CN215995798U

CN215995798U - Backwashing filter valve

Info

Publication number: CN215995798U
Application number: CN202121791412.3U
Authority: CN
Inventors: 詹泉力
Original assignee: Individual
Current assignee: Hubei Kalanda Valve Sanitary Ware Technology Manufacturing Co ltd
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-03-11
Anticipated expiration: 2031-08-03

Abstract

The utility model relates to the technical field of valves and discloses a valve with a back-flushing type filter, which comprises a valve body, wherein the inner wall of the valve body is fixedly connected with a filter cylinder through a first connecting rod, an upper side plate of the valve body is in threaded connection with a threaded rod, the threaded rod is in threaded connection with the filter cylinder, and the lower end of the threaded rod is provided with a control device. This valve is filtered to back flush formula has, the threaded rod rotates, the threaded rod drives the cover of a barrel and rotates, when the cover of a barrel moves down, remove the sealed and sealing plug of removal sealing ring and stationary seal ring and the sealed of ladder groove, it is sealed to make the limbers simultaneously, rivers pass through the inlet tube, the clearance of removal sealing ring and stationary seal ring upwards flows, and carry out the scrubbing to the inboard water-flowing from the outside of cartridge filter, sewage is through the blowoff hole, ladder groove and blow off pipe discharge, through rotating the threaded rod, the user state of fast switch-over valve, carry out quick scrubbing to the cartridge filter, the practicality of device has been improved.

Description

Backwashing filter valve

Technical Field

The utility model relates to the technical field of valves, in particular to a backwashing type filtering valve.

Background

The process of passing water through the valve is total, and sundries contained in the water can be accumulated at the bottom of the valve through the washing of the water, so that the sealing performance of the valve can be influenced, the sealing ring of the valve can be damaged, and the service life of the valve is shortened. Some valves filter through setting up filter equipment, but are difficult to carry out quick scrubbing to filter equipment, and the practicality is poor.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a backwashing type filtering valve, which solves the problem that the filtering device is difficult to rapidly remove dirt.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a valve is filtered to backwash formula has, includes the valve body, the outer wall of valve body is located the position fixedly connected with inlet tube that is close to terminal surface down, the outer wall of valve body is located the position fixedly connected with tap that is close to the up end, the valve body inner wall is through first connecting rod fixedly connected with cartridge filter, the last curb plate threaded connection of valve body has the threaded rod, threaded rod threaded connection has the cartridge filter, the lower extreme of threaded rod extends to the below of cartridge filter, controlling means is installed to the lower extreme of threaded rod.

Preferably, the control device comprises a barrel cap, a threaded ring, a water through hole, a movable sealing ring, a fixed sealing ring, a stepped groove, a sealing plug, a supporting spring, a sewage discharge hole, a sewage discharge pipe, a supporting rod and a supporting plate, wherein the lower end of the threaded rod is fixedly connected with the barrel cap, the inner wall of the barrel cap is sleeved with a filter barrel, the outer wall of the barrel cap is in threaded connection with the threaded ring, the threaded ring is fixedly connected with the valve body through a second connecting rod, the water through hole is formed in the outer wall of the barrel cap and is positioned close to the inner wall of the lower side, the movable sealing ring is fixedly connected to the outer wall of the barrel cap and is positioned above the water through hole, the fixed sealing ring is fixedly connected to the inner wall of the valve body and is positioned outside the movable sealing ring, the stepped groove is formed in the inner wall of the lower side of the barrel cap, the inner wall of the middle groove of the stepped groove is movably clamped with the sealing plug, and the upper surface of the sealing plug is fixedly connected with the supporting spring, the upper end of the supporting spring is fixedly connected with the upper inner wall of the middle groove of the stepped groove, the sewage discharge hole is formed in the lower surface of the filter cartridge and in the position corresponding to the stepped groove, a sewage discharge pipe is fixedly connected with the lower inner wall of the valve body, a sewage discharge pipe is slidably connected with the inner wall of the lower groove of the stepped groove, a supporting plate is fixedly connected with the upper end of the sewage discharge pipe through a supporting rod, and the upper surface of the supporting plate is tightly attached to the lower surface of the sealing plug.

