CN220706434U - Stop valve convenient to clearance - Google Patents

Abstract

The utility model belongs to the technical field of stop valves, in particular to a stop valve convenient to clean, which comprises a valve body; the valve is characterized in that a valve cover is arranged on the upper part of the valve body, a threaded hole is formed in the upper end of the valve cover, a rotating shaft is arranged in the valve body and the valve cover, the lower end of the rotating shaft extends to the inside of the valve body, a pressing plate is rotatably arranged, a sealing cover is fixedly arranged at the lower part of the pressing plate, a sealing groove is formed in the bottom of the valve body, a mounting hole is formed in the bottom of the valve body, a filter plate is fixedly arranged in the mounting hole, a water inlet kettle is fixedly arranged at the lower part of the valve body, a hemispherical connecting pipe is rotatably arranged in the water inlet kettle, a sealing pipe is welded at the bottom of the water inlet kettle, a drainage port is formed in one side of the sealing pipe, a drain pipe is fixedly arranged on the drainage port, a drainage pipe is welded at the bottom of the hemispherical connecting pipe, and a drainage hole is formed in one side of the drainage pipe, and the bottom of the drainage pipe extends to the outside of the sealing pipe; through this setting, need not to dismantle the valve and just can clean the inside impurity of valve.

Description

Stop valve convenient to clearance

Technical Field

The utility model relates to the technical field of stop valves, in particular to a stop valve convenient to clean.

Background

The stop valve is widely applied to various fields, is popular because the friction force between sealing surfaces in the opening and closing process is small, the stop valve is durable, the opening height is small, the stop valve is easy to manufacture and convenient to maintain, and is suitable for medium and low pressure and high pressure;

the closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve lever, so that medium circulation is prevented;

impurities are extremely easy to generate below a valve clack of a stop valve used in the market, the stop valve is blocked when the impurities are accumulated to a certain amount, maintenance and cleaning are required to be carried out after the stop valve is removed, and the mode is excessively complicated and the maintenance cost is high; therefore, a stop valve convenient to clean is provided for the problems.

Disclosure of Invention

In order to make up the defects of the prior art, impurities are extremely easy to generate below a valve clack of a stop valve used in the market, the stop valve is blocked when the impurities are accumulated to a certain amount, maintenance and cleaning are required to be carried out after the stop valve is removed, and the problems of excessively complicated mode and high maintenance cost are solved.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to a stop valve convenient to clean, which comprises a valve body; the valve is characterized in that a water outlet hole is formed in one side of the valve body, a water outlet pipe is welded on one side of the valve body, a flange ring is welded on the top of the valve body, a valve cover is arranged on the upper portion of the valve body, a silica gel gasket is arranged between the valve body and the valve cover, the flange ring is welded on the bottom of the valve cover, the valve body and the valve cover are fixedly connected through bolts, a threaded hole is formed in the upper end of the valve cover, a rotating shaft is provided with a rotating shaft in the valve cover, the rotating shaft is matched with the threaded hole in the valve cover to rotate, a handle is fixedly arranged on the upper end of the rotating shaft, the lower end of the rotating shaft extends to the inside of the valve body, a pressing plate is rotatably arranged on the lower portion of the pressing plate, a sealing cover is fixedly arranged on the lower portion of the pressing plate, a sealing groove is formed in the bottom of the valve body, a mounting hole is formed in the bottom of the valve body, a filter plate is fixedly arranged on the lower portion of the valve body, a hemispherical connecting pipe is fixedly arranged on one side of the hemispherical connecting hole, a connecting pipe is welded on the other side of the hemispherical connecting hole, a connecting hole is welded on the other side of the hemispherical connecting pipe, a connecting hole is welded on the end of the hemispherical connecting pipe, the hemispherical connecting pipe is welded on the end of the sealing hole, the sealing hole is welded on one side of the sealing hole, a sealing hole is formed in the sealing hole, and the sealing hole is sealed bottom of the sealing hole and the sealing hole.

Preferably, the sealing plate is fixedly arranged in the upper part of the valve body, a hole is formed in the middle of the sealing plate, the lower end of the rotating shaft is slidably arranged in the hole, and the sealing plate is arranged, so that the phenomenon that liquid in the valve body overflows through the valve cover to cause leakage is avoided.

