Dedusting filter bag with locking structure

Abstract

The utility model discloses a dust removal filter bag with a locking structure, which comprises a mounting table and further comprises a cloth bag assembly, the cloth bag assembly comprises a dust removal bag arranged on the inner wall of the mounting table, a fixing ring is arranged at the top end of the dust removal bag, a framework part is arranged on the inner wall of the dust removal bag, and a connecting part is arranged at the top end of the fixing ring; the connecting assembly comprises a threaded cylinder arranged at the top end of the mounting table and located at the end close to the dust removal bag, a rotating shaft is arranged at the top end of the fixing ring, a fixing cover is rotationally connected to the outer wall of the rotating shaft, internal threads are arranged on the inner wall of the fixing cover, and a clamping part used for clamping the fixing cover is arranged at the top end of the mounting table. The connecting assembly is arranged at the joint of the mounting table and the fixing ring, positioning mounting can be achieved by arranging the fixing protruding block at the top end of the fixing ring in the fixing groove in a sleeved mode, the inner thread is matched with the outer wall thread of the threaded cylinder, and the fixing ring can be fixed to the top end of the mounting table through thread matching of the fixing cover.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal bag installation, in particular to a dust removal filter bag with a locking structure. Background Art

[0002] A bag filter is a dry dust filtration device. It is suitable for capturing fine, dry, non-fibrous dust. The machine purifies the gas through the dust layer formed on the surface of the filter bag. The top of the bag filter is equipped with a mounting platform for installing and fixing the dust bag. The operator needs to put the dust bag on the inner wall of the circular hole on the top of the mounting platform to fix it. The top of the dust bag is equipped with an elastic fixing ring. When putting it on, the fixing ring needs to be folded into a size that can pass through the circular hole using elasticity, and then the fixing ring is put on the inner wall of the circular hole and stretched to the inner wall of the circular hole using elasticity to fix it. When the fixing ring is docked with the circular hole, it is necessary to ensure that the fixing ring has sufficient elasticity to support the fixation of the dust bag. If the fixing ring is not elastic enough during this process and falls off the circular hole and falls into the bottom end of the dust collector, the filter bag needs to be salvaged and matched and replaced. For this purpose, a dust filter bag with a locking structure is designed. Utility Model Content

[0003] The purpose of the present invention is to provide a dust filter bag with a locking structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a dust filter bag with a locking structure, comprising a mounting platform and:

[0005] A bag assembly, the bag assembly comprising a dust bag disposed on the inner wall of the mounting platform, a fixing ring disposed at the top of the dust bag, a skeleton portion disposed on the inner wall of the dust bag, and a connecting portion disposed at the top of the fixing ring;

[0006] A connecting assembly includes a threaded cylinder arranged at the top of the mounting platform and located near one end of the dust removal bag, a rotating shaft is provided at the top of the fixing ring, a fixed cover is rotatably connected to the outer wall of the rotating shaft, an internal thread is provided on the inner wall of the fixed cover, and a clamping portion for clamping the fixed cover is provided at the top of the mounting platform.

[0007] Preferably, the connecting portion includes a fixing protrusion and a fixing groove, a plurality of the fixing protrusions are symmetrically arranged on the outer wall of the fixing ring, and the fixing groove is arranged at the top end of the mounting platform and is located near one end of the dust removal bag.

[0008] Preferably, the outer wall of the dust removal bag is connected to the inner wall of the fixing groove through insertion, the top of the fixing ring is provided with a connecting column, and the inner wall of the rotating shaft is sleeved with the inner wall of the connecting column.

[0009] Preferably, the skeleton portion includes a supporting skeleton and a skeleton ring, the bottom end of the skeleton ring is fixedly connected to the top end of the supporting skeleton, and the top end of the fixed cover is provided with a connecting groove.

[0010] Preferably, the inner wall of the connecting groove is sleeved with the outer wall of the skeleton ring, and the inner wall of the fixing cover is threadedly matched with the outer wall of the threaded barrel.

[0011] Preferably, the clamping portion includes a column and a pressing block, a plurality of the columns are arranged on the top of the mounting platform, the outer wall of the column is provided with a threaded rod, and the outer wall of the fixing cover is provided with a locking block.

[0012] Preferably, the pressing block is arranged at one end of the threaded rod close to the dust removal bag, and the end of the threaded rod away from the dust removal bag is threadedly connected with a rocker.

[0013] The technical effects and advantages of this utility model are:

[0014] The utility model utilizes a connection component provided at the connection between the mounting platform and the fixing ring. When the operator installs the dust bag, the operator can achieve positioning installation by sleeve-ing the fixing protrusion at the top of the fixing ring into the fixing groove. Then, the fixing cover is rotated by using the rotating shaft so that the internal thread matches the outer wall thread of the threaded barrel, so that the fixing ring is fixed to the top of the mounting platform through the thread of the fixing cover. Finally, the operator can press the locking block at the bottom end of the fixing cover by using the pressing block to achieve locking, thereby stabilizing the connection between the fixing ring and the mounting platform. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0016] Figure 2 It is a front view of the main structure of the utility model.

