CN211302317U

CN211302317U - Self-cleaning type stop filtering valve

Info

Publication number: CN211302317U
Application number: CN201921945739.4U
Authority: CN
Inventors: 郏海云
Original assignee: Zhejiang Yunda Fluid Intelligent Control Co ltd
Current assignee: Zhejiang Yunda Fluid Intelligent Control Co ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-08-21
Anticipated expiration: 2029-11-12

Abstract

The utility model provides a self-cleaning formula is by filtering valve belongs to valve manufacturing technical field. The problem that metal particles leaked from a filter screen of an existing cut-off filter valve are remained in a water inlet pipe for a long time is solved. This self-purification formula is by filtering valve includes the valve body, the water inlet channel that has to be the horizontal distribution on the valve body and the perpendicular continuous water outlet channel of water inlet channel, the filtration seat that has the same axial distribution with water inlet channel on the valve body between the water outlet channel, water outlet channel sets firmly on filtering the seat and through filtering seat and water inlet channel intercommunication, it can prevent to filter impurity to remain the filter assembly in filtering the seat to filter to be provided with in the seat, filter assembly and filter and be provided with between the seat and prevent that filter assembly supports of leaning on connection structure of axial float in filtering the seat. The utility model discloses the filter effect is good, and the filtering component through setting up can conveniently clear up filtering impurity, makes filtering impurity can not the adhesion in filtering the seat, and quality of water is clean, free from extraneous odour.

Description

Self-cleaning type stop filtering valve

Technical Field

The utility model belongs to the technical field of the valve is made, a self-cleaning formula is by filtering valve is related to.

Background

The stop filter valve is a valve for controlling the flow of fluid by changing the throttling cut-off or throttling length, is convenient to use, has a wide application range and is a common valve.

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

Of course, in daily life, the cut-off 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 water purifying and filtering valve [ application No.: 02265825.4, respectively; authorization notice number: CN2568273Y ], which comprises a body with a water purifying cavity, 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.

In foretell structure, the strainer valve simple structure, the filter effect is still can, but impurity often contains comparatively tiny, easily follow the metal particle that spills in the filter screen, influences the filter effect, should remain in the inlet tube for a long time from the metal particle that spills in the filter screen, and this metal particle adhesion is not good clearance again in the inlet tube, makes quality of water worsen easily, unsatisfied people to quality of water more and more attach attention and hope quality of water free from extraneous odour requirement, it is inconvenient to use.

Disclosure of Invention

The utility model aims at the above-mentioned problem that exists among the prior art, provide a simple structure, the filter effect is good, can clear away filtering component internal filtration impurity at any time, guarantee the self-cleaning formula of quality of water free from extraneous odour and end the strainer valve.

The purpose of the utility model can be realized by the following technical proposal: a self-cleaning type stop filtering valve comprises a valve body, wherein a water inlet channel and a water outlet channel are horizontally distributed on the valve body, the water inlet channel is vertically connected with the water inlet channel, a channel port of the water outlet channel is vertically downward, a valve seat is obliquely arranged on the valve body, a pylorus port communicated with the water inlet channel and the water outlet channel is arranged in the valve body which is axially distributed with the valve seat, a valve rod is arranged in the valve seat in a penetrating manner, the lower end of the valve rod is positioned at the pylorus port and can enable the water inlet channel and the water outlet channel to be closed or opened, the upper end of the valve rod extends out of the valve seat and is used for being connected with a handle, the self-cleaning type stop filtering valve is characterized in that a filtering seat which is axially distributed with the water inlet channel is arranged on the valve body between the water inlet channel and the water outlet channel, the water outlet channel is fixedly arranged on the filtering seat and is communicated with the water inlet channel through the filtering seat, and a propping and connecting structure for preventing the filter assembly from axially shifting in the filter seat is arranged between the filter assembly and the filter seat.

The self-cleaning type stop filter valve is mainly characterized in that a filter assembly is arranged in a filter seat, and the filter assembly can prevent filter impurities from remaining in the filter seat, so that the water quality is not polluted, and the water quality has no peculiar smell; be provided with between filtering the seat and lean on connection structure, can ensure that filtering component is stable installation in filtering the seat, prevent filtering component axial float in filtering the seat, stable in structure, long service life.

