Warm pass filtering valve convenient to replace

Abstract

The utility model relates to the technical field of warm pass filtering, and discloses a warm pass filtering valve convenient to replace, which comprises a warm pass filtering valve main pipeline, an auxiliary filtering pipeline is fixedly connected onto the warm pass filtering valve main pipeline, the auxiliary filtering pipeline is obliquely arranged, a filtering net cylinder is arranged in the auxiliary filtering pipeline, and the filtering net cylinder has certain toughness. Through simple rotation operation, a user can easily take out and replace the filter screen cylinder without a complicated and strenuous disassembly process, so that the maintenance efficiency and convenience are improved, and the situation that in a traditional mode, too much scale is accumulated on the filter screen cylinder, so that the lower end of the filter screen cylinder is clamped, and the filter screen cylinder is damaged is avoided. And according to the design, the filter screen cylinder can be taken out and replaced through simple rotating operation, the situation that the filter screen cylinder is not easy to replace due to blockage of the lower end of the filter screen cylinder is avoided, and the maintenance efficiency and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of warm-pass filtering, in particular to a warm-pass filtering valve which is easy to replace. Background Art

[0002] As people's living standards continue to improve, in order to make daily life more convenient and comfortable, almost every household is now equipped with HVAC equipment. In order to prevent impurities in the water from damaging the HVAC equipment, a filter valve is usually installed at the inlet of the HVAC equipment.

[0003] However, when the warm-pass filter valve is used for a long time and manual inspection and cleaning are not possible, too much scale will accumulate on the filter. The scale will be stuck between the filter cylinder and the pipe, increasing the friction and making it difficult to remove the filter cylinder. As a result, the lower end of the filter cylinder is stuck and difficult to remove, making filter cylinder replacement difficult and inefficient. Utility Model Content

[0004] (1) Technical problems solved

[0005] In response to the shortcomings of the existing technology, the utility model provides a warm-pass filter valve that is easy to replace, which can solve the problem that when the existing warm-pass filter valve is used for a long time and cannot be manually checked and cleaned frequently, too much scale accumulates on the filter screen, and the scale will be stuck between the filter screen cylinder and the pipe, which increases the friction and makes the filter screen cylinder unable to be easily removed, causing the lower end of the filter screen cylinder to be stuck and difficult to remove, making the filter screen cylinder difficult to replace and inefficient.

[0006] (2) Technical solution

[0007] To achieve the above-mentioned object, the present invention provides the following technical solutions: a warm-pass filter valve that is easy to replace, comprising a main pipe of the warm-pass filter valve, a secondary filter pipe fixedly connected to the main pipe of the warm-pass filter valve, the secondary filter pipe being arranged at an angle, a filter screen cartridge being arranged in the secondary filter pipe, the filter screen cartridge having a certain toughness, a disassembly and installation assembly being provided on the secondary filter pipe, the disassembly and installation assembly being used for disassembling and replacing the filter screen cartridge;

[0008] The disassembly and installation components include the main pipe of the warm filter valve, the auxiliary filter pipe, the fixing block, the filter screen cylinder, the fixing seat, the connecting rod, the connecting block, the movable groove, the filter screen pressing block, the limit card block, the sealing threaded cover and the screw;

[0009] The top of the filter screen cylinder in the disassembly and installation assembly is fixedly connected with a filter fixing ring, which is used to fix the filter screen cylinder. A filter gasket is provided between the filter fixing ring and the step at the opening of the auxiliary filter pipe. A fixing block is fixedly connected to the main pipe of the warm filter valve, which is used to support the lower end of the filter screen cylinder.

[0010] Preferably, a plurality of fixing seats are fixedly connected to the inner wall of the filter screen cylinder, the plurality of fixing seats are evenly arranged in a circular array, and a plurality of connecting rods are rotatably connected to corresponding fixing seats.

[0011] Preferably, the filter screen pressing block is arranged in the filter screen fixing ring, the screw is slidably connected in the filter screen pressing block, and the lower end of the screw is fixedly connected to the connecting block.

[0012] Preferably, a plurality of movable grooves are formed on the outer surface of the connecting block, and ends of the plurality of connecting rods away from the fixing seat are rotatably connected to the inner walls of the corresponding movable grooves.

[0013] Preferably, the sealing threaded cover is threadedly sleeved on the upper opening of the auxiliary filter pipe, a pressing boss is integrally formed in the sealing threaded cover, and a sealing gasket for sealing is provided between the pressing boss and the opening of the auxiliary filter pipe.

