CN210240722U

CN210240722U - Ball valve with layering protection

Info

Publication number: CN210240722U
Application number: CN201921249271.5U
Authority: CN
Inventors: Tianqiang Wu; 吴天强; Caiyun Wu; 吴彩云; Xinwang Wu; 吴信旺
Original assignee: Tianjin Kaishitong Valve Manufacturing Co Ltd
Current assignee: Tianjin Kaishitong Valve Manufacturing Co Ltd
Priority date: 2019-08-05
Filing date: 2019-08-05
Publication date: 2020-04-03
Anticipated expiration: 2029-08-05

Abstract

The utility model provides a ball valve with layering protection. The ball valve with layering protection includes valve body and passageway, the passageway is seted up in the valve body and is transversely set up, layering protection mechanism, slewing mechanism, fixed establishment, stop gear, coupling mechanism, layering protection mechanism is located the setting on the valve body, layering protection mechanism includes installation cavity, rubber packing pad, cock spheroid, opening, anti-corrosion coating and antifriction layer, the installation cavity is seted up in the valve body and the opening upwards sets up, the installation cavity with the passageway intercommunication sets up, rubber packing pad fixed connection in on the inner wall of installation cavity, the cock spheroid is located in the installation cavity, just the opening is seted up in the cock spheroid and transversely sets up, anti-corrosion coating locates on the surface of valve body, just anti-friction coating locates on the inner wall of passageway. The utility model provides a ball valve with layering protection has that barrier propterty is good, long service life's advantage.

Description

Ball valve with layering protection

Technical Field

The utility model discloses the ball valve relates to technical field, especially relates to a ball valve with layering protection.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve is most suitable for being used as a switch and a stop valve, namely a V-shaped ball valve.

The ball valve is applied to many places, and in some special environment, the corrosion resistance and the wear resistance of ball valve need to be guaranteed, for example when some external environment are comparatively moist for a long time and the inside circulation texture of ball valve is harder medium, the loss of ball valve can be very big to the life of ball valve has been reduced.

Therefore, there is a need to provide a new ball valve with layered protection to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a ball valve with layering protection that barrier propterty is good, long service life.

In order to solve the technical problem, the utility model provides a ball valve with layering protection includes: the valve comprises a valve body and a channel, wherein the channel is arranged in the valve body and transversely; the layered protection mechanism is arranged on the valve body and comprises a mounting cavity, a rubber sealing gasket, a cock ball body, a through hole, an anti-corrosion layer and an anti-friction layer, wherein the mounting cavity is arranged in the valve body and provided with an upward opening, the mounting cavity is communicated with the channel, the rubber sealing gasket is fixedly connected to the inner wall of the mounting cavity, the cock ball body is arranged in the mounting cavity, the through hole is arranged in the cock ball body and transversely arranged, the anti-corrosion layer is arranged on the surface of the valve body, and the anti-friction layer is arranged on the inner wall of the channel; the rotating mechanism is positioned at the upper end of the valve body; the fixing mechanism is positioned between the rotating mechanism and the valve body; the limiting mechanism is positioned in the rotating mechanism; a connection mechanism located in the mounting cavity.

Preferably, slewing mechanism includes mounting panel, valve rod and carousel, the mounting panel is located the upper end of valve body, just the valve rod vertically run through the mounting panel and with the cock spheroid is connected, carousel fixed connection in the upper end of valve rod.

Preferably, the fixing mechanism comprises a first flange, a second flange and a first bolt, the first flange is fixedly connected to the lower end of the mounting plate, the second flange is fixedly connected to the upper end of the valve body, and the first flange is fixedly connected to the second flange through the first bolt.

Preferably, stop gear includes commentaries on classics piece and arc rotary groove, the arc rotary groove seted up in the valve rod runs through on the inner wall of mounting panel, change piece fixed connection in on the lateral wall of valve rod, just change piece sliding connection in the arc rotary groove.

Preferably, the connecting mechanism comprises a fixing block and a second bolt, the fixing block is fixedly connected to the side wall of the valve rod and is close to the lower end of the valve rod, and the fixing block is fixedly connected with the cock ball body through the second bolt.

Preferably, a filter screen is arranged in the channel.

Compared with the prior art, the utility model provides a ball valve with layering protection has following beneficial effect:

the utility model provides a ball valve with layering protection sets up the anticorrosion layer through the surface at the valve body, at the surface spraying anticorrosion lacquer of valve body promptly, has improved the surface corrosion resistance of valve body to improve the life of valve body, through set up the antifriction layer on the inner wall of passageway, the antifriction layer adopts compound bimetallic material: the high-chromium cast iron is compounded with steel, so that the high-chromium cast iron has high abrasion resistance and good toughness, can be effectively welded, achieves organic unification of abrasion resistance, toughness and weldability, improves the abrasion resistance of the inner wall of the pipeline, reduces the damage to a ball valve component when a medium passes through a channel, and prolongs the service life of the valve body.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a ball valve with layered protection according to the present invention;

FIG. 2 is a schematic structural view of the limiting mechanism shown in FIG. 1;

figure 3 is a schematic view of the structure of the stopcock body shown in figure 1.

