Valve filter with filter screen convenient to replace
By setting slots, through-holes and other structures on the valve filter flange cover, combined with the traction block and the adjustment block, the problem of cumbersome operation of the filter cartridge is solved, and the filter cartridge is easily disassembled and installed and cleaned, and the operation efficiency is improved.
Patent Information
- Application Number
- CN202422496514.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-16
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-16
AI Technical Summary
The filter cartridge on the existing valve filter is fixed by multiple bolts, which makes the operation complicated and inconvenient to replace the filter cartridge, which reduces the unloading efficiency and affects the operation effect.
A valve filter is designed to facilitate replacement of the filter mesh. By setting a slot, a through-hole, a sealing groove, a fixed block, a guide rod, a guide rod, a plug rod and a pulling block, a moving block, an adjusting block and a rotating rod, the stability of the filter cartridge is increased and easy to disassemble and assemble.
It improves the disassembly and assembly efficiency of the filter cartridge on the flange cover, facilitates cleaning, and enhances the convenience and efficiency of operation.
Smart Images

Figure CN223209121U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of valve filters, in particular to a valve filter with a convenient filter screen replacement. Background Art
[0002] A valve filter is a device installed on a pipeline conveying a medium to remove impurities from the medium, thereby protecting the valve and equipment from proper operation. It is typically installed at the inlet of a pressure reducing valve, a pressure relief valve, a level control valve, or other equipment. Its function is to remove impurities from the medium, preventing particulate matter from entering the passageway and causing blockage, thereby protecting the equipment and piping components from wear and clogging. This filtration device features an advanced structure, low resistance, and convenient drainage. Suitable media include water, oil, and gas. Specifically, a Y-type filter is a type of valve filter. It primarily consists of a pipe, a main pipe, a filter cartridge, a flange, a flange cover, and fasteners. When liquid enters the filter cartridge through the main pipe, solid impurities are trapped within the cartridge, while clean fluid passes through the cartridge and exits the filter outlet. Valve filters are extremely easy to use and maintain: when cleaning is necessary, simply remove the removable filter cartridge, dispose of it, and then reinstall it. This design makes valve filters an indispensable device for conveying mediums, widely used in various industrial fields to ensure the purity of the medium and the safe operation of the system.
[0003] However, the existing valve filter still has the following problems during use:
[0004] The filter cartridge on the existing valve filter is fixed to the flange cover by multiple bolts, which is cumbersome to operate and inconvenient to replace the filter cartridge, reducing the efficiency of removing and installing the filter cartridge from the flange cover and affecting the operation effect. Therefore, it is very necessary to provide a valve filter that is easy to replace the filter screen for use in the existing valve filter field. Utility Model Content
[0005] In order to make up for the shortcomings of the existing technology, the filter cartridge on the existing valve filter is fixed to the flange cover by multiple bolts, which is cumbersome to operate, inconvenient to replace the filter cartridge, reduces the efficiency of unloading and installing the filter cartridge from the flange cover, and affects the operation effect. The utility model proposes a valve filter with easy replacement of the filter screen.
[0006] The technical solution adopted by the utility model to solve the technical problem is: a valve filter for convenient replacement of filter screen, comprising a valve main pipe and a flange cover, wherein the flange cover is provided with a slot, the slot is penetrated by a plurality of through-holes, a sealing groove is provided on the flange cover, the sealing groove is located on the outside of the slot, the bottom of the flange cover is fixedly equipped with a plurality of groups of fixing blocks, each group of fixing blocks is located on the inner side of the through-hole, the number of each group of fixing blocks is two, a guide rod is symmetrically fixedly assembled between the two fixing blocks of each group, a guide block is movably assembled on the guide rod, and each guide block is fixedly equipped with a plug Rod, the insertion rod is located on one side of the fixed block, the bottom of the flange cover is fixedly assembled with an operating block, the operating block is located between multiple groups of fixed blocks, a traction cavity is provided inside the operating block, and the sides of the operating block are provided with traction grooves, the traction grooves are connected with the traction cavity, the traction cavity is movably assembled with a traction block, the sides of the traction block are fixedly assembled with moving blocks, the moving blocks are assembled corresponding to the traction grooves, one end of the moving block is fixedly assembled with a mounting plate, the bottom of the guide block is fixedly assembled with a fixed plate, the fixed plate is movably assembled with an adjustment block, and the other end of the adjustment block is movably assembled with the mounting plate.
