CN211649122U

CN211649122U - Corrosion-resistant heavy-load ball valve

Info

Publication number: CN211649122U
Application number: CN201921814489.0U
Authority: CN
Inventors: 彭明锋
Original assignee: Shanghai Xianfeng Automation Equipment Co ltd
Current assignee: Shanghai Xianfeng Automation Equipment Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-10-09
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a corrosion-resistant heavy load type ball valve, including flange, valve body, spheroid, elastomer, fixed axle, first valve rod, circular gasket, thread cap, first bevel gear, second bevel gear, sealed shell, second valve rod, runner, sealed cap, silica gel hygroscopic layer, string bag, hygroscopic layer set casing, rectangle set casing, connecting block, go-between, plectrum, clamp splice, slider and spring. The utility model has the advantages that: the dehumidification structure of this device can effectually adsorb the inside steam of sealed shell, prevents the surface of steam corrosion ball valve, and the dehumidification structure changes silica gel hygroscopic layer through the string bag, and it is convenient, swift to change, and this device is provided with spacing fixed knot structure, can be fixed the runner through spacing fixed knot structure, prevents that the runner from bumping or unexpected the rotation because of the mistake, leads to the ball valve to lose the switch effect, and then causes the accident.

Description

Corrosion-resistant heavy-load ball valve

Technical Field

The utility model relates to a ball valve specifically is a corrosion-resistant heavy load type ball valve, belongs to corrosion-resistant ball valve application technical field.

Background

Ball valve, the open-close piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The valve of this type should be generally installed horizontally in the pipeline. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

Ball valve in use receives the inside valve rod corrosion of ball valve that leads to in the steam erosion of inside pipeline easily, simultaneously when outdoor, can lead to the ball valve body to receive the corruption because of corrosive liquids such as acid rain, and the ball valve can touch or misoperation leads to the handle rotation because of staff's mistake when using for the ball valve loses the switching action, leads to some unexpected emergence. Therefore, a corrosion-resistant heavy-duty ball valve is proposed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrosion-resistant heavy load type ball valve just in order to solve above-mentioned problem.

The utility model realizes the above purpose by the following technical proposal, a corrosion-resistant heavy-duty ball valve comprises a valve body, a ball body, a sealing shell, a limiting fixed structure and a dehumidifying structure, wherein the inner cavity side wall of the sealing shell is fixedly penetrated with the valve body, both ends of the valve body are fixedly connected with flanges, the inner wall of the ball cavity of the valve body is fixedly connected with an elastomer, the ball cavity of the valve body is rotatably connected with the ball body, the surface of the ball body is fixedly connected with one end of a first valve rod, the other end of the first valve rod is fixedly connected with a first bevel gear, the side wall of the valve body is rotatably connected with a second valve rod, one end of the second valve rod is fixedly connected with a second bevel gear, the other end of the second valve rod is fixedly connected with a rotating wheel, the side wall of the sealing shell is fixedly connected with a fixed shaft, the fixed shaft is, and the surface of the valve body is fixedly provided with a limiting and fixing structure.

Preferably, the dehumidification structure includes screw cap, silica gel moisture absorption layer, string bag and moisture absorption layer set casing, the lateral wall fixedly connected with moisture absorption layer set casing of seal shell, the upper end of moisture absorption layer set casing runs through the roof of seal shell and extends to outside the wall, the thread groove has been seted up to the upper end of moisture absorption layer set casing, moisture absorption layer set casing and screw cap threaded connection, the inside string bag that is filled with of moisture absorption layer set casing, the inside silica gel moisture absorption layer that is filled with of string bag.

Preferably, the side wall of the moisture absorption layer fixing shell is provided with a plurality of vent holes.

Preferably, spacing fixed knot constructs including rectangle set casing, connecting block, go-between, plectrum, clamp splice slider and spring, valve body lateral wall fixedly connected with rectangle set casing, the lateral wall fixedly connected with connecting block of rectangle set casing, the connecting block rotates and is connected with the go-between, the one end of the inner chamber lateral wall fixedly connected with spring of rectangle set casing, the one end of the other end fixedly connected with slider of spring, the one end of two the same clamp splices of the other end fixedly connected with of slider, two the other end of clamp splice runs through the lateral wall of rectangle set casing and extends to outside the wall, the one end of the bottom surface fixedly connected with plectrum of slider, the other end of plectrum runs through the diapire of rectangle set casing and extends to outside the wall.

Preferably, the first bevel gear and the second bevel gear are meshed with each other.

Preferably, a plurality of circular sealing pieces are fixedly connected to the arc-shaped surfaces of the first valve rod and the second valve rod.

The utility model has the advantages that:

1. the circular gasket structure of this device can prevent that the inside steam of pipeline from getting into the junction of first valve rod and second valve rod, avoids producing the corrosion, and corrosion liquid contact such as ball valve and outside acid rain is avoided to the sealed shell, plays the anticorrosion effect, is applicable to outdoor use.

