CN212131502U - Durable leak-proof stainless steel ball valve - Google Patents
Durable leak-proof stainless steel ball valve Download PDFInfo
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- CN212131502U CN212131502U CN202020703525.2U CN202020703525U CN212131502U CN 212131502 U CN212131502 U CN 212131502U CN 202020703525 U CN202020703525 U CN 202020703525U CN 212131502 U CN212131502 U CN 212131502U
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Abstract
The utility model discloses a durable leak protection stainless steel ball valve, including the ball valve body, the left side intercommunication of ball valve body has first connecting pipe, the right side intercommunication of ball valve body has the second connecting pipe, the inner chamber of ball valve body rotates and is connected with the spheroid that dams. Through the setting of fixed seal seat and rotation seal piece, seam crossing between fixed seal seat and the rotation seal piece forms first maze, can improve the leakproofness between ball valve rod and the fixed seal seat, through the inserted block, the setting of swivel becket and screw base, the inserted block, form the second maze between swivel becket and screw base and the ball valve body, can increase the leakproofness between screw base and the ball valve rod, through the setting of first maze and second maze, can increase the leakproofness between ball valve rod and the ball valve body greatly, the situation of weeping has been avoided appearing in the ball valve rod after the wearing and tearing appears, the leakproofness of this ball valve has been improved greatly.
Description
Technical Field
The utility model relates to a one-piece type ball valve technical field specifically is a durable leak protection stainless steel ball valve.
Background
The one-piece ball valve and the flange gate valve belong to the same type of valve, and are different in that a closing member of the one-piece ball valve and the flange gate valve is a ball body, and the ball body rotates around the center line of a valve body to achieve opening and closing of the valve. Ball valves are used in pipelines primarily to shut off, distribute and change the direction of flow of media. The wide ball valve is a new type of valve which is widely used. The one-piece ball valve is a novel ball valve type, and has certain advantages unique to the structure of the one-piece ball valve, such as no friction on the switch, difficult abrasion on the seal and small opening and closing torque. This reduces the size of the actuator to be fitted. And a multi-rotation electric actuating mechanism is matched, so that the adjustment and the tight cutting of the medium can be realized. The device is widely applicable to working conditions of petrochemical city water supply and drainage and the like which require strict cutting. The operation principle of the wide-style ball valve is that the valve is unblocked or blocked by the rotary valve. The ball valve switch is light, small in size, reliable in sealing, simple in structure and convenient to maintain, can be made into a large-caliber ball valve, a sealing surface and a spherical surface are always in a closed state, and are not easily eroded by a medium, so that the ball valve switch is widely applied to various industries.
Stainless steel ball valve is after using for a long time, and the situation of wearing and tearing can appear after long-time the use to the valve rod to lead to taking place the situation of weeping, greatly reduced the practicality of ball valve, thereby reduce the durability of ball valve, for this reason, provide a durable leak protection stainless steel ball valve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a durable leak protection stainless steel ball valve to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a durable leakproof stainless steel ball valve comprises a ball valve body, wherein the left side of the ball valve body is communicated with a first connecting pipe, the right side of the ball valve body is communicated with a second connecting pipe, an inner cavity of the ball valve body is rotatably connected with an intercepting sphere, the top of the intercepting sphere is provided with an inserting groove, the top of the ball valve body is provided with a rotating groove, the bottom of the rotating groove is provided with a movable groove, the outer side of the movable groove is provided with a rotating groove, the inner cavity of the movable groove is rotatably connected with an inserting block, the top of the inserting block is welded with a threaded seat, the top of the threaded seat is provided with a threaded groove, the surface of the inserting block is welded with a rotating ring, the top of the ball valve body is welded with a fixed sealing seat, the inner cavity of the fixed sealing seat penetrates through a ball valve rod, the bottom of the ball valve rod is welded with, and a rotary sealing block is welded on the surface of the ball valve rod and at the bottom of the rotary handle.
As further preferable in the present technical solution: the top of the fixed sealing seat is matched with the bottom of the rotary sealing block, and the fixed sealing seat is rotatably connected with the rotary sealing block.
As further preferable in the present technical solution: the top of screw thread seat is provided with the gasket, the through-hole with screw thread post looks adaptation is seted up to the inner chamber of gasket, the top and the ball valve rod in close contact with of gasket, the bottom and the screw thread seat in close contact with of gasket.
As further preferable in the present technical solution: the rotating ring is positioned in the inner cavity of the rotating groove and is rotationally connected with the rotating groove.
