Cylindrical filter cartridge of filter

Abstract

The utility model relates to the technical field of filter cartridges, in particular to a cylindrical filter cartridge of a filter, which comprises a filter cartridge body and a cover plate, and further comprises a mounting seat, a sealing gasket and a locking component, the upper end of the filter cartridge body is fixedly connected with the mounting seat, the upper end of the mounting seat is detachably provided with the cover plate through the locking component, and the inner wall of the mounting seat is provided with a groove. A groove is formed in the upper end of the mounting base, a limiting groove communicated with the groove is formed in the upper end of the mounting base, a sealing groove is formed in the upper end of the mounting base, a sealing gasket is mounted in the sealing groove, baffles which are annularly distributed at equal intervals are fixedly connected into the groove, arc-shaped rods are fixedly connected to the other sides of the baffles, and clamping blocks are slidably connected to the outer sides of the arc-shaped rods; the lower end of the locking plate is fixedly connected with positioning insertion rods which are annularly distributed at equal intervals; according to the utility model, the sealing grooves are arranged at the joints of the filter cartridges, so that the problems that the conventional plane sealing is easy to deviate, age and leak are effectively solved, the connection of the filter cartridges and the end covers is realized by rotating the buckles, and the disassembly and assembly modes are simple and firm.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter cartridge technical field especially relates to a filter cylindrical filter cartridge. BACKGROUND

[0002] The cylindrical filter cartridge is a kind of high-efficiency filter element, is widely used in industrial dust removal, air purification, liquid filtration and other fields, and becomes the key component of modern filtration system by virtue of its high filtration efficiency, compact structure, easy maintenance and other characteristics, and is generally composed of filter layer, support framework, end cover, sealing ring and fastener.

[0003] Most of the existing filter cartridges adopt end cover plane sealing structure, and the sealing structure is prone to sealing failure under vibration working condition, there is leakage risk, and the sealing ring is bonded on the end cover by glue, the glue is influenced by temperature change, medium corrosion or mechanical vibration for a long time, and is prone to aging, cracking or falling off, to cause sealing failure, pressure fluctuation or vibration working condition, the bonding surface can be stripped, and the sealing ring needs to be cleaned when being replaced, and the operation is complex, and the technical requirement of worker is higher, bonding needs accurate alignment, otherwise, it is prone to deviation or sealing is not strict, and the uniformity of glue coating, curing time and environmental temperature and humidity can all affect bonding quality, to cause inconsistent sealing.

[0004] Therefore, in view of the problems of existing filter cartridge that sealing ring is prone to aging, maintenance is difficult, and sealing is prone to failure under pressure fluctuation or vibration working condition, a filter cylindrical filter cartridge can be designed, mechanical limiting installation of sealing ring is realized by optimizing end cover groove structure, sealing reliability and service life are significantly improved, and the disassembly and assembly mode is simple and reliable, and the professional requirement of worker is not high. CONTENT OF UTILITY MODEL

[0005] In order to overcome the problems of existing filter cartridge that sealing ring is prone to aging, maintenance is difficult, and sealing is prone to failure under pressure fluctuation or vibration working condition.

[0006] The technical scheme of the utility model is as follows: a filter cylindrical filter cartridge, comprising filter cartridge body and cover plate, further comprising mounting seat, sealing gasket and locking assembly, the mounting seat is fixedly connected to the upper end of the filter cartridge body, the cover plate is detachably installed on the upper end of the mounting seat through the locking assembly, the inner wall of the mounting seat is provided with a groove, the upper end of the mounting seat is provided with a limiting slot in communication with the groove, the upper end of the mounting seat is provided with a sealing groove, the sealing gasket is installed in the sealing groove, the groove is fixedly connected with annular equidistant distribution baffle, the side of the baffle is flush with the inner wall of the groove, the other side of the baffle is fixedly connected with arc-shaped rod, the outer side of the arc-shaped rod is slidably connected with clamping block, the locking assembly comprises locking plate, the lower end of the locking plate is fixedly connected with annular equidistant distribution positioning plug rod, the outer side of the positioning plug rod is sleeved with first spring, the inner side of the locking plate is provided with upper and lower through-positioning slot.