[0017] Figure 3 It is a top view of the main structure of the utility model.

[0018] Figure 4 It is a side sectional view of the main structure of the utility model.

[0019] Figure 5 It is a partial cross-sectional view of the connection structure between the fixing ring and the mounting platform of the utility model.

[0020] In the figure: 1. Mounting platform; 101. Dust bag; 2. Connecting part; 201. Fixing ring; 202. Fixing groove; 203. Connecting column; 204. Fixing protrusion; 3. Threaded barrel; 301. Rotating shaft; 302. Fixing cover; 303. Internal thread; 4. Skeleton part; 401. Supporting skeleton; 402. Skeleton ring; 403. Connecting groove; 5. Clamping part; 501. Column; 502. Pressing block; 503. Threaded rod; 504. Rocker; 505. Locking block. DETAILED DESCRIPTION

[0021] 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.

[0022] The utility model provides Figure 1-5 The dust filter bag with a locking structure shown includes a mounting platform 1 and further includes:

[0023] The bag assembly includes a dust bag 101 arranged on the inner wall of the mounting platform 1, a fixing ring 201 is provided at the top of the dust bag 101, a skeleton portion 4 is provided on the inner wall of the dust bag 101, and a connecting portion 2 is provided at the top of the fixing ring 201;

[0024] The connecting assembly includes a threaded cylinder 3 arranged at the top of the mounting platform 1 and located near one end of the dust removal bag 101, a rotating shaft 301 is provided at the top of the fixing ring 201, the outer wall of the rotating shaft 301 is rotatably connected to the fixing cover 302, the inner wall of the fixing cover 302 is provided with an internal thread 303, and the top of the mounting platform 1 is provided with a clamping portion 5 for clamping the fixing cover 302.

[0025] It should be noted that the mounting platform 1 is a bag fixing platform at the top of the bag dust collector. The top of the platform is provided with multiple circular holes for mounting the dust bag 101, and the top of the dust bag 101 is provided with a fixing ring 201. When installing the dust bag 101, the fixing protrusion 204 of the fixing ring 201 is mounted on the inner wall of the fixing groove 202 and rotated ninety degrees, and then the internal thread 303 of the fixing ring 201 is threadedly matched with the outer wall of the threaded barrel 3 to realize the downward movement of the fixing ring 201, and finally the fixing ring 201 is fixed to the top of the mounting platform 1 by the clamping part 5.

[0026] Specifically, the connecting part 2 includes a fixing protrusion 204 and a fixing groove 202. A plurality of fixing protrusions 204 are symmetrically arranged on the outer wall of the fixing ring 201. The fixing groove 202 is arranged at the top of the mounting platform 1 and is located at one end close to the dust bag 101. The outer wall of the dust bag 101 is interlaced with the inner wall of the fixing groove 202. A connecting column 203 is provided at the top of the fixing ring 201, and the inner wall of the rotating shaft 301 is socketed with the inner wall of the connecting column 203.

[0027] It should be noted that the shape of the fixing protrusion 204 is the same as that of the fixing groove 202. During installation, the fixing protrusion 204 needs to be put through the fixing groove 202, and the fixing ring 201 is rotated ninety degrees to drive the fixing protrusion 204 to rotate. At this time, the fixing protrusion 204 will be intertwined with the fixing groove 202. At this time, the fixing protrusion 204 will cooperate with the fixing ring 201 to be locked on the top of the mounting platform 1, and the rotating shaft 301 can be rotated by being connected with the connecting column 203.

[0028] Specifically, the skeleton part 4 includes a supporting skeleton 401 and a skeleton ring 402. The bottom end of the skeleton ring 402 is fixedly connected to the top end of the supporting skeleton 401. A connecting groove 403 is provided at the top end of the fixed cover 302. The inner wall of the connecting groove 403 is socketed with the outer wall of the skeleton ring 402. The inner wall of the fixed cover 302 is threadedly matched with the outer wall of the threaded tube 3.

[0029] It should be noted that the support frame 401 is a skeleton structure that supports the inside of the dust bag 101. The shape of the support frame 401 is cylindrical, which can completely support the inner wall of the dust bag 101. The skeleton ring 402 at the top of the support frame 401 can be fitted onto the inner wall of the connecting groove 403 at the top of the fixing cover 302 to achieve fixation.

[0030] Specifically, the clamping part 5 includes a column 501 and a pressing block 502. Multiple columns 501 are arranged at the top of the mounting platform 1. The outer wall of the column 501 is provided with a threaded rod 503, and the outer wall of the fixed cover 302 is provided with a locking block 505. The pressing block 502 is provided at one end of the threaded rod 503 close to the dust bag 101, and the end of the threaded rod 503 away from the dust bag 101 is threadedly connected with a rocker 504.

