CN213347978U

CN213347978U - Tubular filter

Info

Publication number: CN213347978U
Application number: CN202021130627.6U
Authority: CN
Inventors: 秦明
Original assignee: Anhui Changjiang Steel Co Ltd
Current assignee: Anhui Changjiang Steel Co Ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-06-04
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses a tubular filter belongs to the filter field. A tubular filter comprising: the outer wall of the filter tube is provided with a plurality of through grooves; the filter element is sleeved outside the filter tube; the filter screen is attached to the inner wall, and two ends of the filter screen extend out of the through groove; and the fastening piece is detachably arranged on the outer wall of the filter pipe and is used for fixing the part of the filter screen, which extends out of the through groove, on the outer wall of the filter pipe. Compared with the prior art, the filter can better fix the filter screen in the filter, and can remove the filter element or the filter screen alone, change, it is more convenient to use.

Description

Tubular filter

Technical Field

The utility model relates to a filter field, concretely relates to tubular filter core.

Background

The filter is a common filtering device, is used for filtering impurities in a pipeline, and is widely applied to the field of pumps. The filter element is a main functional part of the filter and intercepts impurities in the filter. In the field of pumps, filter screens are mostly adopted for filter elements. In the existing filter, a filter element is mostly adopted to wrap a filter screen, and the filter screen is often difficult to fix.

The filter screen is fixed in the existing filter by welding, however, the filter screen is partially damaged in the welding process, and the welded part is easy to loosen due to corrosion after being used for a long time, so that the fixing effect is not reliable. On the other hand, the welding is an irremovable joining process, so that when the filter screen is damaged, the filter cartridge must be replaced by opening it.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a tubular filter.

The purpose of the utility model can be realized by the following technical scheme:

a tubular filter comprising:

the outer wall of the filter tube is provided with a plurality of through grooves;

the filter element is sleeved outside the filter tube;

the filter screen is attached to the inner wall of the sleeve, and two ends of the filter screen extend out of the through groove; and

and the fastening piece is detachably arranged on the outer wall of the filter pipe and is used for fixing the part of the filter screen, which extends out of the through groove, on the outer wall of the filter pipe.

Further, the filter screen part is followed the one end of filter tube is popped out, the portion of filter screen is popped out the cover is equipped with solid fixed ring on the part of filter tube.

Further, the fastener is fastening screw, fastening screw's nut end is greater than the aperture of filter screen, set up threaded hole on the chimney filter, fastening screw passes the filter screen with the screw hole cooperation.

Further, the fastener is shaft-like, and along the axial of chimney filter arranges, the both ends of filter screen all convolute on the outer wall of fastener, the cover is equipped with the sleeve pipe on the outer wall of chimney filter, the fastener extends to and the block is in between sleeve pipe and the chimney filter.

Furthermore, the fastening piece is in a rod shape, two first clamping blocks are arranged on the fastening piece, first clamping grooves are respectively formed in two ends, extending out of the through groove, of the filter screen, and the first clamping blocks are matched with the first clamping grooves; and a second clamping block is arranged on the end face, close to the outer wall of the filter tube, of the fastener, a second clamping groove is formed in the outer wall of the filter tube, and the second clamping groove is matched with the second clamping block.

Furthermore, the cross section of the first clamping block along the direction perpendicular to the axis of the filter tube is trapezoidal, and the long side of the trapezoid is clamped in the first clamping groove.

The utility model has the advantages that:

the utility model discloses an among the filter, through fastener fastening filter screen, for the welding, it is fixed more firm to can not destroy the structure of filter screen itself. On the other hand, can dismantle fast, it is more convenient to maintain.

Drawings

The present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a cross-sectional view of one embodiment of the present application;

FIG. 3 is a cross-sectional view of another embodiment of the present application;

FIG. 4 is a schematic perspective view of another embodiment of the present application;

FIG. 5 is a cross-sectional view of yet another embodiment of the present application;

fig. 6 is a partially enlarged view of a portion a in fig. 5.

The parts corresponding to the reference numerals in the figures are as follows:

1. filtering with a screen; 2. a sleeve; 3. a filter tube; 4. a fastener; 5. a through groove; 6. a second fixture block; 7. a first clamping block.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

A tubular filter comprising: the filter comprises a filter tube 3, a filter element, a filter screen 1 and a fastener 4, wherein the outer wall of the filter tube 3 is provided with a plurality of through grooves 5; the filter element is sleeved outside the filter tube 3; the filter screen 1 is attached to the inner wall of the sleeve 2, and two ends of the filter screen extend out of the through groove 5; and a fastening member 4 detachably mounted to the outer wall of the filter tube 3 for fixing the portion of the filter net 1 protruding out of the through groove 5 to the outer wall of the filter tube 3.

