CN217029956U

CN217029956U - High side regulating valve capable of preventing erosion

Info

Publication number: CN217029956U
Application number: CN202220167260.8U
Authority: CN
Inventors: 许华明; 周斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-07-22
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a high-side regulating valve capable of preventing erosion, which comprises a valve body and a valve seat ring arranged in the valve body, wherein a valve cage is movably arranged in the valve body relative to the top of the valve seat ring, a valve core is arranged at the top end of the inner side of the valve cage, a guide sleeve positioned outside the valve core is arranged at the top of the valve cage, a valve cover is arranged at the top of the valve body, a valve rod is arranged at the top of the valve cover, a connector is arranged at the top end of the valve rod, the bottom end of the valve rod penetrates through the inner side of the valve body to be connected with the valve core, and an integrated inclined sealing bulge is arranged on the surface of the bottom end of the valve core; through setting up sealed face reverse inclined plane inwards sealed, can avoid sealed face to be eroded by steam when high other governing valve is opened to improve holistic life, and through the dismouting structure that sets up, make the connector easily pull down and change, the drive arrangement type that on the one hand can connect as required carries out the adjustment change that corresponds to the connector.

Description

High side regulating valve capable of preventing erosion

Technical Field

The utility model belongs to the technical field of high-side regulating valves, and particularly relates to a high-side regulating valve capable of preventing erosion.

Background

The high-side regulating valve is a regulating valve installed in a steam pipeline and mainly comprises a valve seat ring, a valve body, a valve core, a valve cover, a valve rod and the like, wherein the valve rod drives the valve core to move inside the valve body under the action of an external driving device, so that the valve core and the valve seat ring are opened and closed, and the effect of opening and closing the valve is achieved.

When the existing high-side regulating valve is used, because the sealing surfaces of the valve core and the valve seat ring are exposed outside, the valve core and the valve seat ring are easily damaged by erosion of steam, and meanwhile, because the connector at the top end of the valve rod cannot be independently dismounted for replacement, when a subsequent valve rod is connected with an external driving device, the corresponding connector cannot be replaced according to different types of driving devices, and the subsequent connector cannot be dismounted for replacement after being damaged, so that the defects exist, and the utility model provides the high-side regulating valve capable of preventing erosion.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a high side regulating valve which prevents erosion, so as to solve the problems of the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a prevent other governing valve of height that is eroded, includes the valve body and installs the inside valve seat ring at the valve body, the inside of valve body is provided with the valve cage for the top activity of valve seat ring, just the inboard top of valve cage is provided with the case, the top of valve cage is provided with the uide bushing that is in the case outside, the valve gap is installed at the top of valve body, and the top of valve gap is provided with the valve rod, the connector is installed at the top of valve rod, the bottom of valve rod is run through to the inboard of valve body and is connected with the case, the bottom surface of case is equipped with the inclined plane of integral type and seals protrudingly, the top surface of valve seat ring has seted up the seal groove, be equipped with the dismouting structure between valve rod and the connector, the dismouting structure includes inserted block, connecting pin and overcoat, the bottom surface mounting of connector has the inserted block, the top surface of valve rod has seted up the slot, the inserted block inserts to the slot in, the jack has all been seted up on the both sides surface of valve rod, run through on the inserted block and be provided with the connecting pin, and the both ends of connecting pin are in two jacks respectively, overcoat movable sleeve establishes on the surface of valve rod, and is equipped with connection structure between overcoat and the valve rod.

Preferably, the connecting structure comprises an inner groove formed in the top end of the valve rod, a spring and an inner sliding block are arranged inside the inner groove, side connecting blocks are fixed on the surfaces of the two sides of the inner sliding block, side grooves are formed in the surfaces of the two sides of the valve rod, the side connecting blocks are located in the side grooves, and the end portions of the side connecting blocks are fixed to the inner wall of the outer sleeve.

Preferably, the top surface symmetry of interior slider is fixed with two spacing inserted bars, and the both ends surface of connecting pin has all seted up the perforation, the top of spacing inserted bar runs through to in the perforation.