In foretell a self-cleaning formula is by the strainer valve, filtering component include that one end is the urceolus filter screen of closed filter end, the same axial of urceolus filter screen set up in filter seat in, the urceolus filter screen in can dismantle and link firmly the interior filter screen with the same axial distribution of urceolus filter screen, interior filter screen be the loudspeaker form, the outer horn mouth department in the outer barrel filter screen of the loudspeaker form of interior filter screen be in the net gape department of urceolus filter screen, the interior horn mouth of the loudspeaker form of interior filter screen be in the urceolus filter screen. The inner filter screen is in a horn shape, so that filtering impurities can enter the outer cylinder filter screen through the outer horn mouth of the inner filter screen, the filtering impurities in the outer cylinder filter screen are not easy to go out from the inner horn mouth, and the filtering impurities cannot be adhered to and remain on the filtering seat.

In the self-cleaning type stop filter valve, the tubular connecting part is arranged at the net opening of the outer barrel filter screen, the inner wall of the tubular connecting part is provided with an axial leaning step formed by inward turning, the horn-shaped outer horn opening of the inner filter screen is provided with an outward turning leaning step, when the inner filter screen is positioned in the outer barrel filter screen, the leaning step of the inner filter screen is leaned against the axial leaning step of the tubular connecting part of the outer barrel filter screen, the barrel opening of the tubular connecting part is spirally connected with the compression ring, and the compression ring can axially compress the leaning step of the inner filter screen on the axial leaning step of the tubular connecting part of the outer barrel filter screen in a spiral connecting mode with the barrel opening of the tubular connecting part. The pressing ring is used for enabling the abutting step of the inner filter screen to be axially pressed on the axial abutting step of the cylindrical connecting part of the outer cylinder filter screen, so that the use is convenient.

In the self-cleaning cut-off filter valve, the diameter of the horn-shaped outer bell mouth of the inner filter screen is larger than that of the horn-shaped inner bell mouth of the inner filter screen. The purpose of setting like this can effectively prevent to filter impurity and flow back the adhesion in interior filter screen and remain in filtering the seat.

In foretell a self-cleaning formula is by filtering valve, support to lean on connection structure and include that one end is the tube-shape end cap of blind end, the inner wall of crossing the filter seat on be provided with axial installation position, the same axial of urceolus filter screen wear to locate in crossing the filter seat and the one end axial of this urceolus filter screen support and lean on in axial installation position on, the tube-shape end cap can dismantle to connect in the outer end of crossing the filter seat and this tube-shape end cap axial support and lean on the other end in the urceolus filter screen. The outer barrel filter screen is axially limited between the cylindrical plug and the axial installation position by axially abutting against the outer barrel filter screen through the cylindrical plug, so that the outer barrel filter screen can be effectively prevented from axially shifting in the filter base.

In foretell a self-cleaning formula ends filtering valve, the outer wall of tube-shape end cap on be provided with the external screw thread, the inner wall of the outer end of crossing the filter seat on be provided with the internal thread, the external screw thread of tube-shape end cap can dismantle screwed connection on the internal thread of crossing the filter seat, the outer wall of tube-shape end cap on still inlay and establish and link firmly rubber seal, can dismantle screwed connection when crossing the outer end of filter seat when the tube-shape end cap, and this rubber seal seals and acts on between tube-shape end cap and the filter seat. The rubber sealing ring can guarantee the sealing effectiveness of the joint of the cylindrical plug and the filter base, and has long service life.

In the self-cleaning type stop filter valve, the water outlet channel is detachably connected with a self-cleaning connecting sleeve, and a self-cleaning filter screen is arranged in the self-cleaning connecting sleeve. The self-purification connecting sleeve is spirally connected to the water outlet channel in a threaded connection mode, and is convenient to install and connect.

In foretell self-cleaning formula is by the strainer valve, the self-cleaning filter screen be the bowl form, the bowl mouth of the bowl form of self-cleaning filter screen inwards, the edge of self-cleaning filter screen the tube-shape portion of cup jointing has, the outer notch department spiral connection of self-cleaning adapter sleeve have interior cutting ferrule, the tube-shape portion of cup jointing of self-cleaning filter screen cup joint in the inner port of interior cutting ferrule, the inner wall of self-cleaning adapter sleeve on have the undergauge and lean on position portion, when interior cutting ferrule connects in self-cleaning adapter sleeve, and this interior cutting ferrule with self-cleaning filter screen axial compress tightly in the undergauge lean on position portion on. The self-cleaning filter screen is a secondary filter, and the filtering effect is good.