As further preferable in the present technical solution: the bottom end of the insertion block penetrates through the insertion slot, and the insertion block is inserted into the insertion slot.
As further preferable in the present technical solution: the bottom end of the threaded column penetrates through the threaded groove, and the threaded column is in threaded connection with the threaded groove.
Compared with the prior art, the beneficial effects of the utility model are that: through the setting of fixed seal seat and rotation seal piece, seam crossing between fixed seal seat and the rotation seal piece forms first maze, can improve the leakproofness between ball valve rod and the fixed seal seat, through the inserted block, the setting of swivel becket and screw base, the inserted block, form the second maze between swivel becket and screw base and the ball valve body, can increase the leakproofness between screw base and the ball valve rod, through the setting of first maze and second maze, can increase the leakproofness between ball valve rod and the ball valve body greatly, the situation of weeping has been avoided appearing in the ball valve rod after the wearing and tearing appears, the leakproofness of this ball valve has been improved greatly.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic sectional structure of the present invention;
fig. 3 is an enlarged view of a portion of a in fig. 2 according to the present invention.
In the figure: 1. a ball valve body; 2. a first connecting pipe; 3. fixing a sealing seat; 4. a ball valve stem; 5. rotating the handle; 6. a second connecting pipe; 7. a closure ball; 8. rotating the sealing block; 9. a slot; 10. inserting a block; 11. a rotating tank; 12. a thread groove; 13. a gasket; 14. a threaded post; 15. a rotating ring; 16. a movable groove; 17. a rotating groove; 18. a threaded seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-3, the present invention provides a technical solution: a durable leak-proof stainless steel ball valve comprises a ball valve body 1, wherein the left side of the ball valve body 1 is communicated with a first connecting pipe 2, the right side of the ball valve body 1 is communicated with a second connecting pipe 6, an inner cavity of the ball valve body 1 is rotatably connected with a closure ball body 7, the top of the closure ball body 7 is provided with an inserting groove 9, the top of the ball valve body 1 is provided with a rotating groove 17, the bottom of the rotating groove 17 is provided with a movable groove 16, the outer side of the movable groove 16 is provided with a rotating groove 11, the inner cavity of the movable groove 16 is rotatably connected with an inserting block 10, the top of the inserting block 10 is welded with a threaded seat 18, the top of the threaded seat 18 is provided with a threaded groove 12, the surface of the inserting block 10 is welded with a rotating ring 15, the top of the ball valve body 1 is welded with a fixed sealing seat 3, the inner cavity of the fixed sealing seat 3 penetrates through a, a rotary sealing block 8 is welded on the surface of the ball valve rod 4 and at the bottom of the rotary handle 5.
In this embodiment, specifically: the top of fixed seal seat 3 and the bottom looks adaptation of rotating seal block 8, fixed seal seat 3 rotates with rotating seal block 8 and is connected, through above setting, can form first maze in the crack department between fixed seal seat 3 and the rotation seal block 8, the stroke when increasing inside liquid and leaking outward forms the throttle effect to increase the leakproofness between fixed seal seat 3 and the rotation seal block 8, avoided liquid to flow out to the outside situation of this ball valve from rotating groove 17.
In this embodiment, specifically: the top of screw thread seat 18 is provided with gasket 13, the through-hole with 14 looks adaptations of screw thread post is seted up to the inner chamber of gasket 13, the top and the ball valve rod 4 in close contact with of gasket 13, the bottom and the 18 in close contact with of screw thread seat of gasket 13, through above setting, after ball valve rod 4 installation, ball valve rod 4 and screw thread seat 18 all with gasket 13 in close contact with, thereby improve the leakproofness between ball valve rod 4 and the screw thread seat 18, avoided liquid inflow thread groove 12 to cause the situation of 14 corrosion of screw thread post, the durability of this ball valve has been improved greatly.
In this embodiment, specifically: the rotating ring 15 is located in the inner cavity of the rotating groove 11, the rotating ring 15 is rotatably connected with the rotating groove 11, through the arrangement of the inserting block 10, the rotating ring 15 and the threaded seat 18, a second labyrinth is formed between the inserting block 10, the rotating ring 15, the threaded seat 18 and the ball valve body 1, the sealing performance between the ball valve body 1 and the ball valve rod 4 can be improved, a throttling effect is formed, and the situation that liquid flows into the rotating groove 17 from the inner cavity of the ball valve body 1 is avoided.
In this embodiment, specifically: the bottom end of the insertion block 10 penetrates through the slot 9, and the insertion block 10 is inserted into the slot 9.
