CN205896252U - Two -way metal -seated ball valve of elasticity sealed expanding - Google Patents
Two -way metal -seated ball valve of elasticity sealed expanding Download PDFInfo
- Publication number
- CN205896252U CN205896252U CN201620885724.3U CN201620885724U CN205896252U CN 205896252 U CN205896252 U CN 205896252U CN 201620885724 U CN201620885724 U CN 201620885724U CN 205896252 U CN205896252 U CN 205896252U
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- CN
- China
- Prior art keywords
- valve
- sphenoid
- ball
- valve rod
- spheroid
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Abstract
The utility model provides a two -way metal -seated ball valve of elasticity sealed expanding, the valve rod front end is equipped with the spheroid, the spheroid is including the wedge body who is located the valve rod front end, be equipped with flow channel hole in the middle of the wedge body, the wedge body both sides are equipped with unsteady ball clack, the ball clack includes that it draws in the second place of separating with the disk seat in to be strutted the primary importance and the wedge body drive ball 3 that contact with the disk seat by wedge body, application elastic valve seat and the cooperation of ball clack tapering structure, the conical surface oblique angle form of sealing, reach the two way seal, the cooperation that the tapering is sealed, operating pressure can coincide more greatly more, can seal more, the zero leakage of valve under the high temperature has been guaranteed.
Description
Technical field
This utility model is related to valve technology field and in particular to a kind of elastic sealing bracing type bidirectional metal sealing ball
Valve.
Background technology
Bracing type bidirectional metal sealing ball valve combines the advantage of gate valve, stop valve, plug valve and ball valve, its fluid resistance
Little, torsional forces is little, flows to unrestricted, opens and closes quick, structure height is constant, can be used in military project, nuclear power, industrial high temperature, height
In the device of the chemical industry corrosive medium such as pressure, grit, steam, gas, oil product.Solve gate valve, stop valve, plug valve, ball valve
Leakage test of usually dispatching from the factory room temperature No leakage, but when being used in high-temperature high-pressure medium, service life is short, and torsional forces is big, and sealing surface becomes
Shape, so that valve leak, causes the disadvantages such as potential safety hazard.
Content of the invention
In order to solve the deficiencies in the prior art, of the present utility model provide a kind of elastic sealing bracing type bidirectional metal
Seal ball-valve.
The technical solution that this utility model adopts is: a kind of elastic sealing bracing type bidirectional metal sealing ball valve,
Including valve body, in described valve body, it is provided with valve rod, in described valve body, is additionally provided with valve seat, described valve rod front end is provided with spheroid,
Described spheroid includes the sphenoid positioned at valve rod front end, is provided with runner hole in the middle of described sphenoid, described sphenoid two
Side is provided with the ball clack of floating, and described ball clack includes being strutted, by sphenoid, the primary importance contacting with valve seat and sphenoid drives
Ball clack draws the second position detached with valve seat in.
Support is additionally provided with described valve body, described valve rod passes through support, and described valve rod is provided with bearing pin, described
The inwall of support is provided with arc track, and described bearing pin is coordinated with arc track sliding, and described valve rod passes through bearing pin along arc
Shape track sliding is realized rotational band ovable valve stem front end spheroid and is rotated, and described spheroid includes what runner hole was connected with valve body inner flow passage
3rd position, fourth position vertical with valve body inner flow passage with runner hole.
Described sphenoid is provided with chute, and the inner side of described ball clack is provided with locating piece, and described ball clack passes through positioning
Block is coordinated with chute sliding, described chute is additionally provided with and prevents locating piece from departing from chute limited block.
The bottom of described valve body is additionally provided with lower valve rod, and the runner bottom hole portion of described sphenoid is additionally provided with locating slot, institute
The lower valve rod stated is plugged in locating slot.
Described arc track is s shape, and described bearing pin is along the arc track sliding cooperation of s shape.
