CN219242656U

CN219242656U - Straight-through pressure equalizing valve

Info

Publication number: CN219242656U
Application number: CN202320664526.4U
Authority: CN
Inventors: 刘欢
Original assignee: Tangshan Qianding Metallurgical Machinery Manufacturing Co ltd
Current assignee: Tangshan Qianding Metallurgical Machinery Manufacturing Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-23
Anticipated expiration: 2033-03-30

Abstract

The utility model relates to a through pressure equalizing valve belongs to the technical field of valves, and it includes the valve body, the bottom of valve body is fixed with the go-between board, the go-between board below is provided with the disk seat, the unloading hole has been seted up on the disk seat, be fixed with the solid fixed ring on the disk seat, the solid fixed ring the internal diameter with the diameter of unloading hole is the same, gu fixed ring with be provided with first mounting groove between the go-between board, be provided with the clamp ring in the first mounting groove, the clamp ring with the valve body passes through the fix with screw, be provided with the second mounting groove between clamp ring with gu fixed ring, install the sealing washer in the second mounting groove; the valve is characterized in that a valve plate is arranged in the valve body and is in contact with the top surface of the sealing ring, a first access hole is formed in the side wall of the valve body, and a first cover plate is arranged at the position of the first access hole. This application has the effect of being convenient for change the sealing washer.

Description

Straight-through pressure equalizing valve

Technical Field

The application relates to the technical field of valves, in particular to a straight-through pressure equalizing valve.

Background

The equalizing valve is key mechanical equipment in the production process of the iron-making blast furnace, is arranged on a pressure discharge pipeline of the iron-making blast furnace and is used for controlling the pressure of a charging tank of the iron-making blast furnace, ensuring that furnace charges can be placed in the blast furnace, and is widely used in the field of blast furnace iron-making.

When the equalizing valve operates for a long time, the sealing ring contacted with the valve plate is worn, the valve plate is not tightly closed after the sealing ring is worn, the equalizing valve is leaked, and the equalizing pressure of the charging bucket of the ironmaking blast furnace cannot be kept stable. At present, when the sealing ring is replaced, the replacement process is complex, the installation efficiency of the sealing ring is low, and the production efficiency of the ironmaking blast furnace is reduced.

Disclosure of Invention

In order to be convenient for change the sealing washer, improve the installation effectiveness of sealing washer, this application provides a direct pressure equalizing valve.

The application provides a through pressure equalizing valve adopts following technical scheme:

the utility model provides a direct pressure equalizing valve, includes the valve body, the bottom of valve body is fixed with the go-between board, the go-between board below is provided with the disk seat, set up the unloading hole on the disk seat, be fixed with the solid fixed ring on the disk seat, the solid fixed ring the internal diameter with the diameter of unloading hole is the same, gu be provided with first mounting groove between solid fixed ring and the go-between board, be provided with the clamp ring in the first mounting groove, the clamp ring with the valve body passes through the fix with screw, be provided with the second mounting groove between clamp ring and the solid fixed ring, install the sealing washer in the second mounting groove;

the valve is characterized in that a valve plate is arranged in the valve body and is in contact with the top surface of the sealing ring, a first access hole is formed in the side wall of the valve body, and a first cover plate is arranged at the position of the first access hole.

Through adopting above-mentioned technical scheme, when changing the sealing washer, open first apron, open the valve plate again, make valve plate and sealing washer separation, screw of fixed clamp ring and disk seat is unscrewed, later take out old sealing washer, change new sealing washer, later fix clamp ring and disk seat again, close first apron, through setting up this kind of structure, be convenient for install and dismantle the sealing washer, improved the change efficiency of sealing washer.

Optionally, one side of the valve plate, which is close to the sealing ring, is fixed with an abutting ring, and the abutting ring compresses the sealing ring.

By adopting the technical scheme, the abutting ring compresses the sealing ring, so that the tightness between the valve plate and the sealing ring is improved.