In the self-cleaning type stop filter valve, the cylindrical sleeve joint part of the self-cleaning filter screen is sleeved with the hoop, and the cylindrical sleeve joint part of the self-cleaning filter screen is radially compressed on the inner end port of the inner clamping sleeve through the hoop. The hoop is arranged to ensure the stable connection of the self-cleaning filter screen and the inner clamping sleeve, and the service life is long.

Compared with the prior art, the self-cleaning type stop filter valve has the advantages that: simple structure, dual filtration make the filter effect good, and the filtering component through setting up can conveniently clear up filtering impurity, makes filtering impurity can not the adhesion in filtering the seat, and quality of water is clean, free from extraneous odour.

Drawings

Fig. 1 is a schematic sectional structure view of the self-cleaning cut-off filter valve.

In the figure, 1, a valve body; 2. a water inlet channel; 3. a water outlet channel; 4. a valve seat; 5. a pyloric opening; 6. a valve stem; 7. a handle; 8. a filter base; 9. an outer cylinder filter screen; 10. an inner filter screen; 11. a cylindrical connecting portion; 12. an axial leaning step; 13. abutting against the step; 14. a compression ring; 15. a cylindrical plug; 16. a rubber seal ring; 17. a self-cleaning connecting sleeve; 18. a self-cleaning filter screen; 19. a cylindrical sleeve portion; 20. an inner cutting sleeve; 21. reducing the diameter of the leaning part; 22. and (4) a hoop.

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 figure 1, the self-cleaning type stop filter valve mainly comprises a valve body 1, wherein a water inlet channel 2 and a water outlet channel 3 which are vertically connected with the water inlet channel 2 are arranged on the valve body 1, a channel opening of the water outlet channel 3 is vertically downward, a valve seat 4 is obliquely arranged on the valve body 1, a pylorus opening 5 which is communicated with the water inlet channel 2 and the water outlet channel 3 is arranged in the valve body 1 which is axially distributed with the valve seat 4, a valve rod 6 is arranged in the valve seat 4 in a penetrating way, the lower end of the valve rod 6 is arranged at the pylorus opening 5 and can close or open the water inlet channel 2 and the water outlet channel 3, the upper end of the valve rod 6 extends out of the valve seat 4 and is connected with a handle 7, a filter seat 8 which is axially distributed with the water inlet channel 2 is arranged on the valve body 1 between the water inlet channel 2 and the water outlet channel 3, the water outlet channel 3 is, filter and be provided with in the seat 8 and prevent to filter the filter assembly that impurity remained in filtering the seat 8, be provided with between filter assembly and the filter seat 8 and prevent that filter assembly supports of the axial float in filtering the seat 8 and lean on connection structure.

During actual manufacturing, the filter assembly mainly comprises an outer cylinder filter screen 9 with one end serving as a closed filter end, the outer cylinder filter screen 9 is arranged in the filter seat 8 in the same axial direction, an inner filter screen 10 which is distributed in the same axial direction as the outer cylinder filter screen 9 is detachably and fixedly connected in the outer cylinder filter screen 9, the inner filter screen 10 is horn-shaped, a horn-shaped outer horn mouth of the inner filter screen 10 is positioned at a screen opening of the outer cylinder filter screen 9, and a horn-shaped inner horn mouth of the inner filter screen 10 is positioned in the outer cylinder filter screen 9; in practical application, the specific connection mode of the outer cylinder filter screen 9 and the inner filter screen 10 is as follows: a cylindrical connecting part 11 is arranged at the mouth of the outer barrel filter screen 9, an axial leaning step 12 formed by inward turning is arranged on the inner wall of the cylindrical connecting part 11, a leaning step 13 formed by outward turning is arranged at the horn-shaped outer bell mouth of the inner filter screen 10, when the inner filter screen 10 is positioned in the outer barrel filter screen 9, the leaning step 13 of the inner filter screen 10 is leaned against the axial leaning step 12 of the cylindrical connecting part 11 of the outer barrel filter screen 9, a pressing ring 14 is spirally connected at the mouth of the cylindrical connecting part 11, and the leaning step 13 of the inner filter screen 10 can be axially pressed on the axial leaning step 12 of the cylindrical connecting part 11 of the outer barrel filter screen 9 by the pressing ring 14 in a spiral connection mode with the mouth of the cylindrical connecting part 11; in practical design, the mouth diameter of the trumpet-shaped outer bell mouth of the inner filter screen 10 is larger than the mouth diameter of the trumpet-shaped inner bell mouth of the inner filter screen 10.

