T-shaped filter

Abstract

The T-shaped filter comprises a pipe body, a water inlet, a water outlet and a replacement port, a filter element structure is inserted in the replacement port along the axial direction of an extension pipe, the side wall of the extension pipe extends outwards along the radial direction of the replacement port outside the replacement port to form a hinged lug seat, a hinged lug piece is hinged in the hinged lug seat, and the hinged lug piece is connected with the filter element structure. One end of the hinged lug piece is rotationally connected with the hinged lug base, the other end of the hinged lug piece is connected with a cover plate for opening and closing the replacement opening, and a handle is arranged on the side, away from the hinged lug piece, of the cover plate. The filter element structure which slides in the extension pipe in a vertical state is pulled out, the filter element structure can be replaced, and compared with a filter cartridge type filter element, the filter element structure is smaller in occupied space and more convenient to mount and dismount.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter structure, in particular to a kind of T-type filter. BACKGROUND

[0002] T-type filter is used in the process of pipeline fluid delivery, remove the impurities in pipeline accessory, fluid passes through filter, impurities in fluid are filtered out by filter core structure, protect the normal work of machine pump, compressor, instrument and other equipment.

[0003] In prior art, the Chinese utility model patent with application number "202221779355.1" discloses a kind of T-type filter, it is generally connected between pipeline and pipeline by flange, filter cartridge with circular cross-sectional shape is used to filter the fluid passing through, but in actual replacement process, impurities after filtration are easy to deposit in pipeline, it is difficult to clean, meanwhile, cover is heavy, once it is taken down from replacement position, it is more troublesome to reload, thus a kind of T-type filter with filter core installation and disassembly convenient is needed. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of T-type filter, with the advantages of installation and disassembly convenient.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a kind of T-type filter, including pipe body, water inlet, water outlet and replacement port, the water inlet is arranged in the axial side of pipe body, the water outlet is arranged in the axial other side of pipe body, the circumferential side wall of pipe body extends along the radial direction and forms extension pipe, one end of the extension pipe is communicated with the inside of pipe body, the replacement port is arranged in the other end of extension pipe, filter core structure is inserted in the replacement port along the axial direction of extension pipe, the outside of filter core structure is in abutment with the inner wall of pipe body and separates water inlet and water outlet, the side wall of extension pipe is outwardly extended along the radial direction of replacement port outside replacement port, hinged lug seat is formed, hinged lug piece is hinged in hinged lug seat, one end of hinged lug piece is rotatably connected with hinged lug seat, the other end of hinged lug piece is connected with the cover plate for opening and closing replacement port, screw post connecting structure is arranged between cover plate and replacement port, the side of cover plate close to hinged lug piece is provided with through hole, curved pipeline is connected on the through hole of cover plate, handle is arranged on the side of cover plate away from hinged lug piece.

[0006] Preferably, the threaded stud connection structure comprises a first flange, a second flange, a connecting hole, a connecting threaded stud and a connecting nut, the first flange is arranged on the outer side of the extension pipe and is concentric with the replacement opening, the second flange is arranged on the cover plate and cooperates with the first flange, the connecting hole is arranged at the corresponding positions of the first flange and the second flange, the connecting threaded stud is threadedly connected with the connecting nut at both ends in the length direction after passing through the connecting hole, and the connecting nut is arranged on the outer side of the first flange and the second flange.

[0007] By adopting the above technical scheme, the connecting threaded stud passes through the connecting holes on the first flange and the second flange in sequence, thereby achieving the locking between the cover plate and the replacement opening, and the connecting threaded stud and the connecting nut can be disassembled from both ends, so that the disassembly and assembly are more convenient.

[0008] Preferably, the rotation direction of the cover plate is perpendicular to the horizontal direction.

[0009] By adopting the above technical scheme, the cover plate can be easily opened by the maintainer from the horizontal direction.

