Horizontal precise filter element type filter

Abstract

The utility model discloses a horizontal precise filter element type filter, which relates to a filter structure, a front end mounting plate is arranged between a mounting cavity and a water inlet cavity in the height direction, a rear end mounting plate is arranged between the water inlet cavity and a water outlet cavity in the height direction, and the front end mounting plate is provided with a mounting hole for a filter element to insert and a water inlet hole for liquid to pass through. A filter screen is arranged on one side of the front-end mounting plate, the mounting hole extends in the axial direction to form a mounting sleeve, a mounting hole allowing the mounting sleeve to penetrate through is formed in the filter screen, and a locking nut is in threaded connection with the mounting sleeve. The front-end mounting plate and the rear-end mounting plate have the advantages of supporting the filter element and facilitating impurity removal, and meanwhile, the front-end mounting plate and the rear-end mounting plate are matched with the filter screen, so that a multi-filtering effect is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to filter structure, in particular to a horizontal precision filter element type filter. BACKGROUND

[0002] Horizontal filter includes casing and filter element device, and inlet and outlet are arranged at the top and bottom of horizontal casing respectively, and the filter element is an important component of the horizontal filter, and the filter element mainly plays a filtering role, and the filter element is mainly used in oil filtering, water filtering and air filtering industries, and is used for removing a small amount of impurities in the filtering medium to ensure the normal operation of subsequent equipment or the cleanliness of fluid.

[0003] In the prior art, the patent for invention with the authorization publication number CN105582733A discloses a horizontal filter, which filters fluid through the filter element arranged in the interior, but in the filter with water inlet at the top, one side of the filter element is supported by the support, and the other side of the filter element is suspended, the stress of the long connection position of the filter element is too large, the filter element is fixed by the support on one side, which will cause the impurities in the liquid inlet cavity to deposit on the side of the support of the cylinder, and it is difficult to remove the impurities, therefore, the filter structure needs to support both ends of the filter element and retain the impurities in the liquid inlet cavity to facilitate the removal of the impurities. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a horizontal precision filter element type filter, which has the advantages of supporting the filter element, multiple filtering and convenient impurity removal.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: a horizontal precision filter element type filter, which comprises a horizontally arranged cylinder, an installation cavity, a water inlet cavity and a water outlet cavity are arranged in the cylinder along the length direction, a front end mounting plate is arranged between the installation cavity and the water inlet cavity in the height direction, a rear end mounting plate is arranged between the water inlet cavity and the water outlet cavity in the height direction, a filter element is arranged between the front end mounting plate and the rear end mounting plate, the filter elements are uniformly distributed in the circumferential direction of the water inlet cavity, a threaded communication structure is arranged between the rear end mounting plate and the filter element, the circumferential direction of the filter element is communicated with the water inlet cavity, the rear end of the filter element is communicated with the water outlet cavity through the threaded communication structure, mounting holes for inserting the filter elements and water inlet holes for liquid passing through are arranged on the front end mounting plate, a filter screen is arranged on one side of the front end mounting plate, the mounting holes extend along the axial direction to form mounting sleeves, the filter screen is provided with mounting holes for the mounting sleeves to pass through, locking nuts are threadedly connected to the mounting sleeves, the filter screen covers the water inlet holes, and spot welding fixing structures are arranged between the front end mounting plate and the cylinder.

[0006] As preferred, the filter core comprises a front end sealing plug, a middle section filter sleeve and a rear section threaded communication component, the front end sealing plug is connected with the front end of the middle section filter sleeve and seals the front end of the middle section filter sleeve, the rear section threaded communication component is connected with the rear end of the middle section filter sleeve and communicates with the channel, the middle section filter sleeve comprises a channel arranged inside and a filter layer covering the outer circumferential surface.

[0007] By adopting the above technical scheme, the filter layer ensures that the filter core takes in liquid from the circumferential side and discharges fluid from the rear section, and the front end sealing plug prevents fluid from entering the filter core and ensures the flow direction of the fluid in the filter core.

