CN206874865U - A kind of anti-winged fixing ball valve of valve rod built-in type - Google Patents
A kind of anti-winged fixing ball valve of valve rod built-in type Download PDFInfo
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- CN206874865U CN206874865U CN201720395967.3U CN201720395967U CN206874865U CN 206874865 U CN206874865 U CN 206874865U CN 201720395967 U CN201720395967 U CN 201720395967U CN 206874865 U CN206874865 U CN 206874865U
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- valve
- valve rod
- spheroid
- valve body
- winged
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Abstract
The utility model discloses a kind of anti-winged fixing ball valve of valve rod built-in type,Including valve body (1),Spheroid (4),Valve rod,It is characterized in that,The valve body (1) is provided with flow channel and flow pass,Spheroid (4) is provided between the flow channel and flow pass,The spheroid (4) is equipped with valve seat (10) close to flow channel and flow pass end,The sealing ring (9) that the contact surface of the spheroid (4) and the valve seat (10) is provided with ramp structure forms inclined-plane sealing,The returning spring (11) that the valve seat (9) has been equipped with return action close to valve body (1) end forms self-energized seal,Wherein,Upper valve rod (7) hole is additionally provided with above the valve body (1),One end of upper valve rod (7) connects and composes circumferentially positioned connection with the flat notch (8) above spheroid (4),Lower valve rod (2) hole is additionally provided with below the valve body (1),One end of lower valve rod (2) is connected with spheroid (4),The other end of lower valve rod (2) is fixed on valve body (1) by holding screw (3),Prevent spheroid (4) from being offset under the pressure of medium or even flying out and influence service behaviour.
Description
Technical field
The utility model designs a kind of fixing ball valve, the anti-winged fixing ball valve of particularly a kind of valve rod built-in type.
Background technology
At present, fixing ball valve due to flow forces it is strong, open and close it is faster, easy for installation, connected mode is more, thus use
Scope is wider.Present fixing ball valve spheroid is typically fixed and control circumferentially rotates by valve rod, but in spheroid by arriving extremely
During the pressure of medium, can be pressed in the horizontal direction to valve rod, the time grow, and can cause valve rod flexural deformation, in addition spheroid by
While to from medium, the position of spheroid can also occurred partially, or even fly out, influence its service behaviour.
Utility model content
The purpose of this utility model is to provide a kind of valve rod built-in type anti-winged fixing ball valve, to solve above-mentioned background technology
The problem of middle proposition.
To achieve the above object, the utility model provides following technical scheme：A kind of anti-winged fixing ball valve of valve rod built-in type,
Including valve body, spheroid, valve rod, it is characterised in that the valve body is provided with flow channel and flow pass, the flow channel and stream
Go out between passage and be provided with spheroid, the spheroid is equipped with valve seat close to flow channel and flow pass end, the spheroid with it is described
The sealing ring that the contact surface of valve seat is provided with ramp structure forms inclined-plane sealing, and the valve seat has been equipped with reply close to valve body end
The returning spring of effect forms self-energized seal；Wherein, upper valve rod aperture, one end of upper valve rod and ball are additionally provided with above the valve body
Flat notch above body connects and composes circumferentially positioned connection, and the other end of upper valve rod is connected with handle, is also set below the valve body
There is lower valve rod aperture, one end of lower valve rod is connected with spheroid, and the other end of lower valve rod is fixed on valve body by holding screw.
Stuffing box is provided with as further optimization, the upper valve rod outer sheath of the present utility model, stuffing box passes through screw
It is fixed on valve body.
As further optimization of the present utility model, the valve body by left valve barrel and right valve barrel by fastening assembly fasten and
Into wherein left valve barrel is provided with flow channel, and right valve barrel is provided with flow pass.
As further optimization of the present utility model, the axis of the flow channel and the flow pass is in same straight line
On.
Compared with prior art, the beneficial effects of the utility model are：
1. the contact surface of spheroid and valve seat is provided with the sealing ring of ramp structure, the sealing in face and face is formed, ensure that valve
The sealing of body.
2. valve seat has been equipped with the returning spring of return action close to valve body end, self-energized seal is formed, is prevented in valve body
Pressure is excessive and influences service behaviour.
3. the flat notch above one end of upper valve rod and spheroid connects and composes circumferentially positioned connection, one end of lower valve rod and ball
Body is connected, and the other end of lower valve rod is fixed on valve body by holding screw, prevents spheroid from being offset even under the pressure of medium
Fly out and influence service behaviour.
4. upper valve rod outer sheath is provided with stuffing box, the sealing of valve body is improved, prevents valve rod from being bent under the pressure of medium
Deformation.
5. valve body is formed by left valve barrel and right valve barrel by fastening assembly fastening, convenient installation, dismounting and maintenance.
