CN213745131U

CN213745131U - Corrosion-resistant three-purpose valve for mine

Info

Publication number: CN213745131U
Application number: CN202023037084.6U
Authority: CN
Inventors: 扈家中; 胡劲平; 黄宝平
Original assignee: Jiangsu Shuxu Machinery Co ltd
Current assignee: Jiangsu Shuxu Machinery Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-07-20
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a three way valve technical field discloses mining corrosion-resistant three way valve, including the pillar, the outside of pillar is provided with the sealing washer, and the one end rigid coupling of pillar has the upper end seat, the opening has been seted up to the outside of upper end seat, and the outside of upper end seat cup joints and installs the protective cover, the other end of pillar is connected with the lower end seat, the outside threaded connection of lower end seat has the filter cap, the outside of pillar scribbles the anticorrosive coating, the outside of anticorrosive coating scribbles the antirust coat, the outside of antirust coat is provided with the wearing layer. The protective cover is arranged outside the upper end seat, so that an opening formed outside the upper end seat can be effectively protected under the condition that the three-way valve is transported or not used, and dust is prevented from entering to influence the normal use of the three-way valve; the anti-corrosion layer and the anti-rust layer are coated on the outer portion of the support column, so that the anti-corrosion and anti-rusting effects of the three-way valve can be improved, and the service life of the three-way valve is effectively prolonged.

Description

Corrosion-resistant three-purpose valve for mine

Technical Field

The utility model relates to a three way valve technical field specifically is mining corrosion-resistant three way valve.

Background

The three-way valve is used as a core part of the single hydraulic prop and directly influences the service life and the use of the single hydraulic prop, is a key part of the single hydraulic prop and plays the roles of liquid injection lifting column, overload overflow and load relief descending column, and is formed by combining a one-way valve, a pressure relief valve and a safety valve.

However, the corrosion resistance of the existing three-way valve is poor, so that the service life of the three-way valve is shortened, and when the three-way valve is transported and is not used, an opening on the outer part of the three-way valve is not provided with good protection measures, so that dust enters and influences the use of the three-way valve, and meanwhile, when the three-way valve works, impurities can be contained in water flow, so that the use of the three-way valve is influenced. Accordingly, those skilled in the art have provided a corrosion-resistant three-way valve for mining to solve the problems set forth in the background art described above.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mining corrosion-resistant three way valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the mining corrosion-resistant three-purpose valve comprises a supporting column, wherein a sealing ring is arranged outside the supporting column, an upper end seat is fixedly connected to one end of the supporting column, an opening is formed in the outside of the upper end seat, a protective cover is sleeved and mounted on the outside of the upper end seat, the other end of the supporting column is connected with a lower end seat, a filter cover is connected to the outside of the lower end seat in a threaded connection mode, an anticorrosive coating is coated on the outside of the supporting column, an antirust layer is coated on the outside of the anticorrosive coating, and a wear-resistant layer is arranged on the outside of.

As a further aspect of the present invention: the thickness of the anticorrosive layer is the same as that of the antirust layer, the anticorrosive layer is made of an epoxy resin composite material, the antirust layer is a polyurethane coating, and the wear-resistant layer is a ceramic wear-resistant coating.

As a further aspect of the present invention: the outside of protective cover is provided with rotatory line, and the inside of protective cover has seted up the guard groove, the inboard of guard groove is provided with sealed the pad, and installs the erection column on the inside top of guard groove, vacuum chuck has been cup jointed to the outside of erection column.

As a further aspect of the present invention: the erection column uses the guard slot to be provided with four as centre of a circle symmetry in the inside of guard slot, the length of upper end seat is two-thirds of protective cover length, sealed pad is the elastic rubber material.

As a further aspect of the present invention: the filter cover is characterized in that a filter tank is arranged in the filter cover, a filter screen is slidably arranged in the filter tank, slide bars are symmetrically arranged on two sides of the filter screen, slide grooves which slide with the slide bars are symmetrically arranged on two sides of the filter cover, and fastening bolts are arranged on the front surface of the slide bars.

As a further aspect of the present invention: the length of spout is for filtering two-thirds of lid length, the radius of filter screen is less than the radius of lower end seat, the screw has been seted up to the end of spout, fastening bolt's end runs through the inside and the screw threaded connection of slide bar.

As a further aspect of the present invention: the filter tank is characterized in that an internal thread is arranged on one side, close to the filter screen, of the inner side of the filter tank, an external thread is arranged on the outer portion of the lower end seat, the internal thread on the inner side of the filter tank is in threaded connection with the external thread, and the length of the external thread is half of that of the lower end seat.

