CN217633976U

CN217633976U - Sealing valve

Info

Publication number: CN217633976U
Application number: CN202221430843.1U
Authority: CN
Inventors: 谭志平; 林秀武
Original assignee: Zhejiang Oude Machinery Technology Co ltd
Current assignee: Zhejiang Oude Machinery Technology Co ltd
Priority date: 2022-06-08
Filing date: 2022-06-08
Publication date: 2022-10-21
Anticipated expiration: 2032-06-08

Abstract

The utility model discloses a sealing valve, including the main valve shell, the inside central point of main valve shell puts the department and rotates and be connected with the case, the inside central point of case puts the department and is equipped with the valve opening, the both ends of valve opening all extend to the outside of case, the central point on main valve shell top puts the swing joint of department and has the valve rod, the bottom of valve rod extend to the inside of main valve shell and with the top fixed connection of case, the one end that the case was kept away from to the valve rod is equipped with the valve handle, vice valve casing is all installed at the both ends of main valve shell, be equipped with the business turn over liquid mouth on the outer wall that main valve shell one side was kept away from to vice valve casing, the one end of business turn over liquid mouth extends to the inside of vice valve casing, the surface of main valve shell both sides all is equipped with first plate seat. The utility model discloses not only improve the convenience when the seal valve is maintained, still improved the leakproofness when the seal valve uses, the case produces self-rotation's phenomenon when having reduced the seal valve use moreover.

Description

Sealing valve

Technical Field

The utility model relates to a seal valve technical field specifically is a seal valve.

Background

The valves are control parts in fluid conveying systems, and have functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, shunting or overflowing and relieving pressure, and the like, and the valves used for the fluid control systems, from the simplest stop valves to various valves used in extremely complex automatic control systems, have quite various varieties and specifications, and have higher requirements on the sealing performance of the valves, so that corresponding sealing valves are derived.

The main valve shell and the auxiliary valve shell of the sealing valve on the market are mostly of a fixed integrated structure, so that the sealing valve is inconvenient to disassemble and handle, further the maintenance is inconvenient, and people are troubled frequently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal valve to it is not convenient for dismantle the problem of maintaining to provide the seal valve in the above-mentioned background art to solve.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing valve, includes the main valve shell, the inside central point of main valve shell puts the department and rotates and is connected with the case, the inside central point of case puts the department and is equipped with the valve opening, the both ends of valve opening all extend to the outside of case, the central point on main valve shell top puts the swing joint and has the valve rod, the bottom of valve rod extend to the inside of main valve shell and with the top fixed connection of case, the one end that the case was kept away from to the valve rod is equipped with the valve handle, vice valve casing is all installed at the both ends of main valve shell, be equipped with into outlet on the outer wall that main valve shell one side was kept away from to vice valve casing, the one end of inlet outlet extends to the inside of vice valve casing, the surface of main valve shell both sides all is equipped with first board seat, the vice valve casing surface of first board seat one side all is equipped with the second board seat, be equipped with lock nut on the outer wall that second board seat one side was kept away from to the first board seat, lock bolt's one end runs through second board seat and first board seat in proper order and with lock nut threaded connection.

Preferably, the contact position of the main valve shell and the valve core is provided with a sealing ring, the outer wall of one side of the sealing ring is fixedly connected with the inner wall of the main valve shell, and the sealing ring is arranged at the contact position of the main valve shell and the valve core, so that the medium is reduced to flow through a gap at the contact position of the main valve shell and the valve core.

Preferably, a positioning plate is arranged at the top end of the main valve shell on one side of the valve rod, a shaft rod is movably connected to the center position inside the positioning plate, two ends of the shaft rod extend to the outside of the positioning plate, and the shaft rod is movably arranged on the inner side of the positioning plate so as to drive the pin head to move transversely.

Preferably, one end of the surface of the valve rod is provided with a pin hole, and the pin head is arranged on the surface of the valve rod through the pin hole.

Preferably, the one end of axostylus axostyle is equipped with the stopper, the one end that the stopper was kept away from to the axostylus axostyle is equipped with the round pin head, the one end that the axostylus axostyle was kept away from to the round pin head touches mutually with the outer wall of valve rod, inserts the inside to the pinhole through the round pin head to carry out the locking location to the valve rod.

Preferably, a positioning block is fixed on the outer wall of one end, close to the pin head, of the shaft rod, a spring is wound on the outer wall of the shaft rod, far away from one side of the pin head, of the positioning block, one end of the spring is connected with the outer wall of the positioning block, the other end of the spring is connected with the inner wall of the positioning plate, and the spring acts elastically so that the shaft rod can be driven to move transversely through the positioning block.