Preferably, the bottom surface of the side connecting block is fixed with a movable barrier strip, the inner wall of the bottom end of the side groove is provided with a barrier strip groove, and the bottom end of the movable barrier strip is embedded into the barrier strip groove.

Preferably, a circular groove is formed in the bottom surface of the inner sliding block, and the top end of the spring is installed inside the circular groove.

Preferably, the top surface of valve rod installs the base pad for the top embedding of two jacks, and the surface of base pad is equipped with the annular seal of integral type, the ring channel has been seted up to the top inner wall of overcoat, and annular seal is in the ring channel.

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

1. through setting up sealed face reverse inclined plane inwards sealed, can be when high other governing valve is opened, avoid sealed face to be eroded by steam to improve holistic life, and through the dismouting structure that sets up, make the connector easily pull down and change, the drive arrangement type that can connect as required on the one hand carries out the adjustment change that corresponds to the connector, on the other hand, can change after making the follow-up damage of connector, has solved the not removable problem of connector among the former device.

2. Through the movable barrier strip and the side groove that set up, can play good sealed effect to the side groove when daily use, simultaneously through the ring type seal circle and the ring channel that set up, can play good sealed effect to the top of overcoat, avoid external foreign matter to get into the inside of jack and inside groove, guarantee the long-term steady operation of dismouting structure.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a portion of the area A of FIG. 1 according to the present invention;

FIG. 3 is an enlarged view of a portion of the area B of FIG. 1 in accordance with the present invention;

FIG. 4 is an enlarged view of a portion of the utility model in the area C of FIG. 3;

FIG. 5 is an enlarged view of a portion of the area D in FIG. 3 according to the present invention;

in the figure: 1. a valve body; 2. a valve seat ring; 3. a valve core; 4. a valve cover; 5. a valve stem; 6. a connector; 7. the inclined plane seals the projection; 8. a sealing groove; 9. inserting a block; 10. a connecting pin; 11. an inner tank; 12. a spring; 13. an inner slide block; 14. a side connecting block; 15. a limiting inserted rod; 16. a jacket; 17. an annular seal ring; 18. a side groove; 19. a movable barrier strip; 20. and a blocking groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Examples

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a prevent other governing valve of height by erodeing, including valve body 1 and install at the inside disk seat ring 2 of valve body 1, the inside of valve body 1 is provided with the valve cage for the top activity of disk seat ring 2, and the inboard top of valve cage is provided with case 3, the top of valve cage is provided with the uide bushing in the case 3 outside, valve gap 4 is installed at the top of valve body 1, and valve gap 4's top is provided with valve rod 5, connector 6 is installed on valve rod 5's top, the bottom of valve rod 5 runs through to the inboard of valve body 1 and is connected with case 3, make valve rod 5 can drive case 3 realization lift under the drive of external drive device, the bottom surface of case 3 is equipped with the sealed arch 7 of inclined plane of integral type, the sealed face of sealed arch 7 of inclined plane inwards, the top surface of disk seat ring 2 is seted up the seal groove 8 with the sealed arch 7 looks adaptation of inclined plane, through setting the sealed protruding 7 sealed face angle of inclined plane to 29, the inclined plane sealing angle of the sealing groove 8 is set to be 30 degrees, the sealing surface contact area is reduced through the angle difference between the sealing surface of the valve core 3 and the valve seat ring 2, so that the sealing contact surface pressure ratio is increased after the valve is closed, the tightness of the valve is improved, the sealing surface of the valve core 3 is arranged inwards to avoid being eroded by steam, the sealing surface of the valve seat ring 2 is arranged in the sealing groove 8 to also avoid being eroded by steam, the sealing design of the reverse inclined plane ensures that the sealing surfaces of the inclined plane sealing bulge 7 and the sealing groove 8 cannot be eroded by steam, a dismounting structure is arranged between the valve rod 5 and the connector 6, the dismounting structure comprises an insert block 9, a connecting pin 10 and an outer sleeve 16, the bottom surface of the connector 6 is fixed with the insert block 9, the top surface of the valve rod 5 is provided with a slot corresponding to the insert block 9, the insert block 9 is inserted into the slot, and the two side surfaces of the valve rod 5 are provided with jacks corresponding to the connecting pin 10, the insert block 9 is provided with a connecting pin 10 in a penetrating way, and two ends of the connecting pin 10 are respectively positioned in the two jacks, the outer sleeve 16 is movably sleeved on the surface of the valve rod 5, the jack is wrapped inside to limit the connecting pin 10, the connection between the valve rod 5 and the connector 6 is realized, and a connecting structure is arranged between the outer sleeve 16 and the valve rod 5, the connecting structure comprises an inner groove 11 arranged inside the top end of the valve rod 5, a spring 12 and an inner sliding block 13 are arranged inside the inner groove 11, side connecting blocks 14 are fixed on the two side surfaces of the inner sliding block 13, side grooves 18 corresponding to the side connecting blocks 14 are arranged on the two side surfaces of the valve rod 5, the side connecting blocks 14 are positioned in the side grooves 18, and the end of the side connecting block 14 is fixed with the inner wall of the outer sleeve 16, so that the outer sleeve 16 can be shifted up and down, and when the operator stops applying the external force to the outer sleeve 16, the outer sleeve 16 moves up to be reset under the action of the spring 12.

