Filter with replaceable filter screen

Abstract

The utility model relates to the technical field of filters, and discloses a filter with a replaceable filter screen, which comprises a filter mechanism, a fixed block I is connected outside the filter mechanism, a fixed block II is connected outside the fixed block I in a clamping manner, a fixed ring is fixedly connected in the fixed block II, and a dismounting assembly is connected outside the fixed ring. And the dismounting assembly comprises a filter screen and a limiting block, clamping blocks are fixedly connected to the exterior of the filter screen, the two clamping blocks are symmetrically arranged along the filter screen, the limiting block is installed outside the first fixing block, and the limiting block is fixedly connected with the first fixing block. According to the filter with the replaceable filter screen, clamping pins are separated from clamping holes, fixing of limiting columns is relieved, second fixing blocks are taken down, then the filter screen clamped on a fixing ring is taken down, finally, clamping blocks of a new filter screen are clamped with clamping grooves in the fixing ring, and then the limiting columns are clamped with limiting grooves, so that replacement of the filter screen is completed; the filtering cost is reduced, and the filtering effect of the filter is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of filters, in particular to a filter with a replaceable filter screen. Background Art

[0002] The filter is an indispensable device on the pipeline for conveying media. It is usually installed at the inlet end of the pressure reducing valve, pressure relief valve, water level valve, and other equipment of Fanggong filter. The filter consists of a cylinder, a stainless steel filter, a sewage discharge part, a transmission device, and an electrical control part. When used for a long time, the medium may corrode the filter, thereby reducing the filtering effect. Therefore, the filter needs to be replaced, which increases the cost. Utility Model Content

[0003] Technical problem to be solved: The purpose of the utility model is to provide a filter with a replaceable filter screen to solve the problem that the filter screen is inconvenient to replace in the above-mentioned background technology.

[0004] Technical solution: To achieve the above-mentioned purpose, the utility model provides the following technical solution: a filter with a replaceable filter screen, comprising a filter mechanism, the filter mechanism is externally connected with a fixed block 1, and the fixed block 1 is externally snap-connected with a fixed block 2, the fixed block 2 is internally fixedly connected with a fixed ring, and the fixed ring is externally connected with a disassembly component, the disassembly component comprises a filter screen and a limit block, the filter screen is externally fixedly connected with a clamping block, and two clamping blocks are symmetrically arranged along the filter screen, the limit block is installed outside the fixed block 1, and the limit block is fixedly connected to the fixed block 1, a groove is provided in the limit block, and a bayonet is slidably connected in the groove, a baffle is fixedly connected to the bayonet outside, and a reset spring is fixedly connected to one side of the baffle, a limit groove is provided in the fixed block 1, and the limit groove is snap-connected with a limit column, a clamping hole is provided on one side of the limit column, and the clamping hole is snap-connected with the bayonet, the limit column is fixedly connected to the fixed block 2, and four are symmetrically arranged along the center of the fixed block 2.

[0005] Preferably, the filter mechanism comprises a filter body, and a water inlet is provided on one side of the filter body, and a threaded groove is provided outside the water inlet.

[0006] Preferably, a water outlet is provided on the other side of the filter body, and a threaded groove is provided outside the water outlet, and the bottom of the filter body is fixedly connected to a fixing block.

[0007] Preferably, a slide groove is provided in the groove, and an annular guide rail is provided on one side of the slide groove. A slider is slidably connected in the slide groove, and the slider is fixedly connected to the outside of the baffle.

[0008] Preferably, a pin is snap-connected inside the filter, and one end of the pin is rotatably connected to a scraper, the scraper overlaps the surface of the filter, and the scraper is arc-shaped.

[0009] Preferably, a collecting groove is provided inside the second fixing block, and a sealing rubber pad is snap-connected outside the second fixing block.

