Reverse baffling type T-shaped filter

Abstract

A filtering frame comprises a limiting plate, side inclined filtering plates, a bottom inclined filtering plate and a final filtering plate, the side inclined filtering plates are arranged on the two sides of the bottom inclined filtering plate in the width direction, one end of each side inclined filtering plate in the length direction is connected with one end of the bottom inclined filtering plate, and the other end of each side inclined filtering plate in the length direction is connected with the final filtering plate. The other end of the side inclined filter plate in the length direction is connected with a limiting plate, the side inclined filter plate and the bottom inclined filter plate are triangular, an upper reinforcing structure is formed between the upper part of the final filter plate and the side inclined filter plate, and a lower reinforcing structure is formed between the lower part of the final filter plate and the bottom inclined filter plate. Through inertial collision and direction change, impurities are settled in the filter frame, finally liquid leaves the liquid outlet through the final filter plate, the impurities are accumulated in the filter frame, the filter frame is taken out through the access hole, cleaning is convenient, and meanwhile the upper reinforcing structure and the lower reinforcing structure play a role in reinforcing the overall structural strength of the filter frame.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter mechanism especially relates to a kind of reverse folding flow type T filter. BACKGROUND

[0002] Reverse folding flow filter is a kind of high-efficiency fluid processing filter device, which changes the flow trajectory of entering liquid, and further improves the separation efficiency of impurities and liquid, the device uses unique flow guide structure, so that the liquid to be filtered forms multiple fluid direction changes in the filter, under the inertial effect of fluid flow, suspended particles are separated from fluid due to kinetic energy difference and sedimentation, compared with traditional filter, its filtering performance is higher.

[0003] In the prior art, the Chinese utility model patent with application number "CN202123443057.3" discloses a kind of reverse folding flow type T filter, which changes the flow direction of built-in circular filter cartridge, and further tests the function of reverse folding flow, but impurities are excluded around filter cartridge, it is difficult to clean the whole filter cartridge, meanwhile, the top of filter cartridge side bears high impact force, and the overall structural strength is low. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a kind of reverse folding flow type T filter, with the advantages of convenient cleaning and structure reinforcement.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of reverse folding flow type T filter, including pipe body, one end of the pipe body is outlet, the other end of the pipe body is access hole, the top of the pipe body is provided with inlet, the access hole is provided with valve cover, the filter cavity is provided in the pipe body, the filter frame is provided in the filter, the filter frame includes limiting plate, side inclined filter plate, bottom inclined filter plate and final filter plate, the outlet is provided with the locating ring matched with final filter plate, the upper part of final filter plate is distributed with filter hole, the one end of bottom inclined filter plate length direction is connected with the middle part of final filter plate, the other end of bottom inclined filter plate length direction is inclined downward and is connected with the lower part of limiting plate, side inclined filter plate is arranged at the both sides of bottom inclined filter plate width direction, the one end of side inclined filter plate length direction is connected with the one end of bottom inclined filter plate, the other end of side inclined filter plate length direction is connected with limiting plate, side inclined filter plate and bottom inclined filter plate are triangle, the upper part of final filter plate and side inclined filter plate form upper reinforcement structure, the lower part of final filter plate and bottom inclined filter plate form lower reinforcement structure.

[0006] As preferred, the lowest point of the bottom inclined filter plate is located directly below the inlet, the longitudinal section shape of the limiting plate is semicircular, and the top of the limiting plate is flush with the two sides of the adjacent side inclined filter plate.

[0007] By adopting the above technical solution, the combination of bottom-inclined filter plate and side-inclined filter plate can uniformly disperse the fluid, improve the sedimentation effect of impurities, and reduce the impact at this location.

[0008] Preferably, the pipe body is provided with a first flange at the inspection port position, the valve cover is provided with a flange hole in the circumferential direction that mates with the first flange, and a connecting bolt is provided between the first flange and the flange hole.

