CN212899907U

CN212899907U - Filtering ball valve with sewage discharge function

Info

Publication number: CN212899907U
Application number: CN202021556153.1U
Authority: CN
Inventors: 林道岳
Original assignee: Taizhou Taigeer Hvac Technology Co ltd
Current assignee: Taizhou Taigeer Hvac Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-06
Anticipated expiration: 2030-07-31

Abstract

The utility model provides a filter ball valve with blowdown function belongs to the valve and makes technical field. It has solved current strainer valve and has not possessed quick blowdown function, uses inconvenient problem. This filter ball valve with blowdown function, the water inlet pipe joint has on the valve body, the outlet pipe connects, the filter seat of the tube-shape that the slope set up has on the outlet pipe joint, the annular that the slope set up has in the outlet pipe joint filters the step, filter and wear to be equipped with the cartridge filter that is used for the interior water filtration of outlet pipe joint with the axial between the step, be provided with between cartridge filter and the filter seat and enable the cartridge filter connection structure of cartridge filter internal axial fixity assembly, still be provided with the blowdown return bend that is used for the evacuation cartridge filter internal filter thing on the filter seat, this blowdown return bend and filter seat loose joint, be equipped with the valve accuse device that is used for controlling the blowdown return bend to open or close on the blowdown. The utility model discloses have the blowdown function, can conveniently operate the blowdown fast, the blowdown is effectual, convenient to use.

Description

Filtering ball valve with sewage discharge function

Technical Field

The utility model belongs to the technical field of the valve is made, a filter valve is related to, in particular to filter ball valve with blowdown function.

Background

The filter valve is usually installed at the inlet end of the hydraulic control valve, the pressure reducing valve, the pressure relief valve, the constant water level valve and other devices, and is used for eliminating impurities in the medium and preventing granular impurities from entering the channel to cause blockage so as to protect the devices on the pipeline.

Of course, in daily life, the filter valve can be used for removing impurities in tap water and improving the quality of domestic water. For example, chinese patent literature discloses a filter valve [ application No.: 02265825.4, respectively; authorization notice number: CN2568273Y ], which comprises a body with a water purifying cavity, and a water inlet pipe and a water outlet pipe connected with the body, wherein the water inlet pipe and the water outlet pipe are both communicated with the water purifying cavity, the body is provided with a detachable cover connected with the body, the water purifying cavity is provided with a mesh filter element, the water inlet hole of the filter element is communicated with the water inlet pipe, and the water outlet hole of the filter element is communicated with the water outlet pipe.

The filter valve is simple in structure and good in filtering effect, but the filter valve does not have a quick sewage discharge function, and when the filter valve is used for a long time, filter matters are accumulated in the filter valve, so that the filtering effect is influenced, and the filter valve is inconvenient to use.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide one kind and have quick blowdown function, the filter effect is good, convenient dismantlement, assembly, convenient to use's filtration ball valve with blowdown function.

The purpose of the utility model can be realized by the following technical proposal: a filtering ball valve with a sewage discharge function comprises a valve body, wherein a water inlet pipe joint and a water outlet pipe joint are arranged on the valve body, the water inlet pipe joint and the water outlet pipe joint are axially communicated, a valve core is arranged in the valve body between the water inlet pipe joint and the water outlet pipe joint, the water outlet pipe joint is provided with a cylindrical filtering seat which is obliquely arranged, the water outlet pipe joint is internally provided with an annular filtering step which is obliquely arranged, the filtering seat and the annular filtering step are axially distributed, a filtering cylinder which is used for filtering the water outlet pipe joint is coaxially arranged between the filtering seat and the annular filtering step in a penetrating way, a connecting structure which can ensure that the filtering cylinder is axially fixedly assembled in the filtering seat is arranged between the filtering cylinder and the filtering seat, the filtering seat is also provided with a sewage discharge elbow which is used for emptying the filtered matter in the filtering cylinder, and the sewage discharge elbow is movably connected with the, and the sewage bent pipe is provided with a valve control device for controlling the opening or closing of the sewage bent pipe.

This filter ball valve with blowdown function sets up the blowdown return bend, can blow off through the blowdown return bend, sets up valve accuse device on the blowdown return bend, and the operation is opened or is closed to the blowdown return bend to accessible valve accuse device, can carry out blowdown operation at any time, can in time blowdown, and convenient to use, this blowdown return bend and filter seat loose joint make things convenient for the assembly, the dismantlement of filter ball valve, convenient assembling.