In this embodiment, preferably, two limiting insertion rods 15 are symmetrically fixed on the top surface of the inner sliding block 13, through holes corresponding to the limiting insertion rods 15 are formed in the two end surfaces of the connecting pin 10, and the top ends of the limiting insertion rods 15 penetrate through the through holes to further limit the connecting pin 10.

In this embodiment, preferably, a movable barrier 19 is fixed on the bottom surface of the side connecting block 14, a barrier groove 20 corresponding to the movable barrier 19 is formed in the inner wall of the bottom end of the side groove 18, and the bottom end of the movable barrier 19 is embedded into the barrier groove 20, so as to block the side groove 18 and prevent external foreign matters from entering the inner groove 11.

In this embodiment, preferably, a circular groove is formed on the bottom surface of the inner slider 13, and the top end of the spring 12 is installed inside the circular groove for stably installing the spring 12.

In this embodiment, preferably, the top surface of the valve rod 5 is embedded with a base gasket above the two insertion holes, the surface of the base gasket is provided with an integrated annular sealing ring 17, the base gasket and the annular sealing ring 17 are made of fluororubber, an annular groove corresponding to the annular sealing ring 17 is formed in the inner wall of the top end of the outer sleeve 16, and the annular sealing ring 17 is located in the annular groove, so that a good sealing effect can be achieved on the top end of the outer sleeve 16, and external foreign matters are prevented from entering the inside of the insertion holes.

