Filter with good sealing performance

Abstract

The filter comprises a shell, a placement plate is arranged in the shell, an installation opening is formed in the upper surface of the placement plate, a filter screen is fixedly connected into the installation opening, a notch is formed in one side of the shell, a connecting frame communicated with the notch is fixedly connected to the outer wall of one side of the shell, and a filter screen is fixedly connected to the outer wall of the other side of the shell. Cover plates are arranged on the outer wall of the top and the outer wall of the bottom of the connecting frame, second sealing strips are fixedly connected to the adjacent sides of the two cover plates, and sliding grooves are formed in the top and the bottom of the connecting frame; clamping grooves are formed in the positions, located in the connecting frame, of the top and the bottom of the containing plate. According to the filter, the gap between the placing plate and the shell can be sealed, the phenomenon of leakage after the filter plate is disassembled and reinstalled is avoided, the sealing effect of the filter is improved, the placing plate can be prevented from moving, and the installation stability of the filter screen is improved.

Description

Technical Field

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

[0002] The filter is an indispensable device on the pipeline that conveys the medium. After the water to be treated passes through the filter cartridge of the filter screen, its impurities are blocked, thereby treating the water quality.

[0003] After searching, a Chinese patent with publication number CN218529939U discloses an easily detachable pipe filter, including a filter box and a box cover. The spring's own restoring elastic force can automatically drive the clamping rod to clamp the clamping slot. However, the following defects still exist: after long-term use, the filter plate needs to be disassembled and replaced. However, after the filter plate is disassembled and reinstalled, leakage will occur, resulting in poor sealing. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a filter with good sealing performance.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A filter with good sealing performance comprises a shell, a placement plate is provided in the shell, an installation opening is provided on the upper surface of the placement plate, a filter screen is fixedly connected in the installation opening, a slot is provided on one side of the shell, a connecting frame connected to the slot is fixedly connected to the outer wall of one side of the shell, and the placement plate extends into the connecting frame through the slot, the top outer wall and the bottom outer wall of the connecting frame are both provided with cover plates, the adjacent sides of the two cover plates are both fixedly connected with a second sealing strip, the top and bottom of the connecting frame are both provided with sliding grooves, the top and bottom of the placement plate are both provided with card slots at the positions located in the connecting frame, and the second sealing strip passes through the sliding groove and is inserted into the card slot, the outer walls on both sides of the connecting frame are provided with driving components for driving the two cover plates to move, and the adjacent sides of the two cover plates are provided with limiting components for resisting the placement plates.

[0007] As a further solution of the utility model, the limiting assembly includes two baffles, which are respectively fixedly connected to the adjacent sides of the two cover plates, and both baffles pass through the connecting frame, and the adjacent sides of the two baffles are fixedly connected with a first sealing strip.

[0008] As a further solution of the utility model, the driving assembly includes two gears, and the two gears are rotatably connected to the outer walls on both sides of the connecting frame. Racks are fixedly connected to both sides of the two cover plates, and the racks are meshed with the gears. A locking assembly is provided on one side of the rack to fix the position of the rack, and the outer walls on both sides of the connecting frame are provided with guide assemblies for allowing the cover plates to move vertically.

[0009] As a further solution of the utility model, the locking assembly includes a threaded hole formed on one side of the rack, and a fixing screw is threadedly connected to the threaded hole.

[0010] As a further solution of the utility model, the guide assembly includes multiple fixed blocks, and the multiple fixed blocks are evenly fixedly connected to the outer walls on both sides of the connecting frame. The tops and bottoms of the multiple fixed blocks are fixedly connected with guide rods, and the guide rods pass through the cover plate.

[0011] As a further solution of the utility model, one end of two adjacent guide rods is fixedly connected with a stopper.

[0012] As a further solution of the utility model, flanges are fixedly connected to the top and bottom of the shell.

[0013] As a further solution of the utility model, a sealing ring is fixedly connected to one side of the two flanges.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the setting of the second sealing strip, after the filter screen is installed, the second sealing strip is inserted into the card slot through the slide groove on the connecting frame, so as to seal the gap between the placement plate and the shell, avoiding leakage after the filter plate is disassembled and then reinstalled, thereby improving the sealing effect of the filter.

[0016] 2. Through the setting of the limit component, after the filter is installed, the limit component will resist and limit the placement plate, thereby preventing the placement plate from moving and improving the stability of the filter installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional structural schematic diagram of a filter with good sealing performance proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the enlarged structure of part A of a filter with good sealing performance proposed by the utility model;

[0019] Figure 3 This is a schematic cross-sectional structure diagram of a cover plate of a filter with good sealing performance proposed by the utility model;

[0020] Figure 4 The utility model provides a schematic cross-sectional structure diagram of a filter housing with good sealing performance.