[0007] Preferably, a rotating chamber may be provided inside the traction block, an adjusting bolt is threadedly assembled on the operating block, one end of the adjusting bolt movably passes through the traction chamber, one end of the adjusting bolt is fixedly assembled with a rotating rod, the rotating rod movably passes through the rotating chamber, and one end of the rotating rod is fixedly assembled with a rotating disk, and the rotating disk is movably assembled with the rotating chamber.
[0008] Preferably, a filter cartridge is mounted on the slot, and a plurality of plug-in blocks are fixedly mounted on the bottom of the filter cartridge, the plug-in blocks are plugged into the corresponding through-ports, and the plug-in blocks are provided with card holes, and the insertion rods on the guide blocks are plugged into the corresponding card holes.
[0009] Preferably, a limit plate is fixedly mounted on the surface of the filter cartridge, the limit plate is fitted with the surface of the flange cover, and a sealing ring is fixedly mounted on the bottom of the limit plate, the sealing ring is located on the outside of the filter cartridge, and the sealing ring is plugged into the sealing groove.
[0010] Preferably, a valve connecting pipe is fixedly mounted on the valve main pipe, connecting flanges are fixedly mounted on both ends of the valve main pipe and the bottom of the valve connecting pipe, and mounting holes are provided on the connecting flange and the flange cover.
[0011] Preferably, the connecting flange on the valve connecting pipe is assembled with the flange cover, and the mounting holes on the connecting flange coincide with the mounting holes on the flange cover. The mounting holes on the connecting flange and the mounting holes on the flange cover are both equipped with fastening bolts, and the fastening bolts are threaded with nuts. The filter cartridge is located inside the valve connecting pipe and the valve main pipe.
[0012] The utility model is beneficial in that:
[0013] The utility model inserts the plug block on the filter cartridge into the through-hole until the bottom of the filter cartridge fits into the slot. At this time, the sealing ring on the limit plate is plugged into the sealing groove. The clamping hole on the plug block is located on one side of the plug rod. The adjusting bolt is rotated on the operating block to rotate the rotating disk on the rotating rod on the rotating cavity. The traction block drives the moving block to move on the traction groove. Under the action of the adjusting block, the guide block moves on the guide rod, and the plug rod is plugged into the clamping hole on the plug block, which increases the stability between the filter cartridge and the flange cover, facilitates the disassembly and assembly of the filter cartridge on the flange cover, and facilitates the cleaning of the filter cartridge, thereby improving the operating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.
[0015] Figure 1 This is a schematic diagram of the structure of a valve filter that is convenient for replacing the filter screen of the present invention;
[0016] Figure 2 This is a schematic cross-sectional view of the valve filter of the utility model for convenient filter screen replacement;
[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the filter mechanism and the assembly flange of the utility model;
[0018] Figure 4 This is a schematic diagram of the filter structure of the utility model;
[0019] Figure 5 This is a schematic diagram of the cross-sectional structure of the assembly flange of the present invention.
[0020] In the picture:
[0021] 10. Valve main pipe; 11. Valve connecting pipe; 12. Connecting flange; 13. Mounting hole;
[0022] 20. Flange cover; 21. Fastening bolts; 22. Nuts; 23. Filter cartridge;
[0023] 30. Operating block; 31. Adjusting bolt; 32. Traction chamber; 33. Traction groove;
[0024] 40. Pulling block; 41. Mounting plate; 42. Guide block; 43. Insertion rod;
[0025] 50. Fixing plate; 51. Adjusting block; 52. Inserting block; 53. Clamping hole;
[0026] 60. Limit plate; 61. Sealing ring; 62. Sealing groove; 63. Slot;
[0027] 70. Through-hole; 71. Moving block; 72. Rotating cavity; 73. Rotating rod;
[0028] 80. Rotating disk; 81. Fixed block; 82. Guide rod. DETAILED DESCRIPTION
[0029] The following will be combined with the accompanying 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.
