Buckle type filter cartridge

Abstract

The utility model belongs to the field of filter cartridges, and particularly relates to a buckle type filter cartridge which comprises a base and a connecting cartridge, the connecting cartridge is fixedly connected in the middle of the base, and a plurality of groups of air holes are formed in the connecting cartridge; the filter cylinder body is arranged on the outer side of the connecting cylinder in a sleeving manner; the protective frame is mounted at the edge position of the base, the protective frame is arranged on the outer side of the filter cartridge body, and the filter cartridge body is protected through the protective frame; the buckle assembly is mounted at the top of the protective frame and is used for limiting and fixing the filter cartridge body; according to the utility model, the filter cartridge body can be conveniently limited and fixed by arranging the buckle assembly, so that the filter cartridge body is more stable to mount and can be quickly disassembled, assembled and replaced, and the replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of filter cartridges, in particular to a snap-on filter cartridge. Background Art

[0002] A filter cartridge is a cylindrical element used for filtering, which is generally divided into filter cartridges for filtering gas media and filtering liquid media. Usually, the filter cartridges we refer to are mostly used to filter gases, which are called air filter cartridges. Filter cartridges are surface filter elements. They use the tiny air-permeable tissue formed on the surface of the filter material to block the particulate matter in the gas. Filter cartridges are widely used for sampling of pollutants such as particulate matter, catering industry fumes, asphalt fumes, chromic acid mist, sulfuric acid mist, etc.

[0003] Existing filter cartridges are usually connected by bolts, flanges, etc., which are complicated to disassemble and assemble, and inconvenient to replace filter materials. Therefore, a snap-on filter cartridge is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the deficiencies of the prior art and solve the problem that the existing filter cartridges are usually connected by bolts, flanges, etc., which makes disassembly and assembly more complicated and inconvenient to replace filter materials, the utility model proposes a snap-on filter cartridge.

[0005] The technical solution adopted by the utility model to solve the technical problem is: the buckle-type filter cartridge described in the utility model comprises a base and a connecting tube, the connecting tube is fixedly connected in the middle of the base, and a plurality of groups of air holes are provided on the connecting tube;

[0006] A filter cartridge body, wherein the filter cartridge body is sleeved on the outside of the connecting cylinder;

[0007] A protective frame is installed at the edge of the base, and the protective frame is arranged on the outside of the filter cartridge body, and the filter cartridge body is protected by the protective frame;

[0008] The buckle assembly is installed on the top of the protective frame and is used to limit and fix the filter cartridge body.

[0009] Preferably, the protection frame comprises vertical rods, and the vertical rods are provided in multiple groups and symmetrically fixedly installed at the top edge position of the base, a protection ring is fixedly installed at the middle part of the vertical rods, and a fixing ring is fixedly installed at the top end of the vertical rods.

[0010] Preferably, the buckle assembly includes a support ring, the support ring is fixedly connected to the bottom end of the outer wall of the fixing ring, the side wall of the fixing ring is symmetrically provided with a through groove around the four sides, the bottom end of the through groove is flush with the top of the support ring, and a clamping block is slidably installed in the through groove, one end of the clamping block extends to the inner side of the fixing ring, the other end of the clamping block extends to the edge position of the supporting ring and is fixedly connected to the end portion of the fixing plate one, the bottom end of the support ring is fixedly installed with a fixing plate two, the fixing plate one and the fixing plate two are fixedly installed between the fixing plate one and the fixing plate two, a limiting plate is provided on the inner side of the fixing ring, the bottom end of the limiting plate is affixed with the top end of the filter cartridge body, and the bottom end of the clamping block is affixed with the top end of the limiting plate, a movable ring is movably sleeved on the upper part of the outer wall of the fixing ring, and a pressure rod is symmetrically fixedly installed on the bottom end of the movable ring, the pressure rod is vertically arranged just above the clamping block, an oblique groove is arranged in the middle of the clamping block, and the pressure rod and the oblique groove are adapted.

[0011] Preferably, the top end of the limiting plate is fixedly connected with a connecting ring, the connecting ring is sleeved on the outside of the connecting tube, the top end of the connecting ring is fixedly connected with a top plate, and the edge of the top plate overlaps the top end of the fixing ring.

