Detachable T-shaped filter cartridge
The detachable T-type filter cartridge design solves the problem of difficult disassembly and maintenance of the filter cartridge caused by soldering, enabling convenient replacement of the filter screen and high equipment reliability, while reducing maintenance costs.
Patent Information
- Application Number
- CN202520161862.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-01-24
AI Technical Summary
Existing filter cartridges are difficult to disassemble and maintain due to soldering, and have poor corrosion resistance, which affects the reliability and service life of the equipment.
The filter cartridge features a detachable T-type design, allowing for convenient replacement and maintenance of the filter screen through threaded connections and a detachable structure. The combination of nuts, studs, and sealing rings ensures a secure connection between the filter screen and the cartridge.
This enables convenient cleaning and maintenance of the filter cartridge, reduces maintenance costs, and improves the reliability and service life of the equipment.
Smart Images

Figure CN223945123U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of marine filter, specifically a detachable T type filter filter cartridge. BACKGROUND
[0002] In the seawater filtering process, the impurities in seawater are intercepted by the filter cartridge when passing through the inside of the filter, and since the medium precision required by the subsequent equipment is relatively high, a hole plate and a fine filter screen are used to ensure the filtering precision and protect the downstream equipment of the pipeline from damage.
[0003] The filter cartridge will clog the filter screen during operation, and needs to be cleaned, maintained and replaced regularly, but the conventional filter cartridge adopts a soldering method to weld the filter screen and the outer filter cartridge together, which is troublesome during replacement and disassembly, and the soldering method has poor corrosion resistance, is easy to fall off and be damaged during use, and may even lead to replacement failure in severe cases. CONTENT OF THE UTILITY MODEL
[0004] In order to overcome the above-mentioned deficiencies, the utility model provides a detachable T type filter filter cartridge.
[0005] The utility model takes the technical scheme of:
[0006] A detachable T type filter filter cartridge, comprising a tee pipe, the tee pipe is composed of a vertical pipe and a horizontal pipe, the inner diameters of the vertical pipe and the horizontal pipe are the same, the vertical pipe is connected to the horizontal pipe at the left side of the lower part, the bottom of the vertical pipe is provided with a valve cover, an installation hole is formed in the edge of the valve cover, the bottom of the vertical pipe is a flange plate, the flange plate is provided with an installation hole, the upper and lower installation holes correspond to each other, a connecting stud is inserted and connected in the upper and lower installation holes, the top and bottom ends of the connecting stud penetrate out of the installation hole, the outer walls of the top and bottom ends of the connecting stud are both threadedly connected with a nut two, the bottom of the upper nut two abuts against the top of the flange plate, and the top of the lower nut two abuts against the bottom of the valve cover, the top center of the valve cover is fixedly connected with an adjusting sleeve, the top of the adjusting sleeve is sleeved with the bottom of a screw rod, the bottom of the screw rod is smooth, the bottom of the screw rod abuts tightly against the inner wall of the sleeve, the screw rod extends upward to the inner side of the upper part of the tee pipe, the outer wall of the screw rod is slidably sleeved with a lower gland and an upper gland, the lower gland is located below the upper gland, and the outer filter cartridge is arranged between the opposite side walls of the lower gland and the upper gland, the caliber of the outer filter cartridge gradually increases from bottom to top, the top and bottom of the outer filter cartridge are respectively inserted with the bottom edge of the upper gland and the bottom edge of the lower gland, and the diameter of the lower gland is smaller than that of the upper gland; the inner wall of the outer filter cartridge is fixedly connected with a filter screen, the top of the upper gland is provided with a sealing limiting ring, the sealing limiting ring is fixedly connected with the upper inner wall of the tee pipe, the top outer edge of the upper gland abuts against the bottom of the sealing limiting ring, the top and bottom outer walls of the screw rod are both threadedly connected with a nut one, the bottom of the upper nut one abuts tightly against the top of the upper gland, and the top of the lower nut one abuts tightly against the bottom of the lower gland; the outer filter cartridge is a hole plate structure, and the filter screen is a fine filter screen structure.
[0007] The bottom of the valve cover is provided with a through hole, the through hole has a threaded plug therein, the through hole is threadedly connected with the threaded plug, the outer wall of the threaded plug is sleeved with a gasket, the threaded plug and the valve cover have the gasket therebetween, and the bottom of the valve cover is provided with a nameplate holder.
