CN219366929U - Sealing type ball valve cover - Google Patents

Abstract

The utility model discloses a sealed ball valve cover, which comprises a valve cover body, wherein the valve cover body is formed by combining an upper flange and a lower flange, an upper channel is formed in the valve cover body, a plurality of groups of flange holes are formed in the upper flange, ball valve mounting holes are formed in the lower flange, an inspection opening and a positioning hole are formed in the outer side of the lower flange, a fixing component is arranged in the positioning hole, a sealing gasket is arranged at the bottom end of the fixing component, the fixing component is placed in the fixing component, the fixing of the top end can be realized by connecting and fixing a fixing block structure in the fixing component with the positioning hole, the sealing gasket is clamped at the bottom end of the lower flange by a spring, a bottom column and a limit column structure at the bottom end, when the valve cover body is connected with an external structure, the sealing gasket can be influenced by the fixing component, the distance between the sealing gasket and the structure is adjusted automatically, and external liquid is not easy to enter from a connecting surface between the sealing gasket and is not easy to cause corrosion.

Description

Sealing type ball valve cover

Technical Field

The utility model relates to the field of operation tools, in particular to a sealing type ball valve cover.

Background

The valve with the opening and closing part (ball) driven by the valve rod and rotating around the axis of the valve can also be used for regulating and controlling fluid, wherein the hard seal V-shaped ball valve has strong shearing force between the V-shaped ball core and the metal valve seat of the hard alloy for surfacing, and is particularly suitable for media containing fiber, tiny solid particles and the like, the valve cover is an important part of the valve body, and the sealing performance of the valve cover affects whether the valve can leak or not.

The utility model discloses a ball valve gap in patent number CN201320725676.8, aims at providing a ball valve gap that promotes ball valve leakproofness, and its technical scheme main points are including being equipped with the collar on the terminal surface that the end cover body is close to the drain passageway, are equipped with the die cavity between collar and the drain passageway, and the die cavity is the installation department that supplies the ball core to install, and the installation department is the spill sphere with ball core looks adaptation. The end cover body is matched with the valve body through the sealing ring arranged on the mounting part, so that the sealing area of the end cover body and the valve body is increased, the sealing performance of the end cover body is improved, the ball valve is prevented from leaking in the use process, the mounting ring on the end face of the body has the effect of increasing the sealing area, the ball core is prevented from vibrating in the use process, the stability of the ball valve is improved, and the ball valve has the following defects: the valve cover does not seal the bolt hole, and due to the dismounting of the bolt, the bolt sealing ring at the upper end of the bolt hole is often damaged, so that rainwater leaks, and the bolt and the connecting surface of the valve cover and the valve body are corroded.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides the sealed ball valve cover, a fixed assembly is placed in the sealed ball valve cover through a positioning hole structure formed in a lower flange, the top end of the sealed ball valve cover can be fixed through connection and fixation between a fixed block structure in the fixed assembly and the positioning hole, the position of a sealing gasket structure is clamped at the bottom end of the lower flange through a spring, a bottom column and a limit column structure at the bottom end, when a valve cover body is connected with an external structure, the sealing gasket can be influenced by the fixed assembly, the distance between the sealing gasket and the structure is automatically adjusted, and external liquid is not easy to enter from a connecting surface between the sealing gasket and the structure, so that corrosion is not easy to cause.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a sealed ball valve gap, includes the valve gap body, forms by last flange and lower flange combination in the valve gap body, go up the inside of flange and seted up the passageway, multiunit flange hole has been seted up to its outside, be provided with ball valve mounting hole in the lower flange, inspection mouth and locating hole have been seted up to the outside of lower flange, be provided with fixed subassembly in the locating hole, fixed subassembly's bottom is provided with sealed the pad, including fixed block, spring, spacing post, bottom post and briquetting in the fixed subassembly, the upper and lower both ends of bottom post respectively with spacing post and briquetting fixed connection, the outside winding of spacing post is fixed with the spring, the top of spring contacts with the bottom of fixed block, through screw thread fixed connection between fixed block and the locating hole.