[0009] By adopting the above technical solution, the connecting bolts achieve a detachable connection, making maintenance more convenient, improving sealing performance, and facilitating the removal of the filter frame.

[0010] Preferably, a first handle is provided at the center of the outward end of the valve cover, and a second handle is provided at the outward end of the limiting plate, with the second handle abutting against the inner side of the valve cover.

[0011] By adopting the above technical solution, the second handle, through its contact with the inside of the valve cover, plays an axial limiting role in the filter frame.

[0012] Preferably, the filter frame has a rectangular hole at its center, a sealing frame is formed on the edge of the rectangular hole, one end of the bottom inclined filter plate is connected to one end of the rectangular hole, the side of the side inclined filter plate is connected to the side of the rectangular hole, and the limiting plate is connected to the other end of the rectangular hole.

[0013] By adopting the above technical solution, the sealing frame plays a sealing role, and at the same time, the sealing frame is also the welding connection position between the bottom inclined filter plate and the side inclined filter plate.

[0014] Preferably, the lower part of the final filter plate is provided with a semi-circular hole, the circumferential sidewall of the final filter plate extends axially to form a fixing ring, the outer circumferential sidewall of the positioning ring abuts against the inner wall of the liquid inlet, and the end of the positioning ring is recessed axially to form a fixing groove that cooperates with the fixing ring, the cross-sectional shape of the fixing groove is circular.

[0015] By adopting the above technical solution, the semi-circular hole increases the flow rate, thereby improving the filtration effect, and the fixing groove plays a role in positioning and installing the filter frame.

[0016] Preferably, the upper reinforcing structure includes an upper connecting rod, with two upper connecting rods symmetrically arranged above the sealing frame. One end of the upper connecting rod along its length is connected to the center of the top of the fixing ring, and the other end of the upper connecting rod along its length is connected to the middle section along the length of the sealing frame.

[0017] By adopting the above technical solution, the two sides of the impact position are reinforced, which improves the overall structural strength and impact resistance, while ensuring sealing performance and reducing deformation on both sides.

[0018] As preferred, the lower reinforcing structure comprises a lower connecting rod, one end of the length direction of the lower connecting rod is connected with the center of the bottom of the fixing ring, and the other end of the length direction of the lower connecting rod is connected with the middle of the bottom of the bottom inclined plate.

[0019] By adopting the above technical scheme, the support performance of the bottom is improved, and the connection and support effect is improved.

[0020] As preferred, the end of the sealing frame is provided with a sealing groove matched with the final filter plate, the sealing frame is provided with a sealing block on both sides in the width direction of the sealing groove, and the sealing block is matched with the end of the positioning ring.

[0021] By adopting the above technical scheme, the overall positioning accuracy and sealing performance are improved, and the sealing block avoids leakage at the position of the positioning ring when the filter frame is connected.

[0022] As preferred, the surfaces of the side inclined filter plate and the bottom inclined filter plate are planes, the pipe body is provided with a second flange at the position of the liquid inlet, and the pipe body is provided with a third flange at the position of the liquid outlet.

[0023] By adopting the above technical scheme, the planar side inclined filter plate and the bottom inclined filter plate are convenient to install and punch.

[0024] As above, the fluid enters the filter cavity through the liquid inlet at the top of the pipe body, and then impacts on the bottom inclined filter plate. The side inclined filter plates on both sides play a buffering role, forming a triangular flow guide channel with a deep bottom. Through inertial impact and change of direction, impurities are settled in the filter frame. Finally, the liquid passes through the final filter plate and leaves the liquid outlet, completing the filtration. In this process, impurities are accumulated in the filter frame, and the filter frame is taken out through the inspection opening for convenient cleaning. At the same time, the upper reinforcing structure and the lower reinforcing structure play a role in reinforcing the overall structural strength of the filter frame. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a cross-sectional schematic view of the embodiment;

