CN218494203U

CN218494203U - Transverse rotating valve clack shielding valve capable of being updated on line without disassembly

Info

Publication number: CN218494203U
Application number: CN202222584286.5U
Authority: CN
Inventors: 韩杰; 李来志
Original assignee: Shenyang Anti Corrosion Alloy Pump Co ltd
Current assignee: Shenyang Anti Corrosion Alloy Pump Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-02-17
Anticipated expiration: 2032-09-29

Abstract

The utility model belongs to the field of water supply and drainage valves, in particular to a transverse rotating valve clack shielding valve which can be updated on line without disassembly in the fields of electric power, metallurgy, desulfurization and denitrification and the like, and comprises a valve body (1); a valve rod I (5) and a valve rod II (10) are sequentially and longitudinally arranged on a valve cover (101) of the valve body (1) at a certain distance; an up-and-down moving driving mechanism I is arranged at the upper part of the valve rod I (5); the upper part of the valve rod II (10) is provided with an up-and-down moving driving mechanism II; the front end of the valve rod I (5) is provided with a small valve clack (3); the front end of the valve rod II (10) is provided with a large valve clack (2); the big valve clack (2) is horizontally arranged above the valve port (19); the small valve clack (3) is arranged on the large valve clack (2); the valve rod II (10) is provided with a rotary driving mechanism which can provide torque force for the valve rod II. The utility model has the characteristics of scratch resistance, corrosion resistance, high hardness, long service life, no inner leakage, no outer leakage and the like.

Description

Transverse rotating valve clack shielding valve capable of being updated on line without disassembly

Technical Field

The utility model belongs to a water supply and drainage valve field especially relates to a horizontal rotary valve clack shield valve that fields such as electric power, metallurgy, SOx/NOx control need not to dismantle and can update on line.

Background

The valves are various in variety and different in specification, are important components in the fields of electric power, metallurgy, desulfurization and denitrification and the like, and play a very important role in human production and life. The common valve can form fine gaps at the opening and closing moment, and the medium containing hard particles can wash a sealing surface at a high speed and can form phenomena such as cavitation sometimes in the use process, so that the problems of internal leakage of the valve and short service life are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the shortcomings of the prior art and providing a transverse rotating valve clack shielding valve which is scratch resistant, corrosion resistant, high in hardness, long in service life, free of inner leakage and outer leakage and free of disassembly and can be updated on line.

In order to solve the above problem, the present invention is realized as follows:

the transverse rotating valve clack shielding valve capable of being updated on line without disassembly comprises a valve body; a valve rod I and a valve rod II are sequentially and longitudinally arranged on a valve cover of the valve body at certain intervals; the upper part of the valve rod I is provided with an up-and-down moving driving mechanism I; an up-and-down moving driving mechanism II is arranged at the upper part of the valve rod II; a small valve clack is arranged at the front end of the valve rod I; the front end of the valve rod II is provided with a large valve clack; the big valve clack is horizontally positioned above the valve port; the small valve clack is arranged above the large valve clack; and a rotary driving mechanism capable of providing torque force for the valve rod II is arranged on the valve rod II.

As a preferred scheme, the rotary driving mechanism of the utility model adopts an indexing mechanism.

Furthermore, the indexing mechanism of the utility model comprises a dial, an inclined bridge, indexing teeth and a spur rack; the valve rod II is connected with the dial through a flat key; the inclined bridge adopts two sections of semicircular structures and fastens the dial through jackscrews; the dial is fixedly arranged on the indexing teeth; the front end of the straight rack is clamped with the tooth groove of the indexing teeth.

Furthermore, the front end of the valve rod II of the utility model is provided with a universal joint; and a pin shaft hinged with the large valve clack is transversely arranged on the universal joint.

Further, the diameter of the big valve clack is more than twice of the diameter of the valve port, and the rotation angle of the big valve clack is not less than 0 degree and not more than a and not more than 360 degrees.

Further, valve rod II is certain declination setting with the vertical direction.

The utility model has the advantages of scratch resistance, corrosion resistance, high hardness, long service life, no inner leakage, no outer leakage and the like, and can solve the problems of high maintenance cost and the like of inner leakage and shutdown of the sealing surface of a common valve. The utility model discloses the space of valve rod and valve gap is kept apart in order to ensure that the medium does not leak outward in the valve body by the shielding cover, leaks in order to ensure that the medium does not have through the static seal between big valve clack and the valve port. The big valve clack can be controlled to rotate by a certain angle at any time to avoid the scouring position, so that the valve clack can be replaced on line. The utility model discloses the diameter of big valve clack is valve port diameter's several times and can make up static seal again by online rotation angle change position, need not to shut down the maintenance, and the nothing is blockked up, and life is ordinary valve's several times.

Drawings

The present invention will be further described with reference to the accompanying drawings and the following detailed description. The scope of the present invention is not limited to the following description.

Fig. 1 is a schematic structural view of the present invention in a valve closed state;

FIG. 2 is a schematic structural view of the present invention in a valve open state;

FIG. 3 is a schematic view of the valve closed state structure of the present invention when the valve rod is designed to be inclined;

fig. 4 is the structural schematic diagram of the valve opening state when the valve rod is obliquely designed.

In the figure: 1. a valve body; 101. a valve cover; 2. a large valve flap; 3. a small valve flap; 4. a shielding sleeve I; 5. a valve stem I; 6. a hand wheel I; 7. a hand wheel II; 801. a bearing seat I; 802. a bearing seat II; 901. a copper nut I; 902. a copper nut II; 10. a valve stem II; 11. a dial scale; 12. a skew bridge; 13. indexing teeth; 14. a flat bond; 15. a shielding sleeve II; 16. carrying out top thread; 17. a universal joint; 18. a pin shaft; 19. and (4) valve ports.

Detailed Description

As shown in the figure, the transverse rotating valve clack shielding valve which can be updated on line without disassembly comprises a valve body 1; a valve rod I5 and a valve rod II10 are sequentially and longitudinally arranged on a valve cover 101 of the valve body 1 at a certain distance; an up-down moving driving mechanism I is arranged at the upper part of the valve rod I5; an up-and-down moving driving mechanism II is arranged at the upper part of the valve rod II10; the front end of the valve rod I5 is provided with a small valve clack 3; the front end of the valve rod II10 is provided with a large valve clack 2; the big valve clack 2 is horizontally positioned above the valve port 19; the small valve clack 3 is arranged above the large valve clack 2; a rotary driving mechanism which can provide torque force for the valve rod II10 is arranged on the valve rod II.

The rotary driving mechanism can adopt an indexing mechanism. As shown in the figures, the indexing mechanism of the present invention includes a dial 11, an inclined bridge 12, indexing teeth 13 and a spur rack; the valve rod II10 is connected with the dial 11 through a flat key 14; the inclined bridge 12 adopts two sections of semicircular structures and fastens the dial 11 through a jackscrew 16; the dial 11 is fixedly arranged on the indexing teeth 13; the front end of the straight rack is clamped with the tooth groove of the indexing tooth 13.

The front end of the valve rod II10 of the utility model is provided with a universal joint 17; a pin shaft 18 hinged with the large valve clack 2 is transversely arranged on the universal joint 17.

The up-and-down moving driving mechanism I of the utility model comprises a hand wheel I6, a bearing seat I801 and a copper nut I901; the hand wheel I6 is rotated to drive the copper nut I901 to drive the valve rod I5 to move longitudinally; the driving mechanism II comprises a hand wheel II7, a bearing seat II802 and a copper nut II902; the hand wheel II7 is rotated to drive the copper nut II902 to drive the valve rod II10 to move longitudinally.

The diameter of the big valve clack 2 is more than the twice of the diameter of the valve port 19, and the rotation angle of the big valve clack 2 is not less than 0 degree and not more than a and not more than 360 degrees. The diameter of the large valve clack 2 is several times of the diameter of the valve port, and is at least two times; and a new static seal can be formed again by rotating a certain angle.

The utility model is characterized in that a shielding sleeve I4 is fixedly arranged at the contact part of the valve rod I5 and the valve cover 101 in the inner cavity of the valve body 1; and a shielding sleeve II15 is fixedly arranged at the contact part of the valve rod II10 and the valve cover 101 in the inner cavity of the valve body 1. The big valve clack 2 adopts the tungsten steel material. The tungsten steel material has a series of excellent performances such as high hardness, wear resistance, corrosion resistance and the like, and can prolong the service life of the valve to the maximum extent under severe working conditions, particularly high pressure difference, scouring, cavitation and the like.

The utility model discloses set up valve rod I5 at the passageway of 1 perpendicular to pipeline direction of valve body, valve rod I5 is kept apart by shielding cover I4 with the space of valve gap, and the medium can not leak outward here, and a passageway is put to one side again to its 1 top of valve body and set up valve rod II10, and valve rod II10 is kept apart by shielding cover II15 with the space of complex valve gap 101 with it, and the medium also can not leak outward here, and the static seal between big valve clack 2 and the valve port 19 guarantees that the medium does not have interior hourglass. Thus, the shielding valve without inner leakage and outer leakage is formed. The large valve clack 2 can be controlled to rotate by a certain angle at any time to avoid the scouring position, and the transverse rotating valve clack shielding valve which can be updated on line without disassembly is formed. The utility model discloses a valve sets up two valve rods, and valve rod I5 is used for compressing tightly big valve clack 2 and exerts pressure to it and assist it to form static seal, and valve rod II10 provides torsion and opens and close big valve clack 2. The scale 11, the inclined bridge 12, the scale teeth 13 and the like form an indexing mechanism which applies torsion to the valve rod II10 and fixes the valve rod II10, the torsion finally acts on the valve rod II10, and the valve rod II10 rotates the large valve clack 2 through the universal joint 17 to enable the valve rod II to change the flushing position.

