Detachable pipeline filter

Abstract

The utility model discloses a detachable pipeline filter, which belongs to the technical field of pipeline filters and comprises a barrel, a dismounting component is mounted on the surface of the barrel, a filter cartridge is arranged in the barrel, and a filter component is mounted on the side surface of the filter cartridge. The screw rod can drive the cover plate to move upwards in a limited mode under the meshing connection between the screw rod and the fixing frame, the filter cylinder can be driven to move out of the cylinder body through the inserting connection between the installation block and the filter cylinder when the cover plate moves upwards, then the filter cylinder can slide down from the installation block to be taken down, and the filter cylinder can be disassembled and assembled more easily and conveniently. The filter assembly is arranged, the hollow collecting box is connected to the side end of the filter cylinder, the filter head in the collecting box can preliminarily intercept and filter liquid, large-particle impurities are intercepted in the collecting box, the accumulation speed of the impurities in the filter cylinder is slowed down, and the replacement period is prolonged; and the filtering effect of the filter cartridge can be better by implementing graded filtering.

Description

Technical Field

[0001] The utility model belongs to the technical field of pipeline filters, and in particular relates to a detachable pipeline filter. Background Art

[0002] Pipeline filters are filters used in the pipeline part of the hydraulic system and are also filters involved in the pipeline transportation process.

[0003] Chinese patent application No. 201820075207.9 discloses a detachable pipeline filter, including a cylinder, a lower cover flange having a threaded inner wall, a slotted outer surface of the cylinder, a guide cone installed inside the cylinder, a bolt fixed at the bottom of the guide cone, a filter cartridge installed at the bottom of the bolt, a filter element arranged inside the filter cartridge, a spring member installed on the outer surface of the filter cartridge, an elastic clamp installed at one end of the spring member, a screw installed between the filter cartridge and the lower cover flange, and the screw is fixedly connected to the filter cartridge. The utility model has slotted outer surfaces of the cylinder, a spring member installed on the outer surface of the filter cartridge, an elastic clamp installed at one end of the spring member, and the filter cartridge can be driven by the screw to be pulled out from the inside of the cylinder by rotating the lower cover flange. The end of the elastic clamp is arc-shaped to prevent the elastic clamp from being damaged by the friction of the slotted outer surface, so that the filter cartridge inside the pipeline filter can be easily disassembled, and the stains and debris inside the pipeline filter can be easily cleaned.

[0004] In the above-mentioned patent disclosure, when disassembling and cleaning the filter cartridge and filter element, the entire cartridge body must be removed, and then the filter cartridge must be taken out of the cartridge body. Since the cartridge body and the pipeline are connected via a connecting flange, multiple bolts are required for disassembly and assembly, which is cumbersome and inconvenient to use. Moreover, large and small impurities in the pipeline will directly enter the filter cartridge and accumulate, accelerating the clogging of the mesh, resulting in the need to frequently disassemble and clean the filter cartridge. Utility Model Content

[0005] In order to solve the problems raised in the above background technology, the utility model provides a detachable pipeline filter, which has the characteristics of convenient cleaning and assembly and good filtering effect.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a detachable pipe filter, comprising a cylinder, both ends of which are connected to connecting flanges, a disassembly assembly is installed on the surface of the cylinder, a filter cartridge is arranged inside the cylinder, a filter assembly is installed on the side of the filter cartridge, and a guide block is arranged on the side of the filter assembly.

[0007] Preferably, the disassembly and assembly components include a fixed block, a spring, a mounting block, a cover plate, a screw and a fixing frame, wherein a fixing frame is installed on the surface of the cylinder, a screw is embedded in the interior of the fixing frame, a cover plate is provided at the bottom of the screw, the bottom of the cover plate is connected to the fixed block, the bottom end of the cover plate is connected to a disc, the side of the fixed block is connected to the mounting block, the screw and the fixing frame are threadedly engaged, the cover plate and the fixing frame and the cylinder are slidingly connected, and the filter cartridge and the mounting block are slidingly connected.

[0008] Preferably, the side edge of the cover plate is tightly fitted with the inner wall of the fixing frame, and a sealing ring is installed between the cover plate and the cylinder.

[0009] Preferably, a spring is sleeved on the surface of the mounting block between the filter cartridge and the fixed block, and a supporting block is installed on the surface of the cylinder body below the filter cartridge, and the supporting block has a semi-arc structure.

[0010] Preferably, the filter assembly comprises a connector, a collecting box and a filter head, wherein the collecting box is installed on the side of the filter cartridge, the filter head is arranged inside the collecting box, and the side of the collecting box is connected to the connector.