2. The dehumidification structure of this device can effectually adsorb the inside steam of sealed shell, prevents the surface of steam corrosion ball valve, and the dehumidification structure changes silica gel hygroscopic layer through the string bag, and it is convenient, swift to change, and this device is provided with spacing fixed knot structure, can be fixed the runner through spacing fixed knot structure, prevents that the runner from bumping or unexpected the rotation because of the mistake, leads to the ball valve to lose the switch effect, and then causes the accident.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic perspective view of the present invention;

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

fig. 3 is a schematic view of a partial enlarged structure at a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a partial enlarged structure at B of fig. 2 according to the present invention;

fig. 5 is a schematic view of the connection structure between the rotating wheel and the limiting fixing structure of the present invention.

In the figure: 1. the sealing device comprises a flange, 2, a valve body, 3, a ball body, 4, an elastic body, 5, a fixed shaft, 6, a first valve rod, 7, a circular sealing sheet, 8, a threaded cover, 9, a first bevel gear, 10, a second bevel gear, 11, a sealing shell, 12, a second valve rod, 13, a rotating wheel, 14, a sealing shell cover, 15, a silica gel moisture absorption layer, 16, a net bag, 17, a moisture absorption layer fixed shell, 18, a rectangular fixed shell, 19, a connecting block, 20, a connecting ring, 21, a shifting sheet, 22, a clamping block, 23, a sliding block, 24 and a spring.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, a corrosion-resistant heavy-duty ball valve includes a valve body 2, a ball body 3, a sealing shell 11, a limiting fixing structure and a dehumidifying structure, wherein the valve body 2 is fixedly penetrated through the side wall of the inner cavity of the sealing shell 11, flanges 1 are fixedly connected to both ends of the valve body 2, an elastic body 4 is fixedly connected to the inner wall of the ball cavity of the valve body 2, the ball body 3 is rotatably connected to the ball cavity of the valve body 2, one end of a first valve rod 6 is fixedly connected to the surface of the ball body 3, the other end of the first valve rod 6 is fixedly connected to a first bevel gear 9, the side wall of the valve body 2 is rotatably connected to a second valve rod 12, one end of the second valve rod 12 is fixedly connected to a second bevel gear 10, the other end of the second valve rod 12 is fixedly connected to a rotating wheel 13, a fixing shaft 5 is fixedly connected to the side, the lateral wall fixedly connected with dehumidification structure of sealed shell 11, the fixed surface of valve body 2 installs spacing fixed knot and constructs.

The dehumidifying structure comprises a threaded cover 8, a silica gel moisture absorption layer 15, a net bag 16 and a moisture absorption layer fixing shell 17, the side wall of the sealing shell 11 is fixedly connected with the moisture absorption layer fixing shell 17, the upper end of the moisture absorption layer fixing shell 17 penetrates through the top wall of the sealing shell 11 and extends out of the wall, a threaded groove is formed in the upper end of the moisture absorption layer fixing shell 17, the moisture absorption layer fixing shell 17 is in threaded connection with the threaded cover 8, the net bag 16 is filled in the moisture absorption layer fixing shell 17, the silica gel moisture absorption layer 15 is filled in the net bag 16, and the silica gel moisture absorption layer 15 is used for absorbing water vapor and preventing the ball valve from being rusted; a plurality of vent holes are formed in the side wall of the moisture absorption layer fixing shell 17; the limiting and fixing structure comprises a rectangular fixing shell 18, a connecting block 19, a connecting ring 20, a shifting sheet 21, clamping blocks 22, a sliding block 23 and a spring 24, the side wall of the valve body 2 is fixedly connected with the rectangular fixing shell 18, the outer side wall of the rectangular fixing shell 18 is fixedly connected with the connecting block 19, the connecting block 19 is rotatably connected with the connecting ring 20, the side wall of an inner cavity of the rectangular fixing shell 18 is fixedly connected with one end of the spring 24, the other end of the spring 24 is fixedly connected with one end of the sliding block 23, the other end of the sliding block 23 is fixedly connected with one end of two identical clamping blocks 22, the other ends of the two clamping blocks 22 penetrate through the side wall of the rectangular fixing shell 18 and extend out of the wall, the bottom surface of the sliding block 23 is fixedly connected with one end of the shifting sheet 21, and the other end of; the first bevel gear 9 and the second bevel gear 10 are meshed with each other; fixedly connected with a plurality of circular gasket 7 on the arcwall face of first valve rod 6 and second valve rod 12, circular gasket 7 structure can prevent that the inside steam of pipeline from getting into the junction of first valve rod 6 and second valve rod 12, avoids producing the corrosion.