[0010] Preferably, the center of the hinged lug seat and the center of the hinged lug are provided with a rotating hole in the height direction, the side surface of the hinged lug seat extends in the horizontal direction and is welded with the side wall of the first flange, the side surface of the hinged lug extends in the horizontal direction and is welded with the side wall of the second flange, the hinged lug is located on both sides of the hinged lug seat in the height direction, a rotating shaft is arranged in the rotating hole, and a pin shaft is arranged outside the hinged lug.

[0011] By adopting the above technical scheme, the rotating shaft serves as a rotating part for the hinged lug seat and the hinged lug, and the pin shaft serves as a locking part for the hinged lug seat and the hinged lug in the height direction.

[0012] Preferably, the handle is vertically arranged on the cover plate, the curved pipe is curved outward in the horizontal direction, and the outer side of the curved pipe is provided with a connecting flange.

[0013] By adopting the above technical scheme, the curved pipe and the handle are prevented from interfering with each other in position, and the maintainer can hold the handle conveniently.

[0014] Preferably, the top of the second flange is provided with an ear.

[0015] By adopting the above technical scheme, the cover plate can be hoisted conveniently during installation.

[0016] Preferably, the first flange and the second flange are provided with a sealing ring on the inner side of the connecting hole, and the sealing ring is concentric with the replacement opening.

[0017] By adopting the above technical scheme, the sealing ring serves to seal the cover plate and the replacement opening.

[0018] As preferred, the filter core structure comprises a front arc-shaped frame, a rear rectangular frame, an arc-shaped filter screen and a front end filter screen, an outer contour shape of a front end of the front arc-shaped frame is matched with an inner side wall of the pipe body, a rear end of the front arc-shaped frame is integrally formed with a front end of the rear rectangular frame, a rear end of the rear rectangular frame abuts against an inner side of the cover plate, two sides of the front end filter screen are connected with the front arc-shaped frame, a rear part of the front end filter screen is connected with a front part of the arc-shaped filter screen, and two sides of the arc-shaped filter screen are connected with the rear rectangular frame.

[0019] By adopting the technical scheme, the filter core structure is the structure of the arc-shaped filter screen and the front end filter screen arranged in a vertical state in the filter, which is convenient for connection with the front arc-shaped frame and the rear rectangular frame, can play a role in intercepting and filtering impurities in the fluid, and is convenient for installation and processing.

[0020] As preferred, a rear side of the rear rectangular frame is provided with a bottom plate matched with the extension pipe, the bottom plate is semicircular, a rear part of the arc-shaped filter screen is connected with a front end of the bottom plate, and a rear end of the bottom plate is provided with a handle.

[0021] By adopting the technical scheme, the bottom plate plays a role in connecting the arc-shaped filter screen, and the handle is convenient for pulling out the filter core structure from the extension pipe.

[0022] As preferred, an opening shape of the front end filter screen is semicircular, an opening shape of the arc-shaped filter screen is rectangular, the rear rectangular frame is provided with a limiting plate behind the bottom plate, and the limiting plate abuts against an inner side of the cover plate.

[0023] By adopting the technical scheme, the limiting plate abuts against the cover plate, and the rotation of the filter core structure in the tank body is limited.

[0024] In summary, in the maintenance process, the stud connection structure is opened, the locking between the cover plate and the replacement opening is released, the replacement opening is opened by rotating the cover plate in the horizontal direction, and then the filter core structure in the vertical state sliding in the extension pipe is pulled out, so that the replacement of the filter core structure is completed. Compared with the filter cartridge type filter core, the space occupied is smaller, the installation and disassembly are more convenient, and the impurities filtered fall in the boat type filter core structure, unlike the traditional circular filter core, the impurities filtered are deposited in the pipeline and are difficult to clean, so that the installation, cleaning and replacement are more simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 is a structure schematic view of the embodiment at the cover plate position;

[0026] Figure 2 is a cross-sectional schematic view of the embodiment in the horizontal direction;

[0027] Figure 3 is a cross-sectional schematic view of the embodiment in the vertical direction;

[0028] Figure 4 is a side view of the filter element structure of the embodiment;

[0029] Figure 5 2. It is a bottom view schematic diagram of the filter element structure of the embodiment;

