CN209309364U - A kind of ball valve of efficient shaft end seal - Google Patents
A kind of ball valve of efficient shaft end seal Download PDFInfo
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- CN209309364U CN209309364U CN201822003075.1U CN201822003075U CN209309364U CN 209309364 U CN209309364 U CN 209309364U CN 201822003075 U CN201822003075 U CN 201822003075U CN 209309364 U CN209309364 U CN 209309364U
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- shaft
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Abstract
The utility model provides a kind of ball valve of efficient shaft end seal, including valve body, valve deck and turbine actuator；The body top is equipped with valve deck, and body base is equipped with end cap, and end cap and valve body are linked together by lower valve shaft；Valve ball is installed, valve body is equipped with inlet and outlet in valve body；Water outlet is equipped with valve seat and valve seat gland；The valve seat is between valve seat gland and valve ball, and valve seat and valve body, valve ball three are tightly connected；Turbine actuator is installed, turbine actuator connects upper valve shaft upper end on the valve deck；Upper valve shaft lower end passes through valve deck and connect with valve ball, and is successively arranged gasket seal, metal gasket, graphite-seal ring and adjustment gasket between junction and valve deck from bottom to up；Graphite pad is installed between gasket seal, valve body and metal gasket.The ball valve of efficient shaft end seal described in the utility model, valve shaft end seal use non-traditional seal style, and features simple structure is efficient.
Description
Technical field
The utility model belongs to eccentric half-ball valve field, more particularly, to a kind of ball valve of efficient shaft end seal.
Background technique
In existing eccentric half-ball valve, valve ball and valve seat are not completely disengaged, and valve seat and valve ball sealing surface is caused to be located always
In state of wear；In addition, the valve shaft shaft end seal performance of valve is poor, valve shaft rotating torque is big, and disassembly is inconvenient.
Summary of the invention
In view of this, the utility model is directed to a kind of ball valve of efficient shaft end seal, to overcome lacking for the prior art
It falls into, valve shaft end seal uses non-traditional seal style, and features simple structure is efficient.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of ball valve of efficient shaft end seal, including valve body, valve deck and turbine actuator；
The body top is equipped with valve deck, and body base is equipped with end cap, and end cap and valve body are connected to by lower valve shaft
Together；Valve ball is installed, valve body is equipped with inlet and outlet in valve body；Water outlet is equipped with valve seat and valve seat gland；
The valve seat is between valve seat gland and valve ball, and valve seat and valve body, valve ball three are tightly connected；
Turbine actuator is installed, turbine actuator connects upper valve shaft upper end on the valve deck；Upper valve shaft lower end passes through valve
Lid connect with valve ball, and be successively arranged from bottom to up between junction and valve deck gasket seal, metal gasket, graphite-seal ring and
Adjust gasket；The gasket seal, metal gasket, graphite-seal ring and adjustment gasket cover on upper valve shaft；Adjust gasket two
Side lower surface is pressed on metal gasket upper surface, and gasket seal and metal gasket edge extend to the interior of valve deck and valve body junction
Side；Graphite pad is installed between gasket seal, valve body and metal gasket；Upper valve shaft is coaxially arranged with lower valve shaft.
Further, adjustment bolt is installed, adjustment gasket is close in adjustment bolt bottom on the valve deck.
Further, it is close close to the junction of water outlet side to be equipped with valve body for the valve seat, valve ball and valve body junction
Seal.
Further, soft seal ring is installed between the valve seat, valve body and valve seals.
Further, the gasket seal raises upward with upper valve shaft connection place upper surface, metal gasket and graphite grazing
Ring integrally raises upward with upper valve shaft connection place, and the junction of adjustment gasket and upper valve shaft is upwardly formed groove, and in the groove
Embedded with graphite-seal ring.
Further, gasket is adjacent is close between the two for the gasket seal, metal gasket, graphite-seal ring and adjustment；
Adjusting pad piece upper surface is parallel with valve deck upper surface.
Further, Graphite pad is ring-type, and its thickness is suitable with the thickness of gasket seal.
Compared with the existing technology, a kind of ball valve of efficient shaft end seal described in the utility model has the advantage that
(1) formula eccentric semi-spherical valve body top is filled on a valve deck, and valve installation and province easy to maintenance can be made in structure
Power.
(2) the upper valve shaft shaft end seal of valve uses non-traditional seal style, and features simple structure is efficient.
