CN216344040U - High-temperature-resistant hard sealing ball valve - Google Patents
High-temperature-resistant hard sealing ball valve Download PDFInfo
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- CN216344040U CN216344040U CN202122361602.8U CN202122361602U CN216344040U CN 216344040 U CN216344040 U CN 216344040U CN 202122361602 U CN202122361602 U CN 202122361602U CN 216344040 U CN216344040 U CN 216344040U
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Abstract
The utility model discloses a high-temperature-resistant hard sealing ball valve, which belongs to the technical field of ball valves and comprises a valve body, wherein the valve body is detachably connected with an end cover, a ball body is arranged in an inner cavity of the valve body, a belleville spring is arranged in the inner cavity of the valve body, the valve body is detachably connected with a gland flange, valve seats are arranged on two sides of the ball body, an inner shaft sleeve, a first packing ring and a second packing ring are inserted and connected on the inner wall of the outer side of the valve body, and the high-temperature-resistant hard sealing ball valve has the beneficial effects that: in a high-temperature environment, the sleeve, the packing ring I and the packing ring II cannot deform to influence the sealing effect between the valve body and the valve rod, and the graphite winding gasket made of graphite is used for sealing between the valve body and the end cover, so that the sealing effect for sealing between the valve body and the end cover in the high-temperature environment cannot be damaged; the ball valve can be suitable for severe working condition high-temperature environment.
Description
Technical Field
The utility model relates to the technical field of ball valves, in particular to a high-temperature-resistant hard sealing ball valve.
Background
The opening and closing piece (ball body) is driven by the valve rod and rotates around the axis of the ball valve; the hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a strong shearing force is generated between a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the surfacing hard alloy, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like; the multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can also close any channel to connect the other two channels; the valve is generally horizontally arranged in the pipeline; the ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.
The high temperature resistance of current ball valve is poor, when being in use in the harsh operating mode high temperature environment, the sealed effect between valve rod and the valve body worsens to sealing washer high temperature between valve body and the end cover is rotten, leads to sealed effect not good.
SUMMERY OF THE UTILITY MODEL
The utility model is provided in view of the problems existing in the existing high-temperature resistant hard seal ball valve.
Therefore, the utility model aims to provide a high-temperature-resistant hard sealing ball valve, wherein a sleeve, a first packing ring and a second packing ring are sleeved on the outer wall of a valve rod, and a gland flange is used for abutting against the second packing ring, the first packing ring and the sleeve, so that a sealing element between the valve rod and a valve body cannot be damaged at high temperature, a graphite winding gasket made of graphite has a good high-temperature-resistant effect, the sealing effect between the valve body and an end cover is prevented from being poor, and the problems that the high-temperature-resistant performance of the existing ball valve is poor, the sealing effect between the valve rod and the valve body is poor and a sealing ring between the valve body and the end cover is deteriorated at high temperature when the ball valve is used in a high-temperature environment under severe working conditions are solved.
To solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
the utility model provides a high temperature resistant hard seal ball valve, includes the valve body, the connection end cover can be dismantled to the valve body, be equipped with the spheroid in the valve body inner chamber, be equipped with disc spring in the valve body inner chamber, the connection gland flange can be dismantled to the valve body, the spheroid both sides all are equipped with the disk seat, axle sleeve, packing circle one and packing circle two in the valve body outside inner wall grafting, the valve rod is cup jointed to inner shaft sleeve, packing circle one and packing circle two inner walls, packing gland and outer axle sleeve are cup jointed to the valve rod outer wall, the valve rod outer wall cup joints guide bearing, is equipped with graphite winding packing ring between valve body and the end cover.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the valve body and the end cover are connected through a second full-thread bolt and a second heavy-duty hexagon nut, the second full-thread bolt is inserted into the inner wall of the valve body and the inner wall of the end cover, and the outer wall of the second full-thread bolt is in threaded connection with the second heavy-duty hexagon nut.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the gland flange is installed on the valve body through the full-thread bolt I and the heavy hexagon nut I, the gland flange is in threaded connection with the full-thread bolt I through the inner wall of the valve body, and the outer wall of the full-thread bolt is in threaded connection with the heavy hexagon nut I.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the left end of the valve seat on the left side is connected with the inner wall of the end cover, the right end of the valve seat on the right side is connected with a butterfly spring, and one end of the butterfly spring is connected with the inner wall of the valve body.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the outer shaft sleeve is fixed on the valve rod through a valve rod pin, and the inner walls of the outer shaft sleeve and the valve rod pin are both inserted with the valve rod pin.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: graphite winding packing ring sets up to the graphite material, the valve rod top is equipped with the keyway.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the outer wall of the valve rod is sleeved with a guide bearing, a gasket and a spiral retainer ring for the elastic shaft, the guide bearing, the gasket and the spiral retainer ring for the elastic shaft are distributed from bottom to top, and the outer wall of the guide bearing is sleeved with a mounting flange.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the mounting flange bottom fixed connection fixed bolster, the fixed bolster is kept away from the one end fixed connection of mounting flange the valve body.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: install the horsehead lid on the mounting flange, gland flange bottom butt flange circle two, two bottoms butt flange circles one of dish, a dish root circle bottom butt sleeve.
As a preferable aspect of the high temperature resistant hard seal ball valve according to the present invention, wherein: the outer surface of the high-temperature resistant hard sealing ball valve is sprayed with a high-temperature resistant paint layer.
Compared with the prior art:
1. the sleeve, the packing ring I and the packing ring II are sleeved on the valve rod, and the packing gland and the gland flange are abutted against the sleeve, the packing ring I and the packing ring II, so that in a high-temperature environment, the sealing effect between the valve body and the valve rod is influenced because the sleeve, the packing ring I and the packing ring II cannot deform;
2. the graphite winding gasket made of graphite seals the valve body and the end cover, so that the sealing effect of sealing between the valve body and the end cover in a high-temperature environment cannot be damaged;
3. because the outer surface of the ball valve is sprayed with the high-temperature-resistant paint, the high-temperature-resistant effect is effectively achieved; the ball valve can be suitable for severe working condition high-temperature environment.
Drawings
FIG. 1 is a schematic structural view provided by the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 provided with the present invention;
FIG. 3 is a top view of FIG. 1 provided in accordance with the present invention;
fig. 4 is a side view of fig. 1 provided by the present invention.
In the figure: the valve comprises a valve body 1, an end cover 2, a ball body 3, a valve seat 4, a belleville spring 5, a valve rod 6, an inner shaft sleeve 7, a guide bearing 8, a packing gland 9, a gland flange 10, a fixing support 11, a mounting flange 12, a gasket 13, an outer shaft sleeve 14, a key groove 15, a valve rod pin 16, a sleeve 18, a first full-thread bolt 19, a second full-thread bolt 20, a first heavy hexagon nut 21, a second heavy hexagon nut 22, a horse head cover 23, a butterfly gasket 24, a first packing ring 25, a second packing ring 26, a retainer ring 27 for a spiral elastic shaft and a graphite winding gasket 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The present invention provides a high temperature resistant hard seal ball valve, please refer to fig. 1-4, including;
further, including valve body 1, connecting end cover 2 can be dismantled to valve body 1, be equipped with spheroid 3 in the 1 inner chamber of valve body, be equipped with disc spring 5 in the 1 inner chamber of valve body, connecting gland flange 10 can be dismantled to valve body 1, 3 both sides of spheroid all are equipped with disk seat 4, axle sleeve 7, sleeve 18, packing ring one 25 and packing ring two 26 in the 1 outside inner wall of valve body is pegged graft, interior axle sleeve 7, sleeve 18, packing ring one 25 and packing ring two 26 inner walls cup joint valve rod 6, packing gland 9 and outer axle sleeve 14 are cup jointed to the outer wall of valve rod 6, guide bearing 8 is cup jointed to the outer wall of valve rod 6, is equipped with graphite winding packing ring 28 between valve body 1 and the end cover 2.