[0026] Figure 2 is a structural schematic view of the filter frame of the embodiment;

[0027] Figure 3 is Figure 2 is an enlarged schematic view of part A shown in the figure;

[0028] Figure 4 is a cross-sectional schematic view of the filter frame of the embodiment;

[0029] In the figure, 1, pipe body; 11, liquid outlet; 111, third flange; 12, liquid inlet; 121, second flange; 13, access hole; 14, valve cover; 141, first handle; 142, flange hole; 143, connecting bolt; 15, first flange; 2, filter frame; 21, rectangular hole; 22, sealing frame; 221, sealing groove; 222, sealing block; 23, limiting plate; 231, second handle; 24, side inclined filter plate; 25, bottom inclined filter plate; 3, positioning ring; 31, fixing groove; 32, final filter plate; 33, filter hole; 34, semicircular hole; 35, fixing ring; 4, upper connecting rod; 5, lower connecting rod. DETAILED DESCRIPTION

[0030] The utility model will be explained further in detail below in combination with the drawings.

[0031] The specific embodiment is only the explanation of the utility model, and it is not the limitation of the utility model, and the person skilled in the art can make the modification of no creative contribution according to the need after reading the present specification, but as long as in the utility model's right claim range all receive the patent law's protection.

[0032] Embodiment:

[0033] As Figures 1 to 4 shown, a kind of anti-folding flow T-type filter, including pipe body 1, pipe body 1 is T-type, the left end of pipe body 1 is liquid outlet 11, the right end of pipe body 1 is access hole 13, access hole 13 is placed for filter frame 2 to take out, the top of pipe body 1 is provided with liquid inlet 12, pipe body 1 is provided with first flange 15 in access hole 13 position, first flange 15 is connected with valve cover 14 by connecting bolt 143, the circumference of valve cover 14 is provided with flange hole 142 corresponding with first flange 15, pipe body 1 is provided with third flange 111 in liquid outlet 11 position, pipe body 1 is provided with second flange 121 in liquid inlet 12 position.

[0034] As Figure 1 and Figure 2As shown, the filter cavity is formed in the pipe body 1, the filter frame 2 is arranged in the pipe body 1, the filter frame 2 comprises a limiting plate 23, a side inclined filter plate 24, a bottom inclined filter plate 25 and a final filter plate 32, the surfaces of the side inclined filter plate 24 and the bottom inclined filter plate 25 are planes, the surfaces of the side inclined filter plate 24 and the bottom inclined filter plate 25 are distributed with filter holes, the liquid outlet 11 is provided with a positioning ring 3 matched with the final filter plate 32, the upper part of the final filter plate 32 is distributed with filter holes 33, one end of the bottom inclined filter plate 25 in the length direction is connected with the middle part of the final filter plate 32, the other end of the bottom inclined filter plate 25 in the length direction is inclined downward and connected with the lower part of the limiting plate 23, the side inclined filter plate 24 is arranged on both sides of the bottom inclined filter plate 25 in the width direction, one end of the side inclined filter plate 24 in the length direction is connected with one end of the bottom inclined filter plate 25, the other end of the side inclined filter plate 24 in the length direction is connected with the limiting plate 23, the side inclined filter plate 24 and the bottom inclined filter plate 25 form a triangle, more specifically, a rectangular hole 21 is arranged at the center of the filter frame 2, the filter frame 2 is formed with a sealing frame 22 at the edge of the rectangular hole 21, one end of the bottom inclined filter plate 25 is connected with one end of the rectangular hole 21, the side of the side inclined filter plate 24 is connected with the side of the rectangular hole 21, the longitudinal section of the limiting plate 23 is semicircular, the limiting plate 23 is connected with the other end of the rectangular hole 21, so that the lowest point of the bottom inclined filter plate 25 is located directly below the liquid inlet 12, thereby forming a triangular buffer structure, the two sides of the adjacent side inclined filter plate 24 are flush with the top of the limiting plate 23.

