Novel pleated filter bag

Abstract

The utility model relates to the technical field of filter bags, in particular to a novel pleated filter bag, which comprises a filter bag body, a plurality of groups of fixing mechanisms are arranged on the surface of the filter bag body, each fixing mechanism comprises an inner lantern ring and an outer lantern ring, the inner lantern rings are arranged inside the filter bag body, the outer lantern rings are arranged outside the filter bag body, and the inner lantern rings are connected with the outer lantern rings. The inner lantern ring is arranged on the surface of the inner wall of the outer lantern ring, the inner lantern ring and the outer lantern ring are matched in shape, and the filter bag body, the inner lantern ring and the outer lantern ring are fixed through a plurality of groups of locking devices. The inner lantern ring and the outer lantern ring are matched for use, so that the fixing and supporting effects on the filter bag are improved, dust removal is not influenced, and the working efficiency is improved; the filter bag is firmly fixed by the first outer bulge, the second inner recess, the first outer recess and the second inner bulge, so that the filter bag is not easy to deform, the mechanical wear of the filter bag is small, and the service life of the filter bag is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of filter bags, in particular to a novel pleated filter bag. Background Art

[0002] Filter bags are the core components of dust removal, especially pleated filter bags, which are more commonly used. Most of the existing pleated filter bags use traditional support methods, which have poor support effects and affect the efficiency and effect of dust removal; the filter bags are easily deformed during use, which leads to serious mechanical wear of the filter bags, affecting work and being unfavorable for use. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a new type of pleated filter bag.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A novel pleated filter bag is designed, comprising a filter bag body, wherein the surface of the filter bag body is provided with a plurality of fixing mechanisms, wherein the fixing mechanisms comprise an inner ring and an outer ring, wherein the inner ring is arranged inside the filter bag body, and the outer ring is arranged outside the filter bag body, and the inner ring is arranged on the inner wall surface of the outer ring, and the shapes of the two are matched, and the filter bag body, the inner ring and the outer ring are fixed by a plurality of locking devices.

[0006] Preferably, the inner ring includes a first ring body, the outer surface of the first ring body is provided with a plurality of first outer protrusions and a first outer recess, the plurality of first outer protrusions and the first outer recess are arranged at intervals, the inner wall of the first ring body is provided with a plurality of first inner protrusions and a first inner recess, the plurality of first inner protrusions and the first inner recess are arranged at intervals, the first outer protrusions correspond to the positions of the first inner recesses, the first outer recesses correspond to the positions of the first inner protrusions, and the surfaces of the plurality of first outer protrusions are provided with a plurality of first mounting holes.

[0007] Preferably, the outer ring includes a second ring body, the outer surface of the second ring body is provided with a plurality of second outer protrusions and a second outer recess, the plurality of second outer protrusions and the second outer recess are arranged at intervals, the inner wall of the second ring body is provided with a plurality of second inner protrusions and a second inner recess, the plurality of second inner protrusions and the second inner recess are arranged at intervals, the second outer protrusions correspond to the positions of the second inner recesses, the second outer recesses correspond to the positions of the second inner protrusions, and the surfaces of the plurality of second outer protrusions are provided with a plurality of second mounting holes.

[0008] Preferably, the locking device is fixed by a screw structure.

[0009] Preferably, the locking device is fixed using a mortise and tenon structure.

[0010] The utility model proposes a novel pleated filter bag, which has the beneficial effects of: an inner sleeve ring and an outer sleeve ring structure are provided, which are used in combination to improve the fixing and supporting effect of the filter bag, and will not affect dust cleaning, thereby improving work efficiency; the first outer protrusion, the second inner recess and the first outer recess, the second inner protrusion firmly fix the filter bag, making it difficult for the filter bag to deform, thereby reducing the mechanical wear of the filter bag and improving the service life of the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a top cross-sectional view of the utility model;

[0012] Figure 2 It is a structural schematic diagram of the utility model;

[0013] Figure 3 This is a schematic diagram of the structure of the inner sleeve ring of the utility model;

[0014] Figure 4 It is a structural schematic diagram of the outer sleeve ring of the utility model.

[0015] In the figure: filter bag body 1, inner ring 2, first ring body 21, first outer protrusion 22, first outer recess 23, first inner protrusion 24, first inner recess 25, first mounting hole 26, outer ring 3, second ring body 31, second outer protrusion 32, second outer recess 33, second inner protrusion 34, second inner recess 35, second mounting hole 36, locking device 4. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0017] Example 1

[0018] Reference Figure 1-4 A new type of pleated filter bag includes a filter bag body 1. The surface of the filter bag body 1 is provided with multiple sets of fixing mechanisms, and the fixing mechanisms include an inner ring 2 and an outer ring 3. The inner ring 2 is arranged inside the filter bag body 1, and the outer ring 3 is arranged outside the filter bag body 1. The inner ring 2 is arranged on the inner wall surface of the outer ring 3, and the shapes of the two are matched, so as to fix the filter bag body 1.