[0012] Preferably, spring 2 is symmetrically fixedly installed around the bottom end of the movable ring, the bottom end of the spring 2 is fixedly connected to the top of the support ring, a telescopic rod is arranged in the middle of the spring 2, and the upper and lower ends of the telescopic rod are fixedly connected to the movable ring and the support ring respectively.

[0013] Preferably, the top end of the clamping block located on the inner side of the fixing ring is arranged to be inclined.

[0014] Preferably, the bottom end of the vertical rod passes through the mounting hole provided on the base, a nut is threadedly connected to the outer side wall of the bottom end of the vertical rod, a stopper is fixedly connected to the vertical rod, and the bottom end of the stopper is fitted with the top end of the base.

[0015] The utility model is beneficial in that:

[0016] 1. The utility model provides a protective frame on the outside of the filter cartridge body to protect the filter cartridge body and reduce the damage to the filter cartridge body caused by external collision.

[0017] 2. The utility model facilitates the limiting and fixing of the filter cartridge body by arranging a snap assembly, so that the installation of the filter cartridge body is more stable, and the filter cartridge body can be quickly disassembled and replaced, thereby improving the replacement efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the first embodiment;

[0020] Figure 2 is a cross-sectional view of embodiment 1;

[0021] Figure 3 For Example 1 Figure 2 A schematic diagram of the enlarged structure in the middle;

[0022] Figure 4 For Example 1 Figure 1 A magnified schematic diagram of the structure at B in the middle;

[0023] Figure 5 This is a schematic diagram of the connection between the vertical rod and the base in Example 2.

[0024] In the figure: 1. base; 2. connecting tube; 21. air hole; 3. protective frame; 31. vertical rod; 32. protective ring; 33. fixing ring; 34. block; 35. nut; 4. filter cartridge body; 5. buckle assembly; 51. movable ring; 52. support ring; 53. pressure rod; 54. through groove; 55. block; 56. fixing plate 1; 57. spring 1; 58. fixing plate 2; 59. inclined groove; 510. limit plate; 511. connecting ring; 512. top plate; 513. spring 2; 514. telescopic rod. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Embodiment 1

[0027] See also Figure 1-4 As shown, a snap-on filter cartridge comprises a base 1 and a connecting tube 2, wherein the connecting tube 2 is fixedly connected to the middle of the base 1, and a plurality of groups of air holes 21 are provided on the connecting tube 2;

[0028] A filter cartridge body 4, wherein the filter cartridge body 4 is sleeved on the outside of the connecting cylinder 2;

[0029] A protective frame 3 is installed at the edge of the base 1, and the protective frame 3 is arranged on the outside of the filter cartridge body 4, and the filter cartridge body 4 is protected by the protective frame 3;

[0030] The buckle assembly 5 is installed on the top of the protective frame 3 and is used to limit and fix the filter cartridge body 4.

[0031] The protective frame 3 includes vertical rods 31, and the vertical rods 31 are provided with multiple groups and symmetrically fixedly installed at the top edge position of the base 1. A protective ring 32 is fixedly installed in the middle of the vertical rods 31, and a fixing ring 33 is fixedly installed at the top of the vertical rods 31. When working, the vertical rods 31 and the protective rings 32 are combined to form an outer frame structure to protect the inner filter cartridge body 4 and reduce the damage to the filter cartridge body 4 caused by external collisions.