Compared with the prior art, the beneficial effects of the utility model are that: the sealing valve not only improves the convenience of maintenance of the sealing valve, but also improves the sealing performance of the sealing valve in use, and reduces the phenomenon that a valve core rotates automatically when the sealing valve is used;

(1) One end of the locking bolt is screwed out of the locking nut by rotating the locking bolt, and then the auxiliary valve shell is pulled towards two sides, so that the second plate seat is detached from one side of the first plate seat, namely the auxiliary valve shell can be detached from two ends of the main valve shell, and the sealing valve can be detached, maintained and processed conveniently, and the convenience in maintenance of the sealing valve is improved;

(2) The sealing ring is arranged at the contact position of the main valve shell and the valve core, so that the medium can be prevented from flowing in a gap at the contact position of the main valve shell and the valve core, and the sealing performance of the sealing valve in use is improved;

(3) Through the elastic action of the spring, the positioning block drives the shaft rod to slide leftwards, and when the pin hole of the rotated valve rod faces the positioning plate, the shaft rod can drive the pin head to be inserted into the pin hole, so that the valve rod can be locked, and the phenomenon that the valve core rotates when the sealing valve is used is reduced.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a schematic diagram of a top view cross-sectional structure of the main valve housing of the present invention;

fig. 3 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;

fig. 4 is an enlarged schematic structural diagram of the position B in fig. 2 according to the present invention.

In the figure: 1. a main valve housing; 2. a valve stem; 3. a valve handle; 4. a liquid inlet and outlet; 5. a valve core; 6. a valve bore; 7. an auxiliary valve casing; 8. a seal ring; 9. a pin hole; 10. a pin head; 11. a spring; 12. positioning a plate; 13. a limiting block; 14. a shaft lever; 15. positioning blocks; 16. locking the bolt; 17. locking the nut; 18. a first plate seat; 19. a second plate seat.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a sealing valve comprises a main valve shell 1, wherein sealing rings 8 are arranged at the contact positions of the main valve shell 1 and a valve core 5, and the outer wall of one side of each sealing ring 8 is fixedly connected with the inner wall of the main valve shell 1;

when the valve is used, the sealing ring 8 is arranged at the contact position of the main valve shell 1 and the valve core 5, so that the medium is reduced to flow through a gap at the contact position of the main valve shell 1 and the valve core 5;

a valve core 5 is rotatably connected at the central position inside the main valve shell 1, a valve hole 6 is arranged at the central position inside the valve core 5, and two ends of the valve hole 6 extend to the outside of the valve core 5;

the center position of the top end of the main valve shell 1 is movably connected with a valve rod 2, and the bottom end of the valve rod 2 extends into the main valve shell 1 and is fixedly connected with the top end of the valve core 5;

a positioning plate 12 is arranged at the top end of the main valve shell 1 at one side of the valve rod 2, a shaft rod 14 is movably connected at the central position inside the positioning plate 12, and two ends of the shaft rod 14 extend to the outside of the positioning plate 12;

when in use, the shaft lever 14 is movably arranged at the inner side of the positioning plate 12 so as to drive the pin head 10 to move transversely;

one end of the surface of the valve rod 2 is provided with a pin hole 9;

when in use, the pin hole 9 is arranged on the surface of the valve rod 2, so that the pin head 10 can be arranged;

a limiting block 13 is arranged at one end of the shaft lever 14, a pin head 10 is arranged at one end of the shaft lever 14, which is far away from the limiting block 13, and one end of the pin head 10, which is far away from the shaft lever 14, is contacted with the outer wall of the valve rod 2;

when in use, the pin head 10 is inserted into the pin hole 9 so as to lock and position the valve rod 2;

a positioning block 15 is fixed on the outer wall of one end of the shaft lever 14 close to the pin head 10, a spring 11 is wound on the outer wall of the shaft lever 14 on one side of the positioning block 15 far away from the pin head 10, one end of the spring 11 is connected with the outer wall of the positioning block 15, and the other end of the spring 11 is connected with the inner wall of the positioning plate 12;

when in use, the shaft lever 14 is driven to transversely move by the positioning block 15 under the elastic action of the spring 11;

a valve handle 3 is arranged at one end of the valve rod 2 far away from the valve core 5, two ends of the main valve shell 1 are both provided with auxiliary valve shells 7, the outer wall of one side of the auxiliary valve shell 7 far away from the main valve shell 1 is provided with a liquid inlet and outlet 4, and one ends of the liquid inlet and outlet 4 extend into the auxiliary valve shells 7;

the outer surfaces of two sides of the main valve shell 1 are provided with first plate seats 18, the surfaces of the auxiliary valve shells 7 on one sides of the first plate seats 18 are provided with second plate seats 19, the outer walls, far away from one sides of the second plate seats 19, of the first plate seats 18 are provided with locking nuts 17, the outer walls, far away from one sides of the first plate seats 18, of the second plate seats 19 are provided with locking bolts 16, and one ends of the locking bolts 16 sequentially penetrate through the second plate seats 19 and the first plate seats 18 and are in threaded connection with the locking nuts 17.

