CN210356234U

CN210356234U - External thread filter

Info

Publication number: CN210356234U
Application number: CN201921138566.5U
Authority: CN
Inventors: 项光弟
Original assignee: Wenzhou Hongyuan Valve Fitting Co Ltd
Current assignee: Wenzhou Hongyuan Valve Fitting Co Ltd
Priority date: 2019-07-19
Filing date: 2019-07-19
Publication date: 2020-04-21
Anticipated expiration: 2029-07-19

Abstract

The utility model discloses an external screw thread filter, inlet, liquid outlet and the drain of seting up on casing and casing, be provided with the dog on the casing, insert in the drain and be equipped with the cartridge filter, and cartridge filter open-ended one end offsets with the dog, two spouts, every have been seted up to the symmetry on the cartridge filter equal sliding connection has a slider, every in the spout equal fixed mounting has a spring, every on the slider the equal fixed mounting of the other end of spring is on the lateral wall of spout, every all be provided with the connecting rod on the slider, every the one end that the slider was kept away from to the connecting rod all runs through the lateral wall of cartridge filter and installs first magnetic ring jointly. The utility model discloses a set up the second magnetic ring on the flabellum, liquid drives the flabellum rotation, and the second magnetic ring drives first magnetic ring motion, and first magnetic ring drives the brush and clears up the filter screen, can prevent that the residue adhesion in the liquid from on the filter screen, having guaranteed filter screen normal use.

Description

External thread filter

Technical Field

The utility model relates to a filter technical field especially relates to external screw thread filter.

Background

The external thread filter is an indispensable device on the medium conveying pipeline, is usually installed at the inlet end of a pressure reducing valve, a pressure relief valve, a constant water level valve or other equipment, and is used for eliminating impurities in the medium so as to protect the normal use of the valve and the equipment.

But the filter screen of current external screw thread filter is through the filtration back of a period of time, and the residue in the liquid is the easy adhesion on the filter screen, blocks up the filter screen to influence filtration efficiency, still can influence the velocity of flow of pipe-line medium, and generally need stop the pipeline when rinsing or changing the cartridge filter, consequently if often rinse or change the very big influence production life of cartridge filter.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an external thread filter.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the external thread filter comprises a shell, and a liquid inlet, a liquid outlet and a sewage outlet which are formed in the shell, wherein a stop block is arranged on the shell, a filter cartridge is inserted into the sewage outlet, one end of an opening of the filter cartridge is abutted against the stop block, two sliding grooves are symmetrically formed in the filter cartridge, a sliding block is connected in each sliding groove in a sliding manner, a spring is fixedly arranged on each sliding block, the other end of each spring is fixedly arranged on the side wall of each sliding groove, a connecting rod is arranged on each sliding block, and one end, away from the sliding block, of each connecting rod penetrates through the side wall of the filter cartridge and is commonly provided with a first magnetic;

the filter cartridge comprises a filter cartridge body, wherein a rotating shaft is rotatably arranged on the inner wall of the filter cartridge body through a bearing, a plurality of fan blades are uniformly arranged on the rotating shaft and are semicircular, the number of the fan blades is three, the fan blades are arranged along the diameter of the rotating shaft in an outward radiation mode, each fan blade is provided with a second magnetic ring, and the second magnetic rings are fixedly arranged on one side, opposite to the filter cartridge, of each fan blade.

Preferably, the filter cartridge is provided with a mounting hole, and a filter screen is embedded in the mounting hole.

Preferably, the lower end face of the filter cartridge is fixedly provided with a pipe cover, the pipe cover is fixedly connected with the shell through a bolt, and a gasket is arranged between the pipe cover and the shell.

Preferably, the gasket is circular, and the gasket sleeve is arranged on the filter cylinder, and the gasket is made of rubber materials.

Preferably, a brush is fixedly installed on the first magnetic ring, and soft bristles are arranged on the brush.

