CN210034494U

CN210034494U - High-performance anti-corrosion ball valve

Info

Publication number: CN210034494U
Application number: CN201920440399.3U
Authority: CN
Inventors: 李海峰; 童兴林
Original assignee: Wenzhou Jiangchen Valve Co Ltd
Current assignee: Zhejiang Jiangchen Valve Co., Ltd
Priority date: 2019-04-02
Filing date: 2019-04-02
Publication date: 2020-02-07
Anticipated expiration: 2029-04-02

Abstract

The utility model discloses a high performance anticorrosion ball valve, including the main valve body, the auxiliary valve body, the valve gap, the installation cavity, the influent stream way, go out the runner, valve rod and spheroid, the influent stream way all is equipped with the ladder groove towards spheroidal one end, the runner all is equipped with the disk seat towards spheroidal one end, the ladder inslot all is equipped with the anticorrosive coating, all be equipped with the anticorrosive coating in the influent stream way wall and the runner wall, be connected with first locking piece between anticorrosive coating and the disk seat, the connection terminal surface of the main valve body, the connection terminal surface of auxiliary valve body all is equipped with the anticorrosion ring that offsets with the anticorrosive coating terminal surface, the anticorrosion ring offsets and has set firmly the sealing ring in the position of anticorrosive coating, the anticorrosion layer terminal surface is equipped with the seal groove corresponding to the position of sealing ring, be equipped with the second locking piece between anticorrosion ring and. The utility model has the advantages of it is following and effect: the utility model discloses the ability of anticorrosiving that changes the valve that can be nimble to make the production that the valve manufacture factory can be nimble, reduce cost is extravagant.

Description

High-performance anti-corrosion ball valve

Technical Field

The utility model relates to a valve, in particular to anticorrosive ball valve of high performance.

Background

The anticorrosion valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, stopping, regulation, throttling, non-return, diversion or overflow and the like. The valve can be used for controlling the flow of various types of fluids such as water, steam, oil products, gas, mud, various corrosive media, liquid metal, radioactive fluid and the like.

In the valve in the prior art, the anti-corrosion layer is fixedly arranged on the flow channel wall in a secondary processing mode, so that the valve is endowed with an anti-corrosion function, and the valve can be applied to the chemical field and used for controlling corrosive fluid media. Because different anticorrosive materials have different anticorrosive capacities for different corrosion media, in order to enable the valve to have longer service life on the basis of having an anticorrosive function, the existing valve manufacturers can change the materials of the anticorrosive layer according to different corrosion media to carry out targeted anticorrosive operation, so that the valve can achieve the optimal anticorrosive effect. Because the anti-corrosion layer and the valve body of the existing valve are fixedly connected, a valve manufacturer cannot flexibly change the anti-corrosion capability of the valve according to the requirements of customers, and when the quantity of the customers changes or the customers temporarily add the valves with different anti-corrosion capabilities, the valve manufacturer often has the phenomenon of insufficient supply or production of redundant quantity of valves, thereby causing the waste in production cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high performance anticorrosion ball valve, this high performance anticorrosion ball valve can be nimble change valve's anticorrosion ability to make the production that valve manufacture factory can be nimble, reduce cost is extravagant.

The above technical purpose of the present invention can be achieved by the following technical solutions: a high-performance anti-corrosion ball valve comprises a main valve body, an auxiliary valve body and a valve cover, wherein the auxiliary valve body and the valve cover are installed on the main valve body, the main valve body is connected with the auxiliary valve body through bolts and nuts, an inflow channel of an installation cavity and a communication installation cavity is arranged in the main valve body, an outflow channel of the communication installation cavity is arranged on the auxiliary valve body, a valve rod extending into the installation cavity is installed on the valve cover, one end, located inside the installation cavity, of the valve rod is provided with a ball body, the free end of the valve rod is provided with a handle, the inflow channel faces one end of the ball body and the outflow channel faces one end of the ball body, the outflow channel faces one end of the ball body and the other end of the ball body are provided with a stepped groove, a valve seat sealed by matching with the ball body is arranged in the stepped groove, an anti-corrosion layer is arranged in the inflow channel wall and, the connection terminal surface of the main valve body, the connection terminal surface of vice valve body all are equipped with the anticorrosion ring that offsets with the anticorrosion layer terminal surface, the anticorrosion ring offsets the position on anticorrosion layer and has set firmly the sealing ring, the anticorrosion layer terminal surface is equipped with the seal groove corresponding to the position of sealing ring, is located all be equipped with between the anticorrosion ring on the vice valve body and the vice valve body, be located between the anticorrosion ring on the main valve body and realize the sealed second locking piece of seal groove and sealing ring tight fit.