Described sphenoid is up big and down small inverted trapezoidal structure, and described sphenoid is engaged with the ball clack floating.
Described valve rod is fixedly mounted on sphenoid by straight pin.
The beneficial effects of the utility model are: it is close that this utility model provides a kind of elastic sealing bracing type bidirectional metal
Blocking valve, valve rod front end is provided with spheroid, and spheroid includes the sphenoid positioned at valve rod front end, is provided with runner hole, wedge in the middle of sphenoid
Body both sides are provided with the ball clack of floating, and ball clack includes being strutted, by sphenoid, the primary importance contacting with valve seat and sphenoid drives
Ball 3 draws the second position detached with valve seat in, coordinates with ball clack tapered configuration with elastic seat, conical surface oblique angle seal form,
Reach two way seal, the cooperation of taper sealing, operating pressure is more big more can coincide, more can seal the zero leakage it is ensured that valve.
Brief description
Fig. 1 is this utility model structural representation.
In figure 1- valve body, 2- valve rod, 3- valve seat, 4- spheroid, 5- support, 6- lower valve rod, 21- bearing pin, 41- sphenoid, 42-
Runner hole, 43- ball clack, 44- locating piece, 45- locating slot.
Specific embodiment
In conjunction with Fig. 1, this utility model is further described, a kind of elastic sealing bracing type bidirectional metal sealing
Ball valve, including valve body 1, is provided with valve rod 2, is additionally provided with valve seat 3, before described valve rod 2 in described valve body 1 in described valve body 1
End is provided with spheroid 4, and described spheroid 4 includes the sphenoid 41 positioned at valve rod 2 front end, is provided with runner in the middle of described sphenoid 41
Hole 42, described sphenoid 41 both sides are provided with the ball clack 43 of floating, and described ball clack 43 includes being strutted and valve seat 3 by sphenoid 41
The primary importance of contact and sphenoid 41 drive ball clack 43 to draw the second position detached with valve seat 3 in.On described valve body 1 also
It is provided with support 5, described valve rod 2 passes through support 5, and described valve rod 2 is provided with bearing pin 21, the described inwall of support 5 sets
There is an arc track, described bearing pin 21 and arc track sliding cooperation, described arc track is s shape, and described bearing pin 21 is along s
The arc track sliding cooperation of shape.By bearing pin 21, arcuately rotational band ovable valve stem 2 front end is realized in track sliding to described valve rod 2
Spheroid 4 rotates.Described spheroid 4 includes the 3rd position and runner hole 42 and the valve body 1 that runner hole 42 is connected with valve body 1 inner flow passage
The 4th vertical position of inner flow passage.Described sphenoid 41 is provided with chute, and the inner side of described ball clack 43 is provided with locating piece 44,
Described ball clack 43 passes through locating piece 44 and chute sliding cooperation, described chute is additionally provided with and prevents locating piece 44 from departing from chute
Limited block.This valve adopts breathing principle, and spheroid 4 adopts three-clove style structure, and valve rod 2 declines promotion separation beam body 41 makes ball clack
43 distendings are contacted with seal valve seat 3, reach two way seal；When valve rod 2 rises, sphenoid 41 drives ball clack 43 to draw in and sealing valve
Seat 3 separates, and valve rod 2 continues to rise, and sphenoid 41 drives ball clack 43 to rotarily open.This utility model taper ball clack and feather valve
Seat cooperation, can seek identical center, the cooperation of taper sealing, operating pressure is more big more can coincide, and more can seal certainly, it is to avoid valve closes
Excessive or close and not in place cause sealing leak problem.
The bottom of described valve body 1 is additionally provided with lower valve rod 6, and runner hole 42 bottom of described sphenoid 41 is additionally provided with positioning
Groove 45, described lower valve rod 6 is plugged in locating slot 45.
Described sphenoid 41 is up big and down small inverted trapezoidal structure, and described sphenoid 41 is contacted with the ball clack 43 floating
Cooperation.