[0030] In the figure, 1. pipe body; 11. water inlet; 12. water outlet; 2. extension pipe; 21. replacement port; 31. hinged ear seat; 32. hinged ear piece; 33. rotating hole; 34. rotating shaft; 35. pin; 4. cover plate; 41. through hole; 42. handle; 43. bent pipe; 44. connecting flange; 45. lifting ear; 51. first flange; 52. second flange; 53. connecting hole; 54. sealing ring; 55. connecting stud; 56. connecting nut; 61. front arc frame; 62. rear rectangular frame; 63. arc filter; 64. front filter; 65. bottom plate; 66. handle; 67. limit plate. DETAILED DESCRIPTION

[0031] The present invention will be described in further detail below with reference to the accompanying drawings.

[0032] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by patent law.

[0033] Example:

[0034] like Figures 1 to 5 As shown, a T-type filter includes a tube body 1, a water inlet 11, a water outlet 12 and a replacement port 21. The water inlet 11 is arranged on one axial side of the tube body 1, and the water outlet 12 is arranged on the other axial side of the tube body 1. The circumferential side wall of the tube body 1 extends radially outward to form an extension tube 2, that is, the extension tube 2 is connected to the side wall of the tank body by welding, and the extension tube 2 and the tube body 1 are interconnected. The replacement port 21 is arranged at the other end of the extension tube 2, and a filter element structure is inserted into the replacement port 21 along the axial direction of the extension tube 2. The front end of the filter element structure abuts against the inner wall of the tube body 1 and separates the water inlet 11 and the water outlet 12. That is, after the fluid enters the water inlet 11, it must pass through the filter element structure before leaving the tube body 1 from the water outlet 12.

[0035] like Figures 1 to 3 As shown, in order to connect the cover plate 4 and facilitate the connection of the cover plate 4, the cover plate 4 is connected to the replacement port 21 position through a hinge structure, and the rotation direction of the cover plate 4 is perpendicular to the horizontal direction, thereby opening and closing the replacement port 21. At the same time, the cover plate 4 is detachably fixed to the replacement port 21 position through a stud connection structure.

[0036] The hinge structure is that the side wall of the extension pipe 2 has a hinge lug 31 extending radially outward of the replacement opening 21 outside the replacement opening 21, the hinge lug 31 has a hinge lug plate 32 hinged therein, one end of the hinge lug plate 32 is rotationally connected with the hinge lug 31, the cover plate 4 is welded and fixed with the other end of the hinge lug plate 32, the center of the hinge lug 31 and the center of the hinge lug plate 32 are provided with a rotation hole 33 in the height direction, the side of the hinge lug 31 extends in the horizontal direction and is welded with the side wall of the first flange 51, the side of the hinge lug plate 32 extends in the horizontal direction and is welded with the side wall of the second flange 52, the hinge lug plate 32 is located on both sides of the hinge lug 31 in the height direction, the rotation hole 33 is provided with a rotating shaft 34, the rotating shaft 34 is provided with a pin shaft 35 outside the hinge lug plate 32, the upper and lower parts of the rotating shaft 34 are provided with pin holes, and the pin shaft 35 is matched with the pin holes to limit the disconnection of the hinge lug 31 and the hinge lug plate 32.

[0037] As shown in Figure 2 and Figure 3 , the cover plate 4 is provided with a through hole 41 on the side close to the hinge lug plate 32, the cover plate 4 is connected with a curved pipe 43 on the through hole 41, the curved pipe 43 is curved outward in the horizontal direction, and the outer side of the curved pipe 43 is provided with a connecting flange 44, and the side of the cover plate 4 away from the hinge lug plate 32 is provided with a handle 42 which is vertically arranged on the cover plate 4.