As a preferable technical scheme of the utility model, the limit column is arranged in the spring, and the spring is fixedly connected with the top end of the bottom column.

As a preferable technical scheme of the utility model, the pressing block is of a plurality of groups of columnar bulge structures, and the outer side of the top end of the sealing gasket is provided with a pressing groove structure matched with the pressing block in size.

As a preferable technical scheme of the utility model, the upper channel and the ball valve mounting hole are of a mutually communicated structure, and the inner walls of the two groups of structures are coated with nano alumina coating.

As a preferable technical scheme of the utility model, the inspection port is of a hollow groove structure with a cylinder at the top end and a horn-shaped bottom end, and a floating ball structure is arranged in the horn-shaped hollow groove at the bottom end, and the size of the floating ball is larger than that of the top end of the horn-shaped hollow groove.

As a preferred technical scheme of the utility model, the inspection opening, the positioning hole and the fixing component are at least provided with two groups on the lower flange.

As a preferable technical scheme of the utility model, the upper channel is of a horn-shaped cavity structure with a small top end and a large bottom end.

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

in this device, through the locating hole structure of seting up on lower flange, place fixed subassembly wherein, and fix with the locating hole is connected through fixed block structure in the fixed subassembly, can realize the fixed on top, and through the spring of bottom, sill pillar and spacing post structure, establish the position card of sealing pad structure in the bottom of lower flange, when valve gap body and external structure are connected, sealing pad can receive fixed subassembly's influence, and adjust the interval with the two between the structure by oneself, external liquid is difficult for getting into from the junction surface between the two, difficult the cause the corruption.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the structure of the present utility model;

FIG. 3 is a front elevational view of the structure of FIG. 2;

fig. 4 is a schematic structural view of the fixing assembly of the present utility model.

Wherein: 1. a valve cover body; 11. an upper flange; 111. a flange hole; 112. an upper channel; 12. a lower flange; 121. an inspection port; 122. ball valve mounting holes; 123. positioning holes; 3. a fixing assembly; 31. a fixed block; 32. a spring; 33. a limit column; 34. a bottom post; 35. briquetting; 4. and a sealing gasket.

Detailed Description

In order that the manner in which the above recited features, objects and advantages of the present utility model are obtained will become readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings. Based on the examples in the embodiments, those skilled in the art can obtain other examples without making any inventive effort, which fall within the scope of the utility model. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents, etc. used in the following examples are commercially available unless otherwise specified.

Examples:

as shown in fig. 1-4, the utility model provides a sealed ball valve cover, which comprises a valve cover body 1, wherein the valve cover body 1 is formed by combining an upper flange 11 and a lower flange 12, an upper channel 112 is formed in the upper flange 11, a plurality of groups of flange holes 111 are formed in the outer side of the upper channel, a ball valve mounting hole 122 is formed in the lower flange 12, an inspection opening 121 and a positioning hole 123 are formed in the outer side of the lower flange 12, a fixing assembly 3 is arranged in the positioning hole 123, a sealing gasket 4 is arranged at the bottom end of the fixing assembly 3, the fixing assembly 3 comprises a fixing block 31, a spring 32, a limiting column 33, a bottom column 34 and a pressing block 35, the upper end and the lower end of the bottom column 34 are respectively fixedly connected with the limiting column 33 and the pressing block 35, the spring 32 is wound and fixed on the outer side of the limiting column 33, the top end of the spring 32 is contacted with the bottom end of the fixing block 31, and the fixing block 31 is fixedly connected with the positioning hole 123 through threads.