Preferably, the first magnetic ring and the second magnetic ring attract each other, and the first magnetic ring and the second magnetic ring are light in weight.

The utility model has the advantages that:

1. through setting up the cartridge filter to set up the filter screen on the cartridge filter, get into the cartridge filter from the inlet when liquid, impurity is blockked by the filter screen on the cartridge filter and is fallen into the filter cylinder bottom, and clear filtrating is then discharged by the liquid outlet, simple structure, and filtration efficiency is high.

2. Through set up the second magnetic ring on the flabellum, set up first magnetic ring through the connecting rod on the slider, liquid drives the flabellum rotation, and the motion of second magnetic ring drive first magnetic ring, first magnetic ring drive brush is cleared up the filter screen, can prevent the residue in the liquid adhesion on the filter screen, has guaranteed the filter screen normal use.

3. Insert the cartridge filter through using bolt and gasket and establish the drain, can prevent that the cartridge filter from leaking, and when needs were washd, as long as take out the detachable cartridge filter, clean processing pack into again can, it is very convenient to use the maintenance.

To sum up, this device can filter the residue collection in the pipe-line conveying medium, can also utilize the impact force of medium automatic clearance, can not make the residue block up the filter screen, and dismantles simply, and it is very convenient to use the maintenance.

Drawings

Fig. 1 is a schematic structural view of an external thread filter according to the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a schematic structural diagram of a filter cartridge in an external thread filter according to the present invention;

fig. 4 is a side view of a filter cartridge in an externally threaded filter according to the present invention.

In the figure: the device comprises a shell 1, a liquid inlet 2, a liquid outlet 3, a sewage draining outlet 4, a filter cylinder 5, a stop block 6, a filter screen 7, a chute 8, a slide block 9, a connecting rod 10, a first magnetic ring 11, a brush 12, a spring 13, a rotating shaft 14, fan blades 15, a second magnetic ring 16, a pipe cover 17, a gasket 18 and a mounting hole 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the external thread filter includes a housing 1, and a liquid inlet 2, a liquid outlet 3 and a drain outlet 4 formed on the housing 1, wherein a stopper 6 is arranged on the housing 1, a filter cartridge 5 is inserted into the drain outlet 4, and an open end of the filter cartridge 5 abuts against the stopper 6, two slide grooves 8 are symmetrically formed on the filter cartridge 5, a slide block 9 is slidably connected in each slide groove 8, a spring 13 is fixedly mounted on each slide block 9, the other end of each spring 13 is fixedly mounted on a side wall of the slide groove 8, a connecting rod 10 is arranged on each slide block 9, and one end of each connecting rod 10, which is far away from the slide block 9, penetrates through the side wall of the filter cartridge 5 and is commonly provided;

the inner wall of the filter cartridge 5 is rotatably provided with a rotating shaft 14 through a bearing, the rotating shaft 14 is uniformly provided with a plurality of fan blades 15, the fan blades 15 are made of aluminum alloy materials, the weight is light and are easy to be impacted and rotated by liquid, the fan blades 15 are semicircular, the number of the fan blades 15 is three, the fan blades 15 are arranged along the diameter of the rotating shaft 14 in an outward radiation mode, each fan blade 15 is provided with a second magnetic ring 16, the second magnetic ring 16 is fixedly arranged on one side of the fan blade 15 opposite to the filter cartridge 5, the first magnetic ring 11 and the second magnetic ring 16 are mutually attracted, the mutual attraction force when the first magnetic ring 11 and the second magnetic ring 16 are at the farthest distance is larger than the pulling force of the spring 13 on the sliding block 9 at the moment, and the first magnetic ring 11.