In foretell filter ball valve with blowdown function, connection structure include the switching cover, the inner of switching cover have flaring cover portion with the axial internal extension, switching cover and flaring cover portion between form interior annular step, the external diameter size of flaring cover portion and the internal diameter size adaptation of filtering the seat, the outer wall of flaring cover portion on be provided with the external screw thread, the inner wall of filtering the seat on be provided with the internal thread, the external screw thread screwed connection of flaring cover portion on the internal thread of filtering the seat, the cartridge filter with axially wear to locate in the flaring cover portion, the inner axial of this cartridge filter supports and leans on annular filter step, the outer end axial of this cartridge filter supports and leans on including annular step. The cartridge filter is more stable in the filter seat assembly structure, and the filter effect is better, long service life.

In foretell filter ball valve with blowdown function, the outer wall between adapter sleeve and the flaring cover portion on have the edge of turning up, the terminal surface of the mating end on edge of turning up on link firmly the rubber ring through the mode of vulcanizing, when flaring cover portion screwed connection was on filtering the seat, should turn up along the outer terminal surface axial that passes through the rubber ring and filter the seat and support and lean on sealed cooperation. The purpose of this setting is can guarantee the sealed validity between flaring cover portion and the filter seat, and structural stability is high.

In the filtering ball valve with the sewage discharge function, the upper pipe part of the sewage discharge elbow pipe is sleeved with the movable connecting sleeve, the outer diameter of the upper pipe part of the sewage elbow pipe is matched with the inner diameter of the adapter sleeve, the upper pipe part of the sewage elbow pipe is arranged in the adapter sleeve in a penetrating way and extends to the inner annular step, the inner wall of the movable connecting sleeve is provided with an internal thread, the outer wall of the adapter sleeve is provided with an external thread, the internal thread of the movable connecting sleeve is spirally connected with the external thread of the adapter sleeve, the movable connecting sleeve is internally provided with an elastic ring which is movably arranged, when the movable connecting sleeve is spirally connected with the switching sleeve, the movable connecting sleeve and the switching sleeve are matched with each other to extrude the elastic ring, so that the elastic ring deforms and acts on the outer wall of the upper pipe part of the sewage elbow, the upper pipe portion and the switching sleeve of the sewage elbow pipe form a fixed connection, and a limiting structure for preventing the upper pipe portion of the sewage elbow pipe from axially separating from the switching sleeve is further arranged between the upper pipe portion and the switching sleeve of the sewage elbow pipe. The purpose of this is: when the rotary movable sleeve makes the elastic ring not in the extrusion state, the upper pipe part and the adapter sleeve of the sewage elbow pipe can be circumferentially and rotatably adjusted, so that the assembly space of the sewage elbow pipe is conveniently distributed, and the use is convenient.

In foretell filter ball valve with blowdown function, limit structure include that the mouth of pipe of the upper tube portion of blowdown return bend expands outward and handles the flaring portion that forms the taper, interior annular step on have a toper platform, the toper platform axial of this flaring portion and interior annular step supports to lean on the cooperation. This flaring portion accessible props equipment outward and carries out the mouth of pipe and expand the processing outward, and the purpose that sets up like this can prevent effectively that the last pipe portion axial of blowdown return bend from the switching cover, and structural stability is high.

In foretell filter ball valve with blowdown function, valve accuse device include one-way ball valve, the outer wall of the lower tube portion of blowdown return bend on be equipped with the external screw thread, one-way ball valve's water supply connector's inner wall on be provided with the internal thread, one-way ball valve's water supply connector's internal thread screwed connection on the external screw thread of the lower tube portion of blowdown return bend, one-way ball valve and blowdown return bend's lower tube portion between be provided with the sealed complex assembly structure of lower tube portion that makes one-way ball valve and blowdown return bend. The purpose of setting like this is that the opening or closing of accessible check ball valve in time control blowdown return bend, convenient to use.

