Sleeved combined dust removal filter cartridge structure

Abstract

The utility model discloses a sleeved combined dust removal filter cartridge structure, which belongs to the technical field of dust removal filter cartridges and is characterized in that a first sleeve and a second sleeve are sleeved at two ends of a central filter cartridge in a sliding manner, central filter holes are formed in the surface of the central filter cartridge, a reinforcing ring is fixedly sleeved in the middle of the central filter cartridge, and a guide rod is fixedly sleeved on the surface of the reinforcing ring; according to the sleeved and combined dust removal filter cartridge structure, the center filter cartridge is provided with the reinforcing ring, the guide rod and the positioning rod, so that rotation between the center filter cartridge and the first sleeve as well as the center filter cartridge and the second sleeve can be avoided; meanwhile, the telescopic positions of the first sleeve and the second sleeve can be positioned, the use stability is improved, the first sleeve and the second sleeve can clean the filter holes when moving through the arranged cleaning sleeve and bristles, the filter holes cannot be blocked, and the filter area cannot be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dust removal filter cartridges, and more particularly to a sleeve-assembled dust removal filter cartridge structure. Background Art

[0002] Industrial dust filter cartridges can filter out dust from compressed air, and have the characteristics of high dust filtration efficiency, simple installation, easy use and maintenance. However, the commonly used sleeve-type dust filter cartridges are difficult to position between the central filter cartridge and the outer sleeve filter cartridge during use, which reduces the stability of use. In addition, the cleaning components installed will block the filter holes over a large area, reducing the filtration area.

[0003] For example, announcement number CN219848681U discloses a dust filter cartridge structure with a socket combination, which includes a central filter assembly, both ends of the central filter assembly are provided with socket assemblies, the socket assemblies and the central filter assembly are socketed and connected to each other, one end of the socket assembly is provided with a partition, the lower end of the socket assembly is provided with a step platform, and one end of the step platform is provided with a dust removal rack.

[0004] It can be seen from the above-mentioned public scheme that the socket assembly and the central filter assembly can rotate, and at the same time, the telescopic position of the socket assembly cannot be positioned, which may cause the central filter assembly to move, reducing the stability of use, and the dust removal frame is arranged along the length direction of the filter cartridge, which will cause blockage in the central filter tank and greatly reduce the filtration area. Utility Model Content

[0005] In response to the problems existing in the prior art, the purpose of the present utility model is to provide a dust removal filter cartridge structure of a socket combination. The dust removal filter cartridge structure of the socket combination, through the reinforcement ring, guide rod and positioning rod set on the central filter cartridge, can not only prevent the central filter cartridge from rotating with the first sleeve and the second sleeve, but also can position the telescopic position of the first sleeve and the second sleeve, thereby improving the stability of use. Moreover, through the cleaning sleeve and bristles set, the first sleeve and the second sleeve can clean the filter holes when moving, and will not clog the filter holes and reduce the filter area.

[0006] In order to solve the above problems, the present invention adopts the following technical solutions.

[0007] A dust filter cartridge structure of a sleeve combination includes a central filter cartridge, wherein the two ends of the central filter cartridge are slidably sleeved with a first sleeve and a second sleeve, a central filter hole is provided on the surface of the central filter cartridge, a reinforcement ring is fixedly sleeved at the middle position of the central filter cartridge, a guide rod is fixedly sleeved on the surface of the reinforcement ring, the two ends of the guide rod are respectively slidably connected to the first sleeve and one end of the second sleeve, the surfaces of the first sleeve and the second sleeve are respectively provided with a first filter hole and a second filter hole, one end of the first sleeve and the second sleeve are respectively fixedly connected with a first mounting plate and a second mounting plate, and one end of the first sleeve and the second sleeve are respectively fixedly mounted with a cleaning The sleeve has bristles on the inner side of the cleaning sleeve, and one end of the bristles contacts and squeezes with the surface of the central filter cartridge. The surfaces of the first sleeve and the second sleeve are both connected with positioning rods through threads. The dust removal filter cartridge structure of the sleeve combination can avoid rotation between the central filter cartridge and the first sleeve and the second sleeve through the reinforcing ring, guide rod and positioning rod provided on the central filter cartridge, and can also position the telescopic position of the first sleeve and the second sleeve, thereby improving the stability of use. Moreover, through the cleaning sleeve and bristles, the first sleeve and the second sleeve can clean the filter holes when moving, and will not clog the filter holes and reduce the filter area.

[0008] Furthermore, one end of each of the first sleeve and the second sleeve is provided with a sleeve hole and a socket. The sockets are distributed in a circular shape with equal intervals with the sleeve hole as the center. The inner wall of the socket is slidably connected to the surface of the guide rod. The socket facilitates the insertion of the guide rod and prevents the two ends of the guide rod from protruding.

[0009] Furthermore, the cross-sectional shapes of the guide rod and the socket are both rectangular, and the surfaces of the first sleeve and the second sleeve are both provided with positioning holes connected to the socket, and the inner walls of the positioning holes are provided with internal threads, which facilitate the positioning of the positioning rod.

[0010] Furthermore, the surface of the positioning rod is provided with an external thread, one end of the positioning rod is provided with a polygonal nut, and the other end of the positioning rod is in contact and extrusion with the surface of the guide rod, and the positioning rod can fix the telescopic position of the first sleeve and the second sleeve.

[0011] Furthermore, the first mounting plate and the second mounting plate are both annular in shape, and through holes are provided on the surfaces of the first mounting plate and the second mounting plate.

[0012] Furthermore, the inner diameter of the cleaning sleeve is the same as the inner diameter of the sleeve hole, and a sealing ring is provided on the inner wall of the sleeve hole.

[0013] Furthermore, the surface of the central filter cartridge is in contact and compression with the inner wall of the sealing ring, which can avoid a gap being generated at the connection between the surface of the central filter cartridge and the inner walls of the two sleeves.

[0014] Compared with the prior art, the advantages of the present invention are:

[0015] (1) This solution uses the reinforcement ring, guide rod and positioning rod set on the central filter cartridge to not only prevent the central filter cartridge from rotating with the first sleeve and the second sleeve, but also to position the telescopic position of the first sleeve and the second sleeve, thereby improving the stability of use.

[0016] (2) This solution provides a cleaning sleeve and bristles, so that the first sleeve and the second sleeve can clean the filter holes when they move, without clogging the filter holes and reducing the filter area. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the cleaning sleeve structure of the present utility model;

[0019] Figure 3 This is a three-dimensional diagram of the first sleeve structure of the present utility model;

[0020] Figure 4 This is a three-dimensional diagram of the central filter cartridge structure of the present utility model;

[0021] Figure 5 for Figure 3 Magnified view of part A.

[0022] Description of the numbers in the figure:

[0023] 1 center filter cartridge, 11 center filter hole, 12 reinforcement ring, 13 guide rod, 2 first sleeve, 21 sleeve hole, 22 first filter hole, 23 insertion hole, 24 positioning hole, 25 first mounting plate, 26 through hole, 3 second sleeve, 31 second filter hole, 32 second mounting plate, 4 cleaning sleeve, 41 brush, 5 positioning rod. DETAILED DESCRIPTION

[0024] 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.

[0025] Example 1

[0026] See also Figure 1-5, a dust filter cartridge structure of a sleeve combination includes a central filter cartridge 1, a first sleeve 2 and a second sleeve 3 are slidably sleeved at both ends of the central filter cartridge 1, a central filter hole 11 is provided on the surface of the central filter cartridge 1, a reinforcement ring 12 is fixedly sleeved at the middle position of the central filter cartridge 1, and a guide rod 13 is fixedly sleeved on the surface of the reinforcement ring 12. The guide rod 13 can prevent slipping and rotation between the central filter cartridge 1 and the first sleeve 2 and the second sleeve 3. The two ends of the guide rod 13 are respectively slidably connected to one end of the first sleeve 2 and the second sleeve 3. The surfaces of the first sleeve 2 and the second sleeve 3 are respectively provided with a first filter hole 22 and a second filter hole 31. One end of the first sleeve 2 and the second sleeve 3 is fixedly connected with a first mounting plate 25 and a second mounting plate 32 respectively. One end of the first sleeve 2 and the second sleeve 3 is divided into A cleaning sleeve 4 is fixedly installed, and the cleaning sleeve 4 can clean the surface of the central filter cartridge 1 during the movement of the first sleeve 2 and the second sleeve 3. The inner diameter of the cleaning sleeve 4 is the same as the inner diameter of the sleeve hole 21, and the inner wall of the sleeve hole 21 is provided with a sealing ring. The surface of the central filter cartridge 1 is in contact and extrusion with the inner wall of the sealing ring, which can avoid the formation of a gap at the connection between the surface of the central filter cartridge 1 and the inner walls of the two sleeves. A brush 41 is provided on the inner side of the cleaning sleeve 4, and one end of the brush 41 is in contact and extrusion with the surface of the central filter cartridge 1. The surfaces of the first sleeve 2 and the second sleeve 3 are both threadedly connected with a positioning rod 5, and the positioning rod 5 fixes the sliding position of the first sleeve 2 and the second sleeve 3 on the surface of the guide rod 13 by the extrusion force, thereby fixing the telescopic position between the first sleeve 2, the second sleeve 3 and the central filter cartridge 1.

[0027] The first sleeve 2 and the second sleeve 3 are both provided with a sleeve hole 21 and a socket 23 at one end. The sockets 23 are distributed in a circular shape with the sleeve hole 21 as the center and at equal intervals. The inner wall of the socket 23 is slidably connected to the surface of the guide rod 13. The socket 23 facilitates the insertion of the guide rod 13 and at the same time prevents the two ends of the guide rod 13 from protruding. The cross-sectional shapes of the guide rod 13 and the socket 23 are both rectangular. The surfaces of the first sleeve 2 and the second sleeve 3 are both provided with a positioning hole 24 connected to the socket 23. The inner wall of the positioning hole 24 is provided with an internal thread. The positioning hole 24 facilitates the positioning of the positioning rod 5.

