CN209791039U - Filter valve - Google Patents

Abstract

The utility model provides a filter valve belongs to valve technical field. It has solved the problem that the filter core shifts on the body easily in the current strainer valve. The filter valve comprises a valve body with an overflowing channel inside, 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 communicated through the overflowing channel, the water inlet pipe joint, the water outlet pipe joint and the overflowing channel are distributed in the same axial direction, a filter pipeline which is inclined to the overflowing channel and is distributed in a cylindrical shape is arranged on the valve body between the water inlet pipe joint and the water outlet pipe joint, a filter screen which is distributed in a cylindrical shape is detachably connected in the filter pipeline, and a limiting device which prevents the filter screen from shifting and shifting in the filter pipeline is arranged in the filter pipeline. The utility model discloses simple structure, filter effect are good, and the filter screen is connection stable in the filter tube way, can prevent that the filter screen drunkenness from shifting long service life in the filter tube way.

Description

Filter valve

Technical Field

The utility model belongs to the technical field of the valve, a filter valve is related to.

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 numbers are: 02265825.4A filter valve comprises a main body with a water purifying cavity, and a water inlet pipe and a water outlet pipe connected with the main body, wherein the water inlet pipe and the water outlet pipe are both communicated with the water purifying cavity, the main body is provided with a detachable cover connected with the main body, a net-shaped filter element is arranged in the water purifying cavity, 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.

In the structure, the filter valve is simple in structure and good in filtering effect, but the connecting structure of the filter element on the body is not stable enough, when the water pressure in the water inlet pipe is increased, the filter element is easy to shift on the body under the impact of the water pressure, the filter element loses the filtering effect, and the service life is short.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, filter screen connection stable in structure in filtering conduit, long service life's filter valve.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a filter valve, has the valve body that overflows the passageway including inside, the valve body on be provided with water inlet pipe joint, outlet pipe joint, water inlet pipe joint with outlet pipe joint pass through overflow the passageway intercommunication, a serial communication port, water inlet pipe joint, outlet pipe joint and overflow the same axial distribution of passageway three, water inlet pipe joint and outlet pipe joint between the valve body on have the filter tube who is inclined to overflow the passageway and be the tube-shape and distribute, filter tube in can dismantle and be connected with the filter screen that is the tube-shape and distribute, filter tube in be provided with the stop device who prevents the filter screen drunkenness aversion in filter tube and shift.

Can dismantle in the filter tube in this filter valve and be connected with the filter screen that is the tube-shape and distribute, be provided with stop device in the filter tube to prevent through stop device that the filter screen from drunkenness aversion in the filter tube, filtering quality is stable and the filter effect is better, long service life.

In foretell strainer valve, stop device including can dismantle the block in the outer end of filter tube way, slope on the inner wall that overflows the passageway and be provided with annular mount pad, annular mount pad and the same axial of filter tube way distribute, annular mount pad on be provided with spacing groove one, the inner wall of block on be provided with spacing groove two, wear to establish when connecting in filter tube way when the filter screen and the inner axial joint of this filter screen is in spacing groove one, the outer end axial joint of filter screen is in spacing groove two in. The outer end of the filtering pipeline is detachably connected with the cap, and the cap can be taken out after being used for a period of time, so that impurities can be conveniently cleaned and filtered, and the water quality is ensured to be clean and has no peculiar smell; the inner end of the filter screen provided with the first limiting groove and the second limiting groove is axially clamped in the first limiting groove, the outer end of the filter screen is axially clamped in the second limiting groove to prevent the filter screen from axially moving, and the connecting structure is stable.

In foretell strainer valve, the block include outer hexagonal rotating part and the annular connecting portion one that distributes with outer hexagonal rotating part coaxial, outer hexagonal rotating part and annular connecting portion one between be provided with the annular axial on the inner wall and lean on the step, outer hexagonal rotating part and annular connecting portion one between be provided with the annular axial on the outer wall and lean on the turn-ups, spacing groove two be located the annular axial and lean on the step. The outer hexagonal rotating part is arranged to facilitate the cap to be detached from the filtering pipeline; the annular axial abutting flange is mainly used for spirally connecting the cover cap on the filter pipeline to play a role in axial limiting.