Preferably, the valve body is provided with a vertical chute on one side inner wall, a limit rod is fixedly arranged on one side of the pressing plate adjacent to the chute, one end of the limit rod is slidably arranged in the chute, the limit rod is arranged, and when the rotating shaft is prevented from rotating, the needle head on the sealing cover rotates along with the rotating shaft.

Preferably, the needle is fixedly arranged at the lower part of the sealing cover, and the needle corresponds to the filtering holes on the filter plate, and is arranged to prevent impurity particles from blocking the filtering holes on the filter plate and affecting the flow rate of liquid.

Preferably, the hemispherical connecting pipe is provided with a funnel-shaped hole, one side of the hemispherical connecting pipe is provided with a water inlet hole, the bottom of the hemispherical connecting pipe is communicated with the bleeder pipe, when the hemispherical connecting pipe is communicated with the water inlet pipe, liquid passes through the hemispherical connecting pipe and enters the valve body, when the hemispherical connecting pipe rotates, the water inlet pipe is separated from the valve body, and when impurities are prevented from being discharged, the liquid in the water inlet pipe is discharged along with the impurities, so that leakage is caused.

Preferably, the bleeder is rotated in the sealing tube, the bottom of the bleeder is closed, the upper end face is inclined, the downward inclined end is positioned in the bleeder hole, the water inlet is consistent with the direction of the bleeder, a wrench is fixedly arranged at the bottom end of the bleeder, the wrench is arranged, the bleeder is rotated, the bleeder is aligned with the bleeder on the sealing tube, and impurities in the bleeder are discharged through the bleeder.

The utility model has the advantages that:

1. according to the utility model, when liquid passes through the water inlet pipe, enters the water inlet kettle, passes through the hemispherical connecting pipe, upwards passes through the filter plate, enters the valve body, and is conveyed through the water outlet pipe, impurities carried in the liquid in the process are filtered through the filter plate, remain in the hemispherical connecting pipe, and precipitate falls to the bottom of the water outlet pipe, when the stop valve is cleaned, the handle is rotated, the handle drives the rotating shaft to rotate, the rotating shaft moves downwards under the cooperation of the threads and the threaded holes, the pressing plate is pushed to press the sealing cover into the sealing groove, the stop valve is closed, the needle slides into the filtering hole of the filter plate to clean impurities in the filtering hole, the impurities fall to the bottom of the water outlet pipe, the wrench is rotated, the water inlet hole of the water inlet kettle is closed until the water outlet hole is communicated with the water outlet hole, and the impurities in the water outlet pipe are discharged out of the valve body through the water outlet pipe, the function of rapidly cleaning impurities in the stop valve is realized, impurities are extremely easily generated below the valve clack of the stop valve used in the market, the stop valve is blocked when the impurities are accumulated to a certain amount, maintenance and cleaning is required after the stop valve is removed, the stop valve is excessively complicated, the problem of high maintenance cost is avoided, and the stop valve is avoided, and the accumulation cost is reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic view of a water outlet structure;

FIG. 2 is a schematic view of the water inlet end structure;

FIG. 3 is a schematic view of an internal cross-sectional structure;

FIG. 4 is a schematic diagram of a hemispherical connecting pipe connection structure;

fig. 5 is a schematic view of a connection structure of the rotating shaft.

In the figure: 1. a valve body; 2. a connecting flange; 3. a bolt; 4. a valve cover; 5. a rotating shaft; 6. a handle; 7. a wrench; 8. a blow-down pipe; 9. sealing the tube; 10. a sealing plate; 11. a pressing plate; 12. sealing cover; 13. a limit rod; 14. a needle; 15. a filter plate; 16. a hemispherical connection pipe; 17. feeding water into a kettle; 18. a bleeder tube; 19. and a silica gel gasket.

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.