(3) the upper valve shaft shaft end seal of valve is multiple using gasket seal, metal gasket, adjustment gasket and graphite-seal ring
Sealing, while guaranteeing that valve is efficient sealed, but also valve shaft pivoting friction torque is lowered.
(4) for valve shaft shaft end seal component compared with conventional seals component, dismounting and change is convenient and efficient on, reduces valve and is produced into
This, increases valve service life.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the main view sectional structure chart of the ball valve of efficient shaft end seal described in the utility model embodiment；
Fig. 2 be Fig. 1 in valve deck, valve body, upper valve sealing junction enlarged drawing；
Fig. 3 is the enlarged drawing that valve seat, valve body and valve ball seal the joint in Fig. 1；
Fig. 4 is the left view of the ball valve of efficient shaft end seal described in the utility model embodiment.
Description of symbols:
1- end cap；2- valve body；3- valve seat gland；4- soft seal ring；5- valve seals；6- lower valve shaft；7- valve ball；8- valve
Seat；9- gasket seal；10- Graphite pad；11- metal gasket；12- adjusts gasket；13- graphite-seal ring；14- valve deck；15-
Adjustment bolt；16- turbine actuator；The upper valve shaft of 17-；18- water outlet；19- water inlet.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result,
Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another
It is described, the meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition
State the concrete meaning of term in the present invention.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1 and Figure 4, a kind of ball valve of efficient shaft end seal, including valve body 2, valve deck 14 and turbine actuator
16；Valve deck 14 is installed, 2 bottom of valve body is equipped with end cap 1, and end cap 1 is connect with valve body 2 by lower valve shaft 6 at the top of the valve body 2
Together；Valve ball 7 is installed, valve body 2 is equipped with water inlet 19 and water outlet 18 in valve body 2；Valve seat is installed at water outlet 18
8 and valve seat gland 3；The valve seat 8 is between valve seat gland 3 and valve ball 7, and valve seat 8 and valve body 2,7 three of valve ball seal and connect
It connects；Turbine actuator 16 is installed, turbine actuator 16 connects upper 17 upper end of valve shaft on the valve deck 14；On as shown in Fig. 2,
17 lower end of valve shaft passes through valve deck 14 and connect with valve ball 7, and is successively arranged gasket seal from bottom to up between junction and valve deck 14
9, metal gasket 11, graphite-seal ring 13 and adjustment gasket 12；The gasket seal 9, metal gasket 11, graphite-seal ring 13
It is covered on upper valve shaft 17 with adjustment gasket 12；Adjustment 12 two sides lower surface of gasket is pressed on 11 upper surface of metal gasket, is sealed
Gasket 9 and 11 edge of metal gasket extend to the inside of valve deck 14 Yu 2 junction of valve body；Gasket seal 9, valve body 2 and metal gasket
Graphite pad 10 is installed between piece 11；Upper valve shaft 17 is coaxially arranged with lower valve shaft 6.
Wherein, adjustment bolt 15 is installed, adjustment gasket 12 is close in 15 bottom of adjustment bolt on the valve deck 14.
Wherein, as shown in figure 3, the valve seat 8, valve ball 7 and 2 junction of valve body close to 18 side of water outlet junction
Valve seals 5 are installed.Soft seal ring 4 is installed between the valve seat 8, valve body 2 and valve seals 5, soft seal ring 4
Material is non-metallic material, such as rubber etc..This sealing structure setting, can locate always to avoid valve seat 8 and 7 sealing surface of valve ball
In state of wear, the service life of entire ball valve is improved.
Wherein, the gasket seal 9, metal gasket 11, graphite-seal ring 13 and adjustment gasket 12 are adjacent tight between the two
Patch；It is parallel with 14 upper surface of valve deck to adjust 12 upper surface of gasket.The gasket seal 9 and upper 17 junction upper surface of valve shaft to
Upper protrusion, metal gasket 11 and graphite-seal ring 13 integrally raise upward with upper 17 junction of valve shaft, adjust gasket 12 and upper valve
The junction of axis 17 is upwardly formed groove, and the groove is embedded with graphite-seal ring 13.
Wherein, Graphite pad 10 is ring-type, and its thickness is suitable with the thickness of gasket seal 9.