Described valve rod 2 is fixedly mounted on sphenoid 41 by straight pin.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonging under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (7)
1. a kind of elastic sealing bracing type bidirectional metal sealing ball valve, including valve body (1), is provided with valve in described valve body (1)
Bar (2), is additionally provided with valve seat (3) in described valve body (1) it is characterised in that described valve rod (2) front end is provided with spheroid (4), institute
The spheroid (4) stated includes the sphenoid (41) positioned at valve rod (2) front end, is provided with runner hole in the middle of described sphenoid (41)
(42), described sphenoid (41) both sides are provided with the ball clack (43) of floating, and described ball clack (43) includes being supportted by sphenoid (41)
Open and drive ball clack (43) to draw second detached with valve seat (3) in the primary importance that valve seat (3) contacts and sphenoid (41)
Put.
2. a kind of elastic sealing bracing type bidirectional metal sealing ball valve according to claim 1 is it is characterised in that described
Valve body (1) on be additionally provided with support (5), described valve rod (2) passes through support (5), and described valve rod (2) is provided with bearing pin
(21), the inwall of described support (5) is provided with arc track, and described bearing pin (21) is coordinated with arc track sliding, described
Valve rod (2) by bearing pin (21) arcuately track sliding realize rotational band ovable valve stem (2) front end spheroid (4) rotate, described
Spheroid (4) includes the 3rd position and runner hole (42) and valve body (1) inner flow passage that runner hole (42) is connected with valve body (1) inner flow passage
The 4th vertical position.
3. a kind of elastic sealing bracing type bidirectional metal sealing ball valve according to claim 2 is it is characterised in that described
Sphenoid (41) be provided with chute, the inner side of described ball clack (43) is provided with locating piece (44), and described ball clack (43) passes through
Locating piece (44) is coordinated with chute sliding, described chute is additionally provided with and prevents locating piece (44) from departing from chute limited block.
4. a kind of elastic sealing bracing type bidirectional metal sealing ball valve according to claim 1 is it is characterised in that described
The bottom of valve body (1) be additionally provided with lower valve rod (6), runner hole (42) bottom of described sphenoid (41) is additionally provided with locating slot
(45), described lower valve rod (6) is plugged in locating slot (45).
5. a kind of elastic sealing bracing type bidirectional metal sealing ball valve according to claim 2 is it is characterised in that described
Arc track be s shape, described bearing pin (21) is along the arc track sliding cooperation of s shape.
6. a kind of elastic sealing bracing type bidirectional metal sealing ball valve according to claim 1 is it is characterised in that described
Sphenoid (41) be up big and down small inverted trapezoidal structure, described sphenoid (41) is engaged with the ball clack (43) floating.
7. a kind of elastic sealing bracing type bidirectional metal sealing ball valve according to claim 1 is it is characterised in that described
Valve rod (2) be fixedly mounted on sphenoid (41) by straight pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620885724.3U CN205896252U (en) | 2016-08-16 | 2016-08-16 | Two -way metal -seated ball valve of elasticity sealed expanding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620885724.3U CN205896252U (en) | 2016-08-16 | 2016-08-16 | Two -way metal -seated ball valve of elasticity sealed expanding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205896252U true CN205896252U (en) | 2017-01-18 |
Family
ID=57779921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620885724.3U Active CN205896252U (en) | 2016-08-16 | 2016-08-16 | Two -way metal -seated ball valve of elasticity sealed expanding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205896252U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239960A (en) * | 2019-05-23 | 2019-09-17 | 成都瑞柯林工程技术有限公司 | Unloading valve group unloads grey method and powder fluidization system |
-
2016
- 2016-08-16 CN CN201620885724.3U patent/CN205896252U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239960A (en) * | 2019-05-23 | 2019-09-17 | 成都瑞柯林工程技术有限公司 | Unloading valve group unloads grey method and powder fluidization system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |