CN217355629U

CN217355629U - High-corrosion-resistance rubber-lined diaphragm valve

Info

Publication number: CN217355629U
Application number: CN202220212902.1U
Authority: CN
Inventors: 尤红东
Original assignee: Suzhou Bojin Self Control Valve Industry Co ltd
Current assignee: Suzhou Bojin Self Control Valve Industry Co ltd
Priority date: 2022-01-26
Filing date: 2022-01-26
Publication date: 2022-09-02
Anticipated expiration: 2032-01-26

Abstract

The utility model discloses a high lining of corrosion resistance glues diaphragm valve relates to lining and glues diaphragm valve technical field, for solving current lining and glues diaphragm valve, because valve switch department is corroded under the long-time use, causes the problem that valve seal nature descends. The diaphragm valve storehouse is characterized in that valve pipes are arranged at two ends of the diaphragm valve storehouse, a valve inner shell is arranged at the upper end of the diaphragm valve storehouse, a locking rod is arranged above the inner portion of the valve inner shell, the outer shell of the locking rod is fixedly connected with a clamping groove of the valve inner shell, a sealing ring is arranged above the valve inner shell, a sealing ring reinforcing plate is arranged around the sealing ring, an inner thread sleeve is arranged at the lower end of the outer shell of the locking rod, a telescopic threaded rod is arranged at the lower end of the locking rod and is in sliding connection with the inner clamping groove of the locking rod, a sealing head is arranged at the lower end of the telescopic threaded rod, and a corrosion-resistant rubber lining diaphragm is arranged at the lower end of the sealing head.

Description

High-corrosion-resistance rubber-lined diaphragm valve

Technical Field

The utility model relates to a rubber-lined diaphragm valve technical field specifically is a rubber-lined diaphragm valve that corrosion resistance is high.

Background

In conventional devices, as in application No.: 201720507040.4, respectively; the name is as follows: a rubber-lined diaphragm valve. The device includes: valve body, valve gap and the valve rod of setting on the valve body, valve body and valve gap between be equipped with the diaphragm, the diaphragm on be fixed with valve rod fixed connection's valve clack, valve rod lower extreme and diaphragm contact, the valve gap then stretches out in the upper end, valve gap upper end still rotate and be connected with the hand wheel, the hand wheel pass through lock nut and rotate and connect on the valve gap top, valve rod and valve gap upper end contact site still be equipped with valve rod nut, the valve gap lower extreme then be equipped with the oil cup, the diaphragm is bilayer structure, the diaphragm makes progress the protrusion and forms the hollow valve rod chamber that can supply valve rod lower extreme and lower floor's diaphragm contact with valve rod lower extreme contact part. The utility model discloses a simple structure can be able to bear or endure the uniform temperature to have good corrosion resistance.

However, the rubber-lined diaphragm valve has the problem that the valve sealing performance is reduced because the valve switch is corroded after long-term use; thus, the existing requirements are not met, and a rubber-lined diaphragm valve with high corrosion resistance is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lining is glued diaphragm valve that corrosion resistance is high to solve the current lining of proposing among the above-mentioned background art and glue the diaphragm valve, because valve switch department is corroded under the long-time use, cause the problem that valve seal nature descends.

In order to achieve the above object, the utility model provides a following technical scheme: a rubber-lined diaphragm valve with high corrosion resistance comprises a diaphragm valve cabin, wherein valve pipes are arranged at two ends of the diaphragm valve cabin, the valve pipes and the diaphragm valve cabin are integrally formed, a valve inner shell is arranged at the upper end of the diaphragm valve cabin, the valve inner shell and the valve pipes are integrally formed, a locking rod is arranged above the inner portion of the valve inner shell, the outer shell of the locking rod is fixedly connected with a clamping groove of the valve inner shell, the locking rod is connected with a shell rotating shaft of the locking rod, a sealing ring is arranged above the valve inner shell and is connected with the valve inner shell in an embedded mode, a sealing ring is arranged between the valve inner shell and the sealing ring and is connected with the valve inner shell in an embedded mode, sealing ring reinforcing plates are arranged on the periphery of the sealing ring and are integrally formed with the sealing ring, an internal thread sleeve is arranged at the lower end face of the outer shell of the locking rod, and is welded with the lower end face of the outer shell of the locking rod, the lower extreme of check lock pole is provided with flexible threaded rod, the inside draw-in groove sliding connection of flexible threaded rod and check lock pole, and the outer wall of flexible threaded rod is connected with the inner wall screw thread transmission of internal thread cover, the lower extreme of flexible threaded rod is provided with sealed head, and sealed head and flexible threaded rod fixed connection, the lower extreme of sealed head is provided with corrosion-resistant lining rubber diaphragm, corrosion-resistant lining rubber diaphragm's below is provided with bi-pass valve cover, and bi-pass valve cover sets up with the inside integrated into one piece in diaphragm valve storehouse, and corrosion-resistant lining rubber diaphragm and bi-pass valve cover piston sealing connection.

Preferably, the corrosion-resistant rubber-lined diaphragm is internally provided with a cross waterproof plate, and the cross waterproof plate is connected with the sealing head in a welding mode.

Preferably, a corrosion-resistant coating is arranged between the cross waterproof plate and the corrosion-resistant rubber-lined diaphragm.

Preferably, a corrosion-resistant sealing ring is arranged on the periphery of the outer side of the corrosion-resistant rubber-lined diaphragm, and the corrosion-resistant sealing ring and the corrosion-resistant rubber-lined diaphragm are integrally formed.

Preferably, all be provided with sealing bolt around the upper end of sealing ring, and sealing bolt and sealing ring, valve inner shell, sealing washer bolt locking set up.

Preferably, every the upper and lower both ends of sealing washer gusset plate all are provided with the elasticity clamping piece, and elasticity clamping piece sets up with sealing washer gusset plate integrated into one piece, and the elasticity clamping piece sets up sealing ring, valve inner shell centre gripping.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model realizes the lifting adjustment of the sealing head by arranging the locking rod and rotating the locking rod, wherein the locking rod drives the telescopic threaded rod to rotate, the outer wall of the telescopic threaded rod is in threaded transmission connection with the inner wall of the inner threaded sleeve, so the rotation of the telescopic threaded rod can lead the telescopic threaded rod to move up and down, the bi-pass valve sleeve is a corrosion-resistant sealing shell with water through holes at both sides, the descending of the sealing head leads the corrosion-resistant rubber lining diaphragm to be combined with the bi-pass valve sleeve to complete the sealing at both ends of the bi-pass valve sleeve, thereby the valve pipes at both sides of the diaphragm valve chamber are opened and closed, the sealing ring greatly improves the sealing performance among the valve inner shell, the sealing ring and the locking rod shell, the sealing ring reinforcing plate reinforces the sealing ring, the valve inner shell and the sealing ring, the sealing performance of the sealing ring under the vibration environment is greatly improved, the corrosion resistance strength of the joint is further improved, corrosive gas is prevented from invading the internal structure, and the service life of the device is prolonged.

2. Through sealed head, corrosion-resistant sealing washer, corrosion-resistant rubber-lined diaphragm, bi-pass valve cover, the cross waterproof board, the setting of corrosion-resistant coating, use down for a long time when the device, corrosion-resistant rubber-lined diaphragm is corroded the back, can expose the cross waterproof board of electroplating corrosion-resistant coating, the cross waterproof board is cylindrical cross stopper, even if corrosion-resistant rubber-lined diaphragm is corroded and disappears, the cross waterproof board also can block bi-pass valve cover both sides sealedly, reduce corrosion-resistant rubber-lined diaphragm and influenced the sealing performance of device global switch after being corroded, the life of device has greatly been improved, current rubber-lined diaphragm valve has been solved, because valve switch department is corroded under the long-time use, cause the problem that valve sealing nature descends.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a partial enlarged view of the point A of the present invention;

FIG. 4 is a schematic view of the inner structure of the corrosion-resistant rubber-lined diaphragm of the present invention;

in the figure: 1. a diaphragm valve chamber; 2. a valve tube; 3. a valve inner housing; 4. a seal ring; 5. a seal ring; 6. a seal ring reinforcing plate; 7. an elastic clip; 8. a seal bolt; 9. a locking lever; 10. an internal thread sleeve; 11. a telescopic threaded rod; 12. a sealing head; 13. a corrosion-resistant seal ring; 14. a corrosion-resistant rubber-lined diaphragm; 15. a two-way valve sleeve; 16. a cross waterproof board; 17. a corrosion-resistant coating.

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.