[0011] Preferably, the connector is in a cylindrical structure, the connector and the filter cartridge are threadedly connected, and the filter head is in a conical table structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model sets a disassembly and assembly component, rotates the screw rod, and under the meshing connection between the screw rod and the fixing frame, the sliding limit between the fixing frame and the cover plate can make the screw rod drive the cover plate to move up, and the cover plate can be moved up to drive the filter cartridge to move out of the cylinder body through the plug-in connection between the mounting block and the filter cartridge, and then the filter cartridge can be slid off the mounting block to be removed, which can make the disassembly and cleaning of the filter cartridge more convenient.

[0014] 2. The utility model sets a filter assembly, and the side end of the filter cartridge is connected to a collection box with a hollow interior. The filter head in the collection box can perform preliminary interception and filtration on the liquid, and retain large particles of impurities in the collection box, which slows down the accumulation of impurities inside the filter cartridge and extends the replacement cycle. The implementation of graded filtration can make the filtering effect of the filter cartridge better. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the front view of the utility model;

[0016] Figure 2 It is a side sectional view of the utility model;

[0017] Figure 3 It is a cross-sectional view of the filter assembly of the present utility model.

[0018] In the figure: 1. connecting flange; 2. cylinder; 3. disassembly and assembly components; 31. fixing block; 32. spring; 33. mounting block; 34. support block; 35. cover plate; 36. screw; 37. fixing frame; 4. filter cartridge; 5. filter assembly; 51. connector; 52. collection box; 53. filter head; 6. guide block. DETAILED DESCRIPTION

[0019] 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.

[0020] Example 1

[0021] See also Figure 1-3 The utility model provides the following technical solutions: a detachable pipe filter, comprising a cylinder 2, both ends of the cylinder 2 are connected with connecting flanges 1, a disassembly assembly 3 is installed on the surface of the cylinder 2, a filter cartridge 4 is arranged inside the cylinder 2, a filter assembly 5 is installed on the side of the filter cartridge 4, and a guide block 6 is arranged on the side of the filter assembly 5.

[0022] Specifically, the disassembly and assembly component 3 includes a fixed block 31, a spring 32, a mounting block 33, a cover plate 35, a screw 36 and a fixing frame 37. The fixing frame 37 is installed on the surface of the cylinder 2, and the screw 36 is embedded in the fixing frame 37. The bottom of the screw 36 is provided with a cover plate 35, the bottom of the cover plate 35 is connected to the fixed block 31, the bottom end of the cover plate 35 is connected to a disc, the side of the fixed block 31 is connected to the mounting block 33, the screw 36 and the fixing frame 37 are threadedly engaged, the cover plate 35 and the fixing frame 37 and the cylinder 2 are slidably connected, and the filter cartridge 4 and the mounting block 33 are slidably connected.

[0023] By adopting the above technical solution, the screw rod 36 is rotated, and the cover plate 35 can be driven to rise and fall under the meshing connection between the screw rod 36 and the fixing frame 37, so that the filter cartridge 4 can be easily disassembled and assembled.

[0024] Specifically, the side of the cover plate 35 is tightly fitted with the inner wall of the fixing frame 37 , and a sealing ring is installed between the cover plate 35 and the cylinder body 2 .

[0025] By adopting the above technical solution, the sliding limit between the fixing frame 37 and the cover plate 35 can enable the screw rod 36 to drive the cover plate 35 to move up and down, so that the covering sealing performance of the cover plate 35 is better.

[0026] Specifically, a spring 32 is sleeved on the surface of the mounting block 33 between the filter cartridge 4 and the fixing block 31 , and a supporting block 34 is installed on the surface of the cylinder body 2 below the filter cartridge 4 , and the supporting block 34 is in a semi-arc structure.

[0027] By adopting the above technical solution, the filter cartridge 4 can be limited, so that the filter cartridge 4 has a better filtering effect on the flowing liquid.

[0028] When the present embodiment is used, after the barrel 2 is bolted and fixed to the pipeline through the connecting flange 1, the filter cartridge 4 can filter impurities in the flowing liquid. When the filter cartridge 4 needs to be removed to clean the internal filter element, the screw 36 can be rotated. Under the meshing connection between the screw 36 and the fixing frame 37, the sliding limit between the fixing frame 37 and the cover plate 35 can enable the screw 36 to drive the cover plate 35 to move upward. The upward movement of the cover plate 35 can drive the filter cartridge 4 to move out of the barrel 2 through the plug-in connection between the mounting block 33 and the filter cartridge 4. Then, the filter cartridge 4 can be slid off the mounting block 33 and removed. There is no need to loosen the bolts in the connecting flange 1 to remove the barrel 2 to clean and replace the filter cartridge 4, which can make the disassembly and cleaning of the filter cartridge 4 more convenient.