[0014] Preferably, the upper threaded sleeve of the screw is provided with a hand-tightening nut, and multiple limit blocks are fixedly connected to the upper surface of the filter pressing block. The multiple limit blocks are evenly arranged in a circular array, and the hand-tightening nut is rotatably connected between the multiple limit blocks.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the present invention provides a warm-pass filter valve that is easy to replace and has the following beneficial effects:

[0017] 1. The warm-pass filter valve, which is easy to replace, applies a gathering pulling force to the inner wall of the lower end of the filter cylinder through multiple connecting rods when the screw moves upward. At this time, the lower end of the filter cylinder will be driven to shrink by the connecting rod and the fixing seat. When the lower end of the filter cylinder shrinks, the filter cylinder can be easily taken out and replaced. Through a simple rotating operation, the user can easily remove and replace the filter cylinder without a complicated and laborious disassembly process, thereby improving the efficiency and convenience of maintenance and avoiding the problem of the lower end of the filter cylinder being stuck and difficult to remove due to excessive scale accumulation on the filter cylinder in the traditional method. The design can realize the removal and replacement of the filter cylinder through a simple rotating operation, avoiding the difficulty of replacement caused by blockage of the lower end of the filter cylinder, thereby improving the efficiency and convenience of maintenance.

[0018] 2. This easy-to-replace HVAC filter valve can effectively prevent problems such as pipe blockage or poor water flow caused by the accumulation of scale and impurities by regularly replacing the filter cartridge, thereby ensuring the stable operation of the entire HVAC system. The disassembly and installation components can make the replacement of the filter cartridge more convenient, thus greatly shortening the system downtime, which also reduces the impact on users' lives or production, thereby ensuring the stable operation of the entire HVAC system. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the connecting rod structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the connecting block structure of the utility model.

[0022] In the figure: 1. Main pipe of warm-pass filter valve; 2. Auxiliary filter pipe; 3. Fixing block; 4. Filter screen cylinder; 5. Fixing seat; 6. Connecting rod; 7. Connecting block; 8. Movable groove; 9. Filter screen fixing ring; 10. Filter screen pressing block; 11. Limiting block; 12. Tightening nut; 13. Sealing gasket; 14. Sealing threaded cover; 15. Pressing boss; 16. Screw; 17. Filter screen gasket. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0025] In the description of this utility model, greater than, less than, exceed, etc. are understood as not including the number itself, and above, below, within, etc. are understood as including the number itself. If there is a description of first or second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0026] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, and connecting should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0027] See also Figure 1-3The utility model provides a new technical solution: a warm-pass filter valve that is easy to replace, comprising a warm-pass filter valve main pipe 1, a secondary filter pipe 2 fixedly connected to the warm-pass filter valve main pipe 1, the secondary filter pipe 2 is arranged at an angle, a filter screen cartridge 4 is arranged in the secondary filter pipe 2, the filter screen cartridge 4 has a certain toughness, and a disassembly and installation assembly is provided on the secondary filter pipe 2, the disassembly and installation assembly is used for disassembly and replacement of the filter screen cartridge 4;

[0028] The disassembly and installation components include the warm filter valve main pipe 1, the auxiliary filter pipe 2, the fixing block 3, the filter screen cylinder 4, the fixing seat 5, the connecting rod 6, the connecting block 7, the movable groove 8, the filter screen pressing block 10, the limit block 11, the sealing threaded cover 14 and the screw 16;

[0029] The top of the filter screen cylinder 4 in the disassembly and installation assembly is fixedly connected with a filter screen fixing ring 9, which is used to fix the filter screen cylinder 4. A filter screen gasket 17 is provided between the filter screen fixing ring 9 and the step at the opening of the auxiliary filter pipe 2. A fixing block 3 is fixedly connected to the main pipe 1 of the warm filter valve, and the fixing block 3 is used to support the lower end of the filter screen cylinder 4.

[0030] Furthermore, a plurality of fixing seats 5 are fixedly connected to the inner wall of the filter screen cylinder 4 . The plurality of fixing seats 5 are evenly arranged in a circular array, and a plurality of connecting rods 6 are rotatably connected to the corresponding fixing seats 5 .

[0031] Furthermore, the filter pressing block 10 is arranged in the filter fixing ring 9 , the screw 16 is slidably connected in the filter pressing block 10 , and the lower end of the screw 16 is fixedly connected to the connecting block 7 .

[0032] Furthermore, a plurality of movable grooves 8 are formed on the outer surface of the connecting block 7 , and ends of the plurality of connecting rods 6 away from the fixing seat 5 are rotatably connected to the inner walls of the corresponding movable grooves 8 .

[0033] Furthermore, the sealing threaded cover 14 is threadedly sleeved on the upper opening of the auxiliary filter pipe 2 , and a clamping boss 15 is integrally formed in the sealing threaded cover 14 . A sealing gasket 13 for sealing is provided between the clamping boss 15 and the opening of the auxiliary filter pipe 2 .

[0034] Furthermore, a hand-tightening nut 12 is provided on the threaded sleeve at the upper end of the screw 16, and multiple limit blocks 11 are fixedly connected to the upper surface of the filter pressing block 10. The multiple limit blocks 11 are evenly arranged in a circular array, and the hand-tightening nut 12 is rotatably connected between the multiple limit blocks 11.