[0032] The buckle assembly 5 includes a support ring 52, which is fixedly connected to the bottom end of the outer wall of the fixing ring 33. The side wall of the fixing ring 33 is symmetrically provided with through grooves 54. The bottom end of the through groove 54 is flush with the top end of the support ring 52. A clamping block 55 is slidably installed inside the through groove 54. One end of the clamping block 55 extends to the inner side of the fixing ring 33, and the other end of the clamping block 55 extends to the edge of the support ring 52 and is fixedly connected to a fixing plate 1 56 at the end. The bottom end of the support ring 52 is fixedly installed with a fixing plate 2 58, a spring 57 is fixedly installed between the fixing plate 1 56 and the fixing plate 2 58, a limiting plate 510 is arranged on the inner side of the fixing ring 33, the bottom end of the limiting plate 510 is in contact with the top end of the filter cartridge body 4, and the bottom end of the clamping block 55 is in contact with the top end of the limiting plate 510, a movable ring 51 is movably sleeved on the upper part of the outer wall of the fixing ring 33, a pressure rod 53 is symmetrically fixedly installed on the bottom end of the movable ring 51, the pressure rod 53 is vertically arranged just above the clamping block 55, and an inclined groove 59 is arranged in the middle of the clamping block 55, The pressing rod 53 is adapted to the inclined groove 59; during operation, when replacing the filter cartridge body 4, the movable ring 51 is first pressed downward, and the movable ring 51 drives the pressing rod 53 to move downward, so that the bottom end of the pressing rod 53 contacts the top of the inclined groove 59. As the pressing rod 53 continues to move downward, the bottom end of the pressing rod 53 slides along the inclined groove 59, thereby forcing the block 55 to slide outward along the through groove 54, and at the same time, the spring 57 is stretched outward through the fixing plate 56. When the end of the block 55 is completely retracted into the through groove 54, the limiting plate 510 can be taken out upward, and then The filter cartridge body 4 can be removed and then replaced with a new filter cartridge body 4. After placing the limit plate 510 on the top of the filter cartridge body 4, the movable ring 51 is loosened, and the block 55 is pushed to reset under the rebound action of the spring 57, so that the end of the block 55 abuts against the top edge of the limit plate 510, thereby preventing the limit plate 510 from moving back, so that the limit plate 510 is stably abutted against the top of the filter cartridge body 4, thereby making the installation of the filter cartridge body 4 more stable, thereby realizing quick disassembly and replacement of the filter cartridge body 4 and improving the replacement efficiency.

[0033] The top of the limiting plate 510 is fixedly connected with a connecting ring 511, and the connecting ring 511 is sleeved on the outside of the connecting tube 2. The top of the connecting ring 511 is fixedly connected with a top plate 512, and the edge of the top plate 512 overlaps the top of the fixing ring 33. When working, the setting of the top plate 512 and the connecting ring 511 facilitates the quick removal of the limiting plate 510.

[0034] Springs 513 are symmetrically fixedly installed around the bottom end of the movable ring 51, and the bottom end of the spring 513 is fixedly connected to the top of the support ring 52. A telescopic rod 514 is arranged in the middle of the spring 513, and the upper and lower ends of the telescopic rod 514 are respectively fixedly connected to the movable ring 51 and the support ring 52; when working, the movable ring 51 can be reset by arranging the spring 513, and the telescopic rod 514 is arranged to facilitate limiting the position of the movable ring 51, so that the pressure rod 53 can be accurately inserted into the inclined groove 59.

[0035] The top end of the clamping block 55 located inside the fixing ring 33 is arranged to be inclined; during operation, the limiting plate 510 can smoothly pass through the clamping block 55 and move to the bottom of the clamping block 55 .

[0036] Embodiment 2

[0037] See also Figure 5 As shown, compared with Example 1, as another implementation of the utility model, the bottom end of the vertical rod 31 passes through the mounting hole opened on the base 1, and a nut 35 is threadedly connected to the outer wall of the bottom end of the vertical rod 31. A stopper 34 is fixedly connected to the vertical rod 31, and the bottom end of the stopper 34 is in contact with the top of the base 1. During operation, the protective frame 3 is easily installed and disassembled by setting the mounting hole, the nut 35 and the stopper 34, which facilitates disassembly and maintenance.