Referring to fig. 1-5, a shutoff valve for cleaning comprises a valve body 1; the valve body 1 is provided with a water outlet hole on one side and is welded with a water outlet pipe, the top of the valve body 1 is welded with a flange ring, the upper part of the valve body 1 is provided with a valve cover 4, a silica gel gasket 19 is arranged between the valve body 1 and the valve cover 4, the bottom of the valve cover 4 is welded with the flange ring, the valve body 1 and the valve cover 4 are fixedly connected through a bolt 3, the upper end of the valve cover 4 is provided with a threaded hole, the valve body 1 and the valve cover 4 are internally provided with a rotating shaft 5, the upper end of the rotating shaft 5 is provided with threads, the rotating shaft 5 is rotatably arranged in the valve cover 4 through the matching of the threads and the threaded hole in the valve cover 4, the upper end of the rotating shaft 5 is fixedly provided with a handle 6, the lower end of the rotating shaft 5 extends into the valve body 1 and is rotatably provided with a pressing plate 11, the sealing cover 12 is fixedly arranged at the lower part of the pressing plate 11, a sealing groove is formed in the inner bottom of the valve body 1, a mounting hole is formed in the bottom of the valve body 1, a filter plate 15 is fixedly arranged in the mounting hole, a water inlet kettle 17 is fixedly arranged at the lower part of the valve body 1, a connecting hole is formed in one side of the water inlet kettle 17, a water inlet pipe is welded, connecting flanges 2 are welded at the end parts of the water inlet pipe and the water outlet pipe, a hemispherical connecting pipe 16 is rotatably arranged in the water inlet kettle 17, a sealing pipe 9 is welded at the bottom of the water inlet kettle 17, a drainage port is formed in one side of the sealing pipe 9, a drain pipe 8 is fixedly arranged on the drainage port, a drainage pipe 18 is welded at the bottom of the hemispherical connecting pipe 16, a drainage hole is formed in one side of the drainage pipe 18, and the bottom end of the drainage pipe 18 extends to the outside of the sealing pipe 9; when the check valve is connected with a pipeline, a water inlet pipe and a water outlet pipe of the check valve are respectively and fixedly connected with pipelines on two sides through a connecting flange 2, after the connection is completed, a pipeline on one side of the water inlet pipe conveys liquid to the water inlet pipe, the liquid enters a hemispherical connecting pipe 16 through a connecting hole of a water inlet kettle 17, the impurity is mixed in the liquid, a handle 6 is rotated, a rotating shaft 5 is driven to rotate, the rotating shaft 5 pulls a needle 14, a sealing cover 12 and a pressing plate 11 to move upwards, a limiting rod 13 slides in a chute, the check valve is opened, the liquid enters the valve body 1 upwards through a filter plate 15 under the action of flowing, the mixed impurity in the liquid is reacted with the filter plate 15, the liquid is separated and left in the hemispherical connecting pipe 16, then the liquid enters the pipeline at the other side from the water outlet pipe to be conveyed, the liquid in the valve body 1 is blocked in the valve body 1 under the action of the flowing pressure and upwards under the action of the sealing plate 10, when the outflow amount of the liquid in the pipeline connected at the other side is reduced after the valve body 1 is opened for a long time, impurities in the stop valve need to be cleaned, the handle 6 is rotated to close the stop valve, when the needle 14 falls down to the filter plate 15, the needle 14 enters the filter hole to remove small impurity particles blocked in the filter hole, the filter hole is cleaned, then the wrench 7 is rotated to enable the hemispherical connecting pipe 16 and the drain pipe 18 to rotate in the water inlet kettle 17 and the sealing pipe 9 respectively, the connecting hole is closed, the liquid in the water inlet pipe is blocked from flowing into the hemispherical connecting pipe 16, the drain hole of the drain pipe 18 is communicated with the drain hole on the sealing pipe 9, the liquid mixed with impurities in the hemispherical connecting pipe 16 and the drain pipe 18 is automatically discharged from the drain pipe 8, and impurities in the stop valve are cleaned, so that the stop valve does not need to be disassembled and cleaned.

A sealing plate 10 is fixedly arranged in the upper part of the valve body 1, a hole is formed in the middle of the sealing plate 10, and the lower end of the rotating shaft 5 is slidably arranged in the hole; when the valve body 1 is opened, liquid flows in the valve body 1, the valve body 1 is filled with liquid, the liquid is upwards under the action of water pressure, the sealing plate 10 seals the interior of the valve body 1, and the liquid is prevented from overflowing upwards through the threaded hole of the valve cover 4, so that leakage is caused.