[0035] Furthermore, after the warm filter valve main pipe 1 has been used for a period of time, when more scale and impurities accumulate on the filter screen cartridge 4, the pressing boss 15 is unscrewed, and then the hand-tightening nut 12 is twisted. The rotating hand-tightening nut 12 can drive the screw 16 to move upward under the restriction of multiple limit blocks 11. The upward moving screw 16 will apply a gathering pulling force to the inner wall of the lower end of the filter screen cartridge 4 through multiple connecting rods 6. At this time, the lower end of the filter screen cartridge 4 will be driven to shrink by the connecting rod 6 and the fixing seat 5. When the lower end of the filter screen cartridge 4 shrinks, the filter can be The mesh cylinder 4 can be easily taken out and replaced. Through a simple rotating operation, the user can easily take out and replace the filter mesh cylinder 4 without a complicated and laborious disassembly process, thereby improving the efficiency and convenience of maintenance and avoiding the problem in the traditional method that the lower end of the filter mesh cylinder 4 is stuck and difficult to take out due to excessive scale accumulation on the filter mesh cylinder 4. This design can realize the removal and replacement of the filter mesh cylinder 4 through a simple rotating operation, avoiding the difficulty of replacement caused by the blockage of the lower end of the filter mesh cylinder 4, which improves the efficiency and convenience of maintenance.

[0036] Furthermore, the disassembly and installation components provided can make it easier to replace the filter cartridge 4, thereby greatly shortening the system's downtime, which also reduces the impact on user life or production, thereby ensuring the stable operation of the entire HVAC system.

[0037] Working principle: After the warm-pass filter valve main pipeline 1 has been used for a period of time, when a lot of scale and impurities accumulate on the filter screen cartridge 4, the clamping boss 15 is unscrewed and the hand-tightening nut 12 is twisted. The rotating hand-tightening nut 12 can drive the screw 16 to move upward under the restriction of multiple limit blocks 11. The upward-moving screw 16 will apply a gathering pulling force to the inner wall of the lower end of the filter screen cartridge 4 through multiple connecting rods 6. At this time, the lower end of the filter screen cartridge 4 will be driven to shrink by the connecting rod 6 and the fixing seat 5. When the lower end of the filter screen cartridge 4 shrinks, the filter screen cartridge 4 can be easily taken out and replaced.

[0038] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A warm-pass filter valve that is easy to replace, characterized by: The invention comprises a main pipe (1) of a warm-pass filter valve, a secondary filter pipe (2) fixedly connected to the main pipe (1) of the warm-pass filter valve, the secondary filter pipe (2) being arranged in an inclined manner, a filter screen cartridge (4) being arranged in the secondary filter pipe (2), the filter screen cartridge (4) having a certain toughness, and a disassembly and installation assembly being arranged on the secondary filter pipe (2), the disassembly and installation assembly being used for disassembly and replacement of the filter screen cartridge (4); The disassembly and installation assembly comprises a warm filter valve main pipe (1), an auxiliary filter pipe (2), a fixing block (3), a filter screen cylinder (4), a fixing seat (5), a connecting rod (6), a connecting block (7), a movable groove (8), a filter screen pressing block (10), a limit block (11), a sealing threaded cover (14) and a screw (16); The top of the filter screen cylinder (4) in the disassembly and installation assembly is fixedly connected with a filter screen fixing ring (9), the filter screen fixing ring (9) is used to fix the filter screen cylinder (4), a filter screen gasket (17) is provided between the filter screen fixing ring (9) and the step at the opening of the auxiliary filter pipe (2), and a fixing block (3) is fixedly connected in the main pipe (1) of the warm filter valve, and the fixing block (3) is used to support the lower end of the filter screen cylinder (4).

2. The easily replaceable warm-pass filter valve according to claim 1, characterized in that: The inner wall of the filter screen cylinder (4) is fixedly connected to a plurality of fixing seats (5), the plurality of fixing seats (5) are evenly arranged in a circular array, and the plurality of connecting rods (6) are rotatably connected to the corresponding fixing seats (5).

3. The easily replaceable warm-pass filter valve according to claim 1, characterized in that: The filter screen pressing block (10) is arranged in the filter screen fixing ring (9), the screw rod (16) is slidably connected in the filter screen pressing block (10), and the lower end of the screw rod (16) is fixedly connected to the connecting block (7).

4. The easily replaceable warm-pass filter valve according to claim 3, characterized in that: The outer surface of the connecting block (7) is provided with a plurality of movable grooves (8), and the ends of the plurality of connecting rods (6) away from the fixing seat (5) are all rotatably connected to the inner walls of the corresponding movable grooves (8).

5. The easily replaceable warm-pass filter valve according to claim 1, characterized in that: The sealing threaded cover (14) is threadedly sleeved on the upper opening of the auxiliary filter pipe (2), and a pressing boss (15) is integrally formed in the sealing threaded cover (14). A sealing gasket (13) for sealing is provided between the pressing boss (15) and the opening of the auxiliary filter pipe (2).

6. The easily replaceable warm-pass filter valve according to claim 1, characterized in that: The upper end thread sleeve of the screw rod (16) is provided with a hand-tightening nut (12), and a plurality of limiting blocks (11) are fixedly connected to the upper surface of the filter screen pressing block (10). The plurality of limiting blocks (11) are evenly arranged in a circular array, and the hand-tightening nut (12) is rotatably connected between the plurality of limiting blocks (11).

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