Preferably, the filter cartridge is composed of a cylinder body and a filter screen plate.

Preferably, the water through holes are annularly arranged around the threaded rod, so that the water through capacity of the valve is improved.

Preferably, the cross sections of the movable sealing ring and the fixed sealing ring are triangular, and the movable sealing ring and the fixed sealing ring are in contact to perform local sealing of the device, so that the sealing performance of the device is improved.

Preferably, the number of the stepped grooves is four, so that the sewage discharge capacity is improved, the stepped grooves are divided into three sections, and the three sections are an upper cylindrical groove, a circular table groove and a lower cylindrical groove from top to bottom in sequence.

Preferably, the sealing plug is in a round table shape, so that the opening and closing of the stepped groove are conveniently controlled.

Compared with the prior art, the utility model provides a backwash type filtering valve, which has the following beneficial effects:

1. this valve is filtered to back flush formula has, the threaded rod rotates, the threaded rod drives the cover of a barrel and rotates, when the cover of a barrel moves down, remove the sealed and sealing plug of removal sealing ring and stationary seal ring and the sealed of ladder groove, it is sealed to make the limbers simultaneously, rivers pass through the inlet tube, the clearance of removal sealing ring and stationary seal ring upwards flows, and carry out the scrubbing to the inboard water-flowing from the outside of cartridge filter, sewage is through the blowoff hole, ladder groove and blow off pipe discharge, through rotating the threaded rod, the user state of fast switch-over valve, carry out quick scrubbing to the cartridge filter, the practicality of device has been improved.

2. The backwashing type filtering valve has the advantages that the local sealing of the device is realized by the contact of the movable sealing ring with the triangular cross section and the fixed sealing ring, and the arrangement of the truncated cone-shaped sealing plug improves the sealing performance of the device.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view of the structure of FIG. 1 at A according to the present invention;

FIG. 3 is an enlarged view of the structure of FIG. 2 at B in accordance with the present invention;

fig. 4 is a schematic view of the filter cartridge structure of the present invention.

Wherein: 1. a valve body; 2. a water inlet pipe; 3. a water outlet tap; 4. a filter cartridge; 5. a threaded rod; 6. a control device; 61. a cartridge cap; 62. a threaded ring; 63. a water through hole; 64. moving the sealing ring; 65. fixing a sealing ring; 66. a stepped groove; 67. a sealing plug; 68. a support spring; 69. a sewage draining hole; 610. a blow-off pipe; 611. a support bar; 612. and a support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a valve with back-flushing type filtering, which comprises a valve body 1, wherein a water inlet pipe 2 is fixedly connected to the outer wall of the valve body 1 at a position close to the lower end face, a water outlet tap 3 is fixedly connected to the outer wall of the valve body 1 at a position close to the upper end face, a filtering cylinder 4 is fixedly connected to the inner wall of the valve body 1 through a first connecting rod, the filtering cylinder 4 is composed of a cylinder body and a filtering screen plate, a threaded rod 5 is connected to the upper side plate of the valve body 1 through threads, the filtering cylinder 4 is connected to the threaded rod 5 through threads, the lower end of the threaded rod 5 extends to the lower part of the filtering cylinder 4, and a control device 6 is installed at the lower end of the threaded rod 5;

