Anti-fracture dust removal filter bag

Abstract

The utility model relates to the technical field of cloth bag dust removal, and discloses an anti-fracture type dust removal filter bag which comprises a filter bag body, a plurality of supporting ribs are arranged in the filter bag body, a shaping ring is arranged at the top end of the filter bag body, and a check ring for limiting the shaping ring is arranged at the top end of the shaping ring. Adjusting assemblies connected with the supporting ribs are arranged on the inner wall of the check ring, a plurality of protection rods are arranged at the bottom end of the check ring, and the bottoms of the protection rods are slidably connected with rod sleeves. The interior of the filter bag can be supported through the supporting ribs and the adjusting assembly, the distance between the supporting assembly and the check ring can be adjusted through the adjusting assembly, the device can be suitable for the filter bags with different lengths, the installation precision between the supporting assembly and the filter bag can be guaranteed, and the filter bag is located between the supporting assembly and the check ring; the adjusting assembly and the supporting ribs can support the supporting assembly and the check ring.

Description

Technical Field

[0001] The utility model relates to the technical field of bag dust removal, in particular to an anti-breakage dust removal filter bag. Background Art

[0002] The dust bag is the heart of the bag dust collector. It is generally called a dust bag or dust filter bag. The dust bag is a key part of the operation of the bag dust collector. Usually, the cylindrical filter bag is hung vertically in the dust collector. The fabric and design of the dust bag should strive for high-efficiency filtration, easy dust removal and durability.

[0003] The "anti-break type dust filter bag" disclosed in its application number "202220796717.1" comprises a PPS dust removal outer filter bag and an anti-static polyester dust removal inner filter bag. The PPS dust removal outer filter bag is sleeved on the outside of the anti-static polyester dust removal inner filter bag. The top of the PPS dust removal outer filter bag is fixedly connected to a mounting ring, and the bottom fixing sleeve of the PPS dust removal outer filter bag is provided with a support ring. Anti-break vertical rods are fixed on both sides between the mounting ring and the support ring, and a support reinforcement assembly is provided on the two anti-break vertical rods. The beneficial effect of the utility model is that the arc-shaped support plate is provided to provide support and stability reinforcement for the first reinforcement ring, the second reinforcement ring and the third reinforcement ring. The first reinforcement ring, the second reinforcement ring and the third reinforcement ring are provided to provide support and stability reinforcement for the two anti-break vertical rods, and cooperate with the provided mounting ring and the support ring to provide better anti-break support protection, thereby improving the working efficiency and durability of the dust removal filter bag.

[0004] However, the above method still has the following defects: the first reinforcement ring, the second reinforcement ring and the third reinforcement ring provide support and stability reinforcement for the two anti-fracture vertical rods, and cooperate with the provided installation ring and support ring to provide better anti-fracture support protection, but need to be fixed by multiple installation screws. After installation, the length of the anti-fracture vertical rod cannot be adjusted, which makes it difficult to adapt to filter bags of different lengths. It has poor flexibility and it is difficult to ensure the installation accuracy between the PPS dust collector filter bag. Utility Model Content

[0005] In view of the shortcomings of the existing technology, the utility model provides an anti-breakage dust filter bag, which has the advantages of adjustable support length and good flexibility, and solves the problems raised by the above-mentioned background technology.

[0006] The utility model provides the following technical solution: an anti-breakage dust filter bag, comprising a filter bag, a plurality of supporting ribs provided inside the filter bag, a shaping ring provided at the top end of the filter bag, a retaining ring provided at the top end of the shaping ring for limiting the shaping ring, an adjusting assembly connected to the supporting ribs provided on the inner wall of the retaining ring, a plurality of protective rods provided at the bottom end of the protective rods, a rod sleeve slidably connected to the bottom end of the supporting ribs, and a supporting assembly provided at the bottom end of the supporting ribs for supporting the rod sleeves.

[0007] As an optimal technical solution of the present invention, a plurality of notches are provided on the surface of the shaping ring, the top of the protective rod is located inside the notch, a sealing gasket is provided on the surface of the shaping ring, and the top end of the sealing gasket is connected to the bottom end of the retaining ring.