[0008] As preferred, the rear section threaded communication component comprises a communication pipe, an abutment ring and an inner plug pipe, the communication pipe, the abutment ring and the inner plug pipe are concentrically arranged, the communication pipe is arranged on one side of the abutment ring, the inner plug pipe is arranged on the other side of the abutment ring, the inner plug pipe is inserted into the middle section filter sleeve, and the outer side of the communication pipe is provided with external threads.

[0009] By adopting the above technical scheme, the communication pipe plays a role of communication and connection, and the inner plug pipe plays a role of connecting the middle section filter sleeve.

[0010] As preferred, the threaded communication structure comprises internal thread holes and polytetrafluoroethylene gaskets, the internal thread holes are arranged through the rear end mounting plate, the internal thread holes are uniformly distributed on the rear end mounting plate, the internal thread holes are matched with the external threads, the polytetrafluoroethylene gaskets are sleeved on the communication pipe, one side of the polytetrafluoroethylene gaskets abuts against the rear end mounting plate, and the other side of the polytetrafluoroethylene gaskets abuts against the abutment ring.

[0011] By adopting the above technical scheme, the communication pipe is screwed into the internal thread holes, and the polytetrafluoroethylene gaskets are compressed, so that the sealing effect and the supporting effect are improved.

[0012] As preferred, the outer side of the installation cavity is provided with an opening, the cylinder body is provided with a first flange on the side of the opening close to the front end mounting plate, the cylinder body is provided with a second flange on the other side of the opening away from the front end mounting plate, the inner side of the first flange is provided with guide blocks, the guide blocks are uniformly distributed along the axial direction of the cylinder body, the guide blocks are uniformly distributed around the inner side of the first flange, and the circumferential side of the front end mounting plate is provided with guide grooves matched with the guide blocks.

[0013] By adopting the above technical scheme, the guide blocks and the guide grooves are matched, so that the pre-positioning and installation of the front end mounting plate are facilitated.

[0014] As preferred, the spot welding fixing structure comprises a welding area arranged between the guide groove and the guide block, and the welding area extends to the contact position of the front end mounting plate and the inner wall of the cylinder body.

[0015] By adopting the technical scheme, the front end mounting plate and the inner wall of the cylinder are welded and fixed, and replacement is facilitated.

[0016] Preferably, a stepped welding area is arranged between the cylinder and the position where the first flange is in contact with the cylinder, the stepped welding area is arranged around the circumference of the cylinder, and the stepped welding area protrudes from the inner surface of the cylinder.

[0017] By adopting the technical scheme, the stepped welding area serves to connect the cylinder and the first flange.

[0018] Preferably, the longitudinal cross-sectional shape of the filter screen is circular, a frame is arranged at the edge position of the filter screen, one side of the frame is in abutment with the stepped welding area, and the other side of the frame is in abutment with the front end mounting plate.

[0019] By adopting the technical scheme, the frame cooperates with the stepped welding area to limit the movement of the frame towards the inside of the cylinder.

[0020] Preferably, a stepped ring is arranged on the first flange, the stepped ring is concentrically arranged with the first flange, a stepped groove is arranged on the second flange, the stepped groove is concentrically arranged with the second flange, the stepped ring cooperates with the stepped groove, and a sealing ring is arranged between the stepped groove and the stepped ring in the circumferential direction.

[0021] By adopting the technical scheme, the stepped ring and the stepped groove cooperate to compress the sealing ring, thereby improving the sealing effect.

[0022] Preferably, a cantilever structure is arranged between the second flange and the cylinder, a water inlet pipe is arranged at the top of the cylinder and communicates with the water inlet cavity, a water outlet pipe is arranged at the bottom of the cylinder and communicates with the water outlet cavity, the water outlet pipe is bent towards the horizontal direction, a support is arranged at the bottom of the cylinder, an exhaust pipe is formed by extending upwards at the position of the water outlet cavity at the top of the cylinder, and a waste discharge pipe is formed by extending downwards at the position of the water inlet cavity at the bottom of the cylinder.

