CN210385025U

CN210385025U - Disposable prefilter

Info

Publication number: CN210385025U
Application number: CN201920954392.3U
Authority: CN
Inventors: 刘朝阳
Original assignee: Henan Wanbang Environmental Protection Technology Co ltd
Current assignee: Henan Wanbang Environmental Protection Technology Co ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-04-24
Anticipated expiration: 2029-06-24

Abstract

The utility model discloses a disposable prefilter, which comprises a filter vat with a water inlet end and a water outlet end, wherein a filter element is arranged in the filter vat, the water outlet end of the filter vat is provided with a cover body with a water inlet, a limit gasket is arranged between the cover body and the filter vat, a first annular groove is arranged on the limit gasket, the water outlet end of the filter vat is provided with a second annular groove, the filter element is in an annular structure and is fixed in the filter vat through the first annular groove and the second annular groove, and the filter vat are positioned on the same axis, the water outlet end of the filter vat is provided with a water outlet communicated with an inner ring of the filter element, the cover body is fixedly bonded with the filter vat into an integral structure through an adhesive, and the filter vats of the cover body and the water outlet end are; the utility model discloses a not detachable body structure, and adopt transparent PP to make.

Description

Disposable prefilter

The technical field is as follows:

the utility model relates to a filter field especially relates to a disposable leading filter.

Background art:

the pre-filter is a coarse filtration device. The pre-filter is mainly used for filtering coarse particle impurities, silt, iron rust and the like which are harmful to household water pipes and wading equipment in tap water. Therefore, coarse particle impurities, silt, rust, and the like are easily attached to the filter element of the prefilter, so that the water passing amount is reduced, and in a serious case, the filter screen on the filter element is also blocked.

Currently, pre-filter cartridges are cleaned by removing the cartridge for cleaning. Therefore, the filter element needs to be disassembled every time of cleaning, the disassembly and the assembly are complicated, the cleaning is inconvenient (the filter element is not easy to clean, and a narrow part in the shell is also not easy to clean), bacteria are easy to breed due to long sundry accumulation time, disinfection treatment is needed after thorough cleaning, and the process is complicated; meanwhile, the shell is in an opaque state, so that the water quality is affected due to blockage caused by accumulation of impurities; due to the adoption of the split structure, when the filter element is installed, the shell needs to be screwed for screwing, and water is easy to leak if the sealing is not tight.

The utility model has the following contents:

the utility model discloses the technical problem that will solve is: overcome prior art's not enough, the casing adopts transparent material, is convenient for observe the inside debris condition to adopt an organic whole structure to carry out the whole operation of changing, solve frequently to dismantle the disposable prefilter that washs the operation.

The technical scheme of the utility model is that: the utility model provides a disposable prefilter, is including having the filter vat that enters water end and go out the water end, be equipped with filter core, characterized by in the filter vat: the water outlet end of the filter barrel is provided with a cover body with a water inlet, a limiting gasket is arranged between the cover body and the filter barrel, a first cylindrical protrusion is arranged on the limiting gasket, a second annular groove is arranged at the water outlet end of the filter barrel, the filter element is of an annular structure and is fixed in the filter barrel through the first cylindrical protrusion and the second annular groove, the filter element and the filter barrel are in the same axis, the water outlet end of the filter barrel is provided with a water outlet communicated with the inner ring of the filter element, the cover body is fixedly bonded with the filter barrel into an integral structure through an adhesive, and eight-prism-column-shaped structures are arranged on the cover body and the filter barrel at the water outlet end.

Furthermore, through holes connected with the water inlet are formed in the limiting gaskets on the periphery of the first cylindrical protrusion, and the first cylindrical protrusion extends into the inner ring of the filter element.

Furthermore, the first cylindrical protrusion and the limiting gasket are of an integral structure.

Furthermore, the second annular groove is formed by matching a second annular bulge and a third annular bulge which are arranged on the filter barrel, and the third annular bulge extends into the inner ring of the filter element.

Furthermore, the second annular bulge and the third annular bulge and the filter vat are of an integral structure.

Furthermore, the water inlet is provided with an internal thread, the water outlet is provided with an external thread, and the number of the octagonal prism-shaped structures is at least two, and the octagonal prism-shaped structures are different in size.

Furthermore, filter vat, lid and spacing gasket are transparent PP material, lid and spacing gasket structure as an organic whole.

The utility model has the advantages that:

1. the utility model discloses a not detachable body structure, and adopt transparent PP to make, the people of being convenient for observe inside impurity volume, accumulate to certain degree back when impurity volume, directly carry out whole change, solved among the prior art because of frequently dismantling the loaded down with trivial details condition that the washing caused and because of sealed not tight emergence that causes the condition of leaking water.

2. The utility model discloses first cylindricality is protruding to be fixed with the both ends of second annular groove to the filter core, and first cylindricality is protruding to stretch into the inner circle of filter core with third annular protrusion, realizes the filter core fixed in the filter vat, prevents that it from moving about and influencing the filter effect.

3. The utility model discloses be provided with the through-hole with the water inlet intercommunication on the protruding spacing gasket all around of first cylindricality, the protruding setting of second annular is between filter core and filter vat simultaneously, makes and carries out certain storage space between filter core and the filter vat, the storage and the filtration of the water of being convenient for, and impurity storage is in storage space.

4. The utility model discloses in the inner circle of filter core was stretched into to first cylindricality arch, the realization stopped the inner circle on filter screen upper portion, and the water that gets into from the through-hole can not directly get into the filter screen inner circle, makes during water passes through the through-hole and gets into the storage space between filter screen inner circle and filter core and the filter vat, and water among the storage space pierces through the filter screen and gets into the filter screen inner circle, makes impurity storage in the storage space.