The working principle of the ball valve of efficient shaft end seal described in the present embodiment:
Eccentric half-ball valve utilizes eccentric valve body, eccentric sphere (namely valve ball 7) and valve seat 8, upper valve shaft 17 and lower valve shaft 6
It the more closes the more tight in common locus self-centering, closing process when rotating, good sealing purpose is fully achieved.Ball valve
Valve ball 7 and valve seat 8 completely disengage, eliminate the abrasion of valve seals 5, overcome traditional valve seat 8 and begin with 7 sealing surface of valve ball
Eventually the problem of abrasion, non-metallic elastic material (namely soft seal ring 4) is embedded into metal seat valve 8, and 8 metal covering of valve seat can be by
Good protection.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of ball valve of efficient shaft end seal, it is characterised in that: including valve body (2), valve deck (14) and turbine actuator (16)；
It is equipped with valve deck (14) at the top of the valve body (2), valve body (2) bottom is equipped with end cap (1), and end cap (1) and valve body (2) are logical
Lower valve shaft (6) is crossed to link together；It is equipped with valve ball (7) in valve body (2), valve body (2) is equipped with water inlet (19) and water outlet
(18)；Valve seat (8) and valve seat gland (3) are installed at water outlet (18)；The valve seat (8) is located at valve seat gland (3) and valve ball
(7) between, and valve seat (8) and valve body (2), valve ball (7) three are tightly connected；
It is equipped with turbine actuator (16) on the valve deck (14), valve shaft (17) upper end in turbine actuator (16) connection；Upper valve
Axis (17) lower end passes through valve deck (14) and connect with valve ball (7), and is successively arranged from bottom to up between junction and valve deck (14) close
Gasket (9), metal gasket (11), graphite-seal ring (13) and adjustment gasket (12)；The gasket seal (9), metal gasket
(11), graphite-seal ring (13) and adjustment gasket (12) cover on upper valve shaft (17)；Adjust gasket (12) two sides following table face pressure
On metal gasket (11) upper surface, gasket seal (9) and metal gasket (11) edge extend to valve deck (14) and valve body (2) even
Connect the inside at place；Graphite pad (10) are installed between gasket seal (9), valve body (2) and metal gasket (11)；Upper valve shaft (17)
It is coaxially arranged with lower valve shaft (6).
2. the ball valve of efficient shaft end seal according to claim 1, it is characterised in that: be equipped with tune on the valve deck (14)
Adjustment gasket (12) is close in whole bolt (15), adjustment bolt (15) bottom.
3. the ball valve of efficient shaft end seal according to claim 1, it is characterised in that: the valve seat (8), valve ball (7) and
Valve body (2) junction is equipped with valve seals (5) close to the junction of water outlet (18) side.
4. the ball valve of efficient shaft end seal according to claim 3, it is characterised in that: the valve seat (8), valve body (2) and
Soft seal ring (4) are installed between valve seals (5).
5. the ball valve of efficient shaft end seal according to claim 1, it is characterised in that: the gasket seal (9) and upper valve
Axis (17) junction upper surface raises upward, and metal gasket (11) and graphite-seal ring (13) and upper valve shaft (17) junction are whole
It raises upward, the junction of adjustment gasket (12) and upper valve shaft (17) is upwardly formed groove, and the groove is embedded with graphite grazing
Ring (13).
6. the ball valve of efficient shaft end seal according to claim 1 or 5, it is characterised in that: the gasket seal (9), gold
Belong to gasket (11), graphite-seal ring (13) and adjusts that gasket (12) are adjacent is close between the two；Adjust gasket (12) upper surface with
Valve deck (14) upper surface is parallel.
7. the ball valve of efficient shaft end seal according to claim 1, it is characterised in that: Graphite pad (10) is ring-type, and
Its thickness is suitable with the thickness of gasket seal (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822003075.1U CN209309364U (en) | 2018-11-30 | 2018-11-30 | A kind of ball valve of efficient shaft end seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822003075.1U CN209309364U (en) | 2018-11-30 | 2018-11-30 | A kind of ball valve of efficient shaft end seal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209309364U true CN209309364U (en) | 2019-08-27 |
Family
ID=67675236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822003075.1U Active CN209309364U (en) | 2018-11-30 | 2018-11-30 | A kind of ball valve of efficient shaft end seal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209309364U (en) |
-
2018
- 2018-11-30 CN CN201822003075.1U patent/CN209309364U/en active Active
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