[0021] In the figure: 1. sealing ring; 2. flange; 3. shell; 4. baffle; 5. first sealing strip; 6. connecting frame; 7. cover plate; 8. guide rod; 9. fixing block; 10. fixing screw; 11. rack; 12. baffle; 13. gear; 14. slide groove; 15. second sealing strip; 16. placement plate; 17. slot; 18. notch; 19. filter screen. DETAILED DESCRIPTION

[0022] It should be noted that the terms "first", "second", etc. in the specification and claims of this application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence, so that the embodiments of the application described here, based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of protection of this application.

[0023] Reference Figure 1-Figure 4 A filter with good sealing performance comprises a shell 3, a placement plate 16 is provided in the shell 3, a mounting opening is provided on the upper surface of the placement plate 16, a filter screen 19 is fixed in the mounting opening by bolts, a slot 18 is provided on one side of the shell 3, a connecting frame 6 connected to the slot 18 is fixed on one side outer wall of the shell 3 by bolts, and the placement plate 16 extends into the connecting frame 6 through the slot 18, a cover plate 7 is provided on the top outer wall and the bottom outer wall of the connecting frame 6, a second sealing strip 15 is bonded to the adjacent sides of the two cover plates 7, a slide groove 14 is provided on the top and bottom of the connecting frame 6, a card slot 17 is provided on the top and bottom of the placement plate 16 located in the connecting frame 6, and the second sealing strip 15 passes through the slide groove 14 and is inserted into the card slot 17, and a driving component for driving the two cover plates 7 to move is provided on the outer walls of both sides of the connecting frame 6, and the two cover plates 7 are connected to each other. The adjacent sides are each provided with a limit assembly for resisting the placement plate 16. The two cover plates 7 are driven by the driving assembly to move in opposite directions. The cover plate 7 will drive the second sealing strip 15 to move, so that the second sealing strip 15 is disengaged from the slot 17 on the placement plate 16, and at the same time, the limit assembly will no longer resist the placement plate 16. At this time, the placement plate 16 can be taken out of the shell 3, and the filter screen 19 on the placement plate 16 is replaced. After the filter screen 19 is replaced, the placement plate 16 is re-inserted into the shell 3 through the slot 18, and then the two cover plates 7 are moved toward each other by the driving assembly, so that the second sealing strip 15 is inserted into the slot 17 on the placement plate 16, and the gap between the placement plate 16 and the shell 3 is sealed to avoid leakage after the filter plate is disassembled and reinstalled, thereby improving the sealing effect of the filter.

[0024] In the utility model, the limit assembly includes two baffles 4, the two baffles 4 are respectively welded to the adjacent sides of the two cover plates 7, and the two baffles 4 pass through the connecting frame 6 and contact the placement plate 16, the adjacent sides of the two baffles 4 are bonded with the first sealing strips 5, and the two first sealing strips 5 are in contact, and the two cover plates 7 will drive the two baffles 4 to move in opposite directions during the movement, so that the baffles 4 no longer resist the placement plate 16, and the driving assembly includes two gears 13, and the two gears 13 are rotatably connected to the outer walls on both sides of the connecting frame 6 , racks 11 are fixed on both sides of the two cover plates 7 by bolts, and the racks 11 are meshed with the gears 13. When the gears 13 are rotated, the gears 13 will drive the two meshed racks 11 to move in opposite directions, and the two racks 11 will drive the two cover plates 7 to move in opposite directions. The cover plates 7 will drive the second sealing strip 15 to move, so that the second sealing strip 15 is disengaged from the slot 17 on the placement plate 16. The gears 13 are reversed to make the two racks 11 move toward each other, and the racks 11 will drive the two cover plates 7 to move toward each other, thereby The second sealing strip 15 is inserted into the slot 17 on the placement plate 16. A locking assembly is provided on one side of the rack 11 to fix the position of the rack 11. The outer walls on both sides of the connecting frame 6 are provided with guide assemblies to enable the cover plate 7 to move vertically. The locking assembly includes a threaded hole opened on one side of the rack 11. A fixing screw 10 is threadedly connected in the threaded hole, and the fixing screw 10 is in contact with the connecting frame 6. The fixing screw 10 is rotated to make the fixing screw 10 in close contact with the connecting frame 6 to fix the position of the rack 11, thereby fixing the cover plate 7. The guide assembly includes a plurality of fixing blocks 9, which are evenly welded to the outer walls on both sides of the connecting frame 6. Guide rods 8 are welded to the tops and bottoms of the plurality of fixing blocks 9, and the guide rods 8 pass through the cover plate 7. The cover plate 7 moves vertically along the guide rods 8 during the movement. Stoppers 12 are fixed to one end of two adjacent guide rods 8 by bolts. The stoppers 12 limit the movement distance of the cover plate 7. Flanges 2 are welded to the top and bottom of the shell 3, and sealing rings 1 are bonded to one side of the two flanges 2.