the control device 6 comprises a cylinder cap 61, a threaded ring 62, a water through hole 63, a movable sealing ring 64, a fixed sealing ring 65, a stepped groove 66, a sealing plug 67, a supporting spring 68, a sewage discharge hole 69, a sewage discharge pipe 610, a supporting rod 611 and a supporting plate 612, wherein the lower end of the threaded rod 5 is fixedly connected with the cylinder cap 61, the inner wall of the cylinder cap 61 is sleeved with the filter cylinder 4, the outer wall of the cylinder cap 61 is in threaded connection with the threaded ring 62, the threaded ring 62 is fixedly connected with the valve body 1 through a second connecting rod, the water through hole 63 is formed in the outer wall of the cylinder cap 61 and is positioned close to the lower inner wall, the water through holes 63 are annularly arranged around the threaded rod 5 to improve the water passing capacity of the valve, the movable sealing ring 64 is fixedly connected to the position above the water through hole 63 on the outer wall of the cylinder cap 61, the fixed sealing ring 65 is fixedly connected to the position on the outer side of the movable sealing ring 64 on the inner wall of the valve body 1, the sections of the movable sealing ring 64 and the fixed sealing ring 65 are triangular, the device is locally sealed by the contact of the movable sealing ring 64 and the fixed sealing ring 65, the sealing performance of the device is improved, the lower inner wall of the cylinder cap 61 is provided with four stepped grooves 66, the pollution discharge capacity is improved, the stepped grooves 66 are divided into three sections, an upper cylindrical groove, a circular table groove and a lower cylindrical groove are sequentially arranged from top to bottom, the inner wall of the middle groove of the stepped groove 66 is movably clamped with a sealing plug 67, the sealing plug 67 is in a circular table shape and is convenient to control the opening and closing of the stepped groove 66, the upper surface of the sealing plug 67 is fixedly connected with a supporting spring 68, the upper end of the supporting spring 68 is fixedly connected with the upper inner wall of the middle groove of the stepped groove 66, the lower surface of the filter cylinder 4 is provided with a pollution discharge hole 69 at a position corresponding to the stepped groove 66, the lower inner wall of the valve body 1 is fixedly connected with a pollution discharge pipe 610, the inner wall of the lower groove of the stepped groove 66 is slidably connected with a pollution discharge pipe 610, the upper end of the pollution discharge pipe 610 is fixedly connected with a supporting plate 612 through the supporting rod 611, the upper surface of backup pad 612 closely laminates with the lower surface of sealing plug 67, rotating threaded rod 5, threaded rod 5 drives section of thick bamboo cap 61 and rotates, when section of thick bamboo cap 61 downstream, remove the sealed of removal sealing ring 64 and stationary seal ring 65 and the sealed of sealing plug 67 and ladder groove 66, it is sealed to make limbers 63 simultaneously, rivers pass through inlet tube 2, the clearance of removal sealing ring 64 and stationary seal ring 65 upwards flows, and the inside water that flows to from the outside of cartridge filter 4 decontaminates, sewage is through blowoff holes 69, ladder groove 66 and blow off pipe 610 discharge, through rotating threaded rod 5, the user state of fast switch-over valve, carry out quick scrubbing to cartridge filter 4, the practicality of device has been improved.

When the device is used, the threaded rod 5 is rotated, the barrel cap 61 fixedly connected with the lower end of the threaded rod 5 rotates, meanwhile, the threaded rod moves downwards with the assistance of the threaded ring 62, the movable sealing ring 64 fixedly connected with the outer wall of the barrel cap 61 moves and is separated from the fixed sealing ring 65, meanwhile, the water through hole 63 is positioned at the lower side of the filter barrel 4, the water through hole 63 is sealed, water flows upwards through the gap between the water inlet pipe 2 and the movable sealing ring 64 as well as the fixed sealing ring 65 and flows from the outer side to the inner side of the filter barrel 4, the filter screen plate is decontaminated, meanwhile, the drain pipe 610 enables the sealing plug 67 and the barrel cap 61 to move relatively through the support rod 611 and the support plate 612, the sealing plug 67 is separated from being in contact with the stepped groove 66, the sealing between the stepped groove 66 and the sealing plug 67 is relieved, sewage is discharged through the drain hole 69, the stepped groove 66 and the drain pipe 610, the dirt in the filter barrel 4 is cleaned, after the cleaning is finished, the threaded rod 5 is reversely rotated, make movable sealing ring 64 and fixed sealing ring 65 contact and seal up, and make the inner wall in close contact with of sealing plug 67 and ladder groove 66 seal up, make limbers 63 be located the top of cartridge filter 4 downside inner wall simultaneously, the rivers enter into the inside of cartridge filter 4 through the limbers 63, the filtration through the filter plate is clear away, the water of clearing up flows through tap 3, through the user state of rotation threaded rod 5 fast switch-over valve, the messenger has improved the practicality of device, it carries out the local sealing of device to contact through movable sealing ring 64 and fixed sealing ring 65 that the cross-section is triangle-shaped simultaneously, and be the cooperation in round platform groove through sealing plug 67 and middle groove, the leakproofness of device has been improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A filtering valve with back-flushing, comprising a valve body (1), characterized in that: a water inlet pipe (2) is fixedly connected to the outer wall of the valve body (1) and is positioned close to the lower end face, a water outlet faucet (3) is fixedly connected to the outer wall of the valve body (1) and is positioned close to the upper end face, a filter cylinder (4) is fixedly connected to the inner wall of the valve body (1) through a first connecting rod, a threaded rod (5) is in threaded connection with an upper side plate of the valve body (1), the filter cylinder (4) is in threaded connection with the threaded rod (5), the lower end of the threaded rod (5) extends to the lower portion of the filter cylinder (4), and a control device (6) is installed at the lower end of the threaded rod (5);