Referring to fig. 1-4, the present invention provides an embodiment: a rubber-lined diaphragm valve with high corrosion resistance comprises a diaphragm valve cabin 1, wherein valve pipes 2 are arranged at two ends of the diaphragm valve cabin 1, the valve pipes 2 and the diaphragm valve cabin 1 are integrally formed, a valve inner shell 3 is arranged at the upper end of the diaphragm valve cabin 1, the valve inner shell 3 and the valve pipes 2 are integrally formed, a locking rod 9 is arranged above the inner part of the valve inner shell 3, the outer shell of the locking rod 9 is fixedly connected with a clamping groove of the valve inner shell 3, the locking rod 9 is connected with the outer shell of the locking rod 9 in a rotating shaft mode, a sealing ring 4 is arranged above the valve inner shell 3, the sealing ring 4 is connected with the valve inner shell 3 in a nested mode, a sealing ring 5 is arranged between the valve inner shell 3 and the sealing ring 4, the sealing ring 5 is connected with the valve inner shell 3 in a nested mode, a sealing ring reinforcing plate 6 is arranged on the periphery of the sealing ring 5, the sealing ring reinforcing plate 6 and the sealing ring 5 are integrally formed, an inner thread sleeve 10 is arranged at the lower end of the outer shell of the locking rod 9, and terminal surface welded connection under the shell of internal thread cover 10 and check lock 9, the lower extreme of check lock 9 is provided with flexible threaded rod 11, flexible threaded rod 11 and the inside draw-in groove sliding connection of check lock 9, and the outer wall of flexible threaded rod 11 is connected with the inner wall screw thread transmission of internal thread cover 10, the lower extreme of flexible threaded rod 11 is provided with sealed head 12, and sealed head 12 and flexible threaded rod 11 fixed connection, the lower extreme of sealed head 12 is provided with corrosion-resistant lining rubber diaphragm 14, the below of corrosion-resistant lining rubber diaphragm 14 is provided with bi-pass valve cover 15, bi-pass valve cover 15 sets up with the inside integrated into one piece of diaphragm valve storehouse 1, and corrosion-resistant lining rubber diaphragm 14 and bi-pass valve cover 15 piston sealing connection.

Further, the inside of corrosion-resistant rubber-lined diaphragm 14 is provided with cross waterproof board 16, and cross waterproof board 16 and sealed head 12 welded connection, even if corrosion-resistant rubber-lined diaphragm 14 is corroded and disappears, cross waterproof board 16 also can block 15 both sides of two-way valve door pocket sealed, reduce corrosion-resistant rubber-lined diaphragm 14 and be corroded the back and influence the sealing performance of device whole switch, the life of device has greatly been improved, current rubber-lined diaphragm valve has been solved, because valve switch department is corroded under the long-time use, cause the problem that valve leakproofness descends.

Further, a corrosion-resistant coating 17 is arranged between the cross waterproof board 16 and the corrosion-resistant rubber lining diaphragm 14, and the corrosion-resistant coating 17 improves the surface corrosion resistance of the cross waterproof board 16.

Further, a corrosion-resistant sealing ring 13 is arranged on the periphery of the outer side of the corrosion-resistant rubber lining diaphragm 14, the corrosion-resistant sealing ring 13 and the corrosion-resistant rubber lining diaphragm 14 are integrally formed, the corrosion-resistant sealing ring 13 improves the sealing performance of the upper end and the lower end of the corrosion-resistant sealing ring 13, and liquid is prevented from overflowing.

Further, all be provided with sealing bolt 8 around the upper end of sealing ring 4, and sealing bolt 8 and sealing ring 4, valve inner shell 3, the setting of 5 bolt locking of sealing washer, sealing bolt 8 improves the leakproofness between sealing ring 4 and valve inner shell 3, the sealing washer 5.

Further, every sealing washer gusset plate 6's upper and lower both ends all are provided with elasticity clamping piece 7, elasticity clamping piece 7 sets up with 6 integrated into one piece of sealing washer gusset plate, and elasticity clamping piece 7 is with sealing ring 4, 3 centre gripping settings of valve inner shell, sealing washer gusset plate 6 is with sealing washer 5 and valve inner shell 3, sealing ring 4 consolidates the processing, the leakproofness of sealing washer 5 under the vibrations environment has greatly been improved, the corrosion resistance of this junction has further been improved, reduce corrosive gas and invade inner structure, the service life of device is improved.