[0007] Preferably, the cover plate is placed above the mounting seat, the clamping block and the limiting groove are aligned, the clamping block is placed into the limiting groove until the clamping block is attached to the bottom of the groove, the cover plate is rotated, the clamping block slides on the outside of the arc-shaped rod, then the locking plate is pulled up, the positioning plug rod is inserted into the positioning groove at the same time, the first spring is stretched, the clamping block continues to rotate to the side of the baffle, under the action of the first spring, the positioning plug rod is inserted into the clamping block, the clamping block is fixed, the sealing gasket in the sealing groove is sealed, the sealing performance between the cover plate and the mounting seat is greatly improved, the liquid to be filtered enters the filter cartridge body from the upper end of the cover plate, and filtration can be performed.

[0008] Preferably, another sealing groove is formed in the lower end of the cover plate, and another sealing gasket is arranged in the other sealing groove.

[0009] Preferably, the cover plate comprises two concentric cylinders with the upper one being larger than the lower one, and the clamping block is fixedly connected to the lower cylindrical part of the cover plate.

[0010] Preferably, the first spring is arranged between the locking plate and the cover plate, and the positioning plug rod is inserted into the clamping block.

[0011] Preferably, the upper end of the cover plate is provided with an anti-loosening assembly, the anti-loosening assembly comprises a fixed seat, the fixed seat is fixedly connected to the upper end of the cover plate, the fixed seat and the cover plate are concentric structures, an annular groove is formed in the outer surface of the fixed seat, a rotating ring is rotatably connected in the annular groove, an anti-skid pad is arranged on the inner wall of the rotating ring, and a pressing rod is fixedly connected to the outer side of the rotating ring.

[0012] Preferably, a second spring is sleeved on the outer side of the arc-shaped rod, the second spring is arranged between the baffle and the clamping block, the second spring is fixedly connected to the baffle, a first through hole for arranging the positioning plug rod is formed in the cover plate, and a second through hole corresponding to the first through hole is formed in the mounting seat.

[0013] Preferably, annular and equidistant identification blocks are fixedly connected to the outer surfaces of the cover plate and the mounting seat, the identification blocks are arranged at the center of the limiting groove, and a liquid inlet is arranged at the middle of the upper end of the cover plate.

[0014] The filter cartridge has the advantages that the sealing groove is arranged at the connecting position of the filter cartridge, the sealing performance of the filter cartridge is greatly improved by cooperation of the sealing groove and the sealing ring, leakage is prevented, the sealing groove is tightly embedded with the sealing member, the sealing pressure distribution is more uniform, when the system works, the medium pressure can make the sealing ring produce a self-tightening effect, the sealing effect is further improved, the problems of easy deviation and aging leakage of the traditional plane sealing are solved, the filter cartridge and the end cover are connected in the mode of rotating the buckle, the bolt fastening step is omitted, the maintenance time is shortened, the sealing ring is prevented from being deformed due to excessive fastening, and the dismounting mode is simple and reliable, and professional workers and tools are not needed. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The diagram shown is a first three-dimensional structural schematic of the cylindrical filter cartridge of this utility model;

[0016] Figure 2 The diagram shown is a three-dimensional structural diagram of the mounting base inside the cylindrical filter cartridge of this utility model.

[0017] Figure 3 The diagram shown is a three-dimensional structural schematic of the locking component in the cylindrical filter cartridge of this utility model.

[0018] Figure 4 The diagram shown is a three-dimensional structural schematic of the anti-loosening component in the cylindrical filter cartridge of this utility model.

[0019] Figure 5 The diagram shown is a three-dimensional structural diagram of the cover plate in the cylindrical filter cartridge of this utility model.