the control device (6) comprises a barrel cap (61), a threaded ring (62), a water through hole (63), a movable sealing ring (64), a fixed sealing ring (65), a stepped groove (66), a sealing plug (67), a supporting spring (68), a sewage discharge hole (69), a sewage discharge pipe (610), a supporting rod (611) and a supporting plate (612), wherein the lower end of the threaded rod (5) is fixedly connected with the barrel cap (61), the inner wall of the barrel cap (61) is sleeved with a filter cartridge (4), the outer wall of the barrel cap (61) is in threaded connection with the threaded ring (62), the threaded ring (62) is fixedly connected with the valve body (1) through a second connecting rod, the water through hole (63) is formed in the position, close to the lower inner wall, of the outer wall of the barrel cap (61), the movable sealing ring (64) is fixedly connected with the position, above the water through hole (63), of the outer wall of the barrel cap (61), the inner wall of the valve body (1) is fixedly connected with a fixed sealing ring (65) at the outer side of the movable sealing ring (64), a stepped groove (66) is formed in the inner wall of the lower side of the cylinder cap (61), a sealing plug (67) is movably clamped on the inner wall of the intermediate groove of the stepped groove (66), a supporting spring (68) is fixedly connected with the upper surface of the sealing plug (67), the upper end of the supporting spring (68) is fixedly connected with the inner wall of the upper side of the intermediate groove of the stepped groove (66), a sewage discharge hole (69) is formed in the lower surface of the filter cylinder (4) and at the position corresponding to the stepped groove (66), a sewage discharge pipe (610) is fixedly connected with the inner wall of the valve body (1), a sewage discharge pipe (610) is slidably connected with the inner wall of the lower side groove of the stepped groove (66), and a supporting plate (612) is fixedly connected with the upper end of the sewage discharge pipe (610), the upper surface of the supporting plate (612) is tightly attached to the lower surface of the sealing plug (67).

2. A valve having backwash-type filtering as defined in claim 1, wherein: the filter cartridge (4) is composed of a cylinder body and a filter screen plate.

3. A valve having backwash-type filtering as defined in claim 1, wherein: the water through holes (63) are annularly arranged around the threaded rod (5).

4. A valve having backwash-type filtering as defined in claim 1, wherein: the cross sections of the movable sealing ring (64) and the fixed sealing ring (65) are triangular.

5. A valve having backwash-type filtering as defined in claim 1, wherein: the number of the stepped grooves (66) is four, the stepped grooves (66) are divided into three sections, namely an upper cylindrical groove, a circular table groove and a lower cylindrical groove from top to bottom in sequence.

6. A valve having backwash-type filtering as defined in claim 1, wherein: the sealing plug (67) is in a circular truncated cone shape.