Quick-open type high-precision basket filter

Abstract

The utility model relates to a quick-open type high-precision basket filter, which comprises a filter upper cover, a filter gasket, a filter basket and a filter cylinder, the filter basket is arranged in the filter cylinder, a plurality of locking grooves are arranged on the periphery of the filter upper cover, a filter lower seat is welded at the upper end of the filter cylinder, a plurality of locking blocks are arranged on the filter lower seat, and the filter lower seat is connected with the filter gasket. The locking block is arranged in the locking groove; and a filter gasket is arranged between the filter upper cover and the filter lower seat on the filter cylinder body. The filter efficiency is improved, the shutdown time is shortened, the replacement and cleaning time of the filter bag and the filter basket is remarkably shortened through a rotary opening and locking mode, and the use and maintenance efficiency of equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the filter equipment field on pipeline, specifically fast open high-precision basket strainer. BACKGROUND

[0002] Basket strainer is a kind of commonly used filter equipment, filters sundries in pipeline, and its application field is very extensive, mainly used to filter impurities in liquid, gas and steam, protects equipment and pipeline from damage.

[0003] Filter basket is core component, is made of stainless steel mesh or punched plate and other metal filter materials.Filter basket's aperture size can be customized according to need, to intercept solid particles of different particle sizes.Filter basket shape is usually cut oblique cylindrical, fluid enters and exits from filter basket oblique cut, and flows out after filtering.

[0004] Traditional basket strainer has the following shortcomings:

[0005] 1, the particle precision that can filter is low, because the filtering precision of single layer metal filter screen is limited, if adopting multilayer sintering technology, the cost is relatively high.

[0006] 2, gap is prone to being generated between filter basket and filter basket support plate, leading to solid particles needing filtering mixing into clean fluid after filtering.

[0007] 3, in the use, often face the problem that filter screen is blocked and needs to be cleaned frequently, however, filter is difficult to open, filter screen is cumbersome to disassemble and assemble, and cleaning is inconvenient, leading to high maintenance cost and low efficiency.

[0008] Therefore, it is particularly important to design a basket strainer capable of being quickly opened and easily cleaned. INVENTION CONTENT

[0009] The utility model aims at providing a fast open high-precision basket strainer, which has simple structure, realizes two-stage high-precision filtering, can be quickly opened, improves operation convenience and reduces cost.

[0010] The technical scheme of the utility model:

[0011] A fast open high-precision basket strainer, comprising filter upper cover, filter gasket, filter basket, filter cylinder, the filter basket is placed in the filter cylinder, the filter upper cover is equipped with a plurality of locking grooves on the outer periphery, the upper end of the filter cylinder is welded with filter lower seat, a plurality of locking blocks are arranged on the filter lower seat, the locking blocks are placed in the locking grooves, and the filter gasket is arranged between the filter upper cover and the filter lower seat on the filter cylinder.

[0012] The utility model has the advantages of:

[0013] 1. The filter of the present application reduces the cost while improving the filtering precision of the basket filter. The filtering precision of the non-woven fabric filter bag can be from 0.5-600 microns. The application range is wide and the replacement cost is low.

[0014] 2. The filter of the present application improves the filtering quality and ensures the stability of the equipment. By adding the filter basket gasket and the pressing rod, the leakage of the impurities needing to be filtered is prevented.

[0015] 3. The filtering efficiency of the present application is improved, the downtime is reduced, and the rotating opening and locking mode significantly shortens the filter bag and filter basket replacement and cleaning time, improving the use and maintenance efficiency of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of the provided drawings.

[0017] Figure 1 is the overall structure assembly drawing of the quick-opening high-precision basket filter of the present application;

[0018] Figure 2 is the exploded view of the structural member of the quick-opening high-precision basket filter of the present application;

[0019] Figure 3 is the filter basket structure schematic diagram of the quick-opening high-precision basket filter of the present application.

