Filter with replaceable filter element

Abstract

The utility model discloses a filter with a replaceable filter element, which comprises a filter cover, the bottom of the filter cover is spirally connected with a filter tank, sawteeth are distributed on the side edge of the filter cover, a fixed pipe is vertically arranged on the filter cover, the fixed pipe is communicated with the filter cover, a gasket is arranged in the filter cover, and a filter screen is arranged in the filter tank. An adsorption assembly is arranged between the outer side of the filter screen and the inner side of the filter tank, a second fixing pipe is vertically arranged at the bottom of the filter tank in a communicating mode, the bottom of the filter tank is of a funnel structure, external threads are arranged on the outer side of the upper end of the filter tank, and internal threads are arranged on the inner ring of the filter cover. The filter cover and the filter tank are movably connected through threads, the filter screen can be movably detached, meanwhile, the adsorption assembly is arranged to adsorb iron impurities in the oil product filtering process, and the filtering effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to filter technical field, concretely is a filter with replaceable filter element. BACKGROUND

[0002] Most of the existing filters are of integrated structure, and need to be replaced according to the use condition during use, so that the filter element in the filter shell cannot be replaced alone under the condition that the filter shell is complete, thus causing waste of the filter shell, being not conducive to environmental protection requirements, and needing to be replaced constantly, which is inconvenient to use, and therefore a filter with replaceable filter element needs to be designed to facilitate replacement of the filter element, facilitate disassembly, and improve environmental protection requirements. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a filter with replaceable filter element to solve the problem that the existing filter is integrally arranged and cannot be disassembled and replaced alone, which is not conducive to environmental protection requirements.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented by the following technical scheme: a filter with replaceable filter element, comprising a filter cover, a filter groove is spirally connected at the bottom of the filter cover, sawteeth are arranged on the side of the filter cover, a fixing pipe is vertically arranged on the filter cover, the fixing pipe is in communication with the filter cover, a gasket is arranged inside the filter cover, a filter screen is arranged in the filter groove, an adsorption assembly is arranged between the outside of the filter screen and the inside of the filter groove, a second fixing pipe is vertically and in communication arranged at the bottom of the filter groove, the bottom of the filter groove is in the form of a funnel structure, external threads are arranged on the outside of the upper end of the filter groove, internal threads are arranged in the inner ring of the filter cover, the sawteeth are arranged to increase the friction during rotation of the filter cover, facilitating rotation of the filter cover, the filter cover and the filter groove are threadedly connected, the filter screen can be disassembled, the adsorption assembly is arranged to adsorb iron impurities in the oil during filtration, and the filtration effect is improved.

[0005] The preferred structure of the present scheme comprises that the adsorption assembly comprises a vertically arranged support plate, an arc-shaped groove is vertically arranged on the inside of the support plate, the arc-shaped groove extends in the height direction of the support plate, and a magnet ball is arranged between the arc-shaped grooves of the support plates, the magnet balls are arranged in multiple in the height direction of the support plate, the magnet balls are placed in fixed positions by the support plates, the placement of the filter screen is not affected during placement and replacement of the filter screen, and the adsorption of impurities in the filter screen is realized.

[0006] The preferred structure of the present scheme further comprises that the adsorption assemblies are circumferentially arranged in multiple between the outside of the filter screen and the filter groove, the multiple adsorption assemblies realize adsorption of impurities in the oil in the overall filter screen, and the overall adsorption effect is improved.

[0007] As another preferred structure of the present scheme, the outer ring is arranged outside the upper end of the filter screen, and the outer ring is in contact with the inner wall of the filter groove. By arranging the outer ring, the filter screen is limited in the height range of the filter groove, and the bottom of the filter screen is suspended from the inner bottom of the filter groove, so that the oil can leak out of the filter screen into the filter groove.

[0008] As another preferred structure of the present scheme, the support plate is fixedly connected between the inner side of the filter groove, and the magnet ball is movably connected between the support plates. By movably connecting the magnet ball and the support plate, the magnet ball in the support plate can be replaced, and the magnet ball after being adsorbed can be replaced and cleaned.

[0009] The utility model discloses beneficial effect is through setting up the filter cover and the filter groove between the connection of screw connection, can replace the filter screen in the filter groove, it is convenient for repeatedly using filter cover and filter groove, in the use process, through replacing the filter screen alone realizes the repeated use of filter cover and filter groove, realizes the resource saving operation, in the following embodiment further explanation. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0011] Fig. 2 It is the structure schematic diagram of filter coverless state;

[0012] Fig. 3 It is the structure schematic diagram of filter screen;

[0013] Fig. 4 It is the structure schematic diagram of adsorption assembly;

[0014] In the drawing: 1 filter cover, 2 fixed pipe, 3 sawtooth, 4 filter groove, 5 second fixed pipe, 6 filter screen, 6-1 outer ring, 7 adsorption assembly, 7-1 support plate, 7-2 arc slot, 7-3 magnet ball, 8 outer thread; DETAILED DESCRIPTION

[0015] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described in combination with specific embodiments.