6. the flow channel of valve body and the axis of flow pass are on the same line, resistance when medium circulates in valve body
It is small.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is enlarged drawing at the utility model Fig. 1 I；
Fig. 3 is enlarged drawing at the utility model Fig. 1 II；
In figure：1st, valve body, 2, lower valve rod, 3, holding screw, 4, spheroid, 5, handle, 6, stuffing box, 7, upper valve rod, 8, flat
Notch, 9, sealing ring, 10, valve seat, 11, returning spring.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1 to Fig. 3 is referred to, the utility model provides a kind of technical scheme：A kind of anti-winged fixing ball valve of valve rod built-in type,
Including valve body (1), spheroid (4), valve rod, it is characterised in that valve body (1) is provided with flow channel and flow pass, flow channel and
Spheroid (4) is provided between flow pass, spheroid (4) is equipped with valve seat (10), spheroid (4) close to flow channel and flow pass end
The sealing ring (9) that ramp structure is provided with the contact surface of valve seat (10) forms inclined-plane sealing, ensure that the sealing of valve body (1)
Property.
Meanwhile service behaviour is influenceed in order to prevent the hypertonia in valve body (1), valve seat (9) leans in the utility model
Nearly valve body (1) end has been equipped with the returning spring (11) of return action, forms self-energized seal.
And service behaviour is influenceed in order to prevent spheroid (4) from offseting or even flying out under the pressure of medium, the utility model
One end of middle upper valve rod (7) connects and composes circumferentially positioned connection, one end of lower valve rod (2) with the flat notch (8) above spheroid (1)
It is connected with spheroid (1), the other end of lower valve rod (2) is fixed on valve body (1) by holding screw (3).
Further embodiment, upper valve rod (7) outer sheath of the present utility model are provided with stuffing box (6), and stuffing box (6) is logical
Cross screw to be fixed on valve body (1), be also prevented from valve rod bends change to the sealing of raising valve body (1) under the pressure of medium simultaneously
Shape.
Further embodiment, valve body (1) of the present utility model are fastened by left valve barrel and right valve barrel by fastening assembly
Form, facilitate installation, dismounting and safeguard.
The axis of further embodiment, flow channel of the present utility model and the flow pass is in same straight line
On, reduce resistance when medium circulates in valve body (1).
In description of the present utility model, it is to be understood that term " coaxial ", " bottom ", " one end ", " top ", " in
Portion ", " other end ", " on ", " side ", " top ", " interior ", " front portion ", " center ", the orientation of the instruction such as " both ends " or position close
It is to be described based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplifying, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore can not
It is interpreted as to limitation of the present utility model.
In addition, term " first ", " second ", " the 3rd ", " the 4th " are only used for describing purpose, and it is not intended that instruction or
Relative importance or the implicit quantity for indicating indicated technical characteristic are implied, thus, defines " first ", " second ", " the
Three ", at least one this feature can be expressed or be implicitly included to the feature of " the 4th ".
In the utility model, unless otherwise clearly defined and limited, term " installation ", " setting ", " connection ", " Gu
Calmly ", the term such as " spinning " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；
Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, can be with
It is connection or the interaction relationship of two elements of two element internals, is limited unless otherwise clear and definite, for this area
For those of ordinary skill, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. a kind of anti-winged fixing ball valve of valve rod built-in type, including valve body (1), spheroid (4), valve rod, it is characterised in that the valve body
(1) flow channel and flow pass are provided with, spheroid (4) is provided between the flow channel and flow pass, the spheroid (4) is leaned on
Nearly flow channel and flow pass end are equipped with valve seat (10), and the spheroid (4) and the contact surface of the valve seat (10) are provided with
The sealing ring (9) of ramp structure forms inclined-plane sealing, and the valve seat (10) has been equipped with returning for return action close to valve body (1) end
Multiple spring (11) forms self-energized seal；
Wherein, upper valve rod (7) hole, one end and the flat groove above spheroid (4) of upper valve rod (7) are additionally provided with above the valve body (1)
Mouth (8) connects and composes circumferentially positioned connection, and the other end of upper valve rod (7) is connected with handle (5), is also set below the valve body (1)
There is lower valve rod (2) hole, one end of lower valve rod (2) is connected with spheroid (4), and the other end of lower valve rod (2) is solid by holding screw (3)
It is scheduled on valve body (1).
A kind of 2. anti-winged fixing ball valve of valve rod built-in type according to claim 1, it is characterised in that the upper valve rod (7)
Outer sheath is provided with stuffing box (6), and stuffing box is fixed by screws on valve body (1).
A kind of 3. anti-winged fixing ball valve of valve rod built-in type according to claim 1, it is characterised in that the valve body (1) by
Left valve barrel and right valve barrel are formed by fastening assembly fastening, and wherein left valve barrel is provided with flow channel, and right valve barrel is provided with outflow
Passage.
4. the anti-winged fixing ball valve of a kind of valve rod built-in type according to claim 1 or 2, it is characterised in that described flow into is led to
The axis of road and the flow pass is on the same line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395967.3U CN206874865U (en) | 2017-04-12 | 2017-04-12 | A kind of anti-winged fixing ball valve of valve rod built-in type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395967.3U CN206874865U (en) | 2017-04-12 | 2017-04-12 | A kind of anti-winged fixing ball valve of valve rod built-in type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206874865U true CN206874865U (en) | 2018-01-12 |
Family
ID=61343401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395967.3U Active CN206874865U (en) | 2017-04-12 | 2017-04-12 | A kind of anti-winged fixing ball valve of valve rod built-in type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206874865U (en) |
-
2017
- 2017-04-12 CN CN201720395967.3U patent/CN206874865U/en active Active
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