In foretell filter ball valve with blowdown function, assembly structure include the stop collar, the inner wall of stop collar on be provided with the internal thread, the female thread screwed connection of stop collar in the lower pipe portion of blowdown return bend, the water supply connector axial of this stop collar and one-way ball valve supports and leans on the cooperation, the fitting surface of stop collar have inner ring groove one, the fitting surface of water supply connector of one-way ball valve have inner ring groove two, inner ring groove one, inner ring groove two axial relatively, be provided with annular seal cover between this inner ring groove one, the inner ring groove two, this annular seal cover supports through the water supply connector axial of stop collar and one-way ball valve and leans on the cooperation deformation, on the outer wall of the lower pipe portion of sealed action blowdown return bend. The purpose that sets up like this can ensure the sealed validity of water supply connector and stop collar of one-way ball valve, and sealed effect is better, and the assembly is comparatively convenient.

Compared with the prior art, this filter ball valve with blowdown function's advantage does: structural design is reasonable, have the blowdown function, can conveniently operate the blowdown fast, and the blowdown is effectual, does not influence the filter effect, and convenient assembly conveniently dismantles, structural stability is good, long service life, convenient to use.

Drawings

Fig. 1 is a schematic sectional view of the filtering ball valve with the sewage draining function.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure, 1, a valve body; 2. a water inlet pipe joint; 3. a water outlet pipe joint; 4. a valve core; 5. a filter base; 6. an annular filtering step; 7. a filter cartridge; 8. a blowdown elbow pipe; 9. a transfer sleeve; 10. a flaring sleeve portion; 11. an inner annular step; 12. turning out the edges; 13. a rubber ring; 14. a movable connecting sleeve; 15. an elastic ring; 16. a flared part; 17. a conical table; 18. a one-way ball valve; 19. a limiting sleeve; 20. and (4) an annular sealing sleeve.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and fig. 2, this filtering ball valve with pollution discharge function mainly comprises a valve body 1, a water inlet pipe connector 2 and a water outlet pipe connector 3 are provided on the valve body 1, the water inlet pipe connector 2 and the water outlet pipe connector 3 are axially communicated with each other, a valve core 4 is provided in the valve body 1 between the two, a cylindrical filtering seat 5 with an inclined arrangement is provided on the water outlet pipe connector 3, an annular filtering step 6 with an inclined arrangement is provided in the water outlet pipe connector 3, the filtering seat 5 and the annular filtering step 6 are axially distributed, a filtering cylinder 7 for filtering the outlet water in the water outlet pipe connector 3 is coaxially arranged between the filtering seat 5 and the annular filtering step 6, a connecting structure capable of axially fixing and assembling the filtering cylinder 7 in the filtering seat 5 is provided between the filtering cylinder 7 and the filtering seat 5, and in the actual manufacturing process, the specific implementation mode of the connecting: the filter cartridge is mainly composed of an adapter sleeve 9, the inner end of the adapter sleeve 9 coaxially and inwardly extends to form a flared sleeve part 10, an inner annular step 11 is formed between the adapter sleeve 9 and the flared sleeve part 10, the outer diameter of the flared sleeve part 10 is matched with the inner diameter of the filter base 5, an external thread is arranged on the outer wall of the flared sleeve part 10, an internal thread is arranged on the inner wall of the filter base 5, the external thread of the flared sleeve part 10 is spirally connected to the internal thread of the filter base 5, the filter cartridge 7 coaxially penetrates through the flared sleeve part 10, the inner end of the filter cartridge 7 axially abuts against the annular filter step 6, and the outer end of the filter cartridge 7 axially abuts against the inner annular step 11; the outer wall between the adapter sleeve 9 and the flaring sleeve part 10 is provided with an outward turning edge 12, the end surface of the matching end of the outward turning edge 12 is fixedly connected with a rubber ring 13 in a vulcanization mode, and when the flaring sleeve part 10 is spirally connected to the filter seat 5, the outward turning edge 12 is axially abutted against the sealing matching through the rubber ring 13 and the outer end surface of the filter seat 5.