When the utility model is used, the device is firstly installed on a corresponding guide pipe through a flange 1, the second valve rod 12 and the second bevel gear 10 are driven to rotate through a rotating runner 13, the second bevel gear 10 is linked with the first bevel gear 9 to rotate through meshing, the first bevel gear 9 drives the first valve rod 6 to rotate, the first valve rod 6 drives the ball body 3 to rotate, the opening and closing of the ball valve is realized through the rotation of the ball body 3, when the water vapor in the pipeline enters the inside of the valve body 2 through the gap between the valve body 2 and the ball body 3, the water vapor is blocked through the circular sealing sheet 7, the first valve rod 6 and the second valve rod 12 are prevented from being corroded, the ball valve is prevented from contacting with corrosive liquids such as external acid rain through the sealing shell 11, the moisture absorption effect is realized through the silica gel layer 15, the moisture is prevented from corroding the outside of the ball valve, when silica gel hygroscopic layer 15 needs to be changed, through rotating screw thread cover 8, open screw thread cover 8, then take out string bag 16, change the silica gel hygroscopic layer 15 inside string bag 16, just can realize the change to dehumidification structure, when runner 13 needs to be fixed, take off go-between 20 from plectrum 21, rebound effect through spring 24, make slider 23 remove, slider 23 drives two clamp splice 22 and removes, when two clamp splice 22 remove to the connecting rod department of runner 13, just can fix spacing runner 13, when runner 13 needs to be rotated, only need stir plectrum 21, hang plectrum 21 on go-between 20, just can realize the back of retraction of clamp splice 22, just can rotate runner 13, and the operation is simple.

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.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a corrosion-resistant heavy-duty type ball valve which characterized in that: comprises a valve body (2), a ball body (3), a sealing shell (11), a limiting fixed structure and a dehumidifying structure, wherein the inner cavity side wall of the sealing shell (11) is fixedly penetrated by the valve body (2), both ends of the valve body (2) are fixedly connected with flanges (1), the ball-shaped inner cavity wall of the valve body (2) is fixedly connected with an elastic body (4), the ball-shaped cavity of the valve body (2) is rotatably connected with the ball body (3), the surface of the ball body (3) is fixedly connected with one end of a first valve rod (6), the other end of the first valve rod (6) is fixedly connected with a first bevel gear (9), the side wall of the valve body (2) is rotatably connected with a second valve rod (12), one end of the second valve rod (12) is fixedly connected with a second bevel gear (10), the other end of the second valve rod (12) is fixedly connected with a rotating wheel (13), the side wall of the sealing, the fixed shaft (5) is rotatably connected with a sealing shell cover (14), the side wall of the sealing shell (11) is fixedly connected with a dehumidifying structure, and the surface of the valve body (2) is fixedly provided with a limiting and fixing structure.

2. A corrosion resistant heavy duty ball valve as defined in claim 1, wherein: the dehumidification structure includes screw cap (8), silica gel hygroscopic layer (15), string bag (16) and hygroscopic layer set casing (17), the lateral wall fixedly connected with hygroscopic layer set casing (17) of sealed shell (11), the upper end of hygroscopic layer set casing (17) runs through the roof of sealed shell (11) and extends to outside the wall, the thread groove has been seted up to the upper end of hygroscopic layer set casing (17), hygroscopic layer set casing (17) and screw cap (8) threaded connection, the inside string bag (16) of being filled with of hygroscopic layer set casing (17), the inside of string bag (16) is filled with silica gel hygroscopic layer (15).

3. A corrosion resistant heavy duty ball valve as defined in claim 2, wherein: the side wall of the moisture absorption layer fixing shell (17) is provided with a plurality of vent holes.

4. A corrosion resistant heavy duty ball valve as defined in claim 1, wherein: the limiting fixing structure comprises a rectangular fixing shell (18), a connecting block (19), a connecting ring (20), a shifting sheet (21), clamping blocks (22), a sliding block (23) and a spring (24), wherein the side wall of the valve body (2) is fixedly connected with the rectangular fixing shell (18), the outer side wall of the rectangular fixing shell (18) is fixedly connected with the connecting block (19), the connecting block (19) is rotatably connected with the connecting ring (20), the inner cavity side wall of the rectangular fixing shell (18) is fixedly connected with one end of the spring (24), the other end of the spring (24) is fixedly connected with one end of the sliding block (23), the other end of the sliding block (23) is fixedly connected with one end of two identical clamping blocks (22), the other end of the two clamping blocks (22) penetrates through the side wall of the rectangular fixing shell (18) and extends out of the wall, and the bottom surface of the sliding block (23) is fixedly connected with one, the other end of the poking sheet (21) penetrates through the bottom wall of the rectangular fixed shell (18) and extends out of the wall.

5. A corrosion resistant heavy duty ball valve as defined in claim 1, wherein: the first bevel gear (9) and the second bevel gear (10) are meshed with each other.

6. A corrosion resistant heavy duty ball valve as defined in claim 1, wherein: a plurality of circular sealing pieces (7) are fixedly connected to the arc-shaped surfaces of the first valve rod (6) and the second valve rod (12).