CN215388246U

CN215388246U - Fold dust removal filter bag

Info

Publication number: CN215388246U
Application number: CN202122178786.4U
Authority: CN
Inventors: 赵喆
Original assignee: Fushun Huanmei Environmental Protection Technology Co ltd
Current assignee: Fushun Huanmei Environmental Protection Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-01-04
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a pleated dust-removing filter bag, which comprises an upper connecting plate, a sealing plate, a filter bag main body and a filter bag framework, wherein the filter bag framework comprises an inner supporting rod, a supporting ring and an outer supporting rod, one ends of the inner supporting rod and the outer supporting rod are welded on the bottom surface of the upper connecting plate, the filter bag main body comprises a bag opening annular ring, a pleated part and a bag bottom annular ring, the bag opening annular ring and the bag bottom annular ring are sewn and connected with two ends of the pleated part, the pleated part comprises a pleated convex part and a pleated groove part, the pleated convex part is correspondingly sleeved on the outer side of the outer supporting rod, the inner side of the pleated groove part is sewn and connected with connecting cloth, a through hole is formed in the connecting cloth, and an annular elastic piece is installed in the through hole. Has the advantages that: according to the utility model, the annular elastic part is contracted and reset to drive the fold protruding part and the fold groove part to restore to the original fold shape, so that the phenomenon that the fold parts are randomly stacked is not easy to occur, and the efficient dust removal use of the fold dust removal filter bag is further ensured.

Description

Fold dust removal filter bag

Technical Field

The utility model relates to the technical field of dust removal filter bags, in particular to a pleated dust removal filter bag.

Background

The fold dust-removing filter bag is a dust-removing filter bag with a special shape, also called a star-shaped dust-removing filter bag, and is a novel dust-removing filter bag which can be applied to a pulse bag type dust collector.

Traditional fold dust removal filter bag mostly uses spacing cloth to prevent fold bellying or fold groove portion excessive deformation when the jetting of filter bag, but long-time the back of using, spacing cloth still is difficult to keep the original fold shape with the fold bellying or the fold groove portion of filter bag, the indiscriminate phenomenon of piling up of fold portion in disorder appears in the inevitable, influence the normal high-efficient use of fold dust removal filter bag, in addition, current fold dust removal filter bag cup joints back on the filter bag skeleton, the installation closing plate still need be connected to filter bag skeleton bottom, traditional connected mode is comparatively loaded down with trivial details complicacy, the installation effectiveness of fold dust removal filter bag has been reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a pleated dust filter bag which has the advantages that the pleated convex part or the pleated groove part can keep the original pleated shape, so that the normal and efficient use of the pleated dust filter bag is ensured, the filter bag framework and the sealing plate can be quickly installed and connected, the installation efficiency of the pleated dust filter bag is improved, and the problems in the background art are solved.

(II) technical scheme

In order to realize the advantages that the fold convex part or the fold groove part can keep the original fold shape, thereby ensuring the normal and efficient use of the fold dust-removing filter bag, being capable of quickly installing and connecting a filter bag framework and a sealing plate and improving the installation efficiency of the fold dust-removing filter bag, the utility model adopts the following specific technical scheme: the utility model provides a fold dust removal filter bag, includes upper junction plate, closing plate, filter bag main part and filter bag skeleton, the filter bag skeleton includes inner support rod, support ring and outer support rod, and inner support rod and outer support rod one end welding are in the upper junction plate bottom surface, the support ring evenly welds the dress on a plurality of inner support rod, the filter bag main part includes sack annular ring, fold portion and bag end annular ring, sack annular ring and bag end annular ring are made up and are connected at fold portion both ends, fold portion includes fold bellying and fold groove portion, and the fold bellying correspondence cup joints in the outer support rod outside, the inboard of fold groove portion is made up and is connected with connecting cloth, and has seted up the perforation on the connecting cloth to install annular elastic component in the perforation, annular elastic component cup joints the collar and tightly in the inner support rod outside.

