CN219712514U - Corrosion-resistant stop valve - Google Patents

Abstract

The utility model discloses a corrosion-resistant stop valve, which comprises a valve body and a detachable buffer tube, wherein a buffer round block, a sealing tube, a flow dividing assembly and a partition piece are arranged in the buffer tube, a horn mouth flow passage is formed in the buffer round block, the flow dividing assembly comprises a flow dividing plate, a flow collecting pipe and connecting columns which are arranged between the flow dividing plate and the flow collecting pipe in parallel, uniformly distributed flow dividing openings are formed in the flow dividing plate, a baffle is arranged on the flow collecting pipe, and uniformly distributed flow dividing holes are formed in the baffle; the buffer tube has the functions of shunting and filtering fluid and reducing fluid scouring force, the fluid shunts and flows from the horn mouth runner, the fluid enters from one wide end of the horn mouth runner and flows out from one narrow end of the horn mouth runner, the fluid is shunted, the fluid scouring force is reduced, the fluid passes through the shunt opening and the shunt hole, the shunting effect is realized, and the shunt plate and the baffle play the roles of filtering high-hardness large-particle impurities and avoiding the damage caused by the sealing performance of the scouring valve.

Description

Corrosion-resistant stop valve

Technical Field

The utility model belongs to the technical field of valves, and particularly relates to a corrosion-resistant stop valve.

Background

The valve is a control part in the fluid conveying system, has the functions of stopping, adjusting, guiding, preventing backflow, stabilizing pressure, splitting flow or overflow pressure relief and the like, is more in variety, is one of the most widely used valves, and has the characteristics of durability, small opening height, easiness in manufacturing and convenience in maintenance;

the stop valve can have faults after being used for a period of time, common faults include impurity blocking to the sealing surface, and the sealing surface is damaged when the valve is closed, so that leakage is caused; and because of erosion and cavitation damage, internal leakage is caused, fluid generally flows in a turbulent flow mode when flowing through the valve, the flow speed is high, the scouring force is high, the inner sealing surface of the valve is scoured out of the slot type, and the faster the impurities in the fluid erode the valve body; the stop valve has the problems that the flow can not be split and filtered, and the function of reducing the fluid scouring force is insufficient, so that the corrosion-resistant stop valve is provided.

Disclosure of Invention

The utility model aims to provide a corrosion-resistant stop valve, which solves the problems that the stop valve proposed in the background art cannot shunt and filter fluid and has the function of reducing fluid scouring force.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a corrosion-resistant type stop valve, includes valve body and detachable buffer tube, buffer tube's inside is equipped with buffering circle piece, sealed tube, reposition of redundant personnel subassembly and separator, the horn mouth runner has been seted up on the buffering circle piece, the reposition of redundant personnel subassembly includes flow distribution plate, pressure manifold and parallel mount spliced pole between flow distribution plate and pressure manifold, evenly distributed's shunt opening has been seted up on the flow distribution plate, be equipped with the baffle on the pressure manifold, evenly distributed's branch flow hole has been seted up on the baffle.

Preferably, the buffer tube and the sealing tube are hollow structures, the outer diameters of the buffer round block and the sealing tube are the same, and the outer diameter of the buffer round block is the same as the inner diameter of the buffer tube.

Preferably, the external diameters of the flow dividing plate and the collecting pipe are the same, and the external diameter of the flow dividing plate is the same as the internal diameter of the sealing pipe.

Preferably, the centers of the buffer tube, the buffer round block, the sealing tube, the flow dividing plate and the flow collecting tube are positioned on the same axis.

Preferably, the diversion holes on the collecting pipe and the diversion openings on the diversion plate are distributed in a staggered mode, and the baffle and the circle center of the collecting pipe are located on the same axis.

Preferably, the separator comprises a connecting ring on the same axis as the buffer tube, a split-flow rod with a "+" structure, and a supporting rod mounted on the split-flow rod, wherein one end of the supporting rod is attached to the surface of the buffer round block.

Preferably, the valve body is provided with an input pipe and an output pipe, the input pipe is provided with a convex pipe with an integrated structure, the outer side of the convex pipe is provided with a fastening ring, one end of the buffer pipe is provided with a sleeve pipe and a positioning pipe which are positioned on the same axis, and the sleeve pipe is arranged on the outer side of the positioning pipe.

Preferably, the outer diameter of the positioning pipe is the same as the inner diameter of the convex pipe, the outer diameter of the convex pipe is the same as the inner diameter of the sleeve pipe, a thread groove is formed in the side face of the fastening ring, the outer diameter of the sleeve pipe is the same as the inner diameter of the fastening ring, the sleeve pipe is connected with the convex pipe through thread screwing, and the fastening ring is connected with the sleeve pipe through thread screwing.