[0008] As an optimal technical solution of the present invention, the adjustment assembly includes a steel ring and a screw rod. The steel ring is located inside the filter bag. A support bar is fixedly provided in the middle of the steel ring. The top of the screw rod is rotatably connected to the middle of the support bar. The screw rod is threadedly connected to a lifting rod. Guide columns are fixed on both sides of the top of the lifting rod. A support is fixed on the top of the guide column. The support is fixedly connected to the inner wall of the retaining ring.

[0009] As an optimal technical solution of the present invention, a knob is fixedly provided on the top end of the screw rod, the bottom end of the screw rod is rotatably connected to a base, the base is fixedly connected to the top end of the support rib, the surface of the screw rod is threadedly connected to a threaded sleeve, and the threaded sleeve is fixedly connected to the middle part of the lifting rod.

[0010] As a preferred technical solution of the present invention, two rod grooves are provided on the surface of the support bar, and the guide column is slidably connected to the inside of the rod grooves.

[0011] As an optimal technical solution of the present invention, a dust collector is provided at the bottom end of the shaping ring, a mounting opening is provided on the surface of the dust collector, the filter bag is connected to the mounting opening through an interlaced connection, and the retaining ring is fixedly connected to the dust collector by screws.

[0012] As an optimal technical solution of the present invention, the support assembly includes a support ring and a connecting ring. The top end of the support ring is fixedly connected to the bottom end of the support rib, the bottom end of the support ring is connected to the top end of the connecting ring through a half-tooth screw, and the top end of the connecting ring is fixedly connected to the bottom end of the rod sleeve.

[0013] As an optimal technical solution of the present invention, the threaded portion of the half-thread screw is threadedly connected with a locking nut, the locking nut and the connecting ring are both located at the bottom end of the filter bag, a through hole is opened at the bottom end of the filter bag, the smooth round portion of the half-thread screw is interlaced and connected with the through hole, and a sealing ring is provided between the smooth round portion of the half-thread screw and the through hole.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The inner part of the filter bag can be supported by the support ribs and the adjustment component. The distance between the support component and the retaining ring can be adjusted by the adjustment component. It is suitable for filter bags of different lengths and can ensure the installation accuracy between the support component and the filter bag. The filter bag is located between the support component and the retaining ring. The adjustment component and the support ribs can support the support component and the retaining ring, avoiding direct force on the filter bag and preventing the filter bag from breaking due to force.

[0016] 2. The supporting ribs and supporting components can support the rod sleeve, and the rod sleeve and protective rod can provide protection for the surface of the filter bag. Since the protective rod is slidably connected to the rod sleeve, the protective rod can slide inside the rod sleeve during the adjustment of the retaining ring height without interfering with the adjustment of the retaining ring position. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is one of the structural diagrams of the present utility model;

[0018] Figure 2 This is the second structural diagram of the present utility model;

[0019] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the adjustment component of the utility model;

[0021] Figure 5 It is a schematic diagram of the cross-sectional structure of the present utility model.

[0022] In the figure: 1. Filter bag; 2. Shaping ring; 3. Notch; 4. Retaining ring; 5. Support rib; 6. Adjustment assembly; 601. Steel ring; 602. Support bar; 603. Screw rod; 604. Knob; 605. Lifting rod; 606. Guide column; 607. Support; 608. Base; 7. Sealing gasket; 8. Protective rod; 9. Rod sleeve; 10. Dust collector; 11. Mounting port; 12. Support assembly; 1201. Support ring; 1202. Half-thread screw; 1203. Locking nut; 1204. Connecting ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] See also Figures 1 to 5 The filter bag 1 is a kind of anti-breakage dust removal filter bag, comprising a filter bag 1, a plurality of supporting ribs 5 are provided inside the filter bag 1, a shaping ring 2 is provided at the top of the filter bag 1, a retaining ring 4 is provided at the top of the shaping ring 2 to limit it, the bottom end of the retaining ring 4 is overlapped with the top of the shaping ring 2, and the inner wall of the retaining ring 4 is provided with an adjusting component 6 connected with the supporting rib 5, the interior of the filter bag 1 can be supported by the supporting rib 5 and the adjusting component 6, and a plurality of protective rods 8 are provided at the bottom end of the retaining ring 4, the top end of the protective rod 8 is welded to the bottom end of the retaining ring 4, and the bottom of the protective rod 8 is slidably connected with a rod sleeve 9, and the bottom end of the supporting rib 5 is provided with a supporting component 12 for supporting the rod sleeve 9, and the rod sleeve 9 can be supported by the supporting component 12, and the rod sleeve 9 and the protective rod 8 can provide protection for the surface of the filter bag 1, and the distance between the supporting component 12 and the retaining ring 4 can be adjusted by the adjusting component 6, which can be suitable for use with filter bags 1 of different lengths;