[0031] It should be noted that the fixing cover 302 is rotated by the rotating shaft 301, so that the internal thread 303 of the fixing cover 302 is matched with the outer wall thread of the threaded barrel 3. When the threads are matched, the fixing cover 302 will drive the fixing ring 201 to move downward along the fixing groove 202 and insert the fixing protrusion 204 through the fixing groove 202. At this time, the locking block 505 will contact the top of the mounting platform 1. At this time, the fixing cover 302 is rotated by the rotating shaft 301, and the fixing cover 302 drives the fixing protrusion 204 to rotate to achieve locking. Finally, the operator can rotate the rocker 504 to drive the threaded rod 503 to engage with the internal thread of the column 501 through the rocker 504. When the threaded rod 503 engages with the internal thread of the column 501, it pushes the pressing block 502 to move, and the pressing block 502 will move to the bottom end of the locking block 505 to achieve locking.

[0032] Working principle of this utility model:

[0033] The specific operation is that the operator needs to put the dust bag 101 together with the fixing ring 201 on the middle of the top of the mounting table 1. The fixing protrusion 204 at the bottom end of the fixing ring 201 needs to be put through the fixing groove 202, and then the fixing protrusion 204 is rotated at a right angle along the fixing groove 202. The fixing ring 201 is fixed under the interlacing of the fixing protrusion 204 and the fixing groove 202. Then the operator needs to manually rotate the fixing cover 302 through the rotating shaft 301. Before rotation, the bottom end of the fixing cover 302 needs to be docked to the top of the threaded cylinder 3. The fixing cover 302 will threadably match the internal thread 303 with the outer wall of the threaded cylinder 3 through rotation. The fixing cover 302 is moved downward by threading with the threaded cylinder 3. When the locking block 5 of the fixing cover 302 is engaged, 05 When the bottom end contacts the top of the mounting table 1, the operator can rotate the rocker 504 in the direction of the rocker 504, and the rocker 504 will drive the threaded rod 503 to cooperate with the internal thread of the column 501 and push the pressing block 502 to move. The pressing block 502 moves to the top of the locking block 505 and presses it. The locking block 505 is pressed and locked by the pressing block 502, which will fix the fixed cover 302 to the top of the mounting table 1. The operator needs to put the supporting frame 401 on the inner wall of the dust bag 101 and put the frame ring 402 on the inner wall of the connecting groove 403 to complete the assembly. When replacing, the operator can pull the pressing block 502 out of the locking block 505 by rotating the rocker 504 in the opposite direction, rotate the fixing cover 302 out of the threaded cylinder 3, and take out the dust bag 101 for replacement through the interface.

[0034] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A dust filter bag with a locking structure, comprising a mounting platform (1), characterized in that: Also includes: A bag assembly, the bag assembly comprising a dust bag (101) arranged on the inner wall of a mounting platform (1), a fixing ring (201) being provided at the top end of the dust bag (101), a skeleton portion (4) being provided on the inner wall of the dust bag (101), and a connecting portion (2) being provided at the top end of the fixing ring (201); A connecting assembly, comprising a threaded barrel (3) arranged at the top of a mounting platform (1) and located near one end of a dust removal bag (101); a rotating shaft (301) is provided at the top of the fixing ring (201); a fixing cover (302) is rotatably connected to the outer wall of the rotating shaft (301); an inner wall of the fixing cover (302) is provided with an internal thread (303); and a clamping portion (5) for clamping the fixing cover (302) is provided at the top of the mounting platform (1).

2. The dust filter bag with a locking structure according to claim 1, characterized in that: The connecting portion (2) comprises a fixing protrusion (204) and a fixing groove (202), wherein a plurality of the fixing protrusions (204) are symmetrically arranged on the outer wall of the fixing ring (201), and the fixing groove (202) is arranged at the top end of the mounting platform (1) and is located near one end of the dust removal bag (101).

3. The dust filter bag with a locking structure according to claim 2, characterized in that: The outer wall of the dust removal bag (101) is connected to the inner wall of the fixing groove (202) through insertion, the top of the fixing ring (201) is provided with a connecting column (203), and the inner wall of the rotating shaft (301) is sleeved with the inner wall of the connecting column (203).

4. The dust filter bag with a locking structure according to claim 1, characterized in that: The skeleton part (4) comprises a supporting skeleton (401) and a skeleton ring (402), the bottom end of the skeleton ring (402) is fixedly connected to the top end of the supporting skeleton (401), and the top end of the fixing cover (302) is provided with a connecting groove (403).

5. The dust filter bag with a locking structure according to claim 4, characterized in that: The inner wall of the connecting groove (403) is sleeved with the outer wall of the skeleton ring (402), and the inner wall of the fixing cover (302) is threadedly matched with the outer wall of the threaded barrel (3).

6. The dust filter bag with a locking structure according to claim 1, characterized in that: The clamping portion (5) comprises a column (501) and a pressing block (502); a plurality of the columns (501) are arranged on the top of the mounting platform (1); the outer wall of the column (501) is provided with a threaded rod (503); and the outer wall of the fixing cover (302) is provided with a locking block (505).

7. The dust filter bag with a locking structure according to claim 6, characterized in that: The pressing block (502) is arranged at one end of the threaded rod (503) close to the dust removal bag (101), and the end of the threaded rod (503) away from the dust removal bag (101) is threadedly connected with a rocker (504).

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