[0038] As shown in Figures 1 to 3 , the cover plate 4 and the replacement opening 21 are provided with a stud connection structure, which specifically includes a first flange 51, a second flange 52, a connecting hole 53, a connecting stud 55 and a connecting nut 56, the first flange 51 is arranged on the outer side of the extension pipe 2 and is arranged concentrically with the replacement opening 21, the second flange 52 is arranged on the cover plate 4 and cooperates with the first flange 51, in order to improve the sealing effect, the first flange 51 and the second flange 52 are provided with a sealing ring 54 on the inner side of the connecting hole 53, the sealing ring 54 is arranged concentrically with the replacement opening 21, and the top of the second flange 52 is provided with a lifting lug 45, the connecting hole 53 is arranged at the corresponding position of the first flange 51 and the second flange 52, the connecting stud 55 is threadedly connected with the connecting nut 56 at both ends in the length direction after penetrating through the connecting hole 53, and the connecting nut 56 is arranged on the outer side of the first flange 51 and the second flange 52, through the cooperation of the connecting nut 56 and the connecting stud 55, the first flange 51 and the second flange 52 are quickly fixed.

[0039] As shown in Figures 2 to 5As shown, the filter core structure is inserted into the pipe body 1 vertically for convenience and speed, and the filter core structure includes a front arc-shaped frame 61, a rear rectangular frame 62, an arc-shaped filter screen 63, and a front end filter screen 64. The opening shape of the front end filter screen 64 is semicircular. The outer contour shape of the front end of the front arc-shaped frame 61 matches the inner side wall of the pipe body 1. The rear end of the front arc-shaped frame 61 is integrally formed with the front end of the rear rectangular frame 62. The rear end of the rear rectangular frame 62 abuts the inner side of the cover plate 4. The two sides of the front end filter screen 64 are connected with the front arc-shaped frame 61. The rear part of the front end filter screen 64 is connected or integrally formed with the front part of the arc-shaped filter screen 63. The opening shape of the arc-shaped filter screen 63 is rectangular. The two sides of the arc-shaped filter screen 63 are connected with the rear rectangular frame 62. Meanwhile, the rear side of the rear rectangular frame 62 is provided with a bottom plate 65 matched with the extension pipe 2. The bottom plate 65 is semicircular. The rear part of the arc-shaped filter screen 63 is connected with the front end of the bottom plate 65.

[0040] As shown, Figures 3 to 5 In order to facilitate the extraction of the filter core structure from the extension pipe 2, the rear end of the bottom plate 65 is provided with a handle 66. In order to avoid the collision between the handle 66 and the cover plate 4, the rear rectangular frame 62 is provided with a limiting plate 67 behind the bottom plate 65. The limiting plate 67 covers the handle 66 in the orthographic projection direction. The limiting plate 67 abuts the inner side of the cover plate 4.

[0041] Working principle:

[0042] During the replacement process, the connecting nut 56 is rotated to remove the stud from the connecting hole 53, thereby releasing the locking between the cover plate 4 and the replacement opening 21. The handle 42 is held and rotated outward in the horizontal direction to rotate the cover plate 4, thereby opening the replacement opening 21. Then the filter core structure in the vertical state is extracted through the handle 66, and the replacement is completed. Meanwhile, during the working process, the fluid enters from the water inlet 11, passes through the arc-shaped filter screen 63 and the front end filter screen 64, and finally exits from the water outlet 12 of the filter.

Claims

1. A T-type filter, comprising a tube body (1), a water inlet (11), a water outlet (12) and a replacement port (21), characterized in that: The water inlet (11) is arranged on one side of the axial direction of the tube body (1), and the water outlet (12) is arranged on the other side of the axial direction of the tube body (1). The circumferential side wall of the tube body (1) extends radially outward to form an extension tube (2). One end of the extension tube (2) is communicated with the interior of the tube body (1). The replacement port (21) is arranged at the other end of the extension tube (2). A filter element structure is inserted into the replacement port (21) along the axial direction of the extension tube (2). The outer side of the filter element structure abuts against the inner wall of the tube body (1) and separates the water inlet (11) and the water outlet (12). The side wall of the extension tube (2) is arranged outside the replacement port (21) along the axial direction of the replacement port (21). A hinged ear seat (31) extends outward, a hinged ear piece (32) is hinged in the hinged ear seat (31), one end of the hinged ear piece (32) is rotatably connected to the hinged ear seat (31), the other end of the hinged ear piece (32) is connected to a cover plate (4) for opening and closing the replacement port (21), a stud connection structure is provided between the cover plate (4) and the replacement port (21), a through hole (41) is provided on the side of the cover plate (4) close to the hinged ear piece (32), a curved pipe (43) is connected to the through hole (41), and a handle (42) is provided on the side of the cover plate (4) away from the hinged ear piece (32).