Furthermore, a plurality of inserting holes are formed in the top surface of the sealing plate, inner supporting rods and outer supporting rods are inserted into the inserting holes in a one-to-one correspondence mode, mounting grooves are symmetrically formed in two sides of each inserting hole, abutting springs are mounted in the mounting grooves, one ends of the abutting springs are connected with sliding blocks, and clamping blocks are mounted on the side faces, close to one sides of the inserting holes, of the sliding blocks.

Furthermore, the bag mouth annular ring is sleeved on the side surface of the upper connecting plate.

Furthermore, the bag bottom ring is sleeved on the side surface of the sealing plate.

Furthermore, the central axes of the filter bag main body, the support ring, the upper connecting plate and the sealing plate are positioned on the same straight line.

Furthermore, a limiting block is installed at the outlet of the installation groove.

Furthermore, the center of the upper connecting plate is provided with an air port which is not shown in the figure.

(III) advantageous effects

Compared with the prior art, the utility model provides a pleated dust removal filter bag which has the following beneficial effects:

(1) the utility model is provided with a filter bag main body and a filter bag framework, when in installation, an upper connecting plate fixedly connected with the filter bag framework is installed and fixed on a pattern plate, then the filter bag main body is sleeved on the upper connecting plate and the filter bag framework, a bag mouth annular ring of the filter bag main body is sleeved and installed on the side face of the upper connecting plate, a fold bulge part of a fold part of the filter bag main body is correspondingly sleeved and connected on the outer side of an outer supporting rod, connecting cloth is sewed on the inner side of the fold groove part of the fold part, a perforation is arranged on the connecting cloth, an annular elastic piece is installed in the perforation, the annular elastic piece is sleeved and installed on a cylindrical framework formed by welding a supporting ring and an inner supporting rod, at the moment, under the elastic action of the annular elastic piece and the supporting action of the outer supporting rod, the fold bulge part and the fold groove part uniformly and stably keep a fold shape, and have a larger dust removal area, and when in injection, at this moment, the annular elastic piece is extended, the fold protruding portion and the fold groove portion are deformed to blow and shake off attached dust, and after blowing is finished, the annular elastic piece is contracted and reset, so that the fold protruding portion and the fold groove portion are driven to restore to an initial fold shape, the phenomenon that the fold portions are scattered and stacked is not easy to occur, and the efficient dust removal use of the fold dust removal filter bag is guaranteed.

(2) The utility model is provided with the sealing plate, as mentioned above, after the filter bag main body is sleeved on the filter bag framework, at the moment, the inner supporting rod and the outer supporting rod are inserted into the insertion holes arranged on the sealing plate, the bottom ends of the inner supporting rod and the outer supporting rod push the clamping block and move towards the inside of the installation grooves arranged at the two sides together with the sliding block, so that the abutting springs are compressed, when the inner supporting rod and the outer supporting rod are completely inserted in the inserting hole, the two symmetrical clamping blocks tightly clamp the inner supporting rod and the outer supporting rod under the action of the elastic force of the resisting spring, thereby the sealing plate is arranged and fixed at the bottom end of the filter bag framework, finally, the bag bottom annular ring arranged at the bottom end of the filter bag main body is sleeved and arranged on the side surface of the sealing plate, the installation can be completed without using installation modes such as fixing bolts, the operation is simple and rapid, and the installation efficiency of the fold dust removal filter bag is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a pleated dust filter bag according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view A-A of a pleated dust filter bag according to an embodiment of the present invention;

FIG. 3 is an enlarged view at B of FIG. 1 according to an embodiment of the present invention;

FIG. 4 is a perspective view of a seal plate of a pleated dust filter bag according to an embodiment of the present invention.

In the figure:

1. an upper connecting plate; 2. a filter bag main body; 201. a bag opening annular ring; 202. a wrinkle part; 2021. a wrinkle bulge; 2022. a wrinkle groove portion; 203. a bag bottom annular ring; 3. a filter bag framework; 301. an inner support bar; 302. a support ring; 303. an outer support bar; 4. a sealing plate; 5. an annular elastic member; 6. connecting cloth; 7. perforating; 8. inserting holes; 9. mounting grooves; 10. the spring is tightly propped; 11. a slider; 12. a clamping block; 13. and a limiting block.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, a pleated dust filter bag is provided.