[0035] In order to facilitate the extraction of the filter frame 2 from the access hole 13, and at the same time, the filter frame 2 needs to be positioned and fixed during use, a first handle 141 is arranged at the center of the outer end of the valve cover 14, a second handle 231 is arranged at the outer end of the limiting plate 23 on the right side of the filter frame 2, the second handle 231 abuts against the inner side of the valve cover 14, a semicircular hole 34 is arranged at the lower part of the final filter plate 32 on the left side of the filter frame 2, a fixing ring 35 is formed on the circumferential side wall of the final filter plate 32 along the axial direction, the outer circumferential side wall of the positioning ring 3 abuts against the inner wall of the liquid inlet 12, the end of the positioning ring 3 is recessed along the axial direction to form a fixing groove 31 matched with the fixing ring 35, the cross section of the fixing groove 31 is circular, and the left side of the filter frame 2 is fixed through the fixing groove 31.

[0036] As shown, Figure 3 In order to avoid leakage of fluid between the final filter plate 32 and the limiting plate 23, the end of the sealing frame 22 is provided with a sealing groove 221 matched with the final filter plate 32, the sealing frame 22 is provided with a sealing block 222 on both sides of the sealing groove 221 in the width direction, and the sealing block 222 is matched with the end of the positioning ring 3.

[0037] As shown, Figure 2 and Figure 4As shown, in order to strengthen the structure of the filter frame 2, the upper part of the terminal filter plate 32 and the side inclined filter plate 24 form an upper reinforcing structure, and the lower part of the terminal filter plate 32 and the bottom inclined filter plate 25 form a lower reinforcing structure; wherein the upper reinforcing structure comprises an upper connecting rod 4, the upper connecting rod 4 is provided with two and is symmetrical above the sealing frame 22, one end of the length direction of the upper connecting rod 4 is connected with the center of the top of the fixed ring 35, and the other end of the length direction of the upper connecting rod 4 is connected with the middle segment of the length direction of the sealing frame 22; the lower reinforcing structure comprises a lower connecting rod 5, one end of the length direction of the lower connecting rod 5 is welded and fixed with the center of the bottom of the fixed ring 35, and the other end of the length direction of the lower connecting rod 5 is welded and fixed with the middle part of the bottom of the bottom inclined plate.

[0038] Working principle:

[0039] Fluid enters the filter cavity through the liquid inlet 12 at the top of the pipe body 1, impacts the position of the bottom inclined filter plate 25 directly below the liquid inlet 12, and the side inclined filter plates 24 on both sides play a buffering role. At the same time, the three filter plates form a triangular flow channel with a deep bottom, which changes the direction through inertial collision and makes impurities settle in the filter frame 2. The filtered fluid leaves the liquid outlet 11 through the terminal filter plate 32, and the impurities are trapped above the bottom inclined filter plate 25. By opening the access hole 13, the filter frame 2 can be pulled out through the second handle 231, and the cleaning is completed.

Claims

1. A reverse-flow T-type filter, comprising a tube body (1), one end of the tube body (1) being an outlet (11), the other end of the tube body (1) being an inspection port (13), and an inlet (12) being provided at the top of the tube body (1), characterized in that: A valve cover (14) is provided on the inspection port (13). A filter chamber is provided inside the pipe body (1). A filter frame (2) is provided inside the filter chamber. The filter frame (2) includes a limiting plate (23), a side-inclined filter plate (24), a bottom-inclined filter plate (25), and a final filter plate (32). A positioning ring (3) that cooperates with the final filter plate (32) is provided inside the liquid outlet (11). Filter holes (33) are arranged on the upper part of the final filter plate (32). One end of the bottom-inclined filter plate (25) in the length direction is connected to the middle part of the final filter plate (32). The other end of the bottom-inclined filter plate (25) in the length direction is inclined. The side-inclined filter plate (24) is disposed on both sides of the bottom-inclined filter plate (25) in the width direction and connected to the lower part of the limiting plate (23) in the downward direction. One end of the side-inclined filter plate (24) in the length direction is connected to one end of the bottom-inclined filter plate (25), and the other end of the side-inclined filter plate (24) in the length direction is connected to the limiting plate (23). The side-inclined filter plate (24) and the bottom-inclined filter plate (25) form a triangle. The upper part of the final filter plate (32) and the side-inclined filter plate (24) form an upper reinforcing structure, and the lower part of the final filter plate (32) and the bottom-inclined filter plate (25) form a lower reinforcing structure.