A vertical chute is formed in the inner wall of one side of the valve body 1, a limiting rod 13 is fixedly arranged on one side, adjacent to the chute, of the pressing plate 11, and one end of the limiting rod 13 is slidably arranged in the chute; when the needle is in operation, the handle 6 is rotated to enable the rotating shaft 5 to rotate, the rotating shaft 5 moves up and down, the limiting rod 13 slides up and down in the chute, and the pressing plate 11 moves up and down at the same time, so that the needle 14 always keeps not rotating.

A needle 14 is fixedly arranged at the lower part of the sealing cover 12, and the needle 14 corresponds to a filtering hole on the filtering plate 15; when the stop valve is closed in operation, the sealing cover 12 falls into the sealing groove to close the valve body 1, the needle 14 enters the filtering hole of the filtering plate 15, impurities clamped in the filtering hole are cleaned, and the impurities fall into the hemispherical connecting pipe 16.

A funnel-shaped hole is formed in the hemispherical connecting pipe 16, a water inlet hole is formed in one side of the hemispherical connecting pipe 16, and the bottom of the hemispherical connecting pipe 16 is communicated with the bleeder 18; when the water inlet hole is communicated with the connecting hole in operation, liquid enters the hemispherical connecting pipe 16 through the water inlet pipe and upwards enters the valve body 1, and when the hemispherical connecting pipe 16 rotates to enable the connecting hole to be closed, the liquid in the water inlet pipe is isolated.

The drain pipe 18 rotates in the sealing pipe 9, the bottom of the drain pipe 18 is closed, the upper end face is inclined, the downward inclined end is positioned in the drain hole, the water inlet hole is consistent with the drain hole in direction, and the wrench 7 is fixedly arranged at the bottom end of the drain pipe 18; when the stop valve is closed, the drain pipe 18 and the hemispherical connecting pipe 16 are rotated by the wrench 7, so that the hemispherical connecting pipe 16 isolates liquid in the hemispherical connecting pipe from impurities and liquid in the water inlet pipe, and meanwhile, a drain hole on the drain pipe 18 is communicated with a drain hole on the sealing pipe 9, so that the liquid mixed with the impurities is discharged through the drain pipe 8.

The working principle is that impurities are easy to generate below the valve clack of a stop valve used in the market, when the impurities are accumulated to a certain amount, the stop valve is blocked, the stop valve is required to be disassembled for maintenance and cleaning, the mode is excessively complicated and the maintenance cost is high, when the stop valve is connected with a pipeline, a water inlet pipe and a water outlet pipe of the stop valve are respectively and fixedly connected with pipelines on two sides through a connecting flange 2, after the connection is completed, a pipeline on one side of the water inlet pipe conveys liquid to the water inlet pipe, the liquid enters a hemispherical connecting pipe 16 through a connecting hole of a water inlet kettle 17, the impurities are mixed in the liquid, a handle 6 is rotated, a rotating shaft 5 is driven to rotate, the rotating shaft 5 pulls a needle 14, a sealing cover 12 and a pressing plate 11 to move upwards, a limiting rod 13 slides in a chute, the stop valve is opened, the liquid enters the valve body 1 upwards through a filter plate 15 under the flowing action, and the mixed impurities in the liquid are under the action of the filter plate 15, the liquid is separated and left in the hemispherical connecting pipe 16, then the liquid enters the pipeline at the other side from the water outlet pipe to be conveyed, the liquid in the valve body 1 is blocked in the valve body 1 under the action of the flowing pressure and upwards under the action of the sealing plate 10, when the outflow amount of the liquid in the pipeline connected at the other side is reduced after the valve body 1 is opened for a long time, impurities in the stop valve need to be cleaned, the handle 6 is rotated to close the stop valve, when the needle 14 falls down to the filter plate 15, the needle 14 enters the filter hole to remove small impurity particles blocked in the filter hole, the filter hole is cleaned, then the wrench 7 is rotated to enable the hemispherical connecting pipe 16 and the drain pipe 18 to rotate in the water inlet kettle 17 and the sealing pipe 9 respectively, the connecting hole is closed, the liquid in the water inlet pipe is blocked from flowing into the hemispherical connecting pipe 16, the drain hole of the drain pipe 18 is communicated with the drain hole on the sealing pipe 9, the liquid that mixes the impurity in hemisphere connecting pipe 16 and the bleeder 18 is from blow off pipe 8 automatic discharge, and the inside impurity of stop valve obtains the clearance, need not dismantle the clearance to the stop valve, and after impurity discharge, rotation spanner 7 closes the bleeder mouth, opens the connecting hole simultaneously, makes in the inlet tube liquid follow flow hemisphere connecting pipe 16, then rotates handle 6 and opens the stop valve, makes liquid follow current, and the clearance stop valve of next time is repeated above-mentioned can.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (6)