In actual manufacturing, the abutting connection structure is implemented by the following specific modes: the filter is mainly composed of a cylindrical plug 15 with one end being a closed end, an axial installation position is arranged on the inner wall of the filter base 8, the outer barrel filter screen 9 is axially arranged in the filter base 8 in a penetrating mode, one end of the outer barrel filter screen 9 is axially abutted against the axial installation position, the cylindrical plug 15 is detachably connected to the outer end of the filter base 8, and the cylindrical plug 15 is axially abutted against the other end of the outer barrel filter screen 9; in practical application, the specific connection mode of the cylindrical plug 15 and the filter base 8 is as follows: be provided with the external screw thread on the outer wall of tube-shape end cap 15, be provided with the internal thread on the inner wall of filtering the outer end of seat 8, screwed connection can be dismantled on filtering the internal thread of seat 8 to the external screw thread of tube-shape end cap 15, still inlays on the outer wall of tube-shape end cap 15 and has linked firmly rubber seal 16, when screwed connection can be dismantled in the outer end of filtering seat 8 to tube-shape end cap 15, and this rubber seal 16 is sealed to be acted on between tube-shape end cap 15 and the filtering seat 8.

In practical application, the water outlet channel 3 is detachably connected with a self-cleaning connecting sleeve 17, and a self-cleaning filter screen 18 is arranged in the self-cleaning connecting sleeve 17. In actual design, the specific connection mode of the self-cleaning filter screen 18 and the self-cleaning connecting sleeve 17 is as follows: the self-cleaning filter screen 18 is bowl-shaped, the bowl-shaped bowl mouth of the self-cleaning filter screen 18 faces inwards, the edge of the self-cleaning filter screen 18 is provided with a cylindrical sleeve joint part 19, the outer sleeve mouth of the self-cleaning connecting sleeve 17 is spirally connected with an inner sleeve 20, the cylindrical sleeve joint part 19 of the self-cleaning filter screen 18 is sleeved on the inner end port of the inner sleeve 20, the inner wall of the self-cleaning connecting sleeve 17 is provided with a reducing leaning part 21, and when the inner sleeve 20 is connected into the self-cleaning connecting sleeve 17, the inner sleeve 20 axially presses the self-cleaning filter screen 18 on the reducing leaning part 21; the cylindrical sleeve-connection part 19 of the self-cleaning filter screen 18 is sleeved with a hoop 22, and the cylindrical sleeve-connection part 19 of the self-cleaning filter screen 18 is radially pressed on the inner end port of the inner clamping sleeve 20 through the hoop 22.

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 self-purification formula is by filtering valve, includes valve body (1), valve body (1) on have inhalant canal (2) that are horizontal distribution and go out water passageway (3) that link to each other perpendicularly with inhalant canal (2), the vertical downwards of passway of exhalant canal (3), valve body (1) on the slope be provided with disk seat (4), be provided with in valve body (1) with the same axial distribution of disk seat (4) and communicate in inhalant canal (2), the pyloric mouth (5) of exhalant canal (3), disk seat (4) in wear to be equipped with valve rod (6), the lower extreme of valve rod (6) be in pyloric mouth (5) department and enable inhalant canal (2), exhalant canal (3) to close or open, the upper end of valve rod (6) stretch out disk seat (4) and be used for being connected with handle (7), a serial communication port (2), Have on valve body (1) between water outlet channel (3) with filtering seat (8) of same axial distribution of inhalant canal (2), water outlet channel (3) set firmly on filtering seat (8) and through filtering seat (8) and inhalant canal (2) intercommunication, filtering seat (8) in be provided with and prevent to filter the filter assembly that impurity remained in filtering seat (8), filter assembly and filter and be provided with between seat (8) and prevent that filter assembly supports by connection structure of axial drunkenness in filtering seat (8).