2. The T-type filter according to claim 1, characterized in that: The stud connection structure comprises a first flange (51), a second flange (52), a connecting hole (53), a connecting stud (55) and a connecting nut (56); the first flange (51) is arranged on the outside of the extension tube (2) and is concentric with the replacement port (21); the second flange (52) is arranged on the cover plate (4) and cooperates with the first flange (51); the connecting hole (53) is arranged at corresponding positions of the first flange (51) and the second flange (52); after the connecting stud (55) passes through the connecting hole (53), both ends of the length direction are threadedly connected to the connecting nut (56); and the connecting nut (56) is arranged on the outside of the first flange (51) and the second flange (52).

3. The T-type filter according to claim 2, characterized in that: The rotation direction of the cover plate (4) is perpendicular to the horizontal direction.

4. The T-type filter according to claim 3, characterized in that: A rotation hole (33) is provided through the center of the hinged ear seat (31) and the center of the hinged ear piece (32) in the height direction. The side surface of the hinged ear seat (31) extends in the horizontal direction and is welded to the side wall of the first flange (51). The side surface of the hinged ear piece (32) extends in the horizontal direction and is welded to the side wall of the second flange (52). The hinged ear pieces (32) are respectively located on both sides of the hinged ear seat (31) in the height direction. A rotation shaft (34) is provided through the rotation hole (33). The rotation shaft (34) is provided with a pin shaft (35) outside the hinged ear piece (32).

5. The T-type filter according to claim 1, characterized in that: The handle (42) is vertically arranged on the cover plate (4), the curved pipe (43) is bent outward in a horizontal direction, and a connecting flange (44) is arranged on the outer side of the curved pipe (43).

6. The T-type filter according to claim 2, characterized in that: A lifting lug (45) is provided on the top of the second flange (52).

7. The T-type filter according to claim 2, characterized in that: The first flange (51) and the second flange (52) are provided with sealing rings (54) on the inner sides of the connecting holes (53), and the sealing rings (54) are arranged concentrically with the replacement port (21).

8. The T-type filter according to claim 2, characterized in that: The filter element structure comprises a front arc-shaped frame (61), a rear rectangular frame (62), an arc-shaped filter screen (63) and a front-end filter screen (64); the outer contour of the front end of the front arc-shaped frame (61) matches the inner side wall of the tube body (1); the rear end of the front arc-shaped frame (61) and the front end of the rear rectangular frame (62) are integrally formed; the rear end of the rear rectangular frame (62) abuts against the inner side of the cover plate (4); both sides of the front-end filter screen (64) are connected to the front arc-shaped frame (61); the rear part of the front-end filter screen (64) is connected to the front part of the arc-shaped filter screen (63); and both sides of the arc-shaped filter screen (63) are connected to the rear rectangular frame (62).

9. The T-type filter according to claim 8, characterized in that: The rear side of the rear rectangular frame (62) is provided with a bottom plate (65) that cooperates with the extension tube (2), and the bottom plate (65) is semicircular. The rear part of the arc-shaped filter (63) is connected to the front end of the bottom plate (65), and the rear end of the bottom plate (65) is provided with a handle (66).

10. The T-type filter according to claim 9, characterized in that: The opening shape of the front filter (64) is semicircular, the opening shape of the arc filter (63) is rectangular, and the rear rectangular frame (62) is provided with a limiting plate (67) behind the bottom plate (65), and the limiting plate (67) abuts against the inner side of the cover plate (4).

Images