Optionally, the cross-section of sealing washer is isosceles trapezoid, the solid fixed ring with the lateral wall that the clamp ring is close to each other is from top to bottom to the direction slope that keeps away from each other, gu fixed ring with the clamp ring will the sealing washer is in the second mounting groove.

Through adopting above-mentioned technical scheme, fixed ring and clamp ring limit the sealing washer in the second mounting groove, increase the stability of sealing washer.

Optionally, the lateral wall of valve body is fixed with the mount pad, it has the cylinder to articulate on the mount pad, it has the rocking arm to articulate on the piston rod of cylinder, the rocking arm is kept away from the one end of cylinder is fixed with the pivot, the one end that the rocking arm was kept away from to the pivot stretches into in the valve body, the pivot with the valve body lateral wall rotates to be connected, be fixed with the head rod in the pivot, install the second connecting rod on the head rod, the second connecting rod with the valve plate is connected.

Through adopting above-mentioned technical scheme, when opening the valve plate, cylinder drive rocking arm rotates, and the rocking arm drives the pivot and rotates, and the pivot drives head rod and second connecting rod and rotates, and the second connecting rod drives the valve plate and rotates to open the equalizing valve.

Optionally, the connecting rod has seted up the connecting hole on the first connecting rod, the second connecting rod runs through the connecting hole, the both ends of the connecting hole of first connecting rod all are provided with lock nut, lock nut with second connecting rod threaded connection.

Through adopting above-mentioned technical scheme, when installing head rod and second connecting rod, run through the connecting hole with the second connecting rod, make two lock nut and second connecting rod threaded connection to it is fixed with head rod and second connecting rod.

Optionally, the bottom of second connecting rod is fixed with the connecting block, the mounting hole has been seted up on the valve plate, the connecting block is kept away from the one end of second connecting rod inserts in the mounting hole, can dismantle on the valve plate and be connected with the connecting block restriction is in limiting plate in the mounting hole, the second connecting rod runs through the limiting plate.

Through adopting above-mentioned technical scheme, limiting plate limits the connecting block in the mounting hole to fixed with second connecting rod and valve plate, the limiting plate can be dismantled with the valve plate and be connected, thereby be convenient for change the valve plate.

Optionally, a second access hole is formed in the side wall of the valve body, and a second cover plate is installed on the second access hole.

Through adopting above-mentioned technical scheme, first access hole and second access hole have been seted up on the valve body, when the staff overhauls the equalizing valve, the staff of being convenient for operates.

Optionally, a first connecting pipe is arranged at the position of the first access hole, the first connecting pipe is fixed with the valve body, a first mounting plate is fixed on the first connecting pipe, one end of the first mounting plate is hinged with one end of the first cover plate, and the first mounting plate is fixed with the first cover plate through bolts and nuts;

the second overhaul port is provided with a second connecting pipe, the second connecting pipe is fixed with the valve body, a second mounting plate is fixed on the second connecting pipe, one end of the second mounting plate is hinged with one end of the second cover plate, and the second mounting plate is fixed with the second cover plate through bolts and nuts;

through adopting above-mentioned technical scheme, the one end of first mounting panel is articulated with the one end of first apron, and the one end of second mounting panel is articulated with the one end of second apron, when opening first apron or second apron, need not take off first apron from first mounting panel, need not take off the second apron from the second mounting panel, and the staff of being convenient for operates.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the sealing ring is replaced, the first cover plate is opened, the valve plate is opened again, the valve plate is separated from the sealing ring, screws for fixing the compression ring and the valve seat are unscrewed, then the old sealing ring is taken out, a new sealing ring is replaced, then the compression ring is fixed with the valve seat, the first cover plate is closed, and the sealing ring is convenient to install and detach by the aid of the structure, so that replacement efficiency of the sealing ring is improved;

2. the abutting ring compresses the sealing ring, so that the tightness between the valve plate and the sealing ring is improved;

3. the fixing ring and the compression ring limit the sealing ring in the second mounting groove, so that the stability of the sealing ring is improved.