In the filter valve, the outer end of the filter pipeline is provided with a second annular connecting part which is expanded to form an axial leaning step, inner threads are arranged on the inner wall of the second annular connecting part, outer threads are arranged on the outer wall of the first annular connecting part of the cap, the cap is in threaded connection with the inner threads of the second annular connecting part of the filter pipeline through the outer threads of the first annular connecting part and is axially abutted against the flange and axially abutted against the outer end face of the second annular connecting part, when the cap is in threaded connection with the filter pipeline, the inner end face of the first annular connecting part of the cap and the axial leaning step are axially distributed at intervals, elastic rubber rings are further arranged at intervals between the first annular connecting part and the axial leaning step, and the filter screen is arranged in the elastic rubber rings in a penetrating mode. The filter screen is clamped at the interval between the first annular connecting part and the axial leaning step through the elastic rubber ring, so that the filter screen is prevented from shaking in the filter pipeline and the filtering effect of the filter screen is prevented from being influenced; the elastic rubber ring has the function of vibration energy absorption.

In the filter valve, the inner wall of the elastic rubber ring is radially provided with a clamping bulge, and when the filter screen is arranged in the elastic rubber ring in a penetrating manner, the clamping bulge is radially clamped in the meshes of the filter screen in a corresponding manner. The purpose of this arrangement is to make the connection of the elastic rubber ring and the filter net more stable.

In the filter valve, a rubber sealing ring is further arranged between the annular axial abutting flange and the outer end face of the annular connecting part II. The purpose of this is to ensure the effectiveness of the cap and filter duct seal.

Compared with the prior art, the advantages of the filter valve are as follows: simple structure, filter effect are good, and the filter screen is stable in filtration pipeline connection structure, can prevent that the filter screen from drunkenness shifting in filtration pipeline, and long service life, the block cap can be dismantled the convenient clearance of connection in filtration pipeline's outer end through the mode of spiral and filter impurity, guarantees that quality of water is clean to make quality of water free from extraneous odour.

Drawings

Fig. 1 is a schematic perspective view of the filter valve in exploded form.

Fig. 2 is a schematic sectional view of the filter valve.

In the figure, 1, an overflow channel; 2. a valve body; 3. a water inlet pipe joint; 4. a water outlet pipe joint; 5. a filtration pipeline; 6. a filter screen; 7. an annular mounting seat; 8. a first limiting groove; 9. a second limiting groove; 10. an outer hexagonal rotary part; 11. a first annular connecting part; 12. an annular axial abutment step; 13. the annular axial direction is abutted against the flanging; 14. an axial leaning step; 15. a second annular connecting part; 16. an elastic rubber ring; 17. a clamping bulge; 18. a rubber seal ring.

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 filter valve mainly comprises valve body 2, this valve body 2's inside has and overflows passageway 1, be provided with inlet tube connector 3 on the valve body 2, outlet tube connector 4, inlet tube connector 3 and outlet tube connector 4 are through overflowing passageway 1 intercommunication, inlet tube connector 3, outlet tube connector 4 and overflow the same axial distribution of passageway 1 three, valve body 2 between inlet tube connector 3 and the outlet tube connector 4 is last to have the filter tube way 5 that inclines to overflow passageway 1 and be the tube-shape distribution, can dismantle in the filter tube way 5 and be connected with the filter screen 6 that is the tube-shape distribution, be provided with the stop device who prevents filter screen 6 drunkenness aversion in filter tube way 5 in the filter tube way 5.

During actual manufacturing, the specific implementation mode of the limiting device is as follows: mainly by can dismantle the block of connection in the outer end of filter tube 5 and constitute, slope on the inner wall that overflows passageway 1 and be provided with annular mount pad 7, annular mount pad 7 and the same axial distribution of filter tube 5 are provided with spacing groove one 8 on annular mount pad 7, are provided with spacing groove two 9 on the inner wall of block, wear to establish when connecting in filter tube 5 when filter screen 6 and the inner axial joint of this filter screen 6 is in spacing groove one 8 in, the outer end axial joint of filter screen 6 is in spacing groove two 9.

In actual manufacturing, the specific structure of the cap is as follows: mainly by outer hexagonal rotating part 10 and with outer hexagonal rotating part 10 with the annular connecting portion 11 that the axial distributes constitute, be provided with the annular axial on the inner wall between outer hexagonal rotating part 10 and the annular connecting portion 11 and lean on step 12, be provided with the annular axial on the outer wall between outer hexagonal rotating part 10 and the annular connecting portion 11 and lean on turn-ups 13, spacing groove two 9 is located the annular axial and leans on step 12.