When the sealing valve is used, firstly, the valve handle 3 is rotated to drive the valve core 5 to be positioned inside the main valve shell 1 through the valve rod 2 to rotate, so that the angle of the valve hole 6 is changed and the sealing valve is in a longitudinal horizontal structure, that is, the sealing valve can be in a closed state to stop the liquid medium from flowing inside the main valve shell 1, at the moment, the pin hole 9 faces the position of the positioning plate 12, then, the sealing valve can drive the shaft rod 14 to slide leftwards through the positioning block 15 under the elastic action of the spring 11, so that the shaft rod 14 drives the pin head 10 to be inserted into the pin hole 9, that is, the valve rod 2 can be locked, further, the phenomenon that the valve core 5 rotates automatically can be reduced, then, the sealing ring 8 is arranged at the contact position of the main valve shell 1 and the valve core 5, that the medium can be prevented from flowing in a gap at the contact position of the main valve shell 1 and the valve core 5, so as to improve the sealing performance of the sealing valve, finally, one end of the sealing valve can be screwed out of the locking bolt 16 to the locking nut 17 by rotating, and then, the auxiliary valve 7 can be detached to finish the maintenance of the sealing valve, and the sealing valve can be used for the sealing valve, and the sealing valve can be detached.

Claims

1. The sealing valve is characterized by comprising a main valve shell (1), a valve core (5) is rotatably connected to the center position inside the main valve shell (1), a valve hole (6) is formed in the center position inside the valve core (5), two ends of the valve hole (6) extend to the outside of the valve core (5), a valve rod (2) is movably connected to the center position at the top end of the main valve shell (1), the bottom end of the valve rod (2) extends to the inside of the main valve shell (1) and is fixedly connected with the top end of the valve core (5), one end, far away from the valve core (5), of the valve rod (2) is provided with a valve handle (3), auxiliary valve shells (7) are mounted at two ends of the main valve shell (1), a liquid inlet and outlet (4) is formed in the outer wall, far away from one side of the main valve shell (1), one ends of the liquid inlet and outlet (4) extend to the inside of the auxiliary valve shell (7), first plate seats (18) are arranged on the outer surfaces of two sides of the main valve shell (1), a second plate seat (19) is arranged on the surface of the auxiliary valve shell (7), and a second plate (19) is arranged on one side of the locking bolt (17), one end of the locking bolt (16) penetrates through the second plate seat (19) and the first plate seat (18) in sequence and is in threaded connection with the locking nut (17).

2. A sealing valve according to claim 1, characterized in that: the valve is characterized in that a sealing ring (8) is arranged at the contact position of the main valve shell (1) and the valve core (5), and the outer wall of one side of the sealing ring (8) is fixedly connected with the inner wall of the main valve shell (1).

3. A sealing valve according to claim 1, characterized in that: the valve is characterized in that a positioning plate (12) is arranged at the top end of a main valve shell (1) on one side of a valve rod (2), a shaft rod (14) is movably connected to the center position inside the positioning plate (12), and two ends of the shaft rod (14) extend to the outside of the positioning plate (12).

4. A sealing valve according to claim 1, characterized in that: one end of the surface of the valve rod (2) is provided with a pin hole (9).

5. A sealing valve according to claim 3, characterized in that: one end of the shaft lever (14) is provided with a limiting block (13), one end of the shaft lever (14) far away from the limiting block (13) is provided with a pin head (10), and one end of the pin head (10) far away from the shaft lever (14) is in contact with the outer wall of the valve rod (2).

6. A sealing valve according to claim 5, characterized in that: the positioning block (15) is fixed on the outer wall of one end, close to the pin head (10), of the shaft rod (14), the spring (11) is wound on the outer wall of the shaft rod (14) on one side, far away from the pin head (10), of the positioning block (15), one end of the spring (11) is connected with the outer wall of the positioning block (15), and the other end of the spring (11) is connected with the inner wall of the positioning plate (12).