Drawings

Fig. 1 is a schematic diagram of the overall structure embodying the present application.

Fig. 2 is a schematic view of a valve plate, a first connecting rod and a second connecting rod embodying the present application.

FIG. 3 is a schematic view of a retaining ring, clamp ring, and abutment ring embodying the present application.

Fig. 4 is a schematic view of a second cover plate embodying the present application.

Reference numerals illustrate: 1. a valve body; 11. an inlet channel; 12. an outlet channel; 13. a mounting base; 14. a cylinder; 15. a rocker arm; 16. a rotating shaft; 17. a first connecting rod; 171. a connection hole; 172. a reinforcing rod; 173. a lock nut; 18. a second connecting rod; 181. a connecting block; 2. a valve plate; 21. a mounting hole; 22. a limiting plate; 221. a limiting hole; 23. an abutment ring; 3. connecting the annular plates; 4. a valve seat; 41. a blanking hole; 42. a fixing ring; 43. a first mounting groove; 44. a clamp ring; 45. a second mounting groove; 5. a seal ring; 6. a first access port; 61. a first connection pipe; 62. a first mounting plate; 63. a first cover plate; 7. a second access port; 71. a second connection pipe; 72. a second mounting plate; 73. and a second cover plate.

Detailed Description

The present application is described in further detail below in conjunction with fig. 1-4.

The embodiment of the application discloses a straight-through pressure equalizing valve. Referring to fig. 1 and 2, the through pressure equalizing valve comprises a valve body 1 and a valve plate 2 positioned inside the valve body 1, an inlet passage 11 and an outlet passage 12 are arranged on the valve body 1, the inlet passage 11 is positioned above the valve body 1, the outlet passage 12 is positioned below the valve body 1, and axes of the inlet passage 11 and the outlet passage 12 are coincident.

The side wall of the valve body 1 is fixedly provided with a mounting seat 13, the mounting seat 13 is hinged with a cylinder 14, a piston rod of the cylinder 14 is hinged with a rocker arm 15, one end of the rocker arm 15 far away from the cylinder 14 is fixedly provided with a rotating shaft 16, the rotating shaft 16 is rotationally connected with the mounting seat 13, one end of the rotating shaft 16 stretches into the valve body 1, the rotating shaft 16 is fixedly provided with a first connecting rod 17, the first connecting rod 17 is positioned in the valve body 1, the first connecting rod 17 is provided with a second connecting rod 18, and the second connecting rod 18 is connected with the valve plate 2.

The reinforcing rod 172 is fixed on the rotating shaft 16, is positioned below the first connecting rod 17 in a reinforcing way and is fixed with the first connecting rod 17, and the reinforcing rod 172 increases the connection strength of the first connecting rod 17 and the rotating shaft 16. The end of the first connecting rod 17 far away from the rotating shaft 16 is provided with a connecting hole 171, and the connecting hole 171 penetrates through the first connecting rod 17. The second connecting rod 18 is a cylindrical rod, the second connecting rod 18 passes through the connecting hole 171, and locking nuts 173 are arranged at two ends of the connecting hole 171 on the first connecting rod 17, and the locking nuts 173 are in threaded connection with the second connecting rod 18.

One end of the second connecting rod 18, which is close to the valve plate 2, is fixed with a connecting block 181, one side of the connecting block 181, which is close to the valve plate 2, is in a sphere shape, and the sphere diameter of the connecting block 181 is larger than that of the second connecting rod 18. The mounting hole 21 has been seted up on the valve plate 2, and the connecting block 181 is close to the one end of valve plate 2 and inserts in the mounting hole 21, and the top of valve plate 2 is provided with limiting plate 22, has seted up spacing hole 221 on the limiting plate 22, and second connecting rod 18 runs through spacing hole 221, and limiting plate 22 passes through the fix with screw with valve plate 2, and limiting plate 22 can prevent that connecting block 181 from deviating from mounting hole 21 to fix valve plate 2 with second connecting rod 18.