[0025] In this embodiment, preferably, the adjustment component 6 includes a steel ring 601 and a screw rod 603. The steel ring 601 is located inside the filter bag 1. A support bar 602 is fixedly provided in the middle of the steel ring 601. The top of the screw rod 603 is rotatably connected to the middle of the support bar 602. The screw rod 603 is threadedly connected to a lifting rod 605. Guide columns 606 are fixedly provided on both sides of the top of the lifting rod 605. The top of the guide column 606 is fixedly provided with a support 607. The support 607 is fixedly connected to the inner wall of the retaining ring 4. A knob 604 is fixedly provided on the top of the screw rod 603. The bottom end of the screw rod 603 is rotatably connected to a base 608. The base 608 is connected to the support The top of the support rib 5 is fixedly connected, and the surface of the screw rod 603 is threadedly connected with a threaded sleeve, which is fixedly connected to the middle part of the lifting rod 605. The threaded sleeve can convert the rotational motion of the screw rod 603 into the linear motion of the lifting rod 605. The screw rod 603 is rotated by the knob 604, and the screw rod 603 can drive the lifting rod 605 to move up and down, and the height of the retaining ring 4 can be adjusted to be suitable for filter bags 1 of different lengths. Two rod grooves are provided on the surface of the support bar 602, and the guide column 606 is slidably connected to the inside of the rod groove. The guide column 606 can be guided by the rod groove to ensure the vertical sliding of the guide column 606;

[0026] In this embodiment, preferably, the support assembly 12 includes a support ring 1201 and a connecting ring 1204. The top of the support ring 1201 is fixedly connected to the bottom end of the support rib 5. The bottom end of the support ring 1201 is connected to the top of the connecting ring 1204 through a half-thread screw 1202. The top of the connecting ring 1204 is fixedly connected to the bottom end of the rod sleeve 9. The threaded portion of the half-thread screw 1202 is threadedly connected with a locking nut 1203. The locking nut 1203 and the connecting ring 120 4 are located at the bottom end of the filter bag 1. A through hole is opened at the bottom end of the filter bag 1. The round part of the half-thread screw 1202 is inserted and connected with the through hole. A sealing ring is provided between the round part of the half-thread screw 1202 and the through hole. The bottom of the filter bag 1 can be supported by the support ring 1201. The connecting ring 1204 is fixed to the bottom end of the filter bag 1 by the half-thread screw 1202, which is convenient for installation and disassembly. The support ring 1201 can support the rod sleeve 9 through the connecting ring 1204.

[0027] In this embodiment, preferably, a plurality of notches 3 are provided on the surface of the shaping ring 2, the top of the protective rod 8 is located inside the notch 3, a sealing gasket 7 is provided on the surface of the shaping ring 2, the top of the sealing gasket 7 is connected to the bottom end of the retaining ring 4, and a dust collector 10 is provided at the bottom end of the shaping ring 2. A mounting port 11 is provided on the surface of the dust collector 10, the filter bag 1 is connected with the mounting port 11 through-connected, and the retaining ring 4 is fixedly connected to the dust collector 10 by screws. The notch 3 can ensure the fit of the mounting surface between the shaping ring 2 and the dust collector 10, the sealing gasket 7 can seal the mounting position, and the filter bag 1 can be placed through the mounting port 11.

[0028] During use, first place the support ring 1201 of the support assembly 12 into the filter bag 1. The support ring 1201 and the support rib 5 can support the inside of the filter bag 1. Then, pass the threaded portion of the half-thread screw 1202 through the sealing ring at the bottom end of the filter bag 1. Then, place the retaining ring 4 on the shaping ring 2 of the filter bag 1. The top of the protective rod 8 can be located inside the notch 3. Then, insert the bottom end of the protective rod 8 into the rod sleeve 9, and connect the connecting ring 1204 to the support ring 1201 through the locking nut 1203. Finally, place the filter bag 1 on the installation opening 11, fix the retaining ring 4, and the filter bag 1 can be placed.