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

1. the protective cover is arranged outside the upper end seat, so that the opening arranged outside the upper end seat can be effectively protected under the condition that the three-way valve is transported or not used, the dust is prevented from entering and influencing the normal use of the three-way valve, the installation is simple and convenient, and the protective effect is good;

2. the filtering cover is connected with the outer part of the lower end seat in a threaded manner, and the filtering net is slidably mounted in the filtering cover, so that impurities can be effectively filtered through the filtering net, the impurities are prevented from entering the three-way valve to influence the use of the three-way valve, and meanwhile, the filtering net is convenient to mount, dismount and replace;

3. the utilization scribbles anticorrosive coating and antirust coat in the outside of pillar for can increase the corrosion-resistant and the corrosion-resistant effect of three way valve, its life of effectual increase, and be provided with the wearing layer in the outside of antirust coat, thereby the life of effectual improvement pillar.

Drawings

FIG. 1 is a schematic structural diagram of a corrosion-resistant three-way valve for mining;

FIG. 2 is a schematic structural diagram of a protecting cover in the corrosion-resistant three-way valve for mining;

FIG. 3 is a schematic structural diagram of a filter cover in the corrosion-resistant three-way valve for mining;

FIG. 4 is an enlarged view of portion B of FIG. 3;

fig. 5 is an enlarged view of a portion a of fig. 1.

In the figure: 1. a filter cover; 2. a lower end seat; 3. a seal ring; 4. a pillar; 5. an upper end seat; 6. an opening; 7. a protective cover; 8. an anticorrosive layer; 9. a gasket; 10. a protective bath; 11. mounting a column; 12. a vacuum chuck; 13. rotating the pattern; 14. a filter screen; 15. a filter tank; 16. a slide bar; 17. a chute; 18. fastening a bolt; 19. a wear layer; 20. and (7) an anti-rust layer.

Detailed Description

Referring to fig. 1 to 5, in the embodiment of the present invention, a corrosion-resistant three-way valve for mining comprises a pillar 4, a sealing ring 3 is disposed on the outside of the pillar 4, an upper seat 5 is fixedly connected to one end of the pillar 4, an opening 6 is disposed on the outside of the upper seat 5, a protective cover 7 is sleeved on the outside of the upper seat 5, a rotational pattern 13 is disposed on the outside of the protective cover 7, a protective groove 10 is disposed inside the protective cover 7, a sealing gasket 9 is disposed on the inner side of the protective groove 10, a mounting post 11 is mounted on the top end of the inner portion of the protective groove 10, a vacuum chuck 12 is sleeved on the outside of the mounting post 11, the mounting post 11 is symmetrically disposed inside the protective groove 10 with the protective groove 10 as the center of a circle, the length of the upper seat 5 is two thirds of the length of the protective cover 7, the sealing gasket 9 is made of elastic rubber, the present invention is provided with the protective cover 7 on the outside of the upper seat 5, the opening 6 that can set up to the 5 outside of upper end seat carries out effectual protection under the condition that make and transport or not use the three way valve, avoids the entering of dust to influence the normal use of three way valve, and its installation is simple and convenient, and the protecting effect is good.

In fig. 1, 3 and 4: the other end of the pillar 4 is connected with a lower end seat 2, the outer part of the lower end seat 2 is in threaded connection with a filter cover 1, the inner part of the filter cover 1 is provided with a filter groove 15, the inner part of the filter groove 15 is provided with a filter screen 14 in a sliding way, the two sides of the filter screen 14 are symmetrically provided with slide bars 16, the two sides of the filter cover 1 are symmetrically provided with slide grooves 17 sliding with the slide bars 16, the front surface of the slide bars 16 is provided with fastening bolts 18, the length of the slide grooves 17 is two thirds of the length of the filter cover 1, the radius of the filter screen 14 is smaller than that of the lower end seat 2, the tail end of the slide grooves 17 is provided with screw holes, the tail end of the fastening bolts 18 penetrates through the inner part of the slide bars 16 to be in threaded connection with the screw holes, the outer part of the lower end seat 2 is in threaded connection with the filter cover 1, the filter screen 14 is slidably arranged in the inner part of the filter cover 1, thereby effectively filtering impurities through the filter screen 14 and preventing the impurities from entering the three-way to affect the use of the three-way valve, meanwhile, the filter screen 14 is convenient to mount, dismount and replace.

In fig. 1 and 5: the exterior of the pillar 4 is coated with an anticorrosive coating 8, the exterior of the anticorrosive coating 8 is coated with an anticorrosive coating 20, the exterior of the anticorrosive coating 20 is provided with a wear-resistant coating 19, the anticorrosive coating 8 and the anticorrosive coating 20 have the same thickness, the anti-corrosion layer 8 is made of epoxy resin composite material, the anti-corrosion layer 20 is made of polyurethane coating, the wear-resistant layer 19 is made of ceramic wear-resistant coating, one side of the inner side of the filter tank 15, which is close to the filter screen 14, is provided with internal threads, the outer part of the lower end seat 2 is provided with external threads, the internal threads on the inner side of the filter tank 15 are in threaded connection with the external threads, the length of the external threads is half of that of the lower end seat 2, the anti-corrosion layer 8 and the anti-corrosion layer 20 are coated on the outer part of the strut 4, so that the corrosion resistance and the rust resistance of the three-way valve can be improved, the service life of the three-way valve can be effectively prolonged, and the wear-resistant layer 19 is arranged outside the anti-rust layer 20, so that the service life of the support column 4 is effectively prolonged.