Referring to fig. 2 and 3, a connection ring plate 3 is fixed to the bottom of the valve body 1, a valve seat 4 is provided below the connection ring plate 3, and the valve seat 4 is fixed to the connection ring plate 3 by screws. The valve seat 4 is provided with a blanking hole 41, and the diameter of the blanking hole 41 is smaller than the diameter of the inner ring of the connecting ring plate 3. A fixed ring 42 is fixed on the valve seat 4, the inner diameter of the fixed ring 42 is equal to the diameter of the blanking hole 41, and a first mounting groove 43 is arranged between the fixed ring 42 and the inner wall of the connecting ring plate 3. A clamp ring 44 is provided in the first mounting groove 43, and the clamp ring 44 is fixed to the valve seat 4 by a screw.

A second mounting groove 45 is formed between the inner wall of the compression ring 44 and the outer wall of the fixed ring 42, a sealing ring 5 is arranged in the second mounting groove 45, the sealing ring 5 is made of rubber materials, the cross section of the sealing ring 5 is isosceles trapezoid, the side wall of the compression ring 44, which is close to the fixed ring 42, is inclined from top to bottom in a direction away from each other, and the sealing ring 5 is limited in the second mounting groove 45. When the sealing ring 5 is replaced, the screw fixing the compression ring 44 and the valve seat 4 is unscrewed, the compression ring 44 is firstly removed, and then the sealing ring 5 is replaced.

An abutting ring 23 is fixed on one side of the valve seat 4 close to the sealing ring 5, the abutting ring 23 is in contact with the sealing ring 5, and after the valve plate 2 is closed, the abutting ring 23 abuts against the sealing ring 5.

Referring to fig. 2 and 4, a first access hole 6 is formed in a side wall of the valve body 1, a first connecting pipe 61 is arranged on the outer side of the first access hole 6, the first connecting pipe 61 is fixed to the side wall of the valve body 1, the first connecting pipe 61 is a circular pipe, a first mounting plate 62 is fixed to the first connecting pipe 61, a first cover plate 63 is arranged on one side, away from the first connecting pipe 61, of the first mounting plate 62, the first cover plate 63 and the first mounting plate 62 are hexagonal plates, one end of the first mounting plate 62 is hinged to one end of the first cover plate 63, and the first mounting plate 62 and the first cover plate 63 are fixed through a plurality of bolts and nuts.

A second access hole 7 is formed in the side wall of the valve body 1, a second connecting pipe 71 is fixed to the outer side of the second access hole 7, a second mounting plate 72 is fixed to the second connecting pipe 71, a second cover plate 73 is arranged on one side, away from the valve body 1, of the second mounting plate 72, and the second cover plate 73 and the second mounting plate 72 are rectangular plates. One end of the second cover plate 73 is hinged to the second mounting plate 72, and the second cover plate 73 and the second mounting plate 72 are fixed through a plurality of bolts and nuts. A first overhaul port 6 and a second overhaul port 7 are formed, so that a worker can overhaul the pressure equalizing valve conveniently.