When specifically designing, the utility model discloses mainly include components such as valve body 1, big valve clack 2, little valve clack 3, housing I4, valve rod I5, hand wheel I6, hand wheel II7, bearing frame I801, bearing frame II802, copper nut I901, copper nut II902, valve rod II10, calibrated scale 11, oblique bridge 12, graduation tooth 13, flat key 14, housing II15.

When the valve is closed, the hand wheel II7 is rotated to drive the copper nut II902, the valve rod II10 drives the large valve clack 2 through the universal joint 17, the large valve clack 2 and the valve rod II10 are connected through the pin shaft 18, obliquely and downwards approach to a valve port and are tightly attached, the valve rod II10 is provided with a flat key 14 which is connected with the dial 11, the inclined bridge 12 is in two semicircular shapes, two ends of the inclined bridge are respectively provided with a jackscrew 16, one jackscrew 16 is screwed, and the dial 11 is tightly held to enable the dial 11 to rotate at an angle. The front end of the spur rack is snapped into the tooth grooves of the indexing teeth 13. The hand wheel I6 is rotated to drive the valve rod I5 to move downwards, and the front end of the valve rod I5 is provided with the small valve clack 3 which applies pressure to the large valve clack 2 to form static seal.

When the valve is opened, the hand wheel I6 is rotated reversely to lift the valve rod I5 to provide enough space for the large valve clack 2, and then the hand wheel II7 is rotated reversely to lift the large valve clack 2 by a certain height. When the static seal can not be formed at the scoured position, the jackscrew 16 of the inclined bridge 12 is loosened, the spur rack is pulled up, the dial 11 is rotated to drive the valve rod II10 to a certain angle, the scoured position is avoided at the moment, the new static seal is formed with the valve port, the jackscrew is screwed down at the moment, and the spur rack is locked. When leaking seriously in the valve, the utility model discloses can be through rotating the certain angle of big valve clack and forming new quiet sealedly to the life of extension valve is and reduce the cost of shutting down the maintenance.

Referring to fig. 3 and fig. 4, fig. 3 is the structural schematic diagram of the valve closed state when the valve rod is obliquely arranged, and fig. 4 is the structural schematic diagram of the valve open state when the valve rod is obliquely arranged. A channel is obliquely arranged above the valve body 1 and is provided with a valve rod II10, a gap between the valve rod II10 and a valve cover 101 matched with the valve rod II is isolated by a shielding sleeve II15, a medium cannot leak outwards, and static sealing between the large valve clack 2 and a valve port 19 ensures that the medium does not leak inwards. Thus, the shielding valve without inner leakage and outer leakage is formed. The large valve clack 2 can be controlled to rotate by a certain angle at any time to avoid the scouring position, and the transverse rotating valve clack shielding valve which can be updated on line without disassembly is formed.

In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "disposed," "connected," "secured," and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

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

1. The transverse rotating valve clack shielding valve capable of being updated on line without disassembly comprises a valve body (1); the valve is characterized in that a valve rod I (5) and a valve rod II (10) are sequentially and longitudinally arranged on a valve cover (101) of the valve body (1) at a certain distance; an up-and-down moving driving mechanism I is arranged at the upper part of the valve rod I (5); an up-and-down moving driving mechanism II is arranged at the upper part of the valve rod II (10); a small valve clack (3) is arranged at the front end of the valve rod I (5); the front end of the valve rod II (10) is provided with a large valve clack (2); the large valve clack (2) is horizontally positioned above the valve port (19); the small valve clack (3) is arranged on the large valve clack (2); and a rotary driving mechanism capable of providing torque force for the valve rod II (10) is arranged on the valve rod II.

2. The lateral rotary flap barrier valve that is upgradeable online without disassembly of claim 1, wherein: the rotary driving mechanism adopts an indexing mechanism.

3. The lateral rotary flap screen valve that is upgradeable online without disassembly of claim 2, wherein: the indexing mechanism comprises a dial (11), an inclined bridge (12), indexing teeth (13) and a spur rack; the valve rod II (10) is connected with the dial (11) through a flat key (14); the inclined bridge (12) adopts two sections of semicircular structures and fastens the dial (11) through a jackscrew (16); the dial (11) is fixedly arranged on the indexing teeth (13); the front end of the straight rack is clamped with the tooth groove of the indexing teeth (13).

4. The lateral rotary flap screen valve that is upgradeable online without disassembly of claim 1, 2 or 3, wherein: the front end of the valve rod II (10) is provided with a universal joint (17); and a pin shaft (18) hinged with the large valve clack (2) is transversely arranged on the universal joint (17).

5. The lateral rotary flap screen valve that is upgradeable online without disassembly of claim 4, wherein: the diameter of the large valve clack (2) is more than twice of the diameter of the valve port (19), and a is more than or equal to 0 degrees and less than or equal to 360 degrees of the rotation angle of the large valve clack (2).

6. The lateral rotary flap screen valve that is upgradeable online without disassembly of claim 5, wherein: the valve rod II (10) is arranged at a certain deflection angle with the vertical direction.