[0008] The utility model discloses the beneficial effect:
[0009] The filter cartridge adopts the detachable design, and subsequent cleaning, maintenance and replacement of the filter screen are facilitated, maintenance cost is reduced, and the reliability and service life of the equipment are improved. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is the structural schematic diagram of the utility model;
[0011] Figure 2 It is the structural schematic diagram of the outer filter cartridge of the utility model;
[0012] Figure 3 It is Figure 1 The bottom view of
[0013] In all drawings, the specific reference signs are as follows: 1, vertical pipe; 2, valve cover; 3, adjusting sleeve; 4, screw rod; 5, lower pressing cover; 6, upper pressing cover; 7, nut one; 8, outer filter cartridge; 9, filter screen; 10, sealing limiting ring; 11, mounting hole; 12, connecting stud; 13, nut two; 14, threaded plug; 15, gasket; 16, nameplate holder; 17, through hole; 18, horizontal pipe; 19, flange plate; 20, handle. DETAILED DESCRIPTION
[0014] As Figures 1-3As shown: a detachable T filter filter cartridge, comprising a tee, the tee is composed of a vertical pipe 1 and a horizontal pipe 18, the inner diameter of the vertical pipe 1 and the horizontal pipe 18 is same, the lower left side of the vertical pipe 1 is communicated with the horizontal pipe 18, the bottom of the vertical pipe 1 is provided with a valve cover 2, the edge of the valve cover 2 is provided with a mounting hole 11, the bottom of the vertical pipe 1 is a flange plate 19, the flange plate 19 is provided with a mounting hole 11, the upper and lower mounting holes 11 are corresponding, the upper and lower mounting holes 11 are inserted and connected with connecting studs 12, the top and bottom of the connecting studs 12 penetrates out of the mounting hole 11, the top and bottom of the connecting studs 12 are threadedly connected with nuts 13, the bottom of the upper nut 13 abuts against the top of the flange plate 19, the top of the lower nut 13 abuts against the bottom of the valve cover 2, the top of the valve cover 2 is fixedly connected with an adjusting sleeve 3, the top of the adjusting sleeve 3 is sleeved with the bottom of a screw rod 4, the bottom of the screw rod 4 is smooth, the bottom of the screw rod 4 abuts against the inner wall of the sleeve 3, the screw rod 4 extends upward to the inner side of the upper part of the vertical pipe 1, the outer wall of the screw rod 4 is slidably sleeved with a lower pressing cover 5 and an upper pressing cover 6, the lower pressing cover 5 is below the upper pressing cover 6, the lower pressing cover 5 and the upper pressing cover 6 have an outer filter cartridge 8 between the opposite side walls, the caliber of the outer filter cartridge 8 gradually increases from bottom to top, the top and bottom of the outer filter cartridge 8 are respectively inserted with the bottom edge of the upper pressing cover 6 and the bottom edge of the lower pressing cover 5, the diameter of the lower pressing cover 5 is smaller than that of the upper pressing cover 6; the inner wall of the outer filter cartridge 8 is fixedly connected with a filter screen 9, the top of the upper pressing cover 6 is provided with a sealing limiting ring 10, the sealing limiting ring 10 is fixedly connected with the upper inner wall of the vertical pipe 1, the top of the upper pressing cover 6 abuts against the bottom of the sealing limiting ring 10, the top and bottom of the screw rod 4 are threadedly connected with nuts 7, the bottom of the upper nut 7 abuts against the top of the upper pressing cover 6, the top of the lower nut 7 abuts against the bottom of the lower pressing cover 5; the outer filter cartridge 8 is a perforated plate structure, and the filter screen 9 is a fine filter screen structure.
[0015] The bottom of the valve cover 2 is provided with a through hole 17, the through hole 17 has a thread insert 14 therein, the through hole 17 is threadedly connected with the thread insert 14, the outer wall of the thread insert 14 is sleeved with a gasket 15, the thread insert 14 and the valve cover 2 have the gasket 15 therebetween, and the bottom of the valve cover 2 is provided with a nameplate holder 16. The flange plate 19 and the valve cover 2 have a sealing rubber pad therebetween.
[0016] The caliber of the outer filter cartridge 8 is greater than that of the filter screen 9. The sealing limiting ring 10 is made of elastic material and plays a sealing and supporting role.
[0017] The lower pressing cover 5, the outer filter cartridge 8 and the upper pressing cover 6 are sequentially sleeved on the screw rod 4, and it is ensured that the lower pressing cover 5 is below the upper pressing cover 6.
[0018] The outer filter cartridge 8 is placed between the lower pressing cover 5 and the upper pressing cover 6, the top and bottom of the outer filter cartridge 8 abut against the bottom of the upper pressing cover 6 and the bottom of the lower pressing cover 5 respectively, and the inner wall of the outer filter cartridge 8 is fixedly provided with the filter screen 9.