[0029] Example 2

[0030] The present embodiment is different from the embodiment 1 in that the filter assembly 5 includes a connector 51, a collection box 52 and a filter head 53, the collection box 52 is installed on the side of the filter cartridge 4, the filter head 53 is arranged inside the collection box 52, and the side of the collection box 52 is connected to the connector 51.

[0031] Specifically, the connector 51 is in a cylindrical structure, the connector 51 and the filter cartridge 4 are threadedly connected, and the filter head 53 is in a truncated cone structure.

[0032] By adopting the above technical solution, the filter head 53 in the collection box 52 can perform preliminary interception and filtration on the liquid, and retain large particles of impurities in the collection box 52 .

[0033] When this embodiment is used, the side end of the filter cartridge 4 is connected to an internally hollow collection box 52. The filter head 53 in the collection box 52 can perform preliminary interception filtration on the liquid, trapping large particles of impurities in the collection box 52, slowing down the accumulation of impurities inside the filter cartridge 4 and extending the replacement cycle. The implementation of graded filtration can make the filtering effect of the filter cartridge 4 better.

[0034] The structure and use principle of the connecting flange 1, the cylinder 2, the filter cartridge 4 and the guide block 6 in the utility model are disclosed in Chinese patent application No. 201820075207.9, which discloses a detachable pipe filter, including the cylinder. The working principle is that after the cylinder 2 is bolted and fixed to the pipeline through the connecting flange 1, the filter cartridge 4 can filter impurities in the liquid.

[0035] Working principle and use process of the utility model: In the utility model, after the cylinder 2 is bolted and fixed to the pipeline through the connecting flange 1, the filter cartridge 4 can filter impurities in the flowing liquid. When the filter cartridge 4 needs to be removed to clean the internal filter element, the screw 36 can be rotated. Under the meshing connection between the screw 36 and the fixing frame 37, the sliding limit between the fixing frame 37 and the cover plate 35 can make the screw 36 drive the cover plate 35 to move upward. The upward movement of the cover plate 35 can drive the filter cartridge 4 through the plug-in connection between the mounting block 33 and the filter cartridge 4. Move it out of the cylinder 2, and then the filter cartridge 4 can be slid off the mounting block 33 and removed. There is no need to loosen the bolts in the connecting flange 1 to remove the cylinder 2 to clean and replace the filter cartridge 4, which can make the disassembly and cleaning of the filter cartridge 4 more convenient. The side end of the filter cartridge 4 is connected to a hollow collecting box 52. The filter head 53 in the collecting box 52 can perform preliminary interception and filtration on the liquid, and retain large particles of impurities in the collecting box 52, which slows down the accumulation speed of impurities inside the filter cartridge 4 and extends the replacement cycle. The implementation of graded filtration can make the filtering effect of the filter cartridge 4 better.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A detachable pipeline filter, comprising a cylinder, characterized in that: Both ends of the cylinder are connected with connecting flanges, a disassembly assembly is installed on the surface of the cylinder, a filter cartridge is arranged inside the cylinder, a filter assembly is installed on the side of the filter cartridge, and a guide block is arranged on the side of the filter assembly; The disassembly and assembly components include a fixing block, a spring, a mounting block, a cover plate, a screw and a fixing frame, wherein the fixing frame is installed on the surface of the cylinder, the screw is embedded in the fixing frame, the bottom of the screw is provided with a cover plate, the bottom of the cover plate is connected to the fixing block, the bottom end of the cover plate is connected to a disc, the side of the fixing block is connected to the mounting block, the screw and the fixing frame are threadedly engaged, the cover plate and the fixing frame and the cylinder are slidingly connected, and the filter cartridge and the mounting block are slidingly connected.

2. A detachable pipe filter according to claim 1, characterized in that: The side edge of the cover plate is tightly fitted with the inner wall of the fixing frame, and a sealing ring is installed between the cover plate and the cylinder body.

3. A detachable pipe filter according to claim 1, characterized in that: A spring is sleeved on the surface of the mounting block between the filter cartridge and the fixed block, and a supporting block is installed on the surface of the cylinder body below the filter cartridge, and the supporting block is in a semi-arc structure.

4. A detachable pipe filter according to claim 1, characterized in that: The filter assembly includes a connector, a collecting box and a filter head, wherein the collecting box is installed on the side of the filter cartridge, the filter head is arranged inside the collecting box, and the side of the collecting box is connected to the connector.

5. A detachable pipe filter according to claim 4, characterized in that: The connector is in a cylindrical structure, the connector and the filter cartridge are threadedly connected, and the filter head is in a truncated cone structure.

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