2. The self-cleaning type cut-off filter valve according to claim 1, wherein the filter assembly comprises an outer cylinder filter screen (9) with a closed filter end at one end, the outer cylinder filter screen (9) is axially arranged in the filter base (8), an inner filter screen (10) which is axially distributed with the outer cylinder filter screen (9) is detachably and fixedly connected in the outer cylinder filter screen (9), the inner filter screen (10) is horn-shaped, the horn-shaped outer horn of the inner filter screen (10) is positioned at the mouth of the outer cylinder filter screen (9), and the horn-shaped inner horn of the inner filter screen (10) is positioned in the outer cylinder filter screen (9).

3. The self-cleaning type cut-off filter valve as claimed in claim 2, wherein the outer cylinder filter screen (9) has a cylindrical connection part (11) at the screen opening, the inner wall of the cylindrical connection part (11) has an axial leaning step (12) formed by inward turning, the trumpet-shaped outer horn opening of the inner filter screen (10) has a leaning step (13) formed by outward turning, when the inner filter screen (10) is positioned in the outer cylinder filter screen (9), the leaning step (13) of the inner filter screen (10) leans against the axial leaning step (12) of the cylindrical connection part (11) of the outer cylinder filter screen (9), the cylindrical connection part (11) has a pressing ring (14) in a screwed connection manner, the pressing ring (14) can axially press the leaning step (13) of the inner filter screen (10) against the cylindrical connection part (11) of the outer cylinder filter screen (9) by a screwed connection manner with the cylindrical connection part (11) at the opening Against the step (12).

4. A self-cleaning cut-off filter valve according to claim 3, characterised in that the flared outer bell mouth of the inner filter (10) has a larger mouth diameter than the flared inner bell mouth of the inner filter (10).

5. The self-cleaning type stop filter valve according to claim 4, wherein the abutting connection structure comprises a cylindrical plug (15) with one end being a closed end, an axial installation position is arranged on the inner wall of the filter base (8), the outer cylinder filter screen (9) is axially arranged in the filter base (8) in a penetrating manner, one end of the outer cylinder filter screen (9) axially abuts against the axial installation position, the cylindrical plug (15) is detachably connected to the outer end of the filter base (8), and the cylindrical plug (15) axially abuts against the other end of the outer cylinder filter screen (9).

6. The self-cleaning type stop filter valve according to claim 5, wherein an external thread is arranged on the outer wall of the cylindrical plug (15), an internal thread is arranged on the inner wall of the outer end of the filter base (8), the external thread of the cylindrical plug (15) is detachably screwed to the internal thread of the filter base (8), a rubber sealing ring (16) is fixedly embedded on the outer wall of the cylindrical plug (15), and when the cylindrical plug (15) is detachably screwed to the outer end of the filter base (8), the rubber sealing ring (16) is sealed and acted between the cylindrical plug (15) and the filter base (8).

7. The self-cleaning type stop filter valve according to claim 6, wherein a self-cleaning connecting sleeve (17) is detachably connected to the water outlet channel (3), and a self-cleaning filter screen (18) is arranged in the self-cleaning connecting sleeve (17).

8. The self-cleaning type cut-off filter valve as claimed in claim 7, wherein the self-cleaning filter screen (18) is bowl-shaped, the bowl-shaped mouth of the self-cleaning filter screen (18) faces inward, the edge of the self-cleaning filter screen (18) is provided with a cylindrical sleeve part (19), the outer sleeve part of the self-cleaning connecting sleeve (17) is spirally connected with an inner sleeve (20), the cylindrical sleeve part (19) of the self-cleaning filter screen (18) is sleeved on the inner end port of the inner sleeve (20), the inner wall of the self-cleaning connecting sleeve (17) is provided with a reducing positioning part (21), and when the inner sleeve (20) is connected into the self-cleaning connecting sleeve (17), the inner sleeve (20) axially compresses the self-cleaning filter screen (18) on the reducing positioning part (21).

9. The self-cleaning type stop filter valve according to claim 8, wherein a hoop (22) is sleeved on the cylindrical sleeve part (19) of the self-cleaning filter screen (18), and the cylindrical sleeve part (19) of the self-cleaning filter screen (18) is radially pressed on the inner end port of the inner sleeve (20) through the hoop (22).