[0019] At the top and bottom of the screw rod 4, the nuts 7 are screwed respectively. By rotating the nuts 7, the bottom of the upper nut 7 is tightly pressed against the top of the upper cover 6, and the top of the lower nut 7 is tightly pressed against the bottom of the lower cover 5, so as to clamp the outer filter cartridge 8 and the filter screen 9. Then the screw rod 4 is inserted into the adjusting sleeve 3 and extends upward to the inner side of the upper part of the tee pipe 1.
[0020] The valve cover 2 is connected with the bottom of the tee pipe 1 through the mounting hole 11 and the connecting stud 12, and is fastened on both sides by the nuts 13, so as to ensure that the valve cover 2 is stably installed on the bottom of the tee pipe 1, and the top outer edge of the upper cover 6 abuts against the bottom of the sealing limiting ring 10.
[0021] Finally, the plug 14 is screwed on the bottom of the valve cover 2, and the gasket 15 is sleeved. The plug 14 can be unscrewed to discharge dirt.
[0022] Working process:
[0023] The handle 20 is fixedly connected to the bottom of the valve cover 2. When the fluid passes through the horizontal pipe 18, the fluid first enters the outer filter cartridge 8, is filtered by the filter screen 9, and then flows out of the vertical pipe 1. When the outer filter cartridge 8 needs to be replaced, the nuts 13 and the stud 12 are unscrewed, the valve cover 2 is separated from the vertical pipe 1 by pulling the handle 20, and thus the outer filter cartridge 8 can be taken out. When the vertical pipe 1 has dirt, the plug 14 can be unscrewed to discharge dirt.
Claims
1. A removable T-type filter cartridge, characterized by, The utility model relates to a three -way pipe, three -way pipe is by standpipe (1) and horizontal pipe (18) are formed, the inner diameter of standpipe (1) and horizontal pipe (18) is identical, and the lower left side communication horizontal pipe (18) in standpipe (1) is communicated, and the bottom of standpipe (1) has valve cover (2), and the edge of valve cover (2) is provided with mounting hole (11), and the bottom of standpipe (1) is flange plate (19), and flange plate (19) is provided with mounting hole (11), and the mounting hole (11) of up and down is corresponded, and the threaded stud (12) of two mounting holes (11) is inserted and is connected, and the top and bottom of threaded stud (12) are penetrated and come out mounting hole (11), and the top and bottom of threaded stud (12) are all threaded connection nut two (13) on the outer wall, and the bottom of upper nut two (13) abuts flange plate (19) top, and the top of lower nut two (13) abuts the bottom of valve cover (2), and the top of valve cover (2) is fixedly connected with adjusting sleeve (3), and the bottom of screw rod (4) is sleeved with adjusting sleeve (3) on the top of adjusting sleeve (3), and the bottom of screw rod (4) is smooth, and the bottom of screw rod (4) is tightly contacted with the inner wall of adjusting sleeve (3), and screw rod (4) extends to the inner side upper portion of standpipe (1) upward, and the outer wall of screw rod (4) is slidably sleeved with lower gland (5) and upper gland (6), and lower gland (5) is located below upper gland (6), and the opposite side wall between lower gland (5) and upper gland (6) has outer filter cylinder (8), and the caliber of outer filter cylinder (8) gradually increases from bottom to top, and the top and bottom of outer filter cylinder (8) are respectively inserted with the bottom edge of upper gland (6) and the bottom edge of lower gland (5), and the diameter of lower gland (5) is less than the diameter of upper gland (6);The inner wall of outer filter cylinder (8) is fixedly connected with filter screen (9), and the top of upper gland (6) has sealing limiting ring (10), and sealing limiting ring (10) is fixedly connected on the upper inner wall of standpipe (1), and the top of upper gland (6) is abutted with the bottom of sealing limiting ring (10) on the outer edge, and the top and bottom outer wall of screw rod (4) are all threaded connection nut one (7), and the bottom of upper nut one (7) is tightly contacted with the top of upper gland (6), and the top of lower nut one (7) is tightly contacted with the bottom of lower gland (5);Outer filter cylinder (8) is the aperture plate structure, and filter screen (9) is the fine filter screen structure.
2. A removable T-type filter cartridge according to claim 1, characterized in that The bottom of valve cover (2) is provided with through hole (17), and the through hole (17) has thread protector (14) in it, and the through hole (17) is threaded with thread protector (14), and the outer wall of thread protector (14) is sleeved with gasket (15), and there is gasket (15) between thread protector (14) and valve cover (2), and the bottom of valve cover (2) is provided with nameplate holder (16), and there is sealing rubber pad between flange plate (19) and valve cover (2).