The working principle and the using process of the utility model are as follows: when the high-side regulating valve is used, the valve rod 5 needs to be connected with an external driving device through the connector 6, for example, common driving devices such as an air cylinder or an oil cylinder and the like, so that the valve rod 5 can drive the valve core 3 to move up and down under the action of the external driving device, and the high-side regulating valve is opened and closed, when the high-side regulating valve is opened, the valve core 3 can move up to the top of the valve seat ring 2, at the moment, the sealing surface of the inclined surface sealing bulge 7 faces inwards, the sealing surface of the sealing groove 8 is positioned on the inner side of the valve seat ring 2 and is shielded by the top end of the valve seat ring 2, the sealing surfaces of the valve core 3 and the valve seat ring 2 can be prevented from being eroded by steam due to the reverse inclined surface sealing design, and the problem that the sealing surface in the original device is easily eroded by steam is solved; when the connector 6 needs to be removed for replacement subsequently, the outer sleeve 16 is pulled down to cause the annular sealing ring 17 to move out of the annular groove, the outer sleeve 16 drives the inner sliding block 13 to move downwards through the side connecting block 14, the spring 12 is gradually compressed, the top end of the limiting insertion rod 15 moves out of the through hole until the outer sleeve 16 moves downwards to the position below the insertion hole, the connecting pin 10 can be pushed out through the insertion hole at the moment, the connector 6 can be moved upwards without limiting of the connecting pin 10, the insertion block 9 is pulled out of the insertion hole, the connector 6 and the valve rod 5 are separated, and therefore the connector 6 is replaced correspondingly, when the connector 6 needs to be installed back subsequently, the insertion block 9 is inserted into the insertion hole, the outer sleeve 16 is pushed downwards, the connecting pin 10 is inserted into the insertion hole, the connecting pin 10 can penetrate through the insertion block 9, and the two ends of the connecting pin 10 are respectively positioned in the insertion holes on the surfaces on the two sides of the valve rod 5, then the outer sleeve 16 is loosened, the spring 12 pushes the inner sliding block 13 back, the inner sliding block 13 drives the outer sleeve 16 to move upwards through the side connecting block 14 until the top end of the limiting insertion rod 15 is inserted into the through hole to limit the connecting pin 10, and the outer sleeve 16 wraps the two insertion holes on the inner side, so that the quick connection between the connecting head 6 and the valve rod 5 can be realized, and the problem that the connecting head 6 in the original device is not convenient to replace is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent other governing valve of height by erosion, includes valve body (1) and installs at valve seat ring (2) of valve body (1) inside, the inside of valve body (1) is provided with the valve cage for the top activity of valve seat ring (2), just the inboard top of valve cage is provided with case (3), the top of valve cage is provided with the uide bushing in case (3) outside, valve gap (4) are installed at the top of valve body (1), and the top of valve gap (4) is provided with valve rod (5), connector (6) are installed on the top of valve rod (5), the bottom of valve rod (5) runs through to the inboard of valve body (1) and is connected its characterized in that with case (3): the bottom end surface of the valve core (3) is provided with an integrated bevel sealing bulge (7), a sealing groove (8) is arranged on the top end surface of the valve seat ring (2), a dismounting structure is arranged between the valve rod (5) and the connector (6), the dismounting structure comprises an insert block (9), a connecting pin (10) and an outer sleeve (16), an insert block (9) is fixed on the bottom surface of the connector (6), a slot is formed on the top surface of the valve rod (5), the insert block (9) is inserted into the slot, the surfaces of the two sides of the valve rod (5) are both provided with jacks, the insert block (9) is provided with a connecting pin (10) in a penetrating way, and the two ends of the connecting pin (10) are respectively arranged in the two jacks, the outer sleeve (16) is movably sleeved on the surface of the valve rod (5), and a connecting structure is arranged between the outer sleeve (16) and the valve rod (5).

2. The high side regulating valve for preventing erosion as set forth in claim 1, wherein: the connecting structure comprises an inner groove (11) formed in the top end of the valve rod (5), a spring (12) and an inner sliding block (13) are arranged inside the inner groove (11), side connecting blocks (14) are fixed on the surfaces of the two sides of the inner sliding block (13), side grooves (18) are formed in the surfaces of the two sides of the valve rod (5), the side connecting blocks (14) are located in the side grooves (18), and the end portions of the side connecting blocks (14) are fixed to the inner wall of the outer sleeve (16).

3. The high side regulating valve for preventing erosion as set forth in claim 2, wherein: the top surface symmetry of interior slider (13) is fixed with two spacing inserted bars (15), and the both ends surface of connecting pin (10) has all seted up the perforation, the top of spacing inserted bar (15) is run through to the perforation in.

4. The high side regulating valve for preventing erosion as set forth in claim 2, wherein: the bottom surface of the side connecting block (14) is fixed with a movable barrier strip (19), the inner wall of the bottom end of the side groove (18) is provided with a barrier strip groove (20), and the bottom end of the movable barrier strip (19) is embedded into the barrier strip groove (20).

5. The high side regulating valve for preventing erosion as set forth in claim 2, wherein: a circular groove is formed in the bottom surface of the inner sliding block (13), and the top end of the spring (12) is installed inside the circular groove.

6. The high side regulating valve for preventing erosion as set forth in claim 1, wherein: the top surface of valve rod (5) installs the base pad for the top embedding of two jacks, and the surface of base pad is equipped with the ring packing (17) of integral type, the ring channel has been seted up to the top inner wall of overcoat (16), and ring packing (17) are in the ring channel.