[0020] Explanation of reference numerals in the attached drawings: 1. Filter cartridge body; 2. Mounting base; 3. Cover plate; 4. Locking block; 5. Groove; 6. Sealing groove; 7. Limiting groove; 8. Baffle; 9. Arc rod; 10. Sealing gasket; 111. Locking plate; 112. Positioning rod; 113. First spring; 114. Positioning groove; 121. Fixed base; 122. Annular groove; 123. Rotating ring; 124. Anti-slip pad; 125. Pressure rod; 13. Second spring; 14. First through hole; 15. Second through hole; 16. Identifier block; 17. Liquid inlet. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0022] Please see Figures 1-5 This utility model provides an embodiment: a cylindrical filter cartridge, including a filter cartridge body 1 and a cover plate 3, and also including a mounting base 2, a sealing gasket 10 and a locking assembly. The upper end of the filter cartridge body 1 is fixedly connected to the mounting base 2, and the cover plate 3 is detachably installed on the upper end of the mounting base 2 through the locking assembly. The inner wall of the mounting base 2 has a groove 5, and the upper end of the mounting base 2 has a limiting groove 7 that communicates with the groove 5. The upper end of the mounting base 2 has a sealing groove 6, and a sealing gasket 10 is installed in the sealing groove 6. An annularly distributed baffle 8 is fixedly connected in the groove 5. One side of the baffle 8 is flush with the inner wall of the groove 5, and the other side of the baffle 8 is fixedly connected to an arc-shaped rod 9. A locking block 4 is slidably connected to the outer side of the arc-shaped rod 9. The locking assembly includes a locking plate 111, and the lower end of the locking plate 111 is fixedly connected to an annularly distributed positioning rod 112. A first spring 113 is sleeved on the outer side of the positioning rod 112. The inner side of the locking plate 111 has a vertically penetrating positioning groove 114.

[0023] Please see Figures 1-3In the embodiment, another sealing groove 6 is arranged at the lower end of the cover plate 3, and another sealing gasket 10 is arranged in the sealing groove 6. The sealing groove 6 is designed in a stepped manner, the stepped groove forms multiple sealing lines, the sealing gasket 10 shares the pressure of different sections at different positions, the distortion phenomenon in the traditional single groove installation is avoided, and the circumferential movement of the sealing gasket 10 caused by vibration is prevented. The cover plate 3 is composed of two concentric cylinders with the upper one larger than the lower one. The clamping block 4 is fixedly connected with the lower cylinder of the cover plate 3. The first spring 113 is arranged between the locking plate 111 and the cover plate 3. The positioning plug rod 112 is inserted into the clamping block 4. The cover plate 3 and the mounting seat 2 are fixedly connected with the annular equidistantly distributed identification blocks 16. The position of the clamping block 4 can be quickly determined by aligning the identification blocks 16, so that the clamping block 4 can be quickly installed and positioned. The identification blocks 16 are arranged at the center of the limiting groove 7. The liquid inlet 17 is arranged at the upper end of the cover plate 3.

[0024] Please refer to Figures 2-5 In the embodiment, the anti-loosening assembly is arranged at the upper end of the cover plate 3. The anti-loosening assembly comprises a fixed seat 121 fixedly connected with the upper end of the cover plate 3, and the fixed seat 121 and the cover plate 3 are concentric structures. An annular groove 122 is arranged on the outer surface of the fixed seat 121. A rotating ring 123 is rotatably connected in the annular groove 122. An anti-skid pad 124 is arranged on the inner wall of the rotating ring 123. A pressure rod 125 is fixedly connected with the outer side of the rotating ring 123. The locking plate 111 is pressed tightly by the pressure rod 125, so as to further prevent the locking plate 111 from loosening. The second spring 13 is sleeved with the arc-shaped rod 9. The second spring 13 is arranged between the baffle 8 and the clamping block 4, and is fixedly connected with the baffle 8. A first through hole 14 for installing the positioning plug rod 112 is arranged on the cover plate 3. A second through hole 15 corresponding to the first through hole 14 is arranged on the mounting seat 2.

[0025] In the working process, the rotating ring 123 in the annular groove 122 is rotated, the pressure rod 125 is synchronously rotated, the pressure rod 125 is aligned with the positioning groove 114, the friction between the rotating ring 123 and the fixed seat 121 is increased under the action of the non-slip pad 124, the cover plate 3 is placed above the mounting seat 2, the identification block 16 and another identification block 16 are aligned, the clamping block 4 is placed into the limiting groove 7 until the clamping block 4 is attached to the bottom of the groove 5, the cover plate 3 is rotated, the clamping block 4 is slid outside the arc-shaped rod 9, then the locking plate 111 is pulled up, the positioning inserting rod 112 is synchronously inserted into the positioning groove 114, the first spring 113 is stretched, the clamping block 4 is continuously rotated to one side of the baffle 8, under the action of the first spring 113, the positioning inserting rod 112 is inserted into the clamping block 4, the clamping block 4 is fixed, then the pressure rod 125 is rotated, the pressure rod 125 is staggered with the positioning groove 114, the stability of the locking plate 111 is further improved, meanwhile, the sealing gasket 10 in the sealing groove 6 greatly strengthens the sealing property between the cover plate 3 and the mounting seat 2, the filtered liquid is poured into the filter cartridge body 1 from the liquid inlet 17, and the filtering can be performed.