[0023] In summary, the rear end of the filter core is locked on the rear end mounting plate through the threaded communication structure, while ensuring the communication of the filter core with the water outlet cavity, the front end of the filter core is supported in the height direction by the front end mounting plate through the mounting sleeve, thereby ensuring the support of the filter core in the cylinder; during filtration, the fluid enters the front end of the cylinder through the water inlet hole on the front end mounting plate, and is subjected to secondary filtration through the filter screen when reciprocating through the water inlet hole; meanwhile, one side of the water inlet cavity is separated and filtered by the filter screen, and the other side of the water inlet cavity is separated by the rear end mounting plate, so that impurities are gathered in the water inlet cavity, and the waste discharge pipe can conveniently discharge the impurities in the water inlet cavity. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a side structure schematic diagram of an embodiment;

[0025] Figure 2 is a partial sectional schematic view of an embodiment;

[0026] Figure 3 is Figure 2 is an enlarged schematic view of A portion shown in the figure;

[0027] Figure 4 is Figure 2 is an enlarged schematic view of B portion shown in the figure;

[0028] Figure 5 is a structural schematic view of a front end mounting plate of an embodiment;

[0029] In the figure, 1, cylinder body; 11, mounting cavity; 12, water inlet cavity; 121, water inlet pipe; 13, water outlet cavity; 131, water outlet pipe; 14, opening; 15, second flange; 16, cantilever structure; 17, support; 18, exhaust pipe; 19, waste discharge pipe; 2, front end mounting plate; 21, mounting hole; 22, mounting sleeve; 23, locking nut; 24, water inlet hole; 25, guide groove; 26, spot welding fixing structure; 3, rear end mounting plate; 31, polytetrafluoroethylene gasket; 32, internally threaded hole; 4, filter element; 41, front section sealing plug; 42, middle section filter sleeve; 43, passage; 44, filter layer; 45, communication pipe; 46, abutment ring; 47, inner joint pipe; 5, filter screen; 51, frame; 61, first flange; 62, guide block; 63, stepped welding area; 64, stepped ring; 65, stepped groove; 66, sealing ring. DETAILED DESCRIPTION

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

[0031] The specific embodiment is only an explanation of the utility model, and it is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is in the right claim range of the utility model, it is protected by the patent law.

[0032] Embodiment:

[0033] As Figures 1 to 5As shown, a horizontal precision filter element filter, including transverse cylinder 1, cylinder 1 in the length direction is respectively installed cavity 11, water inlet cavity 12 and water outlet cavity 13, installed cavity 11 and water inlet cavity 12 between the height direction is provided with front end mounting plate 2, water inlet cavity 12 and water outlet cavity 13 in the height direction is provided with rear end mounting plate 3, in order to facilitate the replacement of filter element 4, the outside of installed cavity 11 is provided with opening 14, cylinder 1 in opening 14 close to the side of front end mounting plate 2 is provided with first flange 61, cylinder 1 in opening 14 away from the other side of front end mounting plate 2 is provided with second flange 15, first flange 61 and second flange 15 between through stud connection fixed, at the same time, first flange 61 is provided with step ring 64, step ring 64 and first flange 61 concentric arrangement, second flange 15 is provided with step groove 65, step groove 65 and second flange 15 concentric arrangement, step ring 64 and step groove 65 cooperation, step groove 65 and step ring 64 between in the circumferential direction is provided with sealing ring 66, second flange 15 and cylinder 1 between the cantilever structure 16 is arranged, through cantilever structure 16 in the horizontal direction can be rotated out of the front end cover, facilitate subsequent maintenance.

[0034] As shown in Figure 1 and Figure 2 , the top of the cylinder 1 is provided with water inlet pipe 121 communicated with water inlet cavity 12, the bottom of the cylinder 1 is provided with water outlet pipe 131 communicated with water outlet cavity 13, water outlet pipe 131 to the horizontal direction bending, the bottom of the cylinder 1 is provided with bracket 17, the top of the cylinder 1 in the water outlet cavity 13 position upwardly extending to form exhaust pipe 18, the bottom of the cylinder 1 in the water inlet cavity 12 position downwardly extending to form waste pipe 19.