Further, the valve body 1 and the end cover 2 are connected with the heavy hexagon nut two 22 through a full-thread bolt two 20, the full-thread bolt two 20 is inserted into the inner walls of the valve body 1 and the end cover 2, and the outer wall of the full-thread bolt two 20 is in threaded connection with the heavy hexagon nut two 22.
Further, the gland flange 10 is installed on the valve body 1 through a first full-thread bolt 19 and a first heavy hexagon nut 21, the gland flange 10 is in threaded connection with the first full-thread bolt 19 through the inner wall of the valve body 1, and the outer wall of the first full-thread bolt 19 is in threaded connection with the first heavy hexagon nut 21.
Furthermore, the left end of the valve seat 4 on the left side is connected with the inner wall of the end cover 2, the right end of the valve seat 4 on the right side is connected with the belleville spring 5, and one end of the belleville spring 5 is connected with the inner wall of the valve body 1.
Further, the outer shaft sleeve 14 is fixed on the valve rod 6 through a valve rod pin 16, and the inner walls of the outer shaft sleeve 14 and the valve rod pin 16 are inserted with the valve rod pin 16.
Further, the graphite winding gasket 28 is made of graphite, and a key groove 15 is formed in the top end of the valve rod 6.
Further, guide bearing 8, packing ring 13 and spiral elastic shaft are cup jointed to valve rod 6 outer wall, guide bearing 8, packing ring 13 and spiral elastic shaft distribute with check ring 27 from the bottom up, mounting flange 12 is cup jointed to guide bearing 8 outer wall.
Further, the bottom end of the mounting flange 12 is fixedly connected with a fixed support 11, and one end of the fixed support 11, which is far away from the mounting flange 12, is fixedly connected with the valve body 1.
Further, a horsehead cover 23 is mounted on the mounting flange 12, the bottom of the gland flange 10 abuts against a second packing ring 26, the bottom of the second packing ring 26 abuts against a first packing ring 25, and the bottom of the first packing ring 25 abuts against the sleeve 18; the second packing ring 26 and the first packing ring 25 are located between the gland flange 10 and the sleeve 18, and the gland flange 10 is mounted on the valve body 1 through bolts and cannot move, so that the packing gland 9 compresses the sleeve 18 through the second packing ring 26 and the first packing ring 25.
Further, a high-temperature-resistant paint layer is sprayed on the outer surface of the high-temperature-resistant hard seal ball valve; thereby enhancing the high temperature resistance of the ball valve.
When the packing valve is used specifically, the sleeve 18, the packing ring I25 and the packing ring II 26 are sleeved on the valve rod 6, the packing gland 9 and the gland flange 10 abut against the sleeve 18, the packing ring I25 and the packing ring II 26, and in a high-temperature environment, the sleeve 18, the packing ring I25 and the packing ring II 26 cannot deform to influence the sealing effect between the valve body 1 and the valve rod 6; in addition, the graphite winding gasket 28 made of graphite seals the valve body 1 and the end cover 2, so that the sealing effect of sealing the valve body 1 and the end cover 2 in a high-temperature environment cannot be damaged; and because the outer surface of the ball valve is sprayed with the high-temperature-resistant paint, the high-temperature-resistant effect is effectively achieved; the ball valve can be suitable for severe working condition high-temperature environment.