[0020] Figure 4 is the sectional view of the quick-opening high-precision basket filter of the present application;

[0021] Figure 5 is the filter upper cover structure schematic diagram of the quick-opening high-precision basket filter of the present application.

[0022] Figure 6 is the filter lower seat structure schematic diagram of the quick-opening high-precision basket filter of the present application.

[0023] Reference signs:

[0024] Filter upper cover 1; filter gasket 2; filter basket 3; filter cylinder body 4; filter bag 5; filter basket gasket 6; inlet connecting pipe 7; outlet connecting pipe 8; locking groove 1-1; rotating support point 1-2; groove 1-3; clamping groove 1-4; lower edge 1-5; pressing rod 1-6; handle 3-1; filter basket metal ring 3-2; filter screen 3-3; pressing sheet 3-4; positioning block 3-5; filter lower seat 4-1; locking block 4-2; filter basket supporting plate 4-3; filter bag main body 5-1; filter bag positioning ring 5-2. DETAILED DESCRIPTION

[0025] In order to solve the problems in the background art, a high-precision basket filter capable of rapid disassembly and cleaning is invented. The purpose is to improve the filtering precision, simplify the maintenance process, reduce downtime, and be suitable for multiple fields such as industrial, agricultural irrigation, heating systems, water treatment, and domestic water use.

[0026] It should be noted that in the description of the present application, the terms "upper", "lower", "inner", "outer" and other terms indicating direction or positional relationship are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] A quick-opening high-precision basket filter includes a filter upper cover 1, a filter gasket 2, a filter basket 3, and a filter cylinder 4. The filter basket 3 is placed in the filter cylinder 4. The filter upper cover 1 is provided with a plurality of locking grooves 1-1 on the outer periphery. The filter lower seat 4-1 at the upper end of the filter cylinder 4 is provided with the same number of locking blocks 4-2 as the locking grooves. The locking blocks 4-2 are placed in the locking grooves 1-1. The filter gasket 2 is installed between the filter upper cover 1 and the filter lower seat 4-1 at the upper end of the cylinder. The locking grooves 1-1 include a plurality of recesses 1-3 opened on the lower edge of the filter upper cover. The inner end of the recess 1-3 extends along the circumference of the filter upper cover to form a clamping groove 1-4. The outer side of the clamping groove 1-4 is the lower edge 1-5 of the filter upper cover. The depth of the clamping groove 1-4 is the same as the thickness of the locking block 4-2. When in use, the locking block is placed in the recess, and the filter upper cover is rotated to make the locking block inserted into the clamping groove, forming a locking state.

[0029] As a further optimization, the filter upper cover 1 is provided with a plurality of rotating pivot points 1-2 on the outer periphery for rotating the filter upper cover.

[0030] As a further optimization, the filter basket 3 is provided with a filter bag 5, the filter basket 3 is composed of a handle 3-1, an inclined filter basket metal ring 3-2 and a filter screen 3-3, the upper end of the filter screen is the inclined filter basket metal ring, and the upper end of the filter basket metal ball is fixed with the handle. The filter bag 5 is composed of a filter bag body 5-1 and a filter bag positioning ring 5-2 with an opening at the upper end of the filter bag body. The lower end of the handle 3-1 is provided with a pressing plate 3-4 parallel to the filter basket metal ring. The lower end of the filter basket metal ring 3-2 is provided with a plurality of positioning blocks 3-5. The filter bag positioning ring 5-2 is arranged between the filter basket metal ring 3-2 and the pressing plate 3-4 and on the upper side of the positioning block 3-5.

[0031] As a further optimization, the filter basket 3 is provided with a filter bag 5, the filter basket 3 is composed of a handle 3-1, an inclined filter basket metal ring 3-2 and a filter screen 3-3, the upper end of the filter screen is the inclined filter basket metal ring, and the upper end of the filter basket metal ball is fixed with the handle. The filter bag 5 is composed of a filter bag body 5-1 and a filter bag positioning ring 5-2 with an opening at the upper end of the filter bag body. The lower end of the handle 3-1 is provided with a pressing plate 3-4 parallel to the filter basket metal ring. The lower end of the filter basket metal ring 3-2 is provided with a plurality of positioning blocks 3-5. The filter bag positioning ring 5-2 is arranged between the filter basket metal ring 3-2 and the pressing plate 3-4 and on the upper side of the positioning block 3-5.