1. Stop valve convenient to clearance, its characterized in that: comprises a valve body (1); the utility model discloses a water inlet kettle, including valve body (1), valve gap (4), valve body (1) top welding has the flange ring, valve body (1) upper portion is provided with valve gap (4), be provided with silica gel packing ring (19) between valve gap (4), the flange ring has been welded to valve gap (4) bottom, through bolt (3) fixed connection between valve body (1) and valve gap (4), threaded hole has been opened to valve gap (4) upper end, be provided with pivot (5) in valve body (1) and valve gap (4), threaded hole in pivot (5) upper end is opened and is threaded, pivot (5) are installed in valve gap (4) through the screw hole cooperation rotation in screw thread and valve gap (4), pivot (5) upper end fixed mounting has handle (6), pivot (5) lower extreme extends to valve body (1) inside, and rotates and install clamp plate (11), seal lid (12) are installed to the lower part fixed mounting, valve body (1) bottom is opened there is threaded hole, bottom (1) is opened the hole, install seal groove (17) and is connected with water inlet kettle (17) in one side, water inlet kettle (17), the water inlet kettle (17) is internally rotated and is provided with a hemispherical connecting pipe (16), the bottom of the water inlet kettle (17) is welded with a sealing pipe (9), one side of the sealing pipe (9) is provided with a drainage port, a drain pipe (8) is fixedly arranged on the drainage port, the bottom of the hemispherical connecting pipe (16) is welded with a drainage pipe (18), one side of the drainage pipe (18) is provided with a drainage hole, and the bottom end of the drainage pipe (18) extends to the outside of the sealing pipe (9).

2. A shut-off valve for facilitating cleaning as defined in claim 1, wherein: the sealing device is characterized in that a sealing plate (10) is fixedly arranged in the upper part of the valve body (1), a hole is formed in the middle of the sealing plate (10), and the lower end of the rotating shaft (5) is slidably arranged in the hole.

3. A shut-off valve for facilitating cleaning as defined in claim 1, wherein: a vertical sliding groove is formed in the inner wall of one side of the valve body (1), a limiting rod (13) is fixedly arranged on one side, adjacent to the sliding groove, of the pressing plate (11), and one end of the limiting rod (13) is slidably arranged in the sliding groove.

4. A shut-off valve for facilitating cleaning as defined in claim 1, wherein: the lower part of the sealing cover (12) is fixedly provided with a needle head (14), and the needle head (14) corresponds to a filtering hole on the filtering plate (15).

5. A shut-off valve for facilitating cleaning as defined in claim 1, wherein: the hemispherical connecting pipe (16) is provided with a funnel-shaped hole, one side of the hemispherical connecting pipe is provided with a water inlet, and the bottom of the hemispherical connecting pipe (16) is communicated with the bleeder pipe (18).

6. A shut-off valve for facilitating cleaning as defined in claim 1, wherein: the drainage pipe (18) rotates in the sealing pipe (9), the bottom of the drainage pipe (18) is closed, the upper end face of the drainage pipe is inclined, the downward inclined end of the drainage pipe is positioned in the drainage hole, the water inlet hole is consistent with the drainage hole in direction, and a spanner (7) is fixedly arranged at the bottom end of the drainage pipe (18).