[0029] During the installation and use of the filter bag 1, the adjustment component 6 and the support rib 5 can support the support component 12 and the retaining ring 4, avoiding direct force on the filter bag 1 and preventing the filter bag 1 from being broken due to force. The protective rod 8 and the rod sleeve 9 can provide protection for the outer surface of the filter bag 1. When the airflow passes through the filter bag 1, the filter bag 1 can filter the dust in the airflow. When there is a gap between the support ring 1201 and the bottom end of the filter bag 1, the screw rod 603 is rotated by the knob 604 of the adjustment component 6. The screw rod 603 can convert the rotational motion into the linear motion of the lifting rod 605 through the threaded sleeve. When the lifting rod 605 moves, the distance between the retaining ring 4 and the support ring 1201 can be adjusted, so that the support ring 1201 can fit the bottom end of the filter bag 1. During the adjustment process, the protective rod 8 can slide inside the rod sleeve 9, and the adjustment method of the screw rod 603 can make it suitable for filter bags 1 of different lengths.

[0030] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A break-resistant dust filter bag, comprising a filter bag (1), characterized in that: The filter bag (1) is provided with a plurality of supporting ribs (5) inside, the top of the filter bag (1) is provided with a shaping ring (2), the top of the shaping ring (2) is provided with a retaining ring (4) for limiting the shaping ring, the inner wall of the retaining ring (4) is provided with an adjusting component (6) connected to the supporting rib (5), the bottom end of the retaining ring (4) is provided with a plurality of protective rods (8), the bottom of the protective rod (8) is slidably connected to a rod sleeve (9), and the bottom end of the supporting rib (5) is provided with a supporting component (12) for supporting the rod sleeve (9).

2. The anti-breakage dust filter bag according to claim 1, characterized in that: The surface of the shaping ring (2) is provided with a plurality of notches (3), the top of the protective rod (8) is located inside the notch (3), the surface of the shaping ring (2) is provided with a sealing gasket (7), and the top end of the sealing gasket (7) is connected to the bottom end of the retaining ring (4).

3. The anti-breakage dust filter bag according to claim 1, characterized in that: The adjustment assembly (6) comprises a steel ring (601) and a screw rod (603), wherein the steel ring (601) is located inside the filter bag (1), a support bar (602) is fixedly provided in the middle of the steel ring (601), the top of the screw rod (603) is rotatably connected to the middle of the support bar (602), the screw rod (603) is threadedly connected to a lifting rod (605), guide columns (606) are fixedly provided on both sides of the top of the lifting rod (605), a support (607) is fixedly provided at the top of the guide column (606), and the support (607) is fixedly connected to the inner wall of the retaining ring (4).

4. The anti-breakage dust filter bag according to claim 3, characterized in that: The top end of the screw rod (603) is fixedly provided with a knob (604), the bottom end of the screw rod (603) is rotatably connected to a base (608), the base (608) is fixedly connected to the top end of the support rib (5), the surface of the screw rod (603) is threadedly connected to a threaded sleeve, and the threaded sleeve is fixedly connected to the middle part of the lifting rod (605).

5. The anti-breakage dust filter bag according to claim 3, characterized in that: Two rod grooves are formed on the surface of the support bar (602), and the guide column (606) is slidably connected to the inside of the rod grooves.

6. The anti-breakage dust filter bag according to claim 1, characterized in that: A dust collector (10) is provided at the bottom end of the shaping ring (2), a mounting opening (11) is provided on the surface of the dust collector (10), the filter bag (1) is connected to the mounting opening (11) through insertion, and the retaining ring (4) is fixedly connected to the dust collector (10) by screws.

7. The anti-breakage dust filter bag according to claim 1, characterized in that: The support assembly (12) comprises a support ring (1201) and a connecting ring (1204), the top end of the support ring (1201) is fixedly connected to the bottom end of the support rib (5), the bottom end of the support ring (1201) is connected to the top end of the connecting ring (1204) via a half-thread screw (1202), and the top end of the connecting ring (1204) is fixedly connected to the bottom end of the rod sleeve (9).

8. The anti-breakage dust filter bag according to claim 7, characterized in that: The threaded portion of the half-thread screw (1202) is threadedly connected to a locking nut (1203), and the locking nut (1203) and the connecting ring (1204) are both located at the bottom end of the filter bag (1). A through hole is provided at the bottom end of the filter bag (1), and the smooth round portion of the half-thread screw (1202) is interlaced and connected with the through hole. A sealing ring is provided between the smooth round portion of the half-thread screw (1202) and the through hole.

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