[0032] The quick-opening high-precision basket filter of the present application can perform two-stage high-precision filtration on fluid through the filter bag and the filter basket. The filter basket gasket is arranged between the filter basket and the filter cylinder, and is compressed by the compression rod. The filter can be quickly disassembled and reset by the locking groove and the locking block. The utility model has the advantages of simple structure, low cost, high-precision filtration, prevention of internal leakage, quick filter maintenance, improved work efficiency, simplified operation and reduced downtime.

[0033] The use effect of the quick-opening high-precision basket filter of the present application is as follows:

[0034] In order to achieve the filtering effect, a non-woven fabric filter bag is arranged inside the metal filter screen of the filter basket. The non-woven fabric filter bag is made into a shape similar to that of the filter basket, and a filter bag positioning ring is arranged at the upper end of the filter bag. Fluid enters the filter bag for first-stage filtration, and then enters the filter screen for second-stage filtration. The filter bag is cleaned or replaced according to the degree of dirt, and the filter screen is generally cleaned. The filtering precision is improved while the cost is controlled. A pressing plate is arranged at the lower end of the handle inside (on the upper surface of the metal ring) of the filter basket, and a sliding channel for the filter bag positioning ring is formed between the pressing plate and the filter screen metal ring. Positioning blocks are arranged on the filter basket metal ring. The filter bag can be fixed inside the filter basket by the sliding channel and the positioning blocks, and will not be separated from the set position under the scouring of fluid.

[0035] In order to prevent the filtering impurities from mixing into the cleaned fluid through the gap between the filter basket and the filter basket support plate, an oval filter basket gasket is arranged between the filter basket metal ring and the filter basket support plate to prevent the leakage of dirt from the gap. A compression rod is arranged inside the filter cover to compress the filter basket, the filter basket gasket and the filter basket support plate to form a tightly connected whole, thereby preventing the leakage of dirt from the gap.

[0036] In order to realize the quick opening of the filter, solve the problem of complicated opening of the flange connection of the existing filter, and when designing the connection structure of the filter upper cover and the filter lower seat, the rotary opening and locking mode is adopted instead of the flange connection and bolt connection. The rotary locking structure is adopted, the locking block is arranged on the filter lower seat, and the locking groove is arranged on the filter upper cover. When the locking block enters the locking groove, the locking and installation of the filter upper cover can be completed by rotating the filter upper cover. Conversely, the filter can be opened by rotating the filter upper cover, and the disassembly is completed.

[0037] In order to rotate conveniently, the rotating fulcrum is arranged on the filter upper cover, and the filter upper cover is rotated through the rotating fulcrum when the upper cover is opened and reset. When the filter is too tight and inconvenient to rotate, a sleeve or a rope and the like can be used as a tool to assist the rotation at the rotating fulcrum.

[0038] When the internal pressure of the filter is relatively high, the filter upper cover can adopt an elliptical head or a spherical head and the like, so as to improve the stress condition of the filter upper cover, reduce the thickness of the filter upper cover, and reduce the manufacturing cost. In order to clean the filter basket, the sight glass with a flushing device can be arranged on the filter cylinder, the cleaning degree of the filter screen can be directly observed through the sight glass, and the flushing device can ensure the visibility of the sight glass. In order to use conveniently, the rotary lifting arm can be arranged on the filter upper cover, and the filter upper cover can be rotated to the side position through the lifting arm when the filter is opened. In order to monitor the filter basket, the pressure gauge or the pressure transmitter can be arranged on the filter inlet connecting pipe 7, the filter outlet connecting pipe 8 or the flange connection pipeline, so as to monitor the dirt degree of the filter basket and the filter screen.