Referring to the drawings and the detailed description, as shown in fig. 1-4, a pleated dust filter bag according to an embodiment of the present invention includes an upper connecting plate 1, a sealing plate 4, a filter bag body 2 and a filter bag frame 3, wherein the filter bag frame 3 includes an inner support rod 301, a support ring 302 and an outer support rod 303, one end of each of the inner support rod 301 and the outer support rod 303 is welded to a bottom surface of the upper connecting plate 1, the support ring 302 is uniformly welded to the plurality of inner support rods 301, the filter bag body 2 includes a bag mouth annular ring 201, a pleated portion 202 and a bag bottom annular ring 203, the bag mouth annular ring 201 and the bag bottom annular ring 203 are sewn to two ends of a pleated portion 202, the pleated portion 202 includes a pleated protrusion portion 2021 and a pleated groove portion 2022, the pleated protrusion portion 2021 is correspondingly sleeved to an outer side of the outer support rod 303, a connecting cloth 6 is sewn to an inner side of the pleated groove portion 2022, and a through hole 7 is formed on the connecting cloth 6, and install annular elastic component 5 in perforation 7, annular elastic component 5 cup joints hooped tightly in the bracing piece 301 outside, has played and has utilized the annular elastic component 5 shrink that sets up to reset and drive fold protruding portion 2021 and fold groove portion 2022 and resume into original fold shape to difficult emergence fold portion 202 is in disorder the phenomenon of piling up, and then has ensured the high-efficient dust removal of a fold dust bag and used.

In one embodiment, a plurality of inserting holes 8 are formed in the top surface of the sealing plate 4, inner supporting rods 301 and outer supporting rods 303 are inserted into the inserting holes 8 in a one-to-one correspondence mode, mounting grooves 9 are symmetrically formed in two sides of the inserting holes 8, abutting springs 10 are mounted in the mounting grooves 9, one ends of the abutting springs 10 are connected with sliding blocks 11, clamping blocks 12 are mounted on the side faces, close to one sides of the inserting holes 8, of the sliding blocks 11, the effect of quickly connecting and mounting the sealing plate 4 and the filter bag framework 3 is achieved, and the mounting efficiency of the fold dust removal filter bag is greatly improved.

In one embodiment, the bag mouth annular ring 201 is sleeved on the side surface of the upper connecting plate 1, so that the function of connecting and installing the filter bag body 2 and the upper connecting plate 1 is achieved.

In one embodiment, the annular ring 203 at the bottom of the bag is sleeved on the side surface of the sealing plate 4, which plays a role in connecting and mounting the filter bag body 2 and the sealing plate 4.

In one embodiment, the central axes of the filter bag body 2, the support ring 302, the upper connecting plate 1 and the sealing plate 4 are in the same line, which ensures that the blowing gas can not directly act on the filter bag body 2, and prolongs the service life of the filter bag body 2.

In one embodiment, the outlet of the mounting groove 9 is provided with a limiting block 13, which plays a role in preventing the sliding block 11 from being separated from the mounting groove 9.

In one embodiment, the center of the upper connecting plate 1 is provided with a gas port, which is not shown in the figure, and the gas port plays a role in guiding out the gas after dust removal and filtration.