In actual manufacturing, the outer end of the filter pipeline 5 is provided with a second annular connecting part 15 which is expanded to form an axial abutting step 14, inner threads are arranged on the inner wall of the second annular connecting part 15, outer threads are arranged on the outer wall of the first annular connecting part 11 of the cap, the cap is in threaded connection with the inner threads of the second annular connecting part 15 of the filter pipeline 5 through the outer threads of the first annular connecting part 11, and the annular axial abutting flange 13 axially abuts against the outer end face of the second annular connecting part 15.

When the cap is in threaded connection with the filtering pipeline 5, the inner end face of the annular connecting part I11 of the cap and the axial leaning step 14 of the cap are axially distributed at intervals, an elastic rubber ring 16 is further arranged at the interval between the annular connecting part I11 and the axial leaning step 14, and the filtering net 6 is arranged in the elastic rubber ring 16 in a penetrating mode; radially being provided with screens arch 17 on the inner wall of this elastic rubber ring 16, when filter screen 6 wears to establish elastic rubber ring 16 in and this screens arch 17 radially corresponds the joint in the mesh of filter screen 6.

In practical application, a rubber sealing ring 18 is further arranged between the annular axial abutting flange 13 and the outer end face of the annular connecting part two 15.

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 (6)

1. A filter valve comprises a valve body (2) with a flow passage (1) inside, the valve body (2) is provided with a water inlet pipe joint (3) and a water outlet pipe joint (4), the water inlet pipe joint (3) is communicated with the water outlet pipe joint (4) through the overflowing channel (1), it is characterized in that the water inlet pipe joint (3), the water outlet pipe joint (4) and the overflowing channel (1) are distributed in the same axial direction, a filter pipeline (5) which is inclined to the overflowing channel (1) and is distributed in a cylindrical shape is arranged on the valve body (2) between the water inlet pipe joint (3) and the water outlet pipe joint (4), a filter screen (6) which is distributed in a cylindrical shape is detachably connected in the filter pipeline (5), and a limiting device for preventing the filter screen (6) from moving and shifting in the filter pipeline (5) is arranged in the filter pipeline (5).

2. A filter valve according to claim 1, wherein the limiting device comprises a cap detachably connected to the outer end of the filter pipeline (5), an annular mounting seat (7) is obliquely arranged on the inner wall of the flow passage (1), the annular mounting seat (7) and the filter pipeline (5) are axially distributed in the same direction, a first limiting groove (8) is arranged on the annular mounting seat (7), a second limiting groove (9) is arranged on the inner wall of the cap, when the filter screen (6) is inserted into the filter pipeline (5), the inner end of the filter screen (6) is axially clamped in the first limiting groove (8), and the outer end of the filter screen (6) is axially clamped in the second limiting groove (9).

3. The filter valve according to claim 2, wherein the cap comprises an outer hexagonal rotating portion (10) and a first annular connecting portion (11) which is coaxially distributed with the outer hexagonal rotating portion (10), an annular axial abutting step (12) is arranged on an inner wall between the outer hexagonal rotating portion (10) and the first annular connecting portion (11), an annular axial abutting flange (13) is arranged on an outer wall between the outer hexagonal rotating portion (10) and the first annular connecting portion (11), and the second limiting groove (9) is located on the annular axial abutting step (12).

4. A filter valve as claimed in claim 3, wherein the outer end of the filter pipe (5) has a second annular connecting portion (15) with an enlarged diameter to form an axial abutment step (14), the inner wall of the second annular connecting portion (15) is provided with an internal thread, the outer wall of the first annular connecting portion (11) of the cap is provided with an external thread, the cap is spirally connected to the internal thread of the second annular connecting portion (15) of the filter pipe (5) through the external thread of the first annular connecting portion (11) and the annular axial abutment flange (13) axially abuts against the outer end surface of the second annular connecting portion (15), when the cap is spirally connected to the filter pipe (5) and the inner end surface of the first annular connecting portion (11) of the cap and the axial abutment step (14) are axially spaced, an elastic rubber ring (16) is further arranged at the space between the first annular connecting portion (11) and the axial abutment step (14), the filter screen (6) is arranged in the elastic rubber ring (16) in a penetrating way.

5. A filter valve as claimed in claim 4, wherein the inner wall of the elastic rubber ring (16) is provided with a retaining protrusion (17) in a radial direction, and when the filter screen (6) is inserted into the elastic rubber ring (16), the retaining protrusion (17) is radially and correspondingly engaged with the meshes of the filter screen (6).

6. A filter valve according to claim 5, wherein a rubber sealing ring (18) is further arranged between the annular axial abutting flange (13) and the outer end face of the second annular connecting part (15).