[0035] As shown in Figure 2 and Figure 5 , the front end mounting plate 2 and rear end mounting plate 3 between the filter element 4 is arranged, filter element 4 in the circumferential direction of water inlet cavity 12 is evenly distributed, rear end mounting plate 3 and filter element 4 between the threaded communication structure, threaded communication structure plays a role in connecting filter element 4 and rear end mounting plate 3, at the same time, threaded communication structure ensures the rear end of filter element 4 and water outlet cavity 13 communication, that is, the communication of water inlet cavity 12 and water outlet cavity 13, the circumferential direction of filter element 4 through the filter layer 44 and water inlet cavity 12 communication.

[0036] As shown in Figures 2 to 5As shown in the figure, the specific structure of the filter element 4 includes a front sealing plug 41, a middle filter sleeve 42, and a rear threaded communication component. The front sealing plug is connected to the front end of the middle filter sleeve 42 and seals the front end of the middle filter sleeve 42. The rear threaded communication component is connected to the rear end of the middle filter sleeve 42 and communicates with the channel 43. The middle filter sleeve 42 includes an internal channel 43 and a filter layer 44 covering the outer circumferential surface. The filter layer 44 is a filter mesh 5 or a filter membrane. The specific structure of the rear threaded communication component includes a communication pipe 45, an abutting ring 46, and an internal plug-in pipe 47. The communication pipe 45, the abutting ring 46, and the internal plug-in pipe 47 are made of plastic. The communication pipe 45, the abutting ring 46, and the internal plug-in pipe 47 are concentrically arranged. The communication pipe 45 is arranged on one side of the abutting ring 46. The internal plug-in pipe 47 is arranged on the other side of the abutting ring 46. The internal plug-in pipe 47 is inserted into the middle filter sleeve 42. The outer side of the communication pipe 45 is provided with external threads.

[0037] The rear end fixing structure of the filter element 4 is as shown in the figure. Figure 4 The threaded communication structure includes internal threaded holes 32 and polytetrafluoroethylene gaskets 31. The internal threaded holes 32 are arranged on the rear end mounting plate 3. The internal threaded holes 32 are uniformly distributed on the rear end mounting plate 3. The internal threaded holes 32 are matched with external threads. The polytetrafluoroethylene gaskets 31 are sleeved on the communication pipe 45. One side of the polytetrafluoroethylene gasket 31 abuts against the rear end mounting plate. The other side of the polytetrafluoroethylene gasket 31 abuts against the abutting ring 46. By rotating the filter element 4, the abutting ring 46 compresses the polytetrafluoroethylene gasket 31 to achieve the sealing effect.

[0038] As shown in the figure, Figure 3 The connection structure between the first flange 61 and the cylinder 1 is as shown in the figure. A step welding area 63 is arranged between the contact position of the cylinder 1 and the first flange 61. The two are connected by circumferential ring welding, that is, the step welding area 63 is arranged around the circumference of the cylinder 1, and the step welding area 63 protrudes from the inner surface of the cylinder 1, thereby limiting the inward movement of the frame 51 of the filter mesh 5.

[0039] As shown in the figure, Figure 3 and Figure 5 In order to facilitate the fixation between the front end mounting plate 2 and the cylinder 1, the inner side of the first flange 61 is provided with guide blocks 62. The guide blocks 62 are uniformly distributed along the axial direction of the cylinder 1. The guide blocks 62 are uniformly distributed around the inner side of the first flange 61. The circumferential side of the front end mounting plate 2 is provided with guide grooves 25 matched with the guide blocks 62. In the final installation, a spot welding fixing structure 26 is arranged between the front end mounting plate 2 and the cylinder 1. The spot welding fixing structure 26 includes a welding area arranged between the guide grooves 25 and the guide blocks 62. The welding area extends to the contact position of the front end mounting plate 2 and the inner wall of the cylinder 1, thereby achieving the welding fixation between the front end mounting plate 2 and the cylinder 1.