The working principle is as follows: the utility model is provided with a filter bag main body 2 and a filter bag framework 3, when in installation, an upper connecting plate 1 fixedly connected with the filter bag framework 3 is installed and fixed on a pattern plate, then the filter bag main body 2 is sleeved on the upper connecting plate 1 and the filter bag framework 3, a bag mouth annular ring 201 of the filter bag main body 2 is sleeved and installed on the side surface of the upper connecting plate 1, a fold convex part 2021 of a fold part 202 of the filter bag main body 2 is correspondingly sleeved and installed on the outer side of an outer supporting rod 303, a connecting cloth 6 is sewed on the inner side of the fold groove 2022 of the fold part 202, a perforation 7 is arranged on the connecting cloth 6, an annular elastic piece 5 is installed in the perforation 7, the annular elastic piece 5 is sleeved and installed on a cylindrical framework formed by welding a supporting ring 302 and an inner supporting rod 301, at the moment, under the elastic action of the annular elastic piece 5 and the supporting action of the outer supporting rod 303, the fold convex part 2021 and the groove part 2022 uniformly and stably keep the fold shape, the utility model has larger dust removal area, and when blowing, the annular elastic piece 5 extends, the fold convex part 2021 and the fold groove part 2022 deform to shake off the attached dust, after blowing, the annular elastic piece 5 contracts and resets to drive the fold convex part 2021 and the fold groove part 2022 to restore to the original fold shape, the phenomenon that the fold parts 202 are scattered and stacked is not easy to occur, thereby ensuring the high-efficiency dust removal use of the fold dust removal filter bag, in addition, the utility model is provided with the sealing plate 4, after the filter bag main body 2 is sleeved on the filter bag framework 3, the inner supporting rod 301 and the outer supporting rod 303 are inserted in the insertion hole 8 arranged on the sealing plate 4, the bottom ends of the inner supporting rod 301 and the outer supporting rod 303 push the clamping block 12 and the sliding block 11 move towards the mounting grooves 9 arranged at two sides, so that the abutting spring 10 is compressed, when the inner support rod 301 and the outer support rod 303 are completely inserted into the insertion hole 8, the two symmetrical clamping blocks 12 tightly clamp the inner support rod 301 and the outer support rod 303 under the action of the elastic force of the abutting spring 10, so that the sealing plate 4 is installed and fixed at the bottom end of the filter bag framework 3, and finally, the bag bottom annular ring 203 arranged at the bottom end of the filter bag main body 2 is sleeved and installed on the side surface of the sealing plate 4, so that installation can be completed, installation modes such as fixing bolts are not needed, the operation is simple and rapid, and the installation efficiency of the pleated dust filter bag is greatly improved.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A pleated dust-removing filter bag comprises an upper connecting plate (1), a sealing plate (4), a filter bag main body (2) and a filter bag framework (3), and is characterized in that the filter bag framework (3) comprises an inner supporting rod (301), a supporting ring (302) and an outer supporting rod (303), one ends of the inner supporting rod (301) and the outer supporting rod (303) are welded on the bottom surface of the upper connecting plate (1), the supporting ring (302) is uniformly welded on a plurality of inner supporting rods (301), the filter bag main body (2) comprises a bag mouth annular ring (201), a pleated portion (202) and a bag bottom annular ring (203), the bag mouth annular ring (201) and the bag bottom annular ring (203) are sewn at two ends of the pleated portion (202), the pleated portion (202) comprises a pleated convex portion (2021) and a groove portion (2022), and the pleated convex portion (2021) is correspondingly sleeved outside the outer supporting rod (303), the inner side of the fold groove portion (2022) is sewn with connecting cloth (6), a through hole (7) is formed in the connecting cloth (6), an annular elastic part (5) is installed in the through hole (7), and the annular elastic part (5) is sleeved and hooped on the outer side of the inner supporting rod (301).

2. The pleated dust filter bag according to claim 1, wherein a plurality of insertion holes (8) are formed in the top surface of the sealing plate (4), inner support rods (301) and outer support rods (303) are inserted into the insertion holes (8) in a one-to-one correspondence manner, mounting grooves (9) are symmetrically formed in two sides of the insertion holes (8), abutting springs (10) are mounted in the mounting grooves (9), one ends of the abutting springs (10) are connected with sliding blocks (11), and clamping blocks (12) are mounted on the side surfaces of the sliding blocks (11) close to one sides of the insertion holes (8).

3. A pleated dust filter bag according to claim 1, characterized in that the bag mouth annular ring (201) is sleeved on the side of the upper connecting plate (1).

4. A pleated dust filter bag according to claim 1, characterized in that the bag bottom annular ring (203) is sleeved on the side of the sealing plate (4).

5. A pleated dust filter bag according to claim 1 characterized in that the central axes of the filter bag body (2), support ring (302), upper connecting plate (1) and sealing plate (4) are in the same line.

6. A pleated dust filter bag according to claim 2, characterized in that a stop block (13) is installed at the outlet of the installation groove (9).

7. A pleated dust filter bag according to claim 1, characterized in that the center of the upper connecting plate (1) is provided with a gas port not shown in the figure.