5. The utility model discloses all be provided with eight prismatic structure on the filter vat of lid and play water end, the people of being convenient for twist when carrying out the dismouting and move, eight prismatic structure and lid and filter vat structure as an organic whole increase its intensity simultaneously.

6. The utility model discloses the delivery port is direct to communicate with the inner circle of filter core, and the water that filters directly flows from the delivery port after getting into the filter core inner circle, is convenient for the direct outflow of drainage.

Description of the drawings:

fig. 1 is a schematic view of the assembly structure of the components of the disposable prefilter.

Fig. 2 is a top view of a disposable pre-filter.

Fig. 3 is a cross-sectional view taken along line C-C of fig. 2.

Fig. 4 is a component part structure view of the disposable prefilter.

The specific implementation mode is as follows:

example (b): referring to fig. 1, 2, 3 and 4, in the drawings, 1-a filter barrel, 2-a filter element, 3-a water inlet, 4-a cover body, 5-a limiting gasket, 6-a second annular groove (a second annular bulge 601 and a third annular bulge 602), 7-a first cylindrical bulge, 8-a water outlet, 9-an octagonal prism structure, 10-a through hole, 11-an inner ring and 12-a storage space.

The disposable prefilter comprises a filter barrel 1 with a water inlet end and a water outlet end, wherein a filter element 2 is arranged in the filter barrel 1, a cover body 4 with a water inlet 3 is arranged at the water outlet end of the filter barrel 1, a limiting gasket 5 is arranged between the cover body 4 and the filter barrel 1, a first cylindrical protrusion 7 is arranged on the limiting gasket 5, a second annular groove 6 is arranged at the water outlet end of the filter barrel 1, the filter element 2 is of an annular structure and is fixed in the filter barrel 1 through the first cylindrical protrusion 7 and the second annular groove 6, and is located on the same axis with the filter barrel 1, a water outlet 8 communicated with an inner ring 11 of the filter element 2 is arranged at the water outlet end of the filter barrel 1, the cover body 4 is fixedly bonded with the filter barrel 1 through an adhesive to form an integral structure, and eight-prism-shaped structures 9 are arranged on the cover body 4 and the filter barrel.

Furthermore, the limiting gasket 5 around the first cylindrical protrusion 7 is provided with a through hole 10 connected with the water inlet 3, and the first cylindrical protrusion 7 extends into the inner ring 11 of the filter element 2.

Further, the first cylindrical protrusion 701 and the limiting gasket 5 are of an integral structure.

Further, the second annular groove 6 is formed by the cooperation of a second annular projection 601 and a third annular projection 602, which are provided on the filter vat 1, the third annular projection 602 projecting into the inner ring 11 of the filter element 2.

Further, the second annular protrusion 601 and the third annular protrusion 602 are integrated with the filter vat 1.

Further, the water inlet 3 is provided with an internal thread, the water outlet 8 is provided with an external thread, and the number of the octagonal prism-shaped structures 9 is at least two, and the sizes of the octagonal prism-shaped structures are different.

Further, filter vat 1, lid 4 and spacing gasket 5 are transparent PP material, and lid 4 and spacing gasket 5 structure as an organic whole.

When the water filter is used, the water filter is connected with a pipeline through the internal thread at the water inlet 3 and the external thread at the water outlet 8, after entering from the water inlet 3, water enters the storage space 12 between the filter element 2 and the filter barrel 1 through the through hole 10 on the limiting gasket 5, then enters the inner ring 11 through the re-filtration of the filter element 2 and then flows out from the water outlet 8; because impurity can be stored in storage space 12 and spacing gasket 5 department, people observe impurity and reach the certain degree after, directly change.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments still fall within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a disposable prefilter, is including having the filter vat that enters water end and go out the water end, be equipped with filter core, characterized by in the filter vat: the water outlet end of the filter barrel is provided with a cover body with a water inlet, a limiting gasket is arranged between the cover body and the filter barrel, a first cylindrical protrusion is arranged on the limiting gasket, a second annular groove is arranged at the water outlet end of the filter barrel, the filter element is of an annular structure and is fixed in the filter barrel through the first cylindrical protrusion and the second annular groove, the filter element and the filter barrel are in the same axis, the water outlet end of the filter barrel is provided with a water outlet communicated with the inner ring of the filter element, the cover body is fixedly bonded with the filter barrel into an integral structure through an adhesive, and eight-prism-column-shaped structures are arranged on the cover body and the filter barrel at the water outlet end.

2. The disposable prefilter of claim 1 wherein: the limiting gaskets on the periphery of the first cylindrical protrusion are provided with through holes connected with the water inlet, and the first cylindrical protrusion extends into the inner ring of the filter element.

3. The disposable prefilter of claim 2 wherein: the first cylindrical protrusion and the limiting gasket are of an integral structure.

4. The disposable prefilter of claim 1 wherein: the second annular groove is formed by matching a second annular bulge and a third annular bulge which are arranged on the filter barrel, and the third annular bulge extends into the inner ring of the filter element.

5. The disposable prefilter of claim 4 wherein: the second annular bulge and the third annular bulge and the filter vat are of an integral structure.

6. The disposable prefilter of claim 1 wherein: the water inlet is provided with an internal thread, the water outlet is provided with an external thread, and the number of the octagonal prism-shaped structures is at least two, and the sizes of the octagonal prism-shaped structures are different.

7. The disposable prefilter of claim 1 wherein: the filter vat, the cover body and the limiting gasket are all made of transparent PP materials, and the cover body and the limiting gasket are of an integrated structure.