2. The reverse baffle T-type filter according to claim 1, characterized in that: The lowest point of the bottom inclined filter plate (25) is located directly below the liquid inlet (12), and the longitudinal section of the limiting plate (23) is semi-circular. The two sides of the adjacent side inclined filter plate (24) are flush with the top of the limiting plate (23).

3. The reverse baffle T-type filter according to claim 2, characterized in that: The pipe body (1) is provided with a first flange (15) at the inspection port (13) position, and the valve cover (14) is provided with a flange hole (142) in the circumferential direction to cooperate with the first flange (15). A connecting bolt (143) is provided between the first flange (15) and the flange hole (142).

4. The reverse baffle T-type filter according to claim 3, characterized in that: A first handle (141) is provided at the center of the outward end of the valve cover (14), and a second handle (231) is provided at the outward end of the limiting plate (23). The second handle (231) abuts against the inner side of the valve cover (14).

5. The reverse baffle T-type filter according to claim 1, characterized in that: The filter frame (2) has a rectangular hole (21) at its center. A sealing frame (22) is formed on the edge of the rectangular hole (21) of the filter frame (2). One end of the bottom inclined filter plate (25) is connected to one end of the rectangular hole (21). The side of the side inclined filter plate (24) is connected to the side of the rectangular hole (21). The limiting plate (23) is connected to the other end of the rectangular hole (21).

6. The reverse baffle T-type filter according to claim 5, characterized in that: The lower part of the final filter plate (32) is provided with a semi-circular hole (34). The circumferential sidewall of the final filter plate (32) extends axially to form a fixing ring (35). The outer circumferential sidewall of the positioning ring (3) abuts against the inner wall of the liquid inlet (12). The end of the positioning ring (3) is recessed axially to form a fixing groove (31) that cooperates with the fixing ring (35). The cross-sectional shape of the fixing groove (31) is circular.

7. The reverse baffle T-type filter according to claim 6, characterized in that: The upper reinforcement structure includes an upper connecting rod (4). Two upper connecting rods (4) are symmetrically arranged above the sealing frame (22). One end of the upper connecting rod (4) in the length direction is connected to the center of the top of the fixing ring (35), and the other end of the upper connecting rod (4) in the length direction is connected to the middle section of the sealing frame (22) in the length direction.

8. The reverse baffle T-type filter according to claim 6, characterized in that: The lower reinforcement structure includes a lower connecting rod (5), one end of the lower connecting rod (5) in the length direction is connected to the center of the bottom of the fixing ring (35), and the other end of the lower connecting rod (5) in the length direction is connected to the middle of the bottom of the bottom inclined plate.

9. The reverse baffle T-type filter according to claim 8, characterized in that: The sealing frame (22) has a sealing groove (221) at its end that cooperates with the final filter plate (32). The sealing frame (22) has sealing blocks (222) on both sides of the sealing groove (221) in the width direction. The sealing blocks (222) cooperate with the end of the positioning ring (3).

10. The reverse baffle T-type filter according to claim 9, characterized in that: The surfaces of the side-inclined filter plate (24) and the bottom-inclined filter plate (25) are flat. The pipe body (1) is provided with a second flange (121) at the liquid inlet (12) and a third flange (111) at the liquid outlet (11).

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