[0010] Preferably, a handle is rotatably connected to the outside of the filter body, and a partition is fixedly connected under the handle. A sealing ring is snap-connected to the front of the partition, and the sealing ring is in the shape of a semicircular ring. Two sealing rings are symmetrically arranged along the center of the partition. A rotating shaft is rotatably connected under the partition, and the rotating shaft is rotatably connected to the inside of the filter body.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The filter with replaceable filter screen is provided with a filter screen, a block, a limit groove, a limit column, a block hole, a pin, a limit block, a groove, a reset spring and a baffle plate. The baffle plate is driven to move along the slide groove by pulling the pin, and the reset spring is compressed at the same time. When the slider moves to one end of the slide groove, the pin is rotated to drive the slider to move along the annular guide rail, so as to limit the pin and disengage the pin from the block hole, release the fixation of the limit column, remove the second fixed block, and then remove the filter screen engaged on the fixed ring. Finally, the block of the new filter screen is engaged with the block groove in the fixed ring, and the limit column is engaged with the limit groove, so as to complete the replacement of the filter screen, reduce the filtering cost, and ensure the filtering effect of the filter.

[0013] 2. The filter with replaceable filter screen is provided with a tube sheet, a collecting groove and a bayonet. The medium passes through the filter body, so that the water flow collides with the arc surface of the scraper, thereby pushing the scraper to rotate along the center of the bayonet, so that the scraper cleans the surface of the filter screen and collects impurities into the collecting groove, preventing impurities from accumulating on the filter surface, thereby ensuring the use of the filter;

[0014] 3. The filter with replaceable filter screen is provided with a partition, a handle and a sealing ring. The partition is driven to rotate by rotating the handle, so that the partition is engaged with the filter body and the sealing ring is squeezed, thereby isolating the medium in the pipeline and ensuring the replacement of the filter screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the filter screen of the utility model;

[0017] Figure 3 This is a schematic diagram of a cutaway three-dimensional structure of a fixing block of the utility model;

[0018] Figure 4 For this utility model Figure 3 The enlarged structural diagram at A in the middle;

[0019] Figure 5 It is a schematic diagram of the three-dimensional structure of the partition of the utility model.

[0020] In the figure: 1. filter mechanism; 101. filter body; 102. water inlet; 103. water outlet; 2. fixing block 1; 3. fixing block 2; 4. fixing ring; 5. disassembly assembly; 501. filter screen; 502. clamping block; 503. limiting groove; 504. limiting column; 505. clamping hole; 506. clamping pin; 507. limiting block; 508. groove; 509. reset spring; 510. baffle; 6. slide groove; 7. annular guide rail; 8. slider; 9. pin shaft; 10. scraper; 11. collecting tank; 12. sealing rubber pad; 13. handle; 14. partition; 15. sealing ring; 16. rotating shaft. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-Figure 5The utility model provides a technical solution: a filter with a replaceable filter screen, comprising a filter mechanism 1, the filter mechanism 1 is externally connected with a fixed block 2, and the fixed block 2 is externally snap-connected with a fixed block 3, the fixed block 2 is internally fixedly connected with a fixed ring 4, and the fixed ring 4 is externally connected with a disassembly component 5, the disassembly component 5 comprises a filter screen 501 and a limit block 507, the filter screen 501 is externally fixedly connected with a block 502, and two blocks 502 are symmetrically arranged along the filter screen 501, the limit block 507 is installed outside the fixed block 2, and the limit block 507 is fixedly connected to the fixed block 2, a groove 508 is provided in the limit block 507, and a bayonet 506 is slidably connected in the groove 508, a baffle 510 is externally fixedly connected with the bayonet 506, and a return spring 509 is fixedly connected to one side of the baffle 510, the fixed block A limiting groove 503 is provided in the one 2, and the limiting groove 503 is engaged with the limiting column 504, a clamping hole 505 is provided on one side of the limiting column 504, and the clamping hole 505 is engaged with the clamping pin 506, the limiting column 504 is fixedly connected to the fixing block 2 3, and four are symmetrically arranged along the center of the fixing block 2 3, by providing a fixing ring 4 and a clamping block 502, when the clamping block 502 is engaged with the clamping groove in the fixing ring 4, it is convenient to fix the filter screen 501, by providing a clamping hole 505 and a clamping pin 506, when the clamping pin 506 is engaged with the clamping hole 505, the limiting column 504 is fixed, by providing a reset spring 509, when the reset spring 509 maintains the original length, the clamping pin 506 is pushed to engage with the clamping hole 505, and when the reset spring 509 is compressed, the clamping pin 506 is driven to be disengaged from the clamping hole 505.