By adopting the technical scheme, the main valve body and the auxiliary valve body can be separated by means of bolt-nut connection, the valve seat and the anti-corrosion layer can be fixed by the first locking piece, the fixed valve seat and the anti-corrosion layer are installed in the inflow channel and the outflow channel, and the valve seat is fixed at the step groove. The anti-corrosion layer is axially limited by the matching of the stepped groove and the anti-corrosion ring, so that the anti-corrosion layer is stably installed; and form the counterbalance through first locking piece locking disk seat and anticorrosive layer and seal, in addition the cooperation between seal groove and the sealing ring realizes the seal between anticorrosive layer and the anticorrosive ring for this kind of setting can form better parcel to the inside of main valve body and the inside of vice valve body, makes this valve have better corrosion protection ability and has prolonged its life. The anti-corrosion layer and the anti-corrosion ring can be replaced by disassembling the main valve body, the auxiliary valve body and the first locking piece, so that the anti-corrosion capability of the valve is changed, a valve manufacturer can flexibly produce the valve, and the waste of production cost is reduced.

Further setting the following steps: the periphery wall of disk seat and the lateral wall threaded connection of ladder groove.

Through adopting above-mentioned technical scheme, threaded connection's mode can carry out better location to the anticorrosive coating fixed with the disk seat, and has increased the leakproofness between disk seat and the main valve body, has prolonged the life of valve.

Further setting the following steps: the anti-corrosion layer is provided with a pressure relief ring groove towards one end face of the anti-corrosion ring and at a position, close to the circle center of the anti-corrosion ring, of the sealing groove.

By adopting the technical scheme, the pressure relief ring groove is arranged to perform the pressure relief function on the pressure of the medium entering between the anti-corrosion layer and the anti-corrosion ring, so that the impact force of the medium is reduced; the anti-corrosion layer and the anti-corrosion ring are positioned between the anti-corrosion layer and the anti-corrosion ring at the position of the pressure relief ring groove and the sealing groove in an abutting sealing mode, and a better sealing effect can be achieved.

Further setting the following steps: when the valve seat is tightly abutted against the anti-corrosion layer, a sealing ring pressed and held by the valve seat and the anti-corrosion layer is arranged between the valve seat and the anti-corrosion layer.

By adopting the technical scheme, the sealing effect between the valve seat and the anti-corrosion layer is improved by the sealing ring, and the contact probability of the medium and the sealing ring is reduced and the service life of the sealing ring is prolonged by the abutting mode between the valve seat and the anti-corrosion layer.

Further setting the following steps: the sphere is sealed against the anti-corrosion layer.

By adopting the technical scheme, the ball body and the anti-corrosion layer are sealed in a propping manner, and then the ball body and the valve seat are matched for sealing, so that the double-sealing effect is achieved, and the valve can achieve a better sealing effect; and the possibility of medium entering between the valve seat and the anti-corrosion layer can be further reduced by the arrangement mode.

Further setting the following steps: the sealing packing is arranged between the valve cover and the valve rod and is composed of a plurality of layers of packing sealing rings, V-shaped slots are formed in the upper end faces of the packing sealing rings, V-shaped inserting blocks inserted into the V-shaped slots are fixedly arranged on the lower end faces of the packing sealing rings, and the V-shaped slots and the V-shaped inserting blocks are annular.

Through adopting above-mentioned technical scheme, V font inserted block is inserted and is established into V font slot for the packing sealing ring can change the conduction direction of power through the shape of V font when the effort is held to the pressurized, makes the packing sealing ring can be better towards two perisporium directions and takes place deformation, thereby better support tightly in valve gap and valve rod, realizes better sealed to valve gap and valve rod both.

Further setting the following steps: the bottom of installation cavity is inlayed and is equipped with the thrust bearing who contradicts in spheroid bottom, thrust bearing sets firmly to inlay and establishes into spheroidal locating lever, the locating lever sets up with the valve rod is coaxial.