[0019] The inner sleeve ring 2 includes a first ring body 21, the outer surface of the first ring body 21 is provided with a plurality of first outer protrusions 22 and a first outer recess 23, the plurality of first outer protrusions 22 and the first outer recess 23 are arranged at intervals, the inner wall of the first ring body 21 is provided with a plurality of first inner protrusions 24 and a first inner recess 25, the plurality of first inner protrusions 24 and the first inner recess 25 are arranged at intervals, the first outer protrusions 22 correspond to the first inner recess 25 in position, the first outer recess 23 corresponds to the first inner protrusion 24 in position, and the surfaces of the plurality of first outer protrusions 22 are provided with a plurality of first mounting holes 26 for fixing the filter bag body 1.

[0020] The outer ring 3 includes a second ring body 31, the outer surface of which is provided with a plurality of second outer protrusions 32 and a second outer recess 33, which are arranged at intervals, and the inner wall of the second ring body 31 is provided with a plurality of second inner protrusions 34 and a second inner recess 35, which are arranged at intervals, the second outer protrusions 32 and the second inner recess 35 are located correspondingly, the second outer recess 33 and the second inner protrusion 34 are located correspondingly, and the surfaces of the plurality of second outer protrusions 32 are provided with a plurality of second mounting holes 36 for fixing the filter bag body 1.

[0021] The filter bag body 1, the inner sleeve ring 2 and the outer sleeve ring 3 are fixed by multiple sets of locking devices 4, and the locking devices 4 are fixed by screw structures.

[0022] During installation, the inner ring 2 is placed inside the filter bag body 1, and the outer ring 3 is placed outside the filter bag body 1. The inner ring 2 and the outer ring 3 are used to firmly fix the filter bag body 1 through the first outer protrusion 22, the second inner recess 35 and the first outer recess 23, the second inner protrusion 34. The filter bag body 1 and the inner ring 2 and the outer ring 3 are firmly fixed through the first mounting hole 26 and the second mounting hole 36 with screws.

[0023] Example 2

[0024] Reference Figure 1-4 In this embodiment, a new type of pleated filter bag is provided, and the locking device 4 can also be fixed by a mortise and tenon structure.

[0025] The filter bag body 1 and the inner and outer rings 2 and 3 are fixed by a mortise and tenon structure through the first mounting hole 26 and the second mounting hole 36 , and the structure is simple and practical.

[0026] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel pleated filter bag, comprising a filter bag body (1), wherein the surface of the filter bag body (1) is provided with a plurality of fixing mechanisms, characterized in that: The fixing mechanism comprises an inner ring (2) and an outer ring (3); the inner ring (2) is arranged inside the filter bag body (1), and the outer ring (3) is arranged outside the filter bag body (1); the inner ring (2) is arranged on the inner wall surface of the outer ring (3), and the shapes of the two are matched; the filter bag body (1), the inner ring (2) and the outer ring (3) are fixed by multiple sets of locking devices (4).

2. A novel pleated filter bag according to claim 1, characterized in that: The inner sleeve ring (2) comprises a first ring body (21), the outer surface of the first ring body (21) is provided with a plurality of first outer protrusions (22) and first outer recesses (23), the plurality of first outer protrusions (22) and first outer recesses (23) are arranged at intervals, the inner wall of the first ring body (21) is provided with a plurality of first inner protrusions (24) and first inner recesses (25), the plurality of first inner protrusions (24) and first inner recesses (25) are arranged at intervals, the first outer protrusions (22) correspond to the first inner recesses (25), the first outer recesses (23) correspond to the first inner protrusions (24), and the surfaces of the plurality of first outer protrusions (22) are all provided with a plurality of first mounting holes (26).

3. A novel pleated filter bag according to claim 2, characterized in that: The outer ring (3) comprises a second ring body (31), the outer surface of the second ring body (31) is provided with a plurality of second outer protrusions (32) and second outer recesses (33), the plurality of second outer protrusions (32) and second outer recesses (33) are arranged at intervals, the inner wall of the second ring body (31) is provided with a plurality of second inner protrusions (34) and second inner recesses (35), the plurality of second inner protrusions (34) and second inner recesses (35) are arranged at intervals, the second outer protrusions (32) correspond to the second inner recesses (35), the second outer recesses (33) correspond to the second inner protrusions (34), and the surfaces of the plurality of second outer protrusions (32) are provided with a plurality of second mounting holes (36).

4. A novel pleated filter bag according to claim 3, characterized in that: The locking device (4) is fixed by a screw structure.

5. A novel pleated filter bag according to claim 3, characterized in that: The locking device (4) is fixed by using a mortise and tenon structure.

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