The filter screen 1 part is followed the one end of filter tube 3 and is leaned out, and the cover is equipped with solid fixed ring on the part of filter screen 1's the lean out filter tube 3, and solid fixed ring encircles filter screen 1, prevents that filter screen 1 is not hard up.

As shown in fig. 1 and 2, in an embodiment of the present invention, more specifically, the fastening member 4 is a fastening screw, a nut end of the fastening screw is larger than an aperture of the filter screen 1, a threaded hole is formed in the filter tube 3, and the fastening screw passes through the filter screen 1 and is matched with the threaded hole. It can be understood that, when the filter in this embodiment is installed, after the filter screen 1 passes through the through grooves 5, both ends of the filter screen 1 are placed on the outer wall of the filter tube 3. And make both ends alternately overlap, pass the part that overlaps alternately with the screw again this moment, screw in threaded hole, can fix filter screen 1 on chimney 3, must not loosen and take off, for the welding, this kind of mode is more firm, and can not destroy filter screen 1. When the filter element is disassembled, the filter tube 3 is taken out only by taking the filter element out, and then the fastening screw is unscrewed to take the filter tube out, so that the replacement and the maintenance are more convenient.

In another embodiment of the present invention, as shown in fig. 3, the fastening member 4 is rod-shaped and arranged along the axial direction of the filtering tube 3, both ends of the filtering net 1 are wound on the outer wall of the fastening member 4, the outer wall of the filtering tube 3 is sleeved with the sleeve 2, and the fastening member 4 extends to and is clamped between the sleeve 2 and the filtering tube 3. That is to say, when fixing the filter screen 1, the two ends of the filter screen 1 can be penetrated out from the through grooves 5, the two ends of the filter screen 1 outside the through grooves 5 are wound on the rod-shaped fastening pieces 4, the fastening pieces 4 are tightly attached to the outer wall of the filter pipe 3, the sleeve 2 is sleeved, and the fastening pieces 4 are tightly fastened and fixed on the outer wall of the filter pipe 3. When the filter screen 1 is disassembled, the filter screen 1 can be disassembled only by disassembling the sleeve 2 and reversely rotating the fastening piece 4. Through the operation, the two ends of the filter screen 1 can be quickly fixed, and quick disassembly is realized at the same time, and the filter screen 1 cannot be damaged.

As shown in fig. 4-6, in another embodiment of the present invention, the fastening member 4 is rod-shaped, instead, two first locking blocks 7 are disposed on the fastening member 4, first locking grooves are respectively disposed at two ends of the filter screen 1 protruding from the through groove 5, and the first locking blocks 7 are matched with the first locking grooves; the end face, close to the outer wall of the filter tube 3, of the fastener 4 is provided with a second clamping block 6, the outer wall of the filter tube 3 is provided with a second clamping groove, and the second clamping groove is matched with the second clamping block 6. That is to say, when installing filter screen 1, wear out from logical groove 5 at the both ends of filter screen 1 earlier, install fastener 4 again for first fixture block 7 aligns with first draw-in groove, and second fixture block 6 aligns with the second draw-in groove, after inserting fastener 4 along the axial of chimney 3, fastener 4 and the both ends block of filter screen 1

More specifically, in the present embodiment, the cross section of the first latch 7 along the direction perpendicular to the axis of the filter tube 3 is trapezoidal, and the long side of the trapezoid is engaged with the first engaging groove.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A tubular filter, comprising:

the filter element is sleeved outside the filter tube;

2. The tube filter of claim 1 wherein the screen portion extends from an end of the filter tube, and a retaining ring is disposed over a portion of the screen extending out of the filter tube.

3. The tube filter of claim 1 wherein the fastener is a fastening screw, the head of the fastening screw is larger than the diameter of the filter screen, the filter tube has a threaded hole, and the fastening screw passes through the filter screen and engages with the threaded hole.

4. The tube filter of claim 1 wherein the fastener is rod-shaped and is disposed along the axial direction of the filter tube, the filter screen is wrapped at both ends around the outer wall of the fastener, the outer wall of the filter tube is sleeved with a sleeve, and the fastener extends to and is engaged between the sleeve and the filter tube.

5. The tube filter of claim 1, wherein the fastening member is in the shape of a rod, two first locking blocks are provided on the fastening member, first locking grooves are respectively provided at two ends of the filter screen protruding from the through groove, and the first locking blocks are matched with the first locking grooves; and a second clamping block is arranged on the end face, close to the outer wall of the filter tube, of the fastener, a second clamping groove is formed in the outer wall of the filter tube, and the second clamping groove is matched with the second clamping block.

6. The tube filter of claim 5 wherein the first block has a trapezoidal cross-section perpendicular to the axis of the filter tube, the long side of the trapezoid engaging in the first engaging groove.