[0028] The surface of the positioning rod 5 is provided with an external thread, and a polygonal nut is provided at one end of the positioning rod 5. The other end of the positioning rod 5 is in contact and extruded with the surface of the guide rod 13. The positioning rod 5 can fix the telescopic position of the first sleeve 2 and the second sleeve 3. The first mounting plate 25 and the second mounting plate 32 are both in the shape of a circular ring, and the surfaces of the first mounting plate 25 and the second mounting plate 32 are both provided with through holes 26.

[0029] When assembling the dust filter cartridge structure of the sleeve combination, first fix the two cleaning sleeves 4 on one end of the first sleeve 2 and the second sleeve 3 respectively, then the first sleeve 2 is sleeved on the upper end of the central filter cartridge 1 from top to bottom, and the second sleeve 3 is sleeved on the lower end of the central filter cartridge 1 from bottom to top, and at the same time, the two ends of the guide rod 13 are inserted into the insertion holes 23 of the first sleeve 2 and the second sleeve 3, and then after adjusting the telescopic position of the first sleeve 2 and the second sleeve 3, the positioning rod 5 is screwed into the positioning hole 24 by a wrench so that one end of the positioning rod 5 firmly presses the guide rod 13. , thereby fixing the moving positions of the first sleeve 2 and the second sleeve 3. The reinforcing ring 12, the guide rod 13 and the positioning rod 5 provided on the central filter cartridge 1 can not only prevent the central filter cartridge 1 from rotating with the first sleeve 2 and the second sleeve 3, but also can position the telescopic position of the first sleeve 2 and the second sleeve 3, thereby improving the stability in use. In addition, the cleaning sleeve 4 and the brush 41 provided can clean the filter holes when the first sleeve 2 and the second sleeve 3 are moved, without clogging the filter holes and reducing the filtration area.

[0030] The above description is merely a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto. Any person skilled in the art who, within the technical scope disclosed in the present invention, makes equivalent substitutions or modifications based on the technical solutions and improved concepts of the present invention shall be covered by the scope of protection of the present invention.

Claims

1. A sleeve-type dust filter cartridge structure, comprising a central filter cartridge (1), wherein both ends of the central filter cartridge (1) are slidably sleeved with a first sleeve (2) and a second sleeve (3), and a central filter hole (11) is provided on the surface of the central filter cartridge (1), characterized in that: A reinforcing ring (12) is fixedly sleeved at the middle position of the central filter cartridge (1), and a guide rod (13) is fixedly sleeved on the surface of the reinforcing ring (12). The two ends of the guide rod (13) are respectively slidably connected to one end of the first sleeve (2) and the second sleeve (3). The surfaces of the first sleeve (2) and the second sleeve (3) are respectively provided with a first filter hole (22) and a second filter hole (31). One end of the first sleeve (2) and the second sleeve (3) are respectively fixedly connected to a first mounting plate (25) and a second mounting plate (32). One end of the first sleeve (2) and the second sleeve (3) are respectively fixedly installed with a cleaning sleeve (4). Brush bristles (41) are provided on the inner side of the cleaning sleeve (4). One end of the brush bristles (41) contacts and presses with the surface of the central filter cartridge (1). The surfaces of the first sleeve (2) and the second sleeve (3) are both connected to a positioning rod (5) through a thread.

2. The sleeve-type dust filter cartridge structure according to claim 1, characterized in that: One end of each of the first sleeve (2) and the second sleeve (3) is provided with a sleeve hole (21) and an insertion hole (23); the insertion holes (23) are distributed in a circular shape with equal intervals, with the sleeve hole (21) as the center; the inner wall of the insertion hole (23) is slidably connected to the surface of the guide rod (13).

3. The sleeve-type dust filter cartridge structure according to claim 2, characterized in that: The cross-sectional shapes of the guide rod (13) and the insertion hole (23) are both rectangular, and the surfaces of the first sleeve (2) and the second sleeve (3) are both provided with positioning holes (24) connected to the insertion hole (23), and the inner walls of the positioning holes (24) are provided with internal threads.

4. The sleeve-type dust filter cartridge structure according to claim 1, characterized in that: The surface of the positioning rod (5) is provided with an external thread, one end of the positioning rod (5) is provided with a polygonal nut, and the other end of the positioning rod (5) is in contact with and squeezed against the surface of the guide rod (13).

5. The sleeve-type dust filter cartridge structure according to claim 1, characterized in that: The first mounting plate (25) and the second mounting plate (32) are both annular in shape, and through holes (26) are provided on the surfaces of the first mounting plate (25) and the second mounting plate (32).

6. The sleeve-type dust filter cartridge structure according to claim 1, characterized in that: The inner diameter of the cleaning sleeve (4) is the same as the inner diameter of the sleeve hole (21), and a sealing ring is provided on the inner wall of the sleeve hole (21).

7. The sleeve-type dust filter cartridge structure according to claim 6, characterized in that: The surface of the central filter cartridge (1) is in contact and extrusion with the inner wall of the sealing ring.

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