The implementation principle of the straight-through equalizing valve in the embodiment of the application is as follows: when the seal ring 5 is replaced, the first cover plate 63 is opened, the cylinder 14 drives the valve plate 2 to open, screws on the clamp ring 44 are unscrewed, the old seal ring 5 is taken out, a new seal ring 5 is replaced, the clamp ring 44 is placed in the first mounting groove 43, and the clamp ring 44 is fixed with the valve seat 4 through the screws, so that the seal ring 5 is fixed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A through pressure equalizing valve, which is characterized in that: the novel valve comprises a valve body (1), a connecting ring plate (3) is fixed at the bottom of the valve body (1), a valve seat (4) is arranged below the connecting ring plate (3), a discharging hole (41) is formed in the valve seat (4), a fixing ring (42) is fixed on the valve seat (4), the inner diameter of the fixing ring (42) is identical to the diameter of the discharging hole (41), a first mounting groove (43) is formed between the fixing ring (42) and the connecting ring plate (3), a compression ring (44) is arranged in the first mounting groove (43), the compression ring (44) is fixed with the valve body (1) through a screw, a second mounting groove (45) is formed between the compression ring (44) and the fixing ring (42), and a sealing ring (5) is arranged in the second mounting groove (45);

the novel valve is characterized in that a valve plate (2) is arranged in the valve body (1), the valve plate (2) is in contact with the top surface of the sealing ring (5), a first access hole (6) is formed in the side wall of the valve body (1), and a first cover plate (63) is arranged at the position of the first access hole (6).

2. A straight through pressure equalizing valve according to claim 1, characterized in that: one side of the valve plate (2) close to the sealing ring (5) is fixed with an abutting ring (23), and the abutting ring (23) compresses the sealing ring (5).

3. A straight through pressure equalizing valve according to claim 1 or 2, characterized in that: the cross section of sealing washer (5) is isosceles trapezoid, fixed ring (42) with lateral wall that clamp ring (44) are close to each other is inclined from top to bottom to the direction that keeps away from each other, fixed ring (42) with clamp ring (44) will sealing washer (5) are restricted in second mounting groove (45).

4. A straight through pressure equalizing valve according to claim 1, characterized in that: the side wall of valve body (1) is fixed with mount pad (13), articulated on mount pad (13) have cylinder (14), articulated on the piston rod of cylinder (14) have rocking arm (15), rocking arm (15) are kept away from one end of cylinder (14) is fixed with pivot (16), one end that rocking arm (15) was kept away from in pivot (16) stretches into in valve body (1), pivot (16) with valve body (1) lateral wall rotates to be connected, be fixed with head rod (17) on pivot (16), install second connecting rod (18) on head rod (17), second connecting rod (18) with valve plate (2) are connected.

5. A straight through pressure equalizing valve according to claim 4, wherein: the connecting rod (17) is provided with a connecting hole (171), the second connecting rod (18) penetrates through the connecting hole (171), locking nuts (173) are arranged at two ends of the connecting hole (171) of the first connecting rod (17), and the locking nuts (173) are in threaded connection with the second connecting rod (18).

6. A straight through pressure equalizing valve according to claim 5, wherein: the bottom of second connecting rod (18) is fixed with connecting block (181), set up mounting hole (21) on valve plate (2), connecting block (181) are kept away from in mounting hole (21) are inserted to the one end of second connecting rod (18), be connected with on valve plate (2) detachably will connecting block (181) restriction limiting plate (22) in mounting hole (21), second connecting rod (18) run through limiting plate (22).

7. A straight through pressure equalizing valve according to claim 1, characterized in that: a second overhaul port (7) is formed in the side wall of the valve body (1), and a second cover plate (73) is installed on the second overhaul port (7).

8. A straight through pressure equalizing valve according to claim 7, wherein: the first overhaul port (6) is provided with a first connecting pipe (61), the first connecting pipe (61) is fixed with the valve body (1), a first mounting plate (62) is fixed on the first connecting pipe (61), one end of the first mounting plate (62) is hinged with one end of the first cover plate (63), and the first mounting plate (62) is fixed with the first cover plate (63) through bolts and nuts;

the second overhaul port (7) is provided with a second connecting pipe (71), the second connecting pipe (71) is fixed with the valve body (1), a second mounting plate (72) is fixed on the second connecting pipe (71), one end of the second mounting plate (72) is hinged with one end of a second cover plate (73), and the second mounting plate (72) is fixed with the second cover plate (73) through bolts and nuts.