The working principle is as follows: when in use, the locking rod 9 is rotated, the locking rod 9 drives the telescopic threaded rod 11 to rotate, because the outer wall of the telescopic threaded rod 11 is in threaded transmission connection with the inner wall of the inner threaded sleeve 10, the telescopic threaded rod 11 can be moved up and down by the rotation of the telescopic threaded rod 11, thereby realizing the lifting adjustment of the sealing head 12, the two-way valve sleeve 15 is a corrosion-resistant sealing shell with water through holes on two sides, the descending of the sealing head 12 enables the corrosion-resistant rubber lining diaphragm 14 to be combined with the two-way valve sleeve 15 to complete the sealing on two ends of the two-way valve sleeve 15, thereby realizing the opening and closing of the valve pipes 2 on two sides of the diaphragm valve cabin 1, the sealing performance among the valve inner shell 3, the sealing ring 4 and the locking rod 9 shell is greatly improved by the sealing ring 5, the sealing ring inner shell 3 and the sealing ring 4 are reinforced by the sealing ring reinforcing plate 6, and the sealing performance of the sealing ring 5 under the vibration environment is greatly improved, further improved the corrosion resisting strength of this junction, reduce corrosive gas and invade inner structure, the life of device has been improved, use down for a long time when the device, corrosion-resistant lining rubber diaphragm 14 is corroded the back, can expose the cross waterproof board 16 of electroplating corrosion-resistant coating 17, cross waterproof board 16 is cylindrical cross stopper, even if corrosion-resistant lining rubber diaphragm 14 is corroded and disappears, cross waterproof board 16 also can block 15 both sides of bi-pass valve door pocket and seal, reduce corrosion-resistant lining rubber diaphragm 14 and corroded the back and to the sealing performance influence of device global switch, the life of device has greatly been improved, current lining rubber diaphragm valve has been solved, because valve switch department is corroded under the long-time use, cause the problem that the valve seal nature descends.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a high lining of corrosion resistance is glued diaphragm valve, includes diaphragm valve storehouse (1), its characterized in that: the diaphragm valve cabin is characterized in that valve pipes (2) are arranged at two ends of the diaphragm valve cabin (1), the valve pipes (2) and the diaphragm valve cabin (1) are integrally formed, a valve inner shell (3) is arranged at the upper end of the diaphragm valve cabin (1), the valve inner shell (3) and the valve pipes (2) are integrally formed, a locking rod (9) is arranged above the inner portion of the valve inner shell (3), an outer shell of the locking rod (9) is fixedly connected with a clamping groove of the valve inner shell (3), the locking rod (9) is connected with an outer shell rotating shaft of the locking rod (9), a sealing ring (4) is arranged above the valve inner shell (3), the sealing ring (4) is connected with the valve inner shell (3) in an embedded mode, a sealing ring (5) is arranged between the valve inner shell (3) and the sealing ring (4), the sealing ring (5) is connected with the valve inner shell (3) in an embedded mode, and sealing ring reinforcing plates (6) are arranged on the periphery of the sealing ring (5), and the seal ring reinforcing plate (6) and the seal ring (5) are arranged in an integrated manner, the lower end of the shell of the locking rod (9) is provided with an internal thread sleeve (10), the internal thread sleeve (10) is connected with the lower end face of the shell of the locking rod (9) in a welding manner, the lower end of the locking rod (9) is provided with a telescopic threaded rod (11), the telescopic threaded rod (11) is connected with the internal clamping groove of the locking rod (9) in a sliding manner, the outer wall of the telescopic threaded rod (11) is in threaded transmission connection with the inner wall of the internal thread sleeve (10), the lower end of the telescopic threaded rod (11) is provided with a sealing head (12), the sealing head (12) is fixedly connected with the telescopic threaded rod (11), the lower end of the sealing head (12) is provided with a corrosion-resistant rubber-lined diaphragm (14), a two-way valve sleeve (15) is arranged below the corrosion-resistant rubber-lined diaphragm (14), and the two-way valve sleeve (15) and the internal integrated manner of the diaphragm valve chamber (1) are arranged in an integrated manner, and the corrosion-resistant rubber-lined diaphragm (14) is connected with a two-way valve sleeve (15) in a piston sealing way.

2. The high corrosion resistance rubber-lined diaphragm valve of claim 1, wherein: the corrosion-resistant rubber-lined diaphragm (14) is internally provided with a cross waterproof plate (16), and the cross waterproof plate (16) is connected with the sealing head (12) in a welding manner.

3. The high corrosion resistance rubber-lined diaphragm valve of claim 2, wherein: and a corrosion-resistant coating (17) is arranged between the cross waterproof plate (16) and the corrosion-resistant rubber lining diaphragm (14).

4. The high corrosion resistance rubber-lined diaphragm valve of claim 1, wherein: and a corrosion-resistant sealing ring (13) is arranged on the periphery of the outer side of the corrosion-resistant rubber-lined diaphragm (14), and the corrosion-resistant sealing ring (13) and the corrosion-resistant rubber-lined diaphragm (14) are integrally formed.

5. The high corrosion resistance rubber-lined diaphragm valve of claim 1, wherein: all be provided with sealing bolt (8) around the upper end of sealing ring (4), and sealing bolt (8) and sealing ring (4), valve inner shell (3), sealing washer (5) bolt locking set up.

6. The high corrosion resistance rubber-lined diaphragm valve of claim 1, wherein: every the upper and lower both ends of sealing washer gusset plate (6) all are provided with elasticity clamping piece (7), and elasticity clamping piece (7) set up with sealing washer gusset plate (6) integrated into one piece, and elasticity clamping piece (7) set up sealing ring (4), valve inner shell (3) centre gripping.