[0016] Reference Figs. 1 to 4, The filter cover includes a filter cover, a filter groove arranged at the bottom of the filter cover through screw connection, sawteeth arranged at the side of the filter cover, a fixing tube arranged vertically on the filter cover and communicated with the filter cover, a gasket arranged inside the filter cover, a filter screen arranged in the filter groove, an adsorption assembly arranged between the outside of the filter screen and the inside of the filter groove, a second fixing tube arranged vertically and communicated with the bottom of the filter groove, a funnel structure arranged at the bottom of the filter groove, external threads arranged at the outside of the upper end of the filter groove, and internal threads arranged at the inner ring of the filter cover. The sawteeth increase the friction during the rotation of the filter cover, facilitating the rotation operation of the filter cover. The filter cover and the filter groove are connected through screw threads, so that the filter screen can be disassembled. The adsorption assembly is arranged to adsorb the iron impurities in the oil during the filtration process, improving the filtration effect. The adsorption assembly includes a support plate arranged vertically, an arc-shaped groove arranged vertically at the inside of the support plate, the arc-shaped groove extending in the height direction of the support plate, and a plurality of magnet balls arranged between the arc-shaped grooves of the support plates. The magnet balls are arranged at fixed positions through the support plates, which does not affect the placement of the filter screen during the placement and replacement of the filter screen, and simultaneously realizes the adsorption of the impurities in the filter screen. The adsorption assembly is arranged in a plurality of circumferential directions between the outside of the filter screen and the filter groove, and the plurality of adsorption assemblies realize the adsorption of the impurities in the oil in the overall filter screen, improving the overall adsorption effect. The outer ring of the filter screen extends outward at the upper end, and the outer ring is in contact with the inner wall of the filter groove. The outer ring limits the filter screen in the height range of the filter groove, and the bottom of the filter screen is suspended from the inner bottom of the filter groove, facilitating the leakage of the oil from the filter screen to the filter groove. The support plate is fixedly connected to the inner side of the filter groove, and the magnet balls are movably connected between the support plates. The magnet balls are movably connected between the support plates and the support plates, facilitating the replacement of the magnet balls in the support plates and the replacement and cleaning of the magnet balls after adsorption.

[0017] During the implementation process, the filter cover is unscrewed from the filter groove, the adsorption assembly is arranged on the inner wall of the filter groove, the filter screen is placed in the filter groove after the placement is completed, the filter cover and the filter groove are tightened, the overall filter is installed at the use position after the tightening is completed, the oil is filtered, the filter screen is replaced when the filter screen needs to be replaced after a certain period of use, the filter cover and the filter groove are unscrewed, the filter screen is replaced, the overall filter is repeatedly installed, the filter cover and the filter groove are repeatedly used, the impurities are adsorbed through the adsorption assembly, the filtration effect is improved, the environmental protection requirements are met, and the use is more convenient and more energy-saving.

Claims

1. A filter with a replaceable filter element, comprising a filter cover (1), wherein a filter groove (4) is spirally connected to the bottom of the filter cover, serrations (3) are distributed on the side of the filter cover, a fixing tube (2) is vertically arranged on the filter cover, the fixing tube is connected to the filter cover, a gasket is provided inside the filter cover, and a filter screen (6) is provided in the filter groove, characterized in that: The filter screen outside and the filter tank inside are provided with an adsorption assembly (7), the filter tank bottom is vertically communicated with a second fixed pipe (5), the filter tank bottom is provided as a funnel structure, the filter tank upper end outside is provided with an external thread (8), and the filter cover inner ring is provided with an internal thread.

2. The replaceable cartridge filter of claim 1, wherein: The adsorption assembly (7) comprises vertically arranged support plates (7-1), the inner side of the support plate is vertically provided with an arc-shaped groove (7-2), the arc-shaped groove is extended in the height direction of the support plate, and the arc-shaped grooves between the support plates are provided with magnet balls (7-3), and the magnet balls are distributed in multiple in the height direction of the support plate.

3. The replaceable cartridge filter of claim 1, wherein: The adsorption assembly (7) is circumferentially distributed between the filter screen (6) outside and the filter tank (4).

4. The replaceable cartridge filter of claim 1, wherein: The filter screen (6) is provided with an outer ring (6-1) extending outward at the upper end, and the outer ring is in contact with the inner wall of the filter tank.

5. The replaceable cartridge filter of claim 2, wherein: The support plate (7-1) is fixedly connected between the filter tank (4) inner side surface, and the magnet ball (7-3) is movably connected between the support plates.

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