[0030] The following conclusion is attached Figure 1-5 To further explain this application,
[0031] The embodiment of the present application discloses a valve filter that is convenient for replacing the filter screen. Figure 3-Figure 5A valve filter for convenient filter screen replacement includes a valve main pipe 10 and a flange cover 20. A slot 63 is provided on the flange cover 20, and a plurality of through-holes 70 are provided on the slot 63. A sealing groove 62 is provided on the flange cover 20 and is located outside the slot 63. The bottom of the flange cover 20 is fixedly assembled with multiple groups of fixing blocks 81, each group of fixing blocks 81 is located on the inner side of the through-hole 70, and the number of each group of fixing blocks 81 is two. A guide rod 82 is symmetrically fixedly assembled between the two fixing blocks 81 of each group, and a guide block 42 is movably assembled on the guide rod 82. The guide block 42 is fixedly assembled with an insertion rod 43 located on one side of the fixing block 81. The bottom of the flange cover 20 is fixedly assembled with an operating block 30, and the operating block 30 is located on the multiple groups of fixing blocks 81. 1, the interior of the operating block 30 is provided with a traction chamber 32, and the sides of the operating block 30 are provided with traction grooves 33 connected to the traction chamber 32. The traction chamber 32 is movably equipped with a traction block 40, and the sides of the traction block 40 are fixedly equipped with a moving block 71 that moves in the traction groove 33. One end of the moving block 71 is fixedly equipped with a mounting plate 41, and the bottom of the guide block 42 is fixedly equipped with a fixed plate 50. The fixed plate 50 is movably equipped with an adjustment block 51, and the other end of the adjustment block 51 is movably assembled with the mounting plate 41. The interior of the traction block 40 is provided with a rotating chamber 72, and the operating block 30 is threadedly equipped with an adjusting bolt 31. One end of the adjusting bolt 31 is movably passed through the traction chamber 32, and one end of the adjusting bolt 31 is fixed. The filter cartridge 23 is provided with a rotating rod 73, which is movable and penetrates the rotating chamber 72, and one end of the rotating rod 73 is fixedly equipped with a rotating disk 80 that rotates in the rotating chamber 72. The filter cartridge 23 is equipped with a slot 63, and the bottom of the filter cartridge 23 is fixedly equipped with a plurality of plug-in blocks 52 that are plugged into the through-port 70. The plug-in blocks 52 are all provided with card holes 53. The plug-in rods 43 on the guide blocks 42 are plugged into the card holes 53 accordingly. The surface of the filter cartridge 23 is fixedly equipped with a limit plate 60, which fits the surface of the flange cover 20. The bottom of the limit plate 60 is fixedly equipped with a sealing ring 61 that is plugged into the sealing groove 62. The sealing ring 61 is located on the outside of the filter cartridge 23. The plug-in blocks 52 on the filter cartridge 23 are correspondingly inserted into the through-port 70. 0, until the bottom of the filter cartridge 23 is fitted with the slot 63. At this time, the sealing ring 61 on the limit plate 60 is plugged into the sealing groove 62. The card hole 53 on the plug block 52 is located on one side of the plug rod 43. The adjusting bolt 31 is rotated and moved on the operating block 30, so that the rotating disk 80 on the rotating rod 73 rotates on the rotating cavity 72. The traction block 40 drives the moving block 71 to move on the traction groove 33. Under the action of the adjusting block 51, the guide block 42 moves on the guide rod 82. The plug rod 43 is plugged into the card hole 53 on the plug block 52, so that the stability between the filter cartridge 23 and the flange cover 20 is increased, which facilitates the disassembly and assembly of the filter cartridge 23 on the flange cover 20, the cleaning of the filter cartridge 23 is convenient, and the operating efficiency is improved.
[0032] Reference Figure 1 and Figure 2 A valve pipe 11 is fixedly assembled on the valve main pipe 10. Both ends of the valve main pipe 10 and the bottom of the valve pipe 11 are fixedly assembled with connecting flanges 12. Mounting holes 13 are provided on the connecting flange 12 and the flange cover 20. The connecting flange 12 on the valve pipe 11 is assembled with the flange cover 20. At this time, the mounting holes 13 on the connecting flange 12 coincide with the mounting holes 13 on the flange cover 20. The mounting holes 13 on the connecting flange 12 and the mounting holes 13 on the flange cover 20 are both equipped with fastening bolts 21. Nuts 22 are threadedly assembled on the fastening bolts 21. The filter cartridge 23 is located inside the valve pipe 11 and the valve main pipe 10. When the liquid flows through the valve main pipe 10, it is filtered by the filter cartridge 23, so that impurities on the liquid are filtered, preventing particulate impurities from entering the channel and causing blockage, thereby protecting the accessories on the equipment pipeline from wear and blockage.