Through adopting above-mentioned technical scheme, thrust bearing's setting realizes better support to the spheroid, and can not increase spheroidal rotation resistance to through the setting of locating lever stablize spheroidal position, thereby promote valve overall structure's stability.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses the ability of anticorrosiving that changes the valve that can be nimble to make the production that the valve manufacture factory can be nimble, reduce cost is extravagant.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is an enlarged view of the portion C in fig. 1.

In the figure: 1. a main valve body; 2. a sub-valve body; 3. a valve cover; 4. a mounting cavity; 5. a flow inlet channel; 6. discharging the flow channel; 7. a valve stem; 8. a sphere; 9. a handle; 10. a stepped groove; 11. a valve seat; 12. an anti-corrosion layer; 13. a first locking member; 14. an anti-corrosion ring; 15. a seal ring; 16. a sealing groove; 17. a second locking member; 18. a pressure relief ring groove; 19. a seal ring; 20. a packing seal ring; 21. a V-shaped slot; 22. v-shaped inserting blocks; 23. a thrust bearing; 24. and (5) positioning the rod.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 4, a high-performance anti-corrosion ball valve includes a main valve body 1 and an auxiliary valve body 2, the main valve body 1 and the auxiliary valve body 2 are fixed by bolts and nuts, and a valve cover 3 is fixedly disposed on the main valve body 1. An installation cavity 4 and a flow inlet channel 5 communicated with the installation cavity 4 are formed in the main valve body 1, an outflow channel 6 communicated with the installation cavity 4 is formed in the auxiliary valve body 2, and the outflow channel 6 and the flow inlet channel 5 are coaxially arranged. Install the valve rod 7 that extends into installation cavity 4 on the valve gap 3, the one end an organic whole that valve rod 7 is located installation cavity 4 inside is provided with spheroid 8, and the top fixedly connected with handle 9 of valve rod 7 is equipped with the sealing filler between valve gap 3 and the valve rod 7, and the sealing filler comprises multilayer packing ring 20. Stepped groove 10 has all been seted up towards the one end of installation cavity 4, the one end of outflow 6 orientation installation cavity 4 to inflow 5, all is equipped with cooperation spheroid 8 in the stepped groove 10 and realizes sealed disk seat 11, disk seat 11's periphery wall and stepped groove 10's lateral wall threaded connection.

The wall of the inflow channel 5 and the wall of the outflow channel 6 are both provided with an anti-corrosion layer 12, the anti-corrosion layer 12 and the two opposite end faces of the valve seat 11 are arranged in a propping manner, a first locking piece 13 is connected between the anti-corrosion layer 12 and the valve seat 11, the first locking piece 13 is provided with a plurality of first locking pieces 13 around the circle center of the valve seat 11, the first locking pieces 13 are bolts, and the bolts penetrate through the anti-corrosion layer 12 and are in threaded connection with the valve seat 11. A sealing ring 19 is arranged between the anti-corrosion layer 12 and the valve seat 11, when the valve seat 11 is tightly abutted against the anti-corrosion layer 12, the valve seat 11 and the anti-corrosion layer 12 press the sealing ring 19, and the ball 8 is abutted against the anti-corrosion layer 12 to form sealing. The upper end surface of the packing seal ring 20 is provided with a V-shaped slot 21, the lower end surface is provided with a V-shaped insert block 22 inserted into the V-shaped slot 21, and the V-shaped slot 21 and the V-shaped insert block 22 are both in an annular shape surrounding the center of the valve rod 7.

The connecting end face of the main valve body 1 and the connecting end face of the auxiliary valve body 2 are both provided with an anti-corrosion ring 14 which abuts against the end face of the anti-corrosion layer 12, the position of the anti-corrosion ring 14 which abuts against the anti-corrosion layer 12 is integrally provided with a sealing ring 15 which surrounds the circle center of the anti-corrosion ring 14, the position of the end face of the anti-corrosion layer 12, which corresponds to the sealing ring 15, is provided with an annular sealing groove 16 which surrounds the circle center of the anti-corrosion ring 14, a second locking piece 17 which realizes the tight fit and sealing of the sealing groove 16 and the sealing ring 15 is arranged between the anti-corrosion ring 14 which is arranged on the auxiliary valve body 2 and between the anti-corrosion ring 14 which is arranged on the main valve body 1 and the main valve body 1.