[0038] Working principle: during operation, when replacing the filter cartridge body 4, first press the movable ring 51 downward, and the movable ring 51 drives the pressure rod 53 to move downward, so that the bottom end of the pressure rod 53 contacts the top of the inclined groove 59. As the pressure rod 53 continues to move downward, the bottom end of the pressure rod 53 slides along the inclined groove 59, thereby forcing the block 55 to slide outward along the through groove 54, and at the same time, the spring 57 is stretched outward through the fixing plate 56. When the end of the block 55 is completely retracted into the through groove 54, the limiting plate 510 can be taken out upward, and the filter can be The cartridge body 4 is removed and then replaced with a new filter cartridge body 4. The limiting plate 510 is placed on the top of the filter cartridge body 4, and then the movable ring 51 is loosened. The block 55 is pushed back to its original position under the rebound action of the spring 57, so that the end of the block 55 abuts against the top edge of the limiting plate 510, thereby preventing the limiting plate 510 from moving back, so that the limiting plate 510 is stably abutted against the top of the filter cartridge body 4, thereby making the installation of the filter cartridge body 4 more stable, thereby realizing quick disassembly and replacement of the filter cartridge body 4 and improving the replacement efficiency.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A snap-on filter cartridge, characterized in that: It comprises a base (1) and a connecting tube (2), wherein the connecting tube (2) is fixedly connected to the middle of the base (1), and a plurality of groups of air holes (21) are provided on the connecting tube (2); A filter cartridge body (4), wherein the filter cartridge body (4) is sleeved on the outside of the connecting cylinder (2); A protective frame (3) is installed at the edge of the base (1), and the protective frame (3) is arranged on the outside of the filter cartridge body (4). The filter cartridge body (4) is protected by the protective frame (3); The buckle assembly (5) is installed on the top of the protective frame (3) and is used to limit and fix the filter cartridge body (4).

2. A snap-on filter cartridge according to claim 1, characterized in that: The protection frame (3) comprises vertical rods (31), wherein the vertical rods (31) are provided with a plurality of groups and are symmetrically fixedly mounted on the top edge of the base (1), a protection ring (32) is fixedly mounted on the middle of the vertical rods (31), and a fixing ring (33) is fixedly mounted on the top of the vertical rods (31).

3. A snap-on filter cartridge according to claim 2, characterized in that: The buckle assembly (5) comprises a support ring (52), wherein the support ring (52) is fixedly connected to the bottom end of the outer wall of the fixing ring (33), and the side wall of the fixing ring (33) is symmetrically provided with through grooves (54), and the bottom end of the through groove (54) is flush with the top end of the support ring (52), and a clamping block (55) is slidably installed inside the through groove (54), and one end of the clamping block (55) extends to the inner side of the fixing ring (33), and the other end of the clamping block (55) extends to the edge position of the support ring (52) and is fixedly connected to a fixing plate 1 (56) at the end, and a fixing plate 2 (58) is fixedly installed at the bottom end of the support ring (52), and the fixing plate 1 A spring (57) is fixedly installed between the first and second fixing plates (56) and the second fixing plate (58); a limiting plate (510) is arranged on the inner side of the fixing ring (33); the bottom end of the limiting plate (510) is fitted with the top end of the filter cartridge body (4); and the bottom end of the clamping block (55) is fitted with the top end of the limiting plate (510); a movable ring (51) is movably sleeved on the upper part of the outer wall of the fixing ring (33); a pressure rod (53) is symmetrically fixedly installed at the bottom end of the movable ring (51); the pressure rod (53) is vertically arranged directly above the clamping block (55); an inclined groove (59) is arranged in the middle of the clamping block (55); and the pressure rod (53) and the inclined groove (59) are adapted to each other.

4. A snap-on filter cartridge according to claim 3, characterized in that: The top end of the limiting plate (510) is fixedly connected to a connecting ring (511), the connecting ring (511) is sleeved on the outside of the connecting tube (2), the top end of the connecting ring (511) is fixedly connected to a top plate (512), and the edge of the top plate (512) overlaps the top end of the fixing ring (33).

5. The snap-on filter cartridge according to claim 4, characterized in that: A second spring (513) is symmetrically fixedly installed around the bottom end of the movable ring (51), the bottom end of the second spring (513) is fixedly connected to the top end of the support ring (52), a telescopic rod (514) is arranged in the middle of the second spring (513), and the upper and lower ends of the telescopic rod (514) are respectively fixedly connected to the movable ring (51) and the support ring (52).

6. The snap-on filter cartridge according to claim 5, characterized in that: The top end of the clamping block (55) located inside the fixing ring (33) is arranged in an inclined shape.

7. The snap-on filter cartridge according to claim 6, characterized in that: The bottom end of the vertical rod (31) passes through a mounting hole provided on the base (1); a nut (35) is threadedly connected to the outer wall of the bottom end of the vertical rod (31); a stopper (34) is fixedly connected to the vertical rod (31); and the bottom end of the stopper (34) is in contact with the top end of the base (1).

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