The utility model discloses in, mounting hole 19 has been seted up on cartridge filter 5, and mounting hole 19 is relative with liquid outlet 3, filter screen 7 is installed to the embedded establishment of mounting hole 19, cartridge filter 5's lower terminal surface fixed mounting has tube cap 17, tube cap 17 passes through bolt and 1 fixed connection of casing, and be provided with gasket 18 between tube cap 17 and the casing 1, gasket 18 is the ring form, and 18 covers of gasket establish on cartridge filter 5, gasket 18 adopts the rubber material to make, fixed mounting has brush 12 on the first magnetic ring 11, brush 12 is provided with soft brush hair, and brush hair and filter screen contact each other.

The utility model discloses during the use, operating personnel installs this equipment in front of the valve that needs the protection, in the transport medium sent liquid inlet 2 to get into cartridge filter 5, liquid impact flabellum 15, make flabellum 15 rotatory round pivot 14, flabellum 15 drives second magnetic ring 16 of fixed mounting above that to rotate, when second magnetic ring 16 is close to first magnetic ring 11, first magnetic ring 11 and second magnetic ring 16 inter attraction, then first magnetic ring 11 drives slider 9 through connecting rod 10 and slides in spout 8, the brush 12 of fixed mounting on first magnetic ring 11 scrapes the clearance to filter screen 7 of installation on cartridge filter 5, slider 9 charges to the spring 13 of fixed mounting above that in the motion process, spring 13 is stretched;

when the second magnetic ring 16 is far away from the first magnetic ring 11, and the pulling force of the spring 13 on the slider 9 is greater than the suction force between the first magnetic ring 11 and the second magnetic ring 16, the spring 13 starts to contract, and the spring 13 contracts to drive the slider 9 to move in the chute 8 until the second magnetic ring 16 on the next fan blade 15 on the rotating shaft 14 approaches the first magnetic ring 11 to do the same movement, so that the reciprocating movement is performed, residues on the filter screen 7 are scraped and fall into the filter cylinder 5, and the residues in the liquid can be prevented from being adhered to the filter screen 7, and the normal use of the filter screen 7 is ensured.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The external thread filter comprises a shell (1), and a liquid inlet (2), a liquid outlet (3) and a sewage draining exit (4) which are arranged on the shell (1), it is characterized in that a stop block (6) is arranged on the shell (1), a filter cartridge (5) is inserted in the sewage draining outlet (4), an open end of the filter cartridge (5) is abutted against the stop block (6), two sliding grooves (8) are symmetrically formed in the filter cartridge (5), a sliding block (9) is connected in each sliding groove (8) in a sliding manner, a spring (13) is fixedly mounted on each sliding block (9), the other end of each spring (13) is fixedly mounted on the side wall of each sliding groove (8), a connecting rod (10) is arranged on each sliding block (9), and one end, far away from the sliding block (9), of each connecting rod (10) penetrates through the side wall of the filter cartridge (5) and is commonly provided with a first magnetic ring (11);

the inner wall of the filter cartridge (5) is rotatably provided with a rotating shaft (14) through a bearing, the rotating shaft (14) is uniformly provided with a plurality of fan blades (15), and each fan blade (15) is provided with a second magnetic ring (16).

2. The externally threaded filter according to claim 1, characterized in that the filter cartridge (5) is provided with a mounting hole (19), and a filter screen (7) is fixedly mounted in the mounting hole (19).

3. The externally threaded filter according to claim 1, characterized in that a pipe cover (17) is fixedly mounted on the lower end face of the filter cartridge (5), the pipe cover (17) is fixedly connected with the housing (1) by bolts, and a gasket (18) is arranged between the pipe cover (17) and the housing (1).

4. A filter with external screw thread according to claim 3, characterized in that the gasket (18) is circular and the gasket (18) is fitted on the filter cartridge (5), the gasket (18) being made of rubber.

5. A filter with external screw thread according to claim 1, characterized in that a brush (12) is fixedly mounted on the first magnetic ring (11).

6. A filter with external screw thread according to claim 1, characterised in that the first magnetic ring (11) and the second magnetic ring (16) are mutually attracted.