[0023] The filter mechanism 1 comprises a filter body 101 , and a water inlet 102 is provided on one side of the filter body 101 , and a threaded groove is provided outside the water inlet 102 , so that the filter body 101 is easily installed.

[0024] A water outlet 103 is provided on the other side of the filter body 101 , and a threaded groove is provided outside the water outlet 103 . The bottom of the filter body 101 is fixedly connected to a fixing block 2 .

[0025] A slide groove 6 is provided in the groove 508, and an annular guide rail 7 is provided on one side of the slide groove 6. A slider 8 is slidably connected in the slide groove 6, and the slider 8 is fixedly connected to the outside of the baffle 510. By setting the slide groove 6 and the slider 8, the movement of the slider 8 along the slide groove 6 is ensured. By setting the annular guide rail 7, the latch 506 is rotated to drive the slider 8 to move along the annular guide rail 7, thereby limiting the latch 506.

[0026] A pin shaft 9 is snap-connected inside the filter 501, and one end of the pin shaft 9 is rotatably connected to a scraper 10, the scraper 10 overlaps the surface of the filter 501, and the scraper 10 is arc-shaped. The pin shaft 9 is provided to ensure rotational connection with the filter 501. The scraper 10 is provided to push the scraper 10 to rotate through the medium, so that the scraper 10 cleans the surface of the filter 501.

[0027] A collecting groove 11 is opened in the fixed block 2 3, and a sealing rubber pad 12 is snap-connected to the outside of the fixed block 2 3. By setting the collecting groove 11, it is convenient to collect impurities into the collecting groove 11. By setting the sealing rubber pad 12, the sealing rubber pad 12 is squeezed when the fixed block 1 2 and the fixed block 2 3 are installed, so as to achieve a sealing effect.

[0028] A handle 13 is rotatably connected to the outside of the filter body 101, and a partition 14 is fixedly connected under the handle 13. A sealing ring 15 is snap-fitted to the front of the partition 14, and the sealing ring 15 is in the shape of a semicircular ring. Two sealing rings 15 are symmetrically arranged along the center of the partition 14. A rotating shaft 16 is rotatably connected under the partition 14, and the rotating shaft 16 is rotatably connected to the filter body 101 below. By setting the partition 14, when the partition 14 is snap-fitted to the inside of the filter body 101, it is convenient to isolate the medium inside the filter body 101. By setting the rotating shaft 16, the partition 14 is ensured to be rotatably connected to the inside of the filter body 101.

[0029] Working principle: When using the filter, firstly, the medium passes through the filter body 101, so that the water flow collides with the curved surface of the scraper 10, thereby pushing the scraper 10 to rotate along the center of the latch 506, so that the scraper 10 cleans the surface of the filter 501 and collects impurities into the collecting tank 11, so as to prevent the impurities from accumulating on the surface of the filter 501, thereby ensuring the use of the filter. At the same time, the medium is transported so that the medium passes through the filter 501 for filtration, thereby completing the use of the filter. When replacing the filter 501, firstly, the baffle 14 is driven to rotate by rotating the handle 13, so that the baffle 14 is engaged with the filter body 101, and the sealing ring 15 is squeezed, thereby isolating the medium in the pipeline, thereby ensuring the replacement of the filter 501, and then the baffle 510 is driven to move along the slide groove 6 by pulling the latch 506. , and at the same time, the return spring 509 is compressed. When the slider 8 moves to one end of the slide groove 6, the pin 506 is rotated to drive the slider 8 to move along the annular guide rail 7, thereby limiting the pin 506 and making the pin 506 disengage from the hole 505, thereby releasing the fixation of the limiting column 504. Next, the fixing block 2 3 is removed, and the filter screen 501 engaged on the fixing ring 4 is removed. Finally, the block 502 of the new filter screen 501 is engaged with the groove in the fixing ring 4, and the limiting column 504 is engaged with the limiting groove 503, so that the block 502 is engaged with the groove in the filter body 101, and finally the handle 13 is rotated to release the limit of the pin 506, and the elasticity of the return spring 509 is restored, pushing the pin 506 to engage with the hole 505, thereby completing the replacement of the filter screen 501, reducing the filtering cost, and ensuring the filtering effect of the filter.