The filter base 5 is also provided with a sewage elbow 8 for emptying the filter material in the filter cartridge 7, the sewage elbow 8 is movably connected with the filter base 5, and concretely speaking: the upper pipe part of the sewage bent pipe 8 is sleeved with a movable sleeve 14, the outer diameter of the upper pipe part of the sewage bent pipe 8 is matched with the inner diameter of the adapter sleeve 9, the upper pipe part of the sewage bent pipe 8 is arranged in the adapter sleeve 9 in a penetrating way and extends to the inner annular step 11, the inner wall of the movable sleeve 14 is provided with an internal thread, the outer wall of the adapter sleeve 9 is provided with an external thread, the internal thread of the movable sleeve 14 is spirally connected on the external thread of the adapter sleeve 9, the movable joint sleeve 14 is internally provided with an elastic ring 15 which is movably arranged, when the movable joint sleeve 14 is spirally connected with the adapter sleeve 9, the movable joint sleeve 14 and the adapter sleeve 9 are matched to extrude the elastic ring 15, so that the elastic ring 15 is deformed to act on the outer wall of the upper pipe part of the sewage elbow pipe 8, the upper pipe part of the sewage bent pipe 8 is fixedly connected with the adapter sleeve 9, and a limit structure for preventing the upper pipe part of the sewage bent pipe 8 from axially separating from the adapter sleeve 9 is arranged between the upper pipe part of the sewage bent pipe 8 and the adapter sleeve 9; during actual manufacturing, the specific implementation mode of the limiting structure is as follows: the sewage draining elbow pipe mainly comprises a tapered flared part 16 formed by outward-expanding the pipe orifice of the upper pipe part of the sewage draining elbow pipe 8, a tapered platform 17 is arranged on the inner annular step 11, and the flared part 16 and the tapered platform 17 of the inner annular step 11 are in axial abutting fit.

The blowdown elbow 8 is provided with a valve control device for controlling the blowdown elbow 8 to open or close, and during actual manufacturing, the specific implementation mode of the valve control device is as follows: the sewage trap mainly comprises a one-way ball valve 18, wherein an external thread is arranged on the outer wall of the lower pipe part of the sewage trap 8, an internal thread is arranged on the inner wall of a water inlet joint of the one-way ball valve 18, the internal thread of the water inlet joint of the one-way ball valve 18 is spirally connected to the external thread of the lower pipe part of the sewage trap 8, and an assembly structure which enables the one-way ball valve 18 and the lower pipe part of the sewage trap 8 to be in sealing fit is arranged between the one-way ball valve 18 and the lower; in practical application, the specific implementation of the assembly structure is as follows: mainly constitute by stop collar 19, be provided with the internal thread on the inner wall of stop collar 19, the female screw thread screwed connection of stop collar 19 is in the lower tube portion of blowdown return bend 8, this stop collar 19 and one-way ball valve 18's water supply connector axial supports and leans on the cooperation, stop collar 19's fitting surface has interior annular groove one, one-way ball valve 18's water supply connector's fitting surface has interior annular groove two, interior annular groove one, two axial facies of interior annular groove are relative, this interior annular groove one, be provided with annular seal cover 20 between the interior annular groove two, this annular seal cover 20 supports through stop collar 19 and one-way ball valve 18's water supply connector axial and leans on cooperation deformation, sealed acting on the outer wall of the lower tube portion of blowdown return.

Those not described in detail in this specification are within the skill of the art. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a filter ball valve with blowdown function, includes valve body (1), valve body (1) on have water inlet pipe connector (2), outlet pipe connector (3), water inlet pipe connector (2) and outlet pipe connector (3) axial communicate each other and be provided with case (4) in valve body (1) between the two, its characterized in that, outlet pipe connector (3) on have the tube-shape of slope setting filter seat (5), outlet pipe connector (3) in have the annular of slope setting filter step (6), should filter seat (5) and the same axial distribution of annular filter step (6), filter seat (5) and annular filter step (6) between wear to be equipped with the cartridge filter (7) that are used for outlet pipe connector (3) interior outlet water filtration with the axial, cartridge filter (7) and filter seat (5) between be provided with and enable cartridge filter (7) the fixed connection structure of assembly in the axial of filter seat (5), the filter base (5) is also provided with a sewage discharge elbow pipe (8) for emptying the filtered substances in the filter cartridge (7), the sewage discharge elbow pipe (8) is movably connected with the filter base (5), and the sewage discharge elbow pipe (8) is provided with a valve control device for controlling the sewage discharge elbow pipe (8) to be opened or closed.