Reference numbers in the figures: 1. the valve comprises a valve body, a channel, a layer protection mechanism 31, an installation cavity, a rubber sealing gasket 32, a rubber sealing gasket 33, a cock ball 34, a through hole 35, an anti-corrosion layer 36, an anti-friction layer 4, a rotating mechanism 41, an installation plate 42, a valve rod 43, a rotary disc 5, a fixing mechanism 51, a first flange 52, a second flange 53, a first bolt 6, a limiting mechanism 61, a rotary block 62, an arc-shaped rotary groove 7, a connecting mechanism 71, a fixed block 72, a second bolt 8 and a filter screen.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a ball valve with layered protection according to the present invention; FIG. 2 is a schematic structural view of the limiting mechanism shown in FIG. 1; figure 3 is a schematic view of the structure of the stopcock body shown in figure 1. A ball valve with layered protection includes: the valve comprises a valve body 1 and a channel 2, wherein the channel 2 is arranged in the valve body 1 and is transversely arranged, and the layered protection mechanism 3, the rotating mechanism 4, the fixing mechanism 5, the limiting mechanism 6 and the connecting mechanism 7 are arranged in the channel 2.

In the specific implementation process, as shown in fig. 1 and 3, the layered protection mechanism 3 is disposed on the valve body 1, the layered protection mechanism 3 includes a mounting cavity 31, a rubber gasket 32, a plug ball 33, a through hole 34, an anti-corrosion layer 35 and an anti-friction layer 36, the mounting cavity 31 is opened in the valve body 1 and is upwardly opened, the mounting cavity 31 is communicated with the channel 2, the rubber gasket 32 is fixedly connected to the inner wall of the mounting cavity 31, the plug ball 33 is disposed in the mounting cavity 31, the through hole 34 is opened in the plug ball 33 and is transversely disposed, the anti-corrosion layer 35 is disposed on the surface of the valve body 1, and the anti-friction layer 36 is disposed on the inner wall of the channel 2, in the use process of the device, the plug ball 33 is disposed in the mounting cavity 31, and the rubber gasket 32 is disposed between the plug ball 33 and the mounting cavity 31, so that the connection sealing performance between the plug ball 33 and the mounting cavity 31 is improved, the medium is from passageway 2 and the circulation process of port 34 department, through rotating cock spheroid 33, change the intercommunication opening size between port 34 and the passageway 2, thereby adjust the medium of circulation, set up anti-corrosion coating 35 through the surface at valve body 1, the surface spraying anticorrosive paint at valve body 1 promptly, the surface corrosion protection nature of valve body 1 has been improved, thereby the life of valve body 1 has been improved, anticorrosive paint is the common thing in the life, do not do too much to describe for this, through set up anti-friction layer 36 on the inner wall at passageway 2, anti-friction layer 36 adopts compound bimetallic material: the high-chromium cast iron is compounded with steel, so that the high-chromium cast iron has high abrasion resistance and good toughness, can be effectively welded, achieves organic unification of abrasion resistance, toughness and weldability, improves the abrasion resistance of the inner wall of the pipeline 2, reduces the damage to a ball valve component when a medium passes through the channel 2, and prolongs the service life of the valve body 1.

Referring to fig. 1 and 2, the rotating mechanism 4 is located at the upper end of the valve body 1, the rotating mechanism 4 includes a mounting plate 41, a valve rod 42 and a rotary disk 43, the mounting plate 41 is located at the upper end of the valve body 1, the valve rod 42 vertically penetrates through the mounting plate 41 and is connected with the cock sphere 33, the rotary disk 43 is fixedly connected to the upper end of the valve rod 42, the mounting plate 41 is fixed at the opening of the mounting cavity 31 at the upper end of the valve body 1 through a fixing mechanism 5, the valve rod 42 can be driven to rotate by rotating the rotary disk 43, the lower end of the valve rod 42 is fixedly connected with the cock sphere 33 through a connecting mechanism 7, the cock sphere 33 is driven to rotate when the valve rod 42 rotates, so that the size of the opening.

Referring to fig. 1 and 2, the fixing mechanism 5 is located between the rotating mechanism 4 and the valve body 1, the fixing mechanism 5 includes a first flange 51, a second flange 52 and a first bolt 53, the first flange 51 is fixedly connected to the lower end of the mounting plate 41, the second flange 52 is fixedly connected to the upper end of the valve body 1, the first flange 51 and the second flange 52 are fixedly connected through the first bolt 53, the first flange 51 is fixed to the lower end of the mounting plate 41, the second flange 52 is fixed to the opening of the mounting cavity 31 in the valve body 1, and the first bolt 53 and the second flange are fixedly connected to fixedly connect the mounting plate 41 and the valve body 1.