[0030] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Simple modifications or equivalent substitutions of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.

Claims

1. A filter with a replaceable filter screen, comprising a filter mechanism (1), characterized in that: The filter mechanism (1) is externally connected to a fixed block 1 (2), and the fixed block 1 (2) is externally snap-connected to a fixed block 2 (3), the fixed block 2 (3) is internally fixedly connected to a fixed ring (4), and the fixed ring (4) is externally connected to a disassembly assembly (5), the disassembly assembly (5) comprising a filter screen (501) and a limit block (507), the filter screen (501) is externally fixedly connected to a clamping block (502), and two clamping blocks (502) are symmetrically arranged along the filter screen (501), the limit block (507) is installed outside the fixed block 1 (2), and the limit block (507) is fixedly connected to the fixed block 1 (2), the limit block (507) ) is provided with a groove (508), and a latch (506) is slidably connected in the groove (508), a baffle (510) is fixedly connected to the outside of the latch (506), and a return spring (509) is fixedly connected to one side of the baffle (510), a limiting groove (503) is provided in the fixed block one (2), and the limiting groove (503) is engaged with the limiting column (504), a locking hole (505) is provided on one side of the limiting column (504), and the locking hole (505) is engaged with the latch (506), the limiting column (504) is fixedly connected to the fixed block two (3), and four limiting columns (504) are symmetrically arranged along the center of the fixed block two (3).

2. A filter with a replaceable filter screen according to claim 1, characterized in that: The filter mechanism (1) comprises a filter body (101), and a water inlet (102) is provided on one side of the filter body (101), and a threaded groove is provided on the outside of the water inlet (102).

3. A filter with a replaceable filter screen according to claim 2, characterized in that: A water outlet (103) is provided on the other side of the filter body (101), and a threaded groove is provided outside the water outlet (103). The bottom of the filter body (101) is fixedly connected to a fixing block 1 (2).

4. The filter with a replaceable filter screen according to claim 1, characterized in that: A slide groove (6) is provided in the groove (508), and an annular guide rail (7) is provided on one side of the slide groove (6). A sliding block (8) is slidably connected in the slide groove (6), and the sliding block (8) is fixedly connected to the outside of the baffle (510).

5. A filter with a replaceable filter screen according to claim 4, characterized in that: A pin shaft (9) is snap-connected inside the filter screen (501), and one end of the pin shaft (9) is rotatably connected to a scraper (10), the scraper (10) overlaps the surface of the filter screen (501), and the scraper (10) is in an arc shape.

6. A filter with a replaceable filter screen according to claim 5, characterized in that: The second fixing block (3) is provided with a collecting groove (11) therein, and the second fixing block (3) is externally snap-connected with a sealing rubber pad (12).

7. The filter with a replaceable filter screen according to claim 2, characterized in that: The filter body (101) is rotatably connected to a handle (13) outside, and a partition (14) is fixedly connected below the handle (13); a sealing ring (15) is snap-fitted and connected to the front of the partition (14); the sealing ring (15) is in the shape of a semicircular ring; two sealing rings (15) are symmetrically arranged along the center of the partition (14); a rotating shaft (16) is rotatably connected below the partition (14), and the rotating shaft (16) is rotatably connected to the inside of the filter body (101) below.

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