[0025] Working principle: When in use, the gear 13 is rotated, and the gear 13 will drive the two meshing racks 11 to move in opposite directions, and the two racks 11 will drive the two cover plates 7 to move in opposite directions, and the cover plates 7 will drive the second sealing strip 15 to move, so that the second sealing strip 15 is disengaged from the slot 17 on the placement plate 16, and at the same time, the two cover plates 7 will drive the two baffles 4 to move in opposite directions, so that the baffles 4 no longer resist the placement plate 16, and then the placement plate 16 can be taken out of the housing 3, and the filter screen 19 on the placement plate 16 can be replaced. When the replacement of the filter screen 1 is completed, 9, the placement plate 16 is inserted into the housing 3 through the notch 18 again, and then the gear 13 is reversed to make the two racks 11 move toward each other. The racks 11 will drive the two cover plates 7 to move toward each other, so that the second sealing strip 15 is inserted into the slot 17 on the placement plate 16, and the gap between the placement plate 16 and the housing 3 is sealed to avoid leakage after the filter plate is disassembled and then reinstalled, thereby improving the sealing effect of the filter. At the same time, the first sealing strips 5 on the two baffles 4 are in contact, so that the baffle 4 blocks and limits the placement plate 16 to prevent the placement plate 16 from moving.

[0026] The present invention has been described through the above-mentioned embodiments. Those skilled in the art will appreciate that the present invention is not limited to the above-mentioned embodiments, and more modifications may be made according to the teachings of the present invention. These modifications are all within the scope of protection claimed by the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A filter with good sealing performance, comprising a housing (3), characterized in that: A placement plate (16) is provided in the shell (3), a mounting opening is provided on the upper surface of the placement plate (16), a filter screen (19) is fixedly connected in the mounting opening, a notch (18) is provided on one side of the shell (3), a connection frame (6) connected to the notch (18) is fixedly connected to an outer wall of one side of the shell (3), and the placement plate (16) passes through the notch (18) and extends into the connection frame (6), and a cover plate (7) is provided on the top outer wall and the bottom outer wall of the connection frame (6), and the adjacent sides of the two cover plates (7) are A second sealing strip (15) is fixedly connected, the top and bottom of the connection frame (6) are provided with sliding grooves (14), the top and bottom of the placement plate (16) are provided with card slots (17) at positions located inside the connection frame (6), and the second sealing strip (15) passes through the sliding grooves (14) and is inserted into the card slots (17), the outer walls on both sides of the connection frame (6) are provided with driving components for driving the two cover plates (7) to move, and the adjacent sides of the two cover plates (7) are provided with limiting components for resisting the placement plate (16).

2. A filter with good sealing performance according to claim 1, characterized in that: The limiting assembly comprises two baffles (4), the two baffles (4) being fixedly connected to adjacent sides of two cover plates (7), respectively, and the two baffles (4) both pass through the connection frame (6), and the adjacent sides of the two baffles (4) are both fixedly connected to a first sealing strip (5).

3. A filter with good sealing performance according to claim 1, characterized in that: The driving assembly comprises two gears (13), and the two gears (13) are rotatably connected to the outer walls on both sides of the connection frame (6). The two sides of the two cover plates (7) are fixedly connected with racks (11), and the racks (11) are meshed with the gears (13). One side of the rack (11) is provided with a locking assembly for fixing the position of the rack (11), and the outer walls on both sides of the connection frame (6) are provided with guide assemblies for enabling the cover plates (7) to move vertically.

4. A filter with good sealing performance according to claim 3, characterized in that: The locking assembly comprises a threaded hole formed on one side of the rack (11), wherein a fixing screw (10) is threadedly connected in the threaded hole.

5. A filter with good sealing performance according to claim 3, characterized in that: The guide assembly comprises a plurality of fixed blocks (9), the plurality of fixed blocks (9) being evenly fixedly connected to the outer walls on both sides of the connection frame (6), the tops and bottoms of the plurality of fixed blocks (9) being fixedly connected to guide rods (8), and the guide rods (8) passing through the cover plate (7).

6. A filter with good sealing performance according to claim 5, characterized in that: One end of two adjacent guide rods (8) is fixedly connected with a stopper (12).

7. A filter with good sealing performance according to claim 1, characterized in that: The top and bottom of the shell (3) are both fixedly connected with flanges (2).

8. A filter with good sealing performance according to claim 7, characterized in that: A sealing ring (1) is fixedly connected to one side of the two flanges (2).

Images