink hole (25)
Place, the first skeleton mounting hole (46) from first lip (41) extend to second lip (42)
Place.
4. seal ball-valve according to claim 2, it is characterised in that the front end of the flange (70c) is contained in described
In annular groove portion (52), the second groove face (52b) of the annular groove portion (52) is with the periphery of the flange (70c) at a distance of a spacing
From.
5. seal ball-valve according to claim 3, it is characterised in that be additionally provided with inner groove on the sealing ring (40)
(40a), outer groove (40b), U-type groove (40c) and U-shaped annular groove (40d), the inner groove (40a) are arranged on the sealing ring
(40) on the inner wall of body and between first lip (41) and the 3rd lip (43), the outer groove
(40b) is arranged on the outer wall of the body of the sealing ring (40) and positioned at second lip (42) and the 4th lip
(44) between, on the right side for the body that the U-type groove (40c) is arranged on the sealing ring (40) and it is located at the 3rd lip
The lower section in portion (43) and it is connected with the spring mounting groove (43a) of the 3rd lip (43), the U-shaped annular groove (40d) is set
On the right side of the body of the sealing ring (40) and positioned at the top of the 4th lip (44), the sealing ring (40)
Body be contained in the 3rd hole (23) of the valve body (20).
6. seal ball-valve according to claim 5, it is characterised in that be provided with spring in the spring mounting groove (43a)
(60), extension in the outer circumferential U-type groove (40c) of a part for the spring (60), the U-type groove (40c) is through described close
The right side of the body of seal (40), the U-shaped annular groove (40d) is through the right side of the body of the sealing ring (40).
7. seal ball-valve according to claim 6, it is characterised in that set on the right side of the body of the sealing ring (40)
Have several round platform portions (45), the round platform portion (45) be arranged on the 3rd lip (43) and the 4th lip (44) it
Between, the round platform portion (45) extension into the spring eye (26) of the valve body (20), the front end of the round platform portion (45) is kept out
On helical spring (90) in the spring eye (26).
8. seal ball-valve according to claim 5, it is characterised in that the second skeleton peace is additionally provided with the sealing ring (40)
Fill hole (47), the second skeleton mounting hole (47) is located near the round platform portion (45), the second skeleton mounting hole (47)
Second skeleton (80) is inside installed.
9. seal ball-valve according to claim 8, it is characterised in that the second skeleton mounting hole (47) includes Fourth Ring
Shape hole (47a) and the 5th looping pit (47b), the fourth annular hole (47a) are connected with the 5th looping pit (47b), institute
The 5th looping pit (47b) is stated to the end of the round platform portion (45) to extend.
10. seal ball-valve according to claim 9, it is characterised in that second skeleton (80) include pipe portion (81) and
Annular disc portion (82), the pipe portion (81) are connected with the annular disc portion (82), and the pipe portion (81) is embedded in the described 4th
In looping pit (47a), the annular disc portion (82) is embedded in the 5th looping pit (47b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341174.4A CN107940016B (en) | 2017-12-14 | 2017-12-14 | Sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711341174.4A CN107940016B (en) | 2017-12-14 | 2017-12-14 | Sealing ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107940016A true CN107940016A (en) | 2018-04-20 |
| CN107940016B CN107940016B (en) | 2023-11-10 |
Family
ID=61944241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711341174.4A Active CN107940016B (en) | 2017-12-14 | 2017-12-14 | Sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107940016B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488394A (en) * | 2018-05-03 | 2018-09-04 | 温州职业技术学院 | A kind of biconial fluid pressure type valve |
| CN110017376A (en) * | 2018-09-10 | 2019-07-16 | 衡水威达橡塑有限公司 | A kind of sealing ring and ductile iron pipe pressure testing sealing frock |
| CN111140670A (en) * | 2018-11-05 | 2020-05-12 | 现代自动车株式会社 | Sealing element for a multi-way switching valve and multi-way switching valve comprising a sealing element |
| CN111306317A (en) * | 2020-03-05 | 2020-06-19 | 浙江中德自控科技股份有限公司 | High leakproofness ball valve |
| WO2022200641A1 (en) * | 2021-03-25 | 2022-09-29 | Bac Valves, S.A. | Two-way ball valve with cryogenic seat |
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| JP2002526734A (en) * | 1998-10-07 | 2002-08-20 | ヌオヴォ ピニョーネ ホールディング ソシエタ ペル アチオニ | Ball valve with adjustable deformation ball |
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| CA2624041A1 (en) * | 2007-03-20 | 2008-09-20 | Cesare Bonetti S.P.A. | Ball valve with removable means for retaining the axial seal |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108488394A (en) * | 2018-05-03 | 2018-09-04 | 温州职业技术学院 | A kind of biconial fluid pressure type valve |
| CN110017376A (en) * | 2018-09-10 | 2019-07-16 | 衡水威达橡塑有限公司 | A kind of sealing ring and ductile iron pipe pressure testing sealing frock |
| CN111140670A (en) * | 2018-11-05 | 2020-05-12 | 现代自动车株式会社 | Sealing element for a multi-way switching valve and multi-way switching valve comprising a sealing element |
| CN111306317A (en) * | 2020-03-05 | 2020-06-19 | 浙江中德自控科技股份有限公司 | High leakproofness ball valve |
| WO2022200641A1 (en) * | 2021-03-25 | 2022-09-29 | Bac Valves, S.A. | Two-way ball valve with cryogenic seat |
| US12305777B2 (en) | 2021-03-25 | 2025-05-20 | Bac Valves, S.A. | Two-way ball valve with cryogenic seat |
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| CN107940016B (en) | 2023-11-10 |
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