2. The filtering ball valve with the pollution discharge function according to claim 1, wherein the connecting structure comprises an adapter sleeve (9), a flared sleeve portion (10) extends coaxially and inwards from the inner end of the adapter sleeve (9), an inner annular step (11) is formed between the adapter sleeve (9) and the flared sleeve portion (10), the outer diameter of the flared sleeve portion (10) is matched with the inner diameter of the filtering seat (5), an outer thread is arranged on the outer wall of the flared sleeve portion (10), an inner thread is arranged on the inner wall of the filtering seat (5), the outer thread of the flared sleeve portion (10) is spirally connected to the inner thread of the filtering seat (5), the filter cartridge (7) is coaxially arranged in the flared sleeve portion (10) in a penetrating manner, and the inner end of the filter cartridge (7) is axially abutted against the annular filtering step (6), the outer end of the filter cartridge (7) bears axially against the inner annular step (11).

3. The filtering ball valve with the pollution discharge function according to claim 2, wherein an outward turning edge (12) is arranged on the outer wall between the adapter sleeve (9) and the flaring sleeve portion (10), a rubber ring (13) is fixedly connected to the end surface of the mating end of the outward turning edge (12) in a vulcanization mode, and when the flaring sleeve portion (10) is screwed on the filter base (5), the outward turning edge (12) is axially abutted and matched with the outer end surface of the filter base (5) in a sealing mode through the rubber ring (13).

4. The filtering ball valve with the sewage draining function according to claim 3, wherein the upper pipe part of the sewage draining elbow pipe (8) is sleeved with a movable joint sleeve (14), the outer diameter of the upper pipe part of the sewage draining elbow pipe (8) is matched with the inner diameter of the adapter sleeve (9), the upper pipe part of the sewage draining elbow pipe (8) is arranged in the adapter sleeve (9) in a penetrating manner and extends to the inner annular step (11), the inner wall of the movable joint sleeve (14) is provided with an internal thread, the outer wall of the adapter sleeve (9) is provided with an external thread, the internal thread of the movable joint sleeve (14) is spirally connected to the external thread of the adapter sleeve (9), an elastic ring (15) is movably arranged in the movable joint sleeve (14), and when the movable joint sleeve (14) is spirally connected with the adapter sleeve (9), the movable joint sleeve (14) and the adapter sleeve (9) are matched to extrude the elastic ring (15), make elasticity circle (15) deformation act on the outer wall of the last pipe portion of blowdown return bend (8), the last pipe portion and switching cover (9) of this blowdown return bend (8) form and link firmly, the last pipe portion and switching cover (9) of blowdown return bend (8) between still be provided with the limit structure who prevents the last pipe portion axial of blowdown return bend (8) and break away from switching cover (9).

5. A filtering ball valve with a sewage draining function according to claim 4, characterized in that the limiting structure comprises a flaring portion (16) which is formed by flaring the mouth of the upper pipe portion of the sewage draining elbow pipe (8) in a conical shape, the inner annular step (11) is provided with a conical platform (17), and the flaring portion (16) is axially abutted and matched with the conical platform (17) of the inner annular step (11).

6. The filtering ball valve with the sewage draining function according to claim 5, wherein the valve control device comprises a one-way ball valve (18), the outer wall of the lower pipe part of the sewage draining elbow (8) is provided with an external thread, the inner wall of the water inlet joint of the one-way ball valve (18) is provided with an internal thread, the internal thread of the water inlet joint of the one-way ball valve (18) is spirally connected to the external thread of the lower pipe part of the sewage draining elbow (8), and an assembling structure which enables the lower pipe parts of the one-way ball valve (18) and the sewage draining elbow (8) to be in sealing fit is arranged between the one-way ball valve (18) and the lower pipe part of the sewage draining elbow (8).

7. The filtering ball valve with the sewage draining function according to claim 6, the assembling structure comprises a limiting sleeve (19), wherein the inner wall of the limiting sleeve (19) is provided with internal threads, the internal thread of the limiting sleeve (19) is spirally connected with the lower pipe part of the sewage bent pipe (8), the limiting sleeve (19) is axially abutted and matched with a water inlet joint of the one-way ball valve (18), the matching end surface of the limiting sleeve (19) is provided with a first inner ring groove, the matching end surface of the water inlet joint of the one-way ball valve (18) is provided with a second inner ring groove, the first inner ring groove and the second inner ring groove are axially opposite, an annular sealing sleeve (20) is arranged between the first inner annular groove and the second inner annular groove, the annular sealing sleeve (20) is axially abutted against the matched deformation through a water inlet joint of a limiting sleeve (19) and a one-way ball valve (18), and the annular sealing sleeve acts on the outer wall of the lower pipe part of the sewage discharge bent pipe (8) in a sealing mode.