While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the disclosed embodiments of the utility model may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides a high temperature resistance ball valve sealed firmly, includes valve body (1), connection end cover (2) can be dismantled in valve body (1), be equipped with spheroid (3), its characterized in that in valve body (1) inner chamber: be equipped with belleville spring (5) in valve body (1) inner chamber, connection gland flange (10) can be dismantled in valve body (1), spheroid (3) both sides all are equipped with disk seat (4), inner shaft sleeve (7), sleeve (18), packing circle (25) and packing circle two (26) are pegged graft to valve body (1) outside inner wall, inner shaft sleeve (7), sleeve (18), packing circle (25) and packing circle two (26) inner walls cup joint valve rod (6), packing gland (9) and outer axle sleeve (14) are cup jointed to valve rod (6) outer wall, guide bearing (8) are cup jointed to valve rod (6) outer wall, are equipped with graphite winding packing ring (28) between valve body (1) and end cover (2).
2. The high-temperature-resistant hard-seal ball valve is characterized in that the valve body (1) and the end cover (2) are connected through a second full-thread bolt (20) and a second heavy-duty hexagonal nut (22), the second full-thread bolt (20) is inserted into the inner walls of the valve body (1) and the end cover (2), and the outer wall of the second full-thread bolt (20) is in threaded connection with the second heavy-duty hexagonal nut (22).
3. The high-temperature-resistant hard-seal ball valve as claimed in claim 1, wherein the gland flange (10) is mounted on the valve body (1) through a first full-thread bolt (19) and a first heavy-duty hexagon nut (21), the gland flange (10) is in threaded connection with the first full-thread bolt (19) on the inner wall of the valve body (1), and the outer wall of the first full-thread bolt (19) is in threaded connection with the first heavy-duty hexagon nut (21).
4. The high-temperature-resistant hard-seal ball valve is characterized in that the left end of the left valve seat (4) is connected with the inner wall of the end cover (2), the right end of the right valve seat (4) is connected with the belleville spring (5), and one end of the belleville spring (5) is connected with the inner wall of the valve body (1).
5. The high-temperature-resistant hard-seal ball valve as claimed in claim 1, wherein the outer shaft sleeve (14) is fixed on the valve rod (6) through a valve rod pin (16), and the inner walls of the outer shaft sleeve (14) and the valve rod pin (16) are inserted with the valve rod pin (16).
6. The high-temperature-resistant hard-seal ball valve as claimed in claim 1, wherein the graphite wound gasket (28) is made of graphite, and a key groove (15) is formed at the top end of the valve rod (6).
7. The high-temperature-resistant hard-seal ball valve is characterized in that a guide bearing (8), a gasket (13) and a spiral elastic shaft retainer ring (27) are sleeved on the outer wall of the valve rod (6), the guide bearing (8), the gasket (13) and the spiral elastic shaft retainer ring (27) are distributed from bottom to top, and a mounting flange (12) is sleeved on the outer wall of the guide bearing (8).
8. The high-temperature-resistant hard-seal ball valve as claimed in claim 7, wherein the bottom end of the mounting flange (12) is fixedly connected with a fixing bracket (11), and one end of the fixing bracket (11) far away from the mounting flange (12) is fixedly connected with the valve body (1).
9. The high temperature resistant hard-seal ball valve as claimed in claim 8, wherein the mounting flange (12) is provided with a horse head cover (23), the bottom of the gland flange (10) abuts against a second packing ring (26), the bottom of the second packing ring (26) abuts against a first packing ring (25), and the bottom of the first packing ring (25) abuts against the sleeve (18).
10. A high temperature resistant hard-sealing ball valve as claimed in any one of claims 1 to 9, wherein the outer surface is coated with a high temperature resistant paint layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122361602.8U CN216344040U (en) | 2021-09-28 | 2021-09-28 | High-temperature-resistant hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122361602.8U CN216344040U (en) | 2021-09-28 | 2021-09-28 | High-temperature-resistant hard sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216344040U true CN216344040U (en) | 2022-04-19 |
Family
ID=81173252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122361602.8U Active CN216344040U (en) | 2021-09-28 | 2021-09-28 | High-temperature-resistant hard sealing ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216344040U (en) |
-
2021
- 2021-09-28 CN CN202122361602.8U patent/CN216344040U/en active Active
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