[0033] Working principle: Insert the plug block 52 on the filter cartridge 23 into the through-hole 70 until the bottom of the filter cartridge 23 is fitted into the slot 63. At this time, the sealing ring 61 on the limit plate 60 is plugged into the sealing groove 62. The card hole 53 on the plug block 52 is located on one side of the insertion rod 43. Rotate the movable adjusting bolt 31 on the operating block 30 so that the rotating disk 80 on the rotating rod 73 rotates on the rotating cavity 72. The traction block 40 drives the moving block 71 to move on the traction groove 33. Under the action of the adjusting block 51, the guide block 42 moves on the guide rod 82. The insertion rod 43 plugs the card hole 53 on the plug block 52, thereby increasing the stability between the filter cartridge 23 and the flange cover 20, facilitating the disassembly and assembly of the filter cartridge 23 on the flange cover 20, and facilitating the cleaning of the filter cartridge 23, thereby improving the operating efficiency.
[0034] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.
Claims
1. A valve filter with easy filter screen replacement, characterized by: The invention comprises a valve main pipe (10) and a flange cover (20), wherein the flange cover (20) is provided with a slot (63), and a plurality of through-holes (70) are provided through the slot (63), and a sealing groove (62) is provided on the flange cover (20), and the sealing groove (62) is located on the outside of the slot (63). The bottom of the flange cover (20) is fixedly equipped with a plurality of fixed blocks (81), and each group of fixed blocks (81) is located on the inner side of the through-hole (70). The number of each group of fixed blocks (81) is two, and a guide rod (82) is symmetrically fixedly equipped between the two fixed blocks (81) of each group, and a guide block (42) is movably equipped on the guide rod (82), and each guide block (42) is fixedly equipped with an insertion rod (43), and the insertion rod (43) is located on one side of the fixed block (81). The flange cover (20) An operating block (30) is fixedly assembled at the bottom of the guide block (42). The operating block (30) is located between multiple groups of fixed blocks (81). A traction cavity (32) is provided inside the operating block (30). A traction groove (33) is provided on the side of the operating block (30). The traction groove (33) is communicated with the traction cavity (32). A traction block (40) is movably assembled on the traction cavity (32). A moving block (71) is fixedly assembled on the side of the traction block (40). The moving block (71) is assembled corresponding to the traction groove (33). One end of the moving block (71) is fixedly assembled with a mounting plate (41). The bottom of the guide block (42) is fixedly assembled with a fixed plate (50). An adjusting block (51) is movably assembled on the fixed plate (50). The other end of the adjusting block (51) is movably assembled with the mounting plate (41).
2. A valve filter with easy filter screen replacement according to claim 1, characterized in that: The interior of the traction block (40) may be provided with a rotating chamber (72); an adjusting bolt (31) is threadedly mounted on the operating block (30); one end of the adjusting bolt (31) movably penetrates the traction chamber (32); one end of the adjusting bolt (31) is fixedly mounted with a rotating rod (73); the rotating rod (73) movably penetrates the rotating chamber (72); and one end of the rotating rod (73) is fixedly mounted with a rotating disk (80); the rotating disk (80) is movably assembled with the rotating chamber (72).
3. The valve filter with convenient filter screen replacement according to claim 2, characterized in that: The slot (63) is equipped with a filter cartridge (23), and a plurality of plug blocks (52) are fixedly equipped on the bottom of the filter cartridge (23). The plug blocks (52) are plugged into the through openings (70) respectively. The plug blocks (52) are each provided with a clamping hole (53), and the insertion rods (43) on the guide block (42) are plugged into the clamping holes (53) respectively.
4. The valve filter with convenient filter screen replacement according to claim 3, characterized in that: A limiting disk (60) is fixedly mounted on the surface of the filter cartridge (23), the limiting disk (60) is in contact with the surface of the flange cover (20), and a sealing ring (61) is fixedly mounted on the bottom of the limiting disk (60), the sealing ring (61) is located outside the filter cartridge (23), and the sealing ring (61) is plugged into the sealing groove (62).
5. The valve filter with convenient filter screen replacement according to claim 3, characterized in that: The valve main pipe (10) is fixedly mounted with a valve connecting pipe (11), both ends of the valve main pipe (10) and the bottom of the valve connecting pipe (11) are fixedly mounted with connecting flanges (12), and both the connecting flanges (12) and the flange cover (20) are provided with mounting holes (13).
6. The valve filter with convenient filter screen replacement according to claim 5, characterized in that: The connecting flange (12) on the valve connecting pipe (11) is assembled with the flange cover (20), and the mounting hole (13) on the connecting flange (12) and the mounting hole (13) on the flange cover (20) are overlapped. The mounting hole (13) on the connecting flange (12) and the mounting hole (13) on the flange cover (20) are both equipped with fastening bolts (21), and nuts (22) are threadedly assembled on the fastening bolts (21). The filter cartridge (23) is located inside the valve connecting pipe (11) and the valve main pipe (10).