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

according to the utility model, the buffer tube has the functions of shunting and filtering fluid, the function of reducing fluid scouring force is realized, the buffer round block plays the role of shunting fluid, the fluid shunts and flows from the bell mouth runner, the scouring force of the fluid is reduced, the shunting plate and the baffle play the roles of further shunting the fluid and filtering the fluid, the fluid passes through the shunting port and the shunting hole, the shunting function is realized, the shunting plate and the baffle play the role of filtering high-hardness large-particle impurities, and the damage caused by the sealing performance of the scouring valve of the fluid is avoided.

Drawings

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

FIG. 2 is a schematic perspective view of a buffer tube of the present utility model;

FIG. 3 is a schematic cross-sectional structural view of a buffer tube of the present utility model;

FIG. 4 is a schematic side view of the header of the present utility model;

in the figure: 1. a valve body; 2. a buffer tube; 4. buffering round blocks; 5. sealing the tube; 6. a diverter plate; 7. a connecting column; 8. collecting pipes; 11. a convex tube; 21. a positioning tube; 22. a sleeve; 31. a connecting ring; 32. a diverter rod; 33. a supporting rod; 41. a flare flow passage; 61. a shunt port; 81. a baffle; 111. a fastening ring; 811. and a diversion hole.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1 to 4, the present utility model provides a technical solution: the corrosion-resistant stop valve comprises a valve body 1 and a detachable buffer tube 2, wherein the buffer tube 2 is connected with the valve body 1 in a combined mode, and the buffer tube 2 is detached and replaced; the buffer tube 2 is internally provided with a buffer round block 4, a sealing tube 5, a flow dividing plate 6, a collecting pipe 8, a connecting column 7 and a separating piece which are arranged between the flow dividing plate 6 and the collecting pipe 8 in parallel, when the buffer tube 2 is arranged, a positioning tube 21 is embedded into a convex tube 11, a sleeve 22 is sleeved outside the convex tube 11, a fastening ring 111 is rotated, the fastening ring 111 plays a role of fastening the sleeve 22, the buffer tube 2 is connected in a simple mode, and the buffer tube 2 is convenient to disassemble and assemble; the horn mouth runner 41 is arranged on the buffer round block 4, one end of the horn mouth runner 41 is wide, the other end of the horn mouth runner 41 is narrow, when fluid flows, the buffer round block 4 plays a role in shunting fluid, the fluid flows in a shunting way from the horn mouth runner 41, the fluid enters from the wide end of the horn mouth runner 41 and flows out from the narrow end, the fluid is shunted, the flushing force of the fluid is reduced, the uniformly distributed shunt ports 61 are arranged on the shunt plate 6, the baffle 81 is arranged on the collecting pipe 8, the uniformly distributed shunt holes 811 are arranged on the baffle 81, the shunt plate 6 and the baffle 81 play a role in further shunting the fluid and filtering the fluid, the fluid passes through the shunt ports 61 and the shunt holes 811 to realize the shunting effect, and the shunt plate 6 and the baffle 81 play a role in filtering high-hardness large-particle impurities, so that the valve sealing performance is avoided, and damage is caused.

In this embodiment, the buffer tube 2 and the seal tube 5 are hollow, so that fluid flow is not affected, the outer diameters of the buffer round block 4 and the seal tube 5 are the same, the outer diameter of the buffer round block 4 is the same as the inner diameter of the buffer tube 2, and the buffer round block 4 and the seal tube 5 are convenient to install.

In this embodiment, the external diameters of the flow dividing plate 6 and the flow collecting pipe 8 are the same, which is beneficial to installing the flow dividing plate 6 and the flow collecting pipe 8 in the sealing pipe 5, the external diameter of the flow dividing plate 6 is the same as the internal diameter of the sealing pipe 5, and the circle centers of the buffer pipe 2, the buffer round block 4, the sealing pipe 5, the flow dividing plate 6 and the flow collecting pipe 8 are positioned on the same axis, so that the installation of the buffer round block 4, the sealing pipe 5, the flow dividing plate 6 and the flow collecting pipe 8 is accurate.

In this embodiment, the diversion holes 811 on the collecting pipe 8 and the diversion holes 61 on the diversion plate 6 are distributed in a staggered manner, so that fluid can be evenly diverted, the collecting pipe 8 and the diversion plate 6 play roles in filtering and diverting fluid, and the baffle 81 and the center of the collecting pipe 8 are located on the same axis.

In this embodiment, the partition member includes a connecting ring 31 on the same axis as the buffer tube 2, a split rod 32 with a "+" structure, and a supporting rod 33 mounted on the split rod 32, where the split rod 32 plays a role in primary splitting of fluid, the cross section of the split rod 32 is in an airfoil shape, so that the water flow is smooth, the flushing force of the fluid is reduced, and one end of the supporting rod 33 is attached to the surface of the buffer round block 4.