[0040] In order to ensure that the fluid can enter the front end of the cylinder 1, improve the pressure effect of the cylinder 1, the front end mounting plate 2 is provided with a mounting hole 21 for inserting the filter core 4 and a water inlet hole 24 for liquid passing through, and in order to prolong the contact area with the filter core 4, the mounting hole 21 extends along the axial direction to form a mounting sleeve 22, and one side of the front end mounting plate 2 is provided with a filter screen 5.

[0041] As shown in Figure 2 and Figure 3 , the longitudinal section shape of the filter screen 5 is circular, the edge position of the filter screen 5 is welded with a frame 51, and the guide groove 25 can extend into the frame 51, one side of the frame 51 abuts against the step welding area 63, and the other side of the frame 51 abuts against the front end mounting plate 2, in order to improve the fixing effect of the middle part of the filter screen 5, the filter screen 5 is provided with a mounting hole 21 for the mounting sleeve 22 to pass through, the mounting sleeve 22 is threadedly connected with a locking nut 23, and the filter screen 5 covers the water inlet hole 24.

[0042] Working principle:

[0043] In use, the fluid enters the water inlet cavity 12 through the water inlet pipe 121, under the action of pressure, the fluid enters the middle section filter sleeve 42 through the filter layer 44, and the fluid enters the front end of the cylinder 1 through the filter screen 5, after the fluid enters the middle section filter sleeve 42, the fluid enters the water outlet cavity 13 through the communication pipe 45, and then exits the cylinder 1 through the water outlet pipe 131 at the bottom of the cylinder 1; in the process of removing impurities, the impurities are isolated between the front end mounting plate 2, the rear end mounting plate 3 and the middle part of the cylinder 1, and the impurities are discharged by opening the waste pipe 19; in the installation process, the rotating stud opens the first flange 61 and the second flange 15, the whole filter core 4 is rotated by rotating the front section sealing plug 41, the communication pipe 45 is rotated out of the internal thread hole 32, and then the filter core 4 is pulled out of the mounting sleeve 22 for replacement; in the production process, the filter screen 5 is installed on the front end mounting plate 2, the middle part of the filter screen 5 is fixed on the front end mounting plate 2 by the locking nut 23, then the front end mounting plate 2 is abutted on the step welding area 63 through the cooperation of the guide groove 25 and the guide block 62, and finally it is fixed in the cylinder 1 by welding.

Claims

1. A horizontal precision filter cartridge filter comprising a horizontally positioned cylindrical body (1), characterised in that: The cylinder (1) is provided with an installation cavity (11), a water inlet cavity (12) and a water outlet cavity (13) along the length direction, respectively, a front end installation plate (2) is arranged between the installation cavity (11) and the water inlet cavity (12) in the height direction, a rear end installation plate (3) is arranged between the water inlet cavity (12) and the water outlet cavity (13) in the height direction, a filter element (4) is arranged between the front end installation plate (2) and the rear end installation plate (3), the filter element (4) is uniformly distributed in the circumferential direction of the water inlet cavity (12), a threaded communication structure is arranged between the rear end installation plate (3) and the filter element (4), the circumferential direction of the filter element (4) is communicated with the water inlet cavity (12), the rear end of the filter element (4) is communicated with the water outlet cavity (13) through the threaded communication structure, the front end installation plate (2) is provided with an installation hole (21) for inserting the filter element (4) and a water inlet hole (24) for liquid passing, a filter screen (5) is arranged on one side of the front end installation plate (2), the installation hole (21) extends along the axial direction to form an installation sleeve (22), the filter screen (5) is provided with an installation hole (21) for the installation sleeve (22) to pass through, a locking nut (23) is threadedly connected to the installation sleeve (22), the filter screen (5) covers the water inlet hole (24), a spot welding fixing structure (26) is arranged between the front end installation plate (2) and the cylinder (1).

2. The horizontal precision cartridge filter according to claim 1, characterized in that: The filter element (4) comprises a front end sealing plug (41), a middle section filter sleeve (42) and a rear section threaded communication member, the front end sealing plug is connected with the front end of the middle section filter sleeve (42) and seals the front end of the middle section filter sleeve (42), the rear section threaded communication member is connected with the rear end of the middle section filter sleeve (42) and communicated with a channel (43), the middle section filter sleeve (42) comprises the channel (43) arranged inside and a filter layer (44) covering the outer circumferential surface.