[0039] The filter of the application is a high-precision basket type filter system capable of being quickly opened and cleaned. Through the innovative structure design, the two-stage high-precision filtration is realized, the internal components of the filter basket are quickly disassembled, cleaned and replaced, the operation convenience is improved, and the cost is reduced.

[0040] The cleaning process of the quick-opening high-precision basket type filter of the application is as follows:

[0041] When the filter needs to be cleaned due to serious dirt inside, the front and rear valves of the filter are closed, the rotating pivot is turned, the filter upper cover is rotated, the locking block is separated from the locking groove, the filter upper cover and the filter lower seat on the upper end of the filter cylinder are unlocked, the filter upper cover is removed, the filter bag and the filter basket are lifted out of the filter cylinder through the lifting handle on the filter basket, the filter bag positioning ring is pulled out of the slide formed by the pressing plate and the filter basket metal ring, the filter bag and the filter basket are cleaned or replaced, the filter gasket and the filter basket gasket are checked and replaced if necessary, after the cleaning and replacement work is completed, the filter bag positioning ring is sent into the filter basket through the slide, and is fixed by the pressing plate and the positioning block. The filter basket gasket is placed on the filter basket support plate, the filter bag and the filter basket are lifted into the filter cylinder, and are placed on the filter basket support plate. The filter upper cover is placed on the filter lower seat on the upper end of the filter cylinder, the locking block is rotated into the clamping groove of the locking groove, and the pressing rod is located directly above the lifting handle. The rotating pivot is turned, the filter upper cover is rotated, and the filter upper cover and the filter lower seat on the upper end of the filter cylinder are locked. The front and rear valves of the filter are opened, and all work is completed.

[0042] The above describes the utility model and its embodiments in a schematic manner, which is not restrictive, and the embodiments shown in the drawings are only one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person skilled in the art is inspired thereby, and does not deviate from the technical solution content of the utility model, and designs similar structural modes and embodiments to the above embodiments according to the technical essence of the utility model without creativity, all should belong to the protection scope of the utility model.

Claims

1. A quick-opening, high-precision basket filter, characterized in that: The filter includes a filter cover, a filter gasket, a filter basket, and a filter cylinder. The filter basket is placed inside the filter cylinder. The filter cover has multiple locking grooves on its outer periphery. A filter base is welded to the upper end of the filter cylinder. The filter base has multiple locking blocks placed in the locking grooves. A filter gasket is installed between the filter cover and the filter base on the filter cylinder.

2. The quick-opening high-precision basket filter according to claim 1, characterized in that: The locking groove includes multiple grooves on the lower edge of the filter cover. The inner end of the groove extends along the circumference of the filter cover to form a locking groove. The outer side of the locking groove is the lower edge of the filter cover. The depth of the locking groove is the same as the thickness of the locking block.

3. The quick-opening high-precision basket filter according to claim 1, characterized in that: The filter cover has multiple rotation points on its outer periphery.

4. The quick-opening high-precision basket filter according to claim 1, characterized in that: The filter basket contains a filter bag. The filter basket consists of a handle, an inclined filter basket metal ring, and a filter screen. The filter bag consists of a filter bag body and a filter bag positioning ring with an opening at the upper end of the filter bag body. The lower end of the handle is provided with a pressure plate parallel to the filter basket metal ring. The lower end of the filter basket metal ring is provided with multiple positioning blocks. The filter bag positioning ring is placed between the pressure plate and the filter basket metal ring and is positioned on the upper side of the positioning blocks.

5. A quick-opening high-precision basket filter according to claim 1, characterized in that: The filter cylinder is equipped with a filter basket support plate inside, and a filter basket gasket is provided between the filter basket support plate and the filter basket metal ring.

6. A quick-opening high-precision basket filter according to claim 5, characterized in that: The filter cover is equipped with a clamping rod inside, and the clamping rod rests against the upper end of the handle.

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