In this embodiment, be equipped with input tube and output tube on the valve body 1, be equipped with the protruding pipe 11 of integral structure on the input tube, the outside of protruding pipe 11 is equipped with fastening ring 111, be equipped with sleeve pipe 22 and locating tube 21 on the same axis on the one end of buffer tube 2, during buffer tube 2 installation, inside the embedding of locating tube 21 protruding pipe 11, sleeve pipe 22 cover is established in the outside of protruding pipe 11, rotatory fastening ring 111, fastening ring 111 plays the effect of fastening sleeve pipe 22, the connected mode of buffer tube 2 is simple, be convenient for dismouting buffer tube 2, sleeve pipe 22 installs in the outside of locating tube 21, the external diameter of locating tube 21 is the same with the internal diameter of protruding pipe 11, the external diameter of protruding pipe 11 is the same with the internal diameter of sleeve pipe 22, the side of fastening ring 111 is equipped with the screw groove, the external diameter of sleeve pipe 22 is the same with the internal diameter of fastening ring 111, sleeve pipe 22 and protruding pipe 11 pass through the screw thread and close the connection, connect through the screw thread close between fastening ring 111 and the sleeve pipe 22, the connected mode of buffer tube 2 is simple, be convenient for dismouting buffer tube 2.

In summary, the buffer tube 2 has the functions of diverting and filtering fluid, and reducing the flushing force of the fluid, the buffer tube 2 is connected with the valve body 1 in a combined manner, the buffer tube 2 is replaced in a detachable manner, the buffer round block 4 plays the role of diverting the fluid, the fluid is diverted from the flared flow channel 41, the fluid enters from the wide end of the flared flow channel 41 and flows out from the narrow end, the fluid is diverted, the flushing force of the fluid is reduced, the splitter plate 6 and the baffle 81 play the roles of diverting the fluid further and filtering the fluid, the fluid passes through the splitter hole 61 and the splitter hole 811, the splitting effect is realized, and the splitter plate 6 and the baffle 81 play the role of filtering high-hardness large-particle impurities, so that the flushing valve tightness is avoided, and damage is caused.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a corrosion-resistant stop valve, includes valve body (1) and dismantled and assembled buffer tube (2), its characterized in that: the buffer tube (2) is internally provided with a buffer round block (4), a sealing tube (5), a shunt assembly and a partition piece, wherein a bell mouth runner (41) is arranged on the buffer round block (4), the shunt assembly comprises a shunt plate (6), a collecting pipe (8) and a connecting column (7) which is arranged between the shunt plate (6) and the collecting pipe (8) in parallel, shunt ports (61) which are uniformly distributed are formed in the shunt plate (6), a baffle plate (81) is arranged on the collecting pipe (8), and shunt holes (811) which are uniformly distributed are formed in the baffle plate (81).

2. A corrosion resistant shut-off valve as set forth in claim 1, wherein: the buffer tube (2) and the sealing tube (5) are of hollow structures, the outer diameters of the buffer round block (4) and the sealing tube (5) are the same, and the outer diameter of the buffer round block (4) is the same as the inner diameter of the buffer tube (2).

3. A corrosion resistant shut-off valve as set forth in claim 1, wherein: the outer diameters of the flow dividing plate (6) and the collecting pipe (8) are the same, and the outer diameter of the flow dividing plate (6) is the same as the inner diameter of the sealing pipe (5).

4. A corrosion resistant shut-off valve as set forth in claim 1, wherein: the circle centers of the buffer tube (2), the buffer round block (4), the sealing tube (5), the flow dividing plate (6) and the flow collecting tube (8) are positioned on the same axis.

5. A corrosion resistant shut-off valve as set forth in claim 1, wherein: the diversion holes (811) on the collecting pipe (8) and the diversion openings (61) on the diversion plate (6) are distributed in a staggered mode, and the baffle (81) and the circle center of the collecting pipe (8) are located on the same axis.

6. A corrosion resistant shut-off valve as set forth in claim 1, wherein: the separator comprises a connecting ring (31) which is positioned on the same axis as the buffer tube (2), a split rod (32) with a "+" structure and a supporting rod (33) which is arranged on the split rod (32), wherein one end of the supporting rod (33) is attached to the surface of the buffer round block (4).

7. A corrosion resistant shut-off valve as set forth in claim 1, wherein: be equipped with input tube and output tube on valve body (1), be equipped with protruding pipe (11) of integral structure on the input tube, the outside of protruding pipe (11) is equipped with fastening ring (111), be equipped with sleeve pipe (22) and locating tube (21) on same axis on the one end of buffer tube (2), the outside at locating tube (21) is installed to sleeve pipe (22).

8. The corrosion resistant shut-off valve of claim 7, wherein: the outer diameter of the positioning pipe (21) is the same as the inner diameter of the convex pipe (11), the outer diameter of the convex pipe (11) is the same as the inner diameter of the sleeve pipe (22), a thread groove is formed in the side face of the fastening ring (111), the outer diameter of the sleeve pipe (22) is the same as the inner diameter of the fastening ring (111), the sleeve pipe (22) is connected with the convex pipe (11) through threaded screwing, and the fastening ring (111) is connected with the sleeve pipe (22) through threaded screwing.