The utility model discloses a theory of operation is: the anti-corrosion layer 8 is coated on the outer portion of the strut 4 of the three-way valve, the anti-corrosion layer 20 is coated on the outer portion of the anti-corrosion layer 8, the anti-corrosion and anti-corrosion effects of the three-way valve can be improved, the service life of the three-way valve is effectively prolonged, the wear-resistant layer 19 is arranged on the outer portion of the anti-corrosion layer 20, the service life of the strut 4 is effectively prolonged, meanwhile, when the three-way valve is transported or the three-way valve is not used, the protective cover 7 can be sleeved on the outer portion of the upper end seat 5, the vacuum chuck 12 is installed in the protective groove 10 formed in the protective cover 7 through the mounting column 11, when the protective cover 7 is sleeved on the outer portion of the upper end seat 5, the vacuum chuck 12 can be in surface contact with the upper end seat 5, the protective cover 7 can be adsorbed and fixed, the protective cover 7 can shield and protect the opening 6, and the sealing gasket 9 is installed in the protective groove 10 formed in the protective cover 7, thereby preventing the dust from entering and avoiding the dust from affecting the normal use of the three-way valve, the installation is simple and convenient, the protection effect is good, when in use, the protective cover 7 is separated from the upper end seat 5, and the internal thread arranged on the inner side of the filter cover 1 is connected with the external thread arranged on the outer side of the lower end seat 2 by screw thread, so that the filter cover 1 is arranged outside the lower end seat 2, the filter screen 14 is arranged inside the filter cover 1 in a sliding way, the filter screen 14 can enter the lower end seat 2 after being arranged, thereby effectively filtering the impurities through the filter screen 14, preventing the impurities from entering the interior of the three-way valve to influence the use of the three-way valve, meanwhile, when the filter screen 14 is disassembled and replaced, the fastening bolt 18 is only required to be rotated and unscrewed, so that the sliding rod 16 slides in the sliding groove 17, thereby rapidly disassembling the filter screen 14 and facilitating the use.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. Mining corrosion-resistant three way valve, including pillar (4), its characterized in that, the outside of pillar (4) is provided with sealing washer (3), and the one end rigid coupling of pillar (4) has upper end base (5), opening (6) have been seted up to the outside of upper end base (5), and the outside of upper end base (5) cup joints and installs protective cover (7), the other end of pillar (4) is connected with end base (2) down, the outside threaded connection of end base (2) has filter cap (1) down, the outside of pillar (4) scribbles anticorrosive coating (8), the outside of anticorrosive coating (8) scribbles antirust coat (20), the outside of antirust coat (20) is provided with wearing layer (19).

2. The mining corrosion-resistant three-way valve according to claim 1, wherein the thickness of the corrosion-resistant layer (8) is the same as that of the rust-resistant layer (20), the corrosion-resistant layer (8) is an epoxy resin composite material, the rust-resistant layer (20) is a polyurethane coating, and the wear-resistant layer (19) is a ceramic wear-resistant coating.

3. The mining corrosion-resistant three-way valve according to claim 1, wherein the protective cover (7) is provided with rotating lines (13) on the outside, the protective cover (7) is provided with a protective groove (10) on the inside, the inner side of the protective groove (10) is provided with a sealing gasket (9), the top end of the protective groove (10) is provided with a mounting column (11), and a vacuum chuck (12) is sleeved on the outside of the mounting column (11).

4. The mining corrosion-resistant three-way valve according to claim 3, wherein the mounting columns (11) are symmetrically arranged in the protective groove (10) by taking the protective groove (10) as a circle center, the length of the upper end seat (5) is two thirds of the length of the protective cover (7), and the sealing gasket (9) is made of elastic rubber.

5. The mining corrosion-resistant three-purpose valve according to claim 1, wherein a filter tank (15) is arranged in the filter cover (1), a filter screen (14) is slidably mounted in the filter tank (15), slide bars (16) are symmetrically mounted on two sides of the filter screen (14), slide grooves (17) which slide with the slide bars (16) mutually are symmetrically arranged on two sides of the filter cover (1), and fastening bolts (18) are arranged on the front surface of the slide bars (16).

6. The mining corrosion-resistant three-way valve according to claim 5, wherein the length of the sliding groove (17) is two thirds of the length of the filter cover (1), the radius of the filter screen (14) is smaller than that of the lower end seat (2), a screw hole is formed in the tail end of the sliding groove (17), and the tail end of the fastening bolt (18) penetrates through the inside of the sliding rod (16) and is in threaded connection with the screw hole.

7. The mining corrosion-resistant three-purpose valve according to claim 5, characterized in that one side of the inner side of the filter tank (15) close to the filter screen (14) is provided with an internal thread, the outer part of the lower end seat (2) is provided with an external thread, the internal thread of the inner side of the filter tank (15) is in threaded connection with the external thread, and the length of the external thread is half of the length of the lower end seat (2).