[0026] Through the above steps, by arranging the sealing groove at the filter cartridge connecting position and cooperating with the use of the sealing ring, the sealing performance of the filter cartridge is greatly enhanced, leakage is prevented, the sealing groove is closely embedded with the sealing element, the sealing pressure distribution is more uniform, when the system works, the medium pressure can make the sealing ring produce a self-tightening effect, the sealing effect is further strengthened, the problems that the traditional plane sealing is easy to deviate and aged leakage are effectively solved, the filter cartridge and the end cover are connected in the rotary buckle mode, the bolt fastening step is omitted, the maintenance time is shortened, meanwhile, the sealing ring deformation caused by excessive fastening can be prevented, the dismounting mode is simple and reliable, and professional workers and tools are not needed.

[0027] The embodiments of the utility model are described in detail above combined with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range of the person skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A filter cartridge of the cylindrical type comprising a cartridge body (1) and a cover plate (3), characterized in that: The filter cartridge further comprises a mounting base (2), a sealing gasket (10) and a locking assembly, the upper end of the filter cartridge body (1) is fixedly connected with the mounting base (2), the upper end of the mounting base (2) is detachably provided with a cover plate (3) through the locking assembly, the inner wall of the mounting base (2) is provided with a groove (5), the upper end of the mounting base (2) is provided with a limiting groove (7) penetrating through the groove (5), the upper end of the mounting base (2) is provided with a sealing groove (6), the sealing groove (6) is provided with the sealing gasket (10), the groove (5) is fixedly connected with the baffle (8) distributed in a ring shape and at equal intervals, one side of the baffle (8) is flush with the inner wall of the groove (5), the other side of the baffle (8) is fixedly connected with an arc-shaped rod (9), the outer side of the arc-shaped rod (9) is slidably connected with a clamping block (4), the locking assembly comprises a locking plate (111), the lower end of the locking plate (111) is fixedly connected with the positioning plug rod (112) distributed in a ring shape and at equal intervals, the outer side of the positioning plug rod (112) is sleeved with a first spring (113), and the inner side of the locking plate (111) is provided with a positioning groove (114) penetrating through the upper and lower sides.

2. A filter cartridge according to claim 1 wherein: The lower end of the cover plate (3) is provided with another sealing groove (6), and the other sealing groove (6) is provided with another sealing gasket (10), and the sealing groove (6) is designed in a stepped manner.

3. A filter cartridge according to claim 1 wherein: The cover plate (3) is composed of two concentric cylinders with the upper one being larger than the lower one, and the clamping block (4) is fixedly connected with the lower cylinder of the cover plate (3).

4. A filter cartridge according to claim 1 wherein: The first spring (113) is arranged between the locking plate (111) and the cover plate (3), and the positioning plug rod (112) is inserted into the clamping block (4).

5. A filter cartridge according to claim 1 wherein: The upper end of the cover plate (3) is provided with an anti-loosening assembly, the anti-loosening assembly comprises a fixing seat (121), the fixing seat (121) is fixedly connected to the upper end of the cover plate (3), and the fixing seat (121) and the cover plate (3) are concentric structures, the outer surface of the fixing seat (121) is provided with a ring groove (122), the ring groove (122) is rotatably connected with a rotating ring (123), the inner wall of the rotating ring (123) is provided with an anti-skid pad (124), and the outer side of the rotating ring (123) is fixedly connected with a pressing rod (125).

6. A filter cartridge according to claim 1 wherein: The outer side of the arc-shaped rod (9) is sleeved with a second spring (13), the second spring (13) is arranged between the baffle (8) and the clamping block (4), and the second spring (13) is fixedly connected with the baffle (8), and the cover plate (3) is provided with a first through hole (14) for installing the positioning plug rod (112), and the mounting base (2) is provided with a second through hole (15) corresponding to the first through hole (14).

7. A filter cartridge according to claim 1 wherein: The outer surfaces of the cover plate (3) and the mounting base (2) are fixedly connected with the identification blocks (16) distributed in a ring shape and at equal intervals, the identification blocks (16) are arranged at the center of the limiting groove (7), and the upper end of the cover plate (3) is provided with a liquid inlet (17).

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