In this embodiment, specifically: the bottom end of the threaded column 14 penetrates through the threaded groove 12, and the threaded column 14 is in threaded connection with the threaded groove 12.
Working principle or structural principle, when in use, the handle 5 is rotated to rotate the ball valve rod 4, the ball valve rod 4 drives the rotary sealing block 8 on the surface to rotate, the rotary sealing block 8 rotates in the inner cavity at the top of the fixed sealing seat 3, meanwhile, the ball valve rod 4 drives the threaded seat 18 to rotate in the inner cavity of the rotary groove 17 through the threaded column 14, the threaded seat 18 further drives the intercepting ball body 7 to rotate in the inner cavity of the ball valve body 1 through the insertion block 10, thereby achieving the purpose of controlling the opening and closing of the ball valve, through the arrangement of the fixed sealing seat 3 and the rotary sealing block 8, a first labyrinth is formed at the joint between the fixed sealing seat 3 and the rotary sealing block 8, the sealing property between the ball valve rod 4 and the fixed sealing seat 3 can be improved, through the arrangement of the insertion block 10, the rotary ring 15 and the threaded seat 18, the insertion block 10, the rotary ring 15 and the second labyrinth is formed between the rotary ring 15 and, can increase the leakproofness between ball valve body 1 and the ball valve rod 4, through the setting in first maze and second maze, can increase the leakproofness between ball valve rod 4 and the ball valve body 1 greatly, avoid ball valve rod 4 the situation of weeping appearing after wearing and tearing, improve the leakproofness of this ball valve greatly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a durable leak protection stainless steel ball valve, includes ball valve body (1), its characterized in that: the left side of the ball valve body (1) is communicated with a first connecting pipe (2), the right side of the ball valve body (1) is communicated with a second connecting pipe (6), the inner cavity of the ball valve body (1) is rotatably connected with a closure ball body (7), the top of the closure ball body (7) is provided with a slot (9), the top of the ball valve body (1) is provided with a rotating groove (17), the bottom of the rotating groove (17) is provided with a movable groove (16), the outer side of the movable groove (16) is provided with a rotating groove (11), the inner cavity of the movable groove (16) is rotatably connected with an insert block (10), the top of the insert block (10) is welded with a threaded seat (18), the top of the threaded seat (18) is provided with a threaded groove (12), the surface of the insert block (10) is welded with a rotating ring (15), and the top of the ball valve body (1) is welded, the inner chamber of fixed seal seat (3) runs through there is ball valve rod (4), the bottom welding of ball valve rod (4) has screw thread post (14), the top fixed mounting on ball valve rod (4) surface has rotation handle (5), the bottom welding that the surface of ball valve rod (4) just is located rotation handle (5) has rotation seal piece (8).
2. A durable leak-proof stainless steel ball valve as claimed in claim 1, wherein: the top of the fixed sealing seat (3) is matched with the bottom of the rotary sealing block (8), and the fixed sealing seat (3) is rotatably connected with the rotary sealing block (8).
3. A durable leak-proof stainless steel ball valve as claimed in claim 1, wherein: the top of screw thread seat (18) is provided with gasket (13), the through-hole with screw thread post (14) looks adaptation is seted up to the inner chamber of gasket (13), the top and the ball valve rod (4) in close contact with of gasket (13), the bottom and the screw thread seat (18) in close contact with of gasket (13).
4. A durable leak-proof stainless steel ball valve as claimed in claim 1, wherein: the rotating ring (15) is positioned in the inner cavity of the rotating groove (11), and the rotating ring (15) is rotatably connected with the rotating groove (11).
5. A durable leak-proof stainless steel ball valve as claimed in claim 1, wherein: the bottom end of the insertion block (10) penetrates through the insertion groove (9), and the insertion block (10) is inserted into the insertion groove (9).
6. A durable leak-proof stainless steel ball valve as claimed in claim 1, wherein: the bottom end of the threaded column (14) penetrates through the threaded groove (12), and the threaded column (14) is in threaded connection with the threaded groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703525.2U CN212131502U (en) | 2020-04-30 | 2020-04-30 | Durable leak-proof stainless steel ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020703525.2U CN212131502U (en) | 2020-04-30 | 2020-04-30 | Durable leak-proof stainless steel ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212131502U true CN212131502U (en) | 2020-12-11 |
Family
ID=73692183
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020703525.2U Active CN212131502U (en) | 2020-04-30 | 2020-04-30 | Durable leak-proof stainless steel ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212131502U (en) |
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2020
- 2020-04-30 CN CN202020703525.2U patent/CN212131502U/en active Active
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