Referring to fig. 1 and 2, the limiting mechanism 6 is located in the rotating mechanism 4, the limiting mechanism 6 includes a rotating block 61 and an arc-shaped rotating groove 62, the arc-shaped rotating groove 62 is opened on the inner wall of the valve rod 42 penetrating through the mounting plate 41, the rotating block 61 is fixedly connected to the side wall of the valve rod 42, and the rotating block 61 is slidably connected in the arc-shaped rotating groove 62, when the rotating disc 43 is rotated, the valve rod 42 can drive the rotating block 61 to rotate in the arc-shaped rotating groove 62, the arc-shaped rotating groove 62 is a groove with an arc angle of ninety degrees, so as to limit the valve rod 42, so that the valve rod can only rotate ninety degrees, and the rotating plug sphere 33 can conveniently control the opening size between the port 34 and the channel 2.

Referring to fig. 1 and 2, the connection mechanism 7 is located in the installation cavity 31, the connection mechanism 7 includes a fixing block 71 and a second bolt 72, the fixing block 71 is fixedly connected to a side wall of the valve rod 42, the fixing block 71 is disposed near a lower end of the valve rod 42, the fixing block 71 is fixedly connected to the plug ball 33 through the second bolt 72, and the fixing block 71 is fixed to the plug ball 33 through the second bolt 72, so that the valve rod 42 is fixedly connected to the plug ball 33, the plug ball 33 is detachable, and when the plug ball 33 is damaged, the plug ball 33 can be replaced conveniently.

Referring to fig. 1 and 2, a filter screen 8 is arranged in the channel 2, and the filter screen 8 is arranged in the channel 2 to filter the medium passing through the channel 2, so that the device is prevented from being damaged due to impurities in the medium which are clamped in a gap between a cock ball 33 and a rubber sealing gasket 32.

The above is only the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention can be used in other related technical fields, directly or indirectly, or in the same way as the present invention.

Claims

1. A ball valve with layered protection, comprising:

the valve comprises a valve body (1) and a channel (2), wherein the channel (2) is arranged in the valve body (1) and is arranged transversely;

a layered protection mechanism (3), the layered protection mechanism (3) is arranged on the valve body (1), the layered protection mechanism (3) comprises an installation cavity (31), a rubber sealing gasket (32), a cock ball body (33), a through hole (34), an anti-corrosion layer (35) and an anti-friction layer (36), the mounting cavity (31) is arranged in the valve body (1) and has an upward opening, the installation cavity (31) is communicated with the channel (2), the rubber sealing gasket (32) is fixedly connected to the inner wall of the installation cavity (31), the cock ball body (33) is positioned in the installation cavity (31), the through hole (34) is arranged in the cock body (33) and is arranged transversely, the anti-corrosion layer (35) is arranged on the surface of the valve body (1), the anti-friction layer (36) is arranged on the inner wall of the channel (2);

the rotating mechanism (4), the rotating mechanism (4) is positioned at the upper end of the valve body (1);

the fixing mechanism (5), the said fixing mechanism (5) locates between said rotating mechanism (4) and said valve block (1);

the limiting mechanism (6), the limiting mechanism (6) is positioned in the rotating mechanism (4);

a connection mechanism (7), the connection mechanism (7) being located in the mounting cavity (31).

2. The ball valve with layered protection according to claim 1, characterized in that the rotating mechanism (4) comprises a mounting plate (41), a valve stem (42) and a rotary disc (43), the mounting plate (41) is located at the upper end of the valve body (1), the valve stem (42) vertically penetrates the mounting plate (41) and is connected with the cock sphere (33), and the rotary disc (43) is fixedly connected to the upper end of the valve stem (42).

3. The ball valve with layered protection according to claim 2, wherein the fixing mechanism (5) comprises a first flange (51), a second flange (52) and a first bolt (53), the first flange (51) is fixedly connected to the lower end of the mounting plate (41), the second flange (52) is fixedly connected to the upper end of the valve body (1), and the first flange (51) and the second flange (52) are fixedly connected by the first bolt (53).

4. The ball valve with the layered protection function according to claim 2, wherein the limiting mechanism (6) comprises a rotating block (61) and an arc-shaped rotating groove (62), the arc-shaped rotating groove (62) is formed in an inner wall of the valve rod (42) penetrating through the mounting plate (41), the rotating block (61) is fixedly connected to a side wall of the valve rod (42), and the rotating block (61) is slidably connected into the arc-shaped rotating groove (62).

5. The ball valve with layered protection according to claim 2, characterized in that the connecting mechanism (7) comprises a fixed block (71) and a second bolt (72), the fixed block (71) is fixedly connected to the side wall of the valve rod (42), the fixed block (71) is arranged near the lower end of the valve rod (42), and the fixed block (71) is fixedly connected with the cock sphere (33) through the second bolt (72).

6. The ball valve with layered protection according to claim 1, characterized in that a filter screen (8) is provided in the channel (2).