In other embodiments, the limiting post 33 is disposed in the spring 32, and the spring 32 is fixedly connected with the top end of the bottom post 34; the pressing blocks 35 are of a plurality of groups of columnar bulge structures, and the outer sides of the top ends of the sealing gaskets 4 are provided with pressing groove structures matched with the pressing blocks 35 in size; the upper channel 112 and the ball valve mounting hole 122 are of an interconnected structure, and the inner walls of the two groups of structures are coated with nano alumina coating, so that the corrosion resistance of the inner walls of the two groups of cavities is improved, and the service time is prolonged; through the locating hole 123 structure of seting up on lower flange 12, place fixed subassembly 3 wherein, and fix with the locating hole 123 is connected through fixed block 31 structure in fixed subassembly 3, can realize the fixed on top, and through spring 32, bottom post 34 and the spacing post 33 structure of bottom, establish the position card of sealed pad 4 structure in the bottom of lower flange 12, when valve gap body 1 is connected with external structure, sealed pad can be influenced by fixed subassembly 3, and adjust the interval with the two structures by oneself, external liquid is difficult for getting into from the junction surface between the two, difficult corrosion is caused.

In other embodiments, the inspection port 121 is a hollow groove structure with a cylindrical top end and a horn-shaped bottom end, and a floating ball structure is arranged in the horn-shaped hollow groove at the bottom end, and the size of the floating ball is larger than the top end size of the horn-shaped hollow groove; the inspection opening 121, the positioning hole 123 and the fixing assembly 3 are provided with at least two groups on the lower flange 12; the inspection port 121 in the device is used for inspecting whether oil leakage exists or not, the floating ball can float under the buoyancy action of the liquid in the floating ball, a user can check the position of the floating ball, and the structure stability of the sealing gasket 4 can be improved due to the structure of the plurality of groups of fixing components 3.

In other embodiments, the upper channel 112 is a horn-shaped cavity structure with a small top and a large bottom, so that the pressure of the liquid after entering the valve cover body 1 is reduced, and the impact on the inner wall is reduced.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a sealed ball valve gap, includes valve gap body (1), its characterized in that: the valve cover body (1) is formed by combining an upper flange (11) and a lower flange (12), an upper channel (112) is formed in the upper flange (11), a plurality of groups of flange holes (111) are formed in the upper flange (11), ball valve mounting holes (122) are formed in the lower flange (12), an inspection opening (121) and a positioning hole (123) are formed in the outer side of the lower flange (12), a fixing assembly (3) is arranged in the positioning hole (123), a sealing gasket (4) is arranged at the bottom end of the fixing assembly (3), the fixing assembly (3) comprises a fixing block (31), a spring (32), a limiting column (33), a bottom column (34) and a pressing block (35), the upper end and the lower end of the bottom column (34) are fixedly connected with the limiting column (33) and the pressing block (35) respectively, a spring (32) is wound and fixed on the outer side of the limiting column (33), and the top end of the spring (32) is in contact with the bottom end of the fixing block (31), and the fixing block (31) is fixedly connected with the positioning hole (123) through threads.

2. The sealed ball valve cover according to claim 1, wherein: the limiting column (33) is arranged in the spring (32), and the spring (32) is fixedly connected with the top end of the bottom column (34).

3. The sealed ball valve cover according to claim 1, wherein: the pressing blocks (35) are of a plurality of groups of columnar protruding structures, and a pressing groove structure matched with the pressing blocks (35) in size is formed in the outer side of the top end of the sealing gasket (4).

4. The sealed ball valve cover according to claim 1, wherein: the upper channel (112) and the ball valve mounting hole (122) are of mutually communicated structures, and the inner walls of the two groups of structures are coated with nano aluminum oxide coatings.

5. The sealed ball valve cover according to claim 1, wherein: the inspection opening (121) is of a hollow groove structure with a cylindrical top end and a horn-shaped bottom end, a floating ball structure is arranged in the horn-shaped hollow groove at the bottom end, and the size of the floating ball is larger than that of the top end of the horn-shaped hollow groove.

6. The sealed ball valve cover according to claim 1, wherein: the inspection opening (121), the positioning hole (123) and the fixing assembly (3) are at least provided with two groups on the lower flange (12).

7. The sealed ball valve cover according to claim 1, wherein: the upper channel (112) is of a horn-shaped cavity structure with a small top and a large bottom.