An annular pressure relief ring groove 18 surrounding the center of the corrosion prevention ring 14 is formed in one end face, facing the corrosion prevention ring 14, of the corrosion prevention layer 12 and located at a position, close to the center of the corrosion prevention ring 14, of the seal groove 16. The bottom of installation cavity 4 is inlayed and is equipped with the thrust bearing 23 of contradicting in spheroid 8 bottom, sets firmly on the thrust bearing 23 and inlays the locating lever 24 of establishing into spheroid 8, and locating lever 24 and the coaxial setting of valve rod 7. The material of the sphere 8, the corrosion protection ring 14 and the corrosion protection layer 12 can be polyvinylidene fluoride.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a high performance anticorrosion ball valve, includes the main valve body (1) and installs in vice valve body (2) and valve gap (3) of the main valve body (1), be connected through bolt and nut between the main valve body (1) and vice valve body (2), be equipped with influent stream way (5) of installation cavity (4) and intercommunication installation cavity (4) in the main valve body (1), be equipped with outflow way (6) of intercommunication installation cavity (4) on vice valve body (2), install valve rod (7) that extend into installation cavity (4) on valve gap (3), the one end that valve rod (7) are located installation cavity (4) inside is equipped with spheroid (8), the free end of valve rod (7) is equipped with handle (9), its characterized in that: the inlet channel (5) faces one end of the sphere (8), the outlet channel (6) faces one end of the sphere (8) and is provided with a step groove (10), a valve seat (11) matched with the sphere (8) for sealing is arranged in the step groove (10), an anti-corrosion layer (12) is arranged in each of the inlet channel (5) wall and the outlet channel (6) wall, two opposite end faces of the anti-corrosion layer (12) and the valve seat (11) are arranged in a propping mode, a first detachable and fixed locking piece (13) is connected between the anti-corrosion layer (12) and the valve seat (11), an anti-corrosion ring (14) abutted against the end face of the anti-corrosion layer (12) is arranged on the connecting end face of the main valve body (1) and the connecting end face of the auxiliary valve body (2), a sealing ring (15) is arranged on the position of the anti-corrosion layer (12) in a propping mode, and a sealing groove (16) is arranged on the end face of the anti-corrosion layer (12) corresponding to the sealing ring (, and second locking pieces (17) for realizing the tight-fit sealing of the sealing groove (16) and the sealing ring (15) are arranged between the anti-corrosion ring (14) on the auxiliary valve body (2) and between the anti-corrosion ring (14) on the main valve body (1) and the main valve body (1).

2. The high performance anti-corrosion ball valve of claim 1, wherein: the peripheral wall of the valve seat (11) is in threaded connection with the side wall of the stepped groove (10).

3. The high performance anti-corrosion ball valve of claim 1, wherein: the anti-corrosion layer (12) is provided with a pressure relief ring groove (18) towards one end face of the anti-corrosion ring (14) and at a position, close to the circle center of the anti-corrosion ring (14), of the sealing groove (16).

4. The high performance anti-corrosion ball valve of claim 1, wherein: when the valve seat (11) is tightly abutted against the anti-corrosion layer (12), a sealing ring (19) pressed by the valve seat (11) and the anti-corrosion layer (12) is arranged between the valve seat and the anti-corrosion layer.

5. The high performance anti-corrosion ball valve of claim 1, wherein: the ball (8) is sealed against the anti-corrosion layer (12).

6. The high performance anti-corrosion ball valve of claim 1, wherein: be equipped with the sealing filler between valve gap (3) and valve rod (7), the sealing filler comprises multilayer packing sealing ring (20), V font slot (21) have all been seted up to the up end of packing sealing ring (20), lower terminal surface all sets firmly and inserts V font inserted block (22) of establishing into V font slot (21), the shape of V font slot (21) and V font inserted block (22) is the annular.

7. The high performance anti-corrosion ball valve of claim 1, wherein: the bottom of installation cavity (4) is inlayed and is equipped with thrust bearing (23) of contradicting in spheroid (8) bottom, thrust bearing (23) are last to set firmly locating lever (24) of inlaying and establishing spheroid (8), locating lever (24) and valve rod (7) coaxial arrangement.