3. The horizontal precision cartridge filter of claim 2, wherein: The rear section threaded communication member comprises a communication pipe (45), an abutting ring (46) and an inner plug pipe (47), the communication pipe (45), the abutting ring (46) and the inner plug pipe (47) are concentrically arranged, the communication pipe (45) is arranged on one side of the abutting ring (46), the inner plug pipe (47) is arranged on the other side of the abutting ring (46), the inner plug pipe (47) is inserted into the middle section filter sleeve (42), and an outer thread is arranged on the outer side of the communication pipe (45).

4. The horizontal precision cartridge filter of claim 2, wherein: The threaded communication structure comprises an inner threaded hole (32) and a polytetrafluoroethylene gasket (31), the inner threaded hole (32) is arranged on the rear end installation plate (3) in a penetrating manner, the inner threaded holes (32) are uniformly distributed on the rear end installation plate (3), the inner threaded hole (32) is matched with an outer thread, the polytetrafluoroethylene gasket (31) is sleeved on the communication pipe (45), one side of the polytetrafluoroethylene gasket (31) abuts against the rear end installation plate, and the other side of the polytetrafluoroethylene gasket (31) abuts against the abutting ring (46).

5. The horizontal precision cartridge filter of claim 1, wherein: The outer side of the mounting cavity (11) is provided with an opening (14), the barrel (1) is provided with a first flange (61) on the side of the opening (14) close to the front end mounting plate (2), the barrel (1) is provided with a second flange (15) on the side of the opening (14) away from the front end mounting plate (2), the inner side of the first flange (61) is provided with a guide block (62), the guide block (62) is uniformly distributed along the axial direction of the barrel (1), the guide block (62) is uniformly distributed around the inner side of the first flange (61), and the circumferential side of the front end mounting plate (2) is provided with a guide groove (25) matched with the guide block (62).

6. The horizontal precision cartridge filter of claim 5, wherein: The spot welding fixing structure (26) comprises a welding area arranged between the guide groove (25) and the guide block (62), and the welding area extends to the contact position of the front end mounting plate (2) and the inner wall of the barrel (1).

7. The horizontal precision cartridge filter of claim 6, wherein: The barrel (1) is provided with a step welding area (63) between the contact position of the barrel (1) and the first flange (61), the step welding area (63) is arranged around the circumference of the barrel (1), and the step welding area (63) protrudes from the inner surface of the barrel (1).

8. The horizontal precision cartridge filter of claim 7, wherein: The longitudinal section shape of the filter screen (5) is circular, the edge position of the filter screen (5) is provided with a frame (51), one side of the frame (51) abuts against the step welding area (63), and the other side of the frame (51) abuts against the front end mounting plate (2).

9. The horizontal precision cartridge filter of claim 5, wherein: The first flange (61) is provided with a step ring (64), the step ring (64) is arranged concentrically with the first flange (61), the second flange (15) is provided with a step groove (65), the step groove (65) is arranged concentrically with the second flange (15), the step ring (64) cooperates with the step groove (65), and the sealing ring (66) is arranged in the circumferential direction between the step groove (65) and the step ring (64).

10. The horizontal precision cartridge filter of claim 5, wherein: The second flange (15) and the barrel (1) are provided with a cantilever structure (16), the top of the barrel (1) is provided with a water inlet pipe (121) communicating with the water inlet cavity (12), the bottom of the barrel (1) is provided with a water outlet pipe (131) communicating with the water outlet cavity (13), the water outlet pipe (131) is bent to the horizontal direction, the bottom of the barrel (1) is provided with a support (17), the top of the barrel (1) is upwardly extended at the position of the water outlet cavity (13) to form an exhaust pipe (18), and the bottom of the barrel (1) is downwardly extended at the position of the water inlet cavity (12) to form a waste discharge pipe (19).

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